From 550197e13a9aa00f17b40ddff2d877e52a9f1e9b Mon Sep 17 00:00:00 2001
From: curly <curlybryce@protonmail.com>
Date: Mon, 15 Aug 2022 17:10:34 -0600
Subject: updated TODO and implemented check_lines()

---
 src/lib.rs    |  1 +
 src/tetris.rs | 26 +++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index 03c67f3..bb9d97d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,6 +25,7 @@ impl Game {
         let mut tetris = tetris::Tetris::new();
         let mut piece = piece::Piece::random(piece::Pos(0,0));
         loop {
+            tetris.check_lines();
             piece.r#move(piece::Dir::Down, &tetris);
 
             // Check if piece is dead
diff --git a/src/tetris.rs b/src/tetris.rs
index aa9b883..cd88231 100644
--- a/src/tetris.rs
+++ b/src/tetris.rs
@@ -26,7 +26,31 @@ impl Tetris {
     // Check each row of the grid
     // If one is full, remove it and drop
     // the rest of the grid down
-    pub fn check_lines() {}
+    pub fn check_lines(&mut self) {
+        // While there are full lines, continue to iterate
+        let mut row = 19;
+        while row > 0 {
+            let mut c = 0;
+            for x in self.grid.get(row as usize).expect("Out of bounds") {
+                if *x == 1 {
+                    c += 1;
+                } else {
+                    row -= 1;
+                    continue
+                }
+            }
+
+            // If the line is full remove it and
+            // move everything down
+            if c == 10 {
+                self.grid.remove(row as usize);
+                self.grid.insert(0, vec![0; 10]);
+                continue;
+            }
+
+            row -= 1;
+        }
+    }
 
     pub fn get_grid_pos(&self, pos: piece::Pos) -> i8 {
         match self.grid.get(pos.0 as usize) {
-- 
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