C# ILuaState.Pop方法代码示例

 public static int applyTranslate(ILuaState luaState)
 {
     if (luaState.IsTable(-1))
     {
         TranslateResult transRes = new TranslateResult();
         // 位移目标
         luaState.GetField(-1, "target");
         transRes.target = (Unit)luaState.ToUserData(-1);
         luaState.Pop(1);
         // 行偏移量
         luaState.GetField(-1, "offsetRow");
         transRes.offsetRow = luaState.ToInteger(-1);
         luaState.Pop(1);
         // 列偏移量
         luaState.GetField(-1, "offsetCol");
         transRes.offsetCol = luaState.ToInteger(-1);
         luaState.Pop(1);
         //// 位移原因
         //luaState.GetField(-1, "translateReason");
         //transRes. = luaState.ToInteger(-1);
         //luaState.Pop(1);
         ProcessManager.getInstance().addResult(transRes);
     }
     return 0;
 }

		private static int TBL_Concat( ILuaState lua )
		{
			string sep = lua.L_OptString( 2, "" );
			lua.L_CheckType( 1, LuaType.LUA_TTABLE );
			int i = lua.L_OptInt( 3, 1 );
			int last = lua.L_Opt( lua.L_CheckInteger, 4, lua.L_Len(1) );

			StringBuilder sb = new StringBuilder();
			for( ; i<last; ++i )
			{
				lua.RawGetI( 1, i );
				if( !lua.IsString(-1) )
					lua.L_Error(
						"invalid value ({0}) at index {1} in table for 'concat'",
						lua.L_TypeName(-1), i );
				sb.Append( lua.ToString(-1) );
				sb.Append( sep );
				lua.Pop( 1 );
			}
			if( i == last ) // add last value (if interval was not empty)
			{
				lua.RawGetI( 1, i );
				if( !lua.IsString(-1) )
					lua.L_Error(
						"invalid value ({0}) at index {1} in table for 'concat'",
						lua.L_TypeName(-1), i );
				sb.Append( lua.ToString(-1) );
				lua.Pop( 1 );
			}
			lua.PushString( sb.ToString() );
			return 1;
		}

		private static void CreateMetaTable( ILuaState lua )
		{
			lua.CreateTable(0, 1); // table to be metatable for strings
			lua.PushString( "" ); // dummy string
			lua.PushValue( -2 ); // copy table
			lua.SetMetaTable( -2 ); // set table as metatable for strings
			lua.Pop( 1 );
			lua.PushValue( -2 ); // get string library
			lua.SetField( -2, "__index" ); // metatable.__index = string
			lua.Pop( 1 ); // pop metatable
		}

		private static int AuxResume( ILuaState lua, ILuaState co, int narg )
		{
			if(!co.CheckStack(narg)) {
				lua.PushString("too many arguments to resume");
				return -1; // error flag
			}
			if( co.Status == ThreadStatus.LUA_OK && co.GetTop() == 0 )
			{
				lua.PushString( "cannot resume dead coroutine" );
				return -1; // error flag
			}
			lua.XMove( co, narg );
			ThreadStatus status = co.Resume( lua, narg );
			if( status == ThreadStatus.LUA_OK || status == ThreadStatus.LUA_YIELD )
			{
				int nres = co.GetTop();
				if(!lua.CheckStack(nres+1)) {
					co.Pop(nres); // remove results anyway;
					lua.PushString("too many results to resume");
					return -1; // error flag
				}
				co.XMove( lua, nres ); // move yielded values
				return nres;
			}
			else
			{
				co.XMove( lua, 1 ); // move error message
				return -1;
			}
		}

	void Awake() {
		Debug.Log("LuaScriptController Awake");

		if( Lua == null )
		{
			Lua = LuaAPI.NewState();
			Lua.L_OpenLibs();

			var status = Lua.L_DoFile( LuaScriptFile );
			if( status != ThreadStatus.LUA_OK )
			{
				throw new Exception( Lua.ToString(-1) );
			}

			if( ! Lua.IsTable(-1) )
			{
				throw new Exception(
					"framework main's return value is not a table" );
			}

			AwakeRef 		= StoreMethod( "awake" );
			StartRef 		= StoreMethod( "start" );
			UpdateRef 		= StoreMethod( "update" );
			LateUpdateRef 	= StoreMethod( "late_update" );
			FixedUpdateRef 	= StoreMethod( "fixed_update" );

			Lua.Pop(1);
			Debug.Log("Lua Init Done");
		}

		CallMethod( AwakeRef );
	}

 public static int testLuaCall(ILuaState luaState)
 {
     bool arg2 = luaState.ToBoolean(-1);
     luaState.GetField(1, "n");
     int len = luaState.ToInteger(-1);
     luaState.Pop(1);
     int sum = 0;
     for (int i=0;i<len;i++)
     {
         luaState.PushInteger(i + 1);
         luaState.GetTable(1);
         sum += luaState.ToInteger(-1);
         luaState.Pop(1);
     }
     Thread.Sleep(5000);
     luaState.PushInteger(sum);
     Debug.Log(sum);
     return 1;
 }

 public void initSkill(ILuaState luaState)
 {
     if ( !luaState.IsTable(-1) )
     {
         Debug.Log(this._skillId + ".lua does  not return a table!");
     }
     this._cost = storeMethod(luaState,"cost");
     luaState.Pop(1);
     // 主动效果
     // 被动效果
 }

 public static int applyDamage(ILuaState luaState)
 {
     if (luaState.IsTable(-1))
     {
         DamageResult dmgRes = new DamageResult();
         // 攻击者
         luaState.GetField(-1, "attacker");
         dmgRes.attacker = (Unit)luaState.ToUserData(-1);
         luaState.Pop(1);
         // 受害者
         luaState.GetField(-1, "victim");
         dmgRes.victim = (Unit)luaState.ToUserData(-1);
         luaState.Pop(1);
         // 伤害
         luaState.GetField(-1, "physicalDamage");
         dmgRes.physicalDamage = luaState.ToInteger(-1);
         luaState.Pop(1);
         luaState.GetField(-1, "spellDamage");
         dmgRes.spellDamage = luaState.ToInteger(-1);
         luaState.Pop(1);
         luaState.GetField(-1, "hpRemoval");
         dmgRes.hpRemoval = luaState.ToInteger(-1);
         luaState.Pop(1);
         // 伤害原因
         luaState.GetField(-1, "damageReason");
         dmgRes.damageReason = (BattleConsts.DamageReason)luaState.ToInteger(-1);
         luaState.Pop(1);
         ProcessManager.getInstance().addResult(dmgRes);
     }
     return 0;
 }

		public static LuaObject GetLuaObject(ILuaState lua, int index)
		{
// 			if(lua.Type(index) != LuaType.LUA_TTABLE)
// 			{
// 				return null;
// 			}
// 
//             lua.PushValue(index);
//             lua.PushString("_ref");
//             lua.GetTable(-2);
//             LuaObject obj = lua.ToUserData(-1).Target as LuaObject;
            LuaObject obj = null;
            lua.Pop(2);
            return obj;
        }

		private static int TBL_MaxN( ILuaState lua )
		{
			double max = 0.0;
			lua.L_CheckType( 1, LuaType.LUA_TTABLE );

			lua.PushNil(); // first key
			while( lua.Next(1) )
			{
				lua.Pop( 1 ); // remove value
				if( lua.Type( -1 ) == LuaType.LUA_TNUMBER ) {
					double v = lua.ToNumber( -1 );
					if( v > max ) max = v;
				}
			}
			lua.PushNumber( max );
			return 1;
		}

 /*
 ** Try to compile line on the stack as 'return <line>'; on return, stack
 ** has either compiled chunk or original line (if compilation failed).
 */
 static LuaStatus addreturn(ILuaState L)
 {
     LuaStatus status;
     int len; string line;
     L.PushLiteral("return ");
     L.PushValue(-2);  /* duplicate line */
     L.Concat(2);  /* new line is "return ..." */
     line = L.ToLString(-1, out len);
     if ((status = L.LoadBuffer(line, len, "=stdin")) == LuaStatus.OK)
     {
         L.Remove(-3);  /* remove original line */
         //line += sizeof("return")/sizeof(char);  /* remove 'return' for history */
         line = line.Substring("return".Length);
         if (!String.IsNullOrEmpty(line))  /* non empty? */
             lua_saveline(L, line);  /* keep history */
     }
     else
         L.Pop(2);  /* remove result from 'luaL_loadbuffer' and new line */
     return status;
 }

	void Awake() {
		Debug.Log("LuaScriptController Awake");

		if( Lua == null )
		{
			Lua = LuaAPI.NewState();
			Lua.L_OpenLibs();

			var status = Lua.L_DoFile( LuaScriptFile );
			if( status != ThreadStatus.LUA_OK )
			{
				throw new Exception( Lua.ToString(-1) );
			}

			if( ! Lua.IsTable(-1) )
			{
				throw new Exception(
					"framework main's return value is not a table" );
			}

			AwakeRef 		= StoreMethod( "awake" );
			StartRef 		= StoreMethod( "start" );
			UpdateRef 		= StoreMethod( "update" );
			LateUpdateRef 	= StoreMethod( "late_update" );
			FixedUpdateRef 	= StoreMethod( "fixed_update" );

			Lua.Pop(1);
			Debug.Log("Lua Init Done");
		}
        Lua.GetGlobal("xxsmain");
        if (Lua.PCall(0, 0, 0) != ThreadStatus.LUA_OK)
        {
            Debug.LogWarning("Call global function xxsmain failed:" + Lua.ToString(-1));
            Lua.Pop(1);
        }
        Debug.Log("dofile main...........");
		CallMethod( AwakeRef );
	}

 private static int GetMethodAux( ILuaState lua, BindingFlags flags )
 {
     var t = (Type)lua.ToUserData(1);
     var mname = lua.ToString(2);
     var n = lua.RawLen(3);
     var types = new Type[n];
     for( int i=0; i<n; ++i )
     {
         lua.RawGetI( 3, i+1 );
         types[i] = (Type)lua.ToUserData(-1);
         lua.Pop(1);
     }
     var minfo = t.GetMethod( mname,
         flags,
         null,
         CallingConventions.Any,
         types,
         null
         );
     if( minfo == null )
     {
         return 0;
     }
     else
     {
         var ffiMethod = new FFIMethodInfo(minfo);
         lua.PushLightUserData( ffiMethod );
         return 1;
     }
 }

		private static bool noEnv( ILuaState lua )
		{
			lua.GetField( LuaDef.LUA_REGISTRYINDEX, "LUA_NOENV" );
			bool res = lua.ToBoolean( -1 );
			lua.Pop( 1 );
			return res;
		}

        private static int FFI_GetConstructor( ILuaState lua )
        {
            var t = (Type)lua.ToUserData(1);
            var n = lua.RawLen(2);
            var types = new Type[n];
            for( int i=0; i<n; ++i )
            {
                lua.RawGetI( 2, i+1 );
                types[i] = (Type)lua.ToUserData(-1);
                lua.Pop( 1 );
            }

            var cinfo = t.GetConstructor( types );
            var ffiMethod = new FFIConstructorInfo(cinfo);
            lua.PushLightUserData( ffiMethod );
            return 1;
        }