public void GenerateMap()
{
float[,] noiseMap = Noise.GenNoiseMap(mapChunkSize, mapChunkSize, seed, noiseScale, octaves, persistance, lacunarity, offset);
Color[] colormap = new Color[mapChunkSize * mapChunkSize];
for (int y = 0; y < mapChunkSize; y++)
{
for (int x = 0; x < mapChunkSize; x++)
{
float currentHeight = noiseMap [x, y];
for (int i = 0; i < regions.Length; i++)
{
if (currentHeight <= regions [i].height)
{
colormap [y * mapChunkSize + x] = regions [i].color;
break;
}
}
}
MapDisplay display = FindObjectOfType <MapDisplay> ();
if (drawMode == DrawMode.NoiseMap)
{
display.DrawTexture(TextureGen.TextureFromHeightMap(noiseMap));
}
else if (drawMode == DrawMode.ColorMap)
{
display.DrawTexture(TextureGen.TextureFromColorMap(colormap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.Mesh)
{
display.DrawMesh(MeshGen.GenerateTerrainMesh(noiseMap, meshHeightMultiplier, MeshHeightCurve, levelOfDetail), TextureGen.TextureFromColorMap(colormap, mapChunkSize, mapChunkSize));
}
}
}
public static MeshData GenerateTerrainMesh(float[,] heightMap, float heightMulti, AnimationCurve heightCurve, Vector2 chunkCoords, TerrainType[] regions)
{
int width = heightMap.GetLength(0);
int height = heightMap.GetLength(1);
float topLeftX = (width - 1) / -2f;
float topLeftZ = (height - 1) / 2f;
Texture2D meshTexture = TextureGen.TextureFromColorMap(ColorGen.GenerateColorMapFromHeightMap(heightMap, regions), width, height);
Color[] colorMap = ColorGen.GenerateColorMapFromHeightMap(heightMap, regions);
MeshData currentMeshData = new MeshData(width, height, chunkCoords, meshTexture, colorMap);
int vertexIndex = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
currentMeshData.vertices[vertexIndex] = new Vector3(topLeftX + x,
heightCurve.Evaluate(heightMap[x, y]) * heightMulti, topLeftZ - y);
currentMeshData.uvs[vertexIndex] = new Vector2(x / (float)width, y / (float)height);
if (x < width - 1 && y < height - 1)
{
currentMeshData.AddTriangle(vertexIndex, vertexIndex + width + 1, vertexIndex + width);
currentMeshData.AddTriangle(vertexIndex + width + 1, vertexIndex, vertexIndex + 1);
}
vertexIndex++;
}
}
return(currentMeshData);
}
void OnMapDataRecieved(MapData mapData)
{
this.mapData = mapData;
mapDataRecieved = true;
Texture2D texture = TextureGen.TextureFromColorMap(mapData.colorMap, MapGen.mapChunkSize, MapGen.mapChunkSize);
meshRenderer.material.mainTexture = texture;
UpdateTerrainChunk();
}
public void DrawMapInEditor()
{
MapData mapData = GenerateMapData(Vector2.zero);
MapDisplay display = FindObjectOfType <MapDisplay>();
if (drawMode == DrawMode.NoiseMap)
{
display.DrawTexture(TextureGen.TextureFromHeightMap(mapData.heightMap));
}
else if (drawMode == DrawMode.ColorMap)
{
display.DrawTexture(TextureGen.TextureFromColorMap(mapData.colorMap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.Mesh)
{
display.DrawMesh(MeshGen.GenerateMesh(mapData.heightMap, meshHeightMultiplier, meshHeightCurve, editorPreviewLOD), TextureGen.TextureFromColorMap(mapData.colorMap, mapChunkSize, mapChunkSize));
}
}
public void DrawMapInEditor()
{
MapData mapdata = GenThatMapData(Vector2.zero);
Map map = FindObjectOfType <Map>();
if (drawMode == DrawMode.NoiseMap)
{
map.DrawTexture(TextureGen.TextureFromHeightMap(mapdata.heightMap));
}
else if (drawMode == DrawMode.ColorMap)
{
map.DrawTexture(TextureGen.TextureFromColorMap(mapdata.colorMap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.DrawMesh)
{
map.DrawMesh(MeshGen.GennerateTerrainMesh(mapdata.heightMap, meshHeight, meshHeightCurve, editorlevelOfDetail), TextureGen.TextureFromColorMap(mapdata.colorMap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.FallOffMap)
{
map.DrawTexture(TextureGen.TextureFromHeightMap(FalloffMapGenerator.GenerateFalloffMapp(mapChunkSize)));
}
}
void OnScene(SceneView scene)
{
if (stampMode == StampMode.Nothing)
{
return;
}
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
Event e = Event.current;
terrainGenerator = gameObject.GetComponent <TerrainGenerator>();
if (e.type == EventType.MouseDown && e.button == 0)
{
Vector3 mousePos = e.mousePosition;
float ppp = EditorGUIUtility.pixelsPerPoint;
mousePos.y = scene.camera.pixelHeight - mousePos.y * ppp;
mousePos.x *= ppp;
Ray ray = scene.camera.ScreenPointToRay(mousePos);
RaycastHit hit;
if (Physics.Raycast(ray, out hit))
{
Mesh mesh = hit.collider.gameObject.GetComponent <MeshFilter>().sharedMesh;
MeshRenderer meshRenderer = hit.collider.gameObject.GetComponent <MeshRenderer>();
MeshFields meshFields = hit.collider.gameObject.GetComponent <MeshFields>();
MeshCollider meshCollider = hit.collider.gameObject.GetComponent <MeshCollider>();
Transform trans = hit.collider.gameObject.transform;
Vector3[] verts = mesh.vertices;
List <VertexData> verticesToChange = new List <VertexData>();
float nearestDistance = Mathf.Infinity;
for (int i = 0; i < verts.Length; i++)
{
Vector3 worldPt = trans.TransformPoint(verts[i]);
float dist = Vector2.Distance(new Vector2(worldPt.x, worldPt.z),
new Vector2(hit.point.x, hit.point.z));
if (dist < radius)
{
if (stampMode == StampMode.Mountain)
{
verts[i].y += (radius - dist) * heightMultiplier + Random.Range(0, persistance);
meshFields.MeshData.colorMap[i] = checkColorFromHeight(verts[i].y, terrainGenerator.regions,
terrainGenerator.meshHeightCurve, terrainGenerator.meshHeightMultiplier);
}
if (stampMode == StampMode.Flatten)
{
bool nearestToCursor = false;
if (dist < nearestDistance)
{
nearestDistance = dist;
nearestToCursor = true;
}
VertexData vertex = new VertexData(i, verts[i], nearestToCursor);
verticesToChange.Add(vertex);
}
if (stampMode == StampMode.Paint)
{
meshFields.MeshData.colorMap[i] = paintColor;
}
}
}
if (stampMode == StampMode.Flatten)
{
float referenceY = 0f;
foreach (VertexData vertexData in verticesToChange.Where(vertexData => vertexData.closestToCursor))
{
referenceY = vertexData.position.y;
}
foreach (VertexData vertexData in verticesToChange)
{
float dif = referenceY - verts[vertexData.index].y;
if (Math.Abs(dif) < flattenStepSize)
{
verts[vertexData.index].y = referenceY;
}
else if (dif < 0)
{
verts[vertexData.index].y -= flattenStepSize;
}
else if (dif > 0)
{
verts[vertexData.index].y += flattenStepSize;
}
meshFields.MeshData.colorMap[vertexData.index] = checkColorFromHeight(verts[vertexData.index].y,
terrainGenerator.regions,
terrainGenerator.meshHeightCurve, terrainGenerator.meshHeightMultiplier);
}
}
mesh.vertices = verts;
mesh.RecalculateBounds();
mesh.RecalculateNormals();
meshCollider.sharedMesh = mesh;
Texture2D meshTexture = TextureGen.TextureFromColorMap(meshFields.MeshData.colorMap,
meshFields.MeshData.dims.x, (int)mesh.bounds.size.z);
meshRenderer.sharedMaterial.mainTexture = meshTexture;
}
e.Use();
}
HandleUtility.Repaint();
}
public void GenerateMap()
{
numOfTrees = 0;
numOfStones = 0;
parentObject = GameObject.FindGameObjectWithTag("Objects").transform;
//SceneManager.LoadScene("LevelGenScrene");
//EditorSceneManager.LoadScene("LevelGenScrene");
GameObject cleanup;
while (cleanup = GameObject.FindWithTag("Tree"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Stone"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Bush"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Boulder"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Grass"))
{
Object.DestroyImmediate(cleanup);
}
float a = Random.Range(5f, 20f);
float b = Random.Range(0f, 20f);
float c = Random.Range(5f, 20f);
float d = Random.Range(0f, 20f);
float[,] noiseMap = NoiseMapGen.GenerateNoiseMap(mapWidth, mapHeight, a, b, c, d);
MeshData meshData = MeshGen.GenerateTerrainMesh(noiseMap, meshHeightMulitplier, heightCurve);
triangles = meshData.triangles;
Color[] colorMap = new Color[mapWidth * mapHeight];
for (int y = 0; y < mapHeight; y++)
{
for (int x = 0; x < mapWidth; x++)
{
float currentHeight = Mathf.InverseLerp(0, 20, noiseMap[x, y]);
for (int i = 0; i < regions.Length; i++)
{
if (currentHeight <= regions[i].height)
{
//New code to try and get lerp from one zone to another
//Skipping earth into grass transition
if (regions[i].name.Equals("Earth"))
{
float tempMaxHeightOfRegion = regions[i].height;
float tempMinHeightOfRegion = regions[i - 1].height;
float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
if (currentHeight > tempMidHeightOfRegion)
{
colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
}
else
{
colorMap[y * mapWidth + x] = regions[i].color;
}
}
else if (i > 0 && i < regions.Length - 1)
{
float tempMaxHeightOfRegion = regions[i].height;
float tempMinHeightOfRegion = regions[i - 1].height;
float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
/*if (currentHeight >= tempMinHeightOfRegion)
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
* else if (currentHeight < tempMinHeightOfRegion)
* {
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i - 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMinHeightOfRegion, tempMidHeightOfRegion, currentHeight));
* }*/
//colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10*/ Mathf.InverseLerp(tempMinHeightOfRegion, tempMaxHeightOfRegion, currentHeight) - 0.1f);
if (currentHeight > tempMidHeightOfRegion)
{
colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
}
else
{
colorMap[y * mapWidth + x] = regions[i].color;
}
}
else if (i == 0)
{
/*float tempMaxHeightOfRegion = regions[i].height;
* float tempMinHeightOfRegion = 0;
* float tempMidHeightOfRegion = 0 + ((regions[i].height - 0) / 2);
* if(currentHeight > tempMidHeightOfRegion)
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
* else*/
colorMap[y * mapWidth + x] = regions[i].color;
}
else
{
/*float tempMaxHeightOfRegion = regions[i].height;
* float tempMinHeightOfRegion = regions[i - 1].height;
* float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i - 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMinHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
*/
colorMap[y * mapWidth + x] = regions[i].color;
}
//OG code for coolour depending on height
//colorMap[y * mapWidth + x] = regions[i].color;
//place Gameobjects
//trees/bushes on grassy area
if (regions[i].name.Equals("Grass"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 treePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(trees[(int)Random.Range(0, trees.Length)], treePos, Quaternion.identity);
numOfTrees++;
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.8f)
{
Vector3 bushPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(bushes[(int)Random.Range(0, bushes.Length)], bushPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
if (Random.Range(0f, 1f) > 0.75f)
{
Vector3 grassPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(grasses[(int)Random.Range(0, grasses.Length)], grassPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
//Stones on Sand
else if (regions[i].name.Equals("Sand"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 stonePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(stones[(int)Random.Range(0, stones.Length)], stonePos, Quaternion.identity);
numOfStones++;
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Earth"))
{
if (Random.Range(0f, 1f) > 0.96f)
{
Vector3 treePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(beachTrees[(int)Random.Range(0, beachTrees.Length)], treePos + new Vector3(0, 3.5f, 0), Quaternion.Euler(-90, 0, 0));
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 stonePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(stones[(int)Random.Range(0, stones.Length)], stonePos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.90f)
{
Vector3 grassPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(deadGrass, grassPos + new Vector3(0, 0.3f, 0), Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Mountain"))
{
if (Random.Range(0f, 1f) > 0.95f)
{
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(bouldersMountain[(int)Random.Range(0, bouldersMountain.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.localScale = new Vector3(Random.Range(8, 10), Random.Range(8, 10), Random.Range(8, 10));
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.99f)
{
float temp = Random.Range(5, 10);
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(treesMountain[(int)Random.Range(0, treesMountain.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.localScale = new Vector3(temp, temp, temp);
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Snow"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(boulders[(int)Random.Range(0, boulders.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
break;
}
}
}
}
//Force conditions
if (numOfTrees < minNumOfTree || numOfStones < minNumOfStones)
{
Debug.Log("Not Enough");
GenerateMap();
}
else
{
Debug.Log("Enough");
MapDisplay display = FindObjectOfType <MapDisplay>();
//display.DrawTexture(TextureGen.TextureFromColorMap(colorMap, mapWidth, mapHeight));
//Select render type just 2d colour or 3d mesh
display.DrawMesh(meshData, TextureGen.TextureFromColorMap(colorMap, mapWidth, mapHeight));
//Texture try
//setTextureTriangles(meshData);
//display.DrawMeshWithSubMesh(meshData/*, water.ToArray(), sand.ToArray(), earth.ToArray(), forest.ToArray(), mountain.ToArray(), snow.ToArray()*/);
}
}
private void Start()
{
Map map = FindObjectOfType <Map>();
MapData mapdata = GenThatMapData(Vector2.zero);
if (drawMode == DrawMode.DrawMesh)
{
map.DrawMesh(MeshGen.GennerateTerrainMesh(mapdata.heightMap, meshHeight, meshHeightCurve, editorlevelOfDetail), TextureGen.TextureFromColorMap(mapdata.colorMap, mapChunkSize, mapChunkSize));
}
}
