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Continue replays

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This commit is contained in:
Miloslav Ciz 2025-01-12 00:17:43 +01:00
parent a0ab837aec
commit 0487a87ae5
1 changed files with 100 additions and 1 deletions
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101
racing.h
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@ -107,7 +107,11 @@ struct
{
uint16_t eventCount;
uint16_t events[LCR_SETTING_REPLAY_MAX_SIZE];
} LCR_currentReplay;
// for playing
uint16_t currentEvent;
uint16_t currentFrame;
} LCR_replay;
/**
Gets times of the run in milliseconds.
@ -123,6 +127,97 @@ TPE_Vec3 _LCR_TPE_vec3DividePlain(TPE_Vec3 v, TPE_Unit d)
return v;
}
/**
Initializes replay for recording.
*/
void LCR_replayInitRecording(void)
{
LCR_LOG1("initializing replay recording");
LCR_replay.eventCount = 0;
}
void LCR_replayInitPlaying(void)
{
LCR_LOG1("initializing replay playing");
LCR_replay.currentEvent = 0;
LCR_replay.currentFrame = 0;
}
/**
During playing of a replay returns the next input and shifts to next frame.
*/
uint8_t LCR_replayGetNextInput(void)
{
if (LCR_replay.currentEvent >= LCR_replay.eventCount)
return 0;
if (LCR_replay.currentFrame ==
(LCR_replay.events[LCR_replay.currentEvent] >> 4))
{
LCR_replay.currentEvent++;
LCR_replay.currentFrame = 0;
}
LCR_replay.currentFrame++;
return LCR_replay.currentEvent ?
(LCR_replay.events[LCR_replay.currentEvent - 1] & 0xff) : 0;
}
int LCR_replayHasFinished(void)
{
return LCR_replay.currentEvent >= LCR_replay.eventCount;
}
/**
Records another input event. Returns 1 on success, or 0 if the event couldn't
be recorded. The event is only added if necessary, i.e. this function can
safely be called every frame without worrying about inflating its size.
*/
int LCR_replayRecordEvent(uint32_t frame, uint8_t input)
{
LCR_LOG2("recording replay event");
#if LCR_SETTING_REPLAY_MAX_SIZE > 0
uint8_t previousInput = 0;
uint32_t previousFrame = 0;
if (LCR_replay.eventCount)
{
previousInput = LCR_replay.events[LCR_replay.eventCount - 1] & 0x0f;
previousFrame = LCR_replay.events[LCR_replay.eventCount - 1] >> 4;
}
if (input == previousInput)
return 1;
if (frame < previousFrame)
return 0;
frame -= previousFrame; // convert to offset
while (frame > 4095 && LCR_replay.eventCount < LCR_SETTING_REPLAY_MAX_SIZE)
{
// add intermediate events
frame -= 4095;
previousFrame += 4095;
LCR_replay.events[LCR_replay.eventCount] =
(previousFrame << 4) | previousInput;
LCR_replay.eventCount++;
}
if (LCR_replay.eventCount >= LCR_SETTING_REPLAY_MAX_SIZE)
return 0;
LCR_replay.events[LCR_replay.eventCount] = (frame << 4) | input;
LCR_replay.eventCount++;
#endif
return 1;
}
/**
Helper function for _LCR_racingEnvironmentFunction, returns closest point
on a map block placed at coordinate origin.
@ -671,6 +766,8 @@ void LCR_racingRestart(void)
LCR_racing.carPositions[1] = LCR_racing.carPositions[0];
LCR_racing.carRotations[1] = LCR_racing.carRotations[0];
LCR_replayInitRecording();
}
/**
@ -838,6 +935,8 @@ uint32_t LCR_racingStep(unsigned int input)
uint8_t onAccel = 0; // standing on accelerator?
int groundBlockIndex = -1;
LCR_replayRecordEvent(LCR_racing.tick,input);
carForw = TPE_vec3Normalized(TPE_vec3Plus(
TPE_vec3Minus(LCR_racing.carBody.joints[0].position,
LCR_racing.carBody.joints[2].position),