diff --git a/src/g_game.c b/src/g_game.c index 8a8b021c..47bb8ac9 100644 --- a/src/g_game.c +++ b/src/g_game.c @@ -5073,7 +5073,8 @@ void G_WriteGhostTic(mobj_t *ghost) // GZT_XYZ is only useful if you've moved 256 FRACUNITS or more in a single tic. if (abs(ghost->x-oldghost.x) > MAXMOM || abs(ghost->y-oldghost.y) > MAXMOM - || abs(ghost->z-oldghost.z) > MAXMOM) + || abs(ghost->z-oldghost.z) > MAXMOM + || leveltime & 255 == 1) // Hack to enable slightly nicer resyncing { oldghost.x = ghost->x; oldghost.y = ghost->y; @@ -5087,8 +5088,8 @@ void G_WriteGhostTic(mobj_t *ghost) { // For moving normally: // Store one full byte of movement, plus one byte of fractional movement. - INT16 momx = (INT16)((ghost->x-oldghost.x)>>8); - INT16 momy = (INT16)((ghost->y-oldghost.y)>>8); + INT16 momx = (INT16)((ghost->x-oldghost.x + (1<<4))>>8); + INT16 momy = (INT16)((ghost->y-oldghost.y + (1<<4))>>8); if (momx != oldghost.momx || momy != oldghost.momy) { @@ -5098,7 +5099,7 @@ void G_WriteGhostTic(mobj_t *ghost) WRITEINT16(demo_p,momx); WRITEINT16(demo_p,momy); } - momx = (INT16)((ghost->z-oldghost.z)>>8); + momx = (INT16)((ghost->z-oldghost.z + (1<<4))>>8); if (momx != oldghost.momz) { oldghost.momz = momx; @@ -5202,8 +5203,9 @@ void G_WriteGhostTic(mobj_t *ghost) void G_ConsGhostTic(void) { UINT8 ziptic; - UINT16 px,py,pz,gx,gy,gz; + UINT32 px,py,pz,gx,gy,gz; mobj_t *testmo; + UINT32 syncleeway; boolean nightsfail = false; if (!demo_p || !demo_start) @@ -5220,6 +5222,7 @@ void G_ConsGhostTic(void) oldghost.x = READFIXED(demo_p); oldghost.y = READFIXED(demo_p); oldghost.z = READFIXED(demo_p); + syncleeway = 0; } else { @@ -5233,6 +5236,7 @@ void G_ConsGhostTic(void) oldghost.x += oldghost.momx; oldghost.y += oldghost.momy; oldghost.z += oldghost.momz; + syncleeway = FRACUNIT; } if (ziptic & GZT_ANGLE) demo_p++; @@ -5298,14 +5302,14 @@ void G_ConsGhostTic(void) } // Re-synchronise - px = testmo->x>>FRACBITS; - py = testmo->y>>FRACBITS; - pz = testmo->z>>FRACBITS; - gx = oldghost.x>>FRACBITS; - gy = oldghost.y>>FRACBITS; - gz = oldghost.z>>FRACBITS; + px = testmo->x; + py = testmo->y; + pz = testmo->z; + gx = oldghost.x; + gy = oldghost.y; + gz = oldghost.z; - if (nightsfail || px != gx || py != gy || pz != gz) + if (nightsfail || abs(px-gx) > syncleeway || abs(py-gy) > syncleeway || abs(pz-gz) > syncleeway) { if (demosynced) CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));