From fde827cba1ff3d889135c74ee1978098465fd200 Mon Sep 17 00:00:00 2001
From: nsensfel <SpamShield0@noot-noot.org>
Date: Wed, 11 Jul 2018 17:54:14 +0200
Subject: "Battlemap" -> "Battle".

---
 src/battle/struct/btl_player_turn.erl | 106 ++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/battle/struct/btl_player_turn.erl

(limited to 'src/battle/struct/btl_player_turn.erl')

diff --git a/src/battle/struct/btl_player_turn.erl b/src/battle/struct/btl_player_turn.erl
new file mode 100644
index 0000000..e0665f4
--- /dev/null
+++ b/src/battle/struct/btl_player_turn.erl
@@ -0,0 +1,106 @@
+-module(btl_player_turn).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-record
+(
+   player_turn,
+   {
+      number :: non_neg_integer(),
+      player_ix :: non_neg_integer()
+   }
+).
+
+-opaque type() :: #player_turn{}.
+
+-export_type([type/0]).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-export
+(
+   [
+      new/2,
+      next/2
+   ]
+).
+
+%%%% Accessors
+-export
+(
+   [
+      get_number/1,
+      get_player_ix/1
+   ]
+).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+-spec next_valid_player
+   (
+      non_neg_integer(),
+      array:array(btl_player:type()),
+      non_neg_integer(),
+      non_neg_integer()
+   ) -> non_neg_integer().
+next_valid_player (StartingPoint, _Players, _PlayersCount, StartingPoint) ->
+   StartingPoint;
+next_valid_player (CandidateIX, Players, PlayersCount, StartingPoint) ->
+   Candidate = array:get(CandidateIX, Players),
+
+   case btl_player:get_is_active(Candidate) of
+      true -> CandidateIX;
+      _ ->
+         next_valid_player
+         (
+            ((CandidateIX + 1) rem PlayersCount),
+            Players,
+            PlayersCount,
+            StartingPoint
+         )
+   end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%% Accessors
+-spec new (non_neg_integer(), non_neg_integer()) -> type().
+new (Number, PlayerIX) ->
+   #player_turn
+   {
+      number = Number,
+      player_ix = PlayerIX
+   }.
+
+-spec get_number (type()) -> non_neg_integer().
+get_number (PlayerTurn) -> PlayerTurn#player_turn.number.
+
+-spec get_player_ix (type()) -> non_neg_integer().
+get_player_ix (PlayerTurn) -> PlayerTurn#player_turn.player_ix.
+
+-spec next (array:array(btl_player:type()), type()) -> type().
+next (Players, CurrentPlayerTurn) ->
+   CurrentPlayerIX = CurrentPlayerTurn#player_turn.player_ix,
+   CurrentTurnNumber = CurrentPlayerTurn#player_turn.number,
+   PlayersCount = array:size(Players),
+
+   NextPlayerIX =
+      next_valid_player
+      (
+         ((CurrentPlayerIX + 1) rem PlayersCount),
+         Players,
+         PlayersCount,
+         CurrentPlayerIX
+      ),
+
+   NextTurnNumber =
+      case (NextPlayerIX < CurrentPlayerIX) of
+         true -> (CurrentTurnNumber + 1);
+         _ -> CurrentTurnNumber
+      end,
+
+   new(NextTurnNumber, NextPlayerIX).
-- 
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