From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 2 Jan 2011 01:48:38 +0200
Subject: Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.
---
 src/imageparticle.cpp | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/imageparticle.cpp

(limited to 'src/imageparticle.cpp')

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);
+}
-- 
cgit v1.2.3-60-g2f50