public DeadObject(Texture2D texture, Vector2 position, IsoGrid grid)
{
this.tex = texture;
this.gridposition = position;
this.rect = new Rectangle(0,0,tex.Width, tex.Height);
this.position = grid.gridCoords(gridposition) - new Vector2(tex.Width/2.0f,tex.Height);
}
public void StartRoute(ModCity city, ModCity homeCity, IsoGrid isogrid, Path path)
{
// calculate a path for movement
running = true;
drawPath = path.PathList(homeCity.gridposition + new Vector2(2, 2), city.gridposition + new Vector2(2, 2), isogrid);
pathStep = 1;
walkingTarget = drawPath[pathStep];
gridPosition = drawPath[0];
position = isogrid.gridCoords( homeCity.position);
}
public void Draw(SpriteBatch sbatch, Path path, GraphicsDevice graphicsDevice,IsoGrid isogrid)
{
if (running == true)
{
if (drawPaths == true)
{
path.Draw(graphicsDevice, sbatch, drawPath, Vector2.Zero, isogrid);
}
sbatch.Draw(tex, position + drawOffset, rect, Color.White, 0.0f, Vector2.Zero, 1.0f, SpriteEffects.None, 0.5f);
}
}
public GridTileRegion(Texture2D texture, Vector2 gridposition,Vector2 region, IsoGrid grid, Random random)
{
this.tex = texture;
this.rect = new Rectangle(0, 0, tex.Width/size, tex.Height/size);
this.gridPosition = gridposition;
this.region = region;
for (int x = 0; x < region.X; x++)
{
for (int y = 0; y < region.Y; y++)
{
nums.Add(new Vector2(random.Next(10),random.Next(10)));
pos.Add(grid.gridCoords(gridposition + new Vector2(x,y)));
}
}
}
public void Draw(GraphicsDevice graphicsDevice, SpriteBatch sbatch, List<Vector2> path, Vector2 offset, IsoGrid grid)
{
Texture2D blank = new Texture2D(graphicsDevice, 1, 1, false, SurfaceFormat.Color);
blank.SetData(new[] { Microsoft.Xna.Framework.Color.White });
for (int x = 0; x < (path.Count() - 1); x++)
{
Vector2 startPoint = grid.gridCoords(path[x]);
Vector2 endPoint = grid.gridCoords(path[x + 1]);
float angle = (float)Math.Atan2(endPoint.Y - startPoint.Y, endPoint.X - startPoint.X);
float length = Vector2.Distance(startPoint, endPoint);
sbatch.Draw(blank, startPoint + offset, null, Microsoft.Xna.Framework.Color.Blue, angle, Vector2.Zero, new Vector2(length, 3.0f), SpriteEffects.None, 0);
}
}
public City(string name, Texture2D texture,Texture2D highlightTexture, Texture2D clickedTexture, Vector2 position, IsoGrid grid, Tuple<float,float,float> politicalStanding,List<Ship> shipList, List<Material> materialList, bool playerCity = false)
{
this.lowTex = texture;
this.highTex = highlightTexture;
this.clickTex = clickedTexture;
this.gridposition = position;
this.rect = new Rectangle(0, 0, lowTex.Width, lowTex.Height);
this.position = grid.gridCoords(gridposition) - new Vector2(0, lowTex.Height);
this.name = name;
this.player = playerCity;
this.politics = politicalStanding;
this.ships = shipList;
this.materials = materialList;
this.tex = lowTex;
}
// The public instance class
public ReachableArea(IsoGrid grid, List<ModCity> citiesList)
{
this.width = (int)grid.size.X;
this.height = (int)grid.size.Y;
this.reachable = new int[width, height];
for (int x = 0; x < (width); x++)
{
for (int y = 0; y < (height); y++)
{
reachable[x, y] = 0;
}
}
this.cityList = citiesList;
foreach (ModCity city in cityList)
{
reachable[(int)city.gridposition.X , (int)city.gridposition.Y ] = 1;
}
}
public List<Vector2> PathList(Vector2 start, Vector2 end, IsoGrid grid)
{
Vector2 startPosition = start;
Vector2 endPosition = end;
Vector2 currentPosition = startPosition;
List<Vector2> openList = new List<Vector2>(); // squares to check
openList.Add(startPosition);
List<Vector2> openListParent = new List<Vector2>(); // shortest path back from a square
openListParent.Add(startPosition);
List<float> openListF = new List<float>(); // usefulness of a square
openListF.Add(0);
List<float> openListG = new List<float>(); // distance of a square from start
openListG.Add(0);
List<Vector2> closedList = new List<Vector2>(); // checked squares
List<Vector2> closedParents = new List<Vector2>();
List<Vector2> path = new List<Vector2>(); // list of vectors between points
int currentIndex;
// --------- path finding loop -------------------------------
if (startPosition != endPosition)
{
while (currentPosition != endPosition)
{
// calculate adjacent points
Vector2[,] currentAdjacent = Adjacent(currentPosition);
currentIndex = openList.IndexOf(currentPosition);
// for each square adjacent to the current position...
for (int x = 0; x < 3; x++)
{
for (int y = 0; y < 3; y++)
{
// if the square is on the screen and reachable...
if (currentAdjacent[x, y] != currentPosition
&& currentAdjacent[x, y].X >= 1 && currentAdjacent[x, y].Y >= 1
&& currentAdjacent[x, y].X <= grid.size.X && currentAdjacent[x, y].Y <= grid.size.Y
&& closedList.IndexOf(currentAdjacent[x, y]) < 0)
{
if (Check((int)currentAdjacent[x, y].X, (int)currentAdjacent[x, y].Y) == true)
{
// calculate usefulness of the square...
Vector2 Cvector = currentAdjacent[x, y] - currentPosition;
Vector2 Hvector = currentAdjacent[x, y] - endPosition;
double C = Math.Sqrt(Math.Pow((double)Cvector.X,2.0)+ Math.Pow((double)Cvector.Y,2.0)); // distance from current position
float S = openListG[currentIndex]; // distance to current position
float G = (float)C + S; // distance from start position
float H = Hvector.Length(); // direct distance to final position
//float H = Math.Abs(Hvector.X) + Math.Abs(Hvector.Y); // 'Manhatten' distance estimate to final position (gives smoother paths)
float F = G + H; // usefulness of this square
// add to open array if not already present
if (openList.IndexOf(currentAdjacent[x, y]) < 0)
{
openList.Add(currentAdjacent[x, y]);
openListParent.Add(currentPosition);
openListF.Add(F);
openListG.Add(G);
}
// if present in open array, check if path from current position is shorter
if (openList.IndexOf(currentAdjacent[x, y]) >= 0)
{
int adjacentIndex = openList.IndexOf(currentAdjacent[x, y]);
if (G < openListG[adjacentIndex])
{
openListParent[adjacentIndex] = currentPosition;
openListF[adjacentIndex] = F;
openListG[adjacentIndex] = G;
}
}
}
}
}
}
// add current psition to closed list
closedList.Add(currentPosition);
closedParents.Add(openListParent[currentIndex]);
// remove current position from open list
openList.Remove(currentPosition);
openListF.Remove(openListF[currentIndex]);
openListG.Remove(openListG[currentIndex]);
openListParent.Remove(openListParent[currentIndex]);
// find coordinate with smallest F value, set to current position (if there's a path!)
if (openListF.Count > 0)
{
float minF = openListF.Min();
int minFIndex = openListF.IndexOf(minF);
currentPosition = openList[minFIndex];
}
else
{
break;
}
}
Vector2 pathCurrentPosition = closedList[closedList.Count - 1];
int pathCurrentIndex = 0;
path.Add(endPosition); ////////////////
while (pathCurrentPosition != startPosition)
{
path.Add(pathCurrentPosition);
pathCurrentIndex = closedList.IndexOf(pathCurrentPosition);
pathCurrentPosition = closedParents[pathCurrentIndex];
}
path.Add(startPosition); ///////////////
for (int x = 0; x < path.Count; x++)
{
path[x] = new Vector2(path[x].X, path[x].Y);
}
}
path.Reverse();
return path;
}
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
// grid & camera
isoGrid = new IsoGrid(GraphicsDevice,Math.PI/6.0,30,new Vector2(100,100));
cameraPosition = isoGrid.cameraCentre(new Vector2(11,12),graphics); // initial camera position!
scrollSpeed = 10.0f;
// fonts
font = Content.Load<SpriteFont>("font");
// cursor
cursor = new Cursor(Content.Load<Texture2D>("cursor"));
// HUD
buttons = new List<Button> { };
// random seed
random = new Random();
// spacescape
tiles = new GridTileRegion(Content.Load<Texture2D>("starTiles"), new Vector2(-1, 0),new Vector2(100,100), isoGrid,random);
// --- game objects ----------
// ships
trader = new Ship("Trading Ship", Content.Load<Texture2D>("cargoShip"));
transport = new Ship("Transport Ship", Content.Load<Texture2D>("cargoShip"));
// materials
metal = new Material("Metal");
rock = new Material("Rock");
gems = new Material("Gemstones");
// buildings
dwellBlock = new Building("Dwelling Block",Content.Load<Texture2D>("building2"),3,new Vector2(0,0),new Vector2(1,1));
dwellBlockLarge = new Building("Large Dwelling Block",Content.Load<Texture2D>("building5"), 3, new Vector2(0, 0), new Vector2(1, 1));
govTower = new Building("Goverment Central Tower",Content.Load<Texture2D>("building3"), 1, new Vector2(0, 0), new Vector2(3, 3));
hugeGovTower = new Building("Huge Governemnt Central Tower", Content.Load<Texture2D>("hugeGovernmentTower"), 1, new Vector2(0, 0), new Vector2(12, 12));
Factory = new Building("Factory",Content.Load<Texture2D>("building4"), 2, new Vector2(0, 0), new Vector2(2, 1));
Arena = new Building("Entertainment Arena",Content.Load<Texture2D>("building1"), 1, new Vector2(0, 0), new Vector2(2, 2));
// cities
modCity = new ModCity("Customisable City", Content.Load<Texture2D>("smallcity"), Content.Load<Texture2D>("smallcityHigh"), Content.Load<Texture2D>("smallcityClick"), new Vector2(20, 3),new Vector2(20, 85),8, isoGrid, new Tuple<float, float, float>(0.33f, 0.33f, 0.34f), new List<Ship> { trader }, new List<Material> { metal }, new List<Tuple<Building, int>> { new Tuple<Building, int>(dwellBlock, 4), new Tuple<Building, int>(dwellBlockLarge, 4), new Tuple<Building, int>(govTower, 1), new Tuple<Building, int>(Arena, 1),new Tuple<Building,int>(Factory,3) }, GraphicsDevice, random);
modCity2 = new ModCity("Another Customisable City", Content.Load<Texture2D>("smallcity"), Content.Load<Texture2D>("smallcityHigh"), Content.Load<Texture2D>("smallcityClick"), new Vector2(30, 5),new Vector2(20, 85),8, isoGrid, new Tuple<float, float, float>(0.33f, 0.33f, 0.34f), new List<Ship> { trader }, new List<Material> { metal }, new List<Tuple<Building, int>> { new Tuple<Building, int>(dwellBlock, 4), new Tuple<Building, int>(dwellBlockLarge, 4), new Tuple<Building, int>(govTower, 1), new Tuple<Building, int>(Arena, 1), new Tuple<Building, int>(Factory, 3) }, GraphicsDevice, random);
homeModCity = new ModCity("Home Customisable City", Content.Load<Texture2D>("smallcity"), Content.Load<Texture2D>("smallcityHigh"), Content.Load<Texture2D>("smallcityClick"), new Vector2(10, 10),new Vector2(20, 85),8, isoGrid, new Tuple<float, float, float>(0.33f, 0.33f, 0.34f), new List<Ship> { trader }, new List<Material> { metal }, new List<Tuple<Building, int>> { new Tuple<Building, int>(dwellBlock, 4), new Tuple<Building, int>(dwellBlockLarge, 4), new Tuple<Building, int>(govTower, 1), new Tuple<Building, int>(Arena, 1), new Tuple<Building, int>(Factory, 3) }, GraphicsDevice, random, true);
hugeCity = new ModCity("Huge City", Content.Load<Texture2D>("hugecity"), Content.Load<Texture2D>("hugecityHigh"), Content.Load<Texture2D>("hugecityClick"), new Vector2(30, 30), new Vector2(-100,280), 90, isoGrid, new Tuple<float, float, float>(0.30f, 0.30f, 0.4f), new List<Ship> { trader }, new List<Material> { metal }, new List<Tuple<Building, int>> {new Tuple<Building, int>(hugeGovTower,1), new Tuple<Building, int>(dwellBlock, 1000), new Tuple<Building, int>(dwellBlockLarge, 400), new Tuple<Building, int>(govTower, 1), new Tuple<Building, int>(Arena, 50), new Tuple<Building, int>(Factory, 300) }, GraphicsDevice, random);
fullCity = new ModCity("A Full City", Content.Load<Texture2D>("smallcity"), Content.Load<Texture2D>("smallcityHigh"), Content.Load<Texture2D>("smallcityClick"), new Vector2(10, 15), new Vector2(7, 90), 9, isoGrid, new Tuple<float, float, float>(0.33f, 0.33f, 0.34f), new List<Ship> { trader }, new List<Material> { metal }, new List<Tuple<Building, int>> { new Tuple<Building, int>(dwellBlock, 64)}, GraphicsDevice, random);
modCities = new List<ModCity> { modCity, modCity2,homeModCity,hugeCity,fullCity };
universe = new DeadObject(Content.Load<Texture2D>("universe"), new Vector2(90, 94), isoGrid);
uiball = new DeadUIObject(Content.Load<Texture2D>("rball"), new Vector2(10, 10));
// accesible region and paths
reach = new ReachableArea(isoGrid, modCities);
path = new Path(reach);
}
public void Update(Cursor cursor, Matrix cameraTransform, List<Button> buttons, GraphicsDevice graphicsDevice, Path path,IsoGrid isogrid, City homeCity)
{
Vector2 translation = new Vector2(cameraTransform.Translation.X,cameraTransform.Translation.Y);
screenPosition = position + translation;
if (cursor.position.X >= screenPosition.X && cursor.position.X <= screenPosition.X + rect.Width
&& cursor.position.Y >= screenPosition.Y && cursor.position.Y <= screenPosition.Y + rect.Height)
{
tex = highTex;
if (cursor.mstate.LeftButton == ButtonState.Pressed)
{
if (cursor.click == false)
{
cursor.click = true;
clicked = true;
if (player == false && tradeDeal == false)
{
tradeButton = new Button(new Vector2(10, 350), 150, 40, "Trade", graphicsDevice);
buttons.Add(tradeButton);
}
}
}
}
else
{
tex = lowTex;
if (tradeButton != null)
{
if (tradeButton.pressed == true)
{
buttons.Clear();
tradeDeal = true;
tradeButton = null;
ships[0].StartRoute(this,homeCity,isogrid,path);
}
else if (cursor.mstate.LeftButton == ButtonState.Pressed)
{
if (cursor.click == false)
{
cursor.click = true;
if (clicked == true)
{
clicked = false;
buttons.Clear();
}
}
}
}
else if (cursor.mstate.LeftButton == ButtonState.Pressed)
{
if (cursor.click == false)
{
if (clicked == true)
{
cursor.click = true;
clicked = false;
buttons.Clear();
}
}
}
}
if (clicked == true)
{
tex = clickTex;
}
}
public ModCity(string name, Texture2D texture, Texture2D highlightTexture, Texture2D clickedTexture, Vector2 gridposition,Vector2 gridOffset,float size, IsoGrid grid, Tuple<float, float, float> politicalStanding, List<Ship> shipList, List<Material> materialList, List<Tuple<Building, int>> buildingList, GraphicsDevice graphicsDevice,Random random, bool playerCity = false)
{
this.lowTex = texture;
this.highTex = highlightTexture;
this.clickTex = clickedTexture;
this.gridposition = gridposition;
this.rect = new Rectangle(0, 0, lowTex.Width, lowTex.Height);
this.position = grid.gridCoords(gridposition) - new Vector2(0, lowTex.Height);
this.name = name;
this.player = playerCity;
this.politics = politicalStanding;
this.ships = shipList;
this.materials = materialList;
this.buildingTypes = buildingList;
this.tex = lowTex;
this.isogrid = new CityIsoGrid(graphicsDevice, Math.PI / 6.0, 8, size ,position + gridOffset);
// fill grid with buildings in random positions
List<Vector2> positions = new List<Vector2>{}; // list of possible positions...
for (int i=0;i<isogrid.size;i++)
{
for (int j=0;j<isogrid.size;j++)
{
if (isogrid.usage[i,j] == 0)
{
positions.Add(new Vector2(i,j));
}
}
}
List<Vector2> rpositions = new List<Vector2>{}; // randomised list of possible positions...
foreach (Vector2 p in positions)
{
int i = random.Next(rpositions.Count);
rpositions.Insert(i,p);
}
foreach (Tuple<Building, int> buildingType in buildingList) // fit them all in somewhere...
{
for (int n = 0; n < buildingType.Item2; n++) // for the number in the city...
{
Vector2 pos = Vector2.Zero;
for (int j = 0; j < rpositions.Count; j++) // find a suitable position...
{
pos = rpositions[j];
bool fit = true;
for (int l = 0; l < buildingType.Item1.footprint.X; l ++)
{
for (int k = 0; k < buildingType.Item1.footprint.Y; k++)
{
if ((int)pos.X + l >= isogrid.usage.GetLength(0) | (int)pos.Y + k >= isogrid.usage.GetLength(1))
{
fit = false;
}
else if (isogrid.usage[(int)pos.X + l, (int)pos.Y + k] == 1)
{
fit = false;
}
}
}
if (fit == true)
{
break;
}
}
int type = random.Next(1, buildingType.Item1.variations);
buildings.Add(new Tuple<Building, int, Vector2>(buildingType.Item1, type, pos));
for (int x = (int)pos.X; x < buildingType.Item1.footprint.X + (int)pos.X; x++)
{
for (int y = (int)pos.Y; y < buildingType.Item1.footprint.Y + (int)pos.Y; y++)
{
isogrid.usage[x, y] = 1;
rpositions.Remove(pos + new Vector2(x, y));
}
}
}
}
}
public void Update(ModCity homeCity, IsoGrid isogrid, GameTime gametime)
{
// continuous movement
if (running == true)
{
direction = (isogrid.gridCoords(walkingTarget) - isogrid.gridCoords(gridPosition));
targetDistance = direction.Length();
direction.Normalize();
walkingOffset += direction * gametime.ElapsedGameTime.Milliseconds * 0.02f;
distanceGone = walkingOffset.Length();
if (distanceGone < targetDistance)
{
position = isogrid.gridCoords(gridPosition) + walkingOffset;
}
else
{
pathStep += 1;
if (pathStep < drawPath.Count)
{
gridPosition = drawPath[pathStep - 1];
walkingTarget = drawPath[pathStep];
position = isogrid.gridCoords(gridPosition);
}
else
{
drawPath.Reverse();
pathStep = 1;
walkingTarget = drawPath[pathStep];
gridPosition = drawPath[pathStep - 1];
position = isogrid.gridCoords(gridPosition);
}
walkingOffset = Vector2.Zero;
targetDistance = 0;
distanceGone = 0;
}
}
// set direction anim (8 directions!)
double dot = Vector2.Dot(new Vector2(0, -1), direction); // dot product of direction with vertical
double angle = Math.Acos(dot); // angle from vertical
if (angle == 0) { dir = 0; }
else if (0 < angle && angle < Math.PI / 2 && direction.X > 0) { dir = 1; }
else if (angle == Math.PI / 2 && direction.X > 0) { dir = 2; }
else if (Math.PI / 2 < angle && angle < Math.PI && direction.X > 0) { dir = 3; }
else if (angle == Math.PI) { dir = 4; }
else if (Math.PI / 2 < angle && angle < Math.PI && direction.X < 0) { dir = 5; }
else if (angle == Math.PI / 2 && direction.X < 0) { dir = 6; }
else if (0 < angle && angle < Math.PI/2 && direction.X < 0) { dir = 7; }
if (dir != 0)
{
}
// update animation
timer += gametime.ElapsedGameTime.Milliseconds;
if (timer >= msecsTweenFrames)
{
timer = 0;
if (currentFrame++ == numberOfFrames - 1)
{
currentFrame = 0;
}
}
rect.X = currentFrame * rect.Width;
rect.Y = dir * rect.Height;
}
