Annotation of micropolis/src/sim/w_budget.c, revision 1.1.1.1

1.1       root        1: /* w_budget.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: float roadPercent = 0.0;
                     66: float policePercent = 0.0;
                     67: float firePercent = 0.0;
                     68: QUAD roadValue;
                     69: QUAD policeValue;
                     70: QUAD fireValue;
                     71: QUAD roadMaxValue;
                     72: QUAD policeMaxValue;
                     73: QUAD fireMaxValue;
                     74: int MustDrawCurrPercents = 0;
                     75: int MustDrawBudgetWindow = 0;
                     76: int SetBudget(char *flowStr, char *previousStr,
                     77:              char *currentStr, char *collectedStr, short tax);
                     78: 
                     79: 
                     80: void InitFundingLevel(void)
                     81: {
                     82:   firePercent = 1.0;           /* 1.0 */
                     83:   fireValue = 0;
                     84:   policePercent = 1.0;         /* 1.0 */
                     85:   policeValue = 0;
                     86:   roadPercent = 1.0;           /* 1.0 */
                     87:   roadValue = 0;
                     88:   drawBudgetWindow();
                     89:   drawCurrPercents();
                     90: }
                     91: 
                     92: 
                     93: DoBudget()
                     94: {
                     95:   DoBudgetNow(0);
                     96: }
                     97: 
                     98: 
                     99: DoBudgetFromMenu()
                    100: {
                    101:   DoBudgetNow(1);
                    102: }
                    103: 
                    104: 
                    105: DoBudgetNow(int fromMenu)
                    106: {
                    107:   QUAD yumDuckets;
                    108:   QUAD total;
                    109:   QUAD moreDough;
                    110:   QUAD fireInt, policeInt, roadInt;
                    111: 
                    112:   fireInt = (int)(((float)FireFund) * firePercent);
                    113:   policeInt = (int)(((float)PoliceFund) * policePercent);
                    114:   roadInt = (int)(((float)RoadFund) * roadPercent);
                    115: 
                    116:   total = fireInt + policeInt + roadInt;
                    117: 
                    118:   yumDuckets = TaxFund + TotalFunds;
                    119: 
                    120:   if (yumDuckets > total) {
                    121:     fireValue = fireInt;
                    122:     policeValue = policeInt;
                    123:     roadValue = roadInt;
                    124:   } else if (total > 0) {
                    125:     if (yumDuckets > roadInt) {
                    126:       roadValue = roadInt;
                    127:       yumDuckets -= roadInt;
                    128: 
                    129:       if (yumDuckets > fireInt) {
                    130:        fireValue = fireInt;
                    131:        yumDuckets -= fireInt;
                    132: 
                    133:        if (yumDuckets > policeInt) {
                    134:          policeValue = policeInt;
                    135:          yumDuckets -= policeInt;
                    136:        } else {
                    137:          policeValue = yumDuckets;
                    138:          if (yumDuckets > 0)
                    139:            policePercent = ((float)yumDuckets) / ((float)PoliceFund);
                    140:          else
                    141:            policePercent = 0.0;
                    142:        }
                    143:       } else {
                    144:        fireValue = yumDuckets;
                    145:        policeValue = 0;
                    146:        policePercent = 0.0;
                    147:        if (yumDuckets > 0)
                    148:          firePercent = ((float)yumDuckets) / ((float)FireFund);
                    149:        else
                    150:          firePercent = 0.0;
                    151:       }
                    152:     } else {
                    153:       roadValue = yumDuckets;
                    154:       if (yumDuckets > 0)
                    155:        roadPercent = ((float)yumDuckets) / ((float)RoadFund);
                    156:       else
                    157:        roadPercent = 0.0;
                    158: 
                    159:       fireValue = 0;
                    160:       policeValue = 0;
                    161:       firePercent = 0.0;
                    162:       policePercent = 0.0;
                    163:     }
                    164:   } else {
                    165:     fireValue = 0;
                    166:     policeValue = 0;
                    167:     roadValue = 0;
                    168:     firePercent = 1.0;
                    169:     policePercent = 1.0;
                    170:     roadPercent = 1.0;
                    171:   }
                    172: 
                    173:   fireMaxValue = FireFund;
                    174:   policeMaxValue = PoliceFund;
                    175:   roadMaxValue = RoadFund;
                    176: 
                    177:   drawCurrPercents();
                    178: 
                    179:  noMoney:      
                    180:   if ((!autoBudget) || fromMenu) {
                    181:     if (!autoBudget) {
                    182:       /* TODO: append the the current year to the budget string */
                    183:     }
                    184: 
                    185:     ShowBudgetWindowAndStartWaiting();
                    186: 
                    187:     if (!fromMenu) {
                    188:       FireSpend = fireValue;
                    189:       PoliceSpend = policeValue;
                    190:       RoadSpend = roadValue;
                    191: 
                    192:       total = FireSpend + PoliceSpend + RoadSpend;
                    193:       moreDough = (QUAD)(TaxFund - total);
                    194:       Spend(-moreDough);
                    195:     }
                    196:     drawBudgetWindow();
                    197:     drawCurrPercents();
                    198:     DoUpdateHeads();
                    199: 
                    200:   } else { /* autoBudget & !fromMenu */
                    201:     if ((yumDuckets) > total) {
                    202:       moreDough = (QUAD)(TaxFund - total);
                    203:       Spend(-moreDough);
                    204:       FireSpend = FireFund;
                    205:       PoliceSpend = PoliceFund;
                    206:       RoadSpend = RoadFund;
                    207:       drawBudgetWindow();
                    208:       drawCurrPercents();
                    209:       DoUpdateHeads();
                    210:     } else {
                    211:       autoBudget = 0; /* XXX: force autobudget */
                    212:       MustUpdateOptions = 1;
                    213:       ClearMes();
                    214:       SendMes(29);
                    215:       goto noMoney;
                    216:     }
                    217:   }
                    218: }
                    219: 
                    220: 
                    221: drawBudgetWindow(void)
                    222: {
                    223:   MustDrawBudgetWindow = 1;
                    224: }
                    225: 
                    226: 
                    227: ReallyDrawBudgetWindow(void)
                    228: {
                    229:   short cashFlow, cashFlow2;
                    230:   char numStr[256], dollarStr[256], collectedStr[256],
                    231:        flowStr[256], previousStr[256], currentStr[256];
                    232: 
                    233:   cashFlow = TaxFund - fireValue - policeValue - roadValue;
                    234:        
                    235:   cashFlow2 = cashFlow;
                    236:   if (cashFlow < 0)   {
                    237:     cashFlow = -cashFlow;
                    238:     sprintf(numStr, "%d", cashFlow);
                    239:     makeDollarDecimalStr(numStr, dollarStr);
                    240:     sprintf(flowStr, "-%s", dollarStr);
                    241:   } else {
                    242:     sprintf(numStr, "%d", cashFlow);
                    243:     makeDollarDecimalStr(numStr, dollarStr);
                    244:     sprintf(flowStr, "+%s", dollarStr);
                    245:   }
                    246: 
                    247:   sprintf(numStr, "%d", TotalFunds);
                    248:   makeDollarDecimalStr(numStr, previousStr);
                    249: 
                    250:   sprintf(numStr, "%d", cashFlow2 + TotalFunds);
                    251:   makeDollarDecimalStr(numStr, currentStr);
                    252: 
                    253:   sprintf(numStr, "%d", TaxFund);
                    254:   makeDollarDecimalStr(numStr, collectedStr);
                    255: 
                    256:   SetBudget(flowStr, previousStr, currentStr, collectedStr, CityTax);
                    257: }
                    258: 
                    259: 
                    260: drawCurrPercents(void)
                    261: {
                    262:   MustDrawCurrPercents = 1;
                    263: }
                    264: 
                    265: 
                    266: ReallyDrawCurrPercents(void)
                    267: {
                    268:   char num[256];
                    269:   char fireWant[256], policeWant[256], roadWant[256];
                    270:   char fireGot[256], policeGot[256], roadGot[256];
                    271: 
                    272:   sprintf(num, "%d", fireMaxValue);
                    273:   makeDollarDecimalStr(num, fireWant);
                    274: 
                    275:   sprintf(num, "%d", policeMaxValue);
                    276:   makeDollarDecimalStr(num, policeWant);
                    277: 
                    278:   sprintf(num, "%d", roadMaxValue);
                    279:   makeDollarDecimalStr(num, roadWant);
                    280: 
                    281:   sprintf(num, "%d", (int)(fireMaxValue * firePercent));
                    282:   makeDollarDecimalStr(num, fireGot);
                    283: 
                    284:   sprintf(num, "%d", (int)(policeMaxValue * policePercent));
                    285:   makeDollarDecimalStr(num, policeGot);
                    286: 
                    287:   sprintf(num, "%d", (int)(roadMaxValue * roadPercent));
                    288:   makeDollarDecimalStr(num, roadGot);
                    289: 
                    290:   SetBudgetValues(roadGot, roadWant, 
                    291:                  policeGot, policeWant, 
                    292:                  fireGot, fireWant);
                    293: }
                    294: 
                    295: 
                    296: UpdateBudgetWindow()
                    297: {
                    298:   if (MustDrawCurrPercents) {
                    299:     ReallyDrawCurrPercents();
                    300:     MustDrawCurrPercents = 0;
                    301:   }
                    302:   if (MustDrawBudgetWindow) {
                    303:     ReallyDrawBudgetWindow();
                    304:     MustDrawBudgetWindow = 0;
                    305:   }
                    306: }
                    307: 
                    308: 
                    309: UpdateBudget()
                    310: {
                    311:   drawCurrPercents();
                    312:   drawBudgetWindow();
                    313:   Eval("UIUpdateBudget");
                    314: }
                    315: 
                    316: 
                    317: ShowBudgetWindowAndStartWaiting()
                    318: {
                    319:   Eval("UIShowBudgetAndWait");
                    320: 
                    321:   Pause();
                    322: }
                    323: 
                    324: 
                    325: SetBudget(char *flowStr, char *previousStr,
                    326:          char *currentStr, char *collectedStr, short tax)
                    327: {
                    328:   char buf[256];
                    329: 
                    330:   sprintf(buf, "UISetBudget {%s} {%s} {%s} {%s} {%d}",
                    331:          flowStr, previousStr, currentStr, collectedStr, tax);
                    332:   Eval(buf);
                    333: }
                    334: 
                    335: 
                    336: SetBudgetValues(char *roadGot, char *roadWant,
                    337:                char *policeGot, char *policeWant,
                    338:                char *fireGot, char *fireWant)
                    339: {
                    340:   char buf[256];
                    341: 
                    342:   sprintf(buf, "UISetBudgetValues {%s} {%s} %d {%s} {%s} %d {%s} {%s} %d",
                    343:          roadGot, roadWant, (int)(roadPercent * 100),
                    344:          policeGot, policeWant, (int)(policePercent * 100),
                    345:          fireGot, fireWant, (int)(firePercent * 100));
                    346:   Eval(buf);
                    347: }
                    348: 
                    349: 

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