Add monequip.txt loader (#662)

d2app/app.go

@@ -264,6 +264,7 @@ func (a *App) loadDataDict() error {
 		{d2resource.PetType, d2datadict.LoadPetTypes},
 		{d2resource.NPC, d2datadict.LoadNPCs},
 		{d2resource.MonsterUniqueModifier, d2datadict.LoadMonsterUniqueModifiers},
+		{d2resource.MonsterEquipment, d2datadict.LoadMonsterEquipment},
 		{d2resource.UniqueAppellation, d2datadict.LoadUniqueAppellations},
 		{d2resource.MonsterLevel, d2datadict.LoadMonsterLevels},
 		{d2resource.MonsterSound, d2datadict.LoadMonsterSounds},

d2common/d2data/d2datadict/monster_equipment.go

@@ -0,0 +1,80 @@
+package d2datadict
+
+import (
+	"log"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
+)
+
+//MonsterEquipmentRecord represents a single line in monequip.txt
+//Information gathered from [https://d2mods.info/forum/kb/viewarticle?a=365]
+type MonsterEquipmentRecord struct {
+	//Name of monster, pointer to MonStats.txt
+	Monster string
+
+	//If true, monster is created by level, otherwise created by skill
+	OnInit bool
+
+	//Not written in description, only appear on monsters with OnInit false
+	//Level of skill for which this equipment row can be used?
+	Level int
+
+	//Code of item
+	Item1 string
+
+	//Slot of equipped item
+	Location1 string
+
+	//Item quality
+	Mod1 int
+
+	//Ditto, 3 items maximum
+	Item2     string
+	Location2 string
+	Mod2      int
+
+	Item3     string
+	Location3 string
+	Mod3      int
+}
+
+//MonsterEquipment stores the MonsterEquipmentRecords
+var MonsterEquipment map[string][]*MonsterEquipmentRecord //nolint:gochecknoglobals // Currently global by design
+
+//LoadMonsterEquipment loads MonsterEquipmentRecords into MonsterEquipment
+func LoadMonsterEquipment(file []byte) {
+	MonsterEquipment = make(map[string][]*MonsterEquipmentRecord)
+
+	d := d2common.LoadDataDictionary(file)
+	for d.Next() {
+		record := &MonsterEquipmentRecord{
+			Monster:   d.String("monster"),
+			OnInit:    d.Bool("oninit"),
+			Level:     d.Number("level"),
+			Item1:     d.String("item1"),
+			Location1: d.String("loc1"),
+			Mod1:      d.Number("mod1"),
+			Item2:     d.String("item2"),
+			Location2: d.String("loc2"),
+			Mod2:      d.Number("mod2"),
+			Item3:     d.String("item3"),
+			Location3: d.String("loc3"),
+			Mod3:      d.Number("mod3"),
+		}
+
+		if _, ok := MonsterEquipment[record.Monster]; !ok {
+			MonsterEquipment[record.Monster] = make([]*MonsterEquipmentRecord, 0)
+		}
+		MonsterEquipment[record.Monster] = append(MonsterEquipment[record.Monster], record)
+	}
+
+	if d.Err != nil {
+		panic(d.Err)
+	}
+
+	length := 0
+	for k := range MonsterEquipment {
+		length += len(MonsterEquipment[k])
+	}
+	log.Printf("Loaded %d MonsterEquipment records", length)
+}

d2common/d2enum/item_quality.go

@@ -0,0 +1,16 @@
+package d2enum
+
+//ItemQuality is used for enumerating item quality values
+type ItemQuality int
+
+const (
+	LowQuality ItemQuality = iota + 1
+	Normal
+	Superior
+	Magic
+	Set
+	Rare
+	Unique
+	Crafted
+	Tempered
+)

d2common/d2resource/resource_paths.go

@@ -208,6 +208,7 @@ const (
 	PetType               = "/data/global/excel/pettype.txt"
 	NPC                   = "/data/global/excel/npc.txt"
 	MonsterUniqueModifier = "/data/global/excel/monumod.txt"
+	MonsterEquipment      = "/data/global/excel/monequip.txt"
 	UniqueAppellation     = "/data/global/excel/UniqueAppellation.txt"
 	MonsterLevel          = "/data/global/excel/monlvl.txt"
 	MonsterSound          = "/data/global/excel/monsounds.txt"