drawers/lua/visual.lua

310 lines
8.9 KiB
Lua
Executable File

--[[
Minetest Mod Storage Drawers - A Mod adding storage drawers
Copyright (C) 2017 LNJ <git@lnj.li>
MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
]]
-- Load support for intllib.
local MP = core.get_modpath(core.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")
core.register_entity("drawers:visual", {
initial_properties = {
hp_max = 1,
physical = false,
collide_with_objects = false,
collisionbox = {-0.4374, -0.4374, 0, 0.4374, 0.4374, 0}, -- for param2 0, 2
visual = "upright_sprite", -- "wielditem" for items without inv img?
visual_size = {x = 0.6, y = 0.6},
textures = {"blank.png"},
spritediv = {x = 1, y = 1},
initial_sprite_basepos = {x = 0, y = 0},
is_visible = true,
},
get_staticdata = function(self)
return core.serialize({
drawer_posx = self.drawer_pos.x,
drawer_posy = self.drawer_pos.y,
drawer_posz = self.drawer_pos.z,
texture = self.texture,
drawerType = self.drawerType,
visualId = self.visualId
})
end,
on_activate = function(self, staticdata, dtime_s)
-- Restore data
local data = core.deserialize(staticdata)
if data then
self.drawer_pos = {
x = data.drawer_posx,
y = data.drawer_posy,
z = data.drawer_posz,
}
self.texture = data.texture
self.drawerType = data.drawerType or 1
self.visualId = data.visualId or ""
-- backwards compatibility
if self.texture == "drawers_empty.png" then
self.texture = "blank.png"
end
else
self.drawer_pos = drawers.last_drawer_pos
self.texture = drawers.last_texture or "blank.png"
self.visualId = drawers.last_visual_id
self.drawerType = drawers.last_drawer_type
end
-- add self to public drawer visuals
-- this is needed because there is no other way to get this class
-- only the underlying LuaEntitySAO
-- PLEASE contact me, if this is wrong
local vId = self.visualId
if vId == "" then vId = 1 end
local posstr = core.serialize(self.drawer_pos)
if not drawers.drawer_visuals[posstr] then
drawers.drawer_visuals[posstr] = {[vId] = self}
else
drawers.drawer_visuals[posstr][vId] = self
end
local node = core.get_node(self.drawer_pos)
-- collisionbox
local colbox
if self.drawerType ~= 2 then
if node.param2 == 1 or node.param2 == 3 then
colbox = {0, -0.4374, -0.4374, 0, 0.4374, 0.4374}
else
colbox = {-0.4374, -0.4374, 0, 0.4374, 0.4374, 0} -- for param2 = 0 or 2
end
-- only half the size if it's a small drawer
if self.drawerType > 1 then
for i,j in pairs(colbox) do
colbox[i] = j * 0.5
end
end
else
if node.param2 == 1 or node.param2 == 3 then
colbox = {0, -0.2187, -0.4374, 0, 0.2187, 0.4374}
else
colbox = {-0.4374, -0.2187, 0, 0.4374, 0.2187, 0} -- for param2 = 0 or 2
end
end
-- visual size
local visual_size = {x = 0.6, y = 0.6}
if self.drawerType >= 2 then
visual_size = {x = 0.3, y = 0.3}
end
-- drawer values
local meta = core.get_meta(self.drawer_pos)
local vid = self.visualId
self.count = meta:get_int("count"..vid)
self.itemName = meta:get_string("name"..vid)
self.maxCount = meta:get_int("max_count"..vid)
self.itemStackMax = meta:get_int("base_stack_max"..vid)
self.stackMaxFactor = meta:get_int("stack_max_factor"..vid)
-- infotext
local infotext = meta:get_string("entity_infotext"..vid) .. "\n\n\n\n\n"
self.object:set_properties({
collisionbox = colbox,
infotext = infotext,
textures = {self.texture},
visual_size = visual_size
})
-- make entity undestroyable
self.object:set_armor_groups({immortal = 1})
end,
on_rightclick = function(self, clicker)
local leftover = self.try_insert_stack(self, clicker:get_wielded_item(),
not clicker:get_player_control().sneak)
clicker:set_wielded_item(leftover)
end,
on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
local meta = core.get_meta(self.drawer_pos)
if self.count <= 0 then
return
end
local removeCount = 1
if not puncher:get_player_control().sneak then
removeCount = ItemStack(self.itemName):get_stack_max()
end
if removeCount > self.count then removeCount = self.count end
local stack = ItemStack(self.itemName)
stack:set_count(removeCount)
local inv = puncher:get_inventory()
if not inv:room_for_item("main", stack) then
return
end
inv:add_item("main", stack)
self.count = self.count - removeCount
meta:set_int("count"..self.visualId, self.count)
-- update infotext
local itemDescription = ""
if core.registered_items[self.itemName] then
itemDescription = core.registered_items[self.itemName].description
end
if self.count <= 0 then
self.itemName = ""
meta:set_string("name"..self.visualId, self.itemName)
self.texture = "blank.png"
itemDescription = S("Empty")
end
local infotext = drawers.gen_info_text(itemDescription,
self.count, self.stackMaxFactor, self.itemStackMax)
meta:set_string("entity_infotext"..self.visualId, infotext)
self.object:set_properties({
infotext = infotext .. "\n\n\n\n\n",
textures = {self.texture}
})
end,
try_insert_stack = function(self, itemstack, insert_stack)
local stackCount = itemstack:get_count()
local stackName = itemstack:get_name()
-- if nothing to be added, return
if stackCount <= 0 then return itemstack end
-- if no itemstring, return
if stackName == "" then return itemstack end
-- only add one, if player holding sneak key
if not insert_stack then
stackCount = 1
end
-- if current itemstring is not empty
if self.itemName ~= "" then
-- check if same item
if stackName ~= self.itemName then return itemstack end
else -- is empty
self.itemName = stackName
self.count = 0
-- get new stack max
self.itemStackMax = ItemStack(self.itemName):get_stack_max()
self.maxCount = self.itemStackMax * self.stackMaxFactor
end
-- Don't add items stackable only to 1
if self.itemStackMax == 1 then
return itemstack
end
-- set new counts:
-- if new count is more than max_count
if (self.count + stackCount) > self.maxCount then
itemstack:set_count(self.count + stackCount - self.maxCount)
self.count = self.maxCount
else -- new count fits
self.count = self.count + stackCount
-- this is for only removing one
itemstack:set_count(itemstack:get_count() - stackCount)
end
-- get meta
local meta = core.get_meta(self.drawer_pos)
-- update infotext
local itemDescription
if core.registered_items[self.itemName] then
itemDescription = core.registered_items[self.itemName].description
else
itemDescription = S("Empty")
end
local infotext = drawers.gen_info_text(itemDescription,
self.count, self.stackMaxFactor, self.itemStackMax)
meta:set_string("entity_infotext"..self.visualId, infotext)
-- texture
self.texture = drawers.get_inv_image(self.itemName)
self.object:set_properties({
infotext = infotext .. "\n\n\n\n\n",
textures = {self.texture}
})
self.saveMetaData(self, meta)
if itemstack:get_count() == 0 then itemstack = ItemStack("") end
return itemstack
end,
saveMetaData = function(self, meta)
meta:set_int("count"..self.visualId, self.count)
meta:set_string("name"..self.visualId, self.itemName)
meta:set_int("max_count"..self.visualId, self.maxCount)
meta:set_int("base_stack_max"..self.visualId, self.itemStackMax)
meta:set_int("stack_max_factor"..self.visualId, self.stackMaxFactor)
end
})
core.register_lbm({
name = "drawers:restore_visual",
nodenames = {"group:drawer"},
run_at_every_load = true,
action = function(pos, node)
local drawerType = core.registered_nodes[node.name].groups.drawer
local foundVisuals = 0
local objs = core.get_objects_inside_radius(pos, 0.537)
if objs then
for _, obj in pairs(objs) do
if obj and obj:get_luaentity() and
obj:get_luaentity().name == "drawers:visual" then
foundVisuals = foundVisuals + 1
end
end
end
-- if all drawer visuals were found, return
if foundVisuals == drawerType then
return
end
-- not enough visuals found, remove existing and create new ones
drawers.remove_visuals(pos)
drawers.spawn_visuals(pos)
end
})