119 lines
3.0 KiB
C++
119 lines
3.0 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/ui/ProgressBar.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 ProgressBar::load(rapidxml::xml_node<char> *node) {
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ClipButton::load(node);
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loadNum(_notifyRate, "notify", node);
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if (nodeValid("effect", node)) {
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rapidxml::xml_node<char> *effnode = node->first_node("effect");
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loadImgKey(_inc, "inc", effnode);
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loadImgKey(_dec, "dec", effnode);
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_offset.load(effnode);
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}
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if (nodeValid("desc", node)) {
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rapidxml::xml_node<char> *descnode = node->first_node("desc");
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for (rapidxml::xml_node<char> *n = descnode->first_node("above"); n != nullptr; n = n->next_sibling("above"))
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_ct.push_back(n);
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}
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}
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void ProgressBar::draw(const int &value, const int &max) {
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// We don't want divide by zero errors
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if (max == 0)
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return;
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// Figure out which text to draw as caption
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for (auto &i : _ct)
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if (value > i._val) {
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_caption._text = i._text;
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break;
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}
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// If we don't have to draw animations for changing value, just draw the bar
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if (!_changed) {
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_clip.w = (g_engine->_imageManager->getTexture(_img._normal).w() * value) / max;
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ClipButton::draw();
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} else {
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_clip.w = (g_engine->_imageManager->getTexture(_img._normal).w() * _cur) / max;
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ClipButton::draw();
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switch (_type) {
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case INCREASE:
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g_engine->_imageManager->draw(x + _clip.w + _offset.x, y + _offset.y, _inc);
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if (_timer.targetReached()) {
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_cur++;
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_timer.start();
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}
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break;
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case DECREASE:
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g_engine->_imageManager->draw(x + _clip.w + _offset.x, y + _offset.y, _dec);
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if (_timer.targetReached()) {
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_cur--;
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_timer.start();
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}
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break;
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default:
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break;
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}
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if (_cur == value)
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_changed = false;
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}
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}
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void ProgressBar::effect(const int &value, const int &prev) {
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_old = prev;
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_cur = prev;
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if (value > prev) {
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_changed = true;
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_type = INCREASE;
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_timer.target(_notifyRate * (value - prev));
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} else if (value < prev) {
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_changed = true;
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_type = DECREASE;
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_timer.target(_notifyRate * (prev - value));
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} else {
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_changed = false;
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_type = NONE;
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}
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}
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} // End of namespace Crab
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