PlanetEntity.h

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/*
 
PlanetEntity.h
 
Entity subclass representing a planet or an atmosphere.
 
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 "OOStellarBody.h"
 
#if !NEW_PLANETS
 
#import "Entity.h"
#import "legacy_random.h"
#import "OOColor.h"
 
@class OOTexture;
 
 
#define MAX_TRI_INDICES         3*(20+80+320+1280+5120+20480)
#define MAX_PLANET_VERTICES     10400
 
 
typedef struct
{
    Vector                  vertex_array[MAX_PLANET_VERTICES + 2];
    GLfloat                 color_array[4*MAX_PLANET_VERTICES];
    GLfloat                 uv_array[2*MAX_PLANET_VERTICES];
    Vector                  normal_array[MAX_PLANET_VERTICES];
    GLuint                  index_array[MAX_TRI_INDICES];
} VertexData;
typedef struct {…};
 
 
#define PlanetEntity OOPlanetEntity
 
 
@interface PlanetEntity: Entity <OOStellarBody>
{
@private
    OOStellarBodyType      planet_type;
    
    uint8_t                 lastSubdivideLevel;
    BOOL                    useTexturedModel;
    BOOL                    isTextureImage;           // is the texture explicitly specified (as opposed to synthesized)?
    NSString                *_textureFileName;
    OOTexture              *_texture;
    
    int                     planet_seed;
    double                  polar_color_factor;
    
    double                  rotational_velocity;
    
    GLfloat                 amb_land[4];
    GLfloat                 amb_polar_land[4];
    GLfloat                 amb_sea[4];
    GLfloat                 amb_polar_sea[4];
    
    PlanetEntity            *atmosphere;          // secondary sphere used to show atmospheric details
    PlanetEntity            *root_planet;            // link back to owning planet (not retained)
    
    int                     shuttles_on_ground;           // starting number of shuttles
    double                  last_launch_time;           // space launches out by about 15 minutes
    double                  shuttle_launch_interval; // space launches out by about 15 minutes
    
    double                  sqrt_zero_distance;
    
    GLuint                  displayListNames[MAX_SUBDIVIDE];
    GLuint                  vertexCount;
    VertexData                vertexdata;
    
    Vector                  rotationAxis;
}
 
- (id) initFromDictionary:(NSDictionary*)dict withAtmosphere:(BOOL)atmo andSeed:(Random_Seed)p_seed;
- (void) miniaturize;
 
- (BOOL) setUpPlanetFromTexture:(NSString *)fileName;
 
- (int) planet_seed;
- (BOOL) isTextured;
- (BOOL) isExplicitlyTextured;      // Specified texture, not synthesized.
- (OOTexture *) texture;
- (NSString *) textureFileName;
 
- (double) polar_color_factor;
- (GLfloat *) amb_land;
- (GLfloat *) amb_polar_land;
- (GLfloat *) amb_sea;
- (GLfloat *) amb_polar_sea;
 
- (OOStellarBodyType) planetType;
- (void) setPlanetType:(OOStellarBodyType) pt;
 
 
- (double) radius;    // metres
- (void) setRadius:(GLfloat) rad;
- (double) rotationalVelocity;
- (void) setRotationalVelocity:(double) v;
 
- (BOOL) hasAtmosphere;
 
- (void) launchShuttle;
 
- (void) welcomeShuttle:(ShipEntity *) shuttle;
 
- (void) drawUnconditionally;
 
#ifndef NDEBUG
- (PlanetEntity *) atmosphere;
#endif
 
@end
 
 
#endif  // !NEW_PLANETS