hedgewars/uCollisions.pas
author alfadur
Sun, 12 Jul 2020 01:27:27 +0300
changeset 15744 498c1482dec2
parent 15696 f5b127ee3196
child 15929 128ace913837
permissions -rw-r--r--
add collision to land sentries
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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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type TKickTest = record
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        kick: Boolean;
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        collisionMask: Word;
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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; inline;
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function  UpdateHitOrder(Gear: PGear; Order: LongInt; Global: boolean): boolean; inline;
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function  UpdateGlobalHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
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procedure ClearHitOrderLeq(MinOrder: LongInt); inline;
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procedure ClearGlobalHitOrderLeq(MinOrder: LongInt); inline;
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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  TestCollisionXImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
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function  TestCollisionYImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
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function  TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionX(Gear: PGear; Dir: LongInt): Word; inline;
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function  TestCollisionY(Gear: PGear; Dir: LongInt): Word; inline;
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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; inline;
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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; inline;
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function  TestCollisionXKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
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function  TestCollisionYKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
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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  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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    globalordera: 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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8313952b2811 suggestion of mikade's - delete old mines if the collision array shows signs of filling up. This is kind of an edge case, esp now that array is up to 1024, but should prevent (easiest) way to crash by collision array overflow (endless mines/minestrikes).
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inc(Count);
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   147
end;
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   148
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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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c453620cc6d6 Break up the hog/object collision. Currently is $7F, allowing 128 overlapping objects accurately. Breaking it up into 15 for hogs, 7 for other objects. I'm thinking the overall accuracy should be just fine as far as people noticing even with a ton of overlapping hogs, and this way we can tell the difference between a hog and "something else". For experiment and rope-breaking purposes, make rope pass through hogs.
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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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    end;
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end;
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   161
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56bd029245fc WIP: weSea tweaks, functional and visual
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   162
function CheckCoordInWater(X, Y: LongInt): boolean; inline;
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   163
begin
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    CheckCoordInWater:= (Y > cWaterLine)
14303
6015b74eea55 overall, using LongInt for leftX/rightX results in fewer casts, since most comparisons are against ints.
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   165
        or ((WorldEdge = weSea) and ((X < leftX) or (X > rightX)));
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   166
end;
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   167
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function CheckGearsCollision(Gear: PGear): PGearArray;
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var mx, my, tr: LongInt;
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    i: Longword;
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begin
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CheckGearsCollision:= @ga;
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ga.Count:= 0;
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6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
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if Count = 0 then
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   175
    exit;
351
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   176
mx:= hwRound(Gear^.X);
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my:= hwRound(Gear^.Y);
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   178
4705
593ef1ad3cd3 ok. restore old [r + 1 + r] for gear width for a moment, and reset snowballs.
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   179
tr:= Gear^.Radius + 2;
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   180
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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for i:= 0 to Pred(Count) do
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   182
    with cinfos[i] 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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   183
        if (Gear <> cGear) and
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bc63ed514b70 Minor fire tweak for readability and lethalness, remove exit condition that was hanging game (identified by jaylittle)
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   184
            (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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   185
                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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   186
                ga.ar[ga.Count]:= cinfos[i].cGear;
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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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   189
                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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   190
                end
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   191
end;
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   192
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   193
function CheckAllGearsCollision(SourceGear: PGear): PGearArray;
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   194
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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   199
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    mx:= hwRound(SourceGear^.X);
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    my:= hwRound(SourceGear^.Y);
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    tr:= SourceGear^.Radius + 2;
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   204
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    Gear:= GearsList;
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   206
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    while Gear <> nil do
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        begin
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   209
            if (Gear <> SourceGear) and
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               (sqr(mx - hwRound(Gear^.x)) + sqr(my - hwRound(Gear^.y)) <= sqr(Gear^.Radius + tr))then
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   211
            begin
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   212
                ga.ar[ga.Count]:= Gear;
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105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   213
                ga.cX[ga.Count]:= mx;
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                ga.cY[ga.Count]:= my;
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                inc(ga.Count)
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   216
            end;
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   217
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            Gear := Gear^.NextGear
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        end;
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end;
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   221
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   222
function LineCollisionTest(oX, oY, dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   223
        width: LongInt; Gear: PGear):
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   224
    TLineCollision; inline;
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   225
var toCenterX, toCenterY, r,
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   226
    b, bSqr, c, desc, t: hwFloat;
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   227
    realT: extended;
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   228
begin
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   229
    LineCollisionTest.hasCollision:= false;
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   230
    toCenterX:= (oX - Gear^.X);
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   231
    toCenterY:= (oY - Gear^.Y);
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   232
    r:= int2hwFloat(Gear^.Radius + width + 2);
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   233
    // Early cull to avoid multiplying large numbers
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   234
    if hwAbs(toCenterX) + hwAbs(toCenterY) > dirNormBound + r then
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   235
        exit;
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   236
    b:= dirX * toCenterX + dirY * toCenterY;
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   237
    c:= hwSqr(toCenterX) + hwSqr(toCenterY) - hwSqr(r);
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   238
    if (b > _0) and (c > _0) then
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   239
        exit;
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   240
    bSqr:= hwSqr(b);
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   241
    desc:= bSqr - dirNormSqr * c;
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   242
    if desc.isNegative then exit;
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   243
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   244
    t:= -b - hwSqrt(desc);
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   245
    if t.isNegative then t:= _0;
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   246
    if t < dirNormSqr then
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   247
        with LineCollisionTest do
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   248
            begin
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   249
            hasCollision:= true;
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   250
            realT := hwFloat2Float(t) / hwFloat2Float(dirNormSqr);
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   251
            cX:= round(hwFloat2Float(oX) + realT * hwFloat2Float(dirX));
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   252
            cY:= round(hwFloat2Float(oY) + realT * hwFloat2Float(dirY));
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   253
            end;
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   254
end;
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   255
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   256
function CheckGearsLineCollision(Gear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   257
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   258
    test: TLineCollision;
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   259
    i: Longword;
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   260
begin
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   261
    CheckGearsLineCollision:= @ga;
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   262
    ga.Count:= 0;
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   263
    if Count = 0 then
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   264
        exit;
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   265
    dirX:= (tX - oX);
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   266
    dirY:= (tY - oY);
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   267
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   268
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   269
    if dirNormSqr.isNegative then
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   270
        exit;
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   271
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   272
    for i:= 0 to Pred(Count) do
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   273
        with cinfos[i] do if Gear <> cGear then
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   274
            begin
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   275
            test:= LineCollisionTest(
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   276
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, Gear^.Radius, cGear);
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   277
            if test.hasCollision then
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   278
                begin
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   279
                ga.ar[ga.Count] := cGear;
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   280
                ga.cX[ga.Count] := test.cX;
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   281
                ga.cY[ga.Count] := test.cY;
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   282
                inc(ga.Count)
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   283
                end
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   284
            end
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   285
end;
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   286
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   287
function CheckAllGearsLineCollision(SourceGear: PGear; oX, oY, tX, tY: hwFloat): PGearArray;
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   288
var dirX, dirY, dirNormSqr, dirNormBound: hwFloat;
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   289
    test: TLineCollision;
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   290
    Gear: PGear;
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   291
begin
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   292
    CheckAllGearsLineCollision:= @ga;
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   293
    ga.Count:= 0;
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   294
    dirX:= (tX - oX);
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   295
    dirY:= (tY - oY);
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   296
    dirNormBound:= _1_5 * (hwAbs(dirX) + hwAbs(dirY));
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   297
    dirNormSqr:= hwSqr(dirX) + hwSqr(dirY);
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   298
    if dirNormSqr.isNegative then
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   299
        exit;
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   300
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   301
    Gear:= GearsList;
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   302
    while Gear <> nil do
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   303
    begin
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   304
        if SourceGear <> Gear then
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   305
            begin
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   306
            test:= LineCollisionTest(
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   307
                oX, oY, dirX, dirY, dirNormSqr, dirNormBound, SourceGear^.Radius, Gear);
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diff changeset
   308
            if test.hasCollision then
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   309
                begin
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   310
                ga.ar[ga.Count] := Gear;
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   311
                ga.cX[ga.Count] := test.cX;
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   312
                ga.cY[ga.Count] := test.cY;
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   313
                inc(ga.Count)
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   314
                end
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   315
            end;
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   316
        Gear := Gear^.NextGear
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   317
    end;
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   318
end;
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diff changeset
   319
14027
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   320
function CheckCacheCollision(SourceGear: PGear): PGearArray;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   321
var mx, my, tr, i: LongInt;
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   322
    Gear: PGear;
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   323
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   324
    CheckCacheCollision:= @ga;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   325
    ga.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   326
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   327
    mx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   328
    my:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   329
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   330
    tr:= SourceGear^.Radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
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diff changeset
   331
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   332
    for i:= 0 to proximitya.Count - 1 do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   333
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   334
        Gear:= proximitya.ar[i];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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parents: 13470
diff changeset
   335
        // Assuming the cache has been filled correctly, it will not contain SourceGear
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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   336
        // and other gears won't be far enough for sqr overflow
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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parents: 13470
diff changeset
   337
        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)
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diff changeset
   338
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   339
            ga.ar[ga.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   340
            ga.cX[ga.Count]:= mx;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   341
            ga.cY[ga.Count]:= my;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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parents: 13470
diff changeset
   342
            inc(ga.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   343
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   344
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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diff changeset
   345
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
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parents: 13470
diff changeset
   346
15677
116307c752f6 add separate hit order for sentries
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diff changeset
   347
function UpdateHitOrderImpl(HitOrder: PGearHitOrder; Gear: PGear; Order: LongInt): boolean;
12898
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   348
var i: LongInt;
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   349
begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   350
    UpdateHitOrderImpl:= true;
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   351
    for i := 0 to HitOrder^.Count - 1 do
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   352
        if HitOrder^.ar[i] = Gear then
12898
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
diff changeset
   353
        begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   354
            if Order <= HitOrder^.order[i] then
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   355
                UpdateHitOrderImpl := false;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   356
            HitOrder^.order[i] := Max(HitOrder^.order[i], Order);
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   357
            exit;
12898
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
diff changeset
   358
        end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   359
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   360
    if HitOrder^.Count > cMaxGearHitOrderInd then
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   361
        UpdateHitOrderImpl := false
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   362
    else
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   363
    begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   364
        HitOrder^.ar[HitOrder^.Count] := Gear;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   365
        HitOrder^.order[HitOrder^.Count] := Order;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   366
        Inc(HitOrder^.Count);
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   367
    end
8a40ce061d94 Machinegun. also tweaked ignore
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parents: 11589
diff changeset
   368
end;
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parents: 11589
diff changeset
   369
15677
116307c752f6 add separate hit order for sentries
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diff changeset
   370
function UpdateHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   371
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   372
    UpdateHitOrder := UpdateHitOrderImpl(@ordera, Gear, Order);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   373
end;
116307c752f6 add separate hit order for sentries
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parents: 15668
diff changeset
   374
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c34cad72cd85 downgrade sentries to miniguns
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parents: 15677
diff changeset
   375
function UpdateHitOrder(Gear: PGear; Order: LongInt; Global: boolean): boolean; inline;
c34cad72cd85 downgrade sentries to miniguns
alfadur
parents: 15677
diff changeset
   376
begin
c34cad72cd85 downgrade sentries to miniguns
alfadur
parents: 15677
diff changeset
   377
    if Global then
15696
f5b127ee3196 fix hitorder dispatch
alfadur
parents: 15678
diff changeset
   378
        UpdateHitOrder := UpdateHitOrderImpl(@globalordera, Gear, Order)
15678
c34cad72cd85 downgrade sentries to miniguns
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parents: 15677
diff changeset
   379
    else
15696
f5b127ee3196 fix hitorder dispatch
alfadur
parents: 15678
diff changeset
   380
        UpdateHitOrder := UpdateHitOrderImpl(@ordera, Gear, Order)
15678
c34cad72cd85 downgrade sentries to miniguns
alfadur
parents: 15677
diff changeset
   381
end;
c34cad72cd85 downgrade sentries to miniguns
alfadur
parents: 15677
diff changeset
   382
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   383
function UpdateGlobalHitOrder(Gear: PGear; Order: LongInt): boolean; inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   384
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   385
    UpdateGlobalHitOrder := UpdateHitOrderImpl(@globalordera, Gear, Order);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   386
end;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   387
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   388
procedure ClearHitOrderLeqImpl(HitOrder: PGearHitOrder; MinOrder: LongInt);
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   389
var i, freeIndex: LongInt;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   390
begin;
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   391
    freeIndex:= 0;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   392
    i:= 0;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   393
15678
c34cad72cd85 downgrade sentries to miniguns
alfadur
parents: 15677
diff changeset
   394
    while i < HitOrder^.Count do
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   395
    begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   396
        if HitOrder^.order[i] <= MinOrder then
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   397
            Dec(HitOrder^.Count)
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   398
        else
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   399
        begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   400
            if freeIndex < i then
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   401
            begin
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   402
                HitOrder^.ar[freeIndex]:= HitOrder^.ar[i];
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   403
                HitOrder^.order[freeIndex]:= HitOrder^.order[i];
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   404
            end;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   405
            Inc(freeIndex);
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   406
        end;
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   407
        Inc(i)
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   408
    end
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   409
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   410
15677
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   411
procedure ClearHitOrderLeq(MinOrder: LongInt); inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   412
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   413
    ClearHitOrderLeqImpl(@ordera, MinOrder);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   414
end;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   415
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   416
procedure ClearGlobalHitOrderLeq(MinOrder: LongInt); inline;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   417
begin
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   418
    ClearHitOrderLeqImpl(@globalordera, MinOrder);
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   419
end;
116307c752f6 add separate hit order for sentries
alfadur
parents: 15668
diff changeset
   420
12898
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   421
procedure ClearHitOrder();
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   422
begin
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   423
    ordera.Count:= 0;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   424
end;
8a40ce061d94 Machinegun. also tweaked ignore
alfadur
parents: 11589
diff changeset
   425
14027
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   426
procedure RefillProximityCache(SourceGear: PGear; radius: LongInt);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   427
var cx, cy, dx, dy, r: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   428
    Gear: PGear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   429
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   430
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   431
    cx:= hwRound(SourceGear^.X);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   432
    cy:= hwRound(SourceGear^.Y);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   433
    Gear:= GearsList;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   434
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   435
    while (Gear <> nil) and (proximitya.Count <= cMaxGearProximityCacheInd) do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   436
    begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   437
        dx:= abs(hwRound(Gear^.X) - cx);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   438
        dy:= abs(hwRound(Gear^.Y) - cy);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   439
        r:= radius + Gear^.radius + 2;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   440
        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: 13470
diff changeset
   441
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   442
            proximitya.ar[proximitya.Count]:= Gear;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   443
            inc(proximitya.Count)
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   444
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   445
        Gear := Gear^.NextGear
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   446
    end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   447
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   448
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   449
procedure RemoveFromProximityCache(Gear: PGear);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   450
var i: LongInt;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   451
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   452
    i := 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   453
    while i < proximitya.Count do
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   454
        begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   455
        if proximitya.ar[i] = Gear then
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   456
            begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   457
                proximitya.ar[i]:= proximitya.ar[proximitya.Count - 1];
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   458
                dec(proximitya.Count);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   459
            end
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   460
        else
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   461
            inc(i);
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   462
        end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   463
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   464
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   465
procedure ClearProximityCache();
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   466
begin
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   467
    proximitya.Count:= 0;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   468
end;
105793e575d6 make firepunch hit moving gears (airmines are not amused)
alfadur
parents: 13470
diff changeset
   469
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   470
function TestCollisionXImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   471
var x, y, minY, maxY: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   472
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   473
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   474
        x := centerX - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   475
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   476
        x := centerX + radius;
838
1faae19f2116 Remove tailing spaces in some places
unc0rr
parents: 542
diff changeset
   477
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   478
    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
   479
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   480
        minY := max(centerY - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   481
        maxY := min(centerY + radius - 1, LAND_HEIGHT - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   482
        for y := minY to maxY do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   483
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   484
                exit(Land[y, x] and collisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   485
    end;
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   486
    TestCollisionXImpl := 0;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   487
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   488
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   489
function TestCollisionYImpl(centerX, centerY, radius, direction: LongInt; collisionMask: Word): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   490
var x, y, minX, maxX: LongInt;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   491
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   492
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   493
        y := centerY - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   494
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   495
        y := centerY + radius;
7268
3a61c53346a8 - Fix cake bug introduced in r2ccfc93c6b5e
unc0rr
parents: 6992
diff changeset
   496
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   497
    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
   498
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   499
        minX := max(centerX - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   500
        maxX := min(centerX + radius - 1, LAND_WIDTH - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   501
        for x := minX to maxX do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   502
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   503
                exit(Land[y, x] and collisionMask);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   504
    end;
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   505
    TestCollisionYImpl := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   506
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   507
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   508
function TestCollisionX(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   509
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   510
    TestCollisionX := TestCollisionXImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask and lfLandMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   511
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   512
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   513
function TestCollisionY(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   514
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   515
    TestCollisionY := TestCollisionYImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask and lfLandMask);
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   516
end;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   517
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   518
procedure LegacyFixupX(Gear: PGear);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   519
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   520
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   521
    if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   522
    ((hwRound(Gear^.Hedgehog^.Gear^.X) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.X) - Gear^.Radius) or
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   523
    (hwRound(Gear^.Hedgehog^.Gear^.X) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.X) + Gear^.Radius)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   524
        Gear^.CollisionMask:= lfAll;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   525
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   526
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   527
procedure LegacyFixupY(Gear: PGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   528
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   529
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   530
    if (Gear^.CollisionMask = lfNotCurHogCrate) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   531
    ((hwRound(Gear^.Hedgehog^.Gear^.Y) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.Y) - Gear^.Radius) or
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   532
    (hwRound(Gear^.Hedgehog^.Gear^.Y) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.Y) + Gear^.Radius)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   533
        Gear^.CollisionMask:= lfAll;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   534
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   535
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   536
function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   537
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   538
    LegacyFixupX(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   539
    TestCollisionXwithGear:= TestCollisionXImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   540
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   541
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   542
function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word; inline;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   543
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   544
    LegacyFixupY(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   545
    TestCollisionYwithGear:= TestCollisionYImpl(hwRound(Gear^.X), hwRound(Gear^.Y), Gear^.Radius, Dir, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   546
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
   547
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   548
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   549
var collisionMask: Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   550
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   551
    if withGear then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   552
    begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   553
        LegacyFixupX(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   554
        collisionMask:= Gear^.CollisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   555
    end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   556
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   557
        collisionMask:= Gear^.CollisionMask and lfLandMask;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   558
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   559
    TestCollisionXwithXYShift := TestCollisionXImpl(hwRound(Gear^.X + ShiftX), hwRound(Gear^.Y) + ShiftY, Gear^.Radius, Dir, collisionMask)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   560
end;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   561
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   562
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): Word; inline;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   563
var collisionMask: Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   564
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   565
    if withGear then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   566
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   567
        LegacyFixupY(Gear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   568
        collisionMask:= 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
   569
    end
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   570
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   571
        collisionMask:= Gear^.CollisionMask and lfLandMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   572
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   573
    TestCollisionYwithXYShift := TestCollisionYImpl(hwRound(Gear^.X) + ShiftX, hwRound(Gear^.Y) + ShiftY, Gear^.Radius, Dir, collisionMask)
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   574
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   575
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   576
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
   577
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   578
    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
   579
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   580
9706
5178d2263521 return land word from uCollisions to make decisions based on it. Should be handy for trampoline.
nemo
parents: 9305
diff changeset
   581
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
   582
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   583
    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
   584
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   585
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   586
function TestCollisionXKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   587
var x, y, minY, maxY: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   588
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   589
    TestCollisionXKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   590
    TestCollisionXKickImpl.collisionMask := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   591
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   592
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   593
        x := centerX - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   594
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   595
        x := centerX + radius;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   596
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   597
    if (x and LAND_WIDTH_MASK) = 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   598
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   599
        minY := max(centerY - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   600
        maxY := min(centerY + radius - 1, LAND_HEIGHT - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   601
        for y := minY to maxY do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   602
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   603
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   604
                TestCollisionXKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   605
                TestCollisionXKickImpl.collisionMask := Land[y, x] and collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   606
                exit
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   607
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   608
            else if Land[y, x] and kickMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   609
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   610
                TestCollisionXKickImpl.kick := true;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   611
                TestCollisionXKickImpl.collisionMask := Land[y, x] and kickMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   612
            end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   613
    end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   614
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   615
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   616
function TestCollisionYKickImpl(centerX, centerY, radius, direction: LongInt; collisionMask, kickMask: Word): TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   617
var x, y, minX, maxX: LongInt;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   618
begin
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   619
    TestCollisionYKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   620
    TestCollisionYKickImpl.collisionMask := 0;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   621
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   622
    if direction < 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   623
        y := centerY - radius
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   624
    else
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   625
        y := centerY + radius;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   626
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   627
    if (y and LAND_HEIGHT_MASK) = 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   628
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   629
        minX := max(centerX - radius + 1, 0);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   630
        maxX := min(centerX + radius - 1, LAND_WIDTH - 1);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   631
        for x := minX to maxX do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   632
            if Land[y, x] and collisionMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   633
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   634
                TestCollisionYKickImpl.kick := false;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   635
                TestCollisionYKickImpl.collisionMask := Land[y, x] and collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   636
                exit
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   637
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   638
            else if Land[y, x] and kickMask <> 0 then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   639
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   640
                TestCollisionYKickImpl.kick := true;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   641
                TestCollisionYKickImpl.collisionMask := Land[y, x] and kickMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   642
            end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   643
    end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   644
end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   645
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   646
function TestCollisionXKick(Gear: PGear; Dir: LongInt): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   647
var centerX, centerY, i: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   648
    test: TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   649
    info: TCollisionEntry;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   650
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   651
    test := TestCollisionXKickImpl(
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   652
        hwRound(Gear^.X), hwRound(Gear^.Y),
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   653
        Gear^.Radius, Dir,
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   654
        Gear^.CollisionMask and lfLandMask, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   655
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   656
    TestCollisionXKick := test.collisionMask;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   657
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   658
    if test.kick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   659
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   660
        if hwAbs(Gear^.dX) < cHHKick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   661
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   662
        if ((Gear^.State and gstHHJumping) <> 0) and (hwAbs(Gear^.dX) < _0_4) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   663
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   664
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   665
        centerX := hwRound(Gear^.X);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   666
        centerY := hwRound(Gear^.Y);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   667
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   668
        for i:= 0 to Pred(Count) do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   669
        begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   670
            info:= cinfos[i];
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   671
            if (Gear <> info.cGear)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   672
                and ((centerX > info.X) xor (Dir > 0))
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   673
                and ((info.cGear^.State and gstNotKickable) = 0)
15744
498c1482dec2 add collision to land sentries
alfadur
parents: 15696
diff changeset
   674
                and ((info.cGear^.Kind in [gtHedgehog, gtMine, gtKnife, gtSentry])
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   675
                    or (info.cGear^.Kind = gtExplosives) and ((info.cGear^.State and gsttmpflag) <> 0)) // only apply X kick if the barrel is knocked over
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   676
                and (sqr(centerX - info.X) + sqr(centerY - info.Y) <= sqr(info.Radius + Gear^.Radius + 2)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   677
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   678
                with info.cGear^ do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   679
                begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   680
                    dX := Gear^.dX;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   681
                    dY := Gear^.dY * _0_5;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   682
                    State := State or gstMoving;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   683
                    if Kind = gtKnife then State := State and (not gstCollision);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   684
                    Active:= true
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   685
                end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   686
                DeleteCI(info.cGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   687
                exit(0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   688
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   689
        end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   690
    end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   691
end;
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   692
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   693
function TestCollisionYKick(Gear: PGear; Dir: LongInt): Word;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   694
var centerX, centerY, i: LongInt;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   695
    test: TKickTest;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   696
    info: TCollisionEntry;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   697
begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   698
    test := TestCollisionYKickImpl(
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   699
        hwRound(Gear^.X), hwRound(Gear^.Y),
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   700
        Gear^.Radius, Dir,
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   701
        Gear^.CollisionMask and lfLandMask, Gear^.CollisionMask);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   702
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   703
    TestCollisionYKick := test.collisionMask;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   704
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   705
    if test.kick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   706
    begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   707
        if hwAbs(Gear^.dY) < cHHKick then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   708
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   709
        if ((Gear^.State and gstHHJumping) <> 0) and (not Gear^.dY.isNegative) and (Gear^.dY < _0_4) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   710
            exit;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   711
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   712
        centerX := hwRound(Gear^.X);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   713
        centerY := hwRound(Gear^.Y);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   714
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   715
        for i := 0 to Pred(Count) do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   716
        begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   717
            info := cinfos[i];
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   718
            if (Gear <> info.cGear)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   719
                and ((centerY + Gear^.Radius > info.Y) xor (Dir > 0))
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   720
                and (info.cGear^.State and gstNotKickable = 0)
15744
498c1482dec2 add collision to land sentries
alfadur
parents: 15696
diff changeset
   721
                and (info.cGear^.Kind in [gtHedgehog, gtMine, gtKnife, gtExplosives, gtSentry])
15668
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   722
                and (sqr(centerX - info.X) + sqr(centerY - info.Y) <= sqr(info.Radius + Gear^.Radius + 2)) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   723
            begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   724
                with info.cGear^ do
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   725
                begin
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   726
                    if (Kind <> gtExplosives) or ((State and gsttmpflag) <> 0) then
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   727
                        dX := Gear^.dX * _0_5;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   728
                    dY := Gear^.dY;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   729
                    State := State or gstMoving;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   730
                    if Kind = gtKnife then State:= State and (not gstCollision);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   731
                    Active := true
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   732
                end;
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   733
                DeleteCI(info.cGear);
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   734
                exit(0)
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   735
            end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   736
        end
c2a1a34d1841 refactor collision tests
alfadur
parents: 15653
diff changeset
   737
    end
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   738
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   739
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
   740
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
   741
var x, y: LongInt;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   742
    TestWord: LongWord;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   743
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
   744
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
   745
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   746
if landOnly then
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   747
    TestWord:= 255
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   748
else
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   749
    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
   750
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   751
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
   752
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   753
    x  := x1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   754
    x1 := x2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   755
    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
   756
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   757
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   758
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
   759
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   760
    y  := y1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   761
    y1 := y2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   762
    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
   763
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   764
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   765
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
   766
    exit;
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   767
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   768
for y := y1 to y2 do
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   769
    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
   770
        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
   771
            exit;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   772
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
   773
TestRectangleForObstacle:= false
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   774
end;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   775
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   776
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
   777
var ldx, ldy, rdx, rdy: LongInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   778
    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
   779
    tmpx, tmpy: LongWord;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   780
    dx, dy, s: hwFloat;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   781
    offset: array[0..7,0..1] of ShortInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   782
    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
   783
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
   784
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
   785
    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
   786
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
   787
    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
   788
    dy:= Gear^.dY;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   789
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   790
    // we start searching from the direction the gear came from
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   791
    if (dx.QWordValue > _0_995.QWordValue )
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   792
    or (dy.QWordValue > _0_995.QWordValue ) then
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   793
        begin // scale
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   794
        s := _0_995 / Distance(dx,dy);
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   795
        dx := s * dx;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   796
        dy := s * dy;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   797
        end;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   798
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   799
    mx:= hwRound(Gear^.X-dx) - hwRound(Gear^.X);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   800
    my:= hwRound(Gear^.Y-dy) - hwRound(Gear^.Y);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   801
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   802
    li:= -1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   803
    ri:= -1;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   804
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   805
    // go around collision pixel, checking for first/last collisions
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   806
    // this will determinate what angles will be tried to crawl along
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   807
    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
   808
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   809
        offset[i,0]:= mx;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   810
        offset[i,1]:= my;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   811
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   812
        // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   813
        for k:= 4 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   814
            begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   815
            tmpx:= collisionX + k * mx;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   816
            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
   817
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   818
            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
   819
                if (Land[tmpy,tmpx] > TestWord) then
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   820
                    begin
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   821
                    // 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
   822
                    if (i <> 0) then
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
                        if (ri = -1) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   825
                            ri:= i
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   826
                        else
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   827
                            li:= i;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   828
                        end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   829
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   830
            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
   831
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   832
        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
   833
            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
   834
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   835
        // 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
   836
        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
   837
            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
   838
        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
   839
            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
   840
        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
   841
            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
   842
        else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   843
            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
   844
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
   845
        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
   846
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
   847
    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
   848
    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
   849
    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
   850
    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
   851
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   852
    // edge-crawl
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   853
    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
   854
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   855
        // using mx,my as temporary value buffer here
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3609
diff changeset
   856
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   857
        jfr:= 8+li+1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   858
        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
   859
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   860
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   861
        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
   862
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   863
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   864
            // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   865
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   866
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   867
                tmpx:= ldx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   868
                tmpy:= ldy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   869
                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
   870
                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
   871
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   872
                    ldx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   873
                    ldy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   874
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   875
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   876
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   877
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   878
            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
   879
                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
   880
            end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   881
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   882
        jfr:= 8+ri-1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   883
        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
   884
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   885
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   886
        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
   887
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   888
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   889
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   890
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   891
                tmpx:= rdx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   892
                tmpy:= rdy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   893
                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
   894
                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
   895
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   896
                    rdx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   897
                    rdy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   898
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   899
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   900
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   901
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   902
            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
   903
                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
   904
            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
   905
        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
   906
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
   907
    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
   908
    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
   909
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   910
    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
   911
        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
   912
3414
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   913
outDeltaX:= ldx;
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   914
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
   915
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
   916
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
   917
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   918
function CalcSlopeNearGear(Gear: PGear; dirX, dirY: LongInt): hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   919
var dx, dy: hwFloat;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   920
    collX, collY, i, y, x, gx, gy, sdx, sdy: LongInt;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   921
    isColl, bSucc: Boolean;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   922
begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   923
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9998 9950
diff changeset
   924
if dirY <> 0 then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   925
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   926
    y:= hwRound(Gear^.Y) + Gear^.Radius * dirY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   927
    gx:= hwRound(Gear^.X);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   928
    collX := gx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   929
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   930
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   931
    if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   932
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   933
        x:= hwRound(Gear^.X) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   934
        i:= x + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   935
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   936
        if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   937
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   938
                if (not isColl) or (abs(x-gx) < abs(collX-gx)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   939
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   940
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   941
                    collX := x;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   942
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   943
        inc(x)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   944
        until (x > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   945
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   946
    end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   947
else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   948
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   949
    x:= hwRound(Gear^.X) + Gear^.Radius * dirX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   950
    gy:= hwRound(Gear^.Y);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   951
    collY := gy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   952
    isColl:= false;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   953
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   954
    if (x and LAND_WIDTH_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   955
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   956
        y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   957
        i:= y + Gear^.Radius * 2 - 2;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   958
        repeat
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   959
        if (y and LAND_HEIGHT_MASK) = 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   960
            if Land[y, x] <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
   961
                if (not isColl) or (abs(y-gy) < abs(collY-gy)) then
7754
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   962
                    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   963
                    isColl:= true;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   964
                    collY := y;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   965
                    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   966
        inc(y)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   967
        until (y > i);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   968
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   969
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   970
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   971
if isColl then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   972
    begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   973
    // save original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   974
    dx := Gear^.dX;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   975
    dy := Gear^.dY;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   976
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   977
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   978
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   979
        Gear^.dX.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   980
        Gear^.dX.isNegative:= (collX >= gx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   981
        Gear^.dY:= _1*dirY
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   982
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   983
    else
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   984
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   985
        Gear^.dY.QWordValue:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   986
        Gear^.dY.isNegative:= (collY >= gy);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   987
        Gear^.dX:= _1*dirX
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   988
        end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   989
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   990
    sdx:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   991
    sdy:= 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   992
    if dirY <> 0 then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   993
         bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 0)
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   994
    else bSucc := CalcSlopeTangent(Gear, x, collY, sdx, sdy, 0);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   995
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   996
    // restore original dx/dy
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   997
    Gear^.dX := dx;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   998
    Gear^.dY := dy;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
   999
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1000
    if bSucc and ((sdx <> 0) or (sdy <> 0)) then
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1001
        begin
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1002
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1003
        dx.isNegative := (sdx * sdy) < 0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1004
        exit (dx);
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1005
        end
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1006
    end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1007
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1008
CalcSlopeNearGear := _0;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1009
end;
e81dc9bef8b8 First pass at cleaver.
nemo
parents: 7489
diff changeset
  1010
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1011
function CalcSlopeBelowGear(Gear: PGear): hwFloat;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1012
var dx, dy: hwFloat;
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1013
    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
  1014
    isColl, bSucc: Boolean;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1015
begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1016
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1017
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1018
y:= hwRound(Gear^.Y) + Gear^.Radius;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1019
gx:= hwRound(Gear^.X);
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1020
collX := gx;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1021
isColl:= false;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1022
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1023
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
  1024
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1025
    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
  1026
    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
  1027
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1028
    if (x and LAND_WIDTH_MASK) = 0 then
14552
e0af4ce7d8bc fix incorrect mask set in r7b4643ff60ea - this causes ghost hog collisions and odd hog jumps on overlap with active hog
nemo
parents: 14303
diff changeset
  1029
        if (Land[y, x] and lfLandMask) <> 0 then
7767
d1ea9b3f543e damn nots
nemo
parents: 7756
diff changeset
  1030
            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
  1031
                begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1032
                isColl:= true;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1033
                collX := x;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1034
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1035
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
  1036
    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
  1037
    end;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1038
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1039
if isColl then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1040
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1041
    // save original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1042
    dx := Gear^.dX;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1043
    dy := Gear^.dY;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1044
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1045
    Gear^.dX.QWordValue:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1046
    Gear^.dX.isNegative:= (collX >= gx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1047
    Gear^.dY:= _1;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1048
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1049
    sdx:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1050
    sdy:= 0;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1051
    bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 255);
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1052
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1053
    // restore original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1054
    Gear^.dX := dx;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1055
    Gear^.dY := dy;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1056
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
  1057
    if bSucc and (sdx <> 0) and (sdy <> 0) then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1058
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1059
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1060
        dx.isNegative := (sdx * sdy) < 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1061
        exit (dx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1062
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1063
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1064
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
  1065
CalcSlopeBelowGear := _0;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1066
end;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
  1067
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1068
function CheckGearsUnderSprite(Sprite: TSprite; sprX, sprY, Frame: LongInt): boolean;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1069
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: 14552
diff changeset
  1070
    p: PByteArray;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1071
    Image: PSDL_Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1072
    Gear: PGear;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1073
begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1074
    CheckGearsUnderSprite := false;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1075
    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: 14552
diff changeset
  1076
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1077
    numFramesFirstCol:= SpritesData[Sprite].imageHeight div SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1078
    Image:= SpritesData[Sprite].Surface;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1079
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1080
    if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1081
        if SDLCheck(SDL_LockSurface(Image) >= 0, 'CheckGearsUnderSprite', true) then exit;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1082
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1083
    bpp:= Image^.format^.BytesPerPixel;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1084
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1085
    if checkFails(bpp = 4, 'It should be 32 bpp sprite', true) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1086
        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1087
        if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1088
            SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1089
        exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1090
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1091
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1092
    w:= SpritesData[Sprite].Width;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1093
    h:= SpritesData[Sprite].Height;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1094
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1095
    row:= Frame mod numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1096
    col:= Frame div numFramesFirstCol;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1097
    p:= PByteArray(@(PByteArray(Image^.pixels)^[ Image^.pitch * row * h + col * w * 4 ]));
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1098
    Gear:= GearsList;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1099
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1100
    while Gear <> nil do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1101
        begin
15325
b043b5d5219a fix check for static gears
alfadur
parents: 15324
diff changeset
  1102
        if (Gear^.Kind = gtAirMine) or
b043b5d5219a fix check for static gears
alfadur
parents: 15324
diff changeset
  1103
            ((Gear^.Kind in [gtCase, gtExplosives, gtTarget, gtKnife, gtMine, gtHedgehog, gtSMine]) and (Gear^.CollisionIndex = -1)) then
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1104
            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1105
            gx:= hwRound(Gear^.X);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1106
            gy:= hwRound(Gear^.Y);
15323
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1107
            r:= Gear^.Radius + 1;
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1108
            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: 14552
diff changeset
  1109
                for y := gy - r to gy + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1110
                    for x := gx - r to gx + r do
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1111
                        begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1112
                        if (x >= sprX) and (x < sprX + w) and (y >= sprY) and (y < sprY + h)
15323
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1113
                        and (Sqr(x - gx) + Sqr(y - gy) <= Sqr(r))
9299f43ba0ec disallow placing girders over airmines and moving hogs
alfadur
parents: 15322
diff changeset
  1114
                        and (((PLongword(@(p^[Image^.pitch * (y - sprY) + (x - sprX) * 4]))^) and AMask) <> 0) then
15322
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1115
                            begin
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1116
                            CheckGearsUnderSprite := true;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1117
                            if SDL_MustLock(Image) then
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1118
                                SDL_UnlockSurface(Image);
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1119
                            exit
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1120
                            end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1121
                        end
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1122
            end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1123
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1124
        Gear := Gear^.NextGear
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1125
        end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1126
end;
361e79c6c428 add helper to find if a spite intersects gears
alfadur
parents: 14552
diff changeset
  1127
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1128
procedure initModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1129
begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2716
diff changeset
  1130
    Count:= 0;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1131
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1132
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
  1133
procedure freeModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1134
begin
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1135
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1136
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
  1137
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
  1138
end.