optimized surface rendering to surface->groupmesh->data_* array pointers directly...

[xonotic/darkplaces.git] / pr_cmds.c

diff --git a/pr_cmds.c b/pr_cmds.c
index 316bc2ee50ad8cdd9cbabc3426bd77fff26ab5a3..dd9ca8ef6451dbba5e090eb7907bf46b6592eadb 100644 (file)
--- a/pr_cmds.c
+++ b/pr_cmds.c
@@ -2605,15 +2605,16 @@ static void clippointtosurface(msurface_t *surface, vec3_t p, vec3_t out)
 {
        int i, j, k;
        float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
 {
        int i, j, k;
        float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;

+       const int *e;

        bestdist = 1000000000;
        VectorCopy(p, out);
        bestdist = 1000000000;
        VectorCopy(p, out);

-       for (i = 0;i < surface->num_triangles;i++)
+       for (i = 0, e = (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)

        {
                // clip original point to each triangle of the surface and find the
                // triangle that is closest
        {
                // clip original point to each triangle of the surface and find the
                // triangle that is closest

-               v[0] = (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 0] * 3;
-               v[1] = (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 1] * 3;
-               v[2] = (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle)[i * 3 + 2] * 3;
+               v[0] = surface->groupmesh->data_vertex3f + e[0] * 3;
+               v[1] = surface->groupmesh->data_vertex3f + e[1] * 3;
+               v[2] = surface->groupmesh->data_vertex3f + e[2] * 3;

                TriangleNormal(v[0], v[1], v[2], facenormal);
                VectorNormalize(facenormal);
                offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
                TriangleNormal(v[0], v[1], v[2], facenormal);
                VectorNormalize(facenormal);
                offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);