KYRA: (LOL) - refactor item/monster structs

7 files changed, 177 insertions, 178 deletions

diff --git a/engines/kyra/items_lol.cpp b/engines/kyra/items_lol.cpp
index 0d6e99a696..e6cd9355fc 100644
--- a/engines/kyra/items_lol.cpp
+++ b/engines/kyra/items_lol.cpp
@@ -27,6 +27,68 @@
 
 namespace Kyra {
 
+LoLObject *LoLEngine::findObject(uint16 index) {
+	if (index & 0x8000)
+		return &_monsters[index & 0x7fff];
+	else
+		return &_itemsInPlay[index];
+}
+
+int LoLEngine::calcObjectPosition(LoLObject *i, uint16 direction) {
+	int x = i->x;
+	int y = i->y;
+
+	calcSpriteRelPosition(_partyPosX, _partyPosY, x, y, direction);
+
+	if (y < 0)
+		y = 0;
+
+	int res = (i->flyingHeight << 12);
+	res |= (4095 - y);
+
+	return res;
+}
+
+void LoLEngine::removeAssignedObjectFromBlock(LevelBlockProperty *l, uint16 id) {
+	uint16 *blockItemIndex = &l->assignedObjects;
+	LoLObject *i = 0;
+
+	while (*blockItemIndex) {
+		if (*blockItemIndex == id) {
+			i = findObject(id);
+			*blockItemIndex = i->nextAssignedObject;
+			i->nextAssignedObject = 0;
+			return;
+		}
+
+		i = findObject(*blockItemIndex);
+		blockItemIndex = &i->nextAssignedObject;
+	}
+}
+
+void LoLEngine::removeDrawObjectFromBlock(LevelBlockProperty *l, uint16 id) {
+	uint16 *blockItemIndex = &l->drawObjects;
+	LoLObject *i = 0;
+
+	while (*blockItemIndex) {
+		if (*blockItemIndex == id) {
+			i = findObject(id);
+			*blockItemIndex = i->nextDrawObject;
+			i->nextDrawObject = 0;
+			return;
+		}
+
+		i = findObject(*blockItemIndex);
+		blockItemIndex = &i->nextDrawObject;
+	}
+}
+
+void LoLEngine::assignObjectToBlock(uint16 *assignedBlockObjects, uint16 id) {
+	LoLObject *t = findObject(id);
+	t->nextAssignedObject = *assignedBlockObjects;
+	*assignedBlockObjects = id;
+}
+
 void LoLEngine::giveCredits(int credits, int redraw) {
 	if (redraw)
 		snd_playSoundEffect(101, -1);
@@ -156,7 +218,7 @@ Item LoLEngine::makeItem(int itemType, int curFrame, int flags) {
 		}
 	}
 
-	memset(&_itemsInPlay[slot], 0, sizeof(ItemInPlay));
+	memset(&_itemsInPlay[slot], 0, sizeof(LoLItem));
 
 	_itemsInPlay[slot].itemPropertyIndex = itemType;
 	_itemsInPlay[slot].shpCurFrame_flg = (curFrame & 0x1fff) | flags;
@@ -221,17 +283,10 @@ bool LoLEngine::isItemMoveable(Item itemIndex) {
 }
 
 void LoLEngine::deleteItem(Item itemIndex) {
-	memset(&_itemsInPlay[itemIndex], 0, sizeof(ItemInPlay));
+	memset(&_itemsInPlay[itemIndex], 0, sizeof(LoLItem));
 	_itemsInPlay[itemIndex].shpCurFrame_flg |= 0x8000;
 }
 
-ItemInPlay *LoLEngine::findObject(uint16 index) {
-	if (index & 0x8000)
-		return (ItemInPlay *)&_monsters[index & 0x7fff];
-	else
-		return &_itemsInPlay[index];
-}
-
 void LoLEngine::runItemScript(int charNum, Item item, int flags, int next, int reg4) {
 	EMCState scriptState;
 	memset(&scriptState, 0, sizeof(EMCState));
@@ -443,7 +498,7 @@ void LoLEngine::objectFlightProcessHits(FlyingObject *t, int x, int y, int objec
 		if (_itemProperties[_itemsInPlay[t->item].itemPropertyIndex].flags & 0x4000) {
 			int o = _levelBlockProperties[_itemsInPlay[t->item].block].assignedObjects;
 			while (o & 0x8000) {
-				ItemInPlay *i = findObject(o);
+				LoLObject *i = findObject(o);
 				o = i->nextAssignedObject;
 				runItemScript(t->attackerId, t->item, 0x8000, o, 0);
 			}
@@ -502,13 +557,13 @@ void LoLEngine::updateFlyingObject(FlyingObject *t) {
 
 void LoLEngine::assignItemToBlock(uint16 *assignedBlockObjects, int id) {
 	while (*assignedBlockObjects & 0x8000) {
-		ItemInPlay *tmp = findObject(*assignedBlockObjects);
+		LoLObject *tmp = findObject(*assignedBlockObjects);
 		assignedBlockObjects = &tmp->nextAssignedObject;
 	}
 
-	ItemInPlay *newObject = findObject(id);
+	LoLObject *newObject = findObject(id);
 	newObject->nextAssignedObject = *assignedBlockObjects;
-	newObject->level = -1;
+	((LoLItem*)newObject)->level = -1;
 	*assignedBlockObjects = id;
 }
 
@@ -531,7 +586,7 @@ int LoLEngine::checkSceneForItems(uint16 *blockDrawObjects, int color) {
 				return *blockDrawObjects;
 		}
 
-		ItemInPlay *i = findObject(*blockDrawObjects);
+		LoLObject *i = findObject(*blockDrawObjects);
 		blockDrawObjects = &i->nextDrawObject;
 	}
 
diff --git a/engines/kyra/lol.cpp b/engines/kyra/lol.cpp
index a57fe4fdb8..62143e5f72 100644
--- a/engines/kyra/lol.cpp
+++ b/engines/kyra/lol.cpp
@@ -390,8 +390,8 @@ Common::Error LoLEngine::init() {
 	_pageBuffer2 = new uint8[0xfa00];
 	memset(_pageBuffer2, 0, 0xfa00);
 
-	_itemsInPlay = new ItemInPlay[400];
-	memset(_itemsInPlay, 0, sizeof(ItemInPlay) * 400);
+	_itemsInPlay = new LoLItem[400];
+	memset(_itemsInPlay, 0, sizeof(LoLItem) * 400);
 
 	_characters = new LoLCharacter[4];
 	memset(_characters, 0, sizeof(LoLCharacter) * 4);
@@ -404,8 +404,8 @@ Common::Error LoLEngine::init() {
 	_wllAutomapData = new uint8[80];
 	memset(_wllAutomapData, 0, 80);
 
-	_monsters = new LoLMonsterInPlay[30];
-	memset(_monsters, 0, 30 * sizeof(LoLMonsterInPlay));
+	_monsters = new LoLMonster[30];
+	memset(_monsters, 0, 30 * sizeof(LoLMonster));
 	_monsterProperties = new LoLMonsterProperty[5];
 	memset(_monsterProperties, 0, 5 * sizeof(LoLMonsterProperty));
 
@@ -821,7 +821,7 @@ void LoLEngine::startup() {
 	for (int i = 0; i < _numHealiShapes; i++)
 		_healiShapes[i] = _screen->makeShapeCopy(shp, i);
 
-	memset(_itemsInPlay, 0, 400 * sizeof(ItemInPlay));
+	memset(_itemsInPlay, 0, 400 * sizeof(LoLItem));
 	for (int i = 0; i < 400; i++)
 		_itemsInPlay[i].shpCurFrame_flg |= 0x8000;
 
@@ -1946,7 +1946,7 @@ void LoLEngine::setupDialogueButtons(int numStr, const char *s1, const char *s2,
 		removeInputTop();
 }
 
-void LoLEngine::giveItemToMonster(LoLMonsterInPlay *monster, Item item) {
+void LoLEngine::giveItemToMonster(LoLMonster *monster, Item item) {
 	uint16 *c = &monster->assignedItems;
 	while (*c)
 		c = &_itemsInPlay[*c].nextAssignedObject;
@@ -2397,7 +2397,7 @@ int LoLEngine::processMagicIce(int charNum, int spellLevel) {
 			int might = rollDice(iceDamageMin[spellLevel], iceDamageMax[spellLevel]) + iceDamageAdd[spellLevel];
 			int dmg = calcInflictableDamagePerItem(charNum, 0, might, 3, 2);
 
-			LoLMonsterInPlay *m = &_monsters[o & 0x7fff];
+			LoLMonster *m = &_monsters[o & 0x7fff];
 			if (m->hitPoints <= dmg) {
 				increaseExperience(charNum, 2, m->hitPoints);
 				o = m->nextAssignedObject;
@@ -2476,7 +2476,7 @@ int LoLEngine::processMagicFireball(int charNum, int spellLevel) {
 			while (o & 0x8000) {
 				static const uint8 fireballDamage[] = { 20, 40, 80, 100 };
 				int dmg = calcInflictableDamagePerItem(charNum, o, fireballDamage[spellLevel], 4, 1);
-				LoLMonsterInPlay *m = &_monsters[o & 0x7fff];
+				LoLMonster *m = &_monsters[o & 0x7fff];
 				o = m->nextAssignedObject;
 				_envSfxUseQueue = true;
 				inflictDamage(m->id | 0x8000, dmg, charNum, 2, 4);
@@ -2641,7 +2641,7 @@ int LoLEngine::processMagicHandOfFate(int spellLevel) {
 				uint16 o = _levelBlockProperties[b1].assignedObjects;
 				while (o & 0x8000) {
 					uint16 o2 = o;
-					LoLMonsterInPlay *m = &_monsters[o & 0x7fff];
+					LoLMonster *m = &_monsters[o & 0x7fff];
 					o = findObject(o)->nextAssignedObject;
 					int nX = 0;
 					int nY = 0;
@@ -2910,7 +2910,7 @@ int LoLEngine::processMagicVaelansCube() {
 
 	uint16 o = _levelBlockProperties[bl].assignedObjects;
 	while (o & 0x8000) {
-		LoLMonsterInPlay *m = &_monsters[o & 0x7fff];
+		LoLMonster *m = &_monsters[o & 0x7fff];
 		if (m->properties->flags & 0x1000) {
 			inflictDamage(o, 100, 0xffff, 0, 0x80);
 			v = 1;
@@ -3390,7 +3390,7 @@ int LoLEngine::calcInflictableDamage(int16 attacker, int16 target, int hitType)
 }
 
 int LoLEngine::inflictDamage(uint16 target, int damage, uint16 attacker, int skill, int flags) {
-	LoLMonsterInPlay *m = 0;
+	LoLMonster *m = 0;
 	LoLCharacter *c = 0;
 
 	if (target & 0x8000) {
@@ -3607,7 +3607,7 @@ void LoLEngine::checkForPartyDeath() {
 	}
 }
 
-void LoLEngine::applyMonsterAttackSkill(LoLMonsterInPlay *monster, int16 target, int16 damage) {
+void LoLEngine::applyMonsterAttackSkill(LoLMonster *monster, int16 target, int16 damage) {
 	if (rollDice(1, 100) > monster->properties->attackSkillChance)
 		return;
 
@@ -3677,7 +3677,7 @@ void LoLEngine::applyMonsterAttackSkill(LoLMonsterInPlay *monster, int16 target,
 	}
 }
 
-void LoLEngine::applyMonsterDefenseSkill(LoLMonsterInPlay *monster, int16 attacker, int flags, int skill, int damage) {
+void LoLEngine::applyMonsterDefenseSkill(LoLMonster *monster, int16 attacker, int flags, int skill, int damage) {
 	if (rollDice(1, 100) > monster->properties->defenseSkillChance)
 		return;
 
@@ -3936,7 +3936,7 @@ uint16 LoLEngine::getNearestMonsterFromCharacterForBlock(uint16 block, int charN
 	int o = _levelBlockProperties[block].assignedObjects;
 
 	while (o & 0x8000) {
-		LoLMonsterInPlay *m = &_monsters[o & 0x7fff];
+		LoLMonster *m = &_monsters[o & 0x7fff];
 		if (m->mode >= 13) {
 			o = m->nextAssignedObject;
 			continue;
diff --git a/engines/kyra/lol.h b/engines/kyra/lol.h
index e44857ec2b..bb8f24eb66 100644
--- a/engines/kyra/lol.h
+++ b/engines/kyra/lol.h
@@ -108,18 +108,21 @@ struct LoLMonsterProperty {
 	uint8 sounds[3];
 };
 
-struct LoLMonsterInPlay {
+struct LoLObject {
 	uint16 nextAssignedObject;
 	uint16 nextDrawObject;
 	uint8 flyingHeight;
 	uint16 block;
 	uint16 x;
 	uint16 y;
+};
+
+struct LoLMonster : public LoLObject {
+	uint8 destDirection;
 	int8 shiftStep;
 	uint16 destX;
 	uint16 destY;
 
-	uint8 destDirection;
 	int8 hitOffsX;
 	int8 hitOffsY;
 	uint8 currentSubFrame;
@@ -141,13 +144,7 @@ struct LoLMonsterInPlay {
 	uint8 equipmentShapes[4];
 };
 
-struct ItemInPlay {
-	uint16 nextAssignedObject;
-	uint16 nextDrawObject;
-	uint8 flyingHeight;
-	uint16 block;
-	uint16 x;
-	uint16 y;
+struct LoLItem : public LoLObject {
 	int8 level;
 	uint16 itemPropertyIndex;
 	uint16 shpCurFrame_flg;
@@ -906,7 +903,7 @@ private:
 	void loadLevel(int index);
 	void addLevelItems();
 	void loadLevelWallData(int fileIndex, bool mapShapes);
-	void assignBlockObject(LevelBlockProperty *l, uint16 item);
+	void assignBlockItem(LevelBlockProperty *l, uint16 item);
 	int assignLevelDecorationShapes(int index);
 	uint8 *getLevelDecorationShapes(int index);
 	void releaseDecorations(int first = 0, int num = 400);
@@ -1028,6 +1025,13 @@ private:
 	const int16 *_dscDoorMonsterX;
 	const int16 *_dscDoorMonsterY;
 
+	// objects (item/monster common)
+	LoLObject *findObject(uint16 index);
+	int calcObjectPosition(LoLObject *obj, uint16 direction);
+	void removeAssignedObjectFromBlock(LevelBlockProperty *l, uint16 id);
+	void removeDrawObjectFromBlock(LevelBlockProperty *l, uint16 id);
+	void assignObjectToBlock(uint16 *assignedBlockObjects, uint16 id);
+
 	// items
 	void giveCredits(int credits, int redraw);
 	void takeCredits(int credits, int redraw);
@@ -1036,7 +1040,6 @@ private:
 	bool addItemToInventory(Item itemIndex);
 	bool isItemMoveable(Item itemIndex);
 	void deleteItem(Item itemIndex);
-	ItemInPlay *findObject(uint16 index);
 	void runItemScript(int charNum, Item item, int flags, int next, int reg4);
 	void setHandItem(Item itemIndex);
 	bool itemEquipped(int charNum, uint16 itemType);
@@ -1057,7 +1060,7 @@ private:
 	uint8 _moneyColumnHeight[5];
 	uint16 _credits;
 
-	ItemInPlay *_itemsInPlay;
+	LoLItem *_itemsInPlay;
 	ItemProperty *_itemProperties;
 
 	Item _itemInHand;
@@ -1084,16 +1087,13 @@ private:
 	void loadMonsterShapes(const char *file, int monsterIndex, int b);
 	void releaseMonsterShapes(int monsterIndex);
 	int deleteMonstersFromBlock(int block);
-	void setMonsterMode(LoLMonsterInPlay *monster, int mode);
-	bool updateMonsterAdjustBlocks(LoLMonsterInPlay *monster);
-	void placeMonster(LoLMonsterInPlay *monster, uint16 x, uint16 y);
+	void setMonsterMode(LoLMonster *monster, int mode);
+	bool updateMonsterAdjustBlocks(LoLMonster *monster);
+	void placeMonster(LoLMonster *monster, uint16 x, uint16 y);
 	int calcMonsterDirection(uint16 x1, uint16 y1, uint16 x2, uint16 y2);
-	void setMonsterDirection(LoLMonsterInPlay *monster, int dir);
-	void monsterDropItems(LoLMonsterInPlay *monster);
-	void removeAssignedObjectFromBlock(LevelBlockProperty *l, uint16 id);
-	void removeDrawObjectFromBlock(LevelBlockProperty *l, uint16 id);
-	void assignMonsterToBlock(uint16 *assignedBlockObjects, uint16 id);
-	void giveItemToMonster(LoLMonsterInPlay *monster, Item item);
+	void setMonsterDirection(LoLMonster *monster, int dir);
+	void monsterDropItems(LoLMonster *monster);
+	void giveItemToMonster(LoLMonster *monster, Item item);
 	int checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 objectWidth, uint16 testFlag, uint16 wallFlag);
 	int checkBlockForWallsAndSufficientSpace(int block, int x, int y, int objectWidth, int testFlag, int wallFlag);
 	int calcMonsterSkillLevel(int id, int a);
@@ -1104,30 +1104,29 @@ private:
 
 	void drawBlockObjects(int blockArrayIndex);
 	void drawMonster(uint16 id);
-	int getMonsterCurFrame(LoLMonsterInPlay *m, uint16 dirFlags);
+	int getMonsterCurFrame(LoLMonster *m, uint16 dirFlags);
 	void reassignDrawObjects(uint16 direction, uint16 itemIndex, LevelBlockProperty *l, bool flag);
 	void redrawSceneItem();
-	int calcItemMonsterPosition(ItemInPlay *i, uint16 direction);
 	void calcSpriteRelPosition(uint16 x1, uint16 y1, int &x2, int &y2, uint16 direction);
 	void drawDoor(uint8 *shape, uint8 *doorPalette, int index, int unk2, int w, int h, int flags);
 	void drawDoorOrMonsterEquipment(uint8 *shape, uint8 *objectPalette, int x, int y, int flags, const uint8 *brightnessOverlay);
 	uint8 *drawItemOrMonster(uint8 *shape, uint8 *monsterPalette, int x, int y, int fineX, int fineY, int flags, int tblValue, bool vflip);
 	int calcDrawingLayerParameters(int srcX, int srcY, int &x2, int &y2, uint16 &w, uint16 &h, uint8 *shape, int vflip);
 
-	void updateMonster(LoLMonsterInPlay *monster);
-	void moveMonster(LoLMonsterInPlay *monster);
-	void walkMonster(LoLMonsterInPlay *monster);
-	bool chasePartyWithDistanceAttacks(LoLMonsterInPlay *monster);
-	void chasePartyWithCloseAttacks(LoLMonsterInPlay *monster);
-	int walkMonsterCalcNextStep(LoLMonsterInPlay *monster);
+	void updateMonster(LoLMonster *monster);
+	void moveMonster(LoLMonster *monster);
+	void walkMonster(LoLMonster *monster);
+	bool chasePartyWithDistanceAttacks(LoLMonster *monster);
+	void chasePartyWithCloseAttacks(LoLMonster *monster);
+	int walkMonsterCalcNextStep(LoLMonster *monster);
 	int checkForPossibleDistanceAttack(uint16 monsterBlock, int direction, int distance, uint16 curBlock);
-	int walkMonsterCheckDest(int x, int y, LoLMonsterInPlay *monster, int unk);
+	int walkMonsterCheckDest(int x, int y, LoLMonster *monster, int unk);
 	void getNextStepCoords(int16 monsterX, int16 monsterY, int &newX, int &newY, uint16 direction);
-	void rearrangeAttackingMonster(LoLMonsterInPlay *monster);
-	void moveStrayingMonster(LoLMonsterInPlay *monster);
-	void killMonster(LoLMonsterInPlay *monster);
+	void rearrangeAttackingMonster(LoLMonster *monster);
+	void moveStrayingMonster(LoLMonster *monster);
+	void killMonster(LoLMonster *monster);
 
-	LoLMonsterInPlay *_monsters;
+	LoLMonster *_monsters;
 	LoLMonsterProperty *_monsterProperties;
 	uint8 **_monsterDecorationShapes;
 	uint8 _monsterAnimType[3];
@@ -1241,8 +1240,8 @@ private:
 	int calcInflictableDamagePerItem(int16 attacker, int16 target, uint16 itemMight, int index, int hitType);
 	void checkForPartyDeath();
 
-	void applyMonsterAttackSkill(LoLMonsterInPlay *monster, int16 target, int16 damage);
-	void applyMonsterDefenseSkill(LoLMonsterInPlay *monster, int16 attacker, int flags, int skill, int damage);
+	void applyMonsterAttackSkill(LoLMonster *monster, int16 target, int16 damage);
+	void applyMonsterDefenseSkill(LoLMonster *monster, int16 attacker, int flags, int skill, int damage);
 	int removeCharacterItem(int charNum, int itemFlags);
 	int paralyzePoisonCharacter(int charNum, int typeFlag, int immunityFlags, int hitChance, int redraw);
 	void paralyzePoisonAllCharacters(int typeFlag, int immunityFlags, int hitChance);
diff --git a/engines/kyra/saveload_lol.cpp b/engines/kyra/saveload_lol.cpp
index 3edc4759ca..7736d45540 100644
--- a/engines/kyra/saveload_lol.cpp
+++ b/engines/kyra/saveload_lol.cpp
@@ -188,7 +188,7 @@ Common::Error LoLEngine::loadGameState(int slot) {
 	}
 
 	for (int i = 0; i < 400; i++) {
-		ItemInPlay *t = &_itemsInPlay[i];
+		LoLItem *t = &_itemsInPlay[i];
 		t->nextAssignedObject = in.readUint16();
 		t->nextDrawObject = in.readUint16();
 		t->flyingHeight = in.readByte();
@@ -229,12 +229,12 @@ Common::Error LoLEngine::loadGameState(int slot) {
 		_lvlTempData[i] = new LevelTempData;
 		_lvlTempData[i]->wallsXorData = new uint8[4096];
 		_lvlTempData[i]->flags = new uint16[1024];
-		LoLMonsterInPlay *lm = new LoLMonsterInPlay[30];
+		LoLMonster *lm = new LoLMonster[30];
 		_lvlTempData[i]->monsters = lm;
 		FlyingObject *lf = new FlyingObject[_numFlyingObjects];
 		_lvlTempData[i]->flyingObjects = lf;
 		LevelTempData *l = _lvlTempData[i];
-		
+
 		uint32 next = in.pos() + 2500;
 
 		if (header.originalSave) {
@@ -254,7 +254,7 @@ Common::Error LoLEngine::loadGameState(int slot) {
 			l->monsterDifficulty =  in.readUint16();
 
 		for (int ii = 0; ii < 30; ii++) {
-			LoLMonsterInPlay *m = &lm[ii];
+			LoLMonster *m = &lm[ii];
 			m->nextAssignedObject = in.readUint16();
 			m->nextDrawObject = in.readUint16();
 			m->flyingHeight = in.readByte();
@@ -381,7 +381,7 @@ Common::Error LoLEngine::saveGameStateIntern(int slot, const char *saveName, con
 		for (int ii = 0; ii < 5; ii++)
 			out->writeByte(c->characterUpdateDelay[ii]);
 	}
-	
+
 	out->writeUint16BE(_currentBlock);
 	out->writeUint16BE(_partyPosX);
 	out->writeUint16BE(_partyPosY);
@@ -416,7 +416,7 @@ Common::Error LoLEngine::saveGameStateIntern(int slot, const char *saveName, con
 	resetItems(0);
 
 	for (int i = 0; i < 400; i++) {
-		ItemInPlay *t = &_itemsInPlay[i];
+		LoLItem *t = &_itemsInPlay[i];
 		out->writeUint16BE(t->nextAssignedObject);
 		out->writeUint16BE(t->nextDrawObject);
 		out->writeByte(t->flyingHeight);
@@ -439,11 +439,11 @@ Common::Error LoLEngine::saveGameStateIntern(int slot, const char *saveName, con
 		for (int ii = 0; ii < 1024; ii++)
 			out->writeByte(l->flags[ii] & 0xff);
 
-		LoLMonsterInPlay *lm = (LoLMonsterInPlay*)_lvlTempData[i]->monsters;
+		LoLMonster *lm = (LoLMonster*)_lvlTempData[i]->monsters;
 		FlyingObject *lf = (FlyingObject*)_lvlTempData[i]->flyingObjects;
 
 		for (int ii = 0; ii < 30; ii++) {
-			LoLMonsterInPlay *m = &lm[ii];
+			LoLMonster *m = &lm[ii];
 			out->writeUint16BE(m->nextAssignedObject);
 			out->writeUint16BE(m->nextDrawObject);
 			out->writeByte(m->flyingHeight);
@@ -537,8 +537,8 @@ void LoLEngine::restoreBlockTempData(int levelIndex) {
 }
 
 void *LoLEngine::generateMonsterTempData(LevelTempData *tmp) {
-	LoLMonsterInPlay *m = new LoLMonsterInPlay[30];
-	memcpy(m, _monsters,  sizeof(LoLMonsterInPlay) * 30);
+	LoLMonster *m = new LoLMonster[30];
+	memcpy(m, _monsters,  sizeof(LoLMonster) * 30);
 	tmp->monsterDifficulty = _monsterDifficulty;
 	return m;
 }
@@ -562,7 +562,7 @@ void LoLEngine::restoreTempDataAdjustMonsterStrength(int index) {
 }
 
 void LoLEngine::restoreMonsterTempData(LevelTempData *tmp) {
-	memcpy(_monsters, tmp->monsters, sizeof(LoLMonsterInPlay) * 30);
+	memcpy(_monsters, tmp->monsters, sizeof(LoLMonster) * 30);
 
 	for (int i = 0; i < 30; i++) {
 		if (_monsters[i].block) {
@@ -574,7 +574,7 @@ void LoLEngine::restoreMonsterTempData(LevelTempData *tmp) {
 }
 
 void LoLEngine::releaseMonsterTempData(LevelTempData *tmp) {
-	LoLMonsterInPlay *p = (LoLMonsterInPlay*)tmp->monsters;
+	LoLMonster *p = (LoLMonster*)tmp->monsters;
 	delete[] p;
 }
 
diff --git a/engines/kyra/scene_lol.cpp b/engines/kyra/scene_lol.cpp
index 8610d20d02..fea9b27bd1 100644
--- a/engines/kyra/scene_lol.cpp
+++ b/engines/kyra/scene_lol.cpp
@@ -105,16 +105,16 @@ void LoLEngine::addLevelItems() {
 		if (_itemsInPlay[i].level != _currentLevel)
 			continue;
 
-		assignBlockObject(&_levelBlockProperties[_itemsInPlay[i].block], i);
+		assignBlockItem(&_levelBlockProperties[_itemsInPlay[i].block], i);
 
 		_levelBlockProperties[_itemsInPlay[i].block].direction = 5;
 		_itemsInPlay[i].nextDrawObject = 0;
 	}
 }
 
-void LoLEngine::assignBlockObject(LevelBlockProperty *l, uint16 item) {
+void LoLEngine::assignBlockItem(LevelBlockProperty *l, uint16 item) {
 	uint16 *index = &l->assignedObjects;
-	ItemInPlay *tmp = 0;
+	LoLObject *tmp = 0;
 
 	while (*index & 0x8000) {
 		tmp = findObject(*index);
@@ -122,7 +122,7 @@ void LoLEngine::assignBlockObject(LevelBlockProperty *l, uint16 item) {
 	}
 
 	tmp = findObject(item);
-	tmp->level = -1;
+	((LoLItem*)tmp)->level = -1;
 
 	uint16 ix = *index;
 
@@ -474,17 +474,17 @@ void LoLEngine::resetItems(int flag) {
 	for (int i = 0; i < 1024; i++) {
 		_levelBlockProperties[i].direction = 5;
 		uint16 id = _levelBlockProperties[i].assignedObjects;
-		LoLMonsterInPlay *r = 0;
+		LoLObject *r = 0;
 
 		while (id & 0x8000) {
-			r = (LoLMonsterInPlay *)findObject(id);
+			r = findObject(id);
 			id = r->nextAssignedObject;
 		}
 
 		if (!id)
 			continue;
 
-		ItemInPlay *it = &_itemsInPlay[id];
+		LoLItem *it = &_itemsInPlay[id];
 		it->level = _currentLevel;
 		it->block = i;
 		if (r)
@@ -496,7 +496,7 @@ void LoLEngine::resetItems(int flag) {
 }
 
 void LoLEngine::disableMonsters() {
-	memset(_monsters, 0, 30 * sizeof(LoLMonsterInPlay));
+	memset(_monsters, 0, 30 * sizeof(LoLMonster));
 	for (int i = 0; i < 30; i++)
 		_monsters[i].mode = 0x10;
 }
diff --git a/engines/kyra/script_lol.cpp b/engines/kyra/script_lol.cpp
index 342014bfed..f81961a08b 100644
--- a/engines/kyra/script_lol.cpp
+++ b/engines/kyra/script_lol.cpp
@@ -286,7 +286,7 @@ int LoLEngine::olol_getItemPara(EMCState *script) {
 	if (!stackPos(0))
 		return 0;
 
-	ItemInPlay *i = &_itemsInPlay[stackPos(0)];
+	LoLItem *i = &_itemsInPlay[stackPos(0)];
 	ItemProperty *p = &_itemProperties[i->itemPropertyIndex];
 
 	switch (stackPos(1)) {
@@ -811,11 +811,11 @@ int LoLEngine::olol_initMonster(EMCState *script) {
 		return -1;
 
 	for (uint8 i = 0; i < 30; i++) {
-		LoLMonsterInPlay *l = &_monsters[i];
+		LoLMonster *l = &_monsters[i];
 		if (l->hitPoints || l->mode == 13)
 			continue;
 
-		memset(l, 0, sizeof(LoLMonsterInPlay));
+		memset(l, 0, sizeof(LoLMonster));
 		l->id = i;
 		l->x = x;
 		l->y = y;
@@ -998,7 +998,7 @@ int LoLEngine::olol_inflictDamage(EMCState *script) {
 
 int LoLEngine::olol_moveMonster(EMCState *script) {
 	debugC(3, kDebugLevelScriptFuncs, "LoLEngine::olol_moveMonster(%p) (%d, %d, %d, %d, %d)", (const void *)script, stackPos(0), stackPos(1), stackPos(2), stackPos(3), stackPos(4));
-	LoLMonsterInPlay *m = &_monsters[stackPos(0)];
+	LoLMonster *m = &_monsters[stackPos(0)];
 
 	if (m->mode == 1 || m->mode == 2) {
 		calcCoordinates(m->destX, m->destY, stackPos(1), stackPos(2), stackPos(3));
@@ -1193,7 +1193,7 @@ int LoLEngine::olol_changeMonsterStat(EMCState *script) {
 	if (stackPos(0) == -1)
 		return 1;
 
-	LoLMonsterInPlay *m = &_monsters[stackPos(0) & 0x7fff];
+	LoLMonster *m = &_monsters[stackPos(0) & 0x7fff];
 
 	int16 d = stackPos(2);
 	uint16 x = 0;
@@ -1234,7 +1234,7 @@ int LoLEngine::olol_getMonsterStat(EMCState *script) {
 	if (stackPos(0) == -1)
 		return 0;
 
-	LoLMonsterInPlay *m = &_monsters[stackPos(0) & 0x7fff];
+	LoLMonster *m = &_monsters[stackPos(0) & 0x7fff];
 	int d = stackPos(1);
 
 	switch (d) {
@@ -1547,7 +1547,7 @@ int LoLEngine::olol_moveBlockObjects(EMCState *script) {
 
 			l &= 0x7fff;
 
-			LoLMonsterInPlay *m = &_monsters[l];
+			LoLMonster *m = &_monsters[l];
 
 			setMonsterMode(m, 14);
 			checkSceneUpdateNeed(m->block);
@@ -1618,7 +1618,7 @@ int LoLEngine::olol_dummy1(EMCState *script) {
 
 int LoLEngine::olol_suspendMonster(EMCState *script) {
 	debugC(3, kDebugLevelScriptFuncs, "LoLEngine::olol_suspendMonster(%p) (%d)", (const void *)script, stackPos(0));
-	LoLMonsterInPlay *m = &_monsters[stackPos(0) & 0x7fff];
+	LoLMonster *m = &_monsters[stackPos(0) & 0x7fff];
 	setMonsterMode(m, 14);
 	checkSceneUpdateNeed(m->block);
 	placeMonster(m, 0, 0);
@@ -2035,7 +2035,7 @@ int LoLEngine::olol_changeItemTypeOrFlag(EMCState *script) {
 	if (stackPos(0) < 1)
 		return 0;
 
-	ItemInPlay *i = &_itemsInPlay[stackPos(0)];
+	LoLItem *i = &_itemsInPlay[stackPos(0)];
 	int16 val = stackPos(2);
 
 	if (stackPos(1) == 4)
diff --git a/engines/kyra/sprites_lol.cpp b/engines/kyra/sprites_lol.cpp
index 06d781328e..2fe896b085 100644
--- a/engines/kyra/sprites_lol.cpp
+++ b/engines/kyra/sprites_lol.cpp
@@ -159,7 +159,7 @@ int LoLEngine::deleteMonstersFromBlock(int block) {
 			continue;
 		}
 
-		LoLMonsterInPlay *m = &_monsters[i & 0x7fff];
+		LoLMonster *m = &_monsters[i & 0x7fff];
 
 		cnt++;
 		setMonsterMode(m, 14);
@@ -173,7 +173,7 @@ int LoLEngine::deleteMonstersFromBlock(int block) {
 	return cnt;
 }
 
-void LoLEngine::setMonsterMode(LoLMonsterInPlay *monster, int mode) {
+void LoLEngine::setMonsterMode(LoLMonster *monster, int mode) {
 	if (monster->mode == 13 && mode != 14)
 		return;
 
@@ -210,7 +210,7 @@ void LoLEngine::setMonsterMode(LoLMonsterInPlay *monster, int mode) {
 	}
 }
 
-bool LoLEngine::updateMonsterAdjustBlocks(LoLMonsterInPlay *monster) {
+bool LoLEngine::updateMonsterAdjustBlocks(LoLMonster *monster) {
 	static const uint8 dims[] = { 0, 13, 9, 3 };
 	if (monster->properties->flags & 8)
 		return true;
@@ -251,7 +251,7 @@ bool LoLEngine::updateMonsterAdjustBlocks(LoLMonsterInPlay *monster) {
 	return (fx1 >= fx2) ? false : true;
 }
 
-void LoLEngine::placeMonster(LoLMonsterInPlay *monster, uint16 x, uint16 y) {
+void LoLEngine::placeMonster(LoLMonster *monster, uint16 x, uint16 y) {
 	bool cont = true;
 	int t = monster->block;
 	if (monster->block) {
@@ -273,7 +273,7 @@ void LoLEngine::placeMonster(LoLMonsterInPlay *monster, uint16 x, uint16 y) {
 	if (monster->block == 0)
 		return;
 
-	assignMonsterToBlock(&_levelBlockProperties[monster->block].assignedObjects, ((uint16)monster->id) | 0x8000);
+	assignObjectToBlock(&_levelBlockProperties[monster->block].assignedObjects, ((uint16)monster->id) | 0x8000);
 	_levelBlockProperties[monster->block].direction = 5;
 	checkSceneUpdateNeed(monster->block);
 
@@ -329,7 +329,7 @@ int LoLEngine::calcMonsterDirection(uint16 x1, uint16 y1, uint16 x2, uint16 y2)
 	return retVal[r];
 }
 
-void LoLEngine::setMonsterDirection(LoLMonsterInPlay *monster, int dir) {
+void LoLEngine::setMonsterDirection(LoLMonster *monster, int dir) {
 	monster->direction = dir;
 
 	if (!(dir & 1) || ((monster->direction - (monster->facing << 1)) >= 2))
@@ -338,7 +338,7 @@ void LoLEngine::setMonsterDirection(LoLMonsterInPlay *monster, int dir) {
 	checkSceneUpdateNeed(monster->block);
 }
 
-void LoLEngine::monsterDropItems(LoLMonsterInPlay *monster) {
+void LoLEngine::monsterDropItems(LoLMonster *monster) {
 	uint16 a = monster->assignedItems;
 	while (a) {
 		uint16 b = a;
@@ -347,46 +347,6 @@ void LoLEngine::monsterDropItems(LoLMonsterInPlay *monster) {
 	}
 }
 
-void LoLEngine::removeAssignedObjectFromBlock(LevelBlockProperty *l, uint16 id) {
-	uint16 *blockItemIndex = &l->assignedObjects;
-	ItemInPlay *i = 0;
-
-	while (*blockItemIndex) {
-		if (*blockItemIndex == id) {
-			i = findObject(id);
-			*blockItemIndex = i->nextAssignedObject;
-			i->nextAssignedObject = 0;
-			return;
-		}
-
-		i = findObject(*blockItemIndex);
-		blockItemIndex = &i->nextAssignedObject;
-	}
-}
-
-void LoLEngine::removeDrawObjectFromBlock(LevelBlockProperty *l, uint16 id) {
-	uint16 *blockItemIndex = &l->drawObjects;
-	ItemInPlay *i = 0;
-
-	while (*blockItemIndex) {
-		if (*blockItemIndex == id) {
-			i = findObject(id);
-			*blockItemIndex = i->nextDrawObject;
-			i->nextDrawObject = 0;
-			return;
-		}
-
-		i = findObject(*blockItemIndex);
-		blockItemIndex = &i->nextDrawObject;
-	}
-}
-
-void LoLEngine::assignMonsterToBlock(uint16 *assignedBlockObjects, uint16 id) {
-	ItemInPlay *t = findObject(id);
-	t->nextAssignedObject = *assignedBlockObjects;
-	*assignedBlockObjects = id;
-}
-
 int LoLEngine::checkBlockBeforeObjectPlacement(uint16 x, uint16 y, uint16 objectWidth, uint16 testFlag, uint16 wallFlag) {
 	_objectLastDirection = 0;
 	uint16 x2 = 0;
@@ -503,7 +463,7 @@ int LoLEngine::checkBlockForWallsAndSufficientSpace(int block, int x, int y, int
 
 	uint16 b = _levelBlockProperties[block].assignedObjects;
 	while (b & 0x8000) {
-		LoLMonsterInPlay *monster = &_monsters[b & 0x7fff];
+		LoLMonster *monster = &_monsters[b & 0x7fff];
 
 		if (monster->mode < 13) {
 			int r = checkDrawObjectSpace(x, y, monster->x, monster->y);
@@ -554,7 +514,7 @@ int LoLEngine::checkBlockOccupiedByParty(int x, int y, int testFlag) {
 void LoLEngine::drawBlockObjects(int blockArrayIndex) {
 	LevelBlockProperty *l = _visibleBlocks[blockArrayIndex];
 	uint16 s = l->assignedObjects;
-	ItemInPlay *i = findObject(s);
+	LoLObject *obj = findObject(s);
 
 	if (l->direction != _currentDirection) {
 		l->drawObjects = 0;
@@ -562,8 +522,8 @@ void LoLEngine::drawBlockObjects(int blockArrayIndex) {
 
 		while (s) {
 			reassignDrawObjects(_currentDirection, s, l, true);
-			i = findObject(s);
-			s = i->nextAssignedObject;
+			obj = findObject(s);
+			s = obj->nextAssignedObject;
 		}
 	}
 
@@ -575,7 +535,7 @@ void LoLEngine::drawBlockObjects(int blockArrayIndex) {
 				drawMonster(s);
 			s = _monsters[s].nextDrawObject;
 		} else {
-			i = &_itemsInPlay[s];
+			LoLItem *i = &_itemsInPlay[s];
 			int fx = _sceneItemOffs[s & 7] << 1;
 			int fy = _sceneItemOffs[(s >> 1) & 7] + 5;
 
@@ -645,7 +605,7 @@ void LoLEngine::drawBlockObjects(int blockArrayIndex) {
 }
 
 void LoLEngine::drawMonster(uint16 id) {
-	LoLMonsterInPlay *m = &_monsters[id];
+	LoLMonster *m = &_monsters[id];
 	int16 flg = _monsterDirFlags[(_currentDirection << 2) + m->facing];
 	int curFrm = getMonsterCurFrame(m, flg & 0xffef);
 	uint8 *shp = 0;
@@ -721,7 +681,7 @@ void LoLEngine::drawMonster(uint16 id) {
 	delete[] tbl;
 }
 
-int LoLEngine::getMonsterCurFrame(LoLMonsterInPlay *m, uint16 dirFlags) {
+int LoLEngine::getMonsterCurFrame(LoLMonster *m, uint16 dirFlags) {
 	int tmp = 0;
 	switch (_monsterAnimType[m->properties->shapeIndex]) {
 	case 0:
@@ -796,19 +756,19 @@ void LoLEngine::reassignDrawObjects(uint16 direction, uint16 itemIndex, LevelBlo
 		return;
 	}
 
-	ItemInPlay *newObject = findObject(itemIndex);
-	int r = calcItemMonsterPosition(newObject, direction);
+	LoLObject *newObject = findObject(itemIndex);
+	int r = calcObjectPosition(newObject, direction);
 	uint16 *b = &l->drawObjects;
-	ItemInPlay *lastObject = 0;
+	LoLObject *lastObject = 0;
 
 	while (*b) {
 		lastObject = findObject(*b);
 
 		if (flag) {
-			if (calcItemMonsterPosition(lastObject, direction) >= r)
+			if (calcObjectPosition(lastObject, direction) >= r)
 				break;
 		} else {
-			if (calcItemMonsterPosition(lastObject, direction) > r)
+			if (calcObjectPosition(lastObject, direction) > r)
 				break;
 		}
 
@@ -838,7 +798,7 @@ void LoLEngine::redrawSceneItem() {
 			if (s & 0x8000) {
 				s = _monsters[s & 0x7fff].nextDrawObject;
 			} else {
-				ItemInPlay *item = &_itemsInPlay[s];
+				LoLItem *item = &_itemsInPlay[s];
 
 				if (item->shpCurFrame_flg & 0x4000) {
 					if (checkDrawObjectSpace(item->x, item->y, _partyPosX, _partyPosY) < 320) {
@@ -862,21 +822,6 @@ void LoLEngine::redrawSceneItem() {
 	}
 }
 
-int LoLEngine::calcItemMonsterPosition(ItemInPlay *i, uint16 direction) {
-	int x = i->x;
-	int y = i->y;
-
-	calcSpriteRelPosition(_partyPosX, _partyPosY, x, y, direction);
-
-	if (y < 0)
-		y = 0;
-
-	int res = (i->flyingHeight << 12);
-	res |= (4095 - y);
-
-	return res;
-}
-
 void LoLEngine::calcSpriteRelPosition(uint16 x1, uint16 y1, int &x2, int &y2, uint16 direction) {
 	int a = x2 - x1;
 	int b = y1 - y2;
@@ -1080,7 +1025,7 @@ int LoLEngine::calcDrawingLayerParameters(int x1, int y1, int &x2, int &y2, uint
 	return l;
 }
 
-void LoLEngine::updateMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::updateMonster(LoLMonster *monster) {
 	static const uint8 flags[] = { 1, 0, 1, 3, 3, 0, 0, 3, 4, 1, 0, 0, 4, 0, 0 };
 	if (monster->mode > 14)
 		return;
@@ -1228,7 +1173,7 @@ void LoLEngine::updateMonster(LoLMonsterInPlay *monster) {
 	monster->flags &= 0xffef;
 }
 
-void LoLEngine::moveMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::moveMonster(LoLMonster *monster) {
 	static const int8 turnPos[] = { 0, 2, 6, 6, 0, 2, 4, 4, 2, 2, 4, 6, 0, 0, 4, 6, 0 };
 	if (monster->x != monster->destX || monster->y != monster->destY) {
 		walkMonster(monster);
@@ -1238,7 +1183,7 @@ void LoLEngine::moveMonster(LoLMonsterInPlay *monster) {
 	}
 }
 
-void LoLEngine::walkMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::walkMonster(LoLMonster *monster) {
 	if (monster->properties->flags & 0x400)
 		return;
 
@@ -1269,7 +1214,7 @@ void LoLEngine::walkMonster(LoLMonsterInPlay *monster) {
 	placeMonster(monster, fx, fy);
 }
 
-bool LoLEngine::chasePartyWithDistanceAttacks(LoLMonsterInPlay *monster) {
+bool LoLEngine::chasePartyWithDistanceAttacks(LoLMonster *monster) {
 	if (!monster->numDistAttacks)
 		return false;
 
@@ -1347,7 +1292,7 @@ bool LoLEngine::chasePartyWithDistanceAttacks(LoLMonsterInPlay *monster) {
 	return true;
 }
 
-void LoLEngine::chasePartyWithCloseAttacks(LoLMonsterInPlay *monster) {
+void LoLEngine::chasePartyWithCloseAttacks(LoLMonster *monster) {
 	if (!(monster->flags & 8)) {
 		int dir = calcMonsterDirection(monster->x & 0xff00, monster->y & 0xff00, _partyPosX & 0xff00, _partyPosY & 0xff00);
 		int x1 = _partyPosX;
@@ -1389,7 +1334,7 @@ void LoLEngine::chasePartyWithCloseAttacks(LoLMonsterInPlay *monster) {
 	}
 }
 
-int LoLEngine::walkMonsterCalcNextStep(LoLMonsterInPlay *monster) {
+int LoLEngine::walkMonsterCalcNextStep(LoLMonster *monster) {
 	static const int8 walkMonsterTable1[] = { 7, -6, 5, -4, 3, -2, 1, 0 };
 	static const int8 walkMonsterTable2[] = { -7, 6, -5, 4, -3, 2, -1, 0 };
 
@@ -1479,7 +1424,7 @@ int LoLEngine::checkForPossibleDistanceAttack(uint16 monsterBlock, int direction
 	return 5;
 }
 
-int LoLEngine::walkMonsterCheckDest(int x, int y, LoLMonsterInPlay *monster, int unk) {
+int LoLEngine::walkMonsterCheckDest(int x, int y, LoLMonster *monster, int unk) {
 	uint8 m = monster->mode;
 	monster->mode = 15;
 
@@ -1497,7 +1442,7 @@ void LoLEngine::getNextStepCoords(int16 srcX, int16 srcY, int &newX, int &newY,
 	newY = (srcY + shiftTableY[direction]) & 0x1fff;
 }
 
-void LoLEngine::rearrangeAttackingMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::rearrangeAttackingMonster(LoLMonster *monster) {
 	int t = (monster->direction >> 1);
 	uint16 mx = monster->x;
 	uint16 my = monster->y;
@@ -1564,7 +1509,7 @@ void LoLEngine::rearrangeAttackingMonster(LoLMonsterInPlay *monster) {
 	placeMonster(monster, mx, my);
 }
 
-void LoLEngine::moveStrayingMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::moveStrayingMonster(LoLMonster *monster) {
 	int x = 0;
 	int y = 0;
 
@@ -1601,7 +1546,7 @@ void LoLEngine::moveStrayingMonster(LoLMonsterInPlay *monster) {
 	}
 }
 
-void LoLEngine::killMonster(LoLMonsterInPlay *monster) {
+void LoLEngine::killMonster(LoLMonster *monster) {
 	setMonsterMode(monster, 14);
 	monsterDropItems(monster);
 	checkSceneUpdateNeed(monster->block);