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-rw-r--r--src/imageparticle.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/imageparticle.cpp b/src/imageparticle.cpp
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+++ b/src/imageparticle.cpp
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+/*
+ * 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
+ *
+ * $Id$
+ */
+
+#include "imageparticle.h"
+
+#include "graphics.h"
+
+#include "resources/image.h"
+
+ImageParticle::ImageParticle(Map *map, Image *image):
+ Particle(map),
+ mImage(image)
+{
+ mImage->incRef();
+}
+
+ImageParticle::~ImageParticle()
+{
+ mImage->decRef();
+}
+
+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;
+
+ mImage->setAlpha(alphafactor);
+ graphics->drawImage(mImage, screenX, screenY);
+}