src/game/opengl/r_weapons.pas

   1 (* Copyright (C)  Doom 2D: Forever Developers
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, version 3 of the License ONLY.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  *)
  15 {$INCLUDE ../../shared/a_modes.inc}
  16 unit r_weapons;
  17
  18 interface
  19
  20   procedure r_Weapon_Load;
  21   procedure r_Weapon_Free;
  22   procedure r_Weapon_Draw;
  23
  24 implementation
  25
  26   uses
  27     SysUtils, Classes, Math,
  28     MAPDEF,
  29     r_graphics, r_animations, r_textures,
  30     g_base, g_basic, g_game, g_options,
  31     g_weapons
  32   ;
  33
  34   var
  35     ShotTexture, ShotFrames: array [WEAPON_KASTET..WEAPON_SKEL_FIRE] of DWORD;
  36
  37   procedure r_Weapon_Load;
  38   begin
  39     g_Texture_CreateWADEx('TEXTURE_WEAPON_ROCKET', GameWAD+':TEXTURES\BROCKET');
  40     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_SKELFIRE', GameWAD+':TEXTURES\BSKELFIRE', 64, 16, 2);
  41     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_BFG', GameWAD+':TEXTURES\BBFG', 64, 64, 2);
  42     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_PLASMA', GameWAD+':TEXTURES\BPLASMA', 16, 16, 2);
  43     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_IMPFIRE', GameWAD+':TEXTURES\BIMPFIRE', 16, 16, 2);
  44     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_BSPFIRE', GameWAD+':TEXTURES\BBSPFIRE', 16, 16, 2);
  45     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_CACOFIRE', GameWAD+':TEXTURES\BCACOFIRE', 16, 16, 2);
  46     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_BARONFIRE', GameWAD+':TEXTURES\BBARONFIRE', 64, 16, 2);
  47     g_Frames_CreateWAD(nil, 'FRAMES_WEAPON_MANCUBFIRE', GameWAD+':TEXTURES\BMANCUBFIRE', 64, 32, 2);
  48     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_ROCKET', GameWAD+':TEXTURES\EROCKET', 128, 128, 6);
  49     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_SKELFIRE', GameWAD+':TEXTURES\ESKELFIRE', 64, 64, 3);
  50     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_BFG', GameWAD+':TEXTURES\EBFG', 128, 128, 6);
  51     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_IMPFIRE', GameWAD+':TEXTURES\EIMPFIRE', 64, 64, 3);
  52     g_Frames_CreateWAD(nil, 'FRAMES_BFGHIT', GameWAD+':TEXTURES\BFGHIT', 64, 64, 4);
  53     g_Frames_CreateWAD(nil, 'FRAMES_FIRE', GameWAD+':TEXTURES\FIRE', 64, 128, 8);
  54     g_Frames_CreateWAD(nil, 'FRAMES_FLAME', GameWAD+':TEXTURES\FLAME', 32, 32, 11);
  55     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_PLASMA', GameWAD+':TEXTURES\EPLASMA', 32, 32, 4, True);
  56     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_BSPFIRE', GameWAD+':TEXTURES\EBSPFIRE', 32, 32, 5);
  57     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_CACOFIRE', GameWAD+':TEXTURES\ECACOFIRE', 64, 64, 3);
  58     g_Frames_CreateWAD(nil, 'FRAMES_EXPLODE_BARONFIRE', GameWAD+':TEXTURES\EBARONFIRE', 64, 64, 3);
  59     g_Frames_CreateWAD(nil, 'FRAMES_SMOKE', GameWAD+':TEXTURES\SMOKE', 32, 32, 10, False);
  60
  61     g_Texture_CreateWADEx('TEXTURE_SHELL_BULLET', GameWAD+':TEXTURES\EBULLET');
  62     g_Texture_CreateWADEx('TEXTURE_SHELL_SHELL', GameWAD+':TEXTURES\ESHELL');
  63
  64     (* WEAPON_ROCKETLAUNCHER *)
  65     g_Texture_Get('TEXTURE_WEAPON_ROCKET', ShotTexture[WEAPON_ROCKETLAUNCHER]);
  66
  67     (* WEAPON_PLASMA *)
  68     g_Frames_Get(ShotFrames[WEAPON_PLASMA], 'FRAMES_WEAPON_PLASMA');
  69     // Animation := TAnimation.Create(FramesID, True, 5);
  70
  71     (* WEAPON_BFG *)
  72     g_Frames_Get(ShotFrames[WEAPON_BFG], 'FRAMES_WEAPON_BFG');
  73     // Animation := TAnimation.Create(FramesID, True, 6);
  74
  75     (* WEAPON_FLAMETHROWER *)
  76     //g_Frames_Get(ShotTexture[WEAPON_FLAMETHROWER], 'FRAMES_FLAME');
  77     //g_Frames_Get(ShotFrames[WEAPON_FLAMETHROWER], 'FRAMES_FLAME');
  78
  79     (* WEAPON_IMP_FIRE *)
  80     g_Frames_Get(ShotFrames[WEAPON_IMP_FIRE], 'FRAMES_WEAPON_IMPFIRE');
  81     // Animation := TAnimation.Create(FramesID, True, 4);
  82
  83     (* WEAPON_CACO_FIRE *)
  84     g_Frames_Get(ShotFrames[WEAPON_CACO_FIRE], 'FRAMES_WEAPON_CACOFIRE');
  85     // Animation := TAnimation.Create(FramesID, True, 4);
  86
  87     (* WEAPON_MANCUB_FIRE *)
  88     g_Frames_Get(ShotFrames[WEAPON_MANCUB_FIRE], 'FRAMES_WEAPON_MANCUBFIRE');
  89     // Animation := TAnimation.Create(FramesID, True, 4);
  90
  91     (* WEAPON_BARON_FIRE *)
  92     g_Frames_Get(ShotFrames[WEAPON_BARON_FIRE], 'FRAMES_WEAPON_BARONFIRE');
  93     // Animation := TAnimation.Create(FramesID, True, 4);
  94
  95     (* WEAPON_BSP_FIRE *)
  96     g_Frames_Get(ShotFrames[WEAPON_BSP_FIRE], 'FRAMES_WEAPON_BSPFIRE');
  97     // Animation := TAnimation.Create(FramesID, True, 4);
  98
  99     (* WEAPON_SKEL_FIRE *)
 100     g_Frames_Get(ShotFrames[WEAPON_SKEL_FIRE], 'FRAMES_WEAPON_SKELFIRE');
 101     // Animation := TAnimation.Create(FramesID, True, 5);
 102   end;
 103
 104   procedure r_Weapon_Free;
 105   begin
 106     g_Texture_Delete('TEXTURE_WEAPON_ROCKET');
 107     g_Frames_DeleteByName('FRAMES_WEAPON_BFG');
 108     g_Frames_DeleteByName('FRAMES_WEAPON_PLASMA');
 109     g_Frames_DeleteByName('FRAMES_WEAPON_IMPFIRE');
 110     g_Frames_DeleteByName('FRAMES_WEAPON_BSPFIRE');
 111     g_Frames_DeleteByName('FRAMES_WEAPON_CACOFIRE');
 112     g_Frames_DeleteByName('FRAMES_WEAPON_MANCUBFIRE');
 113     g_Frames_DeleteByName('FRAMES_EXPLODE_ROCKET');
 114     g_Frames_DeleteByName('FRAMES_EXPLODE_BFG');
 115     g_Frames_DeleteByName('FRAMES_EXPLODE_IMPFIRE');
 116     g_Frames_DeleteByName('FRAMES_BFGHIT');
 117     g_Frames_DeleteByName('FRAMES_FIRE');
 118     g_Frames_DeleteByName('FRAMES_EXPLODE_PLASMA');
 119     g_Frames_DeleteByName('FRAMES_EXPLODE_BSPFIRE');
 120     g_Frames_DeleteByName('FRAMES_EXPLODE_CACOFIRE');
 121     g_Frames_DeleteByName('FRAMES_SMOKE');
 122     g_Frames_DeleteByName('FRAMES_WEAPON_BARONFIRE');
 123     g_Frames_DeleteByName('FRAMES_EXPLODE_BARONFIRE');
 124   end;
 125
 126   procedure r_Weapon_Draw;
 127     var i, fX, fY, xx, yy: Integer; a: SmallInt; p: TDFPoint;
 128   begin
 129     if Shots = nil then
 130       Exit;
 131
 132     for i := 0 to High(Shots) do
 133     begin
 134       if Shots[i].ShotType <> 0 then
 135       begin
 136         with Shots[i] do
 137         begin
 138           if Shots[i].ShotType in [WEAPON_ROCKETLAUNCHER, WEAPON_BARON_FIRE, WEAPON_MANCUB_FIRE, WEAPON_SKEL_FIRE] then
 139             a := -GetAngle2(Obj.Vel.X, Obj.Vel.Y)
 140           else
 141             a := 0;
 142
 143           Obj.lerp(gLerpFactor, fX, fY);
 144           p.X := Obj.Rect.Width div 2;
 145           p.Y := Obj.Rect.Height div 2;
 146
 147           if Animation <> nil then
 148           begin
 149             if Shots[i].ShotType in [WEAPON_BARON_FIRE, WEAPON_MANCUB_FIRE, WEAPON_SKEL_FIRE] then
 150               r_AnimationState_DrawEx(ShotFrames[Shots[i].ShotType], Animation, fX, fY, TMirrorType.None, p, a)
 151             else
 152               r_AnimationState_Draw(ShotFrames[Shots[i].ShotType], Animation, fX, fY, TMirrorType.None);
 153           end
 154           else if ShotTexture[Shots[i].ShotType] <> 0 then
 155           begin
 156             if (Shots[i].ShotType = WEAPON_ROCKETLAUNCHER) then
 157               e_DrawAdv(ShotTexture[Shots[i].ShotType], fX, fY, 0, True, False, a, @p, TMirrorType.None)
 158             else if (Shots[i].ShotType <> WEAPON_FLAMETHROWER) then
 159               e_Draw(ShotTexture[Shots[i].ShotType], fX, fY, 0, True, False);
 160           end;
 161
 162           if g_debug_Frames then
 163           begin
 164             xx := Obj.X + Obj.Rect.X;
 165             yy := Obj.Y + Obj.Rect.Y;
 166             e_DrawQuad(xx, yy, xx + Obj.Rect.Width - 1, yy + Obj.Rect.Height - 1, 0, 255, 0);
 167           end
 168         end
 169       end
 170     end
 171   end;
 172
 173 end.