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

1.1     ! root        1: /* w_update.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: short MustUpdateFunds;
        !            66: short MustUpdateOptions;
        !            67: QUAD LastCityTime;
        !            68: QUAD LastCityYear;
        !            69: QUAD LastCityMonth;
        !            70: QUAD LastFunds;
        !            71: QUAD LastR, LastC, LastI;
        !            72: 
        !            73: char *dateStr[12] = {
        !            74:   "Jan", "Feb", "Mar", "Apr", "May", "Jun", 
        !            75:   "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
        !            76: };
        !            77: 
        !            78: 
        !            79: void DoUpdateHeads()
        !            80: {
        !            81:   showValves();
        !            82:   doTimeStuff();
        !            83:   ReallyUpdateFunds();
        !            84:   updateOptions();
        !            85: }
        !            86: 
        !            87: 
        !            88: void UpdateEditors()
        !            89: {
        !            90:   InvalidateEditors();
        !            91:   DoUpdateHeads();
        !            92: }
        !            93: 
        !            94: 
        !            95: void UpdateMaps()
        !            96: {
        !            97:   InvalidateMaps();
        !            98: }
        !            99: 
        !           100: 
        !           101: void UpdateGraphs()
        !           102: {
        !           103:   ChangeCensus();
        !           104: }
        !           105: 
        !           106: 
        !           107: void UpdateEvaluation()
        !           108: {
        !           109:   ChangeEval();
        !           110: }
        !           111: 
        !           112: 
        !           113: void UpdateHeads()
        !           114: {
        !           115:   MustUpdateFunds = ValveFlag = 1;
        !           116:   LastCityTime = LastCityYear = LastCityMonth = LastFunds = LastR = -999999;
        !           117:   DoUpdateHeads();
        !           118: }
        !           119: 
        !           120: UpdateFunds(void)
        !           121: {
        !           122:   MustUpdateFunds = 1;
        !           123: //  Kick();
        !           124: }
        !           125: 
        !           126: 
        !           127: ReallyUpdateFunds(void)
        !           128: {
        !           129:   char localStr[256], dollarStr[256], buf[256];
        !           130: 
        !           131:   if (!MustUpdateFunds) return;
        !           132: 
        !           133:   MustUpdateFunds = 0;
        !           134: 
        !           135:   if (TotalFunds < 0) TotalFunds = 0;
        !           136: 
        !           137:   if (TotalFunds != LastFunds) {
        !           138:     LastFunds = TotalFunds;
        !           139:     sprintf(localStr, "%d", TotalFunds);
        !           140:     makeDollarDecimalStr(localStr, dollarStr);
        !           141: 
        !           142:     sprintf(localStr, "Funds: %s", dollarStr);
        !           143: 
        !           144:     sprintf(buf, "UISetFunds {%s}", localStr);
        !           145:     Eval(buf);
        !           146:   }
        !           147: }
        !           148: 
        !           149: 
        !           150: doTimeStuff(void) 
        !           151: {
        !           152: //  if ((CityTime >> 2) != LastCityTime) {
        !           153:     updateDate();
        !           154: //  }
        !           155: }
        !           156: 
        !           157: 
        !           158: updateDate(void)
        !           159: {      
        !           160:   int y;
        !           161:   int m;
        !           162:   char str[256], buf[256];
        !           163:   int megalinium = 1000000;
        !           164: 
        !           165:   LastCityTime = CityTime >> 2;
        !           166: 
        !           167:   y = ((int)CityTime / 48) + (int)StartingYear;
        !           168:   m = ((int)CityTime % 48) >> 2;
        !           169: 
        !           170:   if (y >= megalinium) {
        !           171:     SetYear(StartingYear);
        !           172:     y = StartingYear;
        !           173:     SendMes(-40);
        !           174:   }
        !           175: 
        !           176:   doMessage();
        !           177: 
        !           178:   if ((LastCityYear != y) ||
        !           179:       (LastCityMonth != m)) {
        !           180: 
        !           181:     LastCityYear = y;
        !           182:     LastCityMonth = m;
        !           183: 
        !           184:     sprintf(str, "%s %d", dateStr[m], y);
        !           185: 
        !           186:     sprintf(buf,
        !           187:            "UISetDate {%s} %d %d",
        !           188:            str, m, y);
        !           189:     Eval(buf);
        !           190:   }
        !           191: }
        !           192: 
        !           193: 
        !           194: showValves(void)
        !           195: {
        !           196:   if (ValveFlag) {
        !           197:     drawValve();
        !           198:     ValveFlag = 0;
        !           199:   }
        !           200: }
        !           201: 
        !           202: 
        !           203: drawValve(void)
        !           204: {
        !           205:   double r, c, i;
        !           206: 
        !           207:   r = RValve;
        !           208:   if (r < -1500) r = -1500;
        !           209:   if (r > 1500) r = 1500;
        !           210: 
        !           211:   c = CValve;
        !           212:   if (c < -1500) c = -1500;
        !           213:   if (c > 1500) c = 1500;
        !           214: 
        !           215:   i = IValve;
        !           216:   if (i < -1500) i = -1500;
        !           217:   if (i > 1500) i = 1500;
        !           218: 
        !           219:   if ((r != LastR) ||
        !           220:       (c != LastC) ||
        !           221:       (i != LastI)) {
        !           222:     LastR = r;
        !           223:     LastC = c;
        !           224:     LastI = i;
        !           225:     SetDemand(r, c, i);
        !           226:   }
        !           227: }
        !           228: 
        !           229: 
        !           230: SetDemand(double r, double c, double i)
        !           231: {
        !           232:   char buf[256];
        !           233: 
        !           234:   sprintf(buf, "UISetDemand %d %d %d",
        !           235:          (int)(r / 100), (int)(c / 100), (int)(i / 100));
        !           236:   Eval(buf);
        !           237: }
        !           238: 
        !           239: 
        !           240: updateOptions()
        !           241: {
        !           242:   int options;
        !           243: 
        !           244:   if (MustUpdateOptions) {
        !           245:     options = 0;
        !           246:     if (autoBudget)    options |= 1;
        !           247:     if (autoGo)                options |= 2;
        !           248:     if (autoBulldoze)  options |= 4;
        !           249:     if (!NoDisasters)  options |= 8;
        !           250:     if (UserSoundOn)   options |= 16;
        !           251:     if (DoAnimation)   options |= 32;
        !           252:     if (DoMessages)    options |= 64;
        !           253:     if (DoNotices)     options |= 128;
        !           254: 
        !           255:     MustUpdateOptions = 0;
        !           256:     UpdateOptionsMenu(options);
        !           257:   }
        !           258: }
        !           259: 
        !           260: 
        !           261: UpdateOptionsMenu(int options)
        !           262: {
        !           263:   char buf[256];
        !           264:   sprintf(buf, "UISetOptions %d %d %d %d %d %d %d %d",
        !           265:          (options&1)?1:0, (options&2)?1:0,
        !           266:          (options&4)?1:0, (options&8)?1:0,
        !           267:          (options&16)?1:0, (options&32)?1:0,
        !           268:          (options&64)?1:0, (options&128)?1:0);
        !           269:   Eval(buf);
        !           270: }
        !           271: 
        !           272: 

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