From be761e2792b4a1f98201c2c9b9820937ec8dc68e Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Wed, 5 Nov 2025 12:40:20 +0100
Subject: [PATCH] Add set empty animation.

---
 spine-ts/spine-construct3/src/aces.json           | 15 +++++++++++++++
 .../spine-construct3/src/c3runtime/actions.ts     |  4 ++++
 .../spine-construct3/src/c3runtime/instance.ts    |  4 ++++
 spine-ts/spine-construct3/src/lang/en-US.json     | 15 +++++++++++++++
 spine-ts/spine-construct3/src/lang/zh-CN.json     | 15 +++++++++++++++
 5 files changed, 53 insertions(+)

diff --git a/spine-ts/spine-construct3/src/aces.json b/spine-ts/spine-construct3/src/aces.json
index e089810eb..305ba03a4 100644
--- a/spine-ts/spine-construct3/src/aces.json
+++ b/spine-ts/spine-construct3/src/aces.json
@@ -120,6 +120,21 @@
         "id": "stop",
         "scriptName": "Stop",
         "highlight": false
+      },
+      {
+        "id": "set-empty-animation",
+        "scriptName": "SetEmptyAnimation",
+        "highlight": false,
+        "params": [
+          {
+            "id": "track",
+            "type": "number"
+          },
+          {
+            "id": "mix-duration",
+            "type": "number"
+          }
+        ]
       }
     ],
     "expressions": [
diff --git a/spine-ts/spine-construct3/src/c3runtime/actions.ts b/spine-ts/spine-construct3/src/c3runtime/actions.ts
index 651297c1f..0a36b66ac 100644
--- a/spine-ts/spine-construct3/src/c3runtime/actions.ts
+++ b/spine-ts/spine-construct3/src/c3runtime/actions.ts
@@ -31,6 +31,10 @@ C3.Plugins.EsotericSoftware_SpineConstruct3.Acts =
 
 	Stop (this: SDKInstanceClass) {
 		this.stop();
+	},
+
+	SetEmptyAnimation (this: SDKInstanceClass, track: number, mixDuration: number) {
+		this.setEmptyAnimation(track, mixDuration);
 	}
 
 };
diff --git a/spine-ts/spine-construct3/src/c3runtime/instance.ts b/spine-ts/spine-construct3/src/c3runtime/instance.ts
index 578045fe4..3e2dc8ade 100644
--- a/spine-ts/spine-construct3/src/c3runtime/instance.ts
+++ b/spine-ts/spine-construct3/src/c3runtime/instance.ts
@@ -175,6 +175,10 @@ class SpineC3Instance extends globalThis.ISDKWorldInstanceBase {
 		this.isPlaying = false;
 	}
 
+	public setEmptyAnimation (track: number, mixDuration = 0) {
+		this.state?.setEmptyAnimation(track, mixDuration);
+	}
+
 	private _setSkin () {
 		const { skeleton } = this;
 		if (!skeleton) return;
diff --git a/spine-ts/spine-construct3/src/lang/en-US.json b/spine-ts/spine-construct3/src/lang/en-US.json
index ff0098367..4d96de10f 100644
--- a/spine-ts/spine-construct3/src/lang/en-US.json
+++ b/spine-ts/spine-construct3/src/lang/en-US.json
@@ -194,6 +194,21 @@
             "list-name": "Stop",
             "display-text": "Stop animation",
             "description": "Pause or stop the animation"
+          },
+          "set-empty-animation": {
+            "list-name": "Set empty animation",
+            "display-text": "Set empty animation on track {0} with mix duration {1}",
+            "description": "Set an empty animation on a specific track",
+            "params": {
+              "track": {
+                "name": "Track",
+                "desc": "Track index"
+              },
+              "mix-duration": {
+                "name": "Mix duration",
+                "desc": "Duration in seconds to mix from the current animation to empty"
+              }
+            }
           }
         },
         "expressions": {
diff --git a/spine-ts/spine-construct3/src/lang/zh-CN.json b/spine-ts/spine-construct3/src/lang/zh-CN.json
index 3061bc513..6738a4f1d 100644
--- a/spine-ts/spine-construct3/src/lang/zh-CN.json
+++ b/spine-ts/spine-construct3/src/lang/zh-CN.json
@@ -196,6 +196,21 @@
           "display-text": "停止动画",
           "description": "暂停或停止动画"
         },
+        "set-empty-animation": {
+          "list-name": "设置空动画",
+          "display-text": "在轨道{0}上设置空动画，混合时长{1}",
+          "description": "在特定轨道上设置空动画",
+          "params": {
+            "track": {
+              "name": "轨道",
+              "desc": "轨道索引"
+            },
+            "mix-duration": {
+              "name": "混合时长",
+              "desc": "从当前动画混合到空动画的持续时间（秒）"
+            }
+          }
+        },
         "expressions": {
           "double": {
             "description": "将数字翻倍。",