Cube  Check-in [d7661be1b1]

#import "Identifier.h"

OF_ASSUME_NONNULL_BEGIN

#define COMMAND(name, nargs, block_)                                         \
	OF_CONSTRUCTOR()                                                     \
	{                                                                    \
		enqueueInit(^{                                               \
			[Identifier                                          \
			    addIdentifier:[Command commandWithName:@ #name   \
			                            argumentsTypes:nargs     \
			                                     block:block_]]; \
		});                                                          \
	}

@interface Command: Identifier

@property (readonly, nonatomic) int argumentsTypes;

+ (instancetype)commandWithName:(OFString *)name

                 argumentsTypes:(int)argumentsTypes
                          block:(id)block;
- (instancetype)initWithName:(OFString *)name OF_UNAVAILABLE;
- (instancetype)initWithName:(OFString *)name

              argumentsTypes:(int)argumentsTypes
                       block:(id)block;
- (int)callWithArguments:(OFArray<OFString *> *)arguments isDown:(bool)isDown;
@end

OF_ASSUME_NONNULL_END

		[copy addObject:@""];

	[copy makeImmutable];
	return copy;
}

@implementation Command
{
	id _block;
}

+ (instancetype)commandWithName:(OFString *)name

                 argumentsTypes:(int)argumentsTypes
                          block:(id)block
{
	return [[self alloc] initWithName:name

	                   argumentsTypes:argumentsTypes
	                            block:block];
}

- (instancetype)initWithName:(OFString *)name

              argumentsTypes:(int)argumentsTypes
                       block:(id)block
{
	self = [super initWithName:name];


	_argumentsTypes = argumentsTypes;
	_block = block;

	return self;
}

- (int)callWithArguments:(OFArray<OFString *> *)arguments isDown:(bool)isDown
{
	switch (_argumentsTypes) {
	case ARG_1INT:
		if (isDown) {
			arguments = padArguments(arguments, 2);
			((void (^)(int))_block)(
			    [arguments[1] cube_intValueWithBase:0]);
		}
		break;
	case ARG_2INT:
		if (isDown) {
			arguments = padArguments(arguments, 3);
			((void (^)(int, int))_block)(
			    [arguments[1] cube_intValueWithBase:0],
			    [arguments[2] cube_intValueWithBase:0]);
		}
		break;
	case ARG_3INT:
		if (isDown) {
			arguments = padArguments(arguments, 4);
			((void (^)(int, int, int))_block)(
			    [arguments[1] cube_intValueWithBase:0],
			    [arguments[2] cube_intValueWithBase:0],
			    [arguments[3] cube_intValueWithBase:0]);
		}
		break;
	case ARG_4INT:
		if (isDown) {
			arguments = padArguments(arguments, 5);
			((void (^)(int, int, int, int))_block)(
			    [arguments[1] cube_intValueWithBase:0],
			    [arguments[2] cube_intValueWithBase:0],
			    [arguments[3] cube_intValueWithBase:0],
			    [arguments[4] cube_intValueWithBase:0]);
		}
		break;
	case ARG_NONE:
		if (isDown)
			((void (^)())_block)();
		break;
	case ARG_1STR:
		if (isDown) {
			arguments = padArguments(arguments, 2);
			((void (^)(OFString *))_block)(arguments[1]);
		}
		break;
	case ARG_2STR:
		if (isDown) {
			arguments = padArguments(arguments, 3);
			((void (^)(OFString *, OFString *))_block)(
			    arguments[1], arguments[2]);
		}
		break;
	case ARG_3STR:
		if (isDown) {
			arguments = padArguments(arguments, 4);

			((void (^)(OFString *, OFString *, OFString *))_block)(
			    arguments[1], arguments[2], arguments[3]);
		}
		break;
	case ARG_5STR:
		if (isDown) {
			arguments = padArguments(arguments, 6);
			((void (^)(OFString *, OFString *, OFString *,
			    OFString *, OFString *))_block)(arguments[1],
			    arguments[2], arguments[3], arguments[4],
			    arguments[5]);
		}
		break;
	case ARG_DOWN:
		((void (^)(bool))_block)(isDown);
		break;
	case ARG_DWN1:
		arguments = padArguments(arguments, 2);

		((void (^)(bool, OFString *))_block)(isDown, arguments[1]);
		break;
	case ARG_1EXP:
		if (isDown) {
			arguments = padArguments(arguments, 2);
			return ((int (^)(int))_block)(
			    execute(arguments[1], isDown));
		}
		break;
	case ARG_2EXP:
		if (isDown) {
			arguments = padArguments(arguments, 3);
			return ((int (^)(int, int))_block)(
			    execute(arguments[1], isDown),
			    execute(arguments[2], isDown));
		}
		break;
	case ARG_1EST:
		if (isDown) {
			arguments = padArguments(arguments, 2);

			return ((int (^)(OFString *))_block)(arguments[1]);
		}
		break;
	case ARG_2EST:
		if (isDown) {
			arguments = padArguments(arguments, 3);
			return ((int (^)(OFString *, OFString *))_block)(
			    arguments[1], arguments[2]);
		}
		break;
	case ARG_VARI:
		if (isDown)
			// limit, remove
			((void (^)(OFString *))_block)([[arguments
			    objectsInRange:OFMakeRange(1, arguments.count - 1)]
			    componentsJoinedByString:@" "]);
		break;
	}

	return 0;
}

// main.cpp: initialisation & main loop

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"

OF_APPLICATION_DELEGATE(Cube)

VARF(gamespeed, 10, 100, 1000, if (multiplayer()) gamespeed = 100);
VARP(minmillis, 0, 5, 1000);

	[msg appendFormat:@" (%s)\n", SDL_GetError()];

	[Cube.sharedInstance showMessage:msg];
	[OFApplication terminateWithStatus:1];
}


// normal exit

COMMAND(quit, ARG_NONE, ^{
	[Cube.sharedInstance quit];
})



COMMAND(screenshot, ARG_NONE, ^{

	[Cube.sharedInstance screenshot];
})

#import <ObjFW/ObjFW.h>

OF_ASSUME_NONNULL_BEGIN

@interface Identifier: OFObject
@property (readonly, copy, nonatomic) OFString *name;

+ (void)addIdentifier:(__kindof Identifier *)identifier;
+ (__kindof Identifier *)identifierForName:(OFString *)name;
+ (void)enumerateIdentifiersUsingBlock:(void (^)(__kindof Identifier *))block;
- (instancetype)init OF_UNAVAILABLE;
- (instancetype)initWithName:(OFString *)name;
@end

OF_ASSUME_NONNULL_END

#import "Identifier.h"

// contains ALL vars/commands/aliases
static OFMutableDictionary<OFString *, __kindof Identifier *> *identifiers;

@implementation Identifier
+ (void)initialize
{
	if (self == Identifier.class)
		identifiers = [[OFMutableDictionary alloc] init];
}

+ (void)addIdentifier:(__kindof Identifier *)identifier
{
	identifiers[identifier.name] = identifier;
}

+ (__kindof Identifier *)identifierForName:(OFString *)name
{
	return identifiers[name];
}

+ (void)enumerateIdentifiersUsingBlock:(void (^)(__kindof Identifier *))block
{
	[identifiers enumerateKeysAndObjectsUsingBlock:^(
	    OFString *name, __kindof Identifier *identifier, bool *stop) {
		block(identifier);
	}];
}

- (instancetype)initWithName:(OFString *)name
{
	self = [super init];

	_name = [name copy];

	return self;

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

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Monster.h"

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

		menumanual(0, scoreLines.count, @"");
		menumanual(0, scoreLines.count + 1, teamScores);
	}
}

// sendmap/getmap commands, should be replaced by more intuitive map downloading


COMMAND(sendmap, ARG_1STR, (^(OFString *mapname) {

	if (mapname.length > 0)
		save_world(mapname);
	changemap(mapname);
	mapname = getclientmap();
	OFData *mapdata = readmap(mapname);
	if (mapdata == nil)
		return;

	sendpackettoserv(packet);
	conoutf(@"sending map %@ to server...", mapname);
	OFString *msg =
	    [OFString stringWithFormat:@"[map %@ uploaded to server, "
	                               @"\"getmap\" to receive it]",
	              mapname];
	toserver(msg);
}))


COMMAND(getmap, ARG_NONE, ^{

	ENetPacket *packet =
	    enet_packet_create(NULL, MAXTRANS, ENET_PACKET_FLAG_RELIABLE);
	unsigned char *start = packet->data;
	unsigned char *p = start + 2;
	putint(&p, SV_RECVMAP);
	*(unsigned short *)start = ENET_HOST_TO_NET_16(p - start);
	enet_packet_resize(packet, p - start);
	sendpackettoserv(packet);
	conoutf(@"requesting map from server...");
})

// clientgame.cpp: core game related stuff

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Entity.h"
#import "Monster.h"
#import "OFString+Cube.h"

int nextmode = 0; // nextmode becomes gamemode after next map load
VAR(gamemode, 1, 0, 0);


COMMAND(mode, ARG_1INT, ^(int n) {

	addmsg(1, 2, SV_GAMEMODE, nextmode = n);
})


bool intermission = false;

DynamicEntity *player1;  // our client
OFMutableArray *players; // other clients

void

		} // if we die in SP we try the same map again
		respawnself();
	}
}

int sleepwait = 0;
static OFString *sleepcmd = nil;

COMMAND(sleep, ARG_2STR, ^(OFString *msec, OFString *cmd) {

	sleepwait = msec.cube_intValue + lastmillis;
	sleepcmd = cmd;
})


void
updateworld(int millis) // main game update loop
{
	if (lastmillis) {
		curtime = millis - lastmillis;
		if (sleepwait && lastmillis > sleepwait) {

	[d resetToSpawnState];
	d.state = CS_ALIVE;
}

// movement input code

#define dir(name, v, d, s, os)                                    \

	COMMAND(name, ARG_DOWN, ^(bool isDown) {                  \
		player1.s = isDown;                               \
		player1.v = isDown ? d : (player1.os ? -(d) : 0); \
		player1.lastMove = lastmillis;                    \
	})

dir(backward, move, -1, k_down, k_up);
dir(forward, move, 1, k_up, k_down);
dir(left, strafe, 1, k_left, k_right);
dir(right, strafe, -1, k_right, k_left);


COMMAND(attack, ARG_DOWN, ^(bool on) {

	if (intermission)
		return;
	if (editmode)
		editdrag(on);
	else if ((player1.attacking = on))
		respawn();
})


COMMAND(jump, ARG_DOWN, ^(bool on) {

	if (!intermission && (player1.jumpNext = on))
		respawn();
})







COMMAND(showscores, ARG_DOWN, ^(bool isDown) {
	showscores(isDown);
})

void
fixplayer1range()
{
	const float MAXPITCH = 90.0f;
	if (player1.pitch > MAXPITCH)
		player1.pitch = MAXPITCH;

	setvar(@"fogcolour", 0x8099B3);
	showscores(false);
	intermission = false;
	Cube.sharedInstance.framesInMap = 0;
	conoutf(@"game mode is %@", modestr(gamemode));
}

COMMAND(map, ARG_1STR, ^(OFString *name) {
	changemap(name);
})

// client.cpp, mostly network related client game code

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"

static ENetHost *clienthost = NULL;
static int connecting = 0;
static int connattempts = 0;
static int disconnecting = 0;
// our client id in the game

	if (!clienthost || connecting)
		return;
	assert(ENET_PEER_PACKET_THROTTLE_SCALE == 32);
	enet_peer_throttle_configure(clienthost->peers,
	    throttle_interval * 1000, throttle_accel, throttle_decel);
}

static void
newname(OFString *name)
{
	c2sinit = false;

	if (name.length > 16)
		name = [name substringToIndex:16];

	player1.name = name;
}

COMMAND(name, ARG_1STR, ^(OFString *name) {
	newname(name);
})

static void
newteam(OFString *name)
{
	c2sinit = false;

	if (name.length > 5)
		name = [name substringToIndex:5];

	player1.team = name;
}

COMMAND(team, ARG_1STR, ^(OFString *name) {
	newteam(name);
})

void
writeclientinfo(OFStream *stream)
{
	[stream writeFormat:@"name \"%@\"\nteam \"%@\"\n", player1.name,
	        player1.team];
}

void
toserver(OFString *text)
{
	conoutf(@"%@:\f %@", player1.name, text);
	ctext = text;
}


COMMAND(echo, ARG_VARI, ^(OFString *text) {

	conoutf(@"%@", text);
})
COMMAND(say, ARG_VARI, ^(OFString *text) {

	toserver(text);
})
COMMAND(connect, ARG_1STR, ^(OFString *servername) {
	connects(servername);
})
COMMAND(disconnect, ARG_NONE, ^{
	trydisconnect();
})

// collect c2s messages conveniently

static OFMutableArray<OFData *> *messages;

void
addmsg(int rel, int num, int type, ...)

int lastupdate = 0, lastping = 0;
OFString *toservermap;
bool senditemstoserver =
    false; // after a map change, since server doesn't have map data

OFString *clientpassword;

COMMAND(password, ARG_1STR, ^(OFString *p) {

	clientpassword = p;
})


bool
netmapstart()
{
	senditemstoserver = true;
	return clienthost != NULL;
}

// command.cpp: implements the parsing and execution of a tiny script language
// which is largely backwards compatible with the quake console language.

#include "cube.h"

#import "Alias.h"
#import "Command.h"
#import "Identifier.h"
#import "OFString+Cube.h"
#import "Variable.h"




static void
cleanup(char **string)
{
	free(*string);
}

void
alias(OFString *name, OFString *action)
{
	Alias *alias = [Identifier identifierForName:name];

	if (alias == nil)
		[Identifier addIdentifier:[Alias aliasWithName:name
		                                        action:action


		                                     persisted:true]];

	else {
		if ([alias isKindOfClass:Alias.class])
			alias.action = action;
		else
			conoutf(
			    @"cannot redefine builtin %@ with an alias", name);
	}
}

COMMAND(alias, ARG_2STR, ^(OFString *name, OFString *action) {
	alias(name, action);
})

int
variable(OFString *name, int min, int cur, int max, int *storage,
    void (*function)(), bool persisted)
{
	[Identifier addIdentifier:[Variable variableWithName:name
	                                                 min:min
	                                                 max:max
	                                             storage:storage
	                                            function:function
	                                           persisted:persisted]];






	return cur;
}

void
setvar(OFString *name, int i)
{
	Variable *variable = [Identifier identifierForName:name];

	if ([variable isKindOfClass:Variable.class])
		*variable.storage = i;
}

int
getvar(OFString *name)
{
	Variable *variable = [Identifier identifierForName:name];

	if ([variable isKindOfClass:Variable.class])
		return *variable.storage;

	return 0;
}

bool
identexists(OFString *name)
{
	return ([Identifier identifierForName:name] != nil);
}

OFString *
getalias(OFString *name)
{
	Alias *alias = [Identifier identifierForName:name];

	if ([alias isKindOfClass:Alias.class])
		return alias.action;

	return nil;
}
















// parse any nested set of () or []
static char *
parseexp(char **p, int right)
{
	int left = *(*p)++;
	char *word = *p;
	for (int brak = 1; brak;) {

	return strndup(word, *p - word);
}

// find value of ident referenced with $ in exp
OFString *
lookup(OFString *n)
{
	__kindof Identifier *identifier =
	    [Identifier identifierForName:[n substringFromIndex:1]];

	if ([identifier isKindOfClass:Variable.class]) {
		return [OFString stringWithFormat:@"%d", *[identifier storage]];
	} else if ([identifier isKindOfClass:Alias.class])
		return [identifier action];

	conoutf(@"unknown alias lookup: %@", [n substringFromIndex:1]);

			c = [c substringFromIndex:1];
			w[0] = c;
		}
		// empty statement
		if (c.length == 0)
			continue;

		val = executeIdentifier([Identifier identifierForName:c],
		    [OFArray arrayWithObjects:w count:numargs], isDown);
	}

	return val;
}

// tab-completion of all identifiers

	if (!completesize) {
		completesize = s.length - 1;
		completeidx = 0;
	}

	__block int idx = 0;
	[Identifier enumerateIdentifiersUsingBlock:^(
	    __kindof Identifier *identifier) {
		if (strncmp(identifier.name.UTF8String, s.UTF8String + 1,
		        completesize) == 0 &&
		    idx++ == completeidx)
			[s replaceCharactersInRange:OFMakeRange(1, s.length - 1)
			                 withString:identifier.name];
	}];

{
	if (!execfile([Cube.sharedInstance.userDataIRI
	        IRIByAppendingPathComponent:cfgfile]) &&
	    !execfile([Cube.sharedInstance.gameDataIRI
	        IRIByAppendingPathComponent:cfgfile]))
		conoutf(@"could not read \"%@\"", cfgfile);
}

COMMAND(exec, ARG_1STR, ^(OFString *cfgfile) {
	exec(cfgfile);
})

void
writecfg()
{
	OFStream *stream;
	@try {
		OFIRI *IRI = [Cube.sharedInstance.userDataIRI

	                    @"overwrite these settings\n"
	                    @"// modify settings in game, or put settings in "
	                    @"autoexec.cfg to override anything\n"
	                    @"\n"];
	writeclientinfo(stream);
	[stream writeString:@"\n"];

	[Identifier
	    enumerateIdentifiersUsingBlock:^(__kindof Identifier *identifier) {
		    if (![identifier isKindOfClass:Variable.class] ||
		        ![identifier persisted])
			    return;

		    [stream writeFormat:@"%@ %d\n", identifier.name,
		            *[identifier storage]];
	    }];
	[stream writeString:@"\n"];

	writebinds(stream);
	[stream writeString:@"\n"];

	[Identifier
	    enumerateIdentifiersUsingBlock:^(__kindof Identifier *identifier) {
		    if (![identifier isKindOfClass:Alias.class] ||
		        [identifier.name hasPrefix:@"nextmap_"])
			    return;

		    [stream writeFormat:@"alias \"%@\" [%@]\n", identifier.name,
		            [identifier action]];
	    }];

	[stream close];
}

COMMAND(writecfg, ARG_NONE, ^{
	writecfg();
})

// below the commands that implement a small imperative language. thanks to the
// semantics of () and [] expressions, any control construct can be defined
// trivially.

void
intset(OFString *name, int v)
{
	alias(name, [OFString stringWithFormat:@"%d", v]);
}


COMMAND(if, ARG_3STR, ^(OFString *cond, OFString *thenp, OFString *elsep) {

	execute((![cond hasPrefix:@"0"] ? thenp : elsep), true);
})


COMMAND(loop, ARG_2STR, ^(OFString *times, OFString *body) {

	int t = times.cube_intValue;

	for (int i = 0; i < t; i++) {
		intset(@"i", i);
		execute(body, true);
	}
})


COMMAND(while, ARG_2STR, ^(OFString *cond, OFString *body) {

	while (execute(cond, true))
		execute(body, true);
})


COMMAND(onrelease, ARG_DWN1, ^(bool on, OFString *body) {

	if (!on)
		execute(body, true);
})

void
concat(OFString *s)
{
	alias(@"s", s);
}

COMMAND(concat, ARG_VARI, ^(OFString *s) {
	concat(s);
})

COMMAND(concatword, ARG_VARI, ^(OFString *s) {
	concat([s stringByReplacingOccurrencesOfString:@" " withString:@""]);
})


COMMAND(listlen, ARG_1EST, ^(OFString *a_) {

	const char *a = a_.UTF8String;

	if (!*a)
		return 0;

	int n = 0;
	while (*a)
		if (*a++ == ' ')
			n++;

	return n + 1;
})


COMMAND(at, ARG_2STR, ^(OFString *s_, OFString *pos) {

	int n = pos.cube_intValue;
	char *copy __attribute__((__cleanup__(cleanup))) =
	    strdup(s_.UTF8String);
	char *s = copy;
	for (int i = 0; i < n; i++) {
		s += strcspn(s, " \0");
		s += strspn(s, " ");
	}
	s[strcspn(s, " \0")] = 0;
	concat(@(s));
})












COMMAND(+, ARG_2EXP, ^(int a, int b) {

	return a + b;
})



COMMAND(*, ARG_2EXP, ^(int a, int b) {

	return a * b;
})



COMMAND(-, ARG_2EXP, ^(int a, int b) {

	return a - b;
})



COMMAND(div, ARG_2EXP, ^(int a, int b) {

	return b ? a / b : 0;
})



COMMAND(mod, ARG_2EXP, ^(int a, int b) {

	return b ? a % b : 0;
})




COMMAND(=, ARG_2EXP, ^(int a, int b) {

	return (int)(a == b);
})



COMMAND(<, ARG_2EXP, ^(int a, int b) {

	return (int)(a < b);
})



COMMAND(>, ARG_2EXP, ^(int a, int b) {

	return (int)(a > b);
})



COMMAND(strcmp, ARG_2EST, ^(OFString *a, OFString *b) {

	return [a isEqual:b];
})



COMMAND(rnd, ARG_1EXP, ^(int a) {

	return (a > 0 ? rnd(a) : 0);
})



COMMAND(millis, ARG_1EXP, ^(int unused) {

	return lastmillis;
})

// console.cpp: the console buffer, its display, and command line control

#include "cube.h"

#include <ctype.h>

#import "Command.h"
#import "ConsoleLine.h"
#import "KeyMapping.h"
#import "OFString+Cube.h"

static OFMutableArray<ConsoleLine *> *conlines;

const int ndraw = 5;
const int WORDWRAP = 80;
int conskip = 0;

bool saycommandon = false;
static OFMutableString *commandbuf;


COMMAND(conskip, ARG_1INT, ^(int n) {

	conskip += n;
	if (conskip < 0)
		conskip = 0;
})


static void
conline(OFString *sf, bool highlight) // add a line to the console buffer
{
	OFMutableString *text;

	// constrain the buffer size

		    (FONTH / 4 * 5) * (nd - j - 1) + FONTH / 3, 2);
}

// keymap is defined externally in keymap.cfg

static OFMutableArray<KeyMapping *> *keyMappings = nil;


COMMAND(keymap, ARG_3STR, ^(OFString *code, OFString *key, OFString *action) {

	if (keyMappings == nil)
		keyMappings = [[OFMutableArray alloc] init];

	KeyMapping *mapping = [KeyMapping mappingWithCode:code.cube_intValue
	                                             name:key];
	mapping.action = action;
	[keyMappings addObject:mapping];
})



COMMAND(bind, ARG_2STR, ^(OFString *key, OFString *action) {

	for (KeyMapping *mapping in keyMappings) {
		if ([mapping.name caseInsensitiveCompare:key] ==
		    OFOrderedSame) {
			mapping.action = action;
			return;
		}
	}

	conoutf(@"unknown key \"%@\"", key);
})


// turns input to the command line on or off
static void
saycommand(OFString *init)
{
	saycommandon = (init != nil);
	if (saycommandon)
		SDL_StartTextInput();
	else
		SDL_StopTextInput();

	if (!editmode)
		Cube.sharedInstance.repeatsKeys = saycommandon;

	if (init == nil)
		init = @"";

	commandbuf = [init mutableCopy];
}



COMMAND(saycommand, ARG_VARI, ^(OFString *init) {
	saycommand(init);
})

COMMAND(mapmsg, ARG_1STR, ^(OFString *s) {
	memset(hdr.maptitle, '\0', sizeof(hdr.maptitle));
	strncpy(hdr.maptitle, s.UTF8String, 127);
})


void
pasteconsole()
{
	[commandbuf appendString:@(SDL_GetClipboardText())];
}

static OFMutableArray<OFString *> *vhistory;
static int histpos = 0;


COMMAND(history, ARG_1INT, ^(int n) {

	static bool rec = false;

	if (!rec && n >= 0 && n < vhistory.count) {
		rec = true;
		execute(vhistory[vhistory.count - n - 1], true);
		rec = false;
	}
})


void
keypress(int code, bool isDown)
{
	// keystrokes go to commandline
	if (saycommandon) {
		if (isDown) {

	ARG_1EST,
	ARG_2EST,
	ARG_VARI
};

// nasty macros for registering script functions, abuses globals to avoid
// excessive infrastructure








#define VARP(name, min, cur, max)                                       \
	int name;                                                       \
	OF_CONSTRUCTOR()                                                \
	{                                                               \
		enqueueInit(^{                                          \
			name = variable(                                \
			    @ #name, min, cur, max, &name, NULL, true); \

// editing.cpp: most map editing commands go here, entity editing commands are
// in world.cpp

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Monster.h"
#import "OFString+Cube.h"

bool editmode = false;

// the current selection, used by almost all editing commands

			[Monster resetAll];
		projreset();
	}
	Cube.sharedInstance.repeatsKeys = editmode;
	selset = false;
	editing = editmode;
}

COMMAND(edittoggle, ARG_NONE, ^{
	toggleedit();
})

void
correctsel() // ensures above invariant
{
	selset = !OUTBORD(sel.x, sel.y);
	int bsize = ssize - MINBORD;
	if (sel.xs + sel.x > bsize)

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


COMMAND(select, ARG_4INT, (^(int x, int y, int xs, int ys) {

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

void
makesel()
{
	struct block s = { min(lastx, cx), min(lasty, cy), abs(lastx - cx) + 1,
		abs(lasty - cy) + 1 };
	sel = s;

		    initWithItemSize:sizeof(struct block *)];

	struct block *copy = blockcopy(&sel);
	[undos addItem:&copy];
	pruneundos(undomegs << 20);
}


COMMAND(undo, ARG_NONE, ^{

	EDITMP;
	if (undos.count == 0) {
		conoutf(@"nothing more to undo");
		return;
	}
	struct block *p = undos.mutableLastItem;
	[undos removeLastItem];
	blockpaste(p);
	OFFreeMemory(p);
})

static struct block *copybuf = NULL;


COMMAND(copy, ARG_NONE, ^{

	EDITSELMP;

	if (copybuf)
		OFFreeMemory(copybuf);

	copybuf = blockcopy(&sel);
})


COMMAND(paste, ARG_NONE, ^{

	EDITMP;
	if (!copybuf) {
		conoutf(@"nothing to paste");
		return;
	}
	sel.xs = copybuf->xs;
	sel.ys = copybuf->ys;
	correctsel();
	if (!selset || sel.xs != copybuf->xs || sel.ys != copybuf->ys) {
		conoutf(@"incorrect selection");
		return;
	}
	makeundo();
	copybuf->x = sel.x;
	copybuf->y = sel.y;
	blockpaste(copybuf);
})

void
tofronttex() // maintain most recently used of the texture lists when applying
             // texture
{
	for (int i = 0; i < 3; i++) {
		int c = curedittex[i];

{
	EDITSEL;

	bool isfloor = flr == 0;
	editheightxy(isfloor, amount, &sel);
	addmsg(1, 7, SV_EDITH, sel.x, sel.y, sel.xs, sel.ys, isfloor, amount);
}

COMMAND(editheight, ARG_2INT, ^(int flr, int amount) {
	editheight(flr, amount);
})

void
edittexxy(int type, int t, const struct block *sel)
{
	loopselxy(switch (type) {
	        case 0:
		        s->ftex = t;
		        break;
	        case 1:
		        s->wtex = t;
		        break;
	        case 2:
		        s->ctex = t;
		        break;
	        case 3:
		        s->utex = t;
		        break;
	});
}


COMMAND(edittex, ARG_2INT, ^(int type, int dir) {

	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);
})


COMMAND(replace, ARG_NONE, (^{

	EDITSELMP;

	for (int x = 0; x < ssize; x++) {
		for (int y = 0; y < ssize; y++) {
			struct sqr *s = S(x, y);
			switch (lasttype) {
			case 0:

				break;
			}
		}
	}

	struct block b = { 0, 0, ssize, ssize };
	remip(&b, 0);
}))

void
edittypexy(int type, const struct block *sel)
{
	loopselxy(s->type = type);
}

static void
edittype(int type)
{
	EDITSEL;

	if (type == CORNER &&
	    (sel.xs != sel.ys || sel.xs == 3 || (sel.xs > 4 && sel.xs != 8) ||
	        sel.x & ~-sel.xs || sel.y & ~-sel.ys)) {
		conoutf(@"corner selection must be power of 2 aligned");
		return;
	}

	edittypexy(type, &sel);
	addmsg(1, 6, SV_EDITS, sel.x, sel.y, sel.xs, sel.ys, type);
}


COMMAND(heightfield, ARG_1INT, ^(int t) {

	edittype(t == 0 ? FHF : CHF);
})



COMMAND(solid, ARG_1INT, ^(int t) {

	edittype(t == 0 ? SPACE : SOLID);
})



COMMAND(corner, ARG_NONE, ^{

	edittype(CORNER);
})


void
editequalisexy(bool isfloor, const struct block *sel)
{
	int low = 127, hi = -128;
	loopselxy({
		if (s->floor < low)

		else
			s->ceil = hi;
		if (s->floor >= s->ceil)
			s->floor = s->ceil - 1;
	});
}


COMMAND(equalize, ARG_1INT, ^(int flr) {

	bool isfloor = (flr == 0);

	EDITSEL;

	editequalisexy(isfloor, &sel);
	addmsg(1, 6, SV_EDITE, sel.x, sel.y, sel.xs, sel.ys, isfloor);
})


void
setvdeltaxy(int delta, const struct block *sel)
{
	loopselxy(s->vdelta = max(s->vdelta + delta, 0));
	remipmore(sel, 0);
}


COMMAND(vdelta, ARG_1INT, ^(int delta) {

	EDITSEL;

	setvdeltaxy(delta, &sel);
	addmsg(1, 6, SV_EDITD, sel.x, sel.y, sel.xs, sel.ys, delta);
})

#define MAXARCHVERT 50
int archverts[MAXARCHVERT][MAXARCHVERT];
bool archvinit = false;


COMMAND(archvertex, ARG_3INT, ^(int span, int vert, int delta) {

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


COMMAND(arch, ARG_2INT, ^(int sidedelta, int _a) {

	EDITSELMP;

	sel.xs++;
	sel.ys++;

	if (sel.xs > MAXARCHVERT)
		sel.xs = MAXARCHVERT;
	if (sel.ys > MAXARCHVERT)
		sel.ys = MAXARCHVERT;

	struct block *sel_ = &sel;
	// Ugly hack to make the macro work.
	struct block *sel = sel_;
	loopselxy(s->vdelta = sel->xs > sel->ys
	        ? (archverts[sel->xs - 1][x] +
	              (y == 0 || y == sel->ys - 1 ? sidedelta : 0))
	        : (archverts[sel->ys - 1][y] +
	              (x == 0 || x == sel->xs - 1 ? sidedelta : 0)));
	remipmore(sel, 0);
})


COMMAND(slope, ARG_2INT, ^(int xd, int yd) {

	EDITSELMP;

	int off = 0;
	if (xd < 0)
		off -= xd * sel.xs;
	if (yd < 0)
		off -= yd * sel.ys;

	sel.xs++;
	sel.ys++;

	struct block *sel_ = &sel;
	// Ugly hack to make the macro work.
	struct block *sel = sel_;
	loopselxy(s->vdelta = xd * x + yd * y + off);
	remipmore(sel, 0);
})


COMMAND(perlin, ARG_3INT, ^(int scale, int seed, int psize) {

	EDITSELMP;

	sel.xs++;
	sel.ys++;

	makeundo();

	sel.xs--;
	sel.ys--;

	perlinarea(&sel, scale, seed, psize);

	sel.xs++;
	sel.ys++;

	remipmore(&sel, 0);

	sel.xs--;
	sel.ys--;
})

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


COMMAND(edittag, ARG_1INT, ^(int tag) {

	EDITSELMP;

	struct block *sel_ = &sel;
	// Ugly hack to make the macro work.
	struct block *sel = sel_;
	loopselxy(s->tag = tag);
})


COMMAND(newent, ARG_5STR,
    ^(OFString *what, OFString *a1, OFString *a2, OFString *a3, OFString *a4) {

	    EDITSEL;

	    newentity(sel.x, sel.y, (int)player1.origin.z, what,
	        [a1 cube_intValueWithBase:0], [a2 cube_intValueWithBase:0],
	        [a3 cube_intValueWithBase:0], [a4 cube_intValueWithBase:0]);
    })

// menus.cpp: ingame menu system (also used for scores and serverlist)

#include "cube.h"

#import "Menu.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "MenuItem.h"

static OFMutableArray<OFNumber *> *menuStack;
static OFMutableArray<Menu *> *menus;
static int vmenu = -1;

void
menuset(int menu)
{
	if ((vmenu = menu) >= 1)
		[player1 resetMovement];
	if (vmenu == 1)
		menus[1].menusel = 0;
}


COMMAND(showmenu, ARG_1STR, ^(OFString *name) {

	int i = 0;
	for (Menu *menu in menus) {
		if (i > 1 && [menu.name isEqual:name]) {
			menuset(i);
			return;
		}
		i++;
	}
})


void
sortmenu()
{
	[menus[0].items sort];
}

newmenu(OFString *name)
{
	if (menus == nil)
		menus = [[OFMutableArray alloc] init];

	[menus addObject:[Menu menuWithName:name]];
}

COMMAND(newmenu, ARG_1STR, ^(OFString *name) {
	newmenu(name);
})

void
menumanual(int m, int n, OFString *text)
{
	if (n == 0)
		[menus[m].items removeAllObjects];

	MenuItem *item = [MenuItem itemWithText:text action:@""];
	[menus[m].items addObject:item];
}


COMMAND(menuitem, ARG_2STR, ^(OFString *text, OFString *action) {

	Menu *menu = menus.lastObject;

	MenuItem *item =
	    [MenuItem itemWithText:text
	                    action:(action.length > 0 ? action : text)];
	[menu.items addObject:item];
})


bool
menukey(int code, bool isdown)
{
	if (vmenu <= 0)
		return false;

// protos for ALL external functions in cube...

#ifdef __cplusplus
extern "C" {
#endif

// command
extern int variable(OFString *name, int min, int cur, int max, int *storage,
    void (*fun)(), bool persist);
extern void setvar(OFString *name, int i);
extern int getvar(OFString *name);
extern bool identexists(OFString *name);

extern int execute(OFString *p, bool down);
extern void exec(OFString *cfgfile);
extern bool execfile(OFIRI *cfgfile);
extern void resetcomplete();
extern void complete(OFMutableString *s);
extern void alias(OFString *name, OFString *action);
extern OFString *getalias(OFString *name);

// rendercubes.cpp: sits in between worldrender.cpp and rendergl.cpp and fills
// the vertex array for different cube surfaces.

#include "cube.h"

#import "Command.h"

static struct vertex *verts = NULL;
int curvert;
static int curmaxverts = 10000;

void
setarraypointers()

const float TEXTURESCALE = 32.0f;
bool floorstrip = false, deltastrip = false;
int oh, oy, ox, ogltex; // the o* vars are used by the stripification
int ol3r, ol3g, ol3b, ol4r, ol4g, ol4b;
int firstindex;
bool showm = false;


COMMAND(showmip, ARG_NONE, ^{

	showm = !showm;
})


void
mipstats(int a, int b, int c)
{
	if (showm)
		conoutf(@"1x1/2x2/4x4: %d / %d / %d", a, b, c);
}

// renderextras.cpp: misc gl render code and the HUD

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Entity.h"

void
line(int x1, int y1, float z1, int x2, int y2, float z2)
{
	glBegin(GL_POLYGON);

		    [OFString stringWithFormat:@"closest entity = %@ (%d, %d, "
		                               @"%d, %d), selection = (%d, %d)",
		              entnames[c.type], c.attr1, c.attr2, c.attr3,
		              c.attr4, getvar(@"selxs"), getvar(@"selys")];
	}
}


COMMAND(loadsky, ARG_1STR, (^(OFString *basename) {

	static OFString *lastsky = @"";

	basename = [basename stringByReplacingOccurrencesOfString:@"\\"
	                                               withString:@"/"];

	if ([lastsky isEqual:basename])
		return;

		        [Cube.sharedInstance.gameDataIRI
		            IRIByAppendingPathComponent:path],
		        &xs, &ys, true))
			conoutf(@"could not load sky textures");
	}

	lastsky = basename;
}))


float cursordepth = 0.9f;
GLint viewport[4];
GLdouble mm[16], pm[16];
OFVector3D worldpos;

void

// rendergl.cpp: core opengl rendering stuff

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Monster.h"
#import "OFString+Cube.h"

#ifdef DARWIN
# define GL_COMBINE_EXT GL_COMBINE_ARB
# define GL_COMBINE_RGB_EXT GL_COMBINE_RGB_ARB

	for (int i = 0; i < 256; i++)
		for (int j = 0; j < MAXFRAMES; j++)
			mapping[i][j] = 0;
}

int curtexnum = 0;


COMMAND(texturereset, ARG_NONE, ^{

	curtexnum = 0;
})



COMMAND(texture, ARG_2STR, (^(OFString *aframe, OFString *name) {

	int num = curtexnum++, frame = aframe.cube_intValue;

	if (num < 0 || num >= 256 || frame < 0 || frame >= MAXFRAMES)
		return;

	mapping[num][frame] = 1;
	mapname[num][frame] = [name stringByReplacingOccurrencesOfString:@"\\"
	                                                      withString:@"/"];
}))


int
lookuptexture(int tex, int *xs, int *ys)
{
	int frame = 0; // other frames?
	int tid = mapping[tex][frame];

// rendermd2.cpp: loader code adapted from a nehe tutorial

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "MD2.h"
#import "MapModelInfo.h"
#import "OFString+Cube.h"

static OFMutableDictionary<OFString *, MD2 *> *mdllookup = nil;
static OFMutableArray<MD2 *> *mapmodels = nil;

		mdllookup = [[OFMutableDictionary alloc] init];

	mdllookup[name] = m;

	return m;
}


COMMAND(mapmodel, ARG_5STR,
    ^(OFString *rad, OFString *h, OFString *zoff, OFString *snap,

        OFString *name) {
	    MD2 *m =
	        loadmodel([name stringByReplacingOccurrencesOfString:@"\\"
	                                                  withString:@"/"]);
	    m.mmi = [MapModelInfo infoWithRad:rad.cube_intValue
	                                    h:h.cube_intValue
	                                 zoff:zoff.cube_intValue
	                                 snap:snap.cube_intValue
	                                 name:m.loadname];

	    if (mapmodels == nil)
		    mapmodels = [[OFMutableArray alloc] init];

	    [mapmodels addObject:m];
    })



COMMAND(mapmodelreset, ARG_NONE, ^{

	[mapmodels removeAllObjects];
})


MapModelInfo *
getmminfo(int i)
{
	return i < mapmodels.count ? mapmodels[i].mmi : nil;
}

// loading and saving of savegames & demos, dumps the spawn state of all
// mapents, the full state of all dynents (monsters + player)

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Entity.h"
#import "Monster.h"

#ifdef OF_BIG_ENDIAN
static const int islittleendian = 0;
#else

	for (id player in players) {
		gzput(player == [OFNull null]);
		data = [player dataBySerializing];
		gzwrite(f, data.items, data.count);
	}
}


COMMAND(savegame, ARG_1STR, (^(OFString *name) {

	if (!m_classicsp) {
		conoutf(@"can only save classic sp games");
		return;
	}

	OFString *path = [OFString stringWithFormat:@"savegames/%@.csgz", name];
	OFIRI *IRI =
	    [Cube.sharedInstance.userDataIRI IRIByAppendingPathComponent:path];
	savestate(IRI);
	stop();
	conoutf(@"wrote %@", IRI.string);
}))


void
loadstate(OFIRI *IRI)
{
	stop();
	if (multiplayer())
		return;

	return;
out:
	conoutf(@"aborting: savegame/demo from a different version of "
	        @"cube or cpu architecture");
	stop();
}


COMMAND(loadgame, ARG_1STR, (^(OFString *name) {

	OFString *path = [OFString stringWithFormat:@"savegames/%@.csgz", name];
	OFIRI *IRI =
	    [Cube.sharedInstance.userDataIRI IRIByAppendingPathComponent:path];
	loadstate(IRI);
}))


void
loadgameout()
{
	stop();
	conoutf(@"loadgame incomplete: savegame from a different version of "
	        @"this map");

// demo functions

int starttime = 0;
int playbacktime = 0;
int ddamage, bdamage;
OFVector3D dorig;


COMMAND(record, ARG_1STR, (^(OFString *name) {

	if (m_sp) {
		conoutf(@"cannot record singleplayer games");
		return;
	}

	int cn = getclientnum();
	if (cn < 0)
		return;

	OFString *path = [OFString stringWithFormat:@"demos/%@.cdgz", name];
	OFIRI *IRI =
	    [Cube.sharedInstance.userDataIRI IRIByAppendingPathComponent:path];
	savestate(IRI);
	gzputi(cn);
	conoutf(@"started recording demo to %@", IRI.string);
	demorecording = true;
	starttime = lastmillis;
	ddamage = bdamage = 0;
}))


void
demodamage(int damage, const OFVector3D *o)
{
	ddamage = damage;
	dorig = *o;
}

			ddamage = 0;
		}
		// FIXME: add all other client state which is not send through
		// the network
	}
}


COMMAND(demo, ARG_1STR, (^(OFString *name) {

	OFString *path = [OFString stringWithFormat:@"demos/%@.cdgz", name];
	OFIRI *IRI =
	    [Cube.sharedInstance.userDataIRI IRIByAppendingPathComponent:path];
	loadstate(IRI);
	demoloading = true;
}))


void
stopreset()
{
	conoutf(@"demo stopped (%d msec elapsed)", lastmillis - starttime);
	stop();
	[players removeAllObjects];

			}
			break;
		}
	}
	// if(player1->state!=CS_DEAD) showscores(false);
}


COMMAND(stop, ARG_NONE, ^{

	if (demoplayback)
		stopreset();
	else
		stop();
	conoutf(@"demo stopped");
})

// serverbrowser.cpp: eihrul's concurrent resolver, and server browser window
// management

#include "SDL_thread.h"
#include "cube.h"

#import "Command.h"
#import "ResolverResult.h"
#import "ResolverThread.h"
#import "ServerInfo.h"

static OFMutableArray<ResolverThread *> *resolverthreads;
OFMutableArray<OFString *> *resolverqueries;
OFMutableArray<ResolverResult *> *resolverresults;

			return;

	if (servers == nil)
		servers = [[OFMutableArray alloc] init];

	[servers addObject:[ServerInfo infoWithName:servername]];
}

COMMAND(addserver, ARG_1STR, ^(OFString *servername) {
	addserver(servername);
})

void
pingservers()
{
	ENetBuffer buf;
	unsigned char ping[MAXTRANS];
	unsigned char *p;

		menumanual(1, i, si.full);

		if (!--maxmenu)
			return;
	}];
}

static void
servermenu()
{
	if (pingsock == ENET_SOCKET_NULL) {
		pingsock = enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM, NULL);
		resolverinit(1, 1000);
	}

	resolverclear();

	for (ServerInfo *si in servers)
		resolverquery(si.name);

	refreshservers();
	menuset(1);
}

COMMAND(servermenu, ARG_NONE, ^{
	servermenu();
})

COMMAND(updatefrommaster, ARG_NONE, ^{
	const int MAXUPD = 32000;
	unsigned char buf[MAXUPD];
	unsigned char *reply = retrieveservers(buf, MAXUPD);
	if (!*reply || strstr((char *)reply, "<html>") ||
	    strstr((char *)reply, "<HTML>"))
		conoutf(@"master server not replying");
	else {
		[servers removeAllObjects];
		execute(@((char *)reply), true);
	}
	servermenu();
})





void
writeservercfg()
{
	FILE *f = fopen("servers.cfg", "w");
	if (!f)
		return;
	fprintf(f, "// servers connected to are added here automatically\n\n");
	for (ServerInfo *si in servers.reversedArray)
		fprintf(f, "addserver %s\n", si.name.UTF8String);
	fclose(f);
}

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"

#include <SDL_mixer.h>

VARP(soundvol, 0, 255, 255);
VARP(musicvol, 0, 128, 255);
bool nosound = false;

		conoutf(@"sound init failed (SDL_mixer): %s",
		    (size_t)Mix_GetError());
		nosound = true;
	}
	Mix_AllocateChannels(MAXCHAN);
}


COMMAND(music, ARG_1STR, (^(OFString *name) {

	if (nosound)
		return;

	stopsound();

	if (soundvol && musicvol) {
		name = [name stringByReplacingOccurrencesOfString:@"\\"
		                                       withString:@"/"];
		OFString *path =
		    [OFString stringWithFormat:@"packages/%@", name];
		OFIRI *IRI = [Cube.sharedInstance.gameDataIRI
		    IRIByAppendingPathComponent:path];

		if ((mod = Mix_LoadMUS(
		         IRI.fileSystemRepresentation.UTF8String)) != NULL) {
			Mix_PlayMusic(mod, -1);
			Mix_VolumeMusic((musicvol * MAXVOL) / 255);
		}
	}
}))


static OFMutableData *samples;
static OFMutableArray<OFString *> *snames;


COMMAND(registersound, ARG_1EST, ^int(OFString *name) {

	int i = 0;
	for (OFString *iter in snames) {
		if ([iter isEqual:name])
			return i;

		i++;
	}

	if (snames == nil)
		snames = [[OFMutableArray alloc] init];
	if (samples == nil)
		samples = [[OFMutableData alloc]
		    initWithItemSize:sizeof(Mix_Chunk *)];

	[snames addObject:[name stringByReplacingOccurrencesOfString:@"\\"
	                                                  withString:@"/"]];
	Mix_Chunk *sample = NULL;
	[samples addItem:&sample];

	return samples.count - 1;
})


void
cleansound()
{
	if (nosound)
		return;
	stopsound();

	if (loc)
		newsoundloc(chan, loc);

	updatechanvol(chan, loc);
}


COMMAND(sound, ARG_1INT, ^(int n) {

	playsound(n, NULL);
})

// weapon.cpp: all shooting and effects code

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Monster.h"
#import "OFString+Cube.h"
#import "Projectile.h"

static const int MONSTERDAMAGEFACTOR = 4;
#define SGRAYS 20

int
reloadtime(int gun)
{
	return guns[gun].attackdelay;
}


COMMAND(weapon, ARG_3STR, ^(OFString *a1, OFString *a2, OFString *a3) {

	selectgun((a1.length > 0 ? a1.cube_intValue : -1),
	    (a2.length > 0 ? a2.cube_intValue : -1),
	    (a3.length > 0 ? a3.cube_intValue : -1));
})


// create random spread of rays for the shotgun
void
createrays(const OFVector3D *from, const OFVector3D *to)
{
	vdist(dist, dvec, *from, *to);
	float f = dist * SGSPREAD / 1000;

// world.cpp: core map management stuff

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"
#import "Entity.h"
#import "Monster.h"

extern OFString *entnames[]; // lookup from map entities above to strings

struct sqr *world = NULL;

	if (identexists(aliasname))
		execute(aliasname, true);

	if (type == 2)
		[Monster endSinglePlayerWithAllKilled:false];
}

COMMAND(trigger, ARG_2INT, ^(int tag, int type, bool savegame) {
	trigger(tag, type, savegame);
})

// main geometric mipmapping routine, recursively rebuild mipmaps within block
// b. tries to produce cube out of 4 lower level mips as well as possible, sets
// defer to 0 if mipped cube is a perfect mip, i.e. can be rendered at this mip
// level indistinguishable from its constituent cubes (saves considerable
// rendering time if this is possible).

			bdist = dist;
		}
	}];

	return (bdist == 99999 ? -1 : best);
}


COMMAND(entproperty, ARG_2INT, ^(int prop, int amount) {

	int e = closestent();
	if (e < 0)
		return;
	switch (prop) {
	case 0:
		ents[e].attr1 += amount;
		break;
	case 1:
		ents[e].attr2 += amount;
		break;
	case 2:
		ents[e].attr3 += amount;
		break;
	case 3:
		ents[e].attr4 += amount;
		break;
	}
})


COMMAND(delent, ARG_NONE, ^{

	int e = closestent();
	if (e < 0) {
		conoutf(@"no more entities");
		return;
	}
	int t = ents[e].type;
	conoutf(@"%@ entity deleted", entnames[t]);
	ents[e].type = NOTUSED;
	addmsg(1, 10, SV_EDITENT, e, NOTUSED, 0, 0, 0, 0, 0, 0, 0);
	if (t == LIGHT)
		calclight();
})

int
findtype(OFString *what)
{
	for (int i = 0; i < MAXENTTYPES; i++)
		if ([what isEqual:entnames[i]])
			return i;

	if (type == LIGHT)
		calclight();

	return e;
}


COMMAND(clearents, ARG_1STR, ^(OFString *name) {

	int type = findtype(name);

	if (noteditmode() || multiplayer())
		return;

	for (Entity *e in ents)
		if (e.type == type)
			e.type = NOTUSED;

	if (type == LIGHT)
		calclight();
})


static unsigned char
scalecomp(unsigned char c, int intens)
{
	int n = c * intens / 100;
	if (n > 255)
		n = 255;
	return n;
}


COMMAND(scalelights, ARG_2INT, ^(int f, int intens) {

	for (Entity *e in ents) {
		if (e.type != LIGHT)
			continue;

		e.attr1 = e.attr1 * f / 100;
		if (e.attr1 < 2)
			e.attr1 = 2;
		if (e.attr1 > 32)
			e.attr1 = 32;

		if (intens) {
			e.attr2 = scalecomp(e.attr2, intens);
			e.attr3 = scalecomp(e.attr3, intens);
			e.attr4 = scalecomp(e.attr4, intens);
		}
	}

	calclight();
})


int
findentity(int type, int index)
{
	for (int i = index; i < ents.count; i++)
		if (ents[i].type == type)
			return i;

	if (oldworld) {
		OFFreeMemory(oldworld);
		toggleedit();
		execute(@"fullbright 1", true);
	}
}


COMMAND(mapenlarge, ARG_NONE, ^{

	empty_world(-1, false);
})


COMMAND(newmap, ARG_1INT, ^(int i) {

	empty_world(i, false);
})

COMMAND(recalc, ARG_NONE, ^{

	calclight();


})

// worldio.cpp: loading & saving of maps and savegames

#include "cube.h"

#import "Command.h"
#import "Entity.h"

struct persistent_entity {
	short x, y, z; // cube aligned position
	short attr1;
	unsigned char type; // type is one of the above
	unsigned char attr2, attr3, attr4;

		t = s;
	}
	spurge;
	gzclose(f);
	conoutf(@"wrote map file %@", cgzname);
	settagareas();
}

COMMAND(savemap, ARG_1STR, ^(OFString *mname) {
	save_world(mname);
})

void
load_world(OFString *mname) // still supports all map formats that have existed
                            // since the earliest cube betas!
{
	stopifrecording();
	cleardlights();

// worldocull.cpp: occlusion map and occlusion test

#include "cube.h"

#import "Command.h"
#import "DynamicEntity.h"

#define NUMRAYS 512

float rdist[NUMRAYS];
bool ocull = true;
float odist = 256;


COMMAND(toggleocull, ARG_NONE, ^{

	ocull = !ocull;
})


// constructs occlusion map: cast rays in all directions on the 2d plane and
// record distance. done exactly once per frame.

void
computeraytable(float vx, float vy)
{