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Quarry: Allow digging in different airlike environments 

This offloads the digging check to a separate function for better code separation.
This commit is contained in:
SmallJoker 2023-09-23 13:24:49 +02:00
parent dfcf64c1d0
commit fda8a3d042
1 changed files with 38 additions and 27 deletions
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65
technic/machines/HV/quarry.lua
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@ -110,6 +110,41 @@ local function quarry_handle_purge(pos)
end
end
-- Determines whether the quarry can dig the node at "pos"
-- "startpos" is located a few nodes above the quarry in South West direction (X-, Z-)
-- Returns the node to dig (to avoid double minetest.get_node lookup)
local function quarry_can_dig_node(startpos, pos, quarry_owner)
if minetest.is_protected(pos, quarry_owner) then
return nil
end
local node = technic.get_or_load_node(pos) or minetest.get_node(pos)
local def = minetest.registered_nodes[node.name] or {diggable=false}
-- doors mod among other thing does NOT like a nil digger...
local fakedigger = pipeworks.create_fake_player({
name = quarry_owner
})
if not def.diggable or (def.can_dig and not def.can_dig(pos, fakedigger)) then
return nil
end
-- Find airlike nodes on top of the current node. The entire Y column must be free.
local dir = (pos.y+1 < startpos.y) and 1 or -1
for ay = pos.y+1, startpos.y, dir do
local checkpos = {x=pos.x, y=ay, z=pos.z}
local checknode = technic.get_or_load_node(checkpos) or minetest.get_node(checkpos)
local cdef = minetest.registered_nodes[checknode.name] or {}
local is_kind_of_gas = cdef.buildable_to and cdef.sunlight_propagates and not cdef.walkable
and not cdef.diggable and (cdef.drawtype == "airlike" or cdef.drawtype == "glasslike")
if not is_kind_of_gas then
return nil
end
end
return node
end
local function quarry_run(pos, node)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
@ -153,35 +188,11 @@ local function quarry_run(pos, node)
vector.new(0, -ry, 0)),
vector.multiply(pdir, rp)),
vector.multiply(qdir, rq))
local can_dig = true
if can_dig and minetest.is_protected and minetest.is_protected(digpos, owner) then
can_dig = false
end
local dignode
if can_dig then
dignode = technic.get_or_load_node(digpos) or minetest.get_node(digpos)
local dignodedef = minetest.registered_nodes[dignode.name] or {diggable=false}
-- doors mod among other thing does NOT like a nil digger...
local fakedigger = pipeworks.create_fake_player({
name = owner
})
if not dignodedef.diggable or (dignodedef.can_dig and not dignodedef.can_dig(digpos, fakedigger)) then
can_dig = false
end
end
if can_dig then
for ay = startpos.y, digpos.y+1, -1 do
local checkpos = {x=digpos.x, y=ay, z=digpos.z}
local checknode = technic.get_or_load_node(checkpos) or minetest.get_node(checkpos)
if checknode.name ~= "air" then
can_dig = false
break
end
end
end
nd = nd + 1
if can_dig then
local dignode = quarry_can_dig_node(startpos, digpos, owner)
if dignode then
minetest.remove_node(digpos)
local drops = minetest.get_node_drops(dignode.name, "")
for _, dropped_item in ipairs(drops) do