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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 | #include "CombinerBase.h" |
23 | #include "CombinerStructs.h" |
24 | |
25 | //----------------------------------------------------------------------------- |
26 | //! Constructor |
27 | //----------------------------------------------------------------------------- |
28 | CombinerBase::CombinerBase() |
29 | { |
30 | m_fillColor[0] = m_blendColor[0] = m_primColor[0] = m_envColor[0] = 0; |
31 | m_fillColor[1] = m_blendColor[1] = m_primColor[1] = m_envColor[1] = 0; |
32 | m_fillColor[2] = m_blendColor[2] = m_primColor[2] = m_envColor[2] = 0; |
33 | m_fillColor[3] = m_blendColor[3] = m_primColor[3] = m_envColor[3] = 1; |
34 | } |
35 | |
36 | //----------------------------------------------------------------------------- |
37 | //! Destructor |
38 | //----------------------------------------------------------------------------- |
39 | CombinerBase::~CombinerBase() |
40 | { |
41 | |
42 | } |
43 | |
44 | //----------------------------------------------------------------------------- |
45 | //! Set Fill Color |
46 | //! @param r Red component of color (0.0 - 1.0) |
47 | //! @param g Green component of color (0.0 - 1.0) |
48 | //! @param b Blue component of color (0.0 - 1.0) |
49 | //! @param a Alpha component of color (0.0 - 1.0) |
50 | //----------------------------------------------------------------------------- |
51 | void CombinerBase::setFillColor (float r, float g, float b, float a) |
52 | { |
53 | m_fillColor[0] = r; |
54 | m_fillColor[1] = g; |
55 | m_fillColor[2] = b; |
56 | m_fillColor[3] = a; |
57 | } |
58 | |
59 | //----------------------------------------------------------------------------- |
60 | //! Set Blend Color |
61 | //! @param r Red component of color (0.0 - 1.0) |
62 | //! @param g Green component of color (0.0 - 1.0) |
63 | //! @param b Blue component of color (0.0 - 1.0) |
64 | //! @param a Alpha component of color (0.0 - 1.0) |
65 | //----------------------------------------------------------------------------- |
66 | void CombinerBase::setBlendColor(float r, float g, float b, float a) |
67 | { |
68 | m_blendColor[0] = r; |
69 | m_blendColor[1] = g; |
70 | m_blendColor[2] = b; |
71 | m_blendColor[3] = a; |
72 | } |
73 | |
74 | //----------------------------------------------------------------------------- |
75 | //! Set Prim Color |
76 | //! @param r Red component of color (0.0 - 1.0) |
77 | //! @param g Green component of color (0.0 - 1.0) |
78 | //! @param b Blue component of color (0.0 - 1.0) |
79 | //! @param a Alpha component of color (0.0 - 1.0) |
80 | //----------------------------------------------------------------------------- |
81 | void CombinerBase::setPrimColor (float r, float g, float b, float a) |
82 | { |
83 | m_primColor[0] = r; |
84 | m_primColor[1] = g; |
85 | m_primColor[2] = b; |
86 | m_primColor[3] = a; |
87 | } |
88 | |
89 | //----------------------------------------------------------------------------- |
90 | //! Set Enviroment Color |
91 | //! @param r Red component of color (0.0 - 1.0) |
92 | //! @param g Green component of color (0.0 - 1.0) |
93 | //! @param b Blue component of color (0.0 - 1.0) |
94 | //! @param a Alpha component of color (0.0 - 1.0) |
95 | //----------------------------------------------------------------------------- |
96 | void CombinerBase::setEnvColor(float r, float g, float b, float a) |
97 | { |
98 | m_envColor[0] = r; |
99 | m_envColor[1] = g; |
100 | m_envColor[2] = b; |
101 | m_envColor[3] = a; |
102 | } |
103 | |
104 | //----------------------------------------------------------------------------- |
105 | //! Get Combiner Color |
106 | //! @param[in] colorSource From which colorsource to retrive color values |
107 | //! \arg \c PRIMITIVE Get color from primative color |
108 | //! \arg \c ENVIRONMENT Get color from environment color |
109 | //! \arg \c PRIMITIVE_ALPHA Get color from primatives alpha value |
110 | //! \arg \c ENV_ALPHA Get color from environment colors alpha value |
111 | //! \arg \c PRIM_LOD_FRAC Get color from primative-LOD-frac value |
112 | //! \arg \c ONE Get white color |
113 | //! \arg \c ZERO Get black color |
114 | //! @param[in] alphaSource From which alphasource to retrive alpha value |
115 | //! \arg \c PRIMITIVE_ALPHA Get alpha value from primitive colors alpha value |
116 | //! \arg \c ENV_ALPHA Get alpha value from environment colors alpha value |
117 | //! \arg \c PRIM_LOD_FRAC Get alpha value from primative-LOD-frac value |
118 | //! \arg \c ONE Set alpha value to 1.0 |
119 | //! \arg \c ZERO Set alpha value to 0.0 |
120 | //! @param[out] out The combiner color with color and alpha value |
121 | //----------------------------------------------------------------------------- |
122 | void CombinerBase::getCombinerColor(float out[4], short colorSrc, short alphaSrc) |
123 | { |
124 | //Set color values |
125 | switch ( colorSrc ) |
126 | { |
127 | case PRIMITIVE: |
128 | out[0] = m_primColor[0]; |
129 | out[1] = m_primColor[1]; |
130 | out[2] = m_primColor[2]; |
131 | break; |
132 | case ENVIRONMENT: |
133 | out[0] = m_envColor[0]; |
134 | out[1] = m_envColor[1]; |
135 | out[2] = m_envColor[2]; |
136 | break; |
137 | case PRIMITIVE_ALPHA: |
138 | out[0] = m_primColor[3]; |
139 | out[1] = m_primColor[3]; |
140 | out[2] = m_primColor[3]; |
141 | break; |
142 | case ENV_ALPHA: |
143 | out[0] = m_envColor[3]; |
144 | out[1] = m_envColor[3]; |
145 | out[2] = m_envColor[3]; |
146 | break; |
147 | case PRIM_LOD_FRAC: |
148 | out[0] = m_primLodFrac; |
149 | out[1] = m_primLodFrac; |
150 | out[2] = m_primLodFrac; |
151 | break; |
152 | case ONE: |
153 | out[0] = 1.0f; |
154 | out[1] = 1.0f; |
155 | out[2] = 1.0f; |
156 | break; |
157 | case ZERO: |
158 | out[0] = 0.0f; |
159 | out[1] = 0.0f; |
160 | out[2] = 0.0f; |
161 | break; |
162 | } |
163 | |
164 | //Set alpha value |
165 | switch ( alphaSrc ) |
166 | { |
167 | case PRIMITIVE_ALPHA: |
168 | out[3] = m_primColor[3]; |
169 | break; |
170 | case ENV_ALPHA: |
171 | out[3] = m_envColor[3]; |
172 | break; |
173 | case PRIM_LOD_FRAC: |
174 | out[3] = m_primLodFrac; |
175 | break; |
176 | case ONE: |
177 | out[3] = 1.0f; |
178 | break; |
179 | case ZERO: |
180 | out[3] = 0.0f; |
181 | break; |
182 | } |
183 | } |