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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/simpleanimation.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/simpleanimation.cpp')
-rw-r--r--src/simpleanimation.cpp212
1 files changed, 212 insertions, 0 deletions
diff --git a/src/simpleanimation.cpp b/src/simpleanimation.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 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 "simpleanimation.h"
+
+#include "graphics.h"
+#include "log.h"
+
+#include "utils/stringutils.h"
+
+#include "resources/animation.h"
+#include "resources/image.h"
+#include "resources/imageset.h"
+#include "resources/resourcemanager.h"
+
+SimpleAnimation::SimpleAnimation(Animation *animation):
+ mAnimation(animation),
+ mAnimationTime(0),
+ mAnimationPhase(0),
+ mCurrentFrame(mAnimation->getFrame(0)),
+ mInitialized(true)
+{
+}
+
+SimpleAnimation::SimpleAnimation(xmlNodePtr animationNode):
+ mAnimation(new Animation),
+ mAnimationTime(0),
+ mAnimationPhase(0),
+ mInitialized(false)
+{
+ initializeAnimation(animationNode);
+ if (mAnimation)
+ mCurrentFrame = mAnimation->getFrame(0);
+ else
+ mCurrentFrame = 0;
+}
+
+SimpleAnimation::~SimpleAnimation()
+{
+ delete mAnimation;
+ mAnimation = 0;
+}
+
+bool SimpleAnimation::draw(Graphics *graphics, int posX, int posY) const
+{
+ if (!mCurrentFrame || !mCurrentFrame->image)
+ return false;
+
+ return graphics->drawImage(mCurrentFrame->image,
+ posX + mCurrentFrame->offsetX,
+ posY + mCurrentFrame->offsetY);
+}
+
+void SimpleAnimation::reset()
+{
+ mAnimationTime = 0;
+ mAnimationPhase = 0;
+}
+
+void SimpleAnimation::setFrame(int frame)
+{
+ if (!mAnimation)
+ return;
+
+ if (frame < 0)
+ frame = 0;
+ if ((unsigned)frame >= mAnimation->getLength())
+ frame = mAnimation->getLength() - 1;
+ mAnimationPhase = frame;
+ mCurrentFrame = mAnimation->getFrame(mAnimationPhase);
+}
+
+void SimpleAnimation::update(int timePassed)
+{
+ if (!mCurrentFrame || !mAnimation)
+ return;
+
+ if (mInitialized && mAnimation)
+ {
+ mAnimationTime += timePassed;
+
+ while (mAnimationTime > mCurrentFrame->delay
+ && mCurrentFrame->delay > 0)
+ {
+ mAnimationTime -= mCurrentFrame->delay;
+ mAnimationPhase++;
+
+ if ((unsigned)mAnimationPhase >= mAnimation->getLength())
+ mAnimationPhase = 0;
+
+ mCurrentFrame = mAnimation->getFrame(mAnimationPhase);
+ }
+ }
+
+}
+
+int SimpleAnimation::getLength() const
+{
+ if (!mAnimation)
+ return 0;
+
+ return mAnimation->getLength();
+}
+
+Image *SimpleAnimation::getCurrentImage() const
+{
+ if (mCurrentFrame)
+ return mCurrentFrame->image;
+ else
+ return NULL;
+}
+
+void SimpleAnimation::initializeAnimation(xmlNodePtr animationNode)
+{
+ mInitialized = false;
+
+ if (!animationNode)
+ return;
+
+ ImageSet *imageset = ResourceManager::getInstance()->getImageSet(
+ XML::getProperty(animationNode, "imageset", ""),
+ XML::getProperty(animationNode, "width", 0),
+ XML::getProperty(animationNode, "height", 0)
+ );
+
+ if (!imageset)
+ return;
+
+ // Get animation frames
+ for (xmlNodePtr frameNode = animationNode->xmlChildrenNode;
+ frameNode; frameNode = frameNode->next)
+ {
+ int delay = XML::getProperty(frameNode, "delay", 0);
+ int offsetX = XML::getProperty(frameNode, "offsetX", 0);
+ int offsetY = XML::getProperty(frameNode, "offsetY", 0);
+ offsetY -= imageset->getHeight() - 32;
+ offsetX -= imageset->getWidth() / 2 - 16;
+
+ if (xmlStrEqual(frameNode->name, BAD_CAST "frame"))
+ {
+ int index = XML::getProperty(frameNode, "index", -1);
+
+ if (index < 0)
+ {
+ logger->log1("No valid value for 'index'");
+ continue;
+ }
+
+ Image *img = imageset->get(index);
+
+ if (!img)
+ {
+ logger->log("No image at index %d", index);
+ continue;
+ }
+
+ if (mAnimation)
+ mAnimation->addFrame(img, delay, offsetX, offsetY);
+ }
+ else if (xmlStrEqual(frameNode->name, BAD_CAST "sequence"))
+ {
+ int start = XML::getProperty(frameNode, "start", -1);
+ int end = XML::getProperty(frameNode, "end", -1);
+
+ if (start < 0 || end < 0)
+ {
+ logger->log1("No valid value for 'start' or 'end'");
+ continue;
+ }
+
+ while (end >= start)
+ {
+ Image *img = imageset->get(start);
+
+ if (!img)
+ {
+ logger->log("No image at index %d", start);
+ continue;
+ }
+
+ if (mAnimation)
+ mAnimation->addFrame(img, delay, offsetX, offsetY);
+ start++;
+ }
+ }
+ else if (xmlStrEqual(frameNode->name, BAD_CAST "end"))
+ {
+ if (mAnimation)
+ mAnimation->addTerminator();
+ }
+ }
+
+ mInitialized = true;
+}