// angledelta()
static float AngleDelta(float a)
{
a = Mathlib.AngleMod(a);
if (a > 180)
{
a -= 360;
}
return(a);
}
// CL_AdjustAngles
//
// Moves the local angle positions
static void AdjustAngles()
{
float speed = (float)Host.FrameTime;
if (ClientInput.SpeedBtn.IsDown)
{
speed *= _AngleSpeedKey.Value;
}
if (!ClientInput.StrafeBtn.IsDown)
{
Cl.viewangles.Y -= speed * _YawSpeed.Value * KeyState(ref ClientInput.RightBtn);
Cl.viewangles.Y += speed * _YawSpeed.Value * KeyState(ref ClientInput.LeftBtn);
Cl.viewangles.Y = Mathlib.AngleMod(Cl.viewangles.Y);
}
if (ClientInput.KLookBtn.IsDown)
{
View.StopPitchDrift();
Cl.viewangles.X -= speed * _PitchSpeed.Value * KeyState(ref ClientInput.ForwardBtn);
Cl.viewangles.X += speed * _PitchSpeed.Value * KeyState(ref ClientInput.BackBtn);
}
float up = KeyState(ref ClientInput.LookUpBtn);
float down = KeyState(ref ClientInput.LookDownBtn);
Cl.viewangles.X -= speed * _PitchSpeed.Value * up;
Cl.viewangles.X += speed * _PitchSpeed.Value * down;
if (up != 0 || down != 0)
{
View.StopPitchDrift();
}
if (Cl.viewangles.X > 80)
{
Cl.viewangles.X = 80;
}
if (Cl.viewangles.X < -70)
{
Cl.viewangles.X = -70;
}
if (Cl.viewangles.Z > 50)
{
Cl.viewangles.Z = 50;
}
if (Cl.viewangles.Z < -50)
{
Cl.viewangles.Z = -50;
}
}
/*
* ==============
* PF_changeyaw
*
* This was a major timewaster in progs, so it was converted to C
* ==============
*/
public static void PF_changeyaw()
{
edict_t ent = Server.ProgToEdict(Progs.GlobalStruct.self);
float current = Mathlib.AngleMod(ent.v.angles.y);
float ideal = ent.v.ideal_yaw;
float speed = ent.v.yaw_speed;
if (current == ideal)
{
return;
}
float move = ideal - current;
if (ideal > current)
{
if (move >= 180)
{
move = move - 360;
}
}
else
{
if (move <= -180)
{
move = move + 360;
}
}
if (move > 0)
{
if (move > speed)
{
move = speed;
}
}
else
{
if (move < -speed)
{
move = -speed;
}
}
ent.v.angles.y = Mathlib.AngleMod(current + move);
}
/// <summary>
/// CL_RelinkEntities
/// </summary>
static void RelinkEntities()
{
// determine partial update time
float frac = LerpPoint();
NumVisEdicts = 0;
//
// interpolate player info
//
Cl.velocity = Cl.mvelocity[1] + frac * (Cl.mvelocity[0] - Cl.mvelocity[1]);
if (Cls.demoplayback)
{
// interpolate the angles
Vector3 angleDelta = Cl.mviewangles[0] - Cl.mviewangles[1];
Mathlib.CorrectAngles180(ref angleDelta);
Cl.viewangles = Cl.mviewangles[1] + frac * angleDelta;
}
float bobjrotate = Mathlib.AngleMod(100 * Cl.time);
// start on the entity after the world
for (int i = 1; i < Cl.num_entities; i++)
{
Entity ent = _Entities[i];
if (ent.model == null)
{
// empty slot
if (ent.forcelink)
{
Render.RemoveEfrags(ent); // just became empty
}
continue;
}
// if the object wasn't included in the last packet, remove it
if (ent.msgtime != Cl.mtime[0])
{
ent.model = null;
continue;
}
Vector3 oldorg = ent.origin;
if (ent.forcelink)
{
// the entity was not updated in the last message
// so move to the final spot
ent.origin = ent.msg_origins[0];
ent.angles = ent.msg_angles[0];
}
else
{
// if the delta is large, assume a teleport and don't lerp
float f = frac;
Vector3 delta = ent.msg_origins[0] - ent.msg_origins[1];
if (Math.Abs(delta.X) > 100 || Math.Abs(delta.Y) > 100 || Math.Abs(delta.Z) > 100)
{
f = 1; // assume a teleportation, not a motion
}
// interpolate the origin and angles
ent.origin = ent.msg_origins[1] + f * delta;
Vector3 angleDelta = ent.msg_angles[0] - ent.msg_angles[1];
Mathlib.CorrectAngles180(ref angleDelta);
ent.angles = ent.msg_angles[1] + f * angleDelta;
}
// rotate binary objects locally
if ((ent.model.flags & EF.EF_ROTATE) != 0)
{
ent.angles.Y = bobjrotate;
}
if ((ent.effects & EntityEffects.EF_BRIGHTFIELD) != 0)
{
Render.EntityParticles(ent);
}
if ((ent.effects & EntityEffects.EF_MUZZLEFLASH) != 0)
{
DynamicLight dl = AllocDlight(i);
dl.origin = ent.origin;
dl.origin.Z += 16;
Vector3 fv, rv, uv;
Mathlib.AngleVectors(ref ent.angles, out fv, out rv, out uv);
dl.origin += fv * 18;
dl.radius = 200 + (Sys.Random() & 31);
dl.minlight = 32;
dl.die = (float)Cl.time + 0.1f;
}
if ((ent.effects & EntityEffects.EF_BRIGHTLIGHT) != 0)
{
DynamicLight dl = AllocDlight(i);
dl.origin = ent.origin;
dl.origin.Z += 16;
dl.radius = 400 + (Sys.Random() & 31);
dl.die = (float)Cl.time + 0.001f;
}
if ((ent.effects & EntityEffects.EF_DIMLIGHT) != 0)
{
DynamicLight dl = AllocDlight(i);
dl.origin = ent.origin;
dl.radius = 200 + (Sys.Random() & 31);
dl.die = (float)Cl.time + 0.001f;
}
if ((ent.model.flags & EF.EF_GIB) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 2);
}
else if ((ent.model.flags & EF.EF_ZOMGIB) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 4);
}
else if ((ent.model.flags & EF.EF_TRACER) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 3);
}
else if ((ent.model.flags & EF.EF_TRACER2) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 5);
}
else if ((ent.model.flags & EF.EF_ROCKET) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 0);
DynamicLight dl = AllocDlight(i);
dl.origin = ent.origin;
dl.radius = 200;
dl.die = (float)Cl.time + 0.01f;
}
else if ((ent.model.flags & EF.EF_GRENADE) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 1);
}
else if ((ent.model.flags & EF.EF_TRACER3) != 0)
{
Render.RocketTrail(ref oldorg, ref ent.origin, 6);
}
ent.forcelink = false;
if (i == Cl.viewentity && !Chase.IsActive)
{
continue;
}
if (NumVisEdicts < MAX_VISEDICTS)
{
_VisEdicts[NumVisEdicts] = ent;
NumVisEdicts++;
}
}
}
/// <summary>
/// SV_NewChaseDir
/// </summary>
static void NewChaseDir(edict_t actor, edict_t enemy, float dist)
{
float olddir = Mathlib.AngleMod((int)(actor.v.ideal_yaw / 45) * 45);
float turnaround = Mathlib.AngleMod(olddir - 180);
float deltax = enemy.v.origin.x - actor.v.origin.x;
float deltay = enemy.v.origin.y - actor.v.origin.y;
v3f d;
if (deltax > 10)
{
d.y = 0;
}
else if (deltax < -10)
{
d.y = 180;
}
else
{
d.y = DI_NODIR;
}
if (deltay < -10)
{
d.z = 270;
}
else if (deltay > 10)
{
d.z = 90;
}
else
{
d.z = DI_NODIR;
}
// try direct route
float tdir;
if (d.y != DI_NODIR && d.z != DI_NODIR)
{
if (d.y == 0)
{
tdir = (d.z == 90 ? 45 : 315);
}
else
{
tdir = (d.z == 90 ? 135 : 215);
}
if (tdir != turnaround && StepDirection(actor, tdir, dist))
{
return;
}
}
// try other directions
if (((Sys.Random() & 3) & 1) != 0 || Math.Abs(deltay) > Math.Abs(deltax))
{
tdir = d.y;
d.y = d.z;
d.z = tdir;
}
if (d.y != DI_NODIR && d.y != turnaround && StepDirection(actor, d.y, dist))
{
return;
}
if (d.z != DI_NODIR && d.z != turnaround && StepDirection(actor, d.z, dist))
{
return;
}
// there is no direct path to the player, so pick another direction
if (olddir != DI_NODIR && StepDirection(actor, olddir, dist))
{
return;
}
if ((Sys.Random() & 1) != 0) //randomly determine direction of search
{
for (tdir = 0; tdir <= 315; tdir += 45)
{
if (tdir != turnaround && StepDirection(actor, tdir, dist))
{
return;
}
}
}
else
{
for (tdir = 315; tdir >= 0; tdir -= 45)
{
if (tdir != turnaround && StepDirection(actor, tdir, dist))
{
return;
}
}
}
if (turnaround != DI_NODIR && StepDirection(actor, turnaround, dist))
{
return;
}
actor.v.ideal_yaw = olddir; // can't move
// if a bridge was pulled out from underneath a monster, it may not have
// a valid standing position at all
if (!CheckBottom(actor))
{
FixCheckBottom(actor);
}
}