git.zerfleddert.de Git - micropolis/blame_incremental - src/sim/g_bigmap.c

/* g_bigmap.c
 *
 * Micropolis, Unix Version.  This game was released for the Unix platform
 * in or about 1990 and has been modified for inclusion in the One Laptop
 * Per Child program.  Copyright (C) 1989 - 2007 Electronic Arts Inc.  If
 * you need assistance with this program, you may contact:
 *   http://wiki.laptop.org/go/Micropolis  or email  micropolis@laptop.org.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.  You should have received a
 * copy of the GNU General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 *
 *             ADDITIONAL TERMS per GNU GPL Section 7
 *
 * No trademark or publicity rights are granted.  This license does NOT
 * give you any right, title or interest in the trademark SimCity or any
 * other Electronic Arts trademark.  You may not distribute any
 * modification of this program using the trademark SimCity or claim any
 * affliation or association with Electronic Arts Inc. or its employees.
 *
 * Any propagation or conveyance of this program must include this
 * copyright notice and these terms.
 *
 * If you convey this program (or any modifications of it) and assume
 * contractual liability for the program to recipients of it, you agree
 * to indemnify Electronic Arts for any liability that those contractual
 * assumptions impose on Electronic Arts.
 *
 * You may not misrepresent the origins of this program; modified
 * versions of the program must be marked as such and not identified as
 * the original program.
 *
 * This disclaimer supplements the one included in the General Public
 * License.  TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS
 * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY
 * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK.  THE ENTIRE RISK OF
 * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU.  ELECTRONIC ARTS
 * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES,
 * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY,
 * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY
 * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING,
 * USAGE, OR TRADE PRACTICE.  ELECTRONIC ARTS DOES NOT WARRANT AGAINST
 * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL
 * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE
 * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE
 * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE
 * CORRECTED.  NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR
 * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY.  SOME
 * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED
 * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A
 * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY
 * NOT APPLY TO YOU.
 */
#include "sim.h"


int dynamicFilter(int c, int r);
int WireDrawBeegMapRect(SimView *view, short x, short y, short w, short h);

drawBeegMaps()
{
  sim_update_editors();
}


MemDrawBeegMapRect(SimView *view, int x, int y, int w, int h)
{
  int lineBytes = view->line_bytes;
  int pixelBytes = view->pixel_bytes;
  QUAD ii, mm;
  unsigned short *map;
  unsigned short tile;
  unsigned char blink = (flagBlink <= 0), *bt = view->bigtiles;
  short col, row;
  short **have, *ha;

  if (x < view->tile_x) {
    if ((w -= (view->tile_x - x)) <= 0)
      return;
    x = view->tile_x;
  }
  if (y < view->tile_y) {
    if ((h -= (view->tile_y - y)) <= 0)
      return;
    y = view->tile_y;
  }
  if ((x + w) > (view->tile_x + view->tile_width)) {
    if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
      return;
  }
  if ((y + h) > (view->tile_y + view->tile_height)) {
    if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
      return;
  }

  if (view->x->color) {
    register unsigned QUAD *image, *mem;

    image = (unsigned QUAD *)view->data;
    ii = ((lineBytes * h * 16) - 16) / sizeof(unsigned QUAD);
    map = (unsigned short *)&Map[x][y];
    mm = WORLD_Y - h;
    have = view->tiles;

    /*
     * Huge Berserk Rebel Warthog
     */

    for (col = 0; col < w; col++) {
      ha = &have[col][0];
      image = (unsigned QUAD *)(view->data + (col * 16 * pixelBytes));
      for (row = 0; row < h; row++, ha++) {
	tile = *(map++);
	if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;

	/* Blink lightning bolt in unpowered zone center */
	if (blink && (tile & ZONEBIT) && !(tile & PWRBIT)) {
	  tile = LIGHTNINGBOLT;
	} else {
	  tile &= LOMASK;
	} // if

	if (
	    (tile > 63) &&
	    (view->dynamic_filter != 0) &&
	    (dynamicFilter(col + x, row + y) == 0)
	    ) {
	  tile = 0;
	} // if

	/* XXX */
	if (tile == *ha) {
	  image = (unsigned QUAD *)(((unsigned char *)image) +
				    (lineBytes * 16));
	} else {
	  *ha = tile;
	  mem = (unsigned QUAD *)&(bt[tile * 256 * pixelBytes]);

	  /* XXX: handle depth for big tiles */
#if 1
	  /* Very un-rolled loop. */

#define ROW1_8(n) \
	  image[0] = mem[0+n]; \
	  image[1] = mem[1+n]; \
	  image[2] = mem[2+n]; \
	  image[3] = mem[3+n]; \
	  image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);

#define ROW2_8(n) ROW1_8(n) ROW1_8(n+4)
#define ROW4_8(n) ROW2_8(n) ROW2_8(n+8)
#define ROW8_8(n) ROW4_8(n) ROW4_8(n+16)
#define ROW16_8() ROW8_8(0) ROW8_8(32)

#define ROW1_16(n) \
      memcpy((char *)image, (char *)mem + (2 * 16 * (n)), 2 * 16); \
      image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);

#define ROW2_16(n) ROW1_16(n) ROW1_16(n+1)
#define ROW4_16(n) ROW2_16(n) ROW2_16(n+2)
#define ROW8_16(n) ROW4_16(n) ROW4_16(n+4)
#define ROW16_16() ROW8_16(0) ROW8_16(8)

#define ROW1_32(n) \
      memcpy((char *)image, (char *)mem + (4 * 16 * (n)), 4 * 16); \
      image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);

#define ROW2_32(n) ROW1_32(n) ROW1_32(n+1)
#define ROW4_32(n) ROW2_32(n) ROW2_32(n+2)
#define ROW8_32(n) ROW4_32(n) ROW4_32(n+4)
#define ROW16_32() ROW8_32(0) ROW8_32(8)

	  switch (view->x->depth) {

	  case 8:
	    ROW16_8();
	    break;

	  case 15:
	  case 16:
	    ROW16_16();
	    break;

	  case 24:
	  case 32:
	    ROW16_32();
	    break;

	  default:
	    /* XXX: handle different depths */
	    break;

	  } // switch

#else
	  /* Not so un-rolled loop. */

	  { int i;
	    for (i = 16; i > 0; i--) {
	      image[0] = mem[0]; image[1] = mem[1];
	      image[2] = mem[2]; image[3] = mem[3];
	      image = (unsigned QUAD *)(((unsigned char *)image) + lineBytes);
	      mem += 4;
	    }
	  } // scope
#endif

	} // if

      } // for row
      image -= ii;
      map += mm;
    } // for col
  } else {
    register unsigned short *image, *mem;

    image = (unsigned short *)view->data;
    ii = ((lineBytes * h * 16) - 2) / sizeof(unsigned short);
    map = (unsigned short *)&Map[x][y];
    mm = WORLD_Y - h;
    have = view->tiles;

    for (col = 0; col < w; col++) {
      ha = &have[col][0];
      image = (unsigned short *)(view->data + (col * 2));
      for (row = 0; row < h; row++, ha++) {
	tile = *(map++);
	if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;

	/* Blink lightning bolt in unpowered zone center */
	if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
	  tile = LIGHTNINGBOLT;
	else
	  tile &= LOMASK;

	if (tile == *ha) {
	  image = (unsigned short *)
	    (((unsigned char *)image) + (lineBytes * 16));
	} else {
	  *ha = tile;
	  mem = (unsigned short *)&(bt[tile * 32]);

	  { char i;
	    for (i = 16; i > 0; i--) {
	      *image = *mem;
	      image = (unsigned short *)(((unsigned char *)image) + lineBytes);
	      mem++;
	    }
	  }
	}
      }
      image -= ii;
      map += mm;
    }
  }
}


WireDrawBeegMapRect(SimView *view, short x, short y, short w, short h)
{
  unsigned short *map;
  unsigned short tile;
  unsigned char blink = (flagBlink <= 0);
  short col, row;
  QUAD mm;
  short **have, *ha;

  if (x < view->tile_x) {
    if ((w -= (view->tile_x - x)) <= 0)
      return;
    x = view->tile_x;
  }
  if (y < view->tile_y) {
    if ((h -= (view->tile_y - y)) <= 0)
      return;
    y = view->tile_y;
  }
  if ((x + w) > (view->tile_x + view->tile_width)) {
    if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
      return;
  }
  if ((y + h) > (view->tile_y + view->tile_height)) {
    if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
      return;
  }

  map = (unsigned short *)&Map[x][y];
  mm = WORLD_Y - h;
  have = view->tiles;

  for (col = 0; col < w; col++) {
    ha = &have[col][0];
    for (row = 0; row < h; row++, ha++) {
      tile = *(map++);
      if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;

      /* Blink lightning bolt in unpowered zone center */
      if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
	tile = LIGHTNINGBOLT;
      else
	tile &= LOMASK;

      if (tile != *ha) {
	*ha = tile;
	XCopyArea(view->x->dpy, view->x->big_tile_pixmap, view->pixmap,
		  view->x->gc, 0, tile * 16, 16, 16,
		  col * 16, row * 16);
      }
    }
    map += mm;
  }
}
Commit	Line	Data
	1	/* g_bigmap.c
	2	*
	3	* Micropolis, Unix Version. This game was released for the Unix platform
	4	* in or about 1990 and has been modified for inclusion in the One Laptop
	5	* Per Child program. Copyright (C) 1989 - 2007 Electronic Arts Inc. If
	6	* you need assistance with this program, you may contact:
	7	* http://wiki.laptop.org/go/Micropolis or email micropolis@laptop.org.
	8	*
	9	* This program is free software: you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation, either version 3 of the License, or (at
	12	* your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details. You should have received a
	18	* copy of the GNU General Public License along with this program. If
	19	* not, see <http://www.gnu.org/licenses/>.
	20	*
	21	* ADDITIONAL TERMS per GNU GPL Section 7
	22	*
	23	* No trademark or publicity rights are granted. This license does NOT
	24	* give you any right, title or interest in the trademark SimCity or any
	25	* other Electronic Arts trademark. You may not distribute any
	26	* modification of this program using the trademark SimCity or claim any
	27	* affliation or association with Electronic Arts Inc. or its employees.
	28	*
	29	* Any propagation or conveyance of this program must include this
	30	* copyright notice and these terms.
	31	*
	32	* If you convey this program (or any modifications of it) and assume
	33	* contractual liability for the program to recipients of it, you agree
	34	* to indemnify Electronic Arts for any liability that those contractual
	35	* assumptions impose on Electronic Arts.
	36	*
	37	* You may not misrepresent the origins of this program; modified
	38	* versions of the program must be marked as such and not identified as
	39	* the original program.
	40	*
	41	* This disclaimer supplements the one included in the General Public
	42	* License. TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS
	43	* PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY
	44	* OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK. THE ENTIRE RISK OF
	45	* SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU. ELECTRONIC ARTS
	46	* DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES,
	47	* INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY,
	48	* FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY
	49	* RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING,
	50	* USAGE, OR TRADE PRACTICE. ELECTRONIC ARTS DOES NOT WARRANT AGAINST
	51	* INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL
	52	* MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE
	53	* UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE
	54	* WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE
	55	* CORRECTED. NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR
	56	* ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY. SOME
	57	* JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED
	58	* WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A
	59	* CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY
	60	* NOT APPLY TO YOU.
	61	*/
	62	#include "sim.h"
	63
	64
	65	int dynamicFilter(int c, int r);
	66	int WireDrawBeegMapRect(SimView *view, short x, short y, short w, short h);
	67
	68	drawBeegMaps()
	69	{
	70	sim_update_editors();
	71	}
	72
	73
	74	MemDrawBeegMapRect(SimView *view, int x, int y, int w, int h)
	75	{
	76	int lineBytes = view->line_bytes;
	77	int pixelBytes = view->pixel_bytes;
	78	QUAD ii, mm;
	79	unsigned short *map;
	80	unsigned short tile;
	81	unsigned char blink = (flagBlink <= 0), *bt = view->bigtiles;
	82	short col, row;
	83	short *have, ha;
	84
	85	if (x < view->tile_x) {
	86	if ((w -= (view->tile_x - x)) <= 0)
	87	return;
	88	x = view->tile_x;
	89	}
	90	if (y < view->tile_y) {
	91	if ((h -= (view->tile_y - y)) <= 0)
	92	return;
	93	y = view->tile_y;
	94	}
	95	if ((x + w) > (view->tile_x + view->tile_width)) {
	96	if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
	97	return;
	98	}
	99	if ((y + h) > (view->tile_y + view->tile_height)) {
	100	if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
	101	return;
	102	}
	103
	104	if (view->x->color) {
	105	register unsigned QUAD image, mem;
	106
	107	image = (unsigned QUAD *)view->data;
	108	ii = ((lineBytes * h * 16) - 16) / sizeof(unsigned QUAD);
	109	map = (unsigned short *)&Map[x][y];
	110	mm = WORLD_Y - h;
	111	have = view->tiles;
	112
	113	/*
	114	* Huge Berserk Rebel Warthog
	115	*/
	116
	117	for (col = 0; col < w; col++) {
	118	ha = &have[col][0];
	119	image = (unsigned QUAD )(view->data + (col 16 * pixelBytes));
	120	for (row = 0; row < h; row++, ha++) {
	121	tile = *(map++);
	122	if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
	123
	124	/* Blink lightning bolt in unpowered zone center */
	125	if (blink && (tile & ZONEBIT) && !(tile & PWRBIT)) {
	126	tile = LIGHTNINGBOLT;
	127	} else {
	128	tile &= LOMASK;
	129	} // if
	130
	131	if (
	132	(tile > 63) &&
	133	(view->dynamic_filter != 0) &&
	134	(dynamicFilter(col + x, row + y) == 0)
	135	) {
	136	tile = 0;
	137	} // if
	138
	139	/* XXX */
	140	if (tile == *ha) {
	141	image = (unsigned QUAD )(((unsigned char )image) +
	142	(lineBytes * 16));
	143	} else {
	144	*ha = tile;
	145	mem = (unsigned QUAD )&(bt[tile 256 * pixelBytes]);
	146
	147	/* XXX: handle depth for big tiles */
	148	#if 1
	149	/* Very un-rolled loop. */
	150
	151	#define ROW1_8(n) \
	152	image[0] = mem[0+n]; \
	153	image[1] = mem[1+n]; \
	154	image[2] = mem[2+n]; \
	155	image[3] = mem[3+n]; \
	156	image = (unsigned QUAD )(((unsigned char )image) + lineBytes);
	157
	158	#define ROW2_8(n) ROW1_8(n) ROW1_8(n+4)
	159	#define ROW4_8(n) ROW2_8(n) ROW2_8(n+8)
	160	#define ROW8_8(n) ROW4_8(n) ROW4_8(n+16)
	161	#define ROW16_8() ROW8_8(0) ROW8_8(32)
	162
	163	#define ROW1_16(n) \
	164	memcpy((char )image, (char )mem + (2 * 16 * (n)), 2 * 16); \
	165	image = (unsigned QUAD )(((unsigned char )image) + lineBytes);
	166
	167	#define ROW2_16(n) ROW1_16(n) ROW1_16(n+1)
	168	#define ROW4_16(n) ROW2_16(n) ROW2_16(n+2)
	169	#define ROW8_16(n) ROW4_16(n) ROW4_16(n+4)
	170	#define ROW16_16() ROW8_16(0) ROW8_16(8)
	171
	172	#define ROW1_32(n) \
	173	memcpy((char )image, (char )mem + (4 * 16 * (n)), 4 * 16); \
	174	image = (unsigned QUAD )(((unsigned char )image) + lineBytes);
	175
	176	#define ROW2_32(n) ROW1_32(n) ROW1_32(n+1)
	177	#define ROW4_32(n) ROW2_32(n) ROW2_32(n+2)
	178	#define ROW8_32(n) ROW4_32(n) ROW4_32(n+4)
	179	#define ROW16_32() ROW8_32(0) ROW8_32(8)
	180
	181	switch (view->x->depth) {
	182
	183	case 8:
	184	ROW16_8();
	185	break;
	186
	187	case 15:
	188	case 16:
	189	ROW16_16();
	190	break;
	191
	192	case 24:
	193	case 32:
	194	ROW16_32();
	195	break;
	196
	197	default:
	198	/* XXX: handle different depths */
	199	break;
	200
	201	} // switch
	202
	203	#else
	204	/* Not so un-rolled loop. */
	205
	206	{ int i;
	207	for (i = 16; i > 0; i--) {
	208	image[0] = mem[0]; image[1] = mem[1];
	209	image[2] = mem[2]; image[3] = mem[3];
	210	image = (unsigned QUAD )(((unsigned char )image) + lineBytes);
	211	mem += 4;
	212	}
	213	} // scope
	214	#endif
	215
	216	} // if
	217
	218	} // for row
	219	image -= ii;
	220	map += mm;
	221	} // for col
	222	} else {
	223	register unsigned short image, mem;
	224
	225	image = (unsigned short *)view->data;
	226	ii = ((lineBytes * h * 16) - 2) / sizeof(unsigned short);
	227	map = (unsigned short *)&Map[x][y];
	228	mm = WORLD_Y - h;
	229	have = view->tiles;
	230
	231	for (col = 0; col < w; col++) {
	232	ha = &have[col][0];
	233	image = (unsigned short )(view->data + (col 2));
	234	for (row = 0; row < h; row++, ha++) {
	235	tile = *(map++);
	236	if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
	237
	238	/* Blink lightning bolt in unpowered zone center */
	239	if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
	240	tile = LIGHTNINGBOLT;
	241	else
	242	tile &= LOMASK;
	243
	244	if (tile == *ha) {
	245	image = (unsigned short *)
	246	(((unsigned char )image) + (lineBytes 16));
	247	} else {
	248	*ha = tile;
	249	mem = (unsigned short )&(bt[tile 32]);
	250
	251	{ char i;
	252	for (i = 16; i > 0; i--) {
	253	image = mem;
	254	image = (unsigned short )(((unsigned char )image) + lineBytes);
	255	mem++;
	256	}
	257	}
	258	}
	259	}
	260	image -= ii;
	261	map += mm;
	262	}
	263	}
	264	}
	265
	266
	267	WireDrawBeegMapRect(SimView *view, short x, short y, short w, short h)
	268	{
	269	unsigned short *map;
	270	unsigned short tile;
	271	unsigned char blink = (flagBlink <= 0);
	272	short col, row;
	273	QUAD mm;
	274	short *have, ha;
	275
	276	if (x < view->tile_x) {
	277	if ((w -= (view->tile_x - x)) <= 0)
	278	return;
	279	x = view->tile_x;
	280	}
	281	if (y < view->tile_y) {
	282	if ((h -= (view->tile_y - y)) <= 0)
	283	return;
	284	y = view->tile_y;
	285	}
	286	if ((x + w) > (view->tile_x + view->tile_width)) {
	287	if ((w -= ((x + w) - (view->tile_x + view->tile_width))) <= 0)
	288	return;
	289	}
	290	if ((y + h) > (view->tile_y + view->tile_height)) {
	291	if ((h -= ((y + h) - (view->tile_y + view->tile_height))) <= 0)
	292	return;
	293	}
	294
	295	map = (unsigned short *)&Map[x][y];
	296	mm = WORLD_Y - h;
	297	have = view->tiles;
	298
	299	for (col = 0; col < w; col++) {
	300	ha = &have[col][0];
	301	for (row = 0; row < h; row++, ha++) {
	302	tile = *(map++);
	303	if ((tile & LOMASK) >= TILE_COUNT) tile -= TILE_COUNT;
	304
	305	/* Blink lightning bolt in unpowered zone center */
	306	if (blink && (tile & ZONEBIT) && !(tile & PWRBIT))
	307	tile = LIGHTNINGBOLT;
	308	else
	309	tile &= LOMASK;
	310
	311	if (tile != *ha) {
	312	*ha = tile;
	313	XCopyArea(view->x->dpy, view->x->big_tile_pixmap, view->pixmap,
	314	view->x->gc, 0, tile * 16, 16, 16,
	315	col * 16, row * 16);
	316	}
	317	}
	318	map += mm;
	319	}
	320	}