122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/*
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Moonfall Copyright (C) 2008 Alex Yatskov
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Pch.h"
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#include "AnimationManifest.h"
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#include "Animation.h"
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bool AnimationManifest::LoadManifest(const char* filename)
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{
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boost::shared_ptr<const Buffer> buffer = System::LoadFile(filename);
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if (!buffer)
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{
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TRACE_ERROR(boost::format("Cannot load animation manifest %s") % filename);
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return false;
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}
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TiXmlDocument document;
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if (!document.Parse(static_cast<const char*>(buffer->Get())))
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{
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TRACE_ERROR(boost::format("Cannot parse animation manifest %s") % filename);
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return false;
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}
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const TiXmlElement* rootElement = document.RootElement();
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if (rootElement == NULL || strcmp(rootElement->Value(), "Manifest") != 0)
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{
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return false;
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}
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for (const TiXmlElement* animationElement = rootElement->FirstChildElement(); animationElement != NULL; animationElement = animationElement->NextSiblingElement())
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{
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if (strcmp(animationElement->Value(), "Animation") != 0)
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{
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continue;
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}
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const char* alias = animationElement->Attribute("alias");
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if (alias == NULL)
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{
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TRACE_WARNING("Animation definition is missing required fields");
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continue;
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}
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if (m_manifest.find(alias) != m_manifest.end())
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{
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TRACE_WARNING(boost::format("Duplicate animation %s") % alias);
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continue;
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}
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float defaultDelay = 1;
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animationElement->QueryFloatAttribute("delay", &defaultDelay);
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AnimationEntry entry;
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for (const TiXmlElement* spriteElement = animationElement->FirstChildElement(); spriteElement != NULL; spriteElement = spriteElement->NextSiblingElement())
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{
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if (strcmp(spriteElement->Value(), "Frame") != 0)
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{
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continue;
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}
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const char* sprite = spriteElement->Attribute("sprite");
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if (sprite == NULL)
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{
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TRACE_WARNING("Animation frame definition is missing required fields");
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continue;
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}
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float delay = defaultDelay;
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spriteElement->QueryFloatAttribute("delay", &delay);
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entry.frames.push_back(AnimationFrame(sprite, delay));
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}
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m_manifest.insert(std::make_pair(alias, entry));
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}
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return true;
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}
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void AnimationManifest::ClearManifest()
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{
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m_manifest.clear();
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}
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boost::shared_ptr<Animation> AnimationManifest::LoadAnimation(const char* animationAlias) const
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{
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AnimationMap::const_iterator iter = m_manifest.find(animationAlias);
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if (iter == m_manifest.end())
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{
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TRACE_ERROR(boost::format("Cannot load animation %s") % animationAlias);
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return boost::shared_ptr<Animation>();
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}
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std::vector<Animation::Frame> frames;
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for (size_t i = 0; i < iter->second.frames.size(); ++i)
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{
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boost::shared_ptr<Sprite> sprite = System::LoadSprite(iter->second.frames[i].alias.c_str());
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if (!sprite)
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{
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return boost::shared_ptr<Animation>();
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}
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frames.push_back(Animation::Frame(sprite, iter->second.frames[i].delay));
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}
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return boost::shared_ptr<Animation>(new Animation(frames));
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}
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