//
public PlacementController(MainFrame motherFrame, ProductAdding pa)
{
this.motherFrame = motherFrame;
productAdding = pa;
clickLocation = new Point(0, 0);
productAdding.productPanel.knowYourController(this);
//Make an event when the selection of the ASSORTMENT or INVENTORY has changed
productAdding.productList1.SelectionChanged += new ProductSelectionChanged(this.ChangeSelected);
//Select the first product from the product list, and display it in the default info
try
{
ProductInfo defaultInfo = new ProductInfo(ProductModel.List[0]);
ChangeSelected(defaultInfo);
}
catch { }
//Make an event that triggers when the list is changed, so that it automatically repaints the screen.
placedProductList.CollectionChanged += ppList_CollectionChanged;
//TEMP
//Fill the staticlyplaced list with walls
Vector pointTopLeft = new Vector(0, 0);
Vector pointTopRight = new Vector(productAdding.productPanel.Width - 1, 0);
Vector pointBottomLeft = new Vector(0, productAdding.productPanel.Height - 1);
Vector pointBottomRight = new Vector(productAdding.productPanel.Width - 1, productAdding.productPanel.Height - 1);
staticlyPlacedObjectList = new List<PlacedProduct>();
int length = (int)(pointBottomRight.Y - pointTopRight.Y);
int width = (int)(pointTopRight.X - pointTopLeft.X);
staticlyPlacedObjectList.Add( //Top
new PlacedProduct(
new ProductModel(0, "", "", width, 1, 1, true),
new PointF(width / 2, 0)));
staticlyPlacedObjectList.Add( //Right
new PlacedProduct(
new ProductModel(0, "", "", 1, 1, length, true),
new PointF(width, length / 2)));
staticlyPlacedObjectList.Add( //Bottom
new PlacedProduct(
new ProductModel(0, "", "", width, 1, 1, true),
new PointF(width / 2, length)));
staticlyPlacedObjectList.Add( //Left
new PlacedProduct(
new ProductModel(0, "", "", 1, 1, length, true),
new PointF(0, length / 2)));
}
public void Offset(float x, float y)
{
for (int i = 0; i < points.Count; i++)
{
Vector p = points[i];
points[i] = new Vector(p.X + x, p.Y + y);
}
}
public float DistanceTo(Vector vector)
{
return (float)Math.Sqrt(Math.Pow(vector.X - this.X, 2) + Math.Pow(vector.Y - this.Y, 2));
}
public float DotProduct(Vector vector)
{
return this.X * vector.X + this.Y * vector.Y;
}
public bool Equals(Vector v)
{
return X == v.X && Y == v.Y;
}
public void MoveProduct(PlacedProduct selectedProduct, List<PlacedProduct> placedProducts, Vector deltaVector, int panelWidth, int panelHeight)
{
//A variable to keep track of collision
bool collision = false;
//The new location that the product is going towards
Point newLocationPoint = new Point(
(int)(selectedProduct.Location.X + deltaVector.X),
(int)(selectedProduct.Location.Y + deltaVector.Y) );
//Checkes the borders
foreach (Polygon wall in selectedProduct.PolyBorder(panelWidth, panelHeight))
{
PolygonCollisionController.PolygonCollisionResult result =
PolygonCollisionController.PolygonCollision(selectedProduct.Poly, wall, deltaVector);
if (result.WillIntersect)
{
collision = true;
break;
}
}
//Loops through each item and determines if it collides with any of them
foreach (PlacedProduct collisionTarget in placedProducts)
{
if (collision)
{ break; }
if (selectedProduct.Product.Collidable == false) //If the selected product is not collidable. For example an 'Energy Socket'. Break out the loop and place it.
{ break; }
if (collisionTarget.Product.Collidable == false) //If the target is not collidable. For example an 'Energy Socket'. Skip this loop and go to the next target.
{ continue; }
PolygonCollisionController.PolygonCollisionResult result =
PolygonCollisionController.PolygonCollision(selectedProduct.Poly, collisionTarget.Poly, deltaVector);
if (result.WillIntersect)
{
collision = true;
break;
}
}
//Failsafe check at the end
if (!collision)
{ /*selectedProduct.MoveTo(newLocationPoint); */}
else
{
MessageBox.Show("Fail");
}
MessageBox.Show(newLocationPoint.ToString());
}
/// <summary>
/// Moves the product a certain amount to a certain direction
/// </summary>
/// <param name="X_Axis">Chooses the axis that the product moves on. True for X-axis. False for Y-axis</param>
public static void placement_Move(PlacedProduct targetProduct, bool X_Axis)
{
int x = 0;
int y = 0;
if (X_Axis) { x += targetProduct.GridSpace; }
else { y += targetProduct.GridSpace; }
Vector velocity = new Vector(x, y);
Vector playerTranslation1 = velocity;
Vector playerTranslation2 = velocity;
//Resets the speed, after the velocity has been assigned.
if (targetProduct.GridSpace < 0) { targetProduct.GridSpace *= -1; }
//Test all product polygons for a collision
foreach (PlacedProduct placedP in placedProductList)
{
//Test if the selected polygon is himself
if (placedP.Poly == targetProduct.Poly)
{
continue;
}
//Test if the polygon collides with others
PolygonCollisionController.PolygonCollisionResult r = PolygonCollisionController.PolygonCollision(targetProduct.Poly, placedP.Poly, velocity);
//If it does, alter the speed
if (r.WillIntersect)
{
//
playerTranslation1 = velocity + r.MinimumTranslationVector;
if (X_Axis) //Moving the x-axis, so set the y-axis velocity to 0
{
playerTranslation1.Y = 0;
}
else //Moving the y-axis, so set the x-axis velocity to 0
{
playerTranslation1.X = 0;
}
//If there is any movement along the Y axis while moving along the X axis, then the polygon collision want to move around the other polygon. Can't let that happen. So set all movement to 0.
if (X_Axis && r.MinimumTranslationVector.Y != 0)
{
playerTranslation1.X = 0;
playerTranslation1.Y = 0;
}
if (!X_Axis && r.MinimumTranslationVector.X != 0)
{
playerTranslation1.X = 0;
playerTranslation1.Y = 0;
}
//Round down to the closest x pixels
playerTranslation1.X = ((int)playerTranslation1.X / targetProduct.GridSpace) * targetProduct.GridSpace;
playerTranslation1.Y = ((int)playerTranslation1.Y / targetProduct.GridSpace) * targetProduct.GridSpace;
//MessageBox.Show("then " + playerTranslation1.X.ToString() + " and " + playerTranslation1.Y.ToString());
break;
}
}
//Test all product polygons for a collision
foreach (PlacedProduct placedO in staticlyPlacedObjectList)
{
//Test if the selected polygon is himself
if (placedO.Poly == targetProduct.Poly)
{
continue;
}
//Test if the polygon collides with others
PolygonCollisionController.PolygonCollisionResult r = PolygonCollisionController.PolygonCollision(targetProduct.Poly, placedO.Poly, velocity);
//If it does, alter the speed
if (r.WillIntersect)
{
//
playerTranslation2 = velocity + r.MinimumTranslationVector;
if (X_Axis) //Moving the x-axis, so set the y-axis velocity to 0
{
playerTranslation2.Y = 0;
}
else //Moving the y-axis, so set the x-axis velocity to 0
{
playerTranslation2.X = 0;
}
//If there is any movement along the Y axis while moving along the X axis, then the polygon collision want to move around the other polygon. Can't let that happen. So set all movement to 0.
if (X_Axis && r.MinimumTranslationVector.Y != 0)
{
playerTranslation2.X = 0;
playerTranslation2.Y = 0;
}
if (!X_Axis && r.MinimumTranslationVector.X != 0)
{
playerTranslation2.X = 0;
playerTranslation2.Y = 0;
}
//Round down to the closest x pixels
playerTranslation2.X = ((int)playerTranslation2.X / targetProduct.GridSpace) * targetProduct.GridSpace;
playerTranslation2.Y = ((int)playerTranslation2.Y / targetProduct.GridSpace) * targetProduct.GridSpace;
//MessageBox.Show("then " + playerTranslation2.X.ToString() + " and " + playerTranslation2.Y.ToString());
break;
}
}
//Compares the tanslations
/*
1. Makes a new vector
2. compares the two, and chooses the highest for the X and the highest for the Y (it looks for the highest number, even when negative. ie. -10 is higher than 4)
3. If one of the two is 0, then set that Axis to 0
*/
//1
Vector playerTranslation = new Vector();
//2
playerTranslation.X = Math.Abs(playerTranslation1.X) > Math.Abs(playerTranslation2.X)
? playerTranslation1.X
: playerTranslation2.X;
playerTranslation.Y = Math.Abs(playerTranslation1.Y) > Math.Abs(playerTranslation2.Y)
? playerTranslation1.Y
: playerTranslation2.Y;
//3
if (playerTranslation1.X == 0 || playerTranslation2.X == 0)
{
playerTranslation.X = 0;
}
if (playerTranslation1.Y == 0 || playerTranslation2.Y == 0)
{
playerTranslation.Y = 0;
}
//Set the polygon points
targetProduct.Poly.Offset(playerTranslation);
//Update the corner points
for (int index = 0; index < targetProduct.Poly.Points.Count; index++)
{
targetProduct.CornerPoints[index] = new PointF(targetProduct.Poly.Points[index].X, targetProduct.Poly.Points[index].Y);
}
//Update the center point
targetProduct.Location = new PointF(targetProduct.Location.X + playerTranslation.X, targetProduct.Location.Y + playerTranslation.Y);
}
/// <summary>
/// Event that triggers when the dragdrop object is dragged across the screen.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void event_DragOver(object sender, DragEventArgs e)
{
//If not ProductModel or PlacedProduct, then exit out, because you can only get the location from them
if (!(e.Data.GetDataPresent(typeof(ProductModel)) || e.Data.GetDataPresent((typeof(PlacedProduct)))))
{
draggingItem = false;
return;
}
else
{
draggingItem = true;
}
//Gets the location of the mouse inside of the panel
Point newLocation = new Point(e.X, e.Y);
newLocation = motherFrame.PointToClient(newLocation);
newLocation.X -= productAdding.productPanel.Left;
newLocation.Y -= productAdding.productPanel.Top;
newLocation.Y -= motherFrame.menuStrip1.Height;
newLocation.X /= MovementSpeed; newLocation.X *= MovementSpeed; //Round down to the movement speed. (AKA: Fit into the grid)
newLocation.Y /= MovementSpeed; newLocation.Y *= MovementSpeed; //Round down to the movement speed.
Color drawImageColor;
if (e.Data.GetDataPresent(typeof (ProductModel)))
{
//Make a new model, size and color
ProductModel model = (ProductModel)e.Data.GetData(typeof (ProductModel));
drawImageColor = GetMainCategoryColorIfNeeded(model.ProductCategory.CatId);
//Colour in the bitmap and resize it.
Graphics gfx = Graphics.FromImage(drawImageGhostBitmap);
SolidBrush brush = new SolidBrush(Color.FromArgb(128, drawImageColor.R, drawImageColor.G, drawImageColor.B));
gfx.FillRectangle(brush, new Rectangle(new Point(0, 0), new Size(1000,1000)));
//Small dispose
brush.Dispose();
gfx.Dispose();
//Set the Bitmap and new location
drawImageGhostBitmap = new Bitmap(drawImageGhostBitmap, model.Width, model.Length);
drawImageGhostPoint = new Point(newLocation.X - model.Width/2, newLocation.Y - model.Length/2); //Calculates the top left point for the Ghost.
}
else if (e.Data.GetDataPresent(typeof (PlacedProduct)))
{
//Get the rotated bitmap
PlacedProduct placedP = (PlacedProduct)e.Data.GetData(typeof(PlacedProduct));
drawImageGhostBitmap = placedP.RotatedMap;
Vector clickOffsetVector = new Vector((clickLocation.X - placedP.Location.X), (clickLocation.Y - placedP.Location.Y)); //Get the click offset if the user clicked the bottom left of the image
//Set the new location
drawImageGhostPoint = new Point(
newLocation.X - drawImageGhostBitmap.Width/2 - (int) clickOffsetVector.X,
newLocation.Y - drawImageGhostBitmap.Height/2 - (int) clickOffsetVector.Y);
//Calculates the top left point for the Ghost.
}
//And then repaint the panel
DoRepaintWithGhost();
}
// Check if polygon A is going to collide with polygon B for the given velocity
public static PolygonCollisionResult PolygonCollision(Polygon polygonA, Polygon polygonB, Vector velocity)
{
PolygonCollisionResult result = new PolygonCollisionResult();
result.Intersect = true;
result.WillIntersect = true;
int edgeCountA = polygonA.Edges.Count;
int edgeCountB = polygonB.Edges.Count;
float minIntervalDistance = float.PositiveInfinity;
Vector translationAxis = new Vector();
Vector edge;
// Loop through all the edges of both polygons
for (int edgeIndex = 0; edgeIndex < edgeCountA + edgeCountB; edgeIndex++)
{
if (edgeIndex < edgeCountA)
{
edge = polygonA.Edges[edgeIndex];
}
else
{
edge = polygonB.Edges[edgeIndex - edgeCountA];
}
// ===== 1. Find if the polygons are currently intersecting =====
// Find the axis perpendicular to the current edge
Vector axis = new Vector(-edge.Y, edge.X);
axis.Normalize();
// Find the projection of the polygon on the current axis
float minA = 0; float minB = 0; float maxA = 0; float maxB = 0;
ProjectPolygon(axis, polygonA, ref minA, ref maxA);
ProjectPolygon(axis, polygonB, ref minB, ref maxB);
// Check if the polygon projections are currentlty intersecting
if (IntervalDistance(minA, maxA, minB, maxB) > 0) result.Intersect = false;
// ===== 2. Now find if the polygons *will* intersect =====
// Project the velocity on the current axis
float velocityProjection = axis.DotProduct(velocity);
// Get the projection of polygon A during the movement
if (velocityProjection < 0)
{
minA += velocityProjection;
}
else
{
maxA += velocityProjection;
}
// Do the same test as above for the new projection
float intervalDistance = IntervalDistance(minA, maxA, minB, maxB);
if (intervalDistance > 0) result.WillIntersect = false;
// If the polygons are not intersecting and won't intersect, exit the loop
if (!result.Intersect && !result.WillIntersect) break;
// Check if the current interval distance is the minimum one. If so store
// the interval distance and the current distance.
// This will be used to calculate the minimum translation vector
intervalDistance = Math.Abs(intervalDistance);
if (intervalDistance < minIntervalDistance)
{
minIntervalDistance = intervalDistance;
translationAxis = axis;
Vector d = polygonA.Center - polygonB.Center;
if (d.DotProduct(translationAxis) < 0) translationAxis = -translationAxis;
}
}
// The minimum translation vector can be used to push the polygons appart.
// First moves the polygons by their velocity
// then move polygonA by MinimumTranslationVector.
if (result.WillIntersect) result.MinimumTranslationVector = translationAxis * minIntervalDistance;
return result;
}
// Calculate the projection of a polygon on an axis and returns it as a [min, max] interval
public static void ProjectPolygon(Vector axis, Polygon polygon, ref float min, ref float max)
{
// To project a point on an axis use the dot product
float d = axis.DotProduct(polygon.Points[0]);
min = d;
max = d;
for (int i = 0; i < polygon.Points.Count; i++)
{
d = polygon.Points[i].DotProduct(axis);
if (d < min)
{
min = d;
}
else
{
if (d > max)
{
max = d;
}
}
}
}
//makes the points move.
public void Offset(Vector v)
{
Offset(v.X, v.Y);
}
public List<Polygon> PolyBorder(int width, int height)
{
//List to return
List<Polygon> list = new List<Polygon>();
//
//Add the 4 corners
//
Polygon pTop = new Polygon();
Polygon pRight = new Polygon();
Polygon pBottom = new Polygon();
Polygon pLeft = new Polygon();
//Points for corners
Vector pointTopLeft = new Vector(0, 0);
Vector pointTopRight = new Vector(width, 0);
Vector pointBottomLeft = new Vector(0, height);
Vector pointBottomRight = new Vector(width, height);
//Add points/vectors
pTop.Points.Add(pointTopLeft);
pTop.Points.Add(pointTopRight);
//
pRight.Points.Add(pointTopRight);
pRight.Points.Add(pointBottomRight);
//
pBottom.Points.Add(pointBottomRight);
pBottom.Points.Add(pointBottomLeft);
//
pLeft.Points.Add(pointBottomLeft);
pLeft.Points.Add(pointTopLeft);
//Build edges
pTop.BuildEdges();
pRight.BuildEdges();
pBottom.BuildEdges();
pLeft.BuildEdges();
//Add to the list
list.Add(pTop);
list.Add(pRight);
list.Add(pBottom);
list.Add(pLeft);
return list;
}
public Polygon GetVirtualPolygon(Point newLocation)
{
Polygon virtualPolygon = new Polygon();
foreach (Vector v in Poly.Points)
{
virtualPolygon.Points.Add(v);
}
Vector delta = new Vector(new Vector(newLocation) - new Vector(Location));
virtualPolygon.Offset(delta);
virtualPolygon.BuildEdges();
return virtualPolygon;
}
