Cube  Diff

// invariant: all code assumes that these are kept inside MINBORD distance of
// the edge of the map

struct block sel = { 0, 0, 0, 0 };

OF_CONSTRUCTOR()
{
	enqueueInit(^{
		static const struct {
			OFString *name;
			int *storage;
		} vars[4] = { { @"selx", &sel.x }, { @"sely", &sel.y },
			{ @"selxs", &sel.xs }, { @"selys", &sel.ys } };

		for (size_t i = 0; i < 4; i++) {
			Variable *variable =
			    [Variable variableWithName:vars[i].name
			                           min:0
			                           max:4096
			                       storage:vars[i].storage
			                      function:NULL
			                     persisted:false];
			Identifier.identifiers[vars[i].name] = variable;
		}
	});
}

int selh = 0;
bool selset = false;

		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);

#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

			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, [OFColor colorWithRed:1.0f
								 green:0.25f
								  blue:0.25f
								 alpha:1.0f]);
			else if (s->type == FHF || s->type == CHF)
				linestyle(GRIDW, [OFColor colorWithRed:0.5f
								 green:1.0f
								  blue:0.5f
								 alpha:1.0f]);
			else
				linestyle(GRIDW, OFColor.gray);
			struct block b = { ix, iy, 1, 1 };
			box(&b, h1, h2, h3, h4);
			linestyle(GRID8, [OFColor colorWithRed:0.25f
							 green:0.25f
							  blue:1.0f
							 alpha:1.0f]);
			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))

		    sheight(s, SWS(s, 0, 1, ssize), z));
		linestyle(GRIDS, OFColor.red);
		dot(cx, cy, ih);
		ch = (int)ih;
	}

	if (selset) {
		linestyle(GRIDS, [OFColor colorWithRed:1.0f
						 green:0.25f
						  blue:0.25f
						 alpha:1.0f]);
		box(&sel, (float)selh, (float)selh, (float)selh, (float)selh);
	}
}

static OFMutableData *undos; // unlimited undo
VARP(undomegs, 0, 1, 10);    // bounded by n megs

void
pruneundos(int maxremain) // bound memory
{
	int t = 0;
	for (ssize_t i = (ssize_t)undos.count - 1; i >= 0; i--) {
		struct block *undo = [undos mutableItemAtIndex:i];

		t += undo->xs * undo->ys * sizeof(struct sqr);
		if (t > maxremain) {
			OFFreeMemory(undo);
			[undos removeItemAtIndex:i];
		}
	}
}

void
makeundo()
{
	if (undos == nil)
		undos = [[OFMutableData alloc]
		    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;

	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) {

		        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:

		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;

		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;

	        ? (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();

    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)Player.player1.origin.z, what,
	        [a1 cube_intValueWithBase:0], [a2 cube_intValueWithBase:0],
	        [a3 cube_intValueWithBase:0], [a4 cube_intValueWithBase:0]);
    })