public void generateHeightMap(Continent continent, double frequency, double persistence, double octaves, double amplitude)
{
continent.heightMap = new float[continent.size, continent.size];
//generate heightmap from a modified perlin noise
r1 = random.Next(1000, 10000);
r2 = random.Next(100000, 1000000);
r3 = random.Next(1000000000, 2000000000);
for (int i = 0; i < continent.size; i++)
{
for (int j = 0; j < continent.size; j++)
{
continent.heightMap[i, j] = (float)(Common.MAX_TERRAIN_HEIGHT * (PerlinNoise(i, j, frequency, persistence, octaves, amplitude)));
}
}
}
public Continent generateContinent(int size)
{
Continent continent = new Continent();
continent.size = size;
//hard-coded; gotta change this as soon as
//a good range of values is found:
generateHeightMap(continent, 0.015, 0.65, 8, 1);
generateTreeMap(continent, 0.015, 0.25, 3, 1);
generateTemperatureMap(continent);
generateTerrainMap(continent);
//generateRivers(continent);
//TODO: create other stuff here...
return continent;
}
public void generateRivers(Continent continent)
{
//get maximum height
float maxHeight = 0;
for (int i = 0; i < continent.size; i++)
{
for (int j = 0; j < continent.size; j++)
{
if (continent.heightMap[i, j] > maxHeight)
maxHeight = continent.heightMap[i, j];
}
}
//find number of fountains
int fountains = Common.MAX_FOUNTAINS_PER_100 * (continent.size / 100);
//find actual fountains
continent.fountainsX = new int[fountains];
continent.fountainsY = new int[fountains];
int countFountains = 0;
int newX, newY;
while (countFountains < fountains)
{
newX = random.Next(20, continent.size - 20);
newY = random.Next(20, continent.size - 20);
if (continent.heightMap[newX, newY] >= maxHeight - 4 || continent.heightMap[newX, newY] < maxHeight - 2)
{
continent.fountainsX[countFountains] = newX;
continent.fountainsY[countFountains] = newY;
countFountains++;
}
}
//rivers
int rivers = random.Next(1, fountains / 2);
continent.riversList = new River[rivers];
List<WaterMass> waterMassList = new List<WaterMass>();
for (int i = 0; i < rivers; i++)
{
int maxWidth = random.Next(3, 9);
int width = 1;
int halfWidth = 1;
int length = random.Next(50, 200);
int x = continent.fountainsX[i];
int y = continent.fountainsY[i];
int dir = 5;
bool lowerOrEqual = false;
int[] point = new int[2];
int[] center = new int[2];
for (int j = 0; j < length; j++)
{
lowerOrEqual = false;
bool []tested = new bool[8];
int increment = 1;
while (!lowerOrEqual)
{
if (x - increment <= 0 || x + increment >= continent.size || y - increment <= 0 || y + increment >= 0)
{
break;
}
dir++;
if (dir > 7) dir = 0;
else if (dir < 0) dir = 7;
switch (dir)
{
case 0:
tested[0] = true;
if (!tested[0] && x - increment > 0 && y - increment > 0)
{
lowerOrEqual = continent.heightMap[x - increment, y - increment] <= continent.heightMap[x, y];
}
break;
case 1:
tested[1] = true;
if (!tested[1] && y - increment > 0)
{
lowerOrEqual = continent.heightMap[x, y - increment] <= continent.heightMap[x, y];
}
break;
case 2:
tested[2] = true;
if (!tested[2] && x + increment < continent.size && y - increment > 0)
{
lowerOrEqual = continent.heightMap[x + increment, y - increment] <= continent.heightMap[x, y];
}
break;
case 3:
tested[3] = true;
if (!tested[3] && x + increment < continent.size)
{
lowerOrEqual = continent.heightMap[x + increment, y] <= continent.heightMap[x, y];
}
break;
case 4:
tested[4] = true;
if (!tested[4] && x + increment < continent.size && y + increment < continent.size)
{
lowerOrEqual = continent.heightMap[x + increment, y + increment] <= continent.heightMap[x, y];
}
break;
case 5:
tested[5] = true;
if (!tested[5] && y + increment < continent.size)
{
lowerOrEqual = continent.heightMap[x, y + increment] <= continent.heightMap[x, y];
}
break;
case 6:
tested[6] = true;
if (!tested[6] && x - increment > 0 && y + increment < continent.size)
{
lowerOrEqual = continent.heightMap[x - increment, y + increment] <= continent.heightMap[x, y];
}
break;
case 7:
tested[7] = true;
if (!tested[7] && x - increment > 0)
{
lowerOrEqual = continent.heightMap[x - increment, y] <= continent.heightMap[x, y];
}
break;
default: lowerOrEqual = false; break;
}
if (!lowerOrEqual && tested[0] && tested[1] && tested[2] && tested[3] && tested[4] && tested[5] && tested[6] && tested[7])
{
tested = new bool[8];
increment++;
}
}
switch (dir)
{
//up+left
case 0:
x--;
y--;
if (x > 0 && y > 0)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
//up
case 1:
y--;
if (y > 0)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
}
break;
//up+right
case 2:
x++;
y--;
if (x < continent.size && y > 0)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
//right
case 3:
x++;
if (x < continent.size)
{
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
//down+right
case 4:
x++;
y++;
if (x < continent.size && y < continent.size)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
//down
case 5:
y++;
if (y < continent.size)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
}
break;
//down+left
case 6:
x--;
y++;
if (x > 0 && y < continent.size)
{
x += (x > 0 ? random.Next(-1, 2) : 0);
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
//left
case 7:
x--;
if (x > 0)
{
y += (y > 0 ? random.Next(-1, 2) : 0);
}
break;
default: break;
}
//fill width-wise
center[0] = x;
center[1] = y;
int radius = 1;
while (radius < halfWidth)
{
for (int angle = 0; angle < 360; angle++)
{
point = getCircleCoordinate(center, halfWidth, angle);
if (point[0] > 0 && point[0] < continent.size && point[1] > 0 && point[1] < continent.size)
{
continent.heightMap[point[0], point[1]]--;
}
}
radius++;
}
WaterMass watermass = new WaterMass();
watermass.x = center[0];
watermass.y = center[1];
watermass.radius = halfWidth;
watermass.dir = dir;
watermass.depth = 1; //TODO: add dynamic depth
waterMassList.Add(watermass);
if (width < maxWidth)
width = Math.Max(1, j / 10);
halfWidth = width / 2;
}
//put a lake at the end:
int maxLakeRadius = random.Next(Common.MIN_LAKE_WIDTH, Common.MAX_LAKE_WIDTH);
int lakeRadius = 1;
center = new int[2];
center[0] = x;
center[1] = y;
while (lakeRadius < maxLakeRadius)
{
for (int angle = 0; angle < 360; angle++)
{
point = new int[2];
point = getCircleCoordinate(center, lakeRadius, angle);
if (point[0] > 0 && point[0] < continent.size && point[1] > 0 && point[1] < continent.size)
{
continent.heightMap[point[0], point[1]]--;
}
}
lakeRadius++;
}
WaterMass lake = new WaterMass();
lake.x = center[0];
lake.y = center[1];
lake.radius = lakeRadius;
lake.dir = dir;
lake.depth = 1; //TODO: add dynamic depth
waterMassList.Add(lake);
continent.riversList[i] = new River();
continent.riversList[i].points = waterMassList.Count;
continent.riversList[i].waterPoints = new WaterMass[continent.riversList[i].points];
int pos = 0;
foreach (WaterMass w in waterMassList)
{
continent.riversList[i].waterPoints[pos] = new WaterMass();
continent.riversList[i].waterPoints[pos].depth = w.depth;
continent.riversList[i].waterPoints[pos].dir = w.dir;
continent.riversList[i].waterPoints[pos].radius = w.radius;
continent.riversList[i].waterPoints[pos].x = w.x;
continent.riversList[i].waterPoints[pos].y = w.y;
pos++;
}
}
//coastline
//top:
int seaLine = random.Next(5, 10);
for (int i = 0; i < continent.size; i++)
{
seaLine = Math.Max(5, seaLine + random.Next(-1, 2));
int it = seaLine;
while (it >= 0)
{
continent.heightMap[i, it]--;
it--;
}
}
//bottom:
seaLine = random.Next(5, 10);
for (int i = 0; i < continent.size; i++)
{
seaLine = Math.Max(5, seaLine + random.Next(-1, 2));
int it = continent.size - seaLine;
while (it < continent.size)
{
continent.heightMap[i, it]--;
it++;
}
}
//left:
seaLine = random.Next(5, 10);
for (int i = 0; i < continent.size; i++)
{
seaLine = Math.Max(5, seaLine + random.Next(-1, 2));
int it = seaLine;
while (it >= 0)
{
continent.heightMap[it, i]--;
it--;
}
}
//right:
seaLine = random.Next(5, 10);
for (int i = 0; i < continent.size; i++)
{
seaLine = Math.Max(5, seaLine + random.Next(-1, 2));
int it = continent.size - seaLine;
while (it < continent.size)
{
continent.heightMap[it, i]--;
it++;
}
}
}
public void generateTerrainMap(Continent continent)
{
continent.terrainMap = new int[continent.size, continent.size];
//generate terrain map from the other 2 + river areas
r1 = random.Next(1000, 10000);
r2 = random.Next(100000, 1000000);
r3 = random.Next(1000000000, 2000000000);
for (int i = 0; i < continent.size; i++)
{
for (int j = 0; j < continent.size; j++)
{
//still hard-coded, gotta get around to change this:
continent.terrainMap[i, j] = Math.Max(0, (int)(7 * PerlinNoise(i, j, 0.015, 0.35, 8, 1)));
}
}
}
public void generateTemperatureMap(Continent continent)
{
continent.temperatureMap = new float[continent.size, continent.size];
//generate temperature map
r1 = random.Next(1000, 10000);
r2 = random.Next(100000, 1000000);
r3 = random.Next(1000000000, 2000000000);
for (int i = 0; i < continent.size; i++)
{
for (int j = 0; j < continent.size; j++)
{
//hard-coded for now:
continent.temperatureMap[i, j] = (float)(Common.MAX_TEMPERATURE * (PerlinNoise(i, j, 0.015, 0.35, 8, 1) + 0.5));
}
}
}
protected override void LoadContent()
{
device = GraphicsDevice;
clients = new List<dummy>();
serverPort = 8888;
p = gp(0);
if (serverName.Length > 0 && nick.Length > 0)
{
try
{
connect();
}
catch (Exception ex)
{
}
if (connected)
{
while (serverSeed == 0) ;
sendTimer = new System.Windows.Forms.Timer();
sendTimer.Tick += new EventHandler(sendTimer_Tick);
sendTimer.Interval = 20;
sendTimer.Start();
}
}
else
{
serverSeed = Math.Abs((int)DateTime.Now.Ticks);
}
this.Window.Title = "MIGETGame test (seed: " + serverSeed + ")";
wg = new WorldGenerator(serverSeed);
continent = wg.generateContinent(continentSize);
//overriden, for test purposes:
wg.generateHeightMap(continent, 0.010, 0.55, 4, 1);
wg.filterMap(continent.heightMap, 1);
effect = Content.Load<Effect>("effects");
bbEffect = Content.Load<Effect>("bbEffect");
UpdateViewMatrix();
projectionMatrix = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, device.Viewport.AspectRatio, 0.3f, 1000.0f);
Mouse.SetPosition(device.Viewport.Width / 2, device.Viewport.Height / 2);
originalMouseState = Mouse.GetState();
skyDome = Content.Load<Model>("skyDome"); skyDome.Meshes[0].MeshParts[0].Effect = effect.Clone(device);
PresentationParameters pp = device.PresentationParameters;
refractionRenderTarget = new RenderTarget2D(device, pp.BackBufferWidth, pp.BackBufferHeight, 1, device.DisplayMode.Format);
reflectionRenderTarget = new RenderTarget2D(device, pp.BackBufferWidth, pp.BackBufferHeight, 1, device.DisplayMode.Format);
cloudsRenderTarget = new RenderTarget2D(device, pp.BackBufferWidth, pp.BackBufferHeight, 1, device.DisplayMode.Format);
LoadVertices();
LoadTextures();
m_SpriteBatch = new SpriteBatch(this.GraphicsDevice);
m_SpriteFont = Content.Load<SpriteFont>("Arial");
if (drawTrees)
{
treeThread = new System.Windows.Forms.Timer();
treeThread.Tick += new EventHandler(CreateTreeBillboardVerticesFromList);
treeThread.Interval = 250;
treeThread.Start();
}
if (drawGrass)
{
grassThread = new System.Windows.Forms.Timer();
grassThread.Tick += new EventHandler(CreateGrassBillboardVerticesFromList);
grassThread.Interval = 250;
grassThread.Start();
}
cameraPosition = new Vector3(0, continent.heightMap[(int)cameraPosition.X, (int)cameraPosition.Z] + 1.2f, 0);
}