qbyte *trianglefacinglight;
rtexturepool_t *r_shadow_texturepool;
-rtexture_t *r_shadow_normalsattenuationtexture;
rtexture_t *r_shadow_normalscubetexture;
rtexture_t *r_shadow_attenuation2dtexture;
rtexture_t *r_shadow_blankbumptexture;
cvar_t r_shadow_lightattenuationscale = {0, "r_shadow_lightattenuationscale", "2"};
cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1"};
cvar_t r_shadow_realtime = {0, "r_shadow_realtime", "0"};
-cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "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"};
shadowelements = NULL;
maxtrianglefacinglight = 0;
trianglefacinglight = NULL;
- r_shadow_normalsattenuationtexture = NULL;
r_shadow_normalscubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_blankbumptexture = NULL;
{
R_Shadow_ClearWorldLights();
r_shadow_reloadlights = true;
- r_shadow_normalsattenuationtexture = NULL;
r_shadow_normalscubetexture = NULL;
r_shadow_attenuation2dtexture = NULL;
r_shadow_blankbumptexture = NULL;
Cvar_RegisterVariable(&r_shadow_lightattenuationscale);
Cvar_RegisterVariable(&r_shadow_lightintensityscale);
Cvar_RegisterVariable(&r_shadow_realtime);
- Cvar_RegisterVariable(&r_shadow_texture3d);
Cvar_RegisterVariable(&r_shadow_gloss);
Cvar_RegisterVariable(&r_shadow_debuglight);
Cvar_RegisterVariable(&r_shadow_scissor);
}
float r_shadow_atten1;
-#define ATTEN3DSIZE 64
-static void R_Shadow_Make3DTextures(void)
-{
- int x, y, z;
- float v[3], intensity, ilen, bordercolor[4];
- qbyte *data;
- data = Mem_Alloc(tempmempool, ATTEN3DSIZE * ATTEN3DSIZE * ATTEN3DSIZE * 4);
- 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 / (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;
- intensity = 1.0f - sqrt(DotProduct(v, v));
- if (intensity > 0)
- intensity *= intensity;
- ilen = 127.0f * bound(0, intensity * r_shadow_atten1, 1) / sqrt(DotProduct(v, v));
- data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+0] = 128.0f + ilen * v[0];
- data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+1] = 128.0f + ilen * v[1];
- data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+2] = 128.0f + ilen * v[2];
- data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+3] = 255;
- }
- }
- }
- r_shadow_normalsattenuationtexture = R_LoadTexture3D(r_shadow_texturepool, "normalsattenuation", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
- Mem_Free(data);
- bordercolor[0] = 0.5f;
- bordercolor[1] = 0.5f;
- bordercolor[2] = 0.5f;
- bordercolor[3] = 1.0f;
- qglTexParameterfv(GL_TEXTURE_3D, GL_TEXTURE_BORDER_COLOR, bordercolor);
-}
-
static void R_Shadow_MakeTextures(void)
{
int x, y, d, side;
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[0] = 64;
+ data[1] = 64;
+ data[2] = 64;
data[3] = 255;
r_shadow_blankglosstexture = R_LoadTexture2D(r_shadow_texturepool, "blankgloss", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
data[0] = 255;
}
r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", 128, 128, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA | TEXF_MIPMAP, NULL);
Mem_Free(data);
- if (r_shadow_texture3d.integer)
- R_Shadow_Make3DTextures();
}
void R_Shadow_Stage_Begin(void)
{
rmeshstate_t m;
- if (r_shadow_texture3d.integer && !gl_texture3d)
- {
- Con_Printf("3D texture support not detected, falling back on slower 2D + 1D + normalization lighting\n");
- Cvar_SetValueQuick(&r_shadow_texture3d, 0);
- }
//cl.worldmodel->numlights = min(cl.worldmodel->numlights, 1);
if (!r_shadow_attenuation2dtexture
- || (r_shadow_texture3d.integer && !r_shadow_normalsattenuationtexture)
|| r_shadow_lightattenuationscale.value != r_shadow_atten1)
R_Shadow_MakeTextures();
if (r_shadow_reloadlights && cl.worldmodel)
{
+ R_Shadow_ClearWorldLights();
r_shadow_reloadlights = false;
R_Shadow_LoadWorldLights();
if (r_shadow_worldlightchain == NULL)
// 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)
- {
- if (r_textureunits.integer >= 4 && !lightcubemap)
- {
- // 4 texture 3D combine path, one pass, no light cubemap support
- m.tex[0] = R_GetTexture(bumptexture);
- m.tex3d[1] = R_GetTexture(r_shadow_normalsattenuationtexture);
- m.tex[2] = R_GetTexture(basetexture);
- m.tex[3] = R_GetTexture(r_shadow_blankwhitetexture);
- 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);
- memcpy(varray_texcoord[0], texcoords, numverts * sizeof(float[4]));
- memcpy(varray_texcoord[2], texcoords, numverts * sizeof(float[4]));
- R_Shadow_GenTexCoords_Diffuse_Attenuation3D(varray_texcoord[1], numverts, varray_vertex, svectors, tvectors, normals, relativelightorigin, lightradius);
- qglActiveTexture(GL_TEXTURE3_ARB);
- qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PRIMARY_COLOR_ARB);
- colorscale = r_colorscale * r_shadow_lightintensityscale.value;
- for (mult = 1, scale = ixtable[mult];mult < 64 && (lightcolor[0] * scale * colorscale > 1 || lightcolor[1] * scale * colorscale > 1 || lightcolor[2] * scale * colorscale > 1);mult++, scale = ixtable[mult]);
- colorscale *= scale;
- GL_Color(lightcolor[0] * colorscale, lightcolor[1] * colorscale, lightcolor[2] * colorscale, 1);
- for (renders = 0;renders < mult;renders++)
- R_Mesh_Draw(numverts, numtriangles, elements);
- qglActiveTexture(GL_TEXTURE3_ARB);
- qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
- }
- else
- {
- // 2 texture no3D combine path, two pass
- m.tex[0] = R_GetTexture(bumptexture);
- m.tex3d[1] = R_GetTexture(r_shadow_normalsattenuationtexture);
- 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);
- memcpy(varray_texcoord[0], texcoords, numverts * sizeof(float[4]));
- R_Shadow_GenTexCoords_Diffuse_Attenuation3D(varray_texcoord[1], numverts, varray_vertex, svectors, tvectors, normals, relativelightorigin, lightradius);
- R_Mesh_Draw(numverts, numtriangles, elements);
-
- m.tex[0] = R_GetTexture(basetexture);
- m.tex3d[1] = 0;
- m.texcubemap[1] = R_GetTexture(lightcubemap);
- m.texcombinergb[0] = GL_MODULATE;
- m.texcombinergb[1] = GL_MODULATE;
- R_Mesh_TextureState(&m);
- qglColorMask(1,1,1,1);
- qglBlendFunc(GL_DST_ALPHA, GL_ONE);
- qglEnable(GL_BLEND);
- if (lightcubemap)
- R_Shadow_GenTexCoords_LightCubeMap(varray_texcoord[1], numverts, varray_vertex, relativelightorigin);
-
- colorscale = r_colorscale * r_shadow_lightintensityscale.value;
- for (mult = 1, scale = ixtable[mult];mult < 64 && (lightcolor[0] * scale * colorscale > 1 || lightcolor[1] * scale * colorscale > 1 || lightcolor[2] * scale * colorscale > 1);mult++, scale = ixtable[mult]);
- colorscale *= scale;
- GL_Color(lightcolor[0] * colorscale, lightcolor[1] * colorscale, lightcolor[2] * colorscale, 1);
- for (renders = 0;renders < mult;renders++)
- R_Mesh_Draw(numverts, numtriangles, elements);
- }
- }
- else if (r_textureunits.integer >= 4)
+ if (r_textureunits.integer >= 4)
{
// 4 texture no3D combine path, two pass
m.tex[0] = R_GetTexture(bumptexture);
if (lightcubemap)
R_Shadow_GenTexCoords_LightCubeMap(varray_texcoord[1], numverts, varray_vertex, relativelightorigin);
- // the 0.25f makes specular lighting much dimmer than diffuse (intentionally)
- colorscale = r_colorscale * 0.25f * r_shadow_lightintensityscale.value;
+ colorscale = r_colorscale * r_shadow_lightintensityscale.value;
for (mult = 1, scale = ixtable[mult];mult < 64 && (lightcolor[0] * scale * colorscale > 1 || lightcolor[1] * scale * colorscale > 1 || lightcolor[2] * scale * colorscale > 1);mult++, scale = ixtable[mult]);
colorscale *= scale;
GL_Color(lightcolor[0] * colorscale, lightcolor[1] * colorscale, lightcolor[2] * colorscale, 1);
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"};
worldlight_t *r_shadow_worldlightchain;
worldlight_t *r_shadow_selectedlight;
vec3_t r_editlights_cursorlocation;
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);
}
}
+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);
+ varray_texcoord[0][ 0] = 0;varray_texcoord[0][ 1] = 0;
+ varray_texcoord[0][ 4] = 0;varray_texcoord[0][ 5] = 1;
+ varray_texcoord[0][ 8] = 1;varray_texcoord[0][ 9] = 1;
+ varray_texcoord[0][12] = 1;varray_texcoord[0][13] = 0;
+ varray_vertex[0] = origin[0] - vright[0] * scale - vup[0] * scale;
+ varray_vertex[1] = origin[1] - vright[1] * scale - vup[1] * scale;
+ varray_vertex[2] = origin[2] - vright[2] * scale - vup[2] * scale;
+ varray_vertex[4] = origin[0] - vright[0] * scale + vup[0] * scale;
+ varray_vertex[5] = origin[1] - vright[1] * scale + vup[1] * scale;
+ varray_vertex[6] = origin[2] - vright[2] * scale + vup[2] * scale;
+ varray_vertex[8] = origin[0] + vright[0] * scale + vup[0] * scale;
+ varray_vertex[9] = origin[1] + vright[1] * scale + vup[1] * scale;
+ varray_vertex[10] = origin[2] + vright[2] * scale + vup[2] * scale;
+ varray_vertex[12] = origin[0] + vright[0] * scale - vup[0] * scale;
+ varray_vertex[13] = origin[1] + vright[1] * scale - vup[1] * scale;
+ varray_vertex[14] = origin[2] + vright[2] * scale - vup[2] * scale;
+ R_Mesh_Draw(4, 2, polygonelements);
+}
+
+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, temp[3], dist;
+ float bestrating, rating, temp[3];
worldlight_t *best, *light;
best = NULL;
- bestrating = 1e30;
+ bestrating = 0;
for (light = r_shadow_worldlightchain;light;light = light->next)
{
VectorSubtract(light->origin, r_refdef.vieworg, temp);
- dist = sqrt(DotProduct(temp, temp));
- if (DotProduct(temp, vpn) >= 0.97 * dist && bestrating > dist && CL_TraceLine(light->origin, r_refdef.vieworg, NULL, NULL, 0, true, NULL) == 1.0f)
+ rating = (DotProduct(temp, vpn) / sqrt(DotProduct(temp, temp)));
+ if (rating >= 0.95)
{
- bestrating = dist;
- best = light;
+ 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);
}
if (light <= 0 && islight)
light = 300;
- radius = bound(0, light / scale, 1048576) + 15.0f;
- light = bound(0, light, 1048576) * (1.0f / 256.0f);
+ radius = bound(15, 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);
r_editlights_cursorlocation[2] = floor(endpos[2] / r_editlights_cursorgrid.value + 0.5f) * r_editlights_cursorgrid.value;
}
-extern void R_DrawCrosshairSprite(rtexture_t *texture, vec3_t origin, vec_t scale, float cr, float cg, float cb, float ca);
-void R_Shadow_DrawCursorCallback(const void *calldata1, int calldata2)
-{
- cachepic_t *pic;
- pic = Draw_CachePic("gfx/crosshair1.tga");
- if (pic)
- R_DrawCrosshairSprite(pic->tex, r_editlights_cursorlocation, r_editlights_cursorgrid.value * 0.5f, 1, 1, 1, 1);
-}
-
-void R_Shadow_DrawCursor(void)
-{
- R_MeshQueue_AddTransparent(r_editlights_cursorlocation, R_Shadow_DrawCursorCallback, NULL, 0);
-}
-
void R_Shadow_UpdateLightingMode(void)
{
r_shadow_lightingmode = 0;
{
if (r_editlights.integer)
{
- R_Shadow_SelectLightInView();
R_Shadow_SetCursorLocationForView();
- R_Shadow_DrawCursor();
+ R_Shadow_SelectLightInView();
+ R_Shadow_DrawLightSprites();
}
else
R_Shadow_SelectLight(NULL);
void R_Shadow_EditLights_Reload_f(void)
{
- if (cl.worldmodel)
- {
- R_Shadow_ClearWorldLights();
- R_Shadow_LoadWorldLights();
- }
+ r_shadow_reloadlights = true;
}
void R_Shadow_EditLights_Save_f(void)
Cvar_RegisterVariable(&r_editlights_cursorpushback);
Cvar_RegisterVariable(&r_editlights_cursorpushoff);
Cvar_RegisterVariable(&r_editlights_cursorgrid);
+ Cvar_RegisterVariable(&r_editlights_quakelightsizescale);
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);
projects / xonotic / darkplaces.git / blobdiff