Initial structure

2015-09-04 10:02:06 +02:00
commit 98e363eda6
457 changed files with 127943 additions and 0 deletions
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+/*
+	This file is part of Daydream Engine.
+	Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
+	
+	Daydream Engine is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	Daydream Engine 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 Lesser General Public License for more details.
+	
+	You should have received a copy of the GNU Lesser General Public License
+	along with Daydream Engine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "PrecompiledHeader.h"
+#include "Core/ResourceManager.h"
+
+std::unordered_map<std::string, std::function<dd::Resource*(std::string)>> dd::ResourceManager::m_FactoryFunctions;
+std::unordered_map<std::pair<std::string, std::string>, dd::Resource*> dd::ResourceManager::m_ResourceCache;
+std::unordered_map<std::string, dd::Resource*> dd::ResourceManager::m_ResourceFromName;
+std::unordered_map<dd::Resource*, dd::Resource*> dd::ResourceManager::m_ResourceParents;
+unsigned int dd::ResourceManager::m_CurrentResourceTypeID = 0;
+std::unordered_map<std::string, unsigned int> dd::ResourceManager::m_ResourceTypeIDs;
+std::unordered_map<unsigned int, unsigned int> dd::ResourceManager::m_ResourceCount;
+bool dd::ResourceManager::m_Preloading = false;
+dd::FileWatcher dd::ResourceManager::m_FileWatcher;
+
+unsigned int dd::ResourceManager::GetTypeID(std::string resourceType)
+{
+	if (m_ResourceTypeIDs.find(resourceType) == m_ResourceTypeIDs.end())
+	{
+		m_ResourceTypeIDs[resourceType] = m_CurrentResourceTypeID++;
+	}
+	return m_ResourceTypeIDs[resourceType];
+}
+
+
+void dd::ResourceManager::Reload(std::string resourceName)
+{
+	auto it = m_ResourceFromName.find(resourceName);
+	if (it != m_ResourceFromName.end()) {
+		LOG_INFO("Reloading resource \"%s\"", resourceName.c_str());
+		Resource* resource = it->second;
+		resource->Reload();
+
+		// Notify parent
+		auto it2 = m_ResourceParents.find(resource);
+		if (it2 != m_ResourceParents.end())
+		{
+			it2->second->OnChildReloaded(resource);
+		}
+	}
+}
+
+unsigned int dd::ResourceManager::GetNewResourceID(unsigned int typeID)
+{
+	return m_ResourceCount[typeID]++;
+}
+
+bool dd::ResourceManager::IsResourceLoaded(std::string resourceType, std::string resourceName)
+{
+	return m_ResourceCache.find(std::make_pair(resourceType, resourceName)) != m_ResourceCache.end();
+}
+
+void dd::ResourceManager::fileWatcherCallback(std::string path, FileWatcher::FileEventFlags flags)
+{
+	if (flags & FileWatcher::FileEventFlags::SizeChanged
+		|| flags & FileWatcher::FileEventFlags::TimestampChanged)
+	{
+		auto it = m_ResourceFromName.find(path);
+		if (it != m_ResourceFromName.end())
+		{
+			Reload(path);
+		}
+	}
+}
+
+void dd::ResourceManager::Update()
+{
+	m_FileWatcher.Check();
+}