+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef RSP_MATRIX_MANAGER_H_
+#define RSP_MATRIX_MANAGER_H_
+
+#include "Matrix4.h"
+
+//Forward Declarations
+class Memory;
+
+//*****************************************************************************
+//! RSP Matrix Manager
+//*****************************************************************************
+class RSPMatrixManager
+{
+public:
+
+ //Constructor / Destructor
+ RSPMatrixManager();
+ ~RSPMatrixManager();
+
+ bool initialize(Memory* memory);
+
+ //Add Matrices
+ void addMatrix(unsigned int segmentAddress, bool projectionMatrix, bool push, bool replace);
+ void insertMatrix(unsigned int where, unsigned int num);
+
+ //Remove Matrices
+ void popMatrix();
+ void popMatrixN(unsigned int num);
+ void ForceMatrix( unsigned int segmentAddress );
+ void selectViewMatrix(unsigned int index) { m_modelViewMatrixTop = index; _updateCombinedMatrix(); }
+ void DMAMatrix(unsigned int segmentAddress, unsigned char index, unsigned char multiply );
+ //void RSP_ForceMatrix( unsigned int mptr );
+ //void RSP_LookAt( unsigned int l );
+ //void RSP_PerspNormalize( unsigned short scale );
+
+ void setRDRAMOffset(unsigned int offset) { m_rdramOffset = offset; }
+
+ void resetMatrices();
+
+public:
+
+ float* getModelViewMatrix() { return m_modelViewMatrices[m_modelViewMatrixTop]._m; }
+ float* getProjectionMatrix() { return m_projectionMatrices[m_projectionMatrixTop]._m; }
+ float* getViewProjectionMatrix() { return m_worldProject._m; }
+
+private:
+
+ void _loadMatrix(unsigned int addr, Matrix4& out);
+ void _setProjection(const Matrix4& mat, bool push, bool replace);
+ void _setWorldView(const Matrix4 & mat, bool push, bool replace);
+ void _updateCombinedMatrix();
+
+private:
+
+ Memory* m_memory; //!< Pointer to memory
+
+ static const int NUM_STACK_MATRICES = 60;
+
+ unsigned int m_rdramOffset;
+
+ //Stack indices
+ unsigned int m_modelViewMatrixTop;
+ unsigned int m_projectionMatrixTop;
+
+ //Matrices
+ Matrix4 m_modelViewMatrices[NUM_STACK_MATRICES]; //!< Stack with projection matrices
+ Matrix4 m_projectionMatrices[NUM_STACK_MATRICES]; //!< Stack with projection matrices
+ Matrix4 m_worldProject; //!< Combined modelviewprojection matrix
+};
+
+#endif