From dd5c451e0349f57657010e3f89f3310412984ba9 Mon Sep 17 00:00:00 2001
From: PilzAdam <pilzadam@minetest.net>
Date: Tue, 10 Sep 2013 19:24:17 +0200
Subject: Allow non-string arguments for minetest.is_yes()

---
 src/script/lua_api/l_util.cpp | 10 ++++++++--
 src/script/lua_api/l_util.h   |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/script/lua_api/l_util.cpp b/src/script/lua_api/l_util.cpp
index 34788accd..af9c19210 100644
--- a/src/script/lua_api/l_util.cpp
+++ b/src/script/lua_api/l_util.cpp
@@ -220,11 +220,17 @@ int ModApiUtil::l_get_password_hash(lua_State *L)
 	return 1;
 }
 
-// is_yes(string)
+// is_yes(arg)
 int ModApiUtil::l_is_yes(lua_State *L)
 {
 	NO_MAP_LOCK_REQUIRED;
-	std::string str = luaL_checkstring(L, 1);
+
+	lua_getglobal(L, "tostring"); // function to be called
+	lua_pushvalue(L, 1); // 1st argument
+	lua_call(L, 1, 1); // execute function
+	std::string str(lua_tostring(L, -1)); // get result
+	lua_pop(L, 1);
+
 	bool yes = is_yes(str);
 	lua_pushboolean(L, yes);
 	return 1;
diff --git a/src/script/lua_api/l_util.h b/src/script/lua_api/l_util.h
index ae2163ec8..bb99e1562 100644
--- a/src/script/lua_api/l_util.h
+++ b/src/script/lua_api/l_util.h
@@ -71,7 +71,7 @@ private:
 	// get_password_hash(name, raw_password)
 	static int l_get_password_hash(lua_State *L);
 
-	// is_yes(string)
+	// is_yes(arg)
 	static int l_is_yes(lua_State *L);
 
 public:
-- 
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