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//
// $Id: HFlightPathState.m,v 1.2 1997/10/31 03:38:06 nygard Exp $
//
//
// This file is a part of Empire, a game of exploration and conquest.
// Copyright (C) 1996 Steve Nygard
//
// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// You may contact the author by:
// e-mail: nygard@telusplanet.net
//
#import "Empire.h"
RCSID ("$Id: HFlightPathState.m,v 1.2 1997/10/31 03:38:06 nygard Exp $");
#import "HFlightPathState.h"
#import "City.h"
#import "HSetFlightPathState.h"
#import "Human.h"
#import "MapPathView.h"
#import "PathSegment.h"
//======================================================================
// Show the currently set flight paths, and allow new ones to be
// created, or old ones to be removed.
//======================================================================
@implementation HFlightPathState
- initWithGameManager:(GameManager *)theGameManager
{
[super initWithGameManager:theGameManager];
sourceCity = nil;
return self;
}
//----------------------------------------------------------------------
- (void) dealloc
{
[super dealloc];
}
//======================================================================
// Subclass responsibilities
//======================================================================
- (NSString *) stateName
{
return @"Flight Paths";
}
//----------------------------------------------------------------------
- (NSString *) stateKey
{
return HS_FLIGHT_PATH;
}
//----------------------------------------------------------------------
- (void) stateEntered:(Human *)context
{
MapPathView *mapView = [context mapView];
NSMutableArray *pathList = [[NSMutableArray array] retain];
NSEnumerator *cityEnumerator = [[context cityList] objectEnumerator];
City *city;
// Set cursor
[mapView useDefaultCursor];
[mapView setCursorEnabled:YES];
// Disable both buttons
[context enableContinueButton:YES];
[context enableEndTurnButton:NO];
while (city = [cityEnumerator nextObject])
{
PathSegment *pathSegment = [city flightPathInMapView:mapView];
if (pathSegment != nil)
[pathList addObject:pathSegment];
}
[mapView usePathList:pathList];
sourceCity = nil;
}
//----------------------------------------------------------------------
- (void) continue:(Human *)context
{
MapPathView *mapView = [context mapView];
[mapView usePathList:nil];
[context restoreState];
}
//----------------------------------------------------------------------
- (void) mouseDown:(Human *)context:(unsigned int)modifierFlags atLocation:(EMMapLocation)target
{
EMMapLocation location;
[[context mapView] positionCursorAtLocation:target];
location.row = -1;
location.column = -1;
if (sourceCity != nil)
location = [sourceCity cityLocation];
if (sourceCity == nil)
{
sourceCity = [context cityAtLocation:target];
if (sourceCity != nil)
{
[self selectThing:context atLocation:target andInspect:YES];
}
}
else if (sourceCity != nil && (target.row != location.row || target.column != location.column))
{
[context changeState:HS_SET_FLIGHT_PATH];
// will also need a way to clear a flight path...
}
}
//----------------------------------------------------------------------
- (void) mouseUp:(Human *)context:(unsigned int)modifierFlags atLocation:(EMMapLocation)target
{
//[self selectThing:context at:row:col andInspect:YES];
sourceCity = nil;
}
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.