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oolite/Entity.h
Giles Williams 6f9df08549 merging in changes from Oolite r675-r708 (efficiency in Entity management) 
git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@53 127b21dd-08f5-0310-b4b7-95ae10353056
2005-05-12 09:14:15 +00:00

356 lines
8.5 KiB
Objective-C
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//
// Entity.h
/*
*
* Oolite
*
* Created by Giles Williams on Sat Apr 03 2004.
* Copyright (c) 2004 for aegidian.org. All rights reserved.
*
Copyright (c) 2004, Giles C Williams
All rights reserved.
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.0/
or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
You are free:
• to copy, distribute, display, and perform the work
• to make derivative works
Under the following conditions:
• Attribution. You must give the original author credit.
• Noncommercial. You may not use this work for commercial purposes.
• Share Alike. If you alter, transform, or build upon this work,
you may distribute the resulting work only under a license identical to this one.
For any reuse or distribution, you must make clear to others the license terms of this work.
Any of these conditions can be waived if you get permission from the copyright holder.
Your fair use and other rights are in no way affected by the above.
*/
#define MAX_VERTICES_PER_ENTITY 320
#define MAX_FACES_PER_ENTITY 512
#define MAX_TEXTURES_PER_ENTITY 8
#define MAX_VERTICES_PER_FACE 16
#define NUM_VERTEX_ARRAY_RANGES 16
#define PI 3.141592653589793
#define NO_DRAW_DISTANCE_FACTOR 512.0
#define STATUS_EXPERIMENTAL 99
#define STATUS_EFFECT 10
#define STATUS_ACTIVE 5
#define STATUS_DEMO 2
#define STATUS_TEST 1
#define STATUS_INACTIVE 0
#define STATUS_DEAD -1
#define STATUS_IN_FLIGHT 100
#define STATUS_DOCKED 200
#define STATUS_AUTOPILOT_ENGAGED 300
#define STATUS_DOCKING 401
#define STATUS_LAUNCHING 402
#define STATUS_WITCHSPACE_COUNTDOWN 410
#define STATUS_ENTERING_WITCHSPACE 411
#define STATUS_EXITING_WITCHSPACE 412
#define STATUS_ESCAPE_SEQUENCE 500
#define STATUS_IN_HOLD 600
#define CLASS_NOT_SET -1
#define CLASS_NO_DRAW 0
#define CLASS_NEUTRAL 1
#define CLASS_STATION 3
#define CLASS_TARGET 4
#define CLASS_CARGO 5
#define CLASS_MISSILE 6
#define CLASS_ROCK 7
#define CLASS_MINE 8
#define CLASS_THARGOID 9
#define CLASS_PLAYER 100
#define CLASS_POLICE 999
#define CLASS_BUOY 666
#define NO_TARGET 0
#define SCANNER_MAX_RANGE 25600.0
#define SCANNER_MAX_RANGE2 655360000.0
#define MODEL_FILE @"CORIOLIS.DAT"
#ifdef GNUSTEP
#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
#import "gnustep-oolite.h"
#else
#import <Cocoa/Cocoa.h>
#endif
#include "vector.h"
#include "legacy_random.h"
@class Universe;
struct face
{
GLfloat red;
GLfloat green;
GLfloat blue;
Vector normal;
int n_verts;
GLint vertex[MAX_VERTICES_PER_FACE];
NSString *textureFile;
GLuint texName;
GLfloat s[MAX_VERTICES_PER_FACE];
GLfloat t[MAX_VERTICES_PER_FACE];
};
typedef struct face Face;
typedef struct
{
GLint index_array[3 * MAX_FACES_PER_ENTITY]; // triangles
GLfloat texture_uv_array[ 3 * MAX_FACES_PER_ENTITY * 2];
Vector vertex_array[3 * MAX_FACES_PER_ENTITY];
Vector normal_array[3 * MAX_FACES_PER_ENTITY];
NSString *textureFile;
GLuint texName;
int n_triangles;
} EntityData; // per texture
typedef struct
{
long rangeSize; // # of bytes in this VAR block
void *dataBlockPtr; // ptr to the memory that we're making VAR
Boolean forceUpdate; // true if data in VAR block needs updating
Boolean activated; // set to true the first time we use it
} VertexArrayRangeType;
typedef struct
{
double timeframe; // universal time for this frame
Vector position; // position
Quaternion q_rotation; // rotation
} Frame;
extern int debug;
@interface Entity : NSObject
{
// the base object for ships/stations/anything actually
//
Universe *universe;
int universal_id; // used to reference the entity
//
//////////////////////////////////////////////////////
//
// @public variables:
//
// we forego encapsulation for some variables in order to
// lose the overheads of Obj-C accessor methods...
//
@public BOOL isParticle;
@public BOOL isRing;
@public BOOL isShip;
@public BOOL isStation;
@public BOOL isPlanet;
@public BOOL isPlayer;
//
@public int scan_class;
@public double zero_distance;
@public double collision_radius;
@public Vector position;
@public Quaternion q_rotation;
@public int status;
//
@public int z_index;
//
//////////////////////////////////////////////////////
//
Vector relative_position;
double no_draw_distance; // 10 km
//
double distance_travelled; // set to zero initially
//
Matrix rotation;
gl_matrix rotMatrix;
//
Vector velocity;
//
// positions+rotations for trails and trackbacks
Frame track[256];
int track_index;
double track_time;
//
double energy;
double max_energy;
//
NSMutableArray *collidingEntities;
//
int n_vertices, n_faces;
Vector vertices[MAX_VERTICES_PER_ENTITY];
//
//new...
Vector vertex_normal[MAX_VERTICES_PER_ENTITY];
BOOL is_smooth_shaded;
//
Face faces[MAX_FACES_PER_ENTITY];
BoundingBox boundingBox;
GLfloat mass; // calculated as volume of bounding box
GLuint displayListName;
//
NSString *basefile;
//
int owner;
//
// very new
int n_textures;
EntityData entityData;
NSRange triangle_range[MAX_TEXTURES_PER_ENTITY];
NSString* texture_file[MAX_TEXTURES_PER_ENTITY];
GLuint texture_name[MAX_TEXTURES_PER_ENTITY];
BOOL throw_sparks;
// COMMON OGL STUFF
BOOL usingVAR;
GLuint gVertexArrayRangeObjects[NUM_VERTEX_ARRAY_RANGES]; // OpenGL's VAR object references
VertexArrayRangeType gVertexArrayRangeData[NUM_VERTEX_ARRAY_RANGES]; // our info about each VAR block
}
+ (void) setDataStore:(Universe *)univ; // class methods, they set the underlying data_storage universe
+ (Universe *) dataStore;
- (id) init;
- (void) dealloc;
- (void) warnAboutHostiles;
- (Universe *) universe;
- (void) setUniverse:(Universe *)univ;
- (void) setUniversal_id:(int)uid;
- (int) universal_id;
- (BOOL) throwingSparks;
- (void) setThrowSparks:(BOOL) value;
- (void) throwSparks;
- (BOOL) isSmoothShaded;
- (void) setSmoothShaded:(BOOL) value;
- (void) setOwner:(Entity *) ent;
- (Entity *) owner;
- (void) setModel:(NSString *) modelName;
- (NSString *) getModel;
- (void) setPosition:(Vector) posn;
- (void) setPosition:(GLfloat) x:(GLfloat) y:(GLfloat) z;
- (Vector) getPosition;
- (Vector) getViewpointPosition;
- (double) getZeroDistance;
- (Vector) relative_position;
- (NSComparisonResult) compareZeroDistance:(Entity *)otherEntity;
- (BoundingBox) getBoundingBox;
- (GLfloat) mass;
- (void) setQRotation:(Quaternion) quat;
- (Quaternion) QRotation;
- (void) setVelocity:(Vector) vel;
- (Vector) getVelocity;
- (double) getVelocityAsSpeed;
- (double) distance_travelled;
- (void) setDistanceTravelled: (double) value;
- (void) setStatus:(int) stat;
- (int) getStatus;
- (void) setScanClass:(int) s_class;
- (int) scanClass;
- (void) setEnergy:(double) amount;
- (double) getEnergy;
- (void) applyRoll:(GLfloat) roll andClimb:(GLfloat) climb;
- (void) applyRoll:(GLfloat) roll climb:(GLfloat) climb andYaw:(GLfloat) yaw;
- (void) moveForward:(double) amount;
- (GLfloat *) rotationMatrix;
- (BOOL) canCollide;
- (double) collisionRadius;
- (void) setCollisionRadius:(double) amount;
- (NSMutableArray *) collisionArray;
- (void) drawEntity:(BOOL) immediate :(BOOL) translucent;
- (void) drawSubEntity:(BOOL) immediate :(BOOL) translucent;
- (void) initialiseTextures;
- (void) regenerateDisplayList;
- (void) generateDisplayList;
- (void) update:(double) delta_t;
- (void) saveToLastFrame;
- (BOOL) resetToTime:(double) t_frame;
- (Frame) frameAtTime:(double) t_frame; // timeframe is relative to now ie. -0.5 = half a second ago.
- (void) loadData:(NSString *) filename;
- (void) checkNormalsAndAdjustWinding;
- (void) calculateVertexNormals;
- (void) setUpVertexArrays;
- (double) findCollisionRadius;
- (BoundingBox) findBoundingBoxRelativeTo:(Entity *)other InVectors:(Vector) _i :(Vector) _j :(Vector) _k;
- (BoundingBox) findBoundingBoxRelativeToPosition:(Vector)opv InVectors:(Vector) _i :(Vector) _j :(Vector) _k;
- (BOOL) checkCloseCollisionWith:(Entity *)other;
- (void) takeEnergyDamage:(double) amount from:(Entity *) ent becauseOf:(Entity *) other;
- (void) fakeTexturesWithImageFile: (NSString *) textureFile andMaxSize:(NSSize) maxSize;
- (NSString *) toString;
/*--
- (NSDictionary *) toDictionary;
--*/
// COMMON OGL ROUTINES
- (BOOL) OGL_InitVAR;
- (void) OGL_AssignVARMemory:(long) size :(void *) data :(Byte) whichVAR;
- (void) OGL_UpdateVAR;
@end
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