361 lines
11 KiB
C++
361 lines
11 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/ultima8/gfx/palette_fader_process.h"
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#include "ultima/ultima8/gfx/palette.h"
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#include "ultima/ultima8/gfx/texture.h"
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#include "ultima/ultima8/kernel/kernel.h"
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#include "ultima/ultima8/ultima8.h"
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namespace Ultima {
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namespace Ultima8 {
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PaletteFaderProcess *PaletteFaderProcess::_fader = nullptr;
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// p_dynamic_class stuff
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DEFINE_RUNTIME_CLASSTYPE_CODE(PaletteFaderProcess)
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PaletteFaderProcess::PaletteFaderProcess() : Process(), _priority(0),
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_counter(0), _maxCounter(0) {
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}
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PaletteFaderProcess::PaletteFaderProcess(PalTransforms trans,
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int priority, int frames) : _priority(priority),
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_counter(frames), _maxCounter(frames) {
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PaletteManager *pm = PaletteManager::get_instance();
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Palette *pal = pm->getPalette(PaletteManager::Pal_Game);
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for (int i = 0; i < 12; i++) _oldMatrix[i] = pal->_matrix[i];
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pm->getTransformMatrix(_newMatrix, trans);
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pal->_transform = trans;
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}
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PaletteFaderProcess::PaletteFaderProcess(uint32 col32, bool from,
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int priority, int frames, bool current) : _priority(priority),
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_counter(frames), _maxCounter(frames) {
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PaletteManager *pm = PaletteManager::get_instance();
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Palette *pal = pm->getPalette(PaletteManager::Pal_Game);
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if (!from) {
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if (current)
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for (int i = 0; i < 12; i++) _oldMatrix[i] = pal->_matrix[i];
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else
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pm->getTransformMatrix(_oldMatrix, pal->_transform);
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pm->getTransformMatrix(_newMatrix, col32);
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} else {
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pm->getTransformMatrix(_oldMatrix, col32);
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if (current)
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for (int i = 0; i < 12; i++) _newMatrix[i] = pal->_matrix[i];
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else
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pm->getTransformMatrix(_newMatrix, pal->_transform);
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}
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}
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PaletteFaderProcess::PaletteFaderProcess(const int16 from[12], const int16 to[12],
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int priority, int frames) : _priority(priority),
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_counter(frames), _maxCounter(frames) {
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int i;
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for (i = 0; i < 12; i++) _oldMatrix[i] = from[i];
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for (i = 0; i < 12; i++) _newMatrix[i] = to[i];
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}
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PaletteFaderProcess::~PaletteFaderProcess(void) {
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if (_fader == this)
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_fader = nullptr;
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}
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void PaletteFaderProcess::run() {
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int16 matrix[12];
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for (int i = 0; i < 12; i++) {
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int32 o = _oldMatrix[i] * _counter;
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int32 n = _newMatrix[i] * (_maxCounter - _counter);
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matrix[i] = static_cast<int16>((o + n) / _maxCounter);
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}
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PaletteManager::get_instance()->transformPalette(
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PaletteManager::Pal_Game,
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matrix);
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if (!_counter--) terminate();
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}
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void PaletteFaderProcess::saveData(Common::WriteStream *ws) {
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Process::saveData(ws);
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ws->writeUint32LE(static_cast<uint32>(_priority));
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ws->writeUint32LE(static_cast<uint32>(_counter));
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ws->writeUint32LE(static_cast<uint32>(_maxCounter));
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unsigned int i;
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for (i = 0; i < 12; ++i)
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ws->writeUint16LE(_oldMatrix[i]);
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for (i = 0; i < 12; ++i)
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ws->writeUint16LE(_newMatrix[i]);
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}
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bool PaletteFaderProcess::loadData(Common::ReadStream *rs, uint32 version) {
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if (!Process::loadData(rs, version)) return false;
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_priority = static_cast<int>(rs->readUint32LE());
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_counter = static_cast<int>(rs->readUint32LE());
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_maxCounter = static_cast<int>(rs->readUint32LE());
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unsigned int i;
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for (i = 0; i < 12; ++i)
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_oldMatrix[i] = rs->readUint16LE();
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for (i = 0; i < 12; ++i)
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_newMatrix[i] = rs->readUint16LE();
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_fader = this; //static
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return true;
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}
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uint32 PaletteFaderProcess::I_fadeToPaletteTransform(const uint8 *args,
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unsigned int /*argsize*/) {
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ARG_UINT16(transform);
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ARG_UINT16(priority);
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// If current _fader has higher _priority, we do nothing
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if (_fader && _fader->_priority > priority)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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_fader = new PaletteFaderProcess(static_cast<PalTransforms>(transform),
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priority, 45);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeToBlack(const uint8 *args,
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unsigned int argsize) {
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if (_fader && _fader->_priority > 0x7FFF)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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int nsteps = (GAME_IS_U8 ? 30 : 40);
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if (argsize > 0) {
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ARG_UINT16(n);
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nsteps = n;
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if (argsize > 2) {
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ARG_UINT16(unk);
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warning("PaletteFaderProcess::I_fadeToBlackWithParam: Ignoring param %d", unk);
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}
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}
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_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0x00, 0x00, 0x00, 0x00), false, 0x7FFF, nsteps, true);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeFromBlack(const uint8 *args,
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unsigned int argsize) {
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if (_fader && _fader->_priority > 0x7FFF)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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int nsteps = (GAME_IS_U8 ? 30 : 40);
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if (argsize > 0) {
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ARG_UINT16(n);
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nsteps = n;
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if (argsize > 2) {
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ARG_UINT16(unk);
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warning("PaletteFaderProcess::I_fadeFromBlackWithParam: Ignoring param %d", unk);
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}
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}
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_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0x00, 0x00, 0x00, 0x00), true, 0x7FFF, nsteps, false);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeToWhite(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0xFF, 0xFF, 0xFF, 0x00), false, 0x7FFF, 30, true);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeFromWhite(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0xFF, 0xFF, 0xFF, 0x00), true, 0x7FFF, 30, false);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_lightningBolt(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > -1)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0xCF, 0xCF, 0xCF, 0x3F), true, -1, 10, false);
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return Kernel::get_instance()->addProcess(_fader);
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}
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static const int16 NoFadeMatrix[] = {0x800, 0, 0, 0,
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0, 0x800, 0, 0,
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0, 0, 0x800, 0
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};
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// Transform used in Crusader is Yib. We only care about Y:
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// Y = (r * 0.299 + g * 0.587 + b * 0.114)
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static const int16 GreyFadeMatrix[] = {612, 1202, 233, 0,
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612, 1202, 233, 0,
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612, 1202, 233, 0
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};
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static const int16 AllWhiteMatrix[] = {0, 0, 0, 0x7ff,
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0, 0, 0, 0x7ff,
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0, 0, 0, 0x7ff
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};
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static const int16 AllBlackMatrix[] = {0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0
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};
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uint32 PaletteFaderProcess::I_fadeToGreyScale(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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_fader = new PaletteFaderProcess(NoFadeMatrix, GreyFadeMatrix, 0x7FFF, 1);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeToGivenColor(const uint8 *args,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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// TODO: guessing that color order should be same as other one below?
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ARG_UINT8(r);
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ARG_UINT8(g);
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ARG_UINT8(b);
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ARG_UINT16(nsteps);
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ARG_UINT16(unk);
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uint32 target = (r << 16) | (g << 8) | (b << 0);
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warning("PaletteFaderProcess::I_fadeToGivenColor: Ignoring param %d", unk);
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_fader = new PaletteFaderProcess(target, true, 0x7FFF, nsteps, false);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_fadeToGamePal(const uint8 *args,
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unsigned int argsize) {
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if (_fader && _fader->_priority > 0x7FFF)
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return 0;
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else if (_fader && !_fader->is_terminated())
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_fader->terminate();
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int nsteps = (GAME_IS_U8 ? 30 : 20);
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if (argsize > 0) {
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ARG_UINT16(n);
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nsteps = n;
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if (argsize > 2) {
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ARG_UINT16(unk);
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warning("PaletteFaderProcess::I_fadeToGamePalWithParam: Ignoring param %d", unk);
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}
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}
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int16 curmatrix[12];
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PaletteManager *pm = PaletteManager::get_instance();
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pm->getTransformMatrix(curmatrix, PaletteManager::Pal_Game);
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_fader = new PaletteFaderProcess(curmatrix, NoFadeMatrix, 0x7FFF, nsteps);
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return Kernel::get_instance()->addProcess(_fader);
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}
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uint32 PaletteFaderProcess::I_jumpToGreyScale(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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PaletteManager::get_instance()->transformPalette(PaletteManager::Pal_Game,
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GreyFadeMatrix);
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return 0;
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}
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uint32 PaletteFaderProcess::I_jumpToAllBlack(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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PaletteManager::get_instance()->transformPalette(PaletteManager::Pal_Game,
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AllBlackMatrix);
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return 0;
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}
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uint32 PaletteFaderProcess::I_jumpToAllWhite(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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PaletteManager::get_instance()->transformPalette(PaletteManager::Pal_Game,
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AllWhiteMatrix);
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return 0;
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}
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uint32 PaletteFaderProcess::I_jumpToAllGivenColor(const uint8 *args,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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ARG_UINT8(r);
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ARG_UINT8(g);
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ARG_UINT8(b);
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// Transform matrix goes 0~2048, scale 0-63 vals from input
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const int16 r16 = static_cast<int16>(r) * 32;
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const int16 g16 = static_cast<int16>(g) * 32;
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const int16 b16 = static_cast<int16>(b) * 32;
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const int16 color_matrix[] = {0, 0, 0, r16,
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0, 0, 0, g16,
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0, 0, 0, b16
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};
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PaletteManager::get_instance()->transformPalette(PaletteManager::Pal_Game,
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color_matrix);
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return 0;
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}
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uint32 PaletteFaderProcess::I_jumpToNormalPalette(const uint8 * /*args*/,
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unsigned int /*argsize*/) {
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if (_fader && _fader->_priority > 0x7FFF) return 0;
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else if (_fader) _fader->terminate();
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PaletteManager::get_instance()->transformPalette(PaletteManager::Pal_Game,
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NoFadeMatrix);
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return 0;
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}
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} // End of namespace Ultima8
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} // End of namespace Ultima
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