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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-05 09:47:18 -05:00
OpenDiablo2/d2data/d2cof/cof.go
2019-11-13 14:26:42 -05:00

67 lines
2.5 KiB
Go

package d2cof
import (
"strings"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
"github.com/OpenDiablo2/OpenDiablo2/d2common"
)
type COF struct {
NumberOfDirections int
FramesPerDirection int
NumberOfLayers int
CofLayers []CofLayer
CompositeLayers map[d2enum.CompositeType]int
AnimationFrames []d2enum.AnimationFrame
Priority [][][]d2enum.CompositeType
}
func LoadCOF(fileName string, fileProvider d2interface.FileProvider) *COF {
result := &COF{}
fileData := fileProvider.LoadFile(fileName)
if len(fileData) == 0 {
return result
}
streamReader := d2common.CreateStreamReader(fileData)
result.NumberOfLayers = int(streamReader.GetByte())
result.FramesPerDirection = int(streamReader.GetByte())
result.NumberOfDirections = int(streamReader.GetByte())
streamReader.SkipBytes(25) // Skip 25 unknown bytes...
result.CofLayers = make([]CofLayer, result.NumberOfLayers)
result.CompositeLayers = make(map[d2enum.CompositeType]int, 0)
for i := 0; i < result.NumberOfLayers; i++ {
layer := CofLayer{}
layer.Type = d2enum.CompositeType(streamReader.GetByte())
layer.Shadow = streamReader.GetByte()
streamReader.SkipBytes(1) // Unknown
layer.Transparent = streamReader.GetByte() != 0
layer.DrawEffect = d2enum.DrawEffect(streamReader.GetByte())
weaponClassStr, _ := streamReader.ReadBytes(4)
layer.WeaponClass = d2enum.WeaponClassFromString(strings.TrimSpace(strings.ReplaceAll(string(weaponClassStr), string(0), "")))
result.CofLayers[i] = layer
result.CompositeLayers[layer.Type] = i
}
animationFrameBytes, _ := streamReader.ReadBytes(result.FramesPerDirection)
result.AnimationFrames = make([]d2enum.AnimationFrame, result.FramesPerDirection)
for i := range animationFrameBytes {
result.AnimationFrames[i] = d2enum.AnimationFrame(animationFrameBytes[i])
}
priorityLen := result.FramesPerDirection * result.NumberOfDirections * result.NumberOfLayers
result.Priority = make([][][]d2enum.CompositeType, result.NumberOfDirections)
priorityBytes, _ := streamReader.ReadBytes(priorityLen)
for direction := 0; direction < result.NumberOfDirections; direction++ {
result.Priority[direction] = make([][]d2enum.CompositeType, result.FramesPerDirection)
for frame := 0; frame < result.FramesPerDirection; frame++ {
result.Priority[direction][frame] = make([]d2enum.CompositeType, result.NumberOfLayers)
for i := 0; i < result.NumberOfLayers; i++ {
result.Priority[direction][frame][i] = d2enum.CompositeType(priorityBytes[i])
}
}
}
return result
}