OOExhaustPlumeEntity.h

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/*
 
OOExhaustPlumeEntity.h
 
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
*/
 
#import "ShipEntity.h"
#import "OOTexture.h"
 
typedef struct
{
    double                  timeframe;      // universal time for this frame
    HPVector                    position;
    Quaternion              orientation;
    Vector                  k;              // direction vectors
} Frame;
 
 
enum
{
    kExhaustFrameCount = 16
};
 
 
@interface OOExhaustPlumeEntity: Entity <OOSubEntity>
{
@private
    Vector          _exhaustScale;
    OOHPScalar          _vertices[34 * 3];
    GLfloat         _glVertices[34 * 3];
    GLfloat         _exhaustBaseColors[34 * 4];
    Frame           _track[kExhaustFrameCount];
    OOTimeAbsolute  _trackTime;
    uint8_t         _nextFrame;
}
 
+ (id) exhaustForShip:(ShipEntity *)ship withDefinition:(NSArray *)definition andScale:(float)scale;
- (id) initForShip:(ShipEntity *)ship withDefinition:(NSArray *)definition andScale:(float)scale;
 
- (void) resetPlume;
 
- (Vector) scale;
- (void) setScale:(Vector)scale;
 
- (OOTexture *) texture;
 
+ (void) setUpTexture;
+ (OOTexture *) plumeTexture;
+ (void) resetGraphicsState;
 
@end
 
 
@interface Entity (OOExhaustPlume)
 
- (BOOL)isExhaust;
 
@end