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Diffstat (limited to 'src/particle/imageparticle.cpp')
-rw-r--r-- | src/particle/imageparticle.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/particle/imageparticle.cpp b/src/particle/imageparticle.cpp new file mode 100644 index 000000000..b8fd5bc94 --- /dev/null +++ b/src/particle/imageparticle.cpp @@ -0,0 +1,110 @@ +/* + * The ManaPlus Client + * Copyright (C) 2006-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2013 The ManaPlus Developers + * + * 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/imageparticle.h" + +#include "logger.h" + +#include "render/graphics.h" + +#include "resources/image.h" + +#include "debug.h" + +std::map<std::string, int> ImageParticle::imageParticleCountByName; + +ImageParticle::ImageParticle(Map *const map, Image *const image): + Particle(map), + mImage(image) +{ + if (mImage) + { + mImage->incRef(); + + const std::string &name = mImage->getIdPath(); + std::map<std::string, int>::iterator it + = ImageParticle::imageParticleCountByName.find(name); + if (it == ImageParticle::imageParticleCountByName.end()) + ImageParticle::imageParticleCountByName[name] = 1; + else + (*it).second ++; + } +} + +ImageParticle::~ImageParticle() +{ + if (mImage) + { + const std::string &name = mImage->getIdPath(); + std::map<std::string, int>::iterator it + = ImageParticle::imageParticleCountByName.find(name); + if (it != ImageParticle::imageParticleCountByName.end()) + { + int &cnt = (*it).second; + if (cnt > 0) + cnt --; + } + + mImage->decRef(); + mImage = nullptr; + } + setMap(nullptr); +} + +bool ImageParticle::draw(Graphics *const graphics, + const int offsetX, const int offsetY) const +{ + FUNC_BLOCK("ImageParticle::draw", 1) + if (mAlive != ALIVE || !mImage) + return false; + + const int screenX = static_cast<int>(mPos.x) + + offsetX - mImage->mBounds.w / 2; + const int screenY = static_cast<int>(mPos.y) - static_cast<int>(mPos.z) + + offsetY - mImage->mBounds.h / 2; + + // Check if on screen + if (screenX + mImage->mBounds.w < 0 || + screenX > graphics->mWidth || + screenY + mImage->mBounds.h < 0 || + screenY > graphics->mHeight) + { + return false; + } + + float alphafactor = mAlpha; + + if (mFadeOut && mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut) + { + alphafactor *= static_cast<float>(mLifetimeLeft) + / static_cast<float>(mFadeOut); + } + + if (mFadeIn && mLifetimePast < mFadeIn) + { + alphafactor *= static_cast<float>(mLifetimePast) + / static_cast<float>(mFadeIn); + } + + mImage->setAlpha(alphafactor); + return graphics->drawImage(mImage, screenX, screenY); +} |