Add GL_ExtensionSupported in vid_null.c because vid_shared.c relies on
[xonotic/darkplaces.git] / r_explosion.c
index 2c1f72f..1145549 100644 (file)
@@ -21,7 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "quakedef.h"
 #include "cl_collision.h"
 
-#define MAX_EXPLOSIONS 64
+#ifdef MAX_EXPLOSIONS
 #define EXPLOSIONGRID 8
 #define EXPLOSIONVERTS ((EXPLOSIONGRID+1)*(EXPLOSIONGRID+1))
 #define EXPLOSIONTRIS (EXPLOSIONGRID*EXPLOSIONGRID*2)
@@ -50,18 +50,23 @@ explosion_t;
 static explosion_t explosion[MAX_EXPLOSIONS];
 
 static rtexture_t      *explosiontexture;
-static rtexture_t      *explosiontexturefog;
+//static rtexture_t    *explosiontexturefog;
 
 static rtexturepool_t  *explosiontexturepool;
+#endif
 
 cvar_t r_explosionclip = {CVAR_SAVE, "r_explosionclip", "1", "enables collision detection for explosion shell (so that it flattens against walls and floors)"};
+#ifdef MAX_EXPLOSIONS
 static cvar_t r_drawexplosions = {0, "r_drawexplosions", "1", "enables rendering of explosion shells (see also cl_particles_explosions_shell)"};
 
+//extern qboolean r_loadfog;
 static void r_explosion_start(void)
 {
        int x, y;
-       unsigned char noise1[128][128], noise2[128][128], noise3[128][128], data[128][128][4];
+       static unsigned char noise1[128][128], noise2[128][128], noise3[128][128], data[128][128][4];
        explosiontexturepool = R_AllocTexturePool();
+       explosiontexture = NULL;
+       //explosiontexturefog = NULL;
        fractalnoise(&noise1[0][0], 128, 32);
        fractalnoise(&noise2[0][0], 128, 4);
        fractalnoise(&noise3[0][0], 128, 4);
@@ -81,11 +86,14 @@ static void r_explosion_start(void)
                        data[y][x][3] = bound(0, a, 255);
                }
        }
-       explosiontexture = R_LoadTexture2D(explosiontexturepool, "explosiontexture", 128, 128, &data[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_FORCELINEAR, NULL);
-       for (y = 0;y < 128;y++)
-               for (x = 0;x < 128;x++)
-                       data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
-       explosiontexturefog = R_LoadTexture2D(explosiontexturepool, "explosiontexturefog", 128, 128, &data[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_FORCELINEAR, NULL);
+       explosiontexture = R_LoadTexture2D(explosiontexturepool, "explosiontexture", 128, 128, &data[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_FORCELINEAR, -1, NULL);
+//     if (r_loadfog)
+//     {
+//             for (y = 0;y < 128;y++)
+//                     for (x = 0;x < 128;x++)
+//                             data[y][x][0] = data[y][x][1] = data[y][x][2] = 255;
+//             explosiontexturefog = R_LoadTexture2D(explosiontexturepool, "explosiontexture_fog", 128, 128, &data[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_FORCELINEAR, NULL);
+//     }
        // note that explosions survive the restart
 }
 
@@ -118,9 +126,11 @@ static int R_ExplosionVert(int column, int row)
        explosionnoiseindex[i] = (row % EXPLOSIONGRID) * EXPLOSIONGRID + (column % EXPLOSIONGRID);
        return i;
 }
+#endif
 
 void R_Explosion_Init(void)
 {
+#ifdef MAX_EXPLOSIONS
        int i, x, y;
        i = 0;
        for (y = 0;y < EXPLOSIONGRID;y++)
@@ -138,14 +148,18 @@ void R_Explosion_Init(void)
                }
        }
 
+#endif
        Cvar_RegisterVariable(&r_explosionclip);
+#ifdef MAX_EXPLOSIONS
        Cvar_RegisterVariable(&r_drawexplosions);
 
-       R_RegisterModule("R_Explosions", r_explosion_start, r_explosion_shutdown, r_explosion_newmap);
+       R_RegisterModule("R_Explosions", r_explosion_start, r_explosion_shutdown, r_explosion_newmap, NULL, NULL);
+#endif
 }
 
 void R_NewExplosion(const vec3_t org)
 {
+#ifdef MAX_EXPLOSIONS
        int i, j;
        float dist, n;
        explosion_t *e;
@@ -175,43 +189,38 @@ void R_NewExplosion(const vec3_t org)
                                // clip start origin
                                if (e->clipping)
                                {
-                                       trace = CL_TraceLine(e->origin, e->vert[j], MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
+                                       trace = CL_TraceLine(e->origin, e->vert[j], MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, 0, 0, collision_extendmovelength.value, true, false, NULL, false, false);
                                        VectorCopy(trace.endpos, e->vert[i]);
                                }
                        }
                        break;
                }
        }
+#endif
 }
 
+#ifdef MAX_EXPLOSIONS
 static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
 {
        int surfacelistindex = 0;
        const int numtriangles = EXPLOSIONTRIS, numverts = EXPLOSIONVERTS;
-       rmeshstate_t m;
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
        GL_DepthMask(false);
        GL_DepthRange(0, 1);
        GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        GL_DepthTest(true);
        GL_CullFace(r_refdef.view.cullface_back);
-       R_Mesh_Matrix(&identitymatrix);
+       R_EntityMatrix(&identitymatrix);
 
-       R_SetupGenericShader(true);
-       R_Mesh_ColorPointer(NULL, 0, 0);
-       memset(&m, 0, sizeof(m));
-       m.tex[0] = R_GetTexture(explosiontexture);
-       m.pointer_texcoord[0] = explosiontexcoord2f[0];
-       R_Mesh_TextureState(&m);
+//     R_Mesh_ResetTextureState();
+       R_SetupShader_Generic(explosiontexture, false, false, false);
        for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
        {
                const explosion_t *e = explosion + surfacelist[surfacelistindex];
-               R_Mesh_VertexPointer(e->vert[0], 0, 0);
-               // FIXME: fixed function path can't properly handle r_refdef.view.colorscale > 1
+               // FIXME: this can't properly handle r_refdef.view.colorscale > 1
                GL_Color(e->alpha * r_refdef.view.colorscale, e->alpha * r_refdef.view.colorscale, e->alpha * r_refdef.view.colorscale, 1);
-               GL_LockArrays(0, numverts);
-               R_Mesh_Draw(0, numverts, 0, numtriangles, NULL, explosiontris[0], 0, 0);
-               GL_LockArrays(0, 0);
+               R_Mesh_PrepareVertices_Generic_Arrays(numverts, e->vert[0], NULL, explosiontexcoord2f[0]);
+               R_Mesh_Draw(0, numverts, 0, numtriangles, NULL, NULL, 0, explosiontris[0], NULL, 0);
        }
 }
 
@@ -236,7 +245,7 @@ static void R_MoveExplosion(explosion_t *e)
                        VectorMA(e->vert[i], frametime, e->vertvel[i], end);
                        if (e->clipping)
                        {
-                               trace = CL_TraceLine(e->vert[i], end, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
+                               trace = CL_TraceLine(e->vert[i], end, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, 0, 0, collision_extendmovelength.value, true, false, NULL, false, false);
                                if (trace.fraction < 1)
                                {
                                        // clip velocity against the wall
@@ -250,9 +259,11 @@ static void R_MoveExplosion(explosion_t *e)
                }
        }
 }
+#endif
 
 void R_DrawExplosions(void)
 {
+#ifdef MAX_EXPLOSIONS
        int i;
 
        if (!r_drawexplosions.integer)
@@ -264,10 +275,11 @@ void R_DrawExplosions(void)
                {
                        R_MoveExplosion(&explosion[i]);
                        if (explosion[i].alpha)
-                               R_MeshQueue_AddTransparent(explosion[i].origin, R_DrawExplosion_TransparentCallback, NULL, i, NULL);
+                               R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, explosion[i].origin, R_DrawExplosion_TransparentCallback, NULL, i, NULL);
                }
        }
        while (numexplosions > 0 && explosion[i-1].alpha <= 0)
                numexplosions--;
+#endif
 }