From 888b0ebfec8c2eff9015163549a7e47443cb8665 Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Fri, 1 Apr 2016 21:00:20 -0400
Subject: "explode" all modpacks into their individual components (you can't
 have a modpack buried inside a modpack)

---
 technic/machines/LV/music_player.lua | 130 +++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 technic/machines/LV/music_player.lua

(limited to 'technic/machines/LV/music_player.lua')

diff --git a/technic/machines/LV/music_player.lua b/technic/machines/LV/music_player.lua
new file mode 100644
index 0000000..dc7e2d0
--- /dev/null
+++ b/technic/machines/LV/music_player.lua
@@ -0,0 +1,130 @@
+-- LV Music player.
+-- The player can play music. But it is high ampage!
+
+local S = technic.getter
+
+minetest.register_alias("music_player", "technic:music_player")
+minetest.register_craft({
+	output = 'technic:music_player',
+	recipe = {
+		{'technic:chromium_ingot', 'default:diamond',        'technic:chromium_ingot'},
+		{'default:diamond',        'technic:machine_casing', 'default:diamond'},
+		{'default:mossycobble',    'technic:lv_cable0',      'default:mossycobble'},
+	}
+})
+
+local music_handles = {}
+
+local function play_track(pos, track)
+	return minetest.sound_play("technic_track"..tostring(track),
+			{pos = pos, gain = 1.0, loop = true, max_hear_distance = 72,})
+end
+
+local run = function(pos, node)
+	local meta         = minetest.get_meta(pos)
+	local eu_input     = meta:get_int("LV_EU_input")
+	local machine_name = S("%s Music Player"):format("LV")
+	local machine_node = "technic:music_player"
+	local demand       = 150
+
+	local current_track = meta:get_int("current_track")
+	local pos_hash      = minetest.hash_node_position(pos)
+	local music_handle  = music_handles[pos_hash]
+
+	-- Setup meta data if it does not exist.
+	if not eu_input then
+		meta:set_int("LV_EU_demand", demand)
+		meta:set_int("LV_EU_input", 0)
+		return
+	end
+
+	if meta:get_int("active") == 0 then
+		meta:set_string("infotext", S("%s Idle"):format(machine_name))
+		meta:set_int("LV_EU_demand", 0)
+		return
+	end
+
+	if eu_input < demand then
+		meta:set_string("infotext", S("%s Unpowered"):format(machine_name))
+		if music_handle then
+			minetest.sound_stop(music_handle)
+			music_handle = nil
+		end
+	elseif eu_input >= demand then
+		meta:set_string("infotext", S("%s Active"):format(machine_name))
+		if not music_handle then
+			music_handle = play_track(pos, current_track)
+		end
+	end
+	music_handles[pos_hash] = music_handle
+	meta:set_int("LV_EU_demand", demand)
+end
+
+local function stop_player(pos, node)
+	local pos_hash = minetest.hash_node_position(pos)
+	local music_handle = music_handles[pos_hash]
+	if music_handle then
+		minetest.sound_stop(music_handle)
+		music_handles[pos_hash] = nil
+	end
+end
+
+local function set_display(meta)
+	meta:set_string("formspec",
+			"size[4,4.5]"..
+			"item_image[0,0;1,1;technic:music_player]"..
+			"label[1,0;"..S("%s Music Player"):format("LV").."]"..
+			"button[0,1;1,1;track1;1]"..
+			"button[1,1;1,1;track2;2]"..
+			"button[2,1;1,1;track3;3]"..
+			"button[0,2;1,1;track4;4]"..
+			"button[1,2;1,1;track5;5]"..
+			"button[2,2;1,1;track6;6]"..
+			"button[0,3;1,1;track7;7]"..
+			"button[1,3;1,1;track8;8]"..
+			"button[2,3;1,1;track9;9]"..
+			"button[3,1;1,1;stop;Stop]"..
+			"label[0,4;"..minetest.formspec_escape(
+				meta:get_int("active") == 0 and
+					S("Stopped") or
+					S("Current track %s"):format(meta:get_int("current_track"))).."]")
+end
+
+minetest.register_node("technic:music_player", {
+	description = S("%s Music Player"):format("LV"),
+	tiles = {"technic_music_player_top.png", "technic_machine_bottom.png", "technic_music_player_side.png",
+	         "technic_music_player_side.png", "technic_music_player_side.png", "technic_music_player_side.png"},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	sounds = default.node_sound_wood_defaults(),
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", S("%s Music Player"):format("LV"))
+		set_display(meta)
+	end,
+	on_receive_fields = function(pos, formanme, fields, sender)
+		local new_track = nil
+		if fields.stop then new_track = 0 end
+		if fields.track1 then new_track = 1 end
+		if fields.track2 then new_track = 2 end
+		if fields.track3 then new_track = 3 end
+		if fields.track4 then new_track = 4 end
+		if fields.track5 then new_track = 5 end
+		if fields.track6 then new_track = 6 end
+		if fields.track7 then new_track = 7 end
+		if fields.track8 then new_track = 8 end
+		if fields.track9 then new_track = 9 end
+		if new_track then
+			stop_player(pos)
+			local meta = minetest.get_meta(pos)
+			meta:set_int("active", new_track == 0 and 0 or 1)
+			meta:set_int("current_track", new_track)
+			set_display(meta)
+		end
+	end,
+	on_destruct = stop_player,
+	technic_run = run,
+	technic_on_disable = stop_player,
+})
+
+technic.register_machine("LV", "technic:music_player", technic.receiver)
+
-- 
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