protected override void CalculateLines()
{
float w = Scale.X / 2.0f;
float h = Scale.Y / 2.0f;
// the first one is left-top, clock-wise
Vector3[] vertices = new Vector3[4];
vertices[0] = new Vector3(-w, -h, 0.0f);
vertices[1] = new Vector3(w, -h, 0.0f);
vertices[2] = new Vector3(w, h, 0.0f);
vertices[3] = new Vector3(-w, h, 0.0f);
Quaternion rotation = Quaternion.BetweenDirections(Vector3.UnitZ, normal);
for (int i = 0; i < vertices.Length; i++)
{
rotation.Rotate(ref vertices[i]);
vertices[i] += Transform.Position;
}
// contour
lines[0] = new Line(vertices[0], vertices[1], Color);
lines[1] = new Line(vertices[1], vertices[2], Color);
lines[2] = new Line(vertices[2], vertices[3], Color);
lines[3] = new Line(vertices[3], vertices[0], Color);
// cross
lines[4] = new Line(vertices[0], vertices[2], Color);
lines[5] = new Line(vertices[1], vertices[3], Color);
NotifyPropertyChanged();
}
public static (VertexPositionTexture[] Vertices, int[] Indices) GenerateQuad(float width, float height)
{
var quadMeshData = GeometricPrimitive.Plane.New(width, height);
VertexPositionTexture[] vertices = new VertexPositionTexture[quadMeshData.Vertices.Length];
int[] indices = new int[quadMeshData.Indices.Length];
CopyFromGeometricPrimitive(quadMeshData, ref vertices, ref indices);
/* transform it because in its default orientation it isnt flat to the normal up */
Quaternion rotation = Quaternion.BetweenDirections(Vector3.UnitZ, Vector3.UnitY);
for (int i = 0; i < vertices.Length; ++i)
{
vertices[i].Position = Vector3.Transform(vertices[i].Position, rotation);
}
return(vertices, indices);
}
protected override async Task Shoot(Entity targetEntity)
{
// Play shooting animation
Drone.Animation.Shoot();
// Wait a bit
await Task.Delay(TimeSpan.FromSeconds(AnimationDelay));
// Spawn projectile
var projectileEntity = ProjectilePrefab.Instantiate().Single();
var projectile = projectileEntity.Get <Projectile>();
projectile.Owner = Drone.Entity;
projectileEntity.Transform.Position = ProjectileSpawnPoint.Transform.WorldMatrix.TranslationVector;
projectileEntity.Transform.Rotation = Quaternion.BetweenDirections(Vector3.UnitZ, Drone.HeadDirection);
Drone.SceneSystem.SceneInstance.RootScene.Entities.Add(projectile.Entity);
projectile.SetDirection(Drone.HeadDirection);
shootSoundSelector.PlayAndForget();
}
public override void Update()
{
Vector3 targetDir = TargetPosition - Entity.Transform.WorldMatrix.TranslationVector;
if (targetDir.LengthSquared() < 1.0f)
{
return;
}
targetDir.Normalize();
var projectile = Entity.Get <Projectile>();
var currentDirection = Vector3.Normalize(projectile.Rigidbody.LinearVelocity);
// Bend towards target direction
targetDir = currentDirection + Vector3.Normalize(targetDir) * HomingSpeed * (float)Game.UpdateTime.Elapsed.TotalSeconds;
targetDir.Normalize();
// Reset velocity based on adjusted direction
projectile.Rigidbody.LinearVelocity = Vector3.Zero;
projectile.SetDirection(targetDir);
projectile.Entity.Transform.Rotation = Quaternion.BetweenDirections(Vector3.UnitZ, targetDir);
}
public override async Task Execute()
{
while (Game.IsRunning)
{
var target = await weaponFiredEvent.ReceiveAsync();
if (target.DidFire)
{
SpawnEvent("MuzzleFlash", Entity, Matrix.Identity);
}
if (target.DidHit)
{
SpawnEvent("BulletImpact", null, Matrix.RotationQuaternion(Quaternion.BetweenDirections(Vector3.UnitY, target.HitResult.Normal)) * Matrix.Translation(target.HitResult.Point));
}
if (target.HitResult.Collider is RigidbodyComponent rigidBody)
{
var rand = new Random();
SpawnEvent("DamagedTrail", rigidBody.Entity, Matrix.Translation(new Vector3((float)rand.NextDouble() - 0.5f, (float)rand.NextDouble() - 0.5f, (float)rand.NextDouble() - 0.5f)));
}
}
}
/// <summary>
/// Update and recreate a page if necessary
/// </summary>
private void UpdatePages(TerrainComponent terrain, TerrainVegetationComponent component, TerrainVegetationRenderData renderData)
{
if (renderData.Pages != null && renderData.MaskImage != null && !component.IsDirty)
{
return;
}
if (renderData.MaskImage == null || renderData.Mask != component.Mask)
{
renderData.Mask = component.Mask;
renderData.MaskImage?.Dispose();
// Get mask image data
try
{
var game = Services.GetService <IGame>();
var graphicsContext = game.GraphicsContext;
var commandList = graphicsContext.CommandList;
renderData.MaskImage = component.Mask.GetDataAsImage(commandList);
}
catch
{
// Image probably not loaded yet .. try again next frame :)
return;
}
}
// Cache render data so we won't need to recreate pages
var mask = renderData.MaskImage.PixelBuffer[0];
var maskChannel = (int)component.MaskChannel;
// Calculate terrain center offset
var terrainOffset = terrain.Size / 2.0f;
// Create vegetation pages
var rng = new Random(component.Seed);
var pagesPerRow = (int)terrain.Size / PageSize;
var instancesPerRow = (int)(PageSize * component.Density);
var distancePerInstance = PageSize / (float)instancesPerRow;
renderData.Pages = new TerrainVegetationPage[pagesPerRow * pagesPerRow];
var scaleRange = component.MaxScale - component.MinScale;
for (var pz = 0; pz < pagesPerRow; pz++)
{
for (var px = 0; px < pagesPerRow; px++)
{
var radius = PageSize * 0.5f;
var pagePosition = new Vector3(px * PageSize - terrainOffset, 0, pz * PageSize - terrainOffset);
var page = new TerrainVegetationPage();
renderData.Pages[pz * pagesPerRow + px] = page;
for (var iz = 0; iz < instancesPerRow; iz++)
{
for (var ix = 0; ix < instancesPerRow; ix++)
{
var position = pagePosition;
position.X += ix * distancePerInstance;
position.Z += iz * distancePerInstance;
position.X += (float)rng.NextDouble() * distancePerInstance * 2.0f - distancePerInstance;
position.Z += (float)rng.NextDouble() * distancePerInstance * 2.0f - distancePerInstance;
position.Y = terrain.GetHeightAt(position.X, position.Z);
var tx = (int)((position.X + terrainOffset) / terrain.Size * mask.Width);
var ty = (int)((position.Z + terrainOffset) / terrain.Size * mask.Height);
if (tx < 0 || tx >= mask.Width || ty < 0 || ty >= mask.Height)
{
continue;
}
var maskDensity = mask.GetPixel <Color>(tx, ty)[maskChannel] / 255.0;
if (rng.NextDouble() > maskDensity)
{
continue;
}
var normal = terrain.GetNormalAt(position.X, position.Z);
var slope = 1.0f - Math.Abs(normal.Y);
if (slope < component.MinSlope || slope > component.MaxSlope)
{
continue;
}
var scale = (float)rng.NextDouble() * scaleRange + component.MinScale;
var rotation = Quaternion.RotationAxis(Vector3.UnitY, (float)rng.NextDouble() * MathUtil.TwoPi) * Quaternion.BetweenDirections(Vector3.UnitY, normal);
var scaling = new Vector3(scale);
Matrix.Transformation(ref scaling, ref rotation, ref position, out var transformation);
page.Instances.Add(transformation);
}
}
page.WorldPosition = pagePosition + new Vector3(radius, 0, radius);
}
}
component.IsDirty = false;
}
public override void Update()
{
if (Input.HasMouse)
{
ClickResult clickResult;
Utils.ScreenPositionToWorldPositionRaycast(Input.MousePosition, Camera, this.GetSimulation(), out clickResult);
bool isMoving = (Input.IsMouseButtonDown(MouseButton.Left) && lastClickResult.Type
== ClickType.Ground && clickResult.Type == ClickType.Ground);
bool isHighlit = (!isMoving && clickResult.Type == ClickType.Container);
// Character continuous moving
if (isMoving)
{
lastClickResult.WorldPosition = clickResult.WorldPosition;
MoveDestinationEventKey.Broadcast(lastClickResult);
}
// Object highlighting
if (isHighlit)
{
ModelComponent modelComponentA = Highlight?.Get <ModelComponent>();
ModelComponent modelComponentB = clickResult.ClickedEntity.Get <ModelComponent>();
if (modelComponentA != null && modelComponentB != null)
{
int materialCount = modelComponentB.Model.Materials.Count;
modelComponentA.Model = modelComponentB.Model;
modelComponentA.Materials.Clear();
for (int i = 0; i < materialCount; i++)
{
modelComponentA.Materials.Add(i, HighlightMaterial);
}
modelComponentA.Entity.Transform.UseTRS = false;
modelComponentA.Entity.Transform.LocalMatrix = modelComponentB.Entity.Transform.WorldMatrix;
}
}
else
{
ModelComponent modelComponentA = Highlight?.Get <ModelComponent>();
if (modelComponentA != null)
{
modelComponentA.Entity.Transform.LocalMatrix = Matrix.Scaling(0);
}
}
}
// Mouse-based camera rotation. Only enabled after you click the screen to lock your cursor, pressing escape cancels this
foreach (PointerEvent pointerEvent in Input.PointerEvents.Where(x => x.EventType == PointerEventType.Pressed))
{
ClickResult clickResult;
if (Utils.ScreenPositionToWorldPositionRaycast(pointerEvent.Position, Camera, this.GetSimulation(),
out clickResult))
{
lastClickResult = clickResult;
MoveDestinationEventKey.Broadcast(clickResult);
if (ClickEffect != null && clickResult.Type == ClickType.Ground)
{
this.SpawnPrefabInstance(ClickEffect, null, 1.2f, Matrix.RotationQuaternion(Quaternion.BetweenDirections(Vector3.UnitY,
clickResult.HitResult.Normal)) * Matrix.Translation(clickResult.WorldPosition));
}
}
}
}
public override void Update()
{
// HACK: should probably not rely on accessing this UI component directly.
if (_inGameScreenPageHandler == null)
{
var uiManager = SceneSystem.GetUIManagerFromRootScene();
_inGameScreenPageHandler = uiManager.TopPageHandler as InGameScreenPageHandler;
if (_inGameScreenPageHandler == null)
{
// UI not loaded yet
return;
}
}
if (!_inGameScreenPageHandler.IsTopMostScreen)
{
// Don't process any input, since it's probably in a sub-menu!
return;
}
if (Input.HasMouse)
{
ClickResult clickResult;
Utils.ScreenPositionToWorldPositionRaycast(Input.MousePosition, Camera, this.GetSimulation(), out clickResult);
var isMoving = (Input.IsMouseButtonDown(MouseButton.Left) && lastClickResult.Type == ClickType.Ground && clickResult.Type == ClickType.Ground);
var isHighlit = (!isMoving && clickResult.Type == ClickType.LootCrate);
// Character continuous moving
if (isMoving)
{
lastClickResult.WorldPosition = clickResult.WorldPosition;
MoveDestinationEventKey.Broadcast(lastClickResult);
}
// Object highlighting
if (isHighlit)
{
var modelComponentA = Highlight?.Get <ModelComponent>();
var modelComponentB = clickResult.ClickedEntity.Get <ModelComponent>();
if (modelComponentA != null && modelComponentB != null)
{
var materialCount = modelComponentB.Model.Materials.Count;
modelComponentA.Model = modelComponentB.Model;
modelComponentA.Materials.Clear();
for (int i = 0; i < materialCount; i++)
{
modelComponentA.Materials.Add(i, HighlightMaterial);
}
modelComponentA.Entity.Transform.UseTRS = false;
modelComponentA.Entity.Transform.LocalMatrix = modelComponentB.Entity.Transform.WorldMatrix;
}
}
else
{
var modelComponentA = Highlight?.Get <ModelComponent>();
if (modelComponentA != null)
{
modelComponentA.Entity.Transform.LocalMatrix = Matrix.Scaling(0);
}
}
}
// Mouse-based camera rotation. Only enabled after you click the screen to lock your cursor, pressing escape cancels this
foreach (var pointerEvent in Input.PointerEvents.Where(x => x.EventType == PointerEventType.Pressed))
{
ClickResult clickResult;
if (Utils.ScreenPositionToWorldPositionRaycast(pointerEvent.Position, Camera, this.GetSimulation(),
out clickResult))
{
lastClickResult = clickResult;
MoveDestinationEventKey.Broadcast(clickResult);
if (ClickEffect != null && clickResult.Type == ClickType.Ground)
{
this.SpawnPrefabInstance(ClickEffect, null, 1.2f, Matrix.RotationQuaternion(Quaternion.BetweenDirections(Vector3.UnitY, clickResult.HitResult.Normal)) * Matrix.Translation(clickResult.WorldPosition));
}
}
}
}
/// <summary>
/// Spawns rockets in a grid
/// </summary>
protected override async Task Shoot(Entity targetEntity)
{
// Play shooting animation
Drone.Animation.Shoot();
// Wait a bit
await Task.Delay(TimeSpan.FromSeconds(AnimationDelay));
List <Projectile> projectiles = new List <Projectile>();
Vector2 stepOffset = new Vector2(1.0f / ArraySize.X, 1.0f / ArraySize.Y) * ArrayExtent;
// Generate random spawn position
List <Vector2> spawnOffsets = new List <Vector2>();
for (int y = 0; y < ArraySize.Y; y++)
{
float stepY = (ArraySize.Y == 0) ? 0.0f : (y / (float)(ArraySize.Y - 1) * 2.0f - 1.0f);
for (int x = 0; x < ArraySize.X; x++)
{
float stepX = (ArraySize.X == 0) ? 0.0f : (x / (float)(ArraySize.X - 1) * 2.0f - 1.0f);
Vector2 spawnOffset = new Vector2((stepOffset.X * stepX), (stepOffset.Y * stepY));
spawnOffsets.Add(spawnOffset);
}
}
// Spawn in random order
while (spawnOffsets.Count > 0)
{
// Recalculate directions and start position since drone might have moved
var position = ProjectileSpawnPoint.Transform.WorldMatrix.TranslationVector;
Vector3 up = Drone.Entity.Transform.WorldMatrix.Up;
Vector3 aimDirection = Drone.HeadDirection;
Vector3 right = Vector3.Normalize(Vector3.Cross(up, aimDirection));
// Retrieve spawn position for this missile based on the offsets
int targetPositionIndex = random.Next(0, spawnOffsets.Count - 1);
Vector2 spawnOffset = spawnOffsets[targetPositionIndex];
Vector3 spawnPosition = position + spawnOffset.X * right + spawnOffset.Y * up;
spawnPosition += aimDirection * ((float)random.NextDouble() - 0.5f) * 0.1f;
spawnOffsets.RemoveAt(targetPositionIndex);
// Spawn rocket
var projectileEntity = ProjectilePrefab.Instantiate().Single();
var projectile = projectileEntity.Get <Projectile>();
projectile.Owner = Drone.Entity;
projectiles.Add(projectile);
projectileEntity.Transform.Position = spawnPosition;
projectileEntity.Transform.Rotation = Quaternion.BetweenDirections(Vector3.UnitZ, Drone.HeadDirection);
// Random Pitch/Roll (relative to shooting direction)
Vector2 randomDeviation = new Vector2((float)random.NextDouble(), (float)random.NextDouble());
randomDeviation.X = randomDeviation.X * SpreadAngle.Radians; // Pitch
randomDeviation.Y *= MathUtil.TwoPi; // Roll
projectileEntity.Transform.Rotation = projectileEntity.Transform.Rotation * Quaternion.RotationAxis(right, randomDeviation.X) * Quaternion.RotationAxis(aimDirection, randomDeviation.Y);
var rocket = (projectile as RocketProjectile);
if (targetEntity != null)
{
rocket?.SetTarget(targetEntity.Transform.WorldMatrix.TranslationVector);
}
else
{
rocket?.SetTarget(position + aimDirection * ShootingRange);
}
Drone.SceneSystem.SceneInstance.RootScene.Entities.Add(projectile.Entity);
// Set initial direction
Vector3 initialRocketDirection = Vector3.Transform(Vector3.UnitZ, projectileEntity.Transform.Rotation);
projectile.SetDirection(initialRocketDirection);
shootSound.PlayAndForget();
await Task.Delay(2 + random.Next(0, 8));
}
}
