108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
package d2datadict
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import (
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"log"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2txt"
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)
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const (
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costDivisor = 1024.
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)
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// NPCRecord represents a single line in NPC.txt
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// The information has been gathered from [https:// d2mods.info/forum/kb/viewarticle?a=387]
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type NPCRecord struct {
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// Name is an ID pointer to row of this npc in monstats.txt
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Name string
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Multipliers *costMultiplier
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QuestMultipliers map[int]*costMultiplier
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// MaxBuy is the maximum amount of gold an NPC will pay for an item for the corresponding
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// difficulty
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MaxBuy struct {
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Normal int
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Nightmare int
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Hell int
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}
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}
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type costMultiplier struct {
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// Buy is a percentage of base item price used when an item is bought by NPC
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Buy float64
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// Sell is a percentage of base item price used when an item is sold by NPC
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Sell float64
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// Repair is a percentage of base item price used to calculate the base repair price
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Repair float64
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}
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// NPCs stores the NPCRecords
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var NPCs map[string]*NPCRecord // nolint:gochecknoglobals // Currently global by design
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// LoadNPCs loads NPCRecords into NPCs
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func LoadNPCs(file []byte) {
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NPCs = make(map[string]*NPCRecord)
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d := d2txt.LoadDataDictionary(file)
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for d.Next() {
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record := &NPCRecord{
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Name: d.String("npc"),
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Multipliers: &costMultiplier{
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Buy: float64(d.Number("buy mult")) / costDivisor,
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Sell: float64(d.Number("sell mult")) / costDivisor,
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Repair: float64(d.Number("rep mult")) / costDivisor,
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},
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MaxBuy: struct {
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Normal int
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Nightmare int
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Hell int
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}{
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Normal: d.Number("max buy"),
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Nightmare: d.Number("max buy (N)"),
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Hell: d.Number("max buy (H)"),
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},
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}
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record.QuestMultipliers = make(map[int]*costMultiplier)
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if flagStr := d.String("questflag A"); flagStr != "" {
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flag := d.Number("questflag A")
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record.QuestMultipliers[flag] = &costMultiplier{
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float64(d.Number("questbuymult A")) / costDivisor,
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float64(d.Number("questsellmult A")) / costDivisor,
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float64(d.Number("questrepmult A")) / costDivisor,
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}
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}
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if flagStr := d.String("questflag B"); flagStr != "" {
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flag := d.Number("questflag B")
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record.QuestMultipliers[flag] = &costMultiplier{
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float64(d.Number("questbuymult B")) / costDivisor,
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float64(d.Number("questsellmult B")) / costDivisor,
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float64(d.Number("questrepmult B")) / costDivisor,
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}
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}
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if flagStr := d.String("questflag C"); flagStr != "" {
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flag := d.Number("questflag C")
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record.QuestMultipliers[flag] = &costMultiplier{
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float64(d.Number("questbuymult C")) / costDivisor,
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float64(d.Number("questsellmult C")) / costDivisor,
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float64(d.Number("questrepmult C")) / costDivisor,
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}
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}
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NPCs[record.Name] = 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 NPC records", len(NPCs))
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}
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