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Move the modified behaviour to a new "resetvel" parameter

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sgrunt 2021-03-18 23:26:37 -06:00 committed by Christoph Oelckers
parent 3873ad6151
commit 0c776e3acd
2 changed files with 11 additions and 6 deletions
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15
src/playsim/p_things.cpp
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@ -171,7 +171,7 @@ void InterceptDefaultAim(AActor *mobj, AActor *targ, DVector3 aim, double speed)
// [MC] Was part of P_Thing_Projectile, now its own function for use in ZScript.
// Aims mobj at targ based on speed and targ's velocity.
static void VelIntercept(AActor *targ, AActor *mobj, double speed, bool aimpitch = false, bool oldvel = false, bool leadtarget = true)
static void VelIntercept(AActor *targ, AActor *mobj, double speed, bool aimpitch = false, bool oldvel = false, bool resetvel = false, bool leadtarget = true)
{
if (targ == nullptr || mobj == nullptr) return;
@ -199,7 +199,7 @@ static void VelIntercept(AActor *targ, AActor *mobj, double speed, bool aimpitch
if (targ->Vel.X == 0 && targ->Vel.Y == 0)
{
InterceptDefaultAim(mobj, targ, aim, speed);
if (oldvel)
if (resetvel)
{
mobj->Vel = prevel;
}
@ -225,6 +225,10 @@ static void VelIntercept(AActor *targ, AActor *mobj, double speed, bool aimpitch
// And make the projectile follow that vector at the desired speed.
mobj->Vel = aimvec * (speed / dist);
mobj->AngleFromVel();
if (oldvel)
{
mobj->Vel = prevel;
}
if (aimpitch) // [MC] Ripped right out of A_FaceMovementDirection
{
const DVector2 velocity = mobj->Vel.XY();
@ -235,7 +239,7 @@ static void VelIntercept(AActor *targ, AActor *mobj, double speed, bool aimpitch
{
InterceptDefaultAim(mobj, targ, aim, speed);
}
if (oldvel)
if (resetvel)
{
mobj->Vel = prevel;
}
@ -248,8 +252,9 @@ DEFINE_ACTION_FUNCTION(AActor, VelIntercept)
PARAM_FLOAT(speed);
PARAM_BOOL(aimpitch);
PARAM_BOOL(oldvel);
PARAM_BOOL(resetvel);
if (speed < 0) speed = self->Speed;
VelIntercept(targ, self, speed, aimpitch, oldvel);
VelIntercept(targ, self, speed, aimpitch, oldvel, resetvel);
return 0;
}
@ -335,7 +340,7 @@ bool FLevelLocals::EV_Thing_Projectile (int tid, AActor *source, int type, const
if (targ != nullptr)
{
VelIntercept(targ, mobj, speed, false, false, leadTarget);
VelIntercept(targ, mobj, speed, false, false, false, leadTarget);
if (mobj->flags2 & MF2_SEEKERMISSILE)
{

2
wadsrc/static/zscript/actors/actor.zs
View file

@ -751,7 +751,7 @@ class Actor : Thinker native
native clearscope vector2 Vec2Angle(double length, double angle, bool absolute = false) const;
native clearscope vector2 Vec2Offset(double x, double y, bool absolute = false) const;
native clearscope vector3 Vec2OffsetZ(double x, double y, double atz, bool absolute = false) const;
native void VelIntercept(Actor targ, double speed = -1, bool aimpitch = true, bool oldvel = false);
native void VelIntercept(Actor targ, double speed = -1, bool aimpitch = true, bool oldvel = false, bool resetvel = false);
native void VelFromAngle(double speed = 1e37, double angle = 1e37);
native void Vel3DFromAngle(double speed, double angle, double pitch);
native void Thrust(double speed = 1e37, double angle = 1e37);