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Code Issues Activity

add option to tie movement updates to tickrate

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p2r3
2025-09-11 22:00:32 +03:00
parent e4c0c6b6e9
commit a83acbda67
3 changed files with 35 additions and 6 deletions
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26
src/main.c
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@@ -233,17 +233,31 @@ void handlePacket (int client_fd, int length, int packet_id, int state) {
player->pitch = pitch / 90.0f * 127.0f;
}
// Broadcast player position to other players
// Whether to broadcast player position to other players
uint8_t should_broadcast = true;
#ifndef BROADCAST_ALL_MOVEMENT
// If applicable, tie movement updates to the tickrate by using
// a flag that gets reset on every tick. It might sound better
// to just make the tick handler broadcast position updates, but
// then we lose precision. While position is stored using integers,
// here the client gives us doubles and floats directly.
should_broadcast = !(player->flags & 0x40);
if (should_broadcast) player->flags |= 0x40;
#endif
#ifdef SCALE_MOVEMENT_UPDATES_TO_PLAYER_COUNT
// If applicable, broadcast only every client_count-th movement update
uint8_t should_broadcast = false;
if (++player->packets_since_update >= client_count) {
should_broadcast = true;
if (++player->packets_since_update < client_count) {
should_broadcast = false;
} else {
// Note that this does not explicitly set should_broadcast to true
// This allows the above BROADCAST_ALL_MOVEMENT check to compound
// Whether that's ever favorable is up for debate
player->packets_since_update = 0;
}
#else
#define should_broadcast (client_count > 0)
#endif
if (should_broadcast) {
// If the packet had no rotation data, calculate it from player data
if (packet_id == 0x1D) {