/*
=================
R_AddMarkFragments
=================
*/
void R_AddMarkFragments(int numClipPoints, vec3_t clipPoints[2][MAX_VERTS_ON_POLY],
int numPlanes, vec3_t * normals, float *dists,
int maxPoints, vec3_t pointBuffer,
int maxFragments, markFragment_t * fragmentBuffer,
int *returnedPoints, int *returnedFragments, vec3_t mins, vec3_t maxs)
{
int pingPong, i;
markFragment_t *mf;
// chop the surface by all the bounding planes of the to be projected polygon
pingPong = 0;
for(i = 0; i < numPlanes; i++)
{
R_ChopPolyBehindPlane(numClipPoints, clipPoints[pingPong],
&numClipPoints, clipPoints[!pingPong], normals[i], dists[i], 0.5);
pingPong ^= 1;
if(numClipPoints == 0)
{
break;
}
}
// completely clipped away?
if(numClipPoints == 0)
{
return;
}
// add this fragment to the returned list
if(numClipPoints + (*returnedPoints) > maxPoints)
{
return; // not enough space for this polygon
}
/*
// all the clip points should be within the bounding box
for ( i = 0 ; i < numClipPoints ; i++ ) {
int j;
for ( j = 0 ; j < 3 ; j++ ) {
if (clipPoints[pingPong][i][j] < mins[j] - 0.5) break;
if (clipPoints[pingPong][i][j] > maxs[j] + 0.5) break;
}
if (j < 3) break;
}
if (i < numClipPoints) return;
*/
mf = fragmentBuffer + (*returnedFragments);
mf->firstPoint = (*returnedPoints);
mf->numPoints = numClipPoints;
#if defined(SSEVEC3_T)
Com_Memcpy(pointBuffer + (*returnedPoints) * 4, clipPoints[pingPong], numClipPoints * sizeof(vec3_t));
#else
Com_Memcpy(pointBuffer + (*returnedPoints) * 3, clipPoints[pingPong], numClipPoints * sizeof(vec3_t));
#endif
(*returnedPoints) += numClipPoints;
(*returnedFragments)++;
}
/*
=================
R_AddMarkFragments
=================
*/
void R_AddMarkFragments(int numClipPoints, vec3_t clipPoints[2][MAX_VERTS_ON_POLY],
int numPlanes, vec3_t *normals, float *dists,
int maxPoints, vec3_t pointBuffer,
int maxFragments, markFragment_t *fragmentBuffer,
int *returnedPoints, int *returnedFragments,
vec3_t mins, vec3_t maxs)
{
int pingPong, i;
markFragment_t *mf;
// chop the surface by all the bounding planes of the to be projected polygon
pingPong = 0;
for (i = 0 ; i < numPlanes ; i++)
{
R_ChopPolyBehindPlane(numClipPoints, clipPoints[pingPong],
&numClipPoints, clipPoints[!pingPong],
normals[i], dists[i], 0.5);
pingPong ^= 1;
if (numClipPoints == 0)
{
break;
}
}
// completely clipped away?
if (numClipPoints == 0)
{
return;
}
// add this fragment to the returned list
if (numClipPoints + (*returnedPoints) > maxPoints)
{
return; // not enough space for this polygon
}
mf = fragmentBuffer + (*returnedFragments);
mf->firstPoint = (*returnedPoints);
mf->numPoints = numClipPoints;
//memcpy( pointBuffer + (*returnedPoints) * 3, clipPoints[pingPong], numClipPoints * sizeof(vec3_t) );
for (i = 0; i < numClipPoints; i++)
{
VectorCopy(clipPoints[pingPong][i], (float *)pointBuffer + 5 * (*returnedPoints + i));
}
(*returnedPoints) += numClipPoints;
(*returnedFragments)++;
}