--- a/project_files/HedgewarsMobile/Classes/CommodityFunctions.h	Sat Nov 13 01:24:39 2010 +0100
+++ b/project_files/HedgewarsMobile/Classes/CommodityFunctions.h	Sat Nov 13 03:25:40 2010 +0100
@@ -70,3 +70,5 @@
 NSArray *getAvailableColors (void);
 UILabel *createBlueLabel (NSString *title, CGRect frame);
 UILabel *createLabelWithParams (NSString *title, CGRect frame, CGFloat borderWidth, UIColor *borderColor, UIColor *backgroundColor);
+
+CGSize PSPNGSizeFromMetaData (NSString *aFileName);

--- a/project_files/HedgewarsMobile/Classes/CommodityFunctions.m	Sat Nov 13 01:24:39 2010 +0100
+++ b/project_files/HedgewarsMobile/Classes/CommodityFunctions.m	Sat Nov 13 03:25:40 2010 +0100
@@ -142,3 +142,47 @@
     
     return theLabel;
 }
+
+// this routine checks for the PNG size without loading it in memory
+// https://github.com/steipete/PSFramework/blob/master/PSFramework%20Version%200.3/PhotoshopFramework/PSMetaDataFunctions.m
+CGSize PSPNGSizeFromMetaData (NSString *aFileName) {
+    // File Name to C String.
+    const char *fileName = [aFileName UTF8String];
+    // source file
+    FILE *infile = fopen(fileName, "rb");
+    if (infile == NULL) {
+        DLog(@"Can't open the file: %@", aFileName);
+        return CGSizeZero;
+    }
+
+    // Bytes Buffer.
+    unsigned char buffer[30];
+    // Grab Only First Bytes.
+    fread(buffer, 1, 30, infile);
+    // Close File.
+    fclose(infile);
+
+    // PNG Signature.
+    unsigned char png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10};
+
+    // Compare File signature.
+    if ((int)(memcmp(&buffer[0], &png_signature[0], 8))) {
+        DLog(@"The file (%@) is not a PNG file", aFileName);
+        return CGSizeZero;
+    }
+
+    // Calc Sizes. Isolate only four bytes of each size (width, height).
+    int width[4];
+    int height[4];
+    for (int d = 16; d < (16 + 4); d++) {
+        width[d-16] = buffer[d];
+        height[d-16] = buffer[d+4];
+    }
+
+    // Convert bytes to Long (Integer)
+    long resultWidth = (width[0] << (int)24) | (width[1] << (int)16) | (width[2] << (int)8) | width[3];
+    long resultHeight = (height[0] << (int)24) | (height[1] << (int)16) | (height[2] << (int)8) | height[3];
+
+    // Return Size.
+    return CGSizeMake(resultWidth,resultHeight);
+}

--- a/project_files/HedgewarsMobile/Classes/MapConfigViewController.m	Sat Nov 13 01:24:39 2010 +0100
+++ b/project_files/HedgewarsMobile/Classes/MapConfigViewController.m	Sat Nov 13 03:25:40 2010 +0100
@@ -350,19 +350,6 @@
     self.staticMapCommand = staticmap;
     self.missionCommand = mission;
 
-    // nice animation for updating the table when appropriate (on iphone)
-    /*
-    if (IS_IPAD() == NO)
-        if (((oldPage == 0 || oldPage == 2) && (newPage == 1 || newPage == 3)) ||
-            ((oldPage == 1 || oldPage == 3) && (newPage == 0 || newPage == 2)) ||
-            ((oldPage == 1 && newPage == 3) || (oldPage == 3 || newPage == 1))) {
-            self.tableView.frame = CGRectMake(480, 0, 185, 276);
-            [UIView beginAnimations:@"moving in table" context:NULL];
-            self.tableView.frame = CGRectMake(295, 0, 185, 276);
-            [UIView commitAnimations];
-        }
-    */
-
     [self.tableView reloadData];
     [self updatePreview];
     oldPage = newPage;
@@ -385,13 +372,36 @@
     [string release];
     // remove a trailing "" element
     [themeArray removeLastObject];
-    NSArray *mapArray = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MAPS_DIRECTORY() error:NULL];
-    NSArray *missionArray = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MISSIONS_DIRECTORY() error:NULL];
+    NSArray *mapArrayFull = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MAPS_DIRECTORY() error:NULL];
+    NSMutableArray *mapArray = [[NSMutableArray alloc] init];
+    for (NSString *str in mapArrayFull) {
+        CGSize imgSize = PSPNGSizeFromMetaData([MAPS_DIRECTORY() stringByAppendingFormat:@"%@/map.png",str]);
+        //DLog(@"%@ %f %f", str, imgSize.width, imgSize.height);
+        if (IS_NOT_POWERFUL() && imgSize.height > 1024.0f)
+            continue;
+        if (IS_IPAD() && imgSize.height > 1280.0f)
+            continue;
+        [mapArray addObject:str];
+    }
     
+    NSArray *missionArrayFull = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MISSIONS_DIRECTORY() error:NULL];
+    NSMutableArray *missionArray = [[NSMutableArray alloc] init];
+    for (NSString *str in missionArrayFull) {
+        CGSize imgSize = PSPNGSizeFromMetaData([MISSIONS_DIRECTORY() stringByAppendingFormat:@"%@/map.png",str]);
+        //DLog(@"%@ %f %f", str, imgSize.width, imgSize.height);
+        if (IS_NOT_POWERFUL() && imgSize.height > 1024.0f)
+            continue;
+        if (IS_IPAD() && imgSize.height > 1280.0f)
+            continue;
+        [missionArray addObject:str];
+    }
     NSArray *array = [[NSArray alloc] initWithObjects:themeArray,mapArray,themeArray,missionArray,nil];
+    [missionArray release];
+    [themeArray release];
+    [mapArray release];
+
     self.dataSourceArray = array;
     [array release];
-    [themeArray release];
 }
 
 -(void) viewDidLoad {
@@ -469,11 +479,9 @@
 -(void) didReceiveMemoryWarning {
     self.dataSourceArray = nil;
 
-    self.previewButton = nil;
     self.tableView = nil;
     self.maxLabel = nil;
     self.sizeLabel = nil;
-    self.segmentedControl = nil;
     self.slider = nil;
 
     MSG_MEMCLEAN();