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/* macros.h
 *
 * 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  [email protected].
 * 
 * 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.
 */

#define ABS(x)		(((x) < 0) ? (-(x)) : (x))

#define HASHED_CMD(scope, name) \
  { int new; \
    Tcl_CreateHashEntry(&scope##Cmds, #name, &new)->clientData = \
      (ClientData)scope##Cmd##name; \
  }


#define ARGS \
	Tcl_Interp *interp, int argc, char **argv

#define CLIENT_ARGS \
	ClientData clientData, ARGS

#define VIEW_ARGS \
	SimView *view, ARGS

#define GRAPH_ARGS \
	SimGraph *graph, ARGS

#define DATE_ARGS \
	SimDate *date, ARGS

#define SPRITE_ARGS \
	SimSprite *sprite, ARGS


/* tile bounds */

#define TestBounds(x, y) \
	(((x) >= 0) && ((x) < WORLD_X) && ((y) >= 0) && ((y) < WORLD_Y))

/* For s_disasters.c */

#define TILE_IS_NUCLEAR(tile) \
	((tile & LOMASK) == NUCLEAR)

#define TILE_IS_VULNERABLE(tile) \
	(!(tile & ZONEBIT) && \
	 ((tile & LOMASK) >= RBRDR) && \
	 ((tile & LOMASK) <= LASTZONE))

#define TILE_IS_ARSONABLE(tile) \
	(!(tile & ZONEBIT) && \
	 ((tile & LOMASK) >= RBRDR) && \
	 ((tile & LOMASK) <= LASTZONE))

#define TILE_IS_RIVER_EDGE(tile) \
	(((tile & LOMASK) >= FIRSTRIVEDGE) && \
	 ((tile & LOMASK) <= LASTRIVEDGE))

#define TILE_IS_FLOODABLE(tile) \
	((tile == DIRT) || \
	 ((tile & BULLBIT) && \
	  (tile & BURNBIT)))

#define TILE_IS_RUBBLE(tile) \
	 (((tile & LOMASK) >= RUBBLE) && \
	  ((tile & LOMASK) <= LASTRUBBLE)))

#define TILE_IS_FLOODABLE2(tile) \
	((tile == 0) || \
	 (tile & BURNBIT) || \
         TILE_IS_RUBBLE(tile))

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