drummyfish/Licar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Start crash sound

Browse source
This commit is contained in:
Miloslav Ciz 2024-12-25 22:28:46 +01:00
parent 367112dbd9
commit b90f5bbfc8
4 changed files with 103 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

63
racing.h
View file

@ -45,6 +45,8 @@ typedef int32_t LCR_GameUnit; ///< abstract game unit
#define LCR_CAR_DRIFT_THRESHOLD_1 (LCR_GAME_UNIT / 4)
#define LCR_CAR_DRIFT_THRESHOLD_0 (LCR_GAME_UNIT / 200)
#define LCR_CAR_CRASH_SPEED_THRESHOLD 25
// multipliers (in 8ths) of friction and acceleration on concrete:
#define LCR_CAR_GRASS_FACTOR 5
#define LCR_CAR_DIRT_FACTOR 3
@ -62,27 +64,35 @@ struct
TPE_Connection carConnections[LCR_CAR_CONNECTIONS];
uint32_t tick;
uint8_t wheelCollisions; /**< In individual bits records for each car wheel
whether it's currently touching the ground.
Lower bits record current collisions, higher
bits the previous state (for averaging). */
uint8_t wheelCollisions; /**< In individual bits records for each car wheel
whether it's currently touching the ground.
Lower bits record current collisions, higher
bits the previous state (for averaging). */
TPE_Vec3 carPositions[2]; ///< Current and previous position in game units.
TPE_Vec3 carRotations[2]; ///< Current and previous rotation in game units.
uint8_t carDrifting; ///< Whether or not the car is currently in drift.
TPE_Vec3 carPositions[2]; ///< Current and previous position in game units.
TPE_Vec3 carRotations[2]; ///< Current and previous rotation in game units.
uint8_t carDrifting; ///< Whether or not the car is currently in drift.
TPE_Unit fanForce; ///< Upwards acceleration caused by a fan.
LCR_GameUnit wheelAngle; ///< Current wheel angle, 0 to LCR_GAME_UNIT.
LCR_GameUnit wheelSteer; ///< Left/right steer with LCR_CAR_STEER_MAX bounds.
TPE_Unit fanForce; ///< Upwards acceleration caused by a fan.
LCR_GameUnit wheelAngle; ///< Current wheel angle, 0 to LCR_GAME_UNIT.
LCR_GameUnit wheelSteer; ///< Left/right steer, LCR_CAR_STEER_MAX bounds.
LCR_GameUnit carSpeed; /**< Signed speed in game units per tick (negative
if backwards) */
LCR_GameUnit carSpeeds[2]; /**< Signed speed in game units per tick (negative
if backwards) and its previous value. */
// for fixing physics bugs:
TPE_Vec3 carOKPositions[LCR_CAR_JOINTS];
uint8_t carNotOKCount;
} LCR_racing;
/**
Gets times of the run in milliseconds.
*/
uint32_t LCR_racingGetRunTimeMS()
{
return LCR_racing.tick * LCR_RACING_TICK_MS;
}
TPE_Vec3 _LCR_TPE_vec3DividePlain(TPE_Vec3 v, TPE_Unit d)
{
v.x /= d; v.y /= d; v.z /= d;
@ -483,13 +493,13 @@ TPE_Vec3 _LCR_racingEnvironmentFunction(TPE_Vec3 point, TPE_Unit maxDist)
LCR_GameUnit LCR_racingGetCarSpeedUnsigned(void)
{
return LCR_racing.carSpeed >= 0 ? LCR_racing.carSpeed :
(-1 * LCR_racing.carSpeed);
return LCR_racing.carSpeeds[0] >= 0 ? LCR_racing.carSpeeds[0] :
(-1 * LCR_racing.carSpeeds[0]);
}
LCR_GameUnit LCR_racingGetCarSpeedSigned(void)
{
return LCR_racing.carSpeed;
return LCR_racing.carSpeeds[0];
}
uint8_t _LCR_racingCollisionHandler(uint16_t b1, uint16_t j1, uint16_t b2,
@ -569,7 +579,8 @@ void LCR_racingRestart(void)
LCR_racing.wheelAngle = 0;
LCR_racing.wheelSteer = 0;
LCR_racing.carSpeed = 0;
LCR_racing.carSpeeds[0] = 0;
LCR_racing.carSpeeds[1] = 0;
LCR_racing.carDrifting = 0;
// make the car body:
@ -874,8 +885,8 @@ uint32_t LCR_racingStep(unsigned int input)
if(!(input & (LCR_RACING_INPUT_FORW | LCR_RACING_INPUT_BACK)))
LCR_racing.carBody.friction *= LCR_CAR_STAND_FRICTION_MULTIPLIER;
else if (
((input & LCR_RACING_INPUT_FORW) && (LCR_racing.carSpeed < 0)) ||
((input & LCR_RACING_INPUT_BACK) && (LCR_racing.carSpeed > 0)))
((input & LCR_RACING_INPUT_FORW) && (LCR_racing.carSpeeds[0] < 0)) ||
((input & LCR_RACING_INPUT_BACK) && (LCR_racing.carSpeeds[0] > 0)))
LCR_racing.carBody.friction *= 2 * LCR_CAR_STAND_FRICTION_MULTIPLIER;
if (input)
@ -1066,11 +1077,23 @@ uint32_t LCR_racingStep(unsigned int input)
TPE_worldStep(&(LCR_racing.physicsWorld));
LCR_LOG2("stepping physics engine done");
LCR_racing.carSpeed = (TPE_vec3Len(carVel) * LCR_GAME_UNIT)
int speedDiff = LCR_racing.carSpeeds[0] - LCR_racing.carSpeeds[1];
LCR_racing.carSpeeds[1] = LCR_racing.carSpeeds[0];
LCR_racing.carSpeeds[0] = (TPE_vec3Len(carVel) * LCR_GAME_UNIT)
/ LCR_PHYSICS_UNIT;
if (TPE_vec3Dot(carVel,carForw) < 0)
LCR_racing.carSpeed *= -1;
LCR_racing.carSpeeds[0] *= -1;
else if (speedDiff < -1 * LCR_CAR_CRASH_SPEED_THRESHOLD)
{
result |= (speedDiff < -2 * LCR_CAR_CRASH_SPEED_THRESHOLD) ?
LCR_RACING_EVENT_CRASH_BIG : LCR_RACING_EVENT_CRASH_SMALL;
LCR_racing.carSpeeds[1] = 0; // prevent several crash events in a row
}
_LCR_racingUpdateCarPosRot();