]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_sky.c
No longer gives fail message when skybox loads properly, and no longer gives two...
[xonotic/darkplaces.git] / r_sky.c
diff --git a/r_sky.c b/r_sky.c
index 7af15bacf76d4efa39f3a06aaa15f485f66ac89a..d6bea0166b07cb9d80c29b610537e04c040f1253 100644 (file)
--- a/r_sky.c
+++ b/r_sky.c
@@ -4,18 +4,50 @@
 
 // FIXME: fix skybox after vid_restart
 cvar_t r_sky = {CVAR_SAVE, "r_sky", "1"};
-qboolean skyavailable_quake;
-qboolean skyavailable_box;
+cvar_t r_skyscroll1 = {CVAR_SAVE, "r_skyscroll1", "1"};
+cvar_t r_skyscroll2 = {CVAR_SAVE, "r_skyscroll2", "2"};
 int skyrendernow;
 int skyrendermasked;
 
-static rtexture_t *solidskytexture;
-static rtexture_t *alphaskytexture;
 static int skyrendersphere;
 static int skyrenderbox;
 static rtexturepool_t *skytexturepool;
 static char skyname[256];
-static char *suf[6] = {"rt", "bk", "lf", "ft", "up", "dn"};
+
+typedef struct suffixinfo_s
+{
+       char *suffix;
+       qboolean flipx, flipy, flipdiagonal;
+}
+suffixinfo_t;
+static suffixinfo_t suffix[3][6] =
+{
+       {
+               {"px",   false, false, false},
+               {"nx",   false, false, false},
+               {"py",   false, false, false},
+               {"ny",   false, false, false},
+               {"pz",   false, false, false},
+               {"nz",   false, false, false}
+       },
+       {
+               {"posx", false, false, false},
+               {"negx", false, false, false},
+               {"posy", false, false, false},
+               {"negy", false, false, false},
+               {"posz", false, false, false},
+               {"negz", false, false, false}
+       },
+       {
+               {"rt",   false, false,  true},
+               {"lf",    true,  true,  true},
+               {"bk",   false,  true, false},
+               {"ft",    true, false, false},
+               {"up",   false, false,  true},
+               {"dn",   false, false,  true}
+       }
+};
+
 static rtexture_t *skyboxside[6];
 
 void R_SkyStartFrame(void)
@@ -26,9 +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 (r_refdef.worldmodel->brush.solidskytexture)
                        skyrendersphere = true;
                // for depth-masked sky, render the sky on the first sky surface encountered
                skyrendernow = true;
@@ -48,31 +80,55 @@ void R_UnloadSkyBox(void)
        {
                if (skyboxside[i])
                        R_FreeTexture(skyboxside[i]);
-               skyboxside[i] = NULL;;
+               skyboxside[i] = NULL;
        }
 }
 
-void R_LoadSkyBox(void)
+int R_LoadSkyBox(void)
 {
-       int i;
+       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 (i = 0;i < 6;i++)
+               return true;
+
+       for (j=0; j<3; j++)
        {
-               if (snprintf(name, sizeof(name), "env/%s%s", skyname, suf[i]) >= (int)sizeof(name) || !(image_rgba = loadimagepixels(name, false, 0, 0)))
+               success = 0;
+               for (i=0; i<6; i++)
                {
-                       if (snprintf(name, sizeof(name), "gfx/env/%s%s", skyname, suf[i]) >= (int)sizeof(name) || !(image_rgba = loadimagepixels(name, false, 0, 0)))
+                       if (dpsnprintf(name, sizeof(name), "%s_%s", skyname, suffix[j][i].suffix) < 0 || !(image_rgba = loadimagepixels(name, false, 0, 0)))
                        {
-                               Con_Printf ("Couldn't load env/%s%s or gfx/env/%s%s\n", skyname, suf[i], skyname, suf[i]);
-                               continue;
+                               if (dpsnprintf(name, sizeof(name), "%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_rgba = loadimagepixels(name, false, 0, 0)))
+                               {
+                                       if (dpsnprintf(name, sizeof(name), "env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_rgba = loadimagepixels(name, false, 0, 0)))
+                                       {
+                                               if (dpsnprintf(name, sizeof(name), "gfx/env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_rgba = loadimagepixels(name, false, 0, 0)))
+                                                       continue;
+                                       }
+                               }
                        }
+                       temp = Mem_Alloc(tempmempool, image_width*image_height*4);
+                       Image_CopyMux (temp, image_rgba, image_width, image_height, suffix[j][i].flipx, suffix[j][i].flipy, suffix[j][i].flipdiagonal, 4, 4, indices);
+                       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++;
                }
-               skyboxside[i] = R_LoadTexture2D(skytexturepool, va("skyboxside%d", i), image_width, image_height, image_rgba, TEXTYPE_RGBA, TEXF_CLAMP | TEXF_PRECACHE, NULL);
-               Mem_Free(image_rgba);
+
+               if (success)
+                       break;
        }
+
+       if (j == 3)
+               return false;
+
+       return true;
 }
 
 int R_SetSkyBox(const char *sky)
@@ -82,25 +138,13 @@ int R_SetSkyBox(const char *sky)
 
        if (strlen(sky) > 1000)
        {
-               Con_Printf ("sky name too long (%i, max is 1000)\n", strlen(sky));
+               Con_Printf("sky name too long (%i, max is 1000)\n", strlen(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;
+       return R_LoadSkyBox();
 }
 
 // LordHavoc: added LoadSky console command
@@ -112,7 +156,7 @@ void LoadSky_f (void)
                if (skyname[0])
                        Con_Printf("current sky: %s\n", skyname);
                else
-                       Con_Printf("no skybox has been set\n");
+                       Con_Print("no skybox has been set\n");
                break;
        case 2:
                if (R_SetSkyBox(Cmd_Argv(1)))
@@ -120,13 +164,13 @@ void LoadSky_f (void)
                        if (skyname[0])
                                Con_Printf("skybox set to %s\n", skyname);
                        else
-                               Con_Printf("skybox disabled\n");
+                               Con_Print("skybox disabled\n");
                }
                else
                        Con_Printf("failed to load skybox %s\n", Cmd_Argv(1));
                break;
        default:
-               Con_Printf("usage: loadsky skyname\n");
+               Con_Print("usage: loadsky skyname\n");
                break;
        }
 }
@@ -134,68 +178,68 @@ void LoadSky_f (void)
 float skyboxvertex3f[6*4*3] =
 {
        // skyside[0]
-        16,  16,  16,
+        16, -16,  16,
+        16, -16, -16,
         16,  16, -16,
-       -16,  16, -16,
-       -16,  16,  16,
+        16,  16,  16,
        // skyside[1]
        -16,  16,  16,
        -16,  16, -16,
        -16, -16, -16,
        -16, -16,  16,
        // skyside[2]
+        16,  16,  16,
+        16,  16, -16,
+       -16,  16, -16,
+       -16,  16,  16,
+       // skyside[3]
        -16, -16,  16,
        -16, -16, -16,
         16, -16, -16,
         16, -16,  16,
-       // skyside[3]
-        16, -16,  16,
-        16, -16, -16,
-        16,  16, -16,
-        16,  16,  16,
        // skyside[4]
+       -16, -16,  16,
         16, -16,  16,
         16,  16,  16,
        -16,  16,  16,
-       -16, -16,  16,
        // skyside[5]
-        16,  16, -16,
         16, -16, -16,
        -16, -16, -16,
-       -16,  16, -16
+       -16,  16, -16,
+        16,  16, -16
 };
 
 float skyboxtexcoord2f[6*4*2] =
 {
        // skyside[0]
-       1, 0,
-       1, 1,
        0, 1,
+       1, 1,
+       1, 0,
        0, 0,
        // skyside[1]
        1, 0,
-       1, 1,
-       0, 1,
        0, 0,
+       0, 1,
+       1, 1,
        // skyside[2]
-       1, 0,
        1, 1,
-       0, 1,
-       0, 0,
-       // skyside[3]
        1, 0,
-       1, 1,
+       0, 0,
        0, 1,
+       // skyside[3]
        0, 0,
-       // skyside[4]
-       1, 0,
+       0, 1,
        1, 1,
+       1, 0,
+       // skyside[4]
        0, 1,
+       1, 1,
+       1, 0,
        0, 0,
        // skyside[5]
-       1, 0,
-       1, 1,
        0, 1,
+       1, 1,
+       1, 0,
        0, 0
 };
 
@@ -228,16 +272,18 @@ 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
-       GL_VertexPointer(skyboxvertex3f);
+       m.pointer_vertex = skyboxvertex3f;
        m.pointer_texcoord[0] = skyboxtexcoord2f;
+       GL_LockArrays(0, 6*4);
        for (i = 0;i < 6;i++)
        {
                m.tex[0] = R_GetTexture(skyboxside[i]);
-               R_Mesh_State_Texture(&m);
-               R_Mesh_Draw(6*4, 2, skyboxelements + i * 6);
+               R_Mesh_State(&m);
+               R_Mesh_Draw(0, 6*4, 2, skyboxelements + i * 6);
        }
+       GL_LockArrays(0, 0);
 }
 
 #define skygridx 32
@@ -303,58 +349,61 @@ static void R_SkySphere(void)
        float speedscale;
        static qboolean skysphereinitialized = false;
        rmeshstate_t m;
-       matrix4x4_t scroll1matrix, scroll2matrix, identitymatrix;
+       matrix4x4_t scroll1matrix, scroll2matrix;
        if (!skysphereinitialized)
        {
                skysphereinitialized = true;
                skyspherecalc();
        }
 
+       // wrap the scroll values just to be extra kind to float accuracy
+
        // scroll speed for upper layer
-       speedscale = cl.time*8.0/128.0;
-       // wrap the scroll just to be extra kind to float accuracy
+       speedscale = r_refdef.time*r_skyscroll1.value*8.0/128.0;
        speedscale -= (int)speedscale;
-
-       // scroll the lower cloud layer twice as fast (just like quake did)
        Matrix4x4_CreateTranslate(&scroll1matrix, speedscale, speedscale, 0);
-       Matrix4x4_CreateTranslate(&scroll2matrix, speedscale * 2, speedscale * 2, 0);
-       Matrix4x4_CreateIdentity(&identitymatrix);
+       // scroll speed for lower layer (transparent layer)
+       speedscale = r_refdef.time*r_skyscroll2.value*8.0/128.0;
+       speedscale -= (int)speedscale;
+       Matrix4x4_CreateTranslate(&scroll2matrix, speedscale, speedscale, 0);
 
-       GL_VertexPointer(skysphere_vertex3f);
        GL_Color(1, 1, 1, 1);
        GL_BlendFunc(GL_ONE, GL_ZERO);
        GL_DepthMask(true);
        GL_DepthTest(false); // don't modify or read zbuffer
        memset(&m, 0, sizeof(m));
-       m.tex[0] = R_GetTexture(solidskytexture);
+       m.pointer_vertex = skysphere_vertex3f;
+       m.tex[0] = R_GetTexture(r_refdef.worldmodel->brush.solidskytexture);
        m.pointer_texcoord[0] = skysphere_texcoord2f;
-       R_Mesh_TextureMatrix(0, &scroll1matrix);
+       m.texmatrix[0] = scroll1matrix;
        if (r_textureunits.integer >= 2)
        {
                // one pass using GL_DECAL or GL_INTERPOLATE_ARB for alpha layer
-               // LordHavoc: note that color is not set here because it does not
-               // matter with GL_REPLACE
-               m.tex[1] = R_GetTexture(alphaskytexture);
+               m.tex[1] = R_GetTexture(r_refdef.worldmodel->brush.alphaskytexture);
                m.texcombinergb[1] = gl_combine.integer ? GL_INTERPOLATE_ARB : GL_DECAL;
                m.pointer_texcoord[1] = skysphere_texcoord2f;
-               R_Mesh_State_Texture(&m);
-               R_Mesh_TextureMatrix(1, &scroll2matrix);
-               R_Mesh_Draw(skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
-               R_Mesh_TextureMatrix(1, &identitymatrix);
+               m.texmatrix[1] = scroll2matrix;
+               R_Mesh_State(&m);
+               GL_LockArrays(0, skysphere_numverts);
+               R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
+               GL_LockArrays(0, 0);
        }
        else
        {
                // two pass
-               R_Mesh_State_Texture(&m);
-               R_Mesh_Draw(skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
+               R_Mesh_State(&m);
+               GL_LockArrays(0, skysphere_numverts);
+               R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
+               GL_LockArrays(0, 0);
 
                GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-               m.tex[0] = R_GetTexture(alphaskytexture);
-               R_Mesh_State_Texture(&m);
-               R_Mesh_TextureMatrix(0, &scroll2matrix);
-               R_Mesh_Draw(skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
+               m.tex[0] = R_GetTexture(r_refdef.worldmodel->brush.alphaskytexture);
+               m.texmatrix[0] = scroll2matrix;
+               R_Mesh_State(&m);
+               GL_LockArrays(0, skysphere_numverts);
+               R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i);
+               GL_LockArrays(0, 0);
        }
-       R_Mesh_TextureMatrix(0, &identitymatrix);
 }
 
 void R_Sky(void)
@@ -380,7 +429,7 @@ void R_Sky(void)
                        // this modifies the depth buffer so we have to clear it afterward
                        //R_SkyRoom();
                        // clear the depthbuffer that was used while rendering the skyroom
-                       //qglClear(GL_DEPTH_BUFFER_BIT);
+                       //GL_Clear(GL_DEPTH_BUFFER_BIT);
                }
                */
        }
@@ -388,113 +437,16 @@ 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, p, r, g, b;
-       qbyte skyupperlayerpixels[128*128*4], skylowerlayerpixels[128*128*4];
-       unsigned trans[128*128], transpix, *rgba;
-       union
-       {
-               int i;
-               qbyte b[4];
-       }
-       transpixunion;
-
-       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)
-       {
-               transpixunion.i = 0;
-               for (i = 0;i < 128;i++)
-                       for (j = 0;j < 128;j++)
-                               trans[(i*128) + j] = ((unsigned *)src)[i*256+j+128];
-       }
-       else
-       {
-               // make an average value for the back to avoid
-               // a fringe on the top level
-               r = g = b = 0;
-               for (i=0 ; i<128 ; i++)
-               {
-                       for (j=0 ; j<128 ; j++)
-                       {
-                               p = src[i*256 + j + 128];
-                               rgba = &palette_complete[p];
-                               trans[(i*128) + j] = *rgba;
-                               r += ((qbyte *)rgba)[0];
-                               g += ((qbyte *)rgba)[1];
-                               b += ((qbyte *)rgba)[2];
-                       }
-               }
-
-               transpixunion.i = 0;
-               transpixunion.b[0] = r/(128*128);
-               transpixunion.b[1] = g/(128*128);
-               transpixunion.b[2] = b/(128*128);
-               transpixunion.b[3] = 0;
-       }
-       transpix = transpixunion.i;
-
-       memcpy(skyupperlayerpixels, trans, 128*128*4);
-
-       solidskytexture = R_LoadTexture2D(skytexturepool, "sky_solidtexture", 128, 128, (qbyte *) trans, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
-
-       if (bytesperpixel == 4)
-       {
-               for (i = 0;i < 128;i++)
-                       for (j = 0;j < 128;j++)
-                               trans[(i*128) + j] = ((unsigned *)src)[i*256+j];
-       }
-       else
-       {
-               for (i=0 ; i<128 ; i++)
-               {
-                       for (j=0 ; j<128 ; j++)
-                       {
-                               p = src[i*256 + j];
-                               if (p == 0)
-                                       trans[(i*128) + j] = transpix;
-                               else
-                                       trans[(i*128) + j] = palette_complete[p];
-                       }
-               }
-       }
-
-       memcpy(skylowerlayerpixels, trans, 128*128*4);
-
-       alphaskytexture = R_LoadTexture2D(skytexturepool, "sky_alphatexture", 128, 128, (qbyte *) trans, 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;
+       R_UnloadSkyBox();
        skyname[0] = 0;
-       skyavailable_box = false;
+       R_LoadSkyBox();
 }
 
 static void r_sky_start(void)
 {
        skytexturepool = R_AllocTexturePool();
-       solidskytexture = NULL;
-       alphaskytexture = NULL;
        R_LoadSkyBox();
 }
 
@@ -502,20 +454,21 @@ 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);
-       R_ResetSkyBox();
-       R_ResetQuakeSky();
+       Cvar_RegisterVariable (&r_skyscroll1);
+       Cvar_RegisterVariable (&r_skyscroll2);
+       memset(&skyboxside, 0, sizeof(skyboxside));
+       skyname[0] = 0;
        R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap);
 }