void R_DrawExplosionCallback(const void *calldata1, int calldata2)
{
- int i;
+ int i, numtriangles, numverts;
float *c, *v, diff[3], centerdir[3], ifog, alpha, dist;
- rmeshbufferinfo_t m;
+ rmeshstate_t m;
const explosion_t *e;
e = calldata1;
memset(&m, 0, sizeof(m));
m.blendfunc1 = GL_SRC_ALPHA;
m.blendfunc2 = GL_ONE;
- m.numtriangles = EXPLOSIONTRIS;
- m.numverts = EXPLOSIONVERTS;
+ m.wantoverbright = false;
m.tex[0] = R_GetTexture(explosiontexture);
Matrix4x4_CreateIdentity(&m.matrix);
- if (R_Mesh_Draw_GetBuffer(&m, false))
+ R_Mesh_State(&m);
+
+ numtriangles = EXPLOSIONTRIS;
+ numverts = EXPLOSIONVERTS;
+ R_Mesh_ResizeCheck(numverts, numtriangles);
+
+ memcpy(varray_element, explosiontris, numtriangles * sizeof(int[3]));
+ for (i = 0, v = varray_vertex;i < numverts;i++, v += 4)
{
- memcpy(m.index, explosiontris, m.numtriangles * sizeof(int[3]));
- for (i = 0, v = m.vertex;i < m.numverts;i++, v += 4)
- {
- v[0] = e->vert[i][0];
- v[1] = e->vert[i][1];
- v[2] = e->vert[i][2];
- }
- memcpy(m.texcoords[0], explosiontexcoords, m.numverts * sizeof(float[2]));
- alpha = e->alpha;
- VectorSubtract(r_origin, e->origin, centerdir);
- VectorNormalizeFast(centerdir);
- if (fogenabled)
- {
- for (i = 0, c = m.color;i < EXPLOSIONVERTS;i++, c += 4)
- {
- VectorSubtract(e->vert[i], e->origin, diff);
- VectorNormalizeFast(diff);
- dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha;
- if (dist > 0)
- {
- // use inverse fog alpha
- VectorSubtract(e->vert[i], r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff,diff));
- dist = dist * ifog;
- if (dist < 0)
- dist = 0;
- else
- dist *= m.colorscale;
- }
- else
- dist = 0;
- c[0] = c[1] = c[2] = dist;
- c[3] = 1;
- }
- }
- else
+ v[0] = e->vert[i][0];
+ v[1] = e->vert[i][1];
+ v[2] = e->vert[i][2];
+ }
+ memcpy(varray_texcoord[0], explosiontexcoords, numverts * sizeof(float[2]));
+ alpha = e->alpha;
+ VectorSubtract(r_origin, e->origin, centerdir);
+ VectorNormalizeFast(centerdir);
+ if (fogenabled)
+ {
+ for (i = 0, c = varray_color;i < EXPLOSIONVERTS;i++, c += 4)
{
- for (i = 0, c = m.color;i < EXPLOSIONVERTS;i++, c += 4)
+ VectorSubtract(e->vert[i], e->origin, diff);
+ VectorNormalizeFast(diff);
+ dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha;
+ if (dist > 0)
{
- VectorSubtract(e->vert[i], e->origin, diff);
- VectorNormalizeFast(diff);
- dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha;
+ // use inverse fog alpha
+ VectorSubtract(e->vert[i], r_origin, diff);
+ ifog = 1 - exp(fogdensity/DotProduct(diff,diff));
+ dist = dist * ifog;
if (dist < 0)
dist = 0;
else
- dist *= m.colorscale;
- c[0] = c[1] = c[2] = dist;
- c[3] = 1;
+ dist *= mesh_colorscale;
}
+ else
+ dist = 0;
+ c[0] = c[1] = c[2] = dist;
+ c[3] = 1;
+ }
+ }
+ else
+ {
+ for (i = 0, c = varray_color;i < EXPLOSIONVERTS;i++, c += 4)
+ {
+ VectorSubtract(e->vert[i], e->origin, diff);
+ VectorNormalizeFast(diff);
+ dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha;
+ if (dist < 0)
+ dist = 0;
+ else
+ dist *= mesh_colorscale;
+ c[0] = c[1] = c[2] = dist;
+ c[3] = 1;
}
- R_Mesh_Render();
}
+ R_Mesh_Draw(numverts, numtriangles);
}
void R_MoveExplosion(explosion_t *e)