From 9c63d43fef855139e38b66703bd887da849d71bc Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Tue, 23 Jun 2015 18:13:19 +0200
Subject: [PATCH] Add unified_inventory support (part 1)

---
 depends.txt |  1 +
 init.lua    | 56 +++++++++++++++++++++++++++++++++++++++++++----------
 2 files changed, 47 insertions(+), 10 deletions(-)
 create mode 100644 depends.txt

diff --git a/depends.txt b/depends.txt
new file mode 100644
index 0000000..20b7c42
--- /dev/null
+++ b/depends.txt
@@ -0,0 +1 @@
+unified_inventory?
diff --git a/init.lua b/init.lua
index f7d0564..9be421b 100644
--- a/init.lua
+++ b/init.lua
@@ -1,12 +1,11 @@
 inventory_icon = {}
 inventory_icon.hudids = {}
 
-function inventory_icon.get_inventory_state(player) 
-	local inv = player:get_inventory()
-	local size = inv:get_size("main")
+function inventory_icon.get_inventory_state(inv, listname)
+	local size = inv:get_size(listname)
 	local occupied = 0
 	for i=1,size do
-		local stack = inv:get_stack("main", i)
+		local stack = inv:get_stack(listname, i)
 		if not stack:is_empty() then
 			occupied = occupied + 1
 		end
@@ -17,21 +16,22 @@ end
 minetest.register_on_joinplayer(function(player)
 	local name = player:get_player_name()
 	inventory_icon.hudids[name] = {}
-	local occupied, size = inventory_icon.get_inventory_state(player)
+	local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "main")
 	local icon
 	if occupied >= size then
 		icon = "inventory_icon_backpack_full.png"
 	else
 		icon = "inventory_icon_backpack_free.png"
 	end
-	inventory_icon.hudids[name].icon = player:hud_add({
+	inventory_icon.hudids[name].main = {}
+	inventory_icon.hudids[name].main.icon = player:hud_add({
 		hud_elem_type = "image",
 		position = {x=1,y=1},
 		scale = {x=1,y=1},
 		offset = {x=-32,y=-32},
 		text = icon,
 	})
-	inventory_icon.hudids[name].text = player:hud_add({
+	inventory_icon.hudids[name].main.text = player:hud_add({
 		hud_elem_type = "text",
 		position = {x=1,y=1},
 		scale = {x=1,y=1},
@@ -40,6 +40,42 @@ minetest.register_on_joinplayer(function(player)
 		number = 0xFFFFFF,
 		text = string.format("%d/%d", occupied, size)
 	})
+	if minetest.get_modpath("unified_inventory") ~= nil then
+		inventory_icon.hudids[name].bags = {}
+		local bags_inv = minetest.get_inventory({type = "detached", name = name.."_bags"})
+		for i=1,4 do
+			local bag = bags_inv:get_stack("bag"..i, 1)
+			local scale, text, icon
+			if bag:is_empty() then
+				scale = { x = 0, y = 0 }
+				text = ""
+				icon = "bags_small.png"
+			else
+				scale = { x = 2, y = 2 }
+				local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "bag"..i.."contents")
+				text = string.format("%d/%d", occupied, size)
+				icon = minetest.registered_items[bag:get_name()].inventory_image
+			end
+			inventory_icon.hudids[name].bags[i] = {}
+			inventory_icon.hudids[name].bags[i].icon = player:hud_add({
+				hud_elem_type = "image",
+				position = {x=1,y=1},
+				scale = scale,
+				size = { x=32, y=32 },
+				offset = {x=-36,y=-32 -40*i},
+				text = icon,
+			})
+			inventory_icon.hudids[name].bags[i].text = player:hud_add({
+				hud_elem_type = "text",
+				position = {x=1,y=1},
+				scale = scale,
+				offset = {x=-36,y=-20 -40*i},
+				alignment = {x=0,y=0},
+				number = 0xFFFFFF,
+				text = text,
+			})
+		end
+	end
 end)
 
 minetest.register_on_leaveplayer(function(player)
@@ -52,15 +88,15 @@ minetest.register_globalstep(function(dtime)
 	if inventory_icon.timer > 1 then
 		for playername,hudids in pairs(inventory_icon.hudids) do
 			local player = minetest.get_player_by_name(playername)
-			local occupied, size = inventory_icon.get_inventory_state(player)
+			local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "main")
 			local icon, color
 			if occupied >= size then
 				icon = "inventory_icon_backpack_full.png"
 			else
 				icon = "inventory_icon_backpack_free.png"
 			end
-			player:hud_change(hudids.icon, "text", icon)
-			player:hud_change(hudids.text, "text", string.format("%d/%d", occupied, size))
+			player:hud_change(hudids.main.icon, "text", icon)
+			player:hud_change(hudids.main.text, "text", string.format("%d/%d", occupied, size))
 		end
 		inventory_icon.timer = 0
 	end