mirror of
https://github.com/minetest-mods/technic.git
synced 2024-11-15 23:10:41 +01:00
358 lines
12 KiB
Lua
358 lines
12 KiB
Lua
-- Configuration
|
|
|
|
local chainsaw_max_charge = 30000 -- Maximum charge of the saw
|
|
-- Gives 2500 nodes on a single charge (about 50 complete normal trees)
|
|
local chainsaw_charge_per_node = 12
|
|
-- Cut down tree leaves. Leaf decay may cause slowness on large trees
|
|
-- if this is disabled.
|
|
local chainsaw_leaves = true
|
|
|
|
-- The default trees
|
|
local timber_nodenames = {
|
|
["default:jungletree"] = true,
|
|
["default:papyrus"] = true,
|
|
["default:cactus"] = true,
|
|
["default:tree"] = true,
|
|
["default:apple"] = true,
|
|
["default:pine"] = true,
|
|
}
|
|
|
|
if chainsaw_leaves then
|
|
timber_nodenames["default:leaves"] = true
|
|
timber_nodenames["default:jungleleaves"] = true
|
|
timber_nodenames["default:pine_needles"] = true
|
|
end
|
|
|
|
-- technic_worldgen defines rubber trees if moretrees isn't installed
|
|
if minetest.get_modpath("technic_worldgen") or
|
|
minetest.get_modpath("moretrees") then
|
|
timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
|
|
timber_nodenames["moretrees:rubber_tree_trunk"] = true
|
|
if chainsaw_leaves then
|
|
timber_nodenames["moretrees:rubber_tree_leaves"] = true
|
|
end
|
|
end
|
|
|
|
-- Support moretrees if it is there
|
|
if minetest.get_modpath("moretrees") then
|
|
timber_nodenames["moretrees:acacia_trunk"] = true
|
|
timber_nodenames["moretrees:apple_tree_trunk"] = true
|
|
timber_nodenames["moretrees:beech_trunk"] = true
|
|
timber_nodenames["moretrees:birch_trunk"] = true
|
|
timber_nodenames["moretrees:fir_trunk"] = true
|
|
timber_nodenames["moretrees:oak_trunk"] = true
|
|
timber_nodenames["moretrees:palm_trunk"] = true
|
|
timber_nodenames["moretrees:pine_trunk"] = true
|
|
timber_nodenames["moretrees:sequoia_trunk"] = true
|
|
timber_nodenames["moretrees:spruce_trunk"] = true
|
|
timber_nodenames["moretrees:willow_trunk"] = true
|
|
timber_nodenames["moretrees:jungletree_trunk"] = true
|
|
|
|
if chainsaw_leaves then
|
|
timber_nodenames["moretrees:acacia_leaves"] = true
|
|
timber_nodenames["moretrees:apple_tree_leaves"] = true
|
|
timber_nodenames["moretrees:oak_leaves"] = true
|
|
timber_nodenames["moretrees:fir_leaves"] = true
|
|
timber_nodenames["moretrees:fir_leaves_bright"] = true
|
|
timber_nodenames["moretrees:sequoia_leaves"] = true
|
|
timber_nodenames["moretrees:birch_leaves"] = true
|
|
timber_nodenames["moretrees:birch_leaves"] = true
|
|
timber_nodenames["moretrees:palm_leaves"] = true
|
|
timber_nodenames["moretrees:spruce_leaves"] = true
|
|
timber_nodenames["moretrees:spruce_leaves"] = true
|
|
timber_nodenames["moretrees:pine_leaves"] = true
|
|
timber_nodenames["moretrees:willow_leaves"] = true
|
|
timber_nodenames["moretrees:jungletree_leaves_green"] = true
|
|
timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
|
|
timber_nodenames["moretrees:jungletree_leaves_red"] = true
|
|
timber_nodenames["moretrees:acorn"] = true
|
|
timber_nodenames["moretrees:coconut"] = true
|
|
timber_nodenames["moretrees:spruce_cone"] = true
|
|
timber_nodenames["moretrees:pine_cone"] = true
|
|
timber_nodenames["moretrees:fir_cone"] = true
|
|
timber_nodenames["moretrees:apple_blossoms"] = true
|
|
end
|
|
end
|
|
|
|
-- Support growing_trees
|
|
if minetest.get_modpath("growing_trees") then
|
|
timber_nodenames["growing_trees:trunk"] = true
|
|
timber_nodenames["growing_trees:medium_trunk"] = true
|
|
timber_nodenames["growing_trees:big_trunk"] = true
|
|
timber_nodenames["growing_trees:trunk_top"] = true
|
|
timber_nodenames["growing_trees:trunk_sprout"] = true
|
|
timber_nodenames["growing_trees:branch_sprout"] = true
|
|
timber_nodenames["growing_trees:branch"] = true
|
|
timber_nodenames["growing_trees:branch_xmzm"] = true
|
|
timber_nodenames["growing_trees:branch_xpzm"] = true
|
|
timber_nodenames["growing_trees:branch_xmzp"] = true
|
|
timber_nodenames["growing_trees:branch_xpzp"] = true
|
|
timber_nodenames["growing_trees:branch_zz"] = true
|
|
timber_nodenames["growing_trees:branch_xx"] = true
|
|
|
|
if chainsaw_leaves then
|
|
timber_nodenames["growing_trees:leaves"] = true
|
|
end
|
|
end
|
|
|
|
-- Support growing_cactus
|
|
if minetest.get_modpath("growing_cactus") then
|
|
timber_nodenames["growing_cactus:sprout"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_vertical"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_xp"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_xm"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_zp"] = true
|
|
timber_nodenames["growing_cactus:branch_sprout_zm"] = true
|
|
timber_nodenames["growing_cactus:trunk"] = true
|
|
timber_nodenames["growing_cactus:branch_trunk"] = true
|
|
timber_nodenames["growing_cactus:branch"] = true
|
|
timber_nodenames["growing_cactus:branch_xp"] = true
|
|
timber_nodenames["growing_cactus:branch_xm"] = true
|
|
timber_nodenames["growing_cactus:branch_zp"] = true
|
|
timber_nodenames["growing_cactus:branch_zm"] = true
|
|
timber_nodenames["growing_cactus:branch_zz"] = true
|
|
timber_nodenames["growing_cactus:branch_xx"] = true
|
|
end
|
|
|
|
-- Support farming_plus
|
|
if minetest.get_modpath("farming_plus") then
|
|
if chainsaw_leaves then
|
|
timber_nodenames["farming_plus:banana_leaves"] = true
|
|
timber_nodenames["farming_plus:banana"] = true
|
|
timber_nodenames["farming_plus:cocoa_leaves"] = true
|
|
timber_nodenames["farming_plus:cocoa"] = true
|
|
end
|
|
end
|
|
|
|
-- Support nature
|
|
if minetest.get_modpath("nature") then
|
|
if chainsaw_leaves then
|
|
timber_nodenames["nature:blossom"] = true
|
|
end
|
|
end
|
|
|
|
-- Support snow
|
|
if minetest.get_modpath("snow") then
|
|
if chainsaw_leaves then
|
|
timber_nodenames["snow:needles"] = true
|
|
timber_nodenames["snow:needles_decorated"] = true
|
|
timber_nodenames["snow:star"] = true
|
|
end
|
|
end
|
|
|
|
-- Support vines (also generated by moretrees if available)
|
|
if minetest.get_modpath("vines") then
|
|
if chainsaw_leaves then
|
|
timber_nodenames["vines:vines"] = true
|
|
end
|
|
end
|
|
|
|
local S = technic.getter
|
|
|
|
technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
|
|
|
|
-- Table for saving what was sawed down
|
|
local produced = {}
|
|
|
|
-- Save the items sawed down so that we can drop them in a nice single stack
|
|
local function handle_drops(drops)
|
|
for _, item in ipairs(drops) do
|
|
local stack = ItemStack(item)
|
|
local name = stack:get_name()
|
|
local p = produced[name]
|
|
if not p then
|
|
produced[name] = stack
|
|
else
|
|
p:set_count(p:get_count() + stack:get_count())
|
|
end
|
|
end
|
|
end
|
|
|
|
--- Iterator over positions to try to saw around a sawed node.
|
|
-- This returns positions in a 3x1x3 area around the position, plus the
|
|
-- position above it. This does not return the bottom position to prevent
|
|
-- the chainsaw from cutting down nodes below the cutting position.
|
|
-- @param pos Sawing position.
|
|
local function iterSawTries(pos)
|
|
-- Copy position to prevent mangling it
|
|
local pos = vector.new(pos)
|
|
local i = 0
|
|
|
|
return function()
|
|
i = i + 1
|
|
-- Given a (top view) area like so (where 5 is the starting position):
|
|
-- X -->
|
|
-- Z 123
|
|
-- | 456
|
|
-- V 789
|
|
-- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9,
|
|
-- and the position above 5.
|
|
if i == 1 then
|
|
-- Move to starting position
|
|
pos.x = pos.x - 1
|
|
pos.z = pos.z - 1
|
|
elseif i == 4 or i == 7 then
|
|
-- Move to next X and back to start of Z when we reach
|
|
-- the end of a Z line.
|
|
pos.x = pos.x + 1
|
|
pos.z = pos.z - 2
|
|
elseif i == 5 then
|
|
-- Skip the middle position (we've already run on it)
|
|
-- and double-increment the counter.
|
|
pos.z = pos.z + 2
|
|
i = i + 1
|
|
elseif i <= 9 then
|
|
-- Go to next Z.
|
|
pos.z = pos.z + 1
|
|
elseif i == 10 then
|
|
-- Move back to center and up.
|
|
-- The Y+ position must be last so that we don't dig
|
|
-- straight upward and not come down (since the Y-
|
|
-- position isn't checked).
|
|
pos.x = pos.x - 1
|
|
pos.z = pos.z - 1
|
|
pos.y = pos.y + 1
|
|
else
|
|
return nil
|
|
end
|
|
return pos
|
|
end
|
|
end
|
|
|
|
-- This function does all the hard work. Recursively we dig the node at hand
|
|
-- if it is in the table and then search the surroundings for more stuff to dig.
|
|
local function recursive_dig(pos, remaining_charge)
|
|
if remaining_charge < chainsaw_charge_per_node then
|
|
return remaining_charge
|
|
end
|
|
local node = minetest.get_node(pos)
|
|
|
|
if not timber_nodenames[node.name] then
|
|
return remaining_charge
|
|
end
|
|
|
|
-- Wood found - cut it
|
|
handle_drops(minetest.get_node_drops(node.name, ""))
|
|
minetest.remove_node(pos)
|
|
remaining_charge = remaining_charge - chainsaw_charge_per_node
|
|
|
|
-- Check surroundings and run recursively if any charge left
|
|
for npos in iterSawTries(pos) do
|
|
if remaining_charge < chainsaw_charge_per_node then
|
|
break
|
|
end
|
|
if timber_nodenames[minetest.get_node(npos).name] then
|
|
remaining_charge = recursive_dig(npos, remaining_charge)
|
|
end
|
|
end
|
|
return remaining_charge
|
|
end
|
|
|
|
-- Function to randomize positions for new node drops
|
|
local function get_drop_pos(pos)
|
|
local drop_pos = {}
|
|
|
|
for i = 0, 8 do
|
|
-- Randomize position for a new drop
|
|
drop_pos.x = pos.x + math.random(-3, 3)
|
|
drop_pos.y = pos.y - 1
|
|
drop_pos.z = pos.z + math.random(-3, 3)
|
|
|
|
-- Move the randomized position upwards until
|
|
-- the node is air or unloaded.
|
|
for y = drop_pos.y, drop_pos.y + 5 do
|
|
drop_pos.y = y
|
|
local node = minetest.get_node_or_nil(drop_pos)
|
|
|
|
if not node then
|
|
-- If the node is not loaded yet simply drop
|
|
-- the item at the original digging position.
|
|
return pos
|
|
elseif node.name == "air" then
|
|
-- Add variation to the entity drop position,
|
|
-- but don't let drops get too close to the edge
|
|
drop_pos.x = drop_pos.x + (math.random() * 0.8) - 0.5
|
|
drop_pos.z = drop_pos.z + (math.random() * 0.8) - 0.5
|
|
return drop_pos
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Return the original position if this takes too long
|
|
return pos
|
|
end
|
|
|
|
-- Chainsaw entry point
|
|
local function chainsaw_dig(pos, current_charge)
|
|
-- Start sawing things down
|
|
local remaining_charge = recursive_dig(pos, current_charge)
|
|
minetest.sound_play("chainsaw", {pos = pos, gain = 1.0,
|
|
max_hear_distance = 10})
|
|
|
|
-- Now drop items for the player
|
|
for name, stack in pairs(produced) do
|
|
-- Drop stacks of stack max or less
|
|
local count, max = stack:get_count(), stack:get_stack_max()
|
|
stack:set_count(max)
|
|
while count > max do
|
|
minetest.add_item(get_drop_pos(pos), stack)
|
|
count = count - max
|
|
end
|
|
stack:set_count(count)
|
|
minetest.add_item(get_drop_pos(pos), stack)
|
|
end
|
|
|
|
-- Clean up
|
|
produced = {}
|
|
|
|
return remaining_charge
|
|
end
|
|
|
|
|
|
minetest.register_tool("technic:chainsaw", {
|
|
description = S("Chainsaw"),
|
|
inventory_image = "technic_chainsaw.png",
|
|
stack_max = 1,
|
|
wear_represents = "technic_RE_charge",
|
|
on_refill = technic.refill_RE_charge,
|
|
on_use = function(itemstack, user, pointed_thing)
|
|
if pointed_thing.type ~= "node" then
|
|
return itemstack
|
|
end
|
|
|
|
local meta = minetest.deserialize(itemstack:get_metadata())
|
|
if not meta or not meta.charge or
|
|
meta.charge < chainsaw_charge_per_node then
|
|
return
|
|
end
|
|
|
|
local name = user:get_player_name()
|
|
if minetest.is_protected(pointed_thing.under, name) then
|
|
minetest.record_protection_violation(pointed_thing.under, name)
|
|
return
|
|
end
|
|
|
|
-- Send current charge to digging function so that the
|
|
-- chainsaw will stop after digging a number of nodes
|
|
meta.charge = chainsaw_dig(pointed_thing.under, meta.charge)
|
|
|
|
technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
|
|
itemstack:set_metadata(minetest.serialize(meta))
|
|
return itemstack
|
|
end,
|
|
})
|
|
|
|
local mesecons_button = minetest.get_modpath("mesecons_button")
|
|
local trigger = mesecons_button and "mesecons_button:button_off" or "default:mese_crystal_fragment"
|
|
|
|
minetest.register_craft({
|
|
output = "technic:chainsaw",
|
|
recipe = {
|
|
{"technic:stainless_steel_ingot", trigger, "technic:battery"},
|
|
{"technic:fine_copper_wire", "technic:motor", "technic:battery"},
|
|
{"", "", "technic:stainless_steel_ingot"},
|
|
}
|
|
})
|
|
|