Line data    Source code

       1           0 : /*
       2             : 
       3             : OOSunEntity.h
       4             : 
       5             : Entity subclass representing a sun.
       6             : 
       7             : Oolite
       8             : Copyright (C) 2004-2013 Giles C Williams and contributors
       9             : 
      10             : This program is free software; you can redistribute it and/or
      11             : modify it under the terms of the GNU General Public License
      12             : as published by the Free Software Foundation; either version 2
      13             : of the License, or (at your option) any later version.
      14             : 
      15             : This program is distributed in the hope that it will be useful,
      16             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      17             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      18             : GNU General Public License for more details.
      19             : 
      20             : You should have received a copy of the GNU General Public License
      21             : along with this program; if not, write to the Free Software
      22             : Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
      23             : MA 02110-1301, USA.
      24             : 
      25             : */
      26             : 
      27             : 
      28             : #import "OOPlanetEntity.h"
      29             : 
      30             : #import "Entity.h"
      31             : #import "legacy_random.h"
      32             : #import "OOColor.h"
      33             : 
      34             : 
      35           0 : #define SUN_CORONA_SAMPLES              729                     // Samples at half-degree intervals, with a bit of overlap.
      36           0 : #define MAX_CORONAFLARE                 600000.0        // nova flare
      37             : 
      38             : #ifndef SUN_DIRECT_VISION_GLARE
      39             : #define SUN_DIRECT_VISION_GLARE 1
      40             : #endif
      41             : 
      42             : #if SUN_DIRECT_VISION_GLARE
      43             : #define SUN_GLARE_MULT_FACTOR 3.0
      44             : #define SUN_GLARE_ADD_FACTOR (M_PI/16.0)
      45             : #define SUN_GLARE_CORONA_FACTOR 0.5f
      46             : #else
      47           0 : #define SUN_GLARE_CORONA_FACTOR 1.5
      48             : #endif
      49             : 
      50             : 
      51             : @class ShipEntity;
      52             : 
      53             : 
      54           0 : @interface OOSunEntity: Entity <OOStellarBody>
      55             : {
      56             : @private
      57             :         GLfloat                                 sun_diffuse[4];
      58           0 :         GLfloat                                 sun_specular[4];
      59           0 :         
      60             :         GLfloat                                 discColor[4];
      61           0 :         GLfloat                                 outerCoronaColor[4];
      62           0 :         
      63             :         GLfloat                                 cor16k, lim16k;
      64           0 :         
      65             :         double                                  corona_speed_factor;            // multiply delta_t by this before adding it to corona_stage
      66           0 :         double                                  corona_stage;                           // 0.0 -> 1.0
      67           0 :         GLfloat                                 rvalue[SUN_CORONA_SAMPLES];     // stores random values for adjusting colors in the corona
      68           0 :         float                                   corona_blending;
      69           0 : 
      70             :         GLuint         sunTriangles[3240*3];
      71           0 :         GLfloat sunVertices[1801*3];
      72           0 :         GLfloat sunColors[1801*4];
      73           0 : 
      74             :         OOTimeDelta                             _novaCountdown;
      75           0 :         OOTimeDelta                             _novaExpansionTimer;
      76           0 :         float                                   _novaExpansionRate;
      77           0 :         
      78             :         float                                   _sunBrightnessFactor;
      79           0 :         float                                   _sunCoronaAlphaFactor;
      80           0 : 
      81             :         NSString                                *_name;
      82           0 : }
      83             : 
      84             : - (id) initSunWithColor:(OOColor*)sun_color andDictionary:(NSDictionary*) dict;
      85           0 : - (BOOL) setSunColor:(OOColor*)sun_color;
      86           0 : - (BOOL) changeSunProperty:(NSString *)key withDictionary:(NSDictionary*) dict;
      87           0 : 
      88             : - (OOStellarBodyType) planetType;
      89           0 : 
      90             : - (void) getDiffuseComponents:(GLfloat[4])components;
      91           0 : - (void) getSpecularComponents:(GLfloat[4])components;
      92           0 : 
      93             : - (void) setRadius:(GLfloat) rad andCorona:(GLfloat)corona;
      94           0 : 
      95             : - (BOOL) willGoNova;
      96           0 : - (BOOL) goneNova;
      97           0 : - (void) setGoingNova:(BOOL) yesno inTime:(double)interval;
      98           0 : 
      99             : - (void) drawStarGlare;
     100           0 : - (void) drawDirectVisionSunGlare;
     101           0 : - (void) resetNova;
     102           0 : 
     103             : @end