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 void GenerateTerrain()
{
float[,] noiseMap =
NoiseGen.GenerateNoiseMap(width, height, seed, scale, octaves, persistance, lacunarity, offset);
FoliageGen.removeAllFoliage();
TerrainRendering terrainRendering = FindObjectOfType <TerrainRendering>();
List <ChunkData> chunks = NoiseGen.ChunkNoiseMap(noiseMap);
List <MeshData> meshData = new List <MeshData>();
foreach (ChunkData chunkData in chunks)
{
meshData.Add(MeshGen.GenerateTerrainMesh(chunkData.heightMap, meshHeightMultiplier, meshHeightCurve, chunkData.chunkCoords, regions));
}
if (useShader)
{
terrainRendering.DrawMesh(meshData, meshScale, shaderMaterial);
}
else
{
terrainRendering.DrawMesh(meshData, meshScale, null);
}
UpdateShaderData();
}
private void Update()
{
// Only update if seed was changed
if (randomSeed == _prevSeed)
{
return;
}
_prevSeed = randomSeed;
Random.InitState(randomSeed);
CreateOctaveOffsets(NumOctaves);
// Generate height maps
var heights = new float[numChunksX * numChunksY][, ];
for (var i = 0; i < numChunksY; i++)
{
for (var j = 0; j < numChunksX; j++)
{
heights[i * numChunksY + j] =
GenerateHeightMap(chunkLength, chunkWidth, i * (chunkWidth - 1), j * (chunkLength - 1));
}
}
NormaliseHeightMaps(heights);
// Create Meshes and Textures
for (var i = 0; i < numChunksX * numChunksY; i++)
{
var meshData = MeshGen.GenerateTerrainMesh(heights[i], heightScale);
_meshTextures[i] = UpdateTextureFromHeightMap(heights[i], _meshTextures[i]);
UpdateMeshes(meshData, _meshTextures[i], i);
}
}
public void Run()
{
float[] edge = new float[3];
float[] centerSph = new float[3];
GetChunks();
for (int i = 0; i < chunkHolder.Length; i++)
{
chunkHolder[i].chunk.SetPosition(size);
SetBounds(i, ref edge, ref centerSph);
MapData mapData = GenerateMapData(chunkHolder[i].position);
DisplayMap display = FindObjectOfType <DisplayMap>();
if (mode is Mode.marchingMesh)
{
//only for first chunk
display.DrawMesh(MeshGen.GenerateTerrainMesh(mapData.heightMap, genocideValue, size));
break;
}
else if (mode is Mode.compute)
{
display.DrawMesh(MeshGen.GenerateTerrainMesh(mapData.heightMapCompute, genocideValue, size, marchCubes, edge, applySandpaper),
chunkHolder[i].chunk, size);
}
else if (mode is Mode.radius)
{
display.DrawMesh(MeshGen.GenerateTerrainMesh(mapData.heightMapCompute, genocideValue, size, radius, marchCubes, centerSph, applySandpaper),
chunkHolder[i].chunk, size);
}
}
}
void MeshDataThread(MapData mapData, int lod, Action <MeshData> callback)
{
MeshData meshData = MeshGen.GenerateTerrainMesh(mapData.heightMap, meshHeightMulti, meshHeightCurve, lod);
lock (meshDataThreadInfoQuere) {
meshDataThreadInfoQuere.Enqueue(new MapThreadInfo <MeshData>(callback, meshData));
}
}
void MeshDataThread(MapData mapData, int lod, Action <MeshData> callback)
{
MeshData meshData = MeshGen.GenerateTerrainMesh(mapData.heightMap, meshHeightMultiplier, meshHeightCurve, lod);
//Prevent other threads from executing this code at once
lock (meshDataThreadInfoQueue){
meshDataThreadInfoQueue.Enqueue(new MapThreadInfo <MeshData>(callback, meshData));
}
}
public void MeshDataThread(MapData mapData, Action <MeshData> callback, int LOD)
{
MeshData meshData = MeshGen.GenerateTerrainMesh(mapData.heightMap, heightCoefficient, heightExponent, meshHeightCurve, LOD);
lock (meshData)
{
meshDataThreadInfoQueue.Enqueue(new MapThreadInfo <MeshData>(callback, meshData));
}
}
public void DrawMapInEditor()
{
MapData map = GenerateMapData(Vector2.zero);
if (drawMode == DrawMode.NoiseMap)
{
display.DrawTexture(TextureGen.TextureFromNoiseMap(map.heightMap));
}
else if (drawMode == DrawMode.ColourMap)
{
display.DrawTexture(TextureGen.TextureFromColourMap(map.colMap, mapChunkSize, mapChunkSize));
}
else if (drawMode == DrawMode.Mesh)
{
display.DrawMesh(MeshGen.GenerateTerrainMesh(map.heightMap, heightCoefficient, heightExponent, meshHeightCurve, editorLOD), TextureGen.TextureFromColourMap(map.colMap, mapChunkSize, mapChunkSize));
}
}
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.GenerateTerrainMesh(mapData.heightMap, meshHeightMulti, meshHeightCurve, editorPreviewLOD), TextureGen.TextureFromColorMap(mapData.colorMap, mapChunkSize, mapChunkSize));
}
}
public TerrainChunk(Vector2 coord, int size, Transform parent, int layer)
{
position = coord * size;
bounds = new Bounds(position, Vector2.one * size);
Vector3 positionV3 = new Vector3(position.x, 0, position.y);
meshObject = new GameObject("TerrainChunk");
meshObject.layer = layer;
MeshRenderer = meshObject.AddComponent <MeshRenderer>();
meshFilter = meshObject.AddComponent <MeshFilter>();
meshObject.transform.position = positionV3;
meshObject.transform.SetParent(parent);
meshObject.tag = "Ground";
SetVisible(true);
MeshMatData data = chunks.mapGen.GetGeneratedData(position, coord);
meshFilter.mesh = MeshGen.GenerateTerrainMesh(data.map, 0).CreateMesh();
MeshRenderer.material = data.mat;
meshObject.AddComponent <MeshCollider>();
}
private void Start()
{
_meshMaterial = new Material(Shader.Find("Standard"));
_minHeight = float.MaxValue;
_maxHeight = float.MinValue;
_prevSeed = randomSeed;
CreateChunks();
Random.InitState(randomSeed);
CreateOctaveOffsets(NumOctaves);
// Generate height maps
var heights = new float[numChunksX * numChunksY][, ];
for (var i = 0; i < numChunksY; i++)
{
for (var j = 0; j < numChunksX; j++)
{
_chunks[i * numChunksY + j].transform.position =
new Vector3(j * (chunkWidth - 1), 0, i * (chunkLength - 1));
heights[i * numChunksY + j] =
GenerateHeightMap(chunkLength, chunkWidth, i * (chunkWidth - 1), j * (chunkLength - 1));
}
}
NormaliseHeightMaps(heights);
// Create Meshes and Textures
_meshTextures = new Texture2D[numChunksX * numChunksY];
for (var i = 0; i < numChunksX * numChunksY; i++)
{
var meshData = MeshGen.GenerateTerrainMesh(heights[i], heightScale);
_meshTextures[i] = TextureFromHeightMap(heights[i]);
DrawMeshes(meshData, _meshTextures[i], i);
}
}
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()*/);
}
}
void RunCubes()
{
DisplayMap display = FindObjectOfType <DisplayMap>();
display.DrawMesh(MeshGen.GenerateTerrainMesh(sphere));
}
