Added lesser variants to shock core and biorifle ammo for balance.

Added "dropped ammo" properties to all weapons, also for balance.
Silence warnings about floating point truncation.

modeldef.shock

@@ -8,6 +8,16 @@ Model "ShockAmmo"
 
 	FrameIndex SHOA A 0 0
 }
+Model "ShockAmmo2"
+{
+	Path "models"
+	Model 0 "ShockCoreM_d.3d"
+	Skin 0 "JShockCore_2.png"
+	Scale 0.11 0.11 0.132
+	ZOffset 12
+
+	FrameIndex SHOA A 0 0
+}
 
 Model "EnhancedShockAmmo"
 {