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/* Copyright (C) 2016 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include <algorithm>
#include <vector>
#include "TerrainTextureManager.h"
#include "TerrainTextureEntry.h"
#include "TerrainProperties.h"
#include "lib/res/graphics/ogl_tex.h"
#include "lib/ogl.h"
#include "lib/timer.h"
#include "ps/CLogger.h"
#include "ps/Filesystem.h"
#include "ps/XML/Xeromyces.h"
#include <boost/algorithm/string.hpp>
CTerrainTextureManager::CTerrainTextureManager()
: m_LastGroupIndex(0)
{
if (!VfsDirectoryExists(L"art/terrains/"))
return;
if (!CXeromyces::AddValidator(g_VFS, "terrain", "art/terrains/terrain.rng"))
LOGERROR("CTerrainTextureManager: failed to load grammar file 'art/terrains/terrain.rng'");
if (!CXeromyces::AddValidator(g_VFS, "terrain_texture", "art/terrains/terrain_texture.rng"))
LOGERROR("CTerrainTextureManager: failed to load grammar file 'art/terrains/terrain_texture.rng'");
}
CTerrainTextureManager::~CTerrainTextureManager()
{
UnloadTerrainTextures();
for (std::pair<const VfsPath, TerrainAlpha>& ta : m_TerrainAlphas)
{
ogl_tex_free(ta.second.m_hCompositeAlphaMap);
ta.second.m_hCompositeAlphaMap = 0;
}
}
void CTerrainTextureManager::UnloadTerrainTextures()
{
for (CTerrainTextureEntry* const& te : m_TextureEntries)
delete te;
m_TextureEntries.clear();
for (const std::pair<CStr, CTerrainGroup*>& tg : m_TerrainGroups)
delete tg.second;
m_TerrainGroups.clear();
m_LastGroupIndex = 0;
}
CTerrainTextureEntry* CTerrainTextureManager::FindTexture(const CStr& tag_) const
{
CStr tag = tag_.BeforeLast("."); // Strip extension
for (CTerrainTextureEntry* const& te : m_TextureEntries)
if (te->GetTag() == tag)
return te;
LOGWARNING("CTerrainTextureManager: Couldn't find terrain %s", tag.c_str());
return 0;
}
CTerrainTextureEntry* CTerrainTextureManager::AddTexture(const CTerrainPropertiesPtr& props, const VfsPath& path)
{
CTerrainTextureEntry* entry = new CTerrainTextureEntry(props, path);
m_TextureEntries.push_back(entry);
return entry;
}
void CTerrainTextureManager::DeleteTexture(CTerrainTextureEntry* entry)
{
std::vector<CTerrainTextureEntry*>::iterator it = std::find(m_TextureEntries.begin(), m_TextureEntries.end(), entry);
if (it != m_TextureEntries.end())
m_TextureEntries.erase(it);
delete entry;
}
struct AddTextureCallbackData
{
CTerrainTextureManager* self;
CTerrainPropertiesPtr props;
};
static Status AddTextureDirCallback(const VfsPath& pathname, const uintptr_t cbData)
{
AddTextureCallbackData& data = *(AddTextureCallbackData*)cbData;
VfsPath path = pathname / L"terrains.xml";
if (!VfsFileExists(path))
LOGMESSAGE("'%s' does not exist. Using previous properties.", path.string8());
else
data.props = CTerrainProperties::FromXML(data.props, path);
return INFO::OK;
}
static Status AddTextureCallback(const VfsPath& pathname, const CFileInfo& UNUSED(fileInfo), const uintptr_t cbData)
{
AddTextureCallbackData& data = *(AddTextureCallbackData*)cbData;
if (pathname.Basename() != L"terrains")
data.self->AddTexture(data.props, pathname);
return INFO::OK;
}
int CTerrainTextureManager::LoadTerrainTextures()
{
AddTextureCallbackData data = {this, CTerrainPropertiesPtr(new CTerrainProperties(CTerrainPropertiesPtr()))};
vfs::ForEachFile(g_VFS, L"art/terrains/", AddTextureCallback, (uintptr_t)&data, L"*.xml", vfs::DIR_RECURSIVE, AddTextureDirCallback, (uintptr_t)&data);
return 0;
}
CTerrainGroup* CTerrainTextureManager::FindGroup(const CStr& name)
{
TerrainGroupMap::const_iterator it = m_TerrainGroups.find(name);
if (it != m_TerrainGroups.end())
return it->second;
else
return m_TerrainGroups[name] = new CTerrainGroup(name, ++m_LastGroupIndex);
}
void CTerrainGroup::AddTerrain(CTerrainTextureEntry* pTerrain)
{
m_Terrains.push_back(pTerrain);
}
void CTerrainGroup::RemoveTerrain(CTerrainTextureEntry* pTerrain)
{
std::vector<CTerrainTextureEntry*>::iterator it = find(m_Terrains.begin(), m_Terrains.end(), pTerrain);
if (it != m_Terrains.end())
m_Terrains.erase(it);
}
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