From 84d2f43265e593fcb2a388e9f71ea8ccc06abd70 Mon Sep 17 00:00:00 2001
From: Lyu Zong-Hong <mousep.zhlyu@gmail.com>
Date: Sat, 6 Mar 2021 21:15:33 +0900
Subject: [PATCH] Fix crash issue in TextRenderer

---
 .../src/forge/assets/TextRenderer.java        | 39 ++++++++++++-------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/forge-gui-mobile/src/forge/assets/TextRenderer.java b/forge-gui-mobile/src/forge/assets/TextRenderer.java
index b9c1eebe24e..ad51fcf6ae6 100644
--- a/forge-gui-mobile/src/forge/assets/TextRenderer.java
+++ b/forge-gui-mobile/src/forge/assets/TextRenderer.java
@@ -437,22 +437,31 @@ public class TextRenderer {
                                 }
                             }
                         }
-                        Piece lastPiece = pieces.get(lastPieceIdx);
-                        lineWidths.add(lastPiece.x + lastPiece.w);
-                        x = 0;
-                        for (int j = lastPieceIdx + 1; j < pieces.size(); j++) {
-                            Piece piece = pieces.get(j);
-                            piece.x = x;
-                            piece.y += lineHeight;
-                            piece.lineNum++;
-                            x += piece.w;
-                        }
-                        y += lineHeight;
-                        totalHeight += lineHeight;
-                        lineNum++;
-                        if (totalHeight > height) {
-                            //try next font size down if out of space
+                        if (lastPieceIdx >= 0) {
+                            Piece lastPiece = pieces.get(lastPieceIdx);
+                            lineWidths.add(lastPiece.x + lastPiece.w);
+                            x = 0;
+                            for (int j = lastPieceIdx + 1; j < pieces.size(); j++) {
+                                Piece piece = pieces.get(j);
+                                piece.x = x;
+                                piece.y += lineHeight;
+                                piece.lineNum++;
+                                x += piece.w;
+                            }
+                            y += lineHeight;
+                            totalHeight += lineHeight;
+                            lineNum++;
+                            if (totalHeight > height) {
+                                //try next font size down if out of space
+                                if (font.canShrink()) {
+                                    updatePieces(font.shrink());
+                                    return;
+                                }
+                                needClip = true;
+                            }
+                        } else {
                             if (font.canShrink()) {
+                                //try next font size down if out of space
                                 updatePieces(font.shrink());
                                 return;
                             }