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the great reorganization
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aap
parent
219a65b81a
commit
53023eb65b
150 changed files with 45 additions and 37 deletions
247
src/vehicles/HandlingMgr.cpp
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247
src/vehicles/HandlingMgr.cpp
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#include "common.h"
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#include "patcher.h"
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#include "main.h"
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#include "FileMgr.h"
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#include "HandlingMgr.h"
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cHandlingDataMgr &mod_HandlingManager = *(cHandlingDataMgr*)0x728060;
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char *HandlingFilename = "HANDLING.CFG";
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char VehicleNames[NUMHANDLINGS][14] = {
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"LANDSTAL",
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"IDAHO",
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"STINGER",
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"LINERUN",
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"PEREN",
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"SENTINEL",
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"PATRIOT",
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"FIRETRUK",
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"TRASH",
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"STRETCH",
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"MANANA",
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"INFERNUS",
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"BLISTA",
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"PONY",
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"MULE",
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"CHEETAH",
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"AMBULAN",
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"FBICAR",
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"MOONBEAM",
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"ESPERANT",
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"TAXI",
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"KURUMA",
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"BOBCAT",
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"MRWHOOP",
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"BFINJECT",
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"POLICE",
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"ENFORCER",
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"SECURICA",
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"BANSHEE",
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"PREDATOR",
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"BUS",
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"RHINO",
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"BARRACKS",
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"TRAIN",
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"HELI",
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"DODO",
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"COACH",
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"CABBIE",
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"STALLION",
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"RUMPO",
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"RCBANDIT",
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"BELLYUP",
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"MRWONGS",
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"MAFIA",
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"YARDIE",
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"YAKUZA",
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"DIABLOS",
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"COLUMB",
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"HOODS",
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"AIRTRAIN",
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"DEADDODO",
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"SPEEDER",
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"REEFER",
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"PANLANT",
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"FLATBED",
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"YANKEE",
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"BORGNINE"
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};
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cHandlingDataMgr::cHandlingDataMgr(void)
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{
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memset(this, 0, sizeof(this));
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}
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void
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cHandlingDataMgr::Initialise(void)
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{
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LoadHandlingData();
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field_0 = 0.1f;
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field_4 = 0.9f;
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field_8 = 1.0f;
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field_C = 0.8f;
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field_10 = 0.98f;
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}
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void
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cHandlingDataMgr::LoadHandlingData(void)
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{
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char *start, *end;
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char line[201]; // weird value
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char delim[4]; // not sure
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char *word;
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int field, handlingId;
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int keepGoing;
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tHandlingData *handling;
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CFileMgr::SetDir("DATA");
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CFileMgr::LoadFile(HandlingFilename, work_buff, sizeof(work_buff), "r");
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CFileMgr::SetDir("");
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start = (char*)work_buff;
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end = start+1;
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handling = nil;
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keepGoing = 1;
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while(keepGoing){
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// find end of line
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while(*end != '\n') end++;
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// get line
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strncpy(line, start, end - start);
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line[end - start] = '\0';
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start = end+1;
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end = start+1;
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// yeah, this is kinda crappy
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if(strncmp(line, ";the end", 9) == 0)
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keepGoing = 0;
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else if(line[0] != ';'){
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field = 0;
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strcpy(delim, " \t");
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// FIX: game seems to use a do-while loop here
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for(word = strtok(line, delim); word; word = strtok(nil, delim)){
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switch(field){
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case 0:
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handlingId = FindExactWord(word, (const char*)VehicleNames, 14, NUMHANDLINGS);
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assert(handlingId >= 0 && handlingId < NUMHANDLINGS);
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handling = &HandlingData[handlingId];
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handling->nIdentifier = handlingId;
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break;
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case 1: handling->fMass = strtod(word, nil); break;
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case 2: handling->Dimension.x = strtod(word, nil); break;
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case 3: handling->Dimension.y = strtod(word, nil); break;
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case 4: handling->Dimension.z = strtod(word, nil); break;
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case 5: handling->CentreOfMass.x = strtod(word, nil); break;
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case 6: handling->CentreOfMass.y = strtod(word, nil); break;
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case 7: handling->CentreOfMass.z = strtod(word, nil); break;
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case 8: handling->nPercentSubmerged = atoi(word); break;
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case 9: handling->fTractionMultiplier = strtod(word, nil); break;
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case 10: handling->fTractionLoss = strtod(word, nil); break;
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case 11: handling->fTractionBias = strtod(word, nil); break;
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case 12: handling->TransmissionData.nNumberOfGears = atoi(word); break;
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case 13: handling->TransmissionData.fMaxVelocity = strtod(word, nil); break;
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case 14: handling->TransmissionData.fEngineAcceleration = strtod(word, nil) * 0.4f; break;
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case 15: handling->TransmissionData.nDriveType = word[0]; break;
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case 16: handling->TransmissionData.nEngineType = word[0]; break;
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case 17: handling->fBrakeDeceleration = strtod(word, nil); break;
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case 18: handling->fBrakeBias = strtod(word, nil); break;
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case 19: handling->bABS = !!atoi(word); break;
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case 20: handling->fSteeringLock = strtod(word, nil); break;
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case 21: handling->fSuspensionForceLevel = strtod(word, nil); break;
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case 22: handling->fSuspensionDampingLevel = strtod(word, nil); break;
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case 23: handling->fSeatOffsetDistance = strtod(word, nil); break;
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case 24: handling->fCollisionDamageMultiplier = strtod(word, nil); break;
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case 25: handling->nMonetaryValue = atoi(word); break;
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case 26: handling->fSuspensionUpperLimit = strtod(word, nil); break;
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case 27: handling->fSuspensionLowerLimit = strtod(word, nil); break;
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case 28: handling->fSuspensionBias = strtod(word, nil); break;
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case 29:
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sscanf(word, "%x", &handling->Flags);
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handling->TransmissionData.Flags = handling->Flags;
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break;
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case 30: handling->FrontLights = atoi(word); break;
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case 31: handling->RearLights = atoi(word); break;
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}
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field++;
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}
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ConvertDataToGameUnits(handling);
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}
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}
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}
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int
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cHandlingDataMgr::FindExactWord(const char *word, const char *words, int wordLen, int numWords)
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{
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int i;
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for(i = 0; i < numWords; i++){
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// BUG: the game does something really stupid here, it's fixed here
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if(strncmp(word, words, wordLen) == 0)
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return i;
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words += wordLen;
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}
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return numWords;
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}
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void
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cHandlingDataMgr::ConvertDataToGameUnits(tHandlingData *handling)
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{
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// TODO: figure out what exactly is being converted here
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float velocity, a, b, specificVolume;
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handling->TransmissionData.fEngineAcceleration /= 2500.0f;
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handling->TransmissionData.fMaxVelocity /= 180.0f;
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handling->fBrakeDeceleration /= 2500.0f;
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handling->fTurnMass = (sq(handling->Dimension.x) + sq(handling->Dimension.y)) * handling->fMass / 12.0f;
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if(handling->fTurnMass < 10.0f)
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handling->fTurnMass *= 5.0f;
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handling->fInvMass = 1.0f/handling->fMass;
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handling->fBuoyancy = 100.0f/handling->nPercentSubmerged * 0.008*handling->fMass;
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// What the hell is going on here?
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specificVolume = handling->Dimension.x*handling->Dimension.z*0.5f / handling->fMass; // ?
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a = 0.0f;
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b = 100.0f;
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velocity = handling->TransmissionData.fMaxVelocity;
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while(a < b && velocity > 0.0f){
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velocity -= 0.01;
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a = handling->TransmissionData.fEngineAcceleration/6.0f;
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b = -velocity * (1.0f/(specificVolume * sq(velocity) + 1.0f) - 1.0f);
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}
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if(handling->nIdentifier == HANDLING_RCBANDIT){
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handling->TransmissionData.fUnkMaxVelocity = handling->TransmissionData.fMaxVelocity;
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}else{
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handling->TransmissionData.fUnkMaxVelocity = velocity;
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handling->TransmissionData.fMaxVelocity = velocity * 1.2f;
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}
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handling->TransmissionData.fMaxReverseVelocity = -0.2f;
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if(handling->TransmissionData.nDriveType == '4')
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handling->TransmissionData.fEngineAcceleration /= 4.0f;
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else
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handling->TransmissionData.fEngineAcceleration /= 2.0f;
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handling->TransmissionData.InitGearRatios();
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}
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int32
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cHandlingDataMgr::GetHandlingId(const char *name)
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{
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int i;
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for(i = 0; i < NUMHANDLINGS; i++)
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if(strncmp(VehicleNames[i], name, 14) == 0)
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break;
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return i;
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}
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STARTPATCHES
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InjectHook(0x546D80, &cHandlingDataMgr::Initialise, PATCH_JUMP);
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InjectHook(0x546DB0, &cHandlingDataMgr::LoadHandlingData, PATCH_JUMP);
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InjectHook(0x546BB0, &cHandlingDataMgr::ConvertDataToGameUnits, PATCH_JUMP);
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InjectHook(0x546AA0, &cHandlingDataMgr::FindExactWord, PATCH_JUMP);
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InjectHook(0x546B70, &cHandlingDataMgr::GetHandlingId, PATCH_JUMP);
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ENDPATCHES
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