update technic and re-enable quarries

1 files changed, 269 insertions, 0 deletions

diff --git a/technic/machines/HV/quarry.lua b/technic/machines/HV/quarry.lua
index e69de29..86ca395 100644
--- a/technic/machines/HV/quarry.lua
+++ b/technic/machines/HV/quarry.lua
@@ -0,0 +1,269 @@
+
+local S = technic.getter
+
+local tube_entry = "^pipeworks_tube_connection_metallic.png"
+local cable_entry = "^technic_cable_connection_overlay.png"
+
+minetest.register_craft({
+	recipe = {
+		{"technic:carbon_plate",       "pipeworks:filter",       "technic:composite_plate"},
+		{"technic:motor",              "technic:machine_casing", "technic:diamond_drill_head"},
+		{"technic:carbon_steel_block", "technic:hv_cable",       "technic:carbon_steel_block"}},
+	output = "technic:quarry",
+})
+
+local quarry_dig_above_nodes = 3 -- How far above the quarry we will dig nodes
+local quarry_max_depth       = 100
+local quarry_demand = 10000
+local quarry_eject_dir = vector.new(0, 1, 0)
+
+local function set_quarry_formspec(meta)
+	local radius = meta:get_int("size")
+	local formspec = "size[6,4.3]"..
+		"list[context;cache;0,1;4,3;]"..
+		"item_image[4.8,0;1,1;technic:quarry]"..
+		"label[0,0.2;"..S("%s Quarry"):format("HV").."]"..
+		"field[4.3,3.5;2,1;size;"..S("Radius:")..";"..radius.."]"
+	if meta:get_int("enabled") == 0 then
+		formspec = formspec.."button[4,1;2,1;enable;"..S("Disabled").."]"
+	else
+		formspec = formspec.."button[4,1;2,1;disable;"..S("Enabled").."]"
+	end
+	local diameter = radius*2 + 1
+	local nd = meta:get_int("dug")
+	local rel_y = quarry_dig_above_nodes - math.floor(nd / (diameter*diameter))
+	formspec = formspec.."label[0,4;"..minetest.formspec_escape(
+			nd == 0 and S("Digging not started") or
+			(rel_y < -quarry_max_depth and S("Digging finished") or
+				(meta:get_int("purge_on") == 1 and S("Purging cache") or
+				S("Digging %d m "..(rel_y > 0 and "above" or "below").." machine")
+					:format(math.abs(rel_y))))
+			).."]"
+	formspec = formspec.."button[4,2;2,1;restart;"..S("Restart").."]"
+	meta:set_string("formspec", formspec)
+end
+
+local function set_quarry_demand(meta)
+	local radius = meta:get_int("size")
+	local diameter = radius*2 + 1
+	local machine_name = S("%s Quarry"):format("HV")
+	if meta:get_int("enabled") == 0 or meta:get_int("purge_on") == 1 then
+		meta:set_string("infotext", S(meta:get_int("purge_on") == 1 and "%s purging cache" or "%s Disabled"):format(machine_name))
+		meta:set_int("HV_EU_demand", 0)
+	elseif meta:get_int("dug") == diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) then
+		meta:set_string("infotext", S("%s Finished"):format(machine_name))
+		meta:set_int("HV_EU_demand", 0)
+	else
+		meta:set_string("infotext", S(meta:get_int("HV_EU_input") >= quarry_demand and "%s Active" or "%s Unpowered"):format(machine_name))
+		meta:set_int("HV_EU_demand", quarry_demand)
+	end
+end
+
+local function quarry_receive_fields(pos, formname, fields, sender)
+	local meta = minetest.get_meta(pos)
+	if fields.size and string.find(fields.size, "^[0-9]+$") then
+		local size = tonumber(fields.size)
+		if size >= 2 and size <= 8 and size ~= meta:get_int("size") then
+			meta:set_int("size", size)
+			meta:set_int("dug", 0)
+		end
+	end
+	if fields.enable then meta:set_int("enabled", 1) end
+	if fields.disable then meta:set_int("enabled", 0) end
+	if fields.restart then
+		meta:set_int("dug", 0)
+		meta:set_int("purge_on", 1)
+	end
+	set_quarry_formspec(meta)
+	set_quarry_demand(meta)
+end
+
+local function quarry_handle_purge(pos)
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	local i = 0
+	for _,stack in ipairs(inv:get_list("cache")) do
+		i = i + 1
+		if stack then
+			local item = stack:to_table()
+			if item then
+				technic.tube_inject_item(pos, pos, quarry_eject_dir, item)
+				stack:clear()
+				inv:set_stack("cache", i, stack)
+				break
+			end
+		end
+	end
+	if inv:is_empty("cache") then
+		meta:set_int("purge_on", 0)
+	end
+end
+
+local function quarry_run(pos, node)
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	-- initialize cache for the case we load an older world
+	inv:set_size("cache", 12)
+	-- toss a coin whether we do an automatic purge. Chance 1:200
+	local purge_rand = math.random()
+	if purge_rand <= 0.005 then
+		meta:set_int("purge_on", 1)
+	end
+
+	if meta:get_int("enabled") and meta:get_int("HV_EU_input") >= quarry_demand and meta:get_int("purge_on") == 0 then
+		local pdir = minetest.facedir_to_dir(node.param2)
+		local qdir = pdir.x == 1 and vector.new(0,0,-1) or
+			(pdir.z == -1 and vector.new(-1,0,0) or
+			(pdir.x == -1 and vector.new(0,0,1) or
+			vector.new(1,0,0)))
+		local radius = meta:get_int("size")
+		local diameter = radius*2 + 1
+		local startpos = vector.add(vector.add(vector.add(pos,
+			vector.new(0, quarry_dig_above_nodes, 0)),
+			pdir),
+			vector.multiply(qdir, -radius))
+		local owner = meta:get_string("owner")
+		local nd = meta:get_int("dug")
+		while nd ~= diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) do
+			local ry = math.floor(nd / (diameter*diameter))
+			local ndl = nd % (diameter*diameter)
+			if ry % 2 == 1 then
+				ndl = diameter*diameter - 1 - ndl
+			end
+			local rq = math.floor(ndl / diameter)
+			local rp = ndl % diameter
+			if rq % 2 == 1 then rp = diameter - 1 - rp end
+			local digpos = vector.add(vector.add(vector.add(startpos,
+				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 = {
+					get_player_name = function()
+						return "!technic_quarry_fake_digger"
+					end,
+					is_player = function() return false end,
+					get_wielded_item = function()
+						return ItemStack("air")
+					end,
+				}
+				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
+				minetest.remove_node(digpos)
+				local drops = minetest.get_node_drops(dignode.name, "")
+				for _, dropped_item in ipairs(drops) do
+					local left = inv:add_item("cache", dropped_item)
+					while not left:is_empty() do
+						meta:set_int("purge_on", 1)
+						quarry_handle_purge(pos)
+						left = inv:add_item("cache", left)
+					end
+				end
+				break
+			end
+		end
+		if nd == diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) then
+			-- if a quarry is finished, we enable purge mode
+			meta:set_int("purge_on", 1)
+		end
+		meta:set_int("dug", nd)
+	else
+		-- if a quarry is disabled or has no power, we enable purge mode
+		meta:set_int("purge_on", 1)
+	end
+	-- if something triggered a purge, we handle it
+	if meta:get_int("purge_on") == 1 then
+		quarry_handle_purge(pos)
+	end
+	set_quarry_formspec(meta)
+	set_quarry_demand(meta)
+end
+
+local function send_move_error(player)
+	minetest.chat_send_player(player:get_player_name(),
+		S("Manually taking/removing from cache by hand is not possible. "..
+		"If you can't wait, restart or disable the quarry to start automatic purge."))
+	return 0
+end
+
+minetest.register_node("technic:quarry", {
+	description = S("%s Quarry"):format("HV"),
+	tiles = {
+		"technic_carbon_steel_block.png"..tube_entry,
+		"technic_carbon_steel_block.png"..cable_entry,
+		"technic_carbon_steel_block.png"..cable_entry,
+		"technic_carbon_steel_block.png"..cable_entry,
+		"technic_carbon_steel_block.png^default_tool_mesepick.png",
+		"technic_carbon_steel_block.png"..cable_entry
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, tubedevice=1, technic_machine=1, technic_hv=1},
+	connect_sides = {"bottom", "front", "left", "right"},
+	tube = {
+		connect_sides = {top = 1},
+		-- lower priority than other tubes, so that quarries will prefer any
+		-- other tube to another quarry, which could lead to server freezes
+		-- in certain quarry placements (2x2 for example would never eject)
+		priority = 10,
+		can_go = function(pos, node, velocity, stack)
+			-- always eject the same, even if items came in another way
+			-- this further mitigates loops and generally avoids random sideway movement
+			-- that can be expected in certain quarry placements
+			return { quarry_eject_dir }
+		end
+	},
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", S("%s Quarry"):format("HV"))
+		meta:set_int("size", 4)
+		set_quarry_formspec(meta)
+		set_quarry_demand(meta)
+	end,
+	after_place_node = function(pos, placer, itemstack)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("owner", placer:get_player_name())
+		pipeworks.scan_for_tube_objects(pos)
+	end,
+	can_dig = function(pos,player)
+		local meta = minetest.get_meta(pos);
+		local inv = meta:get_inventory()
+		return inv:is_empty("cache")
+	end,
+	after_dig_node = pipeworks.scan_for_tube_objects,
+	on_receive_fields = quarry_receive_fields,
+	technic_run = quarry_run,
+	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		return send_move_error(player)
+	end,
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		return send_move_error(player)
+	end,
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+		return send_move_error(player)
+	end
+})
+
+technic.register_machine("HV", "technic:quarry", technic.receiver)