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Author SHA1 Message Date
Savanni D'Gerinel 55e0c98db3 Add a crate to start defining 2-d grids 2023-12-06 23:06:39 -05:00
4 changed files with 74 additions and 0 deletions

4
Cargo.lock generated
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@ -1219,6 +1219,10 @@ dependencies = [
"slab", "slab",
] ]
[[package]]
name = "gaming-grid"
version = "0.1.0"
[[package]] [[package]]
name = "gcd" name = "gcd"
version = "2.3.0" version = "2.3.0"

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@ -11,6 +11,7 @@ members = [
"emseries", "emseries",
"file-service", "file-service",
"fluent-ergonomics", "fluent-ergonomics",
"gaming-grid",
"geo-types", "geo-types",
"gm-control-panel", "gm-control-panel",
"hex-grid", "hex-grid",

8
gaming-grid/Cargo.toml Normal file
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@ -0,0 +1,8 @@
[package]
name = "gaming-grid"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

61
gaming-grid/src/lib.rs Normal file
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@ -0,0 +1,61 @@
// The gaming grid is a collection of coordinates and grouping utilities that I have developed from
// doing Advent of Code and from building the hex map coordinate system.
//
// This initial version works with square spaces, with the intent to be unified with the hexagonal
// coordinates.
/// A Group is a collection of locations that create a group, in whatever that means for a game. In
/// Go, this means a group of stones. In Advent of Code 2023 Day 3, that would be a "part" or a
/// "component".
///
/// AddrType is the data type of the addresses used in the coordinate system.
trait Group<AddrType> {
/// Return a list of all coordinates that make up the body of a group.
fn body(&self) -> dyn Iterator<Item = Coordinate<AddrType>>;
/// Return a list of all coordinates within x distance of the border of a group. By definition,
/// this will not include any coordinates within the group.
fn halo(&self, distance: u32) -> dyn Iterator<Item = Coordinate<AddrType>>;
}
struct Coordinate<T> {
row: T,
col: T,
}
/// The rules by which objects are adjacent to one another.
enum Adjacency {
/// Only calculate adjacency according to those objects that are on the same row.
Horizontal,
/// Only calculate adjacency according to those objects that are in the same column.
Vertical,
/// Calculate adjacency according to orthogonal rules. Two objects are adjacent if they are in
/// the same row or the same column.
Orthogonal,
/// Calculate adjacency according to how the King moves in Chess: one space in any direction is
/// adjacent.
Chess,
}
/// Which set of rules to use when calculating a distance on a square board.
enum DistanceTraversal {
/// Taxicab distance is calculated exactly along orthogonal lines, in the way that a taxi would
/// have to move in a city that is on a perfect square.
Taxicab,
/// Chess rules allow for diagonal movement in addition to handicap, similar to how a Queen
/// moves.
Chess,
/// Circular rules calculate actual distance based on a true circular calculation. Unlike Chess
/// rules (where a distance of 8 takes a queen from one corner of the board to another), under
/// Circular rules a distance of 8 along the diagonal would only take one between five and six
/// spaces along both the X and Y axis.
Circular,
}
// bounding function: filters out coordinates that are outside of the bounds of the board. What
// exactly that means depends on the bounding function and the extra rules injected into it.