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76 lines
2.1 KiB
C++
76 lines
2.1 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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/*
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* This code is based on the CRAB engine
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*
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* Copyright (c) Arvind Raja Yadav
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*
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* Licensed under MIT
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*
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*/
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#include "crab/crab.h"
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#include "crab/image/ImageManager.h"
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#include "crab/ui/AlphaImage.h"
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#include "crab/text/TextManager.h"
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namespace Crab {
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using namespace pyrodactyl::ui;
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using namespace pyrodactyl::image;
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void AlphaImage::load(rapidxml::xml_node<char> *node, const bool &echo) {
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_pos.load(node, echo);
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loadImgKey(_img, "img", node, echo);
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loadNum(alpha._min, "min", node);
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loadNum(alpha._max, "max", node);
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loadNum(alpha._change, "inc", node);
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alpha._cur = alpha._min + g_engine->getRandomNumber(alpha._max - alpha._min - 1);
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}
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void AlphaImage::internalEvents() {
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if (alpha._inc) {
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alpha._cur += alpha._change;
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if (alpha._cur >= alpha._max) {
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alpha._cur = alpha._max;
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alpha._inc = false;
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}
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} else {
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alpha._cur -= alpha._change;
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if (alpha._cur <= alpha._min) {
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alpha._cur = alpha._min;
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alpha._inc = true;
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}
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}
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if (g_engine->_imageManager->validTexture(_img))
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g_engine->_imageManager->getTexture(_img).alpha(alpha._cur);
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}
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void AlphaImage::draw(const int &xOffset, const int &yOffset) {
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if (g_engine->_imageManager->validTexture(_img))
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g_engine->_imageManager->getTexture(_img).draw(_pos.x + xOffset, _pos.y + yOffset);
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}
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} // End of namespace Crab
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