mirror of
https://github.com/OpenDiablo2/OpenDiablo2
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0218cad717
* move music path enumerations into d2resource * move text dictionary (.tbl) loader into d2fileformats sub-package d2tbl * lint fix, add doc file for d2tbl * moved data_dictionary.go into d2fileformats sub-package d2txt, added doc file * added sub-packages d2geom for geometry-related things, and d2path for path-related things * moved calcstring.go to d2calculation * move bitmuncher, bitstream, stream reader/writer from d2common into sub-package d2datautils * fix lint errors in d2datadict loaders (caused by moving stuf around in d2common) * move size.go into d2geom * move d2common/cache.go into sub-package d2common/d2cache * renamed d2debugutil to d2util, moved utility functions from d2common into d2util
113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
package d2datadict
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import (
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"fmt"
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"log"
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"strconv"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2txt"
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)
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const (
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objectsGroupSize = 7
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memberDensityMin = 0
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memberDensityMax = 125
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memberProbabilityMin = 0
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memberProbabilityMax = 100
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expansionDataMarker = "EXPANSION"
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)
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// ObjectGroupRecord represents a single line in objgroup.txt.
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// Information has been gathered from [https://d2mods.info/forum/kb/viewarticle?a=394].
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type ObjectGroupRecord struct {
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// GroupName is the name of the group.
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GroupName string
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// Offset is the ID of the group, referred to by Levels.txt.
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Offset int
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// Members are the objects in the group.
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Members *[objectsGroupSize]ObjectGroupMember
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// Shrines determines whether this is a group of shrines.
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// Note: for shrine groups, densities must be set to 0.
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Shrines bool
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// Wells determines whether this is a group of wells.
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// Note: for wells groups, densities must be set to 0.
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Wells bool
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}
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// ObjectGroupMember represents a member of an object group.
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type ObjectGroupMember struct {
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// ID is the ID of the object.
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ID int
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// Density is how densely the level is filled with the object.
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// Must be below 125.
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Density int
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// Probability is the probability of this particular object being spawned.
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// The value is a percentage.
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Probability int
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}
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// ObjectGroups stores the ObjectGroupRecords.
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var ObjectGroups map[int]*ObjectGroupRecord //nolint:gochecknoglobals // Currently global by design.
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// LoadObjectGroups loads the ObjectGroupRecords into ObjectGroups.
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func LoadObjectGroups(file []byte) {
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ObjectGroups = make(map[int]*ObjectGroupRecord)
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d := d2txt.LoadDataDictionary(file)
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for d.Next() {
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groupName := d.String("GroupName")
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if groupName == expansionDataMarker {
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continue
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}
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shrines, wells := d.Bool("Shrines"), d.Bool("Wells")
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record := &ObjectGroupRecord{
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GroupName: groupName,
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Offset: d.Number("Offset"),
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Members: createMembers(d, shrines || wells),
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Shrines: shrines,
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Wells: wells,
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}
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ObjectGroups[record.Offset] = record
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}
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if d.Err != nil {
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panic(d.Err)
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}
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log.Printf("Loaded %d ObjectGroup records", len(ObjectGroups))
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}
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func createMembers(d *d2txt.DataDictionary, shrinesOrWells bool) *[objectsGroupSize]ObjectGroupMember {
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var members [objectsGroupSize]ObjectGroupMember
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for i := 0; i < objectsGroupSize; i++ {
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suffix := strconv.Itoa(i)
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members[i].ID = d.Number("ID" + suffix)
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members[i].Density = d.Number("DENSITY" + suffix)
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if members[i].Density < memberDensityMin || members[i].Density > memberDensityMax {
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panic(fmt.Sprintf("Invalid object group member density: %v, in group: %v",
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members[i].Density, d.String("GroupName"))) // Vanilla crashes when density is over 125.
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}
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if shrinesOrWells && members[i].Density != 0 {
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panic(fmt.Sprintf("Shrine and well object groups must have densities set to 0, in group: %v", d.String("GroupName")))
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}
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members[i].Probability = d.Number("PROB" + suffix)
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if members[i].Probability < memberProbabilityMin || members[i].Probability > memberProbabilityMax {
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panic(fmt.Sprintf("Invalid object group member probability: %v, in group: %v",
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members[i].Probability, d.String("GroupName")))
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}
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}
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return &members
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}
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