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.
24 // used for dlight push checking and other things
29 matrix4x4_t r_identitymatrix;
31 int c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
33 // true during envmap command capture
49 // 8.8 fraction of base light value
50 unsigned short d_lightstylevalue[256];
52 cvar_t r_drawentities = {0, "r_drawentities","1"};
53 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
54 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "1"};
55 cvar_t r_staticworldlights = {0, "r_staticworldlights", "1"};
56 cvar_t r_speeds = {0, "r_speeds","0"};
57 cvar_t r_fullbright = {0, "r_fullbright","0"};
58 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
59 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
60 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
62 cvar_t gl_fogenable = {0, "gl_fogenable", "0"};
63 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25"};
64 cvar_t gl_fogred = {0, "gl_fogred","0.3"};
65 cvar_t gl_foggreen = {0, "gl_foggreen","0.3"};
66 cvar_t gl_fogblue = {0, "gl_fogblue","0.3"};
67 cvar_t gl_fogstart = {0, "gl_fogstart", "0"};
68 cvar_t gl_fogend = {0, "gl_fogend","0"};
70 cvar_t r_textureunits = {0, "r_textureunits", "32"};
72 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
75 for (i = 0;i < verts;i++)
86 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
89 for (i = 0;i < verts;i++)
103 For program optimization
106 qboolean intimerefresh = 0;
107 static void R_TimeRefresh_f (void)
110 float start, stop, time;
113 start = Sys_DoubleTime ();
114 for (i = 0;i < 128;i++)
116 r_refdef.viewangles[0] = 0;
117 r_refdef.viewangles[1] = i/128.0*360.0;
118 r_refdef.viewangles[2] = 0;
122 stop = Sys_DoubleTime ();
125 Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
130 float fog_density, fog_red, fog_green, fog_blue;
132 qboolean oldgl_fogenable;
133 void R_SetupFog(void)
135 if (gamemode == GAME_NEHAHRA)
137 if (gl_fogenable.integer)
139 oldgl_fogenable = true;
140 fog_density = gl_fogdensity.value;
141 fog_red = gl_fogred.value;
142 fog_green = gl_foggreen.value;
143 fog_blue = gl_fogblue.value;
145 else if (oldgl_fogenable)
147 oldgl_fogenable = false;
156 fogcolor[0] = fog_red = bound(0.0f, fog_red , 1.0f);
157 fogcolor[1] = fog_green = bound(0.0f, fog_green, 1.0f);
158 fogcolor[2] = fog_blue = bound(0.0f, fog_blue , 1.0f);
163 fogdensity = -4000.0f / (fog_density * fog_density);
164 // fog color was already set
170 // FIXME: move this to client?
173 if (gamemode == GAME_NEHAHRA)
175 Cvar_Set("gl_fogenable", "0");
176 Cvar_Set("gl_fogdensity", "0.2");
177 Cvar_Set("gl_fogred", "0.3");
178 Cvar_Set("gl_foggreen", "0.3");
179 Cvar_Set("gl_fogblue", "0.3");
181 fog_density = fog_red = fog_green = fog_blue = 0.0f;
184 // FIXME: move this to client?
185 void FOG_registercvars(void)
187 if (gamemode == GAME_NEHAHRA)
189 Cvar_RegisterVariable (&gl_fogenable);
190 Cvar_RegisterVariable (&gl_fogdensity);
191 Cvar_RegisterVariable (&gl_fogred);
192 Cvar_RegisterVariable (&gl_foggreen);
193 Cvar_RegisterVariable (&gl_fogblue);
194 Cvar_RegisterVariable (&gl_fogstart);
195 Cvar_RegisterVariable (&gl_fogend);
199 void gl_main_start(void)
203 void gl_main_shutdown(void)
207 extern void CL_ParseEntityLump(char *entitystring);
208 void gl_main_newmap(void)
210 if (cl.worldmodel && cl.worldmodel->entities)
211 CL_ParseEntityLump(cl.worldmodel->entities);
215 void GL_Main_Init(void)
217 Matrix4x4_CreateIdentity(&r_identitymatrix);
218 // FIXME: move this to client?
220 Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
221 Cvar_RegisterVariable (&r_drawentities);
222 Cvar_RegisterVariable (&r_drawviewmodel);
223 Cvar_RegisterVariable (&r_shadows);
224 Cvar_RegisterVariable (&r_staticworldlights);
225 Cvar_RegisterVariable (&r_speeds);
226 Cvar_RegisterVariable (&r_fullbrights);
227 Cvar_RegisterVariable (&r_wateralpha);
228 Cvar_RegisterVariable (&r_dynamic);
229 Cvar_RegisterVariable (&r_fullbright);
230 Cvar_RegisterVariable (&r_textureunits);
231 if (gamemode == GAME_NEHAHRA)
232 Cvar_SetValue("r_fullbrights", 0);
233 R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
236 vec3_t r_farclip_origin;
237 vec3_t r_farclip_direction;
238 vec_t r_farclip_directiondist;
239 vec_t r_farclip_meshfarclip;
240 int r_farclip_directionbit0;
241 int r_farclip_directionbit1;
242 int r_farclip_directionbit2;
244 // start a farclip measuring session
245 void R_FarClip_Start(vec3_t origin, vec3_t direction, vec_t startfarclip)
247 VectorCopy(origin, r_farclip_origin);
248 VectorCopy(direction, r_farclip_direction);
249 r_farclip_directiondist = DotProduct(r_farclip_origin, r_farclip_direction);
250 r_farclip_directionbit0 = r_farclip_direction[0] < 0;
251 r_farclip_directionbit1 = r_farclip_direction[1] < 0;
252 r_farclip_directionbit2 = r_farclip_direction[2] < 0;
253 r_farclip_meshfarclip = r_farclip_directiondist + startfarclip;
256 // enlarge farclip to accomodate box
257 void R_FarClip_Box(vec3_t mins, vec3_t maxs)
260 d = (r_farclip_directionbit0 ? mins[0] : maxs[0]) * r_farclip_direction[0]
261 + (r_farclip_directionbit1 ? mins[1] : maxs[1]) * r_farclip_direction[1]
262 + (r_farclip_directionbit2 ? mins[2] : maxs[2]) * r_farclip_direction[2];
263 if (r_farclip_meshfarclip < d)
264 r_farclip_meshfarclip = d;
267 // return farclip value
268 float R_FarClip_Finish(void)
270 return r_farclip_meshfarclip - r_farclip_directiondist;
283 extern void R_Textures_Init(void);
284 extern void Mod_RenderInit(void);
285 extern void GL_Draw_Init(void);
286 extern void GL_Main_Init(void);
287 extern void R_Shadow_Init(void);
288 extern void GL_Models_Init(void);
289 extern void R_Sky_Init(void);
290 extern void GL_Surf_Init(void);
291 extern void R_Crosshairs_Init(void);
292 extern void R_Light_Init(void);
293 extern void R_Particles_Init(void);
294 extern void R_Explosion_Init(void);
295 extern void ui_init(void);
296 extern void gl_backend_init(void);
297 extern void Sbar_Init(void);
299 void Render_Init(void)
324 extern char *ENGINE_EXTENSIONS;
327 VID_CheckExtensions();
329 // LordHavoc: report supported extensions
330 Con_Printf ("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
333 int R_CullBox(const vec3_t mins, const vec3_t maxs)
337 for (i = 0;i < 4;i++)
344 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
348 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
352 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
356 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
360 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
364 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
368 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
372 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
380 int PVS_CullBox(const vec3_t mins, const vec3_t maxs)
383 mnode_t *node, *stack[4096];
385 stack[stackpos++] = cl.worldmodel->nodes;
388 node = stack[--stackpos];
389 if (node->contents < 0)
391 if (((mleaf_t *)node)->pvsframe == cl.worldmodel->pvsframecount)
396 sides = BoxOnPlaneSide(mins, maxs, node->plane);
397 if (sides & 2 && stackpos < 4096)
398 stack[stackpos++] = node->children[1];
399 if (sides & 1 && stackpos < 4096)
400 stack[stackpos++] = node->children[0];
406 int VIS_CullBox(const vec3_t mins, const vec3_t maxs)
409 mnode_t *node, *stack[4096];
410 if (R_CullBox(mins, maxs))
413 stack[stackpos++] = cl.worldmodel->nodes;
416 node = stack[--stackpos];
417 if (node->contents < 0)
419 if (((mleaf_t *)node)->visframe == r_framecount)
424 sides = BoxOnPlaneSide(mins, maxs, node->plane);
425 if (sides & 2 && stackpos < 4096)
426 stack[stackpos++] = node->children[1];
427 if (sides & 1 && stackpos < 4096)
428 stack[stackpos++] = node->children[0];
434 int R_CullSphere(const vec3_t origin, vec_t radius)
436 return (DotProduct(frustum[0].normal, origin) + radius < frustum[0].dist
437 || DotProduct(frustum[1].normal, origin) + radius < frustum[1].dist
438 || DotProduct(frustum[2].normal, origin) + radius < frustum[2].dist
439 || DotProduct(frustum[3].normal, origin) + radius < frustum[3].dist);
442 int PVS_CullSphere(const vec3_t origin, vec_t radius)
445 mnode_t *node, *stack[4096];
448 stack[stackpos++] = cl.worldmodel->nodes;
451 node = stack[--stackpos];
452 if (node->contents < 0)
454 if (((mleaf_t *)node)->pvsframe == cl.worldmodel->pvsframecount)
459 dist = PlaneDiff(origin, node->plane);
461 stack[stackpos++] = node->children[1];
463 stack[stackpos++] = node->children[0];
469 int VIS_CullSphere(const vec3_t origin, vec_t radius)
472 mnode_t *node, *stack[4096];
474 if (R_CullSphere(origin, radius))
477 stack[stackpos++] = cl.worldmodel->nodes;
480 node = stack[--stackpos];
481 if (node->contents < 0)
483 if (((mleaf_t *)node)->visframe == r_framecount)
488 dist = PlaneDiff(origin, node->plane);
490 stack[stackpos++] = node->children[1];
492 stack[stackpos++] = node->children[0];
499 //==================================================================================
501 static void R_MarkEntities (void)
505 entity_render_t *ent;
507 ent = &cl_entities[0].render;
508 Matrix4x4_CreateIdentity(&ent->matrix);
509 Matrix4x4_CreateIdentity(&ent->inversematrix);
512 R_FarClip_Box(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
514 if (!r_drawentities.integer)
517 for (i = 0;i < r_refdef.numentities;i++)
519 ent = r_refdef.entities[i];
520 Mod_CheckLoaded(ent->model);
522 // move view-relative models to where they should be
523 if (ent->flags & RENDER_VIEWMODEL)
525 // remove flag so it will not be repeated incase RelinkEntities is not called again for a while
526 ent->flags -= RENDER_VIEWMODEL;
528 VectorCopy(ent->origin, v);
529 ent->origin[0] = v[0] * vpn[0] + v[1] * vright[0] + v[2] * vup[0] + r_origin[0];
530 ent->origin[1] = v[0] * vpn[1] + v[1] * vright[1] + v[2] * vup[1] + r_origin[1];
531 ent->origin[2] = v[0] * vpn[2] + v[1] * vright[2] + v[2] * vup[2] + r_origin[2];
533 VectorAdd(ent->angles, r_refdef.viewangles, ent->angles);
536 VectorCopy(ent->angles, v);
537 if (!ent->model || ent->model->type != mod_brush)
539 Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], v[0], v[1], v[2], ent->scale);
540 Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
541 R_LerpAnimation(ent);
542 R_UpdateEntLights(ent);
543 if ((chase_active.integer || !(ent->flags & RENDER_EXTERIORMODEL))
544 && !VIS_CullSphere(ent->origin, ent->model->radius * ent->scale)
545 && !VIS_CullBox(ent->mins, ent->maxs))
547 ent->visframe = r_framecount;
548 R_FarClip_Box(ent->mins, ent->maxs);
553 // only used if skyrendermasked, and normally returns false
554 int R_DrawBrushModelsSky (void)
557 entity_render_t *ent;
559 if (!r_drawentities.integer)
563 for (i = 0;i < r_refdef.numentities;i++)
565 ent = r_refdef.entities[i];
566 if (ent->visframe == r_framecount && ent->model && ent->model->DrawSky)
568 ent->model->DrawSky(ent);
581 void R_DrawViewModel (void)
583 entity_render_t *ent;
585 // FIXME: move these checks to client
586 if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
589 ent = &cl.viewent.render;
590 Mod_CheckLoaded(ent->model);
591 R_LerpAnimation(ent);
592 Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], -ent->angles[0], ent->angles[1], ent->angles[2], ent->scale);
593 Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
594 R_UpdateEntLights(ent);
595 ent->model->Draw(ent);
599 void R_DrawNoModel(entity_render_t *ent);
603 entity_render_t *ent;
605 if (!r_drawentities.integer)
608 for (i = 0;i < r_refdef.numentities;i++)
610 ent = r_refdef.entities[i];
611 if (ent->visframe == r_framecount)
613 if (ent->model && ent->model->Draw != NULL)
614 ent->model->Draw(ent);
621 void R_DrawFakeShadows (void)
624 entity_render_t *ent;
626 ent = &cl_entities[0].render;
627 if (ent->model && ent->model->DrawFakeShadow)
628 ent->model->DrawFakeShadow(ent);
630 if (!r_drawentities.integer)
632 for (i = 0;i < r_refdef.numentities;i++)
634 ent = r_refdef.entities[i];
635 if (ent->model && ent->model->DrawFakeShadow)
636 ent->model->DrawFakeShadow(ent);
640 #include "r_shadow.h"
642 int shadowframecount = 0;
644 int Light_CullBox(const vec3_t mins, const vec3_t maxs)
647 mnode_t *node, *stack[4096];
649 stack[stackpos++] = cl.worldmodel->nodes;
652 node = stack[--stackpos];
653 if (node->contents < 0)
655 if (((mleaf_t *)node)->worldnodeframe == shadowframecount)
660 sides = BoxOnPlaneSide(mins, maxs, node->plane);
661 if (sides & 2 && stackpos < 4096)
662 stack[stackpos++] = node->children[1];
663 if (sides & 1 && stackpos < 4096)
664 stack[stackpos++] = node->children[0];
670 int LightAndVis_CullBox(const vec3_t mins, const vec3_t maxs)
673 mnode_t *node, *stack[4096];
674 if (R_CullBox(mins, maxs))
677 stack[stackpos++] = cl.worldmodel->nodes;
680 node = stack[--stackpos];
681 if (node->contents < 0)
683 if (((mleaf_t *)node)->visframe == r_framecount && ((mleaf_t *)node)->worldnodeframe == shadowframecount)
688 sides = BoxOnPlaneSide(mins, maxs, node->plane);
689 if (sides & 2 && stackpos < 4096)
690 stack[stackpos++] = node->children[1];
691 if (sides & 1 && stackpos < 4096)
692 stack[stackpos++] = node->children[0];
699 void R_TestAndDrawShadowVolume(entity_render_t *ent, vec3_t lightorigin, float cullradius, float lightradius, vec3_t clipmins, vec3_t clipmaxs)
702 vec3_t p, p2, temp, relativelightorigin, mins, maxs;
703 float dist, projectdistance;
705 if (ent->model && ent->model->DrawShadowVolume)
707 temp[0] = bound(ent->mins[0], lightorigin[0], ent->maxs[0]) - lightorigin[0];
708 temp[1] = bound(ent->mins[1], lightorigin[1], ent->maxs[1]) - lightorigin[1];
709 temp[2] = bound(ent->mins[2], lightorigin[2], ent->maxs[2]) - lightorigin[2];
710 dist = DotProduct(temp, temp);
711 if (dist < cullradius * cullradius)
713 if (!Light_CullBox(ent->mins, ent->maxs))
715 projectdistance = cullradius - sqrt(dist);
716 // calculate projected bounding box and decide if it is on-screen
717 VectorCopy(ent->mins, mins);
718 VectorCopy(ent->maxs, maxs);
719 for (i = 0;i < 8;i++)
721 p[0] = i & 1 ? ent->maxs[0] : ent->mins[0];
722 p[1] = i & 2 ? ent->maxs[1] : ent->mins[1];
723 p[2] = i & 4 ? ent->maxs[2] : ent->mins[2];
724 VectorSubtract(p, lightorigin, temp);
725 dist = projectdistance / sqrt(DotProduct(temp, temp));
726 VectorMA(p, dist, temp, p2);
727 if (mins[0] > p2[0]) mins[0] = p2[0];if (maxs[0] < p2[0]) maxs[0] = p2[0];
728 if (mins[1] > p2[1]) mins[1] = p2[1];if (maxs[1] < p2[1]) maxs[1] = p2[1];
729 if (mins[2] > p2[2]) mins[2] = p2[2];if (maxs[2] < p2[2]) maxs[2] = p2[2];
731 if (mins[0] < clipmaxs[0] && maxs[0] > clipmins[0]
732 && mins[1] < clipmaxs[1] && maxs[1] > clipmins[1]
733 && mins[2] < clipmaxs[2] && maxs[2] > clipmins[2]
734 && !LightAndVis_CullBox(mins, maxs))
736 Matrix4x4_Transform(&ent->inversematrix, lightorigin, relativelightorigin);
737 ent->model->DrawShadowVolume (ent, relativelightorigin, lightradius);
744 void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, worldlight_t *light);
746 #define SHADOWSPHERE_SEGMENTS 16
748 shadowmesh_t *shadowsphere;
749 void R_CreateShadowSphere(void)
752 vec3_t angles, angles2, angles3, angles4;
754 shadowsphere = Mod_ShadowMesh_Begin(zonemempool, SHADOWSPHERE_SEGMENTS * SHADOWSPHERE_SEGMENTS / 2);
755 for (i = 0;i < SHADOWSPHERE_SEGMENTS / 2;i++)
757 for (j = 0;j < SHADOWSPHERE_SEGMENTS;j++)
759 angles[0] = (i * 360.0f / SHADOWSPHERE_SEGMENTS) + 90.0f;
760 angles[1] = j * 360.0f / SHADOWSPHERE_SEGMENTS;
762 VectorCopy(angles, angles2);
763 VectorCopy(angles, angles3);
764 VectorCopy(angles, angles4);
765 angles2[1] += 360.0f / SHADOWSPHERE_SEGMENTS;
766 angles3[0] += 360.0f / SHADOWSPHERE_SEGMENTS;
767 angles3[1] += 360.0f / SHADOWSPHERE_SEGMENTS;
768 angles4[0] += 360.0f / SHADOWSPHERE_SEGMENTS;
769 AngleVectorsFLU(angles, verts, NULL, NULL);
770 AngleVectorsFLU(angles2, verts + 9, NULL, NULL);
771 AngleVectorsFLU(angles3, verts + 6, NULL, NULL);
772 AngleVectorsFLU(angles4, verts + 3, NULL, NULL);
773 VectorScale(&verts[0], 1.0f, &verts[0]);
774 VectorScale(&verts[3], 1.0f, &verts[3]);
775 VectorScale(&verts[6], 1.0f, &verts[6]);
776 VectorScale(&verts[9], 1.0f, &verts[9]);
777 Mod_ShadowMesh_AddPolygon(zonemempool, shadowsphere, 4, verts);
780 shadowsphere = Mod_ShadowMesh_Finish(zonemempool, shadowsphere);
784 void R_DrawShadowSphere(vec3_t origin, float cullradius, float lightradius)
789 R_CreateShadowSphere();
790 Matrix4x4_CreateScale(&matrix, lightradius);
791 Matrix4x4_ConcatTranslate(&matrix, origin[0], origin[1], origin[2]);
792 R_Mesh_Matrix(&matrix);
793 for (mesh = shadowsphere;mesh;mesh = mesh->next)
795 memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
796 R_Shadow_RenderVolume(mesh->numverts, mesh->numtriangles, mesh->elements);
798 Matrix4x4_CreateScale(&matrix, -cullradius);
799 Matrix4x4_ConcatTranslate(&matrix, origin[0], origin[1], origin[2]);
800 R_Mesh_Matrix(&matrix);
801 for (mesh = shadowsphere;mesh;mesh = mesh->next)
803 memcpy(varray_vertex, mesh->verts, mesh->numverts * sizeof(float[4]));
804 R_Shadow_RenderVolume(mesh->numverts, mesh->numtriangles, mesh->elements);
808 extern void R_Model_Brush_DrawLightForSurfaceList(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, msurface_t **surflist, int numsurfaces);
809 void R_ShadowVolumeLighting (int visiblevolumes)
812 entity_render_t *ent;
814 float f, lightradius, cullradius;
815 vec3_t relativelightorigin, relativeeyeorigin, lightcolor, clipmins, clipmaxs;
824 memset(&m, 0, sizeof(m));
825 m.blendfunc1 = GL_ONE;
826 m.blendfunc2 = GL_ONE;
828 GL_Color(0.0 * r_colorscale, 0.0125 * r_colorscale, 0.1 * r_colorscale, 1);
831 R_Shadow_Stage_Begin();
833 for (lnum = 0, wl = r_shadow_worldlightchain;wl;wl = wl->next, lnum++)
835 if (d_lightstylevalue[wl->style] <= 0)
837 cullradius = wl->cullradius;
838 lightradius = wl->lightradius;
839 if (R_CullSphere(wl->origin, lightradius))
841 //if (R_CullBox(wl->mins, wl->maxs) || R_CullSphere(wl->origin, lightradius))
843 //if (VIS_CullBox(wl->mins, wl->maxs) || VIS_CullSphere(wl->origin, lightradius))
845 if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
848 for (i = 0;i < wl->numleafs;i++)
849 if (wl->leafs[i]->visframe == r_framecount)
851 if (i == wl->numleafs)
854 VectorCopy(leaf->mins, clipmins);
855 VectorCopy(leaf->maxs, clipmaxs);
856 for (i = 0;i < wl->numleafs;i++)
859 if (leaf->visframe == r_framecount)
861 if (clipmins[0] > leaf->mins[0]) clipmins[0] = leaf->mins[0];
862 if (clipmaxs[0] < leaf->maxs[0]) clipmaxs[0] = leaf->maxs[0];
863 if (clipmins[1] > leaf->mins[1]) clipmins[1] = leaf->mins[1];
864 if (clipmaxs[1] < leaf->maxs[1]) clipmaxs[1] = leaf->maxs[1];
865 if (clipmins[2] > leaf->mins[2]) clipmins[2] = leaf->mins[2];
866 if (clipmaxs[2] < leaf->maxs[2]) clipmaxs[2] = leaf->maxs[2];
869 if (clipmins[0] < wl->mins[0]) clipmins[0] = wl->mins[0];
870 if (clipmins[1] < wl->mins[1]) clipmins[1] = wl->mins[1];
871 if (clipmins[2] < wl->mins[2]) clipmins[2] = wl->mins[2];
872 if (clipmaxs[0] > wl->maxs[0]) clipmaxs[0] = wl->maxs[0];
873 if (clipmaxs[1] > wl->maxs[1]) clipmaxs[1] = wl->maxs[1];
874 if (clipmaxs[2] > wl->maxs[2]) clipmaxs[2] = wl->maxs[2];
876 if (R_Shadow_ScissorForBBoxAndSphere(clipmins, clipmaxs, wl->origin, wl->cullradius))
879 // mark the leafs we care about so only things in those leafs will matter
880 for (i = 0;i < wl->numleafs;i++)
881 wl->leafs[i]->worldnodeframe = shadowframecount;
884 f = d_lightstylevalue[wl->style] * (1.0f / 256.0f);
885 VectorScale(wl->light, f, lightcolor);
888 f = 2 + sin(realtime * M_PI * 4.0);
889 VectorScale(lightcolor, f, lightcolor);
893 R_Shadow_Stage_ShadowVolumes();
894 ent = &cl_entities[0].render;
895 if (wl->shadowvolume && r_staticworldlights.integer)
896 R_Shadow_DrawWorldLightShadowVolume(&ent->matrix, wl);
898 R_TestAndDrawShadowVolume(ent, wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
899 if (r_drawentities.integer)
901 for (i = 0;i < r_refdef.numentities;i++)
903 ent = r_refdef.entities[i];
904 if (ent->maxs[0] >= wl->mins[0] && ent->mins[0] <= wl->maxs[0]
905 && ent->maxs[1] >= wl->mins[1] && ent->mins[1] <= wl->maxs[1]
906 && ent->maxs[2] >= wl->mins[2] && ent->mins[2] <= wl->maxs[2]
907 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
908 R_TestAndDrawShadowVolume(r_refdef.entities[i], wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
914 R_Shadow_Stage_Light();
915 ent = &cl_entities[0].render;
916 if (ent->model && ent->model->DrawLight)
918 Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
919 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
921 R_Model_Brush_DrawLightForSurfaceList(ent, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, wl->surfaces, wl->numsurfaces);
923 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
925 if (r_drawentities.integer)
927 for (i = 0;i < r_refdef.numentities;i++)
929 ent = r_refdef.entities[i];
930 if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
931 && ent->maxs[0] >= wl->mins[0] && ent->mins[0] <= wl->maxs[0]
932 && ent->maxs[1] >= wl->mins[1] && ent->mins[1] <= wl->maxs[1]
933 && ent->maxs[2] >= wl->mins[2] && ent->mins[2] <= wl->maxs[2]
934 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
936 Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
937 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
938 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
943 if (R_Shadow_Stage_EraseShadowVolumes())
945 ent = &cl_entities[0].render;
946 if (wl->shadowvolume && r_staticworldlights.integer)
947 R_Shadow_DrawWorldLightShadowVolume(&ent->matrix, wl);
949 R_TestAndDrawShadowVolume(ent, wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
950 if (r_drawentities.integer)
952 for (i = 0;i < r_refdef.numentities;i++)
954 ent = r_refdef.entities[i];
955 if (ent->maxs[0] >= wl->mins[0] && ent->mins[0] <= wl->maxs[0]
956 && ent->maxs[1] >= wl->mins[1] && ent->mins[1] <= wl->maxs[1]
957 && ent->maxs[2] >= wl->mins[2] && ent->mins[2] <= wl->maxs[2]
958 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
959 R_TestAndDrawShadowVolume(r_refdef.entities[i], wl->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
966 for (lnum = 0, sl = cl.worldmodel->lights;lnum < cl.worldmodel->numlights;lnum++, sl++)
968 if (d_lightstylevalue[sl->style] <= 0)
970 if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
972 cullradius = sl->cullradius;
973 lightradius = sl->lightradius;
974 if (VIS_CullBox(sl->mins, sl->maxs) || VIS_CullSphere(sl->origin, lightradius))
977 f = d_lightstylevalue[sl->style] * (1.0f / 32768.0f);
978 VectorScale(sl->light, f, lightcolor);
981 R_Shadow_Stage_ShadowVolumes();
982 if (sl->shadowvolume && r_staticworldlights.integer)
983 R_DrawWorldLightShadowVolume(&cl_entities[0].render.matrix, sl->shadowvolume);
985 R_TestAndDrawShadowVolume(&cl_entities[0].render, sl->origin, cullradius, lightradius);
986 if (r_drawentities.integer)
988 for (i = 0;i < r_refdef.numentities;i++)
990 ent = r_refdef.entities[i];
991 if (ent->maxs[0] >= sl->mins[0] && ent->mins[0] <= sl->maxs[0]
992 && ent->maxs[1] >= sl->mins[1] && ent->mins[1] <= sl->maxs[1]
993 && ent->maxs[2] >= sl->mins[2] && ent->mins[2] <= sl->maxs[2]
994 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
995 R_TestAndDrawShadowVolume(r_refdef.entities[i], sl->origin, cullradius, lightradius);
1001 R_Shadow_Stage_Light();
1002 ent = &cl_entities[0].render;
1003 if (ent->model && ent->model->DrawLight)
1005 Matrix4x4_Transform(&ent->inversematrix, sl->origin, relativelightorigin);
1006 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
1007 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius, sl->distbias, sl->subtract, lightcolor);
1009 if (r_drawentities.integer)
1011 for (i = 0;i < r_refdef.numentities;i++)
1013 ent = r_refdef.entities[i];
1014 if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
1015 && ent->maxs[0] >= sl->mins[0] && ent->mins[0] <= sl->maxs[0]
1016 && ent->maxs[1] >= sl->mins[1] && ent->mins[1] <= sl->maxs[1]
1017 && ent->maxs[2] >= sl->mins[2] && ent->mins[2] <= sl->maxs[2]
1018 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
1020 Matrix4x4_Transform(&ent->inversematrix, sl->origin, relativelightorigin);
1021 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
1022 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius, sl->distbias, sl->subtract, lightcolor);
1027 R_Shadow_Stage_EraseShadowVolumes();
1028 if (sl->shadowvolume && r_staticworldlights.integer)
1029 R_DrawWorldLightShadowVolume(&cl_entities[0].render.matrix, sl->shadowvolume);
1031 R_TestAndDrawShadowVolume(&cl_entities[0].render, sl->origin, cullradius, lightradius);
1032 if (r_drawentities.integer)
1034 for (i = 0;i < r_refdef.numentities;i++)
1036 ent = r_refdef.entities[i];
1037 if (ent->maxs[0] >= sl->mins[0] && ent->mins[0] <= sl->maxs[0]
1038 && ent->maxs[1] >= sl->mins[1] && ent->mins[1] <= sl->maxs[1]
1039 && ent->maxs[2] >= sl->mins[2] && ent->mins[2] <= sl->maxs[2]
1040 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
1041 R_TestAndDrawShadowVolume(r_refdef.entities[i], sl->origin, cullradius, lightradius);
1047 for (lnum = 0, rd = r_dlight;lnum < r_numdlights;lnum++, rd++)
1049 cullradius = rd->cullradius;
1050 lightradius = rd->cullradius;
1051 if (VIS_CullSphere(rd->origin, lightradius))
1054 VectorScale(rd->light, (1.0f / 8192.0f), lightcolor);
1055 clipmins[0] = rd->origin[0] - cullradius;
1056 clipmins[1] = rd->origin[1] - cullradius;
1057 clipmins[2] = rd->origin[2] - cullradius;
1058 clipmaxs[0] = rd->origin[0] + cullradius;
1059 clipmaxs[1] = rd->origin[1] + cullradius;
1060 clipmaxs[2] = rd->origin[2] + cullradius;
1062 if (R_Shadow_ScissorForBBoxAndSphere(clipmins, clipmaxs, rd->origin, rd->cullradius))
1065 if (!visiblevolumes)
1066 R_Shadow_Stage_ShadowVolumes();
1067 ent = &cl_entities[0].render;
1068 R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
1069 if (r_drawentities.integer)
1071 for (i = 0;i < r_refdef.numentities;i++)
1073 ent = r_refdef.entities[i];
1074 if (ent != rd->ent && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
1075 R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
1079 if (!visiblevolumes)
1081 R_Shadow_Stage_Light();
1082 ent = &cl_entities[0].render;
1083 if (ent->model && ent->model->DrawLight)
1085 Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
1086 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
1087 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
1089 if (r_drawentities.integer)
1091 for (i = 0;i < r_refdef.numentities;i++)
1093 ent = r_refdef.entities[i];
1094 if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
1095 && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
1097 Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
1098 Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
1099 ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor);
1104 if (R_Shadow_Stage_EraseShadowVolumes())
1106 ent = &cl_entities[0].render;
1107 R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
1108 if (r_drawentities.integer)
1110 for (i = 0;i < r_refdef.numentities;i++)
1112 ent = r_refdef.entities[i];
1113 if (ent != rd->ent && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
1114 R_TestAndDrawShadowVolume(ent, rd->origin, cullradius / ent->scale, lightradius / ent->scale, clipmins, clipmaxs);
1121 if (!visiblevolumes)
1122 R_Shadow_Stage_End();
1123 qglDisable(GL_SCISSOR_TEST);
1126 static void R_SetFrustum (void)
1130 // LordHavoc: note to all quake engine coders, the special case for 90
1131 // degrees assumed a square view (wrong), so I removed it, Quake2 has it
1132 // disabled as well.
1133 // rotate VPN right by FOV_X/2 degrees
1134 RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
1135 // rotate VPN left by FOV_X/2 degrees
1136 RotatePointAroundVector( frustum[1].normal, vup, vpn, 90-r_refdef.fov_x / 2 );
1137 // rotate VPN up by FOV_X/2 degrees
1138 RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
1139 // rotate VPN down by FOV_X/2 degrees
1140 RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
1142 for (i = 0;i < 4;i++)
1144 frustum[i].type = PLANE_ANYZ;
1145 frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
1146 PlaneClassify(&frustum[i]);
1155 static void R_SetupFrame (void)
1157 // don't allow cheats in multiplayer
1158 if (cl.maxclients > 1)
1160 if (r_fullbright.integer != 0)
1161 Cvar_Set ("r_fullbright", "0");
1162 if (r_ambient.value != 0)
1163 Cvar_Set ("r_ambient", "0");
1168 // build the transformation matrix for the given view angles
1169 VectorCopy (r_refdef.vieworg, r_origin);
1171 AngleVectors (r_refdef.viewangles, vpn, vright, vup);
1177 static void R_BlendView(void)
1182 if (r_refdef.viewblend[3] < 0.01f)
1185 memset(&m, 0, sizeof(m));
1186 m.blendfunc1 = GL_SRC_ALPHA;
1187 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1188 m.depthdisable = true; // magic
1189 R_Mesh_Matrix(&r_identitymatrix);
1193 varray_vertex[0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
1194 varray_vertex[1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
1195 varray_vertex[2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
1197 varray_vertex[4] = varray_vertex[0] + vup[0] * r;
1198 varray_vertex[5] = varray_vertex[1] + vup[1] * r;
1199 varray_vertex[6] = varray_vertex[2] + vup[2] * r;
1200 varray_vertex[8] = varray_vertex[0] + vright[0] * r;
1201 varray_vertex[9] = varray_vertex[1] + vright[1] * r;
1202 varray_vertex[10] = varray_vertex[2] + vright[2] * r;
1203 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
1204 R_Mesh_Draw(3, 1, polygonelements);
1211 r_refdef must be set before the first call
1214 void R_RenderView (void)
1216 entity_render_t *world;
1217 if (!r_refdef.entities/* || !cl.worldmodel*/)
1218 return; //Host_Error ("R_RenderView: NULL worldmodel");
1220 if (r_shadow_realtime.integer == 1)
1222 if (!gl_texturecubemap)
1224 Con_Printf("Cubemap texture support not detected, turning off r_shadow_realtime\n");
1225 Cvar_SetValueQuick(&r_shadow_realtime, 0);
1227 else if (!gl_dot3arb)
1229 Con_Printf("Bumpmapping support not detected, turning off r_shadow_realtime\n");
1230 Cvar_SetValueQuick(&r_shadow_realtime, 0);
1232 else if (!gl_stencil)
1234 Con_Printf("Stencil not enabled, turning off r_shadow_realtime, please type vid_stencil 1;vid_restart and try again\n");
1235 Cvar_SetValueQuick(&r_shadow_realtime, 0);
1237 else if (!gl_combine.integer)
1239 Con_Printf("Combine disabled, please turn on gl_combine, turning off r_shadow_realtime\n");
1240 Cvar_SetValueQuick(&r_shadow_realtime, 0);
1244 R_Shadow_UpdateLightingMode();
1246 world = &cl_entities[0].render;
1248 // FIXME: move to client
1250 R_TimeReport("mexplosion");
1258 R_TimeReport("setup");
1260 R_WorldVisibility(world);
1261 R_TimeReport("worldvis");
1263 R_FarClip_Start(r_origin, vpn, 768.0f);
1265 r_farclip = R_FarClip_Finish() + 256.0f;
1266 R_TimeReport("markentity");
1268 GL_SetupView_ViewPort(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
1269 if (r_shadow_lightingmode > 0)
1270 GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_refdef.fov_x, r_refdef.fov_y, 1.0f);
1272 GL_SetupView_Mode_Perspective(r_refdef.fov_x, r_refdef.fov_y, 1.0f, r_farclip);
1273 GL_SetupView_Orientation_FromEntity (r_refdef.vieworg, r_refdef.viewangles);
1274 qglDepthFunc(GL_LEQUAL);
1277 R_MeshQueue_BeginScene();
1279 if (r_shadow_lightingmode)
1280 R_Shadow_UpdateWorldLightSelection();
1282 if (R_DrawBrushModelsSky())
1283 R_TimeReport("bmodelsky");
1285 // must occur early because it can draw sky
1287 R_TimeReport("world");
1289 // don't let sound skip if going slow
1290 if (!intimerefresh && !r_speeds.integer)
1293 R_DrawModels(r_shadow_lightingmode > 0);
1294 R_TimeReport("models");
1296 if (r_shadows.integer == 1)
1298 R_DrawFakeShadows();
1299 R_TimeReport("fakeshadow");
1302 if (r_shadow_lightingmode > 0)
1304 R_ShadowVolumeLighting(false);
1305 R_TimeReport("dynlight");
1309 R_TimeReport("particles");
1312 R_TimeReport("explosions");
1314 R_MeshQueue_RenderTransparent();
1315 R_TimeReport("drawtrans");
1318 R_TimeReport("coronas");
1320 R_DrawWorldCrosshair();
1321 R_TimeReport("crosshair");
1324 R_TimeReport("blendview");
1326 R_MeshQueue_Render();
1327 R_MeshQueue_EndScene();
1328 if (r_shadow_realtime.integer == 2)
1330 R_ShadowVolumeLighting(true);
1331 R_TimeReport("shadowvolume");
1334 R_TimeReport("meshfinish");
1338 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
1341 float *v, *c, f1, f2, diff[3];
1343 m.blendfunc1 = GL_SRC_ALPHA;
1344 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1345 R_Mesh_Matrix(&r_identitymatrix);
1348 varray_vertex[ 0] = mins[0];varray_vertex[ 1] = mins[1];varray_vertex[ 2] = mins[2];
1349 varray_vertex[ 4] = maxs[0];varray_vertex[ 5] = mins[1];varray_vertex[ 6] = mins[2];
1350 varray_vertex[ 8] = mins[0];varray_vertex[ 9] = maxs[1];varray_vertex[10] = mins[2];
1351 varray_vertex[12] = maxs[0];varray_vertex[13] = maxs[1];varray_vertex[14] = mins[2];
1352 varray_vertex[16] = mins[0];varray_vertex[17] = mins[1];varray_vertex[18] = maxs[2];
1353 varray_vertex[20] = maxs[0];varray_vertex[21] = mins[1];varray_vertex[22] = maxs[2];
1354 varray_vertex[24] = mins[0];varray_vertex[25] = maxs[1];varray_vertex[26] = maxs[2];
1355 varray_vertex[28] = maxs[0];varray_vertex[29] = maxs[1];varray_vertex[30] = maxs[2];
1356 R_FillColors(varray_color, 8, cr * r_colorscale, cg * r_colorscale, cb * r_colorscale, ca);
1359 for (i = 0, v = varray_vertex, c = varray_color;i < 8;i++, v += 4, c += 4)
1361 VectorSubtract(v, r_origin, diff);
1362 f2 = exp(fogdensity/DotProduct(diff, diff));
1365 c[0] = c[0] * f1 + fogcolor[0] * f2;
1366 c[1] = c[1] * f1 + fogcolor[1] * f2;
1367 c[2] = c[2] * f1 + fogcolor[2] * f2;
1375 void R_DrawNoModelCallback(const void *calldata1, int calldata2)
1377 const entity_render_t *ent = calldata1;
1379 float f1, f2, *c, diff[3];
1381 memset(&m, 0, sizeof(m));
1382 if (ent->flags & EF_ADDITIVE)
1384 m.blendfunc1 = GL_SRC_ALPHA;
1385 m.blendfunc2 = GL_ONE;
1387 else if (ent->alpha < 1)
1389 m.blendfunc1 = GL_SRC_ALPHA;
1390 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
1394 m.blendfunc1 = GL_ONE;
1395 m.blendfunc2 = GL_ZERO;
1397 R_Mesh_Matrix(&ent->matrix);
1400 element[ 0] = 5;element[ 1] = 2;element[ 2] = 0;
1401 element[ 3] = 5;element[ 4] = 1;element[ 5] = 2;
1402 element[ 6] = 5;element[ 7] = 0;element[ 8] = 3;
1403 element[ 9] = 5;element[10] = 3;element[11] = 1;
1404 element[12] = 0;element[13] = 2;element[14] = 4;
1405 element[15] = 2;element[16] = 1;element[17] = 4;
1406 element[18] = 3;element[19] = 0;element[20] = 4;
1407 element[21] = 1;element[22] = 3;element[23] = 4;
1408 varray_vertex[ 0] = -16;varray_vertex[ 1] = 0;varray_vertex[ 2] = 0;
1409 varray_vertex[ 4] = 16;varray_vertex[ 5] = 0;varray_vertex[ 6] = 0;
1410 varray_vertex[ 8] = 0;varray_vertex[ 9] = -16;varray_vertex[10] = 0;
1411 varray_vertex[12] = 0;varray_vertex[13] = 16;varray_vertex[14] = 0;
1412 varray_vertex[16] = 0;varray_vertex[17] = 0;varray_vertex[18] = -16;
1413 varray_vertex[20] = 0;varray_vertex[21] = 0;varray_vertex[22] = 16;
1414 varray_color[ 0] = 0.00f * r_colorscale;varray_color[ 1] = 0.00f * r_colorscale;varray_color[ 2] = 0.50f * r_colorscale;varray_color[ 3] = ent->alpha;
1415 varray_color[ 4] = 0.00f * r_colorscale;varray_color[ 5] = 0.00f * r_colorscale;varray_color[ 6] = 0.50f * r_colorscale;varray_color[ 7] = ent->alpha;
1416 varray_color[ 8] = 0.00f * r_colorscale;varray_color[ 9] = 0.50f * r_colorscale;varray_color[10] = 0.00f * r_colorscale;varray_color[11] = ent->alpha;
1417 varray_color[12] = 0.00f * r_colorscale;varray_color[13] = 0.50f * r_colorscale;varray_color[14] = 0.00f * r_colorscale;varray_color[15] = ent->alpha;
1418 varray_color[16] = 0.50f * r_colorscale;varray_color[17] = 0.00f * r_colorscale;varray_color[18] = 0.00f * r_colorscale;varray_color[19] = ent->alpha;
1419 varray_color[20] = 0.50f * r_colorscale;varray_color[21] = 0.00f * r_colorscale;varray_color[22] = 0.00f * r_colorscale;varray_color[23] = ent->alpha;
1422 VectorSubtract(ent->origin, r_origin, diff);
1423 f2 = exp(fogdensity/DotProduct(diff, diff));
1425 for (i = 0, c = varray_color;i < 6;i++, c += 4)
1427 c[0] = (c[0] * f1 + fogcolor[0] * f2) * r_colorscale;
1428 c[1] = (c[1] * f1 + fogcolor[1] * f2) * r_colorscale;
1429 c[2] = (c[2] * f1 + fogcolor[2] * f2) * r_colorscale;
1434 for (i = 0, c = varray_color;i < 6;i++, c += 4)
1436 c[0] *= r_colorscale;
1437 c[1] *= r_colorscale;
1438 c[2] *= r_colorscale;
1442 R_Mesh_Draw(6, 8, element);
1445 void R_DrawNoModel(entity_render_t *ent)
1447 //if ((ent->effects & EF_ADDITIVE) || (ent->alpha < 1))
1448 R_MeshQueue_AddTransparent(ent->origin, R_DrawNoModelCallback, ent, 0);
1450 // R_DrawNoModelCallback(ent, 0);
1453 void R_CalcBeamVerts (float *vert, vec3_t org1, vec3_t org2, float width)
1455 vec3_t right1, right2, diff, normal;
1457 VectorSubtract (org2, org1, normal);
1458 VectorNormalizeFast (normal);
1460 // calculate 'right' vector for start
1461 VectorSubtract (r_origin, org1, diff);
1462 VectorNormalizeFast (diff);
1463 CrossProduct (normal, diff, right1);
1465 // calculate 'right' vector for end
1466 VectorSubtract (r_origin, org2, diff);
1467 VectorNormalizeFast (diff);
1468 CrossProduct (normal, diff, right2);
1470 vert[ 0] = org1[0] + width * right1[0];
1471 vert[ 1] = org1[1] + width * right1[1];
1472 vert[ 2] = org1[2] + width * right1[2];
1473 vert[ 4] = org1[0] - width * right1[0];
1474 vert[ 5] = org1[1] - width * right1[1];
1475 vert[ 6] = org1[2] - width * right1[2];
1476 vert[ 8] = org2[0] - width * right2[0];
1477 vert[ 9] = org2[1] - width * right2[1];
1478 vert[10] = org2[2] - width * right2[2];
1479 vert[12] = org2[0] + width * right2[0];
1480 vert[13] = org2[1] + width * right2[1];
1481 vert[14] = org2[2] + width * right2[2];