private static void RenderToPng(string path)
{
RenderToTemporary();
ImageProcessing.WriteRenderTexture(path, m_tmpRenderTexture, GaiaConstants.ImageFileType.Png, TextureFormat.RGBA32);
CleanUpRenderTexture();
}
private RenderTexture ApplyBrush(GaiaMultiTerrainOperation operation, MultiTerrainOperationType opType = MultiTerrainOperationType.Heightmap)
{
Terrain currentTerrain = GetCurrentTerrain();
RenderTextureDescriptor rtDescriptor = operation.RTheightmap.descriptor;
switch (opType)
{
case MultiTerrainOperationType.Heightmap:
rtDescriptor = operation.RTheightmap.descriptor;
break;
case MultiTerrainOperationType.Texture:
rtDescriptor = operation.RTtextureSplatmap.descriptor;
break;
case MultiTerrainOperationType.TerrainDetail:
rtDescriptor = operation.RTdetailmap.descriptor;
break;
case MultiTerrainOperationType.Tree:
rtDescriptor = operation.RTterrainTree.descriptor;
break;
case MultiTerrainOperationType.GameObject:
rtDescriptor = operation.RTgameObject.descriptor;
break;
default:
rtDescriptor = operation.RTheightmap.descriptor;
break;
}
//Random write needs to be enabled for certain mask types to function!
rtDescriptor.enableRandomWrite = true;
RenderTexture inputTexture = RenderTexture.GetTemporary(rtDescriptor);
RenderTexture currentRT = RenderTexture.active;
RenderTexture.active = inputTexture;
GL.Clear(true, true, Color.white);
RenderTexture.active = currentRT;
//Iterate through all image masks and set up the current paint context in case the shader uses heightmap data
foreach (ImageMask mask in m_settings.m_imageMasks)
{
mask.m_multiTerrainOperation = operation;
mask.m_seaLevel = SessionManager.GetSeaLevel();
mask.m_maxWorldHeight = m_maxWorldHeight;
mask.m_minWorldHeight = m_minWorldHeight;
}
//Get the combined masks for the biome
RenderTexture biomeOutputTexture = RenderTexture.GetTemporary(rtDescriptor);
Graphics.Blit(ImageProcessing.ApplyMaskStack(inputTexture, biomeOutputTexture, m_settings.m_imageMasks, ImageMaskInfluence.Local), biomeOutputTexture);
ReleaseRenderTexture(inputTexture);
inputTexture = null;
return(biomeOutputTexture);
}
public RenderTexture BakeTerrainWorldBiomeMask(Terrain terrain, string worldBiomeMaskGUID)
{
if (m_gaiaSessionManager == null)
{
m_gaiaSessionManager = GaiaSessionManager.GetSessionManager(false);
}
if (m_worldMapTerrain == null)
{
m_worldMapTerrain = TerrainHelper.GetWorldMapTerrain();
}
if (m_worldMapTerrain == null)
{
Debug.LogWarning("Found no world map terrain for baking a world biome mask.");
return(null);
}
if (String.IsNullOrEmpty(worldBiomeMaskGUID))
{
return(null);
}
if (m_gaiaSessionManager.m_session == null)
{
Debug.LogWarning("Found no session for baking a world biome mask.");
return(null);
}
if (m_gaiaSessionManager.m_session.m_worldBiomeMaskSettings == null)
{
Debug.LogWarning("Found no world designer settings in the session for baking a world biome mask.");
return(null);
}
//we need to apply the mask stack for this biome mask on the world map to get the result, then copy the appropiate rectangle for the queried terrain into the cache & return it.
bool worldMapActiveState = m_worldMapTerrain.gameObject.activeInHierarchy;
m_worldMapTerrain.gameObject.SetActive(true);
GameObject emptyGO = new GameObject();
emptyGO.transform.position = new Vector3(m_worldMapTerrain.transform.position.x + m_worldMapTerrain.terrainData.size.x / 2f, m_worldMapTerrain.transform.position.y, m_worldMapTerrain.transform.position.z + +m_worldMapTerrain.terrainData.size.z / 2f);
GaiaMultiTerrainOperation operation = new GaiaMultiTerrainOperation(m_worldMapTerrain, emptyGO.transform, m_worldMapTerrain.terrainData.size.x);
operation.m_isWorldMapOperation = true;
operation.GetHeightmap();
operation.GetNormalmap();
operation.CollectTerrainBakedMasks();
RenderTextureDescriptor rtDescriptor = operation.RTbakedMask.descriptor;
RenderTexture inputTexture = RenderTexture.GetTemporary(rtDescriptor);
RenderTexture currentRT = RenderTexture.active;
RenderTexture.active = inputTexture;
GL.Clear(true, true, Color.white);
RenderTexture.active = currentRT;
RenderTexture ruleOutputTexture = RenderTexture.GetTemporary(rtDescriptor);
ImageMask[] maskStack = m_gaiaSessionManager.m_session.m_worldBiomeMaskSettings.m_spawnerRules.Find(x => x.GUID == worldBiomeMaskGUID).m_imageMasks;
//Calculate Target position &/ resolution
BoundsDouble bounds = new BoundsDouble();
TerrainHelper.GetTerrainBounds(ref bounds);
bounds.center -= TerrainLoaderManager.Instance.GetOrigin();
RenderTexture chunkContent = new RenderTexture(terrain.terrainData.heightmapTexture.descriptor);
int maxTilesX = Mathf.RoundToInt((float)bounds.size.x / terrain.terrainData.size.x);
int maxTilesZ = Mathf.RoundToInt((float)bounds.size.z / terrain.terrainData.size.z);
int currentTileX = Mathf.RoundToInt((terrain.transform.position.x - (float)bounds.min.x) / terrain.terrainData.size.x);
int currentTileZ = Mathf.RoundToInt((terrain.transform.position.z - (float)bounds.min.z) / terrain.terrainData.size.z);
float res = (terrain.terrainData.heightmapResolution) / ((float)bounds.size.x / terrain.terrainData.bounds.size.x * (terrain.terrainData.heightmapResolution - 1));
Bounds worldSpaceBounds = terrain.terrainData.bounds;
worldSpaceBounds.center = new Vector3(worldSpaceBounds.center.x + terrain.transform.position.x, worldSpaceBounds.center.y + terrain.transform.position.y, worldSpaceBounds.center.z + terrain.transform.position.z);
float xPos = ((float)currentTileX * terrain.terrainData.heightmapResolution) / (maxTilesX * terrain.terrainData.heightmapResolution);
float zPos = ((float)currentTileZ * terrain.terrainData.heightmapResolution) / (maxTilesZ * terrain.terrainData.heightmapResolution);
Vector2 pos = new Vector2(xPos, zPos);
//If we have a mask stack, we need to process it
if (maskStack != null && maskStack.Length > 0)
{
//We start from a white texture, so we need the first mask action in the stack to always be "Multiply", otherwise there will be no result.
maskStack[0].m_blendMode = ImageMaskBlendMode.Multiply;
float maxWorldHeight = 0f;
float minWorldHeight = 0f;
m_gaiaSessionManager.GetWorldMinMax(ref minWorldHeight, ref maxWorldHeight, true);
//Iterate through all image masks and set up the current paint context in case the shader uses heightmap data
foreach (ImageMask mask in maskStack)
{
mask.m_multiTerrainOperation = operation;
mask.m_seaLevel = m_gaiaSessionManager.GetSeaLevel(true);
mask.m_maxWorldHeight = maxWorldHeight;
mask.m_minWorldHeight = minWorldHeight;
}
Graphics.Blit(ImageProcessing.ApplyMaskStack(inputTexture, ruleOutputTexture, maskStack, ImageMaskInfluence.Local), ruleOutputTexture);
}
else
{
//no mask stack -> just blit the white input texture over as the output
Graphics.Blit(inputTexture, ruleOutputTexture);
}
operation.CloseOperation();
DestroyImmediate(emptyGO);
RenderTexture.ReleaseTemporary(inputTexture);
m_worldMapTerrain.gameObject.SetActive(worldMapActiveState);
//copy the rule output into the right size for the requested terrain chunk
Graphics.Blit(ruleOutputTexture, chunkContent, new Vector2(res, res), pos);
string filename = GetWorldBiomeMaskFilename(terrain, worldBiomeMaskGUID);
SaveBakedMaskInCache(chunkContent, terrain, filename);
RenderTexture.ReleaseTemporary(ruleOutputTexture);
return(chunkContent);
}
