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typedef enum
{
K↑,
K↺,
K↻,
Kfire,
Khyper,
Ksay,
Kquit,
NKEYOPS
} KeyOp;
typedef enum
{
NEEDLE,
WEDGE
} Kind;
enum {
SCRW = 640,
SCRH = 480,
SCRWB = SCRW+2*Borderwidth,
SCRHB = SCRH+2*Borderwidth
};
typedef struct VModel VModel;
typedef struct Sprite Sprite;
typedef struct Particle Particle;
typedef struct Bullet Bullet;
typedef struct Ship Ship;
typedef struct Star Star;
typedef struct Universe Universe;
typedef struct GameState GameState;
typedef struct Derivative Derivative;
typedef struct Conn Conn;
typedef struct Player Player;
typedef struct PInput PInput;
typedef struct Lobby Lobby;
typedef struct Party Party;
/*
* Vector model - made out of lines and curves
*/
struct VModel
{
Point2 *pts;
ulong npts;
/* WIP
* l(ine) → takes 2 points
* c(urve) → takes 3 points
*/
char *strokefmt;
};
struct Sprite
{
Image *sheet;
Point sp;
Rectangle r;
int nframes;
int curframe;
ulong period;
ulong elapsed;
void (*step)(Sprite*, ulong);
void (*draw)(Sprite*, Image*, Point);
};
struct Particle
{
Point2 p, v;
double θ, ω;
double mass; /* kg */
};
struct Bullet
{
Particle;
ulong ttl; /* in s */
int fired; /* XXX: |v| != 0 */
};
struct Ship
{
Particle;
Kind kind;
int fuel;
Bullet rounds[10];
VModel *mdl;
Matrix mdlxform;
};
struct Star
{
Particle;
Sprite *spr;
};
struct Universe
{
Ship ships[2];
Star star;
double t, timeacc;
void (*step)(Universe*, double);
void (*reset)(Universe*);
};
struct GameState
{
double t, timeacc;
Point2 p, v;
};
struct Derivative
{
Point2 dx; /* v */
Point2 dv; /* a */
};
struct Conn
{
char dir[40];
int ctl;
int data;
int status;
};
struct PInput
{
ulong kdown;
};
struct Player
{
char *name;
Conn conn;
PInput oldinput, input;
};
struct Lobby
{
Player *seats;
ulong nseats;
ulong cap;
int (*takeseat)(Lobby*, char*, int, int);
int (*leaveseat)(Lobby*, ulong);
int (*getcouple)(Lobby*, Player*);
void (*purge)(Lobby*);
};
struct Party
{
Player players[2]; /* the needle and the wedge */
Universe *u;
Party *prev, *next;
/* testing */
GameState state;
};
extern Party theparty;
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