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Try harder to avoid players getting pushed into walls. This was visible with ktx.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5965 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2021-07-17 15:09:54 +00:00
parent d4c8d1a17b
commit 0fd629f2d2
1 changed files with 18 additions and 16 deletions
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34
engine/common/pmove.c
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@ -1219,11 +1219,13 @@ allow for the cut precision of the net coordinates
*/
static void PM_NudgePosition (void)
{
vec3_t base;
vec3_t base, nudged;
int x, y, z;
int i;
static float sign[] = {0, -1/8.0, 1/8.0};
VectorCopy (pmove.origin, base);
//really we want to just use this here
//base[i] = MSG_FromCoord(MSG_ToCoord(pmove.origin[i], movevars.coordsize), movevars.coordsize);
//but it has overflow issues, so do things the painful way instead.
@ -1234,7 +1236,7 @@ static void PM_NudgePosition (void)
#endif
movevars.coordtype == COORDTYPE_FLOAT_32) //float precision on the network. no need to truncate.
{
VectorCopy (pmove.origin, base);
VectorCopy (base, nudged);
}
else if (movevars.coordtype == COORDTYPE_FIXED_13_3) //1/8th precision, but don't truncate because that screws everything up.
{
@ -1243,21 +1245,21 @@ static void PM_NudgePosition (void)
if (pmove.velocity[i])
{ //round in the direction of velocity, which means we're less likely to get stuck.
if (pmove.velocity[i] >= 0)
base[i] = (qintptr_t)(pmove.origin[i]*8+0.5f) / 8.0;
nudged[i] = (qintptr_t)(base[i]*8+0.5f) / 8.0;
else
base[i] = (qintptr_t)(pmove.origin[i]*8-0.5f) / 8.0;
nudged[i] = (qintptr_t)(base[i]*8-0.5f) / 8.0;
}
else
{
if (pmove.origin[i] >= 0)
base[i] = (qintptr_t)(pmove.origin[i]*8+0.5f) / 8.0;
if (base[i] >= 0)
nudged[i] = (qintptr_t)(base[i]*8+0.5f) / 8.0;
else
base[i] = (qintptr_t)(pmove.origin[i]*8-0.5f) / 8.0;
nudged[i] = (qintptr_t)(base[i]*8-0.5f) / 8.0;
}
}
}
else for (i=0 ; i<3 ; i++)
base[i] = ((qintptr_t) (pmove.origin[i] * 8)) * 0.125; //legacy compat, which biases towards the origin.
nudged[i] = ((qintptr_t) (pmove.origin[i] * 8)) * 0.125; //legacy compat, which biases towards the origin.
// VectorCopy (base, pmove.origin);
@ -1274,9 +1276,9 @@ static void PM_NudgePosition (void)
{
for (y=0 ; y<countof(sign) ; y++)
{
pmove.origin[0] = base[0] + sign[x];
pmove.origin[1] = base[1] + sign[y];
pmove.origin[2] = base[2] + sign[z];
pmove.origin[0] = nudged[0] + sign[x];
pmove.origin[1] = nudged[1] + sign[y];
pmove.origin[2] = nudged[2] + sign[z];
if (PM_TestPlayerPosition (pmove.origin, false))
return;
}
@ -1287,12 +1289,12 @@ static void PM_NudgePosition (void)
for (z=0 ; z<3; z++)
{
VectorCopy(base, pmove.origin);
pmove.origin[z] = base[z] + (2/8.0);
pmove.origin[z] = nudged[z] + (2/8.0);
if (PM_TestPlayerPosition (pmove.origin, false))
return;
VectorCopy(base, pmove.origin);
pmove.origin[z] = base[z] - (2/8.0);
pmove.origin[z] = nudged[z] - (2/8.0);
if (PM_TestPlayerPosition (pmove.origin, false))
return;
}
@ -1304,9 +1306,9 @@ static void PM_NudgePosition (void)
{
for (y=0 ; y<3 ; y++)
{
pmove.origin[0] = base[0] + sign[x];
pmove.origin[1] = base[1] + sign[y];
pmove.origin[2] = base[2] + z;
pmove.origin[0] = nudged[0] + sign[x];
pmove.origin[1] = nudged[1] + sign[y];
pmove.origin[2] = nudged[2] + z;
if (PM_TestPlayerPosition (pmove.origin, false))
return;
}