From 47e42801d291249d1d0da28904695c9411650d6d Mon Sep 17 00:00:00 2001
From: FaceDeer <derksenmobile@gmail.com>
Date: Sun, 1 Jan 2017 17:12:32 -0700
Subject: Adding fuel usage

Adding fuel usage for digging and building. Fuel storage hopper module
added to hold fuel.
---
 node_misc.lua | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 58 insertions(+), 5 deletions(-)

(limited to 'node_misc.lua')

diff --git a/node_misc.lua b/node_misc.lua
index c26d6a2..262ef6e 100644
--- a/node_misc.lua
+++ b/node_misc.lua
@@ -58,21 +58,74 @@ minetest.register_node("digtron:inventory",
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec", 
-			"size[8,9]" ..
+			"size[8,9.3]" ..
 			default.gui_bg ..
 			default.gui_bg_img ..
 			default.gui_slots ..
-			"list[current_name;main;0,0.3;8,4;]" ..
-			"list[current_player;main;0,4.85;8,1;]" ..
-			"list[current_player;main;0,6.08;8,3;8]" ..
+			"label[0,0;Inventory items]" ..
+			"list[current_name;main;0,0.6;8,4;]" ..
+			"list[current_player;main;0,5.15;8,1;]" ..
+			"list[current_player;main;0,6.38;8,3;8]" ..
 			"listring[current_name;main]" ..
 			"listring[current_player;main]" ..
-			default.get_hotbar_bg(0,4.85)
+			default.get_hotbar_bg(0,5.15)
 		)
 		local inv = meta:get_inventory()
 		inv:set_size("main", 8*4)
 	end,
 	
+	can_dig = function(pos,player)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		return inv:is_empty("main")
+	end,
+})
+
+-- Fuel storage. Controller node draws fuel from here.
+-- Note that fuel stores are digtron group 5.
+minetest.register_node("digtron:fuelstore",
+{
+	description = "Digtron Fuel Hopper",
+	groups = {cracky = 3, stone = 1, digtron = 5},
+	drop = 'digtron:fuelstore',
+	paramtype2= 'facedir',
+	tiles = {"digtron_fuelstore.png"},
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", 
+			"size[8,9.3]" ..
+			default.gui_bg ..
+			default.gui_bg_img ..
+			default.gui_slots ..
+			"label[0,0;Fuel items]" ..
+			"list[current_name;main;0,0.6;8,4;]" ..
+			"list[current_player;main;0,5.15;8,1;]" ..
+			"list[current_player;main;0,6.38;8,3;8]" ..
+			"listring[current_name;main]" ..
+			"listring[current_player;main]" ..
+			default.get_hotbar_bg(0,5.15)
+		)
+		local inv = meta:get_inventory()
+		inv:set_size("main", 8*4)
+	end,
+	
+	-- Only allow fuel items to be placed in here
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		if minetest.is_protected(pos, player:get_player_name()) then
+			return 0
+		end
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if listname == "main" then
+			if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
+				return stack:get_count()
+			else
+				return 0
+			end
+		end
+	end,
+	
 	can_dig = function(pos,player)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
-- 
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