Files
Vocaluxe/VocaluxeLib/Menu/CParticle.cs
T

646 lines
21 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Xml;
namespace Vocaluxe.Menu
{
struct SThemeParticleEffect
{
public string Name;
public string TextureName;
public string ColorName;
}
public enum EParticleType
{
Twinkle,
Star,
Snow,
Flare,
PerfNoteStar
}
class CParticle
{
#region private vars
private int _PartyModeID;
private string _TextureName;
private STexture _Texture;
private SRectF _Rect;
private float _Size;
private SColorF _Color;
private float _Alpha;
private float _Angle; //0..360°
private float _MaxAge; //[s]
private float _Age; //[s]
private float _Vx; //movement speed in x-axis [pix/s]
private float _Vy; //movement speed in y-axis [pix/s]
private float _Vr; //rotation speed [rpm]
private float _Rotation; //start rotation 0..360°
private float _Vsize; //size changing speed: period [s]
private float _LastTime;
private EParticleType _Type;
private Stopwatch _Timer;
#endregion private vars
#region public vars
//public bool Visible;
public float Alpha2 = 1f;
public float X
{
get { return _Rect.X; }
set { _Rect.X = value; }
}
public float Y
{
get { return _Rect.Y; }
set { _Rect.Y = value; }
}
public float Size
{
get { return _Size; }
set
{
_Rect.W = value;
_Rect.H = value;
_Size = value;
}
}
public float Alpha
{
get { return _Alpha; }
set { _Alpha = value; }
}
public SColorF Color
{
get { return _Color; }
set { _Color = value; }
}
public bool IsAlive
{
get { return (_Age < _MaxAge || _MaxAge == 0f); }
}
#endregion public vars
#region Constructors
public CParticle(int PartyModeID, string textureName, SColorF color, float x, float y, float size, float maxage, float z, float vx, float vy, float vr, float vsize, EParticleType type)
{
_PartyModeID = PartyModeID;
_TextureName = textureName;
_Texture = new STexture(-1);
_Color = color;
_Rect = new SRectF(x, y, size, size, z);
_Size = size;
_Alpha = 1f;
_Angle = 0f;
_Vx = vx;
_Vy = vy;
_Vr = vr;
_Vsize = vsize;
_LastTime = 0f;
_Type = type;
_Timer = new Stopwatch();
_Age = 0f;
_MaxAge = maxage;
_Rotation = (float)(CBase.Game.GetRandomDouble() * 360.0);
}
public CParticle(int PartyModeID, STexture texture, SColorF color, float x, float y, float size, float maxage, float z, float vx, float vy, float vr, float vsize, EParticleType type)
{
_PartyModeID = PartyModeID;
_TextureName = String.Empty;
_Texture = texture;
_Color = color;
_Rect = new SRectF(x, y, size, size, z);
_Size = size;
_Alpha = 1f;
_Angle = 0f;
_Vx = vx;
_Vy = vy;
_Vr = vr;
_Vsize = vsize;
_LastTime = 0f;
_Type = type;
_Timer = new Stopwatch();
_Age = 0f;
_MaxAge = maxage;
_Rotation = (float)(CBase.Game.GetRandomDouble() * 360.0);
}
#endregion Constructors
public void Update()
{
if (!IsAlive)
return;
if (!_Timer.IsRunning)
_Timer.Start();
float CurrentTime = _Timer.ElapsedMilliseconds / 1000f;
float timediff = CurrentTime - _LastTime;
_Age = CurrentTime;
// update alpha
if (_MaxAge > 0f)
{
switch (_Type)
{
case EParticleType.Twinkle:
_Alpha = 1f - _Age / _MaxAge;
break;
case EParticleType.Star:
_Alpha = 1f - _Age / _MaxAge;
break;
case EParticleType.Snow:
_Alpha = (float)Math.Sqrt((Math.Sin(_Age / _MaxAge * Math.PI * 2 - 0.5 * Math.PI) + 1) / 2);
break;
case EParticleType.Flare:
_Alpha = 1f - _Age / _MaxAge;
break;
case EParticleType.PerfNoteStar:
_Alpha = 1f - _Age / _MaxAge;
break;
default:
break;
}
}
// update position
switch (_Type)
{
case EParticleType.Twinkle:
X += _Vx * timediff;
Y += _Vy * timediff;
break;
case EParticleType.Star:
X += _Vx * timediff;
Y += _Vy * timediff;
break;
case EParticleType.Snow:
int maxy = (int)Math.Round(CBase.Settings.GetRenderH() - _Size * 0.4f);
if (Math.Round(Y) < maxy)
{
float vdx = 0f;
if (_Vx != 0)
vdx = (float)Math.Sin(CurrentTime / _Vx * Math.PI);
X += _Vx * timediff * (0.5f + vdx);
Y += _Vy * timediff * (vdx * vdx / 2f + 0.5f);
if (Y >= maxy)
Y = maxy;
}
break;
case EParticleType.Flare:
X += _Vx * timediff;
Y += _Vy * timediff;
break;
case EParticleType.PerfNoteStar:
X += _Vx * timediff;
Y += _Vy * timediff;
break;
default:
break;
}
// update size
if (_Vsize != 0f)
{
float size = _Size;
switch (_Type)
{
case EParticleType.Twinkle:
size = _Size * (1f - CurrentTime / _Vsize);
break;
case EParticleType.Star:
size = _Size * (1f - CurrentTime / _Vsize);
break;
case EParticleType.Snow:
size = _Size * (float)Math.Sqrt((Math.Sin(CurrentTime / _Vsize * Math.PI * 2 - 0.5 * Math.PI) + 1) / 2);
break;
case EParticleType.Flare:
size = _Size * (1f - CurrentTime / _Vsize);
break;
case EParticleType.PerfNoteStar:
size = _Size * (1f - CurrentTime / _Vsize);
break;
default:
break;
}
_Rect.X += (_Rect.W - size) / 2f;
_Rect.Y += (_Rect.H - size) / 2f;
_Rect.W = size;
_Rect.H = size;
}
// update rotation
if (_Vr != 0f)
{
float r = CurrentTime * _Vr / 60f;
_Angle = _Rotation + 360f * (r - (float)Math.Floor(r));
_Rect.Rotation = _Angle;
}
_LastTime = CurrentTime;
}
public void Pause()
{
_Timer.Stop();
}
public void Resume()
{
_Timer.Start();
}
public void Draw()
{
if (_TextureName.Length > 0)
CBase.Drawing.DrawTexture(CBase.Theme.GetSkinTexture(_TextureName, _PartyModeID), _Rect, new SColorF(_Color.R, _Color.G, _Color.B, _Color.A * Alpha2 * _Alpha));
else
CBase.Drawing.DrawTexture(_Texture, _Rect, new SColorF(_Color.R, _Color.G, _Color.B, _Color.A * Alpha2 * _Alpha));
}
}
public class CParticleEffect : IMenuElement
{
private int _PartyModeID;
private SThemeParticleEffect _Theme;
private bool _ThemeLoaded;
public STexture Texture;
public SColorF Color;
public SRectF Rect;
public bool Selected;
public bool Visible;
private List<CParticle> _Stars;
private int _MaxNumber;
private float _Size;
private EParticleType _Type;
private Stopwatch _SpawnTimer;
private float _NextSpawnTime;
public float Alpha = 1f;
public string GetThemeName()
{
return _Theme.Name;
}
public bool IsAlive
{
get
{
return (_Stars.Count > 0 || !_SpawnTimer.IsRunning);
}
}
public CParticleEffect(int PartyModeID)
{
_PartyModeID = PartyModeID;
_Theme = new SThemeParticleEffect();
_Stars = new List<CParticle>();
_SpawnTimer = new Stopwatch();
_NextSpawnTime = 0f;
Visible = true;
}
public CParticleEffect(int PartyModeID, int MaxNumber, SColorF Color, SRectF Rect, string TextureName, float Size, EParticleType Type)
{
_PartyModeID = PartyModeID;
_Theme = new SThemeParticleEffect();
_Stars = new List<CParticle>();
this.Rect = Rect;
this.Color = Color;
_Theme.TextureName = TextureName;
Texture = new STexture(-1);
_MaxNumber = MaxNumber;
_Size = Size;
_Type = Type;
_SpawnTimer = new Stopwatch();
_NextSpawnTime = 0f;
Visible = true;
}
public CParticleEffect(int PartyModeID, int MaxNumber, SColorF Color, SRectF Rect, STexture Texture, float Size, EParticleType Type)
{
_PartyModeID = PartyModeID;
_Theme = new SThemeParticleEffect();
_Stars = new List<CParticle>();
this.Rect = Rect;
this.Color = Color;
_Theme.TextureName = String.Empty;
this.Texture = Texture;
_MaxNumber = MaxNumber;
_Size = Size;
_Type = Type;
_SpawnTimer = new Stopwatch();
_NextSpawnTime = 0f;
Visible = true;
}
public bool LoadTheme(string XmlPath, string ElementName, CXMLReader xmlReader, int SkinIndex)
{
string item = XmlPath + "/" + ElementName;
_ThemeLoaded = true;
_ThemeLoaded &= xmlReader.GetValue(item + "/Skin", ref _Theme.TextureName, String.Empty);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/X", ref Rect.X);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/Y", ref Rect.Y);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/Z", ref Rect.Z);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/W", ref Rect.W);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/H", ref Rect.H);
if (xmlReader.GetValue(item + "/Color", ref _Theme.ColorName, String.Empty))
{
_ThemeLoaded &= CBase.Theme.GetColor(_Theme.ColorName, SkinIndex, ref Color);
}
else
{
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/R", ref Color.R);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/G", ref Color.G);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/B", ref Color.B);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/A", ref Color.A);
}
_ThemeLoaded &= xmlReader.TryGetEnumValue<EParticleType>(item + "/Type", ref _Type);
_ThemeLoaded &= xmlReader.TryGetFloatValue(item + "/Size", ref _Size);
_ThemeLoaded &= xmlReader.TryGetIntValue(item + "/MaxNumber", ref _MaxNumber);
if (_ThemeLoaded)
{
_Theme.Name = ElementName;
LoadTextures();
}
return _ThemeLoaded;
}
public bool SaveTheme(XmlWriter writer)
{
if (_ThemeLoaded)
{
writer.WriteStartElement(_Theme.Name);
writer.WriteComment("<Skin>: Texture name");
writer.WriteElementString("Skin", _Theme.TextureName);
writer.WriteComment("<X>, <Y>, <Z>, <W>, <H>: ParticleEffect position, width and height");
writer.WriteElementString("X", Rect.X.ToString("#0"));
writer.WriteElementString("Y", Rect.Y.ToString("#0"));
writer.WriteElementString("Z", Rect.Z.ToString("#0.00"));
writer.WriteElementString("W", Rect.W.ToString("#0"));
writer.WriteElementString("H", Rect.H.ToString("#0"));
writer.WriteComment("<Color>: ParticleEffect color from ColorScheme (high priority)");
writer.WriteComment("or <R>, <G>, <B>, <A> (lower priority)");
if (_Theme.ColorName.Length > 0)
{
writer.WriteElementString("Color", _Theme.ColorName);
}
else
{
writer.WriteElementString("R", Color.R.ToString("#0.00"));
writer.WriteElementString("G", Color.G.ToString("#0.00"));
writer.WriteElementString("B", Color.B.ToString("#0.00"));
writer.WriteElementString("A", Color.A.ToString("#0.00"));
}
writer.WriteComment("<Type>: Type of ParticleEffect: " + CHelper.ListStrings(Enum.GetNames(typeof(EParticleType))));
writer.WriteElementString("Type", Enum.GetName(typeof(EParticleType), _Type));
writer.WriteComment("<Size>: Size of particle");
writer.WriteElementString("Size", _Size.ToString("#0.00"));
writer.WriteComment("<MaxNumber>: Max number of drawn particles");
writer.WriteElementString("MaxNumber", _MaxNumber.ToString("#0"));
writer.WriteEndElement();
return true;
}
return false;
}
public void Update()
{
bool DoSpawn = false;
if (!_SpawnTimer.IsRunning)
{
_SpawnTimer.Start();
_NextSpawnTime = 0f;
DoSpawn = true;
}
if (_SpawnTimer.ElapsedMilliseconds / 1000f > _NextSpawnTime && _NextSpawnTime >= 0f)
{
DoSpawn = true;
_SpawnTimer.Reset();
_SpawnTimer.Start();
}
while (_Stars.Count < _MaxNumber && DoSpawn)
{
float size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
float lifetime = 0f;
float vx = 0f;
float vy = 0f;
float vr = 0f;
float vsize = 0f;
_NextSpawnTime = 0f;
switch (_Type)
{
case EParticleType.Twinkle:
size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
lifetime = CBase.Game.GetRandom(500) / 1000f + 0.5f;
vx = -CBase.Game.GetRandom(10000) / 50f + 100f;
vy = -CBase.Game.GetRandom(10000) / 50f + 100f;
vr = -CBase.Game.GetRandom(500) / 100f + 2.5f;
vsize = lifetime * 2f;
break;
case EParticleType.Star:
size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
lifetime = CBase.Game.GetRandom(1000) / 500f + 0.2f;
vx = -CBase.Game.GetRandom(1000) / 50f + 10f;
vy = -CBase.Game.GetRandom(1000) / 50f + 10f;
vr = -CBase.Game.GetRandom(500) / 100f + 2.5f;
vsize = lifetime * 2f;
break;
case EParticleType.Snow:
size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
lifetime = CBase.Game.GetRandom(5000) / 50f + 10f;
vx = -CBase.Game.GetRandom(1000) / 50f + 10f;
vy = CBase.Game.GetRandom(1000) / 50f + Math.Abs(vx) + 10f;
vr = -CBase.Game.GetRandom(200) / 50f + 2f;
vsize = lifetime * 2f;
_NextSpawnTime = lifetime / _MaxNumber;
DoSpawn = false;
break;
case EParticleType.Flare:
size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
lifetime = CBase.Game.GetRandom(500) / 1000f + 0.1f;
vx = -CBase.Game.GetRandom(2000) / 50f;
vy = -CBase.Game.GetRandom(2000) / 50f + 20f;
vr = -CBase.Game.GetRandom(2000) / 50f + 20f;
vsize = lifetime * 2f;
break;
case EParticleType.PerfNoteStar:
size = CBase.Game.GetRandom((int)_Size / 2) + _Size / 2;
lifetime = CBase.Game.GetRandom(1000) / 500f + 1.2f;
vx = 0f;
vy = 0f;
vr = CBase.Game.GetRandom(500) / 50f + 10f;
vsize = lifetime * 2f;
break;
default:
break;
}
int w = (int)(Rect.W - size / 4f);
int h = (int)(Rect.H - size / 4f);
if (w < 0)
w = 0;
if (h < 0)
h = 0;
CParticle star;
if (_Theme.TextureName.Length > 0)
{
star = new CParticle(_PartyModeID, _Theme.TextureName, Color,
CBase.Game.GetRandom(w) + Rect.X - size / 4f,
CBase.Game.GetRandom(h) + Rect.Y - size / 4f,
size, lifetime, Rect.Z, vx, vy, vr, vsize, _Type);
}
else
{
star = new CParticle(_PartyModeID, Texture, Color,
CBase.Game.GetRandom(w) + Rect.X - size / 4f,
CBase.Game.GetRandom(h) + Rect.Y - size / 4f,
size, lifetime, Rect.Z, vx, vy, vr, vsize, _Type);
}
_Stars.Add(star);
}
if (_Type == EParticleType.Flare || _Type == EParticleType.PerfNoteStar || _Type == EParticleType.Twinkle)
_NextSpawnTime = -1f;
int i = 0;
while (i < _Stars.Count)
{
_Stars[i].Update();
if (!_Stars[i].IsAlive)
{
_Stars.RemoveAt(i);
}
else
i++;
}
}
public void Pause()
{
foreach (CParticle star in _Stars)
{
star.Pause();
}
}
public void Resume()
{
foreach (CParticle star in _Stars)
{
star.Resume();
}
}
public void Draw()
{
Update();
foreach (CParticle star in _Stars)
{
star.Alpha2 = Alpha;
star.Draw();
}
}
public void UnloadTextures()
{
Texture = new STexture();
}
public void LoadTextures()
{
if (_Theme.ColorName.Length > 0)
Color = CBase.Theme.GetColor(_Theme.ColorName, _PartyModeID);
if(_Theme.TextureName.Length > 0)
Texture = CBase.Theme.GetSkinTexture(_Theme.TextureName, _PartyModeID);
}
public void ReloadTextures()
{
UnloadTextures();
LoadTextures();
}
#region ThemeEdit
public void MoveElement(int stepX, int stepY)
{
Rect.X += stepX;
Rect.Y += stepY;
}
public void ResizeElement(int stepW, int stepH)
{
Rect.W += stepW;
if (Rect.W <= 0)
Rect.W = 1;
Rect.H += stepH;
if (Rect.H <= 0)
Rect.H = 1;
}
#endregion ThemeEdit
}
}