diff options
Diffstat (limited to 'engines/neverhood/palette.cpp')
| -rw-r--r-- | engines/neverhood/palette.cpp | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/engines/neverhood/palette.cpp b/engines/neverhood/palette.cpp index 385cadeef8..b45f8eeb78 100644 --- a/engines/neverhood/palette.cpp +++ b/engines/neverhood/palette.cpp @@ -32,13 +32,94 @@ Palette::Palette(NeverhoodEngine *vm) : Entity(vm, 0) { SetUpdateHandler(&Palette::update); } +Palette::Palette(NeverhoodEngine *vm, byte *palette) : Entity(vm, 0) { + _status = 0; + _palette = new byte[1024]; + memcpy(_palette, palette, 1024); + SetUpdateHandler(&Palette::update); +} + +Palette::Palette(NeverhoodEngine *vm, const char *filename) : Entity(vm, 0) { + PaletteResource paletteResource(_vm); + _status = 0; + _palette = new byte[1024]; + // TODO: paletteResource.load(calcHash(filename)); + // paletteResource.copyPalette(_palette); + SetUpdateHandler(&Palette::update); +} + +Palette::Palette(NeverhoodEngine *vm, uint32 fileHash) : Entity(vm, 0) { + PaletteResource paletteResource(_vm); + _status = 0; + _palette = new byte[1024]; + paletteResource.load(fileHash); + paletteResource.copyPalette(_palette); + SetUpdateHandler(&Palette::update); +} + Palette::~Palette() { // TODO: _vm->_screen->unsetPaletteData(_palette); delete[] _palette; } +void Palette::usePalette() { + // TODO: _vm->_screen->setPaletteData(_palette); +} + +void Palette::addPalette(const char *filename, int toIndex, int count, int fromIndex) { + // TODO: addPalette(calcHash(filename), toIndex, count, fromIndex); +} + +void Palette::addPalette(uint32 fileHash, int toIndex, int count, int fromIndex) { + PaletteResource paletteResource(_vm); + if (toIndex + count > 256) + count = 256 - toIndex; + paletteResource.load(fileHash); + memcpy(_palette + toIndex * 4, paletteResource.palette() + fromIndex * 4, count * 4); + // TODO: _vm->_screen->testPalette(_palette); +} + +void Palette::startFadeToBlack(int counter) { + if (counter == 0) + counter = 1; + _fadeToR = 0; + _fadeToG = 0; + _fadeToB = 0; + _palCounter = counter; + _fadeStep = 255 / counter; + _status = 1; +} + +void Palette::startFadeToWhite(int counter) { + if (counter == 0) + counter = 1; + _fadeToR = 255; + _fadeToG = 255; + _fadeToB = 255; + _palCounter = counter; + _fadeStep = 255 / counter; + _status = 1; +} + void Palette::update() { - // TODO + if (_status == 1) { + memset(_palette, 0, 1024); + _status = 0; + } else { + for (int i = 0; i < 256; i++) { + fadeColor(_palette + i * 4, _fadeToR, _fadeToG, _fadeToB); + } + // TODO: _vm->_screen->testPalette(_palette); + _palCounter--; + } +} + +void Palette::fadeColor(byte *rgb, byte toR, byte toG, byte toB) { + #define FADE(color, toColor) color += _fadeStep < toColor - color ? _fadeStep : (-_fadeStep <= toColor - color ? toColor - color : -_fadeStep) + FADE(rgb[0], toR); + FADE(rgb[1], toG); + FADE(rgb[2], toB); + #undef FADE } } // End of namespace Neverhood |