Golang Game Shop Part 1 ~ 3

Solutions/DSMdongly/game-shop/part-1/src/game-shop/item/item.go

@@ -0,0 +1,29 @@
+package item
+
+import (
+	"fmt"
+)
+
+type Item struct {
+	Name        string
+	Description string
+	Weight      int
+	Value       int
+}
+
+func NewItem(nme string, dsc string, wgt int, val int) *Item {
+	return &Item{
+		Name:        nme,
+		Description: dsc,
+		Weight:      wgt,
+		Value:       val,
+	}
+}
+
+func (ite Item) Describe() {
+	fmt.Println()
+	fmt.Printf("Name        = %s\n", ite.Name)
+	fmt.Printf("Description = %s\n", ite.Description)
+	fmt.Printf("Weight      = %d lbs\n", ite.Weight)
+	fmt.Printf("Value       = %d gold coins\n", ite.Value)
+}

Solutions/DSMdongly/game-shop/part-1/src/game-shop/main.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"game-shop/item"
+)
+
+func main() {
+	swd := item.NewItem("Excalibur", "The legendary sword of King Arthur", 12, 1024)
+	swd.Describe()
+
+	arm := item.NewItem("Steel Armor", "Protective covering made by steel", 15, 805)
+	arm.Describe()
+}

Solutions/DSMdongly/game-shop/part-2/src/game-shop/item/armor.go

@@ -0,0 +1,20 @@
+package item
+
+import "fmt"
+
+type Armor struct {
+	Item
+	Defense int
+}
+
+func NewArmor(nme string, dsc string, wgt int, val int, def int) *Armor {
+	return &Armor{
+		Item:    *NewItem(nme, dsc, wgt, val),
+		Defense: def,
+	}
+}
+
+func (arm Armor) Describe() {
+	arm.Item.Describe()
+	fmt.Printf("Defense     = %d\n", arm.Defense)
+}

Solutions/DSMdongly/game-shop/part-2/src/game-shop/item/item.go

@@ -0,0 +1,27 @@
+package item
+
+import "fmt"
+
+type Item struct {
+	Name        string
+	Description string
+	Weight      int
+	Value       int
+}
+
+func NewItem(nme string, dsc string, wgt int, val int) *Item {
+	return &Item{
+		Name:        nme,
+		Description: dsc,
+		Weight:      wgt,
+		Value:       val,
+	}
+}
+
+func (ite Item) Describe() {
+	fmt.Println()
+	fmt.Printf("Name        = %s\n", ite.Name)
+	fmt.Printf("Description = %s\n", ite.Description)
+	fmt.Printf("Weight      = %d lbs\n", ite.Weight)
+	fmt.Printf("Value       = %d gold coins\n", ite.Value)
+}

Solutions/DSMdongly/game-shop/part-2/src/game-shop/item/weapon.go

@@ -0,0 +1,20 @@
+package item
+
+import "fmt"
+
+type Weapon struct {
+	Item
+	Damage int
+}
+
+func NewWeapon(nme string, dsc string, wgt int, val int, dmg int) *Weapon {
+	return &Weapon{
+		Item:   *NewItem(nme, dsc, wgt, val),
+		Damage: dmg,
+	}
+}
+
+func (wep Weapon) Describe() {
+	wep.Item.Describe()
+	fmt.Printf("Damage      = %d\n", wep.Damage)
+}

Solutions/DSMdongly/game-shop/part-2/src/game-shop/main.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"game-shop/item"
+)
+
+func main() {
+	wep := item.NewWeapon("Excalibur", "The legendary sword of King Arthur", 12, 1024, 24)
+	wep.Describe()
+
+	arm := item.NewArmor("Steel Armor", "Protective covering made by steel", 15, 805, 18)
+	arm.Describe()
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/item/armor.go

@@ -0,0 +1,20 @@
+package item
+
+import "fmt"
+
+type Armor struct {
+	Item
+	Defense int
+}
+
+func NewArmor(nme string, dsc string, wgt int, val int, def int) *Armor {
+	return &Armor{
+		Item:    *NewItem(nme, dsc, wgt, val),
+		Defense: def,
+	}
+}
+
+func (arm Armor) Describe() {
+	arm.Item.Describe()
+	fmt.Printf("Defense     = %d\n", arm.Defense)
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/item/item.go

@@ -0,0 +1,27 @@
+package item
+
+import "fmt"
+
+type Item struct {
+	Name        string
+	Description string
+	Weight      int
+	Value       int
+}
+
+func NewItem(nme string, dsc string, wgt int, val int) *Item {
+	return &Item{
+		Name:        nme,
+		Description: dsc,
+		Weight:      wgt,
+		Value:       val,
+	}
+}
+
+func (ite Item) Describe() {
+	fmt.Println()
+	fmt.Printf("Name        = %s\n", ite.Name)
+	fmt.Printf("Description = %s\n", ite.Description)
+	fmt.Printf("Weight      = %d lbs\n", ite.Weight)
+	fmt.Printf("Value       = %d gold coins\n", ite.Value)
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/item/potion.go

@@ -0,0 +1,23 @@
+package item
+
+import "fmt"
+
+type Potion struct {
+	Item
+	Type     string
+	Capacity int
+}
+
+func NewPotion(nme string, dsc string, wgt int, val int, typ string, cap int) *Potion {
+	return &Potion{
+		Item:     *NewItem(nme, dsc, wgt, val),
+		Type:     typ,
+		Capacity: cap,
+	}
+}
+
+func (pot Potion) Describe() {
+	pot.Item.Describe()
+	fmt.Printf("Type        = %s\n", pot.Type)
+	fmt.Printf("Capacity    = %d\n", pot.Capacity)
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/item/weapon.go

@@ -0,0 +1,20 @@
+package item
+
+import "fmt"
+
+type Weapon struct {
+	Item
+	Damage int
+}
+
+func NewWeapon(nme string, dsc string, wgt int, val int, dmg int) *Weapon {
+	return &Weapon{
+		Item:   *NewItem(nme, dsc, wgt, val),
+		Damage: dmg,
+	}
+}
+
+func (wep Weapon) Describe() {
+	wep.Item.Describe()
+	fmt.Printf("Damage      = %d\n", wep.Damage)
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/main.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"fmt"
+	"game-shop/item"
+	"game-shop/shop"
+	"log"
+	"strconv"
+	"time"
+)
+
+func main() {
+	esh := InitEquipmentShop()
+	psh := InitPotionShop()
+
+SHOP_SELECTION:
+	for {
+		fmt.Println()
+		fmt.Println("Shop Select")
+		fmt.Println()
+		fmt.Println("1. Weapon/Armor Shop")
+		fmt.Println("2. Potion Shop")
+		fmt.Println("3. Exit")
+		fmt.Println()
+
+		buf := ""
+		fmt.Scanln(&buf)
+
+		flg, err := strconv.Atoi(buf)
+
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		switch flg {
+		case 1:
+			fmt.Println()
+			fmt.Println("Welcome to Weapon/Armor Shop!")
+			fmt.Println()
+
+			time.Sleep(time.Millisecond * 500)
+			esh.ShowItemList()
+
+			break
+		case 2:
+			fmt.Println()
+			fmt.Println("Welcome to Potion Shop!")
+			fmt.Println()
+
+			time.Sleep(time.Millisecond * 500)
+			psh.ShowItemList()
+
+			break
+		case 3:
+			break SHOP_SELECTION
+		default:
+			fmt.Println()
+			fmt.Println("Invalid number! Try again.")
+
+			continue SHOP_SELECTION
+		}
+	}
+}
+
+func InitEquipmentShop() *shop.Shop {
+	eqps := make([]shop.Item, 0)
+	eqps = append(eqps, item.NewWeapon("Sword", "Medium DMG", 3, 10, 10))
+	eqps = append(eqps, item.NewWeapon("Cap", "Light Armor", 1, 5, 5))
+	eqps = append(eqps, item.NewWeapon("Gloves", "Light Armor", 1, 5, 5))
+	eqps = append(eqps, item.NewWeapon("Axe", "High DMG", 5, 15, 15))
+	eqps = append(eqps, item.NewWeapon("Boots", "Light Armor", 1, 5, 5))
+
+	esh := shop.NewShop("Weapon/Armor Shop", eqps)
+	return esh
+}
+
+func InitPotionShop() *shop.Shop {
+	pots := make([]shop.Item, 0)
+	pots = append(pots, item.NewPotion("Small Health Potion", "Recovery 100 HP", 2, 5, "Health", 100))
+	pots = append(pots, item.NewPotion("Small Mana Potion", "Recovery 50 MP", 1, 30, "Mana", 50))
+	pots = append(pots, item.NewPotion("Medium Health Potion", "Recovery 200 HP", 4, 120, "Health", 200))
+	pots = append(pots, item.NewPotion("Small Health Potion", "Recovery 100 MP", 2, 75, "Mana", 100))
+	pots = append(pots, item.NewPotion("Large Health Potion", "Recovery 300 HP", 6, 200, "Health", 300))
+
+	psh := shop.NewShop("Potion Shop", pots)
+	return psh
+}

Solutions/DSMdongly/game-shop/part-3/src/game-shop/shop/shop.go

@@ -0,0 +1,23 @@
+package shop
+
+type Item interface {
+	Describe()
+}
+
+type Shop struct {
+	Name  string
+	Items []Item
+}
+
+func NewShop(nme string, ites []Item) *Shop {
+	return &Shop{
+		Name:  nme,
+		Items: ites,
+	}
+}
+
+func (shp Shop) ShowItemList() {
+	for _, ite := range shp.Items {
+		ite.Describe()
+	}
+}