@pixi-spine/runtime-3.8/lib/core/SkeletonBinary.mjs.map

Pixi runtime for spine 3.8 models

{"version":3,"file":"SkeletonBinary.mjs","sources":["../../src/core/SkeletonBinary.ts"],"sourcesContent":["import type { Attachment, AttachmentLoader, MeshAttachment, VertexAttachment } from './attachments';\nimport { Event } from './Event';\nimport { SkeletonData } from './SkeletonData';\nimport { SlotData } from './SlotData';\nimport { BoneData } from './BoneData';\nimport { IkConstraintData } from './IkConstraintData';\nimport { TransformConstraintData } from './TransformConstraintData';\nimport { PathConstraintData, SpacingMode } from './PathConstraintData';\nimport { Skin } from './Skin';\nimport { EventData } from './EventData';\nimport {\n    Animation,\n    AttachmentTimeline,\n    ColorTimeline,\n    CurveTimeline,\n    DeformTimeline,\n    DrawOrderTimeline,\n    EventTimeline,\n    IkConstraintTimeline,\n    PathConstraintMixTimeline,\n    PathConstraintPositionTimeline,\n    PathConstraintSpacingTimeline,\n    RotateTimeline,\n    ScaleTimeline,\n    ShearTimeline,\n    Timeline,\n    TransformConstraintTimeline,\n    TranslateTimeline,\n    TwoColorTimeline,\n} from './Animation';\nimport { AttachmentType, BinaryInput, Color, PositionMode, RotateMode, TransformMode, Utils } from '@pixi-spine/base';\nimport { BLEND_MODES } from '@pixi/core';\n\n/**\n * @public\n */\nexport class SkeletonBinary {\n    static AttachmentTypeValues = [\n        0 /* AttachmentType.Region*/, 1 /* AttachmentType.BoundingBox*/, 2 /* AttachmentType.Mesh*/, 3 /* AttachmentType.LinkedMesh*/, 4 /* AttachmentType.Path*/,\n        5 /* AttachmentType.Point*/, 6 /* AttachmentType.Clipping*/,\n    ];\n    static TransformModeValues = [\n        TransformMode.Normal,\n        TransformMode.OnlyTranslation,\n        TransformMode.NoRotationOrReflection,\n        TransformMode.NoScale,\n        TransformMode.NoScaleOrReflection,\n    ];\n    static PositionModeValues = [PositionMode.Fixed, PositionMode.Percent];\n    static SpacingModeValues = [SpacingMode.Length, SpacingMode.Fixed, SpacingMode.Percent];\n    static RotateModeValues = [RotateMode.Tangent, RotateMode.Chain, RotateMode.ChainScale];\n    static BlendModeValues = [BLEND_MODES.NORMAL, BLEND_MODES.ADD, BLEND_MODES.MULTIPLY, BLEND_MODES.SCREEN];\n\n    static BONE_ROTATE = 0;\n    static BONE_TRANSLATE = 1;\n    static BONE_SCALE = 2;\n    static BONE_SHEAR = 3;\n\n    static SLOT_ATTACHMENT = 0;\n    static SLOT_COLOR = 1;\n    static SLOT_TWO_COLOR = 2;\n\n    static PATH_POSITION = 0;\n    static PATH_SPACING = 1;\n    static PATH_MIX = 2;\n\n    static CURVE_LINEAR = 0;\n    static CURVE_STEPPED = 1;\n    static CURVE_BEZIER = 2;\n\n    attachmentLoader: AttachmentLoader;\n    scale = 1;\n    private linkedMeshes = new Array<LinkedMesh>();\n\n    constructor(attachmentLoader: AttachmentLoader) {\n        this.attachmentLoader = attachmentLoader;\n    }\n\n    readSkeletonData(binary: Uint8Array): SkeletonData {\n        const scale = this.scale;\n\n        const skeletonData = new SkeletonData();\n\n        skeletonData.name = ''; // BOZO\n\n        const input = new BinaryInput(binary);\n\n        skeletonData.hash = input.readString();\n        skeletonData.version = input.readString();\n        if (skeletonData.version === '3.8.75') {\n            const error = `Unsupported skeleton data, 3.8.75 is deprecated, please export with a newer version of Spine.`;\n\n            console.error(error);\n        }\n        skeletonData.x = input.readFloat();\n        skeletonData.y = input.readFloat();\n        skeletonData.width = input.readFloat();\n        skeletonData.height = input.readFloat();\n\n        const nonessential = input.readBoolean();\n\n        if (nonessential) {\n            skeletonData.fps = input.readFloat();\n\n            skeletonData.imagesPath = input.readString();\n            skeletonData.audioPath = input.readString();\n        }\n\n        let n = 0;\n        // Strings.\n\n        n = input.readInt(true);\n        for (let i = 0; i < n; i++) input.strings.push(input.readString());\n\n        // Bones.\n        n = input.readInt(true);\n        for (let i = 0; i < n; i++) {\n            const name = input.readString();\n            const parent = i == 0 ? null : skeletonData.bones[input.readInt(true)];\n            const data = new BoneData(i, name, parent);\n\n            data.rotation = input.readFloat();\n            data.x = input.readFloat() * scale;\n            data.y = input.readFloat() * scale;\n            data.scaleX = input.readFloat();\n            data.scaleY = input.readFloat();\n            data.shearX = input.readFloat();\n            data.shearY = input.readFloat();\n            data.length = input.readFloat() * scale;\n            data.transformMode = SkeletonBinary.TransformModeValues[input.readInt(true)];\n            data.skinRequired = input.readBoolean();\n            if (nonessential) Color.rgba8888ToColor(data.color, input.readInt32());\n            skeletonData.bones.push(data);\n        }\n\n        // Slots.\n        n = input.readInt(true);\n        for (let i = 0; i < n; i++) {\n            const slotName = input.readString();\n            const boneData = skeletonData.bones[input.readInt(true)];\n            const data = new SlotData(i, slotName, boneData);\n\n            Color.rgba8888ToColor(data.color, input.readInt32());\n\n            const darkColor = input.readInt32();\n\n            if (darkColor != -1) Color.rgb888ToColor((data.darkColor = new Color()), darkColor);\n\n            data.attachmentName = input.readStringRef();\n            data.blendMode = SkeletonBinary.BlendModeValues[input.readInt(true)];\n            skeletonData.slots.push(data);\n        }\n\n        // IK constraints.\n        n = input.readInt(true);\n        for (let i = 0, nn; i < n; i++) {\n            const data = new IkConstraintData(input.readString());\n\n            data.order = input.readInt(true);\n            data.skinRequired = input.readBoolean();\n            nn = input.readInt(true);\n            for (let ii = 0; ii < nn; ii++) data.bones.push(skeletonData.bones[input.readInt(true)]);\n            data.target = skeletonData.bones[input.readInt(true)];\n            data.mix = input.readFloat();\n            data.softness = input.readFloat() * scale;\n            data.bendDirection = input.readByte();\n            data.compress = input.readBoolean();\n            data.stretch = input.readBoolean();\n            data.uniform = input.readBoolean();\n            skeletonData.ikConstraints.push(data);\n        }\n\n        // Transform constraints.\n        n = input.readInt(true);\n        for (let i = 0, nn; i < n; i++) {\n            const data = new TransformConstraintData(input.readString());\n\n            data.order = input.readInt(true);\n            data.skinRequired = input.readBoolean();\n            nn = input.readInt(true);\n            for (let ii = 0; ii < nn; ii++) data.bones.push(skeletonData.bones[input.readInt(true)]);\n            data.target = skeletonData.bones[input.readInt(true)];\n            data.local = input.readBoolean();\n            data.relative = input.readBoolean();\n            data.offsetRotation = input.readFloat();\n            data.offsetX = input.readFloat() * scale;\n            data.offsetY = input.readFloat() * scale;\n            data.offsetScaleX = input.readFloat();\n            data.offsetScaleY = input.readFloat();\n            data.offsetShearY = input.readFloat();\n            data.rotateMix = input.readFloat();\n            data.translateMix = input.readFloat();\n            data.scaleMix = input.readFloat();\n            data.shearMix = input.readFloat();\n            skeletonData.transformConstraints.push(data);\n        }\n\n        // Path constraints.\n        n = input.readInt(true);\n        for (let i = 0, nn; i < n; i++) {\n            const data = new PathConstraintData(input.readString());\n\n            data.order = input.readInt(true);\n            data.skinRequired = input.readBoolean();\n            nn = input.readInt(true);\n            for (let ii = 0; ii < nn; ii++) data.bones.push(skeletonData.bones[input.readInt(true)]);\n            data.target = skeletonData.slots[input.readInt(true)];\n            data.positionMode = SkeletonBinary.PositionModeValues[input.readInt(true)];\n            data.spacingMode = SkeletonBinary.SpacingModeValues[input.readInt(true)];\n            data.rotateMode = SkeletonBinary.RotateModeValues[input.readInt(true)];\n            data.offsetRotation = input.readFloat();\n            data.position = input.readFloat();\n            if (data.positionMode == PositionMode.Fixed) data.position *= scale;\n            data.spacing = input.readFloat();\n            if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed) data.spacing *= scale;\n            data.rotateMix = input.readFloat();\n            data.translateMix = input.readFloat();\n            skeletonData.pathConstraints.push(data);\n        }\n\n        // Default skin.\n        const defaultSkin = this.readSkin(input, skeletonData, true, nonessential);\n\n        if (defaultSkin != null) {\n            skeletonData.defaultSkin = defaultSkin;\n            skeletonData.skins.push(defaultSkin);\n        }\n\n        // Skins.\n        {\n            let i = skeletonData.skins.length;\n\n            Utils.setArraySize(skeletonData.skins, (n = i + input.readInt(true)));\n            for (; i < n; i++) skeletonData.skins[i] = this.readSkin(input, skeletonData, false, nonessential);\n        }\n\n        // Linked meshes.\n        n = this.linkedMeshes.length;\n        for (let i = 0; i < n; i++) {\n            const linkedMesh = this.linkedMeshes[i];\n            const skin = linkedMesh.skin == null ? skeletonData.defaultSkin : skeletonData.findSkin(linkedMesh.skin);\n\n            if (skin == null) throw new Error(`Skin not found: ${linkedMesh.skin}`);\n            const parent = skin.getAttachment(linkedMesh.slotIndex, linkedMesh.parent);\n\n            if (parent == null) throw new Error(`Parent mesh not found: ${linkedMesh.parent}`);\n            linkedMesh.mesh.deformAttachment = linkedMesh.inheritDeform ? (parent as VertexAttachment) : linkedMesh.mesh;\n            linkedMesh.mesh.setParentMesh(parent as MeshAttachment);\n            // linkedMesh.mesh.updateUVs();\n        }\n        this.linkedMeshes.length = 0;\n\n        // Events.\n        n = input.readInt(true);\n        for (let i = 0; i < n; i++) {\n            const data = new EventData(input.readStringRef());\n\n            data.intValue = input.readInt(false);\n            data.floatValue = input.readFloat();\n            data.stringValue = input.readString();\n            data.audioPath = input.readString();\n            if (data.audioPath != null) {\n                data.volume = input.readFloat();\n                data.balance = input.readFloat();\n            }\n            skeletonData.events.push(data);\n        }\n\n        // Animations.\n        n = input.readInt(true);\n        for (let i = 0; i < n; i++) skeletonData.animations.push(this.readAnimation(input, input.readString(), skeletonData));\n\n        return skeletonData;\n    }\n\n    private readSkin(input: BinaryInput, skeletonData: SkeletonData, defaultSkin: boolean, nonessential: boolean): Skin {\n        let skin = null;\n        let slotCount = 0;\n\n        if (defaultSkin) {\n            slotCount = input.readInt(true);\n            if (slotCount == 0) return null;\n            skin = new Skin('default');\n        } else {\n            skin = new Skin(input.readStringRef());\n            skin.bones.length = input.readInt(true);\n            for (let i = 0, n = skin.bones.length; i < n; i++) skin.bones[i] = skeletonData.bones[input.readInt(true)];\n\n            for (let i = 0, n = input.readInt(true); i < n; i++) skin.constraints.push(skeletonData.ikConstraints[input.readInt(true)]);\n            for (let i = 0, n = input.readInt(true); i < n; i++) skin.constraints.push(skeletonData.transformConstraints[input.readInt(true)]);\n            for (let i = 0, n = input.readInt(true); i < n; i++) skin.constraints.push(skeletonData.pathConstraints[input.readInt(true)]);\n\n            slotCount = input.readInt(true);\n        }\n\n        for (let i = 0; i < slotCount; i++) {\n            const slotIndex = input.readInt(true);\n\n            for (let ii = 0, nn = input.readInt(true); ii < nn; ii++) {\n                const name = input.readStringRef();\n                const attachment = this.readAttachment(input, skeletonData, skin, slotIndex, name, nonessential);\n\n                if (attachment != null) skin.setAttachment(slotIndex, name, attachment);\n            }\n        }\n\n        return skin;\n    }\n\n    private readAttachment(input: BinaryInput, skeletonData: SkeletonData, skin: Skin, slotIndex: number, attachmentName: string, nonessential: boolean): Attachment {\n        const scale = this.scale;\n\n        let name = input.readStringRef();\n\n        if (name == null) name = attachmentName;\n\n        const typeIndex = input.readByte();\n        const type = SkeletonBinary.AttachmentTypeValues[typeIndex];\n\n        switch (type) {\n            case AttachmentType.Region: {\n                let path = input.readStringRef();\n                const rotation = input.readFloat();\n                const x = input.readFloat();\n                const y = input.readFloat();\n                const scaleX = input.readFloat();\n                const scaleY = input.readFloat();\n                const width = input.readFloat();\n                const height = input.readFloat();\n                const color = input.readInt32();\n\n                if (path == null) path = name;\n                const region = this.attachmentLoader.newRegionAttachment(skin, name, path);\n\n                if (region == null) return null;\n                region.path = path;\n                region.x = x * scale;\n                region.y = y * scale;\n                region.scaleX = scaleX;\n                region.scaleY = scaleY;\n                region.rotation = rotation;\n                region.width = width * scale;\n                region.height = height * scale;\n                Color.rgba8888ToColor(region.color, color);\n                // region.updateOffset();\n\n                return region;\n            }\n            case AttachmentType.BoundingBox: {\n                const vertexCount = input.readInt(true);\n                const vertices = this.readVertices(input, vertexCount);\n                const color = nonessential ? input.readInt32() : 0;\n\n                const box = this.attachmentLoader.newBoundingBoxAttachment(skin, name);\n\n                if (box == null) return null;\n                box.worldVerticesLength = vertexCount << 1;\n                box.vertices = vertices.vertices;\n                box.bones = vertices.bones;\n                if (nonessential) Color.rgba8888ToColor(box.color, color);\n\n                return box;\n            }\n            case AttachmentType.Mesh: {\n                let path = input.readStringRef();\n                const color = input.readInt32();\n                const vertexCount = input.readInt(true);\n                const uvs = this.readFloatArray(input, vertexCount << 1, 1);\n                const triangles = this.readShortArray(input);\n                const vertices = this.readVertices(input, vertexCount);\n                const hullLength = input.readInt(true);\n                let edges = null;\n                let width = 0;\n                let height = 0;\n\n                if (nonessential) {\n                    edges = this.readShortArray(input);\n                    width = input.readFloat();\n                    height = input.readFloat();\n                }\n\n                if (path == null) path = name;\n                const mesh = this.attachmentLoader.newMeshAttachment(skin, name, path);\n\n                if (mesh == null) return null;\n                mesh.path = path;\n                Color.rgba8888ToColor(mesh.color, color);\n                mesh.bones = vertices.bones;\n                mesh.vertices = vertices.vertices;\n                mesh.worldVerticesLength = vertexCount << 1;\n                mesh.triangles = triangles;\n                mesh.regionUVs = new Float32Array(uvs);\n                // mesh.updateUVs();\n                mesh.hullLength = hullLength << 1;\n                if (nonessential) {\n                    mesh.edges = edges;\n                    mesh.width = width * scale;\n                    mesh.height = height * scale;\n                }\n\n                return mesh;\n            }\n            case AttachmentType.LinkedMesh: {\n                let path = input.readStringRef();\n                const color = input.readInt32();\n                const skinName = input.readStringRef();\n                const parent = input.readStringRef();\n                const inheritDeform = input.readBoolean();\n                let width = 0;\n                let height = 0;\n\n                if (nonessential) {\n                    width = input.readFloat();\n                    height = input.readFloat();\n                }\n\n                if (path == null) path = name;\n                const mesh = this.attachmentLoader.newMeshAttachment(skin, name, path);\n\n                if (mesh == null) return null;\n                mesh.path = path;\n                Color.rgba8888ToColor(mesh.color, color);\n                if (nonessential) {\n                    mesh.width = width * scale;\n                    mesh.height = height * scale;\n                }\n                this.linkedMeshes.push(new LinkedMesh(mesh, skinName, slotIndex, parent, inheritDeform));\n\n                return mesh;\n            }\n            case AttachmentType.Path: {\n                const closed = input.readBoolean();\n                const constantSpeed = input.readBoolean();\n                const vertexCount = input.readInt(true);\n                const vertices = this.readVertices(input, vertexCount);\n                const lengths = Utils.newArray(vertexCount / 3, 0);\n\n                for (let i = 0, n = lengths.length; i < n; i++) lengths[i] = input.readFloat() * scale;\n                const color = nonessential ? input.readInt32() : 0;\n\n                const path = this.attachmentLoader.newPathAttachment(skin, name);\n\n                if (path == null) return null;\n                path.closed = closed;\n                path.constantSpeed = constantSpeed;\n                path.worldVerticesLength = vertexCount << 1;\n                path.vertices = vertices.vertices;\n                path.bones = vertices.bones;\n                path.lengths = lengths;\n                if (nonessential) Color.rgba8888ToColor(path.color, color);\n\n                return path;\n            }\n            case AttachmentType.Point: {\n                const rotation = input.readFloat();\n                const x = input.readFloat();\n                const y = input.readFloat();\n                const color = nonessential ? input.readInt32() : 0;\n\n                const point = this.attachmentLoader.newPointAttachment(skin, name);\n\n                if (point == null) return null;\n                point.x = x * scale;\n                point.y = y * scale;\n                point.rotation = rotation;\n                if (nonessential) Color.rgba8888ToColor(point.color, color);\n\n                return point;\n            }\n            case AttachmentType.Clipping: {\n                const endSlotIndex = input.readInt(true);\n                const vertexCount = input.readInt(true);\n                const vertices = this.readVertices(input, vertexCount);\n                const color = nonessential ? input.readInt32() : 0;\n\n                const clip = this.attachmentLoader.newClippingAttachment(skin, name);\n\n                if (clip == null) return null;\n                clip.endSlot = skeletonData.slots[endSlotIndex];\n                clip.worldVerticesLength = vertexCount << 1;\n                clip.vertices = vertices.vertices;\n                clip.bones = vertices.bones;\n                if (nonessential) Color.rgba8888ToColor(clip.color, color);\n\n                return clip;\n            }\n        }\n\n        return null;\n    }\n\n    private readVertices(input: BinaryInput, vertexCount: number): Vertices {\n        const verticesLength = vertexCount << 1;\n        const vertices = new Vertices();\n        const scale = this.scale;\n\n        if (!input.readBoolean()) {\n            vertices.vertices = this.readFloatArray(input, verticesLength, scale);\n\n            return vertices;\n        }\n        const weights = new Array<number>();\n        const bonesArray = new Array<number>();\n\n        for (let i = 0; i < vertexCount; i++) {\n            const boneCount = input.readInt(true);\n\n            bonesArray.push(boneCount);\n            for (let ii = 0; ii < boneCount; ii++) {\n                bonesArray.push(input.readInt(true));\n                weights.push(input.readFloat() * scale);\n                weights.push(input.readFloat() * scale);\n                weights.push(input.readFloat());\n            }\n        }\n        vertices.vertices = Utils.toFloatArray(weights);\n        vertices.bones = bonesArray;\n\n        return vertices;\n    }\n\n    private readFloatArray(input: BinaryInput, n: number, scale: number): number[] {\n        const array = new Array<number>(n);\n\n        if (scale == 1) {\n            for (let i = 0; i < n; i++) array[i] = input.readFloat();\n        } else {\n            for (let i = 0; i < n; i++) array[i] = input.readFloat() * scale;\n        }\n\n        return array;\n    }\n\n    private readShortArray(input: BinaryInput): number[] {\n        const n = input.readInt(true);\n        const array = new Array<number>(n);\n\n        for (let i = 0; i < n; i++) array[i] = input.readShort();\n\n        return array;\n    }\n\n    private readAnimation(input: BinaryInput, name: string, skeletonData: SkeletonData): Animation {\n        const timelines = new Array<Timeline>();\n        const scale = this.scale;\n        let duration = 0;\n        const tempColor1 = new Color();\n        const tempColor2 = new Color();\n\n        // Slot timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const slotIndex = input.readInt(true);\n\n            for (let ii = 0, nn = input.readInt(true); ii < nn; ii++) {\n                const timelineType = input.readByte();\n                const frameCount = input.readInt(true);\n\n                switch (timelineType) {\n                    case SkeletonBinary.SLOT_ATTACHMENT: {\n                        const timeline = new AttachmentTimeline(frameCount);\n\n                        timeline.slotIndex = slotIndex;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) timeline.setFrame(frameIndex, input.readFloat(), input.readStringRef());\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[frameCount - 1]);\n                        break;\n                    }\n                    case SkeletonBinary.SLOT_COLOR: {\n                        const timeline = new ColorTimeline(frameCount);\n\n                        timeline.slotIndex = slotIndex;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            const time = input.readFloat();\n\n                            Color.rgba8888ToColor(tempColor1, input.readInt32());\n                            timeline.setFrame(frameIndex, time, tempColor1.r, tempColor1.g, tempColor1.b, tempColor1.a);\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * ColorTimeline.ENTRIES]);\n                        break;\n                    }\n                    case SkeletonBinary.SLOT_TWO_COLOR: {\n                        const timeline = new TwoColorTimeline(frameCount);\n\n                        timeline.slotIndex = slotIndex;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            const time = input.readFloat();\n\n                            Color.rgba8888ToColor(tempColor1, input.readInt32());\n                            Color.rgb888ToColor(tempColor2, input.readInt32());\n                            timeline.setFrame(frameIndex, time, tempColor1.r, tempColor1.g, tempColor1.b, tempColor1.a, tempColor2.r, tempColor2.g, tempColor2.b);\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * TwoColorTimeline.ENTRIES]);\n                        break;\n                    }\n                }\n            }\n        }\n\n        // Bone timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const boneIndex = input.readInt(true);\n\n            for (let ii = 0, nn = input.readInt(true); ii < nn; ii++) {\n                const timelineType = input.readByte();\n                const frameCount = input.readInt(true);\n\n                switch (timelineType) {\n                    case SkeletonBinary.BONE_ROTATE: {\n                        const timeline = new RotateTimeline(frameCount);\n\n                        timeline.boneIndex = boneIndex;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            timeline.setFrame(frameIndex, input.readFloat(), input.readFloat());\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * RotateTimeline.ENTRIES]);\n                        break;\n                    }\n                    case SkeletonBinary.BONE_TRANSLATE:\n                    case SkeletonBinary.BONE_SCALE:\n                    case SkeletonBinary.BONE_SHEAR: {\n                        let timeline;\n                        let timelineScale = 1;\n\n                        if (timelineType == SkeletonBinary.BONE_SCALE) timeline = new ScaleTimeline(frameCount);\n                        else if (timelineType == SkeletonBinary.BONE_SHEAR) timeline = new ShearTimeline(frameCount);\n                        else {\n                            timeline = new TranslateTimeline(frameCount);\n                            timelineScale = scale;\n                        }\n                        timeline.boneIndex = boneIndex;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            timeline.setFrame(frameIndex, input.readFloat(), input.readFloat() * timelineScale, input.readFloat() * timelineScale);\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * TranslateTimeline.ENTRIES]);\n                        break;\n                    }\n                }\n            }\n        }\n\n        // IK constraint timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const index = input.readInt(true);\n            const frameCount = input.readInt(true);\n            const timeline = new IkConstraintTimeline(frameCount);\n\n            timeline.ikConstraintIndex = index;\n            for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readFloat() * scale, input.readByte(), input.readBoolean(), input.readBoolean());\n                if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n            }\n            timelines.push(timeline);\n            duration = Math.max(duration, timeline.frames[(frameCount - 1) * IkConstraintTimeline.ENTRIES]);\n        }\n\n        // Transform constraint timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const index = input.readInt(true);\n            const frameCount = input.readInt(true);\n            const timeline = new TransformConstraintTimeline(frameCount);\n\n            timeline.transformConstraintIndex = index;\n            for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readFloat(), input.readFloat(), input.readFloat());\n                if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n            }\n            timelines.push(timeline);\n            duration = Math.max(duration, timeline.frames[(frameCount - 1) * TransformConstraintTimeline.ENTRIES]);\n        }\n\n        // Path constraint timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const index = input.readInt(true);\n            const data = skeletonData.pathConstraints[index];\n\n            for (let ii = 0, nn = input.readInt(true); ii < nn; ii++) {\n                const timelineType = input.readByte();\n                const frameCount = input.readInt(true);\n\n                switch (timelineType) {\n                    case SkeletonBinary.PATH_POSITION:\n                    case SkeletonBinary.PATH_SPACING: {\n                        let timeline;\n                        let timelineScale = 1;\n\n                        if (timelineType == SkeletonBinary.PATH_SPACING) {\n                            timeline = new PathConstraintSpacingTimeline(frameCount);\n                            if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed) timelineScale = scale;\n                        } else {\n                            timeline = new PathConstraintPositionTimeline(frameCount);\n                            if (data.positionMode == PositionMode.Fixed) timelineScale = scale;\n                        }\n                        timeline.pathConstraintIndex = index;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            timeline.setFrame(frameIndex, input.readFloat(), input.readFloat() * timelineScale);\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * PathConstraintPositionTimeline.ENTRIES]);\n                        break;\n                    }\n                    case SkeletonBinary.PATH_MIX: {\n                        const timeline = new PathConstraintMixTimeline(frameCount);\n\n                        timeline.pathConstraintIndex = index;\n                        for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                            timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readFloat());\n                            if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                        }\n                        timelines.push(timeline);\n                        duration = Math.max(duration, timeline.frames[(frameCount - 1) * PathConstraintMixTimeline.ENTRIES]);\n                        break;\n                    }\n                }\n            }\n        }\n\n        // Deform timelines.\n        for (let i = 0, n = input.readInt(true); i < n; i++) {\n            const skin = skeletonData.skins[input.readInt(true)];\n\n            for (let ii = 0, nn = input.readInt(true); ii < nn; ii++) {\n                const slotIndex = input.readInt(true);\n\n                for (let iii = 0, nnn = input.readInt(true); iii < nnn; iii++) {\n                    const attachment = skin.getAttachment(slotIndex, input.readStringRef()) as VertexAttachment;\n                    const weighted = attachment.bones != null;\n                    const vertices = attachment.vertices;\n                    const deformLength = weighted ? (vertices.length / 3) * 2 : vertices.length;\n\n                    const frameCount = input.readInt(true);\n                    const timeline = new DeformTimeline(frameCount);\n\n                    timeline.slotIndex = slotIndex;\n                    timeline.attachment = attachment;\n\n                    for (let frameIndex = 0; frameIndex < frameCount; frameIndex++) {\n                        const time = input.readFloat();\n                        let deform;\n                        let end = input.readInt(true);\n\n                        if (end == 0) deform = weighted ? Utils.newFloatArray(deformLength) : vertices;\n                        else {\n                            deform = Utils.newFloatArray(deformLength);\n                            const start = input.readInt(true);\n\n                            end += start;\n                            if (scale == 1) {\n                                for (let v = start; v < end; v++) deform[v] = input.readFloat();\n                            } else {\n                                for (let v = start; v < end; v++) deform[v] = input.readFloat() * scale;\n                            }\n                            if (!weighted) {\n                                for (let v = 0, vn = deform.length; v < vn; v++) deform[v] += vertices[v];\n                            }\n                        }\n\n                        timeline.setFrame(frameIndex, time, deform);\n                        if (frameIndex < frameCount - 1) this.readCurve(input, frameIndex, timeline);\n                    }\n                    timelines.push(timeline);\n                    duration = Math.max(duration, timeline.frames[frameCount - 1]);\n                }\n            }\n        }\n\n        // Draw order timeline.\n        const drawOrderCount = input.readInt(true);\n\n        if (drawOrderCount > 0) {\n            const timeline = new DrawOrderTimeline(drawOrderCount);\n            const slotCount = skeletonData.slots.length;\n\n            for (let i = 0; i < drawOrderCount; i++) {\n                const time = input.readFloat();\n                const offsetCount = input.readInt(true);\n                const drawOrder = Utils.newArray(slotCount, 0);\n\n                for (let ii = slotCount - 1; ii >= 0; ii--) drawOrder[ii] = -1;\n                const unchanged = Utils.newArray(slotCount - offsetCount, 0);\n                let originalIndex = 0;\n                let unchangedIndex = 0;\n\n                for (let ii = 0; ii < offsetCount; ii++) {\n                    const slotIndex = input.readInt(true);\n                    // Collect unchanged items.\n\n                    while (originalIndex != slotIndex) unchanged[unchangedIndex++] = originalIndex++;\n                    // Set changed items.\n                    drawOrder[originalIndex + input.readInt(true)] = originalIndex++;\n                }\n                // Collect remaining unchanged items.\n                while (originalIndex < slotCount) unchanged[unchangedIndex++] = originalIndex++;\n                // Fill in unchanged items.\n                for (let ii = slotCount - 1; ii >= 0; ii--) if (drawOrder[ii] == -1) drawOrder[ii] = unchanged[--unchangedIndex];\n                timeline.setFrame(i, time, drawOrder);\n            }\n            timelines.push(timeline);\n            duration = Math.max(duration, timeline.frames[drawOrderCount - 1]);\n        }\n\n        // Event timeline.\n        const eventCount = input.readInt(true);\n\n        if (eventCount > 0) {\n            const timeline = new EventTimeline(eventCount);\n\n            for (let i = 0; i < eventCount; i++) {\n                const time = input.readFloat();\n                const eventData = skeletonData.events[input.readInt(true)];\n                const event = new Event(time, eventData);\n\n                event.intValue = input.readInt(false);\n                event.floatValue = input.readFloat();\n                event.stringValue = input.readBoolean() ? input.readString() : eventData.stringValue;\n                if (event.data.audioPath != null) {\n                    event.volume = input.readFloat();\n                    event.balance = input.readFloat();\n                }\n                timeline.setFrame(i, event);\n            }\n            timelines.push(timeline);\n            duration = Math.max(duration, timeline.frames[eventCount - 1]);\n        }\n\n        return new Animation(name, timelines, duration);\n    }\n\n    private readCurve(input: BinaryInput, frameIndex: number, timeline: CurveTimeline) {\n        switch (input.readByte()) {\n            case SkeletonBinary.CURVE_STEPPED:\n                timeline.setStepped(frameIndex);\n                break;\n            case SkeletonBinary.CURVE_BEZIER:\n                this.setCurve(timeline, frameIndex, input.readFloat(), input.readFloat(), input.readFloat(), input.readFloat());\n                break;\n        }\n    }\n\n    setCurve(timeline: CurveTimeline, frameIndex: number, cx1: number, cy1: number, cx2: number, cy2: number) {\n        timeline.setCurve(frameIndex, cx1, cy1, cx2, cy2);\n    }\n}\n\nclass LinkedMesh {\n    parent: string;\n    skin: string;\n    slotIndex: number;\n    mesh: MeshAttachment;\n    inheritDeform: boolean;\n\n    constructor(mesh: MeshAttachment, skin: string, slotIndex: number, parent: string, inheritDeform: boolean) {\n        this.mesh = mesh;\n        this.skin = skin;\n        this.slotIndex = slotIndex;\n        this.parent = parent;\n        this.inheritDeform = inheritDeform;\n    }\n}\n\nclass Vertices {\n    constructor(public bones: Array<number> = null, public vertices: Array<number> | Float32Array = null) 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