Fix projectile explosion palette.
Work on MGL1v1.
Add p1 MG1 ammo shape.
Add p1 SG1 ammo shape.
Tweak p1 MG1 projectile materials.
Tweak p1 MGL1 projectile materials.
Tweak p1 SG1 projectile materials.
Update .dts files.
Work on MG1v1.
Work on SG1v1.