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284 рядки
9.8 KiB
284 рядки
9.8 KiB
using UnityEngine;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using DigitalOpus.MB.Core;
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using LuaFramework;
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public class MB3_MeshBakerGrouper : MonoBehaviour {
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public MB3_MeshBakerGrouperCore grouper;
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//these are for getting a resonable bounds in which to draw gizmos.
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[HideInInspector] public Bounds sourceObjectBounds = new Bounds(Vector3.zero,Vector3.one);
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void OnDrawGizmosSelected(){
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if (grouper == null) return;
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if (grouper.clusterGrouper == null) return;
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if (grouper.clusterGrouper.clusterType == MB3_MeshBakerGrouperCore.ClusterType.grid){
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Vector3 cs = grouper.clusterGrouper.cellSize;
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if (cs.x <= .00001f || cs.y <= .00001f || cs.z <= .00001f) return;
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Vector3 p = sourceObjectBounds.center - sourceObjectBounds.extents;
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Vector3 offset = grouper.clusterGrouper.origin;
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offset.x = offset.x % cs.x;
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offset.y = offset.y % cs.y;
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offset.z = offset.z % cs.z;
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//snap p to closest cell center
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Vector3 start;
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p.x = Mathf.Round((p.x) / cs.x) * cs.x + offset.x;
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p.y = Mathf.Round((p.y) / cs.y) * cs.y + offset.y;
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p.z = Mathf.Round((p.z) / cs.z) * cs.z + offset.z;
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if (p.x > sourceObjectBounds.center.x - sourceObjectBounds.extents.x) p.x = p.x - cs.x;
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if (p.y > sourceObjectBounds.center.y - sourceObjectBounds.extents.y) p.y = p.y - cs.y;
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if (p.z > sourceObjectBounds.center.z - sourceObjectBounds.extents.z) p.z = p.z - cs.z;
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start = p;
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int numcells = Mathf.CeilToInt(sourceObjectBounds.size.x / cs.x + sourceObjectBounds.size.y / cs.y + sourceObjectBounds.size.z / cs.z);
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if (numcells > 200){
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Gizmos.DrawWireCube(grouper.clusterGrouper.origin + cs/2f,cs);
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} else {
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for (;p.x < sourceObjectBounds.center.x + sourceObjectBounds.extents.x; p.x += cs.x){
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p.y = start.y;
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for (;p.y < sourceObjectBounds.center.y + sourceObjectBounds.extents.y; p.y += cs.y){
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p.z = start.z;
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for (;p.z < sourceObjectBounds.center.z + sourceObjectBounds.extents.z; p.z += cs.z){
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Gizmos.DrawWireCube(p + cs/2f,cs);
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}
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}
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}
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}
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}
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if (grouper.clusterGrouper.clusterType == MB3_MeshBakerGrouperCore.ClusterType.pie){
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if (grouper.clusterGrouper.pieAxis.magnitude < .1f) return;
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if (grouper.clusterGrouper.pieNumSegments < 1) return;
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float rad = sourceObjectBounds.extents.magnitude;
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DrawCircle(grouper.clusterGrouper.pieAxis,grouper.clusterGrouper.origin,rad,24);
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Quaternion yIsUp2PieAxis = Quaternion.FromToRotation(Vector3.up,grouper.clusterGrouper.pieAxis);
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Quaternion rStep = Quaternion.AngleAxis(180f / grouper.clusterGrouper.pieNumSegments, Vector3.up);
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Vector3 r = rStep * Vector3.forward;
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for (int i = 0; i < grouper.clusterGrouper.pieNumSegments; i++){
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Vector3 rr = yIsUp2PieAxis * r;
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Gizmos.DrawLine(grouper.clusterGrouper.origin, grouper.clusterGrouper.origin + rr * rad);
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r = rStep * r;
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r = rStep * r;
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}
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}
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}
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public static void DrawCircle (Vector3 axis, Vector3 center, float radius, int subdiv) {
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Quaternion q = Quaternion.AngleAxis (360 / subdiv, axis);
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Vector3 r = new Vector3 (axis.y, -axis.x, axis.z); //should be perpendicular to axis
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r.Normalize ();
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r *= radius;
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for (int i = 0; i < subdiv+1; i ++) {
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Vector3 r2 = q * r;
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Gizmos.DrawLine (center + r, center + r2);
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r = r2;
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}
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}
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}
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[Serializable]
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public class MB3_MeshBakerGrouperCore{
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public enum ClusterType{
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none,
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grid,
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pie,
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//voroni,
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}
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[Serializable]
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public class ClusterGrouper{
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public ClusterType clusterType;
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public Vector3 origin;
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//for grid
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public Vector3 cellSize;
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//for pie
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public int pieNumSegments = 4;
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public Vector3 pieAxis = Vector3.up;
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public Dictionary<string,List<Renderer>> FilterIntoGroups(List<GameObject> selection){
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if (clusterType == ClusterType.none){
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return FilterIntoGroupsNone(selection);
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} else if (clusterType == ClusterType.grid) {
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return FilterIntoGroupsGrid(selection);
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} else if (clusterType == ClusterType.pie){
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return FilterIntoGroupsPie(selection);
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}
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return new Dictionary<string, List<Renderer>>();
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}
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public Dictionary<string,List<Renderer>> FilterIntoGroupsNone(List<GameObject> selection)
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{
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LogManager.Log ("Filtering into groups none");
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Dictionary<string,List<Renderer>> cell2objs = new Dictionary<string,List<Renderer>>();
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List<Renderer> rs = new List<Renderer>();
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for (int i = 0; i < selection.Count; i++)
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{
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rs.Add (selection[i].GetComponent<Renderer>());
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}
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cell2objs.Add ("MeshBaker",rs);
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return cell2objs;
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}
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public Dictionary<string,List<Renderer>> FilterIntoGroupsGrid(List<GameObject> selection){
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Dictionary<string,List<Renderer>> cell2objs = new Dictionary<string,List<Renderer>>();
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if (cellSize.x <= 0f || cellSize.y <= 0f || cellSize.z <= 0f ){
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LogManager.LogError ("cellSize x,y,z must all be greater than zero.");
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return cell2objs;
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}
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LogManager.Log("Collecting renderers in each cell");
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foreach (GameObject t in selection){
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GameObject go = t;
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Renderer[] mrs = go.GetComponentsInChildren<Renderer>();
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for (int j = 0; j < mrs.Length; j++){
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if (mrs[j] is MeshRenderer || mrs[j] is SkinnedMeshRenderer){
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//get the cell this gameObject is in
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Vector3 gridVector = mrs[j].transform.position;
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gridVector.x = Mathf.Floor((gridVector.x - origin.x) / cellSize.x) * cellSize.x;
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gridVector.y = Mathf.Floor((gridVector.y - origin.y) / cellSize.y) * cellSize.y;
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gridVector.z = Mathf.Floor((gridVector.z - origin.z) / cellSize.z) * cellSize.z;
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List<Renderer> objs = null;
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string gridVectorStr = gridVector.ToString();
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if (cell2objs.ContainsKey(gridVectorStr)){
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objs = cell2objs[gridVectorStr];
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} else {
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objs = new List<Renderer>();
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cell2objs.Add (gridVectorStr,objs);
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}
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if (!objs.Contains(mrs[j])){
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objs.Add (mrs[j]);
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}
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}
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}
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}
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return cell2objs;
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}
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public Dictionary<string,List<Renderer>> FilterIntoGroupsPie(List<GameObject> selection){
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Dictionary<string,List<Renderer>> cell2objs = new Dictionary<string,List<Renderer>>();
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if (pieNumSegments == 0 ){
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LogManager.LogError ("pieNumSegments must be greater than zero.");
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return cell2objs;
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}
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if (pieAxis.magnitude <= .000001f ){
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LogManager.LogError ("Pie axis must have length greater than zero.");
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return cell2objs;
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}
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pieAxis.Normalize();
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Quaternion pieAxis2yIsUp = Quaternion.FromToRotation(pieAxis,Vector3.up);
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LogManager.Log("Collecting renderers in each cell");
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foreach (GameObject t in selection){
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GameObject go = t;
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Renderer[] mrs = go.GetComponentsInChildren<Renderer>();
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for (int j = 0; j < mrs.Length; j++){
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if (mrs[j] is MeshRenderer || mrs[j] is SkinnedMeshRenderer){
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//get the cell this gameObject is in
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Vector3 origin2obj = mrs[j].transform.position - origin;
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origin2obj.Normalize();
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origin2obj = pieAxis2yIsUp * origin2obj;
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float d_aboutY = 0f;
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if (Mathf.Abs(origin2obj.x) < 10e-5f && Mathf.Abs(origin2obj.z) < 10e-5f){
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d_aboutY = 0f;
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} else {
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d_aboutY = Mathf.Atan2(origin2obj.z,origin2obj.x) * Mathf.Rad2Deg;
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if (d_aboutY < 0f) d_aboutY = 360f + d_aboutY;
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}
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int segment = Mathf.FloorToInt(d_aboutY / 360f * pieNumSegments);
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List<Renderer> objs = null;
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string segStr = "seg_" + segment;
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if (cell2objs.ContainsKey(segStr)){
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objs = cell2objs[segStr];
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} else {
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objs = new List<Renderer>();
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cell2objs.Add (segStr,objs);
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}
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if (!objs.Contains(mrs[j])){
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objs.Add (mrs[j]);
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}
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}
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}
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}
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return cell2objs;
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}
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}
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public ClusterGrouper clusterGrouper;
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public bool clusterOnLMIndex;
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public void DoClustering(MB3_TextureBaker tb){
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if (clusterGrouper == null){
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LogManager.LogError("Cluster Grouper was null.");
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return;
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}
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//todo warn for no objects and no material bake result
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Dictionary<string,List<Renderer>> cell2objs = clusterGrouper.FilterIntoGroups(tb.GetObjectsToCombine());
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LogManager.Log ("Found " + cell2objs.Count + " cells with Renderers. Creating bakers.");
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if (clusterOnLMIndex){
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Dictionary<string,List<Renderer>> cell2objsNew = new Dictionary<string, List<Renderer>>();
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foreach (string key in cell2objs.Keys){
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List<Renderer> gaws = cell2objs[key];
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Dictionary<int,List<Renderer>> idx2objs = GroupByLightmapIndex(gaws);
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foreach(int keyIdx in idx2objs.Keys){
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string keyNew = key + "-LM-" + keyIdx;
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cell2objsNew.Add (keyNew,idx2objs[keyIdx]);
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}
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}
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cell2objs = cell2objsNew;
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}
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foreach (string key in cell2objs.Keys){
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List<Renderer> gaws = cell2objs[key];
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AddMeshBaker (tb,key,gaws);
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}
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}
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Dictionary<int,List<Renderer>> GroupByLightmapIndex(List<Renderer> gaws){
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Dictionary<int,List<Renderer>> idx2objs = new Dictionary<int, List<Renderer>>();
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for (int i = 0; i < gaws.Count; i++){
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List<Renderer> objs = null;
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if (idx2objs.ContainsKey(gaws[i].lightmapIndex)){
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objs = idx2objs[gaws[i].lightmapIndex];
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} else {
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objs = new List<Renderer>();
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idx2objs.Add (gaws[i].lightmapIndex,objs);
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}
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objs.Add (gaws[i]);
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}
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return idx2objs;
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}
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void AddMeshBaker(MB3_TextureBaker tb, string key, List<Renderer> gaws){
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int numVerts = 0;
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for (int i = 0; i < gaws.Count; i++){
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Mesh m = MB_Utility.GetMesh(gaws[i].gameObject);
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if (m != null)
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numVerts += m.vertexCount;
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}
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GameObject nmb = new GameObject("MeshBaker-" + key);
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nmb.transform.position = Vector3.zero;
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MB3_MeshBakerCommon newMeshBaker;
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if (numVerts >= 65535){
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newMeshBaker = nmb.AddComponent<MB3_MultiMeshBaker>();
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newMeshBaker.useObjsToMeshFromTexBaker = false;
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} else {
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newMeshBaker = nmb.AddComponent<MB3_MeshBaker>();
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newMeshBaker.useObjsToMeshFromTexBaker = false;
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}
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newMeshBaker.textureBakeResults = tb.textureBakeResults;
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newMeshBaker.transform.parent = tb.transform;
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for (int i = 0; i < gaws.Count; i++){
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newMeshBaker.GetObjectsToCombine().Add (gaws[i].gameObject);
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}
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}
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}
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