428 lines
13 KiB
C++
428 lines
13 KiB
C++
#include "common.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;
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const char *HandlingFilename = "HANDLING.CFG";
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const 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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"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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"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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"MAFIA",
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"AIRTRAIN",
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"DEADDODO",
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"FLATBED",
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"YANKEE",
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"GOLFCART",
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"VOODOO",
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"WASHING",
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"CUBAN",
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"ROMERO",
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"PACKER",
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"ADMIRAL",
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"GANGBUR",
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"ZEBRA",
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"TOPFUN",
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"GLENDALE",
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"OCEANIC",
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"HERMES",
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"SABRE1",
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"SABRETUR",
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"PHEONIX",
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"WALTON",
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"REGINA",
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"COMET",
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"DELUXO",
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"BURRITO",
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"SPAND",
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"BAGGAGE",
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"KAUFMAN",
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"RANCHER",
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"FBIRANCH",
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"VIRGO",
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"GREENWOO",
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"HOTRING",
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"SANDKING",
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"BLISTAC",
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"BOXVILLE",
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"BENSON",
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"DESPERAD",
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"LOVEFIST",
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"BLOODRA",
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"BLOODRB",
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"BIKE",
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"MOPED",
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"DIRTBIKE",
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"ANGEL",
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"FREEWAY",
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"PREDATOR",
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"SPEEDER",
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"REEFER",
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"RIO",
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"SQUALO",
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"TROPIC",
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"COASTGRD",
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"DINGHY",
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"MARQUIS",
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"CUPBOAT",
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"SEAPLANE",
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"SPARROW",
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"SEASPAR",
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"MAVERICK",
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"COASTMAV",
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"POLMAV",
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"HUNTER",
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"RCBARON",
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"RCGOBLIN",
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"RCCOPTER"
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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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fWheelFriction = 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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tFlyingHandlingData *flyingHandling;
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tBoatHandlingData *boatHandling;
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tBikeHandlingData *bikeHandling;
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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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flyingHandling = nil;
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boatHandling = nil;
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bikeHandling = 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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if(line[0] == '!'){
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// Bike data
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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: break;
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case 1:
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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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bikeHandling = GetBikePointer(handlingId);
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bikeHandling->nIdentifier = (eHandlingId)handlingId;
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break;
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case 2: bikeHandling->fLeanFwdCOM = atof(word); break;
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case 3: bikeHandling->fLeanFwdForce = atof(word); break;
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case 4: bikeHandling->fLeanBakCOM = atof(word); break;
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case 5: bikeHandling->fLeanBackForce = atof(word); break;
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case 6: bikeHandling->fMaxLean = atof(word); break;
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case 7: bikeHandling->fFullAnimLean = atof(word); break;
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case 8: bikeHandling->fDesLean = atof(word); break;
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case 9: bikeHandling->fSpeedSteer = atof(word); break;
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case 10: bikeHandling->fSlipSteer = atof(word); break;
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case 11: bikeHandling->fNoPlayerCOMz = atof(word); break;
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case 12: bikeHandling->fWheelieAng = atof(word); break;
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case 13: bikeHandling->fStoppieAng = atof(word); break;
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case 14: bikeHandling->fWheelieSteer = atof(word); break;
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case 15: bikeHandling->fWheelieStabMult = atof(word); break;
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case 16: bikeHandling->fStoppieStabMult = atof(word); break;
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}
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field++;
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}
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ConvertBikeDataToGameUnits(bikeHandling);
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}else if(line[0] == '$'){
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// Flying data
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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: break;
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case 1:
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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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flyingHandling = GetFlyingPointer(handlingId);
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flyingHandling->nIdentifier = (eHandlingId)handlingId;
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break;
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case 2: flyingHandling->fThrust = atof(word); break;
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case 3: flyingHandling->fThrustFallOff = atof(word); break;
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case 4: flyingHandling->fYaw = atof(word); break;
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case 5: flyingHandling->fYawStab = atof(word); break;
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case 6: flyingHandling->fSideSlip = atof(word); break;
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case 7: flyingHandling->fRoll = atof(word); break;
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case 8: flyingHandling->fRollStab = atof(word); break;
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case 9: flyingHandling->fPitch = atof(word); break;
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case 10: flyingHandling->fPitchStab = atof(word); break;
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case 11: flyingHandling->fFormLift = atof(word); break;
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case 12: flyingHandling->fAttackLift = atof(word); break;
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case 13: flyingHandling->fMoveRes = atof(word); break;
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case 14: flyingHandling->vecTurnRes.x = atof(word); break;
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case 15: flyingHandling->vecTurnRes.y = atof(word); break;
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case 16: flyingHandling->vecTurnRes.z = atof(word); break;
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case 17: flyingHandling->vecSpeedRes.x = atof(word); break;
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case 18: flyingHandling->vecSpeedRes.y = atof(word); break;
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case 19: flyingHandling->vecSpeedRes.z = atof(word); break;
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}
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field++;
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}
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}else if(line[0] == '%'){
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// Boat data
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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: break;
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case 1:
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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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boatHandling = GetBoatPointer(handlingId);
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boatHandling->nIdentifier = (eHandlingId)handlingId;
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break;
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case 2: boatHandling->fThrustY = atof(word); break;
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case 3: boatHandling->fThrustZ = atof(word); break;
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case 4: boatHandling->fThrustAppZ = atof(word); break;
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case 5: boatHandling->fAqPlaneForce = atof(word); break;
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case 6: boatHandling->fAqPlaneLimit = atof(word); break;
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case 7: boatHandling->fAqPlaneOffset = atof(word); break;
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case 8: boatHandling->fWaveAudioMult = atof(word); break;
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case 9: boatHandling->vecMoveRes.x = atof(word); break;
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case 10: boatHandling->vecMoveRes.y = atof(word); break;
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case 11: boatHandling->vecMoveRes.z = atof(word); break;
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case 12: boatHandling->vecTurnRes.x = atof(word); break;
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case 13: boatHandling->vecTurnRes.y = atof(word); break;
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case 14: boatHandling->vecTurnRes.z = atof(word); break;
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case 15: boatHandling->fLook_L_R_BehindCamHeight = atof(word); break;
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}
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field++;
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}
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}else{
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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 = (eHandlingId)handlingId;
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break;
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case 1: handling->fMass = atof(word); break;
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case 2: handling->Dimension.x = atof(word); break;
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case 3: handling->Dimension.y = atof(word); break;
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case 4: handling->Dimension.z = atof(word); break;
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case 5: handling->CentreOfMass.x = atof(word); break;
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case 6: handling->CentreOfMass.y = atof(word); break;
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case 7: handling->CentreOfMass.z = atof(word); break;
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case 8: handling->nPercentSubmerged = atoi(word); break;
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case 9: handling->fTractionMultiplier = atof(word); break;
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case 10: handling->fTractionLoss = atof(word); break;
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case 11: handling->fTractionBias = atof(word); break;
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case 12: handling->Transmission.nNumberOfGears = atoi(word); break;
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case 13: handling->Transmission.fMaxVelocity = atof(word); break;
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case 14: handling->Transmission.fEngineAcceleration = atof(word) * 0.4f; break;
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case 15: handling->Transmission.nDriveType = word[0]; break;
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case 16: handling->Transmission.nEngineType = word[0]; break;
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case 17: handling->fBrakeDeceleration = atof(word); break;
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case 18: handling->fBrakeBias = atof(word); break;
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case 19: handling->bABS = !!atoi(word); break;
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case 20: handling->fSteeringLock = atof(word); break;
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case 21: handling->fSuspensionForceLevel = atof(word); break;
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case 22: handling->fSuspensionDampingLevel = atof(word); break;
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case 23: handling->fSeatOffsetDistance = atof(word); break;
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case 24: handling->fCollisionDamageMultiplier = atof(word); break;
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case 25: handling->nMonetaryValue = atoi(word); break;
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case 26: handling->fSuspensionUpperLimit = atof(word); break;
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case 27: handling->fSuspensionLowerLimit = atof(word); break;
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case 28: handling->fSuspensionBias = atof(word); break;
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case 29: handling->fSuspensionAntidiveMultiplier = atof(word); break;
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case 30:
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sscanf(word, "%x", &handling->Flags);
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handling->Transmission.Flags = handling->Flags;
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break;
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case 31: handling->FrontLights = atoi(word); break;
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case 32: 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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}
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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->Transmission.fEngineAcceleration /= 2500.0f;
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handling->Transmission.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->fCollisionDamageMultiplier *= 2000.0f/handling->fMass;
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handling->fBuoyancy = 100.0f/handling->nPercentSubmerged * 0.008f*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->Transmission.fMaxVelocity;
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while(a < b && velocity > 0.0f){
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velocity -= 0.01f;
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a = handling->Transmission.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->Transmission.fUnkMaxVelocity = handling->Transmission.fMaxVelocity;
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handling->Transmission.fMaxReverseVelocity = -handling->Transmission.fMaxVelocity;
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}else if(handling->nIdentifier >= HANDLING_BIKE && handling->nIdentifier <= HANDLING_FREEWAY){
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handling->Transmission.fUnkMaxVelocity = velocity;
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handling->Transmission.fMaxVelocity = velocity * 1.2f;
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handling->Transmission.fMaxReverseVelocity = -0.05f;
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}else{
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handling->Transmission.fUnkMaxVelocity = velocity;
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handling->Transmission.fMaxVelocity = velocity * 1.2f;
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handling->Transmission.fMaxReverseVelocity = -0.2f;
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}
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if(handling->Transmission.nDriveType == '4')
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handling->Transmission.fEngineAcceleration /= 4.0f;
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else
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handling->Transmission.fEngineAcceleration /= 2.0f;
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handling->Transmission.InitGearRatios();
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}
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void
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cHandlingDataMgr::ConvertBikeDataToGameUnits(tBikeHandlingData *handling)
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{
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handling->fMaxLean = Sin(DEGTORAD(handling->fMaxLean));
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handling->fFullAnimLean = DEGTORAD(handling->fFullAnimLean);
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handling->fWheelieAng = Sin(DEGTORAD(handling->fWheelieAng));
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handling->fStoppieAng = Sin(DEGTORAD(handling->fStoppieAng));
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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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tFlyingHandlingData*
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cHandlingDataMgr::GetFlyingPointer(uint8 id)
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{
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if(id >= HANDLING_SEAPLANE && id <= HANDLING_RCCOPTER)
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return &FlyingHandlingData[id-HANDLING_SEAPLANE];
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return &FlyingHandlingData[0];
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}
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tBoatHandlingData*
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cHandlingDataMgr::GetBoatPointer(uint8 id)
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{
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if(id >= HANDLING_PREDATOR && id <= HANDLING_SEAPLANE)
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return &BoatHandlingData[id-HANDLING_PREDATOR];
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return &BoatHandlingData[0];
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}
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