[gnome-games/gnibbles-clutter] Various code cleanup

[Guillaume Béland <guillaubel src gnome org>]

commit 15f1aff9f008aa66a4b9329129917a941c80d6be
Author: Guillaume Beland <guillaume beland gmail com>
Date:   Sat Jun 20 23:59:36 2009 -0400

    Various code cleanup

 gnibbles/warpmanager.c  |   24 ++++++------
 gnibbles/worm-clutter.c |   89 +++++++++++++++++++++++++---------------------
 2 files changed, 60 insertions(+), 53 deletions(-)
---
diff --git a/gnibbles/warpmanager.c b/gnibbles/warpmanager.c
index a7b7cf8..b4334d2 100644
--- a/gnibbles/warpmanager.c
+++ b/gnibbles/warpmanager.c
@@ -69,31 +69,31 @@ gnibbles_warpmanager_add_warp (GnibblesWarpManager * warpmanager, gint t_x,
   if (t_x < 0) {
     for (i = 0; i < warpmanager->numwarps; i++) {
       if (warpmanager->warps[i]->wx == t_x) {
-	warpmanager->warps[i]->wx = t_wx;
-	warpmanager->warps[i]->wy = t_wy;
-	return;
+	      warpmanager->warps[i]->wx = t_wx;
+	      warpmanager->warps[i]->wy = t_wy;
+	      return;
       }
     }
 
     if (warpmanager->numwarps == MAXWARPS)
       return;
-    warpmanager->warps[warpmanager->numwarps] = gnibbles_warp_new
-      (t_x, t_y, t_wx, t_wy);
+    warpmanager->warps[warpmanager->numwarps] = 
+                gnibbles_warp_new (t_x, t_y, t_wx, t_wy);
     warpmanager->numwarps++;
   } else {
     for (i = 0; i < warpmanager->numwarps; i++) {
       if (warpmanager->warps[i]->x == t_wx) {
-	warpmanager->warps[i]->x = t_x;
-	warpmanager->warps[i]->y = t_y;
-	draw = i;
-	add = 0;
+	      warpmanager->warps[i]->x = t_x;
+	      warpmanager->warps[i]->y = t_y;
+	      draw = i;
+	      add = 0;
       }
     }
     if (add) {
       if (warpmanager->numwarps == MAXWARPS)
-	return;
-      warpmanager->warps[warpmanager->numwarps] =
-	gnibbles_warp_new (t_x, t_y, t_wx, t_wy);
+	      return;
+      warpmanager->warps[warpmanager->numwarps] = 
+                    gnibbles_warp_new (t_x, t_y, t_wx, t_wy);
       draw = warpmanager->numwarps;
       warpmanager->numwarps++;
     }
diff --git a/gnibbles/worm-clutter.c b/gnibbles/worm-clutter.c
index 9c16346..0352339 100644
--- a/gnibbles/worm-clutter.c
+++ b/gnibbles/worm-clutter.c
@@ -251,6 +251,9 @@ void
 gnibbles_cworm_move_straight_worm (GnibblesCWorm *worm)
 {
   //g_return_if_fail (!(g_list_length (worm->list) == 1));
+  if (!(g_list_length (worm->list) == 1))
+    return;
+
   gfloat x,y;
   ClutterActor *head = g_list_first (worm->list)->data;
 
@@ -285,6 +288,9 @@ void
 gnibbles_cworm_move_head (GnibblesCWorm *worm)
 {
   //g_return_if_fail (g_list_length (worm->list) <= 1);
+  if (g_list_length (worm->list) <= 1)
+    return;
+
   gfloat w,h;
   gfloat x,y;
   guint size;
@@ -335,6 +341,8 @@ void
 gnibbles_cworm_move_tail (GnibblesCWorm *worm)
 {
   //g_return_if_fail ( g_list_length (worm->list) <= 1);
+  if (g_list_length (worm->list) <= 1)
+    return;
 
   gfloat w,h;
   gfloat x,y;
@@ -408,32 +416,28 @@ gnibbles_cworm_position_move_head (GnibblesCWorm * worm, gint *x, gint *y)
   *y = worm->yhead;
 
   switch (worm->direction) {
-  case WORMUP:
-    *y = worm->yhead - 1;
-    break;
-  case WORMDOWN:
-    *y = worm->yhead + 1;
-    break;
-  case WORMLEFT:
-    *x = worm->xhead - 1;
-    break;
-  case WORMRIGHT:
-    *x = worm->xhead + 1;
-    break;
+    case WORMUP:
+      *y = worm->yhead - 1;
+      break;
+    case WORMDOWN:
+      *y = worm->yhead + 1;
+      break;
+    case WORMLEFT:
+      *x = worm->xhead - 1;
+      break;
+    case WORMRIGHT:
+      *x = worm->xhead + 1;
+      break;
   }
 
-  if (*x == BOARDWIDTH) {
+  if (*x == BOARDWIDTH) 
     *x = 0;
-  }
-  if (*x < 0) {
+  if (*x < 0) 
     *x = BOARDWIDTH - 1;
-  }
-  if (*y == BOARDHEIGHT) {
+  if (*y == BOARDHEIGHT) 
     *y = 0;
-  }
-  if (*y < 0) {
+  if (*y < 0) 
     *y = BOARDHEIGHT - 1;
-  }
 }
 
 gint
@@ -480,6 +484,7 @@ gnibbles_cworm_is_move_safe (GnibblesCWorm * worm)
    overwritten anyway. */
 static guint deadendboard[BOARDWIDTH][BOARDHEIGHT] = {{0}};
 static guint deadend_runnumber = 0;
+
 static gint
 gnibbles_cworm_ai_deadend (gint x, gint y, gint lengthleft)
 {
@@ -526,12 +531,13 @@ gnibbles_cworm_ai_deadend (gint x, gint y, gint lengthleft)
       cy = BOARDHEIGHT - 1;
 
     if ((level->walls[cx][cy] <= EMPTYCHAR
-	 || level->walls[x][y] >= 'z' + properties->numworms)
-	&& deadendboard[cx][cy] != deadend_runnumber) {
+	      || level->walls[x][y] >= 'z' + properties->numworms)
+	      && deadendboard[cx][cy] != deadend_runnumber) {
+       
       deadendboard[cx][cy] = deadend_runnumber;
       lengthleft = gnibbles_cworm_ai_deadend(cx, cy, lengthleft - 1);
       if (!lengthleft)
-	return 0;
+	      return 0;
     }
   }
   return lengthleft;
@@ -616,29 +622,30 @@ gnibbles_cworm_ai_tooclose (GnibblesCWorm * worm)
 {
   gint i = properties->numworms;
   gint dx, dy;
+  
   while (i--) {
     dx = worm->xhead - cworms[i]->xhead;
     dy = worm->yhead - cworms[i]->yhead;
-    switch (worm->direction)
-    {
-    case WORMUP:
-      if (dy > 0 && dy <= 3 && dx >= -1 && dx <= 1)
-	return 1;
-      break;
-    case WORMDOWN:
-      if (dy < 0 && dy >= -3 && dx >= -1 && dx <= 1)
-	return 1;
-      break;
-    case WORMLEFT:
-      if (dx > 0 && dx <= 3 && dy >= -1 && dy <= 1)
-	return 1;
-      break;
-    case WORMRIGHT:
-      if (dx < 0 && dx >= -3 && dy >= -1 && dy <= 1)
-	return 1;
-      break;
+    switch (worm->direction) {
+      case WORMUP:
+        if (dy > 0 && dy <= 3 && dx >= -1 && dx <= 1)
+ 	        return 1;
+        break;
+      case WORMDOWN:
+        if (dy < 0 && dy >= -3 && dx >= -1 && dx <= 1)
+	        return 1;
+        break;
+      case WORMLEFT:
+        if (dx > 0 && dx <= 3 && dy >= -1 && dy <= 1)
+	        return 1;
+        break;
+      case WORMRIGHT:
+        if (dx < 0 && dx >= -3 && dy >= -1 && dy <= 1)
+	        return 1;
+        break;
     }
   }
+
   return 0;
 }