]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_shadow.c
added DP_ASINACOSATANATAN2TAN extension which adds common trig functions missing...
[xonotic/darkplaces.git] / r_shadow.c
index 5541bfd9230c020edf66a1a3a2f29116de767d08..1e6966133d9a483cc2dba76a75da374d2ba82e03 100644 (file)
@@ -757,7 +757,7 @@ static void R_Shadow_MakeTextures(void)
                }
        }
        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)
+       if (r_shadow_texture3d.integer && gl_texture3d)
        {
                for (z = 0;z < ATTEN3DSIZE;z++)
                {
@@ -962,7 +962,7 @@ void R_Shadow_RenderMode_VisibleShadowVolumes(void)
        GL_DepthMask(false);
        GL_DepthTest(!r_showdisabledepthtest.integer);
        qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
-       GL_Color(0.0, 0.0125, 0.1, 1);
+       GL_Color(0.0, 0.0125 * r_view.colorscale, 0.1 * r_view.colorscale, 1);
        GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
        qglDepthFunc(GL_GEQUAL);CHECKGLERROR
        qglCullFace(GL_FRONT);CHECKGLERROR // this culls back
@@ -979,7 +979,7 @@ void R_Shadow_RenderMode_VisibleLighting(qboolean stenciltest, qboolean transpar
        GL_DepthMask(false);
        GL_DepthTest(!r_showdisabledepthtest.integer);
        qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
-       GL_Color(0.1, 0.0125, 0, 1);
+       GL_Color(0.1 * r_view.colorscale, 0.0125 * r_view.colorscale, 0, 1);
        GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
        if (transparent)
        {
@@ -1075,6 +1075,7 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs)
        // if that mesh is not empty, check what area of the screen it covers
        x1 = y1 = x2 = y2 = 0;
        v[3] = 1.0f;
+       //Con_Printf("%i vertices to transform...\n", mesh.numvertices);
        for (i = 0;i < mesh.numvertices;i++)
        {
                VectorCopy(mesh.vertex3f + i * 3, v);
@@ -1112,7 +1113,7 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs)
                return true;
 
        // the light area is visible, set up the scissor rectangle
-       GL_Scissor(ix1, vid.height - iy2, ix2 - ix1, iy2 - iy1);
+       GL_Scissor(ix1, iy1, ix2 - ix1, iy2 - iy1);
        //qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);CHECKGLERROR
        //qglEnable(GL_SCISSOR_TEST);CHECKGLERROR
        r_refdef.stats.lights_scissored++;
@@ -1275,7 +1276,7 @@ static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(int numsurfaces, msurfa
 static void R_Shadow_RenderSurfacesLighting_VisibleLighting(int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, qboolean dopants, qboolean doshirt)
 {
        // used to display how many times a surface is lit for level design purposes
-       GL_Color(0.1, 0.025, 0, 1);
+       GL_Color(0.1 * r_view.colorscale, 0.025 * r_view.colorscale, 0, 1);
        R_Mesh_ColorPointer(NULL);
        R_Mesh_ResetTextureState();
        RSurf_PrepareVerticesForBatch(false, false, numsurfaces, surfacelist);
@@ -1793,25 +1794,25 @@ static void R_Shadow_RenderSurfacesLighting_Light_Dot3(int numsurfaces, msurface
        RSurf_PrepareVerticesForBatch(true, true, numsurfaces, surfacelist);
        R_Mesh_ColorPointer(NULL);
        if (doambient)
-               R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorbase, basetexture, r_shadow_rtlight->ambientscale);
+               R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorbase, basetexture, r_shadow_rtlight->ambientscale * r_view.colorscale);
        if (dodiffuse)
-               R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorbase, basetexture, normalmaptexture, r_shadow_rtlight->diffusescale);
+               R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorbase, basetexture, normalmaptexture, r_shadow_rtlight->diffusescale * r_view.colorscale);
        if (dopants)
        {
                if (doambient)
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorpants, pantstexture, r_shadow_rtlight->ambientscale);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorpants, pantstexture, r_shadow_rtlight->ambientscale * r_view.colorscale);
                if (dodiffuse)
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorpants, pantstexture, normalmaptexture, r_shadow_rtlight->diffusescale);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorpants, pantstexture, normalmaptexture, r_shadow_rtlight->diffusescale * r_view.colorscale);
        }
        if (doshirt)
        {
                if (doambient)
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorshirt, shirttexture, r_shadow_rtlight->ambientscale);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3_AmbientPass(numsurfaces, surfacelist, lightcolorshirt, shirttexture, r_shadow_rtlight->ambientscale * r_view.colorscale);
                if (dodiffuse)
-                       R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorshirt, shirttexture, normalmaptexture, r_shadow_rtlight->diffusescale);
+                       R_Shadow_RenderSurfacesLighting_Light_Dot3_DiffusePass(numsurfaces, surfacelist, lightcolorshirt, shirttexture, normalmaptexture, r_shadow_rtlight->diffusescale * r_view.colorscale);
        }
        if (dospecular)
-               R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(numsurfaces, surfacelist, lightcolorbase, glosstexture, normalmaptexture, specularscale);
+               R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(numsurfaces, surfacelist, lightcolorbase, glosstexture, normalmaptexture, specularscale * r_view.colorscale);
 }
 
 void R_Shadow_RenderSurfacesLighting_Light_Vertex_Pass(const model_t *model, int numsurfaces, msurface_t **surfacelist, vec3_t diffusecolor2, vec3_t ambientcolor2)
@@ -1928,12 +1929,12 @@ static void R_Shadow_RenderSurfacesLighting_Light_Vertex(int numsurfaces, msurfa
        float ambientcolorpants[3], diffusecolorpants[3];
        float ambientcolorshirt[3], diffusecolorshirt[3];
        rmeshstate_t m;
-       VectorScale(lightcolorbase, r_shadow_rtlight->ambientscale * 2, ambientcolorbase);
-       VectorScale(lightcolorbase, r_shadow_rtlight->diffusescale * 2, diffusecolorbase);
-       VectorScale(lightcolorpants, r_shadow_rtlight->ambientscale * 2, ambientcolorpants);
-       VectorScale(lightcolorpants, r_shadow_rtlight->diffusescale * 2, diffusecolorpants);
-       VectorScale(lightcolorshirt, r_shadow_rtlight->ambientscale * 2, ambientcolorshirt);
-       VectorScale(lightcolorshirt, r_shadow_rtlight->diffusescale * 2, diffusecolorshirt);
+       VectorScale(lightcolorbase, r_shadow_rtlight->ambientscale * 2 * r_view.colorscale, ambientcolorbase);
+       VectorScale(lightcolorbase, r_shadow_rtlight->diffusescale * 2 * r_view.colorscale, diffusecolorbase);
+       VectorScale(lightcolorpants, r_shadow_rtlight->ambientscale * 2 * r_view.colorscale, ambientcolorpants);
+       VectorScale(lightcolorpants, r_shadow_rtlight->diffusescale * 2 * r_view.colorscale, diffusecolorpants);
+       VectorScale(lightcolorshirt, r_shadow_rtlight->ambientscale * 2 * r_view.colorscale, ambientcolorshirt);
+       VectorScale(lightcolorshirt, r_shadow_rtlight->diffusescale * 2 * r_view.colorscale, diffusecolorshirt);
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
        R_Mesh_ColorPointer(rsurface_array_color4f);
        memset(&m, 0, sizeof(m));
@@ -2052,8 +2053,7 @@ void R_Shadow_RenderSurfacesLighting(int numsurfaces, msurface_t **surfacelist)
 
 void R_RTLight_Update(dlight_t *light, int isstatic)
 {
-       int j, k;
-       float scale;
+       double scale;
        rtlight_t *rtlight = &light->rtlight;
        R_RTLight_Uncompile(rtlight);
        memset(rtlight, 0, sizeof(*rtlight));
@@ -2071,7 +2071,7 @@ void R_RTLight_Update(dlight_t *light, int isstatic)
        rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius;
        rtlight->cubemapname[0] = 0;
        if (light->cubemapname[0])
-               strcpy(rtlight->cubemapname, light->cubemapname);
+               strlcpy(rtlight->cubemapname, light->cubemapname, sizeof(rtlight->cubemapname));
        else if (light->cubemapnum > 0)
                sprintf(rtlight->cubemapname, "cubemaps/%i", light->cubemapnum);
        rtlight->shadow = light->shadow;
@@ -2084,12 +2084,11 @@ void R_RTLight_Update(dlight_t *light, int isstatic)
        rtlight->specularscale = light->specularscale;
        rtlight->flags = light->flags;
        Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &light->matrix);
-       // ConcatScale won't work here because this needs to scale rotate and
-       // translate, not just rotate
-       scale = 1.0f / rtlight->radius;
-       for (k = 0;k < 3;k++)
-               for (j = 0;j < 4;j++)
-                       rtlight->matrix_worldtolight.m[k][j] *= scale;
+       // this has to scale both rotate and translate because this is an already
+       // inverted matrix (it transforms from world to light space, not the other
+       // way around)
+       scale = 1.0 / rtlight->radius;
+       Matrix4x4_Scale(&rtlight->matrix_worldtolight, scale, scale);
 }
 
 // compiles rtlight geometry
@@ -2379,7 +2378,9 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
                         && (r_refdef.worldmodel == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs)))
                        {
                                // about the VectorDistance2 - light emitting entities should not cast their own shadow
-                               if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(ent->origin, rtlight->shadoworigin) > 0.1)
+                               vec3_t org;
+                               Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+                               if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1)
                                        shadowentities[numshadowentities++] = ent;
                                if (r_viewcache.entityvisible[i] && (ent->flags & RENDER_LIGHT) && model->DrawLight)
                                        lightentities[numlightentities++] = ent;
@@ -2576,7 +2577,7 @@ rtexture_t *R_Shadow_Cubemap(const char *basename)
        if (i >= MAX_CUBEMAPS)
                return r_texture_whitecube;
        numcubemaps++;
-       strcpy(cubemaps[i].basename, basename);
+       strlcpy(cubemaps[i].basename, basename, sizeof(cubemaps[i].basename));
        cubemaps[i].texture = R_Shadow_LoadCubemap(cubemaps[i].basename);
        if (!cubemaps[i].texture)
                cubemaps[i].texture = r_texture_whitecube;
@@ -2781,8 +2782,10 @@ void R_Shadow_LoadWorldLights(void)
                        // remove quotes on cubemapname
                        if (cubemapname[0] == '"' && cubemapname[strlen(cubemapname) - 1] == '"')
                        {
-                               cubemapname[strlen(cubemapname)-1] = 0;
-                               strcpy(cubemapname, cubemapname + 1);
+                               size_t namelen;
+                               namelen = strlen(cubemapname) - 2;
+                               memmove(cubemapname, cubemapname + 1, namelen);
+                               cubemapname[namelen] = '\0';
                        }
                        if (a < 8)
                        {
@@ -2926,7 +2929,7 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
                data = r_refdef.worldmodel->brush.entities;
        if (!data)
                return;
-       for (entnum = 0;COM_ParseToken(&data, false) && com_token[0] == '{';entnum++)
+       for (entnum = 0;COM_ParseTokenConsole(&data) && com_token[0] == '{';entnum++)
        {
                type = LIGHTTYPE_MINUSX;
                origin[0] = origin[1] = origin[2] = 0;
@@ -2944,19 +2947,19 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void)
                islight = false;
                while (1)
                {
-                       if (!COM_ParseToken(&data, false))
+                       if (!COM_ParseTokenConsole(&data))
                                break; // error
                        if (com_token[0] == '}')
                                break; // end of entity
                        if (com_token[0] == '_')
-                               strcpy(key, com_token + 1);
+                               strlcpy(key, com_token + 1, sizeof(key));
                        else
-                               strcpy(key, com_token);
+                               strlcpy(key, com_token, sizeof(key));
                        while (key[strlen(key)-1] == ' ') // remove trailing spaces
                                key[strlen(key)-1] = 0;
-                       if (!COM_ParseToken(&data, false))
+                       if (!COM_ParseTokenConsole(&data))
                                break; // error
-                       strcpy(value, com_token);
+                       strlcpy(value, com_token, sizeof(value));
 
                        // now that we have the key pair worked out...
                        if (!strcmp("light", key))
@@ -3431,7 +3434,7 @@ void R_Shadow_EditLights_Edit_f(void)
                        return;
                }
                if (Cmd_Argc() == 3)
-                       strcpy(cubemapname, Cmd_Argv(2));
+                       strlcpy(cubemapname, Cmd_Argv(2), sizeof(cubemapname));
                else
                        cubemapname[0] = 0;
        }
@@ -3701,7 +3704,7 @@ void R_Shadow_EditLights_CopyInfo_f(void)
        r_shadow_bufferlight.radius = r_shadow_selectedlight->radius;
        r_shadow_bufferlight.style = r_shadow_selectedlight->style;
        if (r_shadow_selectedlight->cubemapname)
-               strcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname);
+               strlcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname, sizeof(r_shadow_bufferlight.cubemapname));
        else
                r_shadow_bufferlight.cubemapname[0] = 0;
        r_shadow_bufferlight.shadow = r_shadow_selectedlight->shadow;