Merge pull request 'Pumpkin hud' (#1754) from pumpkin_hud into master

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/1754

mods/ITEMS/mcl_farming/pumpkin.lua

@@ -121,8 +121,52 @@ pumpkin_face_base_def._mcl_armor_mob_range_mob = "mobs_mc:enderman"
 pumpkin_face_base_def._mcl_armor_element = "head"
 pumpkin_face_base_def._mcl_armor_texture = "mcl_farming_pumpkin_face.png"
 pumpkin_face_base_def._mcl_armor_preview = "mcl_farming_pumpkin_face_preview.png"
+
 if minetest.get_modpath("mcl_armor") then
+	local pumpkin_hud = {}
+	local function add_pumpkin_hud(player)
+		pumpkin_hud[player] = {
+			pumpkin_blur = player:hud_add({
+				hud_elem_type = "image",
+				position = {x = 0.5, y = 0.5},
+				scale = {x = -100, y = -100},
+				text = "mcl_farming_pumpkin_hud.png",
+				z_index = -200
+			}),
+			--this is a fake crosshair, because hotbar and crosshair doesn't support z_index
+			--TODO: remove this and add correct z_index values
+			fake_crosshair = player:hud_add({
+				hud_elem_type = "image",
+				position = {x = 0.5, y = 0.5},
+				scale = {x = 1, y = 1},
+				text = "crosshair.png",
+				z_index = -100
+			})
+		}
+	end
+	local function remove_pumpkin_hud(player)
+		if pumpkin_hud[player] then
+			player:hud_remove(pumpkin_hud[player].pumpkin_blur)
+			player:hud_remove(pumpkin_hud[player].fake_crosshair)
+			pumpkin_hud[player] = nil
+		end
+	end
+
 	pumpkin_face_base_def.on_secondary_use = mcl_armor.equip_on_use
+	pumpkin_face_base_def._on_equip = add_pumpkin_hud
+	pumpkin_face_base_def._on_unequip = remove_pumpkin_hud
+	
+	minetest.register_on_joinplayer(function(player)
+		if player:get_inventory():get_stack("armor", 2):get_name() == "mcl_farming:pumpkin_face" then
+			add_pumpkin_hud(player)
+		end
+	end)
+	minetest.register_on_dieplayer(function(player)
+		remove_pumpkin_hud(player)
+	end)
+	minetest.register_on_leaveplayer(function(player)
+		pumpkin_hud[player] = nil
+	end)
 end
 
 -- Register stem growth