1 files changed, 97 insertions, 0 deletions
diff --git a/src/shared/vmap/MapTree.h b/src/shared/vmap/MapTree.h
new file mode 100644
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+++ b/src/shared/vmap/MapTree.h
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+/*
+ * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
+ *
+ * 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
+ * (at your option) 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _MAPTREE_H
+#define _MAPTREE_H
+
+#include "Platform/Define.h"
+#include "Utilities/UnorderedMap.h"
+#include "BIH.h"
+
+namespace VMAP
+{
+    class ModelInstance;
+    class GroupModel;
+    class VMapManager2;
+
+    struct LocationInfo
+    {
+        LocationInfo(): hitInstance(0), hitModel(0), ground_Z(-G3D::inf()) {};
+        const ModelInstance *hitInstance;
+        const GroupModel *hitModel;
+        float ground_Z;
+    };
+
+    class StaticMapTree
+    {
+        typedef UNORDERED_MAP<uint32, bool> loadedTileMap;
+        typedef UNORDERED_MAP<uint32, uint32> loadedSpawnMap;
+        private:
+            uint32 iMapID;
+            bool iIsTiled;
+            BIH iTree;
+            ModelInstance *iTreeValues; // the tree entries
+            uint32 iNTreeValues;
+
+            // Store all the map tile idents that are loaded for that map
+            // some maps are not splitted into tiles and we have to make sure, not removing the map before all tiles are removed
+            // empty tiles have no tile file, hence map with bool instead of just a set (consistency check)
+            loadedTileMap iLoadedTiles;
+            // stores <tree_index, reference_count> to invalidate tree values, unload map, and to be able to report errors
+            loadedSpawnMap iLoadedSpawns;
+            std::string iBasePath;
+
+        private:
+            float getIntersectionTime(const G3D::Ray& pRay, float pMaxDist, bool pStopAtFirstHit) const;
+            //bool containsLoadedMapTile(unsigned int pTileIdent) const { return(iLoadedMapTiles.containsKey(pTileIdent)); }
+        public:
+            static std::string getTileFileName(uint32 mapID, uint32 tileX, uint32 tileY);
+            static uint32 packTileID(uint32 tileX, uint32 tileY) { return tileX<<16 | tileY; }
+            static void unpackTileID(uint32 ID, uint32 &tileX, uint32 &tileY) { tileX = ID>>16; tileY = ID&0xFF; }
+            static bool CanLoadMap(const std::string &basePath, uint32 mapID, uint32 tileX, uint32 tileY);
+
+            StaticMapTree(uint32 mapID, const std::string &basePath);
+            ~StaticMapTree();
+
+            bool isInLineOfSight(const G3D::Vector3& pos1, const G3D::Vector3& pos2) const;
+            bool getObjectHitPos(const G3D::Vector3& pos1, const G3D::Vector3& pos2, G3D::Vector3& pResultHitPos, float pModifyDist) const;
+            float getHeight(const G3D::Vector3& pPos) const;
+            bool getAreaInfo(G3D::Vector3 &pos, uint32 &flags, int32 &adtId, int32 &rootId, int32 &groupId) const;
+            bool GetLocationInfo(const Vector3 &pos, LocationInfo &info) const;
+
+            bool InitMap(const std::string &fname, VMapManager2 *vm);
+            void UnloadMap(VMapManager2 *vm);
+            bool LoadMapTile(uint32 tileX, uint32 tileY, VMapManager2 *vm);
+            void UnloadMapTile(uint32 tileX, uint32 tileY, VMapManager2 *vm);
+            bool isTiled() const { return iIsTiled; }
+            uint32 numLoadedTiles() const { return iLoadedTiles.size(); }
+    };
+
+    struct AreaInfo
+    {
+        AreaInfo(): result(false), ground_Z(-G3D::inf()) {};
+        bool result;
+        float ground_Z;
+        uint32 flags;
+        int32 adtId;
+        int32 rootId;
+        int32 groupId;
+    };
+}                                                           // VMAP
+
+#endif // _MAPTREE_H