private void TreasureSeekUpdate(GameTime gameTime)
{
Treasure t = stage.GetClosestTreasure(agentObject.Translation);
if (t == null)
{
// No more treasure. Stop Moving
state = NPAgentState.DONE;
return;
}
if (treasureNav == null || treasureNav.Translation != t.Obj.Translation)
{
treasureNav = new NavNode(t.Obj.Translation, NavNode.NavNodeEnum.WAYPOINT);
agentObject.turnToFace(treasureNav.Translation);
}
ObjectAvoidance();
float distance = Vector3.Distance(
new Vector3(treasureNav.Translation.X, 0, treasureNav.Translation.Z),
new Vector3(agentObject.Translation.X, 0, agentObject.Translation.Z));
stage.setInfo(15, stage.agentLocation(this));
stage.setInfo(16,
string.Format(" nextGoal ({0:f0}, {1:f0}, {2:f0}) distance to next goal = {3,5:f2})",
treasureNav.Translation.X / stage.Spacing, treasureNav.Translation.Y, treasureNav.Translation.Z / stage.Spacing, distance));
// Add in the bounding sphere radius to make distance 200 from edge of bounding box instead of 200 from center of object
if (distance <= (tagDistance + t.BoundingSphereRadius))
{
//Tag the treasure so it can't be found again.
stage.TagTreasure(t, this);
this.treasuresFound++;
//Found treasure, stop seeking and switch states.
treasureNav = null;
Treasure anyMore = stage.GetClosestTreasure(agentObject.Translation);
if (anyMore != null)
{
state = NPAgentState.PATH_SEEK;
// snap to nextGoal and orient toward the new nextGoal
agentObject.turnToFace(nextGoal.Translation);
}
else
{
state = NPAgentState.DONE;
}
}
}
public Treasures(Stage theStage, string label, string meshFile) : base(theStage, label, meshFile)
{
isCollidable = true;
int spacing = stage.Terrain.Spacing;
Terrain terrain = stage.Terrain;
treasureList = new Treasure[numberOfTreasures];
treasureList[0] = new Treasure(447, 453);
treasureList[1] = new Treasure(320, 320);
treasureList[2] = new Treasure(480, 320);
treasureList[3] = new Treasure(400, 490);
for (int i = 0; i < treasureList.Length; i++)
{
addObject(new Vector3(treasureList[i].getXPos() * spacing, terrain.surfaceHeight((int)treasureList[i].getXPos(),
(int)treasureList[i].getZPos()), treasureList[i].getZPos() * spacing), Vector3.Up, 0.0f);
}
}
/// <summary>
/// Handle player input that affects the player.
/// See Stage.Update(...) for handling user input that affects
/// how the stage is rendered.
/// First check if gamepad is connected, if true use gamepad
/// otherwise assume and use keyboard.
/// </summary>
/// <param name="gameTime"></param>
public override void Update(GameTime gameTime)
{
KeyboardState keyboardState = Keyboard.GetState();
if (keyboardState.IsKeyDown(Keys.R) && !oldKeyboardState.IsKeyDown(Keys.R))
{
agentObject.Orientation = initialOrientation;
}
// allow more than one keyboardState to be pressed
if (keyboardState.IsKeyDown(Keys.Up))
{
agentObject.Step++;
}
if (keyboardState.IsKeyDown(Keys.Down))
{
agentObject.Step--;
}
if (keyboardState.IsKeyDown(Keys.Left))
{
rotate++;
}
if (keyboardState.IsKeyDown(Keys.Right))
{
rotate--;
}
oldKeyboardState = keyboardState; // Update saved state.
agentObject.Yaw = rotate * angle;
Treasure t = stage.GetClosestTreasure(agentObject.Translation);
if (t != null)
{
float distance = Vector3.Distance(agentObject.Translation, t.Obj.Translation);
if (distance < distanceToTagTreasure + t.BoundingSphereRadius)
{
stage.TagTreasure(t, this);
this.treasuresFound++;
}
}
base.Update(gameTime);
rotate = agentObject.Step = 0;
}
internal Treasure GetClosestTreasure(Vector3 translation)
{
// Set distance to Maximum, find the closest untagged treasure
float closestDistance = float.MaxValue;
Treasure closestTreasure = null;
// Find closest treasure
foreach (Treasure t in Treasures)
{
float distanceToTreasure = Vector3.Distance(translation, t.Obj.Translation);
if (distanceToTreasure < closestDistance && !t.IsTagged())
{
closestDistance = distanceToTreasure;
closestTreasure = t;
}
}
return(closestTreasure);
}
/// <summary>
/// Set GraphicDevice display and rendering BasicEffect effect.
/// Create SpriteBatch, font, and font positions.
/// Creates the traceViewport to display information and the sceneViewport
/// to render the environment.
/// Create and add all DrawableGameComponents and Cameras.
/// First, add all required contest: Inspector, Cameras, Terrain, Agents
/// Second, add all optional (scene specific) content
/// </summary>
protected override void LoadContent()
{
display = graphics.GraphicsDevice;
effect = new BasicEffect(display);
// Set up Inspector display
spriteBatch = new SpriteBatch(display); // Create a new SpriteBatch
inspectorFont = Content.Load <SpriteFont>("Consolas"); // Windows XNA && MonoGames
// set window size
graphics.PreferredBackBufferWidth = windowWidth;
graphics.PreferredBackBufferHeight = windowHeight;
graphics.ApplyChanges();
// viewports
defaultViewport = GraphicsDevice.Viewport;
inspectorViewport = defaultViewport;
sceneViewport = defaultViewport;
inspectorViewport.Height = InfoPaneSize * inspectorFont.LineSpacing;
inspectorProjection = Matrix.CreatePerspectiveFieldOfView(fov,
inspectorViewport.Width / inspectorViewport.Height, hither, yon);
sceneViewport.Height = defaultViewport.Height - inspectorViewport.Height;
sceneViewport.Y = inspectorViewport.Height;
sceneProjection = Matrix.CreatePerspectiveFieldOfView(fov,
sceneViewport.Width / sceneViewport.Height, hither, yon);
// create Inspector display
Texture2D inspectorBackground = Content.Load <Texture2D>("inspectorBackground");
inspector = new Inspector(display, inspectorViewport, inspectorFont, Color.Black, inspectorBackground);
// create information display strings
// help strings
inspector.setInfo(0, "Academic Graphics MonoGames 3.6 Starter Kit for CSUN Comp 565 assignments.");
inspector.setInfo(1, "Press keyboard for input (not case sensitive 'H' || 'h') 'Esc' to quit");
inspector.setInfo(2, "Inspector toggles: 'H' help or info 'M' matrix or info 'I' displays next info pane.");
inspector.setInfo(3, "Arrow keys move the player in, out, left, or right. 'R' resets player to initial orientation.");
inspector.setInfo(4, "Stage toggles: 'B' bounding spheres, 'C' || 'X' cameras, 'T' fixed updates");
// initialize empty info strings
for (int i = 5; i < 20; i++)
{
inspector.setInfo(i, " ");
}
// set blending for bounding sphere drawing
blending = new BlendState();
blending.ColorSourceBlend = Blend.SourceAlpha;
blending.ColorDestinationBlend = Blend.InverseSourceAlpha;
blending.ColorBlendFunction = BlendFunction.Add;
notBlending = new BlendState();
notBlending = display.BlendState;
// Create and add stage components
// You must have a TopDownCamera, BoundingSphere3D, WayPoint3D, Terrain, and Agents (player, npAgent) in your stage!
// Place objects at a position, provide rotation axis and rotation radians.
// All location vectors are specified relative to the center of the stage.
// Create a top-down "Whole stage" camera view, make it first camera in collection.
topDownCamera = new Camera(this, Camera.CameraEnum.TopDownCamera);
camera.Add(topDownCamera);
boundingSphere3D = Content.Load <Model>("boundingSphereV8");
wayPoint3D = Content.Load <Model>("100x50x100Marker"); // model for navigation node display
// Create required entities:
collidable = new List <Object3D>(); // collection of objects to test for collisions
terrain = new Terrain(this, "terrain", "HongyouAdded/heightTexture", "HongyouAdded/colorTexture");
Components.Add(terrain);
// Load Agent mesh objects, meshes do not have textures
player = new Player(this, "Chaser",
new Vector3(510 * spacing, terrain.surfaceHeight(510, 507), 507 * spacing),
new Vector3(0, 1, 0), 0.78f, "redAvatarV6"); // face looking diagonally across stage
player.IsCollidable = true; // test collisions for player
Components.Add(player);
npAgent = new NPAgent(this, "Evader",
new Vector3(490 * spacing, terrain.surfaceHeight(490, 450), 450 * spacing),
new Vector3(0, 1, 0), 0.0f, "magentaAvatarV6"); // facing +Z
npAgent.IsCollidable = true; // npAgent does not test for collisions
Components.Add(npAgent);
// create file output stream for trace()
fout = new StreamWriter("trace.txt", false);
Trace = string.Format("{0} trace output from AGMGSKv8", DateTime.Today.ToString("MMMM dd, yyyy"));
// ------ The wall and pack are required for Comp 565 projects, but not AGMGSK ---------
// create walls for navigation algorithms
Wall wall = new Wall(this, "wall", "100x100x100Brick");
Components.Add(wall);
// create a pack for "flocking" algorithms
// create a Pack of 6 dogs centered at (450, 500) that is leaderless
Pack pack = new Pack(this, "dog", "dogV6", 6, 450, 430, player.AgentObject);
Components.Add(pack);
// ---------------------------------------------------
// ----------- MY CONTENT HERE -----------------------
// ---------------------------------------------------
inspector.setInfo(20, "Lerp is currently not active");
inspector.setInfo(21, "Treasure Seeking mode is off");
//Treasures (4 of them)
Treasure t1 = new Treasure(this, "treasure_box_1", "HongyouAdded/TreasureBox1", 444, 454);
treasures.Add(t1);
Components.Add(t1);
Treasure t2 = new Treasure(this, "treasure_box_2", "HongyouAdded/TreasureBox2", 502, 451);
treasures.Add(t2);
Components.Add(t2);
Treasure t3 = new Treasure(this, "treasure_box_3", "HongyouAdded/TreasureBox3", 398, 110);
treasures.Add(t3);
Components.Add(t3);
Treasure t4 = new Treasure(this, "treasure_box_4", "HongyouAdded/TreasureBox4", 328, 139);
treasures.Add(t4);
Components.Add(t4);
//Shrubs (300 of them)
Bushes bushes = new Bushes(this, "Bush", "HongyouAdded/Bush", 300);
Components.Add(bushes);
//Huts (10 of them)
Huts huts = new Huts(this, "hut", "HongyouAdded/Hut", 10);
Components.Add(huts);
ObstacleHuts obstacles = new ObstacleHuts(this, "hut", "HongyouAdded/Hut");
Components.Add(obstacles);
// --------------------------------------------------
// ----------- MY CONTENT END -----------------------
// --------------------------------------------------
// create a temple
Model3D m3d = new Model3D(this, "temple", "templeV3");
m3d.IsCollidable = true; // must be set before addObject(...) and Model3D doesn't set it
m3d.addObject(new Vector3(340 * spacing, terrain.surfaceHeight(340, 340), 340 * spacing),
new Vector3(0, 1, 0), 0.79f); // , new Vector3(1, 4, 1));
Components.Add(m3d);
// create 20 clouds
Cloud cloud = new Cloud(this, "cloud", "cloudV3", 20);
// Set initial camera and projection matrix
setCamera(1); // select the "whole stage" camera
Components.Add(cloud);
// Describe the scene created
Trace = string.Format("scene created:");
Trace = string.Format("\t {0,4:d} components", Components.Count);
Trace = string.Format("\t {0,4:d} collidable objects", Collidable.Count);
Trace = string.Format("\t {0,4:d} cameras", camera.Count);
}
internal void TagTreasure(Treasure t, Agent a)
{
t.Tag(a);
Components.Remove(t);
}