C++ XMBAttributeList::GetNamedItem方法代码示例

void CGUI::Xeromyces_ReadRepeat(XMBElement Element, CXeromyces* pFile, IGUIObject* pParent, std::vector<std::pair<CStr, CStr> >& NameSubst, boost::unordered_set<VfsPath>& Paths, u32 nesting_depth)
{
	#define ELMT(x) int elmt_##x = pFile->GetElementID(#x)
	#define ATTR(x) int attr_##x = pFile->GetAttributeID(#x)
	ELMT(object);
	ATTR(count);
	ATTR(var);

	XMBAttributeList attributes = Element.GetAttributes();

	int count = CStr(attributes.GetNamedItem(attr_count)).ToInt();
	CStr var("["+attributes.GetNamedItem(attr_var)+"]");
	if (var.size() < 3)
		var = "[n]";

	for (int n = 0; n < count; ++n)
	{
		NameSubst.emplace_back(var, "[" + CStr::FromInt(n) + "]");

		XERO_ITER_EL(Element, child)
		{
			if (child.GetNodeName() == elmt_object)
				Xeromyces_ReadObject(child, pFile, pParent, NameSubst, Paths, nesting_depth);
		}
		NameSubst.pop_back();
	}
}

// Reads Custom Color
void CGUI::Xeromyces_ReadColor(XMBElement Element, CXeromyces* pFile)
{
	// Read the color and stor in m_PreDefinedColors

	XMBAttributeList attributes = Element.GetAttributes();

	//IGUIObject* object = new CTooltip;
	CColor color;
	CStr name = attributes.GetNamedItem(pFile->GetAttributeID("name"));

	// Try parsing value 
	CStr value (Element.GetText());
	if (! value.empty())
	{
		// Try setting color to value
		if (!color.ParseString(value, 255.f))
		{
			LOGERROR(L"GUI: Unable to create custom color '%hs'. Invalid color syntax.", name.c_str());
		}
		else
		{
			// input color
			m_PreDefinedColors[name] = color;
		}
	}
}

void CGUI::Xeromyces_ReadRepeat(XMBElement Element, CXeromyces* pFile, IGUIObject *pParent, boost::unordered_set<VfsPath>& Paths)
{
	#define ELMT(x) int elmt_##x = pFile->GetElementID(#x)
	#define ATTR(x) int attr_##x = pFile->GetAttributeID(#x)
	ELMT(object);
	ATTR(count);

	XMBAttributeList attributes = Element.GetAttributes();

	int count = CStr(attributes.GetNamedItem(attr_count)).ToInt();

	for (int n = 0; n < count; ++n)
	{
		std::vector<std::pair<CStr, CStr> > subst;
		subst.push_back(std::make_pair(CStr("[n]"), "[" + CStr::FromInt(n) + "]"));

		XERO_ITER_EL(Element, child)
		{
			if (child.GetNodeName() == elmt_object)
			{
				Xeromyces_ReadObject(child, pFile, pParent, subst, Paths);
			}
		}
	}
}

void CGUI::Xeromyces_ReadColor(XMBElement Element, CXeromyces* pFile)
{
	XMBAttributeList attributes = Element.GetAttributes();

	CColor color;
	CStr name = attributes.GetNamedItem(pFile->GetAttributeID("name"));

	// Try parsing value
	CStr value(Element.GetText());
	if (value.empty())
		return;

	// Try setting color to value
	if (!color.ParseString(value))
	{
		LOGERROR("GUI: Unable to create custom color '%s'. Invalid color syntax.", name.c_str());
		return;
	}

	m_PreDefinedColors[name] = color;
}

void CGUI::Xeromyces_ReadObject(XMBElement Element, CXeromyces* pFile, IGUIObject *pParent, const std::vector<std::pair<CStr, CStr> >& NameSubst, boost::unordered_set<VfsPath>& Paths)
{
	ENSURE(pParent);
	int i;

	// Our object we are going to create
	IGUIObject *object = NULL;

	XMBAttributeList attributes = Element.GetAttributes();

	// Well first of all we need to determine the type
	CStr type (attributes.GetNamedItem(pFile->GetAttributeID("type")));
	if (type.empty())
		type = "empty";

	// Construct object from specified type
	//  henceforth, we need to do a rollback before aborting.
	//  i.e. releasing this object
	object = ConstructObject(type);

	if (!object)
	{
		// Report error that object was unsuccessfully loaded
		LOGERROR(L"GUI: Unrecognized object type \"%hs\"", type.c_str());
		return;
	}

	// Cache some IDs for element attribute names, to avoid string comparisons
	#define ELMT(x) int elmt_##x = pFile->GetElementID(#x)
	#define ATTR(x) int attr_##x = pFile->GetAttributeID(#x)
	ELMT(object);
	ELMT(action);
	ELMT(repeat);
	ATTR(style);
	ATTR(type);
	ATTR(name);
	ATTR(hotkey);
	ATTR(z);
	ATTR(on);
	ATTR(file);

	//
	//	Read Style and set defaults
	//
	//	If the setting "style" is set, try loading that setting.
	//
	//	Always load default (if it's available) first!
	//
	CStr argStyle (attributes.GetNamedItem(attr_style));

	if (m_Styles.count("default") == 1)
		object->LoadStyle(*this, "default");

	if (! argStyle.empty())
	{
		// additional check
		if (m_Styles.count(argStyle) == 0)
		{
			LOGERROR(L"GUI: Trying to use style '%hs' that doesn't exist.", argStyle.c_str());
		}
		else object->LoadStyle(*this, argStyle);
	}
	

	//
	//	Read Attributes
	//

	bool NameSet = false;
	bool ManuallySetZ = false; // if z has been manually set, this turn true

	CStr hotkeyTag;

	// Now we can iterate all attributes and store
	for (i=0; i<attributes.Count; ++i)
	{
		XMBAttribute attr = attributes.Item(i);

		// If value is "null", then it is equivalent as never being entered
		if (CStr(attr.Value) == "null")
			continue;

		// Ignore "type" and "style", we've already checked it
		if (attr.Name == attr_type || attr.Name == attr_style)
			continue;

		// Also the name needs some special attention
		if (attr.Name == attr_name)
		{
			CStr name (attr.Value);

			// Apply the requested substitutions
			for (size_t j = 0; j < NameSubst.size(); ++j)
				name.Replace(NameSubst[j].first, NameSubst[j].second);

			object->SetName(name);
			NameSet = true;
			continue;
		}

//.........这里部分代码省略.........

CMaterial CMaterialManager::LoadMaterial(const VfsPath& pathname)
{
	if (pathname.empty())
		return CMaterial();

	std::map<VfsPath, CMaterial>::iterator iter = m_Materials.find(pathname);
	if (iter != m_Materials.end())
		return iter->second;

	CXeromyces xeroFile;
	if (xeroFile.Load(g_VFS, pathname, "material") != PSRETURN_OK)
		return CMaterial();

	#define EL(x) int el_##x = xeroFile.GetElementID(#x)
	#define AT(x) int at_##x = xeroFile.GetAttributeID(#x)
	EL(alpha_blending);
	EL(alternative);
	EL(define);
	EL(shader);
	EL(uniform);
	EL(renderquery);
	EL(required_texture);
	EL(conditional_define);
	AT(effect);
	AT(if);
	AT(define);
	AT(quality);
	AT(material);
	AT(name);
	AT(value);
	AT(type);
	AT(min);
	AT(max);
	AT(conf);
	#undef AT
	#undef EL

	CMaterial material;

	XMBElement root = xeroFile.GetRoot();

	CPreprocessorWrapper preprocessor;
	preprocessor.AddDefine("CFG_FORCE_ALPHATEST", g_Renderer.m_Options.m_ForceAlphaTest ? "1" : "0");

	CVector4D vec(qualityLevel,0,0,0);
	material.AddStaticUniform("qualityLevel", vec);

	XERO_ITER_EL(root, node)
	{
		int token = node.GetNodeName();
		XMBAttributeList attrs = node.GetAttributes();
		if (token == el_alternative)
		{
			CStr cond = attrs.GetNamedItem(at_if);
			if (cond.empty() || !preprocessor.TestConditional(cond))
			{
				cond = attrs.GetNamedItem(at_quality);
				if (cond.empty())
					continue;
				else
				{
					if (cond.ToFloat() <= qualityLevel)
						continue;
				}
			}

			material = LoadMaterial(VfsPath("art/materials") / attrs.GetNamedItem(at_material).FromUTF8());
			break;
		}
		else if (token == el_alpha_blending)
		{
			material.SetUsesAlphaBlending(true);
		}
		else if (token == el_shader)
		{
			material.SetShaderEffect(attrs.GetNamedItem(at_effect));
		}
		else if (token == el_define)
		{
			material.AddShaderDefine(CStrIntern(attrs.GetNamedItem(at_name)), CStrIntern(attrs.GetNamedItem(at_value)));
		}
		else if (token == el_conditional_define)
		{
			std::vector<float> args;

			CStr type = attrs.GetNamedItem(at_type).c_str();
			int typeID = -1;

			if (type == CStr("draw_range"))
			{
				typeID = DCOND_DISTANCE;

				float valmin = -1.0f;
				float valmax = -1.0f;

				CStr conf = attrs.GetNamedItem(at_conf);
				if (!conf.empty())
				{
					CFG_GET_VAL("materialmgr." + conf + ".min", valmin);
					CFG_GET_VAL("materialmgr." + conf + ".max", valmax);
//.........这里部分代码省略.........

CMaterial& CMaterialManager::LoadMaterial(const VfsPath& pathname)
{
	if(pathname.empty())
		return NullMaterial;

	std::map<VfsPath, CMaterial*>::iterator iter = m_Materials.find(pathname);
	if(iter != m_Materials.end())
	{
		if((*iter).second)
			return *(*iter).second;
	}

	CXeromyces xeroFile;
	if(xeroFile.Load(g_VFS, pathname) != PSRETURN_OK)
		return NullMaterial;

	#define EL(x) int el_##x = xeroFile.GetElementID(#x)
	#define AT(x) int at_##x = xeroFile.GetAttributeID(#x)
	EL(texture);
	EL(alpha);
	AT(usage);
	#undef AT
	#undef EL

	CMaterial *material = NULL;
	try
	{
		XMBElement root = xeroFile.GetRoot();
		XMBElementList childNodes = root.GetChildNodes();
		material = new CMaterial();

		for(int i = 0; i < childNodes.Count; i++)
		{
			XMBElement node = childNodes.Item(i);
			int token = node.GetNodeName();
			XMBAttributeList attrs = node.GetAttributes();
			CStr temp;
			if(token == el_texture)
			{
				CStr value(node.GetText());
				material->SetTexture(value);
			}
			else if(token == el_alpha)
			{
				temp = CStr(attrs.GetNamedItem(at_usage));

				// Determine whether the alpha is used for basic transparency or player color
				if (temp == "playercolor")
					material->SetUsePlayerColor(true);
				else if (temp == "objectcolor")
					material->SetUseTextureColor(true);
				else
					material->SetUsesAlpha(ParseUsage(temp));
			}
		}

		m_Materials[pathname] = material;
	}
	catch(...)
	{
		SAFE_DELETE(material);
		throw;
	}

	return *material;
}

void CGUI::Xeromyces_ReadObject(XMBElement Element, CXeromyces* pFile, IGUIObject* pParent, std::vector<std::pair<CStr, CStr> >& NameSubst, boost::unordered_set<VfsPath>& Paths, u32 nesting_depth)
{
	ENSURE(pParent);

	XMBAttributeList attributes = Element.GetAttributes();

	CStr type(attributes.GetNamedItem(pFile->GetAttributeID("type")));
	if (type.empty())
		type = "empty";

	// Construct object from specified type
	//  henceforth, we need to do a rollback before aborting.
	//  i.e. releasing this object
	IGUIObject* object = ConstructObject(type);

	if (!object)
	{
		LOGERROR("GUI: Unrecognized object type \"%s\"", type.c_str());
		return;
	}

	// Cache some IDs for element attribute names, to avoid string comparisons
	#define ELMT(x) int elmt_##x = pFile->GetElementID(#x)
	#define ATTR(x) int attr_##x = pFile->GetAttributeID(#x)
	ELMT(object);
	ELMT(action);
	ELMT(repeat);
	ELMT(translatableAttribute);
	ELMT(translate);
	ELMT(attribute);
	ELMT(keep);
	ELMT(include);
	ATTR(style);
	ATTR(type);
	ATTR(name);
	ATTR(hotkey);
	ATTR(z);
	ATTR(on);
	ATTR(file);
	ATTR(directory);
	ATTR(id);
	ATTR(context);

	//
	//	Read Style and set defaults
	//
	//	If the setting "style" is set, try loading that setting.
	//
	//	Always load default (if it's available) first!
	//
	CStr argStyle(attributes.GetNamedItem(attr_style));

	if (m_Styles.count("default") == 1)
		object->LoadStyle(*this, "default");

	if (!argStyle.empty())
	{
		if (m_Styles.count(argStyle) == 0)
			LOGERROR("GUI: Trying to use style '%s' that doesn't exist.", argStyle.c_str());
		else
			object->LoadStyle(*this, argStyle);
	}

	bool NameSet = false;
	bool ManuallySetZ = false;

	CStrW inclusionPath;
	CStr hotkeyTag;

	for (XMBAttribute attr : attributes)
	{
		// If value is "null", then it is equivalent as never being entered
		if (CStr(attr.Value) == "null")
			continue;

		// Ignore "type" and "style", we've already checked it
		if (attr.Name == attr_type || attr.Name == attr_style)
			continue;

		if (attr.Name == attr_name)
		{
			CStr name(attr.Value);

			for (const std::pair<CStr, CStr>& sub : NameSubst)
				name.Replace(sub.first, sub.second);

			object->SetName(name);
			NameSet = true;
			continue;
		}

		if (attr.Name == attr_hotkey)
			hotkeyTag = attr.Value;

		if (attr.Name == attr_z)
			ManuallySetZ = true;

		if (object->SetSetting(pFile->GetAttributeString(attr.Name), attr.Value.FromUTF8(), true) != PSRETURN_OK)
			LOGERROR("GUI: (object: %s) Can't set \"%s\" to \"%s\"", object->GetPresentableName(), pFile->GetAttributeString(attr.Name), attr.Value);
	}
//.........这里部分代码省略.........