| 1 | /****************************************************************************** |
| 2 | * Arachnoid Graphics Plugin for Mupen64Plus |
| 3 | * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/ |
| 4 | * |
| 5 | * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version 2 |
| 10 | * of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | *****************************************************************************/ |
| 21 | |
| 22 | #ifndef RSP_MATRIX_MANAGER_H_ |
| 23 | #define RSP_MATRIX_MANAGER_H_ |
| 24 | |
| 25 | #include "Matrix4.h" |
| 26 | |
| 27 | //Forward Declarations |
| 28 | class Memory; |
| 29 | |
| 30 | //***************************************************************************** |
| 31 | //! RSP Matrix Manager |
| 32 | //***************************************************************************** |
| 33 | class RSPMatrixManager |
| 34 | { |
| 35 | public: |
| 36 | |
| 37 | //Constructor / Destructor |
| 38 | RSPMatrixManager(); |
| 39 | ~RSPMatrixManager(); |
| 40 | |
| 41 | bool initialize(Memory* memory); |
| 42 | |
| 43 | //Add Matrices |
| 44 | void addMatrix(unsigned int segmentAddress, bool projectionMatrix, bool push, bool replace); |
| 45 | void insertMatrix(unsigned int where, unsigned int num); |
| 46 | |
| 47 | //Remove Matrices |
| 48 | void popMatrix(); |
| 49 | void popMatrixN(unsigned int num); |
| 50 | void ForceMatrix( unsigned int segmentAddress ); |
| 51 | void selectViewMatrix(unsigned int index) { m_modelViewMatrixTop = index; _updateCombinedMatrix(); } |
| 52 | void DMAMatrix(unsigned int segmentAddress, unsigned char index, unsigned char multiply ); |
| 53 | //void RSP_ForceMatrix( unsigned int mptr ); |
| 54 | //void RSP_LookAt( unsigned int l ); |
| 55 | //void RSP_PerspNormalize( unsigned short scale ); |
| 56 | |
| 57 | void setRDRAMOffset(unsigned int offset) { m_rdramOffset = offset; } |
| 58 | |
| 59 | void resetMatrices(); |
| 60 | |
| 61 | public: |
| 62 | |
| 63 | float* getModelViewMatrix() { return m_modelViewMatrices[m_modelViewMatrixTop]._m; } |
| 64 | float* getProjectionMatrix() { return m_projectionMatrices[m_projectionMatrixTop]._m; } |
| 65 | float* getViewProjectionMatrix() { return m_worldProject._m; } |
| 66 | |
| 67 | private: |
| 68 | |
| 69 | void _loadMatrix(unsigned int addr, Matrix4& out); |
| 70 | void _setProjection(const Matrix4& mat, bool push, bool replace); |
| 71 | void _setWorldView(const Matrix4 & mat, bool push, bool replace); |
| 72 | void _updateCombinedMatrix(); |
| 73 | |
| 74 | private: |
| 75 | |
| 76 | Memory* m_memory; //!< Pointer to memory |
| 77 | |
| 78 | static const int NUM_STACK_MATRICES = 60; |
| 79 | |
| 80 | unsigned int m_rdramOffset; |
| 81 | |
| 82 | //Stack indices |
| 83 | unsigned int m_modelViewMatrixTop; |
| 84 | unsigned int m_projectionMatrixTop; |
| 85 | |
| 86 | //Matrices |
| 87 | Matrix4 m_modelViewMatrices[NUM_STACK_MATRICES]; //!< Stack with projection matrices |
| 88 | Matrix4 m_projectionMatrices[NUM_STACK_MATRICES]; //!< Stack with projection matrices |
| 89 | Matrix4 m_worldProject; //!< Combined modelviewprojection matrix |
| 90 | }; |
| 91 | |
| 92 | #endif |