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/* Copyright (C) 2015 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 "TerrainProperties.h"
#include <string>
#include <vector>
#include <boost/tokenizer.hpp>
#include "TerrainTextureManager.h"
#include "maths/MathUtil.h"
#include "ps/CLogger.h"
#include "ps/Filesystem.h"
#include "ps/Shapes.h"
#include "ps/XML/XeroXMB.h"
#include "ps/XML/Xeromyces.h"
CTerrainProperties::CTerrainProperties(CTerrainPropertiesPtr parent):
m_pParent(parent),
m_BaseColor(0),
m_HasBaseColor(false),
m_TextureAngle((float)M_PI / 4.f),
m_TextureSize(32.f),
m_MovementClass("default")
{
if (m_pParent)
m_Groups = m_pParent->m_Groups;
}
CTerrainPropertiesPtr CTerrainProperties::FromXML(const CTerrainPropertiesPtr& parent, const VfsPath& pathname)
{
CXeromyces XeroFile;
if (XeroFile.Load(g_VFS, pathname, "terrain") != PSRETURN_OK)
return CTerrainPropertiesPtr();
XMBElement root = XeroFile.GetRoot();
CStr rootName = XeroFile.GetElementString(root.GetNodeName());
// Check that we've got the right kind of xml document
if (rootName != "Terrains")
{
LOGERROR("TerrainProperties: Loading %s: Root node is not terrains (found \"%s\")",
pathname.string8(),
rootName);
return CTerrainPropertiesPtr();
}
#define ELMT(x) int el_##x = XeroFile.GetElementID(#x)
ELMT(terrain);
#undef ELMT
// Ignore all non-terrain nodes, loading the first terrain node and
// returning it.
// Really, we only expect there to be one child and it to be of the right
// type, though.
XERO_ITER_EL(root, child)
{
if (child.GetNodeName() == el_terrain)
{
CTerrainPropertiesPtr ret (new CTerrainProperties(parent));
ret->LoadXml(child, &XeroFile, pathname);
return ret;
}
else
{
LOGWARNING("TerrainProperties: Loading %s: Unexpected node %s\n",
pathname.string8(),
XeroFile.GetElementString(child.GetNodeName()));
// Keep reading - typos shouldn't be showstoppers
}
}
return CTerrainPropertiesPtr();
}
void CTerrainProperties::LoadXml(XMBElement node, CXeromyces *pFile, const VfsPath& UNUSED(pathname))
{
#define ELMT(x) int elmt_##x = pFile->GetElementID(#x)
#define ATTR(x) int attr_##x = pFile->GetAttributeID(#x)
// Terrain Attribs
ATTR(mmap);
ATTR(groups);
ATTR(movementclass);
ATTR(angle);
ATTR(size);
#undef ELMT
#undef ATTR
XERO_ITER_ATTR(node, attr)
{
if (attr.Name == attr_groups)
{
// Parse a comma-separated list of groups, add the new entry to
// each of them
m_Groups.clear();
boost::char_separator<char> sep(", ");
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
tokenizer tok(attr.Value, sep);
for(tokenizer::iterator it = tok.begin(); it != tok.end(); ++it)
m_Groups.push_back(g_TexMan.FindGroup(*it));
}
else if (attr.Name == attr_mmap)
{
CColor col;
if (!col.ParseString(attr.Value, 255))
continue;
// m_BaseColor is BGRA
u8 *baseColor = (u8*)&m_BaseColor;
baseColor[0] = (u8)(col.b*255);
baseColor[1] = (u8)(col.g*255);
baseColor[2] = (u8)(col.r*255);
baseColor[3] = (u8)(col.a*255);
m_HasBaseColor = true;
}
else if (attr.Name == attr_angle)
{
m_TextureAngle = DEGTORAD(attr.Value.ToFloat());
}
else if (attr.Name == attr_size)
{
m_TextureSize = attr.Value.ToFloat();
}
else if (attr.Name == attr_movementclass)
{
m_MovementClass = attr.Value;
}
}
}
bool CTerrainProperties::HasBaseColor()
{
return m_HasBaseColor || (m_pParent && m_pParent->HasBaseColor());
}
u32 CTerrainProperties::GetBaseColor()
{
if (m_HasBaseColor || !m_pParent)
return m_BaseColor;
else if (m_pParent)
return m_pParent->GetBaseColor();
else
// White, full opacity.. but this value shouldn't ever be used
return 0xFFFFFFFF;
}
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