From bc75b075ef59a6b3b04b8a7b060809b64e8886d0 Mon Sep 17 00:00:00 2001
From: Micha White <botahamec@outlook.com>
Date: Fri, 22 Dec 2023 10:02:53 -0500
Subject: Add SquareCoordinates methods

---
 model/src/board.rs       |  2 +-
 model/src/coordinates.rs | 59 +++++++++++++++++++++++++++++++++++++++++++-----
 model/src/moves.rs       |  4 ++--
 3 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/model/src/board.rs b/model/src/board.rs
index 7d61779..52d2b44 100644
--- a/model/src/board.rs
+++ b/model/src/board.rs
@@ -147,7 +147,7 @@ impl CheckersBitBoard {
 		if row > 32 || col > 32 {
 			None
 		} else {
-			let value = SquareCoordinate::new(row as u8, col as u8).to_value();
+			let value = SquareCoordinate::new(row as u8, col as u8).to_ampere_value();
 			if let Some(value) = value {
 				if self.piece_at(value) {
 					Some(Piece::new(
diff --git a/model/src/coordinates.rs b/model/src/coordinates.rs
index c821e1f..0f45322 100644
--- a/model/src/coordinates.rs
+++ b/model/src/coordinates.rs
@@ -8,16 +8,55 @@ pub struct SquareCoordinate {
 
 impl SquareCoordinate {
 	pub fn new(rank: u8, file: u8) -> Self {
-		if rank > 32 {
-			panic!("A Square cannot have a rank greater than 32. Got {}", rank)
-		} else if file > 32 {
-			panic!("A Square cannot have a file greater than 32. Got {}", file)
+		if rank > 8 {
+			panic!("A Square cannot have a rank greater than 8. Got {}", rank)
+		} else if file > 8 {
+			panic!("A Square cannot have a file greater than 8. Got {}", file)
 		} else {
 			Self { rank, file }
 		}
 	}
 
-	pub fn from_value(value: usize) -> Self {
+	pub fn from_normal_value(value: usize) -> Self {
+		static VALUE_COORDINATE_MAP: [SquareCoordinate; 32] = [
+			SquareCoordinate { rank: 0, file: 6 },
+			SquareCoordinate { rank: 0, file: 4 },
+			SquareCoordinate { rank: 0, file: 2 },
+			SquareCoordinate { rank: 0, file: 0 },
+			SquareCoordinate { rank: 1, file: 7 },
+			SquareCoordinate { rank: 1, file: 5 },
+			SquareCoordinate { rank: 1, file: 3 },
+			SquareCoordinate { rank: 1, file: 1 },
+			SquareCoordinate { rank: 2, file: 6 },
+			SquareCoordinate { rank: 2, file: 4 },
+			SquareCoordinate { rank: 2, file: 2 },
+			SquareCoordinate { rank: 2, file: 0 },
+			SquareCoordinate { rank: 3, file: 7 },
+			SquareCoordinate { rank: 3, file: 5 },
+			SquareCoordinate { rank: 3, file: 3 },
+			SquareCoordinate { rank: 3, file: 1 },
+			SquareCoordinate { rank: 4, file: 6 },
+			SquareCoordinate { rank: 4, file: 4 },
+			SquareCoordinate { rank: 4, file: 2 },
+			SquareCoordinate { rank: 4, file: 0 },
+			SquareCoordinate { rank: 5, file: 7 },
+			SquareCoordinate { rank: 5, file: 5 },
+			SquareCoordinate { rank: 5, file: 3 },
+			SquareCoordinate { rank: 5, file: 1 },
+			SquareCoordinate { rank: 6, file: 6 },
+			SquareCoordinate { rank: 6, file: 4 },
+			SquareCoordinate { rank: 6, file: 2 },
+			SquareCoordinate { rank: 6, file: 0 },
+			SquareCoordinate { rank: 7, file: 7 },
+			SquareCoordinate { rank: 7, file: 5 },
+			SquareCoordinate { rank: 7, file: 3 },
+			SquareCoordinate { rank: 7, file: 1 },
+		];
+
+		VALUE_COORDINATE_MAP[value]
+	}
+
+	pub fn from_ampere_value(value: usize) -> Self {
 		static VALUE_COORDINATE_MAP: [SquareCoordinate; 32] = [
 			SquareCoordinate { rank: 0, file: 6 },
 			SquareCoordinate { rank: 1, file: 7 },
@@ -64,7 +103,7 @@ impl SquareCoordinate {
 		self.file
 	}
 
-	pub fn to_value(self) -> Option<usize> {
+	pub fn to_ampere_value(self) -> Option<usize> {
 		if self.rank % 2 == 0 {
 			if self.file % 2 == 0 {
 				Some(((18 - ((self.file / 2) * 6)) + ((self.rank / 2) * 8)) as usize % 32)
@@ -91,6 +130,14 @@ impl SquareCoordinate {
 			None
 		}
 	}
+
+	pub fn to_normal_value(self) -> Option<usize> {
+		if self.rank % 2 == 0 {
+			Some(self.rank as usize * 4 + self.file as usize % 4)
+		} else {
+			Some(self.rank as usize * 4 + self.file as usize % 4 + 1)
+		}
+	}
 }
 
 impl Display for SquareCoordinate {
diff --git a/model/src/moves.rs b/model/src/moves.rs
index 525a35c..c266f77 100644
--- a/model/src/moves.rs
+++ b/model/src/moves.rs
@@ -131,8 +131,8 @@ impl Display for Move {
 		write!(
 			f,
 			"{}-{}",
-			SquareCoordinate::from_value(self.start() as usize),
-			SquareCoordinate::from_value(self.end_position())
+			SquareCoordinate::from_ampere_value(self.start() as usize),
+			SquareCoordinate::from_ampere_value(self.end_position())
 		)
 	}
 }
-- 
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