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flight
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Fix reprediction bug, used unsigned math, bad!

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main
Cameron Murphy Reikes 1 year ago
parent 449b0a889a
commit 7c6dd0b22a
2 changed files with 15 additions and 14 deletions
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13
buildsettings.h
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@ -8,14 +8,15 @@
#ifdef DEBUG
#define SERVER_ADDRESS "127.0.0.1"
// #define SERVER_ADDRESS "207.246.80.160"
// #define PROFILING
//#define PROFILING
#define DEBUG_RENDERING
#define DEBUG_WORLD
#define UNLOCK_ALL
#define INFINITE_RESOURCES
#define NO_GRAVITY
#define NO_SUNS
//#define DEBUG_WORLD
//#define UNLOCK_ALL
//#define INFINITE_RESOURCES
//#define NO_GRAVITY
//#define NO_SUNS
#else

16
main.c
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@ -1537,12 +1537,11 @@ static void frame(void)
{
uint64_t server_current_tick = tick(&gs);
uint64_t ticks_should_repredict = predicted_to_tick - server_current_tick;
int ticks_should_repredict = (int)predicted_to_tick - (int)server_current_tick;
uint64_t healthy_num_ticks_ahead = (uint64_t)ceil((((double)peer->roundTripTime) / 1000.0) / TIMESTEP) + 6;
int healthy_num_ticks_ahead = (int)ceil((((double)peer->roundTripTime) / 1000.0) / TIMESTEP) + 6;
// keeps it stable even though causes jumps occasionally
uint64_t ticks_to_repredict = ticks_should_repredict;
int ticks_to_repredict = ticks_should_repredict;
if (ticks_should_repredict < healthy_num_ticks_ahead - 1)
{
@ -1550,15 +1549,16 @@ static void frame(void)
}
else if (ticks_should_repredict > healthy_num_ticks_ahead + 1)
{
dilating_time_factor = 0.1;
dilating_time_factor = 0.9;
}
else
{
dilating_time_factor = 1.0;
}
// snap in dire cases
if (ticks_should_repredict < healthy_num_ticks_ahead - TICKS_BEHIND_DO_SNAP)
if (healthy_num_ticks_ahead >= TICKS_BEHIND_DO_SNAP && ticks_should_repredict < healthy_num_ticks_ahead - TICKS_BEHIND_DO_SNAP)
{
Log("Snapping\n");
ticks_to_repredict = healthy_num_ticks_ahead;
@ -1569,7 +1569,7 @@ static void frame(void)
{
if (stm_ms(stm_diff(stm_now(), start_prediction_time)) > MAX_MS_SPENT_REPREDICTING)
{
Log("Reprediction took longer than %f milliseconds, needs to repredict %llu more ticks\n", MAX_MS_SPENT_REPREDICTING, ticks_to_repredict);
Log("Reprediction took longer than %f milliseconds, needs to repredict %d more ticks\n", MAX_MS_SPENT_REPREDICTING, ticks_to_repredict);
break;
}
apply_this_tick_of_input_to_player(tick(&gs));
@ -1581,7 +1581,7 @@ static void frame(void)
double reprediction_error = cpvdist(where_i_am, where_i_thought_id_be);
InputFrame *biggest_frame = (InputFrame *)queue_most_recent_element(&input_queue);
if (reprediction_error >= 0.1)
if (reprediction_error >= 0.1 && biggest_frame != NULL)
{
Log("Big reprediction error %llu\n", biggest_frame->tick);
}

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