From c34b54d97404a531e95326089d209b6b1604f578 Mon Sep 17 00:00:00 2001
From: jacob1 <jfu614@gmail.com>
Date: Thu, 31 Aug 2017 23:48:00 -0400
Subject: [PATCH] add sim.takeSnapshot lua function

---
 src/lua/LuaScriptInterface.cpp | 7 +++++++
 src/lua/LuaScriptInterface.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/lua/LuaScriptInterface.cpp b/src/lua/LuaScriptInterface.cpp
index 48758c343..4c4a284dc 100644
--- a/src/lua/LuaScriptInterface.cpp
+++ b/src/lua/LuaScriptInterface.cpp
@@ -765,6 +765,7 @@ void LuaScriptInterface::initSimulationAPI()
 		{"neighbors", simulation_neighbours},
 		{"framerender", simulation_framerender},
 		{"gspeed", simulation_gspeed},
+		{"takeSnapshot", simulation_takeSnapshot},
 		{NULL, NULL}
 	};
 	luaL_register(l, "simulation", simulationAPIMethods);
@@ -2143,6 +2144,12 @@ int LuaScriptInterface::simulation_gspeed(lua_State * l)
 	return 0;
 }
 
+int LuaScriptInterface::simulation_takeSnapshot(lua_State * l)
+{
+	luacon_controller->HistorySnapshot();
+	return 0;
+}
+
 //// Begin Renderer API
 
 void LuaScriptInterface::initRendererAPI()
diff --git a/src/lua/LuaScriptInterface.h b/src/lua/LuaScriptInterface.h
index e0c679b71..175bd3dba 100644
--- a/src/lua/LuaScriptInterface.h
+++ b/src/lua/LuaScriptInterface.h
@@ -108,6 +108,7 @@ class LuaScriptInterface: public CommandInterface
 	static int simulation_neighbours(lua_State * l);
 	static int simulation_framerender(lua_State * l);
 	static int simulation_gspeed(lua_State * l);
+	static int simulation_takeSnapshot(lua_State *l);
 
 	//Renderer
 	void initRendererAPI();