]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_shared.c
cvar saving robustness
[xonotic/darkplaces.git] / model_shared.c
index 5257863db4e9870e369b5d6035b8f0c538951087..47b4c58fabedfde42ed40f62707e0f17c9a13598 100644 (file)
@@ -1573,15 +1573,31 @@ static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
        {
                if (strcasecmp (entry->shader.name, shader->name) == 0)
                {
-                       unsigned char *start, *end, *start2;
-                       start = (unsigned char *) (&shader->Q3SHADERINFO_COMPARE_START);
-                       end = ((unsigned char *) (&shader->Q3SHADERINFO_COMPARE_END)) + sizeof(shader->Q3SHADERINFO_COMPARE_END);
-                       start2 = (unsigned char *) (&entry->shader.Q3SHADERINFO_COMPARE_START);
-                       if(memcmp(start, start2, end - start))
-                               Con_DPrintf("Shader '%s' already defined, ignoring mismatching redeclaration\n", shader->name);
+                       // redeclaration
+                       if(shader->dpshaderkill)
+                       {
+                               // killed shader is a redeclarion? we can safely ignore it
+                               return;
+                       }
+                       else if(entry->shader.dpshaderkill)
+                       {
+                               // replace the old shader!
+                               // this will skip the entry allocating part
+                               // below and just replace the shader
+                               break;
+                       }
                        else
-                               Con_DPrintf("Shader '%s' already defined\n", shader->name);
-                       return;
+                       {
+                               unsigned char *start, *end, *start2;
+                               start = (unsigned char *) (&shader->Q3SHADERINFO_COMPARE_START);
+                               end = ((unsigned char *) (&shader->Q3SHADERINFO_COMPARE_END)) + sizeof(shader->Q3SHADERINFO_COMPARE_END);
+                               start2 = (unsigned char *) (&entry->shader.Q3SHADERINFO_COMPARE_START);
+                               if(memcmp(start, start2, end - start))
+                                       Con_DPrintf("Shader '%s' already defined, ignoring mismatching redeclaration\n", shader->name);
+                               else
+                                       Con_DPrintf("Shader '%s' already defined\n", shader->name);
+                               return;
+                       }
                }
                lastEntry = entry;
                entry = entry->chain;
@@ -1607,8 +1623,11 @@ static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
 
 extern cvar_t mod_noshader_default_offsetmapping;
 extern cvar_t mod_q3shader_default_offsetmapping;
+extern cvar_t mod_q3shader_default_offsetmapping_scale;
+extern cvar_t mod_q3shader_default_offsetmapping_bias;
 extern cvar_t mod_q3shader_default_polygonoffset;
 extern cvar_t mod_q3shader_default_polygonfactor;
+extern cvar_t mod_q3shader_force_addalpha;
 void Mod_LoadQ3Shaders(void)
 {
        int j;
@@ -1623,6 +1642,7 @@ void Mod_LoadQ3Shaders(void)
        char *custsurfaceparmnames[256]; // VorteX: q3map2 has 64 but well, someone will need more
        unsigned long custsurfaceparms[256]; 
        int numcustsurfaceparms;
+       qboolean dpshaderkill;
 
        Mod_FreeQ3Shaders();
 
@@ -1696,7 +1716,8 @@ void Mod_LoadQ3Shaders(void)
                        Vector4Set(shader.reflectcolor4f, 1, 1, 1, 1);
                        shader.r_water_wateralpha = 1;
                        shader.offsetmapping = (mod_q3shader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
-                       shader.offsetscale = 1;
+                       shader.offsetscale = mod_q3shader_default_offsetmapping_scale.value;
+                       shader.offsetbias = mod_q3shader_default_offsetmapping_bias.value;
                        shader.specularscalemod = 1;
                        shader.specularpowermod = 1;
                        shader.biaspolygonoffset = mod_q3shader_default_polygonoffset.value;
@@ -1769,6 +1790,11 @@ void Mod_LoadQ3Shaders(void)
                                                                        layer->blendfunc[0] = GL_ONE;
                                                                        layer->blendfunc[1] = GL_ONE;
                                                                }
+                                                               else if (!strcasecmp(parameter[1], "addalpha"))
+                                                               {
+                                                                       layer->blendfunc[0] = GL_SRC_ALPHA;
+                                                                       layer->blendfunc[1] = GL_ONE;
+                                                               }
                                                                else if (!strcasecmp(parameter[1], "filter"))
                                                                {
                                                                        layer->blendfunc[0] = GL_DST_COLOR;
@@ -1796,7 +1822,7 @@ void Mod_LoadQ3Shaders(void)
                                                                        else if (!strcasecmp(parameter[k+1], "GL_DST_COLOR"))
                                                                                layer->blendfunc[k] = GL_DST_COLOR;
                                                                        else if (!strcasecmp(parameter[k+1], "GL_DST_ALPHA"))
-                                                                               layer->blendfunc[k] = GL_ONE_MINUS_DST_ALPHA;
+                                                                               layer->blendfunc[k] = GL_DST_ALPHA;
                                                                        else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_COLOR"))
                                                                                layer->blendfunc[k] = GL_ONE_MINUS_SRC_COLOR;
                                                                        else if (!strcasecmp(parameter[k+1], "GL_ONE_MINUS_SRC_ALPHA"))
@@ -1950,7 +1976,32 @@ void Mod_LoadQ3Shaders(void)
                                                        shader.textureblendalpha = true;
                                                }
                                        }
-                                       layer->texflags = TEXF_ALPHA;
+
+                                       if(mod_q3shader_force_addalpha.integer)
+                                       {
+                                               // for a long while, DP treated GL_ONE GL_ONE as GL_SRC_ALPHA GL_ONE
+                                               // this cvar brings back this behaviour
+                                               if(layer->blendfunc[0] == GL_ONE && layer->blendfunc[1] == GL_ONE)
+                                                       layer->blendfunc[0] = GL_SRC_ALPHA;
+                                       }
+
+                                       layer->texflags = 0;
+                                       if (layer->alphatest)
+                                               layer->texflags |= TEXF_ALPHA;
+                                       switch(layer->blendfunc[0])
+                                       {
+                                               case GL_SRC_ALPHA:
+                                               case GL_ONE_MINUS_SRC_ALPHA:
+                                                       layer->texflags |= TEXF_ALPHA;
+                                                       break;
+                                       }
+                                       switch(layer->blendfunc[1])
+                                       {
+                                               case GL_SRC_ALPHA:
+                                               case GL_ONE_MINUS_SRC_ALPHA:
+                                                       layer->texflags |= TEXF_ALPHA;
+                                                       break;
+                                       }
                                        if (!(shader.surfaceparms & Q3SURFACEPARM_NOMIPMAPS))
                                                layer->texflags |= TEXF_MIPMAP;
                                        if (!(shader.textureflags & Q3TEXTUREFLAG_NOPICMIP))
@@ -2079,6 +2130,58 @@ void Mod_LoadQ3Shaders(void)
                                        strlcpy(shader.dpreflectcube, parameter[1], sizeof(shader.dpreflectcube));
                                else if (!strcasecmp(parameter[0], "dpmeshcollisions"))
                                        shader.dpmeshcollisions = true;
+                               // this sets dpshaderkill to true if dpshaderkillifcvarzero was used, and to false if dpnoshaderkillifcvarzero was used
+                               else if (((dpshaderkill = !strcasecmp(parameter[0], "dpshaderkillifcvarzero")) || !strcasecmp(parameter[0], "dpnoshaderkillifcvarzero")) && numparameters >= 2)
+                               {
+                                       if (Cvar_VariableValue(parameter[1]) == 0.0f)
+                                               shader.dpshaderkill = dpshaderkill;
+                               }
+                               // this sets dpshaderkill to true if dpshaderkillifcvar was used, and to false if dpnoshaderkillifcvar was used
+                               else if (((dpshaderkill = !strcasecmp(parameter[0], "dpshaderkillifcvar")) || !strcasecmp(parameter[0], "dpnoshaderkillifcvar")) && numparameters >= 2)
+                               {
+                                       const char *op = NULL;
+                                       if (numparameters >= 3)
+                                               op = parameter[2];
+                                       if(!op)
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) != 0.0f)
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, "=="))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) == atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, "!="))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) != atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, ">"))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) > atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, "<"))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) < atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, ">="))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) >= atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else if (numparameters >= 4 && !strcmp(op, "<="))
+                                       {
+                                               if (Cvar_VariableValue(parameter[1]) <= atof(parameter[3]))
+                                                       shader.dpshaderkill = dpshaderkill;
+                                       }
+                                       else
+                                       {
+                                               Con_DPrintf("%s parsing warning: unknown dpshaderkillifcvar op \"%s\", or not enough arguments\n", search->filenames[fileindex], op);
+                                       }
+                               }
                                else if (!strcasecmp(parameter[0], "sky") && numparameters >= 2)
                                {
                                        // some q3 skies don't have the sky parm set
@@ -2155,17 +2258,33 @@ void Mod_LoadQ3Shaders(void)
                                {
                                        shader.specularpowermod = atof(parameter[1]);
                                }
-                               else if (!strcasecmp(parameter[0], "dpoffsetmapping") && numparameters >= 3)
+                               else if (!strcasecmp(parameter[0], "dprtlightambient") && numparameters >= 2)
+                               {
+                                       shader.rtlightambient = atof(parameter[1]);
+                               }
+                               else if (!strcasecmp(parameter[0], "dpoffsetmapping") && numparameters >= 2)
                                {
                                        if (!strcasecmp(parameter[1], "disable") || !strcasecmp(parameter[1], "none") || !strcasecmp(parameter[1], "off"))
                                                shader.offsetmapping = OFFSETMAPPING_OFF;
-                                       else if (!strcasecmp(parameter[1], "default"))
+                                       else if (!strcasecmp(parameter[1], "default") || !strcasecmp(parameter[1], "normal"))
                                                shader.offsetmapping = OFFSETMAPPING_DEFAULT;
                                        else if (!strcasecmp(parameter[1], "linear"))
                                                shader.offsetmapping = OFFSETMAPPING_LINEAR;
                                        else if (!strcasecmp(parameter[1], "relief"))
                                                shader.offsetmapping = OFFSETMAPPING_RELIEF;
-                                       shader.offsetscale = atof(parameter[2]);
+                                       if (numparameters >= 3)
+                                               shader.offsetscale = atof(parameter[2]);
+                                       if (numparameters >= 5)
+                                       {
+                                               if(!strcasecmp(parameter[3], "bias"))
+                                                       shader.offsetbias = atof(parameter[4]);
+                                               else if(!strcasecmp(parameter[3], "match"))
+                                                       shader.offsetbias = 1.0f - atof(parameter[4]);
+                                               else if(!strcasecmp(parameter[3], "match8"))
+                                                       shader.offsetbias = 1.0f - atof(parameter[4]) / 255.0f;
+                                               else if(!strcasecmp(parameter[3], "match16"))
+                                                       shader.offsetbias = 1.0f - atof(parameter[4]) / 65535.0f;
+                                       }
                                }
                                else if (!strcasecmp(parameter[0], "deformvertexes") && numparameters >= 2)
                                {
@@ -2207,6 +2326,9 @@ void Mod_LoadQ3Shaders(void)
                                        }
                                }
                        }
+                       // hide this shader if a cvar said it should be killed
+                       if (shader.dpshaderkill)
+                               shader.numlayers = 0;
                        // pick the primary layer to render with
                        if (shader.numlayers)
                        {
@@ -2286,8 +2408,10 @@ qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qbool
        // unless later loaded from the shader
        texture->offsetmapping = (mod_noshader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
        texture->offsetscale = 1;
+       texture->offsetbias = 0;
        texture->specularscalemod = 1;
        texture->specularpowermod = 1; 
+       texture->rtlightambient = 0;
        // WHEN ADDING DEFAULTS HERE, REMEMBER TO SYNC TO SHADER LOADING ABOVE
        // HERE, AND Q1BSP LOADING
        // JUST GREP FOR "specularscalemod = 1".
@@ -2435,8 +2559,10 @@ nothing                GL_ZERO GL_ONE
                Vector2Copy(shader->r_water_waterscroll, texture->r_water_waterscroll);
                texture->offsetmapping = shader->offsetmapping;
                texture->offsetscale = shader->offsetscale;
+               texture->offsetbias = shader->offsetbias;
                texture->specularscalemod = shader->specularscalemod;
                texture->specularpowermod = shader->specularpowermod;
+               texture->rtlightambient = shader->rtlightambient;
                if (shader->dpreflectcube[0])
                        texture->reflectcubetexture = R_GetCubemap(shader->dpreflectcube);
 
@@ -2485,6 +2611,8 @@ nothing                GL_ZERO GL_ONE
 
                if (shader->dpmeshcollisions)
                        texture->basematerialflags |= MATERIALFLAG_MESHCOLLISIONS;
+               if (shader->dpshaderkill && developer_extra.integer)
+                       Con_DPrintf("^1%s:^7 killing shader ^3\"%s\" because of cvar\n", loadmodel->name, name);
        }
        else if (!strcmp(texture->name, "noshader") || !texture->name[0])
        {
@@ -2525,6 +2653,7 @@ nothing                GL_ZERO GL_ONE
                if(cls.state == ca_dedicated)
                {
                        texture->skinframes[0] = NULL;
+                       success = false;
                }
                else
                {