hedgewars/uCollisions.pas
author unc0rr
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Tiny optimization + formatting fix
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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;
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const cMaxGearArrayInd = 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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        Count: Longword
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        end;
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procedure initModule;
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procedure freeModule;
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procedure AddGearCI(Gear: PGear);
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procedure DeleteCI(Gear: PGear);
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function  CheckGearsCollision(Gear: PGear): PGearArray;
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function  TestCollisionXwithGear(Gear: PGear; Dir: LongInt): boolean;
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function  TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word;
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function  TestCollisionXKick(Gear: PGear; Dir: LongInt): boolean;
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function  TestCollisionYKick(Gear: PGear; Dir: LongInt): boolean;
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function  TestCollisionX(Gear: PGear; Dir: LongInt): boolean;
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function  TestCollisionY(Gear: PGear; Dir: LongInt): boolean;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): boolean; inline;
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function  TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): boolean;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): boolean; inline;
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function  TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): boolean;
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function  TestRectancleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
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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  CalcSlopeTangent(Gear: PGear; collisionX, collisionY: LongInt; var outDeltaX, outDeltaY: LongInt; TestWord: LongWord): Boolean;
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implementation
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uses uConsts, uLandGraphics, uVariables, uDebug, uGearsList;
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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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procedure AddGearCI(Gear: PGear);
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var t: PGear;
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begin
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if Gear^.CollisionIndex >= 0 then
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    exit;
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TryDo(Count <= MAXRECTSINDEX, 'Collision rects array overflow', true);
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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, Gear = CurrentHedgehog^.Gear);
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    cGear:= Gear
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    end;
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Gear^.CollisionIndex:= Count;
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inc(Count);
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// mines are the easiest way to overflow collision
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if (Count > (MAXRECTSINDEX-20)) then
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    begin
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    t:= GearsList;
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    while (t <> nil) and (t^.Kind <> gtMine) do 
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        t:= t^.NextGear;
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    if (t <> nil) then
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        DeleteGear(t)
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    end;
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end;
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procedure DeleteCI(Gear: PGear);
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begin
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if Gear^.CollisionIndex >= 0 then
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    begin
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    with cinfos[Gear^.CollisionIndex] do
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        ChangeRoundInLand(X, Y, Radius - 1, false, Gear = CurrentHedgehog^.Gear);
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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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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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if Count = 0 then
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    exit;
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mx:= hwRound(Gear^.X);
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my:= hwRound(Gear^.Y);
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tr:= Gear^.Radius + 2;
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for i:= 0 to Pred(Count) do
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    with cinfos[i] do
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        if (Gear <> cGear) and
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            (sqr(mx - x) + sqr(my - y) <= sqr(Radius + tr)) then
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                begin
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                ga.ar[ga.Count]:= cinfos[i].cGear;
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                inc(ga.Count)
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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                end
4
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   135
end;
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   136
371
731ad6d27bd1 integer -> LongInt
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   137
function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): boolean;
731ad6d27bd1 integer -> LongInt
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   138
var x, y, i: LongInt;
4
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   139
begin
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   140
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
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nemo
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   141
if (Gear^.CollisionMask = $FF7F) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   142
    ((hwRound(Gear^.Hedgehog^.Gear^.X) + Gear^.Hedgehog^.Gear^.Radius + 4 < hwRound(Gear^.X) - Gear^.Radius) or
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nemo
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   143
     (hwRound(Gear^.Hedgehog^.Gear^.X) - Gear^.Hedgehog^.Gear^.Radius - 4 > hwRound(Gear^.X) + Gear^.Radius)) then
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nemo
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   144
    Gear^.CollisionMask:= $FFFF;
838
1faae19f2116 Remove tailing spaces in some places
unc0rr
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diff changeset
   145
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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x:= hwRound(Gear^.X);
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lovelacer
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if Dir < 0 then
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lovelacer
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    x:= x - Gear^.Radius
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   149
else
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    x:= x + Gear^.Radius;
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koda
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koda
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   152
TestCollisionXwithGear:= true;
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
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   153
if (x and LAND_WIDTH_MASK) = 0 then
6580
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lovelacer
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   154
    begin
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lovelacer
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   155
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
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lovelacer
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   156
    i:= y + Gear^.Radius * 2 - 2;
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lovelacer
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   157
    repeat
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lovelacer
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   158
        if (y and LAND_HEIGHT_MASK) = 0 then
7272
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nemo
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   159
            if Land[y, x] and Gear^.CollisionMask <> 0 then
6990
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koda
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   160
                exit;
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lovelacer
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   161
        inc(y)
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lovelacer
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   162
    until (y > i);
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lovelacer
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   163
    end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
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   164
TestCollisionXwithGear:= false
4
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   165
end;
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unc0rr
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diff changeset
   166
6081
537bbd5c1a62 Basic test implementation of an ice flag. Allows for slick parts of terrain. Intended for ice gun, or "ice" mask on portions of land objects.
nemo
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   167
function TestCollisionYwithGear(Gear: PGear; Dir: LongInt): Word;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
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var x, y, i: LongInt;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
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   169
begin
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   170
// Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   171
if (Gear^.CollisionMask = $FF7F) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   172
    ((hwRound(Gear^.Hedgehog^.Gear^.Y) + Gear^.Hedgehog^.Gear^.Radius + 4 < hwRound(Gear^.Y) - Gear^.Radius) or
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nemo
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   173
     (hwRound(Gear^.Hedgehog^.Gear^.Y) - Gear^.Hedgehog^.Gear^.Radius - 4 > hwRound(Gear^.Y) + Gear^.Radius)) then
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   174
    Gear^.CollisionMask:= $FFFF;
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
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diff changeset
   175
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
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   176
y:= hwRound(Gear^.Y);
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lovelacer
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   177
if Dir < 0 then
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lovelacer
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    y:= y - Gear^.Radius
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lovelacer
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   179
else
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lovelacer
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   180
    y:= y + Gear^.Radius;
7268
3a61c53346a8 - Fix cake bug introduced in r2ccfc93c6b5e
unc0rr
parents: 6992
diff changeset
   181
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   182
if (y and LAND_HEIGHT_MASK) = 0 then
6580
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lovelacer
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   183
    begin
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lovelacer
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   184
    x:= hwRound(Gear^.X) - Gear^.Radius + 1;
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lovelacer
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   185
    i:= x + Gear^.Radius * 2 - 2;
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lovelacer
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   186
    repeat
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lovelacer
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diff changeset
   187
        if (x and LAND_WIDTH_MASK) = 0 then
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   188
            if Land[y, x] and Gear^.CollisionMask <> 0 then
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   189
                begin
6990
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koda
parents: 6986
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   190
                TestCollisionYwithGear:= Land[y, x];
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koda
parents: 6986
diff changeset
   191
                exit;
7272
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
parents: 7270
diff changeset
   192
                end;
71df899c4163 Second part of the change. Make collision check use the new mask bit.
nemo
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   193
        inc(x)
6580
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lovelacer
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   194
    until (x > i);
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lovelacer
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diff changeset
   195
    end;
6081
537bbd5c1a62 Basic test implementation of an ice flag. Allows for slick parts of terrain. Intended for ice gun, or "ice" mask on portions of land objects.
nemo
parents: 5919
diff changeset
   196
TestCollisionYwithGear:= 0
505
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   197
end;
fcba7d7aea0d Fix old bug with grenade(bomd, etc..) not colliding with attacking hedgehog
unc0rr
parents: 504
diff changeset
   198
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
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diff changeset
   199
function TestCollisionXKick(Gear: PGear; Dir: LongInt): boolean;
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
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   200
var x, y, mx, my, i: LongInt;
513
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unc0rr
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diff changeset
   201
    flag: boolean;
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unc0rr
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diff changeset
   202
begin
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unc0rr
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diff changeset
   203
flag:= false;
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unc0rr
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diff changeset
   204
x:= hwRound(Gear^.X);
6580
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lovelacer
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diff changeset
   205
if Dir < 0 then
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lovelacer
parents: 6543
diff changeset
   206
    x:= x - Gear^.Radius
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lovelacer
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diff changeset
   207
else
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lovelacer
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diff changeset
   208
    x:= x + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   209
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
   210
TestCollisionXKick:= true;
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   211
if (x and LAND_WIDTH_MASK) = 0 then
6580
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lovelacer
parents: 6543
diff changeset
   212
    begin
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lovelacer
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diff changeset
   213
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
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lovelacer
parents: 6543
diff changeset
   214
    i:= y + Gear^.Radius * 2 - 2;
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lovelacer
parents: 6543
diff changeset
   215
    repeat
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lovelacer
parents: 6543
diff changeset
   216
        if (y and LAND_HEIGHT_MASK) = 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   217
            if Land[y, x] > 255 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
   218
                exit
6580
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lovelacer
parents: 6543
diff changeset
   219
            else if Land[y, x] <> 0 then
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lovelacer
parents: 6543
diff changeset
   220
                flag:= true;
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lovelacer
parents: 6543
diff changeset
   221
    inc(y)
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lovelacer
parents: 6543
diff changeset
   222
    until (y > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   223
    end;
538
74219eadab5e - Various small fixes
unc0rr
parents: 536
diff changeset
   224
TestCollisionXKick:= flag;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   225
536
33538aadb4e7 - Fix some stupid bugs in collisions detecting code
unc0rr
parents: 521
diff changeset
   226
if flag then
6580
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lovelacer
parents: 6543
diff changeset
   227
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   228
    if hwAbs(Gear^.dX) < cHHKick then
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lovelacer
parents: 6543
diff changeset
   229
        exit;
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lovelacer
parents: 6543
diff changeset
   230
    if (Gear^.State and gstHHJumping <> 0)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   231
    and (hwAbs(Gear^.dX) < _0_4) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   232
        exit;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   233
6580
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lovelacer
parents: 6543
diff changeset
   234
    mx:= hwRound(Gear^.X);
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lovelacer
parents: 6543
diff changeset
   235
    my:= hwRound(Gear^.Y);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   236
6580
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lovelacer
parents: 6543
diff changeset
   237
    for i:= 0 to Pred(Count) do
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lovelacer
parents: 6543
diff changeset
   238
        with cinfos[i] do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   239
            if (Gear <> cGear) and (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius + 2))
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   240
            and ((mx > x) xor (Dir > 0)) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   241
                if ((cGear^.Kind in [gtHedgehog, gtMine]) and ((Gear^.State and gstNotKickable) = 0)) or
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   242
                // only apply X kick if the barrel is knocked over
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lovelacer
parents: 6543
diff changeset
   243
                ((cGear^.Kind = gtExplosives) and ((cGear^.State and gsttmpflag) <> 0)) then
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lovelacer
parents: 6543
diff changeset
   244
                    begin
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lovelacer
parents: 6543
diff changeset
   245
                    with cGear^ do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   246
                        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   247
                        dX:= Gear^.dX;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   248
                        dY:= Gear^.dY * _0_5;
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lovelacer
parents: 6543
diff changeset
   249
                        State:= State or gstMoving;
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lovelacer
parents: 6543
diff changeset
   250
                        Active:= true
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lovelacer
parents: 6543
diff changeset
   251
                        end;
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lovelacer
parents: 6543
diff changeset
   252
                    DeleteCI(cGear);
6990
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koda
parents: 6986
diff changeset
   253
                    TestCollisionXKick:= 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
   254
                    exit;
6580
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lovelacer
parents: 6543
diff changeset
   255
                    end
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lovelacer
parents: 6543
diff changeset
   256
    end
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   257
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   258
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   259
function TestCollisionYKick(Gear: PGear; Dir: LongInt): boolean;
3608
c509bbc779e7 Revert prior attempted optimisation. Gridding the land pays in some situations, but not all. Restricting to an upper bound might help, but overall, seems too fuzzy to be worth it. On one side is increased cost of Add/Delete + extra test on collision check, on the other is skipping the list iteration. Perhaps for large lists.
nemo
parents: 3603
diff changeset
   260
var x, y, mx, my, i: LongInt;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   261
    flag: boolean;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   262
begin
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   263
flag:= false;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   264
y:= hwRound(Gear^.Y);
6580
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lovelacer
parents: 6543
diff changeset
   265
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   266
    y:= y - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   267
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   268
    y:= y + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   269
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
   270
TestCollisionYKick:= true;
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   271
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
   272
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   273
    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
   274
    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
   275
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   276
    if (x and LAND_WIDTH_MASK) = 0 then
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   277
        if Land[y, x] > 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
   278
            if Land[y, x] > 255 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
   279
                exit
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   280
            else if Land[y, x] <> 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   281
                flag:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   282
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   283
    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
   284
    end;
538
74219eadab5e - Various small fixes
unc0rr
parents: 536
diff changeset
   285
TestCollisionYKick:= flag;
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   286
536
33538aadb4e7 - Fix some stupid bugs in collisions detecting code
unc0rr
parents: 521
diff changeset
   287
if flag then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   288
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   289
    if hwAbs(Gear^.dY) < cHHKick then
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   290
        exit;
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   291
    if (Gear^.State and gstHHJumping <> 0) and (not Gear^.dY.isNegative) and (Gear^.dY < _0_4) then
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   292
        exit;
967
8be3938d73c2 Don't let jumping hedgehog to move others
unc0rr
parents: 906
diff changeset
   293
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   294
    mx:= hwRound(Gear^.X);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   295
    my:= hwRound(Gear^.Y);
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   296
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   297
    for i:= 0 to Pred(Count) do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   298
        with cinfos[i] do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   299
            if (Gear <> cGear) and (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius + 2))
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   300
            and ((my > y) xor (Dir > 0)) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   301
                if (cGear^.Kind in [gtHedgehog, gtMine, gtExplosives]) and ((Gear^.State and gstNotKickable) = 0) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   302
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   303
                    with cGear^ do
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   304
                        begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   305
                        if (Kind <> gtExplosives) or ((State and gsttmpflag) <> 0) then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   306
                            dX:= Gear^.dX * _0_5;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   307
                        dY:= Gear^.dY;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   308
                        State:= State or gstMoving;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   309
                        Active:= true
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   310
                        end;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   311
                    DeleteCI(cGear);
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
   312
                    TestCollisionYKick:= 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
   313
                    exit
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   314
                    end
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   315
    end
513
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   316
end;
69e06d710d46 Moving hedgehog could get another hedgehog moving forward
unc0rr
parents: 511
diff changeset
   317
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   318
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt): boolean; inline;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   319
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   320
    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
   321
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   322
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   323
function TestCollisionXwithXYShift(Gear: PGear; ShiftX: hwFloat; ShiftY: LongInt; Dir: LongInt; withGear: boolean): boolean;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   324
begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   325
Gear^.X:= Gear^.X + ShiftX;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   326
Gear^.Y:= Gear^.Y + int2hwFloat(ShiftY);
5750
6bbf7aee2cdf Reenable a bunch of old portal play stuff, like dropping grenade into portal on hog, jumping through portal w/ hog on other end, collecting crate w/ portal etc. Also add cooldown to cake/portal interaction. It may still not do what you expect, but it probably shouldn't spin in place.
nemo
parents: 5572
diff changeset
   327
if withGear then 
6bbf7aee2cdf Reenable a bunch of old portal play stuff, like dropping grenade into portal on hog, jumping through portal w/ hog on other end, collecting crate w/ portal etc. Also add cooldown to cake/portal interaction. It may still not do what you expect, but it probably shouldn't spin in place.
nemo
parents: 5572
diff changeset
   328
    TestCollisionXwithXYShift:= TestCollisionXwithGear(Gear, Dir)
6bbf7aee2cdf Reenable a bunch of old portal play stuff, like dropping grenade into portal on hog, jumping through portal w/ hog on other end, collecting crate w/ portal etc. Also add cooldown to cake/portal interaction. It may still not do what you expect, but it probably shouldn't spin in place.
nemo
parents: 5572
diff changeset
   329
else TestCollisionXwithXYShift:= TestCollisionX(Gear, Dir);
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   330
Gear^.X:= Gear^.X - ShiftX;
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   331
Gear^.Y:= Gear^.Y - int2hwFloat(ShiftY)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   332
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
   333
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   334
function TestCollisionX(Gear: PGear; Dir: LongInt): boolean;
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   335
var x, y, i: LongInt;
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   336
begin
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   337
x:= hwRound(Gear^.X);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   338
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   339
    x:= x - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   340
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   341
    x:= x + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   342
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
   343
TestCollisionX:= true;
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   344
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
   345
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   346
    y:= hwRound(Gear^.Y) - Gear^.Radius + 1;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   347
    i:= y + Gear^.Radius * 2 - 2;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   348
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   349
        if (y and LAND_HEIGHT_MASK) = 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   350
            if Land[y, x] > 255 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
   351
                exit;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   352
    inc(y)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   353
    until (y > i);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   354
    end;
4798
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   355
TestCollisionX:= false
84fb1ff0a1c0 fix sticky rope issue
sheepluva
parents: 4705
diff changeset
   356
end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   357
371
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 351
diff changeset
   358
function TestCollisionY(Gear: PGear; Dir: LongInt): boolean;
731ad6d27bd1 integer -> LongInt
unc0rr
parents: 351
diff changeset
   359
var x, y, i: LongInt;
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   360
begin
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   361
y:= hwRound(Gear^.Y);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   362
if Dir < 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   363
    y:= y - Gear^.Radius
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   364
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   365
    y:= y + Gear^.Radius;
6990
40e5af28d026 change every return value into a more pascal-ish form, using the name of the fucntion (helps the parser and macpas compaitilibity)
koda
parents: 6986
diff changeset
   366
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
   367
TestCollisionY:= true;
1753
2ccba26f1aa4 Apply nemo's world resize patch
unc0rr
parents: 1528
diff changeset
   368
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
   369
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   370
    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
   371
    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
   372
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   373
        if (x and LAND_WIDTH_MASK) = 0 then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   374
            if Land[y, x] > 255 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
   375
                exit;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   376
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   377
    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
   378
    end;
351
29bc9c36ad5f Fixed-point arithmetics in engine.
unc0rr
parents: 183
diff changeset
   379
TestCollisionY:= false
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   380
end;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   381
6986
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   382
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt): boolean; inline;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   383
begin
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   384
    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
   385
end;
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   386
409dd3851309 add support for default pascal mode by removing default arguments value (maybe this also helps the parser)
koda
parents: 6700
diff changeset
   387
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: LongInt; Dir: LongInt; withGear: boolean): boolean;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   388
begin
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   389
Gear^.X:= Gear^.X + int2hwFloat(ShiftX);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   390
Gear^.Y:= Gear^.Y + int2hwFloat(ShiftY);
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   391
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   392
if withGear then
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   393
  TestCollisionYwithXYShift:= TestCollisionYwithGear(Gear, Dir) <> 0
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   394
else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   395
  TestCollisionYwithXYShift:= TestCollisionY(Gear, Dir);
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   396
  
498
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   397
Gear^.X:= Gear^.X - int2hwFloat(ShiftX);
9c8b385dc9a1 - Get rid of operator := to have GPC support
unc0rr
parents: 393
diff changeset
   398
Gear^.Y:= Gear^.Y - int2hwFloat(ShiftY)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   399
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   400
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   401
function TestRectancleForObstacle(x1, y1, x2, y2: LongInt; landOnly: boolean): boolean;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   402
var x, y: LongInt;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   403
    TestWord: LongWord;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   404
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
   405
TestRectancleForObstacle:= true;
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
   406
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   407
if landOnly then
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   408
    TestWord:= 255
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   409
else
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   410
    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
   411
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   412
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
   413
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   414
    x  := x1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   415
    x1 := x2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   416
    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
   417
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   418
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   419
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
   420
begin
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   421
    y  := y1;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   422
    y1 := y2;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   423
    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
   424
end;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   425
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   426
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
   427
    exit;
5919
f737843dd331 TestRectForObstacle: areas outside map borders are not passable
sheepluva
parents: 5896
diff changeset
   428
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   429
for y := y1 to y2 do
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   430
    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
   431
        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
   432
            exit;
5896
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   433
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   434
TestRectancleForObstacle:= false
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   435
end;
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   436
9ce1cf4e5a32 lua: boolean TestRectForObstacle(x1, y1, x2, y2, landOnly)
sheepluva
parents: 5834
diff changeset
   437
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
   438
var ldx, ldy, rdx, rdy: LongInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   439
    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
   440
    tmpx, tmpy: LongWord;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   441
    dx, dy, s: hwFloat;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   442
    offset: array[0..7,0..1] of ShortInt;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   443
    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
   444
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
   445
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
   446
    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
   447
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
   448
    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
   449
    dy:= Gear^.dY;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   450
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   451
    // we start searching from the direction the gear came from
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   452
    if (dx.QWordValue > _0_995.QWordValue )
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   453
    or (dy.QWordValue > _0_995.QWordValue ) then
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   454
        begin // scale
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   455
        s := _0_995 / Distance(dx,dy);
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   456
        dx := s * dx;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   457
        dy := s * dy;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   458
        end;
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   459
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   460
    mx:= hwRound(Gear^.X-dx) - hwRound(Gear^.X);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   461
    my:= hwRound(Gear^.Y-dy) - hwRound(Gear^.Y);
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   462
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   463
    li:= -1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   464
    ri:= -1;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   465
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   466
    // go around collision pixel, checking for first/last collisions
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   467
    // this will determinate what angles will be tried to crawl along
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   468
    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
   469
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   470
        offset[i,0]:= mx;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   471
        offset[i,1]:= my;
3569
27b0ec683572 portal / slope detection:
sheepluva
parents: 3474
diff changeset
   472
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   473
        // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   474
        for k:= 4 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   475
            begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   476
            tmpx:= collisionX + k * mx;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   477
            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
   478
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   479
            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
   480
                if (Land[tmpy,tmpx] > TestWord) then
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   481
                    begin
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   482
                    // 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
   483
                    if (i <> 0) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   484
                        begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   485
                        if (ri = -1) then
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   486
                            ri:= i
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   487
                        else
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   488
                            li:= i;
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   489
                        end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   490
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   491
            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
   492
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   493
        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
   494
            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
   495
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   496
        // 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
   497
        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
   498
            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
   499
        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
   500
            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
   501
        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
   502
            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
   503
        else
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   504
            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
   505
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
   506
        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
   507
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
   508
    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
   509
    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
   510
    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
   511
    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
   512
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   513
    // edge-crawl
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   514
    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
   515
        begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   516
        // using mx,my as temporary value buffer here
3697
d5b30d6373fc remove trailing spaces from end of line
koda
parents: 3609
diff changeset
   517
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   518
        jfr:= 8+li+1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   519
        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
   520
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   521
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   522
        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
   523
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   524
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   525
            // multiplicator k tries to skip small pixels/gaps when possible
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   526
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   527
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   528
                tmpx:= ldx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   529
                tmpy:= ldy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   530
                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
   531
                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
   532
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   533
                    ldx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   534
                    ldy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   535
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   536
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   537
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   538
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   539
            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
   540
                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
   541
            end;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   542
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   543
        jfr:= 8+ri-1;
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   544
        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
   545
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   546
        isColl:= false;
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   547
        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
   548
            begin
3408
56e636b83cb4 tweak land angle detection/portal a bit
sheepluva
parents: 3407
diff changeset
   549
            tmpo:= j mod 8;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   550
            for k:= 3 downto 1 do
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   551
                begin
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   552
                tmpx:= rdx + k * offset[tmpo,0];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   553
                tmpy:= rdy + k * offset[tmpo,1];
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   554
                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
   555
                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
   556
                    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   557
                    rdx:= tmpx;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   558
                    rdy:= tmpy;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   559
                    isColl:= true;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   560
                    break;
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   561
                    end;
6123
0cb751caf0ac make slope calcs skip small gaps
sheepluva
parents: 6081
diff changeset
   562
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   563
            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
   564
                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
   565
            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
   566
        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
   567
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
   568
    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
   569
    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
   570
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   571
    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
   572
        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
   573
3414
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   574
outDeltaX:= ldx;
b2f3bb44777e some portal changes, warning: no loop prevention yet, note: entry angle not preserved yet
sheepluva
parents: 3411
diff changeset
   575
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
   576
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
   577
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
   578
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   579
function CalcSlopeBelowGear(Gear: PGear): hwFloat;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   580
var dx, dy: hwFloat;
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   581
    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
   582
    isColl, bSucc: Boolean;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   583
begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   584
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   585
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   586
y:= hwRound(Gear^.Y) + Gear^.Radius;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   587
gx:= hwRound(Gear^.X);
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   588
collX := gx;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   589
isColl:= false;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   590
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   591
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
   592
    begin
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   593
    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
   594
    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
   595
    repeat
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   596
    if (x and LAND_WIDTH_MASK) = 0 then
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   597
        if Land[y, x] > 255 then
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   598
            if not isColl or (abs(x-gx) < abs(collX-gx)) then
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   599
                begin
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   600
                isColl:= true;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   601
                collX := x;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   602
                end;
6580
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   603
    inc(x)
6155187bf599 A partial reformatting of the pascal code to have consistent syntax. Things that are still inconsistent.
lovelacer
parents: 6543
diff changeset
   604
    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
   605
    end;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   606
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   607
if isColl then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   608
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   609
    // save original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   610
    dx := Gear^.dX;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   611
    dy := Gear^.dY;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   612
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   613
    Gear^.dX.QWordValue:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   614
    Gear^.dX.isNegative:= (collX >= gx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   615
    Gear^.dY:= _1;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   616
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   617
    sdx:= 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   618
    sdy:= 0;
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   619
    bSucc := CalcSlopeTangent(Gear, collX, y, sdx, sdy, 255);
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   620
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   621
    // restore original dx/dy
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   622
    Gear^.dX := dx;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   623
    Gear^.dY := dy;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   624
6453
11c578d30bd3 Countless imporvements to the parser and countless help to the parser in sources.
unc0rr
parents: 6279
diff changeset
   625
    if bSucc and (sdx <> 0) and (sdy <> 0) then
6279
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   626
    begin
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   627
        dx := int2hwFloat(sdy) / (abs(sdx) + abs(sdy));
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   628
        dx.isNegative := (sdx * sdy) < 0;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   629
        exit (dx);
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   630
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   631
    end;
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   632
7f724835ea57 I hope this helps...
sheepluva
parents: 6124
diff changeset
   633
CalcSlopeBelowGear := _0;
6124
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   634
end;
bee90df26109 something for nemo to play around with
sheepluva
parents: 6123
diff changeset
   635
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
   636
procedure initModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   637
begin
2948
3f21a9dc93d0 Replace tabs with spaces using 'expand -t 4' command
unc0rr
parents: 2716
diff changeset
   638
    Count:= 0;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   639
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   640
3038
4e48c276a468 In pascal unit is a namespace
unc0rr
parents: 2948
diff changeset
   641
procedure freeModule;
2716
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   642
begin
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   643
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   644
end;
b9ca1bfca24f complete the replacement of init/free wrappers for every unit
koda
parents: 2630
diff changeset
   645
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   646
end.