fixed r_restart skybox crash (as well as incorrect texture bugs related to this)...
authorhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 20 Oct 2004 11:58:58 +0000 (11:58 +0000)
committerhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 20 Oct 2004 11:58:58 +0000 (11:58 +0000)
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@4678 d7cf8633-e32d-0410-b094-e92efae38249

model_brush.c
model_shared.h
r_sky.c
render.h

index 91dd5a0..74a01d4 100644 (file)
@@ -904,6 +904,69 @@ static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *
        }
 }
 
+/*
+=============
+R_Q1BSP_LoadSplitSky
+
+A sky texture is 256*128, with the right side being a masked overlay
+==============
+*/
+void R_Q1BSP_LoadSplitSky (qbyte *src, int bytesperpixel)
+{
+       int i, j;
+       unsigned solidpixels[128*128], alphapixels[128*128];
+
+       if (bytesperpixel == 4)
+       {
+               for (i = 0;i < 128;i++)
+               {
+                       for (j = 0;j < 128;j++)
+                       {
+                               solidpixels[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
+                               alphapixels[(i*128) + j] = ((unsigned *)src)[i*256+j];
+                       }
+               }
+       }
+       else
+       {
+               // make an average value for the back to avoid
+               // a fringe on the top level
+               int p, r, g, b;
+               union
+               {
+                       unsigned int i;
+                       unsigned char b[4];
+               }
+               rgba;
+               r = g = b = 0;
+               for (i = 0;i < 128;i++)
+               {
+                       for (j = 0;j < 128;j++)
+                       {
+                               rgba.i = palette_complete[src[i*256 + j + 128]];
+                               r += rgba.b[0];
+                               g += rgba.b[1];
+                               b += rgba.b[2];
+                       }
+               }
+               rgba.b[0] = r/(128*128);
+               rgba.b[1] = g/(128*128);
+               rgba.b[2] = b/(128*128);
+               rgba.b[3] = 0;
+               for (i = 0;i < 128;i++)
+               {
+                       for (j = 0;j < 128;j++)
+                       {
+                               solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
+                               alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
+                       }
+               }
+       }
+
+       loadmodel->brush.solidskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_solidtexture", 128, 128, (qbyte *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+       loadmodel->brush.alphaskytexture = R_LoadTexture2D(loadmodel->texturepool, "sky_alphatexture", 128, 128, (qbyte *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
+}
+
 static void Mod_Q1BSP_LoadTextures(lump_t *l)
 {
        int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
@@ -1007,7 +1070,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                                {
                                        if (image_width == 256 && image_height == 128)
                                        {
-                                               R_InitSky(data, 4);
+                                               R_Q1BSP_LoadSplitSky(data, 4);
                                                Mem_Free(data);
                                        }
                                        else
@@ -1015,11 +1078,11 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                                                Mem_Free(data);
                                                Con_Printf("Invalid replacement texture for sky \"%s\" in %\"%s\", must be 256x128 pixels\n", tx->name, loadmodel->name);
                                                if (mtdata != NULL)
-                                                       R_InitSky(mtdata, 1);
+                                                       R_Q1BSP_LoadSplitSky(mtdata, 1);
                                        }
                                }
                                else if (mtdata != NULL)
-                                       R_InitSky(mtdata, 1);
+                                       R_Q1BSP_LoadSplitSky(mtdata, 1);
                        }
                }
                else
@@ -2913,11 +2976,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        mod->brushq1.BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
 
        if (loadmodel->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-               // until we get a texture for it...
-               R_ResetQuakeSky();
-       }
 
 // swap all the lumps
        mod_base = (qbyte *)header;
@@ -3509,11 +3568,7 @@ void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
                Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
        mod->brush.ishlbsp = false;
        if (loadmodel->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-               // until we get a texture for it...
-               R_ResetQuakeSky();
-       }
 
        mod_base = (qbyte *)header;
 
@@ -5634,11 +5689,7 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
        if (i != Q3BSPVERSION)
                Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
        if (mod->isworldmodel)
-       {
                Cvar_SetValue("halflifebsp", false);
-               // until we get a texture for it...
-               R_ResetQuakeSky();
-       }
 
        mod->soundfromcenter = true;
        mod->TraceBox = Mod_Q3BSP_TraceBox;
index 6f57d46..ddf9dce 100644 (file)
@@ -179,6 +179,9 @@ typedef struct model_brush_s
        void (*RoundUpToHullSize)(struct model_s *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs);
 
        char skybox[64];
+
+       rtexture_t *solidskytexture;
+       rtexture_t *alphaskytexture;
 }
 model_brush_t;
 
diff --git a/r_sky.c b/r_sky.c
index 6b15263..2c5cbd0 100644 (file)
--- a/r_sky.c
+++ b/r_sky.c
@@ -6,13 +6,9 @@
 cvar_t r_sky = {CVAR_SAVE, "r_sky", "1"};
 cvar_t r_skyscroll1 = {CVAR_SAVE, "r_skyscroll1", "1"};
 cvar_t r_skyscroll2 = {CVAR_SAVE, "r_skyscroll2", "2"};
-qboolean skyavailable_quake;
-qboolean skyavailable_box;
 int skyrendernow;
 int skyrendermasked;
 
-static rtexture_t *solidskytexture;
-static rtexture_t *alphaskytexture;
 static int skyrendersphere;
 static int skyrenderbox;
 static rtexturepool_t *skytexturepool;
@@ -62,9 +58,9 @@ void R_SkyStartFrame(void)
        skyrendermasked = false;
        if (r_sky.integer && !fogenabled)
        {
-               if (skyavailable_box)
+               if (skyboxside[0] || skyboxside[1] || skyboxside[2] || skyboxside[3] || skyboxside[4] || skyboxside[5])
                        skyrenderbox = true;
-               else if (skyavailable_quake)
+               else if (cl.worldmodel->brush.solidskytexture)
                        skyrendersphere = true;
                // for depth-masked sky, render the sky on the first sky surface encountered
                skyrendernow = true;
@@ -90,17 +86,20 @@ void R_UnloadSkyBox(void)
 
 void R_LoadSkyBox(void)
 {
-       int i, j;
+       int i, j, success;
        int indices[4] = {0,1,2,3};
        char name[1024];
        qbyte *image_rgba;
        qbyte *temp;
+
        R_UnloadSkyBox();
+
        if (!skyname[0])
                return;
 
        for (j=0; j<3; j++)
        {
+               success = 0;
                for (i=0; i<6; i++)
                {
                        if (snprintf(name, sizeof(name), "%s_%s", skyname, suffix[j][i].suffix) >= (int)sizeof(name) || !(image_rgba = loadimagepixels(name, false, 0, 0)))
@@ -119,22 +118,15 @@ void R_LoadSkyBox(void)
                        skyboxside[i] = R_LoadTexture2D(skytexturepool, va("skyboxside%d", i), image_width, image_height, temp, TEXTYPE_RGBA, TEXF_CLAMP | TEXF_PRECACHE, NULL);
                        Mem_Free(image_rgba);
                        Mem_Free(temp);
+                       success++;
                }
 
-               for (i=0; i<6; i++)
-               {
-                       if (skyboxside[i] == NULL)
-                       {
-                               R_UnloadSkyBox();
-                               break;
-                       }
-               }
-
-               if (skyboxside[0] != NULL)
-                       return;
+               if (success)
+                       break;
        }
 
-       Con_Printf ("Failed to load %s as skybox\n", skyname);
+       if (j == 3)
+               Con_Printf ("Failed to load %s as skybox\n", skyname);
 }
 
 int R_SetSkyBox(const char *sky)
@@ -148,20 +140,12 @@ int R_SetSkyBox(const char *sky)
                return false;
        }
 
-       skyavailable_box = false;
        strcpy(skyname, sky);
 
-       R_UnloadSkyBox();
        R_LoadSkyBox();
 
        if (!skyname[0])
                return true;
-
-       if (skyboxside[0] || skyboxside[1] || skyboxside[2] || skyboxside[3] || skyboxside[4] || skyboxside[5])
-       {
-               skyavailable_box = true;
-               return true;
-       }
        return false;
 }
 
@@ -290,7 +274,7 @@ static void R_SkyBox(void)
        GL_Color(1, 1, 1, 1);
        memset(&m, 0, sizeof(m));
        GL_BlendFunc(GL_ONE, GL_ZERO);
-       GL_DepthMask(true);
+       GL_DepthMask(false);
        GL_DepthTest(false); // don't modify or read zbuffer
        m.pointer_vertex = skyboxvertex3f;
        m.pointer_texcoord[0] = skyboxtexcoord2f;
@@ -391,13 +375,13 @@ static void R_SkySphere(void)
        GL_DepthTest(false); // don't modify or read zbuffer
        memset(&m, 0, sizeof(m));
        m.pointer_vertex = skysphere_vertex3f;
-       m.tex[0] = R_GetTexture(solidskytexture);
+       m.tex[0] = R_GetTexture(cl.worldmodel->brush.solidskytexture);
        m.pointer_texcoord[0] = skysphere_texcoord2f;
        m.texmatrix[0] = scroll1matrix;
        if (r_textureunits.integer >= 2)
        {
                // one pass using GL_DECAL or GL_INTERPOLATE_ARB for alpha layer
-               m.tex[1] = R_GetTexture(alphaskytexture);
+               m.tex[1] = R_GetTexture(cl.worldmodel->brush.alphaskytexture);
                m.texcombinergb[1] = gl_combine.integer ? GL_INTERPOLATE_ARB : GL_DECAL;
                m.pointer_texcoord[1] = skysphere_texcoord2f;
                m.texmatrix[1] = scroll2matrix;
@@ -415,7 +399,7 @@ static void R_SkySphere(void)
                GL_LockArrays(0, 0);
 
                GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-               m.tex[0] = R_GetTexture(alphaskytexture);
+               m.tex[0] = R_GetTexture(cl.worldmodel->brush.alphaskytexture);
                m.texmatrix[0] = scroll2matrix;
                R_Mesh_State(&m);
                GL_LockArrays(0, skysphere_numverts);
@@ -455,94 +439,16 @@ void R_Sky(void)
 
 //===============================================================
 
-/*
-=============
-R_InitSky
-
-A sky texture is 256*128, with the right side being a masked overlay
-==============
-*/
-void R_InitSky (qbyte *src, int bytesperpixel)
-{
-       int i, j;
-       unsigned solidpixels[128*128], alphapixels[128*128];
-
-       skyavailable_quake = true;
-
-       // flush skytexturepool so we won't build up a leak from uploading textures multiple times
-       R_FreeTexturePool(&skytexturepool);
-       skytexturepool = R_AllocTexturePool();
-       solidskytexture = NULL;
-       alphaskytexture = NULL;
-
-       if (bytesperpixel == 4)
-       {
-               for (i = 0;i < 128;i++)
-               {
-                       for (j = 0;j < 128;j++)
-                       {
-                               solidpixels[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
-                               alphapixels[(i*128) + j] = ((unsigned *)src)[i*256+j];
-                       }
-               }
-       }
-       else
-       {
-               // make an average value for the back to avoid
-               // a fringe on the top level
-               int p, r, g, b;
-               union
-               {
-                       unsigned int i;
-                       unsigned char b[4];
-               }
-               rgba;
-               r = g = b = 0;
-               for (i = 0;i < 128;i++)
-               {
-                       for (j = 0;j < 128;j++)
-                       {
-                               rgba.i = palette_complete[src[i*256 + j + 128]];
-                               r += rgba.b[0];
-                               g += rgba.b[1];
-                               b += rgba.b[2];
-                       }
-               }
-               rgba.b[0] = r/(128*128);
-               rgba.b[1] = g/(128*128);
-               rgba.b[2] = b/(128*128);
-               rgba.b[3] = 0;
-               for (i = 0;i < 128;i++)
-               {
-                       for (j = 0;j < 128;j++)
-                       {
-                               solidpixels[(i*128) + j] = palette_complete[src[i*256 + j + 128]];
-                               alphapixels[(i*128) + j] = (p = src[i*256 + j]) ? palette_complete[p] : rgba.i;
-                       }
-               }
-       }
-
-       solidskytexture = R_LoadTexture2D(skytexturepool, "sky_solidtexture", 128, 128, (qbyte *) solidpixels, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
-       alphaskytexture = R_LoadTexture2D(skytexturepool, "sky_alphatexture", 128, 128, (qbyte *) alphapixels, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
-}
-
-void R_ResetQuakeSky(void)
-{
-       skyavailable_quake = false;
-}
-
 void R_ResetSkyBox(void)
 {
        skyboxside[0] = skyboxside[1] = skyboxside[2] = skyboxside[3] = skyboxside[4] = skyboxside[5] = NULL;
        skyname[0] = 0;
-       skyavailable_box = false;
+       R_LoadSkyBox();
 }
 
 static void r_sky_start(void)
 {
        skytexturepool = R_AllocTexturePool();
-       solidskytexture = NULL;
-       alphaskytexture = NULL;
        R_LoadSkyBox();
 }
 
@@ -550,22 +456,21 @@ static void r_sky_shutdown(void)
 {
        R_UnloadSkyBox();
        R_FreeTexturePool(&skytexturepool);
-       solidskytexture = NULL;
-       alphaskytexture = NULL;
 }
 
 static void r_sky_newmap(void)
 {
 }
 
+
 void R_Sky_Init(void)
 {
        Cmd_AddCommand ("loadsky", &LoadSky_f);
        Cvar_RegisterVariable (&r_sky);
        Cvar_RegisterVariable (&r_skyscroll1);
        Cvar_RegisterVariable (&r_skyscroll2);
-       R_ResetSkyBox();
-       R_ResetQuakeSky();
+       skyboxside[0] = skyboxside[1] = skyboxside[2] = skyboxside[3] = skyboxside[4] = skyboxside[5] = NULL;
+       skyname[0] = 0;
        R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap);
 }
 
index b5f76e2..e0a6a81 100644 (file)
--- a/render.h
+++ b/render.h
@@ -43,7 +43,6 @@ extern int skyrendernow, skyrendermasked;
 extern int R_SetSkyBox(const char *sky);
 extern void R_SkyStartFrame(void);
 extern void R_Sky(void);
-extern void R_ResetQuakeSky(void);
 extern void R_ResetSkyBox(void);
 
 // SHOWLMP stuff (Nehahra)