ml
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package level
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import "fmt"
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const (
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// TextureAnimationCount describes how many entries of texture animations a level can have.
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TextureAnimationCount = 4
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// TextureAnimationEntrySize is the size, in bytes, of one animation entry.
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TextureAnimationEntrySize = 7
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)
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// TextureAnimationEntry describes one entry of the texture animation table.
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type TextureAnimationEntry struct {
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FrameTime uint16
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CurrentFrameTime uint16
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CurrentFrameIndex byte
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FrameCount byte
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LoopType TextureAnimationLoopType
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}
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// TextureAnimationLoopType describes how a texture animation loop should advance.
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type TextureAnimationLoopType byte
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// String returns the textual representation.
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func (loopType TextureAnimationLoopType) String() string {
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switch loopType {
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case TextureAnimationForward:
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return "Forward"
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case TextureAnimationForthAndBack:
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return "Forth-And-Back"
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case TextureAnimationBackAndForth:
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return "Back-And-Forth"
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default:
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return fmt.Sprintf("Unknown%02X", int(loopType))
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}
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}
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const (
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// TextureAnimationForward has the texture animation run in a linear loop.
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TextureAnimationForward = TextureAnimationLoopType(0x00)
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// TextureAnimationForthAndBack reverses the sequence at every end.
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TextureAnimationForthAndBack = TextureAnimationLoopType(0x01)
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// TextureAnimationBackAndForth reverses the sequence at every end.
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TextureAnimationBackAndForth = TextureAnimationLoopType(0x81)
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)
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// TextureAnimationLoopTypes returns all constants.
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func TextureAnimationLoopTypes() []TextureAnimationLoopType {
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return []TextureAnimationLoopType{
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TextureAnimationForward,
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TextureAnimationForthAndBack,
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TextureAnimationBackAndForth,
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}
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}
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