1 files changed, 84 insertions, 0 deletions
diff --git a/src/game/HateMatrix.h b/src/game/HateMatrix.h
new file mode 100644
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--- /dev/null
+++ b/src/game/HateMatrix.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
+ *
+ * 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 MANGOS_HATEMATRIX_H
+#define MANGOS_HATEMATRIX_H
+
+#include "Utilities/HashMap.h"
+#include <cassert>
+
+class Unit;
+
+struct MANGOS_DLL_DECL HateMatrix
+{
+    typedef hash_map<Unit *, uint32> HateMatrixMapType;
+
+    inline uint32 operator[](Unit *unit) const
+    {
+        HateMatrixMapType::const_iterator iter = i_hateValues.find(unit);
+        return (iter == i_hateValues.end() ? 0 : iter->second);
+    }
+
+    inline uint32& operator[](Unit *unit)
+    {
+        HateMatrixMapType::iterator iter = i_hateValues.find(unit);
+        if( iter == i_hateValues.end() )
+        {
+            std::pair<HateMatrixMapType::iterator, bool> p = i_hateValues.insert( HateMatrixMapType::value_type(unit, 0) );
+            assert(p.second);
+            iter = p.first;
+        }
+
+        return iter->second;
+    }
+
+    inline void ClearMatrix(void) { i_hateValues.clear(); }
+
+    inline void RemoveValue(Unit *unit)
+    {
+        HateMatrixMapType::iterator iter = i_hateValues.find(unit);
+        if( iter != i_hateValues.end() )
+            i_hateValues.erase( iter );
+    }
+
+    inline void AddValue(Unit *unit, uint32 val)
+    {
+        (*this)[unit] += val;
+    }
+
+    private:
+        HateMatrixMapType i_hateValues;
+};
+
+struct HateBinder
+{
+    static uint32 si_noHateValue;
+    uint32 &i_hateValue;
+    Unit *i_unit;
+    HateBinder(uint32 &val, Unit *u) : i_hateValue(val), i_unit(u) {}
+    HateBinder() : i_hateValue(si_noHateValue), i_unit(NULL) {}
+    HateBinder(const HateBinder &obj) : i_hateValue(obj.i_hateValue), i_unit(obj.i_unit) {}
+
+    HateBinder& operator=(const HateBinder &obj)
+    {
+        i_hateValue = obj.i_hateValue;
+        i_unit = obj.i_unit;
+        return *this;
+    }
+};
+#endif