void Forest::_renderCellBounds( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat )
{
PROFILE_SCOPE( Forest_RenderCellBounds );
if ( overrideMat )
return;
GFXTransformSaver saver;
MatrixF projBias(true);
const Frustum frustum = GFX->getFrustum();
MathUtils::getZBiasProjectionMatrix( 0.001f, frustum, &projBias );
GFX->setProjectionMatrix( projBias );
VectorF extents;
Point3F pos;
// Get top level cells
Vector<ForestCell*> cellStack;
mData->getCells( &cellStack );
// Holds child cells we need to render as we encounter them.
Vector<ForestCell*> frontier;
GFXDrawUtil *drawer = GFX->getDrawUtil();
GFXStateBlockDesc desc;
desc.setZReadWrite( true, false );
desc.setBlend( true );
desc.setFillModeWireframe();
while ( !cellStack.empty() )
{
while ( !cellStack.empty() )
{
const ForestCell *cell = cellStack.last();
cellStack.pop_back();
Box3F box = cell->getBounds();
drawer->drawCube( desc, box, ColorI( 0, 255, 0 ) );
RectF rect = cell->getRect();
box.minExtents.set( rect.point.x, rect.point.y, box.minExtents.z );
box.maxExtents.set( rect.point.x + rect.extent.x, rect.point.y + rect.extent.y, box.minExtents.z );
drawer->drawCube( desc, box, ColorI::RED );
// If this cell has children, add them to the frontier.
if ( !cell->isLeaf() )
cell->getChildren( &frontier );
}
// Now the frontier becomes the cellStack and we empty the frontier.
cellStack = frontier;
frontier.clear();
}
}
void ConvexShape::renderFaceEdges( S32 faceid, const ColorI &color /*= ColorI::WHITE*/, F32 lineWidth /*= 1.0f */ )
{
const Vector< ConvexShape::Face > &faceList = mGeometry.faces;
if ( faceid >= faceList.size() )
return;
GFXTransformSaver saver;
MatrixF xfm( mObjToWorld );
xfm.scale( mObjScale );
GFX->multWorld( xfm );
GFXStateBlockDesc desc;
desc.setBlend( true );
GFX->setStateBlockByDesc( desc );
MatrixF projBias(true);
const Frustum& frustum = GFX->getFrustum();
MathUtils::getZBiasProjectionMatrix( 0.001f, frustum, &projBias );
GFX->setProjectionMatrix( projBias );
S32 s = faceid;
S32 e = faceid + 1;
if ( faceid == -1 )
{
s = 0;
e = faceList.size();
}
for ( S32 i = s; i < e; i++ )
{
const ConvexShape::Face &face = faceList[i];
const Vector< ConvexShape::Edge > &edgeList = face.edges;
const Vector< U32 > &facePntList = face.points;
const Vector< Point3F > &pointList = mGeometry.points;
PrimBuild::begin( GFXLineList, edgeList.size() * 2 );
PrimBuild::color( color );
for ( S32 j = 0; j < edgeList.size(); j++ )
{
PrimBuild::vertex3fv( pointList[ facePntList[ edgeList[j].p0 ] ] );
PrimBuild::vertex3fv( pointList[ facePntList[ edgeList[j].p1 ] ] );
}
PrimBuild::end();
}
}
