/* 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 "common/formats/ini-file.h"
#include "common/stream.h"
#include "common/system.h"
#include "common/events.h"

#include "graphics/surface.h"

#include "petka/flc.h"
#include "petka/petka.h"
#include "petka/video.h"
#include "petka/q_system.h"
#include "petka/q_manager.h"
#include "petka/objects/object_cursor.h"

namespace Petka {

const int kCursorLook = 5002;

QObjectCursor::QObjectCursor() {
	_id = 4097;
	_z = 1000;
	_resourceId = kCursorLook;
	Common::Point pos = g_vm->getEventManager()->getMousePos();
	_x = pos.x;
	_y = pos.y;
	g_vm->resMgr()->getFlic(kCursorLook);
	_actionType = kActionLook;
	_invObj = nullptr;
	_name = "Cursor";
}

void QObjectCursor::draw() {
	if (!_isShown) {
		return;
	}
	FlicDecoder *flc = g_vm->resMgr()->getFlic(_resourceId);
	const Graphics::Surface *frame = flc->getCurrentFrame();
	if (frame) {
		Graphics::Surface *s = frame->convertTo(g_system->getScreenFormat(), flc->getPalette());
		Common::Rect destRect(flc->getBounds());
		destRect.translate(_x, _y);
		destRect.clip(640, 480);

		Common::Rect srcRect(destRect);
		srcRect.translate(-_x, -_y);

		g_vm->videoSystem()->transBlitFrom(*s, srcRect, destRect, flc->getTransColor(s->format));
		s->free();
		delete s;
	}
}

void QObjectCursor::update(int time) {
	if (!_isShown || !_animate)
		return;
	FlicDecoder *flc = g_vm->resMgr()->getFlic(_resourceId);
	_time += time;
	while (flc && _time >= (int32)flc->getDelay()) {
		flc->setFrame(-1);
		g_vm->videoSystem()->addDirtyRect(Common::Point(_x, _y), flc->getBounds());
		_time -= flc->getDelay();
	}
}

void QObjectCursor::setPos(Common::Point p, bool center) {
	FlicDecoder *flc = g_vm->resMgr()->getFlic(_resourceId);
	if (!_animate) {
		flc->setFrame(1);
	}

	p.x = p.x - g_vm->getQSystem()->_xOffset;

	g_vm->videoSystem()->addDirtyRect(Common::Point(_x, _y), flc->getBounds());

	if (center) {
		Common::Rect bounds = flc->getBounds();
		p.x = p.x - bounds.left - bounds.width() / 2;
		p.y = p.y - bounds.top - bounds.height() / 2;
	}

	_x = p.x;
	_y = p.y;

	g_vm->videoSystem()->addDirtyRect(Common::Point(_x, _y), flc->getBounds());
}

void QObjectCursor::show(bool v) {
	FlicDecoder *flc = g_vm->resMgr()->getFlic(_resourceId);
	g_vm->videoSystem()->addDirtyRect(Common::Point(_x, _y), flc->getBounds());
	QMessageObject::show(v);
}

void QObjectCursor::returnInvItem() {
	if (_actionType == kActionObjUse) {
		_invObj->show(true);
		_invObj->_isActive = true;
	}
}

void QObjectCursor::setInvItem(QMessageObject *item, uint16 resourceId) {
	returnInvItem();
	if (resourceId != 0xffff) {
		_resourceId = resourceId;
		_actionType = kActionObjUse;
		_invObj = item;
		item->_isShown = false;
		item->_isActive = false;
	} else {
		_resourceId = kCursorLook;
		_actionType = kActionLook;
		_invObj = nullptr;
	}
}

void QObjectCursor::setAction(int actionType) {
	show(false);
	returnInvItem();
	_resourceId = kCursorLook + actionType;
	_actionType = actionType;
	_invObj = nullptr;
	show(true);
}

}