#include "quakedef.h"
#include "r_shadow.h"
+#include "cl_collision.h"
+#include "portals.h"
+
+extern void R_Shadow_EditLights_Init(void);
+
+#define SHADOWSTAGE_NONE 0
+#define SHADOWSTAGE_STENCIL 1
+#define SHADOWSTAGE_LIGHT 2
+#define SHADOWSTAGE_ERASESTENCIL 3
+
+int r_shadowstage = SHADOWSTAGE_NONE;
+int r_shadow_reloadlights = false;
+
+int r_shadow_lightingmode = 0;
mempool_t *r_shadow_mempool;
int *shadowelements;
int maxtrianglefacinglight;
qbyte *trianglefacinglight;
+int *trianglefacinglightlist;
+
+int maxshadowvertices;
+float *shadowvertex3f;
rtexturepool_t *r_shadow_texturepool;
-rtexture_t *r_shadow_normalsattenuationtexture;
-rtexture_t *r_shadow_normalscubetexture;
+rtexture_t *r_shadow_normalcubetexture;
rtexture_t *r_shadow_attenuation2dtexture;
+rtexture_t *r_shadow_attenuation3dtexture;
rtexture_t *r_shadow_blankbumptexture;
+rtexture_t *r_shadow_blankglosstexture;
+rtexture_t *r_shadow_blankwhitetexture;
+
+cvar_t r_shadow_lightattenuationpower = {0, "r_shadow_lightattenuationpower", "0.5"};
+cvar_t r_shadow_lightattenuationscale = {0, "r_shadow_lightattenuationscale", "1"};
+cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1"};
+cvar_t r_shadow_realtime = {0, "r_shadow_realtime", "0"};
+cvar_t r_shadow_gloss = {0, "r_shadow_gloss", "1"};
+cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1"};
+cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1"};
+cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4"};
+cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0"};
+cvar_t r_shadow_shadownudge = {0, "r_shadow_shadownudge", "1"};
+cvar_t r_shadow_portallight = {0, "r_shadow_portallight", "1"};
+cvar_t r_shadow_projectdistance = {0, "r_shadow_projectdistance", "100000"};
+cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1"};
-cvar_t r_shadow1 = {0, "r_shadow1", "16"};
-cvar_t r_shadow2 = {0, "r_shadow2", "2"};
-cvar_t r_shadow3 = {0, "r_shadow3", "65536"};
-cvar_t r_shadow4 = {0, "r_shadow4", "1"};
-cvar_t r_shadow5 = {0, "r_shadow5", "0"};
-cvar_t r_shadow6 = {0, "r_shadow6", "1"};
-cvar_t r_light_realtime = {0, "r_light_realtime", "0"};
-cvar_t r_light_quality = {0, "r_light_quality", "1"};
-cvar_t r_light_gloss = {0, "r_light_gloss", "0"};
-cvar_t r_light_debuglight = {0, "r_light_debuglight", "-1"};
+int c_rt_lights, c_rt_clears, c_rt_scissored;
+int c_rt_shadowmeshes, c_rt_shadowtris, c_rt_lightmeshes, c_rt_lighttris;
+int c_rtcached_shadowmeshes, c_rtcached_shadowtris;
+
+void R_Shadow_ClearWorldLights(void);
+void R_Shadow_SaveWorldLights(void);
+void R_Shadow_LoadWorldLights(void);
+void R_Shadow_LoadLightsFile(void);
+void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void);
void r_shadow_start(void)
{
r_shadow_mempool = Mem_AllocPool("R_Shadow");
maxshadowelements = 0;
shadowelements = NULL;
+ maxshadowvertices = 0;
+ shadowvertex3f = NULL;
maxtrianglefacinglight = 0;
trianglefacinglight = NULL;
- r_shadow_normalsattenuationtexture = NULL;
- r_shadow_normalscubetexture = NULL;
+ trianglefacinglightlist = NULL;
+ r_shadow_normalcubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
+ r_shadow_attenuation3dtexture = NULL;
r_shadow_blankbumptexture = NULL;
+ r_shadow_blankglosstexture = NULL;
+ r_shadow_blankwhitetexture = NULL;
r_shadow_texturepool = NULL;
+ R_Shadow_ClearWorldLights();
+ r_shadow_reloadlights = true;
}
void r_shadow_shutdown(void)
{
- r_shadow_normalsattenuationtexture = NULL;
- r_shadow_normalscubetexture = NULL;
+ R_Shadow_ClearWorldLights();
+ r_shadow_reloadlights = true;
+ r_shadow_normalcubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
+ r_shadow_attenuation3dtexture = NULL;
r_shadow_blankbumptexture = NULL;
+ r_shadow_blankglosstexture = NULL;
+ r_shadow_blankwhitetexture = NULL;
R_FreeTexturePool(&r_shadow_texturepool);
maxshadowelements = 0;
shadowelements = NULL;
+ maxshadowvertices = 0;
+ shadowvertex3f = NULL;
maxtrianglefacinglight = 0;
trianglefacinglight = NULL;
+ trianglefacinglightlist = NULL;
Mem_FreePool(&r_shadow_mempool);
}
void r_shadow_newmap(void)
{
+ R_Shadow_ClearWorldLights();
+ r_shadow_reloadlights = true;
}
void R_Shadow_Init(void)
{
- Cvar_RegisterVariable(&r_shadow1);
- Cvar_RegisterVariable(&r_shadow2);
- Cvar_RegisterVariable(&r_shadow3);
- Cvar_RegisterVariable(&r_shadow4);
- Cvar_RegisterVariable(&r_shadow5);
- Cvar_RegisterVariable(&r_shadow6);
- Cvar_RegisterVariable(&r_light_realtime);
- Cvar_RegisterVariable(&r_light_quality);
- Cvar_RegisterVariable(&r_light_gloss);
- Cvar_RegisterVariable(&r_light_debuglight);
+ Cvar_RegisterVariable(&r_shadow_lightattenuationpower);
+ Cvar_RegisterVariable(&r_shadow_lightattenuationscale);
+ Cvar_RegisterVariable(&r_shadow_lightintensityscale);
+ Cvar_RegisterVariable(&r_shadow_realtime);
+ Cvar_RegisterVariable(&r_shadow_gloss);
+ Cvar_RegisterVariable(&r_shadow_debuglight);
+ Cvar_RegisterVariable(&r_shadow_scissor);
+ Cvar_RegisterVariable(&r_shadow_bumpscale_bumpmap);
+ Cvar_RegisterVariable(&r_shadow_bumpscale_basetexture);
+ Cvar_RegisterVariable(&r_shadow_shadownudge);
+ Cvar_RegisterVariable(&r_shadow_portallight);
+ Cvar_RegisterVariable(&r_shadow_projectdistance);
+ Cvar_RegisterVariable(&r_shadow_texture3d);
+ R_Shadow_EditLights_Init();
R_RegisterModule("R_Shadow", r_shadow_start, r_shadow_shutdown, r_shadow_newmap);
}
-void R_Shadow_Volume(int numverts, int numtris, float *vertex, int *elements, int *neighbors, vec3_t relativelightorigin, float lightradius, float projectdistance, int visiblevolume)
+void R_Shadow_ProjectVertex3f(float *verts, int numverts, const float *relativelightorigin, float projectdistance)
+{
+ int i;
+ float *in, *out, diff[3];
+ in = verts;
+ out = verts + numverts * 3;
+ for (i = 0;i < numverts;i++, in += 3, out += 3)
+ {
+ VectorSubtract(in, relativelightorigin, diff);
+ VectorNormalizeFast(diff);
+ VectorMA(in, projectdistance, diff, out);
+ VectorMA(in, r_shadow_shadownudge.value, diff, in);
+ }
+}
+
+int R_Shadow_MakeTriangleShadowFlags_Vertex3f(const int *elements, const float *vertex, int numtris, qbyte *facing, int *list, const float *relativelightorigin)
+{
+ int i, tris = 0;
+ const float *v0, *v1, *v2;
+ for (i = 0;i < numtris;i++, elements += 3)
+ {
+ // calculate triangle facing flag
+ v0 = vertex + elements[0] * 3;
+ v1 = vertex + elements[1] * 3;
+ v2 = vertex + elements[2] * 3;
+ if(PointInfrontOfTriangle(relativelightorigin, v0, v1, v2))
+ {
+ facing[i] = true;
+ list[tris++] = i;
+ }
+ else
+ facing[i] = false;
+ }
+ return tris;
+}
+
+int R_Shadow_BuildShadowVolumeTriangles(const int *elements, const int *neighbors, int numverts, const qbyte *facing, const int *facinglist, int numfacing, int *out)
+{
+ int i, tris;
+ const int *e, *n;
+ // check each frontface for bordering backfaces,
+ // and cast shadow polygons from those edges,
+ // also create front and back caps for shadow volume
+ tris = numfacing * 2;
+ // output front caps
+ for (i = 0;i < numfacing;i++)
+ {
+ e = elements + facinglist[i] * 3;
+ out[0] = e[0];
+ out[1] = e[1];
+ out[2] = e[2];
+ out += 3;
+ }
+ // output back caps
+ for (i = 0;i < numfacing;i++)
+ {
+ e = elements + facinglist[i] * 3;
+ out[0] = e[2] + numverts;
+ out[1] = e[1] + numverts;
+ out[2] = e[0] + numverts;
+ out += 3;
+ }
+ // output sides around frontfaces
+ for (i = 0;i < numfacing;i++)
+ {
+ n = neighbors + facinglist[i] * 3;
+ // check the edges
+ if (n[0] < 0 || !facing[n[0]])
+ {
+ e = elements + facinglist[i] * 3;
+ out[0] = e[1];
+ out[1] = e[0];
+ out[2] = e[0] + numverts;
+ out[3] = e[1];
+ out[4] = e[0] + numverts;
+ out[5] = e[1] + numverts;
+ out += 6;
+ tris += 2;
+ }
+ if (n[1] < 0 || !facing[n[1]])
+ {
+ e = elements + facinglist[i] * 3;
+ out[0] = e[2];
+ out[1] = e[1];
+ out[2] = e[1] + numverts;
+ out[3] = e[2];
+ out[4] = e[1] + numverts;
+ out[5] = e[2] + numverts;
+ out += 6;
+ tris += 2;
+ }
+ if (n[2] < 0 || !facing[n[2]])
+ {
+ e = elements + facinglist[i] * 3;
+ out[0] = e[0];
+ out[1] = e[2];
+ out[2] = e[2] + numverts;
+ out[3] = e[0];
+ out[4] = e[2] + numverts;
+ out[5] = e[0] + numverts;
+ out += 6;
+ tris += 2;
+ }
+ }
+ return tris;
+}
+
+void R_Shadow_ResizeTriangleFacingLight(int numtris)
+{
+ // make sure trianglefacinglight is big enough for this volume
+ // ameks ru ertaignelaficgnilhg tsib gie ongu hof rhtsiv lomu e
+ // m4k3 5ur3 7r14ng13f4c1n5115h7 15 b15 3n0u5h f0r 7h15 v01um3
+ if (maxtrianglefacinglight < numtris)
+ {
+ maxtrianglefacinglight = numtris;
+ if (trianglefacinglight)
+ Mem_Free(trianglefacinglight);
+ if (trianglefacinglightlist)
+ Mem_Free(trianglefacinglightlist);
+ trianglefacinglight = Mem_Alloc(r_shadow_mempool, maxtrianglefacinglight);
+ trianglefacinglightlist = Mem_Alloc(r_shadow_mempool, sizeof(int) * maxtrianglefacinglight);
+ }
+}
+
+int *R_Shadow_ResizeShadowElements(int numtris)
+{
+ // make sure shadowelements is big enough for this volume
+ if (maxshadowelements < numtris * 24)
+ {
+ maxshadowelements = numtris * 24;
+ if (shadowelements)
+ Mem_Free(shadowelements);
+ shadowelements = Mem_Alloc(r_shadow_mempool, maxshadowelements * sizeof(int));
+ }
+ return shadowelements;
+}
+
+float *R_Shadow_VertexBuffer(int numvertices)
+{
+ if (maxshadowvertices < numvertices)
+ {
+ maxshadowvertices = numvertices;
+ if (shadowvertex3f)
+ Mem_Free(shadowvertex3f);
+ shadowvertex3f = Mem_Alloc(r_shadow_mempool, maxshadowvertices * sizeof(float[3]));
+ }
+ return shadowvertex3f;
+}
+
+void R_Shadow_Volume(int numverts, int numtris, int *elements, int *neighbors, vec3_t relativelightorigin, float lightradius, float projectdistance)
{
- int i, *e, *n, *out, tris;
- float *v0, *v1, *v2, temp[3], f;
+ int tris;
if (projectdistance < 0.1)
{
Con_Printf("R_Shadow_Volume: projectdistance %f\n");
return;
}
+ if (!numverts)
+ return;
// terminology:
//
// frontface:
// a triangle not facing the light source
//
// shadow volume:
-// an extrusion of the backfaces, beginning at the original geometry and
+// an extrusion of the frontfaces, beginning at the original geometry and
// ending further from the light source than the original geometry
// (presumably at least as far as the light's radius, if the light has a
// radius at all), capped at both front and back to avoid any problems
// description:
// draws the shadow volumes of the model.
// requirements:
-// vertex loations must already be in vertex before use.
-// vertex must have capacity for numverts * 2.
+// vertex locations must already be in varray_vertex3f before use.
+// varray_vertex3f must have capacity for numverts * 2.
// make sure trianglefacinglight is big enough for this volume
if (maxtrianglefacinglight < numtris)
- {
- maxtrianglefacinglight = numtris;
- if (trianglefacinglight)
- Mem_Free(trianglefacinglight);
- trianglefacinglight = Mem_Alloc(r_shadow_mempool, maxtrianglefacinglight);
- }
+ R_Shadow_ResizeTriangleFacingLight(numtris);
// make sure shadowelements is big enough for this volume
if (maxshadowelements < numtris * 24)
- {
- maxshadowelements = numtris * 24;
- if (shadowelements)
- Mem_Free(shadowelements);
- shadowelements = Mem_Alloc(r_shadow_mempool, maxshadowelements * sizeof(int));
- }
-
- // make projected vertices
- // by clever use of elements we'll construct the whole shadow from
- // the unprojected vertices and these projected vertices
- for (i = 0, v0 = vertex, v1 = vertex + numverts * 4;i < numverts;i++, v0 += 4, v1 += 4)
- {
-#if 1
- v1[0] = v0[0] + 50.0f * (v0[0] - relativelightorigin[0]);
- v1[1] = v0[1] + 50.0f * (v0[1] - relativelightorigin[1]);
- v1[2] = v0[2] + 50.0f * (v0[2] - relativelightorigin[2]);
-#elif 0
- VectorSubtract(v0, relativelightorigin, temp);
- f = lightradius / sqrt(DotProduct(temp,temp));
- if (f < 1)
- f = 1;
- VectorMA(relativelightorigin, f, temp, v1);
-#else
- VectorSubtract(v0, relativelightorigin, temp);
- f = projectdistance / sqrt(DotProduct(temp,temp));
- VectorMA(v0, f, temp, v1);
-#endif
- }
+ R_Shadow_ResizeShadowElements(numtris);
// check which triangles are facing the light
- for (i = 0, e = elements;i < numtris;i++, e += 3)
- {
- // calculate triangle facing flag
- v0 = vertex + e[0] * 4;
- v1 = vertex + e[1] * 4;
- v2 = vertex + e[2] * 4;
- // we do not need to normalize the surface normal because both sides
- // of the comparison use it, therefore they are both multiplied the
- // same amount... furthermore the subtract can be done on the
- // vectors, saving a little bit of math in the dotproducts
-#if 0
- // fast version
- // subtracts v1 from v0 and v2, combined into a crossproduct,
- // combined with a dotproduct of the light location relative to the
- // first point of the triangle (any point works, since the triangle
- // is obviously flat), and finally a comparison to determine if the
- // light is infront of the triangle (the goal of this statement)
- trianglefacinglight[i] =
- (relativelightorigin[0] - v0[0]) * ((v0[1] - v1[1]) * (v2[2] - v1[2]) - (v0[2] - v1[2]) * (v2[1] - v1[1]))
- + (relativelightorigin[1] - v0[1]) * ((v0[2] - v1[2]) * (v2[0] - v1[0]) - (v0[0] - v1[0]) * (v2[2] - v1[2]))
- + (relativelightorigin[2] - v0[2]) * ((v0[0] - v1[0]) * (v2[1] - v1[1]) - (v0[1] - v1[1]) * (v2[0] - v1[0])) > 0;
-#else
- // readable version
- {
- float dir0[3], dir1[3];
-
- // calculate two mostly perpendicular edge directions
- VectorSubtract(v0, v1, dir0);
- VectorSubtract(v2, v1, dir1);
-
- // we have two edge directions, we can calculate a third vector from
- // them, which is the direction of the surface normal (it's magnitude
- // is not 1 however)
- CrossProduct(dir0, dir1, temp);
-
- // this is entirely unnecessary, but kept for clarity
- //VectorNormalize(temp);
-
- // compare distance of light along normal, with distance of any point
- // of the triangle along the same normal (the triangle is planar,
- // I.E. flat, so all points give the same answer)
- // the normal is not normalized because it is used on both sides of
- // the comparison, so it's magnitude does not matter
- //trianglefacinglight[i] = DotProduct(relativelightorigin, temp) >= DotProduct(v0, temp);
- f = DotProduct(relativelightorigin, temp) - DotProduct(v0, temp);
- trianglefacinglight[i] = f > 0 && f < lightradius * sqrt(DotProduct(temp, temp));
- }
-#endif
- }
+ tris = R_Shadow_MakeTriangleShadowFlags_Vertex3f(elements, varray_vertex3f, numtris, trianglefacinglight, trianglefacinglightlist, relativelightorigin);
+ if (!tris)
+ return;
// output triangle elements
- out = shadowelements;
- tris = 0;
+ tris = R_Shadow_BuildShadowVolumeTriangles(elements, neighbors, numverts, trianglefacinglight, trianglefacinglightlist, tris, shadowelements);
+ if (!tris)
+ return;
- // check each backface for bordering frontfaces,
- // and cast shadow polygons from those edges,
- // also create front and back caps for shadow volume
- for (i = 0, e = elements, n = neighbors;i < numtris;i++, e += 3, n += 3)
- {
- if (!trianglefacinglight[i])
- {
- // triangle is backface and therefore casts shadow,
- // output front and back caps for shadow volume
-#if 1
- // front cap (with flipped winding order)
- out[0] = e[0];
- out[1] = e[2];
- out[2] = e[1];
- // rear cap
- out[3] = e[0] + numverts;
- out[4] = e[1] + numverts;
- out[5] = e[2] + numverts;
- out += 6;
- tris += 2;
-#else if 1
- // rear cap
- out[0] = e[0] + numverts;
- out[1] = e[1] + numverts;
- out[2] = e[2] + numverts;
- out += 3;
- tris += 1;
-#endif
- // check the edges
- if (n[0] < 0 || trianglefacinglight[n[0]])
- {
- out[0] = e[0];
- out[1] = e[1];
- out[2] = e[1] + numverts;
- out[3] = e[0];
- out[4] = e[1] + numverts;
- out[5] = e[0] + numverts;
- out += 6;
- tris += 2;
- }
- if (n[1] < 0 || trianglefacinglight[n[1]])
- {
- out[0] = e[1];
- out[1] = e[2];
- out[2] = e[2] + numverts;
- out[3] = e[1];
- out[4] = e[2] + numverts;
- out[5] = e[1] + numverts;
- out += 6;
- tris += 2;
- }
- if (n[2] < 0 || trianglefacinglight[n[2]])
- {
- out[0] = e[2];
- out[1] = e[0];
- out[2] = e[0] + numverts;
- out[3] = e[2];
- out[4] = e[0] + numverts;
- out[5] = e[2] + numverts;
- out += 6;
- tris += 2;
- }
- }
- }
- R_Shadow_RenderVolume(numverts * 2, tris, shadowelements, visiblevolume);
-}
+ // by clever use of elements we can construct the whole shadow from
+ // the unprojected vertices and the projected vertices
+ R_Shadow_ProjectVertex3f(varray_vertex3f, numverts, relativelightorigin, projectdistance);
-void R_Shadow_RenderVolume(int numverts, int numtris, int *elements, int visiblevolume)
-{
- // draw the volume
- if (visiblevolume)
- {
- //qglDisable(GL_CULL_FACE);
- R_Mesh_Draw(numverts, numtris, elements);
- //qglEnable(GL_CULL_FACE);
- }
- else
+ if (r_shadowstage == SHADOWSTAGE_STENCIL)
{
// increment stencil if backface is behind depthbuffer
qglCullFace(GL_BACK); // quake is backwards, this culls front faces
qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
- R_Mesh_Draw(numverts, numtris, elements);
+ R_Mesh_Draw(numverts * 2, tris, shadowelements);
+ c_rt_shadowmeshes++;
+ c_rt_shadowtris += numtris;
// decrement stencil if frontface is behind depthbuffer
qglCullFace(GL_FRONT); // quake is backwards, this culls back faces
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
- R_Mesh_Draw(numverts, numtris, elements);
}
+ R_Mesh_Draw(numverts * 2, tris, shadowelements);
+ c_rt_shadowmeshes++;
+ c_rt_shadowtris += numtris;
}
-float r_shadow_atten1, r_shadow_atten2, r_shadow_atten5;
-#define ATTEN3DSIZE 64
-static void R_Shadow_Make3DTextures(void)
+void R_Shadow_RenderShadowMeshVolume(shadowmesh_t *firstmesh)
{
- int x, y, z, d;
- float v[3], intensity, ilen, length;
- qbyte data[ATTEN3DSIZE][ATTEN3DSIZE][ATTEN3DSIZE][4];
- if (r_light_quality.integer != 1 || !gl_texture3d)
- return;
- for (z = 0;z < ATTEN3DSIZE;z++)
+ shadowmesh_t *mesh;
+ if (r_shadowstage == SHADOWSTAGE_STENCIL)
{
- for (y = 0;y < ATTEN3DSIZE;y++)
+ // increment stencil if backface is behind depthbuffer
+ qglCullFace(GL_BACK); // quake is backwards, this culls front faces
+ qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
+ for (mesh = firstmesh;mesh;mesh = mesh->next)
{
- for (x = 0;x < ATTEN3DSIZE;x++)
- {
- v[0] = (x + 0.5f) * (2.0f / (float) ATTEN3DSIZE) - 1.0f;
- v[1] = (y + 0.5f) * (2.0f / (float) ATTEN3DSIZE) - 1.0f;
- v[2] = (z + 0.5f) * (2.0f / (float) ATTEN3DSIZE) - 1.0f;
- length = sqrt(DotProduct(v, v));
- if (DotProduct(v, v) < 1)
- intensity = (((r_shadow_atten1 / (length*length + r_shadow_atten5)) - (r_shadow_atten1 * r_shadow_atten2))) / 256.0f;
- else
- intensity = 0;
- ilen = 127.0f * bound(0, intensity, 1) / length;
- data[z][y][x][0] = 128.0f + ilen * v[0];
- data[z][y][x][1] = 128.0f + ilen * v[1];
- data[z][y][x][2] = 128.0f + ilen * v[2];
- data[z][y][x][3] = 255;
- }
+ R_Mesh_GetSpace(mesh->numverts);
+ R_Mesh_CopyVertex3f(mesh->vertex3f, mesh->numverts);
+ R_Mesh_Draw(mesh->numverts, mesh->numtriangles, mesh->element3i);
+ c_rtcached_shadowmeshes++;
+ c_rtcached_shadowtris += mesh->numtriangles;
}
+ // decrement stencil if frontface is behind depthbuffer
+ qglCullFace(GL_FRONT); // quake is backwards, this culls back faces
+ qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
+ }
+ for (mesh = firstmesh;mesh;mesh = mesh->next)
+ {
+ R_Mesh_GetSpace(mesh->numverts);
+ R_Mesh_CopyVertex3f(mesh->vertex3f, mesh->numverts);
+ R_Mesh_Draw(mesh->numverts, mesh->numtriangles, mesh->element3i);
+ c_rtcached_shadowmeshes++;
+ c_rtcached_shadowtris += mesh->numtriangles;
}
- r_shadow_normalsattenuationtexture = R_LoadTexture3D(r_shadow_texturepool, "normalsattenuation", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP);
}
+float r_shadow_attenpower, r_shadow_attenscale;
static void R_Shadow_MakeTextures(void)
{
int x, y, z, d, side;
float v[3], s, t, intensity;
- qbyte data[6][128][128][4];
+ qbyte *data;
R_FreeTexturePool(&r_shadow_texturepool);
r_shadow_texturepool = R_AllocTexturePool();
- r_shadow_atten1 = r_shadow1.value;
- r_shadow_atten2 = r_shadow2.value;
- r_shadow_atten5 = r_shadow5.value;
- for (y = 0;y < 128;y++)
- {
- for (x = 0;x < 128;x++)
- {
- data[0][y][x][0] = 128;
- data[0][y][x][1] = 128;
- data[0][y][x][2] = 255;
- data[0][y][x][3] = 255;
- }
- }
- r_shadow_blankbumptexture = R_LoadTexture(r_shadow_texturepool, "blankbump", 128, 128, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE);
- for (side = 0;side < 6;side++)
+ r_shadow_attenpower = r_shadow_lightattenuationpower.value;
+ r_shadow_attenscale = r_shadow_lightattenuationscale.value;
+#define NORMSIZE 64
+#define ATTEN2DSIZE 64
+#define ATTEN3DSIZE 32
+ data = Mem_Alloc(tempmempool, max(6*NORMSIZE*NORMSIZE*4, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4)));
+ data[0] = 128;
+ data[1] = 128;
+ data[2] = 255;
+ data[3] = 255;
+ r_shadow_blankbumptexture = R_LoadTexture2D(r_shadow_texturepool, "blankbump", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ data[0] = 255;
+ data[1] = 255;
+ data[2] = 255;
+ data[3] = 255;
+ r_shadow_blankglosstexture = R_LoadTexture2D(r_shadow_texturepool, "blankgloss", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ data[0] = 255;
+ data[1] = 255;
+ data[2] = 255;
+ data[3] = 255;
+ r_shadow_blankwhitetexture = R_LoadTexture2D(r_shadow_texturepool, "blankwhite", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ if (gl_texturecubemap)
{
- for (y = 0;y < 128;y++)
+ for (side = 0;side < 6;side++)
{
- for (x = 0;x < 128;x++)
+ for (y = 0;y < NORMSIZE;y++)
{
- s = (x + 0.5f) * (2.0f / 128.0f) - 1.0f;
- t = (y + 0.5f) * (2.0f / 128.0f) - 1.0f;
- switch(side)
+ for (x = 0;x < NORMSIZE;x++)
{
- case 0:
- v[0] = 1;
- v[1] = -t;
- v[2] = -s;
- break;
- case 1:
- v[0] = -1;
- v[1] = -t;
- v[2] = s;
- break;
- case 2:
- v[0] = s;
- v[1] = 1;
- v[2] = t;
- break;
- case 3:
- v[0] = s;
- v[1] = -1;
- v[2] = -t;
- break;
- case 4:
- v[0] = s;
- v[1] = -t;
- v[2] = 1;
- break;
- case 5:
- v[0] = -s;
- v[1] = -t;
- v[2] = -1;
- break;
+ s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
+ t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
+ switch(side)
+ {
+ case 0:
+ v[0] = 1;
+ v[1] = -t;
+ v[2] = -s;
+ break;
+ case 1:
+ v[0] = -1;
+ v[1] = -t;
+ v[2] = s;
+ break;
+ case 2:
+ v[0] = s;
+ v[1] = 1;
+ v[2] = t;
+ break;
+ case 3:
+ v[0] = s;
+ v[1] = -1;
+ v[2] = -t;
+ break;
+ case 4:
+ v[0] = s;
+ v[1] = -t;
+ v[2] = 1;
+ break;
+ case 5:
+ v[0] = -s;
+ v[1] = -t;
+ v[2] = -1;
+ break;
+ }
+ intensity = 127.0f / sqrt(DotProduct(v, v));
+ data[((side*NORMSIZE+y)*NORMSIZE+x)*4+0] = 128.0f + intensity * v[0];
+ data[((side*NORMSIZE+y)*NORMSIZE+x)*4+1] = 128.0f + intensity * v[1];
+ data[((side*NORMSIZE+y)*NORMSIZE+x)*4+2] = 128.0f + intensity * v[2];
+ data[((side*NORMSIZE+y)*NORMSIZE+x)*4+3] = 255;
}
- intensity = 127.0f / sqrt(DotProduct(v, v));
- data[side][y][x][0] = 128.0f + intensity * v[0];
- data[side][y][x][1] = 128.0f + intensity * v[1];
- data[side][y][x][2] = 128.0f + intensity * v[2];
- data[side][y][x][3] = 255;
}
}
+ r_shadow_normalcubetexture = R_LoadTextureCubeMap(r_shadow_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
}
- r_shadow_normalscubetexture = R_LoadTextureCubeMap(r_shadow_texturepool, "normalscube", 128, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP);
- for (y = 0;y < 128;y++)
+ else
+ r_shadow_normalcubetexture = NULL;
+ for (y = 0;y < ATTEN2DSIZE;y++)
{
- for (x = 0;x < 128;x++)
+ for (x = 0;x < ATTEN2DSIZE;x++)
{
- v[0] = (x + 0.5f) * (2.0f / 128.0f) - 1.0f;
- v[1] = (y + 0.5f) * (2.0f / 128.0f) - 1.0f;
+ v[0] = ((x + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375);
+ v[1] = ((y + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375);
v[2] = 0;
- if (DotProduct(v, v) < 1)
- intensity = (((r_shadow_atten1 / (DotProduct(v, v)+r_shadow_atten5)) - (r_shadow_atten1 * r_shadow_atten2))) / 256.0f;
- else
- intensity = 0;
- d = bound(0, intensity, 255) / sqrt(DotProduct(v, v));
- data[0][y][x][0] = d;
- data[0][y][x][1] = d;
- data[0][y][x][2] = d;
- data[0][y][x][3] = 255;
+ intensity = 1.0f - sqrt(DotProduct(v, v));
+ if (intensity > 0)
+ intensity = pow(intensity, r_shadow_attenpower) * r_shadow_attenscale * 256.0f;
+ d = bound(0, intensity, 255);
+ data[(y*ATTEN2DSIZE+x)*4+0] = d;
+ data[(y*ATTEN2DSIZE+x)*4+1] = d;
+ data[(y*ATTEN2DSIZE+x)*4+2] = d;
+ data[(y*ATTEN2DSIZE+x)*4+3] = d;
+ }
+ }
+ r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", ATTEN2DSIZE, ATTEN2DSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL);
+ if (r_shadow_texture3d.integer)
+ {
+ for (z = 0;z < ATTEN3DSIZE;z++)
+ {
+ for (y = 0;y < ATTEN3DSIZE;y++)
+ {
+ for (x = 0;x < ATTEN3DSIZE;x++)
+ {
+ v[0] = ((x + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375);
+ v[1] = ((y + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375);
+ v[2] = ((z + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375);
+ intensity = 1.0f - sqrt(DotProduct(v, v));
+ if (intensity > 0)
+ intensity = pow(intensity, r_shadow_attenpower) * r_shadow_attenscale * 256.0f;
+ d = bound(0, intensity, 255);
+ data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+0] = d;
+ data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+1] = d;
+ data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+2] = d;
+ data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+3] = d;
+ }
+ }
}
+ r_shadow_attenuation3dtexture = R_LoadTexture3D(r_shadow_texturepool, "attenuation3d", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL);
}
- r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", 128, 128, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP);
- R_Shadow_Make3DTextures();
+ Mem_Free(data);
}
void R_Shadow_Stage_Begin(void)
{
rmeshstate_t m;
- if (r_light_quality.integer == 1 && !gl_texture3d)
- {
- Con_Printf("3D texture support not detected, falling back on slower 2D + 1D + normalization lighting\n");
- Cvar_SetValueQuick(&r_light_quality, 0);
- }
+ if (r_shadow_texture3d.integer && !gl_texture3d)
+ Cvar_SetValueQuick(&r_shadow_texture3d, 0);
+
//cl.worldmodel->numlights = min(cl.worldmodel->numlights, 1);
if (!r_shadow_attenuation2dtexture
- || (r_light_quality.integer == 1 && !r_shadow_normalsattenuationtexture)
- || r_shadow1.value != r_shadow_atten1
- || r_shadow2.value != r_shadow_atten2
- || r_shadow5.value != r_shadow_atten5)
+ || (!r_shadow_attenuation3dtexture && r_shadow_texture3d.integer)
+ || r_shadow_lightattenuationpower.value != r_shadow_attenpower
+ || r_shadow_lightattenuationscale.value != r_shadow_attenscale)
R_Shadow_MakeTextures();
+ if (r_shadow_reloadlights && cl.worldmodel)
+ {
+ R_Shadow_ClearWorldLights();
+ r_shadow_reloadlights = false;
+ R_Shadow_LoadWorldLights();
+ if (r_shadow_worldlightchain == NULL)
+ {
+ R_Shadow_LoadLightsFile();
+ if (r_shadow_worldlightchain == NULL)
+ R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite();
+ }
+ }
memset(&m, 0, sizeof(m));
m.blendfunc1 = GL_ONE;
m.blendfunc2 = GL_ZERO;
R_Mesh_State(&m);
GL_Color(0, 0, 0, 1);
+ r_shadowstage = SHADOWSTAGE_NONE;
+
+ c_rt_lights = c_rt_clears = c_rt_scissored = 0;
+ c_rt_shadowmeshes = c_rt_shadowtris = c_rt_lightmeshes = c_rt_lighttris = 0;
+ c_rtcached_shadowmeshes = c_rtcached_shadowtris = 0;
}
void R_Shadow_Stage_ShadowVolumes(void)
qglDisable(GL_BLEND);
qglDepthMask(0);
qglDepthFunc(GL_LESS);
- qglClearStencil(0);
- qglClear(GL_STENCIL_BUFFER_BIT);
qglEnable(GL_STENCIL_TEST);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
- qglStencilFunc(GL_ALWAYS, 0, 0xFF);
+ qglStencilFunc(GL_ALWAYS, 128, 0xFF);
+ qglEnable(GL_CULL_FACE);
+ qglEnable(GL_DEPTH_TEST);
+ r_shadowstage = SHADOWSTAGE_STENCIL;
+ qglClear(GL_STENCIL_BUFFER_BIT);
+ c_rt_clears++;
+ // LordHavoc note: many shadow volumes reside entirely inside the world
+ // (that is to say they are entirely bounded by their lit surfaces),
+ // which can be optimized by handling things as an inverted light volume,
+ // with the shadow boundaries of the world being simulated by an altered
+ // (129) bias to stencil clearing on such lights
+ // FIXME: generate inverted light volumes for use as shadow volumes and
+ // optimize for them as noted above
+}
+
+void R_Shadow_Stage_LightWithoutShadows(void)
+{
+ rmeshstate_t m;
+ memset(&m, 0, sizeof(m));
+ R_Mesh_TextureState(&m);
+ qglActiveTexture(GL_TEXTURE0_ARB);
+
+ qglEnable(GL_BLEND);
+ qglBlendFunc(GL_ONE, GL_ONE);
+ GL_Color(1, 1, 1, 1);
+ qglColorMask(1, 1, 1, 1);
+ qglDepthMask(0);
+ qglDepthFunc(GL_EQUAL);
+ qglDisable(GL_STENCIL_TEST);
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+ qglStencilFunc(GL_EQUAL, 128, 0xFF);
+ qglEnable(GL_CULL_FACE);
+ qglEnable(GL_DEPTH_TEST);
+ r_shadowstage = SHADOWSTAGE_LIGHT;
+ c_rt_lights++;
}
-void R_Shadow_Stage_Light(void)
+void R_Shadow_Stage_LightWithShadows(void)
{
rmeshstate_t m;
memset(&m, 0, sizeof(m));
qglEnable(GL_STENCIL_TEST);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
// only draw light where this geometry was already rendered AND the
- // stencil is 0 (non-zero means shadow)
- qglStencilFunc(GL_EQUAL, 0, 0xFF);
+ // stencil is 128 (values other than this mean shadow)
+ qglStencilFunc(GL_EQUAL, 128, 0xFF);
+ qglEnable(GL_CULL_FACE);
+ qglEnable(GL_DEPTH_TEST);
+ r_shadowstage = SHADOWSTAGE_LIGHT;
+ c_rt_lights++;
}
void R_Shadow_Stage_End(void)
// now restore the rest of the state to normal
GL_Color(1, 1, 1, 1);
qglColorMask(1, 1, 1, 1);
+ qglDisable(GL_SCISSOR_TEST);
qglDepthFunc(GL_LEQUAL);
qglDisable(GL_STENCIL_TEST);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
- qglStencilFunc(GL_ALWAYS, 0, 0xFF);
+ qglStencilFunc(GL_ALWAYS, 128, 0xFF);
+ qglEnable(GL_CULL_FACE);
+ qglEnable(GL_DEPTH_TEST);
+ // force mesh state to reset by using various combinations of features
+ memset(&m, 0, sizeof(m));
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+ R_Mesh_State(&m);
+ m.blendfunc1 = GL_ONE;
+ m.blendfunc2 = GL_ZERO;
+ R_Mesh_State(&m);
+ r_shadowstage = SHADOWSTAGE_NONE;
}
-void R_Shadow_GenTexCoords_Attenuation2D(float *out, int numverts, const float *vertex, const float *svectors, const float *tvectors, const vec3_t relativelightorigin, float lightradius)
+#if 0
+int R_Shadow_ScissorForBBoxAndSphere(const float *mins, const float *maxs, const float *origin, float radius)
{
- int i;
- float lightvec[3], iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, svectors += 4, tvectors += 4, out += 4)
+ int i, ix1, iy1, ix2, iy2;
+ float x1, y1, x2, y2, x, y;
+ vec3_t smins, smaxs;
+ vec4_t v, v2;
+ if (!r_shadow_scissor.integer)
+ return false;
+ // if view is inside the box, just say yes it's visible
+ if (r_origin[0] >= mins[0] && r_origin[0] <= maxs[0]
+ && r_origin[1] >= mins[1] && r_origin[1] <= maxs[1]
+ && r_origin[2] >= mins[2] && r_origin[2] <= maxs[2])
{
- VectorSubtract(vertex, relativelightorigin, lightvec);
- out[0] = 0.5f + DotProduct(svectors, lightvec) * iradius;
- out[1] = 0.5f + DotProduct(tvectors, lightvec) * iradius;
+ qglDisable(GL_SCISSOR_TEST);
+ return false;
}
-}
-
-void R_Shadow_GenTexCoords_Attenuation1D(float *out, int numverts, const float *vertex, const float *normals, const vec3_t relativelightorigin, float lightradius)
-{
- int i;
- float lightvec[3], iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, normals += 4, out += 4)
+ VectorSubtract(r_origin, origin, v);
+ if (DotProduct(v, v) < radius * radius)
{
- VectorSubtract(vertex, relativelightorigin, lightvec);
- out[0] = 0.5f + DotProduct(normals, lightvec) * iradius;
- out[1] = 0.5f;
+ qglDisable(GL_SCISSOR_TEST);
+ return false;
}
-}
-
-void R_Shadow_GenTexCoords_Diffuse_Attenuation3D(float *out, int numverts, const float *vertex, const float *svectors, const float *tvectors, const float *normals, const vec3_t relativelightorigin, float lightradius)
-{
- int i;
- float lightvec[3], iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, svectors += 4, tvectors += 4, normals += 4, out += 4)
+ // create viewspace bbox
+ for (i = 0;i < 8;i++)
{
- VectorSubtract(vertex, relativelightorigin, lightvec);
- out[0] = 0.5f + DotProduct(svectors, lightvec) * iradius;
- out[1] = 0.5f + DotProduct(tvectors, lightvec) * iradius;
- out[2] = 0.5f + DotProduct(normals, lightvec) * iradius;
+ v[0] = ((i & 1) ? mins[0] : maxs[0]) - r_origin[0];
+ v[1] = ((i & 2) ? mins[1] : maxs[1]) - r_origin[1];
+ v[2] = ((i & 4) ? mins[2] : maxs[2]) - r_origin[2];
+ v2[0] = DotProduct(v, vright);
+ v2[1] = DotProduct(v, vup);
+ v2[2] = DotProduct(v, vpn);
+ if (i)
+ {
+ if (smins[0] > v2[0]) smins[0] = v2[0];
+ if (smaxs[0] < v2[0]) smaxs[0] = v2[0];
+ if (smins[1] > v2[1]) smins[1] = v2[1];
+ if (smaxs[1] < v2[1]) smaxs[1] = v2[1];
+ if (smins[2] > v2[2]) smins[2] = v2[2];
+ if (smaxs[2] < v2[2]) smaxs[2] = v2[2];
+ }
+ else
+ {
+ smins[0] = smaxs[0] = v2[0];
+ smins[1] = smaxs[1] = v2[1];
+ smins[2] = smaxs[2] = v2[2];
+ }
}
-}
-
-void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out, int numverts, const float *vertex, const float *svectors, const float *tvectors, const float *normals, const vec3_t relativelightorigin, float lightradius)
-{
- int i;
- float lightdir[3], iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, svectors += 4, tvectors += 4, normals += 4, out += 4)
+ // now we have a bbox in viewspace
+ // clip it to the viewspace version of the sphere
+ v[0] = origin[0] - r_origin[0];
+ v[1] = origin[1] - r_origin[1];
+ v[2] = origin[2] - r_origin[2];
+ v2[0] = DotProduct(v, vright);
+ v2[1] = DotProduct(v, vup);
+ v2[2] = DotProduct(v, vpn);
+ if (smins[0] < v2[0] - radius) smins[0] = v2[0] - radius;
+ if (smaxs[0] < v2[0] - radius) smaxs[0] = v2[0] + radius;
+ if (smins[1] < v2[1] - radius) smins[1] = v2[1] - radius;
+ if (smaxs[1] < v2[1] - radius) smaxs[1] = v2[1] + radius;
+ if (smins[2] < v2[2] - radius) smins[2] = v2[2] - radius;
+ if (smaxs[2] < v2[2] - radius) smaxs[2] = v2[2] + radius;
+ // clip it to the view plane
+ if (smins[2] < 1)
+ smins[2] = 1;
+ // return true if that culled the box
+ if (smins[2] >= smaxs[2])
+ return true;
+ // ok some of it is infront of the view, transform each corner back to
+ // worldspace and then to screenspace and make screen rect
+ // initialize these variables just to avoid compiler warnings
+ x1 = y1 = x2 = y2 = 0;
+ for (i = 0;i < 8;i++)
{
- VectorSubtract(vertex, relativelightorigin, lightdir);
- // the cubemap normalizes this for us
- out[0] = DotProduct(svectors, lightdir);
- out[1] = DotProduct(tvectors, lightdir);
- out[2] = DotProduct(normals, lightdir);
+ v2[0] = (i & 1) ? smins[0] : smaxs[0];
+ v2[1] = (i & 2) ? smins[1] : smaxs[1];
+ v2[2] = (i & 4) ? smins[2] : smaxs[2];
+ v[0] = v2[0] * vright[0] + v2[1] * vup[0] + v2[2] * vpn[0] + r_origin[0];
+ v[1] = v2[0] * vright[1] + v2[1] * vup[1] + v2[2] * vpn[1] + r_origin[1];
+ v[2] = v2[0] * vright[2] + v2[1] * vup[2] + v2[2] * vpn[2] + r_origin[2];
+ v[3] = 1.0f;
+ GL_TransformToScreen(v, v2);
+ //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
+ x = v2[0];
+ y = v2[1];
+ if (i)
+ {
+ if (x1 > x) x1 = x;
+ if (x2 < x) x2 = x;
+ if (y1 > y) y1 = y;
+ if (y2 < y) y2 = y;
+ }
+ else
+ {
+ x1 = x2 = x;
+ y1 = y2 = y;
+ }
}
-}
-
-void R_Shadow_GenTexCoords_Specular_Attenuation3D(float *out, int numverts, const float *vertex, const float *svectors, const float *tvectors, const float *normals, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin, float lightradius)
-{
- int i;
- float lightdir[3], eyedir[3], halfdir[3], lightdirlen, ilen, iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, svectors += 4, tvectors += 4, normals += 4, out += 4)
+ /*
+ // this code doesn't handle boxes with any points behind view properly
+ x1 = 1000;x2 = -1000;
+ y1 = 1000;y2 = -1000;
+ for (i = 0;i < 8;i++)
{
- VectorSubtract(vertex, relativelightorigin, lightdir);
- // this is used later to make the attenuation correct
- lightdirlen = sqrt(DotProduct(lightdir, lightdir)) * iradius;
- VectorNormalizeFast(lightdir);
- VectorSubtract(vertex, relativeeyeorigin, eyedir);
- VectorNormalizeFast(eyedir);
- VectorAdd(lightdir, eyedir, halfdir);
- VectorNormalizeFast(halfdir);
- out[0] = 0.5f + DotProduct(svectors, halfdir) * lightdirlen;
- out[1] = 0.5f + DotProduct(tvectors, halfdir) * lightdirlen;
- out[2] = 0.5f + DotProduct(normals, halfdir) * lightdirlen;
+ v[0] = (i & 1) ? mins[0] : maxs[0];
+ v[1] = (i & 2) ? mins[1] : maxs[1];
+ v[2] = (i & 4) ? mins[2] : maxs[2];
+ v[3] = 1.0f;
+ GL_TransformToScreen(v, v2);
+ //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
+ if (v2[2] > 0)
+ {
+ x = v2[0];
+ y = v2[1];
+
+ if (x1 > x) x1 = x;
+ if (x2 < x) x2 = x;
+ if (y1 > y) y1 = y;
+ if (y2 < y) y2 = y;
+ }
}
+ */
+ ix1 = x1 - 1.0f;
+ iy1 = y1 - 1.0f;
+ ix2 = x2 + 1.0f;
+ iy2 = y2 + 1.0f;
+ //Con_Printf("%f %f %f %f\n", x1, y1, x2, y2);
+ if (ix1 < r_refdef.x) ix1 = r_refdef.x;
+ if (iy1 < r_refdef.y) iy1 = r_refdef.y;
+ if (ix2 > r_refdef.x + r_refdef.width) ix2 = r_refdef.x + r_refdef.width;
+ if (iy2 > r_refdef.y + r_refdef.height) iy2 = r_refdef.y + r_refdef.height;
+ if (ix2 <= ix1 || iy2 <= iy1)
+ return true;
+ // set up the scissor rectangle
+ qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);
+ qglEnable(GL_SCISSOR_TEST);
+ c_rt_scissored++;
+ return false;
}
+#endif
-void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out, int numverts, const float *vertex, const float *svectors, const float *tvectors, const float *normals, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin, float lightradius)
+int R_Shadow_ScissorForBBox(const float *mins, const float *maxs)
{
- int i;
- float lightdir[3], eyedir[3], halfdir[3], lightdirlen, ilen, iradius;
- iradius = 0.5f / lightradius;
- for (i = 0;i < numverts;i++, vertex += 4, svectors += 4, tvectors += 4, normals += 4, out += 4)
+ int i, ix1, iy1, ix2, iy2;
+ float x1, y1, x2, y2, x, y, f;
+ vec3_t smins, smaxs;
+ vec4_t v, v2;
+ if (!r_shadow_scissor.integer)
+ return false;
+ // if view is inside the box, just say yes it's visible
+ if (BoxesOverlap(r_origin, r_origin, mins, maxs))
{
- VectorSubtract(vertex, relativelightorigin, lightdir);
- VectorNormalizeFast(lightdir);
- VectorSubtract(vertex, relativeeyeorigin, eyedir);
- VectorNormalizeFast(eyedir);
- VectorAdd(lightdir, eyedir, halfdir);
- // the cubemap normalizes this for us
- out[0] = DotProduct(svectors, halfdir);
- out[1] = DotProduct(tvectors, halfdir);
- out[2] = DotProduct(normals, halfdir);
+ qglDisable(GL_SCISSOR_TEST);
+ return false;
}
-}
-
-void R_Shadow_GenTexCoords_LightCubeMap(float *out, int numverts, const float *vertex, const vec3_t relativelightorigin)
-{
- int i;
- for (i = 0;i < numverts;i++, vertex += 4, out += 4)
- VectorSubtract(vertex, relativelightorigin, out);
-}
-
-void R_Shadow_RenderLighting(int numverts, int numtriangles, const int *elements, const float *svectors, const float *tvectors, const float *normals, const float *texcoords, const float *relativelightorigin, const float *relativeeyeorigin, float lightradius, const float *lightcolor, rtexture_t *basetexture, rtexture_t *glosstexture, rtexture_t *bumptexture, rtexture_t *lightcubemap)
-{
- float f;
- rmeshstate_t m;
- memset(&m, 0, sizeof(m));
- if (!bumptexture)
- bumptexture = r_shadow_blankbumptexture;
- f = 1.0f / r_shadow3.value;
- if (r_light_quality.integer == 1)
+ for (i = 0;i < 3;i++)
{
- // 4 texture 3D path, two pass
- GL_Color(1,1,1,1);
- //lightcolor[0] * f, lightcolor[1] * f, lightcolor[2] * f, 1);
- memcpy(varray_texcoord[0], texcoords, numverts * sizeof(float[4]));
- memcpy(varray_texcoord[2], texcoords, numverts * sizeof(float[4]));
- if (r_light_gloss.integer != 2)
+ if (vpn[i] >= 0)
{
- m.tex[0] = R_GetTexture(bumptexture);
- m.tex3d[1] = R_GetTexture(r_shadow_normalsattenuationtexture);
- m.tex[2] = R_GetTexture(basetexture);
- m.texcubemap[3] = R_GetTexture(lightcubemap);
- m.texcombinergb[0] = GL_REPLACE;
- m.texcombinergb[1] = GL_DOT3_RGB_ARB;
- m.texcombinergb[2] = GL_MODULATE;
- m.texcombinergb[3] = GL_MODULATE;
- R_Mesh_TextureState(&m);
- R_Shadow_GenTexCoords_Diffuse_Attenuation3D(varray_texcoord[1], numverts, varray_vertex, svectors, tvectors, normals, relativelightorigin, lightradius);
- if (m.texcubemap[3])
- R_Shadow_GenTexCoords_LightCubeMap(varray_texcoord[3], numverts, varray_vertex, relativelightorigin);
- R_Mesh_Draw(numverts, numtriangles, elements);
+ v[i] = mins[i];
+ v2[i] = maxs[i];
}
- if (r_light_gloss.integer && glosstexture)
+ else
{
- m.tex[0] = R_GetTexture(bumptexture);
- m.tex3d[1] = R_GetTexture(r_shadow_normalsattenuationtexture);
- m.tex[2] = R_GetTexture(glosstexture);
- m.texcubemap[3] = R_GetTexture(lightcubemap);
- m.texcombinergb[0] = GL_REPLACE;
- m.texcombinergb[1] = GL_DOT3_RGB_ARB;
- m.texcombinergb[2] = GL_MODULATE;
- m.texcombinergb[3] = GL_MODULATE;
- R_Mesh_TextureState(&m);
- R_Shadow_GenTexCoords_Specular_Attenuation3D(varray_texcoord[1], numverts, varray_vertex, svectors, tvectors, normals, relativelightorigin, relativeeyeorigin, lightradius);
- R_Mesh_Draw(numverts, numtriangles, elements);
+ v[i] = maxs[i];
+ v2[i] = mins[i];
}
}
- else
+ f = DotProduct(vpn, r_origin) + 1;
+ if (DotProduct(vpn, v2) <= f)
{
- //R_Mesh_TextureState(&m);
+ // entirely behind nearclip plane
+ qglDisable(GL_SCISSOR_TEST);
+ return false;
}
-}
-
+ if (DotProduct(vpn, v) >= f)
+ {
+ // entirely infront of nearclip plane
+ x1 = y1 = x2 = y2 = 0;
+ for (i = 0;i < 8;i++)
+ {
+ v[0] = (i & 1) ? mins[0] : maxs[0];
+ v[1] = (i & 2) ? mins[1] : maxs[1];
+ v[2] = (i & 4) ? mins[2] : maxs[2];
+ v[3] = 1.0f;
+ GL_TransformToScreen(v, v2);
+ //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
+ x = v2[0];
+ y = v2[1];
+ if (i)
+ {
+ if (x1 > x) x1 = x;
+ if (x2 < x) x2 = x;
+ if (y1 > y) y1 = y;
+ if (y2 < y) y2 = y;
+ }
+ else
+ {
+ x1 = x2 = x;
+ y1 = y2 = y;
+ }
+ }
+ }
+ else
+ {
+ // clipped by nearclip plane
+ // this is nasty and crude...
+ // create viewspace bbox
+ for (i = 0;i < 8;i++)
+ {
+ v[0] = ((i & 1) ? mins[0] : maxs[0]) - r_origin[0];
+ v[1] = ((i & 2) ? mins[1] : maxs[1]) - r_origin[1];
+ v[2] = ((i & 4) ? mins[2] : maxs[2]) - r_origin[2];
+ v2[0] = DotProduct(v, vright);
+ v2[1] = DotProduct(v, vup);
+ v2[2] = DotProduct(v, vpn);
+ if (i)
+ {
+ if (smins[0] > v2[0]) smins[0] = v2[0];
+ if (smaxs[0] < v2[0]) smaxs[0] = v2[0];
+ if (smins[1] > v2[1]) smins[1] = v2[1];
+ if (smaxs[1] < v2[1]) smaxs[1] = v2[1];
+ if (smins[2] > v2[2]) smins[2] = v2[2];
+ if (smaxs[2] < v2[2]) smaxs[2] = v2[2];
+ }
+ else
+ {
+ smins[0] = smaxs[0] = v2[0];
+ smins[1] = smaxs[1] = v2[1];
+ smins[2] = smaxs[2] = v2[2];
+ }
+ }
+ // now we have a bbox in viewspace
+ // clip it to the view plane
+ if (smins[2] < 1)
+ smins[2] = 1;
+ // return true if that culled the box
+ if (smins[2] >= smaxs[2])
+ return true;
+ // ok some of it is infront of the view, transform each corner back to
+ // worldspace and then to screenspace and make screen rect
+ // initialize these variables just to avoid compiler warnings
+ x1 = y1 = x2 = y2 = 0;
+ for (i = 0;i < 8;i++)
+ {
+ v2[0] = (i & 1) ? smins[0] : smaxs[0];
+ v2[1] = (i & 2) ? smins[1] : smaxs[1];
+ v2[2] = (i & 4) ? smins[2] : smaxs[2];
+ v[0] = v2[0] * vright[0] + v2[1] * vup[0] + v2[2] * vpn[0] + r_origin[0];
+ v[1] = v2[0] * vright[1] + v2[1] * vup[1] + v2[2] * vpn[1] + r_origin[1];
+ v[2] = v2[0] * vright[2] + v2[1] * vup[2] + v2[2] * vpn[2] + r_origin[2];
+ v[3] = 1.0f;
+ GL_TransformToScreen(v, v2);
+ //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
+ x = v2[0];
+ y = v2[1];
+ if (i)
+ {
+ if (x1 > x) x1 = x;
+ if (x2 < x) x2 = x;
+ if (y1 > y) y1 = y;
+ if (y2 < y) y2 = y;
+ }
+ else
+ {
+ x1 = x2 = x;
+ y1 = y2 = y;
+ }
+ }
+ /*
+ // this code doesn't handle boxes with any points behind view properly
+ x1 = 1000;x2 = -1000;
+ y1 = 1000;y2 = -1000;
+ for (i = 0;i < 8;i++)
+ {
+ v[0] = (i & 1) ? mins[0] : maxs[0];
+ v[1] = (i & 2) ? mins[1] : maxs[1];
+ v[2] = (i & 4) ? mins[2] : maxs[2];
+ v[3] = 1.0f;
+ GL_TransformToScreen(v, v2);
+ //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
+ if (v2[2] > 0)
+ {
+ x = v2[0];
+ y = v2[1];
+
+ if (x1 > x) x1 = x;
+ if (x2 < x) x2 = x;
+ if (y1 > y) y1 = y;
+ if (y2 < y) y2 = y;
+ }
+ }
+ */
+ }
+ ix1 = x1 - 1.0f;
+ iy1 = y1 - 1.0f;
+ ix2 = x2 + 1.0f;
+ iy2 = y2 + 1.0f;
+ //Con_Printf("%f %f %f %f\n", x1, y1, x2, y2);
+ if (ix1 < r_refdef.x) ix1 = r_refdef.x;
+ if (iy1 < r_refdef.y) iy1 = r_refdef.y;
+ if (ix2 > r_refdef.x + r_refdef.width) ix2 = r_refdef.x + r_refdef.width;
+ if (iy2 > r_refdef.y + r_refdef.height) iy2 = r_refdef.y + r_refdef.height;
+ if (ix2 <= ix1 || iy2 <= iy1)
+ return true;
+ // set up the scissor rectangle
+ qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);
+ qglEnable(GL_SCISSOR_TEST);
+ c_rt_scissored++;
+ return false;
+}
+
+void R_Shadow_VertexLighting(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const float *relativelightorigin, float lightradius)
+{
+ float *color4f = varray_color4f;
+ float dist, dot, intensity, iradius = 1.0f / lightradius, radius2 = lightradius * lightradius, v[3];
+ for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ VectorSubtract(vertex3f, relativelightorigin, v);
+ if ((dot = DotProduct(normal3f, v)) > 0 && (dist = DotProduct(v, v)) < radius2)
+ {
+ dist = sqrt(dist);
+ intensity = pow(1 - (dist * iradius), r_shadow_attenpower) * r_shadow_attenscale * dot / dist;
+ VectorScale(lightcolor, intensity, color4f);
+ color4f[3] = 1;
+ }
+ else
+ {
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+}
+
+void R_Shadow_VertexLightingWithXYAttenuationTexture(int numverts, const float *vertex3f, const float *normal3f, const float *lightcolor, const float *relativelightorigin, float lightradius, const float *zdir)
+{
+ float *color4f = varray_color4f;
+ float dist, dot, intensity, iradius = 1.0f / lightradius, v[3];
+ for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4)
+ {
+ VectorSubtract(vertex3f, relativelightorigin, v);
+ if ((dot = DotProduct(normal3f, v)) > 0 && (dist = fabs(DotProduct(zdir, v))) < lightradius)
+ {
+ intensity = pow(1 - (dist * iradius), r_shadow_attenpower) * r_shadow_attenscale * dot / sqrt(DotProduct(v,v));
+ VectorScale(lightcolor, intensity, color4f);
+ color4f[3] = 1;
+ }
+ else
+ {
+ VectorClear(color4f);
+ color4f[3] = 1;
+ }
+ }
+}
+
+// FIXME: this should be done in a vertex program when possible
+// FIXME: if vertex program not available, this would really benefit from 3DNow! or SSE
+void R_Shadow_Transform_Vertex3f_TexCoord3f(float *tc3f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
+{
+ do
+ {
+ tc3f[0] = vertex3f[0] * matrix->m[0][0] + vertex3f[1] * matrix->m[0][1] + vertex3f[2] * matrix->m[0][2] + matrix->m[0][3];
+ tc3f[1] = vertex3f[0] * matrix->m[1][0] + vertex3f[1] * matrix->m[1][1] + vertex3f[2] * matrix->m[1][2] + matrix->m[1][3];
+ tc3f[2] = vertex3f[0] * matrix->m[2][0] + vertex3f[1] * matrix->m[2][1] + vertex3f[2] * matrix->m[2][2] + matrix->m[2][3];
+ vertex3f += 3;
+ tc3f += 3;
+ }
+ while (--numverts);
+}
+
+void R_Shadow_Transform_Vertex3f_TexCoord2f(float *tc2f, int numverts, const float *vertex3f, const matrix4x4_t *matrix)
+{
+ do
+ {
+ tc2f[0] = vertex3f[0] * matrix->m[0][0] + vertex3f[1] * matrix->m[0][1] + vertex3f[2] * matrix->m[0][2] + matrix->m[0][3];
+ tc2f[1] = vertex3f[0] * matrix->m[1][0] + vertex3f[1] * matrix->m[1][1] + vertex3f[2] * matrix->m[1][2] + matrix->m[1][3];
+ vertex3f += 3;
+ tc2f += 2;
+ }
+ while (--numverts);
+}
+
+void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin)
+{
+ int i;
+ float lightdir[3];
+ for (i = 0;i < numverts;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3)
+ {
+ VectorSubtract(vertex3f, relativelightorigin, lightdir);
+ // the cubemap normalizes this for us
+ out3f[0] = DotProduct(svector3f, lightdir);
+ out3f[1] = DotProduct(tvector3f, lightdir);
+ out3f[2] = DotProduct(normal3f, lightdir);
+ }
+}
+
+void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin)
+{
+ int i;
+ float lightdir[3], eyedir[3], halfdir[3];
+ for (i = 0;i < numverts;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3)
+ {
+ VectorSubtract(vertex3f, relativelightorigin, lightdir);
+ VectorNormalizeFast(lightdir);
+ VectorSubtract(vertex3f, relativeeyeorigin, eyedir);
+ VectorNormalizeFast(eyedir);
+ VectorAdd(lightdir, eyedir, halfdir);
+ // the cubemap normalizes this for us
+ out3f[0] = DotProduct(svector3f, halfdir);
+ out3f[1] = DotProduct(tvector3f, halfdir);
+ out3f[2] = DotProduct(normal3f, halfdir);
+ }
+}
+
+void R_Shadow_DiffuseLighting(int numverts, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, float lightradius, const float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *bumptexture, rtexture_t *lightcubemap)
+{
+ int renders;
+ float color[3], color2[3];
+ rmeshstate_t m;
+ memset(&m, 0, sizeof(m));
+ if (gl_dot3arb && gl_texturecubemap && gl_combine.integer && gl_stencil)
+ {
+ if (!bumptexture)
+ bumptexture = r_shadow_blankbumptexture;
+ // colorscale accounts for how much we multiply the brightness during combine
+ // mult is how many times the final pass of the lighting will be
+ // performed to get more brightness than otherwise possible
+ // limit mult to 64 for sanity sake
+ if (r_shadow_texture3d.integer && r_textureunits.integer >= 4)
+ {
+ // 3/2 3D combine path (Geforce3, Radeon 8500)
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.tex3d[2] = R_GetTexture(r_shadow_attenuation3dtexture);
+ m.texcombinergb[0] = GL_REPLACE;
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ qglDisable(GL_BLEND);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin);
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[2], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(basetexture);
+ m.tex[1] = 0;
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ m.tex3d[2] = 0;
+ m.texcombinergb[0] = GL_MODULATE;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+ qglEnable(GL_BLEND);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && lightcubemap)
+ {
+ // 1/2/2 3D combine path (original Radeon)
+ m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture);
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ qglDisable(GL_BLEND);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.tex3d[0] = 0;
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[0] = GL_REPLACE;
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_DST_ALPHA, GL_ZERO);
+ qglEnable(GL_BLEND);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(basetexture);
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ m.texcombinergb[0] = GL_MODULATE;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && !lightcubemap)
+ {
+ // 2/2 3D combine path (original Radeon)
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[0] = GL_REPLACE;
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ GL_Color(1,1,1,1);
+ qglColorMask(0,0,0,1);
+ qglDisable(GL_BLEND);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(basetexture);
+ m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture);
+ m.texcubemap[1] = 0;
+ m.texcombinergb[0] = GL_MODULATE;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+ qglEnable(GL_BLEND);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else if (r_textureunits.integer >= 4)
+ {
+ // 4/2 2D combine path (Geforce3, Radeon 8500)
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[0] = GL_REPLACE;
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ m.tex[2] = R_GetTexture(r_shadow_attenuation2dtexture);
+ m.tex[3] = R_GetTexture(r_shadow_attenuation2dtexture);
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ qglDisable(GL_BLEND);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[2], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[3], numverts, vertex3f, matrix_modeltoattenuationz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(basetexture);
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ m.texcombinergb[0] = GL_MODULATE;
+ m.texcombinergb[1] = GL_MODULATE;
+ m.tex[2] = 0;
+ m.tex[3] = 0;
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+ qglEnable(GL_BLEND);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else
+ {
+ // 2/2/2 2D combine path (any dot3 card)
+ m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture);
+ m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ qglDisable(GL_BLEND);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.tex[1] = 0;
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[0] = GL_REPLACE;
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_DST_ALPHA, GL_ZERO);
+ qglEnable(GL_BLEND);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(basetexture);
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ m.texcombinergb[0] = GL_MODULATE;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ }
+ else
+ {
+ if (r_textureunits.integer >= 2)
+ {
+ // voodoo2
+#if 1
+ m.tex[0] = R_GetTexture(basetexture);
+ m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ qglEnable(GL_BLEND);
+#else
+ m.tex[0] = R_GetTexture(basetexture);
+ m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE;
+ R_Mesh_State(&m);
+#endif
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_UseColorArray();
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Shadow_VertexLightingWithXYAttenuationTexture(numverts, vertex3f, normal3f, color2, relativelightorigin, lightradius, matrix_modeltofilter->m[2]);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ }
+ }
+ else
+ {
+ // voodoo1
+#if 1
+ m.tex[0] = R_GetTexture(basetexture);
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ qglEnable(GL_BLEND);
+#else
+ m.tex[0] = R_GetTexture(basetexture);
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE;
+ R_Mesh_State(&m);
+#endif
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_UseColorArray();
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value, color);
+ R_Shadow_VertexLighting(numverts, vertex3f, normal3f, color, relativelightorigin, lightradius);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ }
+ }
+ }
+}
+
+void R_Shadow_SpecularLighting(int numverts, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, float lightradius, const float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *glosstexture, rtexture_t *bumptexture, rtexture_t *lightcubemap)
+{
+ int renders;
+ float color[3], color2[3];
+ rmeshstate_t m;
+ if (!gl_dot3arb || !gl_texturecubemap || !gl_combine.integer || !gl_stencil)
+ return;
+ memset(&m, 0, sizeof(m));
+ if (!bumptexture)
+ bumptexture = r_shadow_blankbumptexture;
+ if (!glosstexture)
+ glosstexture = r_shadow_blankglosstexture;
+ if (r_shadow_gloss.integer >= 2 || (r_shadow_gloss.integer >= 1 && glosstexture != r_shadow_blankglosstexture))
+ {
+ if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
+ {
+ // 2/0/0/1/2 3D combine blendsquare path
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ // this squares the result
+ qglEnable(GL_BLEND);
+ qglBlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = 0;
+ m.texcubemap[1] = 0;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ // square alpha in framebuffer a few times to make it shiny
+ qglBlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ for (renders = 0;renders < 2;renders++)
+ {
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ }
+ c_rt_lightmeshes += 3;
+ c_rt_lighttris += numtriangles * 3;
+
+ m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture);
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_DST_ALPHA, GL_ZERO);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex3d[0] = 0;
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value * 0.25f, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && !lightcubemap /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
+ {
+ // 2/0/0/2 3D combine blendsquare path
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ // this squares the result
+ qglEnable(GL_BLEND);
+ qglBlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = 0;
+ m.texcubemap[1] = 0;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ // square alpha in framebuffer a few times to make it shiny
+ qglBlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ for (renders = 0;renders < 2;renders++)
+ {
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ }
+ c_rt_lightmeshes += 3;
+ c_rt_lighttris += numtriangles * 3;
+
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture);
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value * 0.25f, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ else if (r_textureunits.integer >= 2 /*&& gl_support_blendsquare*/) // FIXME: detect blendsquare!
+ {
+ // 2/0/0/2/2 2D combine blendsquare path
+ m.tex[0] = R_GetTexture(bumptexture);
+ m.texcubemap[1] = R_GetTexture(r_shadow_normalcubetexture);
+ m.texcombinergb[1] = GL_DOT3_RGBA_ARB;
+ R_Mesh_TextureState(&m);
+ qglColorMask(0,0,0,1);
+ // this squares the result
+ qglEnable(GL_BLEND);
+ qglBlendFunc(GL_SRC_ALPHA, GL_ZERO);
+ GL_Color(1,1,1,1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1], numverts, vertex3f, svector3f, tvector3f, normal3f, relativelightorigin, relativeeyeorigin);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = 0;
+ m.texcubemap[1] = 0;
+ m.texcombinergb[1] = GL_MODULATE;
+ R_Mesh_TextureState(&m);
+ // square alpha in framebuffer a few times to make it shiny
+ qglBlendFunc(GL_ZERO, GL_DST_ALPHA);
+ // these comments are a test run through this math for intensity 0.5
+ // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
+ // 0.25 * 0.25 = 0.0625 (this is another pass)
+ // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
+ for (renders = 0;renders < 2;renders++)
+ {
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ }
+ c_rt_lightmeshes += 3;
+ c_rt_lighttris += numtriangles * 3;
+
+ m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture);
+ m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture);
+ R_Mesh_TextureState(&m);
+ qglBlendFunc(GL_DST_ALPHA, GL_ZERO);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[0], numverts, vertex3f, matrix_modeltoattenuationxyz);
+ R_Shadow_Transform_Vertex3f_TexCoord2f(varray_texcoord2f[1], numverts, vertex3f, matrix_modeltoattenuationz);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+
+ m.tex[0] = R_GetTexture(glosstexture);
+ m.texcubemap[1] = R_GetTexture(lightcubemap);
+ R_Mesh_TextureState(&m);
+ qglColorMask(1,1,1,0);
+ qglBlendFunc(GL_DST_ALPHA, GL_ONE);
+
+ VectorScale(lightcolor, r_colorscale * r_shadow_lightintensityscale.value * 0.25f, color2);
+ for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
+ {
+ color[0] = bound(0, color2[0], 1);
+ color[1] = bound(0, color2[1], 1);
+ color[2] = bound(0, color2[2], 1);
+ GL_Color(color[0], color[1], color[2], 1);
+ R_Mesh_GetSpace(numverts);
+ R_Mesh_CopyVertex3f(vertex3f, numverts);
+ R_Mesh_CopyTexCoord2f(0, texcoord2f, numverts);
+ if (lightcubemap)
+ R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1], numverts, vertex3f, matrix_modeltofilter);
+ R_Mesh_Draw(numverts, numtriangles, elements);
+ c_rt_lightmeshes++;
+ c_rt_lighttris += numtriangles;
+ }
+ }
+ }
+}
+
+void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, worldlight_t *light)
+{
+ R_Mesh_Matrix(matrix);
+ R_Shadow_RenderShadowMeshVolume(light->shadowvolume);
+}
+
+cvar_t r_editlights = {0, "r_editlights", "0"};
+cvar_t r_editlights_cursordistance = {0, "r_editlights_distance", "1024"};
+cvar_t r_editlights_cursorpushback = {0, "r_editlights_pushback", "0"};
+cvar_t r_editlights_cursorpushoff = {0, "r_editlights_pushoff", "4"};
+cvar_t r_editlights_cursorgrid = {0, "r_editlights_grid", "4"};
+cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "0.8"};
+cvar_t r_editlights_rtlightssizescale = {CVAR_SAVE, "r_editlights_rtlightssizescale", "0.7"};
+cvar_t r_editlights_rtlightscolorscale = {CVAR_SAVE, "r_editlights_rtlightscolorscale", "2"};
+worldlight_t *r_shadow_worldlightchain;
+worldlight_t *r_shadow_selectedlight;
+vec3_t r_editlights_cursorlocation;
+
+static int castshadowcount = 1;
+void R_Shadow_NewWorldLight(vec3_t origin, float radius, vec3_t color, int style, const char *cubemapname, int castshadow)
+{
+ int i, j, k, l, maxverts = 256, *mark, tris;
+ float *vertex3f = NULL;
+ worldlight_t *e;
+ shadowmesh_t *mesh, *castmesh;
+ mleaf_t *leaf;
+ msurface_t *surf;
+ qbyte *pvs;
+ surfmesh_t *surfmesh;
+
+ if (radius < 15 || DotProduct(color, color) < 0.03)
+ {
+ Con_Printf("R_Shadow_NewWorldLight: refusing to create a light too small/dim\n");
+ return;
+ }
+
+ e = Mem_Alloc(r_shadow_mempool, sizeof(worldlight_t));
+ VectorCopy(origin, e->origin);
+ VectorCopy(color, e->light);
+ e->lightradius = radius;
+ e->style = style;
+ if (e->style < 0 || e->style >= MAX_LIGHTSTYLES)
+ {
+ Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", e->style, MAX_LIGHTSTYLES);
+ e->style = 0;
+ }
+ e->castshadows = castshadow;
+
+ e->cullradius = e->lightradius;
+ for (k = 0;k < 3;k++)
+ {
+ e->mins[k] = e->origin[k] - e->lightradius;
+ e->maxs[k] = e->origin[k] + e->lightradius;
+ }
+
+ e->next = r_shadow_worldlightchain;
+ r_shadow_worldlightchain = e;
+ if (cubemapname && cubemapname[0])
+ {
+ e->cubemapname = Mem_Alloc(r_shadow_mempool, strlen(cubemapname) + 1);
+ strcpy(e->cubemapname, cubemapname);
+ // FIXME: add cubemap loading (and don't load a cubemap twice)
+ }
+ if (cl.worldmodel)
+ {
+ castshadowcount++;
+ i = Mod_PointContents(e->origin, cl.worldmodel);
+ if (r_shadow_portallight.integer && i != CONTENTS_SOLID && i != CONTENTS_SKY)
+ {
+ qbyte *byteleafpvs;
+ qbyte *bytesurfacepvs;
+
+ byteleafpvs = Mem_Alloc(tempmempool, cl.worldmodel->numleafs + 1);
+ bytesurfacepvs = Mem_Alloc(tempmempool, cl.worldmodel->numsurfaces);
+
+ Portal_Visibility(cl.worldmodel, e->origin, byteleafpvs, bytesurfacepvs, NULL, 0, true, RadiusFromBoundsAndOrigin(e->mins, e->maxs, e->origin));
+
+ for (i = 0, leaf = cl.worldmodel->leafs + 1;i < cl.worldmodel->numleafs;i++, leaf++)
+ if (byteleafpvs[i+1] && BoxesOverlap(leaf->mins, leaf->maxs, e->mins, e->maxs))
+ leaf->worldnodeframe = castshadowcount;
+
+ for (i = 0, surf = cl.worldmodel->surfaces;i < cl.worldmodel->numsurfaces;i++, surf++)
+ if (bytesurfacepvs[i] && BoxesOverlap(surf->poly_mins, surf->poly_maxs, e->mins, e->maxs))
+ surf->castshadow = castshadowcount;
+
+ Mem_Free(byteleafpvs);
+ Mem_Free(bytesurfacepvs);
+ }
+ else
+ {
+ leaf = Mod_PointInLeaf(origin, cl.worldmodel);
+ pvs = Mod_LeafPVS(leaf, cl.worldmodel);
+ for (i = 0, leaf = cl.worldmodel->leafs + 1;i < cl.worldmodel->numleafs;i++, leaf++)
+ {
+ if (pvs[i >> 3] & (1 << (i & 7)) && BoxesOverlap(leaf->mins, leaf->maxs, e->mins, e->maxs))
+ {
+ leaf->worldnodeframe = castshadowcount;
+ for (j = 0, mark = leaf->firstmarksurface;j < leaf->nummarksurfaces;j++, mark++)
+ {
+ surf = cl.worldmodel->surfaces + *mark;
+ if (surf->castshadow != castshadowcount && BoxesOverlap(surf->poly_mins, surf->poly_maxs, e->mins, e->maxs))
+ surf->castshadow = castshadowcount;
+ }
+ }
+ }
+ }
+
+ e->numleafs = 0;
+ for (i = 0, leaf = cl.worldmodel->leafs + 1;i < cl.worldmodel->numleafs;i++, leaf++)
+ if (leaf->worldnodeframe == castshadowcount)
+ e->numleafs++;
+ e->numsurfaces = 0;
+ for (i = 0, surf = cl.worldmodel->surfaces + cl.worldmodel->firstmodelsurface;i < cl.worldmodel->nummodelsurfaces;i++, surf++)
+ if (surf->castshadow == castshadowcount)
+ e->numsurfaces++;
+
+ if (e->numleafs)
+ e->leafs = Mem_Alloc(r_shadow_mempool, e->numleafs * sizeof(mleaf_t *));
+ if (e->numsurfaces)
+ e->surfaces = Mem_Alloc(r_shadow_mempool, e->numsurfaces * sizeof(msurface_t *));
+ e->numleafs = 0;
+ for (i = 0, leaf = cl.worldmodel->leafs + 1;i < cl.worldmodel->numleafs;i++, leaf++)
+ if (leaf->worldnodeframe == castshadowcount)
+ e->leafs[e->numleafs++] = leaf;
+ e->numsurfaces = 0;
+ for (i = 0, surf = cl.worldmodel->surfaces + cl.worldmodel->firstmodelsurface;i < cl.worldmodel->nummodelsurfaces;i++, surf++)
+ if (surf->castshadow == castshadowcount)
+ e->surfaces[e->numsurfaces++] = surf;
+
+ // find bounding box of lit leafs
+ VectorCopy(e->origin, e->mins);
+ VectorCopy(e->origin, e->maxs);
+ for (j = 0;j < e->numleafs;j++)
+ {
+ leaf = e->leafs[j];
+ for (k = 0;k < 3;k++)
+ {
+ if (e->mins[k] > leaf->mins[k]) e->mins[k] = leaf->mins[k];
+ if (e->maxs[k] < leaf->maxs[k]) e->maxs[k] = leaf->maxs[k];
+ }
+ }
+
+ for (k = 0;k < 3;k++)
+ {
+ if (e->mins[k] < e->origin[k] - e->lightradius) e->mins[k] = e->origin[k] - e->lightradius;
+ if (e->maxs[k] > e->origin[k] + e->lightradius) e->maxs[k] = e->origin[k] + e->lightradius;
+ }
+ e->cullradius = RadiusFromBoundsAndOrigin(e->mins, e->maxs, e->origin);
+
+ if (e->castshadows)
+ {
+ castshadowcount++;
+ for (j = 0;j < e->numsurfaces;j++)
+ {
+ surf = e->surfaces[j];
+ if (surf->flags & SURF_SHADOWCAST)
+ {
+ surf->castshadow = castshadowcount;
+ if (maxverts < surf->poly_numverts)
+ maxverts = surf->poly_numverts;
+ }
+ }
+ e->shadowvolume = Mod_ShadowMesh_Begin(r_shadow_mempool, 32768);
+ // make a mesh to cast a shadow volume from
+ castmesh = Mod_ShadowMesh_Begin(r_shadow_mempool, 32768);
+ for (j = 0;j < e->numsurfaces;j++)
+ if (e->surfaces[j]->castshadow == castshadowcount)
+ for (surfmesh = e->surfaces[j]->mesh;surfmesh;surfmesh = surfmesh->chain)
+ Mod_ShadowMesh_AddMesh(r_shadow_mempool, castmesh, surfmesh->numverts, surfmesh->vertex3f, surfmesh->numtriangles, surfmesh->element3i);
+ castmesh = Mod_ShadowMesh_Finish(r_shadow_mempool, castmesh);
+
+ // cast shadow volume from castmesh
+ for (mesh = castmesh;mesh;mesh = mesh->next)
+ {
+ R_Shadow_ResizeTriangleFacingLight(castmesh->numtriangles);
+ R_Shadow_ResizeShadowElements(castmesh->numtriangles);
+
+ if (maxverts < castmesh->numverts * 2)
+ {
+ maxverts = castmesh->numverts * 2;
+ if (vertex3f)
+ Mem_Free(vertex3f);
+ vertex3f = NULL;
+ }
+ if (vertex3f == NULL && maxverts > 0)
+ vertex3f = Mem_Alloc(r_shadow_mempool, maxverts * sizeof(float[3]));
+
+ // now that we have the buffers big enough, construct shadow volume mesh
+ memcpy(vertex3f, castmesh->vertex3f, castmesh->numverts * sizeof(float[3]));
+ R_Shadow_ProjectVertex3f(vertex3f, castmesh->numverts, e->origin, r_shadow_projectdistance.value);//, e->lightradius);
+ tris = R_Shadow_MakeTriangleShadowFlags_Vertex3f(castmesh->element3i, vertex3f, castmesh->numtriangles, trianglefacinglight, trianglefacinglightlist, e->origin);
+ tris = R_Shadow_BuildShadowVolumeTriangles(castmesh->element3i, castmesh->neighbor3i, castmesh->numverts, trianglefacinglight, trianglefacinglightlist, tris, shadowelements);
+ // add the constructed shadow volume mesh
+ Mod_ShadowMesh_AddMesh(r_shadow_mempool, e->shadowvolume, castmesh->numverts, vertex3f, tris, shadowelements);
+ }
+ if (vertex3f)
+ Mem_Free(vertex3f);
+ vertex3f = NULL;
+ // we're done with castmesh now
+ Mod_ShadowMesh_Free(castmesh);
+ e->shadowvolume = Mod_ShadowMesh_Finish(r_shadow_mempool, e->shadowvolume);
+ for (l = 0, mesh = e->shadowvolume;mesh;mesh = mesh->next)
+ l += mesh->numtriangles;
+ Con_Printf("static shadow volume built containing %i triangles\n", l);
+ }
+ }
+ Con_Printf("%f %f %f, %f %f %f, %f, %f, %d, %d\n", e->mins[0], e->mins[1], e->mins[2], e->maxs[0], e->maxs[1], e->maxs[2], e->cullradius, e->lightradius, e->numleafs, e->numsurfaces);
+}
+
+void R_Shadow_FreeWorldLight(worldlight_t *light)
+{
+ worldlight_t **lightpointer;
+ for (lightpointer = &r_shadow_worldlightchain;*lightpointer && *lightpointer != light;lightpointer = &(*lightpointer)->next);
+ if (*lightpointer != light)
+ Sys_Error("R_Shadow_FreeWorldLight: light not linked into chain\n");
+ *lightpointer = light->next;
+ if (light->cubemapname)
+ Mem_Free(light->cubemapname);
+ if (light->shadowvolume)
+ Mod_ShadowMesh_Free(light->shadowvolume);
+ if (light->surfaces)
+ Mem_Free(light->surfaces);
+ if (light->leafs)
+ Mem_Free(light->leafs);
+ Mem_Free(light);
+}
+
+void R_Shadow_ClearWorldLights(void)
+{
+ while (r_shadow_worldlightchain)
+ R_Shadow_FreeWorldLight(r_shadow_worldlightchain);
+ r_shadow_selectedlight = NULL;
+}
+
+void R_Shadow_SelectLight(worldlight_t *light)
+{
+ if (r_shadow_selectedlight)
+ r_shadow_selectedlight->selected = false;
+ r_shadow_selectedlight = light;
+ if (r_shadow_selectedlight)
+ r_shadow_selectedlight->selected = true;
+}
+
+
+void R_DrawLightSprite(int texnum, const vec3_t origin, vec_t scale, float cr, float cg, float cb, float ca)
+{
+ rmeshstate_t m;
+ float diff[3];
+
+ if (fogenabled)
+ {
+ VectorSubtract(origin, r_origin, diff);
+ ca *= 1 - exp(fogdensity/DotProduct(diff,diff));
+ }
+
+ memset(&m, 0, sizeof(m));
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE;
+ m.tex[0] = texnum;
+ R_Mesh_Matrix(&r_identitymatrix);
+ R_Mesh_State(&m);
+
+ GL_Color(cr * r_colorscale, cg * r_colorscale, cb * r_colorscale, ca);
+ R_DrawSpriteMesh(origin, vright, vup, scale, -scale, -scale, scale);
+}
+
+void R_Shadow_DrawCursorCallback(const void *calldata1, int calldata2)
+{
+ cachepic_t *pic;
+ pic = Draw_CachePic("gfx/crosshair1.tga");
+ if (pic)
+ R_DrawLightSprite(R_GetTexture(pic->tex), r_editlights_cursorlocation, r_editlights_cursorgrid.value * 0.5f, 1, 1, 1, 0.5);
+}
+
+void R_Shadow_DrawLightSpriteCallback(const void *calldata1, int calldata2)
+{
+ float intensity;
+ const worldlight_t *light;
+ light = calldata1;
+ intensity = 0.5;
+ if (light->selected)
+ intensity = 0.75 + 0.25 * sin(realtime * M_PI * 4.0);
+ if (light->shadowvolume)
+ R_DrawLightSprite(calldata2, light->origin, 8, intensity, intensity, intensity, 0.5);
+ else
+ R_DrawLightSprite(calldata2, light->origin, 8, intensity * 0.5, intensity * 0.5, intensity * 0.5, 0.5);
+}
+
+void R_Shadow_DrawLightSprites(void)
+{
+ int i, texnums[5];
+ cachepic_t *pic;
+ worldlight_t *light;
+
+ for (i = 0;i < 5;i++)
+ {
+ pic = Draw_CachePic(va("gfx/crosshair%i.tga", i + 1));
+ if (pic)
+ texnums[i] = R_GetTexture(pic->tex);
+ else
+ texnums[i] = 0;
+ }
+
+ for (light = r_shadow_worldlightchain;light;light = light->next)
+ R_MeshQueue_AddTransparent(light->origin, R_Shadow_DrawLightSpriteCallback, light, texnums[((int) light) % 5]);
+ R_MeshQueue_AddTransparent(r_editlights_cursorlocation, R_Shadow_DrawCursorCallback, NULL, 0);
+}
+
+void R_Shadow_SelectLightInView(void)
+{
+ float bestrating, rating, temp[3];
+ worldlight_t *best, *light;
+ best = NULL;
+ bestrating = 0;
+ for (light = r_shadow_worldlightchain;light;light = light->next)
+ {
+ VectorSubtract(light->origin, r_refdef.vieworg, temp);
+ rating = (DotProduct(temp, vpn) / sqrt(DotProduct(temp, temp)));
+ if (rating >= 0.95)
+ {
+ rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp)));
+ if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.vieworg, NULL, NULL, 0, true, NULL) == 1.0f)
+ {
+ bestrating = rating;
+ best = light;
+ }
+ }
+ }
+ R_Shadow_SelectLight(best);
+}
+
+void R_Shadow_LoadWorldLights(void)
+{
+ int n, a, style, shadow;
+ char name[MAX_QPATH], cubemapname[MAX_QPATH], *lightsstring, *s, *t;
+ float origin[3], radius, color[3];
+ if (cl.worldmodel == NULL)
+ {
+ Con_Printf("No map loaded.\n");
+ return;
+ }
+ FS_StripExtension(cl.worldmodel->name, name);
+ strcat(name, ".rtlights");
+ lightsstring = FS_LoadFile(name, false);
+ if (lightsstring)
+ {
+ s = lightsstring;
+ n = 0;
+ while (*s)
+ {
+ t = s;
+ while (*s && *s != '\n')
+ s++;
+ if (!*s)
+ break;
+ *s = 0;
+ shadow = true;
+ // check for modifier flags
+ if (*t == '!')
+ {
+ shadow = false;
+ t++;
+ }
+ a = sscanf(t, "%f %f %f %f %f %f %f %d %s", &origin[0], &origin[1], &origin[2], &radius, &color[0], &color[1], &color[2], &style, cubemapname);
+ if (a < 9)
+ cubemapname[0] = 0;
+ *s = '\n';
+ if (a < 8)
+ {
+ Con_Printf("found %d parameters on line %i, should be 8 or 9 parameters (origin[0] origin[1] origin[2] radius color[0] color[1] color[2] style cubemapname)\n", a, n + 1);
+ break;
+ }
+ VectorScale(color, r_editlights_rtlightscolorscale.value, color);
+ radius *= r_editlights_rtlightssizescale.value;
+ R_Shadow_NewWorldLight(origin, radius, color, style, cubemapname, shadow);
+ s++;
+ n++;
+ }
+ if (*s)
+ Con_Printf("invalid rtlights file \"%s\"\n", name);
+ Mem_Free(lightsstring);
+ }
+}
+
+void R_Shadow_SaveWorldLights(void)
+{
+ worldlight_t *light;
+ int bufchars, bufmaxchars;
+ char *buf, *oldbuf;
+ char name[MAX_QPATH];
+ char line[1024];
+ if (!r_shadow_worldlightchain)
+ return;
+ if (cl.worldmodel == NULL)
+ {
+ Con_Printf("No map loaded.\n");
+ return;
+ }
+ FS_StripExtension(cl.worldmodel->name, name);
+ strcat(name, ".rtlights");
+ bufchars = bufmaxchars = 0;
+ buf = NULL;
+ for (light = r_shadow_worldlightchain;light;light = light->next)
+ {
+ sprintf(line, "%s%g %g %g %g %g %g %g %d %s\n", light->castshadows ? "" : "!", light->origin[0], light->origin[1], light->origin[2], light->lightradius / r_editlights_rtlightssizescale.value, light->light[0] / r_editlights_rtlightscolorscale.value, light->light[1] / r_editlights_rtlightscolorscale.value, light->light[2] / r_editlights_rtlightscolorscale.value, light->style, light->cubemapname ? light->cubemapname : "");
+ if (bufchars + strlen(line) > bufmaxchars)
+ {
+ bufmaxchars = bufchars + strlen(line) + 2048;
+ oldbuf = buf;
+ buf = Mem_Alloc(r_shadow_mempool, bufmaxchars);
+ if (oldbuf)
+ {
+ if (bufchars)
+ memcpy(buf, oldbuf, bufchars);
+ Mem_Free(oldbuf);
+ }
+ }
+ if (strlen(line))
+ {
+ memcpy(buf + bufchars, line, strlen(line));
+ bufchars += strlen(line);
+ }
+ }
+ if (bufchars)
+ FS_WriteFile(name, buf, bufchars);
+ if (buf)
+ Mem_Free(buf);
+}
+
+void R_Shadow_LoadLightsFile(void)
+{
+ int n, a, style;
+ char name[MAX_QPATH], *lightsstring, *s, *t;
+ float origin[3], radius, color[3], subtract, spotdir[3], spotcone, falloff, distbias;
+ if (cl.worldmodel == NULL)
+ {
+ Con_Printf("No map loaded.\n");
+ return;
+ }
+ FS_StripExtension(cl.worldmodel->name, name);
+ strcat(name, ".lights");
+ lightsstring = FS_LoadFile(name, false);
+ if (lightsstring)
+ {
+ s = lightsstring;
+ n = 0;
+ while (*s)
+ {
+ t = s;
+ while (*s && *s != '\n')
+ s++;
+ if (!*s)
+ break;
+ *s = 0;
+ a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &origin[0], &origin[1], &origin[2], &falloff, &color[0], &color[1], &color[2], &subtract, &spotdir[0], &spotdir[1], &spotdir[2], &spotcone, &distbias, &style);
+ *s = '\n';
+ if (a < 14)
+ {
+ Con_Printf("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
+ break;
+ }
+ radius = sqrt(DotProduct(color, color) / (falloff * falloff * 8192.0f * 8192.0f));
+ radius = bound(15, radius, 4096);
+ VectorScale(color, (2.0f / (8388608.0f)), color);
+ R_Shadow_NewWorldLight(origin, radius, color, style, NULL, true);
+ s++;
+ n++;
+ }
+ if (*s)
+ Con_Printf("invalid lights file \"%s\"\n", name);
+ Mem_Free(lightsstring);
+ }
+}
+
+void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
+{
+ int entnum, style, islight;
+ char key[256], value[1024];
+ float origin[3], radius, color[3], light, scale, originhack[3], overridecolor[3];
+ const char *data;
+
+ if (cl.worldmodel == NULL)
+ {
+ Con_Printf("No map loaded.\n");
+ return;
+ }
+ data = cl.worldmodel->entities;
+ if (!data)
+ return;
+ for (entnum = 0;COM_ParseToken(&data) && com_token[0] == '{';entnum++)
+ {
+ light = 0;
+ origin[0] = origin[1] = origin[2] = 0;
+ originhack[0] = originhack[1] = originhack[2] = 0;
+ color[0] = color[1] = color[2] = 1;
+ overridecolor[0] = overridecolor[1] = overridecolor[2] = 1;
+ scale = 1;
+ style = 0;
+ islight = false;
+ while (1)
+ {
+ if (!COM_ParseToken(&data))
+ break; // error
+ if (com_token[0] == '}')
+ break; // end of entity
+ if (com_token[0] == '_')
+ strcpy(key, com_token + 1);
+ else
+ strcpy(key, com_token);
+ while (key[strlen(key)-1] == ' ') // remove trailing spaces
+ key[strlen(key)-1] = 0;
+ if (!COM_ParseToken(&data))
+ break; // error
+ strcpy(value, com_token);
+
+ // now that we have the key pair worked out...
+ if (!strcmp("light", key))
+ light = atof(value);
+ else if (!strcmp("origin", key))
+ sscanf(value, "%f %f %f", &origin[0], &origin[1], &origin[2]);
+ else if (!strcmp("color", key))
+ sscanf(value, "%f %f %f", &color[0], &color[1], &color[2]);
+ else if (!strcmp("wait", key))
+ scale = atof(value);
+ else if (!strcmp("classname", key))
+ {
+ if (!strncmp(value, "light", 5))
+ {
+ islight = true;
+ if (!strcmp(value, "light_fluoro"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 1;
+ overridecolor[2] = 1;
+ }
+ if (!strcmp(value, "light_fluorospark"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 1;
+ overridecolor[2] = 1;
+ }
+ if (!strcmp(value, "light_globe"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 0;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.8;
+ overridecolor[2] = 0.4;
+ }
+ if (!strcmp(value, "light_flame_large_yellow"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 48;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_flame_small_yellow"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 40;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_torch_small_white"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 40;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ if (!strcmp(value, "light_torch_small_walltorch"))
+ {
+ originhack[0] = 0;
+ originhack[1] = 0;
+ originhack[2] = 40;
+ overridecolor[0] = 1;
+ overridecolor[1] = 0.5;
+ overridecolor[2] = 0.1;
+ }
+ }
+ }
+ else if (!strcmp("style", key))
+ style = atoi(value);
+ }
+ if (light <= 0 && islight)
+ light = 300;
+ radius = min(light * r_editlights_quakelightsizescale.value / scale, 1048576);
+ light = sqrt(bound(0, light, 1048576)) * (1.0f / 16.0f);
+ if (color[0] == 1 && color[1] == 1 && color[2] == 1)
+ VectorCopy(overridecolor, color);
+ VectorScale(color, light, color);
+ VectorAdd(origin, originhack, origin);
+ if (radius >= 15)
+ R_Shadow_NewWorldLight(origin, radius, color, style, NULL, true);
+ }
+}
+
+
+void R_Shadow_SetCursorLocationForView(void)
+{
+ vec_t dist, push, frac;
+ vec3_t dest, endpos, normal;
+ VectorMA(r_refdef.vieworg, r_editlights_cursordistance.value, vpn, dest);
+ frac = CL_TraceLine(r_refdef.vieworg, dest, endpos, normal, 0, true, NULL);
+ if (frac < 1)
+ {
+ dist = frac * r_editlights_cursordistance.value;
+ push = r_editlights_cursorpushback.value;
+ if (push > dist)
+ push = dist;
+ push = -push;
+ VectorMA(endpos, push, vpn, endpos);
+ VectorMA(endpos, r_editlights_cursorpushoff.value, normal, endpos);
+ }
+ r_editlights_cursorlocation[0] = floor(endpos[0] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+ r_editlights_cursorlocation[1] = floor(endpos[1] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+ r_editlights_cursorlocation[2] = floor(endpos[2] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
+}
+
+void R_Shadow_UpdateLightingMode(void)
+{
+ r_shadow_lightingmode = 0;
+ if (r_shadow_realtime.integer)
+ {
+ if (r_shadow_worldlightchain)
+ r_shadow_lightingmode = 2;
+ else
+ r_shadow_lightingmode = 1;
+ }
+}
+
+void R_Shadow_UpdateWorldLightSelection(void)
+{
+ R_Shadow_SetCursorLocationForView();
+ if (r_editlights.integer)
+ {
+ R_Shadow_SelectLightInView();
+ R_Shadow_DrawLightSprites();
+ }
+ else
+ R_Shadow_SelectLight(NULL);
+}
+
+void R_Shadow_EditLights_Clear_f(void)
+{
+ R_Shadow_ClearWorldLights();
+}
+
+void R_Shadow_EditLights_Reload_f(void)
+{
+ r_shadow_reloadlights = true;
+}
+
+void R_Shadow_EditLights_Save_f(void)
+{
+ if (cl.worldmodel)
+ R_Shadow_SaveWorldLights();
+}
+
+void R_Shadow_EditLights_ImportLightEntitiesFromMap_f(void)
+{
+ R_Shadow_ClearWorldLights();
+ R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite();
+}
+
+void R_Shadow_EditLights_ImportLightsFile_f(void)
+{
+ R_Shadow_ClearWorldLights();
+ R_Shadow_LoadLightsFile();
+}
+
+void R_Shadow_EditLights_Spawn_f(void)
+{
+ vec3_t color;
+ if (!r_editlights.integer)
+ {
+ Con_Printf("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (Cmd_Argc() != 1)
+ {
+ Con_Printf("r_editlights_spawn does not take parameters\n");
+ return;
+ }
+ color[0] = color[1] = color[2] = 1;
+ R_Shadow_NewWorldLight(r_editlights_cursorlocation, 200, color, 0, NULL, true);
+}
+
+void R_Shadow_EditLights_Edit_f(void)
+{
+ vec3_t origin, color;
+ vec_t radius;
+ int style, shadows;
+ char cubemapname[1024];
+ if (!r_editlights.integer)
+ {
+ Con_Printf("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Printf("No selected light.\n");
+ return;
+ }
+ VectorCopy(r_shadow_selectedlight->origin, origin);
+ radius = r_shadow_selectedlight->lightradius;
+ VectorCopy(r_shadow_selectedlight->light, color);
+ style = r_shadow_selectedlight->style;
+ if (r_shadow_selectedlight->cubemapname)
+ strcpy(cubemapname, r_shadow_selectedlight->cubemapname);
+ else
+ cubemapname[0] = 0;
+ shadows = r_shadow_selectedlight->castshadows;
+ if (!strcmp(Cmd_Argv(1), "origin"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(0));
+ return;
+ }
+ origin[0] = atof(Cmd_Argv(2));
+ origin[1] = atof(Cmd_Argv(3));
+ origin[2] = atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originx"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[0] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originy"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[1] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "originz"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[2] = atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "move"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(0));
+ return;
+ }
+ origin[0] += atof(Cmd_Argv(2));
+ origin[1] += atof(Cmd_Argv(3));
+ origin[2] += atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movex"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[0] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movey"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[1] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "movez"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ origin[2] += atof(Cmd_Argv(2));
+ }
+ else if (!strcmp(Cmd_Argv(1), "color"))
+ {
+ if (Cmd_Argc() != 5)
+ {
+ Con_Printf("usage: r_editlights_edit %s red green blue\n", Cmd_Argv(0));
+ return;
+ }
+ color[0] = atof(Cmd_Argv(2));
+ color[1] = atof(Cmd_Argv(3));
+ color[2] = atof(Cmd_Argv(4));
+ }
+ else if (!strcmp(Cmd_Argv(1), "radius"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ radius = atof(Cmd_Argv(2));
+ }
+ else if (Cmd_Argc() == 3 && !strcmp(Cmd_Argv(1), "style"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ style = atoi(Cmd_Argv(2));
+ }
+ else if (Cmd_Argc() == 3 && !strcmp(Cmd_Argv(1), "cubemap"))
+ {
+ if (Cmd_Argc() > 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ if (Cmd_Argc() == 3)
+ strcpy(cubemapname, Cmd_Argv(2));
+ else
+ cubemapname[0] = 0;
+ }
+ else if (Cmd_Argc() == 3 && !strcmp(Cmd_Argv(1), "shadows"))
+ {
+ if (Cmd_Argc() != 3)
+ {
+ Con_Printf("usage: r_editlights_edit %s value\n", Cmd_Argv(0));
+ return;
+ }
+ shadows = Cmd_Argv(2)[0] == 'y' || Cmd_Argv(2)[0] == 'Y' || Cmd_Argv(2)[0] == 't' || atoi(Cmd_Argv(2));
+ }
+ else
+ {
+ Con_Printf("usage: r_editlights_edit [property] [value]\n");
+ Con_Printf("Selected light's properties:\n");
+ Con_Printf("Origin: %f %f %f\n", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);
+ Con_Printf("Radius: %f\n", r_shadow_selectedlight->lightradius);
+ Con_Printf("Color: %f %f %f\n", r_shadow_selectedlight->light[0], r_shadow_selectedlight->light[1], r_shadow_selectedlight->light[2]);
+ Con_Printf("Style: %i\n", r_shadow_selectedlight->style);
+ Con_Printf("Cubemap: %s\n", r_shadow_selectedlight->cubemapname);
+ Con_Printf("Shadows: %s\n", r_shadow_selectedlight->castshadows ? "yes" : "no");
+ return;
+ }
+ R_Shadow_FreeWorldLight(r_shadow_selectedlight);
+ r_shadow_selectedlight = NULL;
+ R_Shadow_NewWorldLight(origin, radius, color, style, cubemapname, shadows);
+}
+
+extern int con_vislines;
+void R_Shadow_EditLights_DrawSelectedLightProperties(void)
+{
+ float x, y;
+ char temp[256];
+ if (r_shadow_selectedlight == NULL)
+ return;
+ x = 0;
+ y = con_vislines;
+ sprintf(temp, "Light properties");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Origin %f %f %f", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Radius %f", r_shadow_selectedlight->lightradius);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Color %f %f %f", r_shadow_selectedlight->light[0], r_shadow_selectedlight->light[1], r_shadow_selectedlight->light[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Style %i", r_shadow_selectedlight->style);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Cubemap %s", r_shadow_selectedlight->cubemapname);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+ sprintf(temp, "Shadows %s", r_shadow_selectedlight->castshadows ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8;
+}
+
+void R_Shadow_EditLights_ToggleShadow_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Printf("Cannot spawn light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Printf("No selected light.\n");
+ return;
+ }
+ R_Shadow_NewWorldLight(r_shadow_selectedlight->origin, r_shadow_selectedlight->lightradius, r_shadow_selectedlight->light, r_shadow_selectedlight->style, r_shadow_selectedlight->cubemapname, !r_shadow_selectedlight->castshadows);
+ R_Shadow_FreeWorldLight(r_shadow_selectedlight);
+ r_shadow_selectedlight = NULL;
+}
+
+void R_Shadow_EditLights_Remove_f(void)
+{
+ if (!r_editlights.integer)
+ {
+ Con_Printf("Cannot remove light when not in editing mode. Set r_editlights to 1.\n");
+ return;
+ }
+ if (!r_shadow_selectedlight)
+ {
+ Con_Printf("No selected light.\n");
+ return;
+ }
+ R_Shadow_FreeWorldLight(r_shadow_selectedlight);
+ r_shadow_selectedlight = NULL;
+}
+
+void R_Shadow_EditLights_Init(void)
+{
+ Cvar_RegisterVariable(&r_editlights);
+ Cvar_RegisterVariable(&r_editlights_cursordistance);
+ Cvar_RegisterVariable(&r_editlights_cursorpushback);
+ Cvar_RegisterVariable(&r_editlights_cursorpushoff);
+ Cvar_RegisterVariable(&r_editlights_cursorgrid);
+ Cvar_RegisterVariable(&r_editlights_quakelightsizescale);
+ Cvar_RegisterVariable(&r_editlights_rtlightssizescale);
+ Cvar_RegisterVariable(&r_editlights_rtlightscolorscale);
+ Cmd_AddCommand("r_editlights_clear", R_Shadow_EditLights_Clear_f);
+ Cmd_AddCommand("r_editlights_reload", R_Shadow_EditLights_Reload_f);
+ Cmd_AddCommand("r_editlights_save", R_Shadow_EditLights_Save_f);
+ Cmd_AddCommand("r_editlights_spawn", R_Shadow_EditLights_Spawn_f);
+ Cmd_AddCommand("r_editlights_edit", R_Shadow_EditLights_Edit_f);
+ Cmd_AddCommand("r_editlights_remove", R_Shadow_EditLights_Remove_f);
+ Cmd_AddCommand("r_editlights_toggleshadow", R_Shadow_EditLights_ToggleShadow_f);
+ Cmd_AddCommand("r_editlights_importlightentitiesfrommap", R_Shadow_EditLights_ImportLightEntitiesFromMap_f);
+ Cmd_AddCommand("r_editlights_importlightsfile", R_Shadow_EditLights_ImportLightsFile_f);
+}
projects / xonotic / darkplaces.git / blobdiff