1 files changed, 121 insertions, 0 deletions
diff --git a/engines/glk/archetype/game_stat.cpp b/engines/glk/archetype/game_stat.cpp
new file mode 100644
index 0000000000..9f6a8b85d6
--- /dev/null
+++ b/engines/glk/archetype/game_stat.cpp
@@ -0,0 +1,121 @@
+/* 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 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.
+ *
+ */
+
+#include "glk/archetype/game_stat.h"
+#include "glk/archetype/archetype.h"
+#include "glk/archetype/crypt.h"
+#include "glk/archetype/saveload.h"
+#include "glk/archetype/statement.h"
+#include "glk/archetype/timestamp.h"
+
+namespace Glk {
+namespace Archetype {
+
+void save_game_state(Common::WriteStream *bfile, XArrayType &objects) {
+	int i;
+	void *p;
+
+	// Write out the timestamp associated with the original game
+	bfile->writeUint32LE(GTimeStamp);
+
+	// Get the encryption straight - reset the seed
+	cryptinit(Encryption, GTimeStamp);
+
+	for (i = 0; i < Dynamic - 1; ++i) {
+		if (index_xarray(objects, i, p)) {
+			ObjectPtr op = (ObjectPtr)p;
+			bfile->writeUint32LE(vContSeq);
+
+			dump_item_list(bfile, op->attributes, EXPR_LIST);
+		}
+	}
+
+	for (i = Dynamic; i < (int)objects.size(); ++i) {
+		if (index_xarray(objects, i, p)) {
+			bfile->writeUint32LE(vContSeq);
+			dump_object(bfile, (ObjectPtr)p);
+		}
+	}
+
+	bfile->writeUint32LE(vEndSeq);
+}
+
+bool load_game_state(Common::ReadStream *bfile, XArrayType &objects) {
+	int i;
+	void *p;
+	ObjectPtr op;
+	TimestampType tstamp;
+	StatementKind sentinel;
+
+	// Check the time stamp
+	tstamp = bfile->readUint32LE();
+	if (tstamp != GTimeStamp) {
+		g_vm->writeln("State file does not match original .ACX file");
+		return false;
+	}
+
+	// Get the encryption straight - reset the seed.Be careful upon loading since we have
+	// to do UNPURPLE instead of PURPLE
+	if (Encryption == PURPLE)
+		Encryption = UNPURPLE;
+	cryptinit(Encryption, GTimeStamp);
+
+	// Need to flush out the previous attributes andload in the new ones. Dynamically allocated
+	// objects are a little different since they might vary between game states
+	for (i = 0; i < Dynamic - 1; ++i) {
+		if (index_xarray(objects, i, p)) {
+			sentinel = (StatementKind)bfile->readUint32LE();
+			op = (ObjectPtr)p;
+			dispose_item_list(op->attributes, EXPR_LIST);
+			load_item_list(bfile, op->attributes, EXPR_LIST);
+		}
+	}
+
+	// Flush dynamic objects.Dispose of each object andshrink back the xarray
+
+	for (i = objects.size() - 1; i >= Dynamic; --i) {
+		if (index_xarray(objects, i, p)) {
+			op = (ObjectPtr)p;
+			dispose_object(op);
+		}
+
+		shrink_xarray(objects);
+	}
+
+	// sentinel has been set from before
+	sentinel = (StatementKind)bfile->readUint32LE();
+	while (sentinel == CONT_SEQ) {
+		load_object(bfile, op);
+		p = op;
+		append_to_xarray(objects, p);
+
+		sentinel = (StatementKind)bfile->readUint32LE();
+	}
+
+	if (Encryption == UNPURPLE)
+		Encryption = PURPLE;
+
+	return true;
+}
+
+} // End of namespace Archetype
+} // End of namespace Glk