Grid system

[Autofire]

We need a system to keep track of characters on the grid.

• A controller to track the grid
• Needs to make itself globally accessable
• Needs to maintain a list/matrix of things in the grid
• Needs to allow others to retrieve a list of things in a given space
• Needs to give others the positions/centers of any given space

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• An object/objects to display the grid
• Needs to have some way of visually conveying the grid, both in terms of position and size

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• A component which allows an object to declare which space it's on
• Other components should be able to tell it to move around, etc. It should abstract away most of the grid-specific checks