float *p;
loc0:
- if (node->contents < 0)
+ if (!node->plane)
{
((mleaf_t *)node)->portalmarkid = portal_markid;
return;
vec3_t center, v1, v2;
// if there is no model, it can not block visibility
- if (model == NULL)
+ if (model == NULL || !model->brushq1.PointInLeaf)
return true;
portal_markid++;
Mod_CheckLoaded(model);
- Portal_PolygonRecursiveMarkLeafs(model->nodes, polypoints, numpoints);
+ Portal_PolygonRecursiveMarkLeafs(model->brush.data_nodes, polypoints, numpoints);
- eyeleaf = Mod_PointInLeaf(eye, model);
+ eyeleaf = model->brushq1.PointInLeaf(model, eye);
// find the center by averaging
VectorClear(center);
{
int exact;
int numfrustumplanes;
- float nradius;
+ vec3_t boxmins;
+ vec3_t boxmaxs;
qbyte *surfacemark;
qbyte *leafmark;
model_t *model;
vec3_t eye;
+ float *updateleafsmins;
+ float *updateleafsmaxs;
}
portalrecursioninfo_t;
-void Portal_RecursiveFlow_ExactMarkSurfaces(portalrecursioninfo_t *info, int *mark, int nummarksurfaces, int firstclipplane, int numclipplanes)
+void Portal_RecursiveFlow_ExactLeafFaces(portalrecursioninfo_t *info, int *mark, int numleafsurfaces, int firstclipplane, int numclipplanes)
{
int i, j, *elements;
- msurface_t *surf;
- surfmesh_t *surfmesh;
- for (i = 0;i < nummarksurfaces;i++, mark++)
+ vec3_t trimins, trimaxs;
+ msurface_t *surface;
+ for (i = 0;i < numleafsurfaces;i++, mark++)
{
if (!info->surfacemark[*mark])
{
- surf = info->model->surfaces + *mark;
- if (surf->poly_numverts)
+ // FIXME? this assumes q1bsp polygon surfaces
+ surface = info->model->brush.data_surfaces + *mark;
+ for (j = 0, elements = (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle);j < surface->num_triangles;j++, elements += 3)
{
- if (surf->flags & SURF_PLANEBACK)
- {
- if (DotProduct(info->eye, surf->plane->normal) > surf->plane->dist)
- continue;
- }
- else
+ VectorCopy((surface->groupmesh->data_vertex3f + elements[0] * 3), trianglepoints[0]);
+ VectorCopy((surface->groupmesh->data_vertex3f + elements[1] * 3), trianglepoints[1]);
+ VectorCopy((surface->groupmesh->data_vertex3f + elements[2] * 3), trianglepoints[2]);
+ if (PointInfrontOfTriangle(info->eye, trianglepoints[0], trianglepoints[1], trianglepoints[2]))
{
- if (DotProduct(info->eye, surf->plane->normal) < surf->plane->dist)
- continue;
- }
- if (Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, surf->poly_verts, surf->poly_numverts, &portaltemppoints2[0][0], 256) < 3)
- continue;
- }
- else
- {
- for (surfmesh = surf->mesh;surfmesh;surfmesh = surfmesh->chain)
- {
- for (j = 0, elements = surfmesh->index;j < surfmesh->numtriangles;j++, elements += 3)
- {
- VectorCopy((surfmesh->verts + elements[0] * 4), trianglepoints[0]);
- VectorCopy((surfmesh->verts + elements[1] * 4), trianglepoints[1]);
- VectorCopy((surfmesh->verts + elements[2] * 4), trianglepoints[2]);
- if ((info->eye[0] - trianglepoints[0][0]) * ((trianglepoints[0][1] - trianglepoints[1][1]) * (trianglepoints[2][2] - trianglepoints[1][2]) - (trianglepoints[0][2] - trianglepoints[1][2]) * (trianglepoints[2][1] - trianglepoints[1][1]))
- + (info->eye[1] - trianglepoints[0][1]) * ((trianglepoints[0][2] - trianglepoints[1][2]) * (trianglepoints[2][0] - trianglepoints[1][0]) - (trianglepoints[0][0] - trianglepoints[1][0]) * (trianglepoints[2][2] - trianglepoints[1][2]))
- + (info->eye[2] - trianglepoints[0][2]) * ((trianglepoints[0][0] - trianglepoints[1][0]) * (trianglepoints[2][1] - trianglepoints[1][1]) - (trianglepoints[0][1] - trianglepoints[1][1]) * (trianglepoints[2][0] - trianglepoints[1][0])) > 0
- && Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, trianglepoints[0], 3, &portaltemppoints2[0][0], 256) >= 3)
+ trimins[0] = min(trianglepoints[0][0], min(trianglepoints[1][0], trianglepoints[2][0]));
+ trimaxs[0] = max(trianglepoints[0][0], max(trianglepoints[1][0], trianglepoints[2][0]));
+ trimins[1] = min(trianglepoints[0][1], min(trianglepoints[1][1], trianglepoints[2][1]));
+ trimaxs[1] = max(trianglepoints[0][1], max(trianglepoints[1][1], trianglepoints[2][1]));
+ trimins[2] = min(trianglepoints[0][2], min(trianglepoints[1][2], trianglepoints[2][2]));
+ trimaxs[2] = max(trianglepoints[0][2], max(trianglepoints[1][2], trianglepoints[2][2]));
+ if (BoxesOverlap(trimins, trimaxs, info->boxmins, info->boxmaxs))
+ if (Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, trianglepoints[0], 3, &portaltemppoints2[0][0], 256) >= 3)
break;
- }
- if (j < surfmesh->numtriangles)
- break;
}
- if (surfmesh == NULL)
- continue;
}
+ if (j == surface->num_triangles)
+ continue;
info->surfacemark[*mark] = true;
}
}
vec3_t center, v1, v2;
tinyplane_t *newplanes;
+ for (i = 0;i < 3;i++)
+ {
+ if (info->updateleafsmins && info->updateleafsmins[i] > leaf->mins[i]) info->updateleafsmins[i] = leaf->mins[i];
+ if (info->updateleafsmaxs && info->updateleafsmaxs[i] < leaf->maxs[i]) info->updateleafsmaxs[i] = leaf->maxs[i];
+ }
+
if (info->leafmark)
- info->leafmark[leaf - info->model->leafs] = true;
+ info->leafmark[leaf - info->model->brush.data_leafs] = true;
// mark surfaces in leaf that can be seen through portal
- if (leaf->nummarksurfaces && info->surfacemark)
+ if (leaf->numleafsurfaces && info->surfacemark)
{
if (info->exact)
- Portal_RecursiveFlow_ExactMarkSurfaces(info, leaf->firstmarksurface, leaf->nummarksurfaces, firstclipplane, numclipplanes);
+ Portal_RecursiveFlow_ExactLeafFaces(info, leaf->firstleafsurface, leaf->numleafsurfaces, firstclipplane, numclipplanes);
else
- for (i = 0;i < leaf->nummarksurfaces;i++)
- info->surfacemark[leaf->firstmarksurface[i]] = true;
+ for (i = 0;i < leaf->numleafsurfaces;i++)
+ info->surfacemark[leaf->firstleafsurface[i]] = true;
}
// follow portals into other leafs
for (p = leaf->portals;p;p = p->next)
{
- // only flow through portals facing away from the viewer
+ // only flow through portals facing the viewer
dist = PlaneDiff(info->eye, (&p->plane));
- if (dist < 0 && dist >= info->nradius)
+ if (dist < 0 && BoxesOverlap(p->past->mins, p->past->maxs, info->boxmins, info->boxmaxs))
{
newpoints = Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, (float *) p->points, p->numpoints, &portaltemppoints2[0][0], 256);
if (newpoints < 3)
newplanes = &portalplanes[firstclipplane + numclipplanes];
for (prev = newpoints - 1, i = 0;i < newpoints;prev = i, i++)
{
- VectorSubtract(info->eye, portaltemppoints2[i], v1);
- VectorSubtract(portaltemppoints2[prev], portaltemppoints2[i], v2);
+ VectorSubtract(portaltemppoints2[prev], portaltemppoints2[i], v1);
+ VectorSubtract(info->eye, portaltemppoints2[i], v2);
CrossProduct(v1, v2, newplanes[i].normal);
VectorNormalizeFast(newplanes[i].normal);
newplanes[i].dist = DotProduct(info->eye, newplanes[i].normal);
void Portal_RecursiveFindLeafForFlow(portalrecursioninfo_t *info, mnode_t *node)
{
- if (node->contents)
- {
- if (node->contents != CONTENTS_SKY && node->contents != CONTENTS_SOLID)
- Portal_RecursiveFlow(info, (mleaf_t *)node, 0, info->numfrustumplanes);
- }
- else
+ if (node->plane)
{
float f = DotProduct(info->eye, node->plane->normal) - node->plane->dist;
if (f > -0.1)
if (f < 0.1)
Portal_RecursiveFindLeafForFlow(info, node->children[1]);
}
+ else
+ {
+ mleaf_t *leaf = (mleaf_t *)node;
+ if (leaf->portals)
+ Portal_RecursiveFlow(info, leaf, 0, info->numfrustumplanes);
+ }
}
-void Portal_Visibility(model_t *model, const vec3_t eye, qbyte *leafmark, qbyte *surfacemark, const mplane_t *frustumplanes, int numfrustumplanes, int exact, float radius)
+void Portal_Visibility(model_t *model, const vec3_t eye, qbyte *leafmark, qbyte *surfacemark, const mplane_t *frustumplanes, int numfrustumplanes, int exact, const float *boxmins, const float *boxmaxs, float *updateleafsmins, float *updateleafsmaxs)
{
int i;
portalrecursioninfo_t info;
// if there is no model, it can not block visibility
if (model == NULL)
- Host_Error("Portal_Visibility: NULL model\n");
+ {
+ Con_Print("Portal_Visibility: NULL model\n");
+ return;
+ }
Mod_CheckLoaded(model);
- if (model->type != mod_brush)
- Host_Error("Portal_Visibility: not a brush model\n");
+ if (!model->brush.num_portals)
+ {
+ Con_Print("Portal_Visibility: not a brush model\n");
+ return;
+ }
// put frustum planes (if any) into tinyplane format at start of buffer
for (i = 0;i < numfrustumplanes;i++)
ranoutofportalplanes = false;
ranoutofportals = false;
- info.nradius = -radius;
+ VectorCopy(boxmins, info.boxmins);
+ VectorCopy(boxmaxs, info.boxmaxs);
info.exact = exact;
info.surfacemark = surfacemark;
info.leafmark = leafmark;
info.model = model;
VectorCopy(eye, info.eye);
info.numfrustumplanes = numfrustumplanes;
+ info.updateleafsmins = updateleafsmins;
+ info.updateleafsmaxs = updateleafsmaxs;
- Portal_RecursiveFindLeafForFlow(&info, model->nodes);
+ Portal_RecursiveFindLeafForFlow(&info, model->brush.data_nodes);
if (ranoutofportalplanes)
Con_Printf("Portal_RecursiveFlow: ran out of %d plane stack when recursing through portals\n", MAXRECURSIVEPORTALPLANES);
projects / xonotic / darkplaces.git / blobdiff