#include "quakedef.h"
-entity_render_t *currentrenderentity;
-
// used for dlight push checking and other things
int r_framecount;
+// used for visibility checking
+qbyte r_pvsbits[(MAX_MAP_LEAFS+7)>>3];
+
mplane_t frustum[4];
-int c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
+matrix4x4_t r_identitymatrix;
+
+int c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
// true during envmap command capture
qboolean envmap;
//
refdef_t r_refdef;
-mleaf_t *r_viewleaf, *r_oldviewleaf;
-
// 8.8 fraction of base light value
unsigned short d_lightstylevalue[256];
cvar_t r_drawentities = {0, "r_drawentities","1"};
cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
+cvar_t r_shadow_staticworldlights = {0, "r_shadow_staticworldlights", "1"};
cvar_t r_speeds = {0, "r_speeds","0"};
cvar_t r_fullbright = {0, "r_fullbright","0"};
cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1"};
cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1"};
cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1"};
+cvar_t r_shadow_cull = {0, "r_shadow_cull", "1"};
+cvar_t r_drawcollisionbrushes = {0, "r_drawcollisionbrushes", "0"};
cvar_t gl_fogenable = {0, "gl_fogenable", "0"};
cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25"};
cvar_t gl_fogstart = {0, "gl_fogstart", "0"};
cvar_t gl_fogend = {0, "gl_fogend","0"};
-cvar_t r_multitexture = {0, "r_multitexture", "1"};
+cvar_t r_textureunits = {0, "r_textureunits", "32"};
+
+cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "1"};
+cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1"};
+cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1"};
+cvar_t r_watershader = {CVAR_SAVE, "r_watershader", "1"};
+
+
+void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
+{
+ int i;
+ for (i = 0;i < verts;i++)
+ {
+ out[0] = in[0] * r;
+ out[1] = in[1] * g;
+ out[2] = in[2] * b;
+ out[3] = in[3];
+ in += 4;
+ out += 4;
+ }
+}
+
+void R_FillColors(float *out, int verts, float r, float g, float b, float a)
+{
+ int i;
+ for (i = 0;i < verts;i++)
+ {
+ out[0] = r;
+ out[1] = g;
+ out[2] = b;
+ out[3] = a;
+ out += 4;
+ }
+}
/*
====================
Con_Printf ("%f seconds (%f fps)\n", time, 128/time);
}
-extern cvar_t r_drawportals;
-
-int R_VisibleCullBox (vec3_t mins, vec3_t maxs)
-{
- int sides;
- mnode_t *nodestack[8192], *node;
- int stack = 0;
-
- if (R_CullBox(mins, maxs))
- return true;
-
- node = cl.worldmodel->nodes;
-loc0:
- if (node->contents < 0)
- {
- if (((mleaf_t *)node)->visframe == r_framecount)
- return false;
- if (!stack)
- return true;
- node = nodestack[--stack];
- goto loc0;
- }
-
- sides = BOX_ON_PLANE_SIDE(mins, maxs, node->plane);
-
-// recurse down the contacted sides
- if (sides & 1)
- {
- if (sides & 2) // 3
- {
- // put second child on the stack for later examination
- nodestack[stack++] = node->children[1];
- node = node->children[0];
- goto loc0;
- }
- else // 1
- {
- node = node->children[0];
- goto loc0;
- }
- }
- // 2
- node = node->children[1];
- goto loc0;
-}
-
vec3_t fogcolor;
vec_t fogdensity;
float fog_density, fog_red, fog_green, fog_blue;
{
}
+extern void CL_ParseEntityLump(char *entitystring);
void gl_main_newmap(void)
{
+ int l;
+ char *entities, entname[MAX_QPATH];
r_framecount = 1;
+ if (cl.worldmodel)
+ {
+ strcpy(entname, cl.worldmodel->name);
+ l = strlen(entname) - 4;
+ if (l >= 0 && !strcmp(entname + l, ".bsp"))
+ {
+ strcpy(entname + l, ".ent");
+ if ((entities = FS_LoadFile(entname, true)))
+ {
+ CL_ParseEntityLump(entities);
+ Mem_Free(entities);
+ return;
+ }
+ }
+ if (cl.worldmodel->brush.entities)
+ CL_ParseEntityLump(cl.worldmodel->brush.entities);
+ }
}
void GL_Main_Init(void)
{
+ Matrix4x4_CreateIdentity(&r_identitymatrix);
// FIXME: move this to client?
FOG_registercvars();
- Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
- Cvar_RegisterVariable (&r_drawentities);
- Cvar_RegisterVariable (&r_drawviewmodel);
- Cvar_RegisterVariable (&r_speeds);
- Cvar_RegisterVariable (&r_fullbrights);
- Cvar_RegisterVariable (&r_wateralpha);
- Cvar_RegisterVariable (&r_dynamic);
- Cvar_RegisterVariable (&r_fullbright);
- Cvar_RegisterVariable (&r_multitexture);
- if (gamemode == GAME_NEHAHRA)
+ Cmd_AddCommand("timerefresh", R_TimeRefresh_f);
+ Cvar_RegisterVariable(&r_drawentities);
+ Cvar_RegisterVariable(&r_drawviewmodel);
+ Cvar_RegisterVariable(&r_shadow_staticworldlights);
+ Cvar_RegisterVariable(&r_speeds);
+ Cvar_RegisterVariable(&r_fullbrights);
+ Cvar_RegisterVariable(&r_wateralpha);
+ Cvar_RegisterVariable(&r_dynamic);
+ Cvar_RegisterVariable(&r_fullbright);
+ Cvar_RegisterVariable(&r_textureunits);
+ Cvar_RegisterVariable(&r_shadow_cull);
+ Cvar_RegisterVariable(&r_lerpsprites);
+ Cvar_RegisterVariable(&r_lerpmodels);
+ Cvar_RegisterVariable(&r_waterscroll);
+ Cvar_RegisterVariable(&r_watershader);
+ Cvar_RegisterVariable(&r_drawcollisionbrushes);
+ if (gamemode == GAME_NEHAHRA || gamemode == GAME_NEXUIZ)
Cvar_SetValue("r_fullbrights", 0);
R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
}
return r_farclip_meshfarclip - r_farclip_directiondist;
}
-/*
-===============
-R_NewMap
-===============
-*/
-void CL_ParseEntityLump(char *entitystring);
-void R_NewMap (void)
-{
- int i;
-
- for (i = 0;i < 256;i++)
- d_lightstylevalue[i] = 264; // normal light value
-
- r_viewleaf = NULL;
- if (cl.worldmodel->entities)
- CL_ParseEntityLump(cl.worldmodel->entities);
- R_Modules_NewMap();
-
- r_farclip = 64.0f;
-}
-
extern void R_Textures_Init(void);
extern void Mod_RenderInit(void);
extern void GL_Draw_Init(void);
extern void GL_Main_Init(void);
+extern void R_Shadow_Init(void);
extern void GL_Models_Init(void);
extern void R_Sky_Init(void);
extern void GL_Surf_Init(void);
extern void R_Explosion_Init(void);
extern void ui_init(void);
extern void gl_backend_init(void);
+extern void Sbar_Init(void);
+extern void R_LightningBeams_Init(void);
void Render_Init(void)
{
- R_Modules_Shutdown();
R_Textures_Init();
Mod_RenderInit();
gl_backend_init();
+ R_MeshQueue_Init();
GL_Draw_Init();
GL_Main_Init();
+ R_Shadow_Init();
GL_Models_Init();
R_Sky_Init();
GL_Surf_Init();
R_Particles_Init();
R_Explosion_Init();
ui_init();
- R_Modules_Start();
+ Sbar_Init();
+ R_LightningBeams_Init();
}
/*
VID_CheckExtensions();
// LordHavoc: report supported extensions
- Con_Printf ("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
+ Con_DPrintf("\nengine extensions: %s\n", ENGINE_EXTENSIONS);
+}
- qglCullFace(GL_FRONT);
- qglEnable(GL_TEXTURE_2D);
+int R_CullBox(const vec3_t mins, const vec3_t maxs)
+{
+ int i;
+ mplane_t *p;
+ for (i = 0;i < 4;i++)
+ {
+ p = frustum + i;
+ switch(p->signbits)
+ {
+ default:
+ case 0:
+ if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
+ return true;
+ break;
+ case 1:
+ if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
+ return true;
+ break;
+ case 2:
+ if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
+ return true;
+ break;
+ case 3:
+ if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
+ return true;
+ break;
+ case 4:
+ if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
+ return true;
+ break;
+ case 5:
+ if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
+ return true;
+ break;
+ case 6:
+ if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
+ return true;
+ break;
+ case 7:
+ if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
+ return true;
+ break;
+ }
+ }
+ return false;
}
+#define VIS_CullBox(mins,maxs) (R_CullBox((mins), (maxs)) || (cl.worldmodel && cl.worldmodel->brush.BoxTouchingPVS && !cl.worldmodel->brush.BoxTouchingPVS(cl.worldmodel, r_pvsbits, (mins), (maxs))))
//==================================================================================
static void R_MarkEntities (void)
{
int i;
- vec3_t v;
+ entity_render_t *ent;
- R_FarClip_Box(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
+ ent = &cl_entities[0].render;
+ Matrix4x4_CreateIdentity(&ent->matrix);
+ Matrix4x4_CreateIdentity(&ent->inversematrix);
+
+ if (cl.worldmodel)
+ R_FarClip_Box(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
if (!r_drawentities.integer)
return;
for (i = 0;i < r_refdef.numentities;i++)
{
- currentrenderentity = r_refdef.entities[i];
- Mod_CheckLoaded(currentrenderentity->model);
-
- // move view-relative models to where they should be
- if (currentrenderentity->flags & RENDER_VIEWMODEL)
- {
- // remove flag so it will not be repeated incase RelinkEntities is not called again for a while
- currentrenderentity->flags -= RENDER_VIEWMODEL;
- // transform origin
- VectorCopy(currentrenderentity->origin, v);
- currentrenderentity->origin[0] = v[0] * vpn[0] + v[1] * vright[0] + v[2] * vup[0] + r_origin[0];
- currentrenderentity->origin[1] = v[0] * vpn[1] + v[1] * vright[1] + v[2] * vup[1] + r_origin[1];
- currentrenderentity->origin[2] = v[0] * vpn[2] + v[1] * vright[2] + v[2] * vup[2] + r_origin[2];
- // adjust angles
- VectorAdd(currentrenderentity->angles, r_refdef.viewangles, currentrenderentity->angles);
- }
-
- if (currentrenderentity->angles[0] || currentrenderentity->angles[2])
- {
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->rotatedmins, currentrenderentity->mins);
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->rotatedmaxs, currentrenderentity->maxs);
- }
- else if (currentrenderentity->angles[1])
+ ent = r_refdef.entities[i];
+ Mod_CheckLoaded(ent->model);
+ // some of the renderer still relies on origin...
+ Matrix4x4_OriginFromMatrix(&ent->matrix, ent->origin);
+ // some of the renderer still relies on scale...
+ ent->scale = Matrix4x4_ScaleFromMatrix(&ent->matrix);
+ R_LerpAnimation(ent);
+ R_UpdateEntLights(ent);
+ if ((chase_active.integer || !(ent->flags & RENDER_EXTERIORMODEL))
+ && !VIS_CullBox(ent->mins, ent->maxs))
{
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->yawmins, currentrenderentity->mins);
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->yawmaxs, currentrenderentity->maxs);
+ ent->visframe = r_framecount;
+ R_FarClip_Box(ent->mins, ent->maxs);
}
- else
- {
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->normalmins, currentrenderentity->mins);
- VectorMA(currentrenderentity->origin, currentrenderentity->scale, currentrenderentity->model->normalmaxs, currentrenderentity->maxs);
- }
- if (R_VisibleCullBox(currentrenderentity->mins, currentrenderentity->maxs))
- continue;
-
- R_LerpAnimation(currentrenderentity);
- currentrenderentity->visframe = r_framecount;
-
- R_FarClip_Box(currentrenderentity->mins, currentrenderentity->maxs);
}
}
// only used if skyrendermasked, and normally returns false
-int R_DrawBModelSky (void)
+int R_DrawBrushModelsSky (void)
{
int i, sky;
+ entity_render_t *ent;
if (!r_drawentities.integer)
return false;
sky = false;
for (i = 0;i < r_refdef.numentities;i++)
{
- currentrenderentity = r_refdef.entities[i];
- if (currentrenderentity->visframe == r_framecount && currentrenderentity->model->DrawSky)
+ ent = r_refdef.entities[i];
+ if (ent->visframe == r_framecount && ent->model && ent->model->DrawSky)
{
- currentrenderentity->model->DrawSky();
+ ent->model->DrawSky(ent);
sky = true;
}
}
return sky;
}
-void R_DrawModels (void)
+/*
+=============
+R_DrawViewModel
+=============
+*/
+/*
+void R_DrawViewModel (void)
+{
+ entity_render_t *ent;
+
+ // FIXME: move these checks to client
+ if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
+ return;
+
+ ent = &cl.viewent.render;
+ Mod_CheckLoaded(ent->model);
+ R_LerpAnimation(ent);
+ Matrix4x4_CreateFromQuakeEntity(&ent->matrix, ent->origin[0], ent->origin[1], ent->origin[2], -ent->angles[0], ent->angles[1], ent->angles[2], ent->scale);
+ Matrix4x4_Invert_Simple(&ent->inversematrix, &ent->matrix);
+ R_UpdateEntLights(ent);
+ ent->model->Draw(ent);
+}
+*/
+
+void R_DrawNoModel(entity_render_t *ent);
+void R_DrawModels(void)
{
int i;
+ entity_render_t *ent;
if (!r_drawentities.integer)
return;
for (i = 0;i < r_refdef.numentities;i++)
{
- currentrenderentity = r_refdef.entities[i];
- if (currentrenderentity->visframe == r_framecount && currentrenderentity->model->Draw)
- currentrenderentity->model->Draw();
+ ent = r_refdef.entities[i];
+ if (ent->visframe == r_framecount)
+ {
+ if (ent->model && ent->model->Draw != NULL)
+ ent->model->Draw(ent);
+ else
+ R_DrawNoModel(ent);
+ }
}
}
-/*
-=============
-R_DrawViewModel
-=============
-*/
-void R_DrawViewModel (void)
+#include "r_shadow.h"
+
+int shadowframecount = 0;
+
+void R_TestAndDrawShadowVolume(entity_render_t *ent, vec3_t lightorigin, float cullradius, float lightradius, vec3_t lightmins, vec3_t lightmaxs, vec3_t clipmins, vec3_t clipmaxs, int lightmarked)
{
- // FIXME: move these checks to client
- if (!r_drawviewmodel.integer || chase_active.integer || envmap || !r_drawentities.integer || cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0 || !cl.viewent.render.model)
- return;
+ vec3_t relativelightorigin;
+ // rough checks
+ if ((ent->flags & RENDER_SHADOW) && ent->model && ent->model->DrawShadowVolume && !(r_shadow_cull.integer && (ent->maxs[0] < lightmins[0] || ent->mins[0] > lightmaxs[0] || ent->maxs[1] < lightmins[1] || ent->mins[1] > lightmaxs[1] || ent->maxs[2] < lightmins[2] || ent->mins[2] > lightmaxs[2])))
+ {
+ Matrix4x4_Transform(&ent->inversematrix, lightorigin, relativelightorigin);
+ ent->model->DrawShadowVolume (ent, relativelightorigin, lightradius);
+ }
+}
- currentrenderentity = &cl.viewent.render;
- Mod_CheckLoaded(currentrenderentity->model);
+void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, worldlight_t *light);
- R_LerpAnimation(currentrenderentity);
+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, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
+void R_ShadowVolumeLighting(int visiblevolumes)
+{
+ int i;
+ entity_render_t *ent;
+ int lnum;
+ float f, lightradius, cullradius;
+ vec3_t relativelightorigin, relativeeyeorigin, lightcolor, clipmins, clipmaxs;
+ worldlight_t *wl;
+ rdlight_t *rd;
+ rmeshstate_t m;
+ matrix4x4_t matrix;
+ matrix4x4_t matrix_worldtofilter, matrix_worldtoattenuationxyz, matrix_worldtoattenuationz;
+ matrix4x4_t matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz;
+
+ if (visiblevolumes)
+ {
+ memset(&m, 0, sizeof(m));
+ R_Mesh_State_Texture(&m);
+
+ GL_BlendFunc(GL_ONE, GL_ONE);
+ GL_DepthMask(false);
+ GL_DepthTest(r_shadow_visiblevolumes.integer < 2);
+ qglDisable(GL_CULL_FACE);
+ GL_Color(0.0, 0.0125, 0.1, 1);
+ }
+ else
+ R_Shadow_Stage_Begin();
+ shadowframecount++;
+ if (r_shadow_realtime_world.integer)
+ {
+ R_Shadow_LoadWorldLightsIfNeeded();
+ for (lnum = 0, wl = r_shadow_worldlightchain;wl;wl = wl->next, lnum++)
+ {
+ if (d_lightstylevalue[wl->style] <= 0)
+ continue;
+ if (VIS_CullBox(wl->mins, wl->maxs))
+ continue;
+ if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
+ continue;
+ if (R_Shadow_ScissorForBBox(wl->mins, wl->maxs))
+ continue;
+
+ cullradius = wl->cullradius;
+ lightradius = wl->lightradius;
+ VectorCopy(wl->mins, clipmins);
+ VectorCopy(wl->maxs, clipmaxs);
+
+ f = d_lightstylevalue[wl->style] * (1.0f / 256.0f);
+ VectorScale(wl->light, f, lightcolor);
+ if (wl->selected)
+ {
+ f = 2 + sin(realtime * M_PI * 4.0);
+ VectorScale(lightcolor, f, lightcolor);
+ }
+
+ if (wl->castshadows && (gl_stencil || visiblevolumes))
+ {
+ if (!visiblevolumes)
+ R_Shadow_Stage_ShadowVolumes();
+ ent = &cl_entities[0].render;
+ if (wl->shadowvolume && r_shadow_staticworldlights.integer)
+ R_Shadow_DrawWorldLightShadowVolume(&ent->matrix, wl);
+ else
+ R_TestAndDrawShadowVolume(ent, wl->origin, cullradius, lightradius, wl->mins, wl->maxs, clipmins, clipmaxs, true);
+ if (r_drawentities.integer)
+ for (i = 0;i < r_refdef.numentities;i++)
+ R_TestAndDrawShadowVolume(r_refdef.entities[i], wl->origin, cullradius, lightradius, wl->mins, wl->maxs, clipmins, clipmaxs, true);
+ }
+
+ if (!visiblevolumes)
+ {
+ if (wl->castshadows && gl_stencil)
+ R_Shadow_Stage_LightWithShadows();
+ else
+ R_Shadow_Stage_LightWithoutShadows();
+
+ // calculate world to filter matrix
+ Matrix4x4_CreateFromQuakeEntity(&matrix, wl->origin[0], wl->origin[1], wl->origin[2], wl->angles[0], wl->angles[1], wl->angles[2], lightradius);
+ Matrix4x4_Invert_Simple(&matrix_worldtofilter, &matrix);
+ // calculate world to attenuationxyz/xy matrix
+ Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5, 0.5, 0.5, 0, 0, 0, 0.5);
+ Matrix4x4_Concat(&matrix_worldtoattenuationxyz, &matrix, &matrix_worldtofilter);
+ // calculate world to attenuationz matrix
+ matrix.m[0][0] = 0;matrix.m[0][1] = 0;matrix.m[0][2] = 0.5;matrix.m[0][3] = 0.5;
+ matrix.m[1][0] = 0;matrix.m[1][1] = 0;matrix.m[1][2] = 0 ;matrix.m[1][3] = 0.5;
+ matrix.m[2][0] = 0;matrix.m[2][1] = 0;matrix.m[2][2] = 0 ;matrix.m[2][3] = 0.5;
+ matrix.m[3][0] = 0;matrix.m[3][1] = 0;matrix.m[3][2] = 0 ;matrix.m[3][3] = 1;
+ Matrix4x4_Concat(&matrix_worldtoattenuationz, &matrix, &matrix_worldtofilter);
+
+ ent = &cl_entities[0].render;
+ if (ent->model && ent->model->DrawLight)
+ {
+ Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
+ Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+ Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
+ if (wl->numsurfaces)
+ R_Model_Brush_DrawLightForSurfaceList(ent, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, wl->surfaces, wl->numsurfaces, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
+ else
+ ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
+ }
+ if (r_drawentities.integer)
+ {
+ for (i = 0;i < r_refdef.numentities;i++)
+ {
+ ent = r_refdef.entities[i];
+ if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
+ && BoxesOverlap(ent->mins, ent->maxs, clipmins, clipmaxs)
+ && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
+ {
+ Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
+ Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+ Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
+ ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
+ }
+ }
+ }
+ }
+ }
+ }
+ if (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer)
+ {
+ for (lnum = 0, rd = r_dlight;lnum < r_numdlights;lnum++, rd++)
+ {
+ lightradius = rd->cullradius;
+ clipmins[0] = rd->origin[0] - lightradius;
+ clipmins[1] = rd->origin[1] - lightradius;
+ clipmins[2] = rd->origin[2] - lightradius;
+ clipmaxs[0] = rd->origin[0] + lightradius;
+ clipmaxs[1] = rd->origin[1] + lightradius;
+ clipmaxs[2] = rd->origin[2] + lightradius;
+ if (VIS_CullBox(clipmins, clipmaxs) || R_Shadow_ScissorForBBox(clipmins, clipmaxs))
+ continue;
+
+ cullradius = RadiusFromBoundsAndOrigin(clipmins, clipmaxs, rd->origin);
+ VectorScale(rd->light, (1.0f / 4096.0f), lightcolor);
+
+ if (r_shadow_shadows.integer && (gl_stencil || visiblevolumes))
+ {
+ if (!visiblevolumes)
+ R_Shadow_Stage_ShadowVolumes();
+ ent = &cl_entities[0].render;
+ R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius, clipmins, clipmaxs, clipmins, clipmaxs, false);
+ if (r_drawentities.integer)
+ {
+ for (i = 0;i < r_refdef.numentities;i++)
+ {
+ ent = r_refdef.entities[i];
+ if (ent != rd->ent)
+ R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius, clipmins, clipmaxs, clipmins, clipmaxs, false);
+ }
+ }
+ }
+
+ if (!visiblevolumes)
+ {
+ if (r_shadow_shadows.integer && gl_stencil)
+ R_Shadow_Stage_LightWithShadows();
+ else
+ R_Shadow_Stage_LightWithoutShadows();
+
+ // calculate world to filter matrix
+ Matrix4x4_CreateFromQuakeEntity(&matrix, rd->origin[0], rd->origin[1], rd->origin[2], 0, 0, 0, lightradius);
+ Matrix4x4_Invert_Simple(&matrix_worldtofilter, &matrix);
+ // calculate world to attenuationxyz/xy matrix
+ Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5, 0.5, 0.5, 0, 0, 0, 0.5);
+ Matrix4x4_Concat(&matrix_worldtoattenuationxyz, &matrix, &matrix_worldtofilter);
+ // calculate world to attenuationz matrix
+ matrix.m[0][0] = 0;matrix.m[0][1] = 0;matrix.m[0][2] = 0.5;matrix.m[0][3] = 0.5;
+ matrix.m[1][0] = 0;matrix.m[1][1] = 0;matrix.m[1][2] = 0 ;matrix.m[1][3] = 0.5;
+ matrix.m[2][0] = 0;matrix.m[2][1] = 0;matrix.m[2][2] = 0 ;matrix.m[2][3] = 0.5;
+ matrix.m[3][0] = 0;matrix.m[3][1] = 0;matrix.m[3][2] = 0 ;matrix.m[3][3] = 1;
+ Matrix4x4_Concat(&matrix_worldtoattenuationz, &matrix, &matrix_worldtofilter);
+
+ ent = &cl_entities[0].render;
+ if (ent->model && ent->model->DrawLight)
+ {
+ Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
+ Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+ Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
+ ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
+ }
+ if (r_drawentities.integer)
+ {
+ for (i = 0;i < r_refdef.numentities;i++)
+ {
+ ent = r_refdef.entities[i];
+ if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
+ && BoxesOverlap(ent->mins, ent->maxs, clipmins, clipmaxs)
+ && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
+ {
+ Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
+ Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
+ Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
+ Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
+ ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
+ }
+ }
+ }
+ }
+ }
+ }
- currentrenderentity->model->Draw();
+ if (visiblevolumes)
+ qglEnable(GL_CULL_FACE);
+ else
+ R_Shadow_Stage_End();
+ qglDisable(GL_SCISSOR_TEST);
}
static void R_SetFrustum (void)
{
- int i;
-
// LordHavoc: note to all quake engine coders, the special case for 90
// degrees assumed a square view (wrong), so I removed it, Quake2 has it
// disabled as well.
+
// rotate VPN right by FOV_X/2 degrees
RotatePointAroundVector( frustum[0].normal, vup, vpn, -(90-r_refdef.fov_x / 2 ) );
+ frustum[0].dist = DotProduct (r_origin, frustum[0].normal);
+ PlaneClassify(&frustum[0]);
+
// rotate VPN left by FOV_X/2 degrees
RotatePointAroundVector( frustum[1].normal, vup, vpn, 90-r_refdef.fov_x / 2 );
+ frustum[1].dist = DotProduct (r_origin, frustum[1].normal);
+ PlaneClassify(&frustum[1]);
+
// rotate VPN up by FOV_X/2 degrees
RotatePointAroundVector( frustum[2].normal, vright, vpn, 90-r_refdef.fov_y / 2 );
+ frustum[2].dist = DotProduct (r_origin, frustum[2].normal);
+ PlaneClassify(&frustum[2]);
+
// rotate VPN down by FOV_X/2 degrees
RotatePointAroundVector( frustum[3].normal, vright, vpn, -( 90 - r_refdef.fov_y / 2 ) );
-
- for (i = 0;i < 4;i++)
- {
- frustum[i].type = PLANE_ANYZ;
- frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
- PlaneClassify(&frustum[i]);
- }
+ frustum[3].dist = DotProduct (r_origin, frustum[3].normal);
+ PlaneClassify(&frustum[3]);
}
/*
static void R_SetupFrame (void)
{
// don't allow cheats in multiplayer
- if (cl.maxclients > 1)
+ if (!cl.islocalgame)
{
if (r_fullbright.integer != 0)
Cvar_Set ("r_fullbright", "0");
if (r_ambient.value != 0)
Cvar_Set ("r_ambient", "0");
}
- if (r_multitexture.integer && gl_textureunits < 2)
- Cvar_SetValue("r_multitexture", 0);
r_framecount++;
AngleVectors (r_refdef.viewangles, vpn, vright, vup);
-// current viewleaf
- r_oldviewleaf = r_viewleaf;
- r_viewleaf = Mod_PointInLeaf (r_origin, cl.worldmodel);
-
R_AnimateLight ();
}
static void R_BlendView(void)
{
- rmeshbufferinfo_t m;
+ rmeshstate_t m;
float r;
+ float vertex3f[3*3];
if (r_refdef.viewblend[3] < 0.01f)
return;
+ R_Mesh_Matrix(&r_identitymatrix);
+
memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- m.depthdisable = true; // magic
- m.numtriangles = 1;
- m.numverts = 3;
- if (R_Mesh_Draw_GetBuffer(&m))
- {
- m.index[0] = 0;
- m.index[1] = 1;
- m.index[2] = 2;
- m.color[0] = m.color[4] = m.color[8] = r_refdef.viewblend[0];
- m.color[1] = m.color[5] = m.color[9] = r_refdef.viewblend[1];
- m.color[2] = m.color[6] = m.color[10] = r_refdef.viewblend[2];
- m.color[3] = m.color[7] = m.color[11] = r_refdef.viewblend[3];
- r = 64000;
- m.vertex[0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
- m.vertex[1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
- m.vertex[2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
- r *= 3;
- m.vertex[4] = m.vertex[0] + vup[0] * r;
- m.vertex[5] = m.vertex[1] + vup[1] * r;
- m.vertex[6] = m.vertex[2] + vup[2] * r;
- m.vertex[8] = m.vertex[0] + vright[0] * r;
- m.vertex[9] = m.vertex[1] + vright[1] * r;
- m.vertex[10] = m.vertex[2] + vright[2] * r;
- }
+ R_Mesh_State_Texture(&m);
+
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthMask(true);
+ GL_DepthTest(false); // magic
+ GL_VertexPointer(vertex3f);
+ GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
+ r = 64000;
+ vertex3f[0] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r - vup[0] * r;
+ vertex3f[1] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r - vup[1] * r;
+ vertex3f[2] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r - vup[2] * r;
+ vertex3f[3] = r_origin[0] + vpn[0] * 1.5 - vright[0] * r + vup[0] * r * 3;
+ vertex3f[4] = r_origin[1] + vpn[1] * 1.5 - vright[1] * r + vup[1] * r * 3;
+ vertex3f[5] = r_origin[2] + vpn[2] * 1.5 - vright[2] * r + vup[2] * r * 3;
+ vertex3f[6] = r_origin[0] + vpn[0] * 1.5 + vright[0] * r * 3 - vup[0] * r;
+ vertex3f[7] = r_origin[1] + vpn[1] * 1.5 + vright[1] * r * 3 - vup[1] * r;
+ vertex3f[8] = r_origin[2] + vpn[2] * 1.5 + vright[2] * r * 3 - vup[2] * r;
+ R_Mesh_Draw(3, 1, polygonelements);
}
/*
r_refdef must be set before the first call
================
*/
+extern void R_DrawLightningBeams (void);
void R_RenderView (void)
{
- if (!cl.worldmodel)
+ entity_render_t *world;
+ if (!r_refdef.entities/* || !cl.worldmodel*/)
return; //Host_Error ("R_RenderView: NULL worldmodel");
+ if (r_shadow_realtime_world.integer)
+ {
+ if (!gl_stencil)
+ {
+ Con_Printf("Realtime world lighting requires 32bit color turning off r_shadow_realtime_world, please type vid_bitsperpixel 32;vid_restart and try again\n");
+ Cvar_SetValueQuick(&r_shadow_realtime_world, 0);
+ }
+ }
+
+ world = &cl_entities[0].render;
+
// FIXME: move to client
R_MoveExplosions();
R_TimeReport("mexplosion");
+ R_Textures_Frame();
R_SetupFrame();
R_SetFrustum();
R_SetupFog();
R_SkyStartFrame();
R_BuildLightList();
-
- R_FarClip_Start(r_origin, vpn, 768.0f);
-
R_TimeReport("setup");
- R_DrawWorld();
- R_TimeReport("worldnode");
+ if (cl.worldmodel && cl.worldmodel->brush.FatPVS)
+ cl.worldmodel->brush.FatPVS(cl.worldmodel, r_origin, 2, r_pvsbits, sizeof(r_pvsbits));
- R_MarkEntities();
- R_TimeReport("markentity");
-
- R_MarkWorldLights();
- R_TimeReport("marklights");
+ R_WorldVisibility(world);
+ R_TimeReport("worldvis");
+ R_FarClip_Start(r_origin, vpn, 768.0f);
+ R_MarkEntities();
r_farclip = R_FarClip_Finish() + 256.0f;
+ R_TimeReport("markentity");
- R_Mesh_Start(r_farclip);
-
- if (skyrendermasked)
- {
- if (R_DrawBModelSky())
- R_TimeReport("bmodelsky");
- }
+ GL_SetupView_ViewPort(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
+ if ((r_shadow_realtime_world.integer || r_shadow_shadows.integer) && gl_stencil)
+ GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_refdef.fov_x, r_refdef.fov_y, 1.0f);
else
- {
- R_DrawViewModel();
- R_TimeReport("viewmodel");
- }
+ GL_SetupView_Mode_Perspective(r_refdef.fov_x, r_refdef.fov_y, 1.0f, r_farclip);
+ GL_SetupView_Orientation_FromEntity (r_refdef.vieworg, r_refdef.viewangles);
+ qglDepthFunc(GL_LEQUAL);
- R_SetupForWorldRendering();
- R_PrepareSurfaces();
- R_TimeReport("surfprep");
+ R_Mesh_Start();
+ R_MeshQueue_BeginScene();
- R_DrawSurfaces(SHADERSTAGE_SKY);
- R_DrawSurfaces(SHADERSTAGE_NORMAL);
- R_TimeReport("surfdraw");
+ R_Shadow_UpdateWorldLightSelection();
- if (r_drawportals.integer)
- {
- R_DrawPortals();
- R_TimeReport("portals");
- }
+ if (R_DrawBrushModelsSky())
+ R_TimeReport("bmodelsky");
+
+ // must occur early because it can draw sky
+ R_DrawWorld(world);
+ R_TimeReport("world");
// don't let sound skip if going slow
if (!intimerefresh && !r_speeds.integer)
S_ExtraUpdate ();
- if (skyrendermasked)
+ R_DrawModels();
+ R_TimeReport("models");
+
+ if (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer)
{
- R_DrawViewModel();
- R_TimeReport("viewmodel");
+ R_ShadowVolumeLighting(false);
+ R_TimeReport("dynlight");
}
- R_DrawModels();
- R_TimeReport("models");
+ R_DrawLightningBeams();
+ R_TimeReport("lightning");
R_DrawParticles();
R_TimeReport("particles");
R_DrawExplosions();
R_TimeReport("explosions");
- // draw transparent meshs
- R_Mesh_AddTransparent();
- R_TimeReport("addtrans");
+ R_MeshQueue_RenderTransparent();
+ R_TimeReport("drawtrans");
R_DrawCoronas();
R_TimeReport("coronas");
+ R_DrawWorldCrosshair();
+ R_TimeReport("crosshair");
+
R_BlendView();
R_TimeReport("blendview");
- R_DrawCrosshair();
- R_TimeReport("crosshair");
+ R_MeshQueue_Render();
+ R_MeshQueue_EndScene();
+
+ if (r_shadow_visiblevolumes.integer)
+ {
+ R_ShadowVolumeLighting(true);
+ R_TimeReport("shadowvolume");
+ }
- // render any queued meshs
R_Mesh_Finish();
R_TimeReport("meshfinish");
}
+/*
+void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
+{
+ int i;
+ float *v, *c, f1, f2, diff[3], vertex3f[8*3], color4f[8*4];
+ rmeshstate_t m;
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthMask(false);
+ GL_DepthTest(true);
+ R_Mesh_Matrix(&r_identitymatrix);
+
+ memset(&m, 0, sizeof(m));
+ R_Mesh_State_Texture(&m);
+
+ R_Mesh_GetSpace(8);
+ vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2];
+ vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
+ vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
+ vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
+ vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
+ vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
+ vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
+ vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
+ GL_ColorPointer(color);
+ R_FillColors(color, 8, cr, cg, cb, ca);
+ if (fogenabled)
+ {
+ for (i = 0, v = vertex, c = color;i < 8;i++, v += 4, c += 4)
+ {
+ VectorSubtract(v, r_origin, diff);
+ f2 = exp(fogdensity/DotProduct(diff, diff));
+ f1 = 1 - f2;
+ c[0] = c[0] * f1 + fogcolor[0] * f2;
+ c[1] = c[1] * f1 + fogcolor[1] * f2;
+ c[2] = c[2] * f1 + fogcolor[2] * f2;
+ }
+ }
+ R_Mesh_Draw(8, 12);
+}
+*/
+
+int nomodelelements[24] =
+{
+ 5, 2, 0,
+ 5, 1, 2,
+ 5, 0, 3,
+ 5, 3, 1,
+ 0, 2, 4,
+ 2, 1, 4,
+ 3, 0, 4,
+ 1, 3, 4
+};
+
+float nomodelvertex3f[6*3] =
+{
+ -16, 0, 0,
+ 16, 0, 0,
+ 0, -16, 0,
+ 0, 16, 0,
+ 0, 0, -16,
+ 0, 0, 16
+};
+
+float nomodelcolor4f[6*4] =
+{
+ 0.0f, 0.0f, 0.5f, 1.0f,
+ 0.0f, 0.0f, 0.5f, 1.0f,
+ 0.0f, 0.5f, 0.0f, 1.0f,
+ 0.0f, 0.5f, 0.0f, 1.0f,
+ 0.5f, 0.0f, 0.0f, 1.0f,
+ 0.5f, 0.0f, 0.0f, 1.0f
+};
+
+void R_DrawNoModelCallback(const void *calldata1, int calldata2)
+{
+ const entity_render_t *ent = calldata1;
+ int i;
+ float f1, f2, *c, diff[3];
+ float color4f[6*4];
+ rmeshstate_t m;
+ R_Mesh_Matrix(&ent->matrix);
+
+ memset(&m, 0, sizeof(m));
+ R_Mesh_State_Texture(&m);
+
+ if (ent->flags & EF_ADDITIVE)
+ {
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+ GL_DepthMask(false);
+ }
+ else if (ent->alpha < 1)
+ {
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthMask(false);
+ }
+ else
+ {
+ GL_BlendFunc(GL_ONE, GL_ZERO);
+ GL_DepthMask(true);
+ }
+ GL_DepthTest(true);
+ GL_VertexPointer(nomodelvertex3f);
+ if (fogenabled)
+ {
+ memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
+ GL_ColorPointer(color4f);
+ VectorSubtract(ent->origin, r_origin, diff);
+ f2 = exp(fogdensity/DotProduct(diff, diff));
+ f1 = 1 - f2;
+ for (i = 0, c = color4f;i < 6;i++, c += 4)
+ {
+ c[0] = (c[0] * f1 + fogcolor[0] * f2);
+ c[1] = (c[1] * f1 + fogcolor[1] * f2);
+ c[2] = (c[2] * f1 + fogcolor[2] * f2);
+ c[3] *= ent->alpha;
+ }
+ }
+ else if (ent->alpha != 1)
+ {
+ memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
+ GL_ColorPointer(color4f);
+ for (i = 0, c = color4f;i < 6;i++, c += 4)
+ c[3] *= ent->alpha;
+ }
+ else
+ GL_ColorPointer(nomodelcolor4f);
+ R_Mesh_Draw(6, 8, nomodelelements);
+}
+
+void R_DrawNoModel(entity_render_t *ent)
+{
+ //if ((ent->effects & EF_ADDITIVE) || (ent->alpha < 1))
+ R_MeshQueue_AddTransparent(ent->origin, R_DrawNoModelCallback, ent, 0);
+ //else
+ // R_DrawNoModelCallback(ent, 0);
+}
+
+void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
+{
+ vec3_t right1, right2, diff, normal;
+
+ VectorSubtract (org2, org1, normal);
+ VectorNormalizeFast (normal);
+
+ // calculate 'right' vector for start
+ VectorSubtract (r_origin, org1, diff);
+ VectorNormalizeFast (diff);
+ CrossProduct (normal, diff, right1);
+
+ // calculate 'right' vector for end
+ VectorSubtract (r_origin, org2, diff);
+ VectorNormalizeFast (diff);
+ CrossProduct (normal, diff, right2);
+
+ vert[ 0] = org1[0] + width * right1[0];
+ vert[ 1] = org1[1] + width * right1[1];
+ vert[ 2] = org1[2] + width * right1[2];
+ vert[ 3] = org1[0] - width * right1[0];
+ vert[ 4] = org1[1] - width * right1[1];
+ vert[ 5] = org1[2] - width * right1[2];
+ vert[ 6] = org2[0] - width * right2[0];
+ vert[ 7] = org2[1] - width * right2[1];
+ vert[ 8] = org2[2] - width * right2[2];
+ vert[ 9] = org2[0] + width * right2[0];
+ vert[10] = org2[1] + width * right2[1];
+ vert[11] = org2[2] + width * right2[2];
+}
+
+float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
+
+void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, int depthdisable, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca)
+{
+ float diff[3];
+ rmeshstate_t m;
+
+ if (fogenabled)
+ {
+ VectorSubtract(origin, r_origin, diff);
+ ca *= 1 - exp(fogdensity/DotProduct(diff,diff));
+ }
+
+ R_Mesh_Matrix(&r_identitymatrix);
+ GL_Color(cr, cg, cb, ca);
+ GL_VertexPointer(varray_vertex3f);
+ GL_BlendFunc(blendfunc1, blendfunc2);
+ GL_DepthMask(false);
+ GL_DepthTest(!depthdisable);
+
+ memset(&m, 0, sizeof(m));
+ m.tex[0] = R_GetTexture(texture);
+ m.pointer_texcoord[0] = spritetexcoord2f;
+ R_Mesh_State_Texture(&m);
+
+ varray_vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
+ varray_vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
+ varray_vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
+ varray_vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
+ varray_vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
+ varray_vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
+ varray_vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
+ varray_vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
+ varray_vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
+ varray_vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
+ varray_vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
+ varray_vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
+ R_Mesh_Draw(4, 2, polygonelements);
+}
+