Files
unity-iso-tools/Assets/IsoTools/Scripts/IsoWorld.cs
2015-08-01 03:52:40 +06:00

361 lines
9.1 KiB
C#

using UnityEngine;
using System.Collections.Generic;
#if UNITY_EDITOR
using UnityEditor;
#endif
namespace IsoTools {
[ExecuteInEditMode, DisallowMultipleComponent]
public class IsoWorld : MonoBehaviour {
bool _dirty = true;
HashSet<IsoObject> _visibles = new HashSet<IsoObject>();
HashSet<IsoObject> _isoObjects = new HashSet<IsoObject>();
// ------------------------------------------------------------------------
//
// Public
//
// ------------------------------------------------------------------------
[SerializeField]
public float _tileSize = 32.0f;
public float tileSize {
get { return _tileSize; }
set {
_tileSize = Mathf.Max(value, Mathf.Epsilon);
ChangeSortingProperty();
}
}
[SerializeField]
public float _minDepth = 1.0f;
public float minDepth {
get { return _minDepth; }
set {
_minDepth = value;
ChangeSortingProperty();
}
}
[SerializeField]
public float _maxDepth = 100.0f;
public float maxDepth {
get { return _maxDepth; }
set {
_maxDepth = value;
ChangeSortingProperty();
}
}
public void MarkDirty() {
_dirty = true;
MarkEditorWorldDirty();
}
public void MarkDirty(IsoObject iso_object) {
if ( iso_object && _visibles.Contains(iso_object) ) {
MarkDirty();
SetupIsoObjectDepends(iso_object);
}
}
public Vector2 IsoToScreen(Vector3 pos) {
return new Vector2(
(pos.x - pos.y),
(pos.x + pos.y) * 0.5f + pos.z) * tileSize;
}
public Vector3 ScreenToIso(Vector2 pos) {
return new Vector3(
(pos.x * 0.5f + pos.y),
(pos.y - pos.x * 0.5f),
0.0f) / tileSize;
}
public Vector3 ScreenToIso(Vector2 pos, float iso_z) {
return IsoUtils.Vec3ChangeZ(
ScreenToIso(new Vector2(pos.x, pos.y - iso_z * tileSize)),
iso_z);
}
public void AddIsoObject(IsoObject iso_object) {
_isoObjects.Add(iso_object);
}
public void RemoveIsoObject(IsoObject iso_object) {
_isoObjects.Remove(iso_object);
}
// ------------------------------------------------------------------------
//
// Private
//
// ------------------------------------------------------------------------
bool IsGameObjectVisible(GameObject obj) {
var renderer = obj.GetComponent<Renderer>();
if ( renderer && renderer.isVisible ) {
return true;
}
var obj_transform = obj.transform;
for ( var i = 0; i < obj_transform.childCount; ++i ) {
var child_obj = obj_transform.GetChild(i).gameObject;
if ( IsGameObjectVisible(child_obj) ) {
return true;
}
}
return false;
}
bool IsIsoObjectVisible(IsoObject iso_object) {
return IsGameObjectVisible(iso_object.gameObject);
}
void MarkEditorWorldDirty() {
#if UNITY_EDITOR
EditorUtility.SetDirty(this);
#endif
}
void FixAllTransforms() {
foreach ( var iso_object in _isoObjects ) {
iso_object.FixTransform();
}
}
void ChangeSortingProperty() {
MarkDirty();
FixAllTransforms();
}
bool IsDepends(Vector3 a_min, Vector3 a_size, Vector3 b_min, Vector3 b_size) {
var a_max = a_min + a_size;
var b_max = b_min + b_size;
var a_yesno = a_max.x > b_min.x && a_max.y > b_min.y && b_max.z > a_min.z;
var b_yesno = b_max.x > a_min.x && b_max.y > a_min.y && a_max.z > b_min.z;
if ( a_yesno && b_yesno ) {
var da_p = new Vector3(a_max.x - b_min.x, a_max.y - b_min.y, b_max.z - a_min.z);
var db_p = new Vector3(b_max.x - a_min.x, b_max.y - a_min.y, a_max.z - b_min.z);
var dp_p = a_size + b_size - IsoUtils.Vec3Abs(da_p - db_p);
if ( dp_p.x <= dp_p.y && dp_p.x <= dp_p.z ) {
return da_p.x > db_p.x;
} else if ( dp_p.y <= dp_p.x && dp_p.y <= dp_p.z ) {
return da_p.y > db_p.y;
} else {
return da_p.z > db_p.z;
}
}
return a_yesno;
}
bool IsDepends(IsoObject a, IsoObject b) {
return IsDepends(a.position, a.size, b.position, b.size);
}
/*
void CheckAlives() {
var new_visibles = new HashSet<IsoObject>();
var new_objects = new List<IsoObject>();
foreach ( var iso_object in _isoObjects ) {
if ( IsIsoObjectVisible(iso_object) ) {
new_visibles.Add(iso_object);
if ( !_visibles.Contains(iso_object) ) {
new_objects.Add(iso_object);
}
}
}
if ( !_visibles.IsSupersetOf(new_visibles) ) {
MarkDirty();
}
_visibles = new_visibles;
Debug.LogFormat("AllObjects: {0}, Visibles: {1}", _isoObjects.Count, _visibles.Count);
}
void SetupObjects() {
_objects.Clear();
foreach ( var obj in _visibles ) {
_objects.Add(obj);
}
}
void SetupObjectDepends(IsoObject obj_ao) {
obj_ao.Visited = false;
obj_ao.Depends.Clear();
for ( var obj_bi = 0; obj_bi < _objects.Count; ++obj_bi ) {
var obj_bo = _objects[obj_bi];
if ( obj_ao != obj_bo && IsDepends(obj_ao.position, obj_ao.size, obj_bo.position, obj_bo.size) ) {
obj_ao.Depends.Add(obj_bi);
}
}
}
void SetupAllObjectDepends() {
foreach ( var obj_ao in _objects ) {
obj_ao.Visited = false;
obj_ao.Depends.Clear();
for ( var obj_bi = 0; obj_bi < _objects.Count; ++obj_bi ) {
var obj_bo = _objects[obj_bi];
if ( obj_ao != obj_bo && IsDepends(obj_ao.position, obj_ao.size, obj_bo.position, obj_bo.size) ) {
obj_ao.Depends.Add(obj_bi);
}
}
}
}
*/
float t_up = 0.0f;
float t_pl = 0.0f;
void OnGUI() {
GUILayout.Label("UpdateVisibles : " + (t_up * 1000).ToString());
GUILayout.Label("PlaceAllVisibles: " + (t_pl * 1000).ToString());
}
void StepSort() {
var s_up = Time.realtimeSinceStartup;
UpdateVisibles();
var e_up = Time.realtimeSinceStartup;
t_up = e_up - s_up;
if ( _dirty ) {
var s_pl = Time.realtimeSinceStartup;
PlaceAllVisibles();
var e_pl = Time.realtimeSinceStartup;
t_pl = e_pl - s_pl;
_dirty = false;
}
}
void UpdateVisibles() {
var old_all_visibles = _visibles;
var new_all_visibles = CalculateAllVisibles();
_visibles = new_all_visibles;
var new_visibles = new HashSet<IsoObject>(new_all_visibles);
new_visibles.ExceptWith(old_all_visibles);
if ( new_visibles.Count > 0 ) {
//Debug.LogFormat("New: {0}, Visibles: {1}, All: {2}", new_visibles.Count, _visibles.Count, _isoObjects.Count);
MarkDirty();
foreach ( var iso_object in new_visibles ) {
SetupIsoObjectDepends(iso_object);
}
}
}
HashSet<IsoObject> CalculateAllVisibles() {
var all_visibles = new HashSet<IsoObject>();
foreach ( var iso_object in _isoObjects ) {
if ( IsIsoObjectVisible(iso_object) ) {
iso_object.Visited = false;
all_visibles.Add(iso_object);
}
}
return all_visibles;
}
void SetupIsoObjectDepends(IsoObject iso_object) {
foreach ( var other_iso_object in iso_object.TheirDepends ) {
other_iso_object.SelfDepends.Remove(iso_object);
}
iso_object.SelfDepends.Clear();
iso_object.TheirDepends.Clear();
foreach ( var other_iso_object in _visibles ) {
if ( iso_object != other_iso_object ) {
if ( IsDepends(iso_object, other_iso_object) ) {
iso_object.SelfDepends.Add(other_iso_object);
other_iso_object.TheirDepends.Add(iso_object);
}
if ( IsDepends(other_iso_object, iso_object) ) {
other_iso_object.SelfDepends.Add(iso_object);
iso_object.TheirDepends.Add(other_iso_object);
}
/*
if ( IsDepends(other_iso_object, iso_object) ) {
other_iso_object.Depends.Add(iso_object);
} else {
other_iso_object.Depends.Remove(iso_object);
}*/
}
}
}
int place_num = 0;
void PlaceAllVisibles() {
place_num = 0;
var depth = minDepth;
foreach ( var iso_object in _visibles ) {
depth = RecursivePlaceIsoObject(iso_object, depth);
}
//Debug.LogFormat("Place: {0}, All: {1}", _visibles.Count, _isoObjects.Count);
//Debug.LogFormat("PlaceNum: {0}", place_num);
}
float RecursivePlaceIsoObject(IsoObject iso_object, float depth) {
++place_num;
if ( iso_object.Visited ) {
return depth;
}
iso_object.Visited = true;
foreach ( var depend in iso_object.SelfDepends ) {
depth = RecursivePlaceIsoObject(depend, depth);
}
PlaceIsoObject(iso_object, depth);
return depth + (maxDepth - minDepth) / _visibles.Count;
}
void PlaceIsoObject(IsoObject iso_object, float depth) {
var trans = iso_object.transform;
trans.position = IsoUtils.Vec3ChangeZ(trans.position, depth);
}
// ------------------------------------------------------------------------
//
// Messages
//
// ------------------------------------------------------------------------
void Start() {
ChangeSortingProperty();
StepSort();
}
void LateUpdate() {
StepSort();
}
void OnEnable() {
_visibles.Clear();
_isoObjects = new HashSet<IsoObject>(FindObjectsOfType<IsoObject>());
MarkDirty();
}
void OnDisable() {
_visibles.Clear();
_isoObjects.Clear();
}
#if UNITY_EDITOR
void Reset() {
tileSize = 32.0f;
minDepth = 1.0f;
maxDepth = 100.0f;
}
void OnValidate() {
tileSize = _tileSize;
minDepth = _minDepth;
maxDepth = _maxDepth;
}
void OnRenderObject() {
if ( Camera.current && Camera.current.name == "SceneCamera" ) {
StepSort();
}
}
#endif
}
} // namespace IsoTools