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/* 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/>.
*
*/
/*
* This code is based on the CRAB engine
*
* Copyright (c) Arvind Raja Yadav
*
* Licensed under MIT
*
*/
#include "crab/crab.h"
#include "crab/image/ImageManager.h"
#include "crab/ui/AlphaImage.h"
#include "crab/text/TextManager.h"
namespace Crab {
using namespace pyrodactyl::ui;
using namespace pyrodactyl::image;
void AlphaImage::load(rapidxml::xml_node<char> *node, const bool &echo) {
_pos.load(node, echo);
loadImgKey(_img, "img", node, echo);
loadNum(alpha._min, "min", node);
loadNum(alpha._max, "max", node);
loadNum(alpha._change, "inc", node);
alpha._cur = alpha._min + g_engine->getRandomNumber(alpha._max - alpha._min - 1);
}
void AlphaImage::internalEvents() {
if (alpha._inc) {
alpha._cur += alpha._change;
if (alpha._cur >= alpha._max) {
alpha._cur = alpha._max;
alpha._inc = false;
}
} else {
alpha._cur -= alpha._change;
if (alpha._cur <= alpha._min) {
alpha._cur = alpha._min;
alpha._inc = true;
}
}
if (g_engine->_imageManager->validTexture(_img))
g_engine->_imageManager->getTexture(_img).alpha(alpha._cur);
}
void AlphaImage::draw(const int &xOffset, const int &yOffset) {
if (g_engine->_imageManager->validTexture(_img))
g_engine->_imageManager->getTexture(_img).draw(_pos.x + xOffset, _pos.y + yOffset);
}
} // End of namespace Crab
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