ilikecats/stk-code_catmod
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Do fast culling inside precise culling

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This commit is contained in:
Vincent Lejeune 2014-10-28 01:40:02 +01:00
parent 39b8f79f9f
commit 891330a8f3
1 changed files with 9 additions and 15 deletions
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24
src/graphics/stkscenemanager.cpp
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@ -173,30 +173,24 @@ bool isCulledPrecise(const scene::ICameraSceneNode *cam, const scene::ISceneNode
return false; return false;
const core::matrix4 &trans = node->getAbsoluteTransformation(); const core::matrix4 &trans = node->getAbsoluteTransformation();
const scene::SViewFrustum &frust = *cam->getViewFrustum();
core::aabbox3d<f32> tbox = node->getBoundingBox();
trans.transformBoxEx(tbox);
if (!(tbox.intersectsWithBox(frust.getBoundingBox())))
return true;
core::vector3df edges[8]; core::vector3df edges[8];
node->getBoundingBox().getEdges(edges); node->getBoundingBox().getEdges(edges);
for (unsigned i = 0; i < 8; i++) for (unsigned i = 0; i < 8; i++)
trans.transformVect(edges[i]); trans.transformVect(edges[i]);
scene::SViewFrustum frust = *cam->getViewFrustum();
for (s32 i = 0; i < scene::SViewFrustum::VF_PLANE_COUNT; ++i) for (s32 i = 0; i < scene::SViewFrustum::VF_PLANE_COUNT; ++i)
if (isBoxInFrontOfPlane(frust.planes[i], edges)) if (isBoxInFrontOfPlane(frust.planes[i], edges))
return true; return true;
return false; return false;
} }
static
bool isCulledFast(const scene::ICameraSceneNode *cam, const scene::ISceneNode *node)
{
if (!node->getAutomaticCulling())
return false;
core::aabbox3d<f32> tbox = node->getBoundingBox();
node->getAbsoluteTransformation().transformBoxEx(tbox);
return !(tbox.intersectsWithBox(cam->getViewFrustum()->getBoundingBox()));
}
static void static void
handleSTKCommon(scene::ISceneNode *Node, std::vector<scene::ISceneNode *> *ImmediateDraw, handleSTKCommon(scene::ISceneNode *Node, std::vector<scene::ISceneNode *> *ImmediateDraw,
const scene::ICameraSceneNode *cam, scene::ICameraSceneNode *shadowcam[4], const scene::ICameraSceneNode *rsmcam) const scene::ICameraSceneNode *cam, scene::ICameraSceneNode *shadowcam[4], const scene::ICameraSceneNode *rsmcam)
@ -283,7 +277,7 @@ handleSTKCommon(scene::ISceneNode *Node, std::vector<scene::ISceneNode *> *Immed
} }
else else
{ {
if (isCulledFast(cam, Node)) if (isCulledPrecise(cam, Node))
continue; continue;
core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix; core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix;
ModelMatrix.getInverse(InvModelMatrix); ModelMatrix.getInverse(InvModelMatrix);
@ -328,7 +322,7 @@ handleSTKCommon(scene::ISceneNode *Node, std::vector<scene::ISceneNode *> *Immed
{ {
if (!irr_driver->hasARB_draw_indirect()) if (!irr_driver->hasARB_draw_indirect())
{ {
if (isCulledFast(shadowcam[cascade], Node)) if (isCulledPrecise(shadowcam[cascade], Node))
continue; continue;
core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix; core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix;
ModelMatrix.getInverse(InvModelMatrix); ModelMatrix.getInverse(InvModelMatrix);
@ -381,7 +375,7 @@ handleSTKCommon(scene::ISceneNode *Node, std::vector<scene::ISceneNode *> *Immed
} }
else else
{ {
if (isCulledFast(rsmcam, Node)) if (isCulledPrecise(rsmcam, Node))
continue; continue;
core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix; core::matrix4 ModelMatrix = Node->getAbsoluteTransformation(), InvModelMatrix;
ModelMatrix.getInverse(InvModelMatrix); ModelMatrix.getInverse(InvModelMatrix);