From 92892b273b4cf853ac578bf1baba4e4fc2aefc54 Mon Sep 17 00:00:00 2001
From: Izzy <yzziizzy@gmail.com>
Date: Wed, 24 Apr 2019 23:55:56 -0600
Subject: [PATCH] beginning of rock crusher

---
 rock_crusher.lua | 200 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100644 rock_crusher.lua

diff --git a/rock_crusher.lua b/rock_crusher.lua
new file mode 100644
index 0000000..7211da6
--- /dev/null
+++ b/rock_crusher.lua
@@ -0,0 +1,200 @@
+
+local function swap_node(pos, name)
+	local node = minetest.get_node(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+--[[
+local function try_turn_on(pos)
+
+	local bpos = {x=pos.x, y=pos.y - 1, z=pos.z}
+	local bnode = minetest.get_node(bpos)
+	local bmeta = minetest.env:get_meta(bpos)
+	
+	if not bmeta or bnode.name ~= "bitumen:oil_drum" then
+		swap_node(pos, "bitumen:kerosene_light")
+		destruct_light(pos)
+		return
+	end
+	
+	local fluid = bmeta:get_string("fluid")
+	local fill = bmeta:get_int("fill")
+	local max_fill = bmeta:get_int("maxfill")
+	
+	
+	if not fill or fill == 0 then
+		swap_node(pos, "bitumen:kerosene_light")
+		destruct_light(pos)
+		return
+	end
+	
+	local taken = 1
+
+	-- turn on
+	for _,v in ipairs(loffs) do
+		local p = vector.add(pos, v)
+		local n = minetest.get_node(p)
+		if n.name == "air" then
+			minetest.set_node(p, {name="bitumen:magic_light"})
+-- 			else
+		
+		end
+	end
+	
+	
+	bmeta:set_float("fill", math.max(fill - taken, 0))
+	bmeta:set_string("infotext", fluid .." (".. math.floor(((fill-taken)*100/max_fill)+0.5) .."%)")
+end
+]]
+
+
+
+local rock_crusher_formspec =
+	"size[10,9;]" ..
+	default.gui_bg ..
+	default.gui_bg_img ..
+	default.gui_slots ..
+	"list[context;main;0,0.3;5,4;]" ..
+	"list[current_player;main;0,4.85;8,1;]" ..
+	"list[current_player;main;0,6.08;8,3;8]" ..
+	"listring[context;main]" ..
+	"listring[current_player;main]" ..
+	default.get_hotbar_bg(0, 4.85)
+
+
+local function take_gas(itemstack, amount) 
+	
+	if st:get_name() ~= "bitumen:oil_drum_filled" end
+		return false
+	end
+	
+	local smeta = st:get_meta()
+	if smeta:get_float("fluid") ~= "bitumen:gasoline" then
+		return false
+	end
+
+	local fill = smeta:get_float("fill")
+	if fill < amount then
+		return false
+	end
+	
+	smeta:set_float("fill", fill - amount)
+	
+	return true
+end
+
+
+minetest.register_node("bitumen:rock_crusher", {
+	description = "Small Gas Rock Crusher",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -.5, -.5, -.5,  .5, .5,  .5},
+			{ -.7, -.3, -.7,  .7,  .3,  .7},
+		},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, -0.5, -0.5, 0.5, 0.0, 0.5},
+		},
+	},
+	paramtype = "light",
+	is_ground_content = false,
+	tiles = { "default_wood.png" },
+	walkable = true,
+	groups = { cracky = 3, },
+	
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		inv:set_size("main", 1)
+		
+		meta:set_string("formspec", rock_crusher_formspec);
+	end,
+	
+	on_punch = function(pos)
+		swap_node(pos, "bitumen:rock_crusher_on")
+		try_turn_on(pos)
+	end,
+		
+	on_timer = function(pos, elapsed)
+		
+		local meta = minetest.get_meta(pos)
+		
+		local fuel = meta:get_float("fuel") or 0.0
+		
+		if fuel <= 0 then
+			-- try to get some fuel
+			local inv = meta:get_inventory()
+			
+			local st = inv:get_stack("main", 1)
+			
+			if take_gas(st, 1) then
+				inv:set_stack("main", 1, st);
+				fuel = fuel + 1
+			else
+				-- out of fuel, turn off
+				return false
+			end
+			
+		end
+		
+		fuel = fuel - .1
+		meta:set_float("fuel", fuel)
+		
+		-- try to grind some rocks
+		
+		
+		
+		
+	end
+	
+})
+
+
+minetest.register_node("bitumen:rock_crusher_on", {
+	description = "Small Gas Rock Crusher",
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -.5, -.5, -.5,  .5, .5,  .5},
+			{ -.7, -.3, -.7,  .7,  .3,  .7},
+		},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, -0.5, -0.5, 0.5, 0.0, 0.5},
+		},
+	},
+	paramtype = "light",
+	is_ground_content = false,
+	tiles = { "default_meselamp.png" },
+	walkable = true,
+	groups = { cracky = 3, petroleum_fixture = 1 },
+	
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		inv:set_size("main", 1)
+		
+		meta:set_string("formspec", rock_crusher_formspec);
+	end,
+	
+	on_punch = function(pos)
+		swap_node(pos, "bitumen:rock_crusher")
+		destruct_light(pos)
+	end,
+	
+
+})
+
+
+