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Marginal improvements in accuracy by using right shifts and one logic mistake

This commit is contained in:
duncanspumpkin 2015-11-17 21:49:45 +00:00
parent 31e351b13f
commit 4541e43cf0
1 changed files with 5 additions and 6 deletions
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11
src/ride/vehicle.c
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@ -662,7 +662,7 @@ static void vehicle_update_measurements(rct_vehicle *vehicle)
ride->time[var_E0]++;
}
sint32 distance = abs(((vehicle->velocity + vehicle->var_2C) / 1024) * 42);
sint32 distance = abs(((vehicle->velocity + vehicle->var_2C) >> 10) * 42);
if (vehicle->var_CE == 0){
ride->length[var_E0] += distance;
}
@ -673,8 +673,8 @@ static void vehicle_update_measurements(rct_vehicle *vehicle)
vertical_g += ride->previous_vertical_g;
lateral_g += ride->previous_lateral_g;
vertical_g /= 2;
lateral_g /= 2;
vertical_g >>= 1;
lateral_g >>= 1;
ride->previous_vertical_g = vertical_g;
ride->previous_lateral_g = lateral_g;
@ -705,7 +705,7 @@ static void vehicle_update_measurements(rct_vehicle *vehicle)
return;
uint16 track_elem_type = vehicle->track_type / 4;
if (track_elem_type == TRACK_ELEM_POWERED_LIFT || !(vehicle->update_flags & VEHICLE_UPDATE_FLAG_0)){
if (track_elem_type == TRACK_ELEM_POWERED_LIFT || (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0)){
if (!(ride->testing_flags & RIDE_TESTING_POWERED_LIFT)){
ride->testing_flags |= RIDE_TESTING_POWERED_LIFT;
if (ride->drops + 64 < 0xFF){
@ -864,7 +864,6 @@ static void vehicle_update_measurements(rct_vehicle *vehicle)
ride->drops |= drops;
ride->start_drop_height = vehicle->z / 8;
testing_flags &= ~RIDE_TESTING_DROP_UP;
}
if (track_flags & TRACK_ELEM_FLAG_INVERSION){
@ -941,7 +940,7 @@ static void vehicle_update_measurements(rct_vehicle *vehicle)
}
}
sint32 distance = ((vehicle->velocity + vehicle->var_2C) / 1024) * 42;
sint32 distance = ((vehicle->velocity + vehicle->var_2C) >> 10) * 42;
if (distance < 0)return;
ride->sheltered_length += distance;