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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 |