GOB: Add a controlable Oko to Geisha's Diving minigame

Still missing:
  - Air, constantly decreasing, fill up with breathing
  - Health, decreases by collision with evil fish
  - Death, when health == 0
  - Picking up pearls

4 files changed, 225 insertions, 5 deletions

diff --git a/engines/gob/minigames/geisha/diving.cpp b/engines/gob/minigames/geisha/diving.cpp
index 556d54e516..1f5c025f2d 100644
--- a/engines/gob/minigames/geisha/diving.cpp
+++ b/engines/gob/minigames/geisha/diving.cpp
@@ -31,6 +31,7 @@
 #include "gob/sound/sound.h"
 
 #include "gob/minigames/geisha/evilfish.h"
+#include "gob/minigames/geisha/oko.h"
 #include "gob/minigames/geisha/diving.h"
 
 namespace Gob {
@@ -55,10 +56,26 @@ const Diving::PlantLevel Diving::kPlantLevels[] = {
 
 
 Diving::Diving(GobEngine *vm) : _vm(vm), _background(0),
-	_objects(0), _gui(0), _oko(0), _lungs(0), _heart(0),
+	_objects(0), _gui(0), _okoAnim(0), _lungs(0), _heart(0),
 	_blackPearl(0), _whitePearlCount(0), _blackPearlCount(0) {
 
 	_blackPearl = new Surface(11, 8, 1);
+
+	for (uint i = 0; i < kEvilFishCount; i++)
+		_evilFish[i].evilFish = 0;
+
+	for (uint i = 0; i < kDecorFishCount; i++)
+		_decorFish[i].decorFish = 0;
+
+	for (uint i = 0; i < kPlantCount; i++)
+		_plant[i].plant = 0;
+
+	for (uint i = 0; i < kMaxShotCount; i++)
+		_shot[i] = 0;
+
+	_pearl.pearl = 0;
+
+	_oko = 0;
 }
 
 Diving::~Diving() {
@@ -103,6 +120,11 @@ bool Diving::play(uint16 playerCount, bool hasPearlLocation) {
 		if (mouseButtons == kMouseButtonsLeft)
 			shoot(mouseX, mouseY);
 
+		if      (key == kKeyDown)
+			_oko->sink();
+		else if (key == kKeyUp)
+			_oko->raise();
+
 		if ((_whitePearlCount >= 20) || (_blackPearlCount >= 2))
 			break;
 	}
@@ -115,7 +137,7 @@ void Diving::init() {
 	_background = new DECFile(_vm, "tperle.dec"  , 320, 200);
 	_objects    = new ANIFile(_vm, "tperle.ani"  , 320);
 	_gui        = new ANIFile(_vm, "tperlcpt.ani", 320);
-	_oko        = new ANIFile(_vm, "tplonge.ani" , 320);
+	_okoAnim    = new ANIFile(_vm, "tplonge.ani" , 320);
 
 	_water = new ANIObject(*_objects);
 	_lungs = new ANIObject(*_gui);
@@ -179,6 +201,8 @@ void Diving::init() {
 		_shot[i]->setMode(ANIObject::kModeOnce);
 	}
 
+	_oko = new Oko(*_okoAnim);
+
 	Surface tmp(320, 103, 1);
 
 	_vm->_video->drawPackedSprite("tperlobj.cmp", tmp);
@@ -199,6 +223,7 @@ void Diving::init() {
 		_anims.push_back(_evilFish[i].evilFish);
 	for (int i = kPlantCount - 1; i >= 0; i--)
 		_anims.push_back(_plant[i].plant);
+	_anims.push_back(_oko);
 	_anims.push_back(_lungs);
 	_anims.push_back(_heart);
 
@@ -248,11 +273,14 @@ void Diving::deinit() {
 	delete _pearl.pearl;
 	_pearl.pearl = 0;
 
+	delete _oko;
+	_oko = 0;
+
 	delete _heart;
 	delete _lungs;
 	delete _water;
 
-	delete _oko;
+	delete _okoAnim;
 	delete _gui;
 	delete _objects;
 	delete _background;
@@ -261,7 +289,7 @@ void Diving::deinit() {
 	_heart = 0;
 	_lungs = 0;
 
-	_oko        = 0;
+	_okoAnim    = 0;
 	_gui        = 0;
 	_objects    = 0;
 	_background = 0;
@@ -426,6 +454,9 @@ void Diving::updateDecorFish() {
 }
 
 void Diving::updatePlants() {
+	if (_oko->getState() == Oko::kStateBreathe)
+		return;
+
 	for (uint i = 0; i < kPlantCount; i++) {
 		ManagedPlant &plant = _plant[i];
 
@@ -461,6 +492,9 @@ void Diving::updatePearl() {
 	if (!_pearl.pearl->isVisible())
 		return;
 
+	if (_oko->getState() == Oko::kStateBreathe)
+		return;
+
 	// Move the pearl
 	int16 x, y, width, height;
 	_pearl.pearl->getPosition(x, y);
diff --git a/engines/gob/minigames/geisha/diving.h b/engines/gob/minigames/geisha/diving.h
index ee2f8d8451..eeee4df07c 100644
--- a/engines/gob/minigames/geisha/diving.h
+++ b/engines/gob/minigames/geisha/diving.h
@@ -40,6 +40,7 @@ class ANIObject;
 namespace Geisha {
 
 class EvilFish;
+class Oko;
 
 /** Geisha's "Diving" minigame. */
 class Diving {
@@ -107,7 +108,7 @@ private:
 	DECFile *_background;
 	ANIFile *_objects;
 	ANIFile *_gui;
-	ANIFile *_oko;
+	ANIFile *_okoAnim;
 
 	ANIObject *_water;
 	ANIObject *_lungs;
@@ -118,6 +119,8 @@ private:
 	ManagedPlant     _plant[kPlantCount];
 	ManagedPearl     _pearl;
 
+	Oko *_oko;
+
 	ANIObject *_shot[kMaxShotCount];
 
 	Common::List<int> _activeShots;
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
@@ -0,0 +1,117 @@
+/* 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
diff --git a/engines/gob/minigames/geisha/oko.h b/engines/gob/minigames/geisha/oko.h
new file mode 100644
index 0000000000..7e56315c9c
--- /dev/null
+++ b/engines/gob/minigames/geisha/oko.h
@@ -0,0 +1,66 @@
+/* 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.
+ *
+ */
+
+#ifndef GOB_MINIGAMES_GEISHA_OKO_H
+#define GOB_MINIGAMES_GEISHA_OKO_H
+
+#include "gob/aniobject.h"
+
+namespace Gob {
+
+namespace Geisha {
+
+/** Oko, the person you control, in Geisha's "Diving" minigame. */
+class Oko : public ANIObject {
+public:
+	enum State {
+		kStateEnter,
+		kStateSwim,
+		kStateSink,
+		kStateRaise,
+		kStateBreathe
+	};
+
+	Oko(const ANIFile &ani);
+	~Oko();
+
+	/** Advance the animation to the next frame. */
+	void advance();
+
+	/** Oko should sink a level. */
+	void sink();
+	/** Oko should raise a level. */
+	void raise();
+
+	State getState() const;
+
+private:
+	State _state;
+
+	uint8 _level;
+};
+
+} // End of namespace Geisha
+
+} // End of namespace Gob
+
+#endif // GOB_MINIGAMES_GEISHA_OKO_H