MUTATIONOFJB: Start implementation of ATN scripts (IF command).

1 files changed, 75 insertions, 0 deletions

diff --git a/engines/mutationofjb/script.cpp b/engines/mutationofjb/script.cpp
new file mode 100644
index 0000000000..0280c86198
--- /dev/null
+++ b/engines/mutationofjb/script.cpp
@@ -0,0 +1,75 @@
+/* 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 "script.h"
+
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+#include "common/stream.h"
+#include "mutationofjb/commands/command.h"
+
+namespace MutationOfJB {
+
+static CommandParseFunc* getParseFuncs() {
+	static CommandParseFunc funcs[] = {
+		nullptr
+	};
+
+	return funcs;
+}
+
+
+ScriptParseContext::ScriptParseContext(Common::SeekableReadStream &stream) : _stream(stream) {}
+
+bool ScriptParseContext::readLine(Common::String &line) {
+	do {
+		Common::String str = _stream.readLine();
+		if (str.empty() || str[0] != '.') {
+			line = str;
+			if (line[0] == '*') {
+				line.deleteChar(0);
+			}
+			return true;
+		}
+	} while(_stream.eos());
+
+	return false;
+}
+
+void ScriptParseContext::addConditionalCommand(ConditionalCommand *command, char tag) {
+	ConditionalCommandInfo cmi = {command, tag};
+	_pendingCondCommands.push_back(cmi);
+}
+
+bool Script::loadFromStream(Common::SeekableReadStream &stream) {
+
+	CommandParseFunc * const parseFuncs = getParseFuncs();
+
+	ScriptParseContext parseCtx(stream);
+
+	Common::HashMap<Common::String, Command *> macros;
+	Common::HashMap<Common::String, Command *> labels;
+
+	return true;
+}
+
+}