Rebalance the Tempest and the Atlantis

[Basilisk3]

Changes to the Tempest

Oblivion Cannon
Damage: 8000 --> 10000
RateOfFire: 0.1 --> 0.08
DPS: 800 (unchanged)

Harmonic Depth Charges
MaxRadius: 80 --> 65
RateOfFire: 0.2 --> 0.1667 (once every 5 seconds --> once every 6 seconds)
DPS: 420 --> 350

Veterancy
VeteranMassMult: 0.5 --> 0.75 (mass required to vet: 12k --> 18k)

Changes to the Atlantis

Physics
TurnRate: 12 --> 18

Veterancy
VeteranMassMult: 0.5 --> 0.75 (mass required to vet: 6k --> 9k)

Explanation of the changes

The Tempest gets a nerf, as it has become too oppressive.

• Its main cannon gains higher damage at the cost of a lower fire rate, to decrease its effectiveness against destroyers.
• Its Harmonic Depth Charges are extremely powerful and make pushing Tempests with lower tier units difficult. They are toned down to enable players to seek the initiative more and punish bad micro.
• Part of the reason the Tempest snowballed as hard as it did, is its low VeteranMassMult stat. A regular battleship needs 11.25k mass to vet, the Tempest needed 12k. Due to its higher mass cost, the Tempest requires a lower multiplier, though its previous value of 0.5 was too low.
• Microing the Atlantis is made more rewarding in exchange for getting a similar nerf to its VeteranMassMult stat as the Tempest.

Checklist

• Changes are documented in the changelog for the next game version