Files
scummvm-cursorfix/engines/crab/ui/ProgressBar.cpp
2026-02-02 04:50:13 +01:00

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