Add hotbar images, configure inventory style

CREDITS.md

@@ -16,6 +16,7 @@ Textures:
 - Emitter, detector textures: Derivate works of xdecor textures by jp (CC0)
 - Mirror textures: by Wuzzy (CC0)
 - Screwdriver texture: by 12Me21 (CC0)
+- Hotbar textures are a recolored version from from the hotbar textures of the Isabella Texture Pack by Bonemouse (http://www.minecraftforum.net/topic/242175-Isabella/) (CC BY 3.0)
 
 Models:
 - Player models comes from Minetest Game (see license of Minetest Game 5.4.1 for details)

mods/lzr_gui/init.lua

@@ -2,9 +2,11 @@ lzr_gui = {}
 
 lzr_gui.set_play_gui = function(player)
 	player:hud_set_hotbar_itemcount(3)
+	player:hud_set_hotbar_image("lzr_gui_hotbar_3.png")
 end
 lzr_gui.set_editor_gui = function(player)
 	player:hud_set_hotbar_itemcount(8)
+	player:hud_set_hotbar_image("lzr_gui_hotbar_8.png")
 end
 
 minetest.register_on_joinplayer(function(player)
@@ -12,5 +14,10 @@ minetest.register_on_joinplayer(function(player)
 	player:set_inventory_formspec(
 		"formspec_version[4]size[11,6]list[current_player;main;0.5,0.5;8,4]"
 	)
+	player:set_formspec_prepend([=[
+		listcolors[#5c4432;#a87d5d;#3b2b20;#b75647;#ffffff]
+		bgcolor[#503b2c;false]
+		style_type[button;bgcolor=#5c4432]]=])
+	player:hud_set_hotbar_selected_image("lzr_gui_hotbar_selected.png")
 	lzr_gui.set_play_gui(player)
 end)