From a82a8ba2611378ff6fb1cd226fb3d579d43d6e89 Mon Sep 17 00:00:00 2001
From: Timothée Floure
Date: Fri, 27 May 2016 13:46:27 +0200
Subject: Fix player walk

---
 .../epfl/xblast/server/painter/PlayerPainter.java  | 26 +++++++++++++---------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/ch/epfl/xblast/server/painter/PlayerPainter.java b/src/ch/epfl/xblast/server/painter/PlayerPainter.java
index eb450d6..9fb0647 100644
--- a/src/ch/epfl/xblast/server/painter/PlayerPainter.java
+++ b/src/ch/epfl/xblast/server/painter/PlayerPainter.java
@@ -2,6 +2,7 @@ package ch.epfl.xblast.server.painter;
 
 import ch.epfl.xblast.Direction;
 import ch.epfl.xblast.PlayerID;
+import ch.epfl.xblast.SubCell;
 import ch.epfl.xblast.server.Player;
 
 /**
@@ -21,21 +22,24 @@ public final class PlayerPainter {
     private static final int PLAYER_MULTIPLIER = 20;
     private static final int DIRECTION_MULTIPLIER = 3;
 
-    private static final int ANIMATION_TICK_LOOP = 4;
+    private static final int ANIMATION_POSITION_LOOP = 4;
 
     /**
      * Computes and returns the animation frame byte for the given tick if the player is moving.
      *
-     * @param tick the tick
-     * @param player the player
-     * @return the frame byte
+     * @param dir the direction
+     * @param pos the position
+     * @return the position byte
      */
-    private static byte byteForFrame(Player player,int tick) {
-        // if the player is stopped
-        if (player.directedPositions().head().position() == player.directedPositions().tail().head().position())
-            return 0; // no byte related to the frame
+    private static byte byteForPosition(Direction dir, SubCell pos) {
+        int axialPosition;
 
-        int cycleTick = tick % ANIMATION_TICK_LOOP;
+        if (dir == Direction.E || dir == Direction.W)
+            axialPosition = pos.x();
+        else
+            axialPosition = pos.y();
+
+        int cycleTick = axialPosition % ANIMATION_POSITION_LOOP;
         return (byte) (cycleTick % 2 == 0 ? 0 : cycleTick / 2 + 1);
     }
 
@@ -98,12 +102,12 @@ public final class PlayerPainter {
                 if (tick % 2 == 0)
                     return (byte) (byteForPlayerID()
                             + byteForDirection(player.direction())
-                            + byteForFrame(player, tick));
+                            + byteForPosition(player.direction(), player.position()));
 
             default:
                 return (byte) (byteForPlayerID(player.id())
                         + byteForDirection(player.direction())
-                        + byteForFrame(player, tick));
+                        + byteForPosition(player.direction(), player.position()));
         }
     }
 
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