ChipmunkSpace.h

/* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#define CHIPMUNK_SPACE_USE_HASTY_SPACE 1


@interface ChipmunkSpace : NSObject {
@protected
  struct cpSpace *_space;
  ChipmunkBody *_staticBody;
  
  NSMutableSet *_children;
  NSMutableArray *_handlers;
  
  id _userData;
}

@property(nonatomic, assign) int iterations;

@property(nonatomic, assign) cpVect gravity;

@property(nonatomic, assign) cpFloat damping;

@property(nonatomic, assign) cpFloat idleSpeedThreshold;

@property(nonatomic, assign) cpFloat sleepTimeThreshold;

@property(nonatomic, assign) cpFloat collisionSlop;

@property(nonatomic, assign) cpFloat collisionBias;

@property(nonatomic, assign) cpTimestamp collisionPersistence;

@property(nonatomic, readonly) cpSpace *space;

@property(nonatomic, readonly) ChipmunkBody *staticBody;

@property(nonatomic, readonly) cpFloat currentTimeStep;

@property(nonatomic, readonly) BOOL locked;

@property(nonatomic, assign) id userData;

+(ChipmunkSpace *)spaceFromCPSpace:(cpSpace *)space;

- (void)setDefaultCollisionHandler:(id)delegate
  begin:(SEL)begin
  preSolve:(SEL)preSolve
  postSolve:(SEL)postSolve
  separate:(SEL)separate;

- (void)addCollisionHandler:(id)delegate
  typeA:(cpCollisionType)a typeB:(cpCollisionType)b
  begin:(SEL)begin
  preSolve:(SEL)preSolve
  postSolve:(SEL)postSolve
  separate:(SEL)separate;


-(id)add:(NSObject<ChipmunkObject> *)obj;

-(id)remove:(NSObject<ChipmunkObject> *)obj;

-(BOOL)contains:(NSObject<ChipmunkObject> *)obj;

- (id)smartAdd:(NSObject<ChipmunkObject> *)obj;

- (id)smartRemove:(NSObject<ChipmunkObject> *)obj;

- (NSArray *)addBounds:(cpBB)bounds thickness:(cpFloat)radius
  elasticity:(cpFloat)elasticity friction:(cpFloat)friction
  filter:(cpShapeFilter)filter collisionType:(id)collisionType;


- (BOOL)addPostStepCallback:(id)target selector:(SEL)selector key:(id)key;

typedef void (^ChipmunkPostStepBlock)(void);

- (BOOL)addPostStepBlock:(ChipmunkPostStepBlock)block key:(id)key;

- (void)addPostStepAddition:(NSObject<ChipmunkObject> *)obj;

- (void)addPostStepRemoval:(NSObject<ChipmunkObject> *)obj;

- (NSArray *)pointQueryAll:(cpVect)point maxDistance:(cpFloat)maxDistance filter:(cpShapeFilter)filter;

- (ChipmunkPointQueryInfo *)pointQueryNearest:(cpVect)point maxDistance:(cpFloat)maxDistance filter:(cpShapeFilter)filter;

- (NSArray *)segmentQueryAllFrom:(cpVect)start to:(cpVect)end radius:(cpFloat)radius filter:(cpShapeFilter)filter;

- (ChipmunkSegmentQueryInfo *)segmentQueryFirstFrom:(cpVect)start to:(cpVect)end radius:(cpFloat)radius filter:(cpShapeFilter)filter;

- (NSArray *)bbQueryAll:(cpBB)bb filter:(cpShapeFilter)filter;

- (NSArray *)shapeQueryAll:(ChipmunkShape *)shape;

- (BOOL)shapeTest:(ChipmunkShape *)shape;

- (NSArray *)bodies;

- (NSArray *)shapes;

- (NSArray *)constraints;

- (void)reindexStatic;

- (void)reindexShape:(ChipmunkShape *)shape;

- (void)reindexShapesForBody:(ChipmunkBody *)body;

- (void)step:(cpFloat)dt;

@end


@interface ChipmunkHastySpace : ChipmunkSpace

@property(nonatomic, assign) NSUInteger threads;

@end


//MARK: Misc

#define CHIPMUNK_ARBITER_GET_SHAPES(__arb__, __a__, __b__) ChipmunkShape *__a__, *__b__; { \
  cpShape *__shapeA__, *__shapeB__; \
  cpArbiterGetShapes(__arb__, &__shapeA__, &__shapeB__); \
  __a__ = cpShapeGetUserData(__shapeA__); __b__ = cpShapeGetUserData(__shapeB__); \
}

#define CHIPMUNK_ARBITER_GET_BODIES(__arb__, __a__, __b__) ChipmunkBody *__a__, *__b__; { \
  cpBody *__bodyA__, *__bodyB__; \
  cpArbiterGetBodies(__arb__, &__bodyA__, &__bodyB__); \
  __a__ = cpBodyGetUserData(__bodyA__); __b__ = cpBodyGetUserData(__bodyB__); \
}