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107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/* Residual - A 3D game interpreter
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*
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* Residual 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 library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "engines/grim/iris.h"
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#include "engines/grim/gfx_base.h"
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#include "engines/grim/grim.h"
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#include "engines/grim/savegame.h"
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namespace Grim {
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Iris::Iris() :
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_playing(false), _direction(Open) {
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}
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Iris::~Iris() {
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}
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void Iris::play(Iris::Direction dir, int x, int y, int lenght) {
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_playing = true;
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_direction = dir;
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_x = x;
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_y = y;
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_lenght = lenght;
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_currTime = 0;
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}
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void Iris::draw() {
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if (!_playing) {
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if (_direction == Close) {
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g_driver->dimRegion(0, 0, 640, 479, 0);
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}
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return;
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}
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_currTime += g_grim->getFrameTime();
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if (_currTime >= _lenght) {
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_playing = false;
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if (_direction == Close) {
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g_driver->dimRegion(0, 0, 640, 479, 0);
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}
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return;
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}
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float factor = (float)_currTime / (float)_lenght;
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if (_direction == Open) {
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factor = 1 - factor;
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}
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int y = (int)(_y * factor);
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int x = (int)(_x * factor);
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// Why doesn't 480 work here??
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g_driver->dimRegion(0, 0, 640, y, 0);
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g_driver->dimRegion(0, y, x, 479 - y, 0);
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g_driver->dimRegion(x, 479 - y, 640 - x, y, 0);
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g_driver->dimRegion(640 - x, y, x, 479 - y, 0);
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}
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void Iris::saveState(SaveGame *state) const {
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state->beginSection('IRIS');
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state->writeLEBool(_playing);
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state->writeLEUint32((uint32)_direction);
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state->writeLEUint32(_x);
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state->writeLEUint32(_y);
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state->writeLEUint32(_lenght);
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state->writeLEUint32(_currTime);
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state->endSection();
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}
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void Iris::restoreState(SaveGame *state) {
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state->beginSection('IRIS');
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_playing = state->readLEBool();
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_direction = (Direction)state->readLEUint32();
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_x = state->readLEUint32();
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_y = state->readLEUint32();
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_lenght = state->readLEUint32();
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_currTime = state->readLEUint32();
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state->endSection();
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}
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}
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