2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // models.c -- model loading and caching
22 // models are the only shared resource between a client and server running
23 // on the same machine.
28 cvar_t r_mipsprites = {CVAR_SAVE, "r_mipsprites", "1"};
35 void Mod_SpriteInit (void)
37 Cvar_RegisterVariable(&r_mipsprites);
40 static void Mod_Sprite_StripExtension(char *in, char *out)
43 end = in + strlen(in);
45 if (strcmp(end - 6, ".spr32") == 0)
48 if (strcmp(end - 4, ".spr") == 0)
55 static void Mod_Sprite_SharedSetup(qbyte *datapointer, int version, int *palette)
57 int i, j, k, groupframes, realframes, x, y, origin[2], width, height;
58 dspriteframetype_t *pinframetype;
59 dspriteframe_t *pinframe;
60 dspritegroup_t *pingroup;
61 dspriteinterval_t *pinintervals;
62 float modelradius, interval;
63 char tempname[MAX_QPATH], name[MAX_QPATH];
68 Mod_Sprite_StripExtension(loadmodel->name, tempname);
70 if (loadmodel->numframes < 1)
71 Host_Error ("Mod_Sprite_SharedSetup: Invalid # of frames: %d\n", loadmodel->numframes);
73 loadmodel->type = mod_sprite;
74 loadmodel->flags = EF_FULLBRIGHT;
76 // LordHavoc: hack to allow sprites to be non-fullbright
77 for (i = 0;i < MAX_QPATH && loadmodel->name[i];i++)
79 if (loadmodel->name[i] == '!')
81 loadmodel->flags &= ~EF_FULLBRIGHT;
86 // LordHavoc: 32bit textures
87 if (version != SPRITE_VERSION && version != SPRITE32_VERSION && version != SPRITEHL_VERSION)
88 Host_Error("Mod_Sprite_SharedSetup: unsupported version %i, only %i (quake), %i (HalfLife), and %i (sprite32) supported", version, SPRITE_VERSION, SPRITEHL_VERSION, SPRITE32_VERSION);
93 startframes = datapointer;
95 for (i = 0;i < loadmodel->numframes;i++)
97 pinframetype = (dspriteframetype_t *)datapointer;
98 datapointer += sizeof(dspriteframetype_t);
100 if (LittleLong (pinframetype->type) == SPR_SINGLE)
104 pingroup = (dspritegroup_t *)datapointer;
105 datapointer += sizeof(dspritegroup_t);
107 groupframes = LittleLong(pingroup->numframes);
109 datapointer += sizeof(dspriteinterval_t) * groupframes;
112 for (j = 0;j < groupframes;j++)
114 pinframe = (dspriteframe_t *)datapointer;
115 if (version == SPRITE32_VERSION)
116 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height) * 4;
117 else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
118 datapointer += sizeof(dspriteframe_t) + LittleLong(pinframe->width) * LittleLong(pinframe->height);
120 realframes += groupframes;
123 loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
124 loadmodel->sprite.sprdata_frames = Mem_Alloc(loadmodel->mempool, sizeof(mspriteframe_t) * realframes);
126 datapointer = startframes;
128 for (i = 0;i < loadmodel->numframes;i++)
130 pinframetype = (dspriteframetype_t *)datapointer;
131 datapointer += sizeof(dspriteframetype_t);
133 if (LittleLong (pinframetype->type) == SPR_SINGLE)
140 pingroup = (dspritegroup_t *)datapointer;
141 datapointer += sizeof(dspritegroup_t);
143 groupframes = LittleLong(pingroup->numframes);
145 pinintervals = (dspriteinterval_t *)datapointer;
146 datapointer += sizeof(dspriteinterval_t) * groupframes;
148 interval = LittleFloat(pinintervals[0].interval);
149 if (interval < 0.01f)
150 Host_Error("Mod_Sprite_SharedSetup: invalid interval");
153 sprintf(loadmodel->animscenes[i].name, "frame %i", i);
154 loadmodel->animscenes[i].firstframe = realframes;
155 loadmodel->animscenes[i].framecount = groupframes;
156 loadmodel->animscenes[i].framerate = 1.0f / interval;
157 loadmodel->animscenes[i].loop = true;
159 for (j = 0;j < groupframes;j++)
161 pinframe = (dspriteframe_t *)datapointer;
162 datapointer += sizeof(dspriteframe_t);
164 origin[0] = LittleLong (pinframe->origin[0]);
165 origin[1] = LittleLong (pinframe->origin[1]);
166 width = LittleLong (pinframe->width);
167 height = LittleLong (pinframe->height);
169 loadmodel->sprite.sprdata_frames[realframes].left = origin[0];
170 loadmodel->sprite.sprdata_frames[realframes].right = origin[0] + width;
171 loadmodel->sprite.sprdata_frames[realframes].up = origin[1];
172 loadmodel->sprite.sprdata_frames[realframes].down = origin[1] - height;
174 x = max(loadmodel->sprite.sprdata_frames[realframes].left * loadmodel->sprite.sprdata_frames[realframes].left, loadmodel->sprite.sprdata_frames[realframes].right * loadmodel->sprite.sprdata_frames[realframes].right);
175 y = max(loadmodel->sprite.sprdata_frames[realframes].up * loadmodel->sprite.sprdata_frames[realframes].up, loadmodel->sprite.sprdata_frames[realframes].down * loadmodel->sprite.sprdata_frames[realframes].down);
176 if (modelradius < x + y)
179 if (width > 0 && height > 0)
182 sprintf (name, "%s_%i_%i", tempname, i, j);
184 sprintf (name, "%s_%i", tempname, i);
185 loadmodel->sprite.sprdata_frames[realframes].texture = loadtextureimagewithmask(loadmodel->texturepool, name, 0, 0, false, (r_mipsprites.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_CLAMP | TEXF_PRECACHE);
186 loadmodel->sprite.sprdata_frames[realframes].fogtexture = image_masktex;
188 if (!loadmodel->sprite.sprdata_frames[realframes].texture)
190 pixbuf = Mem_Alloc(tempmempool, width*height*4);
191 if (version == SPRITE32_VERSION)
192 memcpy(pixbuf, datapointer, width*height*4);
193 else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
194 Image_Copy8bitRGBA(datapointer, pixbuf, width*height, palette);
196 loadmodel->sprite.sprdata_frames[realframes].texture = R_LoadTexture2D (loadmodel->texturepool, name, width, height, pixbuf, TEXTYPE_RGBA, TEXF_ALPHA | (r_mipsprites.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_PRECACHE, NULL);
198 // make fog version (just alpha)
199 for (k = 0;k < width*height;k++)
206 sprintf (name, "%s_%i_%ifog", tempname, i, j);
208 sprintf (name, "%s_%ifog", tempname, i);
209 loadmodel->sprite.sprdata_frames[realframes].fogtexture = R_LoadTexture2D (loadmodel->texturepool, name, width, height, pixbuf, TEXTYPE_RGBA, TEXF_ALPHA | (r_mipsprites.integer ? TEXF_MIPMAP : 0) | TEXF_CLAMP | TEXF_PRECACHE, NULL);
215 if (version == SPRITE32_VERSION)
216 datapointer += width * height * 4;
217 else //if (version == SPRITE_VERSION || version == SPRITEHL_VERSION)
218 datapointer += width * height;
223 modelradius = sqrt(modelradius);
224 for (i = 0;i < 3;i++)
226 loadmodel->normalmins[i] = loadmodel->yawmins[i] = loadmodel->rotatedmins[i] = -modelradius;
227 loadmodel->normalmaxs[i] = loadmodel->yawmaxs[i] = loadmodel->rotatedmaxs[i] = modelradius;
229 loadmodel->radius = modelradius;
230 loadmodel->radius2 = modelradius * modelradius;
233 extern void R_Model_Sprite_Draw(entity_render_t *ent);
234 void Mod_IDSP_Load(model_t *mod, void *buffer)
236 int version, i, rendermode;
237 qbyte palette[256][4], *in;
238 dsprite_t *pinqsprite;
239 dspritehl_t *pinhlsprite;
242 datapointer = buffer;
244 loadmodel->DrawSky = NULL;
245 loadmodel->Draw = R_Model_Sprite_Draw;
246 loadmodel->DrawShadowVolume = NULL;
247 loadmodel->DrawLight = NULL;
249 version = LittleLong(((dsprite_t *)buffer)->version);
250 if (version == SPRITE_VERSION || SPRITE32_VERSION)
252 pinqsprite = (dsprite_t *)datapointer;
253 datapointer += sizeof(dsprite_t);
255 loadmodel->numframes = LittleLong (pinqsprite->numframes);
256 loadmodel->sprite.sprnum_type = LittleLong (pinqsprite->type);
257 loadmodel->synctype = LittleLong (pinqsprite->synctype);
259 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinqsprite->version), palette_complete);
261 else if (version == SPRITEHL_VERSION)
263 pinhlsprite = (dspritehl_t *)datapointer;
264 datapointer += sizeof(dspritehl_t);
266 loadmodel->numframes = LittleLong (pinhlsprite->numframes);
267 loadmodel->sprite.sprnum_type = LittleLong (pinhlsprite->type);
268 loadmodel->synctype = LittleLong (pinhlsprite->synctype);
269 rendermode = pinhlsprite->rendermode;
273 i = in[0] + in[1] * 256;
275 Host_Error ("Mod_IDSP_Load: unexpected number of palette colors %i (should be 256)", i);
281 for (i = 0;i < 255;i++)
283 palette[i][0] = *in++;
284 palette[i][1] = *in++;
285 palette[i][2] = *in++;
288 palette[255][0] = palette[255][1] = palette[255][2] = palette[255][3] = 0;
291 for (i = 0;i < 256;i++)
293 palette[i][0] = *in++;
294 palette[i][1] = *in++;
295 palette[i][2] = *in++;
298 loadmodel->flags |= EF_ADDITIVE;
300 case SPRHL_INDEXALPHA:
301 for (i = 0;i < 256;i++)
310 case SPRHL_ALPHATEST:
311 for (i = 0;i < 255;i++)
313 palette[i][0] = *in++;
314 palette[i][1] = *in++;
315 palette[i][2] = *in++;
318 palette[0][0] = palette[0][1] = palette[0][2] = palette[0][3] = 0;
321 Host_Error("Mod_IDSP_Load: unknown texFormat (%i, should be 0, 1, 2, or 3)\n", i);
325 Mod_Sprite_SharedSetup(datapointer, LittleLong (pinhlsprite->version), (int *)(&palette[0][0]));
328 Host_Error("Mod_IDSP_Load: %s has wrong version number (%i should be 1 (quake) or 32 (sprite32) or 2 (halflife)", loadmodel->name, version);