114 lines
3.4 KiB
Go
114 lines
3.4 KiB
Go
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package skin_renderer
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import (
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"image"
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"image/color"
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"image/draw"
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)
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// Minecraft 提供 Minecraft 皮肤渲染的入口方法
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// 与 blessing/texture-renderer 的 Minecraft 类保持兼容
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type Minecraft struct{}
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// NewMinecraft 创建 Minecraft 渲染器实例
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func NewMinecraft() *Minecraft {
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return &Minecraft{}
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}
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// RenderSkin 渲染完整皮肤预览（正面+背面）
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// ratio: 缩放比例，默认 7.0
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// isAlex: 是否为 Alex 模型（细手臂）
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func (m *Minecraft) RenderSkin(skinData []byte, ratio float64, isAlex bool) (image.Image, error) {
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vp := 15 // vertical padding
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hp := 30 // horizontal padding
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ip := 15 // internal padding
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// 渲染正面（-45度）
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frontRenderer := NewSkinRenderer(ratio, false, -45, -25)
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front, err := frontRenderer.Render(skinData, isAlex)
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if err != nil {
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return nil, err
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}
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// 渲染背面（135度）
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backRenderer := NewSkinRenderer(ratio, false, 135, -25)
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back, err := backRenderer.Render(skinData, isAlex)
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if err != nil {
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return nil, err
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}
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width := front.Bounds().Dx()
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height := front.Bounds().Dy()
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// 创建画布
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canvas := createEmptyCanvas((hp+width+ip)*2, vp*2+height)
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// 绘制背面（左侧）
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draw.Draw(canvas, image.Rect(hp, vp, hp+width, vp+height), back, back.Bounds().Min, draw.Over)
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// 绘制正面（右侧）
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draw.Draw(canvas, image.Rect(hp+width+ip*2, vp, hp+width*2+ip*2, vp+height), front, front.Bounds().Min, draw.Over)
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return canvas, nil
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}
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// RenderCape 渲染披风
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// height: 输出高度
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func (m *Minecraft) RenderCape(capeData []byte, height int) (image.Image, error) {
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vp := 20 // vertical padding
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hp := 40 // horizontal padding
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renderer := NewCapeRenderer()
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cape, err := renderer.Render(capeData, height)
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if err != nil {
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return nil, err
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}
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width := cape.Bounds().Dx()
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capeHeight := cape.Bounds().Dy()
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canvas := createEmptyCanvas(hp*2+width, vp*2+capeHeight)
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draw.Draw(canvas, image.Rect(hp, vp, hp+width, vp+capeHeight), cape, cape.Bounds().Min, draw.Over)
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return canvas, nil
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}
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// Render2DAvatar 渲染 2D 头像
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// ratio: 缩放比例，默认 15.0
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func (m *Minecraft) Render2DAvatar(skinData []byte, ratio float64) (image.Image, error) {
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renderer := NewSkinRendererFull(ratio, true, 0, 0, 0, 0, 0, 0, 0, true)
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return renderer.Render(skinData, false)
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}
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// Render3DAvatar 渲染 3D 头像
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// ratio: 缩放比例，默认 15.0
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func (m *Minecraft) Render3DAvatar(skinData []byte, ratio float64) (image.Image, error) {
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renderer := NewSkinRenderer(ratio, true, 45, -25)
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return renderer.Render(skinData, false)
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}
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// RenderSkinWithAngle 渲染指定角度的皮肤
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func (m *Minecraft) RenderSkinWithAngle(skinData []byte, ratio float64, isAlex bool, hRotation, vRotation float64) (image.Image, error) {
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renderer := NewSkinRenderer(ratio, false, hRotation, vRotation)
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return renderer.Render(skinData, isAlex)
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}
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// RenderHeadWithAngle 渲染指定角度的头像
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func (m *Minecraft) RenderHeadWithAngle(skinData []byte, ratio float64, hRotation, vRotation float64) (image.Image, error) {
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renderer := NewSkinRenderer(ratio, true, hRotation, vRotation)
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return renderer.Render(skinData, false)
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}
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// createEmptyCanvas 创建透明画布
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func createEmptyCanvas(width, height int) *image.RGBA {
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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// 填充透明背景
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transparent := color.RGBA{0, 0, 0, 0}
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for y := 0; y < height; y++ {
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for x := 0; x < width; x++ {
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img.SetRGBA(x, y, transparent)
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}
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}
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return img
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}
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