added polygonoffset as a texture property, used on submodels (such as

[xonotic/darkplaces.git] / r_explosion.c

diff --git a/r_explosion.c b/r_explosion.c
index 28f8bae0ff05679069a0ea9f86a6ce87f916d444..48ce2ef3ec4e3566f524cd74b7085d4633aaff0d 100644 (file)
--- a/r_explosion.c
+++ b/r_explosion.c
@@ -141,7 +141,7 @@ void R_Explosion_Init(void)
        R_RegisterModule("R_Explosions", r_explosion_start, r_explosion_shutdown, r_explosion_newmap);
 }
 
-void R_NewExplosion(vec3_t org)
+void R_NewExplosion(const vec3_t org)
 {
        int i, j;
        float dist, n;
@@ -151,7 +151,7 @@ void R_NewExplosion(vec3_t org)
        fractalnoisequick(noise, EXPLOSIONGRID, 4); // adjust noise grid size according to explosion
        for (i = 0, e = explosion;i < MAX_EXPLOSIONS;i++, e++)
        {
-               if (cl.time >= e->endtime)
+               if (!e->alpha)
                {
                        e->starttime = cl.time;
                        e->endtime = cl.time + cl_explosions_lifetime.value;
@@ -171,7 +171,7 @@ void R_NewExplosion(vec3_t org)
                                // clip start origin
                                if (e->clipping)
                                {
-                                       trace = CL_TraceBox(e->origin, vec3_origin, vec3_origin, e->vert[j], true, NULL, SUPERCONTENTS_SOLID, false);
+                                       trace = CL_Move(e->origin, vec3_origin, vec3_origin, e->vert[j], MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
                                        VectorCopy(trace.endpos, e->vert[i]);
                                }
                        }
@@ -180,33 +180,34 @@ void R_NewExplosion(vec3_t org)
        }
 }
 
-static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
+static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
 {
-       const explosion_t *e = explosion + surfacenumber;
-       int numtriangles, numverts;
-       float alpha;
+       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(GL_FRONT); // quake is backwards, this culls back faces
        R_Mesh_Matrix(&identitymatrix);
 
-       numtriangles = EXPLOSIONTRIS;
-       numverts = EXPLOSIONVERTS;
-       alpha = e->alpha;
-
+       R_Mesh_ColorPointer(NULL, 0, 0);
        memset(&m, 0, sizeof(m));
        m.tex[0] = R_GetTexture(explosiontexture);
        m.pointer_texcoord[0] = explosiontexcoord2f[0];
-       m.pointer_vertex = e->vert[0];
-       R_Mesh_State(&m);
-
-       GL_Color(alpha, alpha, alpha, 1);
-
-       GL_LockArrays(0, numverts);
-       R_Mesh_Draw(0, numverts, numtriangles, explosiontris[0]);
-       GL_LockArrays(0, 0);
+       R_Mesh_TextureState(&m);
+       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_view.colorscale > 1
+               GL_Color(e->alpha * r_view.colorscale, e->alpha * r_view.colorscale, e->alpha * r_view.colorscale, 1);
+               GL_LockArrays(0, numverts);
+               R_Mesh_Draw(0, numverts, numtriangles, explosiontris[0], 0, 0);
+               GL_LockArrays(0, 0);
+       }
 }
 
 static void R_MoveExplosion(explosion_t *e)
@@ -218,6 +219,11 @@ static void R_MoveExplosion(explosion_t *e)
        frametime = cl.time - e->time;
        e->time = cl.time;
        e->alpha = e->alpha - (e->fade * frametime);
+       if (e->alpha < 0 || cl.time > e->endtime)
+       {
+               e->alpha = 0;
+               return;
+       }
        for (i = 0;i < EXPLOSIONVERTS;i++)
        {
                if (e->vertvel[i][0] || e->vertvel[i][1] || e->vertvel[i][2])
@@ -225,7 +231,7 @@ static void R_MoveExplosion(explosion_t *e)
                        VectorMA(e->vert[i], frametime, e->vertvel[i], end);
                        if (e->clipping)
                        {
-                               trace = CL_TraceBox(e->vert[i], vec3_origin, vec3_origin, end, true, NULL, SUPERCONTENTS_SOLID, false);
+                               trace = CL_Move(e->vert[i], vec3_origin, vec3_origin, end, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
                                if (trace.fraction < 1)
                                {
                                        // clip velocity against the wall
@@ -245,7 +251,7 @@ void R_MoveExplosions(void)
 {
        int i;
        for (i = 0;i < MAX_EXPLOSIONS;i++)
-               if (cl.time < explosion[i].endtime)
+               if (explosion[i].alpha)
                        R_MoveExplosion(&explosion[i]);
 }
 
@@ -256,7 +262,7 @@ void R_DrawExplosions(void)
        if (!r_drawexplosions.integer)
                return;
        for (i = 0;i < MAX_EXPLOSIONS;i++)
-               if (r_refdef.time < explosion[i].endtime)
+               if (explosion[i].alpha)
                        R_MeshQueue_AddTransparent(explosion[i].origin, R_DrawExplosion_TransparentCallback, NULL, i, NULL);
 }