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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/animation/AnimationFrame.h"
namespace Crab {
using namespace pyrodactyl::image;
using namespace pyrodactyl::anim;
AnimationFrame::AnimationFrame(rapidxml::xml_node<char> *node) : AnimationFrame() {
_eff = AnimationEffect(node);
Vector2i::load(node);
loadImgKey(_img, "img", node);
loadNum(_start, "start", node);
loadNum(_finish, "finish", node);
loadColor(_col, node);
if (nodeValid("text", node, false))
_text.load(node->first_node("text"));
reset();
}
void AnimationFrame::reset() {
switch (_eff._type) {
case FADE_IN:
_col.a = 0;
break;
case FADE_OUT:
_col.a = 255;
break;
default:
_col.a = 255;
break;
}
}
void AnimationFrame::draw(const uint32 ×tamp) {
warning("STUB: AnimationFrame::draw()");
#if 0
// Only draw the frame in the specified duration
if (timestamp >= start && timestamp <= finish) {
// Fill the screen with the color indicated
SDL_SetRenderDrawBlendMode(gRenderer, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(gRenderer, col.r, col.g, col.b, col.a);
SDL_RenderFillRect(gRenderer, NULL);
g_engine->_imageManager->draw(x, y, img);
text.draw();
}
#endif
}
DrawType AnimationFrame::internalEvents(const uint32 ×tamp) {
// Vary alpha according to the effect values in the variation time frame
if (timestamp >= _eff._start && timestamp <= _eff._finish) {
// These equations courtesy of linear algebra
switch (_eff._type) {
case FADE_IN:
_col.a = (255 * (timestamp - _eff._start)) / (_eff._finish - _eff._start);
break;
case FADE_OUT:
_col.a = (255 * (_eff._finish - timestamp)) / (_eff._finish - _eff._start);
break;
default:
break;
}
return _eff._drawGame;
}
return DRAW_SAME;
}
} // End of namespace Crab
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