forked from 0ad/0ad
janwas
8a52113e60
please note: format strings must be %hs for char* arguments and %ls for wchar_t* This was SVN commit r7161.
510 lines
18 KiB
C++
510 lines
18 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "EntityTemplate.h"
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#include "EntityTemplateCollection.h"
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#include "graphics/ObjectManager.h"
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#include "ps/CStr.h"
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#include "ps/Player.h"
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#include "scripting/ScriptableComplex.inl"
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#include "ps/XML/Xeromyces.h"
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#include "sound/SoundGroupMgr.h"
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#include "ps/CLogger.h"
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#define LOG_CATEGORY L"entity"
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STL_HASH_SET<CStr, CStr_hash_compare> CEntityTemplate::scriptsLoaded;
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// Utility functions used in reading XML
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namespace {
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/**
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* Converts the given string, consisting of underscores and letters,
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* to camelCase: the first letter of each underscore-separated "word"
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* is changed to lowercase. For example, the string MiniMap_Colour
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* is converted to miniMap_colour.
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*
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* @param const std::string & str The string to convert.
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* @return std::string The given string in camelCase.
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**/
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std::string toCamelCase( const std::string& str )
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{
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std::string ret = str;
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for( size_t i=0; i<ret.size(); i++ )
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{
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if( i==0 || ret[i-1] == '_' )
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{
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ret[i] = tolower( ret[i] );
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}
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}
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return ret;
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}
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}
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CEntityTemplate::CEntityTemplate( CPlayer* player )
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{
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m_player = player;
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m_base = NULL;
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AddProperty( L"tag", &m_Tag, false );
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AddProperty( L"parent", &m_base, false );
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AddProperty( L"unmodified", &m_unmodified, false );
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for( int t = 0; t < EVENT_LAST; t++ )
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{
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AddProperty( EventNames[t], &m_EventHandlers[t], false );
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AddHandler( t, &m_EventHandlers[t] );
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}
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// Initialize, make life a little easier on the scriptors
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m_speed = m_turningRadius = 0.0f;
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//m_extant = true;
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m_foundation = CStrW();
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m_socket = CStrW();
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m_passThroughAllies = false;
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m_sectorDivs = 4;
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// Sentinel values for stamina and health (so scripts can check if an entity has no stamina or no HP).
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m_speed = 0;
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m_staminaMax = 0;
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m_healthMax = 0;
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m_bound_type = CBoundingObject::BOUND_NONE;
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m_bound_circle = NULL;
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m_bound_box = NULL;
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// If these aren't set, we can get an infinite loop in CEntity::interpolate, which is nasty; they
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// should be set in template_entity, but do this in case some entity forgets to inherit from that
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m_anchorConformX = 0;
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m_anchorConformZ = 0;
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}
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CEntityTemplate::~CEntityTemplate()
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{
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if( m_bound_box )
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delete( m_bound_box );
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if( m_bound_circle )
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delete( m_bound_circle );
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}
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void CEntityTemplate::LoadBase()
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{
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// Copy the parent's bounds, unless we're providing a replacement.
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if( m_bound_type == CBoundingObject::BOUND_NONE )
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{
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if( m_base->m_bound_type == CBoundingObject::BOUND_CIRCLE )
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{
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m_bound_circle = new CBoundingCircle();
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m_bound_circle->SetRadius( m_base->m_bound_circle->m_radius );
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m_bound_circle->SetHeight( m_base->m_bound_circle->m_height );
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}
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else if( m_base->m_bound_type == CBoundingObject::BOUND_OABB )
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{
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m_bound_box = new CBoundingBox();
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m_bound_box->SetDimensions( m_base->m_bound_box->GetWidth(), m_base->m_bound_box->GetDepth() );
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m_bound_box->SetHeight( m_base->m_bound_box->m_height );
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}
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m_bound_type = m_base->m_bound_type;
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}
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// Initialize sound group table from the parent's sound group table
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for(SoundGroupTable::iterator it = m_base->m_SoundGroupTable.begin();
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it != m_base->m_SoundGroupTable.end(); ++it)
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{
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m_SoundGroupTable[it->first] = it->second;
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}
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SetBase( m_base );
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m_classes.SetParent( &( m_base->m_classes ) );
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SetNextObject( m_base );
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}
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jsval CEntityTemplate::GetClassSet()
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{
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CStrW result = m_classes.GetMemberList();
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return( ToJSVal( result ) );
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}
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void CEntityTemplate::SetClassSet( jsval value )
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{
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CStr memberCmdList = ToPrimitive<CStrW>( value );
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m_classes.SetFromMemberList(memberCmdList);
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RebuildClassSet();
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}
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void CEntityTemplate::RebuildClassSet()
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{
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m_classes.Rebuild();
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InheritorsList::iterator it;
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for( it = m_Inheritors.begin(); it != m_Inheritors.end(); it++ )
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(*it)->RebuildClassSet();
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}
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bool CEntityTemplate::LoadXml( const VfsPath& pathname )
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{
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CXeromyces XeroFile;
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if (XeroFile.Load(pathname) != PSRETURN_OK)
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// Fail
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return false;
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// Define all the elements and attributes used in the XML file
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#define EL(x) int el_##x = XeroFile.GetElementID(#x)
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#define AT(x) int at_##x = XeroFile.GetAttributeID(#x)
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// Only the ones we can't load using normal methods.
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EL(Entity);
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EL(Script);
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EL(Event);
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EL(Traits);
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EL(Footprint);
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EL(Depth);
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EL(Height);
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EL(Radius);
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EL(Width);
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EL(SoundGroups);
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AT(Parent);
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AT(On);
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AT(File);
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AT(Function);
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#undef AT
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#undef EL
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XMBElement Root = XeroFile.GetRoot();
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if( Root.GetNodeName() != el_Entity )
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{
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LOG(CLogger::Error, LOG_CATEGORY, L"CEntityTemplate::LoadXml: XML root was not \"Entity\" in file %ls. Load failed.", pathname.string().c_str() );
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return( false );
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}
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XMBElementList RootChildren = Root.GetChildNodes();
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m_Tag = CStr(pathname.string()).AfterLast("/").BeforeLast(".xml");
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m_Base_Name = Root.GetAttributes().GetNamedItem( at_Parent );
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// Load our parent, if we have one
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if( ! m_Base_Name.empty() )
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{
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CEntityTemplate* base = g_EntityTemplateCollection.GetTemplate( m_Base_Name, m_player );
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if( base )
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{
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m_base = base;
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LoadBase();
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}
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else
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{
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LOG(CLogger::Warning, LOG_CATEGORY, L"Parent template \"%ls\" does not exist in template \"%ls\"", m_Base_Name.c_str(), m_Tag.c_str() );
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// (The requested entity will still be returned, but with no parent.
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// Is this a reasonable thing to do?)
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}
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}
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for (int i = 0; i < RootChildren.Count; ++i)
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{
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XMBElement Child = RootChildren.Item(i);
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int ChildName = Child.GetNodeName();
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if( ChildName == el_Script )
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{
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CStr Include = Child.GetAttributes().GetNamedItem( at_File );
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if( !Include.empty() && scriptsLoaded.find( Include ) == scriptsLoaded.end() )
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{
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scriptsLoaded.insert( Include );
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g_ScriptingHost.RunScript( CStrW(Include) );
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}
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CStr Inline = Child.GetText();
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if( !Inline.empty() )
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{
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CStr pathname_c = CStr(pathname.string());
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g_ScriptingHost.RunMemScript( Inline.c_str(), Inline.length(), pathname_c.c_str(), Child.GetLineNumber() );
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}
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}
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else if (ChildName == el_Traits)
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{
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XMBElementList TraitChildren = Child.GetChildNodes();
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for(int j = 0; j < TraitChildren.Count; ++j)
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{
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XMBElement TraitChild = TraitChildren.Item(j);
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int TraitChildName = TraitChild.GetNodeName();
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if( TraitChildName == el_Footprint )
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{
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XMBElementList FootprintChildren = TraitChild.GetChildNodes();
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float radius=0, height=0, width=0, depth=0;
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bool hadRadius = false, hadDepth = false;
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for(int k = 0; k < FootprintChildren.Count; ++k)
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{
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XMBElement FootprintChild = FootprintChildren.Item(k);
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int FootprintChildName = FootprintChild.GetNodeName();
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if( FootprintChildName == el_Radius )
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{
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hadRadius = true;
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radius = CStrW( FootprintChild.GetText() ).ToFloat();
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}
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else if( FootprintChildName == el_Width )
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{
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width = CStrW( FootprintChild.GetText() ).ToFloat();
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}
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else if( FootprintChildName == el_Height )
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{
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height = CStrW( FootprintChild.GetText() ).ToFloat();
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}
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else if( FootprintChildName == el_Depth )
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{
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hadDepth = true;
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depth = CStrW( FootprintChild.GetText() ).ToFloat();
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}
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}
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if( hadRadius )
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{
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// Specifying a circular footprint
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if( !m_bound_circle )
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m_bound_circle = new CBoundingCircle();
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m_bound_circle->SetRadius( radius );
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m_bound_circle->SetHeight( height );
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m_bound_type = CBoundingObject::BOUND_CIRCLE;
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}
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else if( hadDepth )
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{
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// Specifying a rectangular footprint
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if( !m_bound_box )
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m_bound_box = new CBoundingBox();
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m_bound_box->SetDimensions( width, depth );
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m_bound_box->SetHeight( height );
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m_bound_type = CBoundingObject::BOUND_OABB;
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}
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// Else, entity has no footprint.
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}
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}
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// important so that scripts can see traits
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XMLLoadProperty( XeroFile, Child, CStrW() );
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}
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else if( ChildName == el_Event )
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{
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// Action...On for consistency with the GUI.
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CStrW EventName = L"on" + (CStrW)Child.GetAttributes().GetNamedItem( at_On );
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CStrW Code (Child.GetText());
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utf16string ExternalFunction = Child.GetAttributes().GetNamedItem( at_Function );
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// Does a property with this name already exist?
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for( size_t eventID = 0; eventID < EVENT_LAST; eventID++ )
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{
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if( CStrW( EventNames[eventID] ) == EventName )
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{
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if( ExternalFunction != utf16string() )
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{
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jsval fnval;
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JSBool ret = JS_GetUCProperty( g_ScriptingHost.GetContext(), g_ScriptingHost.GetGlobalObject(), ExternalFunction.c_str(), ExternalFunction.size(), &fnval );
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debug_assert( ret );
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JSFunction* fn = JS_ValueToFunction( g_ScriptingHost.GetContext(), fnval );
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if( !fn )
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{
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LOG(CLogger::Error, LOG_CATEGORY, L"CEntityTemplate::LoadXml: Function does not exist for event %ls in file %ls. Load failed.", EventName.c_str(), pathname.string().c_str() );
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break;
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}
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m_EventHandlers[eventID].SetFunction( fn );
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}
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else
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m_EventHandlers[eventID].Compile( pathname.string() + L"::" + EventName + L" (" + CStrW( Child.GetLineNumber() ) + L")", Code );
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HasProperty( EventName )->m_Inherited = false;
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break;
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}
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}
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}
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else if( ChildName == el_SoundGroups )
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{
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// Read every child element's value into m_SoundGroupTable with its tag as the key
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XMBElementList children = Child.GetChildNodes();
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for(int j = 0; j < children.Count; ++j)
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{
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XMBElement child = children.Item(j);
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CStr8 name = toCamelCase( XeroFile.GetElementString( child.GetNodeName() ) );
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VfsPath soundGroupFilename = CStrW(child.GetText());
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const size_t soundGroupIndex = g_soundGroupMgr->AddGroup(soundGroupFilename);
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m_SoundGroupTable[name] = soundGroupIndex;
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}
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}
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else
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{
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XMLLoadProperty( XeroFile, Child, CStrW() );
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}
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}
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if( m_player == 0 )
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{
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m_unmodified = this;
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}
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else
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{
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m_unmodified = g_EntityTemplateCollection.GetTemplate( m_Tag, 0 );
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}
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return true;
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}
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void CEntityTemplate::XMLLoadProperty( const CXeromyces& XeroFile, const XMBElement& Source, const CStrW& BasePropertyName )
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{
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// Add a property, put the node text into it.
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CStrW PropertyName = BasePropertyName + CStrW( toCamelCase( XeroFile.GetElementString( Source.GetNodeName() ) ) );
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IJSComplexProperty* Existing = HasProperty( PropertyName );
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if( Existing )
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{
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if( !Existing->m_Intrinsic )
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LOG(CLogger::Warning, LOG_CATEGORY, L"CEntityTemplate::XMLAddProperty: %ls already defined for %ls. Property trees will be merged.", PropertyName.c_str(), m_Tag.c_str() );
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Existing->Set( this, JSParseString( Source.GetText() ) );
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//Existing->m_Inherited = false;
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}
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else
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{
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if( !Source.GetText().length() )
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{
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// Arbitrarily say that if a node has no other value, define it to be 'true'.
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// Appears to be the most convenient thing to do in most circumstances.
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AddProperty( PropertyName, JSVAL_TRUE );
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}
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else
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{
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AddProperty( PropertyName, Source.GetText() );
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}
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}
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PropertyName += L".";
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// Retrieve any attributes it has and add them as subproperties.
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XMBAttributeList AttributeSet = Source.GetAttributes();
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for( int AttributeID = 0; AttributeID < AttributeSet.Count; AttributeID++ )
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{
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XMBAttribute Attribute = AttributeSet.Item( AttributeID );
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CStrW AttributeName = PropertyName + CStr8( toCamelCase( XeroFile.GetAttributeString( Attribute.Name ) ) );
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Existing = HasProperty( AttributeName );
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if( Existing )
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{
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Existing->Set( this, JSParseString( Attribute.Value ) );
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Existing->m_Inherited = false;
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}
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else
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AddProperty( AttributeName, Attribute.Value );
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}
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// Retrieve any child nodes the property has and, similarly, add them as subproperties.
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XMBElementList NodeSet = Source.GetChildNodes();
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for( int NodeID = 0; NodeID < NodeSet.Count; NodeID++ )
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{
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XMBElement Node = NodeSet.Item( NodeID );
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XMLLoadProperty( XeroFile, Node, PropertyName );
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}
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}
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/*
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Scripting Interface
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*/
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// Scripting initialization
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void CEntityTemplate::ScriptingInit()
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{
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AddMethod<CStr, &CEntityTemplate::ToString>( "toString", 0 );
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AddClassProperty( L"traits.id.classes", static_cast<GetFn>(&CEntityTemplate::GetClassSet), static_cast<SetFn>(&CEntityTemplate::SetClassSet) );
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AddClassProperty( L"actions.move.speed", &CEntityTemplate::m_speed );
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AddClassProperty( L"actions.move.turningRadius", &CEntityTemplate::m_turningRadius );
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AddClassProperty( L"actions.move.run.speed", &CEntityTemplate::m_runSpeed );
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AddClassProperty( L"actions.move.run.rangeMin", &CEntityTemplate::m_runMinRange );
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AddClassProperty( L"actions.move.run.range", &CEntityTemplate::m_runMaxRange );
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AddClassProperty( L"actions.move.run.regenRate", &CEntityTemplate::m_runRegenRate );
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AddClassProperty( L"actions.move.run.decayRate", &CEntityTemplate::m_runDecayRate );
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AddClassProperty( L"actions.move.passThroughAllies", &CEntityTemplate::m_passThroughAllies );
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AddClassProperty( L"actor", &CEntityTemplate::m_actorName );
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AddClassProperty( L"traits.health.max", &CEntityTemplate::m_healthMax );
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AddClassProperty( L"traits.health.barHeight", &CEntityTemplate::m_healthBarHeight );
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AddClassProperty( L"traits.health.barSize", &CEntityTemplate::m_healthBarSize );
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AddClassProperty( L"traits.health.barWidth", &CEntityTemplate::m_healthBarWidth );
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AddClassProperty( L"traits.health.borderHeight", &CEntityTemplate::m_healthBorderHeight);
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AddClassProperty( L"traits.health.borderWidth", &CEntityTemplate::m_healthBorderWidth );
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AddClassProperty( L"traits.health.borderName", &CEntityTemplate::m_healthBorderName );
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AddClassProperty( L"traits.health.regenRate", &CEntityTemplate::m_healthRegenRate );
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AddClassProperty( L"traits.health.regenStart", &CEntityTemplate::m_healthRegenStart );
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AddClassProperty( L"traits.health.decayRate", &CEntityTemplate::m_healthDecayRate );
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AddClassProperty( L"traits.stamina.max", &CEntityTemplate::m_staminaMax );
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AddClassProperty( L"traits.stamina.barHeight", &CEntityTemplate::m_staminaBarHeight );
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AddClassProperty( L"traits.stamina.barSize", &CEntityTemplate::m_staminaBarSize );
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AddClassProperty( L"traits.stamina.barWidth", &CEntityTemplate::m_staminaBarWidth );
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AddClassProperty( L"traits.stamina.borderHeight", &CEntityTemplate::m_staminaBorderHeight);
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AddClassProperty( L"traits.stamina.borderWidth", &CEntityTemplate::m_staminaBorderWidth );
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AddClassProperty( L"traits.stamina.borderName", &CEntityTemplate::m_staminaBorderName );
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AddClassProperty( L"traits.rally.name", &CEntityTemplate::m_rallyName );
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AddClassProperty( L"traits.rally.width", &CEntityTemplate::m_rallyWidth );
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AddClassProperty( L"traits.rally.height", &CEntityTemplate::m_rallyHeight );
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AddClassProperty( L"traits.flankPenalty.sectors", &CEntityTemplate::m_sectorDivs );
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AddClassProperty( L"traits.pitch.sectors", &CEntityTemplate::m_pitchDivs );
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AddClassProperty( L"traits.pitch.value", &CEntityTemplate::m_pitchValue );
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|
AddClassProperty( L"traits.rank.width", &CEntityTemplate::m_rankWidth );
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|
AddClassProperty( L"traits.rank.height", &CEntityTemplate::m_rankHeight );
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|
AddClassProperty( L"traits.rank.name", &CEntityTemplate::m_rankName );
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|
AddClassProperty( L"traits.ai.stance.curr", &CEntityTemplate::m_stanceName );
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|
AddClassProperty( L"traits.miniMap.type", &CEntityTemplate::m_minimapType );
|
|
AddClassProperty( L"traits.miniMap.red", &CEntityTemplate::m_minimapR );
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|
AddClassProperty( L"traits.miniMap.green", &CEntityTemplate::m_minimapG );
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|
AddClassProperty( L"traits.miniMap.blue", &CEntityTemplate::m_minimapB );
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|
AddClassProperty( L"traits.anchor.type", &CEntityTemplate::m_anchorType );
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|
AddClassProperty( L"traits.anchor.conformX", &CEntityTemplate::m_anchorConformX );
|
|
AddClassProperty( L"traits.anchor.conformZ", &CEntityTemplate::m_anchorConformZ );
|
|
AddClassProperty( L"traits.vision.los", &CEntityTemplate::m_los );
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|
AddClassProperty( L"traits.vision.permanent", &CEntityTemplate::m_visionPermanent );
|
|
AddClassProperty( L"traits.display.bars.enabled", &CEntityTemplate::m_barsEnabled );
|
|
AddClassProperty( L"traits.display.bars.offset", &CEntityTemplate::m_barOffset );
|
|
AddClassProperty( L"traits.display.bars.height", &CEntityTemplate::m_barHeight );
|
|
AddClassProperty( L"traits.display.bars.width", &CEntityTemplate::m_barWidth );
|
|
AddClassProperty( L"traits.display.bars.border", &CEntityTemplate::m_barBorder );
|
|
AddClassProperty( L"traits.display.bars.borderSize", &CEntityTemplate::m_barBorderSize );
|
|
AddClassProperty( L"traits.isTerritoryCentre", &CEntityTemplate::m_isTerritoryCentre );
|
|
AddClassProperty( L"traits.creation.foundation", &CEntityTemplate::m_foundation );
|
|
AddClassProperty( L"traits.creation.socket", &CEntityTemplate::m_socket );
|
|
AddClassProperty( L"traits.creation.territoryRestriction", &CEntityTemplate::m_territoryRestriction );
|
|
AddClassProperty( L"traits.creation.buildingLimitCategory", &CEntityTemplate::m_buildingLimitCategory );
|
|
|
|
|
|
|
|
CJSComplex<CEntityTemplate>::ScriptingInit( "EntityTemplate" );
|
|
}
|
|
|
|
// Script-bound functions
|
|
|
|
JSObject* CEntityTemplate::GetScriptExecContext( IEventTarget* target )
|
|
{
|
|
return( target->GetScriptExecContext( target ) );
|
|
}
|
|
|
|
CStr CEntityTemplate::ToString( JSContext* UNUSED(cx), uintN UNUSED(argc), jsval* UNUSED(argv) )
|
|
{
|
|
if( m_player == 0 )
|
|
return "[object EntityTemplate: " + CStr(m_Tag) + " base]";
|
|
else
|
|
return "[object EntityTemplate: " + CStr(m_Tag) + " for player " + CStr((unsigned)m_player->GetPlayerID()) + "]";
|
|
}
|