Weapon

A weapon is anything that can damage other objects, including vehicles and pedestrians. It is one of the core gameplay feature of Grand Theft Auto.

Mission Script

The following opcodes is related to weapons. Some of the opcodes are specific to one game so click on the opcode to see more information about it, if it exists.
0114 - Sets an actor's weapon ammo while in a vehicle
017B - Sets an actor's weapon ammo
01B2 - Gives an actor a weapon
01B9 - Sets an actor's currently armed weapon
0237 - Sets a gang's weapons
02D6 - Checks if a weapon is being fired in a location
02D8 - Checks the current weapon an actor is holding
02E2 - Sets an actor's weapon accuracy
031D - Checks if an actor is hit by a weapon
031E - Checks if a vehicle is hit by a weapon
032B - Creates a weapon pickup
041A - Gets the current amount of ammo for the weapon
0467 - Resets 031D
0468 - Resets 031E
0470 - Gets an actor's current weapon
048F - Removes weapons from an actor
0491 - Checks if an actor has the weapon
04B8 - Gets the weapon's data from an actor
0501 - Sets the player's ability to drive by
0555 - Removes a specific weapon from an actor
0563 - Sets the player's drive by ammo
06AB - Hides all weapons
0713 - Makes an actor do drive bys
081A - Sets an actor's weapon skill
087E - Sets an actor to drop weapons after a death
0881 - Sets an actor be able to shoot
0946 - Sets an actor oblivious to weapon fire
0992 - Sets the player's ability to scroll through weapons

Vice City

Vice City is the first GTA that lets you replace a weapon of the same type. Most of the information on the weapons are located in the weapon.dat file. Information on melee combat is located in the melee.dat file. The textures and models of the weapons are located in the gta3.img file. The HUD icon of the first is located in the hud.txd file.

Name	ID	Model	Group	Number
Unarmed				0
Brass Knuckle	259	#brassknuckle		1
Screw Driver	260	#screwdriver		2
Golf Club	261	#golfclub		3
Night Stick	262	#nitestick		4
Knife	263	#knifecur		5
Baseball Bat	264	#bat		6
Hammer	265	#hammer		7
Cleaver	266	#cleaver		8
Machete	267	#machete		9
Katana	268	#katana		10
Chainsaw	269	#chnsaw		11
Grenade	270	#grenade	2	12
Remote Detonator	291	#bomb	2	13
Tear Gas	271	#teargas	2	14
Molotov	272	#molotov	2	15
Missile	273	#missile	2	16
Colt .45 (Pistol)	274	#colt45	3	17
Python (.357)	275	#python	3	18
Chrome Shotgun	276	#chromegun	4	19
Spaz Shotgun (S.P.A.S. 12)	277	#shotgspa	4	20
Stubby Shotgun	278	#buddyshot	4	21
Tec-9	281	#tec9	5	22
Uzi 9mm (Uz-I)	282	#uzi	5	23
Ingram Mac 10	283	#ingramsl	5	24
MP5 (MP)	284	#mp5lng	5	25
M4	280	#m4	6	26
Ruger (Kruger)	276	#ruger	6	27
Rocket Launcher	287	#rocketla	7	30
Flame Thrower	288	#flame	7	31
M60	289	#M60	7	32

San Andreas

San Andreas is the first GTA that lets you dual wield weapons. Information on weapons, melee combat, textures, and models are located in the same files as in VIce City.

Name	ID	Model	Group	Number
Unarmed			1	0
Brass Knuckle	331	#brassknuckle	1	1
Golf Club	333	#golfclub	2	2
Night Stick	334	#nitestick	2	3
Knife	335	#knifecur	2	4
Baseball Bat	336	#bat	2	5
Shovel	337	#shovel	2	6
Pool Cue	338	#poolcue	2	7
Katana	339	#katana	2	8
Chainsaw	341	#chnsaw	2	9
Grenade	342	#grenade	9	16
Tear Gas	343	#teargas	9	17
Molotov Cocktail	344	#molotov	9	18
Pistol	346	#colt45	3	22
Silenced Pistol	347	#silenced	3	23
Desert Eagle	348	#desert_eagle	3	24
Shotgun	349	#chromegun	4	25
Sawnoff Shotgun	350	#sawnoff	4	26
Combat Shotgun	351	#shotgspa	4	27
Micro SMG	352	#micro_uzi	5	28
SMG	353	#mp5lng	5	29
AK47	355	#ak47	6	30
M4	356	#m4	6	31
Tec9	372	#tec9	5	32
Rifle	357	#cuntgun	7	33
Sniper Rifle	358	#sniper	7	34
Rocket Launcher	359	#rocketla	8	35
Heat Seeking Rocket Launcher	360	#heatseek	8	36
Flame Thrower	361	#flame	8	37
Minigun	362	#minigun	8	38
Satchel Charges	363	#satchel	9	39
Detonator	364	#bomb	13	40
Spray Paint	365	#spraycan	10	41
Fire Extinguisher	366	#fire_ex	10	42
Camera	367	#camera	10	43
Night-vision Goggles	368	#nvgoggles	12	44
Thermal Goggles	369	#irgoggles	12	45
Parachute	371	#gun_para	12	46