From 0ec258f5ffcfe75ad5e83f32c7b1b841280bc654 Mon Sep 17 00:00:00 2001
From: Adrian Frühwirth
Date: Sun, 11 Feb 2018 11:58:26 +0100
Subject: TUCKER: Fix original game glitch in Bud animation sequence 8

Fixes Trac#10430.
---
 engines/tucker/resource.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'engines/tucker')

diff --git a/engines/tucker/resource.cpp b/engines/tucker/resource.cpp
index 2fe26fae28..82be9abafc 100644
--- a/engines/tucker/resource.cpp
+++ b/engines/tucker/resource.cpp
@@ -430,10 +430,20 @@ int TuckerEngine::loadCTable01(int *framesCount) {
 				continue;
 			}
 			const int y = t.getNextInteger();
-			SpriteFrame *c = &_spriteFramesTable[lastSpriteNum++];
+			SpriteFrame *c = &_spriteFramesTable[lastSpriteNum];
 			c->_sourceOffset = y * 320 + x;
 			c->_xSize = t.getNextInteger();
 			c->_ySize = t.getNextInteger();
+
+			// WORKAROUND: original game glitch
+			// The sprite grab animation table incorrectly states a height of 24
+			// pixels for sprite number 57 while the correct size is 54 pixels.
+			// This fixes a glitch in animation sequence 8 (the only to use sprite 57)
+			// which gets triggered when picking up the nail in front of the museum.
+			// Fixes Trac#10430
+			if (lastSpriteNum == 57)
+				c->_ySize = 54;
+
 			c->_xOffset = t.getNextInteger();
 			if (c->_xOffset > 300) {
 				c->_xOffset -= 500;
@@ -442,6 +452,7 @@ int TuckerEngine::loadCTable01(int *framesCount) {
 			if (c->_yOffset > 300) {
 				c->_yOffset -= 500;
 			}
+			++lastSpriteNum;
 		}
 	}
 	framesCount[count] = -1;
-- 
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