[Scummvm-cvs-logs] SF.net SVN: scummvm: [30326] scummvm/trunk/engines/agi/graphics.cpp

[buddha_ at users.sourceforge.net]

Revision: 30326
          http://scummvm.svn.sourceforge.net/scummvm/?rev=30326&view=rev
Author:   buddha_
Date:     2008-01-07 10:58:30 -0800 (Mon, 07 Jan 2008)

Log Message:
-----------
Reject AGIPAL-files with over 6 bits per color component. Makes at least fanmade AGI game Naturette II's colors not be messed up anymore.

Modified Paths:
--------------
    scummvm/trunk/engines/agi/graphics.cpp

Modified: scummvm/trunk/engines/agi/graphics.cpp
===================================================================
--- scummvm/trunk/engines/agi/graphics.cpp	2008-01-07 18:33:19 UTC (rev 30325)
+++ scummvm/trunk/engines/agi/graphics.cpp	2008-01-07 18:58:30 UTC (rev 30326)
@@ -864,6 +864,18 @@
 		return;
 	}
 
+	// Check that all components are maximum 6 bits (VGA used 6 bits per color component).
+	// Make's at least Naturette 2's colors not be messed up anymore (Naturette 2 provides
+	// AGIPAL-files that use 8 bits per color component. Haven't seen any other game that
+	// provides such files and don't know of *any* AGI interpreter that supports such files.
+	// So I presume they have been left over to Naturette 2's release file by accident).
+	for (int i = 0; i < 16 * 3; i++) {
+		if (_agipalPalette[i] >= (1 << 6)) {
+			warning("Invalid AGIPAL palette (Over 6 bits per color component) in '%s'. Not changing palette", filename);
+			return;
+		}
+	}
+
 	_agipalFileNum = p0;
 
 	initPalette(_agipalPalette);


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