mirror of
https://github.com/ClassiCube/ClassiCube.git
synced 2025-09-22 12:03:01 -04:00
275 lines
8.6 KiB
C#
275 lines
8.6 KiB
C#
using System;
|
|
using System.Drawing;
|
|
using ClassicalSharp.Renderers;
|
|
using OpenTK;
|
|
using OpenTK.Input;
|
|
|
|
namespace ClassicalSharp {
|
|
|
|
public class LocalPlayer : Player {
|
|
|
|
public Vector3 SpawnPoint;
|
|
|
|
public float ReachDistance = 5f;
|
|
|
|
public byte UserType;
|
|
bool canSpeed = true, canFly = true, canRespawn = true, canNoclip = true;
|
|
|
|
public bool CanSpeed {
|
|
get { return canSpeed; }
|
|
set { canSpeed = value; }
|
|
}
|
|
|
|
public bool CanFly {
|
|
get { return canFly; }
|
|
set { canFly = value; if( !value ) flying = false; }
|
|
}
|
|
|
|
public bool CanRespawn {
|
|
get { return canRespawn; }
|
|
set { canRespawn = value; }
|
|
}
|
|
|
|
public bool CanNoclip {
|
|
get { return canNoclip; }
|
|
set { canNoclip = value; if( !value ) noClip = false; }
|
|
}
|
|
|
|
float jumpVel = 0.42f;
|
|
public float JumpHeight {
|
|
get { return (float)GetMaxHeight( jumpVel ); }
|
|
}
|
|
|
|
public LocalPlayer( byte id, Game window ) : base( id, window ) {
|
|
DisplayName = window.Username;
|
|
SkinName = window.Username;
|
|
map = window.Map;
|
|
}
|
|
|
|
public override void SetLocation( LocationUpdate update, bool interpolate ) {
|
|
if( update.IncludesPosition ) {
|
|
nextPos = update.RelativePosition ? nextPos + update.Pos : update.Pos;
|
|
if( !interpolate ) {
|
|
lastPos = Position = nextPos;
|
|
}
|
|
}
|
|
if( update.IncludesOrientation ) {
|
|
nextYaw = update.Yaw;
|
|
nextPitch = update.Pitch;
|
|
if( !interpolate ) {
|
|
lastYaw = YawDegrees = nextYaw;
|
|
lastPitch = PitchDegrees = nextPitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
public override void Despawn() {
|
|
if( renderer != null ) {
|
|
renderer.Dispose();
|
|
}
|
|
}
|
|
|
|
public override void Tick( double delta ) {
|
|
if( Window.Map.IsNotLoaded ) return;
|
|
//Window.Title = ( GC.GetTotalMemory( false ) / 1024.0 / 1024.0 ).ToString(); // TODO: temp debug statement
|
|
|
|
float xMoving = 0, zMoving = 0;
|
|
lastPos = Position = nextPos;
|
|
lastYaw = nextYaw;
|
|
lastPitch = nextPitch;
|
|
HandleInput( ref xMoving, ref zMoving );
|
|
UpdateVelocityYState();
|
|
PhysicsTick( xMoving, zMoving );
|
|
nextPos = Position;
|
|
Position = lastPos;
|
|
UpdateAnimState( lastPos, nextPos, delta );
|
|
if( renderer != null ) {
|
|
CheckSkin();
|
|
}
|
|
}
|
|
|
|
public override void Render( double deltaTime, float t ) {
|
|
if( !Window.Camera.IsThirdPerson ) return;
|
|
if( renderer == null ) {
|
|
renderer = new PlayerRenderer( this, Window );
|
|
Window.AsyncDownloader.DownloadSkin( SkinName );
|
|
}
|
|
SetCurrentAnimState( t );
|
|
renderer.Render( deltaTime );
|
|
}
|
|
|
|
void HandleInput( ref float xMoving, ref float zMoving ) {
|
|
if( Window.ScreenLockedInput ) {
|
|
jumping = speeding = flyingUp = flyingDown = false;
|
|
} else {
|
|
if( Window.IsKeyDown( KeyMapping.Forward ) ) xMoving -= 0.98f;
|
|
if( Window.IsKeyDown( KeyMapping.Back ) ) xMoving += 0.98f;
|
|
if( Window.IsKeyDown( KeyMapping.Left ) ) zMoving -= 0.98f;
|
|
if( Window.IsKeyDown( KeyMapping.Right ) ) zMoving += 0.98f;
|
|
|
|
jumping = Window.IsKeyDown( KeyMapping.Jump );
|
|
speeding = canSpeed && Window.IsKeyDown( KeyMapping.Speed );
|
|
flyingUp = Window.IsKeyDown( KeyMapping.FlyUp );
|
|
flyingDown = Window.IsKeyDown( KeyMapping.FlyDown );
|
|
}
|
|
}
|
|
|
|
void UpdateVelocityYState() {
|
|
if( flying || noClip ) {
|
|
Velocity.Y = 0; // eliminate the effect of gravity
|
|
float vel = noClip ? 0.24f : 0.06f;
|
|
float velSpeeding = noClip ? 0.48f : 0.08f;
|
|
if( flyingUp || jumping ) {
|
|
Velocity.Y = speeding ? velSpeeding : vel;
|
|
} else if( flyingDown ) {
|
|
Velocity.Y = speeding ? -velSpeeding : -vel;
|
|
}
|
|
} else if( jumping && TouchesAnyRope() && Velocity.Y > 0.02f ) {
|
|
Velocity.Y = 0.02f;
|
|
}
|
|
|
|
if( jumping ) {
|
|
if( TouchesAnyWater() || TouchesAnyLava() ) {
|
|
Velocity.Y += speeding ? 0.08f : 0.04f;
|
|
} else if( TouchesAnyRope() ) {
|
|
Velocity.Y += speeding ? 0.15f : 0.10f;
|
|
} else if( onGround ) {
|
|
Velocity.Y = speeding ? jumpVel * 2 : jumpVel;
|
|
}
|
|
}
|
|
}
|
|
|
|
static Vector3 waterDrag = new Vector3( 0.8f, 0.8f, 0.8f ),
|
|
lavaDrag = new Vector3( 0.5f, 0.5f, 0.5f ),
|
|
ropeDrag = new Vector3( 0.5f, 0.85f, 0.5f ),
|
|
normalDrag = new Vector3( 0.91f, 0.98f, 0.91f ),
|
|
airDrag = new Vector3( 0.6f, 1f, 0.6f );
|
|
const float liquidGrav = 0.02f, ropeGrav = 0.034f, normalGrav = 0.08f;
|
|
void PhysicsTick( float xMoving, float zMoving ) {
|
|
float multiply = flying ? ( speeding ? 90 : 15 ) : ( speeding ? 10 : 1 );
|
|
|
|
if( TouchesAnyWater() && !flying && !noClip ) {
|
|
Move( xMoving, zMoving, 0.02f * multiply, waterDrag, liquidGrav, 1 );
|
|
} else if( TouchesAnyLava() && !flying && !noClip ) {
|
|
Move( xMoving, zMoving, 0.02f * multiply, lavaDrag, liquidGrav, 1 );
|
|
} else if( TouchesAnyRope() && !flying && !noClip ) {
|
|
Move( xMoving, zMoving, 0.02f * 1.7f, ropeDrag, ropeGrav, 1 );
|
|
} else {
|
|
float factor = !flying && onGround ? 0.1f : 0.02f;
|
|
float yMul = Math.Max( 1, multiply / 5f );
|
|
Move( xMoving, zMoving, factor * multiply, normalDrag, normalGrav, yMul );
|
|
|
|
if( BlockUnderFeet == Block.Ice ) {
|
|
Utils.Clamp( ref Velocity.X, -0.25f, 0.25f );
|
|
Utils.Clamp( ref Velocity.Z, -0.25f, 0.25f );
|
|
} else if( onGround || flying ) {
|
|
Velocity *= airDrag; // air drag or ground friction
|
|
}
|
|
}
|
|
}
|
|
|
|
void AdjHeadingVelocity( float x, float z, float factor ) {
|
|
float dist = (float)Math.Sqrt( x * x + z * z );
|
|
if( dist < 0.00001f ) return;
|
|
if( dist < 1 ) dist = 1;
|
|
|
|
float multiply = factor / dist;
|
|
x *= multiply;
|
|
z *= multiply;
|
|
float cosA = (float)Math.Cos( YawRadians );
|
|
float sinA = (float)Math.Sin( YawRadians );
|
|
Velocity.X += x * cosA - z * sinA;
|
|
Velocity.Z += x * sinA + z * cosA;
|
|
}
|
|
|
|
void Move( float xMoving, float zMoving, float factor, Vector3 drag, float gravity, float yMul ) {
|
|
AdjHeadingVelocity( zMoving, xMoving, factor );
|
|
Velocity.Y *= yMul;
|
|
if( !noClip )
|
|
MoveAndWallSlide();
|
|
Position += Velocity;
|
|
|
|
Velocity.Y /= yMul;
|
|
Velocity *= drag;
|
|
Velocity.Y -= gravity;
|
|
}
|
|
|
|
bool jumping, speeding, flying, noClip, flyingDown, flyingUp;
|
|
public void ParseHackFlags( string name, string motd ) {
|
|
string joined = name + motd;
|
|
if( joined.Contains( "-hax" ) ) {
|
|
CanFly = CanNoclip = CanSpeed = CanRespawn = false;
|
|
Window.CanUseThirdPersonCamera = false;
|
|
Window.SetCamera( false );
|
|
} else { // By default (this is also the case with WoM), we can use hacks.
|
|
CanFly = CanNoclip = CanSpeed = CanRespawn = true;
|
|
Window.CanUseThirdPersonCamera = true;
|
|
}
|
|
|
|
ParseFlag( b => CanFly = b, joined, "fly" );
|
|
ParseFlag( b => CanNoclip = b, joined, "noclip" );
|
|
ParseFlag( b => CanSpeed = b, joined, "speed" );
|
|
ParseFlag( b => CanRespawn = b, joined, "respawn" );
|
|
|
|
if( UserType == 0x64 ) {
|
|
ParseFlag( b => CanFly = CanNoclip = CanRespawn = CanSpeed = b, joined, "ophax" );
|
|
}
|
|
}
|
|
|
|
static void ParseFlag( Action<bool> action, string joined, string flag ) {
|
|
if( joined.Contains( "+" + flag ) ) {
|
|
action( true );
|
|
} else if( joined.Contains( "-" + flag ) ) {
|
|
action( false );
|
|
}
|
|
}
|
|
|
|
Vector3 lastPos, nextPos;
|
|
float lastYaw, nextYaw, lastPitch, nextPitch;
|
|
public void SetInterpPosition( float t ) {
|
|
Position = Vector3.Lerp( lastPos, nextPos, t );
|
|
YawDegrees = Utils.Lerp( lastYaw, nextYaw, t );
|
|
PitchDegrees = Utils.Lerp( lastPitch, nextPitch, t );
|
|
}
|
|
|
|
internal void HandleKeyDown( Key key ) {
|
|
if( key == Window.Keys[KeyMapping.Respawn] && canRespawn ) {
|
|
LocationUpdate update = LocationUpdate.MakePos( SpawnPoint, false );
|
|
SetLocation( update, false );
|
|
} else if( key == Window.Keys[KeyMapping.SetSpawn] && canRespawn ) {
|
|
SpawnPoint = Position;
|
|
} else if( key == Window.Keys[KeyMapping.Fly] && canFly ) {
|
|
flying = !flying;
|
|
} else if( key == Window.Keys[KeyMapping.NoClip] && canNoclip ) {
|
|
noClip = !noClip;
|
|
}
|
|
}
|
|
|
|
internal void CalculateJumpVelocity( float jumpHeight ) {
|
|
jumpVel = 0;
|
|
if( jumpHeight >= 256 ) jumpVel = 10.0f;
|
|
if( jumpHeight >= 512 ) jumpVel = 16.5f;
|
|
if( jumpHeight >= 768 ) jumpVel = 22.5f;
|
|
|
|
while( GetMaxHeight( jumpVel ) <= jumpHeight ) {
|
|
jumpVel += 0.01f;
|
|
}
|
|
}
|
|
|
|
static double GetMaxHeight( float u ) {
|
|
// equation below comes from solving diff(x(t, u))= 0
|
|
// We only work in discrete timesteps, so test both rounded up and down.
|
|
double t = 49.49831645 * Math.Log( 0.247483075 * u + 0.9899323 );
|
|
return Math.Max( YPosAt( (int)t, u ), YPosAt( (int)t + 1, u ) );
|
|
}
|
|
|
|
static double YPosAt( int t, float u ) {
|
|
// v(t, u) = (4 + u) * (0.98^t) - 4, where u = initial velocity
|
|
// x(t, u) = Σv(t, u) from 0 to t (since we work in discrete timesteps)
|
|
// plugging into Wolfram Alpha gives 1 equation as
|
|
// (0.98^t) * (-49u - 196) - 4t + 50u + 196
|
|
double a = Math.Exp( -0.0202027 * t ); //~0.98^t
|
|
return a * ( -49 * u - 196 ) - 4 * t + 50 * u + 196;
|
|
}
|
|
}
|
|
} |