// r_main.c
#include "quakedef.h"
+#include "r_shadow.h"
// used for dlight push checking and other things
int r_framecount;
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"};
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);
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)
}
}
-#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)
-{
- 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);
- }
-}
-
-void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, worldlight_t *light);
-
-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;
- rtexture_t *cubemaptexture;
- matrix4x4_t matrix_modeltolight, 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 (R_CullBox(wl->mins, wl->maxs))
- continue;
- for (i = 0;i < wl->numclusters;i++)
- if (CHECKPVSBIT(r_pvsbits, wl->clusterindices[i]))
- break;
- if (i == wl->numclusters)
- 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->radius;
- VectorCopy(wl->mins, clipmins);
- VectorCopy(wl->maxs, clipmaxs);
-
- f = d_lightstylevalue[wl->style] * (1.0f / 256.0f);
- VectorScale(wl->color, f, lightcolor);
- if (wl->selected)
- {
- f = 2 + sin(realtime * M_PI * 4.0);
- VectorScale(lightcolor, f, lightcolor);
- }
-
- if (r_shadow_worldshadows.integer && wl->drawshadows && (gl_stencil || visiblevolumes))
- {
- if (!visiblevolumes)
- R_Shadow_Stage_ShadowVolumes();
- ent = &cl_entities[0].render;
- if (r_shadow_staticworldlights.integer)
- R_Shadow_DrawStaticWorldLight_Shadow(wl, &ent->matrix);
- 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 (r_shadow_worldshadows.integer && wl->drawshadows && gl_stencil)
- R_Shadow_Stage_LightWithShadows();
- else
- R_Shadow_Stage_LightWithoutShadows();
-
- ent = &cl_entities[0].render;
- if (ent->model && ent->model->DrawLight)
- {
- Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltolight, &wl->matrix_worldtolight, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &wl->matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &wl->matrix_worldtoattenuationz, &ent->matrix);
- if (r_shadow_staticworldlights.integer)
- R_Shadow_DrawStaticWorldLight_Light(wl, &ent->matrix, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- else
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, wl->cubemap);
- }
- 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_vieworigin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltolight, &wl->matrix_worldtolight, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &wl->matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &wl->matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, wl->cubemap);
- }
- }
- }
- }
- }
- }
- if (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer)
- {
- for (lnum = 0, rd = r_dlight;lnum < r_numdlights;lnum++, rd++)
- {
- lightradius = rd->radius;
- 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);
- VectorCopy(rd->color, lightcolor);
-
- if (rd->cubemapnum > 0)
- cubemaptexture = R_Shadow_Cubemap(va("cubemaps/%i", rd->cubemapnum));
- else
- cubemaptexture = NULL;
-
- if (r_shadow_dlightshadows.integer && rd->shadow && (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_dlightshadows.integer && gl_stencil && rd->shadow)
- R_Shadow_Stage_LightWithShadows();
- else
- R_Shadow_Stage_LightWithoutShadows();
-
- ent = &cl_entities[0].render;
- if (ent->model && ent->model->DrawLight)
- {
- Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltolight, &rd->matrix_worldtolight, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &rd->matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &rd->matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, cubemaptexture);
- }
- 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_vieworigin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltolight, &rd->matrix_worldtolight, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &rd->matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &rd->matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, cubemaptexture);
- }
- }
- }
- }
- }
- }
-
- if (visiblevolumes)
- {
- qglEnable(GL_CULL_FACE);
- GL_Scissor(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
- }
- else
- R_Shadow_Stage_End();
-}
-
static void R_SetFrustum(void)
{
// break apart the viewentity matrix into vectors for various purposes