hedgewars/uCollisions.pas
author alfadur
Mon, 26 Aug 2019 17:32:43 +0300
changeset 15361 277acc9f9fcf
parent 15309 b043b5d5219a
permissions -rw-r--r--
implement addition to/removal from blocks
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *)
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{$INCLUDE "options.inc"}
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unit uCollisions;
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interface
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uses uFloat, uTypes, uUtils;
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const cMaxGearArrayInd = 1023;
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const cMaxGearHitOrderInd = 1023;
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const cMaxGearProximityCacheInd = 1023;
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type PGearArray = ^TGearArray;
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    TGearArray = record
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        ar: array[0..cMaxGearArrayInd] of PGear;
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        cX: array[0..cMaxGearArrayInd] of LongInt;
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        cY: array[0..cMaxGearArrayInd] of LongInt;
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        Count: Longword
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        end;
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type PGearHitOrder = ^TGearHitOrder;
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    TGearHitOrder = record
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        ar: array[0..cMaxGearHitOrderInd] of PGear;
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        order: array[0..cMaxGearHitOrderInd] of LongInt;
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        Count: Longword
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        end;
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type PGearProximityCache = ^TGearProximityCache;
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    TGearProximityCache = record
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        ar: array[0..cMaxGearProximityCacheInd] of PGear;
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        Count: Longword
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        end;
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type TLineCollision = record
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        hasCollision: Boolean;
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        cX, cY: LongInt; //for visual effects only
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        end;
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procedure initModule;
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procedure freeModule;
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procedure AddCI(Gear: PGear);
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procedure DeleteCI(Gear: PGear);
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function  CheckGearsCollision(Gear: PGear): PGearArray;
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function  CheckAllGearsCollision(SourceGear: PGear): PGearArray;
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function  CheckCacheCollision(SourceGear: PGear): PGearArray;
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function  CheckGearsLineCollision(Gear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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function  CheckAllGearsLineCollision(SourceGear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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function  UpdateHitOrder(Gear: PGear; Order: LongInt): boolean;
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procedure ClearHitOrderLeq(MinOrder: LongInt);
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procedure ClearHitOrder();
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procedure RefillProximityCache(SourceGear: PGear; radius: LongInt);
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procedure RemoveFromProximityCache(Gear: PGear);
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procedure ClearProximityCache();
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function  TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionXKick(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionYKick(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionX(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionY(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): Word; inline;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): Word; inline;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word;
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function  TestRectangleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
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function  CheckCoordInWater(X, Y: LongInt): boolean; inline;
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// returns: negative sign if going downhill to left, value is steepness (noslope/error = _0, 45 = _0_5)
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function  CalcSlopeBelowGear(Gear: PGear): hwFloat;
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function  CalcSlopeNearGear(Gear: PGear; dirX, dirY: LongInt): hwFloat;
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function  CalcSlopeTangent(Gear: PGear; collisionX, collisionY: LongInt; var outDeltaX, outDeltaY: LongInt; TestWord: LongWord): boolean;
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function CheckGearsUnderSprite(Sprite: TSprite; sprX, sprY, Frame: LongInt): boolean;
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implementation
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uses uConsts, uLandGraphics, uVariables, SDLh, uLandTexture, uDebug;
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type TCollisionEntry = record
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    X, Y, Radius: LongInt;
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    cGear: PGear;
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    end;
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const MAXRECTSINDEX = 1023;
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var Count: Longword;
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    cinfos: array[0..MAXRECTSINDEX] of TCollisionEntry;
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    ga: TGearArray;
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    ordera: TGearHitOrder;
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    proximitya: TGearProximityCache;
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procedure AddCI(Gear: PGear);
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begin
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if (Gear^.CollisionIndex >= 0) or (Count > MAXRECTSINDEX) or
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    ((Count > MAXRECTSINDEX-200) and ((Gear^.Kind = gtMine) or (Gear^.Kind = gtSMine) or (Gear^.Kind = gtKnife))) then
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    exit;
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with cinfos[Count] do
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    begin
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    X:= hwRound(Gear^.X);
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    Y:= hwRound(Gear^.Y);
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    Radius:= Gear^.Radius;
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    ChangeRoundInLand(X, Y, Radius - 1, true,  ((CurrentHedgehog <> nil) and (Gear = CurrentHedgehog^.Gear)) or ((Gear^.Kind = gtCase) and (Gear^.State and gstFrozen = 0)), Gear^.Kind = gtHedgehog);
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    cGear:= Gear
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    end;
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Gear^.CollisionIndex:= Count;
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inc(Count);
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end;
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procedure DeleteCI(Gear: PGear);
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begin
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if Gear^.CollisionIndex >= 0 then
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    begin
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    with cinfos[Gear^.CollisionIndex] do
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        ChangeRoundInLand(X, Y, Radius - 1, false, ((CurrentHedgehog <> nil) and (Gear = CurrentHedgehog^.Gear)) or ((Gear^.Kind = gtCase) and (Gear^.State and gstFrozen = 0)), Gear^.Kind = gtHedgehog);
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    cinfos[Gear^.CollisionIndex]:= cinfos[Pred(Count)];
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    cinfos[Gear^.CollisionIndex].cGear^.CollisionIndex:= Gear^.CollisionIndex;
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    Gear^.CollisionIndex:= -1;
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    dec(Count)
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   144
    end;
4
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   145
end;
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   146
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56bd029245fc WIP: weSea tweaks, functional and visual
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   147
function CheckCoordInWater(X, Y: LongInt): boolean; inline;
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   148
begin
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   149
    CheckCoordInWater:= (Y > cWaterLine)
14287
6015b74eea55 overall, using LongInt for leftX/rightX results in fewer casts, since most comparisons are against ints.
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        or ((WorldEdge = weSea) and ((X < leftX) or (X > rightX)));
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   151
end;
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   152
53
0e27949850e3 - Fixed bubble theme object
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function CheckGearsCollision(Gear: PGear): PGearArray;
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   154
var mx, my, tr: LongInt;
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    i: Longword;
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begin
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a4ab75470ce1 - Some reformatting
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   157
CheckGearsCollision:= @ga;
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0e27949850e3 - Fixed bubble theme object
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   158
ga.Count:= 0;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
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   159
if Count = 0 then
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   160
    exit;
351
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   161
mx:= hwRound(Gear^.X);
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my:= hwRound(Gear^.Y);
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   163
4705
593ef1ad3cd3 ok. restore old [r + 1 + r] for gear width for a moment, and reset snowballs.
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   164
tr:= Gear^.Radius + 2;
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   165
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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   166
for i:= 0 to Pred(Count) do
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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   167
    with cinfos[i] do
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        if (Gear <> cGear) and
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   169
            (sqr(mx - x) + sqr(my - y) <= sqr(Radius + tr)) then
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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                begin
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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   171
                ga.ar[ga.Count]:= cinfos[i].cGear;
12903
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                ga.cX[ga.Count]:= hwround(Gear^.X);
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                ga.cY[ga.Count]:= hwround(Gear^.Y);
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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                inc(ga.Count)
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
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   175
                end
4
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   176
end;
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   177
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   178
function CheckAllGearsCollision(SourceGear: PGear): PGearArray;
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   179
var mx, my, tr: LongInt;
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    Gear: PGear;
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begin
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    CheckAllGearsCollision:= @ga;
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    ga.Count:= 0;
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   184
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    mx:= hwRound(SourceGear^.X);
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   186
    my:= hwRound(SourceGear^.Y);
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   187
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    tr:= SourceGear^.Radius + 2;
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   189
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    Gear:= GearsList;
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   191
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   192
    while Gear <> nil do
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   193
        begin
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   194
            if (Gear <> SourceGear) and
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   195
               (sqr(mx - hwRound(Gear^.x)) + sqr(my - hwRound(Gear^.y)) <= sqr(Gear^.Radius + tr))then
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   196
            begin
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   197
                ga.ar[ga.Count]:= Gear;
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105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   198
                ga.cX[ga.Count]:= mx;
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   199
                ga.cY[ga.Count]:= my;
12903
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   200
                inc(ga.Count)
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   201
            end;
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   202
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            Gear := Gear^.NextGear
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        end;
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   205
end;
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   206
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   207
function LineCollisionTest(oX, oY, dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   208
        width: LongInt; Gear: PGear):
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   209
    TLineCollision; inline;
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   210
var toCenterX, toCenterY, r,
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   211
    b, bSqr, c, desc, t: hwFloat;
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   212
    realT: extended;
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   213
begin
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   214
    LineCollisionTest.hasCollision:= false;
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   215
    toCenterX:= (oX - Gear^.X);
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   216
    toCenterY:= (oY - Gear^.Y);
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   217
    r:= int2hwFloat(Gear^.Radius + width + 2);
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   218
    // Early cull to avoid multiplying large numbers
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   219
    if hwAbs(toCenterX) + hwAbs(toCenterY) > dirNormBound + r then
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   220
        exit;
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   221
    b:= dirX * toCenterX + dirY * toCenterY;
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   222
    c:= hwSqr(toCenterX) + hwSqr(toCenterY) - hwSqr(r);
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   223
    if (b > _0) and (c > _0) then
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   224
        exit;
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   225
    bSqr:= hwSqr(b);
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   226
    desc:= bSqr - dirNormSqr * c;
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   227
    if desc.isNegative then exit;
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   228
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   229
    t:= -b - hwSqrt(desc);
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   230
    if t.isNegative then t:= _0;
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   231
    if t < dirNormSqr then
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   232
        with LineCollisionTest do
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   233
            begin
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   234
            hasCollision:= true;
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   235
            realT := hwFloat2Float(t) / hwFloat2Float(dirNormSqr);
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   236
            cX:= round(hwFloat2Float(oX) + realT * hwFloat2Float(dirX));
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   237
            cY:= round(hwFloat2Float(oY) + realT * hwFloat2Float(dirY));
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   238
            end;
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   239
end;
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   240
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   241
function CheckGearsLineCollision(Gear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   242
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   243
    test: TLineCollision;
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   244
    i: Longword;
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   245
begin
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   246
    CheckGearsLineCollision:= @ga;
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   247
    ga.Count:= 0;
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   248
    if Count = 0 then
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   249
        exit;
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   250
    dirX:= (tX - oX);
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   251
    dirY:= (tY - oY);
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   252
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   253
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   254
    if dirNormSqr.isNegative then
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   255
        exit;
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   256
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   257
    for i:= 0 to Pred(Count) do
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   258
        with cinfos[i] do if Gear <> cGear then
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   259
            begin
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   260
            test:= LineCollisionTest(
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   261
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, Gear^.Radius, cGear);
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diff changeset
   262
            if test.hasCollision then
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   263
                begin
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   264
                ga.ar[ga.Count] := cGear;
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   265
                ga.cX[ga.Count] := test.cX;
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   266
                ga.cY[ga.Count] := test.cY;
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   267
                inc(ga.Count)
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   268
                end
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   269
            end
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   270
end;
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   271
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   272
function CheckAllGearsLineCollision(SourceGear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   273
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   274
    test: TLineCollision;
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   275
    Gear: PGear;
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   276
begin
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   277
    CheckAllGearsLineCollision:= @ga;
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   278
    ga.Count:= 0;
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   279
    dirX:= (tX - oX);
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   280
    dirY:= (tY - oY);
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   281
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   282
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   283
    if dirNormSqr.isNegative then
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   284
        exit;
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   285
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   286
    Gear:= GearsList;
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   287
    while Gear <> nil do
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   288
    begin
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   289
        if SourceGear <> Gear then
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   290
            begin
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diff changeset
   291
            test:= LineCollisionTest(
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   292
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, SourceGear^.Radius, Gear);
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diff changeset
   293
            if test.hasCollision then
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diff changeset
   294
                begin
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   295
                ga.ar[ga.Count] := Gear;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   296
                ga.cX[ga.Count] := test.cX;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   297
                ga.cY[ga.Count] := test.cY;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   298
                inc(ga.Count)
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   299
                end
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   300
            end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   301
        Gear := Gear^.NextGear
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   302
    end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   303
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   304
14011
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   305
function CheckCacheCollision(SourceGear: PGear): PGearArray;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   306
var mx, my, tr, i: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   307
    Gear: PGear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   308
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   309
    CheckCacheCollision:= @ga;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   310
    ga.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   311
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   312
    mx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   313
    my:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   314
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   315
    tr:= SourceGear^.Radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   316
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   317
    for i:= 0 to proximitya.Count - 1 do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   318
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   319
        Gear:= proximitya.ar[i];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   320
        // Assuming the cache has been filled correctly, it will not contain SourceGear
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   321
        // and other gears won't be far enough for sqr overflow
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   322
        if (sqr(mx - hwRound(Gear^.X)) + sqr(my - hwRound(Gear^.Y)) <= sqr(Gear^.Radius + tr)) then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   323
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   324
            ga.ar[ga.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   325
            ga.cX[ga.Count]:= mx;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   326
            ga.cY[ga.Count]:= my;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   327
            inc(ga.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   328
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   329
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   330
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   331
12903
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   332
function UpdateHitOrder(Gear: PGear; Order: LongInt): boolean;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   333
var i: LongInt;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   334
begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   335
UpdateHitOrder:= true;
13173
0e7eddfbce8a Fix minigun bullets sometimes failing to hit when shooting same thing twice in row
alfadur
parents: 12903
diff changeset
   336
for i:= 0 to ordera.Count - 1 do
12903
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   337
    if ordera.ar[i] = Gear then
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   338
        begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   339
        if Order <= ordera.order[i] then UpdateHitOrder:= false;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   340
        ordera.order[i]:= Max(ordera.order[i], order);
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   341
        exit;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   342
        end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   343
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   344
if ordera.Count > cMaxGearHitOrderInd then
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   345
    UpdateHitOrder:= false
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   346
else
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   347
    begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   348
    ordera.ar[ordera.Count]:= Gear;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   349
    ordera.order[ordera.Count]:= Order;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   350
    Inc(ordera.Count);
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   351
    end
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   352
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   353
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   354
procedure ClearHitOrderLeq(MinOrder: LongInt);
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   355
var i, freeIndex: LongInt;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   356
begin;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   357
freeIndex:= 0;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   358
i:= 0;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   359
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   360
while i < ordera.Count do
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   361
    begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   362
        if ordera.order[i] <= MinOrder then
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   363
            Dec(ordera.Count)
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   364
        else
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   365
            begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   366
                if freeIndex < i then
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   367
                begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   368
                ordera.ar[freeIndex]:= ordera.ar[i];
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   369
                ordera.order[freeIndex]:= ordera.order[i];
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   370
                end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   371
            Inc(freeIndex);
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   372
            end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   373
        Inc(i)
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   374
    end
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   375
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   376
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   377
procedure ClearHitOrder();
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   378
begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   379
    ordera.Count:= 0;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   380
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11594
diff changeset
   381
14011
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   382
procedure RefillProximityCache(SourceGear: PGear; radius: LongInt);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   383
var cx, cy, dx, dy, r: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   384
    Gear: PGear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   385
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   386
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   387
    cx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   388
    cy:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   389
    Gear:= GearsList;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   390
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   391
    while (Gear <> nil) and (proximitya.Count <= cMaxGearProximityCacheInd) do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   392
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   393
        dx:= abs(hwRound(Gear^.X) - cx);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   394
        dy:= abs(hwRound(Gear^.Y) - cy);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   395
        r:= radius + Gear^.radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   396
        if (Gear <> SourceGear) and (max(dx, dy) <= r) and (sqr(dx) + sqr(dy) <= sqr(r)) then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   397
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   398
            proximitya.ar[proximitya.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   399
            inc(proximitya.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   400
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   401
        Gear := Gear^.NextGear
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   402
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   403
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   404
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   405
procedure RemoveFromProximityCache(Gear: PGear);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   406
var i: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   407
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   408
    i := 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   409
    while i < proximitya.Count do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   410
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   411
        if proximitya.ar[i] = Gear then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   412
            begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   413
                proximitya.ar[i]:= proximitya.ar[proximitya.Count - 1];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   414
                dec(proximitya.Count);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   415
            end
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   416
        else
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   417
            inc(i);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   418
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   419
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   420
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   421
procedure ClearProximityCache();
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   422
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   423
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   424
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13469
diff changeset
   425
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   426
function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word;
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 351
diff changeset
   427
var x, y, i: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   428
begin
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   429
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
13468
f1d349a52bc7 Refactor: lfCurrentHog→lfCurHogCrate, lfNotCurrentMask→lfNotCurHogCrate
Wuzzy <Wuzzy2@mail.ru>
parents: 13173
diff changeset
   430
if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   431
    ((hwRound(Gear^.Hedgehog^.Gear^.X) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.X) - Gear^.Radius) or
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   432
     (hwRound(Gear^.Hedgehog^.Gear^.X) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.X) + Gear^.Radius)) then
13469
7b4643ff60ea Refactor collision mask checks, remove hardcoded numbers
Wuzzy <Wuzzy2@mail.ru>
parents: 13468
diff changeset
   433
    Gear^.CollisionMask:= lfAll;
838
1faae19f2116 Remove tailing spaces in some places
unc0rr
parents: 542
diff changeset
   434
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   435
x:= hwRound(Gear^.X);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   436
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   437
    x:= x - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   438
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   439
    x:= x + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   440
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   441
if (x and LAND_WIDTH_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   442
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   443
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   444
    i:= y + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   445
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   446
        if (y and LAND_HEIGHT_MASK) = 0 then
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   447
            if Land[y, x] and Gear^.CollisionMask <> 0 then
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   448
                exit(Land[y, x] and Gear^.CollisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   449
        inc(y)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   450
    until (y > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   451
    end;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   452
TestCollisionXwithGear:= 0
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   453
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   454
6081
537bbd5c1a62 Basic test implementation of an ice flag. Allows for slick parts of terrain. Intended for ice gun, or "ice" mask on portions of land objects.
nemo
parents: 5919
diff changeset
   455
function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   456
var x, y, i: LongInt;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   457
begin
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   458
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
13468
f1d349a52bc7 Refactor: lfCurrentHog→lfCurHogCrate, lfNotCurrentMask→lfNotCurHogCrate
Wuzzy <Wuzzy2@mail.ru>
parents: 13173
diff changeset
   459
if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   460
    ((hwRound(Gear^.Hedgehog^.Gear^.Y) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.Y) - Gear^.Radius) or
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   461
     (hwRound(Gear^.Hedgehog^.Gear^.Y) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.Y) + Gear^.Radius)) then
13469
7b4643ff60ea Refactor collision mask checks, remove hardcoded numbers
Wuzzy <Wuzzy2@mail.ru>
parents: 13468
diff changeset
   462
    Gear^.CollisionMask:= lfAll;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   463
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   464
y:= hwRound(Gear^.Y);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   465
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   466
    y:= y - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   467
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   468
    y:= y + Gear^.Radius;
7268
3a61c53346a8 - Fix cake bug introduced in r2ccfc93c6b5e
unc0rr
parents: 6992
diff changeset
   469
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   470
if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   471
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   472
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   473
    i:= x + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   474
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   475
        if (x and LAND_WIDTH_MASK) = 0 then
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   476
            if Land[y, x] and Gear^.CollisionMask <> 0 then
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   477
                begin
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   478
                exit(Land[y, x] and Gear^.CollisionMask)
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   479
                end;
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   480
        inc(x)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   481
    until (x > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   482
    end;
6081
537bbd5c1a62 Basic test implementation of an ice flag. Allows for slick parts of terrain. Intended for ice gun, or "ice" mask on portions of land objects.
nemo
parents: 5919
diff changeset
   483
TestCollisionYwithGear:= 0
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   484
end;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   485
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   486
function TestCollisionXKick(Gear: PGear; Dir: LongInt): Word;
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
parents: 3603
diff changeset
   487
var x, y, mx, my, i: LongInt;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   488
    pixel: Word;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   489
begin
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   490
pixel:= 0;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   491
x:= hwRound(Gear^.X);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   492
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   493
    x:= x - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   494
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   495
    x:= x + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   496
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   497
if (x and LAND_WIDTH_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   498
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   499
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   500
    i:= y + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   501
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   502
        if (y and LAND_HEIGHT_MASK) = 0 then
11077
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   503
            begin
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   504
            if Land[y, x] and Gear^.CollisionMask <> 0 then
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   505
                begin
14536
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14287
diff changeset
   506
                if ((Land[y, x] and Gear^.CollisionMask) and lfLandMask) <> 0 then
11077
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   507
                    exit(Land[y, x] and Gear^.CollisionMask)
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   508
                else
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   509
                    pixel:= Land[y, x] and Gear^.CollisionMask;
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   510
                end;
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   511
            end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   512
    inc(y)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   513
    until (y > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   514
    end;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   515
TestCollisionXKick:= pixel;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   516
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   517
if pixel <> 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   518
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   519
    if hwAbs(Gear^.dX) < cHHKick then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   520
        exit;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   521
    if (Gear^.State and gstHHJumping <> 0)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   522
    and (hwAbs(Gear^.dX) < _0_4) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   523
        exit;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   524
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   525
    mx:= hwRound(Gear^.X);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   526
    my:= hwRound(Gear^.Y);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   527
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   528
    for i:= 0 to Pred(Count) do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   529
        with cinfos[i] do
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   530
            if  (Gear <> cGear) and
9305
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   531
                ((mx > x) xor (Dir > 0)) and
7756
b89bd0ffb8aa Try to prevent a situation where hogs embedded in other hogs/barrels/cleavers get stuck, by checking for gears overlapping on Y
nemo
parents: 7754
diff changeset
   532
                (
b89bd0ffb8aa Try to prevent a situation where hogs embedded in other hogs/barrels/cleavers get stuck, by checking for gears overlapping on Y
nemo
parents: 7754
diff changeset
   533
                  ((cGear^.Kind in [gtHedgehog, gtMine, gtKnife]) and ((Gear^.State and gstNotKickable) = 0)) or
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   534
                // only apply X kick if the barrel is knocked over
9305
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   535
                  ((cGear^.Kind = gtExplosives) and ((cGear^.State and gsttmpflag) <> 0))
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   536
                ) and
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   537
                (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius + 2)) then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   538
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   539
                    with cGear^ do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   540
                        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   541
                        dX:= Gear^.dX;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   542
                        dY:= Gear^.dY * _0_5;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   543
                        State:= State or gstMoving;
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   544
                        if Kind = gtKnife then State:= State and (not gstCollision);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   545
                        Active:= true
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   546
                        end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   547
                    DeleteCI(cGear);
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   548
                    exit(0);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   549
                    end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   550
    end
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   551
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   552
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   553
function TestCollisionYKick(Gear: PGear; Dir: LongInt): Word;
7756
b89bd0ffb8aa Try to prevent a situation where hogs embedded in other hogs/barrels/cleavers get stuck, by checking for gears overlapping on Y
nemo
parents: 7754
diff changeset
   554
var x, y, mx, my,  myr, i: LongInt;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   555
    pixel: Word;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   556
begin
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   557
pixel:= 0;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   558
y:= hwRound(Gear^.Y);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   559
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   560
    y:= y - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   561
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   562
    y:= y + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   563
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   564
if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   565
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   566
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   567
    i:= x + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   568
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   569
    if (x and LAND_WIDTH_MASK) = 0 then
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   570
        if Land[y, x] > 0 then
11077
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   571
            begin
14536
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14287
diff changeset
   572
            if ((Land[y, x] and Gear^.CollisionMask) and lfLandMask) <> 0 then
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   573
                exit(Land[y, x] and Gear^.CollisionMask)
11077
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   574
            else // if Land[y, x] <> 0 then
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   575
                pixel:= Land[y, x] and Gear^.CollisionMask;
11077
1fb80cd8ba7b small code cleanup
sheepluva
parents: 11046
diff changeset
   576
            end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   577
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   578
    until (x > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   579
    end;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   580
TestCollisionYKick:= pixel;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   581
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   582
if pixel <> 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   583
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   584
    if hwAbs(Gear^.dY) < cHHKick then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   585
        exit;
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   586
    if (Gear^.State and gstHHJumping <> 0) and (not Gear^.dY.isNegative) and (Gear^.dY < _0_4) then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   587
        exit;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   588
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   589
    mx:= hwRound(Gear^.X);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   590
    my:= hwRound(Gear^.Y);
7756
b89bd0ffb8aa Try to prevent a situation where hogs embedded in other hogs/barrels/cleavers get stuck, by checking for gears overlapping on Y
nemo
parents: 7754
diff changeset
   591
    myr:= my+Gear^.Radius;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   592
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   593
    for i:= 0 to Pred(Count) do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   594
        with cinfos[i] do
9305
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   595
            if (Gear <> cGear) and
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   596
               ((myr > y) xor (Dir > 0)) and
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   597
               (Gear^.State and gstNotKickable = 0) and
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   598
               (cGear^.Kind in [gtHedgehog, gtMine, gtKnife, gtExplosives]) and
9305
8e5140875ab5 bug #668 + reorder conditions for kick slightly, to call the math last
nemo
parents: 9291
diff changeset
   599
               (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius + 2)) then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   600
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   601
                    with cGear^ do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   602
                        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   603
                        if (Kind <> gtExplosives) or ((State and gsttmpflag) <> 0) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   604
                            dX:= Gear^.dX * _0_5;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   605
                        dY:= Gear^.dY;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   606
                        State:= State or gstMoving;
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   607
                        if Kind = gtKnife then State:= State and (not gstCollision);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   608
                        Active:= true
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   609
                        end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   610
                    DeleteCI(cGear);
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   611
                    exit(0)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   612
                    end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   613
    end
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   614
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   615
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   616
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): Word; inline;
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   617
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   618
    TestCollisionXwithXYShift:= TestCollisionXwithXYShift(Gear, ShiftX, ShiftY, Dir, true);
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   619
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   620
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   621
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   622
begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   623
Gear^.X:= Gear^.X + ShiftX;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   624
Gear^.Y:= Gear^.Y + int2hwFloat(ShiftY);
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   625
if withGear then
5750
6bbf7aee2cdf Reenable a bunch of old portal play stuff, like dropping grenade into portal on hog, jumping through portal w/ hog on other end, collecting crate w/ portal etc. Also add cooldown to cake/portal interaction. It may still not do what you expect, but it probably shouldn't spin in place.
nemo
parents: 5572
diff changeset
   626
    TestCollisionXwithXYShift:= TestCollisionXwithGear(Gear, Dir)
6bbf7aee2cdf Reenable a bunch of old portal play stuff, like dropping grenade into portal on hog, jumping through portal w/ hog on other end, collecting crate w/ portal etc. Also add cooldown to cake/portal interaction. It may still not do what you expect, but it probably shouldn't spin in place.
nemo
parents: 5572
diff changeset
   627
else TestCollisionXwithXYShift:= TestCollisionX(Gear, Dir);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   628
Gear^.X:= Gear^.X - ShiftX;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   629
Gear^.Y:= Gear^.Y - int2hwFloat(ShiftY)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   630
end;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   631
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   632
function TestCollisionX(Gear: PGear; Dir: LongInt): Word;
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   633
var x, y, i: LongInt;
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   634
begin
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   635
x:= hwRound(Gear^.X);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   636
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   637
    x:= x - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   638
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   639
    x:= x + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   640
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   641
if (x and LAND_WIDTH_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   642
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   643
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   644
    i:= y + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   645
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   646
        if (y and LAND_HEIGHT_MASK) = 0 then
14536
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14287
diff changeset
   647
            if ((Land[y, x] and Gear^.CollisionMask) and lfLandMask) <> 0 then
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   648
                exit(Land[y, x] and Gear^.CollisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   649
    inc(y)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   650
    until (y > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   651
    end;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   652
TestCollisionX:= 0
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   653
end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   654
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   655
function TestCollisionY(Gear: PGear; Dir: LongInt): Word;
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 351
diff changeset
   656
var x, y, i: LongInt;
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   657
begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   658
y:= hwRound(Gear^.Y);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   659
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   660
    y:= y - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   661
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   662
    y:= y + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   663
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   664
if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   665
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   666
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   667
    i:= x + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   668
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   669
        if (x and LAND_WIDTH_MASK) = 0 then
14536
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14287
diff changeset
   670
            if ((Land[y, x] and Gear^.CollisionMask) and lfLandMask) <> 0 then
9731
953197ac43d8 Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
nemo
parents: 9708
diff changeset
   671
                exit(Land[y, x] and Gear^.CollisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   672
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   673
    until (x > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   674
    end;
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   675
TestCollisionY:= 0
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   676
end;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   677
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   678
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): Word; inline;
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   679
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   680
    TestCollisionYwithXYShift:= TestCollisionYwithXYShift(Gear, ShiftX, ShiftY, Dir, true);
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   681
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   682
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   683
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   684
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   685
Gear^.X:= Gear^.X + int2hwFloat(ShiftX);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   686
Gear^.Y:= Gear^.Y + int2hwFloat(ShiftY);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   687
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   688
if withGear then
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   689
  TestCollisionYwithXYShift:= TestCollisionYwithGear(Gear, Dir)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   690
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   691
  TestCollisionYwithXYShift:= TestCollisionY(Gear, Dir);
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   692
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   693
Gear^.X:= Gear^.X - int2hwFloat(ShiftX);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   694
Gear^.Y:= Gear^.Y - int2hwFloat(ShiftY)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   695
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   696
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   697
function TestRectangleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   698
var x, y: LongInt;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   699
    TestWord: LongWord;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   700
begin
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   701
TestRectangleForObstacle:= true;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   702
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   703
if landOnly then
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   704
    TestWord:= 255
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   705
else
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   706
    TestWord:= 0;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   707
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   708
if x1 > x2 then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   709
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   710
    x  := x1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   711
    x1 := x2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   712
    x2 := x;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   713
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   714
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   715
if y1 > y2 then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   716
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   717
    y  := y1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   718
    y1 := y2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   719
    y2 := y;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   720
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   721
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   722
if (hasBorder and ((y1 < 0) or (x1 < 0) or (x2 > LAND_WIDTH))) then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   723
    exit;
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   724
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   725
for y := y1 to y2 do
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   726
    for x := x1 to x2 do
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   727
        if ((y and LAND_HEIGHT_MASK) = 0) and ((x and LAND_WIDTH_MASK) = 0) and (Land[y, x] > TestWord) then
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   728
            exit;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   729
10818
f642a28cab0c Add placement of airmines in engine outside of hog proximity. Has a bug, only protecting 1st team. Also fix a spelling error and rename gstHHChooseTarget to gstChooseTarget
nemo
parents: 10635
diff changeset
   730
TestRectangleForObstacle:= false
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   731
end;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   732
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   733
function CalcSlopeTangent(Gear: PGear; collisionX, collisionY: LongInt; var outDeltaX, outDeltaY: LongInt; TestWord: LongWord): boolean;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   734
var ldx, ldy, rdx, rdy: LongInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   735
    i, j, k, mx, my, li, ri, jfr, jto, tmpo : ShortInt;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   736
    tmpx, tmpy: LongWord;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   737
    dx, dy, s: hwFloat;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   738
    offset: array[0..7,0..1] of ShortInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   739
    isColl: Boolean;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   740
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   741
begin
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   742
    CalcSlopeTangent:= false;
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   743
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   744
    dx:= Gear^.dX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   745
    dy:= Gear^.dY;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   746
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   747
    // we start searching from the direction the gear came from
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   748
    if (dx.QWordValue > _0_995.QWordValue )
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   749
    or (dy.QWordValue > _0_995.QWordValue ) then
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   750
        begin // scale
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   751
        s := _0_995 / Distance(dx,dy);
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   752
        dx := s * dx;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   753
        dy := s * dy;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   754
        end;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   755
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   756
    mx:= hwRound(Gear^.X-dx) - hwRound(Gear^.X);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   757
    my:= hwRound(Gear^.Y-dy) - hwRound(Gear^.Y);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   758
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   759
    li:= -1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   760
    ri:= -1;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   761
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   762
    // go around collision pixel, checking for first/last collisions
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   763
    // this will determinate what angles will be tried to crawl along
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   764
    for i:= 0 to 7 do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   765
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   766
        offset[i,0]:= mx;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   767
        offset[i,1]:= my;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   768
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   769
        // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   770
        for k:= 4 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   771
            begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   772
            tmpx:= collisionX + k * mx;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   773
            tmpy:= collisionY + k * my;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   774
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   775
            if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK) = 0) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   776
                if (Land[tmpy,tmpx] > TestWord) then
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   777
                    begin
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   778
                    // remember the index belonging to the first and last collision (if in 1st half)
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   779
                    if (i <> 0) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   780
                        begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   781
                        if (ri = -1) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   782
                            ri:= i
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   783
                        else
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   784
                            li:= i;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   785
                        end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   786
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   787
            end;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   788
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   789
        if i = 7 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   790
            break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   791
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   792
        // prepare offset for next check (clockwise)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   793
        if (mx = -1) and (my <> -1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   794
            my:= my - 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   795
        else if (my = -1) and (mx <> 1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   796
            mx:= mx + 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   797
        else if (mx = 1) and (my <> 1) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   798
            my:= my + 1
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   799
        else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   800
            mx:= mx - 1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   801
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   802
        end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   803
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   804
    ldx:= collisionX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   805
    ldy:= collisionY;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   806
    rdx:= collisionX;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   807
    rdy:= collisionY;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   808
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   809
    // edge-crawl
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   810
    for i:= 0 to 8 do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   811
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   812
        // using mx,my as temporary value buffer here
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3609
diff changeset
   813
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   814
        jfr:= 8+li+1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   815
        jto:= 8+li-1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   816
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   817
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   818
        for j:= jfr downto jto do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   819
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   820
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   821
            // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   822
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   823
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   824
                tmpx:= ldx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   825
                tmpy:= ldy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   826
                if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK)  = 0)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   827
                and (Land[tmpy,tmpx] > TestWord) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   828
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   829
                    ldx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   830
                    ldy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   831
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   832
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   833
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   834
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   835
            if isColl then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   836
                break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   837
            end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   838
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   839
        jfr:= 8+ri-1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   840
        jto:= 8+ri+1;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   841
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   842
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   843
        for j:= jfr to jto do
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   844
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   845
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   846
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   847
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   848
                tmpx:= rdx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   849
                tmpy:= rdy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   850
                if (((tmpy) and LAND_HEIGHT_MASK) = 0) and (((tmpx) and LAND_WIDTH_MASK)  = 0)
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   851
                and (Land[tmpy,tmpx] > TestWord) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   852
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   853
                    rdx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   854
                    rdy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   855
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   856
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   857
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   858
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   859
            if isColl then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   860
                break;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   861
            end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   862
        end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   863
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   864
    ldx:= rdx - ldx;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   865
    ldy:= rdy - ldy;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   866
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   867
    if ((ldx = 0) and (ldy = 0)) then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   868
        exit;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   869
3414
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   870
outDeltaX:= ldx;
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   871
outDeltaY:= ldy;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   872
CalcSlopeTangent:= true;
3401
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   873
end;
d5d31d16eccc add a part of my landslide vector collision and use if for the portal gun DirAngle, not flawless yet
sheepluva
parents: 3236
diff changeset
   874
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   875
function CalcSlopeNearGear(Gear: PGear; dirX, dirY: LongInt): hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   876
var dx, dy: hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   877
    collX, collY, i, y, x, gx, gy, sdx, sdy: LongInt;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   878
    isColl, bSucc: Boolean;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   879
begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   880
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   881
if dirY <> 0 then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   882
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   883
    y:= hwRound(Gear^.Y) + Gear^.Radius * dirY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   884
    gx:= hwRound(Gear^.X);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   885
    collX := gx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   886
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   887
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   888
    if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   889
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   890
        x:= hwRound(Gear^.X) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   891
        i:= x + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   892
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   893
        if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   894
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   895
                if (not isColl) or (abs(x-gx) < abs(collX-gx)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   896
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   897
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   898
                    collX := x;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   899
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   900
        inc(x)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   901
        until (x > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   902
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   903
    end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   904
else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   905
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   906
    x:= hwRound(Gear^.X) + Gear^.Radius * dirX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   907
    gy:= hwRound(Gear^.Y);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   908
    collY := gy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   909
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   910
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   911
    if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   912
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   913
        y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   914
        i:= y + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   915
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   916
        if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   917
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   918
                if (not isColl) or (abs(y-gy) < abs(collY-gy)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   919
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   920
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   921
                    collY := y;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   922
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   923
        inc(y)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   924
        until (y > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   925
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   926
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   927
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   928
if isColl then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   929
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   930
    // save original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   931
    dx := Gear^.dX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   932
    dy := Gear^.dY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   933
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   934
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   935
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   936
        Gear^.dX.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   937
        Gear^.dX.isNegative:= (collX >= gx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   938
        Gear^.dY:= _1*dirY
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   939
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   940
    else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   941
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   942
        Gear^.dY.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   943
        Gear^.dY.isNegative:= (collY >= gy);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   944
        Gear^.dX:= _1*dirX
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   945
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   946
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   947
    sdx:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   948
    sdy:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   949
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   950
         bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 0)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   951
    else bSucc := CalcSlopeTangent(Gear, x, collY, sdx, sdy, 0);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   952
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   953
    // restore original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   954
    Gear^.dX := dx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   955
    Gear^.dY := dy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   956
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   957
    if bSucc and ((sdx <> 0) or (sdy <> 0)) then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   958
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   959
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   960
        dx.isNegative := (sdx * sdy) < 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   961
        exit (dx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   962
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   963
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   964
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   965
CalcSlopeNearGear := _0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   966
end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   967
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   968
function CalcSlopeBelowGear(Gear: PGear): hwFloat;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   969
var dx, dy: hwFloat;
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   970
    collX, i, y, x, gx, sdx, sdy: LongInt;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   971
    isColl, bSucc: Boolean;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   972
begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   973
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   974
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   975
y:= hwRound(Gear^.Y) + Gear^.Radius;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   976
gx:= hwRound(Gear^.X);
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   977
collX := gx;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   978
isColl:= false;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   979
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   980
if (y and LAND_HEIGHT_MASK) = 0 then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   981
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   982
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   983
    i:= x + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   984
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   985
    if (x and LAND_WIDTH_MASK) = 0 then
14536
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14287
diff changeset
   986
        if (Land[y, x] and lfLandMask) <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   987
            if (not isColl) or (abs(x-gx) < abs(collX-gx)) then
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   988
                begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   989
                isColl:= true;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   990
                collX := x;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   991
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   992
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   993
    until (x > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   994
    end;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   995
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   996
if isColl then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   997
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   998
    // save original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   999
    dx := Gear^.dX;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1000
    dy := Gear^.dY;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1001
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1002
    Gear^.dX.QWordValue:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1003
    Gear^.dX.isNegative:= (collX >= gx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1004
    Gear^.dY:= _1;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1005
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1006
    sdx:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1007
    sdy:= 0;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1008
    bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 255);
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1009
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1010
    // restore original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1011
    Gear^.dX := dx;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1012
    Gear^.dY := dy;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1013
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1014
    if bSucc and (sdx <> 0) and (sdy <> 0) then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1015
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1016
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1017
        dx.isNegative := (sdx * sdy) < 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1018
        exit (dx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1019
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1020
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1021
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1022
CalcSlopeBelowGear := _0;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1023
end;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1024
15306
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1025
function CheckGearsUnderSprite(Sprite: TSprite; sprX, sprY, Frame: LongInt): boolean;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1026
var x, y, bpp, h, w, row, col, gx, gy, r, numFramesFirstCol: LongInt;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1027
    p: PByteArray;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1028
    Image: PSDL_Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1029
    Gear: PGear;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1030
begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1031
    CheckGearsUnderSprite := false;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1032
    if checkFails(SpritesData[Sprite].Surface <> nil, 'Assert SpritesData[Sprite].Surface failed', true) then exit;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1033
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1034
    numFramesFirstCol:= SpritesData[Sprite].imageHeight div SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1035
    Image:= SpritesData[Sprite].Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1036
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1037
    if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1038
        if SDLCheck(SDL_LockSurface(Image) >= 0, 'CheckGearsUnderSprite', true) then exit;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1039
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1040
    bpp:= Image^.format^.BytesPerPixel;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1041
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1042
    if checkFails(bpp = 4, 'It should be 32 bpp sprite', true) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1043
        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1044
        if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1045
            SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1046
        exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1047
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1048
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1049
    w:= SpritesData[Sprite].Width;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1050
    h:= SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1051
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1052
    row:= Frame mod numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1053
    col:= Frame div numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1054
    p:= PByteArray(@(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]));
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1055
    Gear:= GearsList;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1056
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1057
    while Gear <> nil do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1058
        begin
15309
b043b5d5219a fix check for static gears
alfadur
parents: 15308
diff changeset
  1059
        if (Gear^.Kind = gtAirMine) or
b043b5d5219a fix check for static gears
alfadur
parents: 15308
diff changeset
  1060
            ((Gear^.Kind in [gtCase, gtExplosives, gtTarget, gtKnife, gtMine, gtHedgehog, gtSMine]) and (Gear^.CollisionIndex = -1)) then
15306
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1061
            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1062
            gx:= hwRound(Gear^.X);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1063
            gy:= hwRound(Gear^.Y);
15307
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15306
diff changeset
  1064
            r:= Gear^.Radius + 1;
15306
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1065
            if (gx + r >= sprX) and (gx - r < sprX + w) and (gy + r >= sprY) and (gy - r < sprY + h) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1066
                for y := gy - r to gy + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1067
                    for x := gx - r to gx + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1068
                        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1069
                        if (x >= sprX) and (x < sprX + w) and (y >= sprY) and (y < sprY + h)
15307
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15306
diff changeset
  1070
                        and (Sqr(x - gx) + Sqr(y - gy) <= Sqr(r))
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15306
diff changeset
  1071
                        and (((PLongword(@(p^[Image^.pitch * (y - sprY) + (x - sprX) * 4]))^) and AMask) <> 0) then
15306
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1072
                            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1073
                            CheckGearsUnderSprite := true;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1074
                            if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1075
                                SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1076
                            exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1077
                            end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1078
                        end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1079
            end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1080
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1081
        Gear := Gear^.NextGear
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1082
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1083
end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14536
diff changeset
  1084
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1085
procedure initModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1086
begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2716
diff changeset
  1087
    Count:= 0;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1088
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1089
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1090
procedure freeModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1091
begin
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1092
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1093
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1094
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
  1095
end.