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engines/saga2/oncall.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
+ * aint32 with this program; if not, write to the Free Software
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#ifndef SAGA2_ONCALL_H
+#define SAGA2_ONCALL_H
+
+namespace Saga2 {
+
+class HandleArray {
+private:
+	Common::Array<byte*> _handles;
+	uint32 _tileID;
+	byte *(*_loader)(hResID, bool);
+public:
+	HandleArray(uint16 size, byte*(*loadfunction)(hResID, bool), uint32 newID) {
+		for (int i = 0; i < size; ++i)
+			_handles.push_back(nullptr);
+		_loader = loadfunction;
+		_tileID = newID;
+	}
+
+	void flush() {
+		for (unsigned int i = 0; i < _handles.size(); ++i) {
+			if (_handles[i]) {
+				free(_handles[i]);
+				_handles[i] = nullptr;
+			}
+		}
+	}
+
+	byte *operator[](uint32 ind) {
+		if (_handles[ind])
+			return _handles[ind];
+
+		return _handles[ind] = _loader(_tileID + MKTAG(0, 0, 0, ind), false);
+	}
+};
+
+} // end of namespace Saga2
+
+#endif