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/helpers.lua | 40 ++++++++++++++++++++++++++++++++++------
1 files changed, 34 insertions(+), 6 deletions(-)
diff --git a/technic/helpers.lua b/technic/helpers.lua
index 3fee5bb..c07937a 100644
--- a/technic/helpers.lua
+++ b/technic/helpers.lua
@@ -1,10 +1,38 @@
-function get_item_meta (string)
- if string.find(string, "return {") then
- return minetest.deserialize(string)
- else return nil
+-- Only changes name, keeps other params
+function technic.swap_node(pos, name)
+ local node = minetest.get_node(pos)
+ if node.name ~= name then
+ node.name = name
+ minetest.swap_node(pos, node)
end
+ return node.name
end
-function set_item_meta (table)
- return minetest.serialize(table)
+-- Fully charge RE chargeable item.
+-- Must be defined early to reference in item definitions.
+function technic.refill_RE_charge(stack)
+ local max_charge = technic.power_tools[stack:get_name()]
+ if not max_charge then return stack end
+ technic.set_RE_wear(stack, max_charge, max_charge)
+ local meta = minetest.deserialize(stack:get_metadata()) or {}
+ meta.charge = max_charge
+ stack:set_metadata(minetest.serialize(meta))
+ return stack
end
+
+local function resolve_name(function_name)
+ local a = _G
+ for key in string.gmatch(function_name, "([^%.]+)(%.?)") do
+ if a[key] then
+ a = a[key]
+ else
+ return nil
+ end
+ end
+ return a
+end
+
+function technic.function_exists(function_name)
+ return type(resolve_name(function_name)) == 'function'
+end
+
--
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