+Unity Runtime codeHEADmaster

1 files changed, 32 insertions, 0 deletions

diff --git a/Runtime/Graphics/MatrixStack.h b/Runtime/Graphics/MatrixStack.h
new file mode 100644
index 0000000..fe11a18
--- /dev/null
+++ b/Runtime/Graphics/MatrixStack.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include "Runtime/Math/Matrix4x4.h"
+
+
+class MatrixStack
+{
+public:
+	enum { kStackDepth = 16 };
+
+public:
+	MatrixStack() { Reset(); }
+
+	void	Reset();
+
+	void	SetMatrix( const float matrix[16] );
+	void	SetCurrentIdentity();
+	void	MultMatrix( const float matrix[16] );
+	const Matrix4x4f& GetMatrix() const;
+
+	void	Push(const float* matrix);
+	void	Push();
+	void	Pop();
+
+	int		GetCurrentDepth() const { return m_Depth; }
+
+private:
+	Matrix4x4f& GetMatrix4x4f (int index);
+
+	Matrix4x4f	m_Matrices[kStackDepth];
+	int		m_Depth;
+};