GNAP: Refactor scene 38

3 files changed, 248 insertions, 201 deletions

diff --git a/engines/gnap/scenes/scene38.cpp b/engines/gnap/scenes/scene38.cpp
index 81da7642b4..9360afdd54 100644
--- a/engines/gnap/scenes/scene38.cpp
+++ b/engines/gnap/scenes/scene38.cpp
@@ -23,6 +23,7 @@
 #include "gnap/gnap.h"
 #include "gnap/gamesys.h"
 #include "gnap/resource.h"
+#include "gnap/scenes/scene38.h"
 
 namespace Gnap {
 
@@ -52,156 +53,156 @@ enum {
 	kASPlatypusHoldingTrapDoor	= 6
 };
 
-int GnapEngine::scene38_init() {
-	_gameSys->setAnimation(0, 0, 0);
-	_gameSys->setAnimation(0, 0, 1);
-	return 0xA5;
+Scene38::Scene38(GnapEngine *vm) : Scene(vm) {
 }
 
-void GnapEngine::scene38_updateHotspots() {
-	setHotspot(kHSPlatypus, 0, 0, 0, 0, SF_WALKABLE | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR);
-	setHotspot(kHSExitHouse, 150, 585, 650, 600, SF_EXIT_D_CURSOR, 0, 8);
-	setHotspot(kHSExitCave, 430, 440, 655, 470, SF_WALKABLE, 0, 8);
-	setHotspot(kHSTrapDoorLid1, 525, 265, 640, 350, SF_DISABLED);
-	setHotspot(kHSTrapDoorLid2, 555, 350, 670, 430, SF_DISABLED);
-	setHotspot(kHSHuntingTrophy, 170, 85, 250, 190, SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR, 0, 8);
-	setHotspot(kHSWalkArea1, 330, 270, 640, 380, SF_DISABLED | SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR, 0, 8);
-	setHotspot(kHSWalkArea2, 0, 0, 799, 396);
-	setHotspot(kHSWalkArea3, 0, 585, 799, 599, SF_WALKABLE | SF_DISABLED);
-	setHotspot(kHSWalkArea4, 0, 0, 97, 445);
-	setHotspot(kHSWalkArea5, 770, 0, 799, 445);
-	setHotspot(kHSWalkArea6, 393, 0, 698, 445, SF_WALKABLE | SF_DISABLED);
-	setDeviceHotspot(kHSDevice, -1, -1, -1, -1);
-	if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-		_hotspots[kHSPlatypus]._flags = SF_WALKABLE | SF_DISABLED;
-	if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-		_hotspots[kHSExitCave]._flags = SF_EXIT_D_CURSOR;
-	else if (_gnapActionStatus == kASHoldingHuntingTrophy)
-		_hotspots[kHSExitCave]._flags = SF_EXIT_D_CURSOR;
-	if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-		_hotspots[kHSTrapDoorLid1]._flags = SF_DISABLED;
-	else if (_gnapActionStatus == kASHoldingHuntingTrophy)
-		_hotspots[kHSTrapDoorLid1]._flags = SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR;
-	if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-		_hotspots[kHSTrapDoorLid2]._flags = SF_DISABLED;
-	else if (_gnapActionStatus == kASHoldingHuntingTrophy)
-		_hotspots[kHSTrapDoorLid2]._flags = SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR;
-	if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-		_hotspots[kHSWalkArea6]._flags = SF_NONE;
-	_hotspotsCount = 13;
+int Scene38::init() {
+	_vm->_gameSys->setAnimation(0, 0, 0);
+	_vm->_gameSys->setAnimation(0, 0, 1);
+	return 0xA5;
 }
 
-void GnapEngine::scene38_run() {
+void Scene38::updateHotspots() {
+	_vm->setHotspot(kHSPlatypus, 0, 0, 0, 0, SF_WALKABLE | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR);
+	_vm->setHotspot(kHSExitHouse, 150, 585, 650, 600, SF_EXIT_D_CURSOR, 0, 8);
+	_vm->setHotspot(kHSExitCave, 430, 440, 655, 470, SF_WALKABLE, 0, 8);
+	_vm->setHotspot(kHSTrapDoorLid1, 525, 265, 640, 350, SF_DISABLED);
+	_vm->setHotspot(kHSTrapDoorLid2, 555, 350, 670, 430, SF_DISABLED);
+	_vm->setHotspot(kHSHuntingTrophy, 170, 85, 250, 190, SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR, 0, 8);
+	_vm->setHotspot(kHSWalkArea1, 330, 270, 640, 380, SF_DISABLED | SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR, 0, 8);
+	_vm->setHotspot(kHSWalkArea2, 0, 0, 799, 396);
+	_vm->setHotspot(kHSWalkArea3, 0, 585, 799, 599, SF_WALKABLE | SF_DISABLED);
+	_vm->setHotspot(kHSWalkArea4, 0, 0, 97, 445);
+	_vm->setHotspot(kHSWalkArea5, 770, 0, 799, 445);
+	_vm->setHotspot(kHSWalkArea6, 393, 0, 698, 445, SF_WALKABLE | SF_DISABLED);
+	_vm->setDeviceHotspot(kHSDevice, -1, -1, -1, -1);
+	if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+		_vm->_hotspots[kHSPlatypus]._flags = SF_WALKABLE | SF_DISABLED;
+	if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+		_vm->_hotspots[kHSExitCave]._flags = SF_EXIT_D_CURSOR;
+	else if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy)
+		_vm->_hotspots[kHSExitCave]._flags = SF_EXIT_D_CURSOR;
+	if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+		_vm->_hotspots[kHSTrapDoorLid1]._flags = SF_DISABLED;
+	else if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy)
+		_vm->_hotspots[kHSTrapDoorLid1]._flags = SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR;
+	if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+		_vm->_hotspots[kHSTrapDoorLid2]._flags = SF_DISABLED;
+	else if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy)
+		_vm->_hotspots[kHSTrapDoorLid2]._flags = SF_PLAT_CURSOR | SF_TALK_CURSOR | SF_GRAB_CURSOR | SF_LOOK_CURSOR;
+	if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+		_vm->_hotspots[kHSWalkArea6]._flags = SF_NONE;
+	_vm->_hotspotsCount = 13;
+}
 
-	queueInsertDeviceIcon();
-	_gameSys->insertSequence(0x9B, 0, 0, 0, kSeqNone, 0, 0, 0);
+void Scene38::run() {
+	_vm->queueInsertDeviceIcon();
+	_vm->_gameSys->insertSequence(0x9B, 0, 0, 0, kSeqNone, 0, 0, 0);
 
-	if (_prevSceneNum == 39) {
-		initGnapPos(3, 7, kDirBottomLeft);
-		initPlatypusPos(4, 7, kDirUnk4);
+	if (_vm->_prevSceneNum == 39) {
+		_vm->initGnapPos(3, 7, kDirBottomLeft);
+		_vm->initPlatypusPos(4, 7, kDirUnk4);
 	} else {
-		initGnapPos(3, 8, kDirBottomRight);
-		initPlatypusPos(4, 8, kDirNone);
+		_vm->initGnapPos(3, 8, kDirBottomRight);
+		_vm->initPlatypusPos(4, 8, kDirNone);
 	}
-	endSceneInit();
-
-	while (!_sceneDone) {
-
-		updateMouseCursor();
-		updateCursorByHotspot();
+	_vm->endSceneInit();
 
-		_sceneClickedHotspot = getClickedHotspotId();
-		updateGrabCursorSprite(0, 0);
+	while (!_vm->_sceneDone) {
+		_vm->updateMouseCursor();
+		_vm->updateCursorByHotspot();
 
-		switch (_sceneClickedHotspot) {
+		_vm->_sceneClickedHotspot = _vm->getClickedHotspotId();
+		_vm->updateGrabCursorSprite(0, 0);
 
+		switch (_vm->_sceneClickedHotspot) {
 		case kHSDevice:
-			runMenu();
-			scene38_updateHotspots();
+			_vm->runMenu();
+			updateHotspots();
 			break;
 
 		case kHSPlatypus:
-			if (_gnapActionStatus == kASHoldingHuntingTrophy) {
-				_gnapActionStatus = kASReleaseHuntingTrophy;
-			} else if (_grabCursorSpriteIndex >= 0) {
-				playGnapImpossible(_platX, _platY);
+			if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy) {
+				_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
+			} else if (_vm->_grabCursorSpriteIndex >= 0) {
+				_vm->playGnapImpossible(_vm->_platX, _vm->_platY);
 			} else {
-				switch (_verbCursor) {
+				switch (_vm->_verbCursor) {
 				case LOOK_CURSOR:
-					playGnapMoan1(_platX, _platY);
+					_vm->playGnapMoan1(_vm->_platX, _vm->_platY);
 					break;
 				case GRAB_CURSOR:
-					gnapKissPlatypus(0);
+					_vm->gnapKissPlatypus(0);
 					break;
 				case TALK_CURSOR:
-					playGnapBrainPulsating(_platX, _platY);
-					playPlatypusSequence(getPlatypusSequenceId());
+					_vm->playGnapBrainPulsating(_vm->_platX, _vm->_platY);
+					_vm->playPlatypusSequence(_vm->getPlatypusSequenceId());
 					break;
 				case PLAT_CURSOR:
-					playGnapImpossible(_platX, _platY);
+					_vm->playGnapImpossible(_vm->_platX, _vm->_platY);
 					break;
 				}
 			}
 			break;
 
 		case kHSExitHouse:
-			if (_gnapActionStatus == kASHoldingHuntingTrophy) {
-				_gnapActionStatus = kASReleaseHuntingTrophy;
+			if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy) {
+				_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
 			} else {
-				_isLeavingScene = true;
-				gnapWalkTo(-1, -1, 0, 0x107AE, 1);
-				_gnapActionStatus = kASLeaveScene;
-				_newSceneNum = 37;
+				_vm->_isLeavingScene = true;
+				_vm->gnapWalkTo(-1, -1, 0, 0x107AE, 1);
+				_vm->_gnapActionStatus = kASLeaveScene;
+				_vm->_newSceneNum = 37;
 			}
 			break;
 
 		case kHSExitCave:
-			if (_gnapActionStatus == kASHoldingHuntingTrophy) {
-				_gnapActionStatus = kASReleaseHuntingTrophy;
-				if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-					_isLeavingScene = true;
-			} else if (_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
-				_sceneWaiting = false;
-				_isLeavingScene = true;
-				gnapWalkTo(5, 7, 0, 0x107BB, 1);
-				_newSceneNum = 39;
-				_gnapActionStatus = kASExitCave;
+			if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy) {
+				_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
+				if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+					_vm->_isLeavingScene = true;
+			} else if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
+				_vm->_sceneWaiting = false;
+				_vm->_isLeavingScene = true;
+				_vm->gnapWalkTo(5, 7, 0, 0x107BB, 1);
+				_vm->_newSceneNum = 39;
+				_vm->_gnapActionStatus = kASExitCave;
 			}
 			break;
 
 		case kHSTrapDoorLid1:
 		case kHSTrapDoorLid2:
-			if (_gnapActionStatus == kASHoldingHuntingTrophy) {
-				if (_verbCursor == PLAT_CURSOR && _platypusActionStatus != kASPlatypusHoldingTrapDoor)
-					_gnapActionStatus = kASUsePlatypusWithTrapDoor;
+			if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy) {
+				if (_vm->_verbCursor == PLAT_CURSOR && _vm->_platypusActionStatus != kASPlatypusHoldingTrapDoor)
+					_vm->_gnapActionStatus = kASUsePlatypusWithTrapDoor;
 				else
-					_gnapActionStatus = kASReleaseHuntingTrophy;
+					_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
 			}
 			break;
 
 		case kHSHuntingTrophy:
-			if (_gnapActionStatus != kASHoldingHuntingTrophy) {
-				if (_grabCursorSpriteIndex >= 0) {
-					playGnapShowCurrItem(3, 6, 2, 0);
+			if (_vm->_gnapActionStatus != kASHoldingHuntingTrophy) {
+				if (_vm->_grabCursorSpriteIndex >= 0) {
+					_vm->playGnapShowCurrItem(3, 6, 2, 0);
 				} else {
-					switch (_verbCursor) {
+					switch (_vm->_verbCursor) {
 					case LOOK_CURSOR:
-						playGnapScratchingHead(0, 0);
+						_vm->playGnapScratchingHead(0, 0);
 						break;
 					case GRAB_CURSOR:
-						if (_platypusActionStatus == kASPlatypusHoldingTrapDoor)
-							playGnapImpossible(0, 0);
+						if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor)
+							_vm->playGnapImpossible(0, 0);
 						else {
-							gnapWalkTo(3, 6, 0, 0x107BB, 1);
-							platypusWalkTo(4, 8, -1, -1, 1);
-							_gnapActionStatus = kASUseHuntingTrophy;
+							_vm->gnapWalkTo(3, 6, 0, 0x107BB, 1);
+							_vm->platypusWalkTo(4, 8, -1, -1, 1);
+							_vm->_gnapActionStatus = kASUseHuntingTrophy;
 						}
 						break;
 					case TALK_CURSOR:
-						playGnapBrainPulsating(2, 0);
+						_vm->playGnapBrainPulsating(2, 0);
 						break;
 					case PLAT_CURSOR:
-						playGnapImpossible(0, 0);
+						_vm->playGnapImpossible(0, 0);
 						break;
 					}
 				}
@@ -217,148 +218,143 @@ void GnapEngine::scene38_run() {
 		case kHSWalkArea4:
 		case kHSWalkArea5:
 		case kHSWalkArea6:
-			if (_gnapActionStatus == kASHoldingHuntingTrophy)
-				_gnapActionStatus = kASReleaseHuntingTrophy;
-			else if (_gnapActionStatus < 0)
-				gnapWalkTo(-1, -1, -1, -1, 1);
+			if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy)
+				_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
+			else if (_vm->_gnapActionStatus < 0)
+				_vm->gnapWalkTo(-1, -1, -1, -1, 1);
 			break;
 
 		default:
-			if (_mouseClickState._left) {
-				if (_gnapActionStatus == kASHoldingHuntingTrophy)
-					_gnapActionStatus = kASReleaseHuntingTrophy;
-				else if (_gnapActionStatus < 0)
-					gnapWalkTo(-1, -1, -1, -1, 1);
-				_mouseClickState._left = false;
+			if (_vm->_mouseClickState._left) {
+				if (_vm->_gnapActionStatus == kASHoldingHuntingTrophy)
+					_vm->_gnapActionStatus = kASReleaseHuntingTrophy;
+				else if (_vm->_gnapActionStatus < 0)
+					_vm->gnapWalkTo(-1, -1, -1, -1, 1);
+				_vm->_mouseClickState._left = false;
 			}
 			break;
-
 		}
 
-		scene38_updateAnimations();
+		updateAnimations();
 
-		if (!_isLeavingScene) {
-			updatePlatypusIdleSequence();
-			updateGnapIdleSequence();
+		if (!_vm->_isLeavingScene) {
+			_vm->updatePlatypusIdleSequence();
+			_vm->updateGnapIdleSequence();
 		}
 
-		checkGameKeys();
+		_vm->checkGameKeys();
 
-		if (isKeyStatus1(8)) {
-			clearKeyStatus1(8);
-			runMenu();
-			scene38_updateHotspots();
+		if (_vm->isKeyStatus1(8)) {
+			_vm->clearKeyStatus1(8);
+			_vm->runMenu();
+			updateHotspots();
 		}
 
-		gameUpdateTick();
-
+		_vm->gameUpdateTick();
 	}
-
 }
 
-void GnapEngine::scene38_updateAnimations() {
-
-	if (_gameSys->getAnimationStatus(0) == 2) {
-		_gameSys->setAnimation(0, 0, 0);
-		switch (_gnapActionStatus) {
+void Scene38::updateAnimations() {
+	if (_vm->_gameSys->getAnimationStatus(0) == 2) {
+		_vm->_gameSys->setAnimation(0, 0, 0);
+		switch (_vm->_gnapActionStatus) {
 		case kASLeaveScene:
-			_sceneDone = true;
+			_vm->_sceneDone = true;
 			break;
 		case kASExitCave:
-			_gameSys->removeSequence(_platypusSequenceId | (_platypusSequenceDatNum << 16), _platypusId, true);
-			_gameSys->insertSequence(0xA3, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-			_gnapSequenceId = 0xA3;
-			_gnapSequenceDatNum = 0;
-			_gameSys->setAnimation(0xA3, _gnapId, 0);
-			_gnapActionStatus = kASLeaveScene;
+			_vm->_gameSys->removeSequence(_vm->_platypusSequenceId | (_vm->_platypusSequenceDatNum << 16), _vm->_platypusId, true);
+			_vm->_gameSys->insertSequence(0xA3, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+			_vm->_gnapSequenceId = 0xA3;
+			_vm->_gnapSequenceDatNum = 0;
+			_vm->_gameSys->setAnimation(0xA3, _vm->_gnapId, 0);
+			_vm->_gnapActionStatus = kASLeaveScene;
 			break;
 		case kASUseHuntingTrophy:
-			_gameSys->removeSequence(0x9B, 0, true);
-			_gameSys->insertSequence(0x9C, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-			_gnapSequenceId = 0x9C;
-			_gnapSequenceDatNum = 0;
-			_gameSys->setAnimation(0x9C, _gnapId, 0);
-			_gnapActionStatus = kASHoldingHuntingTrophy;
-			scene38_updateHotspots();
+			_vm->_gameSys->removeSequence(0x9B, 0, true);
+			_vm->_gameSys->insertSequence(0x9C, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+			_vm->_gnapSequenceId = 0x9C;
+			_vm->_gnapSequenceDatNum = 0;
+			_vm->_gameSys->setAnimation(0x9C, _vm->_gnapId, 0);
+			_vm->_gnapActionStatus = kASHoldingHuntingTrophy;
+			updateHotspots();
 			break;
 		case kASHoldingHuntingTrophy:
-			if (_platypusActionStatus != kASPlatypusHoldingTrapDoor)
-				_sceneWaiting = true;
-			if (_gnapSequenceId == 0xA4) {
-				_gameSys->insertSequence(0x9D, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-				_gnapSequenceId = 0x9D;
+			if (_vm->_platypusActionStatus != kASPlatypusHoldingTrapDoor)
+				_vm->_sceneWaiting = true;
+			if (_vm->_gnapSequenceId == 0xA4) {
+				_vm->_gameSys->insertSequence(0x9D, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+				_vm->_gnapSequenceId = 0x9D;
 			} else {
-				_gameSys->insertSequence(0xA4, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-				_gnapSequenceId = 0xA4;
+				_vm->_gameSys->insertSequence(0xA4, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+				_vm->_gnapSequenceId = 0xA4;
 			}
-			_gnapSequenceDatNum = 0;
-			_gameSys->setAnimation(_gnapSequenceId, _gnapId, 0);
+			_vm->_gnapSequenceDatNum = 0;
+			_vm->_gameSys->setAnimation(_vm->_gnapSequenceId, _vm->_gnapId, 0);
 			break;
 		case kASReleaseHuntingTrophy:
-			if (_gnapSequenceId == 0x9E) {
-				_gameSys->insertSequence(0x9B, 0, 0, 0, kSeqNone, 0, 0, 0);
-				_gnapActionStatus = -1;
-			} else if (_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
-				_gameSys->insertSequence(0xA0, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-				_gnapSequenceId = 0xA0;
-				_gnapSequenceDatNum = 0;
-				_gnapX = 3;
-				_gnapY = 6;
-				_gnapIdleFacing = kDirBottomRight;
-				if (_isLeavingScene) {
-					_sceneWaiting = false;
-					gnapWalkTo(5, 7, 0, 0x107BB, 1);
-					_newSceneNum = 39;
-					_gnapActionStatus = kASExitCave;
+			if (_vm->_gnapSequenceId == 0x9E) {
+				_vm->_gameSys->insertSequence(0x9B, 0, 0, 0, kSeqNone, 0, 0, 0);
+				_vm->_gnapActionStatus = -1;
+			} else if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
+				_vm->_gameSys->insertSequence(0xA0, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+				_vm->_gnapSequenceId = 0xA0;
+				_vm->_gnapSequenceDatNum = 0;
+				_vm->_gnapX = 3;
+				_vm->_gnapY = 6;
+				_vm->_gnapIdleFacing = kDirBottomRight;
+				if (_vm->_isLeavingScene) {
+					_vm->_sceneWaiting = false;
+					_vm->gnapWalkTo(5, 7, 0, 0x107BB, 1);
+					_vm->_newSceneNum = 39;
+					_vm->_gnapActionStatus = kASExitCave;
 				} else {
-					_gnapActionStatus = -1;
+					_vm->_gnapActionStatus = -1;
 				}
 			} else {
-				_gameSys->insertSequence(0x9E, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-				_gnapSequenceId = 0x9E;
-				_gnapSequenceDatNum = 0;
-				_gnapX = 3;
-				_gnapY = 6;
-				_gnapIdleFacing = kDirBottomRight;
-				_gameSys->setAnimation(0x9E, _gnapId, 0);
-				_sceneWaiting = false;
-				scene38_updateHotspots();
+				_vm->_gameSys->insertSequence(0x9E, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+				_vm->_gnapSequenceId = 0x9E;
+				_vm->_gnapSequenceDatNum = 0;
+				_vm->_gnapX = 3;
+				_vm->_gnapY = 6;
+				_vm->_gnapIdleFacing = kDirBottomRight;
+				_vm->_gameSys->setAnimation(0x9E, _vm->_gnapId, 0);
+				_vm->_sceneWaiting = false;
+				updateHotspots();
 			}
 			break;
 		case kASUsePlatypusWithTrapDoor:
-			_sceneWaiting = false;
-			_gameSys->insertSequence(0x9F, _gnapId, makeRid(_gnapSequenceDatNum, _gnapSequenceId), _gnapId, kSeqSyncWait, 0, 0, 0);
-			_gnapSequenceId = 0x9F;
-			_gnapSequenceDatNum = 0;
-			_gameSys->setAnimation(0x9F, _gnapId, 0);
-			_gnapActionStatus = kASHoldingHuntingTrophy;
-			if (_platypusFacing != kDirNone)
-				playPlatypusSequence(0x107D5);
+			_vm->_sceneWaiting = false;
+			_vm->_gameSys->insertSequence(0x9F, _vm->_gnapId, makeRid(_vm->_gnapSequenceDatNum, _vm->_gnapSequenceId), _vm->_gnapId, kSeqSyncWait, 0, 0, 0);
+			_vm->_gnapSequenceId = 0x9F;
+			_vm->_gnapSequenceDatNum = 0;
+			_vm->_gameSys->setAnimation(0x9F, _vm->_gnapId, 0);
+			_vm->_gnapActionStatus = kASHoldingHuntingTrophy;
+			if (_vm->_platypusFacing != kDirNone)
+				_vm->playPlatypusSequence(0x107D5);
 			else
-				playPlatypusSequence(0x107D4);
-			platypusWalkTo(8, 7, -1, 0x107D2, 1);
-			_gameSys->insertSequence(0xA1, _gnapId + 1, _platypusSequenceId | (_platypusSequenceDatNum << 16), _platypusId, kSeqSyncWait, 0, 0, 0);
-			_platypusSequenceId = 0xA1;
-			_platypusSequenceDatNum = 0;
-			_platypusId = _gnapId + 1;
-			_gameSys->setAnimation(0xA1, _gnapId + 1, 1);
-			_platypusActionStatus = kASPlatypusHoldingTrapDoor;
-			scene38_updateHotspots();
+				_vm->playPlatypusSequence(0x107D4);
+			_vm->platypusWalkTo(8, 7, -1, 0x107D2, 1);
+			_vm->_gameSys->insertSequence(0xA1, _vm->_gnapId + 1, _vm->_platypusSequenceId | (_vm->_platypusSequenceDatNum << 16), _vm->_platypusId, kSeqSyncWait, 0, 0, 0);
+			_vm->_platypusSequenceId = 0xA1;
+			_vm->_platypusSequenceDatNum = 0;
+			_vm->_platypusId = _vm->_gnapId + 1;
+			_vm->_gameSys->setAnimation(0xA1, _vm->_gnapId + 1, 1);
+			_vm->_platypusActionStatus = kASPlatypusHoldingTrapDoor;
+			updateHotspots();
 			break;
 		}
 	}
 
-	if (_gameSys->getAnimationStatus(1) == 2) {
-		_gameSys->setAnimation(0, 0, 1);
-		if (_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
-			_gameSys->insertSequence(0xA2, _platypusId, _platypusSequenceId | (_platypusSequenceDatNum << 16), _platypusId, kSeqSyncWait, 0, 0, 0);
-			_platypusSequenceId = 0xA2;
-			_platypusSequenceDatNum = 0;
-			scene38_updateHotspots();
-			_sceneWaiting = true;
+	if (_vm->_gameSys->getAnimationStatus(1) == 2) {
+		_vm->_gameSys->setAnimation(0, 0, 1);
+		if (_vm->_platypusActionStatus == kASPlatypusHoldingTrapDoor) {
+			_vm->_gameSys->insertSequence(0xA2, _vm->_platypusId, _vm->_platypusSequenceId | (_vm->_platypusSequenceDatNum << 16), _vm->_platypusId, kSeqSyncWait, 0, 0, 0);
+			_vm->_platypusSequenceId = 0xA2;
+			_vm->_platypusSequenceDatNum = 0;
+			updateHotspots();
+			_vm->_sceneWaiting = true;
 		}
 	}
-
 }
 
 } // End of namespace Gnap
diff --git a/engines/gnap/scenes/scene38.h b/engines/gnap/scenes/scene38.h
new file mode 100644
index 0000000000..7cc90b75e7
--- /dev/null
+++ b/engines/gnap/scenes/scene38.h
@@ -0,0 +1,48 @@
+/* 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 GNAP_SCENE38_H
+#define GNAP_SCENE38_H
+
+#include "gnap/debugger.h"
+#include "gnap/scenes/scenecore.h"
+
+namespace Gnap {
+
+class GnapEngine;
+
+class Scene38: public Scene {
+public:
+	Scene38(GnapEngine *vm);
+	~Scene38() {}
+
+	virtual int init();
+	virtual void updateHotspots();
+	virtual void run();
+	virtual void updateAnimations();
+	virtual void updateAnimationsCb() {};
+
+private:
+};
+
+} // End of namespace Gnap
+#endif // GNAP_SCENE38_H
diff --git a/engines/gnap/scenes/scenecore.cpp b/engines/gnap/scenes/scenecore.cpp
index c5b47c650f..75a1f572a6 100644
--- a/engines/gnap/scenes/scenecore.cpp
+++ b/engines/gnap/scenes/scenecore.cpp
@@ -59,6 +59,7 @@
 #include "gnap/scenes/scene31.h"
 #include "gnap/scenes/scene32.h"
 #include "gnap/scenes/scene33.h"
+#include "gnap/scenes/scene38.h"
 #include "gnap/scenes/scene47.h"
 #include "gnap/scenes/scene48.h"
 #include "gnap/scenes/scene54.h"
@@ -332,8 +333,9 @@ int GnapEngine::initSceneLogic() {
 		initSceneGrid(21, 146, 11, 10);
 		break;
 	case 38:
-		backgroundId = scene38_init();
-		scene38_updateHotspots();
+		_scene = new Scene38(this);
+		backgroundId = _scene->init();
+		_scene->updateHotspots();
 		_gameSys->setScaleValues(0, 500, 1, 1000);
 		initSceneGrid(21, 146, 11, 10);
 		break;
@@ -650,7 +652,8 @@ void GnapEngine::runSceneLogic() {
 			_newSceneNum = 37;
 		break;
 	case 38:
-		scene38_run();
+		_scene->run();
+		delete _scene;
 		if (_newSceneNum == 55)
 			_newSceneNum = 37;
 		break;