+Unity Runtime codeHEADmaster

1 files changed, 136 insertions, 0 deletions

diff --git a/Runtime/Filters/AABBUtility.cpp b/Runtime/Filters/AABBUtility.cpp
new file mode 100644
index 0000000..cf7eccf
--- /dev/null
+++ b/Runtime/Filters/AABBUtility.cpp
@@ -0,0 +1,136 @@
+#include "UnityPrefix.h"
+#include "AABBUtility.h"
+#include "Renderer.h"
+#include "Runtime/Filters/Mesh/LodMeshFilter.h"
+#include "Runtime/Filters/Mesh/LodMesh.h"
+#include "Runtime/Filters/Mesh/SpriteRenderer.h"
+#include "Runtime/Graphics/Transform.h"
+#include "Runtime/Filters/Deformation/SkinnedMeshFilter.h"
+#include "Runtime/BaseClasses/GameObject.h"
+
+inline bool HasAABB (Renderer& renderer)
+{
+	return renderer.IsActive () && renderer.GetVisible ();
+}
+
+bool CalculateWorldAABB (GameObject& go, AABB* aabb)
+{
+	Renderer* renderer = go.QueryComponent (Renderer);
+	if (renderer && HasAABB (*renderer))
+	{
+		renderer->GetWorldAABB ( *aabb );
+		return true;
+	}
+	
+	MeshFilter *lmf = go.QueryComponent (MeshFilter);
+	if (lmf)
+	{
+		Mesh *lm = lmf->GetSharedMesh ();
+		if (lm)
+		{
+			*aabb = lm->GetBounds ();
+			Matrix4x4f matrix;
+			go.GetComponent (Transform).CalculateTransformMatrix (matrix);
+			TransformAABB (*aabb, matrix, *aabb);
+			return true;
+		}
+	}
+
+#if ENABLE_SPRITES
+	SpriteRenderer* sprite = go.QueryComponent (SpriteRenderer);
+	if (sprite)
+	{
+		Sprite* frame = sprite->GetSprite();
+		if (frame)
+		{
+			*aabb = frame->GetBounds();
+			Matrix4x4f matrix;
+			go.GetComponent (Transform).CalculateTransformMatrix (matrix);
+			TransformAABB (*aabb, matrix, *aabb);
+			return true;
+		}
+	}
+#endif
+
+	aabb->SetCenterAndExtent( Vector3f::zero, Vector3f::zero );
+	return false;	
+}
+
+bool CalculateLocalAABB (GameObject& go, AABB* aabb)
+{
+	Renderer* renderer = go.QueryComponent (Renderer);
+	if (renderer && HasAABB (*renderer))
+	{
+		const TransformInfo& info = renderer->GetTransformInfo();
+
+		Matrix4x4f transformWorldToLocal = renderer->GetComponent(Transform).GetWorldToLocalMatrix();
+		Matrix4x4f rendererLocalToTransformLocal;
+		MultiplyMatrices4x4(&transformWorldToLocal, &info.worldMatrix, &rendererLocalToTransformLocal);
+
+		TransformAABB(info.localAABB, rendererLocalToTransformLocal, *aabb);
+		
+		return true;
+	}
+	
+	MeshFilter *lmf = go.QueryComponent (MeshFilter);
+	if (lmf)
+	{
+		Mesh *lm = lmf->GetSharedMesh ();
+		if (lm)
+		{
+			*aabb = lm->GetBounds ();
+			return true;
+		}
+	}
+	
+	aabb->SetCenterAndExtent( Vector3f::zero, Vector3f::zero );
+	return false;	
+}
+
+bool CalculateAABBCornerVertices (GameObject& go, Vector3f* vertices)
+{
+	Renderer* renderer = go.QueryComponent (Renderer);
+	if (renderer && HasAABB (*renderer))
+	{
+		Transform const& transform = renderer->GetTransform();
+
+		AABB aabb;
+		if (dynamic_pptr_cast<SkinnedMeshRenderer*> (renderer))
+		{
+			renderer->GetWorldAABB( aabb );
+			aabb.GetVertices (vertices);
+		}
+		else
+		{
+			renderer->GetLocalAABB( aabb );
+
+			aabb.GetVertices (vertices);
+			TransformPoints3x4 (transform.GetLocalToWorldMatrix (), vertices, vertices, 8);
+		}	
+		
+		return true;
+	}
+	
+	Transform* transform = go.QueryComponent (Transform);
+	MeshFilter *lmf = go.QueryComponent (MeshFilter);
+	if (transform && lmf)
+	{
+		Mesh *lm = lmf->GetSharedMesh ();
+		if (lm)
+		{
+			lm->GetBounds ().GetVertices (vertices);
+			TransformPoints3x4 (transform->GetLocalToWorldMatrix (), vertices, vertices, 8);
+			
+			return true;
+		}
+	}
+	
+	return false;	
+}
+
+AABB CalculateWorldAABB (GameObject& go)
+{
+	AABB aabb;
+	CalculateWorldAABB (go, &aabb);
+	return aabb;
+}