Merge branch 'spectate_ball' into 'master'

Possibility to spectate the ball instead of players

Closes #54

See merge request zughy-friends-minetest/block_league!18

src/arena_lib/arena_manager.lua

@@ -142,7 +142,9 @@ arena_lib.on_change_spectated_target("block_league", function(arena, sp_name, ta
   if type(target) ~= "string" then return end
   -- ritardo di 0.1 perché on_join non è ancora stato chiamato, quindi non hanno ancora la HUD
   minetest.after(0.1, function()
+    if minetest.is_player(target) and target:get_hp() <= 0 then
       block_league.HUD_energy_update(arena, target)
+    end
   end)
 end)
 

src/modes/TD/ball.lua

@@ -62,6 +62,8 @@ function ball:on_activate(staticdata, d_time)
       return
     end
 
+    arena_lib.add_spectable_target("block_league", arena.name, "entity", "Ball", self)
+
     self.w_name = nil
     self.timer_bool = false
     self.team_id = nil