Cube  Diff

#define SW(w, x, y) SWS(w, x, y, ssize)
#define S(x, y) SW(world, x, y) // convenient lookup of a lowest mip cube
#define SMALLEST_FACTOR 6       // determines number of mips there can be
#define DEFAULT_FACTOR 8
#define LARGEST_FACTOR 11 // 10 is already insane
#define SOLID(x) ((x)->type == SOLID)
#define MINBORD 2 // 2 cubes from the edge of the world are always solid
#define OUTBORD(x, y)                                                \
	((x) < MINBORD || (y) < MINBORD || (x) >= ssize - MINBORD || \
	    (y) >= ssize - MINBORD)

struct block {
	int x, y, xs, ys;
};

enum {

// globals ooh naughty

#ifdef __cplusplus
extern "C" {
#endif
// map data, the mips are sequential 2D arrays in memory
extern struct sqr *world, *wmip[];
extern struct header hdr;      // current map header
extern int sfactor, ssize;     // ssize = 2^sfactor
extern int cubicsize, mipsize; // cubicsize = ssize^2
// all the other clients (in multiplayer)
extern OFMutableArray *players;
extern bool editmode;
extern OFMutableArray<Entity *> *ents; // map entities
extern OFVector3D worldpos; // current target of the crosshair in the world
extern int lastmillis;      // last time
extern int curtime;         // current frame time
extern int gamemode, nextmode;
extern int xtraverts;
extern bool demoplayback;
#ifdef __cplusplus
}
#endif

#define DMF 16.0f
#define DAF 1.0f
#define DVF 100.0f

#define VIRTW 2400 // virtual screen size for text & HUD
#define VIRTH 1800
#define FONTH 64
#define PIXELTAB (VIRTW / 12)

#define PI (3.1415927f)
#define PI2 (2 * PI)

#define vreject(v, u, max)                                 \
	((v).x > (u).x + (max) || (v).x < (u).x - (max) || \
	    (v).y > (u).y + (max) || (v).y < (u).y - (max))
#define vlinterp(v, f, u, g)                   \
	{                                      \
		(v).x = (v).x * f + (u).x * g; \
		(v).y = (v).y * f + (u).y * g; \
		(v).z = (v).z * f + (u).z * g; \
	}

#define sgetstr()                        \
	{                                \
		char *t = text;          \
		do {                     \
			*t = getint(&p); \
		} while (*t++);          \
	} // used by networking

#define m_noitems (gamemode >= 4)
#define m_noitemsrail (gamemode <= 5)
#define m_arena (gamemode >= 8)
#define m_tarena (gamemode >= 10)
#define m_teammode (gamemode & 1 && gamemode > 2)