Create lord_object_state mod outline (relates to #1515)

mods/lord/_experimental/lord_object_state/init.lua

@@ -0,0 +1,9 @@
+local mod_path    = minetest.get_modpath(minetest.get_current_modname())
+local old_require = require
+require           = function(name) return dofile(mod_path .. "/src/" .. name:gsub("%.", "/") .. ".lua") end
+
+
+require("object_state").init()
+
+
+require = old_require

mods/lord/_experimental/lord_object_state/mod.conf

@@ -0,0 +1,2 @@
+name = lord_object_state
+depends = lordlib

mods/lord/_experimental/lord_object_state/src/object_state.lua

@@ -0,0 +1,13 @@
+local api    = require("object_state.api")
+
+lord_object_state = {}
+
+local function register_api()
+	_G.lord_bows = api
+end
+
+return {
+	init = function()
+		register_api()
+	end,
+}

mods/lord/_experimental/lord_object_state/src/object_state/api.lua

@@ -0,0 +1,59 @@
+--- @class base_classes.ObjectState
+local ObjectState = {
+	--- @type ObjectRef
+	object = nil,
+}
+
+--- @param object ObjectRef
+--- @return ObjectState
+function ObjectState:new(object)
+	local class = self
+	self = {}
+
+	self.object = object
+
+	return setmetatable(self, {__index = class})
+end
+
+---@param player ObjectRef
+function ObjectState:get_player_state(player)
+	local meta = player:get_meta()
+	local state_string = meta:get("object_state")
+	local state_table = minetest.deserialize(state_string)
+	return state_table
+end
+
+---@param player ObjectRef
+function ObjectState:set_player_state(player, state_table)
+	local meta = player:get_meta()
+	local state_string = minetest.serialize(state_table)
+	meta:set_string("object_state", state_string)
+end
+
+---@param object ObjectRef
+function ObjectState:get_entity_state(object)
+	local properties = object:get_properties()
+	local state_table = properties["object_state"]
+	return state_table
+end
+
+---@param object ObjectRef
+function ObjectState:set_entity_state(object, state_table)
+	local properties = object:get_properties()
+	properties["object_state"] = state_table
+	object:set_properties(properties)
+end
+
+function ObjectState:add_state(player, state_name, value)
+	-- body
+end
+
+function ObjectState:remove_state()
+	-- body
+end
+
+
+
+return {
+
+}