add walkmaps support.

Fast detecting between two targets is they in same walkable area.

1 files changed, 48 insertions, 0 deletions

diff --git a/src/walklayer.h b/src/walklayer.h
new file mode 100644
index 000000000..104920471
--- /dev/null
+++ b/src/walklayer.h
@@ -0,0 +1,48 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2013  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef WALKLAYER_H
+#define WALKLAYER_H
+
+#include "resources/resource.h"
+
+#include "localconsts.h"
+
+class WalkLayer final : public Resource
+{
+    public:
+        WalkLayer(const int width, const int height);
+
+        A_DELETE_COPY(WalkLayer)
+
+        ~WalkLayer();
+
+        int *getData()
+        { return mTiles; }
+
+        int getDataAt(const int x, const int y) const;
+
+    private:
+        int mWidth;
+        int mHeight;
+        int *mTiles;
+};
+
+#endif