add floorplan 2.0 package
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Vova
+298
@@ -0,0 +1,298 @@
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using UnityEngine;
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using System.Collections;
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using System.Linq;
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using System.Collections.Generic;
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using UnityEditor.UI;
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public class MeshCombiner : MonoBehaviour
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{
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GameObject wallMesh;
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GameObject floorMesh;
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public void Awake()
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{
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}
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private void Start()
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{
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wallMesh = new GameObject("WallMesh", typeof(MeshFilter), typeof(Renderer));
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floorMesh = new GameObject("FloorMesh", typeof(MeshFilter), typeof(Renderer));
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print(transform.childCount);
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for (int i = transform.childCount - 1; i >= 0; --i)
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{
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Transform child = transform.GetChild(i);
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if (child.name == "Floor")
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child.SetParent(floorMesh.transform, true);
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else if (child.name == "Walls")
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child.SetParent(wallMesh.transform, true);
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}
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wallMesh.transform.parent = transform;
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floorMesh.transform.parent = transform;
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CombineWalls();
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CombineFloor();
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ClearChildren(floorMesh.transform);
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ClearChildren(wallMesh.transform);
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SplitMesh(floorMesh.GetComponent<MeshFilter>());
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SplitMesh(wallMesh.GetComponent<MeshFilter>());
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for (int i = 0; i < floorMesh.transform.childCount; i++)
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{
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Simplify(floorMesh.transform.GetChild(i).GetComponent<MeshFilter>());
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}
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for (int i = 0; i < wallMesh.transform.childCount; i++)
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{
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Simplify(wallMesh.transform.GetChild(i).GetComponent<MeshFilter>());
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}
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}
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void ClearChildren(Transform t)
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{
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for(int i=0; i<t.childCount; i++)
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{
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Destroy(t.GetChild(i).gameObject);
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}
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}
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private void Simplify(MeshFilter mf)
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{
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if (mf != null)
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{
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mf.mesh.Weld(0.00000328f, 1f);
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mf.mesh.Simplify();
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}
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}
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void SplitMesh(MeshFilter mf)
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{
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for (int i = 0; i < mf.mesh.subMeshCount; i++)
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{
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GameObject gO = new GameObject();
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gO.name = mf.gameObject.name + " submesh " + (i+1).ToString();
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gO.transform.parent = mf.gameObject.transform;
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MeshFilter filter = gO.AddComponent<MeshFilter>();
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filter.mesh=mf.mesh.GetSubmesh(i);
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Renderer r = gO.AddComponent<MeshRenderer>();
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r.material = mf.gameObject.GetComponent<Renderer>().materials[i];
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MeshCollider c = gO.AddComponent<MeshCollider>();
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c.sharedMesh = filter.mesh;
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}
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Destroy(mf.gameObject.GetComponent<Renderer>());
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Destroy(mf.gameObject.GetComponent<MeshCollider>());
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}
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private void CombineWalls()
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{
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Vector3 basePosition = transform.position;
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Quaternion baseRotation = transform.rotation;
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transform.position = Vector3.zero;
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transform.rotation = Quaternion.identity;
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ArrayList materials = new ArrayList();
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ArrayList combineInstanceArrays = new ArrayList();
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MeshFilter[] meshFilters = wallMesh.GetComponentsInChildren<MeshFilter>();
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//Linq solution to make sure we don't combine any of the doors(a door is easily identifiable by it's rigidbody component, so we look for that).
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meshFilters = meshFilters.Where((source, index) => !(source.transform.name == "FloorMesh" || source.transform.name == "WallMesh" || source.transform.GetComponent<Rigidbody>() || source.transform.GetComponentInParent<Rigidbody>())).ToArray();
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foreach (MeshFilter meshFilter in meshFilters)
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{
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MeshRenderer meshRenderer = meshFilter.GetComponent<MeshRenderer>();
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if (!meshRenderer ||
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!meshFilter.sharedMesh ||
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meshRenderer.sharedMaterials.Length != meshFilter.sharedMesh.subMeshCount)
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{
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print(meshFilter.gameObject.name);
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continue;
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}
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for (int s = 0; s < meshFilter.sharedMesh.subMeshCount; s++)
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{
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if (meshRenderer.sharedMaterials[s]){
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int materialArrayIndex = Contains(materials, meshRenderer.sharedMaterials[s].name);
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if (materialArrayIndex == -1)
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{
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materials.Add(meshRenderer.sharedMaterials[s]);
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materialArrayIndex = materials.Count - 1;
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}
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combineInstanceArrays.Add(new ArrayList());
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CombineInstance combineInstance = new CombineInstance();
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combineInstance.transform = meshRenderer.transform.localToWorldMatrix;
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combineInstance.subMeshIndex = s;
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combineInstance.mesh = meshFilter.sharedMesh;
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(combineInstanceArrays[materialArrayIndex] as ArrayList).Add(combineInstance);
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}
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}
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}
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// Get / Create mesh filter & renderer
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MeshFilter meshFilterCombine = wallMesh.GetComponent<MeshFilter>();
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if (meshFilterCombine == null)
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{
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meshFilterCombine = wallMesh.AddComponent<MeshFilter>();
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}
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MeshRenderer meshRendererCombine = gameObject.GetComponent<MeshRenderer>();
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if (meshRendererCombine == null)
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{
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meshRendererCombine = wallMesh.AddComponent<MeshRenderer>();
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}
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// Combine by material index into per-material meshes
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// also, Create CombineInstance array for next step
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Mesh[] meshes = new Mesh[materials.Count];
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CombineInstance[] combineInstances = new CombineInstance[materials.Count];
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for (int m = 0; m < materials.Count; m++)
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{
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CombineInstance[] combineInstanceArray = (combineInstanceArrays[m] as ArrayList).ToArray(typeof(CombineInstance)) as CombineInstance[];
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meshes[m] = new Mesh();
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meshes[m].CombineMeshes(combineInstanceArray, true, true);
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combineInstances[m] = new CombineInstance();
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combineInstances[m].mesh = meshes[m];
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combineInstances[m].subMeshIndex = 0;
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}
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// Combine into one
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meshFilterCombine.sharedMesh = new Mesh();
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meshFilterCombine.sharedMesh.CombineMeshes(combineInstances, false, false);
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// Destroy other meshes
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foreach (Mesh oldMesh in meshes)
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{
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oldMesh.Clear();
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DestroyImmediate(oldMesh);
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}
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// Assign materials
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Material[] materialsArray = materials.ToArray(typeof(Material)) as Material[];
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meshRendererCombine.materials = materialsArray;
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foreach (MeshFilter meshFilter in meshFilters)
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{
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if (!meshFilter || meshFilter.transform.GetComponent<Rigidbody>() || meshFilter.transform.GetComponentInParent<Rigidbody>() || meshFilter.transform.GetComponentInChildren<Rigidbody>())
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continue;
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print(meshFilter.gameObject.transform.parent.name);
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DestroyImmediate(meshFilter.gameObject.transform.parent.gameObject);
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}
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wallMesh.transform.position = basePosition;
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wallMesh.transform.rotation = baseRotation;
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wallMesh.AddComponent<MeshCollider>().sharedMesh = wallMesh.GetComponent<MeshFilter>().sharedMesh;
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}
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private void CombineFloor()
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{
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Vector3 basePosition = transform.position;
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Quaternion baseRotation = transform.rotation;
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transform.position = Vector3.zero;
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transform.rotation = Quaternion.identity;
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ArrayList materials = new ArrayList();
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ArrayList combineInstanceArrays = new ArrayList();
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MeshFilter[] meshFilters = floorMesh.GetComponentsInChildren<MeshFilter>();
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//Linq solution to make sure we don't combine any of the doors(a door is easily identifiable by it's rigidbody component, so we look for that).
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meshFilters = meshFilters.Where((source, index) => !(source.transform.name=="FloorMesh" || source.transform.name=="WallMesh" || source.transform.GetComponent<Rigidbody>() || source.transform.GetComponentInParent<Rigidbody>())).ToArray();
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foreach (MeshFilter meshFilter in meshFilters)
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{
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MeshRenderer meshRenderer = meshFilter.GetComponent<MeshRenderer>();
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if (!meshRenderer ||
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!meshFilter.sharedMesh ||
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meshRenderer.sharedMaterials.Length != meshFilter.sharedMesh.subMeshCount)
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{
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continue;
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}
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for (int s = 0; s < meshFilter.sharedMesh.subMeshCount; s++)
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{
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if (meshRenderer.sharedMaterials[s])
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{
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int materialArrayIndex = Contains(materials, meshRenderer.sharedMaterials[s].name);
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if (materialArrayIndex == -1)
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{
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materials.Add(meshRenderer.sharedMaterials[s]);
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materialArrayIndex = materials.Count - 1;
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}
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combineInstanceArrays.Add(new ArrayList());
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CombineInstance combineInstance = new CombineInstance();
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combineInstance.transform = meshRenderer.transform.localToWorldMatrix;
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combineInstance.subMeshIndex = s;
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combineInstance.mesh = meshFilter.sharedMesh;
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(combineInstanceArrays[materialArrayIndex] as ArrayList).Add(combineInstance);
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}
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}
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}
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// Get / Create mesh filter & renderer
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MeshFilter meshFilterCombine = floorMesh.GetComponent<MeshFilter>();
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if (meshFilterCombine == null)
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{
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meshFilterCombine = floorMesh.AddComponent<MeshFilter>();
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}
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MeshRenderer meshRendererCombine = gameObject.GetComponent<MeshRenderer>();
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if (meshRendererCombine == null)
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{
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meshRendererCombine = floorMesh.AddComponent<MeshRenderer>();
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}
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// Combine by material index into per-material meshes
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// also, Create CombineInstance array for next step
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Mesh[] meshes = new Mesh[materials.Count];
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CombineInstance[] combineInstances = new CombineInstance[materials.Count];
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for (int m = 0; m < materials.Count; m++)
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{
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CombineInstance[] combineInstanceArray = (combineInstanceArrays[m] as ArrayList).ToArray(typeof(CombineInstance)) as CombineInstance[];
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meshes[m] = new Mesh();
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meshes[m].CombineMeshes(combineInstanceArray, true, true);
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combineInstances[m] = new CombineInstance();
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combineInstances[m].mesh = meshes[m];
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combineInstances[m].subMeshIndex = 0;
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}
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// Combine into one
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meshFilterCombine.sharedMesh = new Mesh();
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meshFilterCombine.sharedMesh.CombineMeshes(combineInstances, false, false);
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// Destroy other meshes
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foreach (Mesh oldMesh in meshes)
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{
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oldMesh.Clear();
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DestroyImmediate(oldMesh);
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}
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// Assign materials
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Material[] materialsArray = materials.ToArray(typeof(Material)) as Material[];
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meshRendererCombine.materials = materialsArray;
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foreach (MeshFilter meshFilter in meshFilters)
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{
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if (!meshFilter || meshFilter.transform.GetComponent<Rigidbody>() || meshFilter.transform.GetComponentInParent<Rigidbody>() || meshFilter.transform.GetComponentInChildren<Rigidbody>())
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continue;
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DestroyImmediate(meshFilter.gameObject.transform.parent.gameObject);
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}
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floorMesh.transform.position = basePosition;
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floorMesh.transform.rotation = baseRotation;
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floorMesh.AddComponent<MeshCollider>().sharedMesh = floorMesh.GetComponent<MeshFilter>().sharedMesh;
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}
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private int Contains(ArrayList searchList, string searchName)
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{
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for (int i = 0; i < searchList.Count; i++)
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{
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if (((Material)searchList[i]).name == searchName)
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{
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return i;
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}
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}
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return -1;
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}
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}
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