mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-10-31 16:27:18 -04:00
66 lines
2.5 KiB
Go
66 lines
2.5 KiB
Go
package d2cof
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import (
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"strings"
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"github.com/OpenDiablo2/OpenDiablo2/d2common"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
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)
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type COF struct {
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NumberOfDirections int
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FramesPerDirection int
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NumberOfLayers int
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Speed int
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CofLayers []CofLayer
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CompositeLayers map[d2enum.CompositeType]int
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AnimationFrames []d2enum.AnimationFrame
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Priority [][][]d2enum.CompositeType
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}
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func LoadCOF(fileData []byte) (*COF, error) {
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result := &COF{}
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streamReader := d2common.CreateStreamReader(fileData)
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result.NumberOfLayers = int(streamReader.GetByte())
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result.FramesPerDirection = int(streamReader.GetByte())
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result.NumberOfDirections = int(streamReader.GetByte())
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streamReader.SkipBytes(21) // Skip 21 unknown bytes...
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result.Speed = int(streamReader.GetByte())
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streamReader.SkipBytes(3)
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result.CofLayers = make([]CofLayer, result.NumberOfLayers)
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result.CompositeLayers = make(map[d2enum.CompositeType]int, 0)
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for i := 0; i < result.NumberOfLayers; i++ {
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layer := CofLayer{}
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layer.Type = d2enum.CompositeType(streamReader.GetByte())
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layer.Shadow = streamReader.GetByte()
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layer.Selectable = streamReader.GetByte() != 0
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layer.Transparent = streamReader.GetByte() != 0
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layer.DrawEffect = d2enum.DrawEffect(streamReader.GetByte())
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weaponClassStr, _ := streamReader.ReadBytes(4)
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layer.WeaponClass = d2enum.WeaponClassFromString(strings.TrimSpace(strings.ReplaceAll(string(weaponClassStr), string(0), "")))
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result.CofLayers[i] = layer
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result.CompositeLayers[layer.Type] = i
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}
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animationFrameBytes, _ := streamReader.ReadBytes(result.FramesPerDirection)
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result.AnimationFrames = make([]d2enum.AnimationFrame, result.FramesPerDirection)
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for i := range animationFrameBytes {
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result.AnimationFrames[i] = d2enum.AnimationFrame(animationFrameBytes[i])
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}
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priorityLen := result.FramesPerDirection * result.NumberOfDirections * result.NumberOfLayers
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result.Priority = make([][][]d2enum.CompositeType, result.NumberOfDirections)
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priorityBytes, _ := streamReader.ReadBytes(priorityLen)
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priorityIndex := 0
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for direction := 0; direction < result.NumberOfDirections; direction++ {
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result.Priority[direction] = make([][]d2enum.CompositeType, result.FramesPerDirection)
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for frame := 0; frame < result.FramesPerDirection; frame++ {
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result.Priority[direction][frame] = make([]d2enum.CompositeType, result.NumberOfLayers)
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for i := 0; i < result.NumberOfLayers; i++ {
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result.Priority[direction][frame][i] = d2enum.CompositeType(priorityBytes[priorityIndex])
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priorityIndex++
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}
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}
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}
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return result, nil
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}
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