From 05cfb4a8b3af26d00cbd0c6931ee96a5ad075af2 Mon Sep 17 00:00:00 2001
From: Timothée Floure
Date: Mon, 23 May 2016 13:51:42 +0200
Subject: Fix players movements (don't walk if stopped)

---
 src/ch/epfl/xblast/server/painter/PlayerPainter.java | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/ch/epfl/xblast/server/painter/PlayerPainter.java b/src/ch/epfl/xblast/server/painter/PlayerPainter.java
index 79b954c..eb450d6 100644
--- a/src/ch/epfl/xblast/server/painter/PlayerPainter.java
+++ b/src/ch/epfl/xblast/server/painter/PlayerPainter.java
@@ -24,12 +24,17 @@ public final class PlayerPainter {
     private static final int ANIMATION_TICK_LOOP = 4;
 
     /**
-     * Computes and returns the animation frame byte for the given tick.
+     * 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
      */
-    private static byte byteForFrame(int tick) {
+    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
+
         int cycleTick = tick % ANIMATION_TICK_LOOP;
         return (byte) (cycleTick % 2 == 0 ? 0 : cycleTick / 2 + 1);
     }
@@ -90,15 +95,15 @@ public final class PlayerPainter {
                         + byteForDyingState(player.lives()));
 
             case INVULNERABLE:
-                if (tick % 2 == 1)
+                if (tick % 2 == 0)
                     return (byte) (byteForPlayerID()
                             + byteForDirection(player.direction())
-                            + byteForFrame(tick));
+                            + byteForFrame(player, tick));
 
             default:
                 return (byte) (byteForPlayerID(player.id())
                         + byteForDirection(player.direction())
-                        + byteForFrame(tick));
+                        + byteForFrame(player, tick));
         }
     }
 
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