From c3da6b22c767d79970d98df181bf5eb89bf55b93 Mon Sep 17 00:00:00 2001
From: Joop Kiefte <ikojba@gmail.com>
Date: Sun, 20 Sep 2020 10:25:03 +0200
Subject: Add hold box

---
 tris/core.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'tris/core.go')

diff --git a/tris/core.go b/tris/core.go
index 6963294..089dca4 100644
--- a/tris/core.go
+++ b/tris/core.go
@@ -20,6 +20,7 @@ type Piece [4]uint16
 // A table that represents each piece from https://tetris.fandom.com/wiki/SRS
 // in binary starting with 1 top left going per row, here in hexadecimal shorthand.
 var (
+	EmptyPiece = Piece{}
 	IPiece = Piece{0x0F00, 0x4444, 0x00F0, 0x2222}
 	JPiece = Piece{0x1700, 0x6220, 0x0740, 0x2230}
 	LPiece = Piece{0x4700, 0x2260, 0x0710, 0x3220}
@@ -130,6 +131,7 @@ func (b Bag) Randomize() Bag {
 }
 
 func (b Bag) Pick() (Bag, Placement) {
+	Swapped = false
 	if len(b) == 0 {
 		b = NewBag()
 	}
-- 
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