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_speeds = {0, "r_speeds","0"};
56 cvar_t r_fullbright = {0, "r_fullbright","0"};
57 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
58 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
59 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
61 cvar_t gl_fogenable = {0, "gl_fogenable", "0"};
62 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25"};
63 cvar_t gl_fogred = {0, "gl_fogred","0.3"};
64 cvar_t gl_foggreen = {0, "gl_foggreen","0.3"};
65 cvar_t gl_fogblue = {0, "gl_fogblue","0.3"};
66 cvar_t gl_fogstart = {0, "gl_fogstart", "0"};
67 cvar_t gl_fogend = {0, "gl_fogend","0"};
69 cvar_t r_textureunits = {0, "r_textureunits", "32"};
71 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
74 for (i = 0;i < verts;i++)
85 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
88 for (i = 0;i < verts;i++)
102 For program optimization
105 qboolean intimerefresh = 0;
106 static void R_TimeRefresh_f (void)
109 float start, stop, time;
112 start = Sys_DoubleTime ();
113 for (i = 0;i < 128;i++)
115 r_refdef.viewangles[0] = 0;
116 r_refdef.viewangles[1] = i/128.0*360.0;
117 r_refdef.viewangles[2] = 0;
121 stop = Sys_DoubleTime ();
124 Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
129 float fog_density, fog_red, fog_green, fog_blue;
131 qboolean oldgl_fogenable;
132 void R_SetupFog(void)
134 if (gamemode == GAME_NEHAHRA)
136 if (gl_fogenable.integer)
138 oldgl_fogenable = true;
139 fog_density = gl_fogdensity.value;
140 fog_red = gl_fogred.value;
141 fog_green = gl_foggreen.value;
142 fog_blue = gl_fogblue.value;
144 else if (oldgl_fogenable)
146 oldgl_fogenable = false;
155 fogcolor[0] = fog_red = bound(0.0f, fog_red , 1.0f);
156 fogcolor[1] = fog_green = bound(0.0f, fog_green, 1.0f);
157 fogcolor[2] = fog_blue = bound(0.0f, fog_blue , 1.0f);
162 fogdensity = -4000.0f / (fog_density * fog_density);
163 // fog color was already set
169 // FIXME: move this to client?
172 if (gamemode == GAME_NEHAHRA)
174 Cvar_Set("gl_fogenable", "0");
175 Cvar_Set("gl_fogdensity", "0.2");
176 Cvar_Set("gl_fogred", "0.3");
177 Cvar_Set("gl_foggreen", "0.3");
178 Cvar_Set("gl_fogblue", "0.3");
180 fog_density = fog_red = fog_green = fog_blue = 0.0f;
183 // FIXME: move this to client?
184 void FOG_registercvars(void)
186 if (gamemode == GAME_NEHAHRA)
188 Cvar_RegisterVariable (&gl_fogenable);
189 Cvar_RegisterVariable (&gl_fogdensity);
190 Cvar_RegisterVariable (&gl_fogred);
191 Cvar_RegisterVariable (&gl_foggreen);
192 Cvar_RegisterVariable (&gl_fogblue);
193 Cvar_RegisterVariable (&gl_fogstart);
194 Cvar_RegisterVariable (&gl_fogend);
198 void gl_main_start(void)
202 void gl_main_shutdown(void)
206 extern void CL_ParseEntityLump(char *entitystring);
207 void gl_main_newmap(void)
209 if (cl.worldmodel && cl.worldmodel->entities)
210 CL_ParseEntityLump(cl.worldmodel->entities);
214 void GL_Main_Init(void)
216 Matrix4x4_CreateIdentity(&r_identitymatrix);
217 // FIXME: move this to client?
219 Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
220 Cvar_RegisterVariable (&r_drawentities);
221 Cvar_RegisterVariable (&r_drawviewmodel);
222 Cvar_RegisterVariable (&r_shadows);
223 Cvar_RegisterVariable (&r_speeds);
224 Cvar_RegisterVariable (&r_fullbrights);
225 Cvar_RegisterVariable (&r_wateralpha);
226 Cvar_RegisterVariable (&r_dynamic);
227 Cvar_RegisterVariable (&r_fullbright);
228 Cvar_RegisterVariable (&r_textureunits);
229 if (gamemode == GAME_NEHAHRA)
230 Cvar_SetValue("r_fullbrights", 0);
231 R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
234 vec3_t r_farclip_origin;
235 vec3_t r_farclip_direction;
236 vec_t r_farclip_directiondist;
237 vec_t r_farclip_meshfarclip;
238 int r_farclip_directionbit0;
239 int r_farclip_directionbit1;
240 int r_farclip_directionbit2;
242 // start a farclip measuring session
243 void R_FarClip_Start(vec3_t origin, vec3_t direction, vec_t startfarclip)
245 VectorCopy(origin, r_farclip_origin);
246 VectorCopy(direction, r_farclip_direction);
247 r_farclip_directiondist = DotProduct(r_farclip_origin, r_farclip_direction);
248 r_farclip_directionbit0 = r_farclip_direction[0] < 0;
249 r_farclip_directionbit1 = r_farclip_direction[1] < 0;
250 r_farclip_directionbit2 = r_farclip_direction[2] < 0;
251 r_farclip_meshfarclip = r_farclip_directiondist + startfarclip;
254 // enlarge farclip to accomodate box
255 void R_FarClip_Box(vec3_t mins, vec3_t maxs)
258 d = (r_farclip_directionbit0 ? mins[0] : maxs[0]) * r_farclip_direction[0]
259 + (r_farclip_directionbit1 ? mins[1] : maxs[1]) * r_farclip_direction[1]
260 + (r_farclip_directionbit2 ? mins[2] : maxs[2]) * r_farclip_direction[2];
261 if (r_farclip_meshfarclip < d)
262 r_farclip_meshfarclip = d;
265 // return farclip value
266 float R_FarClip_Finish(void)
268 return r_farclip_meshfarclip - r_farclip_directiondist;
281 extern void R_Textures_Init(void);
282 extern void Mod_RenderInit(void);
283 extern void GL_Draw_Init(void);
284 extern void GL_Main_Init(void);
285 extern void R_Shadow_Init(void);
286 extern void GL_Models_Init(void);
287 extern void R_Sky_Init(void);
288 extern void GL_Surf_Init(void);
289 extern void R_Crosshairs_Init(void);
290 extern void R_Light_Init(void);
291 extern void R_Particles_Init(void);
292 extern void R_Explosion_Init(void);
293 extern void ui_init(void);
294 extern void gl_backend_init(void);
295 extern void Sbar_Init(void);
297 void Render_Init(void)
322 extern char *ENGINE_EXTENSIONS;
325 VID_CheckExtensions();
327 // LordHavoc: report supported extensions
328 Con_Printf ("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
331 int R_CullBox(const vec3_t emins, const vec3_t emaxs)
335 for (i = 0;i < 4;i++)
342 if (p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2] < p->dist)
346 if (p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2] < p->dist)
350 if (p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2] < p->dist)
354 if (p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2] < p->dist)
358 if (p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2] < p->dist)
362 if (p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2] < p->dist)
366 if (p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2] < p->dist)
370 if (p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2] < p->dist)
378 int R_NotCulledBox(const vec3_t emins, const vec3_t emaxs)
382 for (i = 0;i < 4;i++)
389 if (p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2] < p->dist)
393 if (p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2] < p->dist)
397 if (p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2] < p->dist)
401 if (p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2] < p->dist)
405 if (p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2] < p->dist)
409 if (p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2] < p->dist)
413 if (p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2] < p->dist)
417 if (p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2] < p->dist)
426 //==================================================================================
428 static void R_MarkEntities (void)
432 entity_render_t *ent;
434 ent = &cl_entities[0].render;
435 Matrix4x4_CreateIdentity(&ent->matrix);
436 Matrix4x4_CreateIdentity(&ent->inversematrix);
439 R_FarClip_Box(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
441 if (!r_drawentities.integer)
444 for (i = 0;i < r_refdef.numentities;i++)
446 ent = r_refdef.entities[i];
447 Mod_CheckLoaded(ent->model);
449 // move view-relative models to where they should be
450 if (ent->flags & RENDER_VIEWMODEL)
452 // remove flag so it will not be repeated incase RelinkEntities is not called again for a while
453 ent->flags -= RENDER_VIEWMODEL;
455 VectorCopy(ent->origin, v);
456 ent->origin[0] = v[0] * vpn[0] + v[1] * vright[0] + v[2] * vup[0] + r_origin[0];
457 ent->origin[1] = v[0] * vpn[1] + v[1] * vright[1] + v[2] * vup[1] + r_origin[1];
458 ent->origin[2] = v[0] * vpn[2] + v[1] * vright[2] + v[2] * vup[2] + r_origin[2];
460 VectorAdd(ent->angles, r_refdef.viewangles, ent->angles);
463 ent->visframe = r_framecount;
464 VectorCopy(ent->angles, v);
465 if (!ent->model || ent->model->type != mod_brush)
467 Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], v[0], v[1], v[2], ent->scale);
468 Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
469 R_LerpAnimation(ent);
470 R_UpdateEntLights(ent);
471 if (R_CullBox(ent->mins, ent->maxs))
473 R_FarClip_Box(ent->mins, ent->maxs);
477 // only used if skyrendermasked, and normally returns false
478 int R_DrawBrushModelsSky (void)
481 entity_render_t *ent;
483 if (!r_drawentities.integer)
487 for (i = 0;i < r_refdef.numentities;i++)
489 ent = r_refdef.entities[i];
490 if (ent->visframe == r_framecount && ent->model && ent->model->DrawSky)
492 ent->model->DrawSky(ent);
504 void R_DrawViewModel (void)
506 entity_render_t *ent;
508 // FIXME: move these checks to client
509 if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
512 ent = &cl.viewent.render;
513 Mod_CheckLoaded(ent->model);
514 R_LerpAnimation(ent);
515 Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], -ent->angles[0], ent->angles[1], ent->angles[2], ent->scale);
516 Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
517 R_UpdateEntLights(ent);
518 ent->model->Draw(ent);
521 void R_DrawNoModel(entity_render_t *ent);
522 void R_DrawModels (void)
525 entity_render_t *ent;
527 if (!r_drawentities.integer)
531 for (i = 0;i < r_refdef.numentities;i++)
533 ent = r_refdef.entities[i];
534 if (ent->visframe == r_framecount)
538 if (ent->model->Draw)
539 ent->model->Draw(ent);
547 void R_DrawModelFakeShadows (void)
550 entity_render_t *ent;
552 if (!r_drawentities.integer)
555 for (i = 0;i < r_refdef.numentities;i++)
557 ent = r_refdef.entities[i];
558 if (ent->model && ent->model->DrawFakeShadow)
559 ent->model->DrawFakeShadow(ent);
563 static void R_SetFrustum (void)
567 // LordHavoc: note to all quake engine coders, the special case for 90
568 // degrees assumed a square view (wrong), so I removed it, Quake2 has it
570 // rotate VPN right by FOV_X/2 degrees
571 RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
572 // rotate VPN left by FOV_X/2 degrees
573 RotatePointAroundVector( frustum[1].normal, vup, vpn, 90-r_refdef.fov_x / 2 );
574 // rotate VPN up by FOV_X/2 degrees
575 RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
576 // rotate VPN down by FOV_X/2 degrees
577 RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
579 for (i = 0;i < 4;i++)
581 frustum[i].type = PLANE_ANYZ;
582 frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
583 PlaneClassify(&frustum[i]);
592 static void R_SetupFrame (void)
594 // don't allow cheats in multiplayer
595 if (cl.maxclients > 1)
597 if (r_fullbright.integer != 0)
598 Cvar_Set ("r_fullbright", "0");
599 if (r_ambient.value != 0)
600 Cvar_Set ("r_ambient", "0");
605 // build the transformation matrix for the given view angles
606 VectorCopy (r_refdef.vieworg, r_origin);
608 AngleVectors (r_refdef.viewangles, vpn, vright, vup);
614 static void R_BlendView(void)
619 if (r_refdef.viewblend[3] < 0.01f)
622 memset(&m, 0, sizeof(m));
623 m.blendfunc1 = GL_SRC_ALPHA;
624 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
625 m.depthdisable = true; // magic
626 R_Mesh_Matrix(&r_identitymatrix);
629 varray_color[0] = varray_color[4] = varray_color[8] = r_refdef.viewblend[0];
630 varray_color[1] = varray_color[5] = varray_color[9] = r_refdef.viewblend[1];
631 varray_color[2] = varray_color[6] = varray_color[10] = r_refdef.viewblend[2];
632 varray_color[3] = varray_color[7] = varray_color[11] = r_refdef.viewblend[3];
634 varray_vertex[0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
635 varray_vertex[1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
636 varray_vertex[2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
638 varray_vertex[4] = varray_vertex[0] + vup[0] * r;
639 varray_vertex[5] = varray_vertex[1] + vup[1] * r;
640 varray_vertex[6] = varray_vertex[2] + vup[2] * r;
641 varray_vertex[8] = varray_vertex[0] + vright[0] * r;
642 varray_vertex[9] = varray_vertex[1] + vright[1] * r;
643 varray_vertex[10] = varray_vertex[2] + vright[2] * r;
644 R_Mesh_Draw(3, 1, polygonelements);
651 r_refdef must be set before the first call
654 void R_RenderView (void)
656 entity_render_t *world;
657 if (!r_refdef.entities/* || !cl.worldmodel*/)
658 return; //Host_Error ("R_RenderView: NULL worldmodel");
660 world = &cl_entities[0].render;
662 // FIXME: move to client
664 R_TimeReport("mexplosion");
672 R_TimeReport("setup");
674 R_FarClip_Start(r_origin, vpn, 768.0f);
676 r_farclip = R_FarClip_Finish() + 256.0f;
677 R_TimeReport("markentity");
679 GL_SetupView_ViewPort(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
680 GL_SetupView_Mode_Perspective((double) r_refdef.height / r_refdef.width, r_refdef.fov_x, r_refdef.fov_y, 1.0f, r_farclip);
681 GL_SetupView_Orientation_FromEntity (r_refdef.vieworg, r_refdef.viewangles);
682 GL_DepthFunc(GL_LEQUAL);
685 R_MeshQueue_BeginScene();
687 if (R_DrawBrushModelsSky())
688 R_TimeReport("bmodelsky");
690 // must occur early because it can draw sky
692 R_TimeReport("world");
694 // don't let sound skip if going slow
695 if (!intimerefresh && !r_speeds.integer)
698 if (r_shadows.integer)
700 R_DrawModelFakeShadows();
701 R_TimeReport("fakeshadows");
705 R_TimeReport("models");
708 R_TimeReport("particles");
711 R_TimeReport("explosions");
713 R_MeshQueue_RenderTransparent();
714 R_TimeReport("drawtrans");
717 R_TimeReport("coronas");
719 R_DrawWorldCrosshair();
720 R_TimeReport("crosshair");
723 R_TimeReport("blendview");
725 R_MeshQueue_Render();
726 R_MeshQueue_EndScene();
728 R_TimeReport("meshfinish");
732 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
735 float *v, *c, f1, f2, diff[3];
737 m.blendfunc1 = GL_SRC_ALPHA;
738 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
739 R_Mesh_Matrix(&r_identitymatrix);
742 varray_vertex[ 0] = mins[0];varray_vertex[ 1] = mins[1];varray_vertex[ 2] = mins[2];
743 varray_vertex[ 4] = maxs[0];varray_vertex[ 5] = mins[1];varray_vertex[ 6] = mins[2];
744 varray_vertex[ 8] = mins[0];varray_vertex[ 9] = maxs[1];varray_vertex[10] = mins[2];
745 varray_vertex[12] = maxs[0];varray_vertex[13] = maxs[1];varray_vertex[14] = mins[2];
746 varray_vertex[16] = mins[0];varray_vertex[17] = mins[1];varray_vertex[18] = maxs[2];
747 varray_vertex[20] = maxs[0];varray_vertex[21] = mins[1];varray_vertex[22] = maxs[2];
748 varray_vertex[24] = mins[0];varray_vertex[25] = maxs[1];varray_vertex[26] = maxs[2];
749 varray_vertex[28] = maxs[0];varray_vertex[29] = maxs[1];varray_vertex[30] = maxs[2];
750 varray_color[ 0] = varray_color[ 4] = varray_color[ 8] = varray_color[12] = varray_color[16] = varray_color[20] = varray_color[24] = varray_color[28] = cr * r_colorscale;
751 varray_color[ 1] = varray_color[ 5] = varray_color[ 9] = varray_color[13] = varray_color[17] = varray_color[21] = varray_color[25] = varray_color[29] = cg * r_colorscale;
752 varray_color[ 2] = varray_color[ 6] = varray_color[10] = varray_color[14] = varray_color[18] = varray_color[22] = varray_color[26] = varray_color[30] = cb * r_colorscale;
753 varray_color[ 3] = varray_color[ 7] = varray_color[11] = varray_color[15] = varray_color[19] = varray_color[23] = varray_color[27] = varray_color[31] = ca;
756 for (i = 0, v = varray_vertex, c = varray_color;i < 8;i++, v += 4, c += 4)
758 VectorSubtract(v, r_origin, diff);
759 f2 = exp(fogdensity/DotProduct(diff, diff));
762 c[0] = c[0] * f1 + fogcolor[0] * f2;
763 c[1] = c[1] * f1 + fogcolor[1] * f2;
764 c[2] = c[2] * f1 + fogcolor[2] * f2;
771 void R_DrawNoModelCallback(const void *calldata1, int calldata2)
773 const entity_render_t *ent = calldata1;
775 float f1, f2, *c, diff[3];
777 memset(&m, 0, sizeof(m));
778 if (ent->flags & EF_ADDITIVE)
780 m.blendfunc1 = GL_SRC_ALPHA;
781 m.blendfunc2 = GL_ONE;
783 else if (ent->alpha < 1)
785 m.blendfunc1 = GL_SRC_ALPHA;
786 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
790 m.blendfunc1 = GL_ONE;
791 m.blendfunc2 = GL_ZERO;
793 R_Mesh_Matrix(&ent->matrix);
796 element[ 0] = 5;element[ 1] = 2;element[ 2] = 0;
797 element[ 3] = 5;element[ 4] = 1;element[ 5] = 2;
798 element[ 6] = 5;element[ 7] = 0;element[ 8] = 3;
799 element[ 9] = 5;element[10] = 3;element[11] = 1;
800 element[12] = 0;element[13] = 2;element[14] = 4;
801 element[15] = 2;element[16] = 1;element[17] = 4;
802 element[18] = 3;element[19] = 0;element[20] = 4;
803 element[21] = 1;element[22] = 3;element[23] = 4;
804 varray_vertex[ 0] = -16;varray_vertex[ 1] = 0;varray_vertex[ 2] = 0;
805 varray_vertex[ 4] = 16;varray_vertex[ 5] = 0;varray_vertex[ 6] = 0;
806 varray_vertex[ 8] = 0;varray_vertex[ 9] = -16;varray_vertex[10] = 0;
807 varray_vertex[12] = 0;varray_vertex[13] = 16;varray_vertex[14] = 0;
808 varray_vertex[16] = 0;varray_vertex[17] = 0;varray_vertex[18] = -16;
809 varray_vertex[20] = 0;varray_vertex[21] = 0;varray_vertex[22] = 16;
810 varray_color[ 0] = 0.00f;varray_color[ 1] = 0.00f;varray_color[ 2] = 0.50f;varray_color[ 3] = ent->alpha;
811 varray_color[ 4] = 0.00f;varray_color[ 5] = 0.00f;varray_color[ 6] = 0.50f;varray_color[ 7] = ent->alpha;
812 varray_color[ 8] = 0.00f;varray_color[ 9] = 0.50f;varray_color[10] = 0.00f;varray_color[11] = ent->alpha;
813 varray_color[12] = 0.00f;varray_color[13] = 0.50f;varray_color[14] = 0.00f;varray_color[15] = ent->alpha;
814 varray_color[16] = 0.50f;varray_color[17] = 0.00f;varray_color[18] = 0.00f;varray_color[19] = ent->alpha;
815 varray_color[20] = 0.50f;varray_color[21] = 0.00f;varray_color[22] = 0.00f;varray_color[23] = ent->alpha;
818 VectorSubtract(ent->origin, r_origin, diff);
819 f2 = exp(fogdensity/DotProduct(diff, diff));
821 for (i = 0, c = varray_color;i < 6;i++, c += 4)
823 c[0] = (c[0] * f1 + fogcolor[0] * f2) * r_colorscale;
824 c[1] = (c[1] * f1 + fogcolor[1] * f2) * r_colorscale;
825 c[2] = (c[2] * f1 + fogcolor[2] * f2) * r_colorscale;
830 for (i = 0, c = varray_color;i < 6;i++, c += 4)
832 c[0] *= r_colorscale;
833 c[1] *= r_colorscale;
834 c[2] *= r_colorscale;
837 R_Mesh_Draw(6, 8, element);
840 void R_DrawNoModel(entity_render_t *ent)
842 //if ((ent->effects & EF_ADDITIVE) || (ent->alpha < 1))
843 R_MeshQueue_AddTransparent(ent->origin, R_DrawNoModelCallback, ent, 0);
845 // R_DrawNoModelCallback(ent, 0);
848 void R_CalcBeamVerts (float *vert, vec3_t org1, vec3_t org2, float width)
850 vec3_t right1, right2, diff, normal;
852 VectorSubtract (org2, org1, normal);
853 VectorNormalizeFast (normal);
855 // calculate 'right' vector for start
856 VectorSubtract (r_origin, org1, diff);
857 VectorNormalizeFast (diff);
858 CrossProduct (normal, diff, right1);
860 // calculate 'right' vector for end
861 VectorSubtract (r_origin, org2, diff);
862 VectorNormalizeFast (diff);
863 CrossProduct (normal, diff, right2);
865 vert[ 0] = org1[0] + width * right1[0];
866 vert[ 1] = org1[1] + width * right1[1];
867 vert[ 2] = org1[2] + width * right1[2];
868 vert[ 4] = org1[0] - width * right1[0];
869 vert[ 5] = org1[1] - width * right1[1];
870 vert[ 6] = org1[2] - width * right1[2];
871 vert[ 8] = org2[0] - width * right2[0];
872 vert[ 9] = org2[1] - width * right2[1];
873 vert[10] = org2[2] - width * right2[2];
874 vert[12] = org2[0] + width * right2[0];
875 vert[13] = org2[1] + width * right2[1];
876 vert[14] = org2[2] + width * right2[2];