void OnTriggerEnter(Collider col)
{
if(col.gameObject.tag == "Terrain"){
prevTerrain = Instantiate(TerrainPieces[(int)Random.Range(0, TerrainPieces.Length)], new Vector3(0, 0, prevTerrain.GetPosition().z + prevTerrain.terrainData.size.z), Quaternion.identity)as Terrain;
GameObject temp = Instantiate(TerrainObjects, new Vector3(0, 0, prevTerrain.GetPosition().z), Quaternion.identity)as GameObject;
}
}
public void AddGrave(int x, int y, Terrain terrain)
{
TerrainData data = terrain.terrainData;
float xNormalized = x/(float)data.size.x;
float yNormalized = x/(float)data.size.y;
float scaleRatio = Random.Range(0.8f,1.2f);
Vector3 spawnPos = Vector3.zero;
spawnPos.x = x + terrain.GetPosition().x;
spawnPos.z = y + terrain.GetPosition().z;
spawnPos.y = terrain.SampleHeight(spawnPos)-0.1f;
GameObject go = GameObject.Instantiate(gravePrefabs[Random.Range(0,gravePrefabs.Length)],spawnPos,Quaternion.identity) as GameObject;
go.transform.localScale = Vector3.one * scaleRatio;
go.transform.parent = terrain.transform;
RaycastHit hitInfo;
if(Physics.Linecast(go.transform.position + Vector3.up,go.transform.position - Vector3.up * 50.0f,out hitInfo)){
go.transform.up = hitInfo.normal;
}
go.transform.RotateAround(go.transform.up,Random.Range(0.0f,360.0f));
}
public Vector3 InitializePosition(Terrain terrain)
{
var terrainStartPosition = terrain.GetPosition ();
var xPosition = (terrainStartPosition.x + terrain.terrainData.size.x) / 2.0f;
var zPosition = (terrainStartPosition.z + terrain.terrainData.size.z) / 2.0f;
Vector3 airplanePosition = new Vector3 ();
airplanePosition.x = xPosition;
airplanePosition.z = zPosition;
airplanePosition.y = terrain.SampleHeight (airplanePosition) + StartHeightDistanceBetweenTerrainAdnAirplane;
gameObject.transform.position = airplanePosition;
return airplanePosition;
}
static void SnapBig(Terrain t, Camera cam, int size, int wCount, string path)
{
float nearClip = 0.3f;
float camSize = t.terrainData.size.x /2;
Vector3 offset = t.GetPosition() + new Vector3(camSize, 0, camSize) + (t.terrainData.size.y + nearClip) * Vector3.up;
cam.nearClipPlane = nearClip;
cam.farClipPlane = t.terrainData.size.y + nearClip * 2;
cam.orthographicSize = camSize;
cam.transform.position = offset;
cam.depth = int.MaxValue;
cam.targetTexture = new RenderTexture(512, 512, 32, RenderTextureFormat.ARGB32);
RenderTexture.active = cam.targetTexture;
string filePath = System.IO.Path.Combine(path, "snapMap.png");
SnapShot(cam, filePath);
Debug.Log("Snap done: @ " + filePath);
}
public Grid(Terrain terrain, float sample, float heightCost)
{
_terrain = terrain;
_worldPosition = terrain.GetPosition();
var width = (int)terrain.terrainData.size.x;
var height = (int)terrain.terrainData.size.z;
SampledWidth = (int)Mathf.Ceil(width / sample);
SampledHeight = (int)Mathf.Ceil(height / sample);
_sample = sample;
_heightCost = heightCost;
InternalGrid = new Node[SampledWidth, SampledHeight];
InternalGridWithUnwalkable = new Node[SampledWidth, SampledHeight];
//Build the Grid [width,height] --> O(n^2)
InitGrid();
InitGridWithUnWalkable();
//Initialize the edges/neighboots --> O(n^2)
InitEdges();
InitEdgesWithUnWalkable();
}
void SampleHeightInfos(Terrain terrain, int widthGridCount, int lengthGridCount)
{
Vector3 terrainPos = terrain.GetPosition();
terrain.transform.position = Vector3.zero;
GameObject meshObj;
MeshCollider cld;
GenMeshColliderFromNavMesh(out meshObj, out cld);
frees = new bool[widthGridCount][];
for (int i = 0; i < widthGridCount; i++)
{
frees[i] = new bool[lengthGridCount];
}
xCount = widthGridCount + 1;
zCount = lengthGridCount + 1;
hitPositions = new Vector3[xCount][];
for (int i = 0; i < xCount; i++)
{
hitPositions[i] = new Vector3[zCount];
}
__notHitCount = 0;
float stepX = terrain.terrainData.size.x / widthGridCount;
float stepZ = terrain.terrainData.size.z / lengthGridCount;
centerOffset = new Vector3(stepX * 0.5f, 0, stepZ * 0.5f);
float y = terrain.terrainData.size.y + 1;
float distance = y + 2;
// heights
for (int z = 0; z < zCount; z++)
{
for (int x = 0; x < xCount; x++)
{
Vector3 sourcePoint = new Vector3(x * stepX, y, z * stepZ);
bool hit = SampleHeight(sourcePoint, distance * 2, out hitPositions[x][z], 1 << layerID);
if (!hit)
{
__notHitCount++;
}
hitPositions[x][z] += terrainPos;
}
}
centerPositions = CenterPositionsFromHitPositions(hitPositions);
// reachable
for (int z = 0; z < lengthGridCount; z++)
{
for (int x = 0; x < widthGridCount; x++)
{
Vector3 sourcePoint = new Vector3(x * stepX, y, z * stepZ) + centerOffset;
Vector3 tempHitPos;
bool hit = SampleHeight(sourcePoint, distance * 2, out tempHitPos, 1 << layerID);
Ray ray = new Ray(sourcePoint, Vector3.down);
RaycastHit raycastHit;
frees[x][z] = cld.Raycast(ray, out raycastHit, distance);
}
}
////
GameObject.DestroyImmediate(meshObj);
terrain.transform.position = terrainPos;
}
public void SpawnGameOverSwitch(Terrain terrain)
{
Vector3 spawnPos = terrain.GetPosition() + new Vector3(128.0f, 0.0f, 256.0f);
GameObject go = GameObject.Instantiate(gameOverSwitchPrefab,spawnPos,Quaternion.Euler(new Vector3(0.0f,0.0f,180.0f))) as GameObject;
UserInterface.SetText2("Find the light, and be free...");
Vector3 pos = go.transform.position;
pos.y = terrain.SampleHeight(go.transform.position) + 0.8f;
go.transform.position = pos;
}
void SplitIt()
{
if ( Selection.activeGameObject == null )
{
Debug.LogWarning("No terrain was selected");
return;
}
parentTerrain = Selection.activeGameObject.GetComponent(typeof(Terrain)) as Terrain;
if ( parentTerrain == null )
{
Debug.LogWarning("Current selection is not a terrain");
return;
}
//Split terrain
for ( int i=0; i< terrainsCount; i++)
{
EditorUtility.DisplayProgressBar("Split terrain","Process " + i, (float) i / terrainsCount );
TerrainData td = new TerrainData();
GameObject tgo = Terrain.CreateTerrainGameObject( td );
tgo.name = parentTerrain.name + " " + i;
terrainData.Add( td );
terrainGo.Add ( tgo );
Terrain genTer = tgo.GetComponent(typeof(Terrain)) as Terrain;
genTer.terrainData = td;
AssetDatabase.CreateAsset(td, "Assets/" + genTer.name+ ".asset");
// Assign splatmaps
genTer.terrainData.splatPrototypes = parentTerrain.terrainData.splatPrototypes;
// Assign detail prototypes
genTer.terrainData.detailPrototypes = parentTerrain.terrainData.detailPrototypes;
// Assign tree information
genTer.terrainData.treePrototypes = parentTerrain.terrainData.treePrototypes;
// Copy parent terrain propeties
#region parent properties
genTer.basemapDistance = parentTerrain.basemapDistance;
genTer.castShadows = parentTerrain.castShadows;
genTer.detailObjectDensity = parentTerrain.detailObjectDensity;
genTer.detailObjectDistance = parentTerrain.detailObjectDistance;
genTer.heightmapMaximumLOD = parentTerrain.heightmapMaximumLOD;
genTer.heightmapPixelError = parentTerrain.heightmapPixelError;
genTer.treeBillboardDistance = parentTerrain.treeBillboardDistance;
genTer.treeCrossFadeLength = parentTerrain.treeCrossFadeLength;
genTer.treeDistance = parentTerrain.treeDistance;
genTer.treeMaximumFullLODCount = parentTerrain.treeMaximumFullLODCount;
#endregion
//Start processing it
// Translate peace to position
#region translate peace to right position
Vector3 parentPosition = parentTerrain.GetPosition();
int terraPeaces = (int) Mathf.Sqrt( terrainsCount );
float spaceShiftX = parentTerrain.terrainData.size.z / terraPeaces;
float spaceShiftY = parentTerrain.terrainData.size.x / terraPeaces;
float xWShift = (i % terraPeaces ) * spaceShiftX;
float zWShift = ( i / terraPeaces ) * spaceShiftY;
tgo.transform.position = new Vector3( tgo.transform.position.x + zWShift,
tgo.transform.position.y,
tgo.transform.position.z + xWShift );
// Shift last position
tgo.transform.position = new Vector3( tgo.transform.position.x + parentPosition.x,
tgo.transform.position.y + parentPosition.y,
tgo.transform.position.z + parentPosition.z
);
#endregion
// Split height
#region split height
Debug.Log ( "Split height" );
//Copy heightmap
td.heightmapResolution = parentTerrain.terrainData.heightmapResolution / terraPeaces;
//Keep y same
td.size = new Vector3( parentTerrain.terrainData.size.x / terraPeaces,
parentTerrain.terrainData.size.y,
parentTerrain.terrainData.size.z / terraPeaces
);
float[,] parentHeight = parentTerrain.terrainData.GetHeights(0,0, parentTerrain.terrainData.heightmapResolution, parentTerrain.terrainData.heightmapResolution );
float[,] peaceHeight = new float[ parentTerrain.terrainData.heightmapResolution / terraPeaces + 1,
parentTerrain.terrainData.heightmapResolution / terraPeaces + 1
];
// Shift calc
int heightShift = parentTerrain.terrainData.heightmapResolution / terraPeaces;
int startX = 0;
int startY = 0;
int endX = 0;
int endY = 0;
if ( i==0 )
{
startX = startY = 0;
endX = endY = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
}
if ( i==1 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
endY = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
}
if ( i==2 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
endY = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
}
if ( i==3 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
endY = parentTerrain.terrainData.heightmapResolution / terraPeaces + 1;
}
// iterate
for ( int x=startX;x< endX;x++)
{
EditorUtility.DisplayProgressBar("Split terrain","Split height", (float) x / ( endX - startX ));
for ( int y=startY;y< endY;y++)
{
int xShift=0;
int yShift=0;
//
if ( i==0 )
{
xShift = 0;
yShift = 0;
}
//
if ( i==1 )
{
xShift = heightShift;
yShift = 0;
}
//
if ( i==2 )
{
xShift = 0;
yShift = heightShift;
}
if ( i==3 )
{
xShift = heightShift;
yShift = heightShift;
}
float ph = parentHeight[ x + xShift,y + yShift];
peaceHeight[x ,y ] = ph;
}
}
EditorUtility.ClearProgressBar();
// Set heightmap to child
genTer.terrainData.SetHeights( 0,0, peaceHeight );
#endregion
// Split splat map
#region split splat map
td.alphamapResolution = parentTerrain.terrainData.alphamapResolution / terraPeaces;
float[,,] parentSplat = parentTerrain.terrainData.GetAlphamaps(0,0, parentTerrain.terrainData.alphamapResolution, parentTerrain.terrainData.alphamapResolution );
float[,,] peaceSplat = new float[ parentTerrain.terrainData.alphamapResolution / terraPeaces ,
parentTerrain.terrainData.alphamapResolution / terraPeaces,
parentTerrain.terrainData.alphamapLayers
];
// Shift calc
int splatShift = parentTerrain.terrainData.alphamapResolution / terraPeaces;
if ( i==0 )
{
startX = startY = 0;
endX = endY = parentTerrain.terrainData.alphamapResolution / terraPeaces;
}
if ( i==1 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.alphamapResolution / terraPeaces;
endY = parentTerrain.terrainData.alphamapResolution / terraPeaces;
}
if ( i==2 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.alphamapResolution / terraPeaces;
endY = parentTerrain.terrainData.alphamapResolution / terraPeaces;
}
if ( i==3 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.alphamapResolution / terraPeaces;
endY = parentTerrain.terrainData.alphamapResolution / terraPeaces;
}
// iterate
for ( int s=0;s<parentTerrain.terrainData.alphamapLayers;s++)
{
for ( int x=startX;x< endX;x++)
{
EditorUtility.DisplayProgressBar("Split terrain","Split splat", (float) x / ( endX - startX ));
for ( int y=startY;y< endY;y++)
{
int xShift=0;
int yShift=0;
//
if ( i==0 )
{
xShift = 0;
yShift = 0;
}
//
if ( i==1 )
{
xShift = splatShift;
yShift = 0;
}
//
if ( i==2 )
{
xShift = 0;
yShift = splatShift;
}
if ( i==3 )
{
xShift = splatShift;
yShift = splatShift;
}
float ph = parentSplat[x + xShift,y + yShift, s];
peaceSplat[x ,y, s] = ph;
}
}
}
EditorUtility.ClearProgressBar();
// Set heightmap to child
genTer.terrainData.SetAlphamaps( 0,0, peaceSplat );
#endregion
// Split detail map
#region split detail map
td.SetDetailResolution( parentTerrain.terrainData.detailResolution / terraPeaces, 8 );
for ( int detLay=0; detLay< parentTerrain.terrainData.detailPrototypes.Length; detLay++)
{
int[,] parentDetail = parentTerrain.terrainData.GetDetailLayer(0,0, parentTerrain.terrainData.detailResolution, parentTerrain.terrainData.detailResolution, detLay );
int[,] peaceDetail = new int[ parentTerrain.terrainData.detailResolution / terraPeaces,
parentTerrain.terrainData.detailResolution / terraPeaces
];
// Shift calc
int detailShift = parentTerrain.terrainData.detailResolution / terraPeaces;
if ( i==0 )
{
startX = startY = 0;
endX = endY = parentTerrain.terrainData.detailResolution / terraPeaces;
}
if ( i==1 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.detailResolution / terraPeaces;
endY = parentTerrain.terrainData.detailResolution / terraPeaces;
}
if ( i==2 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.detailResolution / terraPeaces;
endY = parentTerrain.terrainData.detailResolution / terraPeaces;
}
if ( i==3 )
{
startX = startY = 0;
endX = parentTerrain.terrainData.detailResolution / terraPeaces;
endY = parentTerrain.terrainData.detailResolution / terraPeaces;
}
// iterate
for ( int x=startX;x< endX;x++)
{
EditorUtility.DisplayProgressBar("Split terrain","Split detail", (float) x / (endX - startX ));
for ( int y=startY;y< endY;y++)
{
int xShift=0;
int yShift=0;
//
if ( i==0 )
{
xShift = 0;
yShift = 0;
}
//
if ( i==1 )
{
xShift = detailShift;
yShift = 0;
}
//
if ( i==2 )
{
xShift = 0;
yShift = detailShift;
}
if ( i==3 )
{
xShift = detailShift;
yShift = detailShift;
}
int ph = parentDetail[x + xShift,y + yShift];
peaceDetail[x ,y] = ph;
}
}
EditorUtility.ClearProgressBar();
// Set heightmap to child
genTer.terrainData.SetDetailLayer( 0,0, detLay, peaceDetail );
}
#endregion
// Split tree data
#region split tree data
for( int t=0; t< parentTerrain.terrainData.treeInstances.Length;t++)
{
EditorUtility.DisplayProgressBar("Split terrain","Split trees " , (float) t / parentTerrain.terrainData.treeInstances.Length );
// Get tree instance
TreeInstance ti = parentTerrain.terrainData.treeInstances[t];
// First section
if ( i==0 &&
ti.position.x > 0f && ti.position.x < 0.5f &&
ti.position.z > 0f && ti.position.z < 0.5f
)
{
// Recalculate new tree position
ti.position = new Vector3( ti.position.x * 2f, ti.position.y, ti.position.z * 2f );
// Add tree instance
genTer.AddTreeInstance( ti );
}
// Second section
if ( i==1 &&
ti.position.x > 0.0f &&ti.position.x < 0.5f &&
ti.position.z >= 0.5f && ti.position.z <= 1.0f
)
{
// Recalculate new tree position
ti.position = new Vector3( (ti.position.x ) * 2f, ti.position.y, ( ti.position.z - 0.5f ) * 2f );
// Add tree instance
genTer.AddTreeInstance( ti );
}
// Third section
if ( i==2 &&
ti.position.x >= 0.5f && ti.position.x <= 1.0f &&
ti.position.z > 0.0f && ti.position.z < 0.5f
)
{
// Recalculate new tree position
ti.position = new Vector3( (ti.position.x - 0.5f ) * 2f, ti.position.y, ( ti.position.z ) * 2f );
// Add tree instance
genTer.AddTreeInstance( ti );
}
// Fourth section
if ( i==3 &&
ti.position.x >= 0.5f && ti.position.x <= 1.0f &&
ti.position.z >= 0.5f && ti.position.z <= 1.0f
)
{
// Recalculate new tree position
ti.position = new Vector3( (ti.position.x - 0.5f ) * 2f, ti.position.y, ( ti.position.z - 0.5f ) * 2f );
// Add tree instance
genTer.AddTreeInstance( ti );
}
}
#endregion
AssetDatabase.SaveAssets();
}
EditorUtility.ClearProgressBar();
}
void SampleHeightInfos(Terrain terrain, int widthGridCount, int lengthGridCount)
{
Vector3 terrainPos = terrain.GetPosition();
terrain.transform.position = Vector3.zero;
GameObject meshObj;
MeshCollider cld;
GenMeshColliderFromNavMesh(out meshObj, out cld);
frees = new bool[widthGridCount][];
isWayPoints = new bool[widthGridCount][];
for (int i = 0; i < widthGridCount; i++)
{
frees[i] = new bool[lengthGridCount];
isWayPoints[i] = new bool[lengthGridCount];
}
xCount = widthGridCount + 1;
zCount = lengthGridCount + 1;
hitPositions = new Vector3[xCount][];
for (int i = 0; i < xCount; i++)
{
hitPositions[i] = new Vector3[zCount];
}
__notHitCount = 0;
float stepX = terrain.terrainData.size.x / widthGridCount;
float stepZ = terrain.terrainData.size.z / lengthGridCount;
centerOffset = new Vector3(stepX * 0.5f, 0, stepZ * 0.5f);
float y = terrain.terrainData.size.y + 1;
float distance = y + 2;
// heights
for (int z = 0; z < zCount; z++)
{
for (int x = 0; x < xCount; x++)
{
Vector3 sourcePoint = new Vector3(x * stepX, y, z * stepZ);
bool hit = SampleHeight(sourcePoint, distance * 2, out hitPositions[x][z], 1 << layerID);
if (!hit)
{
__notHitCount++;
}
hitPositions[x][z] += terrainPos;
}
}
centerPositions = CenterPositionsFromHitPositions(hitPositions);
// reachable
/*
for (int z = 0; z < lengthGridCount; z++)
{
for (int x = 0; x < widthGridCount; x++)
{
Vector3 sourcePoint = new Vector3(x * stepX, y, z * stepZ) + centerOffset;
Vector3 tempHitPos;
bool hit = SampleHeight(sourcePoint, distance * 2, out tempHitPos, 1 << layerID);
Ray ray = new Ray(sourcePoint, Vector3.down);
RaycastHit raycastHit;
frees[x][z] = cld.Raycast(ray, out raycastHit, distance);
}
}
*/
////
//// new
bool[][] hitNav = new bool[xCount][];
bool[][] hitCld = new bool[xCount][];
for (int i = 0; i < hitNav.Length; i++)
{
hitNav[i] = new bool[zCount];
hitCld[i] = new bool[zCount];
}
for (int z = 0; z < zCount; z++)
{
for (int x = 0; x < xCount; x++)
{
Vector3 sourcePoint = new Vector3(x * stepX, y, z * stepZ);
Vector3 tempHitPos;
//hitNav[x][z] = SampleHeight(sourcePoint, distance * 2, out tempHitPos, 1 << layerID);
hitCld[x][z] = SampleHeight(sourcePoint, distance * 2, out tempHitPos, 1 << colliderID);
Ray ray = new Ray(sourcePoint, Vector3.down);
RaycastHit raycastHit;
hitNav[x][z] = cld.Raycast(ray, out raycastHit, distance);
}
}
for (int z = 0; z < zCount - 1; z++)
{
for (int x = 0; x < xCount - 1; x++)
{
bool b0 = hitCld[x][z];
bool b1 = hitCld[x + 1][z];
bool b2 = hitCld[x + 1][z + 1];
bool b3 = hitCld[x][z + 1];
frees[x][z] = !(b0 && b1 && b2 && b3);
bool f0 = hitNav[x][z];
bool f1 = hitNav[x + 1][z];
bool f2 = hitNav[x + 1][z + 1];
bool f3 = hitNav[x][z + 1];
if (frees[x][z])
{
if (!(f0 || f1 || f2 || f3))
{
frees[x][z] = false;
}
}
}
}
//board
for (int x = 0; x < xCount - 1; x++)
{
frees[x][0] = false;
frees[x][zCount - 2] = false;
}
for (int z = 0; z < zCount - 1; z++)
{
frees[0][z] = false;
frees[xCount - 2][z] = false;
}
GameObject.DestroyImmediate(meshObj);
terrain.transform.position = terrainPos;
}
