After experimenting with a long running average at maxed out FPS and a variety of map sizes, 128 seems to actually be a good size to use if only drawing bits of world with stuff in it. 64 actually did even better in some situations, but significantly worse in others (lots of land, zoomed out).
/*
* Hedgewars-iOS, a Hedgewars port for iOS devices
* Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#import <CoreGraphics/CoreGraphics.h>
#import <UIKit/UIKit.h>
#import "HedgewarsAppDelegate.h"
#import "AudioManagerController.h"
#import "ExtraCategories.h"
#import "UIImageExtra.h"
#import "PascalImports.h"
#import "DefinesAndMacros.h"
#import "EditableCellView.h"
#import "CreationChamber.h"
#import "HWUtils.h"
#import "hwconsts.h"
#endif