GEEKING

Rendering/GfxRender/CullableSceneNode.cpp

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+#include "stdafx.h"
+#include "CullableSceneNode.h"
+
+#include "SceneManager.h"
+#include "Util.h"
+#include "SpatialHashedScene.h"
+
+#include "VisualEngine.h"
+#include "GfxBase/FrameRateManager.h"
+
+namespace RBX
+{
+namespace Graphics
+{
+
+CullableSceneNode::CullableSceneNode(VisualEngine* visualEngine, CullMode cullMode, unsigned int flags)
+    : visualEngine(visualEngine)
+    , cullMode(cullMode)
+    , flags(flags)
+    , blockCount(1)
+    , sqDistanceToFocus(0)
+{
+}
+
+CullableSceneNode::~CullableSceneNode()
+{
+	visualEngine->getSceneManager()->getSpatialHashedScene()->internalRemoveChild(this);
+}
+
+bool CullableSceneNode::updateIsCulledByFRM()
+{
+	if (worldBounds.isNull())
+        return true;
+
+    const Vector3& focusPosition = visualEngine->getSceneManager()->getPointOfInterest();
+
+    sqDistanceToFocus = G3D::ClosestSqDistanceToAABB(focusPosition, worldBounds.center(), worldBounds.size() * 0.5f);
+
+    // count blocks and update farplane regardless of cullability.
+    if (sqDistanceToFocus > 1e-3f)
+        visualEngine->getSceneManager()->processSqPartDistance(sqDistanceToFocus);
+
+    RBX::FrameRateManager* frm = visualEngine->getFrameRateManager();
+
+	frm->AddBlockQuota(blockCount, sqDistanceToFocus, IsInSpatialHash());
+
+	// We don't do distance-cull on huge objects
+	if (cullMode == CullMode_SpatialHash && !IsInSpatialHash())
+		return false;
+	else
+		return sqDistanceToFocus > frm->GetRenderCullSqDistance();
+}
+
+void CullableSceneNode::updateRenderQueue(RenderQueue& queue, const RenderCamera& camera, RenderQueue::Pass pass)
+{
+}
+
+void CullableSceneNode::updateWorldBounds(const Extents& aabb)
+{
+    worldBounds = aabb;
+
+    if (aabb.isNull())
+		visualEngine->getSceneManager()->getSpatialHashedScene()->internalRemoveChild(this);
+	else
+        visualEngine->getSceneManager()->getSpatialHashedScene()->internalUpdateChild(this);
+}
+
+}
+}