Placeable Material Spawner

Specialization for spawning materials with placeables. This specialization enables spawning materials in one or more designated areas. It also supports pulling from ProductionPoint storage if enabled.

THIS CODE IS AVAILABLE TO ANYONE FOR FREE AND YOU CAN USE
IT TO LEARN, FORK AND SPREAD THE KNOWLEDGE.

Multiplayer is fully supported. Only players with admin permission will be able to access the GUI control panel in-game (if applicable).