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Annotation of micropolis/src/sim/w_util.c, revision 1.1

1.1     ! root        1: /* w_util.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  [email protected].
        !             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: /* comefrom: drawTaxesCollected incBoxValue decBoxValue drawCurrentFunds 
        !            66:             drawActualBox UpdateFunds updateCurrentCost */
        !            67: makeDollarDecimalStr(char *numStr, char *dollarStr)
        !            68: {
        !            69:   register short leftMostSet;
        !            70:   short numOfDigits;
        !            71:   short numOfChars;
        !            72:   register short numOfCommas;
        !            73:   register short dollarIndex = 0;
        !            74:   register short numIndex = 0;
        !            75:   register short x;
        !            76: 
        !            77:   numOfDigits = strlen(numStr);
        !            78: 
        !            79:   if (numOfDigits == 1) {
        !            80:     dollarStr[0] = '$';
        !            81:     dollarStr[1] = numStr[ 0 ];
        !            82:     dollarStr[2] = 0;
        !            83:     return;
        !            84:   } else if (numOfDigits == 2) {
        !            85:     dollarStr[0] = '$';
        !            86:     dollarStr[1] = numStr[0];
        !            87:     dollarStr[2] = numStr[1];
        !            88:     dollarStr[3] = 0;
        !            89:     return;
        !            90:   } else if (numOfDigits == 3) {
        !            91:     dollarStr[0] = '$';
        !            92:     dollarStr[1] = numStr[0];
        !            93:     dollarStr[2] = numStr[1];
        !            94:     dollarStr[3] = numStr[2];
        !            95:     dollarStr[4] = 0;
        !            96:   } else {
        !            97:     leftMostSet = numOfDigits % 3;
        !            98:     if (leftMostSet == 0)
        !            99:       leftMostSet = 3;
        !           100:     
        !           101:     numOfCommas = (numOfDigits - 1) / 3;
        !           102:     
        !           103:     /* add 1 for the dollar sign */
        !           104:     numOfChars = numOfDigits + numOfCommas + 1;
        !           105:     
        !           106:     dollarStr[numOfChars] = 0;
        !           107:     
        !           108:     dollarStr[dollarIndex++] = '$';
        !           109:     
        !           110:     for (x = 1; x <= leftMostSet; x++) {
        !           111:       dollarStr[dollarIndex++] = numStr[numIndex++];
        !           112:     }          
        !           113: 
        !           114:     for (x = 1; x <= numOfCommas; x++) {
        !           115:       dollarStr[dollarIndex++] = ',';
        !           116:       dollarStr[dollarIndex++] = numStr[numIndex++];
        !           117:       dollarStr[dollarIndex++] = numStr[numIndex++];
        !           118:       dollarStr[dollarIndex++] = numStr[numIndex++];
        !           119:     }
        !           120:   }
        !           121: }
        !           122: 
        !           123: 
        !           124: Pause()
        !           125: {
        !           126:   if (!sim_paused) {
        !           127:     sim_paused_speed = SimMetaSpeed;
        !           128:     setSpeed(0);
        !           129:     sim_paused = 1;
        !           130:   }
        !           131: }
        !           132: 
        !           133: 
        !           134: Resume()
        !           135: {
        !           136:   if (sim_paused) {
        !           137:     sim_paused = 0;
        !           138:     setSpeed(sim_paused_speed);
        !           139:   }
        !           140: }
        !           141: 
        !           142: 
        !           143: setSpeed(short speed)
        !           144: {
        !           145:   if (speed < 0) speed = 0;
        !           146:   else if (speed > 3) speed = 3;
        !           147: 
        !           148:   SimMetaSpeed = speed;
        !           149: 
        !           150:   if (sim_paused) {
        !           151:     sim_paused_speed = SimMetaSpeed;
        !           152:     speed = 0;
        !           153:   }
        !           154: 
        !           155:   SimSpeed = speed;
        !           156: 
        !           157:   if (speed == 0) {
        !           158:     StopMicropolisTimer();
        !           159:   } else {
        !           160:     StartMicropolisTimer();
        !           161:   }
        !           162: 
        !           163:   { char buf[256];
        !           164:     sprintf(buf, "UISetSpeed %d", sim_paused ? 0 : SimMetaSpeed);
        !           165:     Eval(buf);
        !           166:   }
        !           167: }
        !           168: 
        !           169: 
        !           170: setSkips(int skips)
        !           171: {
        !           172:   sim_skips = skips;
        !           173:   sim_skip = 0;
        !           174: }
        !           175: 
        !           176: 
        !           177: SetGameLevelFunds(short level)
        !           178: {
        !           179:   switch (level) {
        !           180:   default:
        !           181:   case 0:
        !           182:     SetFunds(20000);
        !           183:     SetGameLevel(0);
        !           184:     break;
        !           185:   case 1:
        !           186:     SetFunds(10000);
        !           187:     SetGameLevel(1);
        !           188:     break;
        !           189:   case 2:
        !           190:     SetFunds(5000);
        !           191:     SetGameLevel(2);
        !           192:     break;
        !           193:   }
        !           194: }
        !           195: 
        !           196: 
        !           197: SetGameLevel(short level)
        !           198: {
        !           199:   GameLevel = level;
        !           200:   UpdateGameLevel();
        !           201: }
        !           202: 
        !           203: 
        !           204: UpdateGameLevel()
        !           205: {
        !           206:   char buf[256];
        !           207: 
        !           208:   sprintf(buf, "UISetGameLevel %d", GameLevel);
        !           209:   Eval(buf);
        !           210: }
        !           211: 
        !           212: 
        !           213: setCityName(char *name)
        !           214: {
        !           215:   char *cp = name;
        !           216: 
        !           217:   while (*cp) {
        !           218:     if (!isalnum(*cp))
        !           219:       *cp = '_';
        !           220:     cp++;
        !           221:   }
        !           222:   setAnyCityName(name);
        !           223: }
        !           224: 
        !           225: 
        !           226: setAnyCityName(char *name)
        !           227: {
        !           228:   char buf[1024];
        !           229: 
        !           230:   CityName = name;
        !           231:   sprintf(buf, "UISetCityName {%s}", CityName);
        !           232:   Eval(buf);
        !           233: }
        !           234: 
        !           235: 
        !           236: SetYear(int year)
        !           237: {
        !           238:   // Must prevent year from going negative, since it screws up the non-floored modulo arithmetic.
        !           239:   if (year < StartingYear) {
        !           240:     year = StartingYear;
        !           241:   }
        !           242: 
        !           243:   year = (year - StartingYear) - (CityTime / 48);
        !           244:   CityTime += year * 48;
        !           245:   doTimeStuff();
        !           246: }
        !           247: 
        !           248: 
        !           249: int
        !           250: CurrentYear()
        !           251: {
        !           252:   return (CityTime/48 + StartingYear);
        !           253: }
        !           254: 
        !           255: 
        !           256: DoSetMapState(SimView *view, short state)
        !           257: {
        !           258:   char buf[256];
        !           259: 
        !           260:   view->map_state = state;
        !           261:   view->invalid = 1;
        !           262:   EventuallyRedrawView(view);
        !           263: 
        !           264:   sprintf(buf, "UISetMapState %s %d", Tk_PathName(view->tkwin), state);
        !           265:   Eval(buf);
        !           266: }
        !           267: 
        !           268: 
        !           269: DoNewGame()
        !           270: {
        !           271:   Eval("UINewGame");
        !           272: }
        !           273: 
        !           274: 
        !           275: DoGeneratedCityImage(char *name, int time, int pop, char *class, int score)
        !           276: {
        !           277:   /* XXX: TODO: print city */
        !           278: }
        !           279: 
        !           280: 
        !           281: DoStartElmd()
        !           282: {
        !           283:   /* XXX: TODO: start elm daemon */
        !           284: }
        !           285: 
        !           286: 
        !           287: DoPopUpMessage(char *msg)
        !           288: {
        !           289:   char buf[1024];
        !           290: 
        !           291:   sprintf(buf, "UIPopUpMessage {%s}", msg);
        !           292:   Eval(buf);
        !           293: }
        !           294: 
        !           295: 

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