Just to be safe, as casting +inf to integer gives 0xFFFFFFFF on x86 and 0x7FFFFFFF on arm

This commit is contained in:
ptitSeb 2016-04-06 13:52:10 +02:00
parent c4ac41ed56
commit 4757cbbd2b

View File

@ -308,16 +308,30 @@ Rect ExtractPolygonsInBox(CTerrain *ptrTerrain, const FLOATaabbox3D &bboxExtract
Rect rc;
if(!bFixSize) {
// max vector of bbox in incremented for one, because first vertex is at 0,0,0 in world and in heightmap is at 1,1
#ifdef __arm__
rc.rc_iLeft = (isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(1)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)ceil(bbox.maxvect(3)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#else
rc.rc_iLeft = Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = Clamp((INDEX)ceil(bbox.maxvect(1)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = Clamp((INDEX)ceil(bbox.maxvect(3)+1),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#endif
} else {
// max vector of bbox in incremented for one, because first vertex is at 0,0,0 in world and in heightmap is at 1,1
#ifdef __arm__
rc.rc_iLeft = (isinf(bbox.minvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = (isinf(bbox.minvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = (isinf(bbox.maxvect(1)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(1)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = (isinf(bbox.maxvect(3)))?(INDEX)0:Clamp((INDEX)(bbox.maxvect(3)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#endif
rc.rc_iLeft = Clamp((INDEX)(bbox.minvect(1)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iTop = Clamp((INDEX)(bbox.minvect(3)-0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
rc.rc_iRight = Clamp((INDEX)(bbox.maxvect(1)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapWidth);
rc.rc_iBottom = Clamp((INDEX)(bbox.maxvect(3)+0),(INDEX)0,ptrTerrain->tr_pixHeightMapHeight);
#endif
}
INDEX iStartX = rc.rc_iLeft;