static int Portal_PortalThroughPortalPlanes(tinyplane_t *clipplanes, int clipnumplanes, float *targpoints, int targnumpoints, float *out, int maxpoints)
{
- int numpoints, i;
- if (targnumpoints < 3)
- return targnumpoints;
- if (maxpoints < 3)
- return -1;
- numpoints = targnumpoints;
- memcpy(&portaltemppoints[0][0][0], targpoints, numpoints * 3 * sizeof(float));
- for (i = 0;i < clipnumplanes;i++)
+ int numpoints = targnumpoints, i, w;
+ if (numpoints < 1)
+ return numpoints;
+ if (maxpoints > 256)
+ maxpoints = 256;
+ w = 0;
+ memcpy(&portaltemppoints[w][0][0], targpoints, numpoints * 3 * sizeof(float));
+ for (i = 0;i < clipnumplanes && numpoints > 0;i++)
{
- PolygonF_Divide(numpoints, &portaltemppoints[0][0][0], clipplanes[i].normal[0], clipplanes[i].normal[1], clipplanes[i].normal[2], clipplanes[i].dist, 1.0f/32.0f, 256, &portaltemppoints[1][0][0], &numpoints, 0, NULL, NULL);
- if (numpoints < 3)
- return numpoints;
- memcpy(&portaltemppoints[0][0][0], &portaltemppoints[1][0][0], numpoints * 3 * sizeof(float));
+ PolygonF_Divide(numpoints, &portaltemppoints[w][0][0], clipplanes[i].normal[0], clipplanes[i].normal[1], clipplanes[i].normal[2], clipplanes[i].dist, 1.0f/32.0f, 256, &portaltemppoints[1-w][0][0], &numpoints, 0, NULL, NULL, NULL);
+ w = 1-w;
+ numpoints = min(numpoints, 256);
}
- if (numpoints > maxpoints)
- return -1;
- memcpy(out, &portaltemppoints[0][0][0], numpoints * 3 * sizeof(float));
+ numpoints = min(numpoints, maxpoints);
+ if (numpoints > 0)
+ memcpy(out, &portaltemppoints[w][0][0], numpoints * 3 * sizeof(float));
return numpoints;
}
const int *elements;
const float *vertex3f;
float v[9], trimins[3], trimaxs[3];
- vertex3f = surface->groupmesh->data_vertex3f;
- elements = (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle);
+ vertex3f = info->model->surfmesh.data_vertex3f;
+ elements = (info->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);
for (j = 0;j < surface->num_triangles;j++, elements += 3)
{
VectorCopy(vertex3f + elements[0] * 3, v + 0);
trimaxs[1] = max(v[1], max(v[4], v[7]));
trimins[2] = min(v[2], min(v[5], v[8]));
trimaxs[2] = max(v[2], max(v[5], v[8]));
- if (BoxesOverlap(trimins, trimaxs, info->boxmins, info->boxmaxs) && Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, v, 3, &portaltemppoints2[0][0], 256) >= 3)
+ if (BoxesOverlap(trimins, trimaxs, info->boxmins, info->boxmaxs) && Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, v, 3, &portaltemppoints2[0][0], 256) > 0)
{
SETPVSBIT(info->surfacepvs, surfaceindex);
info->surfacelist[info->numsurfaces++] = surfaceindex;