textparticle.cpp

Go to the documentation of this file.

/*
 * The ManaPlus Client
 * Copyright (C) 2006-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * 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 2 of the License, or
 * 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/>.
 */
 
#include "particle/textparticle.h"
 
#include "gui/theme.h"
 
#include "gui/fonts/font.h"
 
#include "render/graphics.h"
 
#include "debug.h"
 
TextParticle::TextParticle(const std::string &restrict text,
 const Color *restrict const color,
 Font *restrict const font,
 const bool outline) :
 Particle(),
 mText(text),
 mTextFont(font),
 mColor(color),
 mTextWidth(mTextFont != nullptr ? mTextFont->getWidth(mText) / 2 : 1),
 mOutline(outline)
{
 mType = ParticleType::Text;
}
 
void TextParticle::draw(Graphics *restrict const graphics,
 const int offsetX,
 const int offsetY) const restrict2
{
 BLOCK_START("TextParticle::draw")
 if (!isAlive())
 {
 BLOCK_END("TextParticle::draw")
 return;
 }
 
 const int screenX = CAST_S32(mPos.x) + offsetX;
 const int screenY = CAST_S32(mPos.y) - CAST_S32(mPos.z)
 + offsetY;
 
 float alpha = mAlpha * 255.0F;
 
 if ((mFadeOut != 0) && mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut)
 {
 alpha *= static_cast<float>(mLifetimeLeft)
 / static_cast<float>(mFadeOut);
 }
 
 if ((mFadeIn != 0) && mLifetimePast < mFadeIn)
 {
 alpha *= static_cast<float>(mLifetimePast)
 / static_cast<float>(mFadeIn);
 }
 
 Color color = *mColor;
 color.a = CAST_U32(alpha);
 
 graphics->setColor(color);
 if (mOutline)
 {
 const Color &restrict color2 = theme->getColor(ThemeColorId::OUTLINE,
 CAST_S32(alpha));
 mTextFont->drawString(graphics,
 color, color2,
 mText,
 screenX - mTextWidth, screenY);
 }
 else
 {
 mTextFont->drawString(graphics,
 color, color,
 mText, screenX - mTextWidth, screenY);
 }
 BLOCK_END("TextParticle::draw")
}