Cube  Check-in [753ff34122]

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	OFString *__autoreleasing master, *__autoreleasing passwd;

	processInitQueue();

#define log(s) conoutf(@"init: %@", s)
	log(@"sdl");

	const OFOptionsParserOption options[] = {
	    {'d', @"dedicated", 0, &dedicated, NULL},
	    {'t', @"window", 0, &windowed, NULL},
	    {'w', @"width", 1, NULL, NULL}, {'h', @"height", 1, NULL, NULL},
	    {'u', @"upload-rate", 1, NULL, NULL},
	    {'n', @"server-desc", 1, NULL, &sdesc}, {'i', @"ip", 1, NULL, &ip},
	    {'m', @"master", 1, NULL, &master},
	    {'p', @"password", 1, NULL, &passwd},
	    {'c', @"max-clients", 1, NULL, NULL}, {'\0', nil, 0, NULL, NULL}};
	const OFOptionsParserOption options[] = { { 'd', @"dedicated", 0,
		                                      &dedicated, NULL },
		{ 't', @"window", 0, &windowed, NULL },
		{ 'w', @"width", 1, NULL, NULL },
		{ 'h', @"height", 1, NULL, NULL },
		{ 'u', @"upload-rate", 1, NULL, NULL },
		{ 'n', @"server-desc", 1, NULL, &sdesc },
		{ 'i', @"ip", 1, NULL, &ip },
		{ 'm', @"master", 1, NULL, &master },
		{ 'p', @"password", 1, NULL, &passwd },
		{ 'c', @"max-clients", 1, NULL, NULL },
		{ '\0', nil, 0, NULL, NULL } };
	OFOptionsParser *optionsParser =
	    [OFOptionsParser parserWithOptions:options];
	OFUnichar option;
	while ((option = [optionsParser nextOption]) != '\0') {
		switch (option) {
		case 'w':
			_width = (int)optionsParser.argument.longLongValue;

void
connects(OFString *servername)
{
	disconnect(1); // reset state
	addserver(servername);

	conoutf(@"attempting to connect to %@", servername);
	ENetAddress address = {ENET_HOST_ANY, CUBE_SERVER_PORT};
	ENetAddress address = { ENET_HOST_ANY, CUBE_SERVER_PORT };
	@autoreleasepool {
		if (enet_address_set_host(&address, servername.UTF8String) <
		    0) {
			conoutf(@"could not resolve server %@", servername);
			return;
		}
	}

disconnect(int onlyclean, int async)
{
	if (clienthost) {
		if (!connecting && !disconnecting) {
			enet_peer_disconnect(clienthost->peers);
			enet_host_flush(clienthost);
			disconnecting = lastmillis;
		};
		}
		if (clienthost->peers->state != ENET_PEER_STATE_DISCONNECTED) {
			if (async)
				return;
			enet_peer_reset(clienthost->peers);
		};
		}
		enet_host_destroy(clienthost);
	};
	}

	if (clienthost && !connecting)
		conoutf(@"disconnected");
	clienthost = NULL;
	connecting = 0;
	connattempts = 0;
	disconnecting = 0;

		conoutf(@"attempting to connect...");
		connecting = lastmillis;
		++connattempts;
		if (connattempts > 3) {
			conoutf(@"could not connect to server");
			disconnect();
			return;
		};
	};
		}
	}
	while (
	    clienthost != NULL && enet_host_service(clienthost, &event, 0) > 0)
		switch (event.type) {
		case ENET_EVENT_TYPE_CONNECT:
			conoutf(@"connected to server");
			connecting = 0;
			throttle();

// clientextras.cpp: stuff that didn't fit in client.cpp or clientgame.cpp :)

#include "cube.h"

// render players & monsters
// very messy ad-hoc handling of animation frames, should be made more
// configurable

//              D    D    D    D'   D    D    D    D'   A   A'  P   P'  I   I'
//              R,  R'  E    L    J   J'
int frame[] = {178, 184, 190, 137, 183, 189, 197, 164, 46, 51, 54, 32, 0, 0, 40,
    1, 162, 162, 67, 168};
int range[] = {6, 6, 8, 28, 1, 1, 1, 1, 8, 19, 4, 18, 40, 1, 6, 15, 1, 1, 1, 1};
int frame[] = { 178, 184, 190, 137, 183, 189, 197, 164, 46, 51, 54, 32, 0, 0,
	40, 1, 162, 162, 67, 168 };
int range[] = { 6, 6, 8, 28, 1, 1, 1, 1, 8, 19, 4, 18, 40, 1, 6, 15, 1, 1, 1,
	1 };

void
renderclient(dynent *d, bool team, OFString *mdlname, bool hellpig, float scale)
{
	int n = 3;
	float speed = 100.0f;
	float mz = d->o.z - d->eyeheight + 1.55f * scale;

		if (t < 0 || t > 20000)
			return;
		if (t > (r - 1) * 100) {
			n += 4;
			if (t > (r + 10) * 100) {
				t -= (r + 10) * 100;
				mz -= t * t / 10000000000.0f * t;
			};
		};
			}
		}
		if (mz < -1000)
			return;
		// mdl = (((int)d>>6)&1)+1;
		// mz = d->o.z-d->eyeheight+0.2f;
		// scale = 1.2f;
	} else if (d->state == CS_EDITING) {
		n = 16;

		if (m_noitemsrail) {
			d->health = 1;
			d->ammo[GUN_RIFLE] = 100;
		} else {
			if (gamemode == 12) {
				d->gunselect = GUN_FIST;
				return;
			}; // eihrul's secret "instafist" mode
			} // eihrul's secret "instafist" mode
			d->health = 256;
			if (m_tarena) {
				int gun1 = rnd(4) + 1;
				baseammo(d->gunselect = gun1);
				for (;;) {
					int gun2 = rnd(4) + 1;
					if (gun1 != gun2) {
						baseammo(gun2);
						break;
					};
				};
					}
				}
			} else if (m_arena) // insta arena
			{
				d->ammo[GUN_RIFLE] = 100;
			} else // efficiency
			{
				loopi(4) baseammo(i + 1);
				d->gunselect = GUN_CG;
			};
			}
			d->ammo[GUN_CG] /= 2;
		};
		}
	} else {
		d->ammo[GUN_SG] = 5;
	};
	}
}

dynent *
newdynent() // create a new blank player or monster
{
	dynent *d = (dynent *)malloc(sizeof(dynent));
	d->o.x = 0;

	if (d->state != CS_DEAD) {
		alive++;
		if (lastteam && strcmp(lastteam, d->team))
			oneteam = false;
		lastteam = d->team;
	} else {
		dead++;
	};
	}
}

int arenarespawnwait = 0;
int arenadetectwait = 0;

void
arenarespawn()

				conoutf(
				    @"team %s is last man standing", lastteam);
			else
				conoutf(@"everyone died!");
			arenarespawnwait = lastmillis + 5000;
			arenadetectwait = lastmillis + 10000;
			player1->roll = 0;
		};
	};
		}
	}
}

void
zapdynent(dynent *&d)
{
	if (d)
		free(d);

{
	loopv(players) if (players[i])
	{
		const int lagtime = lastmillis - players[i]->lastupdate;
		if (lagtime > 1000 && players[i]->state == CS_ALIVE) {
			players[i]->state = CS_LAGGED;
			continue;
		};
		}
		if (lagtime && players[i]->state != CS_DEAD &&
		    (!demoplayback || i != democlientnum))
			moveplayer(
			    players[i], 2, false); // use physics to extrapolate
			                           // player position
	}
}

					moveplayer(player1, 10, false);
				} else if (!m_arena && !m_sp &&
				    lastmillis - player1->lastaction > 10000)
					respawn();
			} else if (!intermission) {
				moveplayer(player1, 20, true);
				checkitems();
			};
			}
			c2sinfo(player1); // do this last, to reduce the
			                  // effective frame lag
		}
	}
	lastmillis = millis;
}

		d->o.z = ents[spawncycle].z;
		d->yaw = ents[spawncycle].attr1;
		d->pitch = 0;
		d->roll = 0;
	} else {
		d->o.x = d->o.y = (float)ssize / 2;
		d->o.z = 4;
	};
	}
	entinmap(d);
	spawnstate(d);
	d->state = CS_ALIVE;
}

// movement input code

	const float fx = (float)fabs(dx), fy = (float)fabs(dy),
	            fz = (float)fabs(dz);
	if (fx < r && fy < r && fz < rz && d->state != CS_DEAD) {
		if (fx < fy)
			d->o.y += dy < 0 ? r - fy : -(r - fy); // push aside
		else
			d->o.x += dx < 0 ? r - fx : -(r - fx);
	};
	}
	int lagtime = lastmillis - d->lastupdate;
	if (lagtime) {
		d->plag = (d->plag * 5 + lagtime) / 6;
		d->lastupdate = lastmillis;
	};
	}
}

void
localservertoclient(
    uchar *buf, int len) // processes any updates from the server
{
	if (ENET_NET_TO_HOST_16(*(ushort *)buf) != len)

		case SV_EDITD:
		case SV_EDITE: {
			int x = getint(p);
			int y = getint(p);
			int xs = getint(p);
			int ys = getint(p);
			int v = getint(p);
			block b = {x, y, xs, ys};
			block b = { x, y, xs, ys };
			switch (type) {
			case SV_EDITH:
				editheightxy(v != 0, getint(p), b);
				break;
			case SV_EDITT:
				edittexxy(v, getint(p), b);
				break;

// the edge of the map

block sel;

OF_CONSTRUCTOR()
{
	enqueueInit(^{
		sel = (block){
		    variable(@"selx", 0, 0, 4096, &sel.x, NULL, false),
		    variable(@"sely", 0, 0, 4096, &sel.y, NULL, false),
		    variable(@"selxs", 0, 0, 4096, &sel.xs, NULL, false),
		    variable(@"selys", 0, 0, 4096, &sel.ys, NULL, false),
		sel = (block) {
			variable(@"selx", 0, 0, 4096, &sel.x, NULL, false),
			variable(@"sely", 0, 0, 4096, &sel.y, NULL, false),
			variable(@"selxs", 0, 0, 4096, &sel.xs, NULL, false),
			variable(@"selys", 0, 0, 4096, &sel.ys, NULL, false),
		};
	});
}

int selh = 0;
bool selset = false;

#define loopselxy(b)                                      \
	{                                                 \
		makeundo();                               \
		loop(x, sel.xs) loop(y, sel.ys)           \
		{                                         \
			sqr *s = S(sel.x + x, sel.y + y); \
			b;                                \
		}                                         \
		remip(sel);                               \
	}

int cx, cy, ch;

int curedittex[] = {-1, -1, -1};
int curedittex[] = { -1, -1, -1 };

bool dragging = false;
int lastx, lasty, lasth;

int lasttype = 0, lasttex = 0;
sqr rtex;

#define EDITMP                              \
	if (noteditmode() || multiplayer()) \
		return;

void
selectpos(int x, int y, int xs, int ys)
{
	block s = {x, y, xs, ys};
	block s = { x, y, xs, ys };
	sel = s;
	selh = 0;
	correctsel();
}

void
makesel()
{
	block s = {min(lastx, cx), min(lasty, cy), abs(lastx - cx) + 1,
	    abs(lasty - cy) + 1};
	block s = { min(lastx, cx), min(lasty, cy), abs(lastx - cx) + 1,
		abs(lasty - cy) + 1 };
	sel = s;
	selh = max(lasth, ch);
	correctsel();
	if (selset)
		rtex = *S(sel.x, sel.y);
}

	cx = (int)x;
	cy = (int)y;

	if (OUTBORD(cx, cy))
		return;
	sqr *s = S(cx, cy);

	// selected wall
	if (fabs(sheight(s, s, z) - z) > 1) // selected wall
	if (fabs(sheight(s, s, z) - z) > 1) {
	{
		x += x > player1->o.x ? 0.5f : -0.5f; // find right wall cube
		y += y > player1->o.y ? 0.5f : -0.5f;

		cx = (int)x;
		cy = (int)y;

		if (OUTBORD(cx, cy))
			return;
	};
	}

	if (dragging)
		makesel();

	const int GRIDSIZE = 5;
	const float GRIDW = 0.5f;
	const float GRID8 = 2.0f;
	const float GRIDS = 2.0f;
	const int GRIDM = 0x7;

	// render editing grid

	for (int ix = cx - GRIDSIZE; ix <= cx + GRIDSIZE; ix++)
	for (int ix = cx - GRIDSIZE; ix <= cx + GRIDSIZE; ix++) {
		for (int iy = cy - GRIDSIZE; iy <= cy + GRIDSIZE; iy++) {
			if (OUTBORD(ix, iy))
				continue;
			sqr *s = S(ix, iy);
			if (SOLID(s))
				continue;
			float h1 = sheight(s, s, z);
			float h2 = sheight(s, SWS(s, 1, 0, ssize), z);
			float h3 = sheight(s, SWS(s, 1, 1, ssize), z);
			float h4 = sheight(s, SWS(s, 0, 1, ssize), z);
			if (s->tag)
				linestyle(GRIDW, 0xFF, 0x40, 0x40);
			else if (s->type == FHF || s->type == CHF)
				linestyle(GRIDW, 0x80, 0xFF, 0x80);
			else
				linestyle(GRIDW, 0x80, 0x80, 0x80);
			block b = {ix, iy, 1, 1};
			block b = { ix, iy, 1, 1 };
			box(b, h1, h2, h3, h4);
			linestyle(GRID8, 0x40, 0x40, 0xFF);
			if (!(ix & GRIDM))
				line(ix, iy, h1, ix, iy + 1, h4);
			if (!(ix + 1 & GRIDM))
				line(ix + 1, iy, h2, ix + 1, iy + 1, h3);
			if (!(iy & GRIDM))
				line(ix, iy, h1, ix + 1, iy, h2);
			if (!(iy + 1 & GRIDM))
				line(ix, iy + 1, h4, ix + 1, iy + 1, h3);
		};
		}
	}

	if (!SOLID(s)) {
		float ih = sheight(s, s, z);
		linestyle(GRIDS, 0xFF, 0xFF, 0xFF);
		block b = {cx, cy, 1, 1};
		block b = { cx, cy, 1, 1 };
		box(b, ih, sheight(s, SWS(s, 1, 0, ssize), z),
		    sheight(s, SWS(s, 1, 1, ssize), z),
		    sheight(s, SWS(s, 0, 1, ssize), z));
		linestyle(GRIDS, 0xFF, 0x00, 0x00);
		dot(cx, cy, ih);
		ch = (int)ih;
	};
	}

	if (selset) {
		linestyle(GRIDS, 0xFF, 0x40, 0x40);
		box(sel, (float)selh, (float)selh, (float)selh, (float)selh);
	};
	}
}

vector<block *> undos;    // unlimited undo
VARP(undomegs, 0, 1, 10); // bounded by n megs

void
pruneundos(int maxremain) // bound memory

		if (c >= 0) {
			uchar *p = hdr.texlists[i];
			int t = p[c];
			for (int a = c - 1; a >= 0; a--)
				p[a + 1] = p[a];
			p[0] = t;
			curedittex[i] = -1;
		};
		}
	}
}

void
editdrag(bool isdown)
{
	if (dragging = isdown) {
		lastx = cx;
		lasty = cy;
		lasth = ch;
		selset = false;
		tofronttex();
	};
	}
	makesel();
}

// the core editing function. all the *xy functions perform the core operations
// and are also called directly from the network, the function below it is
// strictly triggered locally. They all have very similar structure.

{
	EDITSEL;
	if (type < 0 || type > 3)
		return;
	if (type != lasttype) {
		tofronttex();
		lasttype = type;
	};
	}
	int atype = type == 3 ? 1 : type;
	int i = curedittex[atype];
	i = i < 0 ? 0 : i + dir;
	curedittex[atype] = i = min(max(i, 0), 255);
	int t = lasttex = hdr.texlists[atype][i];
	edittexxy(type, t, sel);
	addmsg(1, 7, SV_EDITT, sel.x, sel.y, sel.xs, sel.ys, type, t);

			if (s->ctex == rtex.ctex)
				s->ctex = lasttex;
			break;
		case 3:
			if (s->utex == rtex.utex)
				s->utex = lasttex;
			break;
		};
	}
	block b = {0, 0, ssize, ssize};
		}
	}
	block b = { 0, 0, ssize, ssize };
	remip(b);
}

void
edittypexy(int type, block &sel)
{
	loopselxy(s->type = type);

void
archvertex(int span, int vert, int delta)
{
	if (!archvinit) {
		archvinit = true;
		loop(s, MAXARCHVERT) loop(v, MAXARCHVERT) archverts[s][v] = 0;
	};
	}
	if (span >= MAXARCHVERT || vert >= MAXARCHVERT || span < 0 || vert < 0)
		return;
	archverts[span][vert] = delta;
}

void
arch(int sidedelta, int _a)

}

VARF(
    fullbright, 0, 0, 1, if (fullbright) {
	    if (noteditmode())
		    return;
	    loopi(mipsize) world[i].r = world[i].g = world[i].b = 176;
    };);
    });

void
edittag(int tag)
{
	EDITSELMP;
	loopselxy(s->tag = tag);
}

// entities.cpp: map entity related functions (pickup etc.)

#include "cube.h"

#import "MapModelInfo.h"

vector<entity> ents;

static OFString *entmdlnames[] = {
    @"shells",
    @"bullets",
    @"rockets",
    @"rrounds",
    @"health",
    @"boost",
    @"g_armour",
    @"y_armour",
    @"quad",
    @"teleporter",
	@"shells",
	@"bullets",
	@"rockets",
	@"rrounds",
	@"health",
	@"boost",
	@"g_armour",
	@"y_armour",
	@"quad",
	@"teleporter",
};

int triggertime = 0;

void
renderent(entity &e, OFString *mdlname, float z, float yaw, int frame = 0,
    int numf = 1, int basetime = 0, float speed = 10.0f)

				if (e.type < I_SHELLS || e.type > TELEPORT)
					continue;
				renderent(e, entmdlnames[e.type - I_SHELLS],
				    (float)(1 +
				        sin(lastmillis / 100.0 + e.x + e.y) /
				            20),
				    lastmillis / 10.0f);
			} else
			} else {
				switch (e.attr2) {
				case 1:
				case 3:
					continue;

				case 2:
				case 0:

					    (float)e.attr3 * 90,
					    (!e.spawned && !triggertime) ? 30
					                                 : 0,
					    (e.spawned || !triggertime) ? 1
					                                : 30,
					    triggertime, 35.0f);
					break;
				};
		};
				}
			}
		}
	}
}

struct itemstat {
	int add, max, sound;
} itemstats[] = {
    10,
    50,
    S_ITEMAMMO,
	{ 10, 50, S_ITEMAMMO },
    20,
    100,
    S_ITEMAMMO,
	{ 20, 100, S_ITEMAMMO },
    5,
    25,
    S_ITEMAMMO,
	{ 5, 25, S_ITEMAMMO },
    5,
    25,
    S_ITEMAMMO,
	{ 5, 25, S_ITEMAMMO },
    25,
    100,
    S_ITEMHEALTH,
	{ 25, 100, S_ITEMHEALTH },
    50,
    200,
    S_ITEMHEALTH,
	{ 50, 200, S_ITEMHEALTH },
    100,
    100,
    S_ITEMARMOUR,
	{ 100, 100, S_ITEMARMOUR },
    150,
    150,
    S_ITEMARMOUR,
	{ 150, 150, S_ITEMARMOUR },
    20000,
    30000,
    S_ITEMPUP,
	{ 20000, 30000, S_ITEMPUP },
};

void
baseammo(int gun)
{
	player1->ammo[gun] = itemstats[gun - 1].add * 2;
}

			d->o.z = ents[e].z;
			d->yaw = ents[e].attr1;
			d->pitch = 0;
			d->vel.x = d->vel.y = d->vel.z = 0;
			entinmap(d);
			playsoundc(S_TELEPORT);
			break;
		};
	};
		}
	}
}

void
pickup(int n, dynent *d)
{
	int np = 1;
	loopv(players) if (players[i]) np++;

	case TELEPORT: {
		static int lastteleport = 0;
		if (lastmillis - lastteleport < 500)
			break;
		lastteleport = lastmillis;
		teleport(n, d);
		break;
	};
	}

	case JUMPPAD: {
		static int lastjumppad = 0;
		if (lastmillis - lastjumppad < 300)
			break;
		lastjumppad = lastmillis;
		OFVector3D v = OFMakeVector3D((int)(char)ents[n].attr3 / 10.0f,

	short gun, speed, health, freq, lag, rate, pain, loyalty, mscale,
	    bscale;
	short painsound, diesound;
	OFConstantString *name, *mdlname;
}

monstertypes[NUMMONSTERTYPES] = {
    {GUN_FIREBALL, 15, 100, 3, 0, 100, 800, 1, 10, 10, S_PAINO, S_DIE1,
        @"an ogre", @"monster/ogro"},
    {GUN_CG, 18, 70, 2, 70, 10, 400, 2, 8, 9, S_PAINR, S_DEATHR, @"a rhino",
        @"monster/rhino"},
    {GUN_SG, 14, 120, 1, 100, 300, 400, 4, 14, 14, S_PAINE, S_DEATHE,
        @"ratamahatta", @"monster/rat"},
    {GUN_RIFLE, 15, 200, 1, 80, 300, 300, 4, 18, 18, S_PAINS, S_DEATHS,
        @"a slith", @"monster/slith"},
    {GUN_RL, 13, 500, 1, 0, 100, 200, 6, 24, 24, S_PAINB, S_DEATHB, @"bauul",
        @"monster/bauul"},
    {GUN_BITE, 22, 50, 3, 0, 100, 400, 1, 12, 15, S_PAINP, S_PIGGR2,
        @"a hellpig", @"monster/hellpig"},
    {GUN_ICEBALL, 12, 250, 1, 0, 10, 400, 6, 18, 18, S_PAINH, S_DEATHH,
        @"a knight", @"monster/knight"},
    {GUN_SLIMEBALL, 15, 100, 1, 0, 200, 400, 2, 13, 10, S_PAIND, S_DEATHD,
        @"a goblin", @"monster/goblin"},
	{ GUN_FIREBALL, 15, 100, 3, 0, 100, 800, 1, 10, 10, S_PAINO, S_DIE1,
	    @"an ogre", @"monster/ogro" },
	{ GUN_CG, 18, 70, 2, 70, 10, 400, 2, 8, 9, S_PAINR, S_DEATHR,
	    @"a rhino", @"monster/rhino" },
	{ GUN_SG, 14, 120, 1, 100, 300, 400, 4, 14, 14, S_PAINE, S_DEATHE,
	    @"ratamahatta", @"monster/rat" },
	{ GUN_RIFLE, 15, 200, 1, 80, 300, 300, 4, 18, 18, S_PAINS, S_DEATHS,
	    @"a slith", @"monster/slith" },
	{ GUN_RL, 13, 500, 1, 0, 100, 200, 6, 24, 24, S_PAINB, S_DEATHB,
	    @"bauul", @"monster/bauul" },
	{ GUN_BITE, 22, 50, 3, 0, 100, 400, 1, 12, 15, S_PAINP, S_PIGGR2,
	    @"a hellpig", @"monster/hellpig" },
	{ GUN_ICEBALL, 12, 250, 1, 0, 10, 400, 6, 18, 18, S_PAINH, S_DEATHH,
	    @"a knight", @"monster/knight" },
	{ GUN_SLIMEBALL, 15, 100, 1, 0, 200, 400, 2, 13, 10, S_PAIND, S_DEATHD,
	    @"a goblin", @"monster/goblin" },
};

dynent *
basicmonster(int type, int yaw, int state, int trigger, int move)
{
	if (type >= NUMMONSTERTYPES) {
		conoutf(@"warning: unknown monster in spawn: %d", type);

	return m;
}

void
spawnmonster() // spawn a random monster according to freq distribution in DMSP
{
	int n = rnd(TOTMFREQ), type;
	for (int i = 0;; i++)
	for (int i = 0;; i++) {
		if ((n -= monstertypes[i].freq) < 0) {
			type = i;
			break;
		};
		}
	}
	basicmonster(type, rnd(360), M_SEARCH, 1000, 1);
}

void
monsterclear() // called after map start of when toggling edit mode to
               // reset/spawn all monsters to initial state
{

			    ents[i].attr2, ents[i].attr1, M_SLEEP, 100, 0);
			m->o.x = ents[i].x;
			m->o.y = ents[i].y;
			m->o.z = ents[i].z;
			entinmap(m);
			monstertotal++;
		}
	};
	}
}

bool
los(float lx, float ly, float lz, float bx, float by, float bz,
    OFVector3D &v) // height-correct line of sight for monster shooting/seeing
{
	if (OUTBORD((int)lx, (int)ly) || OUTBORD((int)bx, (int)by))

			break;
		v.x = x;
		v.y = y;
		v.z = rz;
		x += dx / (float)steps;
		y += dy / (float)steps;
		i++;
	};
	}
	return i >= steps;
}

bool
enemylos(dynent *m, OFVector3D &v)
{
	v = m->o;

void
monsteraction(
    dynent *m) // main AI thinking routine, called every frame for every monster
{
	if (m->enemy->state == CS_DEAD) {
		m->enemy = player1;
		m->anger = 0;
	};
	}
	normalise(m, m->targetyaw);
	if (m->targetyaw > m->yaw) // slowly turn monster towards his target
	{
		m->yaw += curtime * 0.5f;
		if (m->targetyaw < m->yaw)
			m->yaw = m->targetyaw;
	} else {
		m->yaw -= curtime * 0.5f;
		if (m->targetyaw > m->yaw)
			m->yaw = m->targetyaw;
	};
	}

	vdist(disttoenemy, vectoenemy, m->o, m->enemy->o);
	m->pitch = atan2(m->enemy->o.z - m->o.z, disttoenemy) * 180 / PI;

	if (m->blocked) // special case: if we run into scenery
	// special case: if we run into scenery
	{
	if (m->blocked) {
		m->blocked = false;
		if (!rnd(20000 /
		        monstertypes[m->mtype]
		            .speed)) // try to jump over obstackle (rare)
		// try to jump over obstackle (rare)
		{
		if (!rnd(20000 / monstertypes[m->mtype].speed))
			m->jumpnext = true;
		// search for a way around (common)
		} else if (m->trigger < lastmillis &&
		    (m->monsterstate != M_HOME ||
		else if (m->trigger < lastmillis &&
		    (m->monsterstate != M_HOME || !rnd(5))) {
		        !rnd(5))) // search for a way around (common)
		{
			m->targetyaw +=
			// patented "random walk" AI pathfinding (tm) ;)
			m->targetyaw += 180 + rnd(180);
			    180 + rnd(180); // patented "random walk" AI
			                    // pathfinding (tm) ;)
			transition(m, M_SEARCH, 1, 400, 1000);
		};
	};
		}
	}

	float enemyyaw =
	    -(float)atan2(m->enemy->o.x - m->o.x, m->enemy->o.y - m->o.y) / PI *
	        180 +
	    180;

	switch (m->monsterstate) {

		if (disttoenemy < 8 // the better the angle to the player, the
		                    // further the monster can see/hear
		    || (disttoenemy < 16 && angle < 135) ||
		    (disttoenemy < 32 && angle < 90) ||
		    (disttoenemy < 64 && angle < 45) || angle < 10) {
			transition(m, M_HOME, 1, 500, 200);
			playsound(S_GRUNT1 + rnd(2), &m->o);
		};
		}
		break;
	};
	}

	case M_AIMING: // this state is the delay between wanting to shoot and
	               // actually firing
		if (m->trigger < lastmillis) {
			m->lastaction = 0;
			m->attacking = true;
			shoot(m, m->attacktarget);
			transition(m, M_ATTACKING, 0, 600, 0);
		};
		}
		break;

	case M_HOME: // monster has visual contact, heads straight for player
	             // and may want to shoot at any time
		m->targetyaw = enemyyaw;
		if (m->trigger < lastmillis) {
			OFVector3D target;

					m->attacktarget = target;
					transition(m, M_AIMING, 0,
					    monstertypes[m->mtype].lag, 10);
				} else // track player some more
				{
					transition(m, M_HOME, 1,
					    monstertypes[m->mtype].rate, 0);
				};
			};
		};
				}
			}
		}
		break;
	};
	}

	moveplayer(m, 1, false); // use physics to move monster
}

void
monsterpain(dynent *m, int damage, dynent *d)
{
	// a monster hit us
	if (d->monsterstate) // a monster hit us
	if (d->monsterstate) {
	{
		if (m != d) // guard for RL guys shooting themselves :)
		// guard for RL guys shooting themselves :)
		{
			m->anger++; // don't attack straight away, first get
			            // angry
		if (m != d) {
			// don't attack straight away, first get angry
			m->anger++;
			int anger =
			    m->mtype == d->mtype ? m->anger / 2 : m->anger;
			if (anger >= monstertypes[m->mtype].loyalty)
				m->enemy = d; // monster infight if very angry
		};
	} else // player hit us
				// monster infight if very angry
				m->enemy = d;
		}
	} else {
		// player hit us
	{
		m->anger = 0;
		m->enemy = d;
	};
	transition(m, M_PAIN, 0, monstertypes[m->mtype].pain,
	}
	// in this state monster won't attack
	transition(m, M_PAIN, 0, monstertypes[m->mtype].pain, 200);
	    200); // in this state monster won't attack
	if ((m->health -= damage) <= 0) {
		m->state = CS_DEAD;
		m->lastaction = lastmillis;
		numkilled++;
		player1->frags = numkilled;
		playsound(monstertypes[m->mtype].diesound, &m->o);
		int remain = monstertotal - numkilled;
		if (remain > 0 && remain <= 5)
			conoutf(@"only %d monster(s) remaining", remain);
	} else {
	} else
		playsound(monstertypes[m->mtype].painsound, &m->o);
	}
}

void
endsp(bool allkilled)
{
	conoutf(allkilled ? @"you have cleared the map!"
	                  : @"you reached the exit!");

monsterthink()
{
	if (m_dmsp && spawnremain && lastmillis > nextmonster) {
		if (spawnremain-- == monstertotal)
			conoutf(@"The invasion has begun!");
		nextmonster = lastmillis + 1000;
		spawnmonster();
	};
	}

	if (monstertotal && !spawnremain && numkilled == monstertotal)
		endsp(true);

	loopv(ents) // equivalent of player entity touch, but only teleports are
	            // used
	{
		entity &e = ents[i];
		if (e.type != TELEPORT)
			continue;
		if (OUTBORD(e.x, e.y))
			continue;
		OFVector3D v =
		    OFMakeVector3D(e.x, e.y, (float)S(e.x, e.y)->floor);
		loopv(monsters) if (monsters[i]->state == CS_DEAD)
		loopv(monsters)
		{
			if (monsters[i]->state == CS_DEAD) {
			if (lastmillis - monsters[i]->lastaction < 2000) {
				monsters[i]->move = 0;
				moveplayer(monsters[i], 1, false);
				if (lastmillis - monsters[i]->lastaction <
				    2000) {
					monsters[i]->move = 0;
					moveplayer(monsters[i], 1, false);
			};
		}
		else
				}
			} else {
		{
			v.z += monsters[i]->eyeheight;
			vdist(dist, t, monsters[i]->o, v);
			v.z -= monsters[i]->eyeheight;
			if (dist < 4)
				teleport((int)(&e - &ents[0]), monsters[i]);
				v.z += monsters[i]->eyeheight;
				vdist(dist, t, monsters[i]->o, v);
				v.z -= monsters[i]->eyeheight;
				if (dist < 4)
					teleport(
					    (int)(&e - &ents[0]), monsters[i]);
			}
		}
	}

	loopv(monsters) if (monsters[i]->state == CS_ALIVE)
	    monsteraction(monsters[i]);
}

		if (fabs(o->o.z - d->o.z) < o->aboveeye + d->eyeheight)
			return false;
		if (d->monsterstate)
			return false; // hack
		headspace = d->o.z - o->o.z - o->aboveeye - d->eyeheight;
		if (headspace < 0)
			headspace = 10;
	};
	}
	return true;
}

bool
cornertest(int mip, int x, int y, int dx, int dy, int &bx, int &by,
    int &bs) // recursively collide with a mipmapped corner cube
{
	sqr *w = wmip[mip];
	int sz = ssize >> mip;
	bool stest =
	    SOLID(SWS(w, x + dx, y, sz)) && SOLID(SWS(w, x, y + dy, sz));
	mip++;
	x /= 2;
	y /= 2;
	if (SWS(wmip[mip], x, y, ssize >> mip)->type == CORNER) {
		bx = x << mip;
		by = y << mip;
		bs = 1 << mip;
		return cornertest(mip, x, y, dx, dy, bx, by, bs);
	};
	}
	return stest;
}

void
mmcollide(dynent *d, float &hi, float &lo) // collide with a mapmodel
{
	loopv(ents)

				            0, x, y, -1, 1, bx, by, bs) &&
				        fx1 - bx <= fy2 - by ||
				    x == x2 && y == y2 &&
				        cornertest(0, x, y, 1, 1, bx, by, bs) &&
				        fx2 - bx + fy2 - by >= bs)
					return false;
				break;
			};
			}

			case FHF: // FIXME: too simplistic collision with
			          // slopes, makes it feels like tiny stairs
				floor -= (s->vdelta + S(x + 1, y)->vdelta +
				             S(x, y + 1)->vdelta +
				             S(x + 1, y + 1)->vdelta) /
				    16.0f;
				break;

			case CHF:
				ceil += (s->vdelta + S(x + 1, y)->vdelta +
				            S(x, y + 1)->vdelta +
				            S(x + 1, y + 1)->vdelta) /
				    16.0f;
			};
			}
			if (ceil < hi)
				hi = ceil;
			if (floor > lo)
				lo = floor;
			if (floor < minfloor)
				return false;
		};
		}

	if (hi - lo < d->eyeheight + d->aboveeye)
		return false;

	float headspace = 10;
	loopv(players) // collide with other players
	{

				d->o.z = lo + d->eyeheight; // stick on step
			else if (space > -1.26f)
				d->o.z += rise; // rise thru stair
			else
				return false;
		} else {
			d->o.z -= min(min(drop, space), headspace); // gravity
		};
		}

		const float space2 = hi - (d->o.z + d->aboveeye);
		if (space2 < 0) {
			if (space2 < -0.1)
				return false;      // hack alert!
			d->o.z = hi - d->aboveeye; // glue to ceiling
			d->vel.z = 0; // cancel out jumping velocity
		};

		}

		d->onfloor = d->o.z - d->eyeheight - lo < 0.001f;
	};
	}
	return true;
}

float
rad(float x)
{
	return x * 3.14159f / 180;

{
	if (curtime >= MINFRAMETIME) {
		int faketime = curtime + physicsfraction;
		physicsrepeat = faketime / MINFRAMETIME;
		physicsfraction = faketime - physicsrepeat * MINFRAMETIME;
	} else {
		physicsrepeat = 1;
	};
	}
}

// main physics routine, moves a player/monster for a curtime step
// moveres indicated the physics precision (which is lower for monsters and
// multiplayer prediction) local is false for multiplayer prediction

void

	d.y = (float)(pl->move * sin(rad(pl->yaw - 90)));
	d.z = 0;

	if (floating || water) {
		d.x *= (float)cos(rad(pl->pitch));
		d.y *= (float)cos(rad(pl->pitch));
		d.z = (float)(pl->move * sin(rad(pl->pitch)));
	};
	}

	d.x += (float)(pl->strafe * cos(rad(pl->yaw - 180)));
	d.y += (float)(pl->strafe * sin(rad(pl->yaw - 180)));

	const float speed =
	    curtime / (water ? 2000.0f : 1000.0f) * pl->maxspeed;
	const float friction =

		}
	} else // apply velocity with collision
	{
		if (pl->onfloor || water) {
			if (pl->jumpnext) {
				pl->jumpnext = false;
				pl->vel.z = 1.7f; // physics impulse upwards
				// dampen velocity change even harder, gives
				// correct water feel
				if (water) {
					pl->vel.x /= 8;
					pl->vel.y /= 8;
				}; // dampen velocity change even harder, gives
				   // correct water feel
				}
				if (local)
					playsoundc(S_JUMP);
				else if (pl->monsterstate)
					playsound(S_JUMP, &pl->o);
			} else if (pl->timeinair >
			    800) // if we land after long time must have
			         // been a high jump, make thud sound
			} else if (pl->timeinair > 800) {
				// if we land after long time must have been a
				// high jump, make thud sound
			{
				if (local)
					playsoundc(S_LAND);
				else if (pl->monsterstate)
					playsound(S_LAND, &pl->o);
			};
			}
			pl->timeinair = 0;
		} else {
			pl->timeinair += curtime;
		};
		}

		const float gravity = 20;
		const float f = 1.0f / moveres;
		// incorrect, but works fine
		float dropf = ((gravity - 1) +
		float dropf = ((gravity - 1) + pl->timeinair / 15.0f);
		    pl->timeinair / 15.0f); // incorrect, but works fine
		// float slowly down in water
		if (water) {
			dropf = 5;
			pl->timeinair = 0;
		}; // float slowly down in water
		}
		const float drop = dropf * curtime / gravity / 100 /
		    moveres; // at high fps, gravity kicks in too fast
		const float rise = speed / moveres /
		    1.2f; // extra smoothness when lifting up stairs

		loopi(moveres) // discrete steps collision detection & sliding
		{
			// try move forward
			pl->o.x += f * d.x;
			pl->o.y += f * d.y;
			pl->o.z += f * d.z;
			if (collide(pl, false, drop, rise))
				continue;
			// player stuck, try slide along y axis
			pl->blocked = true;
			pl->o.x -= f * d.x;
			if (collide(pl, false, drop, rise)) {
				d.x = 0;
				continue;
			};
			}
			pl->o.x += f * d.x;
			// still stuck, try x axis
			pl->o.y -= f * d.y;
			if (collide(pl, false, drop, rise)) {
				d.y = 0;
				continue;
			};
			}
			pl->o.y += f * d.y;
			// try just dropping down
			pl->moving = false;
			pl->o.x -= f * d.x;
			pl->o.y -= f * d.y;
			if (collide(pl, false, drop, rise)) {
				d.y = d.x = 0;
				continue;
			};
			}
			pl->o.z -= f * d.z;
			break;
		}
	};
	}

	// detect wether player is outside map, used for skipping zbuffer clear
	// mostly

	if (pl->o.x < 0 || pl->o.x >= ssize || pl->o.y < 0 || pl->o.y > ssize) {
		pl->outsidemap = true;
	} else {
		sqr *s = S((int)pl->o.x, (int)pl->o.y);
		pl->outsidemap = SOLID(s) ||
		    pl->o.z < s->floor - (s->type == FHF ? s->vdelta / 4 : 0) ||
		    pl->o.z > s->ceil + (s->type == CHF ? s->vdelta / 4 : 0);
	};
	}

	// automatically apply smooth roll when strafing

	if (pl->strafe == 0) {
		pl->roll = pl->roll / (1 + (float)sqrt((float)curtime) / 25);
	} else {
		pl->roll += pl->strafe * curtime / -30.0f;
		if (pl->roll > maxroll)
			pl->roll = (float)maxroll;
		if (pl->roll < -maxroll)
			pl->roll = (float)-maxroll;
	};
	}

	// play sounds on water transitions

	if (!pl->inwater && water) {
		playsound(S_SPLASH2, &pl->o);
		pl->vel.z = 0;
	} else if (pl->inwater && !water)

		v.x = v1;                     \
		v.y = v2;                     \
		v.z = v3;                     \
		v.r = ls->r;                  \
		v.g = ls->g;                  \
		v.b = ls->b;                  \
		v.a = 255;                    \
	};
	}

#define vert(v1, v2, v3, ls, t1, t2)                                      \
	{                                                                 \
		vertf((float)(v1), (float)(v2), (float)(v3), ls, t1, t2); \
	}

int nquads;

}

#define stripend()                                                          \
	{                                                                   \
		if (floorstrip || deltastrip) {                             \
			addstrip(ogltex, firstindex, curvert - firstindex); \
			floorstrip = deltastrip = false;                    \
		};                                                          \
		}                                                           \
	};
	}
void
finishstrips()
{
	stripend();
}

sqr sbright, sdark;
VAR(lighterror, 1, 8, 100);

void
render_flat(int wtex, int x, int y, int size, int h, sqr *l1, sqr *l2, sqr *l3,
    sqr *l4, bool isceil) // floor/ceil quads
{
	vertcheck();
	if (showm) {
		l3 = l1 = &sbright;
		l4 = l2 = &sdark;
	};
	}

	int sx, sy;
	int gltex = lookuptexture(wtex, &sx, &sy);
	float xf = TEXTURESCALE / sx;
	float yf = TEXTURESCALE / sy;
	float xs = size * xf;
	float ys = size * yf;

		floorstrip = true;
		if (isceil) {
			vert(x + size, h, y, l2, xo + xs, yo);
			vert(x, h, y, l1, xo, yo);
		} else {
			vert(x, h, y, l1, xo, yo);
			vert(x + size, h, y, l2, xo + xs, yo);
		};
		}
		ol3r = l1->r;
		ol3g = l1->g;
		ol3b = l1->b;
		ol4r = l2->r;
		ol4g = l2->g;
		ol4b = l2->b;
	} else // continue strip

			ol3r = p3[0];
			ol3g = p3[1];
			ol3b = p3[2];
			uchar *p4 = (uchar *)(&verts[curvert - 2].r);
			ol4r = p4[0];
			ol4g = p4[1];
			ol4b = p4[2];
		};
	};
		}
	}

	if (isceil) {
		vert(x + size, h, y + size, l3, xo + xs, yo + ys);
		vert(x, h, y + size, l4, xo, yo + ys);
	} else {
		vert(x, h, y + size, l4, xo, yo + ys);
		vert(x + size, h, y + size, l3, xo + xs, yo + ys);
	};
	}

	oy = y;
	nquads++;
}

void
render_flatdelta(int wtex, int x, int y, int size, float h1, float h2, float h3,
    float h4, sqr *l1, sqr *l2, sqr *l3, sqr *l4,
    bool isceil) // floor/ceil quads on a slope
{
	vertcheck();
	if (showm) {
		l3 = l1 = &sbright;
		l4 = l2 = &sdark;
	};
	}

	int sx, sy;
	int gltex = lookuptexture(wtex, &sx, &sy);
	float xf = TEXTURESCALE / sx;
	float yf = TEXTURESCALE / sy;
	float xs = size * xf;
	float ys = size * yf;

		deltastrip = true;
		if (isceil) {
			vertf((float)x + size, h2, (float)y, l2, xo + xs, yo);
			vertf((float)x, h1, (float)y, l1, xo, yo);
		} else {
			vertf((float)x, h1, (float)y, l1, xo, yo);
			vertf((float)x + size, h2, (float)y, l2, xo + xs, yo);
		};
		}
		ol3r = l1->r;
		ol3g = l1->g;
		ol3b = l1->b;
		ol4r = l2->r;
		ol4g = l2->g;
		ol4b = l2->b;
	};
	}

	if (isceil) {
		vertf(
		    (float)x + size, h3, (float)y + size, l3, xo + xs, yo + ys);
		vertf((float)x, h4, (float)y + size, l4, xo, yo + ys);
	} else {
		vertf((float)x, h4, (float)y + size, l4, xo, yo + ys);
		vertf(
		    (float)x + size, h3, (float)y + size, l3, xo + xs, yo + ys);
	};
	}

	oy = y;
	nquads++;
}

void
render_2tris(sqr *h, sqr *s, int x1, int y1, int x2, int y2, int x3, int y3,

	} else {
		if (h1)
			render_2tris(
			    h1, s, x, y, x + size, y, x, y + size, s, t, u);
		if (h2)
			render_2tris(h2, s, x + size, y, x + size, y + size, x,
			    y + size, t, u, v);
	};
	}
}

void
render_square(int wtex, float floor1, float floor2, float ceil1, float ceil2,
    int x1, int y1, int x2, int y2, int size, sqr *l1, sqr *l2,
    bool flip) // wall quads
{
	stripend();
	vertcheck();
	if (showm) {
		l1 = &sbright;
		l2 = &sdark;
	};
	}

	int sx, sy;
	int gltex = lookuptexture(wtex, &sx, &sy);
	float xf = TEXTURESCALE / sx;
	float yf = TEXTURESCALE / sy;
	float xs = size * xf;
	float xo = xf * (x1 == x2 ? min(y1, y2) : min(x1, x2));

	if (!flip) {
		vertf((float)x2, ceil2, (float)y2, l2, xo + xs, -yf * ceil2);
		vertf((float)x1, ceil1, (float)y1, l1, xo, -yf * ceil1);
		vertf((float)x2, floor2, (float)y2, l2, xo + xs, -floor2 * yf);
		vertf((float)x1, floor1, (float)y1, l1, xo, -floor1 * yf);
	} else {
		vertf((float)x1, ceil1, (float)y1, l1, xo, -yf * ceil1);
		vertf((float)x2, ceil2, (float)y2, l2, xo + xs, -yf * ceil2);
		vertf((float)x1, floor1, (float)y1, l1, xo, -floor1 * yf);
		vertf((float)x2, floor2, (float)y2, l2, xo + xs, -floor2 * yf);
	};
	}

	nquads++;
	addstrip(gltex, curvert - 4, 4);
}

int wx1, wy1, wx2, wy2;

		for (int yy = wy1; yy < wy2; yy += watersubdiv) {
			float xo = xf * (xx + t2);
			float yo = yf * (yy + t2);
			if (yy == wy1) {
				vertw(xx, hf, yy, &dl, dx(xo), dy(yo), t1);
				vertw(xx + watersubdiv, hf, yy, &dl,
				    dx(xo + xs), dy(yo), t1);
			};
			}
			vertw(xx, hf, yy + watersubdiv, &dl, dx(xo),
			    dy(yo + ys), t1);
			vertw(xx + watersubdiv, hf, yy + watersubdiv, &dl,
			    dx(xo + xs), dy(yo + ys), t1);
		};
		}
		int n = (wy2 - wy1 - 1) / watersubdiv;
		nquads += n;
		n = (n + 2) * 2;
		glDrawArrays(GL_TRIANGLE_STRIP, curvert -= n, n);
	};
	}

	glDisable(GL_BLEND);
	glDepthMask(GL_TRUE);

	return nquads;
}

			wx1 = x;
		if (y < wy1)
			wy1 = y;
		if (x2 > wx2)
			wx2 = x2;
		if (y2 > wy2)
			wy2 = y2;
	};
	}
}

void
resetcubes()
{
	if (!verts)
		reallocv();
	floorstrip = deltastrip = false;
	wx1 = -1;
	nquads = 0;
	sbright.r = sbright.g = sbright.b = 255;
	sdark.r = sdark.g = sdark.b = 0;
}

	if (!sinit) {
		loopi(MAXSPHERES)
		{
			spheres[i].next = sempty;
			sempty = &spheres[i];
		}
		sinit = true;
	};
	}
	if (sempty) {
		sphere *p = sempty;
		sempty = p->next;
		p->o = o;
		p->max = max;
		p->size = 1;
		p->type = type;
		p->next = slist;
		slist = p;
	};
	}
}

void
renderspheres(int time)
{
	glDepthMask(GL_FALSE);
	glEnable(GL_BLEND);

		if (p->size > p->max) {
			*pp = p->next;
			p->next = sempty;
			sempty = p;
		} else {
			p->size += time / 100.0f;
			pp = &p->next;
		};
	};
		}
	}

	glDisable(GL_BLEND);
	glDepthMask(GL_TRUE);
}

string closeent;
OFString *entnames[] = {
    @"none?",
    @"light",
    @"playerstart",
    @"shells",
    @"bullets",
    @"rockets",
    @"riflerounds",
    @"health",
    @"healthboost",
    @"greenarmour",
    @"yellowarmour",
    @"quaddamage",
    @"teleport",
    @"teledest",
    @"mapmodel",
    @"monster",
    @"trigger",
    @"jumppad",
    @"?",
    @"?",
    @"?",
    @"?",
    @"?",
	@"none?",
	@"light",
	@"playerstart",
	@"shells",
	@"bullets",
	@"rockets",
	@"riflerounds",
	@"health",
	@"healthboost",
	@"greenarmour",
	@"yellowarmour",
	@"quaddamage",
	@"teleport",
	@"teledest",
	@"mapmodel",
	@"monster",
	@"trigger",
	@"jumppad",
	@"?",
	@"?",
	@"?",
	@"?",
	@"?",
};

void
renderents() // show sparkly thingies for map entities in edit mode
{
	closeent[0] = 0;
	if (!editmode)

{
	@autoreleasepool {
		static OFString *lastsky = @"";

		if ([lastsky isEqual:basename])
			return;

		static const OFString *side[] = {
		    @"ft", @"bk", @"lf", @"rt", @"dn", @"up"};
		static const OFString *side[] = { @"ft", @"bk", @"lf", @"rt",
			@"dn", @"up" };
		int texnum = 14;
		loopi(6)
		{
			OFString *path =
			    [OFString stringWithFormat:@"packages/%@_%@.jpg",
			              basename, side[i]];

	readmatrices();
	if (editmode) {
		if (cursordepth == 1.0f)
			worldpos = player1->o;
		glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
		cursorupdate();
		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
	};
	}

	glDisable(GL_DEPTH_TEST);
	invertperspective();
	glPushMatrix();
	glOrtho(0, VIRTW, VIRTH, 0, -1, 1);
	glEnable(GL_BLEND);

			drawicon(
			    (float)(player1->armourtype * 64), 0, 620, 1650);
		int g = player1->gunselect;
		int r = 64;
		if (g > 2) {
			g -= 3;
			r = 128;
		};
		}
		drawicon((float)(g * 64), (float)r, 1220, 1650);
		glPopMatrix();
	}

	glDepthMask(GL_TRUE);
	glDisable(GL_BLEND);
	glDisable(GL_TEXTURE_2D);
	glEnable(GL_DEPTH_TEST);
}

				SDL_FreeSurface(s);
				s = converted;
			} @finally {
				SDL_FreeFormat(format);
			}
		}

#if 0
		loopi(s->w * s->h * 3)
		{
		// loopi(s->w*s->h*3) { uchar *p = (uchar *)s->pixels+i; *p =
		// 255-*p; };
			uchar *p = (uchar *)s->pixels + i;
			*p = 255 - *p;
		}
#endif
		glBindTexture(GL_TEXTURE_2D, tnum);
		glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
		    clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
		    clamp ? GL_CLAMP_TO_EDGE : GL_REPEAT);
		glTexParameteri(

	if (hasoverbright) {
		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
		glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
		glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
		glTexEnvi(
		    GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT);
	};
	}
}

int skyoglid;

struct strip {
	int tex, start, num;
};

int xtraverts;

VAR(fog, 64, 180, 1024);
VAR(fogcolour, 0, 0x8099B3, 0xFFFFFF);

VARP(hudgun, 0, 1, 1);

OFString *hudgunnames[] = {@"hudguns/fist", @"hudguns/shotg", @"hudguns/chaing",
    @"hudguns/rocket", @"hudguns/rifle"};
OFString *hudgunnames[] = { @"hudguns/fist", @"hudguns/shotg",
	@"hudguns/chaing", @"hudguns/rocket", @"hudguns/rifle" };

void
drawhudmodel(int start, int end, float speed, int base)
{
	rendermodel(hudgunnames[player1->gunselect], start, end, 0, 1.0f,
	    player1->o.x, player1->o.z, player1->o.y, player1->yaw + 90,
	    player1->pitch, false, 1.0f, speed, 0, base);

	int rtime = reloadtime(player1->gunselect);
	if (player1->lastaction &&
	    player1->lastattackgun == player1->gunselect &&
	    lastmillis - player1->lastaction < rtime) {
		drawhudmodel(7, 18, rtime / 18.0f, player1->lastaction);
	} else {
		drawhudmodel(6, 1, 100, 0);
	};
	}

	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	gluPerspective(fovy, aspect, 0.15f, farplane);
	glMatrixMode(GL_MODELVIEW);

	glDisable(GL_CULL_FACE);
}

void
gl_drawframe(int w, int h, float curfps)
{
	float hf = hdr.waterlevel - 0.3f;
	float fovy = (float)fov * h / w;
	float aspect = w / (float)h;
	bool underwater = player1->o.z < hf;

	glFogi(GL_FOG_START, (fog + 64) / 8);
	glFogi(GL_FOG_END, fog);
	float fogc[4] = {(fogcolour >> 16) / 256.0f,
	    ((fogcolour >> 8) & 255) / 256.0f, (fogcolour & 255) / 256.0f,
	    1.0f};
	float fogc[4] = { (fogcolour >> 16) / 256.0f,
		((fogcolour >> 8) & 255) / 256.0f, (fogcolour & 255) / 256.0f,
		1.0f };
	glFogfv(GL_FOG_COLOR, fogc);
	glClearColor(fogc[0], fogc[1], fogc[2], 1.0f);

	if (underwater) {
		fovy += (float)sin(lastmillis / 1000.0) * 2.0f;
		aspect += (float)sin(lastmillis / 1000.0 + PI) * 0.1f;
		glFogi(GL_FOG_START, 0);
		glFogi(GL_FOG_END, (fog + 96) / 8);
	};
	}

	glClear((player1->outsidemap ? GL_COLOR_BUFFER_BIT : 0) |
	    GL_DEPTH_BUFFER_BIT);

	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	int farplane = fog * 5 / 2;

	if (!parinit) {
		loopi(MAXPARTICLES)
		{
			particles[i].next = parempty;
			parempty = &particles[i];
		}
		parinit = true;
	};
	}
	if (parempty) {
		particle *p = parempty;
		parempty = p->next;
		p->o = o;
		p->d = d;
		p->fade = fade;
		p->type = type;
		p->millis = lastmillis;
		p->next = parlist;
		parlist = p;
	};
	}
}

VAR(demotracking, 0, 0, 1);
VARP(particlesize, 20, 100, 500);

OFVector3D right, up;

	glDisable(GL_FOG);

	struct parttype {
		float r, g, b;
		int gr, tex;
		float sz;
	} parttypes[] = {
	    {0.7f, 0.6f, 0.3f, 2, 3, 0.06f},  // yellow: sparks
	    {0.5f, 0.5f, 0.5f, 20, 7, 0.15f}, // grey:   small smoke
	    {0.2f, 0.2f, 1.0f, 20, 3, 0.08f}, // blue:   edit mode entities
	    {1.0f, 0.1f, 0.1f, 1, 7, 0.06f},  // red:    blood spats
	    {1.0f, 0.8f, 0.8f, 20, 6, 1.2f},  // yellow: fireball1
	    {0.5f, 0.5f, 0.5f, 20, 7, 0.6f},  // grey:   big smoke
	    {1.0f, 1.0f, 1.0f, 20, 8, 1.2f},  // blue:   fireball2
	    {1.0f, 1.0f, 1.0f, 20, 9, 1.2f},  // green:  fireball3
	    {1.0f, 0.1f, 0.1f, 0, 7, 0.2f},   // red:    demotrack
		{ 0.7f, 0.6f, 0.3f, 2, 3, 0.06f },  // yellow: sparks
		{ 0.5f, 0.5f, 0.5f, 20, 7, 0.15f }, // grey:   small smoke
		{ 0.2f, 0.2f, 1.0f, 20, 3,
		    0.08f },                       // blue:   edit mode entities
		{ 1.0f, 0.1f, 0.1f, 1, 7, 0.06f }, // red:    blood spats
		{ 1.0f, 0.8f, 0.8f, 20, 6, 1.2f }, // yellow: fireball1
		{ 0.5f, 0.5f, 0.5f, 20, 7, 0.6f }, // grey:   big smoke
		{ 1.0f, 1.0f, 1.0f, 20, 8, 1.2f }, // blue:   fireball2
		{ 1.0f, 1.0f, 1.0f, 20, 9, 1.2f }, // green:  fireball3
		{ 1.0f, 0.1f, 0.1f, 0, 7, 0.2f },  // red:    demotrack
	};

	int numrender = 0;

	for (particle *p, **pp = &parlist; p = *pp;) {
		parttype *pt = &parttypes[p->type];

// rendertext.cpp: based on Don's gl_text.cpp

#include "cube.h"

short char_coords[96][4] = {
    {0, 0, 25, 64},       //!
    {25, 0, 54, 64},      //"
    {54, 0, 107, 64},     // #
    {107, 0, 148, 64},    //$
    {148, 0, 217, 64},    //%
    {217, 0, 263, 64},    //&
    {263, 0, 280, 64},    //'
    {280, 0, 309, 64},    //(
    {309, 0, 338, 64},    //)
    {338, 0, 379, 64},    //*
    {379, 0, 432, 64},    //+
    {432, 0, 455, 64},    //,
    {455, 0, 484, 64},    //-
    {0, 64, 21, 128},     //.
    {23, 64, 52, 128},    ///
    {52, 64, 93, 128},    // 0
    {93, 64, 133, 128},   // 1
    {133, 64, 174, 128},  // 2
    {174, 64, 215, 128},  // 3
    {215, 64, 256, 128},  // 4
    {256, 64, 296, 128},  // 5
    {296, 64, 337, 128},  // 6
    {337, 64, 378, 128},  // 7
    {378, 64, 419, 128},  // 8
    {419, 64, 459, 128},  // 9
    {459, 64, 488, 128},  //:
    {0, 128, 29, 192},    //;
    {29, 128, 81, 192},   //<
    {81, 128, 134, 192},  //=
    {134, 128, 186, 192}, //>
    {186, 128, 221, 192}, //?
    {221, 128, 285, 192}, //@
    {285, 128, 329, 192}, // A
    {329, 128, 373, 192}, // B
    {373, 128, 418, 192}, // C
    {418, 128, 467, 192}, // D
    {0, 192, 40, 256},    // E
    {40, 192, 77, 256},   // F
    {77, 192, 127, 256},  // G
    {127, 192, 175, 256}, // H
    {175, 192, 202, 256}, // I
    {202, 192, 231, 256}, // J
    {231, 192, 275, 256}, // K
    {275, 192, 311, 256}, // L
    {311, 192, 365, 256}, // M
    {365, 192, 413, 256}, // N
    {413, 192, 463, 256}, // O
    {1, 256, 38, 320},    // P
    {38, 256, 89, 320},   // Q
    {89, 256, 133, 320},  // R
    {133, 256, 176, 320}, // S
    {177, 256, 216, 320}, // T
    {217, 256, 263, 320}, // U
    {263, 256, 307, 320}, // V
    {307, 256, 370, 320}, // W
    {370, 256, 414, 320}, // X
    {414, 256, 453, 320}, // Y
    {453, 256, 497, 320}, // Z
    {0, 320, 29, 384},    //[
    {29, 320, 58, 384},   //"\"
    {59, 320, 87, 384},   //]
    {87, 320, 139, 384},  //^
    {139, 320, 180, 384}, //_
    {180, 320, 221, 384}, //`
    {221, 320, 259, 384}, // a
    {259, 320, 299, 384}, // b
    {299, 320, 332, 384}, // c
    {332, 320, 372, 384}, // d
    {372, 320, 411, 384}, // e
    {411, 320, 433, 384}, // f
    {435, 320, 473, 384}, // g
    {0, 384, 40, 448},    // h
    {40, 384, 56, 448},   // i
    {58, 384, 80, 448},   // j
    {80, 384, 118, 448},  // k
    {118, 384, 135, 448}, // l
    {135, 384, 197, 448}, // m
    {197, 384, 238, 448}, // n
    {238, 384, 277, 448}, // o
    {277, 384, 317, 448}, // p
    {317, 384, 356, 448}, // q
    {357, 384, 384, 448}, // r
    {385, 384, 417, 448}, // s
    {417, 384, 442, 448}, // t
    {443, 384, 483, 448}, // u
    {0, 448, 38, 512},    // v
    {38, 448, 90, 512},   // w
    {90, 448, 128, 512},  // x
    {128, 448, 166, 512}, // y
    {166, 448, 200, 512}, // z
    {200, 448, 241, 512}, //{
    {241, 448, 270, 512}, //|
    {270, 448, 310, 512}, //}
    {310, 448, 363, 512}, //~
	{ 0, 0, 25, 64 },       //!
	{ 25, 0, 54, 64 },      //"
	{ 54, 0, 107, 64 },     // #
	{ 107, 0, 148, 64 },    //$
	{ 148, 0, 217, 64 },    //%
	{ 217, 0, 263, 64 },    //&
	{ 263, 0, 280, 64 },    //'
	{ 280, 0, 309, 64 },    //(
	{ 309, 0, 338, 64 },    //)
	{ 338, 0, 379, 64 },    //*
	{ 379, 0, 432, 64 },    //+
	{ 432, 0, 455, 64 },    //,
	{ 455, 0, 484, 64 },    //-
	{ 0, 64, 21, 128 },     //.
	{ 23, 64, 52, 128 },    ///
	{ 52, 64, 93, 128 },    // 0
	{ 93, 64, 133, 128 },   // 1
	{ 133, 64, 174, 128 },  // 2
	{ 174, 64, 215, 128 },  // 3
	{ 215, 64, 256, 128 },  // 4
	{ 256, 64, 296, 128 },  // 5
	{ 296, 64, 337, 128 },  // 6
	{ 337, 64, 378, 128 },  // 7
	{ 378, 64, 419, 128 },  // 8
	{ 419, 64, 459, 128 },  // 9
	{ 459, 64, 488, 128 },  //:
	{ 0, 128, 29, 192 },    //;
	{ 29, 128, 81, 192 },   //<
	{ 81, 128, 134, 192 },  //=
	{ 134, 128, 186, 192 }, //>
	{ 186, 128, 221, 192 }, //?
	{ 221, 128, 285, 192 }, //@
	{ 285, 128, 329, 192 }, // A
	{ 329, 128, 373, 192 }, // B
	{ 373, 128, 418, 192 }, // C
	{ 418, 128, 467, 192 }, // D
	{ 0, 192, 40, 256 },    // E
	{ 40, 192, 77, 256 },   // F
	{ 77, 192, 127, 256 },  // G
	{ 127, 192, 175, 256 }, // H
	{ 175, 192, 202, 256 }, // I
	{ 202, 192, 231, 256 }, // J
	{ 231, 192, 275, 256 }, // K
	{ 275, 192, 311, 256 }, // L
	{ 311, 192, 365, 256 }, // M
	{ 365, 192, 413, 256 }, // N
	{ 413, 192, 463, 256 }, // O
	{ 1, 256, 38, 320 },    // P
	{ 38, 256, 89, 320 },   // Q
	{ 89, 256, 133, 320 },  // R
	{ 133, 256, 176, 320 }, // S
	{ 177, 256, 216, 320 }, // T
	{ 217, 256, 263, 320 }, // U
	{ 263, 256, 307, 320 }, // V
	{ 307, 256, 370, 320 }, // W
	{ 370, 256, 414, 320 }, // X
	{ 414, 256, 453, 320 }, // Y
	{ 453, 256, 497, 320 }, // Z
	{ 0, 320, 29, 384 },    //[
	{ 29, 320, 58, 384 },   //"\"
	{ 59, 320, 87, 384 },   //]
	{ 87, 320, 139, 384 },  //^
	{ 139, 320, 180, 384 }, //_
	{ 180, 320, 221, 384 }, //`
	{ 221, 320, 259, 384 }, // a
	{ 259, 320, 299, 384 }, // b
	{ 299, 320, 332, 384 }, // c
	{ 332, 320, 372, 384 }, // d
	{ 372, 320, 411, 384 }, // e
	{ 411, 320, 433, 384 }, // f
	{ 435, 320, 473, 384 }, // g
	{ 0, 384, 40, 448 },    // h
	{ 40, 384, 56, 448 },   // i
	{ 58, 384, 80, 448 },   // j
	{ 80, 384, 118, 448 },  // k
	{ 118, 384, 135, 448 }, // l
	{ 135, 384, 197, 448 }, // m
	{ 197, 384, 238, 448 }, // n
	{ 238, 384, 277, 448 }, // o
	{ 277, 384, 317, 448 }, // p
	{ 317, 384, 356, 448 }, // q
	{ 357, 384, 384, 448 }, // r
	{ 385, 384, 417, 448 }, // s
	{ 417, 384, 442, 448 }, // t
	{ 443, 384, 483, 448 }, // u
	{ 0, 448, 38, 512 },    // v
	{ 38, 448, 90, 512 },   // w
	{ 90, 448, 128, 512 },  // x
	{ 128, 448, 166, 512 }, // y
	{ 166, 448, 200, 512 }, // z
	{ 200, 448, 241, 512 }, //{
	{ 241, 448, 270, 512 }, //|
	{ 270, 448, 310, 512 }, //}
	{ 310, 448, 363, 512 }, //~
};

int
text_width(OFString *string)
{
	@autoreleasepool {
		const char *str = string.UTF8String;

void
perlinarea(block &b, int scale, int seed, int psize)
{
	srand(seed);
	seed = rnd(10000);
	if (!scale)
		scale = 10;
	for (int x = b.x; x <= b.x + b.xs; x++)
	for (int x = b.x; x <= b.x + b.xs; x++) {
		for (int y = b.y; y <= b.y + b.ys; y++) {
			sqr *s = S(x, y);
			if (!SOLID(s) && x != b.x + b.xs && y != b.y + b.ys)
				s->type = FHF;
			s->vdelta =
			    (int)(perlinnoise_2D(x / ((float)scale) + seed,
			              y / ((float)scale) + seed, 1000, 0.01f) *
			            50 +
			        25);
			if (s->vdelta > 128)
				s->vdelta = 0;
		};
		}
	}
}

void
stop()
{
	if (f) {
		if (demorecording)
			gzputi(-1);
		gzclose(f);
	};
	}
	f = NULL;
	demorecording = false;
	demoplayback = false;
	demoloading = false;
	loopv(playerhistory) zapdynent(playerhistory[i]);
	playerhistory.setsize(0);
}

};

vector<client> clients;

int maxclients = 8;
static OFString *smapname;

struct server_entity // server side version of "entity" type
// server side version of "entity" type
{
struct server_entity {
	bool spawned;
	int spawnsecs;
};

vector<server_entity> sents;

bool notgotitems =

	if (!packet)
		return;
	switch (clients[n].type) {
	case ST_TCPIP: {
		enet_peer_send(clients[n].peer, 0, packet);
		bsend += packet->dataLength;
		break;
	};
	}

	case ST_LOCAL:
		localservertoclient(packet->data, packet->dataLength);
		break;
	};
	}
}

void
send2(bool rel, int cn, int a, int b)
{
	ENetPacket *packet =
	    enet_packet_create(NULL, 32, rel ? ENET_PACKET_FLAG_RELIABLE : 0);

{
	if (i >= (uint)sents.length())
		return;
	if (sents[i].spawned) {
		sents[i].spawned = false;
		sents[i].spawnsecs = sec;
		send2(true, sender, SV_ITEMACC, i);
	};
	}
}

void
resetvotes()
{
	loopv(clients) clients[i].mapvote[0] = 0;
}

void
process(ENetPacket *packet, int sender) // sender may be -1
{
	if (ENET_NET_TO_HOST_16(*(ushort *)packet->data) !=
	    packet->dataLength) {
		disconnect_client(sender, "packet length");
		return;
	};
	}

	uchar *end = packet->data + packet->dataLength;
	uchar *p = packet->data + 2;
	char text[MAXTRANS];
	int cn = -1, type;

	while (p < end)

			break;
		}

		case SV_ITEMLIST: {
			int n;
			while ((n = getint(p)) != -1)
				if (notgotitems) {
					server_entity se = {false, 0};
					server_entity se = { false, 0 };
					while (sents.length() <= n)
						sents.add(se);
					sents[n].spawned = true;
				};
				}
			notgotitems = false;
			break;
		}

		case SV_ITEMPICKUP: {
			int n = getint(p);
			pickup(n, getint(p), sender);
			break;
		}

		case SV_PING:
			send2(false, cn, SV_PONG, getint(p));
			break;

		case SV_POS: {
			cn = getint(p);
			if (cn < 0 || cn >= clients.length() ||
			    clients[cn].type == ST_EMPTY) {
				disconnect_client(sender, "client num");
				return;
			};
			}
			int size = msgsizelookup(type);
			assert(size != -1);
			loopi(size - 2) getint(p);
			break;
		}

		case SV_SENDMAP: {

		case SV_EXT: // allows for new features that require no server
		             // updates
		{
			for (int n = getint(p); n; n--)
				getint(p);
			break;
		};
		}

		default: {
			int size = msgsizelookup(type);
			if (size == -1) {
				disconnect_client(sender, "tag type");
				return;
			};
			}
			loopi(size - 1) getint(p);
		};
		};
		}
		}

	if (p > end) {
		disconnect_client(sender, "end of packet");
		return;
	};
	}
	multicast(packet, sender);
}

void
send_welcome(int n)
{
	ENetPacket *packet =

void
checkintermission()
{
	if (!minremain) {
		interm = lastsec + 10;
		mapend = lastsec + 1000;
	};
	}
	send2(true, -1, SV_TIMEUP, minremain--);
}

void
startintermission()
{
	minremain = 0;

	loopv(sents) // spawn entities when timer reached
	{
		if (sents[i].spawnsecs &&
		    (sents[i].spawnsecs -= seconds - lastsec) <= 0) {
			sents[i].spawnsecs = 0;
			sents[i].spawned = true;
			send2(true, -1, SV_ITEMSPAWN, i);
		};
		}
	}

	lastsec = seconds;

	if ((mode > 1 || (mode == 0 && nonlocalclients)) &&
	    seconds > mapend - minremain * 60)
		checkintermission();
	if (interm && seconds > interm) {
		interm = 0;
		loopv(clients) if (clients[i].type != ST_EMPTY)
		{
			send2(true, i, SV_MAPRELOAD,
			    0); // ask a client to trigger map reload
			mapreload = true;
			break;
		}
	};
	}

	resetserverifempty();

	if (!isdedicated)
		return; // below is network only

	int numplayers = 0;

		laststatus = seconds;
		if (nonlocalclients || bsend || brec)
			printf("status: %d remote clients, %.1f send, %.1f rec "
			       "(K/sec)\n",
			    nonlocalclients, bsend / 60.0f / 1024,
			    brec / 60.0f / 1024);
		bsend = brec = 0;
	};
	}

	ENetEvent event;
	if (enet_host_service(serverhost, &event, timeout) > 0) {
		switch (event.type) {
		case ENET_EVENT_TYPE_CONNECT: {
			client &c = addclient();
			c.type = ST_TCPIP;

				break;
			printf("disconnected client (%s)\n",
			    clients[(intptr_t)event.peer->data].hostname);
			clients[(intptr_t)event.peer->data].type = ST_EMPTY;
			send2(true, -1, SV_CDIS, (intptr_t)event.peer->data);
			event.peer->data = (void *)-1;
			break;
		};

		if (numplayers > maxclients) {
		}

		if (numplayers > maxclients)
			disconnect_client(lastconnect, "maxclients reached");
		};
	};
	}
#ifndef _WIN32
	fflush(stdout);
#endif
}

void
cleanupserver()

{
	serverpassword = passwd;
	maxclients = maxcl;
	servermsinit(master ? master : @"wouter.fov120.com/cube/masterserver/",
	    sdesc, dedicated);

	if (isdedicated = dedicated) {
		ENetAddress address = {ENET_HOST_ANY, CUBE_SERVER_PORT};
		ENetAddress address = { ENET_HOST_ANY, CUBE_SERVER_PORT };
		@autoreleasepool {
			if (ip.length > 0 &&
			    enet_address_set_host(&address, ip.UTF8String) < 0)
				printf("WARNING: server ip not resolved");
		}
		serverhost = enet_host_create(&address, MAXCLIENTS, 0, uprate);
		if (!serverhost)
			fatal(@"could not create server host\n");
		loopi(MAXCLIENTS) serverhost->peers[i].data = (void *)-1;
	}

	resetserverifempty();

	if (isdedicated) // do not return, this becomes main loop
	// do not return, this becomes main loop
	{
	if (isdedicated) {
#ifdef _WIN32
		SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
#endif
		printf("dedicated server started, waiting for "
		       "clients...\nCtrl-C to exit\n\n");
		atexit(cleanupserver);
		atexit(enet_deinitialize);
		for (;;)
			serverslice(/*enet_time_get_sec()*/ time(NULL), 5);
	};
}
	}
}

		if (resolverqueries.empty()) {
			SDL_UnlockMutex(resolvermutex);
			continue;
		}
		rt->query = resolverqueries.pop();
		rt->starttime = lastmillis;
		SDL_UnlockMutex(resolvermutex);
		ENetAddress address = {ENET_HOST_ANY, CUBE_SERVINFO_PORT};
		ENetAddress address = { ENET_HOST_ANY, CUBE_SERVINFO_PORT };
		enet_address_set_host(&address, rt->query);
		SDL_LockMutex(resolvermutex);
		resolverresult &rr = resolverresults.add();
		rr.query = rt->query;
		rr.address = address;
		rt->query = NULL;
		rt->starttime = 0;
		SDL_UnlockMutex(resolvermutex);
	};
	}
	return 0;
}

void
resolverinit(int threads, int limit)
{
	resolverlimit = limit;

		resolverthread &rt = resolverthreads[i];
		if (rt.query) {
			if (lastmillis - rt.starttime > resolverlimit) {
				resolverstop(rt, true);
				*name = rt.query;
				SDL_UnlockMutex(resolvermutex);
				return true;
			};
		};
			}
		}
	}
	SDL_UnlockMutex(resolvermutex);
	return false;
}

struct serverinfo {
	string name;

	lastinfo = lastmillis;
}

void
checkresolver()
{
	char *name = NULL;
	ENetAddress addr = {ENET_HOST_ANY, CUBE_SERVINFO_PORT};
	ENetAddress addr = { ENET_HOST_ANY, CUBE_SERVINFO_PORT };
	while (resolvercheck(&name, &addr)) {
		if (addr.host == ENET_HOST_ANY)
			continue;
		loopv(servers)
		{
			serverinfo &si = servers[i];
			if (name == si.name) {

void
servermenu()
{
	if (pingsock == ENET_SOCKET_NULL) {
		pingsock = enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM, NULL);
		resolverinit(1, 1000);
	};
	}
	resolverclear();
	loopv(servers) resolverquery(servers[i].name);
	refreshservers();
	menuset(1);
}

void

	enet_uint32 events = ENET_SOCKET_WAIT_RECEIVE;
	if (enet_socket_wait(mssock, &events, 0) >= 0 && events) {
		int len = enet_socket_receive(mssock, NULL, &buf, 1);
		if (len <= 0) {
			enet_socket_destroy(mssock);
			mssock = ENET_SOCKET_NULL;
			return;
		};
		}
		buf.data = ((char *)buf.data) + len;
		((char *)buf.data)[0] = 0;
		buf.dataLength -= len;
	};
	}
}

uchar *
stripheader(uchar *b)
{
	char *s = strstr((char *)b, "\n\r\n");
	if (!s)
		s = strstr((char *)b, "\n\n");
	return s ? (uchar *)s : b;
}

ENetAddress masterserver = {ENET_HOST_ANY, 80};
ENetAddress masterserver = { ENET_HOST_ANY, 80 };
int updmaster = 0;
string masterbase;
string masterpath;
uchar masterrep[MAXTRANS];
ENetBuffer masterb;

void
updatemasterserver(int seconds)
{
	if (seconds >
	    updmaster) // send alive signal to masterserver every hour of uptime
	// send alive signal to masterserver every hour of uptime
	{
	if (seconds > updmaster) {
		sprintf_sd(path)("%sregister.do?action=add", masterpath);
		httpgetsend(masterserver, masterbase, path, "cubeserver",
		    "Cube Server");
		masterrep[0] = 0;
		masterb.data = masterrep;
		masterb.dataLength = MAXTRANS - 1;
		updmaster = seconds + 60 * 60;
	};
	}
}

void
checkmasterreply()
{
	bool busy = mssock != ENET_SOCKET_NULL;
	httpgetrecieve(masterb);

		if (!mid)
			mid = master;
		strcpy_s(masterpath, mid);
		strn0cpy(masterbase, master, mid - master + 1);
		serverdesc = sdesc;

		if (listen) {
			ENetAddress address = {
			    ENET_HOST_ANY, CUBE_SERVINFO_PORT};
			ENetAddress address = { ENET_HOST_ANY,
				CUBE_SERVINFO_PORT };
			pongsock = enet_socket_create(
			    ENET_SOCKET_TYPE_DATAGRAM, &address);
			if (pongsock == ENET_SOCKET_NULL)
				fatal(@"could not create server info socket\n");
		}
	}
}

		*p++ = n >> 8;
	} else {
		*p++ = 0x81;
		*p++ = n;
		*p++ = n >> 8;
		*p++ = n >> 16;
		*p++ = n >> 24;
	};
	}
}

int
getint(uchar *&p)
{
	int c = *((char *)p);
	p++;

		while (*t)
			putint(p, *t++);
		putint(p, 0);
	}
}

static const OFString *modenames[] = {
    @"SP",
    @"DMSP",
    @"ffa/default",
    @"coopedit",
    @"ffa/duel",
    @"teamplay",
    @"instagib",
    @"instagib team",
    @"efficiency",
    @"efficiency team",
    @"insta arena",
    @"insta clan arena",
    @"tactics arena",
    @"tactics clan arena",
	@"SP",
	@"DMSP",
	@"ffa/default",
	@"coopedit",
	@"ffa/duel",
	@"teamplay",
	@"instagib",
	@"instagib team",
	@"efficiency",
	@"efficiency team",
	@"insta arena",
	@"insta clan arena",
	@"tactics arena",
	@"tactics clan arena",
};

OFString *
modestr(int n)
{
	return (n >= -2 && n < 12) ? modenames[n + 2] : @"unknown";
}

char msgsizesl[] = // size inclusive message token, 0 for variable or
// size inclusive message token, 0 for variable or not-checked sizes
                   // not-checked sizes
    {SV_INITS2C, 4, SV_INITC2S, 0, SV_POS, 12, SV_TEXT, 0, SV_SOUND, 2, SV_CDIS,
        2, SV_EDITH, 7, SV_EDITT, 7, SV_EDITS, 6, SV_EDITD, 6, SV_EDITE, 6,
        SV_DIED, 2, SV_DAMAGE, 4, SV_SHOT, 8, SV_FRAGS, 2, SV_MAPCHANGE, 0,
        SV_ITEMSPAWN, 2, SV_ITEMPICKUP, 3, SV_DENIED, 2, SV_PING, 2, SV_PONG, 2,
        SV_CLIENTPING, 2, SV_GAMEMODE, 2, SV_TIMEUP, 2, SV_EDITENT, 10,
        SV_MAPRELOAD, 2, SV_ITEMACC, 2, SV_SENDMAP, 0, SV_RECVMAP, 1,
        SV_SERVMSG, 0, SV_ITEMLIST, 0, SV_EXT, 0, -1};
char msgsizesl[] = { SV_INITS2C, 4, SV_INITC2S, 0, SV_POS, 12, SV_TEXT, 0,
	SV_SOUND, 2, SV_CDIS, 2, SV_EDITH, 7, SV_EDITT, 7, SV_EDITS, 6,
	SV_EDITD, 6, SV_EDITE, 6, SV_DIED, 2, SV_DAMAGE, 4, SV_SHOT, 8,
	SV_FRAGS, 2, SV_MAPCHANGE, 0, SV_ITEMSPAWN, 2, SV_ITEMPICKUP, 3,
	SV_DENIED, 2, SV_PING, 2, SV_PONG, 2, SV_CLIENTPING, 2, SV_GAMEMODE, 2,
	SV_TIMEUP, 2, SV_EDITENT, 10, SV_MAPRELOAD, 2, SV_ITEMACC, 2,
	SV_SENDMAP, 0, SV_RECVMAP, 1, SV_SERVMSG, 0, SV_ITEMLIST, 0, SV_EXT, 0,
	-1 };

char
msgsizelookup(int msg)
{
	for (char *p = msgsizesl; *p >= 0; p += 2)
		if (*p == msg)
			return p[1];

				passwd = a;
				break;
			case 'c':
				maxcl = atoi(a);
				break;
			default:
				printf("WARNING: unknown commandline option\n");
			};
	};
			}
	}

	if (enet_initialize() < 0)
		fatal(@"Unable to initialise network module");
	initserver(true, uprate, @(sdesc), @(ip), @(master), @(passwd), maxcl);
	return 0;
}
#endif

#ifdef USE_MIXER
		Mix_HaltMusic();
		Mix_FreeMusic(mod);
#else
		FMUSIC_FreeSong(mod);
#endif
		mod = NULL;
	};
	}
	if (stream) {
#ifndef USE_MIXER
		FSOUND_Stream_Close(stream);
#endif
		stream = NULL;
	};
	}
}

VAR(soundbufferlen, 128, 1024, 4096);

void
initsound()
{
	memset(soundlocs, 0, sizeof(soundloc) * MAXCHAN);
#ifdef USE_MIXER
	if (Mix_OpenAudio(SOUNDFREQ, MIX_DEFAULT_FORMAT, 2, soundbufferlen) <
	    0) {
		conoutf(@"sound init failed (SDL_mixer): %s",
		    (size_t)Mix_GetError());
		nosound = true;
	};
	}
	Mix_AllocateChannels(MAXCHAN);
#else
	if (FSOUND_GetVersion() < FMOD_VERSION)
		fatal(@"old FMOD dll");
	if (!FSOUND_Init(SOUNDFREQ, MAXCHAN, FSOUND_INIT_GLOBALFOCUS)) {
		conoutf(@"sound init failed (FMOD): %d", FSOUND_GetError());
		nosound = true;

			float yaw = -atan2(v.x, v.y) -
			    player1->yaw *
			        (PI / 180.0f); // relative angle of
			                       // sound along X-Y axis
			pan = int(255.9f *
			    (0.5 * sin(yaw) + 0.5f)); // range is from 0 (left)
			                              // to 255 (right)
		};
	};
		}
	}
	vol = (vol * MAXVOL) / 255;
#ifdef USE_MIXER
	Mix_Volume(chan, vol);
	Mix_SetPanning(chan, 255 - pan, pan);
#else
	FSOUND_SetVolume(chan, vol);
	FSOUND_SetPan(chan, pan);

static const int MONSTERDAMAGEFACTOR = 4;
static const int SGRAYS = 20;
static const float SGSPREAD = 2;
static OFVector3D sg[SGRAYS];

static const guninfo guns[NUMGUNS] = {
    {S_PUNCH1, 250, 50, 0, 0, 1, @"fist"},
    {S_SG, 1400, 10, 0, 0, 20, @"shotgun"}, // *SGRAYS
    {S_CG, 100, 30, 0, 0, 7, @"chaingun"},
    {S_RLFIRE, 800, 120, 80, 0, 10, @"rocketlauncher"},
    {S_RIFLE, 1500, 100, 0, 0, 30, @"rifle"},
    {S_FLAUNCH, 200, 20, 50, 4, 1, @"fireball"},
    {S_ICEBALL, 200, 40, 30, 6, 1, @"iceball"},
    {S_SLIMEBALL, 200, 30, 160, 7, 1, @"slimeball"},
    {S_PIGR1, 250, 50, 0, 0, 1, @"bite"},
	{ S_PUNCH1, 250, 50, 0, 0, 1, @"fist" },
	{ S_SG, 1400, 10, 0, 0, 20, @"shotgun" }, // *SGRAYS
	{ S_CG, 100, 30, 0, 0, 7, @"chaingun" },
	{ S_RLFIRE, 800, 120, 80, 0, 10, @"rocketlauncher" },
	{ S_RIFLE, 1500, 100, 0, 0, 30, @"rifle" },
	{ S_FLAUNCH, 200, 20, 50, 4, 1, @"fireball" },
	{ S_ICEBALL, 200, 40, 30, 6, 1, @"iceball" },
	{ S_SLIMEBALL, 200, 30, 160, 7, 1, @"slimeball" },
	{ S_PIGR1, 250, 50, 0, 0, 1, @"bite" },
};

void
selectgun(int a, int b, int c)
{
	if (a < -1 || b < -1 || c < -1 || a >= NUMGUNS || b >= NUMGUNS ||
	    c >= NUMGUNS)

	if (d == player1)
		selfdamage(damage, at == player1 ? -1 : -2, at);
	else if (d->monsterstate)
		monsterpain(d, damage, at);
	else {
		addmsg(1, 4, SV_DAMAGE, target, damage, d->lifesequence);
		playsound(S_PAIN1 + rnd(5), &d->o);
	};
	}
	particle_splash(3, damage, 1000, d->o);
	demodamage(damage, d->o);
}

const float RL_RADIUS = 5;
const float RL_DAMRAD = 7; // hack

			if (tag) {
				if (tag == s->tag)
					s->type = SPACE;
				else
					continue;
			} else {
				s->type = type ? SOLID : SPACE;
			};
			}
			if (x > maxx)
				maxx = x;
			if (y > maxy)
				maxy = y;
			if (x < minx)
				minx = x;
			if (y < miny)
				miny = y;
		};
	}
	block b = {minx, miny, maxx - minx + 1, maxy - miny + 1};
		}
	}
	block b = { minx, miny, maxx - minx + 1, maxy - miny + 1 };
	if (maxx)
		remip(b); // remip minimal area of changed geometry
}

void
resettagareas()
{

	sqr *v = wmip[level + 1];
	int ws = ssize >> level;
	int vs = ssize >> (level + 1);
	block s = b;
	if (s.x & 1) {
		s.x--;
		s.xs++;
	};
	}
	if (s.y & 1) {
		s.y--;
		s.ys++;
	};
	}
	s.xs = (s.xs + 1) & ~1;
	s.ys = (s.ys + 1) & ~1;
	for (int x = s.x; x < s.x + s.xs; x += 2)
		for (int y = s.y; y < s.y + s.ys; y += 2) {
			sqr *o[4];
			o[0] = SWS(w, x, y, ws); // the 4 constituent cubes
			o[1] = SWS(w, x + 1, y, ws);

							ch += o[i]->vdelta / 4 +
							    2; // FIXME: needs
							       // to somehow
							       // take into
							       // account middle
							       // vertices on
							       // higher mips
					};
					}
					if (fh < floor)
						floor =
						    fh; // take lowest floor and
						        // highest ceil, so we
						        // never have to see
						        // missing lower/upper
						        // from the side
					if (ch > ceil)
						ceil = ch;
				}
				r->floor = floor;
				r->ceil = ceil;
			};
			}
			if (r->type == CORNER)
				goto mip; // special case: don't ever split even
				          // if textures etc are different
			r->defer = 1;
			if (SOLID(r)) {
				loopi(3)
				{

					            SWS(w, x + 2, y + 1, ws)
					                ->vdelta ||
					    o[1]->vdelta - o[2]->vdelta !=
					        o[2]->vdelta -
					            SWS(w, x + 1, y + 2, ws)
					                ->vdelta)
						goto c;
				};
			};
				}
			}
			{
				loopi(4) if (o[i]->defer) goto c;
			}; // if any of the constituents is not perfect, then
			   // this one isn't either
			} // if any of the constituents is not perfect, then
			  // this one isn't either
		mip:
			r->defer = 0;
		c:;
		};
		}
	s.x /= 2;
	s.y /= 2;
	s.xs /= 2;
	s.ys /= 2;
	remip(s, level + 1);
}

		if (e.type == NOTUSED)
			continue;
		OFVector3D v = OFMakeVector3D(e.x, e.y, e.z);
		vdist(dist, t, player1->o, v);
		if (dist < bdist) {
			best = i;
			bdist = dist;
		};
		}
	}
	return bdist == 99999 ? -1 : best;
}

void
entproperty(int prop, int amount)
{

		break;
	case 2:
		ents[e].attr3 += amount;
		break;
	case 3:
		ents[e].attr4 += amount;
		break;
	};
	}
}

void
delent()
{
	int e = closestent();
	if (e < 0) {

	}
}

entity *
newentity(int x, int y, int z, OFString *what, int v1, int v2, int v3, int v4)
{
	int type = findtype(what);
	persistent_entity e = {(short)x, (short)y, (short)z, (short)v1,
	    (uchar)type, (uchar)v2, (uchar)v3, (uchar)v4};
	persistent_entity e = { (short)x, (short)y, (short)z, (short)v1,
		(uchar)type, (uchar)v2, (uchar)v3, (uchar)v4 };
	switch (type) {
	case LIGHT:
		if (v1 > 32)
			v1 = 32;
		if (!v1)
			e.attr1 = 16;
		if (!v2 && !v3 && !v4)
			e.attr2 = 255;
		break;

	case MAPMODEL:
		e.attr4 = e.attr3;
		e.attr3 = e.attr2;
	case MONSTER:
	case TELEDEST:
		e.attr2 = (uchar)e.attr1;
	case PLAYERSTART:
		e.attr1 = (int)player1->yaw;
		break;
	};
	}
	addmsg(1, 10, SV_EDITENT, ents.length(), type, e.x, e.y, e.z, e.attr1,
	    e.attr2, e.attr3, e.attr4);
	ents.add(*((entity *)&e)); // unsafe!
	if (type == LIGHT)
		calclight();
	return &ents.last();
}

			e.attr1 = 2;
		if (e.attr1 > 32)
			e.attr1 = 32;
		if (intens) {
			scalecomp(e.attr2, intens);
			scalecomp(e.attr3, intens);
			scalecomp(e.attr4, intens);
		};
		}
	}
	calclight();
}
COMMAND(scalelights, ARG_2INT)

int
findentity(int type, int index)

	cleardlights();
	pruneundos();
	sqr *oldworld = world;
	bool copy = false;
	if (oldworld && factor < 0) {
		factor = sfactor + 1;
		copy = true;
	};
	}
	if (factor < SMALLEST_FACTOR)
		factor = SMALLEST_FACTOR;
	if (factor > LARGEST_FACTOR)
		factor = LARGEST_FACTOR;
	setupworld(factor);

	loop(x, ssize) loop(y, ssize)

		}
	} else {
		strn0cpy(hdr.maptitle, "Untitled Map by Unknown", 128);
		hdr.waterlevel = -100000;
		loopi(15) hdr.reserved[i] = 0;
		loopk(3) loopi(256) hdr.texlists[k][i] = i;
		ents.setsize(0);
		block b = {8, 8, ssize - 16, ssize - 16};
		block b = { 8, 8, ssize - 16, ssize - 16 };
		edittypexy(SPACE, b);
	}

	calclight();
	startmap(@"base/unnamed");
	if (oldworld) {
		free(oldworld);

				if (SOLID(s))
					return;
				x += stepx;
				y += stepy;
				l -= stepl;
				stepl -= 25;
			}
		};
		}
	} else // the old (white) light code, here for the few people with old
	       // video cards that don't support overbright
	{
		loopi(steps)
		{
			sqr *s = S(x >> PRECBITS, y >> PRECBITS);
			int light = l >> PRECBITS;
			if (light > s->r)
				s->r = s->g = s->b = (uchar)light;
			if (SOLID(s))
				return;
			x += stepx;
			y += stepy;
			l -= stepl;
		}
	};
	}
}

void
calclightsource(persistent_entity &l)
{
	int reach = l.attr1;
	int sx = l.x - reach;
	int ex = l.x + reach;
	int sy = l.y - reach;
	int ey = l.y + reach;

	rndreset();

	const float s = 0.8f;

	for (float sx2 = (float)sx; sx2 <= ex; sx2 += s * 2) {
		lightray(sx2, (float)sy, l);
		lightray(sx2, (float)ey, l);
	};
	}
	for (float sy2 = sy + s; sy2 <= ey - s; sy2 += s * 2) {
		lightray((float)sx, sy2, l);
		lightray((float)ex, sy2, l);
	};
	}

	rndtime();
}

void
postlightarea(block &a) // median filter, smooths out random noise in light and
                        // makes it more mipable

	loopv(ents)
	{
		entity &e = ents[i];
		if (e.type == LIGHT)
			calclightsource(e);
	}

	block b = {1, 1, ssize - 2, ssize - 2};
	block b = { 1, 1, ssize - 2, ssize - 2 };
	postlightarea(b);
	setvar(@"fullbright", 0);
}

VARP(dynlight, 0, 16, 32);

vector<block *> dlights;

		reach = reach / 2;
	if (!reach)
		return;
	if (v.x < 0 || v.y < 0 || v.x > ssize || v.y > ssize)
		return;

	int creach = reach + 16; // dependant on lightray random offsets!
	block b = {(int)v.x - creach, (int)v.y - creach, creach * 2 + 1,
	    creach * 2 + 1};
	block b = { (int)v.x - creach, (int)v.y - creach, creach * 2 + 1,
		creach * 2 + 1 };

	if (b.x < 1)
		b.x = 1;
	if (b.y < 1)
		b.y = 1;
	if (b.xs + b.x > ssize - 2)
		b.xs = ssize - 2 - b.x;
	if (b.ys + b.y > ssize - 2)
		b.ys = ssize - 2 - b.y;

	dlights.add(blockcopy(b)); // backup area before rendering in dynlight

	persistent_entity l = {(short)v.x, (short)v.y, (short)v.z, (short)reach,
	    LIGHT, (uchar)strength, 0, 0};
	persistent_entity l = { (short)v.x, (short)v.y, (short)v.z,
		(short)reach, LIGHT, (uchar)strength, 0, 0 };
	calclightsource(l);
	postlightarea(b);
}

// utility functions also used by editing code

block *

				dy = -(ray - 4);
			} else if (ray >= 5 && ray < 7) {
				dx = ray - 6;
				dy = -1;
			} else {
				dx = 1;
				dy = ray > 4 ? ray - 8 : ray;
			};
			}
			float sx = vx;
			float sy = vy;
			for (;;) {
				sx += dx;
				sy += dy;
				if (SOLID(S(fast_f2nat(sx),
				        fast_f2nat(
				            sy)))) // 90% of time spend in this
				                   // function is on this line
				// 90% of time spend in this function is on this
				// line
				{
				if (SOLID(S(fast_f2nat(sx), fast_f2nat(sy)))) {
					rdist[i] = (float)(fabs(sx - vx) +
					    fabs(sy - vy));
					break;
				};
			};
		} else {
				}
			}
		} else
			rdist[i] = 2;
		};
	}
}

// test occlusion for a cube... one of the most computationally expensive
// functions in the engine as its done for every cube and entity, but its effect
// is more than worth it!

					    4;
					l = ma(-(cx + csize - vx), -(cy - vy)) +
					    4;
				} // D
			} else {
				h = ca(cy + csize - vy, -(cx + csize - vx)) + 2;
				l = ca(cy - vy, -(cx - vx)) + 2;
			}; // F
		} else // BG
			} // F
		} else { // BG
		{
			if (cy <= vy) {
				if (cy + csize < vy) {
					h = ma(-(cy + csize - vy), cx - vx) + 6;
					l = ma(-(cy + csize - vy),
					        cx + csize - vx) +
					    6;
				} // B
				else
					return 0;
			} else {
				h = ma(cy - vy, -(cx + csize - vx)) + 2;
				l = ma(cy - vy, -(cx - vx)) + 2;
			}; // G
			} // G
		};
		}
	} else // CEH
	{
		if (cy <= vy) // CE
		{
			if (cy + csize < vy) {
				h = ca(-(cy - vy), cx - vx) + 6;
				l = ca(-(cy + csize - vy), cx + csize - vx) + 6;
			} // C
			else {
				h = ma(cx - vx, cy - vy);
				l = ma(cx - vx, cy + csize - vy);
			}; // E
			} // E
		} else {
			h = ca(cx + csize - vx, cy - vy);
			l = ca(cx - vx, cy + csize - vy);
		}; // H
		} // H
	};
	}
	int si = fast_f2nat(h * (NUMRAYS / 8)) +
	    NUMRAYS; // get indexes into occlusion map from angles
	int ei = fast_f2nat(l * (NUMRAYS / 8)) + NUMRAYS + 1;
	if (ei <= si)
		ei += NUMRAYS;

	for (int i = si; i <= ei; i++) {
		if (dist < rdist[i & (NUMRAYS - 1)])
			return 0; // if any value in this segment of the
			          // occlusion map is further away then cube is
			          // not occluded
			// if any value in this segment of the occlusion map is
			// further away then cube is not occluded
			return 0;
	};
	}

	return 1; // cube is entirely occluded
}

{
	if (SOLID(o) || o->type == SEMISOLID) {
		float c1 = s->floor;
		float c2 = s->floor;
		if (s->type == FHF) {
			c1 -= d1->vdelta / 4.0f;
			c2 -= d2->vdelta / 4.0f;
		};
		}
		float f1 = s->ceil;
		float f2 = s->ceil;
		if (s->type == CHF) {
			f1 += d1->vdelta / 4.0f;
			f2 += d2->vdelta / 4.0f;
		};
		}
		// if(f1-c1<=0 && f2-c2<=0) return;
		render_square(o->wtex, c1, c2, f1, f2, x1 << mip, y1 << mip,
		    x2 << mip, y2 << mip, 1 << mip, d1, d2, topleft);
		return;
	};
	}
	{
		float f1 = s->floor;
		float f2 = s->floor;
		float c1 = o->floor;
		float c2 = o->floor;
		if (o->type == FHF && s->type != FHF) {
			c1 -= d1->vdelta / 4.0f;
			c2 -= d2->vdelta / 4.0f;
		}
		if (s->type == FHF && o->type != FHF) {
			f1 -= d1->vdelta / 4.0f;
			f2 -= d2->vdelta / 4.0f;
		}
		if (f1 >= c1 && f2 >= c2)
			goto skip;
		render_square(o->wtex, f1, f2, c1, c2, x1 << mip, y1 << mip,
		    x2 << mip, y2 << mip, 1 << mip, d1, d2, topleft);
	};
	}
skip: {
	float f1 = o->ceil;
	float f2 = o->ceil;
	float c1 = s->ceil;
	float c2 = s->ceil;
	if (o->type == CHF && s->type != CHF) {
		f1 += d1->vdelta / 4.0f;
		f2 += d2->vdelta / 4.0f;
	} else if (s->type == CHF && o->type != CHF) {
		c1 += d1->vdelta / 4.0f;
		c2 += d2->vdelta / 4.0f;
	}
	if (c1 <= f1 && c2 <= f2)
		return;
	render_square(o->utex, f1, f2, c1, c2, x1 << mip, y1 << mip, x2 << mip,
	    y2 << mip, 1 << mip, d1, d2, topleft);
};
}
}

const int MAX_MIP = 5; // 32x32 unit blocks
const int MIN_LOD = 2;
const int LOW_LOD = 25;
const int MAX_LOD = 1000;

		if (issemi(mip, x + x1, y + y1, x1, y1, x2, y2))
			return true;
	case CORNER:
	case SOLID:
		break;
	default:
		return true;
	};
	}
	switch (SWS(w, x + x2, y + y2, msize)->type) {
	case SEMISOLID:
		if (issemi(mip, x + x2, y + y2, x1, y1, x2, y2))
			return true;
	case CORNER:
	case SOLID:
		break;
	default:
		return true;
	};
	}
	return false;
}

bool render_floor, render_ceil;

// the core recursive function, renders a rect of cubes at a certain mip level
// from a viewer perspective call itself for lower mip levels, on most modern

	    vxx - lodleft; // these mark the rect inside the current rest that
	                   // we want to render using a lower mip level
	int ly = vyy - lodtop;
	int rx = vxx + lodright;
	int ry = vyy + lodbot;

	float fsize = (float)(1 << mip);
	for (int ox = x; ox < xs; ox++)
	for (int ox = x; ox < xs; ox++) {
		for (int oy = y; oy < ys;
		     oy++) // first collect occlusion information for this block
		// first collect occlusion information for this block
		{
		for (int oy = y; oy < ys; oy++) {
			SWS(w, ox, oy, sz)->occluded =
			    isoccluded(player1->o.x, player1->o.y,
			        (float)(ox << mip), (float)(oy << mip), fsize);
		};
		}
	}

	int pvx = (int)vx >> mip;
	int pvy = (int)vy >> mip;
	if (pvx >= 0 && pvy >= 0 && pvx < sz && pvy < sz) {
		// SWS(w,vxx,vyy,sz)->occluded = 0;
		SWS(w, pvx, pvy, sz)->occluded =
		    0; // player cell never occluded
	};
	}

#define df(x) s->floor - (x->vdelta / 4.0f)
#define dc(x) s->ceil + (x->vdelta / 4.0f)

	// loop through the rect 3 times (for floor/ceil/walls seperately, to
	// facilitate dynamic stripify) for each we skip occluded cubes
	// (occlusion at higher mip levels is a big time saver!). during the

		render_flat(s->ctex, xx << mip, yy << mip, 1 << mip, s->ceil, s,
		    t, u, v, true);
	if (s->type == CHF) // if(s->ceil>=vh)
		render_flatdelta(s->ctex, xx << mip, yy << mip, 1 << mip, dc(s),
		    dc(t), dc(u), dc(v), s, t, u, v, true);
}
}
;

LOOPH continue; // floors
LOOPD
if ((s->type == SPACE || s->type == CHF) && s->floor <= vh && render_floor) {
	render_flat(s->ftex, xx << mip, yy << mip, 1 << mip, s->floor, s, t, u,
	    v, false);
	if (s->floor < hdr.waterlevel && !SOLID(s))
		addwaterquad(xx << mip, yy << mip, 1 << mip);
};
}
if (s->type == FHF) {
	render_flatdelta(s->ftex, xx << mip, yy << mip, 1 << mip, df(s), df(t),
	    df(u), df(v), s, t, u, v, false);
	if (s->floor - s->vdelta / 4.0f < hdr.waterlevel && !SOLID(s))
		addwaterquad(xx << mip, yy << mip, 1 << mip);
};
}
}
;
}

LOOPH continue; // walls
LOOPD
//  w
// zSt
//  vu

		if (SOLID(w)) {
			render_wall(w, h2 = s, xx + 1, yy, xx, yy + 1, mip, t,
			    v, false);
			topleft = false;
		} else if (SOLID(v)) {
			render_wall(v, h2 = s, xx, yy, xx + 1, yy + 1, mip, s,
			    u, false);
		};
		}
	} else if (SOLID(t)) {
		if (SOLID(w)) {
			render_wall(w, h1 = s, xx + 1, yy + 1, xx, yy, mip, u,
			    s, false);
		} else if (SOLID(v)) {
			render_wall(v, h1 = s, xx, yy + 1, xx + 1, yy, mip, v,
			    t, false);
			topleft = false;
		};
		}
	} else {
		normalwall = false;
		bool wv = w->ceil - w->floor < v->ceil - v->floor;
		if (z->ceil - z->floor < t->ceil - t->floor) {
			if (wv) {
				render_wall(h1 = s, h2 = v, xx + 1, yy, xx,
				    yy + 1, mip, t, v, false);
				topleft = false;
			} else {
				render_wall(h1 = s, h2 = w, xx, yy, xx + 1,
				    yy + 1, mip, s, u, false);
			};
			}
		} else {
			if (wv) {
				render_wall(h2 = s, h1 = v, xx + 1, yy + 1, xx,
				    yy, mip, u, s, false);
			} else {
				render_wall(h2 = s, h1 = w, xx, yy + 1, xx + 1,
				    yy, mip, v, t, false);
				topleft = false;
			};
		};
	};
			}
		}
	}
	render_tris(
	    xx << mip, yy << mip, 1 << mip, topleft, h1, h2, s, t, u, v);
}

if (normalwall) {
	bool inner = xx != sz - 1 && yy != sz - 1;

	    (!SOLID(s) || w->type != CORNER) &&
	    (w->type != SEMISOLID || issemi(mip, xx, yy - 1, 0, 1, 1, 1)))
		render_wall(s, w, xx, yy, xx + 1, yy, mip, s, t, false);
	if (yy <= vyy && inner && !SOLID(v) &&
	    (!SOLID(s) || v->type != CORNER) &&
	    (v->type != SEMISOLID || issemi(mip, xx, yy + 1, 0, 0, 1, 0)))
		render_wall(s, v, xx, yy + 1, xx + 1, yy + 1, mip, v, u, true);
};
}
}
;
}
;
}

void
distlod(int &low, int &high, int angle, float widef)
{
	float f = 90.0f / lod / widef;
	low = (int)((90 - angle) / f);
	high = (int)(angle / f);

    float vx, float vy, float vh, int yaw, int pitch, float fov, int w, int h)
{
	loopi(LARGEST_FACTOR) stats[i] = 0;
	min_lod = MIN_LOD + abs(pitch) / 12;
	yaw = 360 - yaw;
	float widef = fov / 75.0f;
	int cdist = abs(yaw % 90 - 45);
	if (cdist < 7) // hack to avoid popup at high fovs at 45 yaw
	// hack to avoid popup at high fovs at 45 yaw
	{
		min_lod = max(min_lod,
	if (cdist < 7) {
		// less if lod worked better
		min_lod =
		    (int)(MIN_LOD +
		        (10 - cdist) / 1.0f *
		    max(min_lod, (int)(MIN_LOD + (10 - cdist) / 1.0f * widef));
		            widef)); // less if lod worked better
		widef = 1.0f;
	};
	}
	lod = MAX_LOD;
	lodtop = lodbot = lodleft = lodright = min_lod;
	if (yaw > 45 && yaw <= 135) {
		lodleft = lod;
		distlod(lodtop, lodbot, yaw - 45, widef);
	} else if (yaw > 135 && yaw <= 225) {
		lodbot = lod;
		distlod(lodleft, lodright, yaw - 135, widef);
	} else if (yaw > 225 && yaw <= 315) {
		lodright = lod;
		distlod(lodbot, lodtop, yaw - 225, widef);
	} else {
		lodtop = lod;
		distlod(
		    lodright, lodleft, yaw <= 45 ? yaw + 45 : yaw - 315, widef);
	};
	}
	float hyfov = fov * h / w / 2;
	render_floor = pitch < hyfov;
	render_ceil = -pitch < hyfov;

	render_seg_new(
	    vx, vy, vh, MAX_MIP, 0, 0, ssize >> MAX_MIP, ssize >> MAX_MIP);
	mipstats(stats[0], stats[1], stats[2]);
}