From cc5458b51e14829daa282993c04452e2de3432bd Mon Sep 17 00:00:00 2001
From: erheine <erheine@nps.edu>
Date: Tue, 24 Mar 2020 10:26:13 -0700
Subject: [PATCH] Added a class that fires game events based on its current
state.
---
State Manager.meta | 10 +++
State Manager/Shared.StateManager.asmdef | 15 ++++
State Manager/Shared.StateManager.asmdef.meta | 7 ++
State Manager/State.cs | 32 ++++++++
State Manager/State.cs.meta | 11 +++
State Manager/StateManager.cs | 76 +++++++++++++++++++
State Manager/StateManager.cs.meta | 11 +++
package.json | 2 +-
8 files changed, 163 insertions(+), 1 deletion(-)
create mode 100644 State Manager.meta
create mode 100644 State Manager/Shared.StateManager.asmdef
create mode 100644 State Manager/Shared.StateManager.asmdef.meta
create mode 100644 State Manager/State.cs
create mode 100644 State Manager/State.cs.meta
create mode 100644 State Manager/StateManager.cs
create mode 100644 State Manager/StateManager.cs.meta
diff --git a/State Manager.meta b/State Manager.meta
new file mode 100644
index 0000000..fe7ec35
--- /dev/null
+++ b/State Manager.meta
@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: a51ef5da8031fd141a078805d54ccb66
+folderAsset: yes
+timeCreated: 1510599145
+licenseType: Pro
+DefaultImporter:
+ externalObjects: {}
+ userData:
+ assetBundleName:
+ assetBundleVariant:
diff --git a/State Manager/Shared.StateManager.asmdef b/State Manager/Shared.StateManager.asmdef
new file mode 100644
index 0000000..44340e4
--- /dev/null
+++ b/State Manager/Shared.StateManager.asmdef
@@ -0,0 +1,15 @@
+{
+ "name": "Shared.StateManager",
+ "references": [
+ "GUID:6735fe1fe1dbd994a96eb9d888b81400"
+ ],
+ "includePlatforms": [],
+ "excludePlatforms": [],
+ "allowUnsafeCode": false,
+ "overrideReferences": false,
+ "precompiledReferences": [],
+ "autoReferenced": true,
+ "defineConstraints": [],
+ "versionDefines": [],
+ "noEngineReferences": false
+}
\ No newline at end of file
diff --git a/State Manager/Shared.StateManager.asmdef.meta b/State Manager/Shared.StateManager.asmdef.meta
new file mode 100644
index 0000000..57cd66d
--- /dev/null
+++ b/State Manager/Shared.StateManager.asmdef.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: bf6ca905532d08647bc1c0964551b0f5
+AssemblyDefinitionImporter:
+ externalObjects: {}
+ userData:
+ assetBundleName:
+ assetBundleVariant:
diff --git a/State Manager/State.cs b/State Manager/State.cs
new file mode 100644
index 0000000..8278e89
--- /dev/null
+++ b/State Manager/State.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using UnityEngine;
+using Shared.ScriptableVariables;
+
+namespace Shared.StateManager {
+ // A scriptable object that represents one state a StateManager can be in
+ [CreateAssetMenu(menuName = "Scriptable Objects/State")]
+ public class State : ScriptableObject {
+ [Tooltip("The GameEvent that will switch a StateManager into this State")]
+ public GameEvent enterEvent;
+
+ [Tooltip("The list of GameEvents to fire when this State gets activated")]
+ public List<GameEvent> inEvents = new List<GameEvent>();
+
+ [Tooltip("The list of GameEvents to fire when this State gets deactivated")]
+ public List<GameEvent> outEvents = new List<GameEvent>();
+
+ // ------------------------------------------------------------------------
+ public void EnterState() {
+ foreach (var inEvent in inEvents) {
+ inEvent?.Raise();
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ public void ExitState() {
+ foreach (var outEvent in outEvents) {
+ outEvent?.Raise();
+ }
+ }
+ }
+}
diff --git a/State Manager/State.cs.meta b/State Manager/State.cs.meta
new file mode 100644
index 0000000..0b5da36
--- /dev/null
+++ b/State Manager/State.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f4ee41ed730737741b3c93effc4fb5a9
+MonoImporter:
+ externalObjects: {}
+ serializedVersion: 2
+ defaultReferences: []
+ executionOrder: 0
+ icon: {instanceID: 0}
+ userData:
+ assetBundleName:
+ assetBundleVariant:
diff --git a/State Manager/StateManager.cs b/State Manager/StateManager.cs
new file mode 100644
index 0000000..9a0575c
--- /dev/null
+++ b/State Manager/StateManager.cs
@@ -0,0 +1,76 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Shared.ScriptableVariables;
+
+namespace Shared.StateManager {
+ // Manages what State is currently active in a given scene
+ public class StateManager : MonoBehaviour {
+ [Tooltip("The state we should start out with when this manager is enabled")]
+ public State startingState;
+
+ [Tooltip("The list of possible states this component is managing")]
+ public List<State> possibleStates = new List<State>();
+
+ [Tooltip("The currently active state for this manager")]
+ [SerializeField]
+ private State currentState;
+
+ // A list of delegates the possible states are listening to for entering so
+ // we can stop listening on disable
+ private Dictionary<State, GameEvent.GameEventRaised> stateListeners = new Dictionary<State, GameEvent.GameEventRaised>();
+
+ // ------------------------------------------------------------------------
+ void OnEnable() {
+ StartCoroutine(ActivateStartingState());
+
+ // Start listening to the events that will change our state
+ foreach (var state in possibleStates) {
+ GameEvent.GameEventRaised listener = delegate() { ActivateState(state); };
+ state.enterEvent.OnRaised += listener;
+ stateListeners.Add(state, listener);
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ void OnDisable() {
+ if (currentState != null) {
+ DeactivateState(currentState);
+ }
+
+ // Stop listening to the events that will change our state
+ foreach (var state in possibleStates) {
+ state.enterEvent.OnRaised -= stateListeners[state];
+ }
+ stateListeners.Clear();
+ }
+
+ // ------------------------------------------------------------------------
+ private IEnumerator ActivateStartingState() {
+ // Wait one frame to make sure all starting listeners have a chance to setup
+ yield return null;
+ ActivateState(startingState);
+ }
+
+ // ------------------------------------------------------------------------
+ private void ActivateState(State state) {
+ // Can't transition into a state we're already in
+ if (currentState != state) {
+ if (currentState != null) {
+ DeactivateState(currentState);
+ }
+
+ currentState = state;
+ state.EnterState();
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ private void DeactivateState(State state) {
+ if (state == currentState) {
+ currentState = null;
+ }
+ state.ExitState();
+ }
+ }
+}
diff --git a/State Manager/StateManager.cs.meta b/State Manager/StateManager.cs.meta
new file mode 100644
index 0000000..1d78084
--- /dev/null
+++ b/State Manager/StateManager.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a55df0166f51f7941954952e3c47dfa0
+MonoImporter:
+ externalObjects: {}
+ serializedVersion: 2
+ defaultReferences: []
+ executionOrder: 0
+ icon: {instanceID: 0}
+ userData:
+ assetBundleName:
+ assetBundleVariant:
diff --git a/package.json b/package.json
index 8f386ad..75c1eb8 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
"name": "com.futuretech.shared",
"displayName": "FutureTech Shared",
"description": "Contains shared items such as the Scriptable Variables.",
- "version": "0.1.23",
+ "version": "0.1.24",
"unity": "2019.2",
"license": "MIT",
"repository": {
--
GitLab