Since engine version: 1.0 OC
Changes availability of buyable objects at the home base.
bool DoBaseMaterial(int player, id definition, int change);
- Number of the player whose home base material you want to change.
- id of the buyable object type you want to adjust.
- Change of the available amount (positive or negative).
DoBaseMaterial(0, Firestone, 1);
The player can now buy one flint more.