1 files changed, 117 insertions, 0 deletions
diff --git a/engines/gob/minigames/geisha/oko.cpp b/engines/gob/minigames/geisha/oko.cpp
new file mode 100644
index 0000000000..24a6c8053e
--- /dev/null
+++ b/engines/gob/minigames/geisha/oko.cpp
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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 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 "gob/minigames/geisha/oko.h"
+
+namespace Gob {
+
+namespace Geisha {
+
+enum kOkoAnimation {
+	kOkoAnimationEnter   = 0,
+	kOkoAnimationSwim    = 1,
+	kOkoAnimationSink    = 8,
+	kOkoAnimationRaise   = 7,
+	kOkoAnimationBreathe = 2
+};
+
+static const int16 kOkoPositionX = 110;
+
+static const uint kLevelCount = 3;
+static const int16 kLevelPositionX[kLevelCount] = { 44, 84, 124 };
+
+
+Oko::Oko(const ANIFile &ani) : ANIObject(ani), _state(kStateEnter), _level(0) {
+	setAnimation(kOkoAnimationEnter);
+	setVisible(true);
+}
+
+Oko::~Oko() {
+}
+
+void Oko::advance() {
+	bool wasLastFrame = lastFrame();
+
+	ANIObject::advance();
+
+	switch (_state) {
+		case kStateEnter:
+			if (wasLastFrame) {
+				setAnimation(kOkoAnimationSwim);
+				setPosition(kOkoPositionX, kLevelPositionX[_level]);
+				_state = kStateSwim;
+			}
+			break;
+
+		case kStateSink:
+		case kStateRaise:
+		case kStateBreathe:
+			if (wasLastFrame) {
+				setAnimation(kOkoAnimationSwim);
+				setPosition(kOkoPositionX, kLevelPositionX[_level]);
+				_state = kStateSwim;
+			}
+			break;
+
+		default:
+			break;
+	}
+}
+
+void Oko::sink() {
+	if (_state != kStateSwim)
+		return;
+
+	if (_level >= (kLevelCount - 1))
+		return;
+
+	setAnimation(kOkoAnimationSink);
+	setPosition(kOkoPositionX, kLevelPositionX[_level]);
+	_state = kStateSink;
+
+	_level++;
+}
+
+void Oko::raise() {
+	if (_state != kStateSwim)
+		return;
+
+	if (_level == 0) {
+		setAnimation(kOkoAnimationBreathe);
+		_state = kStateBreathe;
+		return;
+	}
+
+	setAnimation(kOkoAnimationRaise);
+	setPosition(kOkoPositionX, kLevelPositionX[_level]);
+	_state = kStateSink;
+
+	_level--;
+}
+
+Oko::State Oko::getState() const {
+	return _state;
+}
+
+} // End of namespace Geisha
+
+} // End of namespace Gob