Function setMaterialHandleModifier

Set Material handle modifier

Common values:

• 0.3 => Paper
• 0.5 => Stone
• 0.7 => Flint
• 0.8 => Obsidian
• 1 => Wood, Cactus, Bone
• 1.2 => Netherrack
• 1.3 => Iron, Alumite
• 1.5 => Green Slime
• 1.75 => Cobalt
• 2 => Blue Slime, Ardite
• 2.5 => Manyullyn