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engines/scumm/util.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SCUMM_UTIL_H
+#define SCUMM_UTIL_H
+
+
+#include "common/scummsys.h"
+
+namespace Scumm {
+
+#define revBitMask(x)	(0x80 >> (x))
+
+/* Direction conversion functions (between old dir and new dir format) */
+int newDirToOldDir(int dir);
+int oldDirToNewDir(int dir);
+
+int normalizeAngle(int dirType, int angle);
+int fromSimpleDir(int dirtype, int dir);
+int toSimpleDir(int dirtype, int dir);
+
+void assertRange(int min, int value, int max, const char *desc);
+
+void *reallocateArray(void *buffer, size_t count, size_t size);
+
+} // End of namespace Scumm
+
+#endif