void HWScenePortalBase::ClearClipper(HWDrawInfo *di, Clipper *clipper)
{
auto outer_di = di->outer;
DAngle angleOffset = deltaangle(outer_di->Viewpoint.Angles.Yaw, di->Viewpoint.Angles.Yaw);
clipper->Clear();
// Set the clipper to the minimal visible area
clipper->SafeAddClipRange(0, 0xffffffff);
for (unsigned int i = 0; i < lines.Size(); i++)
{
DAngle startAngle = (DVector2(lines[i].glseg.x2, lines[i].glseg.y2) - outer_di->Viewpoint.Pos).Angle() + angleOffset;
DAngle endAngle = (DVector2(lines[i].glseg.x1, lines[i].glseg.y1) - outer_di->Viewpoint.Pos).Angle() + angleOffset;
if (deltaangle(endAngle, startAngle) < 0)
{
clipper->SafeRemoveClipRangeRealAngles(startAngle.BAMs(), endAngle.BAMs());
}
}
// and finally clip it to the visible area
angle_t a1 = di->FrustumAngle();
if (a1 < ANGLE_180) clipper->SafeAddClipRangeRealAngles(di->Viewpoint.Angles.Yaw.BAMs() + a1, di->Viewpoint.Angles.Yaw.BAMs() - a1);
// lock the parts that have just been clipped out.
clipper->SetSilhouette();
}
AActor *P_SpawnSubMissile (AActor *source, PClassActor *type, AActor *target)
{
AActor *other = Spawn (type, source->Pos(), ALLOW_REPLACE);
if (other == NULL)
{
return NULL;
}
other->target = target;
other->Angles.Yaw = source->Angles.Yaw;
other->VelFromAngle();
if (other->flags4 & MF4_SPECTRAL)
{
if (source->flags & MF_MISSILE && source->flags4 & MF4_SPECTRAL)
{
other->FriendPlayer = source->FriendPlayer;
}
else
{
other->SetFriendPlayer(target->player);
}
}
if (P_CheckMissileSpawn (other, source->radius))
{
DAngle pitch = P_AimLineAttack (source, source->Angles.Yaw, 1024.);
other->Vel.Z = -other->Speed * pitch.Sin();
return other;
}
return NULL;
}
void P_DrawSplash (FLevelLocals *Level, int count, const DVector3 &pos, DAngle angle, int kind)
{
int color1, color2;
switch (kind)
{
case 1: // Spark
color1 = orange;
color2 = yorange;
break;
default:
return;
}
for (; count; count--)
{
FParticle *p = JitterParticle (Level, 10);
if (!p)
break;
p->size = 2;
p->color = M_Random() & 0x80 ? color1 : color2;
p->Vel.Z -= M_Random () / 128.;
p->Acc.Z -= 1./8;
p->Acc.X += (M_Random () - 128) / 8192.;
p->Acc.Y += (M_Random () - 128) / 8192.;
p->Pos.Z = pos.Z - M_Random () / 64.;
angle += M_Random() * (45./256);
p->Pos.X = pos.X + (M_Random() & 15)*angle.Cos();
p->Pos.Y = pos.Y + (M_Random() & 15)*angle.Sin();
}
}
inline void GLPortal::ClearClipper()
{
DAngle angleOffset = deltaangle(savedAngle, ViewAngle);
clipper.Clear();
static int call=0;
// Set the clipper to the minimal visible area
clipper.SafeAddClipRange(0,0xffffffff);
for (unsigned int i = 0; i < lines.Size(); i++)
{
DAngle startAngle = (DVector2(lines[i].glseg.x2, lines[i].glseg.y2) - savedViewPos).Angle() + angleOffset;
DAngle endAngle = (DVector2(lines[i].glseg.x1, lines[i].glseg.y1) - savedViewPos).Angle() + angleOffset;
if (deltaangle(endAngle, startAngle) < 0)
{
clipper.SafeRemoveClipRangeRealAngles(startAngle.BAMs(), endAngle.BAMs());
}
}
// and finally clip it to the visible area
angle_t a1 = GLRenderer->FrustumAngle();
if (a1 < ANGLE_180) clipper.SafeAddClipRangeRealAngles(ViewAngle.BAMs() + a1, ViewAngle.BAMs() - a1);
// lock the parts that have just been clipped out.
clipper.SetSilhouette();
}
void P_DrawSplash2 (FLevelLocals *Level, int count, const DVector3 &pos, DAngle angle, int updown, int kind)
{
int color1, color2, zadd;
double zvel, zspread;
switch (kind)
{
case 0: // Blood
color1 = blood1;
color2 = blood2;
break;
case 1: // Gunshot
color1 = grey3;
color2 = grey5;
break;
case 2: // Smoke
color1 = grey3;
color2 = grey1;
break;
default: // colorized blood
color1 = ParticleColor(kind);
color2 = ParticleColor(RPART(kind)/3, GPART(kind)/3, BPART(kind)/3);
break;
}
zvel = -1./512.;
zspread = updown ? -6000 / 65536. : 6000 / 65536.;
zadd = (updown == 2) ? -128 : 0;
for (; count; count--)
{
FParticle *p = NewParticle (Level);
DAngle an;
if (!p)
break;
p->ttl = 12;
p->fadestep = FADEFROMTTL(12);
p->alpha = 1.f;
p->size = 4;
p->color = M_Random() & 0x80 ? color1 : color2;
p->Vel.Z = M_Random() * zvel;
p->Acc.Z = -1 / 22.;
if (kind)
{
an = angle + ((M_Random() - 128) * (180 / 256.));
p->Vel.X = M_Random() * an.Cos() / 2048.;
p->Vel.Y = M_Random() * an.Sin() / 2048.;
p->Acc.X = p->Vel.X / 16.;
p->Acc.Y = p->Vel.Y / 16.;
}
an = angle + ((M_Random() - 128) * (90 / 256.));
p->Pos.X = pos.X + ((M_Random() & 31) - 15) * an.Cos();
p->Pos.Y = pos.Y + ((M_Random() & 31) - 15) * an.Sin();
p->Pos.Z = pos.Z + (M_Random() + zadd - 128) * zspread;
p->renderstyle = STYLE_Translucent;
}
}
static bool DoGroupForOne (AActor *victim, AActor *source, AActor *dest, bool floorz, bool fog)
{
DAngle an = dest->Angles.Yaw - source->Angles.Yaw;
DVector2 off = victim->Pos() - source->Pos();
DAngle offAngle = victim->Angles.Yaw - source->Angles.Yaw;
DVector2 newp = { off.X * an.Cos() - off.Y * an.Sin(), off.X * an.Sin() + off.Y * an.Cos() };
double z = floorz ? ONFLOORZ : dest->Z() + victim->Z() - source->Z();
bool res =
P_Teleport (victim, DVector3(dest->Pos().XY() + newp, z),
0., fog ? (TELF_DESTFOG | TELF_SOURCEFOG) : TELF_KEEPORIENTATION);
// P_Teleport only changes angle if fog is true
victim->Angles.Yaw = (dest->Angles.Yaw + victim->Angles.Yaw - source->Angles.Yaw).Normalized360();
return res;
}
void FGLRenderer::FillSimplePoly(FTexture *texture, FVector2 *points, int npoints,
double originx, double originy, double scalex, double scaley,
DAngle rotation, FDynamicColormap *colormap, int lightlevel)
{
if (npoints < 3)
{ // This is no polygon.
return;
}
FMaterial *gltexture = FMaterial::ValidateTexture(texture);
if (gltexture == NULL)
{
return;
}
FColormap cm;
cm = colormap;
lightlevel = gl_CalcLightLevel(lightlevel, 0, true);
PalEntry pe = gl_CalcLightColor(lightlevel, cm.LightColor, cm.blendfactor, true);
glColor3ub(pe.r, pe.g, pe.b);
gltexture->Bind(cm.colormap);
int i;
bool dorotate = rotation != 0;
float cosrot = cos(rotation.Radians());
float sinrot = sin(rotation.Radians());
//float yoffs = GatheringWipeScreen ? 0 : LBOffset;
float uscale = float(1.f / (texture->GetScaledWidth() * scalex));
float vscale = float(1.f / (texture->GetScaledHeight() * scaley));
if (gltexture->tex->bHasCanvas)
{
vscale = 0 - vscale;
}
float ox = float(originx);
float oy = float(originy);
gl_RenderState.Apply();
glBegin(GL_TRIANGLE_FAN);
for (i = 0; i < npoints; ++i)
{
float u = points[i].X - 0.5f - ox;
float v = points[i].Y - 0.5f - oy;
if (dorotate)
{
float t = u;
u = t * cosrot - v * sinrot;
v = v * cosrot + t * sinrot;
}
glTexCoord2f(u * uscale, v * vscale);
glVertex3f(points[i].X, points[i].Y /* + yoffs */, 0);
}
glEnd();
}
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FireGrenade)
{
PARAM_ACTION_PROLOGUE;
PARAM_CLASS(grenadetype, AActor);
PARAM_ANGLE(angleofs);
PARAM_STATE(flash)
player_t *player = self->player;
AActor *grenade;
DAngle an;
AWeapon *weapon;
if (player == nullptr || grenadetype == nullptr)
return 0;
if ((weapon = player->ReadyWeapon) == nullptr)
return 0;
if (!weapon->DepleteAmmo (weapon->bAltFire))
return 0;
P_SetPsprite (player, PSP_FLASH, flash, true);
if (grenadetype != nullptr)
{
self->AddZ(32);
grenade = P_SpawnSubMissile (self, grenadetype, self);
self->AddZ(-32);
if (grenade == nullptr)
return 0;
if (grenade->SeeSound != 0)
{
S_Sound (grenade, CHAN_VOICE, grenade->SeeSound, 1, ATTN_NORM);
}
grenade->Vel.Z = (-self->Angles.Pitch.TanClamped()) * grenade->Speed + 8;
DVector2 offset = self->Angles.Yaw.ToVector(self->radius + grenade->radius);
DAngle an = self->Angles.Yaw + angleofs;
offset += an.ToVector(15);
grenade->SetOrigin(grenade->Vec3Offset(offset.X, offset.Y, 0.), false);
}
return 0;
}
//==========================================================================
//
//
//
//==========================================================================
void ADynamicLight::UpdateLocation()
{
double oldx= X();
double oldy= Y();
double oldradius= radius;
float intensity;
if (IsActive())
{
if (target)
{
DAngle angle = target->Angles.Yaw;
double s = angle.Sin();
double c = angle.Cos();
DVector3 pos = target->Vec3Offset(m_off.X * c + m_off.Y * s, m_off.X * s - m_off.Y * c, m_off.Z + target->GetBobOffset());
SetXYZ(pos); // attached lights do not need to go into the regular blockmap
Prev = target->Pos();
subsector = R_PointInSubsector(Prev);
Sector = subsector->sector;
}
// The radius being used here is always the maximum possible with the
// current settings. This avoids constant relinking of flickering lights
if (lighttype == FlickerLight || lighttype == RandomFlickerLight || lighttype == PulseLight)
{
intensity = float(MAX(m_Radius[0], m_Radius[1]));
}
else
{
intensity = m_currentRadius;
}
radius = intensity * 2.0f * gl_lights_size;
if (X() != oldx || Y() != oldy || radius != oldradius)
{
//Update the light lists
LinkLight();
}
}
}
void P_SetSlope (secplane_t *plane, bool setCeil, int xyangi, int zangi, const DVector3 &pos)
{
DAngle xyang;
DAngle zang;
if (zangi >= 180)
{
zang = 179.;
}
else if (zangi <= 0)
{
zang = 1.;
}
else
{
zang = (double)zangi;
}
if (setCeil)
{
zang += 180.;
}
xyang = (double)xyangi;
DVector3 norm;
if (ib_compatflags & BCOMPATF_SETSLOPEOVERFLOW)
{
// We have to consider an integer multiplication overflow here.
norm[0] = FixedToFloat(FloatToFixed(zang.Cos()) * FloatToFixed(xyang.Cos()));
norm[1] = FixedToFloat(FloatToFixed(zang.Cos()) * FloatToFixed(xyang.Sin()));
}
else
{
norm[0] = zang.Cos() * xyang.Cos();
norm[1] = zang.Cos() * xyang.Sin();
}
norm[2] = zang.Sin();
norm.MakeUnit();
double dist = -norm[0] * pos.X - norm[1] * pos.Y - norm[2] * pos.Z;
plane->set(norm[0], norm[1], norm[2], dist);
}
// [RH] Modified to support different source and destination ids.
// [RH] Modified some more to be accurate.
bool EV_SilentLineTeleport (line_t *line, int side, AActor *thing, int id, INTBOOL reverse)
{
int i;
line_t *l;
if (side || thing->flags2 & MF2_NOTELEPORT || !line || line->sidedef[1] == NULL)
return false;
FLineIdIterator itr(id);
while ((i = itr.Next()) >= 0)
{
if (line->Index() == i)
continue;
if ((l=&level.lines[i]) != line && l->backsector)
{
// Get the thing's position along the source linedef
double pos;
DVector2 npos; // offsets from line
double den;
den = line->Delta().LengthSquared();
if (den == 0)
{
pos = 0;
npos.Zero();
}
else
{
double num = (thing->Pos().XY() - line->v1->fPos()) | line->Delta();
if (num <= 0)
{
pos = 0;
}
else if (num >= den)
{
pos = 1;
}
else
{
pos = num / den;
}
npos = thing->Pos().XY() - line->v1->fPos() - line->Delta() * pos;
}
// Get the angle between the two linedefs, for rotating
// orientation and velocity. Rotate 180 degrees, and flip
// the position across the exit linedef, if reversed.
DAngle angle = l->Delta().Angle() - line->Delta().Angle();
if (!reverse)
{
angle += 180.;
pos = 1 - pos;
}
// Sine, cosine of angle adjustment
double s = angle.Sin();
double c = angle.Cos();
DVector2 p;
// Rotate position along normal to match exit linedef
p.X = npos.X*c - npos.Y*s;
p.Y = npos.Y*c + npos.X*s;
// Interpolate position across the exit linedef
p += l->v1->fPos() + pos*l->Delta();
// Whether this is a player, and if so, a pointer to its player_t.
// Voodoo dolls are excluded by making sure thing->player->mo==thing.
player_t *player = thing->player && thing->player->mo == thing ?
thing->player : NULL;
// Whether walking towards first side of exit linedef steps down
bool stepdown = l->frontsector->floorplane.ZatPoint(p) < l->backsector->floorplane.ZatPoint(p);
// Height of thing above ground
double z = thing->Z() - thing->floorz;
// Side to exit the linedef on positionally.
//
// Notes:
//
// This flag concerns exit position, not momentum. Due to
// roundoff error, the thing can land on either the left or
// the right side of the exit linedef, and steps must be
// taken to make sure it does not end up on the wrong side.
//
// Exit momentum is always towards side 1 in a reversed
// teleporter, and always towards side 0 otherwise.
//
// Exiting positionally on side 1 is always safe, as far
// as avoiding oscillations and stuck-in-wall problems,
// but may not be optimum for non-reversed teleporters.
//
// Exiting on side 0 can cause oscillations if momentum
// is towards side 1, as it is with reversed teleporters.
//
// Exiting on side 1 slightly improves player viewing
// when going down a step on a non-reversed teleporter.
// Is this really still necessary with real math instead of imprecise trig tables?
#if 1
int side = reverse || (player && stepdown);
int fudge = FUDGEFACTOR;
double dx = line->Delta().X;
double dy = line->Delta().Y;
// Make sure we are on correct side of exit linedef.
while (P_PointOnLineSidePrecise(p, l) != side && --fudge >= 0)
{
if (fabs(dx) > fabs(dy))
p.Y -= (dx < 0) != side ? -1 : 1;
else
p.X += (dy < 0) != side ? -1 : 1;
}
#endif
// Adjust z position to be same height above ground as before.
// Ground level at the exit is measured as the higher of the
// two floor heights at the exit linedef.
z = z + l->sidedef[stepdown]->sector->floorplane.ZatPoint(p);
// Attempt to teleport, aborting if blocked
if (!P_TeleportMove (thing, DVector3(p, z), false))
{
return false;
}
if (thing == players[consoleplayer].camera)
{
R_ResetViewInterpolation ();
}
// Rotate thing's orientation according to difference in linedef angles
thing->Angles.Yaw += angle;
// Rotate thing's velocity to come out of exit just like it entered
p = thing->Vel.XY();
thing->Vel.X = p.X*c - p.Y*s;
thing->Vel.Y = p.Y*c + p.X*s;
// Adjust a player's view, in case there has been a height change
if (player && player->mo == thing)
{
// Adjust player's local copy of velocity
p = player->Vel;
player->Vel.X = p.X*c - p.Y*s;
player->Vel.Y = p.Y*c + p.X*s;
// Save the current deltaviewheight, used in stepping
double deltaviewheight = player->deltaviewheight;
// Clear deltaviewheight, since we don't want any changes now
player->deltaviewheight = 0;
// Set player's view according to the newly set parameters
P_CalcHeight(player);
// Reset the delta to have the same dynamics as before
player->deltaviewheight = deltaviewheight;
}
return true;
}
}
return false;
}
bool EV_Teleport (int tid, int tag, line_t *line, int side, AActor *thing, int flags)
{
AActor *searcher;
double z;
DAngle angle = 0.;
double s = 0, c = 0;
double vx = 0, vy = 0;
DAngle badangle = 0.;
if (thing == NULL)
{ // Teleport function called with an invalid actor
return false;
}
bool predicting = (thing->player && (thing->player->cheats & CF_PREDICTING));
if (thing->flags2 & MF2_NOTELEPORT)
{
return false;
}
if (side != 0)
{ // Don't teleport if hit back of line, so you can get out of teleporter.
return 0;
}
searcher = SelectTeleDest(tid, tag, predicting);
if (searcher == NULL)
{
return false;
}
// [RH] Lee Killough's changes for silent teleporters from BOOM
if ((flags & (TELF_ROTATEBOOM|TELF_ROTATEBOOMINVERSE)) && line)
{
// Get the angle between the exit thing and source linedef.
// Rotate 90 degrees, so that walking perpendicularly across
// teleporter linedef causes thing to exit in the direction
// indicated by the exit thing.
angle = line->Delta().Angle() - searcher->Angles.Yaw + 90.;
if (flags & TELF_ROTATEBOOMINVERSE) angle = -angle;
// Sine, cosine of angle adjustment
s = angle.Sin();
c = angle.Cos();
// Velocity of thing crossing teleporter linedef
vx = thing->Vel.X;
vy = thing->Vel.Y;
z = searcher->Z();
}
else if (searcher->IsKindOf (PClass::FindClass(NAME_TeleportDest2)))
{
z = searcher->Z();
}
else
{
z = ONFLOORZ;
}
if ((i_compatflags2 & COMPATF2_BADANGLES) && (thing->player != NULL))
{
badangle = 0.01;
}
if (P_Teleport (thing, DVector3(searcher->Pos(), z), searcher->Angles.Yaw + badangle, flags))
{
// [RH] Lee Killough's changes for silent teleporters from BOOM
if (line)
{
if (flags & (TELF_ROTATEBOOM| TELF_ROTATEBOOMINVERSE))
{
// Rotate thing according to difference in angles (or not - Boom got the direction wrong here.)
thing->Angles.Yaw += angle;
// Rotate thing's velocity to come out of exit just like it entered
thing->Vel.X = vx*c - vy*s;
thing->Vel.Y = vy*c + vx*s;
}
}
if (vx == 0 && vy == 0 && thing->player != NULL && thing->player->mo == thing && !predicting)
{
thing->player->mo->PlayIdle ();
}
return true;
}
return false;
}
void FGLRenderer::FillSimplePoly(FTexture *texture, FVector2 *points, int npoints,
double originx, double originy, double scalex, double scaley,
DAngle rotation, FDynamicColormap *colormap, int lightlevel)
{
if (npoints < 3)
{ // This is no polygon.
return;
}
FMaterial *gltexture = FMaterial::ValidateTexture(texture, false);
if (gltexture == NULL)
{
return;
}
FColormap cm;
cm = colormap;
// We cannot use the software light mode here because it doesn't properly calculate the light for 2D rendering.
SBYTE savedlightmode = glset.lightmode;
if (glset.lightmode == 8) glset.lightmode = 0;
gl_SetColor(lightlevel, 0, cm, 1.f);
glset.lightmode = savedlightmode;
gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);
int i;
bool dorotate = rotation != 0;
float cosrot = cos(rotation.Radians());
float sinrot = sin(rotation.Radians());
//float yoffs = GatheringWipeScreen ? 0 : LBOffset;
float uscale = float(1.f / (texture->GetScaledWidth() * scalex));
float vscale = float(1.f / (texture->GetScaledHeight() * scaley));
if (gltexture->tex->bHasCanvas)
{
vscale = 0 - vscale;
}
float ox = float(originx);
float oy = float(originy);
gl_RenderState.Apply();
FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
for (i = 0; i < npoints; ++i)
{
float u = points[i].X - 0.5f - ox;
float v = points[i].Y - 0.5f - oy;
if (dorotate)
{
float t = u;
u = t * cosrot - v * sinrot;
v = v * cosrot + t * sinrot;
}
ptr->Set(points[i].X, points[i].Y, 0, u*uscale, v*vscale);
ptr++;
}
GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_FAN);
}
int P_Thing_Warp(AActor *caller, AActor *reference, double xofs, double yofs, double zofs, DAngle angle, int flags, double heightoffset, double radiusoffset, DAngle pitch)
{
if (flags & WARPF_MOVEPTR)
{
AActor *temp = reference;
reference = caller;
caller = temp;
}
DVector3 old = caller->Pos();
int oldpgroup = caller->Sector->PortalGroup;
zofs += reference->Height * heightoffset;
if (!(flags & WARPF_ABSOLUTEANGLE))
{
angle += (flags & WARPF_USECALLERANGLE) ? caller->Angles.Yaw: reference->Angles.Yaw;
}
const double rad = radiusoffset * reference->radius;
const double s = angle.Sin();
const double c = angle.Cos();
if (!(flags & WARPF_ABSOLUTEPOSITION))
{
if (!(flags & WARPF_ABSOLUTEOFFSET))
{
double xofs1 = xofs;
// (borrowed from A_SpawnItemEx, assumed workable)
// in relative mode negative y values mean 'left' and positive ones mean 'right'
// This is the inverse orientation of the absolute mode!
xofs = xofs1 * c + yofs * s;
yofs = xofs1 * s - yofs * c;
}
if (flags & WARPF_TOFLOOR)
{
// set correct xy
// now the caller's floorz should be appropriate for the assigned xy-position
// assigning position again with.
// extra unlink, link and environment calculation
caller->SetOrigin(reference->Vec3Offset(xofs + rad * c, yofs + rad * s, 0.), true);
// The two-step process is important.
caller->SetZ(caller->floorz + zofs);
}
else
{
caller->SetOrigin(reference->Vec3Offset(xofs + rad * c, yofs + rad * s, zofs), true);
}
}
else // [MC] The idea behind "absolute" is meant to be "absolute". Override everything, just like A_SpawnItemEx's.
{
caller->SetOrigin(xofs + rad * c, yofs + rad * s, zofs, true);
if (flags & WARPF_TOFLOOR)
{
caller->SetZ(caller->floorz + zofs);
}
}
if ((flags & WARPF_NOCHECKPOSITION) || P_TestMobjLocation(caller))
{
if (flags & WARPF_TESTONLY)
{
caller->SetOrigin(old, true);
}
else
{
caller->Angles.Yaw = angle;
if (flags & WARPF_COPYPITCH)
caller->SetPitch(reference->Angles.Pitch, false);
if (pitch != 0)
caller->SetPitch(caller->Angles.Pitch + pitch, false);
if (flags & WARPF_COPYVELOCITY)
{
caller->Vel = reference->Vel;
}
if (flags & WARPF_STOP)
{
caller->Vel.Zero();
}
// this is no fun with line portals
if (flags & WARPF_WARPINTERPOLATION)
{
// This just translates the movement but doesn't change the vector
DVector3 displacedold = old + Displacements.getOffset(oldpgroup, caller->Sector->PortalGroup);
caller->Prev += caller->Pos() - displacedold;
caller->PrevPortalGroup = caller->Sector->PortalGroup;
}
else if (flags & WARPF_COPYINTERPOLATION)
{
// Map both positions of the reference actor to the current portal group
DVector3 displacedold = old + Displacements.getOffset(reference->PrevPortalGroup, caller->Sector->PortalGroup);
DVector3 displacedref = old + Displacements.getOffset(reference->Sector->PortalGroup, caller->Sector->PortalGroup);
caller->Prev = caller->Pos() + displacedold - displacedref;
caller->PrevPortalGroup = caller->Sector->PortalGroup;
}
else if (!(flags & WARPF_INTERPOLATE))
{
caller->ClearInterpolation();
}
if ((flags & WARPF_BOB) && (reference->flags2 & MF2_FLOATBOB))
{
caller->AddZ(reference->GetBobOffset());
}
}
return true;
}
caller->SetOrigin(old, true);
return false;
}
void RenderPolyWallSprite::Render(const TriMatrix &worldToClip, AActor *thing, subsector_t *sub, uint32_t subsectorDepth)
{
if (RenderPolySprite::IsThingCulled(thing))
return;
DVector3 pos = thing->InterpolatedPosition(r_TicFracF);
pos.Z += thing->GetBobOffset(r_TicFracF);
bool flipTextureX = false;
FTexture *tex = RenderPolySprite::GetSpriteTexture(thing, flipTextureX);
if (tex == nullptr)
return;
DVector2 spriteScale = thing->Scale;
double thingxscalemul = spriteScale.X / tex->Scale.X;
double thingyscalemul = spriteScale.Y / tex->Scale.Y;
double spriteHeight = thingyscalemul * tex->GetHeight();
DAngle ang = thing->Angles.Yaw + 90;
double angcos = ang.Cos();
double angsin = ang.Sin();
// Determine left and right edges of sprite. The sprite's angle is its normal,
// so the edges are 90 degrees each side of it.
double x2 = tex->GetScaledWidth() * spriteScale.X;
double x1 = tex->GetScaledLeftOffset() * spriteScale.X;
DVector2 left, right;
left.X = pos.X - x1 * angcos;
left.Y = pos.Y - x1 * angsin;
right.X = left.X + x2 * angcos;
right.Y = right.Y + x2 * angsin;
//int scaled_to = tex->GetScaledTopOffset();
//int scaled_bo = scaled_to - tex->GetScaledHeight();
//gzt = pos.Z + scale.Y * scaled_to;
//gzb = pos.Z + scale.Y * scaled_bo;
DVector2 points[2] = { left, right };
TriVertex *vertices = PolyVertexBuffer::GetVertices(4);
if (!vertices)
return;
bool foggy = false;
int actualextralight = foggy ? 0 : extralight << 4;
std::pair<float, float> offsets[4] =
{
{ 0.0f, 1.0f },
{ 1.0f, 1.0f },
{ 1.0f, 0.0f },
{ 0.0f, 0.0f },
};
for (int i = 0; i < 4; i++)
{
auto &p = (i == 0 || i == 3) ? points[0] : points[1];
vertices[i].x = (float)p.X;
vertices[i].y = (float)p.Y;
vertices[i].z = (float)(pos.Z + spriteHeight * offsets[i].second);
vertices[i].w = 1.0f;
vertices[i].varying[0] = (float)(offsets[i].first * tex->Scale.X);
vertices[i].varying[1] = (float)((1.0f - offsets[i].second) * tex->Scale.Y);
if (flipTextureX)
vertices[i].varying[0] = 1.0f - vertices[i].varying[0];
}
bool fullbrightSprite = ((thing->renderflags & RF_FULLBRIGHT) || (thing->flags5 & MF5_BRIGHT));
TriUniforms uniforms;
if (fullbrightSprite || fixedlightlev >= 0 || fixedcolormap)
{
uniforms.light = 256;
uniforms.flags = TriUniforms::fixed_light;
}
else
{
uniforms.light = (uint32_t)((thing->Sector->lightlevel + actualextralight) / 255.0f * 256.0f);
uniforms.flags = 0;
}
uniforms.subsectorDepth = subsectorDepth;
PolyDrawArgs args;
args.uniforms = uniforms;
args.objectToClip = &worldToClip;
args.vinput = vertices;
args.vcount = 4;
args.mode = TriangleDrawMode::Fan;
args.ccw = true;
args.stenciltestvalue = 0;
args.stencilwritevalue = 1;
args.SetTexture(tex);
args.SetColormap(sub->sector->ColorMap);
PolyTriangleDrawer::draw(args, TriDrawVariant::DrawSubsector, TriBlendMode::AlphaBlend);
}
void P_RunEffect (AActor *actor, int effects)
{
DAngle moveangle = actor->Vel.Angle();
FParticle *particle;
int i;
if ((effects & FX_ROCKET) && (cl_rockettrails & 1))
{
// Rocket trail
double backx = -actor->radius * 2 * moveangle.Cos();
double backy = -actor->radius * 2 * moveangle.Sin();
double backz = actor->Height * ((2. / 3) - actor->Vel.Z / 8);
DAngle an = moveangle + 90.;
double speed;
particle = JitterParticle (actor->Level, 3 + (M_Random() & 31));
if (particle) {
double pathdist = M_Random() / 256.;
DVector3 pos = actor->Vec3Offset(
backx - actor->Vel.X * pathdist,
backy - actor->Vel.Y * pathdist,
backz - actor->Vel.Z * pathdist);
particle->Pos = pos;
speed = (M_Random () - 128) * (1./200);
particle->Vel.X += speed * an.Cos();
particle->Vel.Y += speed * an.Sin();
particle->Vel.Z -= 1./36;
particle->Acc.Z -= 1./20;
particle->color = yellow;
particle->size = 2;
}
for (i = 6; i; i--) {
FParticle *particle = JitterParticle (actor->Level, 3 + (M_Random() & 31));
if (particle) {
double pathdist = M_Random() / 256.;
DVector3 pos = actor->Vec3Offset(
backx - actor->Vel.X * pathdist,
backy - actor->Vel.Y * pathdist,
backz - actor->Vel.Z * pathdist + (M_Random() / 64.));
particle->Pos = pos;
speed = (M_Random () - 128) * (1./200);
particle->Vel.X += speed * an.Cos();
particle->Vel.Y += speed * an.Sin();
particle->Vel.Z += 1. / 80;
particle->Acc.Z += 1. / 40;
if (M_Random () & 7)
particle->color = grey2;
else
particle->color = grey1;
particle->size = 3;
} else
break;
}
}
if ((effects & FX_GRENADE) && (cl_rockettrails & 1))
{
// Grenade trail
DVector3 pos = actor->Vec3Angle(-actor->radius * 2, moveangle, -actor->Height * actor->Vel.Z / 8 + actor->Height * (2. / 3));
P_DrawSplash2 (actor->Level, 6, pos, moveangle + 180, 2, 2);
}
if (actor->fountaincolor)
{
// Particle fountain
static const int *fountainColors[16] =
{ &black, &black,
&red, &red1,
&green, &green1,
&blue, &blue1,
&yellow, &yellow1,
&purple, &purple1,
&black, &grey3,
&grey4, &white
};
int color = actor->fountaincolor*2;
MakeFountain (actor, *fountainColors[color], *fountainColors[color+1]);
}
if (effects & FX_RESPAWNINVUL)
{
// Respawn protection
static const int *protectColors[2] = { &yellow1, &white };
for (i = 3; i > 0; i--)
{
particle = JitterParticle (actor->Level, 16);
if (particle != NULL)
{
DAngle ang = M_Random() * (360 / 256.);
DVector3 pos = actor->Vec3Angle(actor->radius, ang, 0);
particle->Pos = pos;
particle->color = *protectColors[M_Random() & 1];
particle->Vel.Z = 1;
particle->Acc.Z = M_Random () / 512.;
particle->size = 1;
if (M_Random () < 128)
{ // make particle fall from top of actor
particle->Pos.Z += actor->Height;
particle->Vel.Z = -particle->Vel.Z;
particle->Acc.Z = -particle->Acc.Z;
}
}
}
}
}
bool P_Teleport (AActor *thing, DVector3 pos, DAngle angle, int flags)
{
bool predicting = (thing->player && (thing->player->cheats & CF_PREDICTING));
DVector3 old;
double aboveFloor;
player_t *player;
sector_t *destsect;
bool resetpitch = false;
double floorheight, ceilingheight;
double missilespeed = 0;
old = thing->Pos();
aboveFloor = thing->Z() - thing->floorz;
destsect = P_PointInSector (pos);
// killough 5/12/98: exclude voodoo dolls:
player = thing->player;
if (player && player->mo != thing)
player = NULL;
floorheight = destsect->floorplane.ZatPoint (pos);
ceilingheight = destsect->ceilingplane.ZatPoint (pos);
if (thing->flags & MF_MISSILE)
{ // We don't measure z velocity, because it doesn't change.
missilespeed = thing->VelXYToSpeed();
}
if (flags & TELF_KEEPHEIGHT)
{
pos.Z = floorheight + aboveFloor;
}
else if (pos.Z == ONFLOORZ)
{
if (player)
{
if (thing->flags & MF_NOGRAVITY && aboveFloor)
{
pos.Z = floorheight + aboveFloor;
if (pos.Z + thing->Height > ceilingheight)
{
pos.Z = ceilingheight - thing->Height;
}
}
else
{
pos.Z = floorheight;
if (!(flags & TELF_KEEPORIENTATION))
{
resetpitch = false;
}
}
}
else if (thing->flags & MF_MISSILE)
{
pos.Z = floorheight + aboveFloor;
if (pos.Z + thing->Height > ceilingheight)
{
pos.Z = ceilingheight - thing->Height;
}
}
else
{
pos.Z = floorheight;
}
}
if (!P_TeleportMove (thing, pos, false))
{
return false;
}
if (player)
{
player->viewz = thing->Z() + player->viewheight;
if (resetpitch)
{
player->mo->Angles.Pitch = 0.;
}
}
if (!(flags & TELF_KEEPORIENTATION))
{
thing->Angles.Yaw = angle;
}
else
{
angle = thing->Angles.Yaw;
}
// Spawn teleport fog at source and destination
if ((flags & TELF_SOURCEFOG) && !predicting)
{
P_SpawnTeleportFog(thing, old, true, true); //Passes the actor through which then pulls the TeleFog metadata types based on properties.
}
if (flags & TELF_DESTFOG)
{
if (!predicting)
{
DVector2 vector = angle.ToVector(20);
DVector2 fogpos = P_GetOffsetPosition(pos.X, pos.Y, vector.X, vector.Y);
P_SpawnTeleportFog(thing, DVector3(fogpos, thing->Z()), false, true);
}
if (thing->player)
{
// [RH] Zoom player's field of vision
// [BC] && bHaltVelocity.
if (telezoom && thing->player->mo == thing && !(flags & TELF_KEEPVELOCITY))
thing->player->FOV = MIN (175.f, thing->player->DesiredFOV + 45.f);
}
}
// [BC] && bHaltVelocity.
if (thing->player && ((flags & TELF_DESTFOG) || !(flags & TELF_KEEPORIENTATION)) && !(flags & TELF_KEEPVELOCITY))
{
// Freeze player for about .5 sec
if (thing->Inventory == NULL || !thing->Inventory->GetNoTeleportFreeze())
thing->reactiontime = 18;
}
if (thing->flags & MF_MISSILE)
{
thing->VelFromAngle(missilespeed);
}
// [BC] && bHaltVelocity.
else if (!(flags & TELF_KEEPORIENTATION) && !(flags & TELF_KEEPVELOCITY))
{ // no fog doesn't alter the player's momentum
thing->Vel.Zero();
// killough 10/98: kill all bobbing velocity too
if (player) player->Vel.Zero();
}
return true;
}
void RenderWallSprite::Project(RenderThread *thread, AActor *thing, const DVector3 &pos, FTexture *pic, const DVector2 &scale, int renderflags, int spriteshade, bool foggy, FDynamicColormap *basecolormap)
{
FWallCoords wallc;
double x1, x2;
DVector2 left, right;
double gzb, gzt, tz;
DAngle ang = thing->Angles.Yaw + 90;
double angcos = ang.Cos();
double angsin = ang.Sin();
// Determine left and right edges of sprite. The sprite's angle is its normal,
// so the edges are 90 degrees each side of it.
x2 = pic->GetScaledWidth();
x1 = pic->GetScaledLeftOffsetSW();
x1 *= scale.X;
x2 *= scale.X;
left.X = pos.X - x1 * angcos - thread->Viewport->viewpoint.Pos.X;
left.Y = pos.Y - x1 * angsin - thread->Viewport->viewpoint.Pos.Y;
right.X = left.X + x2 * angcos;
right.Y = left.Y + x2 * angsin;
// Is it off-screen?
if (wallc.Init(thread, left, right, TOO_CLOSE_Z))
return;
RenderPortal *renderportal = thread->Portal.get();
if (wallc.sx1 >= renderportal->WindowRight || wallc.sx2 <= renderportal->WindowLeft)
return;
// Sprite sorting should probably treat these as walls, not sprites,
// but right now, I just want to get them drawing.
tz = (pos.X - thread->Viewport->viewpoint.Pos.X) * thread->Viewport->viewpoint.TanCos + (pos.Y - thread->Viewport->viewpoint.Pos.Y) * thread->Viewport->viewpoint.TanSin;
int scaled_to = pic->GetScaledTopOffsetSW();
int scaled_bo = scaled_to - pic->GetScaledHeight();
gzt = pos.Z + scale.Y * scaled_to;
gzb = pos.Z + scale.Y * scaled_bo;
RenderWallSprite *vis = thread->FrameMemory->NewObject<RenderWallSprite>();
vis->CurrentPortalUniq = renderportal->CurrentPortalUniq;
vis->x1 = wallc.sx1 < renderportal->WindowLeft ? renderportal->WindowLeft : wallc.sx1;
vis->x2 = wallc.sx2 >= renderportal->WindowRight ? renderportal->WindowRight : wallc.sx2;
vis->yscale = (float)scale.Y;
vis->idepth = float(1 / tz);
vis->depth = (float)tz;
vis->sector = thing->Sector;
vis->heightsec = NULL;
vis->gpos = { (float)pos.X, (float)pos.Y, (float)pos.Z };
vis->gzb = (float)gzb;
vis->gzt = (float)gzt;
vis->deltax = float(pos.X - thread->Viewport->viewpoint.Pos.X);
vis->deltay = float(pos.Y - thread->Viewport->viewpoint.Pos.Y);
vis->renderflags = renderflags;
if (thing->flags5 & MF5_BRIGHT) vis->renderflags |= RF_FULLBRIGHT; // kg3D
vis->RenderStyle = thing->RenderStyle;
vis->FillColor = thing->fillcolor;
vis->Translation = thing->Translation;
vis->FakeFlatStat = WaterFakeSide::Center;
vis->Alpha = float(thing->Alpha);
vis->fakefloor = NULL;
vis->fakeceiling = NULL;
//vis->bInMirror = renderportal->MirrorFlags & RF_XFLIP;
vis->pic = pic;
vis->wallc = wallc;
vis->foggy = foggy;
vis->Light.SetColormap(thread->Light->SpriteGlobVis(foggy) / MAX(tz, MINZ), spriteshade, basecolormap, false, false, false);
thread->SpriteList->Push(vis);
}
void RenderPolyWallSprite::Render(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, AActor *thing, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue)
{
if (RenderPolySprite::IsThingCulled(thing))
return;
const auto &viewpoint = PolyRenderer::Instance()->Viewpoint;
DVector3 pos = thing->InterpolatedPosition(viewpoint.TicFrac);
pos.Z += thing->GetBobOffset(viewpoint.TicFrac);
bool flipTextureX = false;
FTexture *tex = RenderPolySprite::GetSpriteTexture(thing, flipTextureX);
if (tex == nullptr || tex->UseType == FTexture::TEX_Null)
return;
DVector2 spriteScale = thing->Scale;
double thingxscalemul = spriteScale.X / tex->Scale.X;
double thingyscalemul = spriteScale.Y / tex->Scale.Y;
double spriteHeight = thingyscalemul * tex->GetHeight();
DAngle ang = thing->Angles.Yaw + 90;
double angcos = ang.Cos();
double angsin = ang.Sin();
// Determine left and right edges of sprite. The sprite's angle is its normal,
// so the edges are 90 degrees each side of it.
double x2 = tex->GetScaledWidth() * spriteScale.X;
double x1 = tex->GetScaledLeftOffset() * spriteScale.X;
DVector2 left, right;
left.X = pos.X - x1 * angcos;
left.Y = pos.Y - x1 * angsin;
right.X = left.X + x2 * angcos;
right.Y = left.Y + x2 * angsin;
//int scaled_to = tex->GetScaledTopOffset();
//int scaled_bo = scaled_to - tex->GetScaledHeight();
//gzt = pos.Z + scale.Y * scaled_to;
//gzb = pos.Z + scale.Y * scaled_bo;
DVector2 points[2] = { left, right };
TriVertex *vertices = PolyRenderer::Instance()->FrameMemory.AllocMemory<TriVertex>(4);
bool foggy = false;
int actualextralight = foggy ? 0 : viewpoint.extralight << 4;
std::pair<float, float> offsets[4] =
{
{ 0.0f, 1.0f },
{ 1.0f, 1.0f },
{ 1.0f, 0.0f },
{ 0.0f, 0.0f },
};
for (int i = 0; i < 4; i++)
{
auto &p = (i == 0 || i == 3) ? points[0] : points[1];
vertices[i].x = (float)p.X;
vertices[i].y = (float)p.Y;
vertices[i].z = (float)(pos.Z + spriteHeight * offsets[i].second);
vertices[i].w = 1.0f;
vertices[i].u = (float)(offsets[i].first * tex->Scale.X);
vertices[i].v = (float)((1.0f - offsets[i].second) * tex->Scale.Y);
if (flipTextureX)
vertices[i].u = 1.0f - vertices[i].u;
}
bool fullbrightSprite = ((thing->renderflags & RF_FULLBRIGHT) || (thing->flags5 & MF5_BRIGHT));
int lightlevel = fullbrightSprite ? 255 : thing->Sector->lightlevel + actualextralight;
PolyDrawArgs args;
args.SetLight(GetColorTable(sub->sector->Colormap, sub->sector->SpecialColors[sector_t::sprites], true), lightlevel, PolyRenderer::Instance()->Light.WallGlobVis(foggy), fullbrightSprite);
args.SetTransform(&worldToClip);
args.SetFaceCullCCW(true);
args.SetStencilTestValue(stencilValue);
args.SetTexture(tex);
args.SetClipPlane(clipPlane);
args.SetSubsectorDepthTest(true);
args.SetWriteSubsectorDepth(false);
args.SetWriteStencil(false);
args.SetStyle(TriBlendMode::TextureMasked);
args.DrawArray(vertices, 4, PolyDrawMode::TriangleFan);
}
void HWDrawInfo::GetDynSpriteLight(AActor *self, float x, float y, float z, FLightNode *node, int portalgroup, float *out)
{
FDynamicLight *light;
float frac, lr, lg, lb;
float radius;
out[0] = out[1] = out[2] = 0.f;
// Go through both light lists
while (node)
{
light=node->lightsource;
if (light->ShouldLightActor(self))
{
float dist;
FVector3 L;
// This is a performance critical section of code where we cannot afford to let the compiler decide whether to inline the function or not.
// This will do the calculations explicitly rather than calling one of AActor's utility functions.
if (Level->Displacements.size > 0)
{
int fromgroup = light->Sector->PortalGroup;
int togroup = portalgroup;
if (fromgroup == togroup || fromgroup == 0 || togroup == 0) goto direct;
DVector2 offset = Level->Displacements.getOffset(fromgroup, togroup);
L = FVector3(x - (float)(light->X() + offset.X), y - (float)(light->Y() + offset.Y), z - (float)light->Z());
}
else
{
direct:
L = FVector3(x - (float)light->X(), y - (float)light->Y(), z - (float)light->Z());
}
dist = (float)L.LengthSquared();
radius = light->GetRadius();
if (dist < radius * radius)
{
dist = sqrtf(dist); // only calculate the square root if we really need it.
frac = 1.0f - (dist / radius);
if (light->IsSpot())
{
L *= -1.0f / dist;
DAngle negPitch = -*light->pPitch;
DAngle Angle = light->target->Angles.Yaw;
double xyLen = negPitch.Cos();
double spotDirX = -Angle.Cos() * xyLen;
double spotDirY = -Angle.Sin() * xyLen;
double spotDirZ = -negPitch.Sin();
double cosDir = L.X * spotDirX + L.Y * spotDirY + L.Z * spotDirZ;
frac *= (float)smoothstep(light->pSpotOuterAngle->Cos(), light->pSpotInnerAngle->Cos(), cosDir);
}
if (frac > 0 && (!light->shadowmapped || screen->mShadowMap.ShadowTest(light, { x, y, z })))
{
lr = light->GetRed() / 255.0f;
lg = light->GetGreen() / 255.0f;
lb = light->GetBlue() / 255.0f;
if (light->IsSubtractive())
{
float bright = (float)FVector3(lr, lg, lb).Length();
FVector3 lightColor(lr, lg, lb);
lr = (bright - lr) * -1;
lg = (bright - lg) * -1;
lb = (bright - lb) * -1;
}
out[0] += lr * frac;
out[1] += lg * frac;
out[2] += lb * frac;
}
}
}
node = node->nextLight;
}
}
