finish objects.cc

7 files changed, 521 insertions, 29 deletions

diff --git a/src/enums.hh b/src/enums.hh
index ea0d87a..f7aee3a 100644
--- a/src/enums.hh
+++ b/src/enums.hh
@@ -324,6 +324,36 @@ enum Skill: int {
 	SKILL_SOUL				= 22,
 };
 
+enum SPECIALMEANING: int {
+	MONEY_ONE							= 1,
+	MONEY_HUNDRED						= 2,
+	MONEY_TENTHOUSAND					= 3,
+	INVENTORY_RIGHTHAND					= 10,
+	INVENTORY_LEFTHAND					= 11,
+	INVENTORY_BODY_MALE					= 12,
+	INVENTORY_BODY_FEMALE				= 13,
+	INVENTORY_CONTAINER					= 14,
+	INVENTORY_FOOD						= 15,
+	DEPOT_LOCKER						= 20,
+	DEPOT_CHEST							= 21,
+	PARCEL_NEW							= 22,
+	PARCEL_STAMPED						= 23,
+	PARCEL_LABEL						= 24,
+	LETTER_NEW							= 25,
+	LETTER_STAMPED						= 26,
+	BLOOD_SPLASH						= 30,
+	BLOOD_POOL							= 31,
+	RUNE_BLANK							= 40,
+	MAGICFIELD_FIRE_DANGEROUS			= 41,
+	MAGICFIELD_FIRE_HARMLESS			= 42,
+	MAGICFIELD_POISON_DANGEROUS			= 43,
+	MAGICFIELD_POISON_HARMLESS			= 44,
+	MAGICFIELD_ENERGY_DANGEROUS			= 45,
+	MAGICFIELD_ENERGY_HARMLESS			= 46,
+	MAGICFIELD_MAGICWALL				= 47,
+	MAGICFIELD_RUSHWOOD					= 48,
+};
+
 enum SpellShapeType: int {
 	SHAPE_ACTOR			= 0,
 	SHAPE_VICTIM		= 1,
diff --git a/src/main.cc b/src/main.cc
index e0cf156..ecdb333 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,6 +1,7 @@
 #include "common.hh"
 #include "config.hh"
 #include "map.hh"
+#include "objects.hh"
 
 #include "stubs.hh"
 
@@ -227,7 +228,7 @@ static void InitAll(void){
 		//InitStrings();
 		//InitWriter();
 		//InitReader();
-		//InitObjects();
+		InitObjects();
 		InitMap();
 		//InitInfo();
 		//InitMoveUse();
@@ -253,7 +254,7 @@ static void ExitAll(void){
 	//ExitInfo();
 	//ExitHouses();
 	ExitMap(SaveMapOn);
-	//ExitObjects();
+	ExitObjects();
 	//ExitReader();
 	//ExitWriter();
 	//ExitStrings();
diff --git a/src/map.cc b/src/map.cc
index a5b898d..34c1998 100644
--- a/src/map.cc
+++ b/src/map.cc
@@ -1830,9 +1830,7 @@ Object CreateObject(void){
 	return Object(NextObjectID);
 }
 
-// TODO(fusion): This is only used from `DeleteObject`. Should probably be an
-// internal helper.
-void DestroyObject(Object Obj){
+static void DestroyObject(Object Obj){
 	if(!Obj.exists()){
 		error("DestroyObject: Übergebenes Objekt existiert nicht.\n");
 		return;
@@ -1972,6 +1970,7 @@ void ChangeObject(Object Obj, INSTANCEATTRIBUTE Attribute, uint32 Value){
 	Obj.setAttribute(Attribute, Value);
 }
 
+// TODO(fusion): This probably belongs to `operate.cc`.
 void ChangeObject(Object Obj, ObjectType NewType, uint32 Value){
 	if(!Obj.exists()){
 		error("ChangeObject: Übergebenes Objekt existiert nicht (1, NewType=%d).\n", NewType.TypeID);
diff --git a/src/map.hh b/src/map.hh
index 3ab919d..6db6773 100644
--- a/src/map.hh
+++ b/src/map.hh
@@ -129,7 +129,6 @@ void ExitMap(bool Save);
 // NOTE(fusion): Object related functions.
 TObject *AccessObject(Object Obj);
 Object CreateObject(void);
-void DestroyObject(Object Obj);
 void DeleteObject(Object Obj);
 void ChangeObject(Object Obj, ObjectType NewType);
 void ChangeObject(Object Obj, INSTANCEATTRIBUTE Attribute, uint32 Value);
diff --git a/src/objects.cc b/src/objects.cc
index de62aca..e6903cd 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -1,8 +1,17 @@
 #include "objects.hh"
+#include "config.hh"
 #include "containers.hh"
+#include "script.hh"
+
+#include "stubs.hh"
+
+#include <fstream>
 
 static vector<TObjectType> ObjectTypes(0, 5000, 1000);
 static ObjectType SpecialObjects[49];
+static uint8 OldGroup[8192];
+static uint8 OldNumber[8192];
+static int NewType[65536];
 
 static FLAG TypeAttributeFlags[62] = {
 	BANK, 					// WAYPOINTS
@@ -90,6 +99,140 @@ static FLAG InstanceAttributeFlags[18] = {
 	WEAROUT,				// REMAININGUSES
 };
 
+static const char FlagNames[66][30] = {
+	"Bank"						// BANK
+	"Clip"						// CLIP
+	"Bottom",					// BOTTOM
+	"Top",						// TOP
+	"Container",				// CONTAINER
+	"Chest",					// CHEST
+	"Cumulative",				// CUMULATIVE
+	"UseEvent",					// USEEVENT
+	"ChangeUse",				// CHANGEUSE
+	"ForceUse",					// FORCEUSE
+	"MultiUse",					// MULTIUSE
+	"DistUse",					// DISTUSE
+	"MovementEvent",			// MOVEMENTEVENT
+	"CollisionEvent",			// COLLISIONEVENT
+	"SeparationEvent",			// SEPARATIONEVENT
+	"Key",						// KEY
+	"KeyDoor",					// KEYDOOR
+	"NameDoor",					// NAMEDOOR
+	"LevelDoor",				// LEVELDOOR
+	"QuestDoor",				// QUESTDOOR
+	"Bed",						// BED
+	"Food",						// FOOD
+	"Rune",						// RUNE
+	"Information",				// INFORMATION
+	"Text",						// TEXT
+	"Write",					// WRITE
+	"WriteOnce",				// WRITEONCE
+	"LiquidContainer",			// LIQUIDCONTAINER
+	"LiquidSource",				// LIQUIDSOURCE
+	"LiquidPool",				// LIQUIDPOOL
+	"TeleportAbsolute",			// TELEPORTABSOLUTE
+	"TeleportRelative",			// TELEPORTRELATIVE
+	"Unpass",					// UNPASS
+	"Unmove",					// UNMOVE
+	"Unthrow",					// UNTHROW
+	"Unlay",					// UNLAY
+	"Avoid",					// AVOID
+	"MagicField",				// MAGICFIELD
+	"RestrictLevel",			// RESTRICTLEVEL
+	"RestrictProfession",		// RESTRICTPROFESSION
+	"Take",						// TAKE
+	"Hang",						// HANG
+	"HookSouth",				// HOOKSOUTH
+	"HookEast",					// HOOKEAST
+	"Rotate",					// ROTATE
+	"Destroy",					// DESTROY
+	"Clothes",					// CLOTHES
+	"SkillBoost",				// SKILLBOOST
+	"Protection",				// PROTECTION
+	"Light",					// LIGHT
+	"RopeSpot",					// ROPESPOT
+	"Corpse",					// CORPSE
+	"Expire",					// EXPIRE
+	"ExpireStop",				// EXPIRESTOP
+	"WearOut",					// WEAROUT
+	"Weapon",					// WEAPON
+	"Shield",					// SHIELD
+	"Bow",						// BOW
+	"Throw",					// THROW
+	"Wand",						// WAND
+	"Ammo",						// AMMO
+	"Armor",					// ARMOR
+	"Height",					// HEIGHT
+	"Disguise",					// DISGUISE
+	"ShowDetail",				// SHOWDETAIL
+	"Special",					// SPECIALOBJECT
+};
+
+static const char TypeAttributeNames[62][30] = {
+	"Waypoints",					// WAYPOINTS
+	"Capacity",						// CAPACITY
+	"ChangeTarget",					// CHANGETARGET
+	"KeydoorTarget",				// KEYDOORTARGET
+	"NamedoorTarget",				// NAMEDOORTARGET
+	"LeveldoorTarget",				// LEVELDOORTARGET
+	"QuestdoorTarget",				// QUESTDOORTARGET
+	"Nutrition",					// NUTRITION
+	"InformationType",				// INFORMATIONTYPE
+	"FontSize",						// FONTSIZE
+	"MaxLength",					// MAXLENGTH
+	"MaxLengthOnce",				// MAXLENGTHONCE
+	"SourceLiquidType",				// SOURCELIQUIDTYPE
+	"AbsTeleportEffect",			// ABSTELEPORTEFFECT
+	"RelTeleportDisplacement",		// RELTELEPORTDISPLACEMENT
+	"RelTeleportEffect",			// RELTELEPORTEFFECT
+	"AvoidDamageTypes",				// AVOIDDAMAGETYPES
+	"MinimumLevel",					// MINIMUMLEVEL
+	"Professions",					// PROFESSIONS
+	"Weight",						// WEIGHT
+	"RotateTarget",					// ROTATETARGET
+	"DestroyTarget",				// DESTROYTARGET
+	"BodyPosition",					// BODYPOSITION
+	"SkillNumber",					// SKILLNUMBER
+	"SkillModification",			// SKILLMODIFICATION
+	"ProtectionDamageTypes",		// PROTECTIONDAMAGETYPES
+	"DamageReduction",				// DAMAGEREDUCTION
+	"Brightness",					// BRIGHTNESS
+	"LightColor",					// LIGHTCOLOR
+	"CorpseType",					// CORPSETYPE
+	"TotalExpireTime",				// TOTALEXPIRETIME
+	"ExpireTarget",					// EXPIRETARGET
+	"TotalUses",					// TOTALUSES
+	"WearoutTarget",				// WEAROUTTARGET
+	"WeaponType",					// WEAPONTYPE
+	"WeaponAttackValue",			// WEAPONATTACKVALUE
+	"WeaponDefendValue",			// WEAPONDEFENDVALUE
+	"ShieldDefendValue",			// SHIELDDEFENDVALUE
+	"BowRange",						// BOWRANGE
+	"BowAmmoType",					// BOWAMMOTYPE
+	"ThrowRange",					// THROWRANGE
+	"ThrowAttackValue",				// THROWATTACKVALUE
+	"ThrowDefendValue",				// THROWDEFENDVALUE
+	"ThrowMissile",					// THROWMISSILE
+	"ThrowSpecialEffect",			// THROWSPECIALEFFECT
+	"ThrowEffectStrength",			// THROWEFFECTSTRENGTH
+	"ThrowFragility",				// THROWFRAGILITY
+	"WandRange",					// WANDRANGE
+	"WandManaConsumption",			// WANDMANACONSUMPTION
+	"WandAttackStrength",			// WANDATTACKSTRENGTH
+	"WandAttackVariation",			// WANDATTACKVARIATION
+	"WandDamageType",				// WANDDAMAGETYPE
+	"WandMissile",					// WANDMISSILE
+	"AmmoType",						// AMMOTYPE
+	"AmmoAttackValue",				// AMMOATTACKVALUE
+	"AmmoMissile",					// AMMOMISSILE
+	"AmmoSpecialEffect",			// AMMOSPECIALEFFECT
+	"AmmoEffectStrength",			// AMMOEFFECTSTRENGTH
+	"ArmorValue",					// ARMORVALUE
+	"Elevation",					// ELEVATION
+	"DisguiseTarget",				// DISGUISETARGET
+	"Meaning",						// MEANING
+};
+
 static const char InstanceAttributeNames[18][30] = {
 	"Content",						// CONTENT
 	"ChestQuestNumber",				// CHESTQUESTNUMBER
@@ -111,10 +254,32 @@ static const char InstanceAttributeNames[18][30] = {
 	"RemainingUses",				// REMAININGUSES
 };
 
+//
+
+// BITSET Helpers
+// =============================================================================
+static inline bool CheckBit(uint8 *Set, int Index){
+	int ByteIndex = (int)(Index / 8);
+	uint8 BitMask = (uint8)(1 << (Index % 8));
+	return (Set[ByteIndex] & BitMask) != 0;
+}
+
+static inline void SetBit(uint8 *Set, int Index){
+	int ByteIndex = (int)(Index / 8);
+	uint8 BitMask = (uint8)(1 << (Index % 8));
+	Set[ByteIndex] |= BitMask;
+}
+
+static inline void ClearBit(uint8 *Set, int Index){
+	int ByteIndex = (int)(Index / 8);
+	uint8 BitMask = (uint8)(1 << (Index % 8));
+	Set[ByteIndex] &= ~BitMask;
+}
+
 // ObjectType
 // =============================================================================
 void ObjectType::setTypeID(int TypeID){
-	if(TypeID < ObjectTypes.min || ObjectTypes.max < TypeID){
+	if(!ObjectTypeExists(TypeID)){
 		error("ObjectType::setTypeID: Ungültiger Typ %d.\n", TypeID);
 		TypeID = 0;
 	}
@@ -123,10 +288,8 @@ void ObjectType::setTypeID(int TypeID){
 }
 
 bool ObjectType::getFlag(FLAG Flag){
-	TObjectType *Type = ObjectTypes.at(this->TypeID);
-	int FlagIndex = (int)(Flag / 8);
-	uint8 FlagMask = (uint8)(1 << (Flag % 8));
-	return (Type->Flags[FlagIndex] & FlagMask) != 0;
+	TObjectType *TypeP = ObjectTypes.at(this->TypeID);
+	return CheckBit(TypeP->Flags, (int)Flag);
 }
 
 uint32 ObjectType::getAttribute(TYPEATTRIBUTE Attribute){
@@ -136,23 +299,24 @@ uint32 ObjectType::getAttribute(TYPEATTRIBUTE Attribute){
 		return 0;
 	}
 
-	TObjectType *Type = ObjectTypes.at(this->TypeID);
-	return Type->Attributes[Attribute];
+	TObjectType *TypeP = ObjectTypes.at(this->TypeID);
+	return TypeP->Attributes[Attribute];
 }
 
 int ObjectType::getAttributeOffset(INSTANCEATTRIBUTE Attribute){
 	if(!this->getFlag(InstanceAttributeFlags[Attribute])){
+		// TODO(fusion): Review this?
 		if(Attribute != CONTENT || !this->getFlag(CHEST)){
 			return -1;
 		}
 	}
 
-	TObjectType *Type = ObjectTypes.at(this->TypeID);
-	return Type->AttributeOffsets[Attribute];
+	TObjectType *TypeP = ObjectTypes.at(this->TypeID);
+	return TypeP->AttributeOffsets[Attribute];
 }
 
 const char *ObjectType::getName(int Count){
-	if(this->TypeID == 99){
+	if(this->isCreatureContainer()){
 		error("ObjectType::getName: Der Kreaturtyp hat keinen Namen.\n");
 		return NULL;
 	}
@@ -162,9 +326,9 @@ const char *ObjectType::getName(int Count){
 	// buffer.
 #if 0
 	char ObjectName[50];
-	TObjectType *Type = ObjectTypes.at(this->TypeID);
+	TObjectType *TypeP = ObjectTypes.at(this->TypeID);
 	if(Type->Name != NULL){
-		strcpy(ObjectName, Type->Name);
+		strcpy(ObjectName, TypeP->Name);
 	}else{
 		ObjectName[0] = 0;
 	}
@@ -175,15 +339,32 @@ const char *ObjectType::getName(int Count){
 }
 
 const char *ObjectType::getDescription(void){
-	TObjectType *Type = ObjectTypes.at(this->TypeID);
-	return Type->Description;
+	TObjectType *TypeP = ObjectTypes.at(this->TypeID);
+	return TypeP->Description;
 }
 
 // Object Type Related Functions
 // =============================================================================
-const char *GetInstanceAttributeName(int Attribute){
-	ASSERT(Attribute >= 0 && Attribute <= 17);
-	return InstanceAttributeNames[Attribute];
+int GetFlagByName(const char *Name){
+	int Result = -1;
+	for(int i = 0; i < NARRAY(FlagNames); i += 1){
+		if(stricmp(FlagNames[i], Name) == 0){
+			Result = i;
+			break;
+		}
+	}
+	return Result;
+}
+
+int GetTypeAttributeByName(const char *Name){
+	int Result = -1;
+	for(int i = 0; i < NARRAY(TypeAttributeNames); i += 1){
+		if(stricmp(TypeAttributeNames[i], Name) == 0){
+			Result = i;
+			break;
+		}
+	}
+	return Result;
 }
 
 int GetInstanceAttributeByName(const char *Name){
@@ -197,6 +378,278 @@ int GetInstanceAttributeByName(const char *Name){
 	return Result;
 }
 
+const char *GetFlagName(int Flag){
+	ASSERT(Flag >= 0 && Flag < NARRAY(FlagNames));
+	return FlagNames[Flag];
+}
+
+const char *GetTypeAttributeName(int Attribute){
+	ASSERT(Attribute >= 0 && Attribute < NARRAY(TypeAttributeFlags));
+	return TypeAttributeNames[Attribute];
+}
+
+const char *GetInstanceAttributeName(int Attribute){
+	ASSERT(Attribute >= 0 && Attribute < NARRAY(InstanceAttributeNames));
+	return InstanceAttributeNames[Attribute];
+}
+
 bool ObjectTypeExists(int TypeID){
 	return ObjectTypes.min <= TypeID && TypeID <= ObjectTypes.max;
 }
+
+// NOTE(fusion): Small helper to compute the index into the `NewType` array
+// from old object type values.
+static uint16 GetNewTypeIndex(uint8 Group, uint8 Number){
+	return ((uint16)Group << 8) | (uint16)Number;
+}
+
+bool ObjectTypeExists(uint8 Group, uint8 Number){
+	// TODO(fusion): Check bounds?
+	return NewType[GetNewTypeIndex(Group, Number)] >= 0;
+}
+
+ObjectType GetNewObjectType(uint8 Group, uint8 Number){
+	int TypeID = NewType[GetNewTypeIndex(Group, Number)];
+	if(TypeID < 0){
+		error("GetNewObjectType: Objekttyp %u/%u existiert nicht.\n", Group, Number);
+		TypeID = 0;
+	}
+
+	return ObjectType(TypeID);
+}
+
+void GetOldObjectType(ObjectType Type, uint8 *Group, uint8 *Number){
+	if(!ObjectTypeExists(Type.TypeID)){
+		error("GetOldObjectType: Ungültiger Typ %d.\n", Type.TypeID);
+		return;
+	}
+
+	// TODO(fusion): Check bounds?
+	*Group = OldGroup[Type.TypeID];
+	*Number = OldNumber[Type.TypeID];
+}
+
+ObjectType GetSpecialObject(SPECIALMEANING Meaning){
+	int TypeID = 0;
+	if(Meaning > 0 && Meaning < NARRAY(SpecialObjects)){
+		TypeID = SpecialObjects[Meaning].TypeID;
+		if(TypeID == 0){
+			error("GetSpecialObject: Kein Objekttyp mit Bedeutung %d definiert.\n", Meaning);
+		}
+	}else{
+		error("GetSpecialObject: Ungültige Bedeutung %d.\n", Meaning);
+	}
+	return ObjectType(TypeID);
+}
+
+ObjectType GetObjectTypeByName(const char *SearchName, bool Movable){
+	if(SearchName == NULL){
+		error("GetObjectTypeByName: SearchName ist NULL.\n");
+		return ObjectType();
+	}
+
+	// NOTE(fusion): We add spaces around the search term to match whole words
+	// or sentences. This requires use to also add spaces around the searching
+	// text, in case the search term is at edge.
+	ObjectType BestMatch;
+	char Help[50];
+	char Pattern[50];
+	snprintf(Pattern, sizeof(Pattern), " %s ", SearchName);
+	for(int TypeID = TYPEID_CREATURE_CONTAINER + 1;
+			TypeID <= ObjectTypes.max;
+			TypeID += 1){
+		ObjectType Type = TypeID;
+		if(!Movable || !Type.getFlag(UNMOVE)){
+			const char *TypeName = Type.getName(-1);
+			if(TypeName && TypeName[0] != 0){
+				if(stricmp(SearchName, TypeName) == 0){
+					BestMatch = Type;
+					break;
+				}
+
+				if(BestMatch.TypeID == 0){
+					snprintf(Help, sizeof(Help), " %s ", TypeName);
+					if(strstr(Help, Pattern) != NULL){
+						BestMatch = Type;
+					}
+				}
+			}
+		}
+	}
+
+	return BestMatch;
+}
+
+static void LoadObjects(void){
+	char FileName[4096];
+	snprintf(FileName, sizeof(FileName), "%s/objects.srv", DATAPATH);
+
+	int TypeID = -1;
+	TReadScriptFile Script;
+	Script.open(FileName);
+	while(true){
+		Script.nextToken();
+		if(Script.Token == ENDOFFILE){
+			Script.close();
+			break;
+		}
+
+		if(Script.Token != IDENTIFIER){
+			Script.error("Identifier expected");
+		}
+
+		char Identifier[MAX_IDENT_LENGTH];
+		strcpy(Identifier, Script.getIdentifier());
+		Script.readSymbol('=');
+
+		if(strcmp(Identifier, "typeid") == 0){
+			TypeID = Script.readNumber();
+			// NOTE(fusion): Initialize object type.
+			TObjectType *TypeP = ObjectTypes.at(TypeID);
+			memset(TypeP, 0, sizeof(TObjectType));
+			for(int i = 0; i < NARRAY(TypeP->AttributeOffsets); i += 1){
+				TypeP->AttributeOffsets[i] = -1;
+			}
+		}else{
+			if(TypeID < 0){
+				Script.error("Invalid type id");
+			}
+
+			TObjectType *TypeP = ObjectTypes.at(TypeID);
+			if(strcmp(Identifier, "name") == 0){
+				TypeP->Name = AddStaticString(Script.readString());
+			}else if(strcmp(Identifier, "description") == 0){
+				TypeP->Description = AddStaticString(Script.readString());
+			}else if(strcmp(Identifier, "flags") == 0){
+				Script.readSymbol('{');
+				while(true){
+					Script.nextToken();
+					if(Script.Token == SPECIAL){
+						char Special = Script.getSpecial();
+						if(Special == ',') continue;
+						if(Special == '}') break;
+					}
+
+					int Flag = GetFlagByName(Script.getIdentifier());
+					if(Flag == -1){
+						Script.error("Unknown flag");
+					}
+
+					SetBit(TypeP->Flags, Flag);
+				}
+
+				// NOTE(fusion): Assign instance attribute offsets after parsing flags.
+				int InstanceAttributeCount = 0;
+				for(int InstanceAttribute = 0;
+						InstanceAttribute < NARRAY(TypeP->AttributeOffsets);
+						InstanceAttribute += 1){
+					// TODO(fusion): This thing with CONTENT, CONTAINER, and CHEST have
+					// been a trend so my guess it that CONTENT is the only instance
+					// attribute that has two flags (CONTAINER and CHEST), and we need
+					// to check it here.
+					if(CheckBit(TypeP->Flags, InstanceAttributeFlags[InstanceAttribute])
+					|| (InstanceAttribute == CONTENT && CheckBit(TypeP->Flags, CHEST))){
+						TypeP->AttributeOffsets[InstanceAttribute] = InstanceAttributeCount;
+						InstanceAttributeCount += 1;
+					}
+				}
+			}else if(strcmp(Identifier, "attributes") == 0){
+				Script.readSymbol('{');
+				while(true){
+					Script.nextToken();
+					if(Script.Token == SPECIAL){
+						char Special = Script.getSpecial();
+						if(Special == ',') continue;
+						if(Special == '}') break;
+					}
+
+					int TypeAttribute = GetTypeAttributeByName(Script.getIdentifier());
+					if(TypeAttribute == -1){
+						Script.error("Unknown attribute");
+					}
+
+					Script.readSymbol('=');
+					uint32 Value = (uint32)Script.readNumber();
+					TypeP->Attributes[TypeAttribute] = Value;
+					if(TypeAttribute == MEANING){
+						if(Value == 0 || Value >= NARRAY(SpecialObjects)){
+							Script.error("Unknown meaning");
+						}
+
+						if(SpecialObjects[Value].TypeID != 0){
+							Script.error("Special object already defined");
+						}
+
+						SpecialObjects[Value].setTypeID(TypeID);
+					}
+				}
+			}else{
+				// TODO(fusion):
+				// error("Invalid object type field \"%s\"", Identifier);
+			}
+		}
+	}
+}
+
+static void LoadConversionList(void){
+	STATIC_ASSERT(NARRAY(OldGroup) == NARRAY(OldNumber));
+
+	for(int i = 0; i < NARRAY(OldGroup); i += 1){
+		OldGroup[i] = 0;
+		OldNumber[i] = 0;
+	}
+
+	for(int i = 0; i < NARRAY(NewType); i += 1){
+		NewType[i] = -1;
+	}
+
+	char FileName[4096];
+	snprintf(FileName, sizeof(FileName), "%s/conversion.lst", DATAPATH);
+	std::ifstream IN(FileName, std::ios_base::in);
+	if(IN.fail()){
+		error("LoadConversionList: Kann Datei %s nicht öffnen.\n", FileName);
+		throw "Cannot open conversion.lst";
+	}
+
+	while(true){
+		int Group, Number, TypeID;
+		IN >> Group >> Number >> TypeID;
+		if(IN.fail()){
+			// TODO(fusion): if(!IN.eof()) { error(...); }
+			IN.close();
+			break;
+		}
+
+		// TODO(fusion): Review this?
+		if(TypeID <= 0 || TypeID >= NARRAY(OldGroup)){
+			error("LoadConversionList: Ungültiger Typ %d.\n", TypeID);
+			throw "Error while loading conversion.lst";
+		}
+
+		OldGroup[TypeID] = Group;
+		OldNumber[TypeID] = Number;
+		NewType[GetNewTypeIndex(Group, Number)] = TypeID;
+	}
+
+
+	// NOTE(fusion): Map and body containers.
+	for(int TypeID = 0; TypeID <= 10; TypeID += 1){
+		OldGroup[TypeID] = 0;
+		OldNumber[TypeID] = (uint8)TypeID;
+		NewType[GetNewTypeIndex(0, (uint8)TypeID)] = TypeID;
+	}
+
+	// NOTE(fusion): Creature container.
+	OldGroup[99] = 250;
+	OldNumber[00] = 0;
+	NewType[GetNewTypeIndex(250, 0)] = 99;
+}
+
+void InitObjects(void){
+	LoadObjects();
+	LoadConversionList();
+}
+
+void ExitObjects(void){
+	// no-op
+}
diff --git a/src/objects.hh b/src/objects.hh
index eec0565..84801e3 100644
--- a/src/objects.hh
+++ b/src/objects.hh
@@ -66,17 +66,26 @@ struct ObjectType {
 };
 
 struct TObjectType {
-	char *Name;
-	char *Description;
+	const char *Name;
+	const char *Description;
 	uint8 Flags[9];
 	uint32 Attributes[62];
 	int AttributeOffsets[18];
 };
 
-const char *GetInstanceAttributeName(int Attribute);
+int GetFlagByName(const char *Name);
+int GetTypeAttributeByName(const char *Name);
 int GetInstanceAttributeByName(const char *Name);
+const char *GetFlagName(int Flag);
+const char *GetTypeAttributeName(int Attribute);
+const char *GetInstanceAttributeName(int Attribute);
 bool ObjectTypeExists(int TypeID);
-//void InitObjects(void);
-//void ExitObjects(void);
+bool ObjectTypeExists(uint8 Group, uint8 Number);
+ObjectType GetNewObjectType(uint8 Group, uint8 Number);
+void GetOldObjectType(ObjectType Type, uint8 *Group, uint8 *Number);
+ObjectType GetSpecialObject(SPECIALMEANING Meaning);
+ObjectType GetObjectTypeByName(const char *SearchName, bool Movable);
+void InitObjects(void);
+void ExitObjects(void);
 
 #endif //TIBIA_OBJECTS_HH_
diff --git a/src/stubs.hh b/src/stubs.hh
index d0b7d90..316a2fe 100644
--- a/src/stubs.hh
+++ b/src/stubs.hh
@@ -15,7 +15,8 @@ typedef void TRefreshSectorFunction(int SectorX, int SectorY, int SectorZ, const
 typedef void TSendMailsFunction(TPlayerData *PlayerData);
 
 extern void AbortWriter(void);
-extern uint32 AddDynamicString(const char *Text);
+extern uint32 AddDynamicString(const char *String);
+extern const char *AddStaticString(const char *String);
 extern void AnnounceChangedCreature(uint32 CreatureID, int Type);
 extern void BroadcastMessage(int Mode, const char *Text, ...) ATTR_PRINTF(2, 3);
 extern void Change(Object Obj, ObjectType NewType, uint32 Value);