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Compatibility with other mods

ITC Land Systems Redux brings its fire control to the artillery of RHS, CUP, BWMod and the GTK Boxer. The compatibility is part of the mod: there is nothing extra to download, and each part switches itself on only when the other mod is loaded. Without that mod it is skipped silently.

The ITC versions are separate vehicles next to the originals, in the same factions, with mod. 0 in their names (e.g. 2S1 mod. 0 Gvozdika 2). The original vehicles of the other mod stay as they are.

What the ITC versions add

Kind What changes Works like
Self-propelled guns (2S1, 2S3, M109A6, Panzerhaubitze 2000, Boxer RCH 155) and the M1129 mortar carrier Ammunition handler with ITC rounds, fuzes and charges, mounted tablet for the commander with firing solutions, ITC gunner sight, vanilla artillery computer off Sholef 2, Sochor 2
Rocket launcher (M270 MLRS) ITC 230 mm rockets (ICM, guided, mines, ...), mounted tablet for the gunner, ITC MLRS sight, vanilla artillery computer off Seara 2
Towed guns (D-30, M119) ITC gunner sight (current azimuth and quadrant), firing tables for the BCS, vanilla artillery computer off. They are just the gun: no tablet and not on the datalink, the crew lays by voice from the FDC's data (hand-entered guns in the BCS). They keep their own rounds. —

For these, the BCS lists the charges with the same names as the gun's fire modes, so you select the charge the solution names.

Mortars

Stationary mortars get no ITC version: ACE already covers them with range tables and crew served weapons. What ITC adds is the BCS: the rounds of these mortars carry firing tables and have a battery type, so the BCS computes fire missions for the original mortars, also across several of them.

Mortar BCS battery type
RHS 2B14 'Podnos' 2B14 - 82mm Mortar
RHS M252 M252 - 81mm Mortar (RHS M821 rounds only: the vanilla 82 mm rounds it can also fire have tables for the Mk6's three charges, not the M252's five)
BWMod MRS120 MRS120 - 120mm Mortar
Vanilla Mk6, CUP 2B14, M252, L16A2, FV432 mortar carrier and Hilux mortar Mk6 (they all fire the vanilla 82 mm rounds)

RHS: AFRF

Vehicle Classnames Rounds BCS battery type
2S1 mod. 0 Gvozdika 2 itc_land_rhsafrf_2s1_tv, itc_land_rhsafrf_2s1_vmf ITC 122 mm: HE, smoke, laser guided, illumination 2A31 - 122mm Howitzer
2S3 mod. 0 Akatsiya 2 itc_land_rhsafrf_2s3_tv ITC 152 mm: HE, smoke, ICM, laser guided, illumination 2A33 - 152mm Howitzer
D-30 mod. 0 itc_land_rhsafrf_d30_msv, _vdv, _vmf, _ins RHS 122 mm (OF-462, 3OF56, D-462, S-463, 3OF69M) 2A18M (D-30) - 122mm Howitzer

RHS: USAF

Vehicle Classnames Rounds BCS battery type
M109A6 mod. 0 Paladin 2 itc_land_rhsusf_m109_usarmy (woodland), itc_land_rhsusf_m109d_usarmy (desert) ITC 155 mm: HE, smoke, ICM, AT and AP mines, GPS and laser guided, illumination M109A6 - 155mm Howitzer
M119A2 mod. 0 itc_land_rhsusf_m119_d, itc_land_rhsusf_m119_wd RHS 105 mm (HE, illumination, smoke) M119 - 105mm Howitzer

CUP

Vehicle Classnames Rounds BCS battery type
D-30 mod. 0 itc_land_cup_d30_ + afu, cdf, tk_gue, chdkz, ru, rus_m_desert, rus_m_summer, rus_m_winter, sla, tk, tk_ins CUP 122 mm: HE, WP, laser guided, smoke, illumination D-30 - 122mm Howitzer (CUP)
M119 mod. 0 itc_land_cup_m119_ + hil, us, usmc, racs CUP 105 mm: HE, WP, laser guided, smoke, illumination M119 - 105mm Howitzer (CUP)
M270 MLRS mod. 0 itc_land_cup_m270_ + baf_des, baf_wood, hil, usa, usmc, aaf, racs ITC 230 mm rockets M230 (as the Seara 2)
M1129 Mortar Carrier mod. 0 (Stryker) itc_land_cup_m1129_desert, itc_land_cup_m1129_woodland M934 120mm HE (itc_land_cup_m121_he, point detonate, proximity, time, delay), M929 120mm Smoke (itc_land_cup_m121_smoke), 3 charges M121 - 120mm Mortar (CUP)

The D-30 and M119 need CUP Units (with CUP Weapons), the M270 and M1129 need CUP Vehicles. The D-30's anti-tank round fires directly and has no firing tables.

The ITC M1129 is a mortar: the loader (CUP's back seat, named Loader) or the gunner prepares round, charge and fuze with the ammunition handler and drops each round on FIRE (see ammunition handler). The gunner lays by hand in the ITC gunnery sight with its alignment guide, as on the Sholef 2 (1x to 3x). The commander has the mounted tablet, and it is on the datalink for the BCS. CUP's own M1129 fires the vanilla ship cannon round, which is a 155 mm shell. The ITC M1129 fires a 120 mm mortar shell instead (itc_land_120mm_mortar, part of the mod's ammunition: less damage and a smaller radius than the 155 mm, more than the 82 mm). CUP's M1129 and its rounds stay unchanged.

BWMod

Vehicle Classnames Rounds BCS battery type
ITC Panzerhaubitze 2000 itc_land_bwa3_pzh2000 (Fleck), itc_land_bwa3_pzh2000d (Tropen) ITC 155 mm L/52 with German designations: DM121 HE, DM125 smoke, DM106 illumination, M718 AT mines, DM702 GPS and laser guided PzH2000 - 155mm Howitzer

The Panzerhaubitze 2000 fires with the same ballistics as the Sholef 2 (155 mm L/52). Like the real gun it loads automatically, about 5 s per round. The ammunition handler belongs to the loader (BWMod's gunner 2 seat); while that seat is empty, the gunner opens it.

GTK Boxer

Vehicle Classnames Rounds BCS battery type
ITC GTK Boxer (RCH 155) itc_land_gtk_boxer_rch155, itc_land_gtk_boxer_rch155_sand ITC 155 mm L/52: HE, smoke, illumination, ICM, GPS guided G155 155mm Howitzer (as the Sholef 2)

The RCH 155 carries the Panzerhaubitze 2000's gun, so the ITC version fires the Sholef 2's 155 mm L/52 rounds and loads automatically. It needs no BWMod. Its crew is two: the commander's seat lays the gun, so the commander opens both the ammunition handler and the mounted tablet. The gunner sight keeps the Boxer's own optics, with the ITC azimuth, quadrant and loader readouts on top.

Moving from the old compatibility mods

The standalone ITC Land Systems - RHS AFRF Compatibility and RHS USAF Compatibility mods and the ITC Panzerhaubitze 2000 of the TTT mod are replaced by the above. Unload them: if both are loaded they define the same vehicles, and whichever loads last wins.

Missions made with them keep working. The vehicle, weapon and magazine classnames are unchanged, and the addon names of the old RHS mods still exist, so missions that list them still load. The ITC mortars of the old RHS mods (itc_land_rhsafrf_2b14_*, itc_land_rhsusf_m252_* and their bags) stay for those missions, hidden in Eden, Zeus and the Arsenal.

Known limits

  • ACE advanced assembly (ACE crew served weapons, off by default): with it on, packing one of the hidden ITC 2B14 or M252 from an old mission gives ACE's carry items, and those assemble the RHS original.
  • CUP M119 depresses to -20°, the firing tables start at -9°: targets that need more depression get no solution.
  • Panzerhaubitze 2000 and Boxer RCH 155 elevate to 72° and 65°, the 155 mm high-angle tables go to 80°. The mounted tablet only offers solutions the gun can lay; the BCS, which does not know the gun yet, can still list steeper ones. Pick a lower charge or low angle there.
  • Not covered: the CUP BM-21 Grad and RM-70 (their rockets' flight is not verified yet), the Hilux rocket technicals and the CUP frigate's gun. They keep the vanilla artillery computer.

For developers

The compatibility addons are addons/compat_rhs_afrf, compat_rhs_usaf, compat_cup_units, compat_cup_vehicles, compat_bwa3 and compat_gtk_boxer (see Components). Each sets skipWhenMissingDependencies = 1 and lists the other mod's addons in requiredAddons.

.hemtt/launch.toml has a profile per mod, to chain after another profile:

hemtt launch default rhs        & rem RHS: AFRF and USAF (rhs_afrf / rhs_usaf for one of them)
hemtt launch default cup        & rem CUP Weapons, Units and Vehicles
hemtt launch default bwa3       & rem BWMod
hemtt launch default gtk        & rem GTK Boxer
hemtt launch server rhs         & rem works with the multiplayer profiles too

Firing tables for guns with their own charges are generated with the same method as the in-game table generator (ballistics/functions/tables/calcBallistics.sqf); guns that share the vanilla AMOS charges (M119, D-30) use the shared ballistics/tables/b_155 tables.