Game.dtz

DTZ - a memory dump console packaged with a lossless compression algorithm deflate/zlib. You can pack and unpack, for example, by using DTZ Editor.

GAME.DTZ

Description	Analogy	Offset	Notes
Textures
textures of menu	frontend.txd	LCS PS2: 0x4E4A30 LCS PSP: 0x4DA830 VCS PS2: 0x581330 VCS PSP: 0x51D95C	contain texture of menu, packed deflate/zlib algorithm (*)
texture of fonts	fonts.txd	LCS PS2: 0x4EF4D8 LCS PSP: 0x4E2B1C VCS PS2: 0x57BE4C VCS PSP: 0x530AFC	also packed deflate/zlib algorithm (*)
particle effects	particle.txd	LCS PS2: 0x4A1C28 LCS PSP: 0x38AB90 VCS PS2: 0x761F0 VCS PSP: 0x3F7FB0	contain all textures of particle effect (*)
generic-textures	generic.txd, wheels.txd, vehicle.txd	LCS PS2: 0x4A1BFC LCS PSP: 0x392B04 VCS PS2: 0x539E0 VCS PSP: 0x3D60B4	contains general textures for cars and all the textures of wheels (*)
radar icons	hud.txd	LCS PS2: 0x4A1BE4 LCS PSP: 0x38AD30 VCS PS2: 0x287B0 VCS PSP: 0x3B4678	contain icons for hud (*)
texture of radar	radarNN.txd		Contain textures for radar
Animation
?	ped.ifp
?	swim.ifp		only in GTA VCS
?	fight.ifp		only in GTA VCS
?	driveby.ifp		only in GTA VCS
DIR-files
for cuts.img	cuts.dir		not working
for GTA3PS2.IMG	GTA3PS2.dir		specific for stories, doesn't contain the names.
Collision
?	peds.col		peds.col2
?	vehicles.col		vehicles.col2
?	weapons.col		weapons.col2
Models
model of plane	air_vlo.dff		air_vlo.mdl
model of arrow	arrow.dff		arrow.mdl
model of wheels	wheels.dff
model of marker (zone)	zonecylb.dff
IDE / IPL / DAT
IDE	*.ide		contain all name of models and textures.
IPL	*.ipl		contains all the coordinates for the placement of collisions in the game.
colors of cars	carcols.dat
cullzone data	cullzone.dat
fistfite data	fistfite.dat
handling data	handling.dat	LCS PS2: 0x1647A0 LCS PSP: 0x50190 VCS PS2: 0x4C2A10 VCS PSP: 0x3AF30F	LCS and VCS have different structure of handling
	info.zon
	map.zon
object data	object.dat
particle data	particle.cfg	LCS PS2: 0x3917D0	characteristics of special effects
pedstats data	pedstats.dat	LCS PS2: part 1 - 0x49E820 part 2 - 0x49EB78 part 3 - 0x4A1A10 LCS PSP: 0x391DA0 VCS PS2: part 1 - 0x4C8080 part 2 - 0x4C8428 VCS PSP: 0x3B1F10	characteristics of pedestrians, in the PS2-version split into parts LCS PS2: part 1 - 15 items part 2 - 18 items part 3 - 9 items LCS PSP: 42 items VCS PS2: part 1 - 6 items part 2 - 36 items VCS PSP: 42 items
timecyc data	timecyc.dat
data about waters surfaces	waterpro.dat
weapon data	weapon.dat	VCS PS2: 0x3D7530 VCS PSP: 0x2E8B60
Other
SDT-files.			only in PSP versions

Notes:

• Offset is specified for the unpacked game.dtz
• * - Data marked with (*) are opened by GTA Stories Texture Explorer.

weapons data

Analog of weapons.dat

Structure of LCS version

Total number of records: 38

typedef struct vFireOffset{
    float       x;
    float       y;  
    float       z;        
};

typedef struct vTimeStrc{
    float       a;
    float       b;  
    float       c;        
};

typedef struct weapondata{
    int		FireType;
    float	Range;
    int		FiringRate;
    int		Reload;
    int		AmountOfAmmunition;
    int		Damage;
    float	Speed;
    float	Radius;
    float	LifeSpan;
    float	Spread;
    DWORD	padding1;
    DWORD	padding2;
    vFireOffset	FireOffset;
    DWORD	zero;
    DWORD	anim_id;
    vTimeStrc	time1;
    vTimeStrc	time2;
    float	unk;
    DWORD	ModelID;
    DWORD	ModelID2;
    DWORD	weapon_slot;
    DWORD	Flags <format=hex>;
};

Structure of VCS version

Total number of records: 40

typedef struct vFireOffset{
    float       f1;
    float       f2;  
    float       f3;        
};

typedef struct weapondata{
    DWORD       dwType; 
    int         iFireType;
    float       fRange;
    int         iFiringRate;
    int         iReload;
    int         iAmountOfAmmunition;
    int         iDamage;
    float       fSpeed;
    float       fRadius;
    float       fLifeSpan;
    float       fSpread;
    DWORD       dwPadding;   //padding (0xAA)
    vFireOffset m_vFireOffset;  //vector
    DWORD       _f3C;   //always zero
    DWORD       _f40;   //integer value
    DWORD       _f44;   //DWORD ? unknown
    vFireOffset m_vFireOffset;  //vector
    vFireOffset m_vFireOffset;  //vector
    DWORD       dwModelID; 
    DWORD       dwModel2ID;
    DWORD       dwWeaponSlot
    DWORD       _f6C;   //padding (0xAA)      
};