| 62 | } |
| 63 | |
| 64 | void LoadPalette( |
| 65 | const Vfs& vfs, |
| 66 | Palette& out_palette ) |
| 67 | { |
| 68 | const Vfs::FileContent palette_file= vfs.ReadFile( "CHASM2.PAL" ); |
| 69 | |
| 70 | // Convert from 6-bit to 8-bit. |
| 71 | for( unsigned int i= 0u; i < 768u; i++ ) |
| 72 | out_palette[i]= palette_file[i] << 2u; |
| 73 | |
| 74 | // Make color correction. |
| 75 | // TODO - do color correction as screen image postprocessing. |
| 76 | const float c_mix_k= 1.3f; |
| 77 | const float c_one_minux_mix_k= 1.0f - c_mix_k; |
| 78 | |
| 79 | for( unsigned int i= 0u; i < 256u; i++ ) |
| 80 | { |
| 81 | float rgb[3]; |
| 82 | for( unsigned int j= 0u; j < 3u; j++ ) |
| 83 | rgb[j]= float( out_palette[ i * 3u + j ] ); |
| 84 | const float grey= ( rgb[0] + rgb[1] + rgb[2] ) / 3.0f; |
| 85 | |
| 86 | for( unsigned int j= 0u; j < 3u; j++ ) |
| 87 | { |
| 88 | const int c= static_cast<int>( std::round( rgb[j] * c_mix_k + grey * c_one_minux_mix_k ) ); |
| 89 | out_palette[ i * 3u + j ]= std::max( std::min( c, 255 ), 0 ); |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | void CreateConsoleBackground( |
| 95 | const Size2& size, |
no test coverage detected