hedgewars/uCollisions.pas
author unc0rr
Thu, 20 Jul 2006 20:11:32 +0000
changeset 80 3c3dc6a148ca
parent 74 42257fee61ae
child 107 b08ce0293a51
permissions -rw-r--r--
- Fixed bug with hedgehog under water using rope - Add locale support in engine - Bots use ljump and hjump - Fix shotgun rating - Support for theme-dependent sprites - Horizon and sky can have any image size - Many small fixes
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     1
(*
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     2
 * Hedgewars, a worms-like game
64
9df467527ae5 - Start AI rewrite
unc0rr
parents: 62
diff changeset
     3
 * Copyright (c) 2005, 2006 Andrey Korotaev <unC0Rr@gmail.com>
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     4
 *
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     5
 * Distributed under the terms of the BSD-modified licence:
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     6
 *
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     7
 * Permission is hereby granted, free of charge, to any person obtaining a copy
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     8
 * of this software and associated documentation files (the "Software"), to deal
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
     9
 * with the Software without restriction, including without limitation the
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    10
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    11
 * sell copies of the Software, and to permit persons to whom the Software is
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    12
 * furnished to do so, subject to the following conditions:
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    13
 *
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    14
 * 1. Redistributions of source code must retain the above copyright notice,
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    15
 *    this list of conditions and the following disclaimer.
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    16
 * 2. Redistributions in binary form must reproduce the above copyright notice,
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    17
 *    this list of conditions and the following disclaimer in the documentation
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    18
 *    and/or other materials provided with the distribution.
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    19
 * 3. The name of the author may not be used to endorse or promote products
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    20
 *    derived from this software without specific prior written permission.
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    21
 *
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    22
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    23
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    24
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    25
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    26
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    27
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    28
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    29
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    30
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    31
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    32
 *)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    33
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    34
unit uCollisions;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    35
interface
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    36
uses uGears;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    37
{$INCLUDE options.inc}
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    38
const cMaxGearArrayInd = 255;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    39
70
82d93eeecebe - Many AI improvements
unc0rr
parents: 68
diff changeset
    40
type PGearArray = ^TGearArray;
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    41
     TGearArray = record
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    42
                  ar: array[0..cMaxGearArrayInd] of PGear;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    43
                  Count: Longword
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    44
                  end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    45
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    46
procedure AddGearCI(Gear: PGear);
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    47
procedure DeleteCI(Gear: PGear);
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    48
function CheckGearsCollision(Gear: PGear): PGearArray;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    49
function TestCollisionXwithGear(Gear: PGear; Dir: integer): boolean;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    50
function TestCollisionYwithGear(Gear: PGear; Dir: integer): boolean;
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
    51
function TestCollisionY(Gear: PGear; Dir: integer): boolean;
74
42257fee61ae - Unicode support for team and hedgehogs names
unc0rr
parents: 70
diff changeset
    52
function TestCollisionXwithXYShift(Gear: PGear; ShiftX, ShiftY: real; Dir: integer): boolean;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    53
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: integer; Dir: integer): boolean;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    54
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    55
implementation
57
e1a77ae57065 - Fixed compiling .)
unc0rr
parents: 54
diff changeset
    56
uses uMisc, uConsts, uLand, uLandGraphics;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    57
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    58
type TCollisionEntry = record
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    59
                       X, Y, Radius: integer;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    60
                       cGear: PGear;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    61
                       end;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    62
                       
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    63
const MAXRECTSINDEX = 255;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    64
var Count: Longword = 0;
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    65
    cinfos: array[0..MAXRECTSINDEX] of TCollisionEntry;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    66
    ga: TGearArray;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    67
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    68
procedure AddGearCI(Gear: PGear);
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    69
begin
54
839fd258ae6f - Fixed game loading
unc0rr
parents: 53
diff changeset
    70
if Gear.CollIndex < High(Longword) then exit;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    71
TryDo(Count <= MAXRECTSINDEX, 'Collision rects array overflow', true);
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    72
with cinfos[Count] do
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    73
     begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    74
     X:= round(Gear.X);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    75
     Y:= round(Gear.Y);
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    76
     Radius:= Gear.Radius;
62
c3eda0c68cd6 No more hedgehogs hung in air
unc0rr
parents: 57
diff changeset
    77
     FillRoundInLand(X, Y, Radius-1, $FF);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    78
     cGear:= Gear
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    79
     end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    80
Gear.CollIndex:= Count;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    81
inc(Count)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    82
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    83
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    84
procedure DeleteCI(Gear: PGear);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    85
begin
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    86
if Gear.CollIndex < Count then
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    87
   begin
62
c3eda0c68cd6 No more hedgehogs hung in air
unc0rr
parents: 57
diff changeset
    88
   with cinfos[Gear.CollIndex] do FillRoundInLand(X, Y, Radius-1, 0);
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    89
   cinfos[Gear.CollIndex]:= cinfos[Pred(Count)];
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    90
   cinfos[Gear.CollIndex].cGear.CollIndex:= Gear.CollIndex;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    91
   Gear.CollIndex:= High(Longword);
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    92
   dec(Count)
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    93
   end;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    94
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    95
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    96
function CheckGearsCollision(Gear: PGear): PGearArray;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
    97
var mx, my: integer;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    98
    i: Longword;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
    99
begin
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   100
Result:= @ga;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   101
ga.Count:= 0;
12
366adfa1a727 Fix reading out of bounds of the collisions array. This fixes flying hedgehogs and not moving after explosion
unc0rr
parents: 4
diff changeset
   102
if Count = 0 then exit;
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   103
mx:= round(Gear.X);
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   104
my:= round(Gear.Y);
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   105
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   106
for i:= 0 to Pred(Count) do
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   107
   with cinfos[i] do
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   108
      if (Gear <> cGear) and
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   109
         (sqrt(sqr(mx - x) + sqr(my - y)) <= Radius + Gear.Radius) then
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   110
             begin
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   111
             ga.ar[ga.Count]:= cinfos[i].cGear;
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   112
             inc(ga.Count)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   113
             end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   114
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   115
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   116
function TestCollisionXwithGear(Gear: PGear; Dir: integer): boolean;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   117
var x, y, i: integer;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   118
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   119
Result:= false;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   120
x:= round(Gear.X);
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   121
if Dir < 0 then x:= x - Gear.Radius
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   122
           else x:= x + Gear.Radius;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   123
if (x and $FFFFF800) = 0 then
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   124
   begin
64
9df467527ae5 - Start AI rewrite
unc0rr
parents: 62
diff changeset
   125
   y:= round(Gear.Y) - Gear.Radius + 1;
9df467527ae5 - Start AI rewrite
unc0rr
parents: 62
diff changeset
   126
   i:= y + Gear.Radius * 2 - 2;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   127
   repeat
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   128
     if (y and $FFFFFC00) = 0 then Result:= Land[y, x]<>0;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   129
     inc(y)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   130
   until (y > i) or Result;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   131
   end
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   132
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   133
74
42257fee61ae - Unicode support for team and hedgehogs names
unc0rr
parents: 70
diff changeset
   134
function TestCollisionXwithXYShift(Gear: PGear; ShiftX, ShiftY: real; Dir: integer): boolean;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   135
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   136
Gear.X:= Gear.X + ShiftX;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   137
Gear.Y:= Gear.Y + ShiftY;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   138
Result:= TestCollisionXwithGear(Gear, Dir);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   139
Gear.X:= Gear.X - ShiftX;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   140
Gear.Y:= Gear.Y - ShiftY
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   141
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   142
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   143
function TestCollisionYwithGear(Gear: PGear; Dir: integer): boolean;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   144
var x, y, i: integer;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   145
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   146
Result:= false;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   147
y:= round(Gear.Y);
53
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   148
if Dir < 0 then y:= y - Gear.Radius
0e27949850e3 - Fixed bubble theme object
unc0rr
parents: 38
diff changeset
   149
           else y:= y + Gear.Radius;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   150
if (y and $FFFFFC00) = 0 then
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   151
   begin
64
9df467527ae5 - Start AI rewrite
unc0rr
parents: 62
diff changeset
   152
   x:= round(Gear.X) - Gear.Radius + 1;
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   153
   i:= x + Gear.Radius * 2 - 2;
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   154
   repeat
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   155
     if (x and $FFFFF800) = 0 then Result:= Land[y, x]<>0;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   156
     inc(x)
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   157
   until (x > i) or Result;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   158
   end
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   159
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   160
68
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   161
function TestCollisionY(Gear: PGear; Dir: integer): boolean;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   162
var x, y, i: integer;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   163
begin
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   164
Result:= false;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   165
y:= round(Gear.Y);
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   166
if Dir < 0 then y:= y - Gear.Radius
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   167
           else y:= y + Gear.Radius;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   168
if (y and $FFFFFC00) = 0 then
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   169
   begin
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   170
   x:= round(Gear.X) - Gear.Radius + 1;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   171
   i:= x + Gear.Radius * 2 - 2;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   172
   repeat
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   173
     if (x and $FFFFF800) = 0 then Result:= Land[y, x] = COLOR_LAND;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   174
     inc(x)
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   175
   until (x > i) or Result;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   176
   end
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   177
end;
cbb93eb90304 Collision-related stuff
unc0rr
parents: 64
diff changeset
   178
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   179
function TestCollisionYwithXYShift(Gear: PGear; ShiftX, ShiftY: integer; Dir: integer): boolean;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   180
begin
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   181
Gear.X:= Gear.X + ShiftX;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   182
Gear.Y:= Gear.Y + ShiftY;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   183
Result:= TestCollisionYwithGear(Gear, Dir);
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   184
Gear.X:= Gear.X - ShiftX;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   185
Gear.Y:= Gear.Y - ShiftY
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   186
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   187
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   188
end.