#define MAXRECURSIVEPORTALPLANES 1024
#define MAXRECURSIVEPORTALS 256
-tinyplane_t portalplanes[MAXRECURSIVEPORTALPLANES];
-int portalplanestack[MAXRECURSIVEPORTALS];
-int portalplanecount;
-int ranoutofportalplanes;
-int ranoutofportals;
+static tinyplane_t portalplanes[MAXRECURSIVEPORTALPLANES];
+static int portalplanecount;
+static int ranoutofportalplanes;
+static int ranoutofportals;
+static float portaltemppoints[2][256][3];
+static float portaltemppoints2[256][3];
+static int portal_markid = 0;
+static float boxpoints[4*3];
-int R_ClipPolygonToPlane(float *in, float *out, int inpoints, int maxoutpoints, tinyplane_t *p)
+int Portal_ClipPolygonToPlane(float *in, float *out, int inpoints, int maxoutpoints, tinyplane_t *p)
{
int i, outpoints, prevside, side;
float *prevpoint, prevdist, dist, dot;
return outpoints;
}
-float portaltemppoints[2][256][3];
-float portaltemppoints2[256][3];
-
-/*
-void R_TriangleToPlane(vec3_t point1, vec3_t point2, vec3_t point3, tinyplane_t *p)
-{
- vec3_t v1, v2;
- VectorSubtract(point1, point2, v1);
- VectorSubtract(point3, point2, v2);
- CrossProduct(v1, v2, p->normal);
-// VectorNormalize(p->normal);
- VectorNormalizeFast(p->normal);
- p->dist = DotProduct(point1, p->normal);
-}
-*/
-int R_PortalThroughPortalPlanes(tinyplane_t *clipplanes, int clipnumplanes, float *targpoints, int targnumpoints, float *out, int maxpoints)
+int Portal_PortalThroughPortalPlanes(tinyplane_t *clipplanes, int clipnumplanes, float *targpoints, int targnumpoints, float *out, int maxpoints)
{
int numpoints, i;
if (targnumpoints < 3)
memcpy(&portaltemppoints[0][0][0], targpoints, numpoints * 3 * sizeof(float));
for (i = 0;i < clipnumplanes;i++)
{
- numpoints = R_ClipPolygonToPlane(&portaltemppoints[0][0][0], &portaltemppoints[1][0][0], numpoints, 256, clipplanes + i);
+ numpoints = Portal_ClipPolygonToPlane(&portaltemppoints[0][0][0], &portaltemppoints[1][0][0], numpoints, 256, clipplanes + i);
if (numpoints < 3)
return numpoints;
memcpy(&portaltemppoints[0][0][0], &portaltemppoints[1][0][0], numpoints * 3 * sizeof(float));
return numpoints;
}
-static int portal_markid = 0;
-
int Portal_RecursiveFlowSearch (mleaf_t *leaf, vec3_t eye, int firstclipplane, int numclipplanes)
{
mportal_t *p;
+ int newpoints, i, prev;
+ vec3_t center, v1, v2;
+ tinyplane_t *newplanes;
if (leaf->portalmarkid == portal_markid)
return true;
// follow portals into other leafs
for (p = leaf->portals;p;p = p->next)
{
- int newpoints, i, prev;
- vec3_t center;
- vec3_t v1, v2;
- tinyplane_t *newplanes;
// only flow through portals facing away from the viewer
if (PlaneDiff(eye, (&p->plane)) < 0)
{
- newpoints = R_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, (float *) p->points, p->numpoints, &portaltemppoints2[0][0], 256);
+ newpoints = Portal_PortalThroughPortalPlanes(&portalplanes[firstclipplane], numclipplanes, (float *) p->points, p->numpoints, &portaltemppoints2[0][0], 256);
if (newpoints < 3)
continue;
else if (firstclipplane + numclipplanes + newpoints > MAXRECURSIVEPORTALPLANES)
newplanes = &portalplanes[firstclipplane + numclipplanes];
for (prev = newpoints - 1, i = 0;i < newpoints;prev = i, i++)
{
-// R_TriangleToPlane(eye, portaltemppoints2[i], portaltemppoints2[prev], newplanes + i);
VectorSubtract(eye, portaltemppoints2[i], v1);
VectorSubtract(portaltemppoints2[prev], portaltemppoints2[i], v2);
CrossProduct(v1, v2, newplanes[i].normal);
return false;
}
-//float viewportalpoints[16*3];
-
void Portal_PolygonRecursiveMarkLeafs(mnode_t *node, float *polypoints, int numpoints)
{
int i, front;
portal_markid++;
+ Mod_CheckLoaded(model);
Portal_PolygonRecursiveMarkLeafs(model->nodes, polypoints, numpoints);
eyeleaf = Mod_PointInLeaf(eye, model);
// calculate the planes, and make sure the polygon can see it's own center
for (prev = numpoints - 1, i = 0;i < numpoints;prev = i, i++)
{
-// R_TriangleToPlane(eye, portaltemppoints2[i], portaltemppoints2[prev], newplanes + i);
VectorSubtract(eye, (&polypoints[i * 3]), v1);
VectorSubtract((&polypoints[prev * 3]), (&polypoints[i * 3]), v2);
CrossProduct(v1, v2, portalplanes[i].normal);
return returnvalue;
}
-float boxpoints[4*3];
-
#define Portal_MinsBoxPolygon(axis, axisvalue, x1, y1, z1, x2, y2, z2, x3, y3, z3, x4, y4, z4) \
{\
if (eye[(axis)] < ((axisvalue) - 0.5f))\
if (eye[0] >= (a[0] - 1.0f) && eye[0] < (b[0] + 1.0f)
&& eye[1] >= (a[1] - 1.0f) && eye[1] < (b[1] + 1.0f)
&& eye[2] >= (a[2] - 1.0f) && eye[2] < (b[2] + 1.0f))
- {
return true;
- }
Portal_MinsBoxPolygon
(
return false;
}
+