59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
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package customblock
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// Method is the method to use when rendering a material for a custom block.
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type Method struct {
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renderMethod
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}
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// OpaqueRenderMethod returns the opaque rendering method for a material. It does not render an alpha layer, meaning it
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// does not support transparent or translucent textures, only textures that are fully opaque.
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func OpaqueRenderMethod() Method {
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return Method{0}
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}
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// AlphaTestRenderMethod returns the alpha_test rendering method for a material. It does not allow for translucent
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// textures, only textures that are fully opaque or fully transparent, used for blocks such as regular glass. It also
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// disables ambient occlusion by default.
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func AlphaTestRenderMethod() Method {
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return Method{1}
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}
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// BlendRenderMethod returns the blend rendering method for a material. It allows for transparent and translucent
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// textures, used for blocks such as stained-glass. It also disables ambient occlusion by default.
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func BlendRenderMethod() Method {
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return Method{2}
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}
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// DoubleSidedRenderMethod returns the double_sided rendering method for a material. It is used to completely disable
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// backface culling, which would be used for flat faces visible from both sides.
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func DoubleSidedRenderMethod() Method {
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return Method{3}
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}
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type renderMethod uint8
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// Uint8 returns the render method as a uint8.
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func (m renderMethod) Uint8() uint8 {
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return uint8(m)
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}
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// String ...
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func (m renderMethod) String() string {
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switch m {
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case 0:
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return "opaque"
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case 1:
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return "alpha_test"
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case 2:
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return "blend"
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case 3:
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return "double_sided"
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}
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panic("should never happen")
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}
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// AmbientOcclusion returns if ambient occlusion should be enabled by default for a material using this rendering method.
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func (m renderMethod) AmbientOcclusion() bool {
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return m != 1 && m != 2
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}
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