69 lines
2.3 KiB
Go
69 lines
2.3 KiB
Go
package d2enum
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// DrawEffect is a draw effect
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type DrawEffect int
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// Names courtesy of Necrolis
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const (
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// DrawEffectPctTransparency25 is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA 25 % transparency (colormaps 49-304 in a .pl2)
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DrawEffectPctTransparency25 DrawEffect = iota
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// DrawEffectPctTransparency50 is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA 50 % transparency (colormaps 305-560 in a .pl2)
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DrawEffectPctTransparency50
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// DrawEffectPctTransparency75 is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA 75 % transparency (colormaps 561-816 in a .pl2)
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DrawEffectPctTransparency75
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// DrawEffectModulate is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_ALPHA, GL_DST_ALPHA (colormaps 817-1072 in a .pl2)
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DrawEffectModulate
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// DrawEffectBurn is a draw effect that implements the following function:
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// GL_MODULATE; GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA (colormaps 1073-1328 in a .pl2)
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DrawEffectBurn
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// DrawEffectNormal is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA (colormaps 1457-1712 in a .pl2)
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DrawEffectNormal
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// DrawEffectMod2XTrans is a draw effect that implements the following function:
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// GL_MODULATE; GL_SRC_COLOR, GL_DST_ALPHA (colormaps 1457-1712 in a .pl2)
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DrawEffectMod2XTrans
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// DrawEffectMod2X is a draw effect that implements the following function:
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// GL_COMBINE_ARB; GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA (colormaps 1457-1712 in a .pl2)
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DrawEffectMod2X
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// no effect
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DrawEffectNone
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)
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// Transparent returns true if there is no effect, false otherwise
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func (d DrawEffect) Transparent() bool {
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return d != DrawEffectNone
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}
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func (d DrawEffect) String() string {
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strings := map[DrawEffect]string{
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DrawEffectPctTransparency25: "25% alpha",
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DrawEffectPctTransparency50: "50% alpha",
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DrawEffectPctTransparency75: "75% alpha",
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DrawEffectModulate: "Modulate",
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DrawEffectBurn: "Burn",
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DrawEffectNormal: "Normal",
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DrawEffectMod2XTrans: "Mod2XTrans",
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DrawEffectMod2X: "Mod2X",
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DrawEffectNone: "None",
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}
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drawEffect, found := strings[d]
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if !found {
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return unknown
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}
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return drawEffect
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}
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