From 9a4161519d2c2625231aaca568abee54c5a4456c Mon Sep 17 00:00:00 2001
From: turanszkij <turanszkij@gmail.com>
Date: Tue, 8 Sep 2015 23:28:19 +0200
Subject: [PATCH] updated lua bindings

---
 WickedEngine/Matrix_BindLua.cpp   | 57 +++++++++++++++++++++++++++++++
 WickedEngine/Matrix_BindLua.h     |  2 ++
 WickedEngine/wiLoader_BindLua.cpp |  2 ++
 3 files changed, 61 insertions(+)

diff --git a/WickedEngine/Matrix_BindLua.cpp b/WickedEngine/Matrix_BindLua.cpp
index c64f025987..43a4904a07 100644
--- a/WickedEngine/Matrix_BindLua.cpp
+++ b/WickedEngine/Matrix_BindLua.cpp
@@ -15,6 +15,9 @@ Luna<Matrix_BindLua>::FunctionType Matrix_BindLua::methods[] = {
 	lunamethod(Matrix_BindLua, RotationZ),
 	lunamethod(Matrix_BindLua, RotationQuaternion),
 	lunamethod(Matrix_BindLua, Scale),
+	lunamethod(Matrix_BindLua, LookTo),
+	lunamethod(Matrix_BindLua, LookAt),
+
 	lunamethod(Matrix_BindLua, Add),
 	lunamethod(Matrix_BindLua, Multiply),
 	lunamethod(Matrix_BindLua, Transpose),
@@ -180,6 +183,60 @@ int Matrix_BindLua::Scale(lua_State* L)
 	return 1;
 }
 
+int Matrix_BindLua::LookTo(lua_State* L)
+{
+	int argc = wiLua::SGetArgCount(L);
+	if (argc > 0)
+	{
+		Vector_BindLua* pos = Luna<Vector_BindLua>::lightcheck(L, 1);
+		Vector_BindLua* dir = Luna<Vector_BindLua>::lightcheck(L, 2);
+		if (pos != nullptr && dir != nullptr)
+		{
+			XMVECTOR Up;
+			if (argc > 3)
+			{
+				Vector_BindLua* up = Luna<Vector_BindLua>::lightcheck(L, 3);
+				Up = up->vector;
+			}
+			else
+				Up = XMVectorSet(0, 1, 0, 0);
+			Luna<Matrix_BindLua>::push(L, new Matrix_BindLua(XMMatrixLookToLH(pos->vector, dir->vector, Up)));
+		}
+		else
+			wiLua::SError(L, "LookTo(Vector eye, Vector direction, opt Vector up) argument is not a Vector!");
+	}
+	else
+		wiLua::SError(L, "LookTo(Vector eye, Vector direction, opt Vector up) not enough arguments!");
+	return 1;
+}
+
+int Matrix_BindLua::LookAt(lua_State* L)
+{
+	int argc = wiLua::SGetArgCount(L);
+	if (argc > 0)
+	{
+		Vector_BindLua* pos = Luna<Vector_BindLua>::lightcheck(L, 1);
+		Vector_BindLua* dir = Luna<Vector_BindLua>::lightcheck(L, 2);
+		if (dir != nullptr)
+		{
+			XMVECTOR Up;
+			if (argc > 3)
+			{
+				Vector_BindLua* up = Luna<Vector_BindLua>::lightcheck(L, 3);
+				Up = up->vector;
+			}
+			else
+				Up = XMVectorSet(0, 1, 0, 0);
+			Luna<Matrix_BindLua>::push(L, new Matrix_BindLua(XMMatrixLookAtLH(pos->vector, dir->vector, Up)));
+		}
+		else
+			wiLua::SError(L, "LookAt(Vector eye, Vector focusPos, opt Vector up) argument is not a Vector!");
+	}
+	else
+		wiLua::SError(L, "LookAt(Vector eye, Vector focusPos, opt Vector up) not enough arguments!");
+	return 1;
+}
+
 int Matrix_BindLua::Multiply(lua_State* L)
 {
 	int argc = wiLua::SGetArgCount(L);
diff --git a/WickedEngine/Matrix_BindLua.h b/WickedEngine/Matrix_BindLua.h
index e1e119179b..807f67c431 100644
--- a/WickedEngine/Matrix_BindLua.h
+++ b/WickedEngine/Matrix_BindLua.h
@@ -25,6 +25,8 @@ class Matrix_BindLua
 	int RotationZ(lua_State* L);
 	int RotationQuaternion(lua_State* L);
 	int Scale(lua_State* L);
+	int LookTo(lua_State* L);
+	int LookAt(lua_State* L);
 
 	int Multiply(lua_State* L);
 	int Add(lua_State* L);
diff --git a/WickedEngine/wiLoader_BindLua.cpp b/WickedEngine/wiLoader_BindLua.cpp
index 6a85d330b4..e24271bc47 100644
--- a/WickedEngine/wiLoader_BindLua.cpp
+++ b/WickedEngine/wiLoader_BindLua.cpp
@@ -789,6 +789,8 @@ void Armature_BindLua::Bind()
 const char Ray_BindLua::className[] = "Ray";
 
 Luna<Ray_BindLua>::FunctionType Ray_BindLua::methods[] = {
+	lunamethod(Ray_BindLua, GetOrigin),
+	lunamethod(Ray_BindLua, GetDirection),
 	{ NULL, NULL }
 };
 Luna<Ray_BindLua>::PropertyType Ray_BindLua::properties[] = {