56 lines
1.8 KiB
Go
56 lines
1.8 KiB
Go
package d2data
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import (
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2datautils"
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"log"
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"strings"
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)
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const (
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numCofNameBytes = 8
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numFlagBytes = 144
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)
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// AnimationDataRecord represents a single entry in the animation data dictionary file
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type AnimationDataRecord struct {
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// COFName is the name of the COF file used for this animation
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COFName string
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// FramesPerDirection specifies how many frames are in each direction
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FramesPerDirection int
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// AnimationSpeed represents a value of X where the rate is a ration of (x/255) at 25FPS
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AnimationSpeed int
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// Flags are used in keyframe triggers
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Flags []byte
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}
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// AnimationData represents all of the animation data records, mapped by the COF index
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var AnimationData map[string][]*AnimationDataRecord //nolint:gochecknoglobals // Currently global by design
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// LoadAnimationData loads the animation data table into the global AnimationData dictionary
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func LoadAnimationData(rawData []byte) {
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AnimationData = make(map[string][]*AnimationDataRecord)
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streamReader := d2datautils.CreateStreamReader(rawData)
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for !streamReader.EOF() {
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dataCount := int(streamReader.GetInt32())
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for i := 0; i < dataCount; i++ {
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cofNameBytes := streamReader.ReadBytes(numCofNameBytes)
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data := &AnimationDataRecord{
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COFName: strings.ReplaceAll(string(cofNameBytes), string(byte(0)), ""),
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FramesPerDirection: int(streamReader.GetInt32()),
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AnimationSpeed: int(streamReader.GetInt32()),
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}
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data.Flags = streamReader.ReadBytes(numFlagBytes)
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cofIndex := strings.ToLower(data.COFName)
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if _, found := AnimationData[cofIndex]; !found {
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AnimationData[cofIndex] = make([]*AnimationDataRecord, 0)
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}
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AnimationData[cofIndex] = append(AnimationData[cofIndex], data)
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}
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}
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log.Printf("Loaded %d animation data records", len(AnimationData))
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}
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