diff options
Diffstat (limited to 'ReliefTerrainVertexBlendTriplanar.cs')
| -rw-r--r-- | ReliefTerrainVertexBlendTriplanar.cs | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/ReliefTerrainVertexBlendTriplanar.cs b/ReliefTerrainVertexBlendTriplanar.cs new file mode 100644 index 0000000..6de2fc8 --- /dev/null +++ b/ReliefTerrainVertexBlendTriplanar.cs @@ -0,0 +1,138 @@ +using UnityEngine; + +[AddComponentMenu("Relief Terrain/Helpers/MIP solver for standalone shader")] +[ExecuteInEditMode] +public class ReliefTerrainVertexBlendTriplanar : MonoBehaviour +{ + public Texture2D tmp_globalColorMap; + + public string save_path_colormap = string.Empty; + + public GeometryVsTerrainBlend painterInstance; + + public Material material; + + public void SetupMIPOffsets() + { + if (GetComponent<Renderer>() == null && this.material == null) + { + return; + } + Material material = ((!(GetComponent<Renderer>() != null)) ? this.material : GetComponent<Renderer>().sharedMaterial); + if (material == null) + { + return; + } + if (material.HasProperty("_SplatAtlasA")) + { + SetupTex("_SplatAtlasA", "rtp_mipoffset_color", 1f, -1f); + } + if (material.HasProperty("_SplatA0")) + { + SetupTex("_SplatA0", "rtp_mipoffset_color"); + } + SetupTex("_BumpMap01", "rtp_mipoffset_bump"); + SetupTex("_TERRAIN_HeightMap", "rtp_mipoffset_height"); + if (material.HasProperty("_BumpMapGlobal")) + { + SetupTex("_BumpMapGlobal", "rtp_mipoffset_globalnorm", material.GetFloat("_BumpMapGlobalScale"), material.GetFloat("rtp_mipoffset_globalnorm_offset")); + if (material.HasProperty("_SuperDetailTiling")) + { + SetupTex("_BumpMapGlobal", "rtp_mipoffset_superdetail", material.GetFloat("_SuperDetailTiling")); + } + if (material.HasProperty("TERRAIN_FlowScale")) + { + SetupTex("_BumpMapGlobal", "rtp_mipoffset_flow", material.GetFloat("TERRAIN_FlowScale"), material.GetFloat("TERRAIN_FlowMipOffset")); + } + } + if (material.HasProperty("TERRAIN_RippleMap")) + { + SetupTex("TERRAIN_RippleMap", "rtp_mipoffset_ripple", material.GetFloat("TERRAIN_RippleScale")); + } + if (material.HasProperty("TERRAIN_CausticsTex")) + { + SetupTex("TERRAIN_CausticsTex", "rtp_mipoffset_caustics", material.GetFloat("TERRAIN_CausticsTilingScale")); + } + } + + private void SetupTex(string tex_name, string param_name, float _mult = 1f, float _add = 0f) + { + if (!(GetComponent<Renderer>() == null) || !(this.material == null)) + { + Material material = ((!(GetComponent<Renderer>() != null)) ? this.material : GetComponent<Renderer>().sharedMaterial); + if (!(material == null) && material.GetTexture(tex_name) != null) + { + int width = material.GetTexture(tex_name).width; + material.SetFloat(param_name, (0f - Mathf.Log(1024f / ((float)width * _mult))) / Mathf.Log(2f) + _add); + } + } + } + + public void SetTopPlanarUVBounds() + { + MeshFilter meshFilter = GetComponent(typeof(MeshFilter)) as MeshFilter; + if (meshFilter == null) + { + return; + } + Mesh sharedMesh = meshFilter.sharedMesh; + Vector3[] vertices = sharedMesh.vertices; + if (vertices.Length == 0) + { + return; + } + Vector3 vector = base.transform.TransformPoint(vertices[0]); + Vector4 value = default(Vector4); + value.x = vector.x; + value.y = vector.z; + value.z = vector.x; + value.w = vector.z; + for (int i = 1; i < vertices.Length; i++) + { + vector = base.transform.TransformPoint(vertices[i]); + if (vector.x < value.x) + { + value.x = vector.x; + } + if (vector.z < value.y) + { + value.y = vector.z; + } + if (vector.x > value.z) + { + value.z = vector.x; + } + if (vector.z > value.w) + { + value.w = vector.z; + } + } + value.z -= value.x; + value.w -= value.y; + if (!(GetComponent<Renderer>() == null) || !(this.material == null)) + { + Material material = ((!(GetComponent<Renderer>() != null)) ? this.material : GetComponent<Renderer>().sharedMaterial); + if (!(material == null)) + { + material.SetVector("_TERRAIN_PosSize", value); + } + } + } + + private void Awake() + { + SetupMIPOffsets(); + if (Application.isPlaying) + { + base.enabled = false; + } + } + + private void Update() + { + if (!Application.isPlaying) + { + SetupMIPOffsets(); + } + } +} |