[Scummvm-cvs-logs] SF.net SVN: scummvm:[49700] scummvm/trunk/engines/drascula/graphics.cpp

[sev at users.sourceforge.net]

Revision: 49700
          http://scummvm.svn.sourceforge.net/scummvm/?rev=49700&view=rev
Author:   sev
Date:     2010-06-15 10:17:34 +0000 (Tue, 15 Jun 2010)

Log Message:
-----------
Drascula: Optimized blitting code.

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

Modified: scummvm/trunk/engines/drascula/graphics.cpp
===================================================================
--- scummvm/trunk/engines/drascula/graphics.cpp	2010-06-15 10:17:18 UTC (rev 49699)
+++ scummvm/trunk/engines/drascula/graphics.cpp	2010-06-15 10:17:34 UTC (rev 49700)
@@ -190,10 +190,16 @@
 	dest += xdes + ydes * 320;
 	src += xorg + yorg * 320;
 
-	for (y = 0; y < height; y++)
-		for (x = 0; x < width; x++)
-			if (src[x + y * 320] != 255)
-				dest[x + y * 320] = src[x + y * 320];
+	int ptr = 0;
+	for (y = 0; y < height; y++) {
+		for (x = 0; x < width; x++) {
+			if (src[ptr] != 255)
+				dest[ptr] = src[ptr];
+			ptr++;
+		}
+		ptr += 320 - width;
+	}
+		
 }
 
 void DrasculaEngine::updateScreen(int xorg, int yorg, int xdes, int ydes, int width, int height, byte *buffer) {


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