/// <summary>
/// Tries to generate particles. May return null if the generator is eiher empty
/// or the random attempt failed
/// </summary>
/// <returns></returns>
public Particle[] Generate(TableDepositor system, double counter)
{
GeneratorSettings settings = (settings_allowed) ? this.settings : this.baseSettings;
generatingStep++;
if (generatingStep > (PhysicSettings.Instance().DEFAULT_GENERATING_SPEED - settings.generatingSpeed))
{
// coefficient of regularity
int coeff = settings.Regular_generating ? 1 : (CommonAttribService.apiRandom.Next(5) + 1);
int arrayLength = (int)((settings.generatingSpeed / coeff) * ((A_Rock)this).Intensity / 100);
if (arrayLength <= 0)
{
return(null);
}
Particle[] output = new Particle[arrayLength];
for (int i = 0; i < output.Length; i++)
{
output[i] = GenerateParticle(counter);
// start over
generatingStep = 0;
}
generatingNumber++;
return(output);
}
else
{
return(null);
}
}
/// <summary>
/// Renders stones as tiny squares (mainly for debugging and polishing)
/// </summary>
/// <param name="objects"></param>
private void DrawRocks(TableDepositor objects)
{
foreach (Graviton grv in objects.gravitons)
{
FPoint pos = new FPoint(grv.Position.X + CommonAttribService.ACTUAL_TABLE_WIDTH / 2, grv.Position.Y + CommonAttribService.ACTUAL_TABLE_HEIGHT / 2);
pos.X *= ratioX;
pos.Y *= ratioY;
DrawSquare((int)pos.X, (int)pos.Y, 5, color_graviton);
}
foreach (Magneton grv in objects.magnetons)
{
FPoint pos = new FPoint(grv.Position.X + CommonAttribService.ACTUAL_TABLE_WIDTH / 2, grv.Position.Y + CommonAttribService.ACTUAL_TABLE_HEIGHT / 2);
pos.X *= ratioX;
pos.Y *= ratioY;
DrawSquare((int)pos.X, (int)pos.Y, 5, color_magneton);
}
foreach (BlackHole grv in objects.blackHoles)
{
FPoint pos = new FPoint(grv.Position.X + CommonAttribService.ACTUAL_TABLE_WIDTH / 2, grv.Position.Y + CommonAttribService.ACTUAL_TABLE_HEIGHT / 2);
pos.X *= ratioX;
pos.Y *= ratioY;
DrawSquare((int)pos.X, (int)pos.Y, 8, color_blackHole);
}
foreach (Generator grv in objects.generators)
{
FPoint pos = new FPoint(grv.Position.X + CommonAttribService.ACTUAL_TABLE_WIDTH / 2, grv.Position.Y + CommonAttribService.ACTUAL_TABLE_HEIGHT / 2);
pos.X *= ratioX;
pos.Y *= ratioY;
DrawSquare((int)pos.X, (int)pos.Y, 5, color_generator);
}
}
/// <summary>
/// Renders the system
/// </summary>
/// <param name="objects"></param>
public void Repaint(TableDepositor objects)
{
if (CommonAttribService.OUTPUT_DRAW_ALLOWED)
{
BitmapSource bmp = null;
if (GraphicsSettings.Instance().OUTPUT_TABLE_SIZE_DEPENDENT)
{
bmp = tableDrawingManager.CreateBitmap(objects, true);
}
else
{
if (((int)tableDrawingManager.actual_size.X) != CommonAttribService.ACTUAL_OUTPUT_WIDTH)
{
tableDrawingManager.Resize(CommonAttribService.ACTUAL_OUTPUT_WIDTH,
(int)(CommonAttribService.ACTUAL_TABLE_HEIGHT * (((double)CommonAttribService.ACTUAL_OUTPUT_WIDTH) / CommonAttribService.ACTUAL_TABLE_WIDTH)));
}
bmp = tableDrawingManager.CreateBitmap(objects, false);
}
if (bmp != null)
{
tableImage.Source = bmp;
tableImage.Width = ActualWidth;
tableImage.Height = ActualHeight;
}
}
}
/// <summary>
/// Renders the system into the window
/// </summary>
/// <param name="objects"></param>
public void Repaint(TableDepositor objects)
{
if (CommonAttribService.SIMULATION_DRAW_ALLOWED)
{
BitmapSource bmp = null;
// if both outputs are enabled, let's just take the picture from the OpenGL window
if (CommonAttribService.OUTPUT_DRAW_ALLOWED && !CommonAttribService.MODE_2D)
{
bmp = CommonAttribService.LAST_BITMAP;
}
else
{
bmp = tableDrawingManager.CreateBitmap(objects, true);
}
if (bmp != null)
{
if (tableImage == null)
{
tableImage = new Image();
}
tableImage.Source = bmp;
tableImage.Width = ActualWidth;
tableImage.Height = ActualHeight;
tableImage.HorizontalAlignment = HorizontalAlignment.Left;
tableImage.VerticalAlignment = VerticalAlignment.Top;
if (!tableGrid.Children.Contains(tableImage))
{
tableGrid.Children.Add(tableImage);
}
}
}
}
private static void DeleteBufferedParticles(TableDepositor system)
{
foreach (Particle part in deletedParticles)
{
system.particles.Remove(part);
}
deletedParticles.Clear();
}
/// <summary>
/// Processes gravitons for one particle
/// </summary>
/// <param name="system"></param>
/// <param name="part"></param>
public static void ProcessGravitons(TableDepositor system, Particle part)
{
temp.X = 0;
temp.Y = 0;
foreach (Graviton ig in system.gravitons)
{
GravitonSettings settings = (ig.Settings_Allowed) ? ig.Settings : system.table.Settings.gravitonSettings;
double length = (part.Position.X - ig.Position.X) * (part.Position.X - ig.Position.X) +
(part.Position.Y - ig.Position.Y) * (part.Position.Y - ig.Position.Y);
//=================================================
// GRAVITY:
// g = CONST*M/(radius/11 + 14),
//=================================================
// fix treshold
double acc = (PhysicSettings.Instance().DEFAULT_GRAVITY_CONSTANT *ig.Settings.weigh) / (length / 114 + 14) * (((A_Rock)ig).Intensity / 100);
double sqrt_length = Math.Sqrt(length);
if (sqrt_length < 20)
{
acc *= -Math.Log(sqrt_length - Math.Min(20, sqrt_length - 2));
}
// pulsar
if (settings.Energy_pulsing)
{
acc /= (1 + Math.Tan(settings.Energy_pulse_speed) / 10);
}
// calculate velocity
if (PhysicsSettings.gravitationMode == GravitationMode.ADITIVE)
{
temp.Add(acc * ((ig.Position.X - part.Position.X) / Math.Sqrt(length)),
acc * ((ig.Position.Y - part.Position.Y) / Math.Sqrt(length)));
}
else if (PhysicsSettings.gravitationMode == GravitationMode.AVERAGE)
{
temp.Add(1 / (acc * ((ig.Position.X - part.Position.X) / Math.Sqrt(length))),
1 / (acc * ((ig.Position.Y - part.Position.Y) / Math.Sqrt(length))));
}
else if (PhysicsSettings.gravitationMode == GravitationMode.MULTIPLY)
{
temp.Add(acc * ((ig.Position.X - part.Position.X) / Math.Log(length)),
acc * ((ig.Position.Y - part.Position.Y) / Math.Log(length)));
}
}
if (PhysicsSettings.gravitationMode == GravitationMode.AVERAGE)
{
temp.Invert();
}
part.Vector_Acceleration.Add(temp);
}
/// <summary>
/// Transforms the system from to another state
/// </summary>
/// <param name="system"></param>
public static void TransformSystem(TableDepositor system)
{
counter++;
try {
if (system.table.Settings.generatorSettings.enabled)
{
ProcessGenerators(system); // generate new particles
}
ProcessParticles(system); // process particles
} catch {
// .... no-op here
}
}
/// <summary>
/// Processes all particles
/// </summary>
private static void ProcessParticles(TableDepositor system)
{
double tableWidth = CommonAttribService.ACTUAL_TABLE_WIDTH;
double tableHeight = CommonAttribService.ACTUAL_TABLE_HEIGHT;
foreach (Particle part in system.particles)
{
// size change
if (PhysicsSettings.particle_sizeChanging_allowed)
{
FixParticleSizeChange(part, system);
}
// reset acceleration - it will be recalculated
part.Vector_Acceleration.X = 0;
part.Vector_Acceleration.Y = 0;
// process stones
ProcessParticleStoneInterraction(part, system);
// set all new values
part.Position = new FPoint(part.Position.X + part.Vector_Velocity.X,
part.Position.Y + part.Vector_Velocity.Y);
// table gravity
if (system.table.Settings.gravity_allowed)
{
part.Vector_Acceleration.X += 0.1 * system.table.Settings.gravity.X;
part.Vector_Acceleration.Y += 0.1 * system.table.Settings.gravity.Y;
}
part.Vector_Velocity.Add(part.Vector_Acceleration);
// loosing energy
if (system.table.Settings.energy_loosing || system.table.Settings.energy_loosing)
{
FixParticleEnergyLoosing(part, system);
}
// collision with the borders of the table
if (system.table.Settings.interaction)
{
FixParticleTableInterraction(part, system, tableWidth, tableHeight);
}
}
// delete particles that are to be deleted
DeleteBufferedParticles(system);
}
/// <summary>
/// Processes all particle generators
/// </summary>
/// <param name="system"></param>
private static void ProcessGenerators(TableDepositor system)
{
foreach (Generator ab in system.generators)
{
Particle[] obj = ab.Generate(system, counter); // try to generate new particles
if (obj != null) // add new particles to the system
{
for (int i = 0; i < obj.Length; i++)
{
system.particles.Add(obj[i]);
}
}
}
}
/// <summary>
/// Change particle energy
/// </summary>
/// <param name="part"></param>
/// <param name="system"></param>
private static void FixParticleEnergyLoosing(Particle part, TableDepositor system)
{
// if the value is -1, we will use global settings
if (system.table.Settings.energy_loosing_speed != -1)
{
part.Vector_Velocity.Mult(1 - system.table.Settings.energy_loosing_speed / PhysicSettings.Instance().DEFAULT_ENERGY_TABLE_LOOSING_SPEED_MAX,
1 - system.table.Settings.energy_loosing_speed / PhysicSettings.Instance().DEFAULT_ENERGY_TABLE_LOOSING_SPEED_MAX);
}
else
{
part.Vector_Velocity.Mult(1 - system.table.Settings.energy_loosing_speed / PhysicSettings.Instance().DEFAULT_ENERGY_TABLE_LOOSING_SPEED_MAX,
1 - system.table.Settings.energy_loosing_speed / PhysicSettings.Instance().DEFAULT_ENERGY_TABLE_LOOSING_SPEED_MAX);
}
}
/// <summary>
/// Process interaction between particles and stones
/// </summary>
private static void ProcessParticleStoneInterraction(Particle part, TableDepositor system)
{
if (system.table.Settings.blackHoleSettings.enabled)
{
ProcessBlackHoles(system, part);
}
if (system.table.Settings.gravitonSettings.enabled)
{
ProcessGravitons(system, part);
}
if (system.table.Settings.magnetonSettings.enabled)
{
ProcessMagnetons(system, part);
}
}
/// <summary>
/// Processes magnetons for one particle
/// </summary>
public static void ProcessMagnetons(TableDepositor system, Particle part)
{
temp.X = 0;
temp.Y = 0;
foreach (Magneton ig in system.magnetons)
{
MagnetonSettings settings = (ig.Settings_Allowed) ? ig.Settings : system.table.Settings.magnetonSettings;
// calculate distance between the particle and the stone
double length = (part.Position.X - ig.Position.X) * (part.Position.X - ig.Position.X) +
(part.Position.Y - ig.Position.Y) * (part.Position.Y - ig.Position.Y);
double acc = (PhysicSettings.Instance().DEFAULT_MAGNETON_CONSTANT *ig.Settings.force) / (length / 114 + 14) * (((A_Rock)ig).Intensity / 100);
// pulsar
if (settings.Energy_pulsing)
{
acc /= (1 + Math.Tan(counter * settings.Energy_pulse_speed) / 10);
}
if (PhysicsSettings.magnetismMode == MagnetismMode.ADITIVE)
{
temp.Add(-acc * ((ig.Position.X - part.Position.X) / Math.Sqrt(length)),
-acc * ((ig.Position.Y - part.Position.Y) / Math.Sqrt(length)));
}
else if (PhysicsSettings.magnetismMode == MagnetismMode.AVERAGE)
{
temp.Add(1 / (-acc * ((ig.Position.X - part.Position.X) / Math.Sqrt(length))),
1 / (-acc * ((ig.Position.Y - part.Position.Y) / Math.Sqrt(length))));
}
else if (PhysicsSettings.magnetismMode == MagnetismMode.MULTIPLY)
{
temp.Add(-acc * ((ig.Position.X - part.Position.X) / Math.Log(length)),
-acc * ((ig.Position.Y - part.Position.Y) / Math.Log(length)));
}
}
if (PhysicsSettings.magnetismMode == MagnetismMode.AVERAGE)
{
temp.Invert();
}
part.Vector_Acceleration.Add(temp);
}
/// <summary>
/// Change particle velocity if it interacts with borders of the table
/// </summary>
private static void FixParticleTableInterraction(Particle part, TableDepositor system, double tableWidth, double tableHeight)
{
if (part.Position.X < -tableWidth / 2 && part.Vector_Velocity.X < 0)
{
part.Vector_Velocity.Mult(-1, 1);
}
if (part.Position.X > tableWidth / 2 && part.Vector_Velocity.X > 0)
{
part.Vector_Velocity.Mult(-1, 1);
}
if (part.Position.Y < -tableHeight / 2 && part.Vector_Velocity.Y < 0)
{
part.Vector_Velocity.Mult(1, -1);
}
if (part.Position.Y > tableHeight / 2 && part.Vector_Velocity.Y > 0)
{
part.Vector_Velocity.Mult(1, -1);
}
}
/// <summary>
/// Change particle sizes due various attributse
/// </summary>
private static void FixParticleSizeChange(Particle part, TableDepositor system)
{
if (PhysicsSettings.particle_sizeMode == ParticleSizeMode.GRAVITY)
{
part.Settings.size = 1 + (part.Vector_Acceleration.X * part.Vector_Acceleration.X + part.Vector_Acceleration.Y * part.Vector_Acceleration.Y);
}
else if (PhysicsSettings.particle_sizeMode == ParticleSizeMode.VELOCITY)
{
part.Settings.size = 1 + part.Vector_Velocity.Size();
}
else if (PhysicsSettings.particle_sizeMode == ParticleSizeMode.WEIGH)
{
part.Settings.size = part.Settings.weigh * 2;
}
else if (PhysicsSettings.particle_sizeMode == ParticleSizeMode.NONE)
{
part.Settings.size = part.Settings.originSize;
}
}
public RealTableManager(TableDepositor system)
{
this.system = system;
}
/// <summary>
/// Draws a grid that determines gravity force
/// </summary>
/// <param name="objects"></param>
private void DrawLines(TableDepositor objects)
{
DateTime pk = DateTime.Now;
int row_pixel = (((int)(CommonAttribService.ACTUAL_TABLE_HEIGHT * ratioY)) / 20);
int col_pixel = row_pixel;
for (int i = 0; i < ((int)(ratioY * CommonAttribService.ACTUAL_TABLE_HEIGHT)); i += row_pixel)
{
for (int j = 0; j < ((int)(ratioX * CommonAttribService.ACTUAL_TABLE_WIDTH)); j += col_pixel)
{
int orig_col = j;
int orig_row = i;
// original position of the point
int orig_position_x = orig_col - ((int)(ratioX * CommonAttribService.ACTUAL_TABLE_WIDTH)) / 2;
int orig_position_y = orig_row - ((int)(ratioY * CommonAttribService.ACTUAL_TABLE_HEIGHT)) / 2;
double temp_position_x = orig_position_x;
double temp_position_y = orig_position_y;
double shift_x = 0;
double shift_y = 0;
foreach (Graviton gr in objects.gravitons)
{
// calc distance between the original point and the graviton
double length = Math.Sqrt((temp_position_x - gr.Position.X) * (temp_position_x - gr.Position.X) +
(temp_position_y - gr.Position.Y) * (temp_position_y - gr.Position.Y));
// calculate potential
double acc = (PhysicSettings.Instance().DEFAULT_GRAVITY_CONSTANT *gr.Settings.weigh) / ((length * length / 100 + 10));
// shift the grid point
shift_x += acc * (gr.Position.X - temp_position_x) / (0.1 * gr.Settings.weigh);
shift_y += acc * (gr.Position.Y - temp_position_y) / (0.1 * gr.Settings.weigh);
temp_position_x = orig_position_x + shift_x;
temp_position_y = orig_position_y + shift_y;
}
foreach (Magneton mg in objects.magnetons)
{
double length = Math.Sqrt((temp_position_x - mg.Position.X) * (temp_position_x - mg.Position.X) +
(temp_position_y - mg.Position.Y) * (temp_position_y - mg.Position.Y));
double acc = (PhysicSettings.Instance().DEFAULT_GRAVITY_CONSTANT *mg.Settings.force) / ((length * length / 100 + 10));
shift_x -= acc * (mg.Position.X - temp_position_x);
shift_y -= acc * (mg.Position.Y - temp_position_y);
temp_position_x = orig_position_x + shift_x;
temp_position_y = orig_position_y + shift_y;
}
foreach (BlackHole mg in objects.blackHoles)
{
double length = Math.Sqrt((temp_position_x - mg.Position.X) * (temp_position_x - mg.Position.X) +
(temp_position_y - mg.Position.Y) * (temp_position_y - mg.Position.Y));
double acc = (PhysicSettings.Instance().DEFAULT_GRAVITY_CONSTANT * 80) / ((length * length / 100 + 10));
shift_x += acc * (mg.Position.X - temp_position_x);
shift_y += acc * (mg.Position.Y - temp_position_y);
temp_position_x = orig_position_x + shift_x;
temp_position_y = orig_position_y + shift_y;
}
// shift the position of the grid point
int other_position_x = (int)(orig_col + shift_x);
int other_position_y = (int)(orig_row + shift_y);
int posX = (int)other_position_x;
int posY = (int)other_position_y;
DrawRectangle((int)posX, (int)posY, 1, 3, 0xFF333333);
DrawRectangle((int)posX, (int)posY, 3, 1, 0xFF333333);
}
}
}
private DateTime last_render = DateTime.Now; // time of the last render
public TableManager()
{
this.tableDepositor = new TableDepositor();
inputManager = new InputManager(this);
}
/// <summary>
/// Process black holes for one particle
/// </summary>
public static void ProcessBlackHoles(TableDepositor system, Particle part)
{
foreach (BlackHole blackH in system.blackHoles)
{
BlackHoleSettings settings = (blackH.Settings_Allowed) ? blackH.Settings : system.table.Settings.blackHoleSettings;
// distance between the particle and the stone
double length = Math.Sqrt((part.Position.X - blackH.Position.X) * (part.Position.X - blackH.Position.X) +
(part.Position.Y - blackH.Position.Y) * (part.Position.Y - blackH.Position.Y));
// if the distance is within the treshold, we will remove it
if (length < blackH.Radius)
{
if (PhysicsSettings.absorptionMode == AbsorptionMode.BLACKHOLE)
{
deletedParticles.Add(part);
}
else if (PhysicsSettings.absorptionMode == AbsorptionMode.RECYCLE)
{
// if the recycling is enabled, just find an appropriate generator and give it the deleted particle
if (system.generators.Count > 0)
{
system.generators.ElementAt(CommonAttribService.apiRandom.Next(system.generators.Count - 1)).generatingNumber--;
deletedParticles.Add(part);
}
}
else if (PhysicsSettings.absorptionMode == AbsorptionMode.SELECT)
{
if (CommonAttribService.apiRandom.Next(50) == 40)
{
deletedParticles.Add(part);
}
}
return;
}
// creepy gravity acceleration
double acc = (PhysicSettings.Instance().DEFAULT_GRAVITY_CONSTANT *settings.weigh) / (Math.Log(length * length) / 114 + 14) * (((A_Rock)blackH).Intensity / 100);
double dist_x = (blackH.Position.X - part.Position.X);
double dist_y = (blackH.Position.Y - part.Position.Y);
double celk = length * 1.5;
// pulsar
if (settings.Energy_pulsing)
{
acc /= (1 + Math.Tan(counter * settings.Energy_pulse_speed) / (4 + 4 * Math.Log10(length)));
}
part.Vector_Acceleration.Add(0.5 * acc * ((dist_x) / length),
0.5 * acc * ((dist_y) / length));
// this is really creepy but it works
if (dist_x > 0 && (-dist_y) > 0)
{
dist_y *= length / 4;
}
else if (dist_x > 0 && (-dist_y) < 0)
{
dist_x *= length / 4;
}
else if (dist_x < 0 && (-dist_y) > 0)
{
dist_x *= length / 4;
}
else if (dist_x < 0 && (-dist_y) < 0)
{
dist_y *= length / 4;
}
// add gravityy acceleration
part.Vector_Acceleration.Add((-dist_y / celk) / 30, (dist_x / celk) / 30);
}
}
/// <summary>
/// Creates an image of a table system
/// </summary>
/// <returns></returns>
public BitmapSource CreateBitmap(TableDepositor objects, Boolean isTableSized)
{
try
{
renderCounter++; // used for garbage collector
// invoke GC
if (renderCounter > 30)
{
renderCounter = 0;
GC.Collect();
}
ratioX = actual_size.X / CommonAttribService.ACTUAL_TABLE_WIDTH;
ratioY = actual_size.Y / CommonAttribService.ACTUAL_TABLE_HEIGHT;
color_particle = 0x00000000 + (uint)(255 << 24 | GraphicsSettings.Instance().DEFAULT_PARTICLE_COLOR_R << 16
| GraphicsSettings.Instance().DEFAULT_PARTICLE_COLOR_G << 8 | GraphicsSettings.Instance().DEFAULT_PARTICLE_COLOR_B);
// check resizing
if (isTableSized)
{
if (pixelData.Length != (int)(CommonAttribService.ACTUAL_TABLE_HEIGHT * CommonAttribService.ACTUAL_TABLE_WIDTH))
{
pixelData = new UInt32[(int)(CommonAttribService.ACTUAL_TABLE_HEIGHT * CommonAttribService.ACTUAL_TABLE_WIDTH)];
actual_size.X = CommonAttribService.ACTUAL_TABLE_WIDTH;
actual_size.Y = CommonAttribService.ACTUAL_TABLE_HEIGHT;
}
}
// remove pixel buffer
for (int i = 0; i < pixelData.Length; i++)
{
pixelData[i] = 0xFF000000;
}
if (GraphicsSettings.Instance().DEFAULT_GRID_ENABLED)
{
DrawLines(objects); // draw grid
}
// draw particles
foreach (Particle part in objects.particles)
{
DrawParticle(part);
}
// draw stones
if (GraphicsSettings.Instance().DEFAULT_OUTPUT_ROCK_DISPLAY)
{
DrawRocks(objects);
}
// create a bitmap for pixel array
BitmapSource bmp = BitmapSource.Create((int)actual_size.X, (int)actual_size.Y, 96, 96, PixelFormats.Bgra32, null, pixelData, ((((int)actual_size.X * 32 + 31) & ~31) / 8));
CommonAttribService.LAST_BITMAP = bmp;
return(bmp);
}
catch {
// no-op here
}
return(null);
}
