Re-Volt: /Users/frarees/Desktop/rv1/source/inc/car.h Source File

00001 
00002 #ifndef CAR_H
00003 #define CAR_H
00004 
00005 #include "newcoll.h"
00006 #include "particle.h"
00007 #include "body.h"
00008 #include "model.h"
00009 #include "aerial.h"
00010 #include "Wheel.h"
00011 
00012 #ifdef _PC
00013 #ifndef _CARCONV
00014 #include "sfx.h"
00015 #include "play.h"
00016 #endif
00017 
00018 #endif
00019 
00020 // macros
00021 
00022 #define MAX_CAR_FILENAME  64
00023 
00024 #define MAX_CARS 15
00025 #define MAX_CAR_LOD 5
00026 #define CAR_LOD_BIAS 384
00027 #define CAR_RADIUS 70
00028 #define CAR_SQUARE_RADIUS (CAR_RADIUS * CAR_RADIUS)
00029 
00030 #define CAR_MODEL_SPRING  1
00031 #define CAR_MODEL_AXLE    2
00032 #define CAR_MODEL_PIN   4
00033 
00034 #define CAR_MODEL_SPINNER 1
00035 #define CAR_MODEL_AERIAL  2
00036 
00037 #define CAR_MODEL_NONE  -1
00038 
00039 #define CAR_NWHEELS   4
00040 #define CAR_NRESPONSE 100
00041 #define CAR_NAMELEN   64
00042 
00043 #define CAR_REMOTE_QUAT_SCALE 100.0f
00044 #define CAR_REMOTE_VEL_SCALE 3.0f
00045 #define CAR_REMOTE_ANGVEL_SCALE 1000.0f
00046 
00047 #define CLOSE_WHEEL_COLL_ANGLE  0.5f
00048 
00049 
00050 // Car Status Flags
00051 
00052 #define CAR_ACTIVE  1
00053 
00054 #define FL  0
00055 #define FR  1
00056 #define BL  2
00057 #define BR  3
00058 
00059 typedef long CAR_TYPE;
00060 
00061 // car model types
00062 // - no longer have to put the models in the correct places...
00063 
00064 enum {
00065   CAR_MODEL_BODY,
00066   CAR_MODEL_WHEEL1,
00067   CAR_MODEL_WHEEL2,
00068   CAR_MODEL_WHEEL3,
00069   CAR_MODEL_WHEEL4,
00070   CAR_MODEL_SPRING1,
00071   CAR_MODEL_SPRING2,
00072   CAR_MODEL_SPRING3,
00073   CAR_MODEL_SPRING4,
00074   CAR_MODEL_AXLE1,
00075   CAR_MODEL_AXLE2,
00076   CAR_MODEL_AXLE3,
00077   CAR_MODEL_AXLE4,
00078   CAR_MODEL_PIN1,
00079   CAR_MODEL_PIN2,
00080   CAR_MODEL_PIN3,
00081   CAR_MODEL_PIN4,
00082   CAR_MODEL_AERIAL_SEC1,
00083   CAR_MODEL_AERIAL_TOP1,
00084   MAX_CAR_MODEL_TYPES
00085 };
00086 
00087 
00088 #ifndef _PSX 
00089 
00090 typedef struct
00091 {
00092   char WheelPartsFlag[4];
00093   char BodyPartsFlag;
00094 
00095   VEC OffBody;
00096 
00097   VEC OffWheel[4];
00098   VEC OffSpring[4];
00099   VEC OffAxle[4];
00100   VEC OffPin[4];
00101   VEC OffWheelColl[4];
00102   VEC OffSpinner;
00103   VEC OffAerial;
00104   VEC DirAerial;
00105 
00106   REAL WheelRad[4];
00107   REAL SpringLen[4];
00108   REAL AxleLen[4];
00109   REAL PinLen[4];
00110   REAL AerialLen;
00111 
00112   MODEL Model[MAX_CAR_MODEL_TYPES][MAX_CAR_LOD];
00113 
00114   MODEL *Body;
00115   MODEL *Wheel[4];
00116   MODEL *Spring[4];
00117   MODEL *Axle[4];
00118   MODEL *Pin[4];
00119   MODEL *Spinner;
00120   MODEL *Aerial[2];
00121 
00122   long EnvRGB;
00123 
00124   COLLSKIN_INFO     CollSkin;     // coll skin
00125 } CAR_MODEL;
00126 
00127 
00128 #endif
00129 
00130 
00131 
00132 //
00133 // CAR_INFO
00134 //
00135 // Car initialisation structure
00136 //
00137 typedef struct {
00138   long  ModelNum;
00139   VEC Offset;
00140   REAL  Mass;
00141   MAT Inertia;
00142   REAL  Gravity;
00143   REAL  Hardness;
00144   REAL  Resistance;
00145   REAL  AngResistance;
00146   REAL  ResModifier;
00147   REAL  Grip;
00148   REAL  StaticFriction;
00149   REAL  KineticFriction;
00150 } BODY_INFO;
00151 
00152 typedef struct {
00153   long  ModelNum;
00154   VEC Offset;
00155   REAL  Length;
00156 } AXLE_INFO;
00157 
00158 typedef struct {
00159   long  ModelNum;
00160   VEC Offset;
00161   REAL  Length;
00162 } PIN_INFO;
00163 
00164 typedef struct {
00165   long  SecModelNum;
00166   long  TopModelNum;
00167   VEC Offset;
00168   VEC Direction;
00169   REAL  SecLen;
00170   REAL  Stiffness;
00171   REAL  Damping;
00172 } AERIAL_INFO;
00173 
00174 typedef struct SpinnerInfoStruct {
00175   long  ModelNum;
00176   VEC Offset;
00177   VEC Axis;
00178   REAL  AngVel;
00179 } SPINNER_INFO;
00180 
00181 
00182 typedef struct
00183 {
00184 #ifdef _N64
00185   FIL_ID  TextureFile[MAX_CAR_MODEL_TYPES];
00186   FIL_ID  ModelFile[MAX_CAR_MODEL_TYPES];
00187   FIL_ID  CollFile;
00188 #else
00189   char ModelFile[MAX_CAR_MODEL_TYPES][MAX_CAR_FILENAME];
00190   char TPageFile[MAX_CAR_FILENAME];
00191   char CollFile[MAX_CAR_FILENAME];
00192 #endif
00193 
00194   long  EnvRGB;
00195   char  Name[CAR_NAMELEN];
00196 
00197   REAL  SteerRate;
00198   REAL  SteerModifier;
00199   REAL  EngineRate;
00200   REAL  TopSpeed;
00201   REAL  MaxRevs;
00202   REAL  DownForceMod;
00203   VEC   CoMOffset;
00204   bool  AllowedBestTime;
00205   bool  Selectable;
00206   VEC   WeaponOffset;
00207 
00208   BODY_INFO Body;
00209   WHEEL_INFO  Wheel[CAR_NWHEELS];
00210   SPRING_INFO Spring[CAR_NWHEELS];
00211   AXLE_INFO Axle[CAR_NWHEELS];
00212   PIN_INFO  Pin[CAR_NWHEELS];
00213   SPINNER_INFO Spinner;
00214   AERIAL_INFO Aerial;
00215 
00216 } CAR_INFO;
00217 
00218 
00219 
00220 typedef struct
00221 {
00222   REAL SpringLen;
00223   REAL AxleLen;
00224   REAL PinLen;
00225 
00226   VEC SpringOffset;
00227   VEC AxleOffset;
00228   VEC FixOffset;
00229 
00230   VEC SpringWorldPos;
00231   VEC AxleWorldPos;
00232   VEC PinWorldPos;
00233 
00234   MAT SpringCarMatrix;
00235   MAT AxleCarMatrix;
00236   MAT PinCarMatrix;
00237 } SUSPENSION;
00238 
00239 
00240 typedef struct SpinnerStruct {
00241   MAT CarMatrix;
00242   MAT Matrix;
00243   VEC WorldPos;
00244   VEC Axis;
00245   REAL  AngVel;
00246 } SPINNER;
00247 
00248 
00250 //
00251 // Remote car interp data
00252 //
00253 
00254 #define REMOTE_POS    1l
00255 #define REMOTE_VEL    2l
00256 #define REMOTE_ANGVEL 4l
00257 #define REMOTE_QUAT   8l
00258 #define REMOTE_WHLANG 16l
00259 #define REMOTE_WHLPOS 32l
00260 #define REMOTE_TIME   64l
00261 #define REMOTE_CONTROL  128l
00262 
00263 typedef struct RemoteDataStruct {
00264 
00265   long    PacketInfo;   // Bits set for items present
00266 
00267   bool    NewData;
00268 
00269   VEC   Pos;      // Probably should be passed as full vector
00270   VEC   Vel;      // Could be passed as three signed shorts
00271   VEC   AngVel;     // Also three signed shorts
00272   QUATERNION  Quat;     // Four signed chars should do it
00273 
00274   char    dx, dy;     // control inputs
00275 
00276 } REMOTE_DATA;
00277 
00278 #define RemoteTimePresent(info) ((info)->PacketInfo & REMOTE_TIME)
00279 #define RemotePosPresent(info) ((info)->PacketInfo & REMOTE_POS)
00280 #define RemoteVelPresent(info) ((info)->PacketInfo & REMOTE_VEL)
00281 #define RemoteAngVelPresent(info) ((info)->PacketInfo & REMOTE_ANGVEL)
00282 #define RemoteQuatPresent(info) ((info)->PacketInfo & REMOTE_QUAT)
00283 #define RemoteWhlAngPresent(info) ((info)->PacketInfo & REMOTE_WHLANG)
00284 #define RemoteWhlPosPresent(info) ((info)->PacketInfo & REMOTE_WHLPOS)
00285 
00286 // grid position structure
00287 
00288 typedef struct {
00289   REAL xoff, zoff, rotoff;
00290 } GRID_POS;
00291 
00292 //
00293 // CAR
00294 //
00295 // Main car data structure
00296 //
00297 
00298 typedef struct CarStruct {
00299 
00300   SUSPENSION    Sus[4];
00301 
00302   // NewCar stuff ported across
00303   // Almost everything above here should be removed...eventually
00304 
00305   long      CarID;
00306 
00307   VEC       BodyWorldPos;   // world pos of car body for rendering
00308   MAT       EnvMatrix;      // env matrix 
00309 
00310   CAR_MODEL   *Models;
00311 
00312   REAL      SteerAngle;     // Angle of steering wheel (clamped to fixed precision)
00313   REAL      SteerRate;
00314   REAL      SteerModifier;
00315   REAL      EngineVolt;     // Power on the engine (clamped to fixed precision)
00316   REAL      EngineRate;
00317   REAL      TopSpeed;     // Top speed of car
00318   REAL      DefaultTopSpeed;
00319   REAL      DownForceMod;   // Down force modifier
00320 
00321   NEWBODY     *Body;
00322   AERIAL      Aerial;
00323   WHEEL     Wheel[CAR_NWHEELS];
00324   SPRING      Spring[CAR_NWHEELS];
00325   SPINNER     Spinner;
00326 
00327   BBOX      BBox;           // Bounding box including wheels etc
00328 
00329   VEC       BodyOffset;         // Body model offset relative to CoM
00330   VEC       WheelOffset[CAR_NWHEELS]; // Wheel fix point relative to car CoM
00331   VEC       WheelCentre[CAR_NWHEELS]; // Wheel centre relative to wheel fix point
00332   VEC       SuspOffset[CAR_NWHEELS];  // Suspension fix point
00333   VEC       AxleOffset[CAR_NWHEELS];  // Axle fix point
00334   VEC       SpinnerOffset;
00335   VEC       AerialOffset;       // Aerial fixed point relative to car CoM
00336   VEC       WeaponOffset;       // Offset where weapon fired from
00337 
00338   long      Rendered;         // car was rendered this frame
00339 
00340   long      NextSplit;          // next split ID
00341   long      Laps;           // laps completed
00342   long      CurrentLapTime;       // current lap time
00343   long      LastLapTime;        // last lap time
00344   long      BestLapTime;        // best lap time
00345   long      LastRaceTime;       // last race time
00346   long      BestRaceTime;       // best race time
00347   long      SplitTime[MAX_SPLIT_TIMES]; // split times
00348 
00349   REAL      Current0to15;
00350   REAL      Best0to15;          // best 0-20mph time
00351   REAL      Current0to25;
00352   REAL      Best0to25;          // best 0-20mph time
00353 
00354   unsigned long CurrentLapStartTime;    // start time for current lap
00355 
00356   REAL      Revs;           // Engine Revs
00357   REAL      MaxRevs;          // For the tachometer
00358 
00359   REAL      PowerTimer;         // Seconds until power restored (electropulsed!)
00360   long      AddLit;           // Light to add when rendered
00361   REAL      DrawScale;          // global draw scale
00362   long      IsBomb;           // TRUE if car is a bomb
00363   long      WillDetonate;       // TRUE if car is a bomb and just about to detonate
00364   REAL      NoReturnTimer;        // timer to stop instant return of bomb
00365 
00366   // Selp-righting stuff
00367   VEC       DestPos;
00368   QUATERNION    DestQuat;
00369 
00370   VEC       FieldVec;
00371 
00372   // Collision information stuff
00373   COLLINFO_WHEEL  *WheelCollHead;
00374   int       NWheelColls;        // Number of wheel collisions on this car
00375 
00376   int       NWheelsInContact;     // Number of wheels in contact with something
00377   int       NWheelFloorContacts;    // Number of contacts with the floor (< 60 degrees to horizontal)
00378 
00379 #ifdef _PC
00380 #ifndef _CARCONV
00381   SAMPLE_3D   *SfxEngine;         // engine sfx
00382   SAMPLE_3D   *SfxScrape;         // scrape sfx
00383   SAMPLE_3D   *SfxScreech;        // screech sfx
00384   long      ScrapeMaterial;       // scrape material num
00385 
00386   REMOTE_DATA   RemoteData[3];        // Most recent remote data recieved from the network
00387   int       OldDat, Dat, NewDat;
00388 #endif
00389 #endif
00390 
00391 
00392 #ifdef _PSX
00393   MATRIX      Matrix;
00394   SVECTOR     Pos, LastPos;
00395   VEC       AerialPos[5];
00396   short     Type;
00397   short     sPad;
00398 #endif 
00399 
00400   bool      AllowedBestTime;
00401   bool      Selectable;
00402   bool      Righting;
00403   bool      RightingCollide;
00404   bool      RightingReachDest;
00405   bool      Timing0to15;
00406   bool      Timing0to25;
00407   bool      bPad;
00408 
00409 
00410 } CAR;
00411 
00412 #define SetCarHasSpring(car, i) ((car)->Models->WheelPartsFlag[i] |= CAR_MODEL_SPRING)
00413 #define SetCarHasAxle(car, i) ((car)->Models->WheelPartsFlag[i] |= CAR_MODEL_AXLE)
00414 #define SetCarHasPin(car, i) ((car)->Models->WheelPartsFlag[i] |= CAR_MODEL_PIN)
00415 #define CarHasSpring(car, i) ((car)->Models->WheelPartsFlag[i] & CAR_MODEL_SPRING)
00416 #define CarHasAxle(car, i) ((car)->Models->WheelPartsFlag[i] & CAR_MODEL_AXLE)
00417 #define CarHasPin(car, i) ((car)->Models->WheelPartsFlag[i] & CAR_MODEL_PIN)
00418 
00419 #define SetCarHasSpinner(car) ((car)->Models->BodyPartsFlag[i] != CAR_MODEL_SPINNER)
00420 #define CarHasSpinner(car) ((car)->Models->BodyPartsFlag & CAR_MODEL_SPINNER)
00421 #define SetCarHasAerial(car) ((car)->Models->BodyPartsFlag[i] != CAR_MODEL_AERIAL)
00422 #define CarHasAerial(car) ((car)->Models->BodyPartsFlag & CAR_MODEL_AERIAL)
00423 
00424 
00425 //
00426 // External function prototypes
00427 //
00428 struct PlayerStruct;
00429 
00430 extern CAR_INFO *CreateCarInfo(long nInfo);
00431 extern void DestroyCarInfo();
00432 extern CAR_MODEL *CreateCarModels(long nModels);
00433 extern void DestroyCarModels(CAR_MODEL *models);
00434 
00435 
00436 extern void InitCar(CAR *car);
00437 extern void SetupCar(struct PlayerStruct *player, int carType);
00438 extern void FreeCar(struct PlayerStruct *player);
00439 extern void GetCarGrid(long position, VEC *pos, MAT *mat);
00440 extern void SetCarPos(CAR *car, VEC *pos, MAT *mat);
00441 //extern void BuildTurnMatrices(CAR *car);
00442 //extern void BuildCarFromWheels(CAR *car);
00443 //extern void FixWheel(WHEEL *w1, WHEEL *w2, REAL diag);
00444 //extern void CarBuildCollision(CAR *car);
00445 //extern void CarBuildWheelCollision(CAR *car, WHEEL *w);
00446 //extern short CarWheelCollision(WHEEL *w);
00447 //extern void CarMove(CAR *car);
00448 //extern void CarWheelMove(WHEEL *w);
00449 //extern void Car2Car(CAR *MyCar);
00450 extern void SetCarAerialPos(CAR *car);
00451 extern void UpdateCarAerial2(CAR *car, REAL dt);
00452 extern void ResetCarWheelPos(CAR *car, int iWheel);
00453 extern void UpdateCarWheel(CAR *car, int iWheel, REAL dt);
00454 
00455 extern void DetectCarWorldColls(CAR *car);
00456 extern int DetectCarBodyColls(CAR *car, NEWBODY *body);
00457 extern int DetectCarCarColls(CAR *car1, CAR *car2);
00458 extern void DetectCarWheelColls(CAR *car, int iWheel, COLLSKIN *worldSkin);
00459 extern void DetectCarWheelColls2(CAR *car, int iWheel, NEWCOLLPOLY *worldPoly);
00460 //extern void DetectCarWheelColls2(CAR *car, int iWheel, COLL_POLY *worldPoly);
00461 extern void PreProcessCarWheelColls(CAR *car);
00462 extern void ProcessCarWheelColls(CAR *car);
00463 extern void PostProcessCarWheelColls(CAR *car);
00464 extern void SetAllCarCoMs(void);
00465 extern void MoveCarCoM(CAR_INFO *carInfo, VEC *dR);
00466 extern void CarWheelImpulse(CAR *car, COLLINFO_WHEEL *collInfo, VEC *impulse);
00467 extern void CarWheelImpulse2(CAR *car, COLLINFO_WHEEL *collInfo, VEC *impulse);
00468 extern void SetCarAngResistance(CAR *car);
00469 extern void CAR_AllCarColls();
00470 extern REMOTE_DATA *NextRemoteData(CAR *car);
00471 extern REMOTE_DATA *NextRemoteData(CAR *car);
00472 extern void SendLocalCarData(void);
00473 extern void UpdateRemotePlayer(struct PlayerStruct *player);
00474 extern void LoadOneCarModelSet(struct PlayerStruct *player, long car);
00475 extern void FreeOneCarModelSet(struct PlayerStruct *player);
00476 extern int NextValidCarID(int currentID);
00477 extern int PrevValidCarID(int currentID);
00478 extern void CheckCarSituation(CAR *car);
00479 extern void CarAccTimings(CAR *car);
00480 extern void CarDownForce(CAR *car);
00481 extern void RemoveWheelColl(CAR *car, COLLINFO_WHEEL *collInfo);
00482 extern COLLINFO_WHEEL *AddWheelColl(CAR *car, COLLINFO_WHEEL *newHead);
00483 
00484 
00485 
00486 
00487 
00488 //
00489 // External global variables
00490 //
00491 
00492 extern CAR_INFO   *CarInfo;
00493 extern long     NCarTypes;
00494 
00495 extern bool CAR_DrawCarBBoxes;
00496 extern bool CAR_DrawCarAxes;
00497 extern bool CAR_WheelsHaveSuspension;
00498 
00499 extern GRID_POS CarGridStarts[][MAX_NUM_PLAYERS];
00500 
00501 #endif