From 2707c8a21c89955ae1aa3012eb9b2ed97c74226b Mon Sep 17 00:00:00 2001
From: Fernando Carmona Varo <ferkiwi@gmail.com>
Date: Thu, 22 Oct 2015 22:21:35 +0200
Subject: Added score HUD

---
 gamestate.lua |  8 ++++++--
 init.lua      |  1 +
 scorehud.lua  | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100755 scorehud.lua

diff --git a/gamestate.lua b/gamestate.lua
index 149c0d3..5af47b8 100755
--- a/gamestate.lua
+++ b/gamestate.lua
@@ -50,6 +50,7 @@ end
 -- Finish the game with the given id
 function mypacman.game_end(id)
 	mypacman.remove_ghosts(id)
+	mypacman.remove_hud(mypacman.players[id], mypacman.games[id].player_name)
 	-- Clear the data
 	mypacman.games[id] = nil
 	mypacman.players[id] = nil
@@ -123,7 +124,8 @@ function mypacman.on_player_got_pellet(player)
 
 	gamestate.pellet_count = gamestate.pellet_count + 1
 	gamestate.score = gamestate.score + 10
-	minetest.chat_send_player(name, "Your score is "..gamestate.score)
+	mypacman.update_hud(gamestate.id, player)
+
 	if gamestate.pellet_count >= 252 then -- 252
 		minetest.chat_send_player(name, "You cleared the board!")
 
@@ -154,7 +156,7 @@ function mypacman.on_player_got_power_pellet(player)
 	minetest.chat_send_player(name, "You got a POWER PELLET")
 	gamestate.power_pellet = os.time() + power_pellet_duration
 	gamestate.score = gamestate.score + 50
-	minetest.chat_send_player(name, "Your score is "..gamestate.score)
+	mypacman.update_hud(gamestate.id, player)
 
 	local boardcenter = vector.add(gamestate.pos, {x=13,y=0.5,z=15})
 	local powersound = minetest.sound_play("mypacman_powerup", {pos = boardcenter,max_hear_distance = 20, object=player, loop=true})
@@ -256,6 +258,7 @@ minetest.register_on_joinplayer(function(player)
 	for id,game in pairs(mypacman.games) do
 		if game.player_name == name then
 			mypacman.players[id] = player
+			mypacman.update_hud(id, player)
 		end
 	end
 end)
@@ -265,6 +268,7 @@ minetest.register_on_leaveplayer(function(player)
 	for id,game in pairs(mypacman.games) do
 		if game.player_name == name then
 			mypacman.players[id] = nil
+			mypacman.remove_hud(player, name)
 		end
 	end
 end)
diff --git a/init.lua b/init.lua
index cc45f7e..8e7dbc7 100644
--- a/init.lua
+++ b/init.lua
@@ -8,6 +8,7 @@ dofile(minetest.get_modpath("mypacman").."/ghost.lua")
 dofile(minetest.get_modpath("mypacman").."/blocks.lua")
 dofile(minetest.get_modpath("mypacman").."/portals.lua")
 dofile(minetest.get_modpath("mypacman").."/gamestate.lua")
+dofile(minetest.get_modpath("mypacman").."/scorehud.lua")
 
 
 --Yellow Pellets
diff --git a/scorehud.lua b/scorehud.lua
new file mode 100755
index 0000000..dbdfd7f
--- /dev/null
+++ b/scorehud.lua
@@ -0,0 +1,35 @@
+
+
+local hud_table = {}
+
+function mypacman.update_hud(id, player)
+	local game = mypacman.games[id]
+	player = player or minetest.get_player_by_name(game.player_name)
+	if not player then
+		return
+	end
+	local hudtext = "Score: " .. game.score
+	local hud = hud_table[game.player_name]
+	if not hud then
+		hud = player:hud_add({
+			hud_elem_type = "text",
+			position = {x = 1, y = 0},
+			offset = {x=-400, y = 75},
+			scale = {x = 100, y = 100},
+			number = 0xFFFFFF, --color
+			text = hudtext
+		})
+		hud_table[game.player_name] = hud
+	else
+		player:hud_change(hud, "text", hudtext)
+	end
+end
+
+
+function mypacman.remove_hud(player, playername)
+	local name = playername or player:get_player_name()
+	local hud = hud_table[name]
+	if hud then
+		player:hud_remove(hud)
+	end
+end
-- 
cgit v1.2.3