added loaders for misscalc.txt and skillcalc.txt (#661)

Co-authored-by: BojanoN <bojan.novkovic@kset.org>

d2app/app.go

@@ -244,6 +244,8 @@ func (a *App) loadDataDict() error {
 		{d2resource.SuperUniques, d2datadict.LoadSuperUniques},
 		{d2resource.Inventory, d2datadict.LoadInventory},
 		{d2resource.Skills, d2datadict.LoadSkills},
+		{d2resource.SkillCalc, d2datadict.LoadSkillCalculations},
+		{d2resource.MissileCalc, d2datadict.LoadMissileCalculations},
 		{d2resource.Properties, d2datadict.LoadProperties},
 		{d2resource.SkillDesc, d2datadict.LoadSkillDescriptions},
 		{d2resource.ItemTypes, d2datadict.LoadItemTypes},

d2common/d2data/d2datadict/calculations.go

@@ -0,0 +1,56 @@
+package d2datadict
+
+import (
+	"log"
+
+	"github.com/OpenDiablo2/OpenDiablo2/d2common"
+)
+
+// The skillcalc.txt and misscalc.txt files are essentially lookup tables for the Skills.txt and Missiles.txt Calc functions
+// To avoid duplication (since they have identical fields) they are both represented by the CalculationRecord type
+type CalculationRecord struct {
+	Code        string
+	Description string
+}
+
+var SkillCalculations map[string]*CalculationRecord
+var MissileCalculations map[string]*CalculationRecord
+
+func LoadSkillCalculations(file []byte) {
+	SkillCalculations = make(map[string]*CalculationRecord)
+
+	d := d2common.LoadDataDictionary(file)
+	for d.Next() {
+		record := &CalculationRecord{
+			Code:        d.String("code"),
+			Description: d.String("*desc"),
+		}
+		SkillCalculations[record.Code] = record
+	}
+
+	if d.Err != nil {
+		panic(d.Err)
+	}
+
+	log.Printf("Loaded %d Skill Calculation records", len(SkillCalculations))
+}
+
+func LoadMissileCalculations(file []byte) {
+	MissileCalculations = make(map[string]*CalculationRecord)
+
+	d := d2common.LoadDataDictionary(file)
+	for d.Next() {
+		record := &CalculationRecord{
+			Code:        d.String("code"),
+			Description: d.String("*desc"),
+		}
+		MissileCalculations[record.Code] = record
+
+	}
+
+	if d.Err != nil {
+		panic(d.Err)
+	}
+
+	log.Printf("Loaded %d Missile Calculation records", len(MissileCalculations))
+}

d2common/d2resource/resource_paths.go

@@ -194,6 +194,8 @@ const (
 	CubeRecipes           = "/data/global/excel/cubemain.txt"
 	Skills                = "/data/global/excel/skills.txt"
 	SkillDesc             = "/data/global/excel/skilldesc.txt"
+	SkillCalc             = "/data/global/excel/skillcalc.txt"
+	MissileCalc           = "/data/global/excel/misscalc.txt"
 	TreasureClass         = "/data/global/excel/TreasureClassEx.txt"
 	States                = "/data/global/excel/states.txt"
 	SoundEnvirons         = "/data/global/excel/soundenviron.txt"