77 lines
3.6 KiB
C#
77 lines
3.6 KiB
C#
|
using AwesomeTechnologies.Utility;
|
|||
|
|
using UnityEngine;
|
|||
|
|
|
|||
|
|
namespace AwesomeTechnologies.VegetationSystem
|
|||
|
|
{
|
|||
|
|
public partial class UnityTerrain
|
|||
|
|
{
|
|||
|
|
private void SetupHeatmapMaterial()
|
|||
|
|
{
|
|||
|
|
TerrainHeatmapMaterial = Instantiate(Resources.Load<Material>("TerrainHeatmap"));
|
|||
|
|
#if UNITY_2019_3_OR_NEWER
|
|||
|
|
TerrainHeatmapMaterial.shader = Shader.Find("AwesomeTechnologies/Release/Terrain/BetterShaders_TerrainHeatmap");
|
|||
|
|
#endif
|
|||
|
|
}
|
|||
|
|
public void OverrideTerrainMaterial()
|
|||
|
|
{
|
|||
|
|
if (!Terrain) return;
|
|||
|
|
if (TerrainHeatmapMaterial == null) SetupHeatmapMaterial();
|
|||
|
|
|
|||
|
|
if (!TerrainMaterialOverridden)
|
|||
|
|
{
|
|||
|
|
#if !UNITY_2019_2_OR_NEWER
|
|||
|
|
_originalTerrainMaterialType = Terrain.materialType;
|
|||
|
|
#endif
|
|||
|
|
_originalTerrainMaterial = Terrain.materialTemplate;
|
|||
|
|
_originalTerrainheightmapPixelError = Terrain.heightmapPixelError;
|
|||
|
|
_originalBasemapDistance = Terrain.basemapDistance;
|
|||
|
|
|
|||
|
|
#if UNITY_2018_3_OR_NEWER
|
|||
|
|
_originalTerrainInstanced = Terrain.drawInstanced;
|
|||
|
|
Terrain.drawInstanced = false;
|
|||
|
|
#endif
|
|||
|
|
TerrainMaterialOverridden = true;
|
|||
|
|
}
|
|||
|
|
#if !UNITY_2019_2_OR_NEWER
|
|||
|
|
Terrain.materialType = Terrain.MaterialType.Custom;
|
|||
|
|
#endif
|
|||
|
|
Terrain.materialTemplate = TerrainHeatmapMaterial;
|
|||
|
|
Terrain.basemapDistance = 0;
|
|||
|
|
Terrain.heightmapPixelError = 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void RestoreTerrainMaterial()
|
|||
|
|
{
|
|||
|
|
if (!Terrain || !TerrainMaterialOverridden) return;
|
|||
|
|
#if !UNITY_2019_2_OR_NEWER
|
|||
|
|
Terrain.materialType = _originalTerrainMaterialType;
|
|||
|
|
#endif
|
|||
|
|
Terrain.materialTemplate = _originalTerrainMaterial;
|
|||
|
|
Terrain.heightmapPixelError = _originalTerrainheightmapPixelError;
|
|||
|
|
Terrain.basemapDistance = _originalBasemapDistance;
|
|||
|
|
#if UNITY_2018_3_OR_NEWER
|
|||
|
|
Terrain.drawInstanced = _originalTerrainInstanced;
|
|||
|
|
#endif
|
|||
|
|
TerrainMaterialOverridden = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void UpdateTerrainMaterial(float worldspaceSeaLevel, float worldspaceMaxTerrainHeight, TerrainTextureSettings terrainTextureSettings)
|
|||
|
|
{
|
|||
|
|
if (!TerrainHeatmapMaterial) return;
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_TerrainMinHeight", worldspaceSeaLevel);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_TerrainMaxHeight", worldspaceMaxTerrainHeight);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_MinHeight", 0);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_MaxHeight", 0);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_MinSteepness", 0);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_MaxSteepness", 90);
|
|||
|
|
TerrainHeatmapMaterial.SetTexture("_CurveTexture", new Texture2D(1, 1));
|
|||
|
|
TerrainHeatmapMaterial.SetFloatArray("_HeightCurve", terrainTextureSettings.TextureHeightCurve.GenerateCurveArray(256));
|
|||
|
|
TerrainHeatmapMaterial.SetFloatArray("_SteepnessCurve", terrainTextureSettings.TextureSteepnessCurve.GenerateCurveArray(256));
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_UseNoise", terrainTextureSettings.UseNoise ? 1 : 0);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_InverseNoise", terrainTextureSettings.InverseNoise ? 1 : 0);
|
|||
|
|
TerrainHeatmapMaterial.SetFloat("_NoiseScale", terrainTextureSettings.NoiseScale);
|
|||
|
|
TerrainHeatmapMaterial.SetVector("_NoiseOffset", new Vector4(terrainTextureSettings.NoiseOffset.x,0,terrainTextureSettings.NoiseOffset.y,0));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|