Add nametag background setting and object property (#10937)

3 files changed, 36 insertions, 9 deletions

diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
index 2f9fbd74b..6995f6b61 100644
--- a/src/script/common/c_content.cpp
+++ b/src/script/common/c_content.cpp
@@ -312,6 +312,17 @@ void read_object_properties(lua_State *L, int index,
 			prop->nametag_color = color;
 	}
 	lua_pop(L, 1);
+	lua_getfield(L, -1, "nametag_bgcolor");
+	if (!lua_isnil(L, -1)) {
+		if (lua_toboolean(L, -1)) {
+			video::SColor color;
+			if (read_color(L, -1, &color))
+				prop->nametag_bgcolor = color;
+		} else {
+			prop->nametag_bgcolor = nullopt;
+		}
+	}
+	lua_pop(L, 1);
 
 	lua_getfield(L, -1, "automatic_face_movement_max_rotation_per_sec");
 	if (lua_isnumber(L, -1)) {
@@ -403,6 +414,13 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
 	lua_setfield(L, -2, "nametag");
 	push_ARGB8(L, prop->nametag_color);
 	lua_setfield(L, -2, "nametag_color");
+	if (prop->nametag_bgcolor) {
+		push_ARGB8(L, prop->nametag_bgcolor.value());
+		lua_setfield(L, -2, "nametag_bgcolor");
+	} else {
+		lua_pushboolean(L, false);
+		lua_setfield(L, -2, "nametag_bgcolor");
+	}
 	lua_pushnumber(L, prop->automatic_face_movement_max_rotation_per_sec);
 	lua_setfield(L, -2, "automatic_face_movement_max_rotation_per_sec");
 	lua_pushlstring(L, prop->infotext.c_str(), prop->infotext.size());
diff --git a/src/script/common/helper.cpp b/src/script/common/helper.cpp
index 488144790..fbf24e1b7 100644
--- a/src/script/common/helper.cpp
+++ b/src/script/common/helper.cpp
@@ -50,22 +50,26 @@ bool LuaHelper::isNaN(lua_State *L, int idx)
 /*
  * Read template functions
  */
-template <> bool LuaHelper::readParam(lua_State *L, int index)
+template <>
+bool LuaHelper::readParam(lua_State *L, int index)
 {
 	return lua_toboolean(L, index) != 0;
 }
 
-template <> s16 LuaHelper::readParam(lua_State *L, int index)
+template <>
+s16 LuaHelper::readParam(lua_State *L, int index)
 {
 	return lua_tonumber(L, index);
 }
 
-template <> int LuaHelper::readParam(lua_State *L, int index)
+template <>
+int LuaHelper::readParam(lua_State *L, int index)
 {
 	return luaL_checkint(L, index);
 }
 
-template <> float LuaHelper::readParam(lua_State *L, int index)
+template <>
+float LuaHelper::readParam(lua_State *L, int index)
 {
 	if (isNaN(L, index))
 		throw LuaError("NaN value is not allowed.");
@@ -73,7 +77,8 @@ template <> float LuaHelper::readParam(lua_State *L, int index)
 	return (float)luaL_checknumber(L, index);
 }
 
-template <> v2s16 LuaHelper::readParam(lua_State *L, int index)
+template <>
+v2s16 LuaHelper::readParam(lua_State *L, int index)
 {
 	v2s16 p;
 	CHECK_POS_TAB(index);
@@ -88,7 +93,8 @@ template <> v2s16 LuaHelper::readParam(lua_State *L, int index)
 	return p;
 }
 
-template <> v2f LuaHelper::readParam(lua_State *L, int index)
+template <>
+v2f LuaHelper::readParam(lua_State *L, int index)
 {
 	v2f p;
 	CHECK_POS_TAB(index);
@@ -103,7 +109,8 @@ template <> v2f LuaHelper::readParam(lua_State *L, int index)
 	return p;
 }
 
-template <> v3f LuaHelper::readParam(lua_State *L, int index)
+template <>
+v3f LuaHelper::readParam(lua_State *L, int index)
 {
 	v3f p;
 	CHECK_POS_TAB(index);
@@ -122,7 +129,8 @@ template <> v3f LuaHelper::readParam(lua_State *L, int index)
 	return p;
 }
 
-template <> std::string LuaHelper::readParam(lua_State *L, int index)
+template <>
+std::string LuaHelper::readParam(lua_State *L, int index)
 {
 	size_t length;
 	std::string result;
diff --git a/src/script/common/helper.h b/src/script/common/helper.h
index 7a794dc9b..6491e73cf 100644
--- a/src/script/common/helper.h
+++ b/src/script/common/helper.h
@@ -38,7 +38,8 @@ protected:
 	 * @param index Lua Index to read
 	 * @return read value from Lua
 	 */
-	template <typename T> static T readParam(lua_State *L, int index);
+	template <typename T>
+	static T readParam(lua_State *L, int index);
 
 	/**
 	 * Read a value using a template type T from Lua State L and index