From 3d17957234095520d473a96ae79bae3d897adcc5 Mon Sep 17 00:00:00 2001
From: Ishaan Bhardwaj <sashlilac109@gmail.com>
Date: Sat, 14 Nov 2020 23:50:55 -0500
Subject: [PATCH] Fixed Tetra-X anti-stall

---
 tetris/rulesets/tetra.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tetris/rulesets/tetra.lua b/tetris/rulesets/tetra.lua
index 25ebe8f..c72ace4 100644
--- a/tetris/rulesets/tetra.lua
+++ b/tetris/rulesets/tetra.lua
@@ -86,8 +86,21 @@ function Tetra:attemptWallkicks(piece, new_piece, rot_dir, grid)
 
 end
 
+function Tetra:checkNewLow(piece)
+        for _, block in pairs(piece:getBlockOffsets()) do
+                local y = piece.position.y + block.y
+                if y > piece.lowest_y then
+			piece.lock_delay = 0
+			piece.lowest_y = y
+                end
+        end
+end
+
+function Tetra:onPieceCreate(piece) piece.lowest_y = -math.huge end
+function Tetra:onPieceDrop(piece) self:checkNewLow(piece) end
 function Tetra:onPieceMove() end
 function Tetra:onPieceRotate() end
 function Tetra:get180RotationValue() return 2 end
 
 return Tetra
+