Weapon.dat

The weapon.dat is a file located in the data/ directory of all GTA games. The file contains information about the weapons properties and settings. The weapons themselfes are defined inside the default.ide file located in the same folder.

File format

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GTA III and Vice City

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	Identifier	Type	Description
A	Weapon Name	string
B	Fire Type	string	Available types include: MELEE, INSTANT_HIT, PROJECTILE, AREA_EFFECT, and CAMERA
C	Range	float	The range of the bullet in units
D	Firing Rate	integer
E	Reload	integer	The time to reload in milliseconds, constrained by the animation being played
F	Amount of Ammunition	integer	The number of ammo per clip
G	Damage	integer	Damage done to damageable objects; damage done to characters are within the range of the value while to others are accurate to the value
H	Speed	float
I	Radius	float
J	Life span	float
K	Spread	float
L,M,N	Fire Offset Vector	float[3]	The x,y,z offset of the gunflash
O	Animation to Play	string
P	Animation Loop Start	float	Start point of animation to be looped for shooting
Q	Animation Loop End	float	End point of animation to be looped for shooting
R	Animation Fire Point	float	Point in animation to fire weapon, value has to be between values in columns P and Q
S	Animation2 Loop Start	float	Start point of crouching animation to be looped for shooting
T	Animation2 Loop End	float	End point of crouching animation to be looped for shooting
U	Animation2 Fire Point	float	Point in crouching animation to fire weapon, value has to be between values in columns S and T
V	Breakout Animation	float
W	Model ID	integer	IDE model of the weapon
X	Model2 ID	integer	IDE model of the weapon attachment, only Minigun model shows an effect
Y	Flags	hex	see below
Z	Weapon Slot	integer	0: Fist 1: Melee 2: Thrown 3: Pistol 4: Shotgun 5: Submachine gun 6: Assault rifle 7: Heavy 8: Sniper rifle 9: Special

Byte	Value	Column Name	Description
1	1	USE_GRAVITY
	2	SLOWS_DOWN
	4	DISSIPATES
	8	RAND_SPEED
2	1	EXPANDS
	2	EXPLODES
	4	CANAIM	Can auto-aim, "Classic" controls only Small guns only
	8	CANAIM_WITHARM	Can run while auto-aiming, "Classic" controls only Small guns only
3	1	1ST_PERSON
	2	HEAVY	Disables jumping and sprinting
	4	THROW
	8	RELOAD_LOOP2START
4	1	USE_2ND	Will use a second animation after the main one played Recommended for melee weapons only because it looks odd for others
	2	GROUND_2ND
	4	FINISH_3RD	Will use a third finishing animation after the second one played, only works when USE_2ND flag is used
	8	RELOAD	Reload animation will play
5	1	FIGHTMODE	Will go into a fighting stance after attacking, can crash the game if no such animation exists Melee weapons only
	2	CROUCHFIRE	Allows firing while crouching; for weapons without a crouching animation, character will stand up to attack and crouch back down
	4	COP3_RD
	8	GROUND_3RD
6	1	PARTIALATTACK	Can attack while running for melee weapons Recommended for melee weapons only because it looks odd for others
	2	ANIMDETONATE

San Andreas

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San Andreas knows two different weapon types. Each weapon can be only one of those types. It gets defined by the first character of a line and defines the whole lines structure. The types are:

• < – Melee weapons
• $ – Guns

Identifier	Description
A	The weapon type identifier (as descriped above).
B	Fire type enumeration. Can be: MELEE, PROJECTILE (for uzis and pistols), INSTANT_HIT (for rifles), USE, AFFECT_AREA and CAMERA.
C	The range a target can be aimed.
D	The range of the bullets to cause damage.
E	Model identifier of the primary weapon (defined inside the default.ide file).
F	Model identifier of the secondary weapon (apparently unused, always -1).
G	The time the primary weapon requires to be reloaded.
I	The slot the weapon requires in the game.

Melee weapon parameters

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Gun parameters

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Weapon aiming offsets

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GTA IV

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See also

• OBJS – IDE section to define weapons in GTA III
• WEAP – IDE section to define weapons in Vice City and San Andreas
• List of all data files