Function to initialise a layer of the UTILITY array of the G-MSE model.
Usage
utility_layer(agent_IDs, agent_number, res_types)
Arguments
agent_IDs
Vector of agent IDs to use (including -1 and -2, which indicate direct actions to the landscape and resources, respectively)
agent_number
The number of agents to use (length of agent_IDs)
res_types
The number of unique resource types (cols 2-4 of RESOURCES); for now, this should always be 1
Value
A layer of the COST or ACTION array, as called in building either make_costs or make_utilities, respectively. This layer corresponds to the costs or actions of a single agent, with the larger array in in which it is placed including all agents