1 /*
2 gl_rmisc.c
3
4 (description)
5
6 Copyright (C) 1996-1997 Id Software, Inc.
7
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License
10 as published by the Free Software Foundation; either version 2
11 of the License, or (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16
17 See the GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to:
21
22 Free Software Foundation, Inc.
23 59 Temple Place - Suite 330
24 Boston, MA 02111-1307, USA
25
26 */
27 #ifdef HAVE_CONFIG_H
28 # include "config.h"
29 #endif
30
31 #define NH_DEFINE
32 #include "namehack.h"
33
34 #ifdef HAVE_STRING_H
35 # include <string.h>
36 #endif
37 #ifdef HAVE_STRINGS_H
38 # include <strings.h>
39 #endif
40
41 #if defined(_WIN32) && defined(HAVE_MALLOC_H)
42 #include <malloc.h>
43 #endif
44
45 #include <stdlib.h>
46 #include <stdio.h>
47
48 #include "QF/cmd.h"
49 #include "QF/cvar.h"
50 #include "QF/draw.h"
51 #include "QF/quakefs.h"
52 #include "QF/render.h"
53 #include "QF/screen.h"
54 #include "QF/skin.h"
55 #include "QF/sys.h"
56 #include "QF/vid.h"
57 #include "QF/GL/defines.h"
58 #include "QF/GL/funcs.h"
59 #include "QF/GL/qf_rmain.h"
60 #include "QF/GL/qf_rsurf.h"
61 #include "QF/GL/qf_textures.h"
62 #include "QF/GL/qf_vid.h"
63
64 #include "mod_internal.h"
65 #include "r_internal.h"
66 #include "varrays.h"
67
68 /*
69 R_Envmap_f
70
71 Grab six views for environment mapping tests
72 */
73 static void
R_Envmap_f(void)74 R_Envmap_f (void)
75 {
76 byte buffer[256 * 256 * 4];
77
78 qfglDrawBuffer (GL_FRONT);
79 qfglReadBuffer (GL_FRONT);
80 gl_envmap = true;
81
82 r_refdef.vrect.x = 0;
83 r_refdef.vrect.y = 0;
84 r_refdef.vrect.width = 256;
85 r_refdef.vrect.height = 256;
86
87 r_refdef.viewangles[0] = 0;
88 r_refdef.viewangles[1] = 0;
89 r_refdef.viewangles[2] = 0;
90 gl_R_RenderView ();
91 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
92 QFS_WriteFile ("env0.rgb", buffer, sizeof (buffer));
93
94 r_refdef.viewangles[1] = 90;
95 gl_R_RenderView ();
96 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
97 QFS_WriteFile ("env1.rgb", buffer, sizeof (buffer));
98
99 r_refdef.viewangles[1] = 180;
100 gl_R_RenderView ();
101 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
102 QFS_WriteFile ("env2.rgb", buffer, sizeof (buffer));
103
104 r_refdef.viewangles[1] = 270;
105 gl_R_RenderView ();
106 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
107 QFS_WriteFile ("env3.rgb", buffer, sizeof (buffer));
108
109 r_refdef.viewangles[0] = -90;
110 r_refdef.viewangles[1] = 0;
111 gl_R_RenderView ();
112 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
113 QFS_WriteFile ("env4.rgb", buffer, sizeof (buffer));
114
115 r_refdef.viewangles[0] = 90;
116 r_refdef.viewangles[1] = 0;
117 gl_R_RenderView ();
118 qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
119 QFS_WriteFile ("env5.rgb", buffer, sizeof (buffer));
120
121 gl_envmap = false;
122 qfglDrawBuffer (GL_BACK);
123 qfglReadBuffer (GL_BACK);
124 vid.end_rendering ();
125 }
126
127 void
gl_R_LoadSky_f(void)128 gl_R_LoadSky_f (void)
129 {
130 if (Cmd_Argc () != 2) {
131 Sys_Printf ("loadsky <name> : load a skybox\n");
132 return;
133 }
134
135 gl_R_LoadSkys (Cmd_Argv (1));
136 }
137
138 void
gl_R_Init(void)139 gl_R_Init (void)
140 {
141 R_Init_Cvars ();
142 gl_R_Particles_Init_Cvars ();
143
144 Cmd_AddCommand ("timerefresh", gl_R_TimeRefresh_f,
145 "Tests the current refresh rate for the current location");
146 Cmd_AddCommand ("envmap", R_Envmap_f, "No Description");
147 Cmd_AddCommand ("pointfile", gl_R_ReadPointFile_f,
148 "Load a pointfile to determine map leaks");
149 Cmd_AddCommand ("loadsky", gl_R_LoadSky_f, "Load a skybox");
150
151 Draw_Init ();
152 SCR_Init ();
153 gl_R_InitBubble ();
154
155 GDT_Init ();
156
157 gl_texture_number = gl_R_InitGraphTextures (gl_texture_number);
158
159 gl_texture_number = gl_Skin_Init_Textures (gl_texture_number);
160
161 r_init = 1;
162 gl_R_InitParticles ();
163 gl_R_InitSprites ();
164 gl_Fog_Init ();
165 Skin_Init ();
166 }
167
168 static void
register_textures(model_t * model)169 register_textures (model_t *model)
170 {
171 int i;
172 texture_t *tex;
173
174 for (i = 0; i < model->numtextures; i++) {
175 tex = model->textures[i];
176 if (!tex)
177 continue;
178 gl_R_AddTexture (tex);
179 }
180 }
181
182 void
gl_R_NewMap(model_t * worldmodel,struct model_s ** models,int num_models)183 gl_R_NewMap (model_t *worldmodel, struct model_s **models, int num_models)
184 {
185 int i;
186 texture_t *tex;
187
188 for (i = 0; i < 256; i++)
189 d_lightstylevalue[i] = 264; // normal light value
190
191 memset (&r_worldentity, 0, sizeof (r_worldentity));
192 r_worldentity.model = worldmodel;
193
194 R_FreeAllEntities ();
195
196 // clear out efrags in case the level hasn't been reloaded
197 for (i = 0; i < r_worldentity.model->numleafs; i++)
198 r_worldentity.model->leafs[i].efrags = NULL;
199
200 // Force a vis update
201 r_viewleaf = NULL;
202 R_MarkLeaves ();
203
204 gl_R_ClearParticles ();
205
206 GL_BuildLightmaps (models, num_models);
207
208 // identify sky texture
209 gl_mirrortexturenum = -1;
210 gl_R_ClearTextures ();
211 for (i = 0; i < r_worldentity.model->numtextures; i++) {
212 tex = r_worldentity.model->textures[i];
213 if (!tex)
214 continue;
215 if (!strncmp (tex->name, "sky", 3)) {
216 gl_R_InitSky (tex);
217 }
218 if (!strncmp (tex->name, "window02_1", 10))
219 gl_mirrortexturenum = i;
220 }
221
222 gl_R_InitSurfaceChains (r_worldentity.model);
223 gl_R_AddTexture (r_notexture_mip);
224 register_textures (r_worldentity.model);
225 for (i = 0; i < num_models; i++) {
226 if (!models[i])
227 continue;
228 if (*models[i]->name == '*')
229 continue;
230 if (models[i] != r_worldentity.model && models[i]->type == mod_brush)
231 register_textures (models[i]);
232 }
233 }
234
235 void
gl_R_ViewChanged(float aspect)236 gl_R_ViewChanged (float aspect)
237 {
238 }
239
240 /*
241 R_TimeRefresh_f
242
243 For program optimization
244 LordHavoc: improved appearance and accuracy of timerefresh
245 */
246 void
gl_R_TimeRefresh_f(void)247 gl_R_TimeRefresh_f (void)
248 {
249 double start, stop, time;
250 int i;
251
252 vid.end_rendering ();
253
254 start = Sys_DoubleTime ();
255 for (i = 0; i < 128; i++) {
256 r_refdef.viewangles[1] = i * (360.0 / 128.0);
257 gl_R_RenderView ();
258 vid.end_rendering ();
259 }
260
261 stop = Sys_DoubleTime ();
262 time = stop - start;
263 Sys_MaskPrintf (SYS_DEV, "%f seconds (%f fps)\n", time, 128 / time);
264 }
265