Cube  Check-in [08c9d7b0fa]

	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
{
	int t = 0;

	loopvrev(undos)
	{
		t += undos[i]->xs * undos[i]->ys * sizeof(sqr);
		if (t > maxremain)
			OFFreeMemory(undos.remove(i));


	}
}

void
makeundo()
{




	undos.add(blockcopy(sel));

	pruneundos(undomegs << 20);
}

void
editundo()
{
	EDITMP;
	if (undos.empty()) {
		conoutf(@"nothing more to undo");
		return;
	}
	block *p = undos.pop();

	blockpaste(*p);
	OFFreeMemory(p);
}

block *copybuf = NULL;

void

void showscores(bool on);
extern void renderscores();

// world
extern void setupworld(int factor);
extern void empty_world(int factor, bool force);
extern void remip(block &b, int level = 0);
extern void remipmore(block &b, int level = 0);
extern int closestent();
extern int findentity(int type, int index = 0);
extern void trigger(int tag, int type, bool savegame);
extern void resettagareas();
extern void settagareas();
extern Entity *newentity(
    int x, int y, int z, OFString *what, int v1, int v2, int v3, int v4);

// worldlight
extern void calclight();
extern void dodynlight(const OFVector3D &vold, const OFVector3D &v, int reach,
    int strength, DynamicEntity *owner);
extern void cleardlights();
extern block *blockcopy(block &b);
extern void blockpaste(block &b);

// worldrender
extern void render_world(float vx, float vy, float vh, int yaw, int pitch,
    float widef, int w, int h);

// worldocull
extern void computeraytable(float vx, float vy);

}

int skyoglid;

struct strip {
	int tex, start, num;
};
vector<strip> strips;

void
renderstripssky()
{
	glBindTexture(GL_TEXTURE_2D, skyoglid);




	loopv(strips) if (strips[i].tex == skyoglid)
	    glDrawArrays(GL_TRIANGLE_STRIP, strips[i].start, strips[i].num);

}

void
renderstrips()
{
	int lasttex = -1;



	loopv(strips) if (strips[i].tex != skyoglid)

	{
		if (strips[i].tex != lasttex) {
			glBindTexture(GL_TEXTURE_2D, strips[i].tex);
			lasttex = strips[i].tex;
		}

		glDrawArrays(GL_TRIANGLE_STRIP, strips[i].start, strips[i].num);
	}
}

void
overbright(float amount)
{
	if (hasoverbright)
		glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, amount);
}

void
addstrip(int tex, int start, int n)
{
	strip &s = strips.add();

	s.tex = tex;
	s.start = start;
	s.num = n;

}

VARFP(gamma, 30, 100, 300, {
	float f = gamma / 100.0f;
	Uint16 ramp[256];

	SDL_CalculateGammaRamp(f, ramp);

	int xs, ys;
	skyoglid = lookuptexture(DEFAULT_SKY, &xs, &ys);

	resetcubes();

	curvert = 0;
	strips.setsize(0);

	render_world(player1.o.x, player1.o.y, player1.o.z, (int)player1.yaw,
	    (int)player1.pitch, (float)fov, w, h);
	finishstrips();

	setupworld();

#include "cube.h"

#import "DynamicEntity.h"



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

#define MAXCHAN 32
#define SOUNDFREQ 22050


struct soundloc {
	OFVector3D loc;
	bool inuse;
} soundlocs[MAXCHAN];

#include <SDL_mixer.h>
#define MAXVOL MIX_MAX_VOLUME
Mix_Music *mod = NULL;
void *stream = NULL;

void
stopsound()
{
	if (nosound)
		return;

	if (mod) {
		Mix_HaltMusic();
		Mix_FreeMusic(mod);
		mod = NULL;
	}
	if (stream != NULL)
		stream = NULL;
}

VAR(soundbufferlen, 128, 1024, 4096);

void
initsound()
{

}

void
music(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);
		}
	}
}
COMMAND(music, ARG_1STR)

vector<Mix_Chunk *> samples;

static OFMutableArray<OFString *> *snames;

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

		i++;
	}

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




	[snames addObject:[name stringByReplacingOccurrencesOfString:@"\\"
	                                                  withString:@"/"]];

	samples.add(NULL);

	return samples.length() - 1;
}
COMMAND(registersound, ARG_1EST)

void
cleansound()
{
	if (nosound)

int soundsatonce = 0, lastsoundmillis = 0;

void
playsound(int n, const OFVector3D *loc)
{
	if (nosound)
		return;

	if (!soundvol)
		return;

	if (lastmillis == lastsoundmillis)
		soundsatonce++;
	else
		soundsatonce = 1;

	lastsoundmillis = lastmillis;

	if (soundsatonce > 5)
		return; // avoid bursts of sounds with heavy packetloss

		        // and in sp
	if (n < 0 || n >= samples.length()) {
		conoutf(@"unregistered sound: %d", n);
		return;
	}


	if (!samples[n]) {
		OFString *path = [OFString
		    stringWithFormat:@"packages/sounds/%@.wav", snames[n]];
		OFIRI *IRI = [Cube.sharedInstance.gameDataIRI
		    IRIByAppendingPathComponent:path];

		samples[n] =
		    Mix_LoadWAV(IRI.fileSystemRepresentation.UTF8String);

		if (!samples[n]) {
			conoutf(@"failed to load sample: %@", IRI.string);
			return;
		}
	}

	int chan = Mix_PlayChannel(-1, samples[n], 0);
	if (chan < 0)
		return;

	if (loc)
		newsoundloc(chan, loc);

	updatechanvol(chan, loc);
}

void
sound(int n)
{
	playsound(n, NULL);
}
COMMAND(sound, ARG_1INT)

#include <assert.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __GNUC__
# include <new>
#else
# include <new.h>
#endif

#import <ObjFW/ObjFW.h>

#ifdef NULL
# undef NULL
#endif
#define NULL 0

typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;

#define max(a, b) (((a) > (b)) ? (a) : (b))
#define min(a, b) (((a) < (b)) ? (a) : (b))
#define rnd(max) (rand() % (max))
#define rndreset() (srand(1))
#define rndtime()                                   \
	{                                           \
		loopi(lastmillis & 0xF) rnd(i + 1); \
	}
#define loop(v, m) for (int v = 0; v < (m); v++)
#define loopi(m) loop(i, m)
#define loopj(m) loop(j, m)
#define loopk(m) loop(k, m)
#define loopl(m) loop(l, m)

#ifndef OF_WINDOWS
# define __cdecl
# define _vsnprintf vsnprintf
#endif

#define fast_f2nat(val) ((int)(val))

extern void endianswap(void *, int, int);

template <class T> struct vector {
	T *buf;
	int alen;
	int ulen;

	vector()
	{
		alen = 8;
		buf = (T *)OFAllocMemory(alen, sizeof(T));
		ulen = 0;
	}

	~vector()
	{
		setsize(0);
		free(buf);
	}

	vector(vector<T> &v);
	void operator=(vector<T> &v);

	T &
	add(const T &x)
	{
		if (ulen == alen)
			realloc();
		new (&buf[ulen]) T(x);
		return buf[ulen++];
	}

	T &
	add()
	{
		if (ulen == alen)
			realloc();
		new (&buf[ulen]) T;
		return buf[ulen++];
	}

	T &
	pop()
	{
		return buf[--ulen];
	}

	T &
	last()
	{
		return buf[ulen - 1];
	}

	bool
	empty()
	{
		return ulen == 0;
	}

	int
	length()
	{
		return ulen;
	}

	T &
	operator[](int i)
	{
		assert(i >= 0 && i < ulen);
		return buf[i];
	}

	void
	setsize(int i)
	{
		for (; ulen > i; ulen--)
			buf[ulen - 1].~T();
	}

	T *
	getbuf()
	{
		return buf;
	}

	void
	sort(void *cf)
	{
		qsort(buf, ulen, sizeof(T),
		    (int(__cdecl *)(const void *, const void *))cf);
	}

	void
	realloc()
	{
		buf = (T *)OFResizeMemory(buf, (alen *= 2), sizeof(T));
	}

	T
	remove(int i)
	{
		T e = buf[i];
		for (int p = i + 1; p < ulen; p++)
			buf[p - 1] = buf[p];
		ulen--;
		return e;
	}

	T &
	insert(int i, const T &e)
	{
		add(T());
		for (int p = ulen - 1; p > i; p--)
			buf[p] = buf[p - 1];
		buf[i] = e;
		return buf[i];
	}
};

#define loopv(v)     \
	if (false) { \
	} else       \
		for (int i = 0; i < (v).length(); i++)
#define loopvrev(v)  \
	if (false) { \
	} else       \
		for (int i = (v).length() - 1; i >= 0; i--)

#endif

	s.y /= 2;
	s.xs /= 2;
	s.ys /= 2;
	remip(s, level + 1);
}

void
remipmore(block &b, int level)
{
	block bb = b;
	if (bb.x > 1)
		bb.x--;
	if (bb.y > 1)
		bb.y--;
	if (bb.xs < ssize - 3)

	for (int x = s.x; x < s.xs + s.x; x++)
		for (int y = s.y; y < s.ys + s.y; y++)
			*q++ = *S(x, y);
	return b;
}

void
blockpaste(block &b)
{
	sqr *q = (sqr *)((&b) + 1);
	for (int x = b.x; x < b.xs + b.x; x++)
		for (int y = b.y; y < b.ys + b.y; y++)
			*S(x, y) = *q++;
	remipmore(b);
}