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Correst ghost position

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This commit is contained in:
Miloslav Ciz 2025-04-29 15:11:02 +02:00
parent 4eb589d981
commit 5141a31770
2 changed files with 14 additions and 41 deletions
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15
game.h
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@ -361,6 +361,7 @@ struct
uint8_t stretch; /**< Stretch of the base sample step, as a bit shift
(i.e. 1 means the step will be 2x as long etc.). This
is to allow ghosts for even long replays. */
int16_t offset[3]; ///< Small correcting position offset.
} ghost;
#endif
@ -538,7 +539,7 @@ void LCR_gameGhostGetTransform(uint32_t frame,
for (int i = 0; i < 3; ++i)
{
position[i] = position[i] + ((carTransform[i] - position[i]) * n) /
LCR_SETTING_GHOST_STEP;
LCR_SETTING_GHOST_STEP + LCR_game.ghost.offset[i];
// rotations are a bit harder to interpolate (e.g. 1 -> 359 deg.)
carTransform[3 + i] -= rotation[i];
@ -554,11 +555,6 @@ void LCR_gameGhostGetTransform(uint32_t frame,
/ LCR_SETTING_GHOST_STEP)) % LCR_GAME_UNIT;
}
}
// offset (correct rounding down):
position[0] += LCR_GAME_UNIT / 16;
position[1] += LCR_GAME_UNIT / 16;
position[2] += LCR_GAME_UNIT / 16;
}
/**
@ -635,6 +631,13 @@ void _LCR_gamePrepareGhost(void)
*currentSample = *(currentSample - LCR_GHOST_SAMPLE_SIZE);
currentSample++;
}
LCR_gameGetNthGhostSample(0,carTransform,carTransform + 3);
for (int i = 0; i < 3; ++i)
LCR_game.ghost.offset[i] = (((((int) LCR_currentMap.startPos[i]) -
LCR_MAP_SIZE_BLOCKS / 2) * LCR_GAME_UNIT + LCR_GAME_UNIT / 2)
/ (i == 1 ? 2 : 1)) - carTransform[i];
}
LCR_GameUnit LCR_carSpeedKMH(void)