Merged the fs branch with trunk. r26472:26948

svn-id: r26949

1 files changed, 76 insertions, 0 deletions

diff --git a/engines/cruise/stack.cpp b/engines/cruise/stack.cpp
new file mode 100644
index 0000000000..6cce7579ed
--- /dev/null
+++ b/engines/cruise/stack.cpp
@@ -0,0 +1,76 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ *
+ * cinE Engine is (C) 2004-2005 by CinE Team
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "cruise/cruise_main.h"
+
+namespace Cruise {
+
+// 4 type bigger than the old one, but much safer/cleaner
+stackElementStruct scriptStack[SIZE_STACK];
+
+// VAR
+
+void pushVar(int16 var) {
+	if (positionInStack < SIZE_STACK) {
+		scriptStack[positionInStack].data.shortVar = var;
+		scriptStack[positionInStack].type = STACK_SHORT;
+		positionInStack++;
+	}
+}
+
+int16 popVar(void) {
+	if (positionInStack <= 0) {
+		return (0);
+	}
+
+	positionInStack--;
+
+	ASSERT(scriptStack[positionInStack].type == STACK_SHORT);
+
+	return (scriptStack[positionInStack].data.shortVar);
+}
+
+//// PTR
+
+void pushPtr(void *ptr) {
+	if (positionInStack < SIZE_STACK) {
+		scriptStack[positionInStack].data.ptrVar = ptr;
+		scriptStack[positionInStack].type = STACK_PTR;
+		positionInStack++;
+	}
+}
+
+void *popPtr() {
+	if (positionInStack <= 0) {
+		return (0);
+	}
+
+	positionInStack--;
+
+	ASSERT(scriptStack[positionInStack].type == STACK_PTR);
+
+	return (scriptStack[positionInStack].data.ptrVar);
+}
+
+} // End of namespace Cruise