From 1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528 Mon Sep 17 00:00:00 2001
From: ShadowNinja <shadowninja@minetest.net>
Date: Sun, 27 Apr 2014 17:55:49 -0400
Subject: Organize builtin into subdirectories

---
 builtin/game/misc.lua | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 builtin/game/misc.lua

(limited to 'builtin/game/misc.lua')

diff --git a/builtin/game/misc.lua b/builtin/game/misc.lua
new file mode 100644
index 000000000..82cc527cd
--- /dev/null
+++ b/builtin/game/misc.lua
@@ -0,0 +1,134 @@
+-- Minetest: builtin/misc.lua
+
+--
+-- Misc. API functions
+--
+
+minetest.timers_to_add = {}
+minetest.timers = {}
+minetest.register_globalstep(function(dtime)
+	for _, timer in ipairs(minetest.timers_to_add) do
+		table.insert(minetest.timers, timer)
+	end
+	minetest.timers_to_add = {}
+	for index, timer in ipairs(minetest.timers) do
+		timer.time = timer.time - dtime
+		if timer.time <= 0 then
+			timer.func(unpack(timer.args or {}))
+			table.remove(minetest.timers,index)
+		end
+	end
+end)
+
+function minetest.after(time, func, ...)
+	assert(tonumber(time) and type(func) == "function",
+			"Invalid minetest.after invocation")
+	table.insert(minetest.timers_to_add, {time=time, func=func, args={...}})
+end
+
+function minetest.check_player_privs(name, privs)
+	local player_privs = minetest.get_player_privs(name)
+	local missing_privileges = {}
+	for priv, val in pairs(privs) do
+		if val then
+			if not player_privs[priv] then
+				table.insert(missing_privileges, priv)
+			end
+		end
+	end
+	if #missing_privileges > 0 then
+		return false, missing_privileges
+	end
+	return true, ""
+end
+
+local player_list = {}
+
+minetest.register_on_joinplayer(function(player)
+	player_list[player:get_player_name()] = player
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	player_list[player:get_player_name()] = nil
+end)
+
+function minetest.get_connected_players()
+	local temp_table = {}
+	for index, value in pairs(player_list) do
+		if value:is_player_connected() then
+			table.insert(temp_table, value)
+		end
+	end
+	return temp_table
+end
+
+function minetest.hash_node_position(pos)
+	return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
+end
+
+function minetest.get_position_from_hash(hash)
+	local pos = {}
+	pos.x = (hash%65536) - 32768
+	hash = math.floor(hash/65536)
+	pos.y = (hash%65536) - 32768
+	hash = math.floor(hash/65536)
+	pos.z = (hash%65536) - 32768
+	return pos
+end
+
+function minetest.get_item_group(name, group)
+	if not minetest.registered_items[name] or not
+			minetest.registered_items[name].groups[group] then
+		return 0
+	end
+	return minetest.registered_items[name].groups[group]
+end
+
+function minetest.get_node_group(name, group)
+	minetest.log("deprecated", "Deprecated usage of get_node_group, use get_item_group instead")
+	return minetest.get_item_group(name, group)
+end
+
+function minetest.string_to_pos(value)
+	local p = {}
+	p.x, p.y, p.z = string.match(value, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
+	if p.x and p.y and p.z then
+		p.x = tonumber(p.x)
+		p.y = tonumber(p.y)
+		p.z = tonumber(p.z)
+		return p
+	end
+	local p = {}
+	p.x, p.y, p.z = string.match(value, "^%( *([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+) *%)$")
+	if p.x and p.y and p.z then
+		p.x = tonumber(p.x)
+		p.y = tonumber(p.y)
+		p.z = tonumber(p.z)
+		return p
+	end
+	return nil
+end
+
+assert(minetest.string_to_pos("10.0, 5, -2").x == 10)
+assert(minetest.string_to_pos("( 10.0, 5, -2)").z == -2)
+assert(minetest.string_to_pos("asd, 5, -2)") == nil)
+
+function minetest.setting_get_pos(name)
+	local value = minetest.setting_get(name)
+	if not value then
+		return nil
+	end
+	return minetest.string_to_pos(value)
+end
+
+-- To be overriden by protection mods
+function minetest.is_protected(pos, name)
+	return false
+end
+
+function minetest.record_protection_violation(pos, name)
+	for _, func in pairs(minetest.registered_on_protection_violation) do
+		func(pos, name)
+	end
+end
+
-- 
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