public void PositionCompositionTest()
{
// Arrange
var node1 = EntityManager.SpawnEntity("dummy");
var node2 = EntityManager.SpawnEntity("dummy");
var node3 = EntityManager.SpawnEntity("dummy");
var node4 = EntityManager.SpawnEntity("dummy");
var node1Trans = node1.GetComponent <IServerTransformComponent>();
var node2Trans = node2.GetComponent <IServerTransformComponent>();
var node3Trans = node3.GetComponent <IServerTransformComponent>();
var node4Trans = node4.GetComponent <IServerTransformComponent>();
node1Trans.WorldPosition = new Vector2(0, 0);
node2Trans.WorldPosition = new Vector2(1, 1);
node3Trans.WorldPosition = new Vector2(2, 2);
node4Trans.WorldPosition = new Vector2(0, 2);
node2Trans.AttachParent(node1Trans);
node3Trans.AttachParent(node2Trans);
node4Trans.AttachParent(node3Trans);
//Act
node1Trans.LocalRotation = new Angle(MathHelper.Pi / 2);
//Assert
var result = node4Trans.WorldPosition;
Assert.That(FloatMath.CloseTo(result.X, -2), result.ToString);
Assert.That(FloatMath.CloseTo(result.Y, 0), result.ToString);
}
public IEnumerable <IEntity> GetEntitiesIntersecting(MapId mapId, Vector2 position)
{
foreach (var entity in GetEntities())
{
var transform = entity.Transform;
if (transform.MapID != mapId)
{
continue;
}
if (entity.TryGetComponent <BoundingBoxComponent>(out var component))
{
if (component.WorldAABB.Contains(position))
{
yield return(entity);
}
}
else
{
if (FloatMath.CloseTo(transform.GridPosition.X, position.X) && FloatMath.CloseTo(transform.GridPosition.Y, position.Y))
{
yield return(entity);
}
}
}
}
protected override void Update(FrameEventArgs args)
{
base.Update(args);
_timer += args.DeltaSeconds;
_timer %= TimerCycle;
var charge = _parent.Charge ?? 0;
int level;
if (FloatMath.CloseTo(charge, 0))
{
level = 0;
}
else
{
level = 1 + (int)MathF.Round(charge * 6);
}
if (level == 1)
{
// Flash the last light.
_sections[0].PanelOverride = _timer > TimerCycle / 2 ? _styleBoxLit : _styleBoxUnlit;
}
else
{
_sections[0].PanelOverride = level > 2 ? _styleBoxLit : _styleBoxUnlit;
}
_sections[1].PanelOverride = level > 3 ? _styleBoxLit : _styleBoxUnlit;
_sections[2].PanelOverride = level > 4 ? _styleBoxLit : _styleBoxUnlit;
_sections[3].PanelOverride = level > 5 ? _styleBoxLit : _styleBoxUnlit;
_sections[4].PanelOverride = level > 6 ? _styleBoxLit : _styleBoxUnlit;
}
/// <inheritdoc />
public IEnumerable <IEntity> GetEntitiesIntersecting(MapId mapId, Vector2 position, bool approximate = false)
{
const float range = .00001f / 2;
var aabb = new Box2(position, position).Enlarged(range);
if (mapId == MapId.Nullspace)
{
yield break;
}
var newResults = _entityTreesPerMap[mapId].Query(aabb, approximate);
foreach (var entity in newResults)
{
if (entity.TryGetComponent(out ICollidableComponent component))
{
if (component.WorldAABB.Contains(position))
{
yield return(entity);
}
}
else
{
var transform = entity.Transform;
var entPos = transform.WorldPosition;
if (FloatMath.CloseTo(entPos.X, position.X) &&
FloatMath.CloseTo(entPos.Y, position.Y))
{
yield return(entity);
}
}
}
}
public void ParentWorldPositionRoundingErrorTest()
{
// Arrange
var node1 = EntityManager.SpawnEntity("dummy");
var node2 = EntityManager.SpawnEntity("dummy");
var node3 = EntityManager.SpawnEntity("dummy");
var node1Trans = node1.GetComponent <IServerTransformComponent>();
var node2Trans = node2.GetComponent <IServerTransformComponent>();
var node3Trans = node3.GetComponent <IServerTransformComponent>();
node1Trans.WorldPosition = new Vector2(0, 0);
node2Trans.WorldPosition = new Vector2(1, 1);
node3Trans.WorldPosition = new Vector2(2, 2);
node2Trans.AttachParent(node1Trans);
node3Trans.AttachParent(node2Trans);
// Act
var oldWpos = node3Trans.WorldPosition;
for (var i = 0; i < 10000; i++)
{
var dx = i % 2 == 0 ? 5 : -5;
node1Trans.WorldPosition += new Vector2(dx, dx);
node2Trans.WorldPosition += new Vector2(dx, dx);
node3Trans.WorldPosition += new Vector2(dx, dx);
}
var newWpos = node3Trans.WorldPosition;
// Assert
Assert.That(FloatMath.CloseTo(oldWpos.X, newWpos.Y), newWpos.ToString);
Assert.That(FloatMath.CloseTo(oldWpos.Y, newWpos.Y), newWpos.ToString);
}
public IEnumerable <IEntity> GetEntitiesAt(Vector2 position)
{
foreach (var entity in GetEntities())
{
var transform = entity.GetComponent <ITransformComponent>();
if (FloatMath.CloseTo(transform.LocalPosition.X, position.X) && FloatMath.CloseTo(transform.LocalPosition.Y, position.Y))
{
yield return(entity);
}
}
}
public IEnumerable <IEntity> GetEntitiesAt(Vector2 position)
{
foreach (var entity in GetEntities())
{
var transform = entity.Transform;
if (FloatMath.CloseTo(transform.GridPosition.X, position.X) && FloatMath.CloseTo(transform.GridPosition.Y, position.Y))
{
yield return(entity);
}
}
}
public IEnumerable <IEntity> GetEntitiesAt(MapId mapId, Vector2 position)
{
foreach (var entity in _entityTreesPerMap[mapId].Query(position))
{
var transform = entity.Transform;
if (FloatMath.CloseTo(transform.GridPosition.X, position.X) && FloatMath.CloseTo(transform.GridPosition.Y, position.Y))
{
yield return(entity);
}
}
}
protected internal override void MouseWheel(GUIMouseWheelEventArgs args)
{
base.MouseWheel(args);
if (FloatMath.CloseTo(0, args.Delta.Y))
{
return;
}
_scrollBar.Value -= _getScrollSpeed() * args.Delta.Y;
_isAtBottom = _scrollBar.IsAtEnd;
}
public void ParentRotationRoundingErrorTest()
{
IoCManager.Resolve <IGameTiming>().InSimulation = true;
// Arrange
var node1 = EntityManager.SpawnEntity("dummy", InitialPos);
var node2 = EntityManager.SpawnEntity("dummy", InitialPos);
var node3 = EntityManager.SpawnEntity("dummy", InitialPos);
var node1Trans = node1.Transform;
var node2Trans = node2.Transform;
var node3Trans = node3.Transform;
node1Trans.WorldPosition = new Vector2(0, 0);
node2Trans.WorldPosition = new Vector2(1, 1);
node3Trans.WorldPosition = new Vector2(2, 2);
node2Trans.AttachParent(node1Trans);
node3Trans.AttachParent(node2Trans);
// Act
var oldWpos = node3Trans.WorldPosition;
for (var i = 0; i < 100; i++)
{
node1Trans.LocalRotation += new Angle(MathHelper.Pi);
node2Trans.LocalRotation += new Angle(MathHelper.Pi);
node3Trans.LocalRotation += new Angle(MathHelper.Pi);
}
var newWpos = node3Trans.WorldPosition;
//NOTE: Yes, this does cause a non-zero error
// Assert
Assert.Multiple(() =>
{
Assert.That(FloatMath.CloseTo(oldWpos.X, newWpos.Y));
Assert.That(FloatMath.CloseTo(oldWpos.Y, newWpos.Y));
});
}
protected override void FrameUpdate(FrameEventArgs args)
{
base.FrameUpdate(args);
_timeLeft -= args.DeltaSeconds;
if (_timeLeft <= FadeTime)
{
// Update alpha if we're fading.
Modulate = Color.White.WithAlpha(_timeLeft / FadeTime);
}
if (_senderEntity.Deleted || _timeLeft <= 0)
{
// Timer spawn to prevent concurrent modification exception.
Timer.Spawn(0, Die);
return;
}
// Lerp to our new vertical offset if it's been modified.
if (FloatMath.CloseTo(_verticalOffsetAchieved - VerticalOffset, 0, 0.1))
{
_verticalOffsetAchieved = VerticalOffset;
}
else
{
_verticalOffsetAchieved = FloatMath.Lerp(_verticalOffsetAchieved, VerticalOffset, 10 * args.DeltaSeconds);
}
var worldPos = _senderEntity.Transform.WorldPosition;
worldPos += (0, EntityVerticalOffset);
var lowerCenter = _eyeManager.WorldToScreen(worldPos) / UIScale;
var screenPos = lowerCenter - (Width / 2, ContentHeight + _verticalOffsetAchieved);
LayoutContainer.SetPosition(this, screenPos);
var height = FloatMath.Clamp(lowerCenter.Y - screenPos.Y, 0, ContentHeight);
LayoutContainer.SetSize(this, (Size.X, height));
}
public override void FrameUpdate(float frameTime)
{
var currentEye = _eyeManager.CurrentEye;
var inputSystem = EntitySystemManager.GetEntitySystem <InputSystem>();
var direction = 0;
if (inputSystem.CmdStates[EngineKeyFunctions.CameraRotateRight] == BoundKeyState.Down)
{
direction += 1;
}
if (inputSystem.CmdStates[EngineKeyFunctions.CameraRotateLeft] == BoundKeyState.Down)
{
direction -= 1;
}
// apply camera rotation
if (direction != 0)
{
currentEye.Rotation += CameraRotateSpeed * frameTime * direction;
currentEye.Rotation = currentEye.Rotation.Reduced();
}
else
{
// snap to cardinal directions
var closestDir = currentEye.Rotation.GetCardinalDir().ToVec();
var currentDir = currentEye.Rotation.ToVec();
var dot = Vector2.Dot(closestDir, currentDir);
if (FloatMath.CloseTo(dot, 1, CameraSnapTolerance))
{
currentEye.Rotation = closestDir.ToAngle();
}
}
foreach (var entity in RelevantEntities)
{
var eyeComp = entity.GetComponent <EyeComponent>();
eyeComp.UpdateEyePosition();
}
}
public void ParentTransRotateTest()
{
// Arrange
var parent = EntityManager.SpawnEntity("dummy");
var child = EntityManager.SpawnEntity("dummy");
var parentTrans = parent.GetComponent <IServerTransformComponent>();
var childTrans = child.GetComponent <IServerTransformComponent>();
parentTrans.WorldPosition = new Vector2(1, 1);
childTrans.WorldPosition = new Vector2(2, 1);
childTrans.AttachParent(parentTrans);
//Act
parentTrans.LocalRotation = new Angle(MathHelper.Pi / 2);
//Assert
var result = childTrans.WorldPosition;
Assert.That(FloatMath.CloseTo(result.X, 1), result.ToString);
Assert.That(FloatMath.CloseTo(result.Y, 2), result.ToString);
}
public void ParentRotateTest()
{
// Arrange
var parent = EntityManager.SpawnEntity("dummy", InitialPos);
var child = EntityManager.SpawnEntity("dummy", InitialPos);
var parentTrans = parent.Transform;
var childTrans = child.Transform;
parentTrans.WorldPosition = new Vector2(0, 0);
childTrans.WorldPosition = new Vector2(2, 0);
childTrans.AttachParent(parentTrans);
//Act
parentTrans.LocalRotation = new Angle(MathHelper.Pi / 2);
//Assert
var result = childTrans.WorldPosition;
Assert.That(FloatMath.CloseTo(result.X, 0), result.ToString);
Assert.That(FloatMath.CloseTo(result.Y, 2), result.ToString);
}
public IEnumerable <IEntity> GetEntitiesIntersecting(Vector2 position)
{
foreach (var entity in GetEntities())
{
if (entity.TryGetComponent <BoundingBoxComponent>(out var component))
{
if (component.WorldAABB.Contains(position))
{
yield return(entity);
}
}
else
{
var transform = entity.GetComponent <ITransformComponent>();
if (FloatMath.CloseTo(transform.LocalPosition.X, position.X) && FloatMath.CloseTo(transform.LocalPosition.Y, position.Y))
{
yield return(entity);
}
}
}
}
public void ParentRotationRoundingErrorTest()
{
// Arrange
var node1 = EntityManager.SpawnEntity("dummy");
var node2 = EntityManager.SpawnEntity("dummy");
var node3 = EntityManager.SpawnEntity("dummy");
var node1Trans = node1.GetComponent <IServerTransformComponent>();
var node2Trans = node2.GetComponent <IServerTransformComponent>();
var node3Trans = node3.GetComponent <IServerTransformComponent>();
node1Trans.WorldPosition = new Vector2(0, 0);
node2Trans.WorldPosition = new Vector2(1, 1);
node3Trans.WorldPosition = new Vector2(2, 2);
node2Trans.AttachParent(node1Trans);
node3Trans.AttachParent(node2Trans);
// Act
var oldWpos = node3Trans.WorldPosition;
for (var i = 0; i < 100; i++)
{
node1Trans.LocalRotation += new Angle(MathHelper.Pi);
node2Trans.LocalRotation += new Angle(MathHelper.Pi);
node3Trans.LocalRotation += new Angle(MathHelper.Pi);
}
var newWpos = node3Trans.WorldPosition;
//NOTE: Yes, this does cause a non-zero error
// Assert
Assert.That(FloatMath.CloseTo(oldWpos.X, newWpos.Y), newWpos.ToString);
Assert.That(FloatMath.CloseTo(oldWpos.Y, newWpos.Y), newWpos.ToString);
}
public override ConstraintResult ApplyTo <TActual>(TActual actual)
{
if (!(Expected is IApproxEquatable <TActual> equatable))
{
if (Expected is float f1 && actual is float f2)
{
if (Tolerance != null)
{
return(new ConstraintResult(this, actual, FloatMath.CloseTo(f1, f2, Tolerance.Value)));
}
return(new ConstraintResult(this, actual, FloatMath.CloseTo(f1, f2)));
}
if (Expected is double d1 && actual is float d2)
{
if (Tolerance != null)
{
return(new ConstraintResult(this, actual, FloatMath.CloseTo(d1, d2, Tolerance.Value)));
}
return(new ConstraintResult(this, actual, FloatMath.CloseTo(d1, d2)));
}
return(new ConstraintResult(this, actual, false));
}
if (Tolerance != null)
{
return(new ConstraintResult(this, actual, equatable.EqualsApprox(actual, Tolerance.Value)));
}
else
{
return(new ConstraintResult(this, actual, equatable.EqualsApprox(actual)));
}
}
private void DrawLightsAndFov(Box2 worldBounds, IEye eye)
{
if (!_lightManager.Enabled)
{
return;
}
var map = eye.Position.MapId;
var(lights, expandedBounds) = GetLightsToRender(map, worldBounds);
UpdateOcclusionGeometry(map, expandedBounds, eye.Position.Position);
DrawFov(eye);
var shadowMatrices = new Matrix4[lights.Count];
using (DebugGroup("Draw shadow depth"))
{
PrepareDepthDraw(_shadowRenderTarget);
GL.CullFace(CullFaceMode.Back);
if (_lightManager.DrawShadows)
{
for (var i = 0; i < lights.Count; i++)
{
var(light, lightPos) = lights[i];
DrawOcclusionDepth(lightPos, ShadowMapSize, light.Radius, i, out shadowMatrices[i]);
}
}
FinalizeDepthDraw();
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, _lightRenderTarget.ObjectHandle.Handle);
GLClearColor(Color.FromSrgb(AmbientLightColor));
GL.Clear(ClearBufferMask.ColorBufferBit);
var(lightW, lightH) = GetLightMapSize();
GL.Viewport(0, 0, lightW, lightH);
var lightShader = _loadedShaders[_lightShaderHandle].Program;
lightShader.Use();
SetTexture(TextureUnit.Texture1, ShadowTexture);
lightShader.SetUniformTextureMaybe("shadowMap", TextureUnit.Texture1);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
var lastRange = float.NaN;
var lastPower = float.NaN;
var lastColor = new Color(float.NaN, float.NaN, float.NaN, float.NaN);
Texture lastMask = null;
for (var i = 0; i < lights.Count; i++)
{
var(component, lightPos) = lights[i];
var transform = component.Owner.Transform;
var circle = new Circle(lightPos, component.Radius);
if (!circle.Intersects(worldBounds))
{
continue;
}
Texture mask = null;
var rotation = Angle.Zero;
if (component.Mask != null)
{
mask = component.Mask;
rotation = component.Rotation;
if (component.MaskAutoRotate)
{
rotation += transform.WorldRotation;
}
}
var maskTexture = mask ?? Texture.White;
if (lastMask != maskTexture)
{
SetTexture(TextureUnit.Texture0, maskTexture);
lastMask = maskTexture;
lightShader.SetUniformTextureMaybe(UniIMainTexture, TextureUnit.Texture0);
}
if (!FloatMath.CloseTo(lastRange, component.Radius))
{
lastRange = component.Radius;
lightShader.SetUniformMaybe("lightRange", lastRange);
}
if (!FloatMath.CloseTo(lastPower, component.Energy))
{
lastPower = component.Energy;
lightShader.SetUniformMaybe("lightPower", lastPower);
}
if (lastColor != component.Color)
{
lastColor = component.Color;
lightShader.SetUniformMaybe("lightColor", lastColor);
}
lightShader.SetUniformMaybe("lightCenter", lightPos);
lightShader.SetUniformMaybe("lightIndex", (i + 0.5f) / ShadowTexture.Height);
lightShader.SetUniformMaybe("shadowMatrix", shadowMatrices[i], false);
var offset = new Vector2(component.Radius, component.Radius);
Matrix3 matrix;
if (mask == null)
{
matrix = Matrix3.Identity;
}
else
{
// Only apply rotation if a mask is said, because else it doesn't matter.
matrix = Matrix3.CreateRotation(rotation);
}
(matrix.R0C2, matrix.R1C2) = lightPos;
_drawQuad(-offset, offset, matrix, lightShader);
}
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
ApplyLightingFovToBuffer(eye);
BlurOntoWalls(eye);
MergeWallLayer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Viewport(0, 0, ScreenSize.X, ScreenSize.Y);
_lightingReady = true;
}
private void _drawLights(Box2 worldBounds)
{
if (!_lightManager.Enabled)
{
return;
}
var map = _eyeManager.CurrentMap;
GL.BindFramebuffer(FramebufferTarget.Framebuffer, LightRenderTarget.ObjectHandle.Handle);
var converted = Color.FromSrgb(new Color(0.1f, 0.1f, 0.1f));
GL.ClearColor(converted.R, converted.G, converted.B, 1);
GL.Clear(ClearBufferMask.ColorBufferBit);
var(lightW, lightH) = _lightMapSize();
GL.Viewport(0, 0, lightW, lightH);
_lightShader.Use();
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.One);
var lastRange = float.NaN;
var lastPower = float.NaN;
var lastColor = new Color(float.NaN, float.NaN, float.NaN, float.NaN);
Texture lastMask = null;
foreach (var component in _componentManager.GetAllComponents <PointLightComponent>())
{
if (!component.Enabled || component.Owner.Transform.MapID != map)
{
continue;
}
var transform = component.Owner.Transform;
var lightPos = transform.WorldMatrix.Transform(component.Offset);
var lightBounds = Box2.CenteredAround(lightPos, Vector2.One * component.Radius * 2);
if (!lightBounds.Intersects(worldBounds))
{
continue;
}
Texture mask = null;
var rotation = Angle.Zero;
if (component.Mask != null)
{
mask = component.Mask;
rotation = component.Rotation;
if (component.MaskAutoRotate)
{
rotation += transform.WorldRotation;
}
}
var maskTexture = mask ?? Texture.White;
if (lastMask != maskTexture)
{
var maskHandle = _loadedTextures[((ClydeTexture)maskTexture).TextureId].OpenGLObject;
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, maskHandle.Handle);
lastMask = maskTexture;
_lightShader.SetUniformTexture("lightMask", TextureUnit.Texture0);
}
if (!FloatMath.CloseTo(lastRange, component.Radius))
{
lastRange = component.Radius;
_lightShader.SetUniform("lightRange", lastRange);
}
if (!FloatMath.CloseTo(lastPower, component.Energy))
{
lastPower = component.Energy;
_lightShader.SetUniform("lightPower", lastPower);
}
if (lastColor != component.Color)
{
lastColor = component.Color;
_lightShader.SetUniform("lightColor", lastColor);
}
_lightShader.SetUniform("lightCenter", lightPos);
var offset = new Vector2(component.Radius, component.Radius);
Matrix3 matrix;
if (mask == null)
{
matrix = Matrix3.Identity;
}
else
{
// Only apply rotation if a mask is said, because else it doesn't matter.
matrix = Matrix3.CreateRotation(rotation);
}
(matrix.R0C2, matrix.R1C2) = lightPos;
_drawQuad(-offset, offset, ref matrix, _lightShader);
}
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Viewport(0, 0, ScreenSize.X, ScreenSize.Y);
_lightingReady = true;
}
public bool OnSnapBorder(Vector2 position)
{
return(FloatMath.CloseTo(position.X % SnapSize, SnapSize / 2) && FloatMath.CloseTo(position.Y % SnapSize, SnapSize / 2));
}
public bool OnSnapCenter(Vector2 position)
{
return(FloatMath.CloseTo(position.X % SnapSize, 0) && FloatMath.CloseTo(position.Y % SnapSize, 0));
}