public void UpdateContactMatrix() {
List<PhysicalMaterialClass> materialClasses = new List<PhysicalMaterialClass>();
var guids = AssetDatabase.FindAssets("t:PhysicalMaterialClass");
foreach (var guid in guids) {
var path = AssetDatabase.GUIDToAssetPath(guid);
var obj = (PhysicalMaterialClass)AssetDatabase.LoadAssetAtPath(path, typeof(PhysicalMaterialClass));
materialClasses.Add(obj);
}
List<PhysicalContact> contacts = new List<PhysicalContact>();
Dictionary<PhysicalMaterialClass, Dictionary<PhysicalMaterialClass, PhysicalContact>> contactMap = new Dictionary<PhysicalMaterialClass, Dictionary<PhysicalMaterialClass, PhysicalContact>>();
foreach (var m in materialClasses) {
// keep existing contacts for existing material pairs
// add new contacts for new pairs.
Dictionary<PhysicalMaterialClass, PhysicalContact> map;
if (!contactMap.TryGetValue(m, out map)) {
map = new Dictionary<PhysicalMaterialClass, PhysicalContact>();
contactMap.Add(m, map);
}
foreach (var z in materialClasses) {
Dictionary<PhysicalMaterialClass, PhysicalContact> zmap;
contactMap.TryGetValue(z, out zmap);
if (!map.ContainsKey(z)) {
// see if z has contact
PhysicalContact contact = null;
if ((zmap == null) || !zmap.TryGetValue(m, out contact)) {
if (this.contacts != null) {
for (int i = 0; i < this.contacts.Length; ++i) {
var c = this.contacts[i];
if (((c.material1 == m) && (c.material2 == z)) || ((c.material1 == z) && (c.material2 == m))) {
contact = c;
break;
}
}
}
if (contact == null) {
contact = new PhysicalContact();
}
contact.material1 = m;
contact.material2 = z;
contacts.Add(contact);
if ((zmap != null) && !ReferenceEquals(map, zmap)) {
zmap.Add(m, contact);
}
}
map.Add(z, contact);
}
}
}
bool changed = false;
if ((this.contacts == null) || (this.contacts.Length != contacts.Count)) {
changed = true;
}
if (!changed) {
for (int i = 0; i < contacts.Count; ++i) {
var a = this.contacts[i];
var b = contacts[i];
if (!ReferenceEquals(a, b)) {
changed = true;
break;
}
}
}
if (changed) {
this.contacts = contacts.ToArray();
EditorUtility.SetDirty(this);
}
}
public void ClientPrecache() {
PhysicalContact.ClientPrecache(contacts);
defaultContact.ClientPrecache();
}
public void OnBeforeSerialize() {
if (defaultContact == null) {
defaultContact = new PhysicalContact();
}
}
public ContactState(PhysicalContact contact) {
_contact = contact;
}