92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package d2datadict
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import (
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"log"
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)
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type ObjectType int
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const (
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ObjectTypeCharacter ObjectType = 1
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ObjectTypeItem ObjectType = 2
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)
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type ObjectLookupRecord struct {
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Act int
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Type ObjectType
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Id int
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Name string
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Description string
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ObjectsTxtId int
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MonstatsTxtId int
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Direction int
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Base string
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Token string
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Mode string
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Class string
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HD string
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TR string
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LG string
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RA string
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LA string
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RH string
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LH string
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SH string
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S1 string
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S2 string
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S3 string
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S4 string
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S5 string
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S6 string
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S7 string
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S8 string
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ColorMap string
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Index int
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}
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func LookupObject(act, typ, id int) *ObjectLookupRecord {
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object := lookupObject(act, typ, id, indexedObjects)
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if object == nil {
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log.Panicf("Failed to look up object Act: %d, Type: %d, Id: %d", act, typ, id)
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}
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return object
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}
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func lookupObject(act, typ, id int, objects [][][]*ObjectLookupRecord) *ObjectLookupRecord {
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if objects[act] != nil && objects[act][typ] != nil && objects[act][typ][id] != nil {
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return objects[act][typ][id]
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}
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return nil
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}
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func init() {
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indexedObjects = indexObjects(objectLookups)
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}
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func indexObjects(objects []ObjectLookupRecord) [][][]*ObjectLookupRecord {
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// Allocating 6 to allow Acts 1-5 without requiring a -1 at every read.
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indexedObjects = make([][][]*ObjectLookupRecord, 6)
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for i := range objects {
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record := &objects[i]
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if indexedObjects[record.Act] == nil {
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// Likewise allocating 3 so a -1 isn't necessary.
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indexedObjects[record.Act] = make([][]*ObjectLookupRecord, 3)
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}
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if indexedObjects[record.Act][record.Type] == nil {
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// For simplicity, allocating with length 1000 then filling the values in by index.
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// If ids in the dictionary ever surpass 1000, raise this number.
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indexedObjects[record.Act][record.Type] = make([]*ObjectLookupRecord, 1000)
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}
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indexedObjects[record.Act][record.Type][record.Id] = record
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}
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return indexedObjects
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}
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// Indexed slice of object records for quick lookups.
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// nil checks should be done for uninitialized values at each level.
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// [Act 1-5][Type 1-2][Id 0-855]
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var indexedObjects [][][]*ObjectLookupRecord
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