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- fixed FraggleScript's moving camera.

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The logic here was a bit more complicated than I assumed but it was all buried in a heap of code that tried to deal with angular wraparounds in the BAM format.
This commit is contained in:
Christoph Oelckers 2018-08-13 20:47:56 +02:00 committed by drfrag666
parent 285791622d
commit ae49f6138e
1 changed files with 38 additions and 20 deletions
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68
src/fragglescript/t_func.cpp
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@ -2896,44 +2896,62 @@ void FParser::SF_MoveCamera(void)
}
double targetheight = floatvalue(t_argv[2]);
double movespeed = floatvalue(t_argv[3]);
DVector3 campos = cam->Pos();
DVector3 targpos = DVector3(target->Pos(), targetheight);
if (campos != targpos)
{
DVector3 movement = targpos - campos;
double movelen = movement.Length();
double movespeed = floatvalue(t_argv[3]);
DVector3 movepos;
bool finished = (movespeed >= movelen);
if (finished) movepos = targpos;
else movepos = campos + movement.Resized(movespeed);
DAngle targetangle = floatvalue(t_argv[4]);
DAngle anglespeed = floatvalue(t_argv[5]);
if (movespeed > 0 && anglespeed == 0.)
{
if (!finished)
{
const DAngle diffangle = targetangle - cam->Angles.Yaw;
targetangle = cam->Angles.Yaw + diffangle * movespeed / movelen;
}
}
else
{
targetangle = cam->Angles.Yaw + anglespeed;
}
bool finishedmove = false;
bool finishedangle = false;
cam->radius = 1 / 8192.;
cam->Height = 1 / 8192.;
if (campos != targpos)
{
DVector3 movepos;
finishedmove = (movespeed >= movelen);
if (finishedmove) movepos = targpos;
else movepos = campos + movement.Resized(movespeed);
cam->SetOrigin(movepos, true);
cam->SetAngle(targetangle, false);
t_return.value.i = 1;
}
DAngle targetangle = DAngle(floatvalue(t_argv[4])).Normalized360();
if (cam->Angles.Yaw != targetangle)
{
DAngle anglespeed = floatvalue(t_argv[5]);
DAngle anglenow = targetangle;
const DAngle diffangle = deltaangle(cam->Angles.Yaw, targetangle);
if (movespeed > 0 && anglespeed == 0.)
{
if (!finishedmove)
{
anglenow = cam->Angles.Yaw + diffangle * movespeed / movelen;
}
else finishedangle = true;
}
else
{
t_return.value.i = 0;
if (diffangle > 0)
{
anglenow = (cam->Angles.Yaw + anglespeed).Normalized360();
}
else
{
anglenow = (cam->Angles.Yaw - anglespeed).Normalized360();
}
const DAngle diffangle2 = deltaangle(anglenow, targetangle);
if (diffangle.Degrees * diffangle2.Degrees <= 0)
{
anglenow = targetangle;
finishedangle = true;
}
}
cam->SetAngle(anglenow, false);
}
t_return.value.i = !(finishedmove & finishedangle);
t_return.type = svt_int;
}
}