stjr/Kart-Public
0
0
Fork 0
mirror of https://git.do.srb2.org/KartKrew/Kart-Public.git synced 2024-11-10 23:31:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

Slopey physics for some things that aren't players

Browse source 
This is incredibly messy and probably needs redone differently at
some point, but... fuck it.
This commit is contained in:
RedEnchilada 2015-05-22 12:33:12 -05:00
parent fb9d07b8ba
commit 8c54ee44e7
1 changed files with 87 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

121
src/p_mobj.c
View file

@ -2387,6 +2387,12 @@ void P_XYMovement(mobj_t *mo)
if (player && player->homing) // no friction for homing
return;
#ifdef ESLOPE
if ((mo->type == MT_BIGTUMBLEWEED || mo->type == MT_LITTLETUMBLEWEED)
&& (mo->standingslope && abs(mo->standingslope->zdelta) > FRACUNIT>>8)) // Special exception for tumbleweeds on slopes
return;
#endif
if (((!(mo->eflags & MFE_VERTICALFLIP) && mo->z > mo->floorz) || (mo->eflags & MFE_VERTICALFLIP && mo->z+mo->height < mo->ceilingz))
&& !(player && player->pflags & PF_SLIDING))
return; // no friction when airborne
@ -2822,6 +2828,21 @@ static boolean P_ZMovement(mobj_t *mo)
|| (mo->z + mo->height >= mo->ceilingz && mo->eflags & MFE_VERTICALFLIP))
&& !(mo->flags & MF_NOCLIPHEIGHT))
{
v3fixed_t mom;
mom.x = mo->momx;
mom.y = mo->momy;
mom.z = mo->momz;
#ifdef ESLOPE
P_TryMove(mo, mo->x, mo->y, true); // Sets mo->standingslope correctly
if (mo->standingslope) {
// Reverse quantizing might could use its own function later
mo->standingslope->zangle = ANGLE_MAX-mo->standingslope->zangle;
P_QuantizeMomentumToSlope(&mom, mo->standingslope);
mo->standingslope->zangle = ANGLE_MAX-mo->standingslope->zangle;
}
#endif
if (mo->eflags & MFE_VERTICALFLIP)
mo->z = mo->ceilingz - mo->height;
else
@ -2829,7 +2850,7 @@ static boolean P_ZMovement(mobj_t *mo)
// hit the floor
if (mo->type == MT_FIREBALL) // special case for the fireball
mo->momz = P_MobjFlip(mo)*FixedMul(5*FRACUNIT, mo->scale);
mom.z = P_MobjFlip(mo)*FixedMul(5*FRACUNIT, mo->scale);
else if (mo->type == MT_SPINFIRE) // elemental shield fire is another exception here
;
else if (mo->flags & MF_MISSILE)
@ -2844,12 +2865,12 @@ static boolean P_ZMovement(mobj_t *mo)
if (mo->flags & MF_GRENADEBOUNCE)
{
// Going down? (Or up in reverse gravity?)
if (P_MobjFlip(mo)*mo->momz < 0)
if (P_MobjFlip(mo)*mom.z < 0)
{
// If going slower than a fracunit, just stop.
if (abs(mo->momz) < FixedMul(FRACUNIT, mo->scale))
if (abs(mom.z) < FixedMul(FRACUNIT, mo->scale))
{
mo->momx = mo->momy = mo->momz = 0;
mom.x = mom.y = mom.z = 0;
// Napalm hack
if (mo->type == MT_CYBRAKDEMON_NAPALM_BOMB_LARGE && mo->fuse)
@ -2857,7 +2878,7 @@ static boolean P_ZMovement(mobj_t *mo)
}
// Otherwise bounce up at half speed.
else
mo->momz = -mo->momz/2;
mom.z = -mom.z/2;
S_StartSound(mo, mo->info->activesound);
}
}
@ -2880,14 +2901,14 @@ static boolean P_ZMovement(mobj_t *mo)
}
}
if (P_MobjFlip(mo)*mo->momz < 0) // falling
if (P_MobjFlip(mo)*mom.z < 0) // falling
{
if (!tmfloorthing || tmfloorthing->flags & (MF_PUSHABLE|MF_MONITOR)
|| tmfloorthing->flags2 & MF2_STANDONME || tmfloorthing->type == MT_PLAYER)
mo->eflags |= MFE_JUSTHITFLOOR;
if (mo->flags2 & MF2_SKULLFLY) // the skull slammed into something
mo->momz = -mo->momz;
mom.z = -mom.z;
else
// Flingrings bounce
if (mo->type == MT_FLINGRING
@ -2900,35 +2921,42 @@ static boolean P_ZMovement(mobj_t *mo)
|| mo->type == MT_FALLINGROCK)
{
if (maptol & TOL_NIGHTS)
mo->momz = -FixedDiv(mo->momz, 10*FRACUNIT);
mom.z = -FixedDiv(mom.z, 10*FRACUNIT);
else
mo->momz = -FixedMul(mo->momz, FixedDiv(17*FRACUNIT,20*FRACUNIT));
mom.z = -FixedMul(mom.z, FixedDiv(17*FRACUNIT,20*FRACUNIT));
if (mo->type == MT_BIGTUMBLEWEED || mo->type == MT_LITTLETUMBLEWEED)
{
if (abs(mo->momx) < FixedMul(STOPSPEED, mo->scale)
&& abs(mo->momy) < FixedMul(STOPSPEED, mo->scale)
&& abs(mo->momz) < FixedMul(STOPSPEED*3, mo->scale))
if (abs(mom.x) < FixedMul(STOPSPEED, mo->scale)
&& abs(mom.y) < FixedMul(STOPSPEED, mo->scale)
&& abs(mom.z) < FixedMul(STOPSPEED*3, mo->scale))
{
if (!(mo->flags & MF_AMBUSH))
{
mo->momx = mo->momy = mo->momz = 0;
P_SetMobjState(mo, mo->info->spawnstate);
}
else
if (mo->flags & MF_AMBUSH)
{
// If deafed, give the tumbleweed another random kick if it runs out of steam.
mo->momz += P_MobjFlip(mo)*FixedMul(6*FRACUNIT, mo->scale);
mom.z += P_MobjFlip(mo)*FixedMul(6*FRACUNIT, mo->scale);
if (P_Random() & 1)
mo->momx += FixedMul(6*FRACUNIT, mo->scale);
mom.x += FixedMul(6*FRACUNIT, mo->scale);
else
mo->momx -= FixedMul(6*FRACUNIT, mo->scale);
mom.x -= FixedMul(6*FRACUNIT, mo->scale);
if (P_Random() & 1)
mo->momy += FixedMul(6*FRACUNIT, mo->scale);
mom.y += FixedMul(6*FRACUNIT, mo->scale);
else
mo->momy -= FixedMul(6*FRACUNIT, mo->scale);
mom.y -= FixedMul(6*FRACUNIT, mo->scale);
}
#ifdef ESLOPE
else if (mo->standingslope && abs(mo->standingslope->zdelta) > FRACUNIT>>8)
{
// Pop the object up a bit to encourage bounciness
//mom.z = P_MobjFlip(mo)*mo->scale;
}
#endif
else
{
mom.x = mom.y = mom.z = 0;
P_SetMobjState(mo, mo->info->spawnstate);
}
}
@ -2938,14 +2966,14 @@ static boolean P_ZMovement(mobj_t *mo)
}
else if (mo->type == MT_FALLINGROCK)
{
if (P_MobjFlip(mo)*mo->momz > FixedMul(2*FRACUNIT, mo->scale))
if (P_MobjFlip(mo)*mom.z > FixedMul(2*FRACUNIT, mo->scale))
S_StartSound(mo, mo->info->activesound + P_RandomKey(mo->info->mass));
mo->momz /= 2; // Rocks not so bouncy
mom.z /= 2; // Rocks not so bouncy
if (abs(mo->momx) < FixedMul(STOPSPEED, mo->scale)
&& abs(mo->momy) < FixedMul(STOPSPEED, mo->scale)
&& abs(mo->momz) < FixedMul(STOPSPEED*3, mo->scale))
if (abs(mom.x) < FixedMul(STOPSPEED, mo->scale)
&& abs(mom.y) < FixedMul(STOPSPEED, mo->scale)
&& abs(mom.z) < FixedMul(STOPSPEED*3, mo->scale))
{
P_RemoveMobj(mo);
return false;
@ -2953,20 +2981,30 @@ static boolean P_ZMovement(mobj_t *mo)
}
else if (mo->type == MT_CANNONBALLDECOR)
{
mo->momz /= 2;
if (abs(mo->momz) < FixedMul(STOPSPEED*3, mo->scale))
mo->momz = 0;
mom.z /= 2;
if (abs(mom.z) < FixedMul(STOPSPEED*3, mo->scale))
mom.z = 0;
}
}
else if (tmfloorthing && (tmfloorthing->flags & (MF_PUSHABLE|MF_MONITOR)
|| tmfloorthing->flags2 & MF2_STANDONME || tmfloorthing->type == MT_PLAYER))
mo->momz = tmfloorthing->momz;
mom.z = tmfloorthing->momz;
else if (!tmfloorthing)
mo->momz = 0;
mom.z = 0;
}
else if (tmfloorthing && (tmfloorthing->flags & (MF_PUSHABLE|MF_MONITOR)
|| tmfloorthing->flags2 & MF2_STANDONME || tmfloorthing->type == MT_PLAYER))
mo->momz = tmfloorthing->momz;
mom.z = tmfloorthing->momz;
#ifdef ESLOPE
if (mo->standingslope) {
P_QuantizeMomentumToSlope(&mom, mo->standingslope);
}
#endif
mo->momx = mom.x;
mo->momy = mom.y;
mo->momz = mom.z;
if (mo->type == MT_STEAM)
return true;
@ -7798,6 +7836,21 @@ for (i = ((mobj->flags2 & MF2_STRONGBOX) ? strongboxamt : weakboxamt); i; --i) s
mobj->eflags &= ~MFE_JUSTHITFLOOR;
}
#ifdef ESLOPE // Sliding physics for slidey mobjs!
if (mobj->type == MT_FLINGRING
|| mobj->type == MT_FLINGCOIN
|| P_WeaponOrPanel(mobj->type)
|| mobj->type == MT_FLINGEMERALD
|| mobj->type == MT_BIGTUMBLEWEED
|| mobj->type == MT_LITTLETUMBLEWEED
|| mobj->type == MT_CANNONBALLDECOR
|| mobj->type == MT_FALLINGROCK) {
P_TryMove(mobj, mobj->x, mobj->y, true); // Sets mo->standingslope correctly
//if (mobj->standingslope) CONS_Printf("slope physics on mobj\n");
P_ButteredSlope(mobj);
}
#endif
if (mobj->flags & (MF_ENEMY|MF_BOSS) && mobj->health
&& P_CheckDeathPitCollide(mobj)) // extra pit check in case these didn't have momz
{