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 {$INCLUDE ../../../shared/a_modes.inc}
18 interface
20 uses
21 g_animations,
22 r_textures
23 ;
25 procedure r_Draw_Texture (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
26 procedure r_Draw_TextureRepeat (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
27 procedure r_Draw_TextureRepeatRotate (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean; rx, ry, angle: Integer);
29 procedure r_Draw_MultiTextureRepeat (m: TGLMultiTexture; const anim: TAnimState; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
30 procedure r_Draw_MultiTextureRepeatRotate (m: TGLMultiTexture; const anim: TAnimState; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean; rx, ry, angle: Integer);
39 implementation
41 uses
42 {$IFDEF USE_GLES1}
43 GLES11,
44 {$ELSE}
46 {$ENDIF}
49 g_game // gScreenWidth, gScreenHeight
50 ;
52 const
59 begin
63 glLoadIdentity;
66 glLoadIdentity;
70 begin
79 procedure DrawTile (tile: TGLAtlasNode; x, y, w, h: Integer; flip: Boolean; rr, gg, bb, aa: Byte; blend: Boolean);
81 begin
83 begin
85 if blend then glBlendFunc(GL_SRC_ALPHA, GL_ONE) else glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
89 end
90 else
91 begin
101 if blend then glBlendFunc(GL_SRC_ALPHA, GL_ONE) else glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
112 end
115 procedure r_Draw_Texture (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
117 begin
122 else
123 begin
127 begin
129 begin
132 glPushMatrix;
136 glPopMatrix;
142 end
145 procedure r_Draw_TextureRepeat (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
147 begin
152 else
155 r_Draw_Texture(img, x + i * img.width, y + j * img.height, img.width, img.height, flip, r, g, b, a, blend);
158 procedure r_Draw_TextureRepeatRotate (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean; rx, ry, angle: Integer);
159 begin
163 begin
164 glPushMatrix;
169 glPopMatrix;
170 end
171 else
175 procedure r_Draw_MultiTextureRepeat (m: TGLMultiTexture; const anim: TAnimState; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
177 begin
181 else
182 begin
184 begin
188 end
189 else
193 end
196 procedure r_Draw_MultiTextureRepeatRotate (m: TGLMultiTexture; const anim: TAnimState; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean; rx, ry, angle: Integer);
197 begin
201 begin
202 glPushMatrix;
207 glPopMatrix;
208 end
209 else
214 begin
226 glEnd;
230 begin
242 glEnd;
246 begin
258 glEnd;
263 begin
266 begin
277 begin
282 begin