I dunno about that version, but I played AC3 for a while. What do you mean by melee AI?
What worked for me in AC3 was to have three different ACs for the different types of missions. I called them Jaeger, Schneider and Panzer.
Jaeger was fast, with reverse-jointed legs and good boosters. It had a standard rifle and missiles, which made it weak but mobile. Good for any mission that was timed or against slow opponents. I think I also gave it a sword for melee.
Schneider was a quad mech (<3 quads) with two shoulder chain guns and a shield and flamethrower. The quads struck a good balance between speed and weight capacity, allowing me to stay mobile while firing those crazy chain guns. The flamethrower was great for melee, and brought down enemy health lightning fast. Schneider was my most balanced mech, and was my default for most missions.
Panzer was a tank, also with chain guns (I think chain guns were overpowered in 3, they fragged just about anything). It had tons of armor, and was great for any endurance mission where you had to fight a lot of stuff. The arms changed depending on the need. Standard was a rifle and shield, but I also remember vertical missiles for quick enemies, and a big plasma cannon one memorable time. It also worked well against small, faster enemies, since I could back against a wall and beat the crap out of them as soon as they went through my crosshairs.
Anyway, tl;dr, make different ACs for the different problems you have. If melee is a problem, consider scrapping it and jumping around, or try a different melee weapon like a flamethrower.
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What worked for me in AC3 was to have three different ACs for the different types of missions. I called them Jaeger, Schneider and Panzer.
Jaeger was fast, with reverse-jointed legs and good boosters. It had a standard rifle and missiles, which made it weak but mobile. Good for any mission that was timed or against slow opponents. I think I also gave it a sword for melee.
Schneider was a quad mech (<3 quads) with two shoulder chain guns and a shield and flamethrower. The quads struck a good balance between speed and weight capacity, allowing me to stay mobile while firing those crazy chain guns. The flamethrower was great for melee, and brought down enemy health lightning fast. Schneider was my most balanced mech, and was my default for most missions.
Panzer was a tank, also with chain guns (I think chain guns were overpowered in 3, they fragged just about anything). It had tons of armor, and was great for any endurance mission where you had to fight a lot of stuff. The arms changed depending on the need. Standard was a rifle and shield, but I also remember vertical missiles for quick enemies, and a big plasma cannon one memorable time. It also worked well against small, faster enemies, since I could back against a wall and beat the crap out of them as soon as they went through my crosshairs.
Anyway, tl;dr, make different ACs for the different problems you have. If melee is a problem, consider scrapping it and jumping around, or try a different melee weapon like a flamethrower.