scummvm/engines/asylum/puzzles/puzzle.cpp

143 lines
3.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "asylum/puzzles/puzzle.h"
#include "asylum/resources/polygons.h"
#include "asylum/resources/worldstats.h"
#include "asylum/system/cursor.h"
#include "asylum/system/graphics.h"
#include "asylum/system/screen.h"
#include "asylum/views/scene.h"
#include "asylum/asylum.h"
namespace Asylum {
Puzzle::Puzzle(AsylumEngine *engine): _vm(engine) {
}
void Puzzle::saveLoadWithSerializer(Common::Serializer &) {
// By default, we do not save any data
}
//////////////////////////////////////////////////////////////////////////
// Event Handling
//////////////////////////////////////////////////////////////////////////
bool Puzzle::handleEvent(const AsylumEvent &evt) {
switch ((int32)evt.type) {
default:
break;
case EVENT_ASYLUM_INIT:
return init(evt);
case EVENT_ASYLUM_ACTIVATE:
return activate(evt);
case EVENT_ASYLUM_UPDATE:
return update(evt);
case Common::EVENT_KEYDOWN:
return key(evt);
case Common::EVENT_LBUTTONDOWN:
return mouseLeftDown(evt);
case Common::EVENT_LBUTTONUP:
return mouseLeftUp(evt);
case Common::EVENT_RBUTTONDOWN:
return mouseRightDown(evt);
case Common::EVENT_RBUTTONUP:
return mouseRightUp(evt);
case Common::EVENT_CUSTOM_ENGINE_ACTION_START:
return keyExit(evt);
}
return false;
}
bool Puzzle::update(const AsylumEvent &evt) {
uint32 ticks = _vm->getTick();
updateCursor();
if (!getSharedData()->getFlag(kFlagRedraw)) {
updateScreen();
getSharedData()->setFlag(kFlagRedraw, true);
}
if (ticks > getSharedData()->getNextScreenUpdate()) {
if (getSharedData()->getFlag(kFlagRedraw)) {
if (!getScreen()->isGraphicQueueEmpty())
getScreen()->drawGraphicsInQueue();
getScreen()->copyBackBufferToScreen();
getSharedData()->setEventUpdate(getSharedData()->getEventUpdate() ^ 1);
getSharedData()->setFlag(kFlagRedraw, false);
getSharedData()->setNextScreenUpdate(ticks + 40);
}
}
return true;
}
bool Puzzle::keyExit(const AsylumEvent &evt) {
_vm->switchEventHandler(getScene());
return true;
}
void Puzzle::exitPuzzle() {
getScreen()->clear();
_vm->switchEventHandler(getScene());
}
//////////////////////////////////////////////////////////////////////////
// Hit test functions
//////////////////////////////////////////////////////////////////////////
bool Puzzle::hitTest(const int16 (*polygonPoint)[2], const Common::Point &point, uint32 index) const {
Common::Point p1(polygonPoint[index + 0][0], polygonPoint[index + 0][1]),
p2(polygonPoint[index + 1][0], polygonPoint[index + 1][1]),
p3(polygonPoint[index + 2][0], polygonPoint[index + 2][1]),
p4(polygonPoint[index + 3][0], polygonPoint[index + 3][1]);
Polygon polygon(p1, p2, p3, p4);
return polygon.contains(point);
}
bool Puzzle::hitTest(const int16 (*polygonPoint)[2], const Common::Point &point) const {
return hitTest(polygonPoint, point, 0);
}
} // end of namespace Asylum