techage_modpack/techage/basis/assemble.lua
2022-01-04 19:43:30 +01:00

242 lines
6.8 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019-2020 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
Assemble routines
]]--
-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local S = techage.S
techage.assemble = {}
local Face2Dir = {[0]=
{x=0, y=0, z=1},
{x=1, y=0, z=0},
{x=0, y=0, z=-1},
{x=-1, y=0, z=0},
{x=0, y=-1, z=0},
{x=0, y=1, z=0}
}
-- Determine the destination position based on the base position,
-- param2, and a route table like : {0,3}
-- 0 = forward, 1 = right, 2 = backward, 3 = left
local function dest_pos(pos, param2, route, y_offs)
local p2 = param2
local pos1 = {x=pos.x, y=pos.y+y_offs, z=pos.z}
for _,dir in ipairs(route) do
p2 = (param2 + dir) % 4
pos1 = vector.add(pos1, Face2Dir[p2])
end
return pos1, p2
end
-- timer based function
local function build(pos, param2, AssemblyPlan, idx)
local item = AssemblyPlan[idx]
if item ~= nil then
local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
local pos1 = dest_pos(pos, param2, path, y)
minetest.add_node(pos1, {name=node_name, param2=(param2 + fd_offs) % 4})
minetest.after(0.5, build, pos, param2, AssemblyPlan, idx+1)
else
local nvm = techage.get_nvm(pos)
nvm.assemble_locked = false
end
end
-- timer based function
local function remove(pos, param2, AssemblyPlan, idx)
local item = AssemblyPlan[idx]
if item ~= nil then
local y, path = item[1], item[2]
local pos1 = dest_pos(pos, param2, path, y)
minetest.remove_node(pos1)
minetest.after(0.5, remove, pos, param2, AssemblyPlan, idx-1)
else
local nvm = techage.get_nvm(pos)
nvm.assemble_locked = false
end
end
local function check_space(pos, param2, AssemblyPlan, player_name)
for _,item in ipairs(AssemblyPlan) do
local y, path, node_name = item[1], item[2], item[4]
local pos1 = dest_pos(pos, param2, path, y)
if minetest.is_protected(pos1, player_name) then
minetest.chat_send_player(player_name, S("[TA] Area is protected!"))
return false
end
local node = techage.get_node_lvm(pos1)
local ndef = minetest.registered_nodes[node.name]
if not ndef or not ndef.buildable_to and node.name ~= node_name then
minetest.chat_send_player(player_name, S("[TA] Not enough space!"))
return false
end
end
return true
end
-- Two important flags:
-- 1) nvm.assemble_locked is true while the object is being assembled/disassembled
-- 2) nvm.assemble_build is true if the object is assembled
function techage.assemble.build(pos, AssemblyPlan, player_name)
-- check protection
if minetest.is_protected(pos, player_name) then
return
end
local nvm = techage.get_nvm(pos)
if nvm.assemble_locked then
return
end
local node = minetest.get_node(pos)
if check_space(pos, node.param2, AssemblyPlan, player_name) then
nvm.assemble_locked = true
build(pos, node.param2, AssemblyPlan, 1)
nvm.assemble_build = true
end
end
function techage.assemble.remove(pos, AssemblyPlan, player_name)
-- check protection
if minetest.is_protected(pos, player_name) then
return
end
local nvm = techage.get_nvm(pos)
if nvm.assemble_locked then
return
end
local node = minetest.get_node(pos)
nvm.assemble_locked = true
remove(pos, node.param2, AssemblyPlan, #AssemblyPlan)
nvm.assemble_build = false
end
--------------------------------------------------------------------------------
-- Assembly functions based on nodes from node inventory
--------------------------------------------------------------------------------
local function play_sound(pos, sound)
minetest.sound_play(sound, {
pos = pos,
gain = 1,
max_hear_distance = 10,
})
end
local function build_inv(pos, inv, param2, AssemblyPlan, player_name, idx)
local item = AssemblyPlan[idx]
if item ~= nil then
local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
local pos1 = dest_pos(pos, param2, path, y)
if not minetest.is_protected(pos1, player_name) then
local node = minetest.get_node(pos1)
if techage.is_air_like(node.name) then
local stack = inv:remove_item("src", ItemStack(node_name))
if stack:get_count() == 1 then
minetest.add_node(pos1, {name=node_name, param2=(param2 + fd_offs) % 4})
play_sound(pos, "default_place_node_hard")
local ndef = minetest.registered_nodes[node_name]
if ndef and ndef.after_place_node then
local placer = minetest.get_player_by_name(player_name)
ndef.after_place_node(pos1, placer, ItemStack(node_name))
end
end
end
end
minetest.after(0.5, build_inv, pos, inv, param2, AssemblyPlan, player_name, idx + 1)
else
local nvm = techage.get_nvm(pos)
nvm.assemble_locked = false
end
end
local function remove_inv(pos, inv, param2, AssemblyPlan, player_name, idx)
local item = AssemblyPlan[idx]
if item ~= nil then
local y, path, fd_offs, node_name = item[1], item[2], item[3], item[4]
local pos1 = dest_pos(pos, param2, path, y)
if not minetest.is_protected(pos1, player_name) then
local stack = ItemStack(node_name)
if inv:room_for_item("src", stack) then
local node = minetest.get_node(pos1)
if node.name == node_name then
minetest.remove_node(pos1)
inv:add_item("src", stack)
play_sound(pos, "default_dig_cracky")
local ndef = minetest.registered_nodes[node_name]
if ndef and ndef.after_dig_node then
local digger = minetest.get_player_by_name(player_name)
ndef.after_dig_node(pos1, pos, ItemStack(node_name), {}, digger)
end
end
end
end
minetest.after(0.5, remove_inv, pos, inv, param2, AssemblyPlan, player_name, idx - 1)
else
local nvm = techage.get_nvm(pos)
nvm.assemble_locked = false
end
end
function techage.assemble.build_inv(pos, inv, AssemblyPlan, player_name)
-- check protection
if minetest.is_protected(pos, player_name) then
return
end
local nvm = techage.get_nvm(pos)
if nvm.assemble_locked then
return
end
local node = minetest.get_node(pos)
nvm.assemble_locked = true
build_inv(pos, inv, node.param2, AssemblyPlan, player_name, 1)
end
function techage.assemble.remove_inv(pos, inv, AssemblyPlan, player_name)
-- check protection
if minetest.is_protected(pos, player_name) then
return
end
local nvm = techage.get_nvm(pos)
if nvm.assemble_locked then
return
end
local node = minetest.get_node(pos)
nvm.assemble_locked = true
remove_inv(pos, inv, node.param2, AssemblyPlan, player_name, #AssemblyPlan)
end
function techage.assemble.count_items(AssemblyPlan)
local t = {}
for _, item in ipairs(AssemblyPlan) do
local node_name = item[4]
local ndef = minetest.registered_nodes[node_name]
local name = ndef.description
if not t[name] then
t[name] = 1
else
t[name] = t[name] + 1
end
end
return t
end
-- Determine the destination position based on the given route
-- param2, and a route table like : {0,3}
-- 0 = forward, 1 = right, 2 = backward, 3 = left
-- techage.assemble.get_pos(pos, param2, route, y_offs)
techage.assemble.get_pos = dest_pos