182 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C#
		
	
			
		
		
	
	
			182 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C#
		
	
/*
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Copyright (c) 2015-2017 topameng(topameng@qq.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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namespace LuaInterface
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{
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    public sealed class LuaUnityLibs
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    {
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        public static void OpenLibs(IntPtr L)
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        {
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            InitMathf(L);
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            InitLayer(L);
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        }
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        public static void OpenLuaLibs(IntPtr L)
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        {                        
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            if (LuaDLL.tolua_openlualibs(L) != 0)
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            {
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                string error = LuaDLL.lua_tostring(L, -1);
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                LuaDLL.lua_pop(L, 1);
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                throw new LuaException(error);
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            }
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            SetOutMethods(L, "Vector3", GetOutVector3);
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            SetOutMethods(L, "Vector2", GetOutVector2);
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            SetOutMethods(L, "Vector4", GetOutVector4);
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            SetOutMethods(L, "Color", GetOutColor);
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            SetOutMethods(L, "Quaternion", GetOutQuaternion);
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            SetOutMethods(L, "Ray", GetOutRay);
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            SetOutMethods(L, "Bounds", GetOutBounds);
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            SetOutMethods(L, "Touch", GetOutTouch);
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            SetOutMethods(L, "RaycastHit", GetOutRaycastHit);
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            SetOutMethods(L, "LayerMask", GetOutLayerMask);            
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        }
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        static void InitMathf(IntPtr L)
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        {
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            LuaDLL.lua_getglobal(L, "Mathf");
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            LuaDLL.lua_pushstring(L, "PerlinNoise");
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            LuaDLL.tolua_pushcfunction(L, PerlinNoise);
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            LuaDLL.lua_rawset(L, -3);
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            LuaDLL.lua_pop(L, 1);
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        }
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        static void InitLayer(IntPtr L)
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        {
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            LuaDLL.tolua_createtable(L, "Layer");
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            for (int i = 0; i < 32; i++)
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            {
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                string str = LayerMask.LayerToName(i);
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                if (!string.IsNullOrEmpty(str))
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                {
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                    LuaDLL.lua_pushstring(L, str);
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                    LuaDLL.lua_pushinteger(L, i);
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                    LuaDLL.lua_rawset(L, -3);
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                }
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            }
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            LuaDLL.lua_pop(L, 1);
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int PerlinNoise(IntPtr L)
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        {
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            try
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            {
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                float x = (float)LuaDLL.luaL_checknumber(L, 1);
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                float y = (float)LuaDLL.luaL_checknumber(L, 2);
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                float ret = Mathf.PerlinNoise(x, y);
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                LuaDLL.lua_pushnumber(L, ret);
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                return 1;
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            }
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            catch (Exception e)
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            {
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                return LuaDLL.toluaL_exception(L, e);
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            }            
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        }
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        static void SetOutMethods(IntPtr L, string table, LuaCSFunction getOutFunc = null)
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        {
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            LuaDLL.lua_getglobal(L, table);
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            IntPtr get = Marshal.GetFunctionPointerForDelegate(getOutFunc);
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            LuaDLL.tolua_variable(L, "out", get, IntPtr.Zero);
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            LuaDLL.lua_pop(L, 1);
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutVector3(IntPtr L)
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        {            
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            ToLua.PushOut<Vector3>(L, new LuaOut<Vector3>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutVector2(IntPtr L)
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        {            
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            ToLua.PushOut<Vector2>(L, new LuaOut<Vector2>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutVector4(IntPtr L)
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        {            
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            ToLua.PushOut<Vector4>(L, new LuaOut<Vector4>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutColor(IntPtr L)
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        {            
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            ToLua.PushOut<Color>(L, new LuaOut<Color>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutQuaternion(IntPtr L)
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        {            
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            ToLua.PushOut<Quaternion>(L, new LuaOut<Quaternion>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutRay(IntPtr L)
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        {
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            ToLua.PushOut<Ray>(L, new LuaOut<Ray>());
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            return 1;            
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutBounds(IntPtr L)
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        {
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            ToLua.PushOut<Bounds>(L, new LuaOut<Bounds>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutRaycastHit(IntPtr L)
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        {
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            ToLua.PushOut<RaycastHit>(L, new LuaOut<RaycastHit>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutTouch(IntPtr L)
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        {            
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            ToLua.PushOut<Touch>(L, new LuaOut<Touch>());
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            return 1;
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        }
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        [MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]
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        static int GetOutLayerMask(IntPtr L)
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        {
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            ToLua.PushOut<LayerMask>(L, new LuaOut<LayerMask>());
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            return 1;
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        }
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    }
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}
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