Entity / Player abstraction (WIP)

mods/CORE/class/init.lua

@@ -1,45 +1,159 @@
 local Object = {}
 
-function Object:__define_getter(name, cached, get, cmp)
+-- Define a getter that caches the result for the next time it is called
+-- This is a static method (self = the class); in this class system static methods start with __ by convention
+function Object:__cache_getter(name, func)
+	-- cache key: prevent overriding the getter function itself
 	local key = "_" .. name
-	self[name] = function (self, expected)
-		local value
+	-- add a function to the class
+	self[name] = function(self)
+		-- check if the value is present in the cache
+		local value = self[key]
 
-		if cached then
-			value = self[key]
+		-- `== nil` instead of `not value` to allow caching boolean values
+		if value == nil then
+			-- call the getter function
+			value = func(self)
 		end
 
-		if not value then
-			value = get(self)
-		end
+		-- store result in cache
+		self[key] = value
 
-		if cached then
-			self[key] =	value
-		end
+		-- return result
+		return value
+	end
+end
 
-		if expected ~= nil then
-			if cmp then
-				return cmp(value, expected)
+-- Define a getter / setter
+-- If no argument is specified, it will act as a getter, else as a setter
+-- The specified function MUST return the new value, if it returns nil, nil will be used as new value
+-- Optionally works in combination with a previously defined cache getter and only really makes sense in that context
+function Object:__setter(name, func)
+	-- since the function is overridden, we need to store the old one in case a cache getter is defined
+	local cache_getter = self[name]
+	-- use same key as cache getter to modify getter cache if present
+	local key = "_" .. name
+
+	self[name] = function(self, new)
+		-- check whether an argument was specified
+		if new == nil then
+			if cache_getter then
+				-- call the cache getter if present
+				return cache_getter(self)
 			else
-				return value == expected
+				-- return the value else
+				return self[key]
 			end
+		end
+
+		-- call the setter and set the new value to the result
+		self[key] = func(self, new)
+	end
+end
+
+-- Define a comparator function
+-- Acts like a setter, except that it does not set the new value but rather compares the present and specified values and returns whether they are equal or not
+-- Incompatible with setter
+-- The function is optional. The == operator is used else.
+function Object:__comparator(name, func)
+	local cache_getter = self[name]
+	local key = "_" .. name
+
+	self[name] = function(self, expected)
+		-- the current value is needed everytime, no matter whether there is an argument or not
+		local actual
+
+		if cache_getter then
+			-- call the cache getter if present
+			actual = cache_getter(self)
 		else
-			return value
+			-- use the value else
+			actual = self[key]
+		end
+
+		-- act as a getter if there is no argument
+		if expected == nil then
+			return actual
+		end
+
+		if func then
+			-- if a function as specified, call it
+			return func(actual, expected)
+		else
+			-- else, use the == operator to compare the expected value to the actual
+			return actual == expected
 		end
 	end
 end
 
-function class(super)
-	return setmetatable({}, {
-		__call = function(_class, ...)
-			local instance = setmetatable({}, {
-				__index = _class,
-			})
-			if instance.constructor then
-				instance:constructor(...)
-			end
-			return instance
-		end,
-		__index = super or Object,
-	})
+-- Override an already existing function in a way that the old function is called
+-- If nil is returned, the old function is called. Else the return value is returned. (Only the first return value is taken into concern here, multiple are supported tho)
+-- This works even if it is applied to the instance of a class when the function is defined by the class
+-- It also works with overriding functions that are located in superclasses
+function Object:__override(name, func)
+	-- store the old function
+	local old_func = self[name]
+
+	-- redefine the function with variable arguments
+	self[name] = function(...)
+		-- call the new function and store the return values in a table
+		local rvals = {func(...)}
+		-- if nil was returned, fall back to the old function
+		if rvals[1] == nil then
+			-- if present, call the return function with the values the new function returned (converted back to a tuple)
+			return old_func(...)
+		else
+			-- return the values from the new function else
+			return unpack(rvals)
+		end
+	end
 end
+
+-- Works like override except that the new function does not modify the output of the old function but rather the input
+-- The new function can decide with what arguments by returing them, including the `self` reference
+-- If the "self" arg is not returned the old function is not called
+-- Note that this way the new function cannot change the return value of the old function
+function Object:__pipe(name, func)
+	local old_func = self[name]
+
+	self[name] = function(self, ...)
+		local rvals = {func(self, ...)}
+		-- check if self was returned properly
+		if rvals[1] then
+			-- if present, call the return function with the values the new function returned (converted back to a tuple)
+			return old_func(unpack(rvals))
+		end
+	end
+end
+
+-- Make class available as table to distribute the Object table
+class = setmetatable({Object = Object}, {
+	-- Create a new class by calling class() with an optional superclass argument
+	__call = function(super)
+		return setmetatable({}, {
+			-- Create a new instance of the class when the class is called
+			__call = function(_class, ...)
+				-- Check whether the first argument is an instance of the class
+				-- If that is the case, just return it - this is to allow "making sure something is the instance of a class" by calling the constructor
+				local argtbl = {...}
+				local first_arg = args[1]
+				if first_arg and type(first_arg) == "table" and inst.CLASS = _class then
+					return inst
+				end
+				-- set the metatable and remember which class the object belongs to
+				local instance = setmetatable({CLASS = _class}, {
+					__index = _class,
+				})
+				-- call the constructor if present
+				if instance.constructor then
+					instance:constructor(...)
+				end
+				-- return the created instance
+				return instance
+			end,
+			-- Object as superclass of all classes that dont have a different one
+			__index = super or Object,
+		})
+	end
+}
+

mods/CORE/mcl_armor/init.lua

@@ -0,0 +1,118 @@
+local old_damage_handler = MCLObject.handle_damage
+
+function MCLObject:handle_damage(hp, source)
+	local hp_old = old_damage_handler(hp, source)
+	if hp_old then
+		return hp_old
+	end
+
+	if source.bypasses_armor and source.bypasses_magic then
+		return
+	end
+
+	local heal_max = 0
+	local items = 0
+	local armor_damage = math.max(1, math.floor(math.abs(hp) / 4))
+
+	local total_points = 0
+	local total_toughness = 0
+	local epf = 0
+	local thorns_damage = 0
+	local thorns_damage_regular = 0
+
+	for location, stack in pairs(self:equipment():get_armor()) do
+		if stack:get_count() > 0 then
+			local enchantments = mcl_enchanting.get_enchantments(stack)
+			local pts = stack:get_definition().groups["mcl_armor_points"] or 0
+			local tough = stack:get_definition().groups["mcl_armor_toughness"] or 0
+			total_points = total_points + pts
+			total_toughness = total_toughness + tough
+			local protection_level = enchantments.protection or 0
+			if protection_level > 0 then
+				epf = epf + protection_level * 1
+			end
+			local blast_protection_level = enchantments.blast_protection or 0
+			if blast_protection_level > 0 and damage_type == "explosion" then
+				epf = epf + blast_protection_level * 2
+			end
+			local fire_protection_level = enchantments.fire_protection or 0
+			if fire_protection_level > 0 and (damage_type == "burning" or damage_type == "fireball" or reason.type == "node_damage" and
+				(reason.node == "mcl_fire:fire" or reason.node == "mcl_core:lava_source" or reason.node == "mcl_core:lava_flowing")) then
+				epf = epf + fire_protection_level * 2
+			end
+			local projectile_protection_level = enchantments.projectile_protection or 0
+			if projectile_protection_level and (damage_type == "projectile" or damage_type == "fireball") then
+				epf = epf + projectile_protection_level * 2
+			end
+				local feather_falling_level = enchantments.feather_falling or 0
+				if feather_falling_level and reason.type == "fall" then
+					epf = epf + feather_falling_level * 3
+				end
+
+				local did_thorns_damage = false
+				local thorns_level = enchantments.thorns or 0
+				if thorns_level then
+					if thorns_level > 10 then
+						thorns_damage = thorns_damage + thorns_level - 10
+						did_thorns_damage = true
+					elseif thorns_damage_regular < 4 and thorns_level * 0.15 > math.random() then
+						local thorns_damage_regular_new = math.min(4, thorns_damage_regular + math.random(4))
+						thorns_damage = thorns_damage + thorns_damage_regular_new - thorns_damage_regular
+						thorns_damage_regular = thorns_damage_regular_new
+						did_thorns_damage = true
+					end
+				end
+
+				-- Damage armor
+				local use = stack:get_definition().groups["mcl_armor_uses"] or 0
+				if use > 0 and regular_reduction then
+					local unbreaking_level = enchantments.unbreaking or 0
+					if unbreaking_level > 0 then
+						use = use / (0.6 + 0.4 / (unbreaking_level + 1))
+					end
+					local wear = armor_damage * math.floor(65536/use)
+					if did_thorns_damage then
+						wear = wear * 3
+					end
+					stack:add_wear(wear)
+				end
+
+				local item = stack:get_name()
+				armor_inv:set_stack("armor", i, stack)
+				player_inv:set_stack("armor", i, stack)
+				items = items + 1
+				if stack:get_count() == 0 then
+					armor:set_player_armor(player)
+					armor:update_inventory(player)
+				end
+			end
+		end
+		local damage = math.abs(hp_change)
+
+		if regular_reduction then
+			-- Damage calculation formula (from <https://minecraft.gamepedia.com/Armor#Damage_protection>)
+			damage = damage * (1 - math.min(20, math.max((total_points/5), total_points - damage / (2+(total_toughness/4)))) / 25)
+		end
+		damage = damage * (1 - (math.min(20, epf) / 25))
+		damage = math.floor(damage+0.5)
+
+		if reason.type == "punch" and thorns_damage > 0 then
+			local obj = reason.object
+			if obj then
+				local luaentity = obj:get_luaentity()
+				if luaentity then
+					local shooter = obj._shooter
+					if shooter then
+						obj = shooter
+					end
+				end
+				obj:punch(player, 1.0, {
+					full_punch_interval=1.0,
+					damage_groups = {fleshy = thorns_damage},
+				})
+			end
+		end
+
+		hp_change = -math.abs(damage)
+	return hp
+end

mods/CORE/mcl_damage_source/init.lua

@@ -0,0 +1,24 @@
+MCLDamageSource = class()
+
+function MCLDamageSource:constructor(tbl, hitter)
+	for k, v in pairs(tbl or {}) do
+		self[k] = v
+	end
+	self.hitter = hitter
+end
+
+MCLDamageSource:__getter("direct_object", function(self)
+	local hitter = self.hitter
+	if not hitter then
+		return
+	end
+	return mcl_object_mgr.get(hitter)
+end)
+
+MCLDamageSource:__getter("source_object", function(self)
+	local direct = self:direct_object()
+	if not direct then
+		return
+	end
+	return direct.source_object or direct
+end)

mods/CORE/mcl_entity/init.lua

@@ -0,0 +1,62 @@
+MCLEntity = class(MCLObject)
+
+MCLEntity:__getter("meta", MCLMetadata)
+
+local last_inv_id = 0
+
+MCLEntity:__getter("inventory", function(self)
+	local info = self.inventory_info
+	if not info then
+		return
+	end
+	self.inventory_id = "mcl_entity:" .. last_inv_id
+	last_inv_id = last_inv_id + 1
+	local inv = minetest.create_detached_inventory(self.inventory_id, self.inventory_callbacks)
+	for list, size in pairs(data.sizes) do
+		inv:set_size(list, size)
+	end
+	for list, liststr in pairs(data.lists) do
+		inv:set_list(list, liststr)
+	end
+	return inv
+end)
+
+function MCLEntity:on_activate(staticdata)
+	local data = minetest.deserialize(staticdata)
+	if data then
+		self:meta():from_table(data)
+		self.inventory_info = data.inventory
+	end
+end
+
+function MCLEntity:get_staticdata()
+	local data = self:meta():to_table()
+	local inventory_info = self.inventory_info
+
+	if inventory_info then
+		data.inventory = {
+			sizes = inventory_info.sizes,
+			lists = self:inventory():get_lists()
+		}
+	end
+
+	return minetest.serialize(data)
+end
+
+function MCLEntity:calculate_knockback(...)
+	return minetest.calculate_knockback(self.object, ...)
+end
+
+function MCLEntity:on_punch(...)
+	hp = MCLObject.on_punch(self, ...)
+
+	self.damage_info.info.knockback = self:calculate_knockback(...)
+end
+
+function MCLEntity:on_damage(hp_change, source, info)
+	MCLObject.on_damage(self, hp_change, source, info)
+
+	if info.knockback then
+		self:add_velocity(info.knockback)
+	end
+end

mods/CORE/mcl_equipment/init.lua

@@ -0,0 +1,103 @@
+MCLEquipment = class()
+
+function MCLEquipment:constructor(inv, idx)
+	self.inv = inv
+	self.idx = idx
+end
+
+MCLEquipment:__cache_getter("has_main", function(self)
+	return self.inv and self.idx and self.inv:get_list("main") and true or false
+end)
+
+MCLEquipment:__cache_getter("has_right", function(self)
+	return self.inv and self.inv:get_list("right_hand") and true or false
+end)
+
+MCLEquipment:__cache_getter("has_left", function(self)
+	return self.inv and self.inv:get_list("left_hand") and true or false
+end)
+
+MCLEquipment:__cache_getter("has_armor", function(self)
+	return self.inv and self.inv:get_list("armor") and true or false
+end)
+
+function MCLEquipment:mainhand()
+	if self:has_main() then
+		return self.inv:get_stack("main", self.idx)
+	elseif self:has_right() then
+		return self.inv:get_stack("right_hand", 1)
+	else
+		return ItemStack()
+	end
+end
+
+MCLEquipment:__setter("mainhand", function(self, new)
+	if self:has_main() then
+		self.inv:set_stack("main", self.idx, stack)
+	elseif self:has_right() then
+		self.inv:set_stack("right_hand", 1, stack)
+	end
+end)
+
+function MCLEquipment:offhand()
+	if self:has_left() then
+		return self.inv:get_stack("left_hand", 1)
+	else
+		return ItemStack()
+	end
+end
+
+MCLEquipment:__setter("offhand", function(self, new)
+	if self:has_left() then
+		self.inv:set_stack("left_hand", 1, new)
+	end
+end)
+
+function MCLEquipment:__armor(idx, name)
+	self[name] = function(self)
+		if self:has_armor() then
+			return self.inv:get_stack("armor", idx)
+		else
+			return ItemStack()
+		end
+	end
+
+	self:__setter(name, function(self, new)
+		if self:has_armor() then
+			self.inv:set_stack("armor", idx, new)
+		end
+	end)
+end
+
+local armor_slots = {"head", "chest", "legs", "feet"}
+
+for i, name in ipairs(armor_slots) do
+	MCLEquipment:__armor(idx, name)
+end
+
+local function insert(tbl, key, stack)
+	if stack:get_name() ~= "" then
+		tbl[key] = stack
+	end
+end
+
+function MCLEquipment:get_armor()
+	local tbl = {}
+	if self:has_armor() then
+		for i, name in ipairs(armor_slots) do
+			insert(tbl, name, self.inv:get_stack("armor", i))
+		end
+	end
+	return tbl
+end
+
+function MCLEquipment:get_all()
+	local tbl = {}
+	insert(tbl, "mainhand", self:mainhand())
+	insert(tbl, "offhand", self:offhand())
+	for k, v in pairs(self:get_armor()) do
+		tbl[k] = v
+	end
+	return tbl
+end
+

mods/CORE/mcl_gamerules/init.lua

@@ -0,0 +1,66 @@
+mcl_gamerules = {
+	__defaults = {},
+	__rules = {},
+}
+
+setmetatable(mcl_gamerules, {__index = mcl_gamerules.__rules})
+
+local worldpath = minetest.get_worldpath()
+
+function mcl_gamerules.__load()
+	local file = io.open(worldpath .. "gamerules.json", "r")
+	if file then
+		local contents = file:read("*all")
+		file:close()
+		local data = minetest.parse_json(contents)
+		local rules = mcl_gamerules.__rules
+		for rule, default in pairs(mcl_gamerules.__defaults) do
+			local value = data[rule]
+			if value == nil then
+				value = default
+			end
+			rules[rule] = value
+		end
+	end
+end
+
+function mcl_gamerules.__save()
+	local file = io.open(worldpath .. "gamerules.json", "w")
+	file:write(minetest.write_json(mcl_gamerules.__rules, true))
+	file:close()
+end
+
+function mcl_gamerules.__set(rule, value)
+	if not mcl_gamerules.__defaults[rule] then
+		return false
+	end
+	mcl_gamerules.__rules[rule] = value
+	mcl_gamerules.__save()
+	return true
+end
+
+function mcl_gamerules.__register(rule, default)
+	mcl_gamerules.__defaults[rule] = default
+end
+
+mcl_gamerules.__register("announceAdvancements", true)
+mcl_gamerules.__register("commandBlockOutput", true)
+mcl_gamerules.__register("doDaylightCycle", true)
+mcl_gamerules.__register("doFireTick", true)
+mcl_gamerules.__register("doImmediateRespawn", false)
+mcl_gamerules.__register("doMobLoot", true)
+mcl_gamerules.__register("doMobSpawning", true)
+mcl_gamerules.__register("doTileDrops", true)
+mcl_gamerules.__register("doWeatherCycle", true)
+mcl_gamerules.__register("drowningDamage", true)
+mcl_gamerules.__register("fallDamage", true)
+mcl_gamerules.__register("fireDamage", true)
+mcl_gamerules.__register("keepInventory", false)
+mcl_gamerules.__register("logAdminCommands", true)
+mcl_gamerules.__register("mobGriefing", true)
+mcl_gamerules.__register("naturalRegeneration", true)
+mcl_gamerules.__register("pvp", true)
+mcl_gamerules.__register("showDeathMessages", true)
+mcl_gamerules.__register("tntExplodes", true)
+
+minetest.register_on_mods_loaded(mcl_gamerules.__load)

mods/CORE/mcl_itemstack/init.lua

@@ -0,0 +1,31 @@
+MCLItemStack = class()
+
+function MCLItemStack:constructor(stack)
+	self.stack = stack
+end
+
+MCLItemStack:__getter("enchantments", function(self)
+	return mcl_enchanting.get_enchantments(self.stack)
+end)
+MCLItemStack:__comparator("enchantments", mcl_types.match_enchantments)
+
+function MCLItemStack:meta()
+	return self.stack:get_meta()
+end
+MCLItemStack:__comparator("meta", mcl_types.match_meta)
+
+function MCLItemStack:get_enchantment(name)
+	return self:enchantments()[name]
+end
+
+function MCLItemStack:has_enchantment(name)
+	return self:get_enchantment(name) > 0
+end
+
+function MCLItemStack:durability()
+	local def = self.stack:get_definition()
+	if def then
+		local base_uses = def._mcl_uses
+
+	end
+end

mods/CORE/mcl_metadata/init.lua

@@ -0,0 +1,25 @@
+MCLMetadata = class()
+
+function MCLMetadata:constructor()
+	self.fields = {}
+end
+
+for _type, default in pairs({string = "", float = 0.0, int = 0}) do
+	MCLMetadata["set_" .. _type] = function(name, value) do
+		if value == default then
+			value = nil
+		end
+		self.fields[name] = value
+	end
+	MCLMetadata["get_" .. _type] = function(name) do
+		return self.fields[name] or default
+	end
+end
+
+function MCLMetadata:to_table()
+	return table.copy(self)
+end
+
+function MCLMetadata:from_table(tbl)
+	self.fields = table.copy(tbl.fields)
+end

mods/CORE/mcl_mob/init.lua

@@ -0,0 +1,18 @@
+MCLMob = class(MCLEntity)
+
+function MCLMob:get_hp()
+	self:meta():get_float("hp")
+end
+
+function MCLMob:set_hp()
+	self:meta():set_float("hp", hp)
+end
+
+function MCLMob:on_damage(hp_change, source, info)
+	MCLEntity.on_damage(self, hp_change, source, info)
+
+	local new_hp = self:get_hp()
+	if new_hp <= 0 and new_hp + hp_change > 0 then
+		self:on_death(source)
+	end
+end

mods/CORE/mcl_object/init.lua

@@ -0,0 +1,89 @@
+MCLObject = class()
+
+function MCLObject:constructor(obj)
+	self.object = obj.object or obj
+	self.IS_MCL_OBJECT = true
+end
+
+function MCLObject:on_punch(hitter, time_from_last_punch, tool_capabilities, dir, hp)
+	local source = MCLDamageSource():punch(nil, hitter)
+
+	hp = self:damage_modifier(hp, source) or hp
+
+	self.damage_info = {
+		hp = hp,
+		source = source,
+		info = {
+			tool_capabilities = tool_capabilities,
+		},
+	}
+
+	return hp
+end
+
+-- use this function to deal regular damage to an object (do NOT use :punch() unless toolcaps need to be handled)
+function MCLObject:damage(hp, source)
+	hp = self:damage_modifier(hp, source) or hp
+	self:set_hp(self:get_hp() - hp)
+
+	self.damage_info = {
+		hp = hp,
+		source = source,
+	}
+
+	return hp
+end
+
+function MCLObject:wield_index()
+end
+
+MCLObject:__getter("equipment", function(self)
+	return MCLEquipment(self:inventory(), self:wield_index())
+end)
+
+function MCLObject:get_hp()
+	return self.object:get_hp()
+end
+
+function MCLObject:set_hp(hp)
+	self.object:set_hp(hp)
+end
+
+function MCLObject:add_velocity(vel)
+	self.object:add_velocity(vel)
+end
+
+function MCLObject:death_drop(inventory, listname, index, stack)
+	minetest.add_item(self.object:get_pos(), stack)
+	inventory:set_stack(listname, index, nil)
+end
+
+function MCLObject:on_death(source)
+	local inventory = self:inventory()
+	if inventory then
+		for listname, list in pairs(inventory:get_lists()) do
+			for index, stack in pairs(list) do
+				if stack:get_name() ~= "" and then
+					 self:death_drop(inventory, listname, index, stack)
+				end
+			end
+		end
+	end
+end
+
+function MCLObject:damage_modifier(hp, source)
+	if self.invulnerable and not source.bypasses_invulnerability then
+		return 0
+	end
+end
+
+function MCLObject:on_damage(hp_change, source, info)
+end
+
+function MCLObject:on_step()
+	local damage_info = self.damage_info
+	if damage_info then
+		self.damage_info = nil
+		self:on_damage(damage_info.hp, damage_info.source, damage_info.info)
+	end
+end

mods/CORE/mcl_object_mgr/init.lua

@@ -0,0 +1,112 @@
+mcl_object_mgr = {
+	players = {}
+}
+
+-- functions
+
+function mcl_object_mgr.get(obj)
+	local rval
+
+	if mcl_object_mgr.is_mcl_object(obj) then
+		rval = obj
+	elseif mcl_object_mgr.is_player(obj) then
+		rval = mcl_object_mgr.get_player(obj)
+	elseif mcl_object_mgr.is_entity(obj) then
+		rval = mcl_object_mgr.get_entity(obj)
+	end
+
+	return assert(rval, "No matching MCLObject found. This is most likely an error caused by custom mods.")
+end
+
+function mcl_object_mgr.is_mcl_object(obj)
+	return type(obj) == "table" and obj.IS_MCL_OBJECT
+end
+
+function mcl_object_mgr.is_player(obj)
+	return type(obj) == "string" or type(obj) == "userdata" and obj:is_player()
+end
+
+function mcl_object_mgr.is_is_entity(obj)
+	return type(obj) == "table" and obj.object or type(obj) == "userdata" and obj:get_luaentity()
+end
+
+function mcl_object_mgr.get_entity(ent)
+	if type(ent) == "userdata" then
+		ent = ent:get_luaentity()
+	end
+	return ent.mcl_entity
+end
+
+function mcl_object_mgr.get_player(name)
+	if type(name) == "userdata" then
+		name = name:get_player_name()
+	end
+	return mcl_player_mgr.players[name]
+end
+
+-- entity wrappers
+
+local function add_entity_wrapper(def, name)
+	def[name] = function(luaentity, ...)
+		local func = self.mcl_entity[name]
+		if func then
+			return func(self.mcl_entity, ...)
+		end
+	end
+end
+
+function mcl_object_mgr.register_entity(name, initial_properties, base_class)
+	 local def = {
+		initial_properties = initial_properties,
+
+		on_activate = function(self, ...)
+			local entity = base_class(self.object)
+			self.mcl_entity = entity
+			if entity.on_activate then
+				entity:on_activate(...)
+			end
+		end,
+	}
+
+	add_entity_wrapper(def, "on_deactivate")
+	add_entity_wrapper(def, "on_step")
+	add_entity_wrapper(def, "on_death")
+	add_entity_wrapper(def, "on_rightclick")
+	add_entity_wrapper(def, "on_attach_child")
+	add_entity_wrapper(def, "on_detach_child")
+	add_entity_wrapper(def, "on_detach")
+	add_entity_wrapper(def, "get_staticdata")
+
+	minetest.register_entity(name, def)
+end
+
+-- player wrappers
+
+minetest.register_on_joinplayer(function(player)
+	local name = player:get_player_name()
+	mcl_player_mgr.players[name] = MCLPlayer(player)
+	mcl_player_mgr.players[name]:on_join()
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	local name = player:get_player_name()
+	mcl_player_mgr.players[name]:on_leave()
+	mcl_player_mgr.players[name] = nil
+end)
+
+local function add_player_wrapper(wrapper, regfunc)
+	minetest[regfunc or "register_" .. wrapper .. "player"](function(player, ...)
+		local mclplayer = mcl_player_mgr.players[player:get_player_name()]
+		local func = mclplayer[funcname or wrapper]
+		if func then
+			func(mclplayer, ...)
+		end
+	end)
+end
+
+add_player_wrapper("on_punch")
+add_player_wrapper("on_rightclick")
+add_player_wrapper("on_death", "register_on_dieplayer")
+add_player_wrapper("on_respawn")
+
+minetest.register_on_player_hpchange(function(player, hp_change, reason))

mods/CORE/mcl_player/init.lua

@@ -0,0 +1,15 @@
+MCLPlayer = class(MCLObject)
+
+MCLPlayer:__cache_getter("meta", function(self)
+	return self.object:get_meta()
+end)
+
+MCLPlayer:__cache_getter("inventory", function(self)
+	return self.object:get_inventory()
+end)
+
+MCLPlayer:__override_pipe("death_drop", function(self, inventory, listname, index, stack)
+	if not mcl_gamerules.keepInventory then
+		return self, inventory, listname, index, stack
+	end
+end)

mods/ITEMS/mcl_chests/init.lua

@@ -1055,6 +1055,12 @@ minetest.register_on_joinplayer(function(player)
 	inv:set_size("enderchest", 9*3)
 end)
 
+function MCLPlayer:__override_pipe("death_drop", function(self, inventory, listname, index, stack)
+	if listname ~= "enderchest" then
+		return self, inventory, listname, index, stack
+	end
+end)
+
 minetest.register_craft({
 	output = 'mcl_chests:ender_chest',
 	recipe = {

mods/ITEMS/mcl_enchanting/enchantments.lua

@@ -105,7 +105,6 @@ mcl_enchanting.enchantments.curse_of_binding = {
 	inv_tool_tab = false,
 }
 
--- implemented in mcl_death_drop
 mcl_enchanting.enchantments.curse_of_vanishing = {
 	name = S("Curse of Vanishing"),
 	max_level = 1,
@@ -124,6 +123,14 @@ mcl_enchanting.enchantments.curse_of_vanishing = {
 	inv_tool_tab = true,
 }
 
+MCLPlayer:__override("death_drop", function(self, inventory, listname, index, stack)
+	if mcl_enchanting.has_enchantment(stack, "curse_of_vanishing") then
+		stack = nil
+	end
+
+	return self, inventory, listname, index, stack
+end)
+
 -- implemented in mcl_playerplus
 mcl_enchanting.enchantments.depth_strider = {
 	name = S("Depth Strider"),