diff options
Diffstat (limited to 'src/imageparticle.cpp')
-rw-r--r-- | src/imageparticle.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/imageparticle.cpp b/src/imageparticle.cpp new file mode 100644 index 00000000..86e7e50f --- /dev/null +++ b/src/imageparticle.cpp @@ -0,0 +1,67 @@ +/* + * The Mana World + * Copyright 2006 The Mana World Development Team + * + * This file is part of The Mana World. + * + * The Mana World 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. + * + * The Mana World 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 The Mana World; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "imageparticle.h" + +#include "graphics.h" + +#include "resources/image.h" + +ImageParticle::ImageParticle(Map *map, Image *image): + Particle(map), + mImage(image) +{ +} + +void ImageParticle::draw(Graphics *graphics, int offsetX, int offsetY) const +{ + if (!mAlive) + return; + + int screenX = (int)mPosX + offsetX - mImage->getWidth()/2; + int screenY = (int)mPosY - int(mPosZ) + offsetY - mImage->getHeight()/2; + + // check if on screen + if (screenX + mImage->getWidth() < 0 || + screenX > graphics->getWidth() || + screenY + mImage->getHeight() < 0 || + screenY > graphics->getHeight()) + return; + + float alphafactor = 1.0f; + + if (mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut) + alphafactor *= ((float)mLifetimeLeft / (float)mFadeOut); + + if (mLifetimePast < mFadeIn) + alphafactor *= ((float)mLifetimePast / (float)mFadeIn); + + if (alphafactor < 1.0f) { + graphics->drawImageTransparent(mImage, + screenX, + screenY, + alphafactor + ); + } else { + graphics->drawImage(mImage, screenX, screenY); + } +} |