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CortexCore
2024-11-03 16:42:23 +08:00
commit b125894cc3
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Assets/Plugins/ParadoxNotion/NodeCanvas/Modules/StateMachines/FSMNode.cs Normal file
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using NodeCanvas.Framework;
using ParadoxNotion;
using UnityEngine;
namespace NodeCanvas.StateMachines
{
///<summary> Super base class for FSM nodes that live within an FSM Graph.</summary>
public abstract class FSMNode : Node
{
public override bool allowAsPrime { get { return false; } }
public override bool canSelfConnect { get { return false; } }
public override int maxInConnections { get { return -1; } }
public override int maxOutConnections { get { return -1; } }
sealed public override System.Type outConnectionType { get { return typeof(FSMConnection); } }
sealed public override Alignment2x2 commentsAlignment { get { return Alignment2x2.Bottom; } }
sealed public override Alignment2x2 iconAlignment { get { return Alignment2x2.Bottom; } }
///<summary>The FSM this state belongs to</summary>
public FSM FSM { get { return (FSM)graph; } }
///----------------------------------------------------------------------------------------------
///---------------------------------------UNITY EDITOR-------------------------------------------
#if UNITY_EDITOR
private static GUIPort clickedPort { get; set; }
private static int dragDropMisses { get; set; }
class GUIPort
{
public FSMNode parent { get; private set; }
public Vector2 pos { get; private set; }
public GUIPort(FSMNode parent, Vector2 pos) {
this.parent = parent;
this.pos = pos;
}
}
//Draw the ports and connections
sealed protected override void DrawNodeConnections(Rect drawCanvas, bool fullDrawPass, Vector2 canvasMousePos, float zoomFactor) {
var e = Event.current;
//Receive connections first
if ( clickedPort != null && e.type == EventType.MouseUp && e.button == 0 ) {
if ( rect.Contains(e.mousePosition) ) {
graph.ConnectNodes(clickedPort.parent, this);
clickedPort = null;
e.Use();
} else {
dragDropMisses++;
if ( dragDropMisses == graph.allNodes.Count && clickedPort != null ) {
var source = clickedPort.parent;
var pos = Event.current.mousePosition;
var menu = new UnityEditor.GenericMenu();
clickedPort = null;
menu.AddItem(new GUIContent("Add Action State"), false, () =>
{
var newState = graph.AddNode<ActionState>(pos);
graph.ConnectNodes(source, newState);
});
//PostGUI cause of zoom factors
Editor.GraphEditorUtility.PostGUI += () => { menu.ShowAsContext(); };
Event.current.Use();
e.Use();
}
}
}
var portRectLeft = new Rect(0, 0, 20, 20);
var portRectRight = new Rect(0, 0, 20, 20);
var portRectBottom = new Rect(0, 0, 20, 20);
portRectLeft.center = new Vector2(rect.x - 11, rect.center.y);
portRectRight.center = new Vector2(rect.xMax + 11, rect.center.y);
portRectBottom.center = new Vector2(rect.center.x, rect.yMax + 11);
if ( maxOutConnections != 0 ) {
if ( fullDrawPass || drawCanvas.Overlaps(rect) ) {
UnityEditor.EditorGUIUtility.AddCursorRect(portRectLeft, UnityEditor.MouseCursor.ArrowPlus);
UnityEditor.EditorGUIUtility.AddCursorRect(portRectRight, UnityEditor.MouseCursor.ArrowPlus);
UnityEditor.EditorGUIUtility.AddCursorRect(portRectBottom, UnityEditor.MouseCursor.ArrowPlus);
GUI.color = new Color(1, 1, 1, 0.3f);
GUI.DrawTexture(portRectLeft, Editor.StyleSheet.arrowLeft);
GUI.DrawTexture(portRectRight, Editor.StyleSheet.arrowRight);
if ( maxInConnections == 0 ) {
GUI.DrawTexture(portRectBottom, Editor.StyleSheet.arrowBottom);
}
GUI.color = Color.white;
if ( Editor.GraphEditorUtility.allowClick && e.type == EventType.MouseDown && e.button == 0 ) {
if ( portRectLeft.Contains(e.mousePosition) ) {
clickedPort = new GUIPort(this, portRectLeft.center);
dragDropMisses = 0;
e.Use();
}
if ( portRectRight.Contains(e.mousePosition) ) {
clickedPort = new GUIPort(this, portRectRight.center);
dragDropMisses = 0;
e.Use();
}
if ( maxInConnections == 0 && portRectBottom.Contains(e.mousePosition) ) {
clickedPort = new GUIPort(this, portRectBottom.center);
dragDropMisses = 0;
e.Use();
}
}
}
}
//draw new linking
if ( clickedPort != null && clickedPort.parent == this ) {
UnityEditor.Handles.DrawBezier(clickedPort.pos, e.mousePosition, clickedPort.pos, e.mousePosition, new Color(0.5f, 0.5f, 0.8f, 0.8f), Editor.StyleSheet.bezierTexture, 2);
}
//draw out connections
for ( var i = 0; i < outConnections.Count; i++ ) {
var connection = outConnections[i] as FSMConnection;
var targetState = connection.targetNode as FSMNode;
if ( targetState == null ) { //In case of MissingNode type
continue;
}
var targetPos = targetState.GetConnectedInPortPosition(connection);
var sourcePos = Vector2.zero;
if ( rect.center.x <= targetPos.x ) {
sourcePos = portRectRight.center;
}
if ( rect.center.x > targetPos.x ) {
sourcePos = portRectLeft.center;
}
if ( maxInConnections == 0 && rect.center.y < targetPos.y - 50 && Mathf.Abs(rect.center.x - targetPos.x) < 200 ) {
sourcePos = portRectBottom.center;
}
var boundRect = RectUtils.GetBoundRect(sourcePos, targetPos);
if ( fullDrawPass || drawCanvas.Overlaps(boundRect) ) {
connection.DrawConnectionGUI(sourcePos, targetPos);
}
}
}
//...
Vector2 GetConnectedInPortPosition(Connection connection) {
var sourcePos = connection.sourceNode.rect.center;
var thisPos = rect.center;
var style = 0;
if ( style == 0 ) {
if ( sourcePos.x <= thisPos.x ) {
if ( sourcePos.y <= thisPos.y ) {
return new Vector2(rect.center.x - 15, rect.yMin - ( this == graph.primeNode ? 20 : 0 ));
} else {
return new Vector2(rect.center.x - 15, rect.yMax + 2);
}
}
if ( sourcePos.x > thisPos.x ) {
if ( sourcePos.y <= thisPos.y ) {
return new Vector2(rect.center.x + 15, rect.yMin - ( this == graph.primeNode ? 20 : 0 ));
} else {
return new Vector2(rect.center.x + 15, rect.yMax + 2);
}
}
}
// //Another idea
// if (style == 1){
// if (sourcePos.x <= thisPos.x){
// if (sourcePos.y >= thisPos.y){
// return new Vector2(rect.xMin - 3, rect.yMax - 10);
// } else {
// return new Vector2(rect.xMin - 3, rect.yMin + 10);
// }
// }
// if (sourcePos.x > thisPos.x){
// if (sourcePos.y >= thisPos.y){
// return new Vector2(rect.center.x, rect.yMax + 2);
// } else {
// return new Vector2(rect.center.x, rect.yMin - (this == graph.primeNode? 20 : 0 ));
// }
// }
// }
// //YET Another idea
// if (style >= 2){
// if (sourcePos.x <= thisPos.x){
// if (sourcePos.y >= thisPos.y){
// return new Vector2(rect.xMin - 3, rect.yMax - 10);
// } else {
// return new Vector2(rect.xMin - 3, rect.yMin + 10);
// }
// }
// if (sourcePos.x > thisPos.x){
// if (sourcePos.y >= thisPos.y){
// return new Vector2(rect.xMax + 3, rect.yMax - 10);
// } else {
// return new Vector2(rect.xMax + 3, rect.yMin + 10);
// }
// }
// }
return thisPos;
}
#endif
}
}