spine-runtimes/spine-ios/Example/Spine iOS Example/AnimationStateEvents.swift

/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated April 5, 2025. Replaces all prior versions.
 *
 * Copyright (c) 2013-2025, Esoteric Software LLC
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import SpineSwift
import SpineiOS
import SwiftUI

struct AnimationStateEvents: View {

    @StateObject
    var controller = SpineController(
        onInitialized: { controller in
            controller.skeleton.scaleX = 0.5
            controller.skeleton.scaleY = 0.5
            controller.skeleton.findSlot("gun")?.appliedPose.color.set(1, 0, 0, 1)
            controller.animationStateData.defaultMix = 0.2
            let walk = controller.animationState.setAnimation(0, "walk", true)
            walk.setListener { type, entry, event in
                print("Walk animation event \(type)")
            }
            controller.animationState.addAnimation(0, "jump", false, 2)
            let run = controller.animationState.addAnimation(0, "run", true, 0)
            run.setListener { type, entry, event in
                print("Run animation event \(type)")
            }
            controller.animationState.setListener { type, entry, event in
                if type == .event, let event {
                    print(
                        "User event: { name: \(event.data.name ?? "--"), intValue: \(event.intValue), floatValue: \(event.floatValue), stringValue: \(event.stringValue ?? "--") }"
                    )
                }
            }
            let current = controller.animationState.getCurrent(0)?.animation.name ?? "--"
            print("Current: \(current)")
        }
    )

    var body: some View {
        VStack {
            Text("See output in console!")
            SpineView(
                from: .bundle(atlasFileName: "spineboy-pma.atlas", skeletonFileName: "spineboy-pro.skel"),
                controller: controller
            )
        }
        .navigationTitle("Animation State Listener")
        .navigationBarTitleDisplayMode(.inline)
    }
}

#Preview {
    AnimationStateEvents()
}