Add a chest-like visible armor stand, closes #48

3d_armor_stand/init.lua

@@ -0,0 +1,158 @@
+local armor_stand_formspec = "size[8,7]" ..
+	default.gui_bg ..
+	default.gui_bg_img ..
+	default.gui_slots ..
+	default.get_hotbar_bg(0,3) ..
+	"list[current_name;armor_head;3,0.5;1,1;]" ..
+	"list[current_name;armor_torso;4,0.5;1,1;]" ..
+	"list[current_name;armor_legs;3,1.5;1,1;]" ..
+	"list[current_name;armor_feet;4,1.5;1,1;]" ..
+	"image[3,0.5;1,1;3d_armor_stand_head.png]" ..
+	"image[4,0.5;1,1;3d_armor_stand_torso.png]" ..
+	"image[3,1.5;1,1;3d_armor_stand_legs.png]" ..
+	"image[4,1.5;1,1;3d_armor_stand_feet.png]" ..
+	"list[current_player;main;0,3;8,1;]" ..
+	"list[current_player;main;0,4.25;8,3;8]"
+
+local elements = {"head", "torso", "legs", "feet"}
+
+local function update_entity(pos)
+	local object = nil
+	local node = minetest.get_node(pos)
+	local objects = minetest.get_objects_inside_radius(pos, 1) or {}
+	for _, obj in pairs(objects) do
+		local ent = obj:get_luaentity()
+		if ent then
+			if ent.name == "3d_armor_stand:armor_entity" then
+				-- Remove duplicates
+				if object then
+					obj:remove()
+				else
+					object = obj
+				end
+			end
+		end
+	end
+	if object then
+		if node.name ~= "3d_armor_stand:armor_stand" then
+			object:remove()
+			return
+		end
+	else
+		object = minetest.add_entity(pos, "3d_armor_stand:armor_entity")
+	end
+	if object then
+		local texture = "3d_armor_trans.png"
+		local textures = {}
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		local yaw = 0
+		if inv then
+			for _, element in pairs(elements) do
+				local stack = inv:get_stack("armor_"..element, 1)
+				if stack:get_count() == 1 then
+					local item = stack:get_name() or ""
+					local def = stack:get_definition() or {}
+					local texture = def.texture or item:gsub("%:", "_")
+					table.insert(textures, texture..".png")
+				end
+			end
+		end
+		if #textures > 0 then
+			texture = table.concat(textures, "^")
+		end
+		if node.param2 then
+			local rot = node.param2 % 4
+			if rot == 1 then
+				yaw = 3 * math.pi / 2
+			elseif rot == 2 then
+				yaw = math.pi
+			elseif rot == 3 then
+				yaw = math.pi / 2
+			end
+		end
+		object:setyaw(yaw)
+		object:set_properties({textures={texture}})
+	end
+end
+
+minetest.register_node("3d_armor_stand:armor_stand", {
+	description = "Armor stand",
+	drawtype = "mesh",
+	mesh = "3d_armor_stand.obj",
+	tiles = {"default_wood.png", "default_steel_block.png"},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5,-0.5,-0.5, 0.5,1.4,0.5}
+	},
+	groups = {choppy=2, oddly_breakable_by_hand=2},
+	sounds = default.node_sound_wood_defaults(),
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", armor_stand_formspec)
+		meta:set_string("infotext", "Armor Stand")
+		local inv = meta:get_inventory()
+		for _, element in pairs(elements) do
+			inv:set_size("armor_"..element, 1)
+		end
+	end,
+	can_dig = function(pos, player)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		for _, element in pairs(elements) do
+			if not inv:is_empty("armor_"..element) then
+				return false
+			end
+		end
+		return true
+	end,
+	after_place_node = function(pos)
+		minetest.add_entity(pos, "3d_armor_stand:armor_entity")
+	end,
+	allow_metadata_inventory_put = function(pos, listname, index, stack)
+		local def = stack:get_definition() or {}
+		local groups = def.groups or {}
+		if groups[listname] then
+			return 1
+		end
+		return 0
+	end,
+	allow_metadata_inventory_move = function(pos)
+		return 0
+	end,
+    on_metadata_inventory_put = function(pos)
+		update_entity(pos)
+	end,
+    on_metadata_inventory_take = function(pos)
+		update_entity(pos)
+	end,
+	after_destruct = function(pos)
+		update_entity(pos)
+	end,
+})
+
+minetest.register_entity("3d_armor_stand:armor_entity", {
+	physical = true,
+	visual = "mesh",
+	mesh = "3d_armor_entity.obj",
+	visual_size = {x=1, y=1},
+	collisionbox = {-0.1,-0.4,-0.1, 0.1,1.3,0.1},
+	textures = {"3d_armor_trans.png"},
+	on_activate = function(self)
+		local pos = self.object:getpos()
+		update_entity(pos)
+	end,
+})
+
+minetest.register_craft({
+	output = "3d_armor_stand:armor_stand",
+	recipe = {
+		{"", "default:fence_wood", ""},
+		{"", "default:fence_wood", ""},
+		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
+	}
+})
+