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Diffstat (limited to 'src/imageparticle.cpp')
-rw-r--r-- | src/imageparticle.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/imageparticle.cpp b/src/imageparticle.cpp new file mode 100644 index 000000000..d2195a533 --- /dev/null +++ b/src/imageparticle.cpp @@ -0,0 +1,91 @@ +/* + * The Mana Client + * Copyright (C) 2006-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * + * This file is part of The Mana 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 "imageparticle.h" + +#include "graphics.h" + +#include "resources/image.h" + +std::map<std::string, int> ImageParticle::imageParticleCountByName; + +ImageParticle::ImageParticle(Map *map, Image *image): + Particle(map), + mImage(image) +{ + if (mImage) + { + mImage->incRef(); + + std::string name = mImage->getIdPath(); + if (ImageParticle::imageParticleCountByName.find(name) + == ImageParticle::imageParticleCountByName.end()) + { + ImageParticle::imageParticleCountByName[name] = 1; + } + else + { + ImageParticle::imageParticleCountByName[name] ++; + } + } +} + +ImageParticle::~ImageParticle() +{ + if (mImage) + { + std::string name = mImage->getIdPath(); + if (ImageParticle::imageParticleCountByName[name] > 0) + ImageParticle::imageParticleCountByName[name] --; + + mImage->decRef(); + } +} + +bool ImageParticle::draw(Graphics *graphics, int offsetX, int offsetY) const +{ + if (!isAlive() || !mImage) + return false; + + int screenX = (int) mPos.x + offsetX - mImage->getWidth() / 2; + int screenY = (int) mPos.y - (int)mPos.z + + offsetY - mImage->getHeight() / 2; + + // Check if on screen + if (screenX + mImage->getWidth() < 0 || + screenX > graphics->getWidth() || + screenY + mImage->getHeight() < 0 || + screenY > graphics->getHeight()) + { + return false; + } + + float alphafactor = mAlpha; + + if (mFadeOut && mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut) + alphafactor *= (float) mLifetimeLeft / (float) mFadeOut; + + if (mFadeIn && mLifetimePast < mFadeIn) + alphafactor *= (float) mLifetimePast / (float) mFadeIn; + + mImage->setAlpha(alphafactor); + return graphics->drawImage(mImage, screenX, screenY); +} |