From 6cc471e986c694298716c257528c653395bd757d Mon Sep 17 00:00:00 2001
From: Zefram <zefram@fysh.org>
Date: Fri, 15 Aug 2014 13:25:46 +0200
Subject: [PATCH] Simplify music player interface

---
 technic/machines/register/battery_box.lua |  215 +++++++++++++++++++++++++++++++++--------------------
 1 files changed, 135 insertions(+), 80 deletions(-)

diff --git a/technic/machines/register/battery_box.lua b/technic/machines/register/battery_box.lua
index 55431e7..4474dcf 100644
--- a/technic/machines/register/battery_box.lua
+++ b/technic/machines/register/battery_box.lua
@@ -2,9 +2,9 @@
 local S = technic.getter
 
 technic.register_power_tool("technic:battery", 10000)
-technic.register_power_tool("technic:red_energy_crystal", 100000)
-technic.register_power_tool("technic:green_energy_crystal", 250000)
-technic.register_power_tool("technic:blue_energy_crystal", 500000)
+technic.register_power_tool("technic:red_energy_crystal", 50000)
+technic.register_power_tool("technic:green_energy_crystal", 150000)
+technic.register_power_tool("technic:blue_energy_crystal", 450000)
 
 minetest.register_craft({
 	output = 'technic:battery',
@@ -18,6 +18,8 @@
 minetest.register_tool("technic:battery", {
 	description = S("RE Battery"),
 	inventory_image = "technic_battery.png",
+	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	tool_capabilities = {
 		charge = 0,
 		max_drop_level = 0,
@@ -27,6 +29,33 @@
 	}
 })
 
+local tube = {
+	insert_object = function(pos, node, stack, direction)
+		if direction.y == 0 then
+			return stack
+		end
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if direction.y > 0 then
+			return inv:add_item("src", stack)
+		else
+			return inv:add_item("dst", stack)
+		end
+	end,
+	can_insert = function(pos, node, stack, direction)
+		if direction.y == 0 then
+			return false
+		end
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if direction.y > 0 then
+			return inv:room_for_item("src", stack)
+		else
+			return inv:room_for_item("dst", stack)
+		end
+	end,
+	connect_sides = {left=1, right=1, back=1, top=1, bottom=1},
+}
 
 function technic.register_battery_box(data)
 	local tier = data.tier
@@ -43,12 +72,95 @@
 		"label[5,0;"..S("Discharge").."]"..
 		"label[1,3;"..S("Power level").."]"..
 		"list[current_player;main;0,5;8,4;]"
+	
+	if data.upgrade then
+		formspec = formspec..
+			"list[current_name;upgrade1;3.5,3;1,1;]"..
+			"list[current_name;upgrade2;4.5,3;1,1;]"..
+			"label[3.5,4;"..S("Upgrade Slots").."]"
+	end
 
+	local run = function(pos, node)
+		local meta           = minetest.get_meta(pos)
+		local eu_input       = meta:get_int(tier.."_EU_input")
+		local current_charge = meta:get_int("internal_EU_charge")
+
+		local EU_upgrade, tube_upgrade = 0, 0
+		if data.upgrade then
+			EU_upgrade, tube_upgrade = technic.handle_machine_upgrades(meta)
+		end
+		local max_charge = data.max_charge * (1 + EU_upgrade / 10)
+			
+		-- Charge/discharge the battery with the input EUs
+		if eu_input >= 0 then
+			current_charge = math.min(current_charge + eu_input, max_charge)
+		else
+			current_charge = math.max(current_charge + eu_input, 0)
+		end
+
+		-- Charging/discharging tools here
+		local tool_full, tool_empty
+		current_charge, tool_full = technic.charge_tools(meta,
+				current_charge, data.charge_step)
+		current_charge, tool_empty = technic.discharge_tools(meta,
+				current_charge, data.discharge_step,
+				max_charge)
+			
+		if data.tube then
+			local inv = meta:get_inventory()
+			technic.handle_machine_pipeworks(pos, tube_upgrade,
+			function(pos, x_velocity, z_velocity)
+				if tool_full and not inv:is_empty("src") then
+					technic.send_items(pos, x_velocity, z_velocity, "src")
+				elseif tool_empty and not inv:is_empty("dst") then
+					technic.send_items(pos, x_velocity, z_velocity, "dst")
+				end
+			end)
+		end
+
+		-- We allow batteries to charge on less than the demand
+		meta:set_int(tier.."_EU_demand",
+				math.min(data.charge_rate, max_charge - current_charge))
+		meta:set_int(tier.."_EU_supply",
+				math.min(data.discharge_rate, current_charge))
+			meta:set_int("internal_EU_charge", current_charge)
+
+		-- Select node textures
+		local charge_count = math.ceil((current_charge / max_charge) * 8)
+		charge_count = math.min(charge_count, 8)
+		charge_count = math.max(charge_count, 0)
+		local last_count = meta:get_float("last_side_shown")
+		if charge_count ~= last_count then
+			technic.swap_node(pos,"technic:"..ltier.."_battery_box"..charge_count)
+			meta:set_float("last_side_shown", charge_count)
+		end
+
+		local charge_percent = math.floor(current_charge / max_charge * 100)
+		meta:set_string("formspec",
+			formspec..
+			"image[1,1;1,2;technic_power_meter_bg.png"
+			.."^[lowpart:"..charge_percent
+			..":technic_power_meter_fg.png]")
+
+		local infotext = S("%s Battery Box: %d/%d"):format(tier,
+				current_charge, max_charge)
+		if eu_input == 0 then
+			infotext = S("%s Idle"):format(infotext)
+		end
+		meta:set_string("infotext", infotext)
+	end
+	
 	for i = 0, 8 do
-		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
+		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1}
 		if i ~= 0 then
 			groups.not_in_creative_inventory = 1
 		end
+		
+		if data.tube then
+			groups.tubedevice = 1
+			groups.tubedevice_receiver = 1
+		end
+		
 		minetest.register_node("technic:"..ltier.."_battery_box"..i, {
 			description = S("%s Battery Box"):format(tier),
 			tiles = {"technic_"..ltier.."_battery_box_top.png",
@@ -58,6 +170,8 @@
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
 			groups = groups,
+			tube = data.tube and tube or nil,
+			paramtype2 = "facedir",
 			sounds = default.node_sound_wood_defaults(),
 			drop = "technic:"..ltier.."_battery_box0",
 			on_construct = function(pos)
@@ -73,78 +187,16 @@
 				meta:set_float("internal_EU_charge", 0)
 				inv:set_size("src", 1)
 				inv:set_size("dst", 1)
+				inv:set_size("upgrade1", 1)
+				inv:set_size("upgrade2", 1)
 			end,
 			can_dig = technic.machine_can_dig,
 			allow_metadata_inventory_put = technic.machine_inventory_put,
 			allow_metadata_inventory_take = technic.machine_inventory_take,
 			allow_metadata_inventory_move = technic.machine_inventory_move,
+			technic_run = run,
 		})
 	end
-
-
-	minetest.register_abm({
-		nodenames = {"technic:"..ltier.."_battery_box0", "technic:"..ltier.."_battery_box1",
-		             "technic:"..ltier.."_battery_box2", "technic:"..ltier.."_battery_box3",
-		             "technic:"..ltier.."_battery_box4", "technic:"..ltier.."_battery_box5",
-		             "technic:"..ltier.."_battery_box6", "technic:"..ltier.."_battery_box7",
-		             "technic:"..ltier.."_battery_box8"},
-		interval = 1,
-		chance   = 1,
-		action = function(pos, node, active_object_count, active_object_count_wider)
-			local meta           = minetest.get_meta(pos)
-			local eu_input       = meta:get_int(tier.."_EU_input")
-			local current_charge = meta:get_int("internal_EU_charge")
-
-			-- Power off automatically if no longer connected to a switching station
-			technic.switching_station_timeout_count(pos, tier)
-
-			-- Charge/discharge the battery with the input EUs
-			if eu_input >= 0 then
-				current_charge = math.min(current_charge + eu_input, data.max_charge)
-			else
-				current_charge = math.max(current_charge + eu_input, 0)
-			end
-
-			-- Charging/discharging tools here
-			current_charge = technic.charge_tools(meta,
-					current_charge, data.charge_step)
-			current_charge = technic.discharge_tools(meta,
-					current_charge, data.discharge_step,
-					data.max_charge)
-
-			-- We allow batteries to charge on less than the demand
-			meta:set_int(tier.."_EU_demand",
-					math.min(data.charge_rate, data.max_charge - current_charge))
-			meta:set_int(tier.."_EU_supply",
-					math.min(data.discharge_rate, current_charge))
-
-			meta:set_int("internal_EU_charge", current_charge)
-
-			-- Select node textures
-			local charge_count = math.ceil((current_charge / data.max_charge) * 8)
-			charge_count = math.min(charge_count, 8)
-			charge_count = math.max(charge_count, 0)
-			local last_count = meta:get_float("last_side_shown")
-			if charge_count ~= last_count then
-				technic.swap_node(pos,"technic:"..ltier.."_battery_box"..charge_count)
-				meta:set_float("last_side_shown", charge_count)
-			end
-
-			local charge_percent = math.floor(current_charge / data.max_charge * 100)
-			meta:set_string("formspec",
-				formspec..
-				"image[1,1;1,2;technic_power_meter_bg.png"
-				.."^[lowpart:"..charge_percent
-				..":technic_power_meter_fg.png]")
-
-			local infotext = S("%s Battery Box: %d/%d"):format(tier,
-					current_charge, data.max_charge)
-			if eu_input == 0 then
-				infotext = S("%s Idle"):format(infotext)
-			end
-			meta:set_string("infotext", infotext)
-		end
-	})
 
 	-- Register as a battery type
 	-- Battery type machines function as power reservoirs and can both receive and give back power
@@ -158,14 +210,13 @@
 function technic.charge_tools(meta, batt_charge, charge_step)
 	local inv = meta:get_inventory()
 	if inv:is_empty("src") then
-		return batt_charge
+		return batt_charge, false
 	end
 	local srcstack = inv:get_stack("src", 1)
-	local src_meta = minetest.deserialize(srcstack:get_metadata())
 
 	local toolname = srcstack:get_name()
 	if not technic.power_tools[toolname] then
-		return batt_charge
+		return batt_charge, false
 	end
 	-- Set meta data for the tool if it didn't do it itself
 	src_meta = minetest.deserialize(srcstack:get_metadata())
@@ -176,8 +227,10 @@
 	-- Do the charging
 	local item_max_charge = technic.power_tools[toolname]
 	local tool_charge     = src_meta.charge
-	if tool_charge >= item_max_charge or batt_charge <= 0 then
-		return batt_charge
+	if tool_charge >= item_max_charge then
+		return batt_charge, true
+	elseif batt_charge <= 0 then
+		return batt_charge, false
 	end
 	charge_step = math.min(charge_step, batt_charge)
 	charge_step = math.min(charge_step, item_max_charge - tool_charge)
@@ -187,19 +240,19 @@
 	src_meta.charge = tool_charge
 	srcstack:set_metadata(minetest.serialize(src_meta))
 	inv:set_stack("src", 1, srcstack)
-	return batt_charge
+	return batt_charge, (tool_charge == item_max_charge)
 end
 
 
 function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
 	local inv = meta:get_inventory()
 	if inv:is_empty("dst") then
-		return batt_charge
+		return batt_charge, false
 	end
 	srcstack = inv:get_stack("dst", 1)
 	local toolname = srcstack:get_name()
 	if technic.power_tools[toolname] == nil then
-		return batt_charge
+		return batt_charge, false
 	end
 	-- Set meta data for the tool if it didn't do it itself :-(
 	local src_meta = minetest.deserialize(srcstack:get_metadata())
@@ -211,8 +264,10 @@
 	-- Do the discharging
 	local item_max_charge = technic.power_tools[toolname]
 	local tool_charge     = src_meta.charge
-	if tool_charge <= 0 or batt_charge >= max_charge then
-		return batt_charge
+	if tool_charge <= 0 then
+		return batt_charge, true
+	elseif batt_charge >= max_charge then
+		return batt_charge, false
 	end
 	charge_step = math.min(charge_step, max_charge - batt_charge)
 	charge_step = math.min(charge_step, tool_charge)
@@ -222,6 +277,6 @@
 	src_meta.charge = tool_charge
 	srcstack:set_metadata(minetest.serialize(src_meta))
 	inv:set_stack("dst", 1, srcstack)
-	return batt_charge
+	return batt_charge, (tool_charge == 0)
 end
 

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