import { AnimationState, Physics, Skeleton, SkeletonClipping, Skin } from "@esotericsoftware/spine-core";
export class AABBRectangleBoundsProvider {
    x;
    y;
    width;
    height;
    constructor(x, y, width, height) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
    }
    calculateBounds() {
        return { x: this.x, y: this.y, width: this.width, height: this.height };
    }
}
export class SetupPoseBoundsProvider {
    clipping;
    /**
     * @param clipping If true, clipping attachments are used to compute the bounds. False, by default.
     */
    constructor(clipping = false) {
        this.clipping = clipping;
    }
    calculateBounds(gameObject) {
        if (!gameObject.skeleton)
            return { x: 0, y: 0, width: 0, height: 0 };
        // Make a copy of animation state and skeleton as this might be called while
        // the skeleton in the GameObject has already been heavily modified. We can not
        // reconstruct that state.
        const skeleton = new Skeleton(gameObject.skeleton.data);
        skeleton.setupPose();
        skeleton.updateWorldTransform(Physics.update);
        const bounds = skeleton.getBoundsRect(this.clipping ? new SkeletonClipping() : undefined);
        return bounds.width === Number.NEGATIVE_INFINITY
            ? { x: 0, y: 0, width: 0, height: 0 }
            : bounds;
    }
}
export class SkinsAndAnimationBoundsProvider {
    animation;
    skins;
    timeStep;
    clipping;
    /**
     * @param animation The animation to use for calculating the bounds. If null, the setup pose is used.
     * @param skins The skins to use for calculating the bounds. If empty, the default skin is used.
     * @param timeStep The time step to use for calculating the bounds. A smaller time step means more precision, but slower calculation.
     * @param clipping If true, clipping attachments are used to compute the bounds. False, by default.
     */
    constructor(animation, skins = [], timeStep = 0.05, clipping = false) {
        this.animation = animation;
        this.skins = skins;
        this.timeStep = timeStep;
        this.clipping = clipping;
    }
    calculateBounds(gameObject) {
        if (!gameObject.skeleton || !gameObject.state)
            return { x: 0, y: 0, width: 0, height: 0 };
        // Make a copy of animation state and skeleton as this might be called while
        // the skeleton in the GameObject has already been heavily modified. We can not
        // reconstruct that state.
        const animationState = new AnimationState(gameObject.state.data);
        const skeleton = new Skeleton(gameObject.skeleton.data);
        const clipper = this.clipping ? new SkeletonClipping() : undefined;
        const data = skeleton.data;
        if (this.skins.length > 0) {
            const customSkin = new Skin("custom-skin");
            for (const skinName of this.skins) {
                const skin = data.findSkin(skinName);
                if (skin == null)
                    continue;
                customSkin.addSkin(skin);
            }
            skeleton.setSkin(customSkin);
        }
        skeleton.setupPose();
        const animation = this.animation != null ? data.findAnimation(this.animation) : null;
        if (animation == null) {
            skeleton.updateWorldTransform(Physics.update);
            const bounds = skeleton.getBoundsRect(clipper);
            return bounds.width === Number.NEGATIVE_INFINITY
                ? { x: 0, y: 0, width: 0, height: 0 }
                : bounds;
        }
        else {
            let minX = Number.POSITIVE_INFINITY, minY = Number.POSITIVE_INFINITY, maxX = Number.NEGATIVE_INFINITY, maxY = Number.NEGATIVE_INFINITY;
            animationState.clearTracks();
            animationState.setAnimation(0, animation, false);
            const steps = Math.max(animation.duration / this.timeStep, 1.0);
            for (let i = 0; i < steps; i++) {
                const delta = i > 0 ? this.timeStep : 0;
                animationState.update(delta);
                animationState.apply(skeleton);
                skeleton.update(delta);
                skeleton.updateWorldTransform(Physics.update);
                const bounds = skeleton.getBoundsRect(clipper);
                minX = Math.min(minX, bounds.x);
                minY = Math.min(minY, bounds.y);
                maxX = Math.max(maxX, bounds.x + bounds.width);
                maxY = Math.max(maxY, bounds.y + bounds.height);
            }
            const bounds = {
                x: minX,
                y: minY,
                width: maxX - minX,
                height: maxY - minY,
            };
            return bounds.width === Number.NEGATIVE_INFINITY
                ? { x: 0, y: 0, width: 0, height: 0 }
                : bounds;
        }
    }
}
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{ AnimationState, Physics, Skeleton, SkeletonClipping, Skin } from \"@esotericsoftware/spine-core\";\n\ninterface Rectangle {\n\tx: number;\n\ty: number;\n\twidth: number;\n\theight: number;\n}\n\ninterface GameObject {\n\tskeleton?: Skeleton,\n\tstate?: AnimationState,\n}\n\nexport interface SpineBoundsProvider {\n\t/** Returns the bounding box for the skeleton, in skeleton space. */\n\tcalculateBounds (gameObject: GameObject): Rectangle;\n}\n\nexport class AABBRectangleBoundsProvider implements SpineBoundsProvider {\n\tconstructor (\n\t\tprivate x: number,\n\t\tprivate y: number,\n\t\tprivate width: number,\n\t\tprivate height: number,\n\t) { }\n\tcalculateBounds () {\n\t\treturn { x: this.x, y: this.y, width: this.width, height: this.height };\n\t}\n}\n\nexport class SetupPoseBoundsProvider implements SpineBoundsProvider {\n\t/**\n\t * @param clipping If true, clipping attachments are used to compute the bounds. False, by default.\n\t */\n\tconstructor (private clipping = false) { }\n\n\tcalculateBounds (gameObject: GameObject) {\n\t\tif (!gameObject.skeleton) return { x: 0, y: 0, width: 0, height: 0 };\n\t\t// Make a copy of animation state and skeleton as this might be called while\n\t\t// the skeleton in the GameObject has already been heavily modified. We can not\n\t\t// reconstruct that state.\n\t\tconst skeleton = new Skeleton(gameObject.skeleton.data);\n\t\tskeleton.setupPose();\n\t\tskeleton.updateWorldTransform(Physics.update);\n\t\tconst bounds = skeleton.getBoundsRect(this.clipping ? new SkeletonClipping() : undefined);\n\t\treturn bounds.width === Number.NEGATIVE_INFINITY\n\t\t\t? { x: 0, y: 0, width: 0, height: 0 }\n\t\t\t: bounds;\n\t}\n}\n\nexport class SkinsAndAnimationBoundsProvider implements SpineBoundsProvider {\n\t/**\n\t * @param animation The animation to use for calculating the bounds. If null, the setup pose is used.\n\t * @param skins The skins to use for calculating the bounds. If empty, the default skin is used.\n\t * @param timeStep The time step to use for calculating the bounds. A smaller time step means more precision, but slower calculation.\n\t * @param clipping If true, clipping attachments are used to compute the bounds. False, by default.\n\t */\n\tconstructor (\n\t\tprivate animation?: string,\n\t\tprivate skins: string[] = [],\n\t\tprivate timeStep: number = 0.05,\n\t\tprivate clipping = false,\n\t) { }\n\n\tcalculateBounds (gameObject: GameObject): {\n\t\tx: number;\n\t\ty: number;\n\t\twidth: number;\n\t\theight: number;\n\t} {\n\t\tif (!gameObject.skeleton || !gameObject.state)\n\t\t\treturn { x: 0, y: 0, width: 0, height: 0 };\n\t\t// Make a copy of animation state and skeleton as this might be called while\n\t\t// the skeleton in the GameObject has already been heavily modified. We can not\n\t\t// reconstruct that state.\n\t\tconst animationState = new AnimationState(gameObject.state.data);\n\t\tconst skeleton = new Skeleton(gameObject.skeleton.data);\n\t\tconst clipper = this.clipping ? new SkeletonClipping() : undefined;\n\t\tconst data = skeleton.data;\n\t\tif (this.skins.length > 0) {\n\t\t\tconst customSkin = new Skin(\"custom-skin\");\n\t\t\tfor (const skinName of this.skins) {\n\t\t\t\tconst skin = data.findSkin(skinName);\n\t\t\t\tif (skin == null) continue;\n\t\t\t\tcustomSkin.addSkin(skin);\n\t\t\t}\n\t\t\tskeleton.setSkin(customSkin);\n\t\t}\n\t\tskeleton.setupPose();\n\n\t\tconst animation = this.animation != null ? data.findAnimation(this.animation!) : null;\n\n\t\tif (animation == null) {\n\t\t\tskeleton.updateWorldTransform(Physics.update);\n\t\t\tconst bounds = skeleton.getBoundsRect(clipper);\n\t\t\treturn bounds.width === Number.NEGATIVE_INFINITY\n\t\t\t\t? { x: 0, y: 0, width: 0, height: 0 }\n\t\t\t\t: bounds;\n\t\t} else {\n\t\t\tlet minX = Number.POSITIVE_INFINITY,\n\t\t\t\tminY = Number.POSITIVE_INFINITY,\n\t\t\t\tmaxX = Number.NEGATIVE_INFINITY,\n\t\t\t\tmaxY = Number.NEGATIVE_INFINITY;\n\t\t\tanimationState.clearTracks();\n\t\t\tanimationState.setAnimation(0, animation, false);\n\t\t\tconst steps = Math.max(animation.duration / this.timeStep, 1.0);\n\t\t\tfor (let i = 0; i < steps; i++) {\n\t\t\t\tconst delta = i > 0 ? this.timeStep : 0;\n\t\t\t\tanimationState.update(delta);\n\t\t\t\tanimationState.apply(skeleton);\n\t\t\t\tskeleton.update(delta);\n\t\t\t\tskeleton.updateWorldTransform(Physics.update);\n\n\t\t\t\tconst bounds = skeleton.getBoundsRect(clipper);\n\t\t\t\tminX = Math.min(minX, bounds.x);\n\t\t\t\tminY = Math.min(minY, bounds.y);\n\t\t\t\tmaxX = Math.max(maxX, bounds.x + bounds.width);\n\t\t\t\tmaxY = Math.max(maxY, bounds.y + bounds.height);\n\t\t\t}\n\t\t\tconst bounds = {\n\t\t\t\tx: minX,\n\t\t\t\ty: minY,\n\t\t\t\twidth: maxX - minX,\n\t\t\t\theight: maxY - minY,\n\t\t\t};\n\t\t\treturn bounds.width === Number.NEGATIVE_INFINITY\n\t\t\t\t? { x: 0, y: 0, width: 0, height: 0 }\n\t\t\t\t: bounds;\n\t\t}\n\t}\n}"]}