From a4183994a446a065e3151745b4167270ebae6194 Mon Sep 17 00:00:00 2001
From: Sfan5 <sfan5@live.de>
Date: Wed, 1 May 2013 12:31:21 +0200
Subject: Add a Way of checking for specific Feature with Lua Adds
 minetest.get_feature() and minetest.has_feature()

---
 builtin/features.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 builtin/features.lua

(limited to 'builtin/features.lua')

diff --git a/builtin/features.lua b/builtin/features.lua
new file mode 100644
index 000000000..0eef2519d
--- /dev/null
+++ b/builtin/features.lua
@@ -0,0 +1,28 @@
+-- Minetest: builtin/features.lua
+
+minetest.features = {
+	"glasslike_framed" = true,
+	"nodebox_as_selectionbox" = true,
+	"chat_send_player_param3" = true,
+	"get_all_craft_recipes_works" = true,
+	"use_texture_alpha" = true,
+}
+
+function minetest.has_feature(arg)
+	if type(arg) == "table" then
+		missing_features = {}
+		result = true
+		for ft, _ in pairs(arg) do
+			if not minetest.features[ftr] then
+				missing_features[ftr] = true
+				result = false
+			end
+		end
+		return result, missing_features
+	elseif type(arg) == "string" then
+		if not minetest.features[arg] then
+			return false, {[arg]=true}
+		end
+		return true, {}
+	end
+end
-- 
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