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https://github.com/libretro/scummvm.git
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120 lines
2.9 KiB
C++
120 lines
2.9 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 "common/system.h"
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#include "petka/flc.h"
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#include "petka/petka.h"
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#include "petka/q_system.h"
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#include "petka/interfaces/interface.h"
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#include "petka/video.h"
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namespace Petka {
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const uint kShakeTime = 30;
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const int kShakeOffset = 3;
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VideoSystem::VideoSystem(PetkaEngine &vm)
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: _vm(vm) {
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_shakeTime = 0;
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_time = g_system->getMillis();
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_shake = false;
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_shift = false;
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_allowAddingRects = true;
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}
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void VideoSystem::update() {
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QSystem *sys = _vm.getQSystem();
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Interface *interface = sys->_currInterface;
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uint32 time = g_system->getMillis();
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assert(sys);
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assert(interface);
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interface->update(time - _time);
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mergeDirtyRects();
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_allowAddingRects = false;
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interface->draw();
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_allowAddingRects = true;
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for (Common::Rect &r : _dirtyRects) {
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const byte *srcP = (const byte *)getBasePtr(r.left, r.top);
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g_system->copyRectToScreen(srcP, pitch, r.left, r.top, r.width(), r.height());
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}
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_dirtyRects.clear();
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_time = time;
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if (_shake) {
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g_system->setShakePos(_shift ? kShakeOffset : 0, 0);
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if (time - _shakeTime > kShakeTime) {
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_shift = !_shift;
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_shakeTime = time;
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}
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}
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g_system->updateScreen();
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}
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void VideoSystem::addDirtyRect(const Common::Rect &rect) {
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if (_allowAddingRects) {
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Graphics::Screen::addDirtyRect(rect);
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}
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}
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void VideoSystem::addDirtyRect(Common::Point pos, Common::Rect rect) {
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rect.translate(pos.x, pos.y);
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addDirtyRect(rect);
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}
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void VideoSystem::addDirtyRect(Common::Point pos, FlicDecoder &flc) {
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pos.x = pos.x - _vm.getQSystem()->_xOffset;
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addDirtyRect(pos, flc.getBounds());
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}
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void VideoSystem::addDirtyMskRects(Common::Point pos, FlicDecoder &flc) {
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for (auto &rect : flc.getMskRects()) {
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addDirtyRect(pos, rect);
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}
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}
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void VideoSystem::addDirtyMskRects(FlicDecoder &flc) {
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addDirtyMskRects(Common::Point(0, 0), flc);
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}
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const Common::List<Common::Rect> &VideoSystem::rects() const {
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return _dirtyRects;
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}
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void VideoSystem::updateTime() {
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_time = g_system->getMillis();
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}
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void VideoSystem::setShake(bool shake) {
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_shake = shake;
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g_system->setShakePos(0, 0);
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}
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} // End of namespace Petka
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