Universe.h

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/*
 
Universe.h
 
Manages a lot of stuff that isn't managed somewhere else.
 
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 "OOCocoa.h"
#import "OOOpenGL.h"
#import "OOShaderProgram.h"
#import "legacy_random.h"
#import "OOMaths.h"
#import "OOColor.h"
#import "OOWeakReference.h"
#import "OOTypes.h"
#import "OOSound.h"
#import "OOJSPropID.h"
#import "OOStellarBody.h"
#import "OOEntityWithDrawable.h"
#import "OOCommodities.h"
#import "OOSystemDescriptionManager.h"
 
#if OOLITE_ESPEAK
#include <espeak/speak_lib.h>
#endif
 
@class  GameController, CollisionRegion, MyOpenGLView, GuiDisplayGen,
    Entity, ShipEntity, StationEntity, OOPlanetEntity, OOSunEntity,
    OOVisualEffectEntity, PlayerEntity, OORoleSet, WormholeEntity, 
    DockEntity, OOJSScript, OOWaypointEntity, OOSystemDescriptionManager;
 
 
typedef BOOL (*EntityFilterPredicate)(Entity *entity, void *parameter);
 
#ifndef OO_SCANCLASS_TYPE
#define OO_SCANCLASS_TYPE
typedef enum OOScanClass OOScanClass;
#endif
 
 
#define CROSSHAIR_SIZE                      32.0
 
enum
{
    MARKET_NAME                         = 0,
    MARKET_QUANTITY                     = 1,
    MARKET_PRICE                            = 2,
    MARKET_BASE_PRICE                       = 3,
    MARKET_ECO_ADJUST_PRICE             = 4,
    MARKET_ECO_ADJUST_QUANTITY              = 5,
    MARKET_BASE_QUANTITY                    = 6,
    MARKET_MASK_PRICE                       = 7,
    MARKET_MASK_QUANTITY                    = 8,
    MARKET_UNITS                            = 9
};
 
 
enum
{
    EQUIPMENT_TECH_LEVEL_INDEX              = 0,
    EQUIPMENT_PRICE_INDEX                   = 1,
    EQUIPMENT_SHORT_DESC_INDEX              = 2,
    EQUIPMENT_KEY_INDEX                 = 3,
    EQUIPMENT_LONG_DESC_INDEX               = 4,
    EQUIPMENT_EXTRA_INFO_INDEX              = 5
};
 
 
enum
{
    OO_POSTFX_NONE                      = 0,
    OO_POSTFX_COLORBLINDNESS_PROTAN,
    OO_POSTFX_COLORBLINDNESS_DEUTER,
    OO_POSTFX_COLORBLINDNESS_TRITAN,
    OO_POSTFX_CLOAK,
    OO_POSTFX_GRAYSCALE,
    OO_POSTFX_OLDMOVIE,
    OO_POSTFX_CRT,
    OO_POSTFX_ENDOFLIST // keep this for last
};
 
 
#define SHADERS_MIN SHADERS_OFF
 
 
#define MAX_MESSAGES                        5
 
#define PROXIMITY_WARN_DISTANCE             4 // Eric 2010-10-17: old value was 20.0
#define PROXIMITY_WARN_DISTANCE2            (PROXIMITY_WARN_DISTANCE * PROXIMITY_WARN_DISTANCE)
#define PROXIMITY_AVOID_DISTANCE_FACTOR     10.0
#define SAFE_ADDITION_FACTOR2               800 // Eric 2010-10-17: used to be "2 * PROXIMITY_WARN_DISTANCE2"
 
#define SUN_SKIM_RADIUS_FACTOR              1.15470053838   // 2 sqrt(3) / 3. Why? I have no idea. -- Ahruman 2009-10-04
#define SUN_SPARKS_RADIUS_FACTOR            2.0
 
#define KEY_TECHLEVEL                       @"techlevel"
#define KEY_ECONOMY                         @"economy"
#define KEY_ECONOMY_DESC                    @"economy_description"
#define KEY_GOVERNMENT                      @"government"
#define KEY_GOVERNMENT_DESC                 @"government_description"
#define KEY_POPULATION                      @"population"
#define KEY_POPULATION_DESC                 @"population_description"
#define KEY_PRODUCTIVITY                    @"productivity"
#define KEY_RADIUS                          @"radius"
#define KEY_NAME                            @"name"
#define KEY_INHABITANT                      @"inhabitant"
#define KEY_INHABITANTS                     @"inhabitants"
#define KEY_DESCRIPTION                     @"description"
#define KEY_SHORT_DESCRIPTION               @"short_description"
#define KEY_PLANETNAME                      @"planet_name"
#define KEY_SUNNAME                         @"sun_name"
 
#define KEY_CHANCE                          @"chance"
#define KEY_PRICE                           @"price"
#define KEY_OPTIONAL_EQUIPMENT              @"optional_equipment"
#define KEY_STANDARD_EQUIPMENT              @"standard_equipment"
#define KEY_EQUIPMENT_MISSILES              @"missiles"
#define KEY_EQUIPMENT_FORWARD_WEAPON        @"forward_weapon_type"
#define KEY_EQUIPMENT_AFT_WEAPON            @"aft_weapon_type"
#define KEY_EQUIPMENT_PORT_WEAPON           @"port_weapon_type"
#define KEY_EQUIPMENT_STARBOARD_WEAPON      @"starboard_weapon_type"
#define KEY_EQUIPMENT_EXTRAS                @"extras"
#define KEY_WEAPON_FACINGS                  @"weapon_facings"
#define KEY_RENOVATION_MULTIPLIER                   @"renovation_multiplier"
 
#define SHIPYARD_KEY_ID                     @"id"
#define SHIPYARD_KEY_SHIPDATA_KEY           @"shipdata_key"
#define SHIPYARD_KEY_SHIP                   @"ship"
#define SHIPYARD_KEY_PRICE                  @"price"
#define SHIPYARD_KEY_PERSONALITY            @"personality"
// default passenger berth required space
#define PASSENGER_BERTH_SPACE               5
 
#define PLANETINFO_UNIVERSAL_KEY            @"universal"
#define PLANETINFO_INTERSTELLAR_KEY         @"interstellar space"
 
#define OOLITE_EXCEPTION_LOOPING            @"OoliteLoopingException"
#define OOLITE_EXCEPTION_DATA_NOT_FOUND     @"OoliteDataNotFoundException"
#define OOLITE_EXCEPTION_FATAL              @"OoliteFatalException"
 
// the distance the sky backdrop is from the camera
// though it appears at infinity
#define BILLBOARD_DEPTH                     75000.0
 
#define TIME_ACCELERATION_FACTOR_MIN        0.0625f
#define TIME_ACCELERATION_FACTOR_DEFAULT    1.0f
#define TIME_ACCELERATION_FACTOR_MAX        16.0f
 
#define DEMO_LIGHT_POSITION 5000.0f, 25000.0f, -10000.0f
 
#define MIN_DISTANCE_TO_BUOY            750.0f // don't add ships within this distance
#define MIN_DISTANCE_TO_BUOY2           (MIN_DISTANCE_TO_BUOY * MIN_DISTANCE_TO_BUOY)
 
// if this is changed, also change oolite-populator.js
// once this number has been in a stable release, cannot easily be changed
#define SYSTEM_REPOPULATION_INTERVAL 20.0f;
 
#ifndef OO_LOCALIZATION_TOOLS
#define OO_LOCALIZATION_TOOLS   1
#endif
 
#ifndef MASS_DEPENDENT_FUEL_PRICES
#define MASS_DEPENDENT_FUEL_PRICES  1
#endif
 
 
@interface Universe: OOWeakRefObject
{
@public
    // use a sorted list for drawing and other activities
    Entity                  *sortedEntities[UNIVERSE_MAX_ENTITIES + 1]; // One extra for padding; see -doRemoveEntity:.
    unsigned                n_entities;
    
    int                     cursor_row;
    
    // collision optimisation sorted lists
    Entity                  *x_list_start, *y_list_start, *z_list_start;
    
    GLfloat                 stars_ambient[4];
    
@private
    NSUInteger              _sessionID;
    
    // colors
    GLfloat                 sun_diffuse[4];
    GLfloat                 sun_specular[4];
 
    OOViewID                viewDirection;
    
    OOMatrix                viewMatrix;
    
    GLfloat                 airResistanceFactor;
    
    MyOpenGLView            *gameView;
    
    int                     next_universal_id;
    Entity                  *entity_for_uid[MAX_ENTITY_UID];
 
    NSMutableArray          *entities;
    
    OOWeakReference         *_firstBeacon,
                            *_lastBeacon;
    NSMutableDictionary     *waypoints;
 
    GLfloat                 skyClearColor[4];
    
    NSString                *currentMessage;
    OOTimeAbsolute          messageRepeatTime;
    OOTimeAbsolute          countdown_messageRepeatTime;    // Getafix(4/Aug/2010) - Quickfix countdown messages colliding with weapon overheat messages.
                                    //                       For proper handling of message dispatching, code refactoring is needed.
    GuiDisplayGen           *gui;
    GuiDisplayGen           *message_gui;
    GuiDisplayGen           *comm_log_gui;
    
    BOOL                    displayGUI;
    BOOL                    wasDisplayGUI;
    
    BOOL                    autoSaveNow;
    BOOL                    autoSave;
    BOOL                    wireframeGraphics;
    OOGraphicsDetail        detailLevel;
// Above entry replaces these two
//  BOOL                    reducedDetail;
//  OOShaderSetting         shaderEffectsLevel;
    
    BOOL                    displayFPS;     
            
    OOTimeAbsolute          universal_time;
    OOTimeDelta             time_delta;
    
    OOTimeAbsolute          demo_stage_time;
    OOTimeAbsolute          demo_start_time;
    GLfloat                 demo_start_z;
    int                     demo_stage;
    NSUInteger              demo_ship_index;
    NSUInteger              demo_ship_subindex;
    NSArray                 *demo_ships;
    
    GLfloat                 main_light_position[4];
    
    BOOL                    dumpCollisionInfo;
    
    OOCommodities           *commodities;
    OOCommodityMarket       *commodityMarket;
 
 
    NSDictionary            *_descriptions;         // holds descriptive text for lots of stuff, loaded at initialisation
    NSDictionary            *customSounds;          // holds descriptive audio for lots of stuff, loaded at initialisation
    NSDictionary            *characters;            // holds descriptons of characters
    NSArray                 *_scenarios;            // game start scenarios
    NSDictionary            *globalSettings;        // miscellaneous global game settings
    OOSystemDescriptionManager  *systemManager; // planetinfo data manager
    NSDictionary            *missiontext;           // holds descriptive text for missions, loaded at initialisation
    NSArray                 *equipmentData;         // holds data on available equipment, loaded at initialisation
    NSArray                 *equipmentDataOutfitting;
//  NSSet                   *pirateVictimRoles;     // Roles listed in pirateVictimRoles.plist.
    NSDictionary            *roleCategories;        // Categories for roles from role-categories.plist, extending the old pirate-victim-roles.plist
    NSDictionary            *autoAIMap;             // Default AIs for roles from autoAImap.plist.
    NSDictionary            *screenBackgrounds;     // holds filenames for various screens backgrounds, loaded at initialisation
    NSDictionary            *explosionSettings;     // explosion settings from explosions.plist
 
    NSDictionary      *cargoPods; // template cargo pods
 
    OOGalaxyID              galaxyID;
    OOSystemID              systemID;
    OOSystemID              targetSystemID;
    
    NSString                *system_names[256];     // hold pregenerated universe info
    BOOL                    system_found[256];      // holds matches for input strings
    
    int                     breakPatternCounter;
    
    ShipEntity              *demo_ship;
    
    StationEntity           *cachedStation;
    OOPlanetEntity          *cachedPlanet;
    OOSunEntity             *cachedSun;
    NSMutableArray          *allPlanets;
    NSMutableSet            *allStations;
    
    float                   ambientLightLevel;
    
    NSMutableDictionary     *populatorSettings;
    OOTimeDelta     next_repopulation;
    NSString        *system_repopulator;
    BOOL            deterministic_population;
 
    NSArray                 *closeSystems;
    
    NSString                *useAddOns;
    
    BOOL                    no_update;
    
#ifndef NDEBUG
    double                  timeAccelerationFactor;
#endif
    
    NSMutableArray          *activeWormholes;
    
    NSMutableArray          *characterPool;
    
    CollisionRegion         *universeRegion;
    
    // check and maintain linked lists occasionally
    BOOL                    doLinkedListMaintenanceThisUpdate;
    
    NSMutableSet            *entitiesDeadThisUpdate;
    int                     framesDoneThisUpdate;
    
#if OOLITE_SPEECH_SYNTH
#if OOLITE_MAC_OS_X
    NSSpeechSynthesizer     *speechSynthesizer;
#elif OOLITE_ESPEAK
    const espeak_VOICE      **espeak_voices;
    unsigned int            espeak_voice_count;
#endif
    NSArray                 *speechArray;
#endif
    
#if NEW_PLANETS
    NSMutableArray          *_preloadingPlanetMaterials;
#endif
    BOOL                    doProcedurallyTexturedPlanets;
    
    GLfloat                 frustum[6][4];
    
    NSMutableDictionary     *conditionScripts;
    
    BOOL                    _pauseMessage;
    BOOL                    _autoCommLog;
    BOOL                    _permanentCommLog;
    BOOL                    _autoMessageLogBg;
    BOOL                    _permanentMessageLog;
    BOOL                    _witchspaceBreakPattern;
    BOOL                    _dockingClearanceProtocolActive;
    BOOL                    _doingStartUp;
 
    GLuint                  msaaTextureID;
    GLuint                  targetTextureID;
    GLuint                  passthroughTextureID[2];
    NSSize                  targetFramebufferSize;
    GLuint                  msaaFramebufferID;
    GLuint                  msaaDepthBufferID;
    GLuint                  targetDepthBufferID;
    GLuint                  targetFramebufferID;
    GLuint                  passthroughFramebufferID;
    OOShaderProgram         *textureProgram;
    OOShaderProgram         *blurProgram;
    OOShaderProgram         *finalProgram;
    GLuint                  quadTextureVBO, quadTextureVAO, quadTextureEBO;
    GLint                   defaultDrawFBO;
    GLuint                  pingpongFBO[2];
    GLuint                  pingpongColorbuffers[2];
    BOOL                    _bloom;
    int                 _currentPostFX;
    int                 _colorblindMode;
}
 
- (BOOL) bloom;
- (void) setBloom: (BOOL)newBloom;
 
- (int) currentPostFX;
- (void) setCurrentPostFX: (int) newCurrentPostFX;
 
- (id)initWithGameView:(MyOpenGLView *)gameView;
 
// SessionID: a value that's incremented when the game is reset.
- (NSUInteger) sessionID;
 
- (BOOL) doProcedurallyTexturedPlanets;
- (void) setDoProcedurallyTexturedPlanets:(BOOL) value;
 
- (NSString *) useAddOns;
- (BOOL) setUseAddOns:(NSString *)newUse fromSaveGame: (BOOL)saveGame;
- (BOOL) setUseAddOns:(NSString *) newUse fromSaveGame:(BOOL) saveGame forceReinit:(BOOL)force;
 
- (void) setUpSettings;
 
- (BOOL) reinitAndShowDemo:(BOOL)showDemo;
 
- (BOOL) doingStartUp;  // True during initial game startup (not reset).
 
- (NSUInteger) entityCount;
#ifndef NDEBUG
- (void) debugDumpEntities;
- (NSArray *) entityList;
#endif
 
- (void) pauseGame;
 
- (void) carryPlayerOn:(StationEntity*)carrier inWormhole:(WormholeEntity*)wormhole;
- (void) setUpUniverseFromStation;
- (void) setUpUniverseFromWitchspace;
- (void) setUpUniverseFromMisjump;
- (void) setUpWitchspace;
- (void) setUpWitchspaceBetweenSystem:(OOSystemID)s1 andSystem:(OOSystemID)s2;
- (void) setUpSpace;
- (void) populateNormalSpace;
- (void) clearSystemPopulator;
- (BOOL) deterministicPopulation;
- (void) populateSystemFromDictionariesWithSun:(OOSunEntity *)sun andPlanet:(OOPlanetEntity *)planet;
- (NSDictionary *) getPopulatorSettings;
- (void) setPopulatorSetting:(NSString *)key to:(NSDictionary *)setting;
- (HPVector) locationByCode:(NSString *)code withSun:(OOSunEntity *)sun andPlanet:(OOPlanetEntity *)planet;
- (void) setAmbientLightLevel:(float)newValue;
- (float) ambientLightLevel;
- (void) setLighting;
- (void) forceLightSwitch;
- (void) setMainLightPosition: (Vector) sunPos;
- (OOPlanetEntity *) setUpPlanet;
 
- (void) makeSunSkimmer:(ShipEntity *) ship andSetAI:(BOOL)setAI;
- (void) addShipWithRole:(NSString *) desc nearRouteOneAt:(double) route_fraction;
- (HPVector) coordinatesForPosition:(HPVector) pos withCoordinateSystem:(NSString *) system returningScalar:(GLfloat*) my_scalar;
- (NSString *) expressPosition:(HPVector) pos inCoordinateSystem:(NSString *) system;
- (HPVector) legacyPositionFrom:(HPVector) pos asCoordinateSystem:(NSString *) system;
- (HPVector) coordinatesFromCoordinateSystemString:(NSString *) system_x_y_z;
- (BOOL) addShipWithRole:(NSString *) desc nearPosition:(HPVector) pos withCoordinateSystem:(NSString *) system;
- (BOOL) addShips:(int) howMany withRole:(NSString *) desc atPosition:(HPVector) pos withCoordinateSystem:(NSString *) system;
- (BOOL) addShips:(int) howMany withRole:(NSString *) desc nearPosition:(HPVector) pos withCoordinateSystem:(NSString *) system;
- (BOOL) addShips:(int) howMany withRole:(NSString *) desc nearPosition:(HPVector) pos withCoordinateSystem:(NSString *) system withinRadius:(GLfloat) radius;
- (BOOL) addShips:(int) howMany withRole:(NSString *) desc intoBoundingBox:(BoundingBox) bbox;
- (BOOL) spawnShip:(NSString *) shipdesc;
- (void) witchspaceShipWithPrimaryRole:(NSString *)role;
- (ShipEntity *) spawnShipWithRole:(NSString *) desc near:(Entity *) entity;
 
- (OOVisualEffectEntity *) addVisualEffectAt:(HPVector)pos withKey:(NSString *)key;
- (ShipEntity *) addShipAt:(HPVector)pos withRole:(NSString *)role withinRadius:(GLfloat)radius;
- (NSArray *) addShipsAt:(HPVector)pos withRole:(NSString *)role quantity:(unsigned)count withinRadius:(GLfloat)radius asGroup:(BOOL)isGroup;
- (NSArray *) addShipsToRoute:(NSString *)route withRole:(NSString *)role quantity:(unsigned)count routeFraction:(double)routeFraction asGroup:(BOOL)isGroup;
 
- (BOOL) roleIsPirateVictim:(NSString *)role;
- (BOOL) role:(NSString *)role isInCategory:(NSString *)category;
 
- (void) forceWitchspaceEntries;
- (void) addWitchspaceJumpEffectForShip:(ShipEntity *)ship;
- (GLfloat) safeWitchspaceExitDistance;
 
- (void) setUpBreakPattern:(HPVector)pos orientation:(Quaternion)q forDocking:(BOOL)forDocking;
- (BOOL) witchspaceBreakPattern;
- (void) setWitchspaceBreakPattern:(BOOL)newValue;
 
- (BOOL) dockingClearanceProtocolActive;
- (void) setDockingClearanceProtocolActive:(BOOL)newValue;
 
- (void) handleGameOver;
 
- (void) setupIntroFirstGo:(BOOL)justCobra;
- (void) selectIntro2Previous;
- (void) selectIntro2Next;
- (void) selectIntro2PreviousCategory;
- (void) selectIntro2NextCategory;
 
- (StationEntity *) station;
- (OOPlanetEntity *) planet;
- (OOSunEntity *) sun;
- (NSArray *) planets;  // Note: does not include sun.
- (NSArray *) stations; // includes main station
- (NSArray *) wormholes; 
- (StationEntity *) stationWithRole:(NSString *)role andPosition:(HPVector)position;
 
// Turn main station into just another station, for blowUpStation.
- (void) unMagicMainStation;
// find a valid station in interstellar space
- (StationEntity *) stationFriendlyTo:(ShipEntity *) ship;
 
- (void) resetBeacons;
- (Entity <OOBeaconEntity> *) firstBeacon;
- (Entity <OOBeaconEntity> *) lastBeacon;
- (void) setNextBeacon:(Entity <OOBeaconEntity> *) beaconShip;
- (void) clearBeacon:(Entity <OOBeaconEntity> *) beaconShip;
 
- (NSDictionary *) currentWaypoints;
- (void) defineWaypoint:(NSDictionary *)definition forKey:(NSString *)key;
 
- (GLfloat *) skyClearColor;
// Note: the alpha value is also air resistance!
- (void) setSkyColorRed:(GLfloat)red green:(GLfloat)green blue:(GLfloat)blue alpha:(GLfloat)alpha;
 
- (BOOL) breakPatternOver;
- (BOOL) breakPatternHide;
 
- (NSString *) randomShipKeyForRoleRespectingConditions:(NSString *)role;
- (ShipEntity *) newShipWithRole:(NSString *)role OO_RETURNS_RETAINED;      // Selects ship using role weights, applies auto_ai, respects conditions
- (ShipEntity *) newShipWithName:(NSString *)shipKey OO_RETURNS_RETAINED;   // Does not apply auto_ai or respect conditions
- (ShipEntity *) newSubentityWithName:(NSString *)shipKey andScaleFactor:(float)scale OO_RETURNS_RETAINED;  // Does not apply auto_ai or respect conditions
- (OOVisualEffectEntity *) newVisualEffectWithName:(NSString *)effectKey OO_RETURNS_RETAINED;
- (DockEntity *) newDockWithName:(NSString *)shipKey andScaleFactor:(float)scale OO_RETURNS_RETAINED;   // Does not apply auto_ai or respect conditions
- (ShipEntity *) newShipWithName:(NSString *)shipKey usePlayerProxy:(BOOL)usePlayerProxy OO_RETURNS_RETAINED;   // If usePlayerProxy, non-carriers are instantiated as ProxyPlayerEntity.
- (ShipEntity *) newShipWithName:(NSString *)shipKey usePlayerProxy:(BOOL)usePlayerProxy isSubentity:(BOOL)isSubentity OO_RETURNS_RETAINED;
- (ShipEntity *) newShipWithName:(NSString *)shipKey usePlayerProxy:(BOOL)usePlayerProxy isSubentity:(BOOL)isSubentity andScaleFactor:(float)scale OO_RETURNS_RETAINED;
 
- (Class) shipClassForShipDictionary:(NSDictionary *)dict;
 
- (NSString *)defaultAIForRole:(NSString *)role;        // autoAImap.plist lookup
 
- (OOCargoQuantity) maxCargoForShip:(NSString *) desc;
 
- (OOCreditsQuantity) getEquipmentPriceForKey:(NSString *) eq_key;
 
- (OOCommodities *) commodities;
 
- (ShipEntity *) reifyCargoPod:(ShipEntity *)cargoObj;
- (ShipEntity *) cargoPodFromTemplate:(ShipEntity *)cargoObj;
- (NSArray *) getContainersOfGoods:(OOCargoQuantity)how_many scarce:(BOOL)scarce legal:(BOOL)legal;
- (NSArray *) getContainersOfCommodity:(OOCommodityType) commodity_name :(OOCargoQuantity) how_many;
- (void) fillCargopodWithRandomCargo:(ShipEntity *)cargopod;
 
- (NSString *) getRandomCommodity;
- (OOCargoQuantity) getRandomAmountOfCommodity:(OOCommodityType) co_type;
 
- (NSDictionary *) commodityDataForType:(OOCommodityType)type;
- (NSString *) displayNameForCommodity:(OOCommodityType)co_type;
- (NSString *) describeCommodity:(OOCommodityType)co_type amount:(OOCargoQuantity) co_amount;
 
- (void) setGameView:(MyOpenGLView *)view;
- (MyOpenGLView *) gameView;
- (GameController *) gameController;
- (NSDictionary *) gameSettings;
 
- (void) useGUILightSource:(BOOL)GUILight;
 
- (void) drawUniverse;
 
- (void) defineFrustum;
- (BOOL) viewFrustumIntersectsSphereAt:(Vector)position withRadius:(GLfloat)radius;
 
- (void) drawMessage;
 
- (void) drawWatermarkString:(NSString *)watermarkString;
 
// Used to draw subentities. Should be getting this from camera.
- (OOMatrix) viewMatrix;
 
- (id) entityForUniversalID:(OOUniversalID)u_id;
 
- (BOOL) addEntity:(Entity *) entity;
- (BOOL) removeEntity:(Entity *) entity;
- (void) ensureEntityReallyRemoved:(Entity *)entity;
- (void) removeAllEntitiesExceptPlayer;
- (void) removeDemoShips;
 
- (ShipEntity *) makeDemoShipWithRole:(NSString *)role spinning:(BOOL)spinning;
 
- (BOOL) isVectorClearFromEntity:(Entity *) e1 toDistance:(double)dist fromPoint:(HPVector) p2;
- (Entity*) hazardOnRouteFromEntity:(Entity *) e1 toDistance:(double)dist fromPoint:(HPVector) p2;
- (HPVector) getSafeVectorFromEntity:(Entity *) e1 toDistance:(double)dist fromPoint:(HPVector) p2;
 
- (ShipEntity *) addWreckageFrom:(ShipEntity *)ship withRole:(NSString *)wreckRole at:(HPVector)rpos scale:(GLfloat)scale lifetime:(GLfloat)lifetime;
- (void) addLaserHitEffectsAt:(HPVector)pos against:(ShipEntity *)target damage:(float)damage color:(OOColor *)color;
- (ShipEntity *) firstShipHitByLaserFromShip:(ShipEntity *)srcEntity inDirection:(OOWeaponFacing)direction offset:(Vector)offset gettingRangeFound:(GLfloat*)range_ptr;
- (Entity *) firstEntityTargetedByPlayer;
- (Entity *) firstEntityTargetedByPlayerPrecisely;
 
- (NSArray *) entitiesWithinRange:(double)range ofEntity:(Entity *)entity;
- (unsigned) countShipsWithRole:(NSString *)role inRange:(double)range ofEntity:(Entity *)entity;
- (unsigned) countShipsWithRole:(NSString *)role;
- (unsigned) countShipsWithPrimaryRole:(NSString *)role inRange:(double)range ofEntity:(Entity *)entity;
- (unsigned) countShipsWithPrimaryRole:(NSString *)role;
- (unsigned) countShipsWithScanClass:(OOScanClass)scanClass inRange:(double)range ofEntity:(Entity *)entity;
 
 
// General count/search methods. Pass range of -1 and entity of nil to search all of system.
- (unsigned) countEntitiesMatchingPredicate:(EntityFilterPredicate)predicate
                                  parameter:(void *)parameter
                                    inRange:(double)range
                                   ofEntity:(Entity *)entity;
- (unsigned) countShipsMatchingPredicate:(EntityFilterPredicate)predicate
                               parameter:(void *)parameter
                                 inRange:(double)range
                                ofEntity:(Entity *)entity;
- (NSMutableArray *) findEntitiesMatchingPredicate:(EntityFilterPredicate)predicate
                                         parameter:(void *)parameter
                                           inRange:(double)range
                                          ofEntity:(Entity *)entity;
- (id) findOneEntityMatchingPredicate:(EntityFilterPredicate)predicate
                            parameter:(void *)parameter;
- (NSMutableArray *) findShipsMatchingPredicate:(EntityFilterPredicate)predicate
                                      parameter:(void *)parameter
                                        inRange:(double)range
                                       ofEntity:(Entity *)entity;
- (NSMutableArray *) findVisualEffectsMatchingPredicate:(EntityFilterPredicate)predicate
                                      parameter:(void *)parameter
                                        inRange:(double)range
                                       ofEntity:(Entity *)entity;
- (id) nearestEntityMatchingPredicate:(EntityFilterPredicate)predicate
                            parameter:(void *)parameter
                     relativeToEntity:(Entity *)entity;
- (id) nearestShipMatchingPredicate:(EntityFilterPredicate)predicate
                          parameter:(void *)parameter
                   relativeToEntity:(Entity *)entity;
 
 
- (OOTimeAbsolute) getTime;
- (OOTimeDelta) getTimeDelta;
 
- (void) findCollisionsAndShadows;
- (NSString*) collisionDescription;
- (void) dumpCollisions;
 
- (OOViewID) viewDirection;
- (void) setViewDirection:(OOViewID)vd;
- (void) enterGUIViewModeWithMouseInteraction:(BOOL)mouseInteraction;   // Use instead of setViewDirection:VIEW_GUI_DISPLAY
 
- (NSString *) soundNameForCustomSoundKey:(NSString *)key;
- (NSDictionary *) screenTextureDescriptorForKey:(NSString *)key;
- (void) setScreenTextureDescriptorForKey:(NSString *) key descriptor:(NSDictionary *)desc;
 
- (void) clearPreviousMessage;
- (void) setMessageGuiBackgroundColor:(OOColor *) some_color;
- (void) displayMessage:(NSString *) text forCount:(OOTimeDelta) count;
- (void) displayCountdownMessage:(NSString *) text forCount:(OOTimeDelta) count;
- (void) addDelayedMessage:(NSString *) text forCount:(OOTimeDelta) count afterDelay:(OOTimeDelta) delay;
- (void) addDelayedMessage:(NSDictionary *) textdict;
- (void) addMessage:(NSString *) text forCount:(OOTimeDelta) count;
- (void) addMessage:(NSString *) text forCount:(OOTimeDelta) count forceDisplay:(BOOL) forceDisplay;
- (void) addCommsMessage:(NSString *) text forCount:(OOTimeDelta) count;
- (void) addCommsMessage:(NSString *) text forCount:(OOTimeDelta) count andShowComms:(BOOL)showComms logOnly:(BOOL)logOnly;
- (void) showCommsLog:(OOTimeDelta) how_long;
- (void) showGUIMessage:(NSString *)text withScroll:(BOOL)scroll andColor:(OOColor *)selectedColor overDuration:(OOTimeDelta)how_long;
 
- (void) update:(OOTimeDelta)delta_t;
 
// Time Acelleration Factor. In deployment builds, this is always 1.0 and -setTimeAccelerationFactor: does nothing.
- (double) timeAccelerationFactor;
- (void) setTimeAccelerationFactor:(double)newTimeAccelerationFactor;
 
- (void) filterSortedLists;
 
 
- (void) setGalaxyTo:(OOGalaxyID) g;
- (void) setGalaxyTo:(OOGalaxyID) g andReinit:(BOOL) forced;
 
- (void) setSystemTo:(OOSystemID) s;
 
- (OOSystemID) currentSystemID;
 
- (NSDictionary *) descriptions;
- (NSDictionary *) characters;
- (NSDictionary *) missiontext;
- (NSArray *) scenarios;
- (NSDictionary *) explosionSetting:(NSString *)explosion;
 
- (OOSystemDescriptionManager *) systemManager;
 
- (NSString *)descriptionForKey:(NSString *)key;    // String, or random item from array
- (NSString *)descriptionForArrayKey:(NSString *)key index:(unsigned)index; // Indexed item from array
- (BOOL) descriptionBooleanForKey:(NSString *)key;  // Boolean from descriptions.plist, for configuration.
 
- (NSString *) keyForPlanetOverridesForSystem:(OOSystemID) s inGalaxy:(OOGalaxyID) g;
- (NSString *) keyForInterstellarOverridesForSystems:(OOSystemID) s1 :(OOSystemID) s2 inGalaxy:(OOGalaxyID) g;
- (NSDictionary *) generateSystemData:(OOSystemID) s;
- (NSDictionary *) generateSystemData:(OOSystemID) s useCache:(BOOL) useCache;
- (NSDictionary *) currentSystemData;   // Same as generateSystemData:systemSeed unless in interstellar space.
 
- (BOOL) inInterstellarSpace;
 
- (void) setSystemDataKey:(NSString*) key value:(NSObject*) object fromManifest:(NSString *)manifest;
- (void) setSystemDataForGalaxy:(OOGalaxyID) gnum planet:(OOSystemID) pnum key:(NSString *)key value:(id)object fromManifest:(NSString *)manifest forLayer:(OOSystemLayer)layer;
- (id) systemDataForGalaxy:(OOGalaxyID) gnum planet:(OOSystemID) pnum key:(NSString *)key;
- (NSArray *) systemDataKeysForGalaxy:(OOGalaxyID)gnum planet:(OOSystemID)pnum;
- (NSString *) getSystemName:(OOSystemID) sys;
- (NSString *) getSystemName:(OOSystemID) sys forGalaxy:(OOGalaxyID) gnum;
- (OOGovernmentID) getSystemGovernment:(OOSystemID) sys;
- (NSString *) getSystemInhabitants:(OOSystemID) sys;
- (NSString *) getSystemInhabitants:(OOSystemID) sys plural:(BOOL)plural;
 
- (NSPoint) coordinatesForSystem:(OOSystemID)s;
- (OOSystemID) findSystemFromName:(NSString *) sysName;
 
- (NSMutableArray *) nearbyDestinationsWithinRange:(double) range;
 
- (OOSystemID) findNeighbouringSystemToCoords:(NSPoint) coords withGalaxy:(OOGalaxyID) gal;
- (OOSystemID) findConnectedSystemAtCoords:(NSPoint) coords withGalaxy:(OOGalaxyID) gal;
// old alias for findSystemNumberAtCoords
- (OOSystemID) findSystemAtCoords:(NSPoint) coords withGalaxy:(OOGalaxyID) gal;
- (OOSystemID) findSystemNumberAtCoords:(NSPoint) coords withGalaxy:(OOGalaxyID) gal includingHidden:(BOOL)hidden;
- (NSPoint) findSystemCoordinatesWithPrefix:(NSString *) p_fix;
- (NSPoint) findSystemCoordinatesWithPrefix:(NSString *) p_fix exactMatch:(BOOL) exactMatch;
- (BOOL*) systemsFound;
- (NSString*) systemNameIndex:(OOSystemID) index;
- (NSDictionary *) routeFromSystem:(OOSystemID) start toSystem:(OOSystemID) goal optimizedBy:(OORouteType) optimizeBy;
- (NSArray *) neighboursToSystem:(OOSystemID) system_number;
 
- (void) preloadPlanetTexturesForSystem:(OOSystemID)system;
- (void) preloadSounds;
 
- (NSDictionary *) globalSettings;
 
- (NSArray *) equipmentData;
- (NSArray *) equipmentDataOutfitting;
- (OOCommodityMarket *) commodityMarket;
- (Random_Seed) marketSeed;
 
- (NSString *) timeDescription:(OOTimeDelta) interval;
- (NSString *) shortTimeDescription:(OOTimeDelta) interval;
 
- (void) loadStationMarkets:(NSArray *)marketData;
- (NSArray *) getStationMarkets;
 
- (NSArray *) shipsForSaleForSystem:(OOSystemID) s withTL:(OOTechLevelID) specialTL atTime:(OOTimeAbsolute) current_time;
 
/* Calculate base cost, before depreciation */
- (OOCreditsQuantity) tradeInValueForCommanderDictionary:(NSDictionary*) cmdr_dict;
 
- (NSString*) brochureDescriptionWithDictionary:(NSDictionary*) dict standardEquipment:(NSArray*) extras optionalEquipment:(NSArray*) options;
 
- (HPVector) getWitchspaceExitPosition;
- (Quaternion) getWitchspaceExitRotation;
 
- (HPVector) getSunSkimStartPositionForShip:(ShipEntity*) ship;
- (HPVector) getSunSkimEndPositionForShip:(ShipEntity*) ship;
 
- (NSArray*) listBeaconsWithCode:(NSString*) code;
 
- (void) allShipsDoScriptEvent:(jsid)event andReactToAIMessage:(NSString *)message;
 
 
- (void) clearGUIs;
 
- (GuiDisplayGen *) gui;
- (GuiDisplayGen *) commLogGUI;
- (GuiDisplayGen *) messageGUI;
 
- (void) resetCommsLogColor;
 
- (void) setDisplayText:(BOOL) value;
- (BOOL) displayGUI;
 
- (void) setDisplayFPS:(BOOL) value;
- (BOOL) displayFPS;
 
- (void) setAutoSave:(BOOL) value;
- (BOOL) autoSave;
 
- (void) setWireframeGraphics:(BOOL) value;
- (BOOL) wireframeGraphics;
 
- (BOOL) reducedDetail;
- (void) setDetailLevel:(OOGraphicsDetail)value;
- (OOGraphicsDetail) detailLevel;
- (BOOL) useShaders;
 
- (void) handleOoliteException:(NSException *)ooliteException;
 
- (GLfloat)airResistanceFactor;
- (void) setAirResistanceFactor:(GLfloat)newFactor;
 
// speech routines
//
- (void) startSpeakingString:(NSString *) text;
//
- (void) stopSpeaking;
//
- (BOOL) isSpeaking;
//
#if OOLITE_ESPEAK
- (NSString *) voiceName:(unsigned int) index;
- (unsigned int) voiceNumber:(NSString *) name;
- (unsigned int) nextVoice:(unsigned int) index;
- (unsigned int) prevVoice:(unsigned int) index;
- (unsigned int) setVoice:(unsigned int) index withGenderM:(BOOL) isMale;
#endif
- (int) nextColorblindMode:(int) index;
- (int) prevColorblindMode:(int) index;
- (int) colorblindMode;
//
 
//autosave 
- (void) setAutoSaveNow:(BOOL) value;
- (BOOL) autoSaveNow;
 
- (int) framesDoneThisUpdate;
- (void) resetFramesDoneThisUpdate;
 
// True if textual pause message (as opposed to overlay) is being shown.
- (BOOL) pauseMessageVisible;
- (void) setPauseMessageVisible:(BOOL)value;
 
- (BOOL) permanentCommLog;
- (void) setPermanentCommLog:(BOOL)value;
- (void) setAutoCommLog:(BOOL)value;
- (BOOL) permanentMessageLog;
- (void) setPermanentMessageLog:(BOOL)value;
- (BOOL) autoMessageLogBg;
- (void) setAutoMessageLogBg:(BOOL)value;
 
- (BOOL) blockJSPlayerShipProps;
- (void) setBlockJSPlayerShipProps:(BOOL)value;
 
- (void) loadConditionScripts;
- (void) addConditionScripts:(NSEnumerator *)scripts;
- (OOJSScript *) getConditionScript:(NSString *)scriptname;
 
@end
 
 
/*  Use UNIVERSE to refer to the global universe object.
    The purpose of this is that it makes UNIVERSE essentially a read-only
    global with zero overhead.
*/
OOINLINE Universe *OOGetUniverse(void) INLINE_CONST_FUNC;
OOINLINE Universe *OOGetUniverse(void)
{
    extern Universe *gSharedUniverse;
    return gSharedUniverse;
}
#define UNIVERSE OOGetUniverse()
 
 
// Only for use with string literals, and only for looking up strings.
// DESC() is deprecated in favour of OOExpandKey() except in known performance-
// critical contexts.
#define DESC(key)   (OOLookUpDescriptionPRIV(key ""))
#define DESC_PLURAL(key,count)  (OOLookUpPluralDescriptionPRIV(key "", count))
 
// Not for direct use.
NSComparisonResult populatorPrioritySort(id a, id b, void *context);
NSComparisonResult equipmentSort(id a, id b, void *context);
NSComparisonResult equipmentSortOutfitting(id a, id b, void *context);
NSString *OOLookUpDescriptionPRIV(NSString *key);
NSString *OOLookUpPluralDescriptionPRIV(NSString *key, NSInteger count);
 
@interface OOSound (OOCustomSounds)
 
+ (id) soundWithCustomSoundKey:(NSString *)key;
- (id) initWithCustomSoundKey:(NSString *)key;
 
@end
 
 
@interface OOSoundSource (OOCustomSounds)
 
+ (id) sourceWithCustomSoundKey:(NSString *)key;
- (id) initWithCustomSoundKey:(NSString *)key;
 
- (void) playCustomSoundWithKey:(NSString *)key;
 
@end
 
 
NSString *OODisplayStringFromGovernmentID(OOGovernmentID government);
NSString *OODisplayStringFromEconomyID(OOEconomyID economy);