OrdinaryMagician/vkdoom_m
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- handle display of player sprite during portal transition properly.

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This checks if the current viewpoint lies on the interpolation path, translated by all active portals.
This commit is contained in:
Christoph Oelckers 2016-04-07 19:35:01 +02:00
commit 0cbdb9ab72
3 changed files with 84 additions and 49 deletions
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108
src/r_utility.cpp
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@ -85,7 +85,7 @@ struct InterpolationViewer
static TArray<InterpolationViewer> PastViewers;
static FRandom pr_torchflicker ("TorchFlicker");
static FRandom pr_hom;
static bool NoInterpolateView;
bool NoInterpolateView; // GL needs access to this.
static TArray<DVector3a> InterpolationPath;
// PUBLIC DATA DEFINITIONS -------------------------------------------------
@ -108,6 +108,7 @@ int viewwindowy;
DVector3 ViewPos;
DAngle ViewAngle;
DAngle ViewPitch;
DVector3 ViewPath[2];
extern "C"
{
@ -590,67 +591,78 @@ void R_InterpolateView (player_t *player, double Frac, InterpolationViewer *ivie
DAngle oviewangle = iview->Old.Angles.Yaw;
DAngle nviewangle = iview->New.Angles.Yaw;
if ((iview->Old.Pos.X != iview->New.Pos.X || iview->Old.Pos.Y != iview->New.Pos.Y) && InterpolationPath.Size() > 0)
if (!cl_capfps)
{
DVector3 view = iview->New.Pos;
// Interpolating through line portals is a messy affair.
// What needs be done is to store the portal transitions of the camera actor as waypoints
// and then find out on which part of the path the current view lies.
// Needless to say, this doesn't work for chasecam mode.
if (!r_showviewer)
if ((iview->Old.Pos.X != iview->New.Pos.X || iview->Old.Pos.Y != iview->New.Pos.Y) && InterpolationPath.Size() > 0)
{
double pathlen = 0;
double zdiff = 0;
double totalzdiff = 0;
DAngle adiff = 0.;
DAngle totaladiff = 0.;
double oviewz = iview->Old.Pos.Z;
double nviewz = iview->New.Pos.Z;
DVector3a oldpos = { { iview->Old.Pos.X, iview->Old.Pos.Y, 0 }, 0. };
DVector3a newpos = { { iview->New.Pos.X, iview->New.Pos.Y, 0 }, 0. };
InterpolationPath.Push(newpos); // add this to the array to simplify the loops below
DVector3 view = iview->New.Pos;
for (unsigned i = 0; i < InterpolationPath.Size(); i += 2)
// Interpolating through line portals is a messy affair.
// What needs be done is to store the portal transitions of the camera actor as waypoints
// and then find out on which part of the path the current view lies.
// Needless to say, this doesn't work for chasecam mode.
if (!r_showviewer)
{
DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1];
DVector3a &end = InterpolationPath[i];
pathlen += (end.pos-start.pos).Length();
totalzdiff += start.pos.Z;
totaladiff += start.angle;
}
double interpolatedlen = Frac * pathlen;
double pathlen = 0;
double zdiff = 0;
double totalzdiff = 0;
DAngle adiff = 0.;
DAngle totaladiff = 0.;
double oviewz = iview->Old.Pos.Z;
double nviewz = iview->New.Pos.Z;
DVector3a oldpos = { { iview->Old.Pos.X, iview->Old.Pos.Y, 0 }, 0. };
DVector3a newpos = { { iview->New.Pos.X, iview->New.Pos.Y, 0 }, 0. };
InterpolationPath.Push(newpos); // add this to the array to simplify the loops below
for (unsigned i = 0; i < InterpolationPath.Size(); i += 2)
{
DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1];
DVector3a &end = InterpolationPath[i];
double fraglen = (end.pos - start.pos).Length();
zdiff += start.pos.Z;
adiff += start.angle;
if (fraglen <= interpolatedlen)
for (unsigned i = 0; i < InterpolationPath.Size(); i += 2)
{
interpolatedlen -= fraglen;
DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1];
DVector3a &end = InterpolationPath[i];
pathlen += (end.pos - start.pos).Length();
totalzdiff += start.pos.Z;
totaladiff += start.angle;
}
else
double interpolatedlen = Frac * pathlen;
for (unsigned i = 0; i < InterpolationPath.Size(); i += 2)
{
double fragfrac = interpolatedlen / fraglen;
oviewz += zdiff;
nviewz -= totalzdiff - zdiff;
oviewangle += adiff;
nviewangle -= totaladiff - adiff;
DVector2 viewpos = start.pos + (fragfrac * (end.pos - start.pos));
ViewPos = { viewpos, oviewz + Frac * (nviewz - oviewz) };
break;
DVector3a &start = i == 0 ? oldpos : InterpolationPath[i - 1];
DVector3a &end = InterpolationPath[i];
double fraglen = (end.pos - start.pos).Length();
zdiff += start.pos.Z;
adiff += start.angle;
if (fraglen <= interpolatedlen)
{
interpolatedlen -= fraglen;
}
else
{
double fragfrac = interpolatedlen / fraglen;
oviewz += zdiff;
nviewz -= totalzdiff - zdiff;
oviewangle += adiff;
nviewangle -= totaladiff - adiff;
DVector2 viewpos = start.pos + (fragfrac * (end.pos - start.pos));
ViewPos = { viewpos, oviewz + Frac * (nviewz - oviewz) };
break;
}
}
InterpolationPath.Pop();
ViewPath[0] = iview->Old.Pos;
}
InterpolationPath.Pop();
}
else
{
DVector2 disp = Displacements.getOffset(oldgroup, newgroup);
ViewPos = iview->Old.Pos + (iview->New.Pos - iview->Old.Pos - disp) * Frac;
ViewPath[1] = iview->New.Pos;
ViewPath[0] = iview->Old.Pos;
}
}
else
{
DVector2 disp = Displacements.getOffset(oldgroup, newgroup);
ViewPos = iview->Old.Pos + (iview->New.Pos - iview->Old.Pos - disp) * Frac;
ViewPos = iview->New.Pos;
ViewPath[0] = ViewPath[1] = iview->New.Pos;
}
if (player != NULL &&
!(player->cheats & CF_INTERPVIEW) &&