From 8571843f1405e676142e7bb289f9879d10a888ed Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 12 Mar 2013 13:32:49 +0300
Subject: add walkmaps support.

Fast detecting between two targets is they in same walkable area.
---
 src/localplayer.cpp | 38 +++++++++++++++-----------------------
 1 file changed, 15 insertions(+), 23 deletions(-)

(limited to 'src/localplayer.cpp')

diff --git a/src/localplayer.cpp b/src/localplayer.cpp
index 65f2faaba..3d2af40c6 100644
--- a/src/localplayer.cpp
+++ b/src/localplayer.cpp
@@ -25,6 +25,7 @@
 #include "actorspritemanager.h"
 #include "client.h"
 #include "configuration.h"
+#include "dropshortcut.h"
 #include "effectmanager.h"
 #include "graphics.h"
 #include "guild.h"
@@ -38,7 +39,7 @@
 #include "simpleanimation.h"
 #include "soundmanager.h"
 #include "statuseffect.h"
-#include "dropshortcut.h"
+#include "walklayer.h"
 
 #include "gui/chatwindow.h"
 #include "gui/gui.h"
@@ -2930,28 +2931,6 @@ void LocalPlayer::crazyMoveA()
         mCrazyMoveState = 0;
 }
 
-bool LocalPlayer::isReachable(const int x, const int y,
-                              const int maxCost) const
-{
-    if (!mMap)
-        return false;
-
-    if (x - 1 <= mX && x + 1 >= mX
-        && y - 1 <= mY && y + 1 >= mY )
-    {
-        return true;
-    }
-
-    const Vector &playerPos = getPosition();
-
-    const Path debugPath = mMap->findPath(
-        static_cast<int>(playerPos.x - 16) / 32,
-        static_cast<int>(playerPos.y - 32) / 32,
-        x, y, getWalkMask(), maxCost);
-
-    return !debugPath.empty();
-}
-
 bool LocalPlayer::isReachable(Being *const being,
                               const int maxCost)
 {
@@ -2998,6 +2977,19 @@ bool LocalPlayer::isReachable(Being *const being,
     }
 }
 
+bool LocalPlayer::isReachable(const int x, const int y,
+                              const int allowCollision) const
+{
+    const WalkLayer *const walk = mMap->getWalkLayer();
+    if (!walk)
+        return false;
+    int num = walk->getDataAt(x, y);
+    if (allowCollision && num < 0)
+        num = -num;
+
+    return walk->getDataAt(mX, mY) == num;
+}
+
 bool LocalPlayer::pickUpItems(int pickUpType)
 {
     if (!actorSpriteManager)
-- 
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