bc97187a11
wormhole.arrivalTime wormhole.expiryTime wormhole.destination wormhole.origin entity.isWormhole
165 lines
3.6 KiB
Objective-C
165 lines
3.6 KiB
Objective-C
/*
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EntityOOJavaScriptExtensions.m
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Oolite
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Copyright (C) 2004-2013 Giles C Williams and contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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#import "EntityOOJavaScriptExtensions.h"
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#import "OOJSEntity.h"
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#import "OOJSShip.h"
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#import "OOJSStation.h"
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#import "StationEntity.h"
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#import "OOJSDock.h"
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#import "DockEntity.h"
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#import "OOPlanetEntity.h"
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#import "OOVisualEffectEntity.h"
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#import "OOJSVisualEffect.h"
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#import "WormholeEntity.h"
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#import "OOJSWormhole.h"
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@implementation Entity (OOJavaScriptExtensions)
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- (BOOL) isVisibleToScripts
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{
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return NO;
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}
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- (NSString *) oo_jsClassName
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{
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return @"Entity";
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}
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- (jsval) oo_jsValueInContext:(JSContext *)context
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{
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JSClass *class = NULL;
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JSObject *prototype = NULL;
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jsval result = JSVAL_NULL;
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if (_jsSelf == NULL && [self isVisibleToScripts])
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{
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// Create JS object
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[self getJSClass:&class andPrototype:&prototype];
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_jsSelf = JS_NewObject(context, class, prototype, NULL);
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if (_jsSelf != NULL)
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{
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if (!JS_SetPrivate(context, _jsSelf, OOConsumeReference([self weakRetain]))) _jsSelf = NULL;
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}
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if (_jsSelf != NULL)
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{
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OOJSAddGCObjectRoot(context, &_jsSelf, "Entity jsSelf");
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(deleteJSSelf)
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name:kOOJavaScriptEngineWillResetNotification
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object:[OOJavaScriptEngine sharedEngine]];
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}
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}
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if (_jsSelf != NULL) result = OBJECT_TO_JSVAL(_jsSelf);
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return result;
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// Analyzer: object leaked. [Expected, object is retained by JS object.]
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}
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- (void) getJSClass:(JSClass **)outClass andPrototype:(JSObject **)outPrototype
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{
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*outClass = JSEntityClass();
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*outPrototype = JSEntityPrototype();
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}
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- (void) deleteJSSelf
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{
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if (_jsSelf != NULL)
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{
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_jsSelf = NULL;
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JSContext *context = OOJSAcquireContext();
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JS_RemoveObjectRoot(context, &_jsSelf);
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OOJSRelinquishContext(context);
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[[NSNotificationCenter defaultCenter] removeObserver:self
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name:kOOJavaScriptEngineWillResetNotification
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object:[OOJavaScriptEngine sharedEngine]];
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}
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}
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@end
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@implementation ShipEntity (OOJavaScriptExtensions)
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- (BOOL) isVisibleToScripts
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{
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return YES;
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}
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- (void) getJSClass:(JSClass **)outClass andPrototype:(JSObject **)outPrototype
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{
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*outClass = JSShipClass();
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*outPrototype = JSShipPrototype();
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}
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- (NSString *) oo_jsClassName
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{
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return @"Ship";
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}
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- (NSArray *) subEntitiesForScript
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{
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return [[self shipSubEntityEnumerator] allObjects];
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}
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- (void) setTargetForScript:(ShipEntity *)target
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{
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ShipEntity *me = self;
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// Ensure coherence by not fiddling with subentities.
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while ([me isSubEntity])
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{
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if (me == [me owner] || [me owner] == nil) break;
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me = (ShipEntity *)[me owner];
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}
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while ([target isSubEntity])
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{
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if (target == [target owner] || [target owner] == nil) break;
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target = (ShipEntity *)[target owner];
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}
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if (![me isKindOfClass:[ShipEntity class]]) return;
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if (target != nil)
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{
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[me addTarget:target];
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}
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else [me removeTarget:[me primaryTarget]];
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}
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@end
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