billboardset.c

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class BillboardSetHandler
{
    protected bool                          m_BillboardSetIndex     = -1;
    protected ref array<ref BillboardSet>   m_BillboardSets;
    protected static const string           ROOT_CLASS = "BillboardPresets";
    protected static int                    m_SetIndexCached = -1;//once we resolve the name into an index, we cache it(this disallows dynamic index swapping during mission's runtime)
    
    string GetTextureByType(string type)
    {
        if (m_BillboardSetIndex == -1)
            return "";
        BillboardSet bbset = m_BillboardSets.Get(m_BillboardSetIndex);
        return bbset.GetTextureByType(type);
    }
 
    void OnRPCIndex(int index)
    {
        if (!m_BillboardSets)
            LoadBillboardConfigs();
                        
        if (m_BillboardSets && m_BillboardSets.IsValidIndex(index))
        {
            m_BillboardSetIndex = index;
        }
    }
    
    protected bool LoadBillboardConfigs()
    {
        m_BillboardSets = new array<ref BillboardSet>();
        
        int setCount = g_Game.ConfigGetChildrenCount(ROOT_CLASS);
 
        for (int setIndex = 0; setIndex < setCount; setIndex++)
        {
            string setName;
            g_Game.ConfigGetChildName(ROOT_CLASS, setIndex, setName);
            string path = ROOT_CLASS + " " + setName;
            m_BillboardSets.Insert(new BillboardSet(path));
        }
        
        return true; 
    }
    
    static bool ActivateBillboardSet(string setClassName, PlayerIdentity identity)
    {
        if (!g_Game)
            return false;
        
        if (m_SetIndexCached == -1)
        {
            int setCount = g_Game.ConfigGetChildrenCount(ROOT_CLASS);
            for (int setIndex = 0; setIndex < setCount; setIndex++)
            {
                string setName;
                g_Game.ConfigGetChildName(ROOT_CLASS, setIndex, setName);
                
                if (setName == setClassName)
                {
                    m_SetIndexCached = setIndex;
                    break
                }
            }
        }
        
        if (m_SetIndexCached != -1)
        {
            auto param = new Param1<int>(m_SetIndexCached);
            g_Game.RPCSingleParam( identity.GetPlayer(), ERPCs.RPC_SET_BILLBOARDS, param, true, identity );
            return true;
        }
        return false;
    }
}
 
 
class BillboardSet
{
    protected ref map<string, string> m_TypeTextureMapping = new map<string, string>();
    
    void BillboardSet(string path)
    {
        LoadConfig(path);
    }
    
    string GetTextureByType(string type)
    {
        return m_TypeTextureMapping.Get(type);
    }
 
    protected void LoadConfig(string path)
    {
        int count = g_Game.ConfigGetChildrenCount(path);
        for ( int i = 0; i < count; i++ )
        {
            string itemName;
            g_Game.ConfigGetChildName(path, i, itemName);
            
            string typesPath = path + " " + itemName + " types";
            string texturePath = path + " " + itemName + " texture";
            
            if (g_Game.ConfigIsExisting(typesPath) && g_Game.ConfigIsExisting(texturePath))
            {
                TStringArray types = new TStringArray();
                string texture;
                g_Game.ConfigGetText(texturePath, texture);
                g_Game.ConfigGetTextArray(typesPath, types);
                
                foreach (string s: types)
                {
                    m_TypeTextureMapping.Insert(s,texture);
                }
            }
            else
            {
                ErrorEx("Billboard set incorrect configuration, type or texture param missing: " + path);
            }
            
        }
    }
}