define everthing I can think of

1 files changed, 71 insertions, 0 deletions

diff --git a/src/tetris/piece.rs b/src/tetris/piece.rs
new file mode 100644
index 0000000..a57b2bb
--- /dev/null
+++ b/src/tetris/piece.rs
@@ -0,0 +1,71 @@
+pub struct Pos(i8, i8);
+
+pub const UP: Pos = Pos(1,0);
+pub const DOWN: Pos = Pos(-1,0);
+pub const LEFT: Pos = Pos(0,-1);
+pub const RIGHT: Pos = Pos(0,1);
+
+pub enum Dir {
+    Up,
+    Down,
+    Left,
+    Right,
+}
+
+const NORMALL: [[i8; 3]; 3] = [[0,1,0],[0,1,0],[0,1,1]];
+const REVERSEL: [[i8; 3]; 3] = [[0,1,0],[0,1,0],[1,1,0]];
+const CUBE: [[i8; 3]; 3] = [[0,1,1],[0,1,1],[0,0,0]];
+const TEE: [[i8; 3]; 3] = [[0,1,0],[1,1,1],[0,0,0]];
+const DIAG: [[i8; 3]; 3] = [[0,1,1],[1,1,0],[0,0,0]];
+const REVERSEDIAG: [[i8; 3]; 3] = [[1,1,0],[0,1,1],[0,0,0]];
+
+enum Pieces {
+    NormalL,
+    ReverseL,
+    Cube,
+    Tee,
+    Diag,
+    ReverseDiag,
+}
+
+pub struct Piece {
+    area: [[i8; 3]; 3], // A static 3x3 area
+    position: Pos,
+    origin: Pos,
+    alive: bool,
+}
+impl Piece {
+    pub fn new() -> Piece {
+        Piece{
+            area: NORMALL,
+            position: Pos(0,5),
+            origin: Pos(1,1),
+            alive: true,
+        }
+    }
+
+    // Like new(), but return a random piece
+    // out of the enum Pieces
+    pub fn random() -> Piece {
+        Piece{
+            area: NORMALL,
+            position: Pos(0,5),
+            origin: Pos(1,1),
+            alive: true,
+        }
+    }
+
+    // Using a grid and a direction;
+    // See if the new position would hit
+    // something in the grid
+    // If so, return err
+    // otherwise return Some(Pos)
+    fn hit_detect(&self, grid: &Vec<Vec<i8>>) -> Option<Pos> {
+        None
+    }
+
+    // Return false if the piece cannot move
+    pub fn r#move(&self, dir: Dir) -> bool {
+        false
+    }
+}
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