hud implementation

hud.lua

@@ -0,0 +1,46 @@
+
+local HUD_POSITION = {x = epic_score.hud.posx, y = epic_score.hud.posy}
+local HUD_ALIGNMENT = {x = 1, y = 0}
+
+-- playername => id
+local hud_data = {}
+
+minetest.register_on_joinplayer(function(player)
+  hud_data[player:get_player_name()] = player:hud_add({
+    hud_elem_type = "text",
+    position = HUD_POSITION,
+    offset = {x = 0,   y = 0},
+    text = "",
+    alignment = HUD_ALIGNMENT,
+    scale = {x = 100, y = 100},
+    number = 0xFF0000
+  })
+
+end)
+
+minetest.register_on_leaveplayer(function(player)
+  hud_data[player:get_player_name()] = nil
+end)
+
+local timer = 0
+minetest.register_globalstep(function(dtime)
+  timer = timer + dtime
+  if timer < 1.0 then
+    return
+  end
+  timer = 0
+
+  for _, player in minetest.get_connected_players() do
+    local playername = player:get_player_name()
+    local meta = player:get_meta()
+    local score = meta:get_int("epic_score")
+
+    if epic.state[playername] and score > 0 then
+      -- update hud
+      player:hud_change(hud_data[playername], "text", "Score: " .. score)
+    else
+      -- hide hud
+      player:hud_change(hud_data[playername], "text", "")
+    end
+  end
+end)

init.lua

@@ -1,11 +1,19 @@
 
-epic_score = {}
+epic_score = {
+  hud = {
+    posx = tonumber(minetest.settings:get("epic_score.hud.offsetx") or 0.5),
+    posy = tonumber(minetest.settings:get("epic_score.hud.offsety") or 0.7)
+  }
+}
 
 local MP = minetest.get_modpath("epic_score")
 
 -- utils
 dofile(MP.."/persistence.lua")
 
+-- hud
+dofile(MP.."/hud.lua")
+
 -- blocks
 dofile(MP.."/add_score.lua")
 dofile(MP.."/set_score.lua")

readme.md

@@ -33,7 +33,7 @@ State: **WIP**
 * [x] time bonus/penalty
   * de- or increases points every n seconds
 
-* [ ] hud integration
+* [x] hud integration
 
 # Licenses