1 files changed, 147 insertions, 0 deletions
diff --git a/internal/player/player.go b/internal/player/player.go
new file mode 100644
index 0000000..33689c5
--- /dev/null
+++ b/internal/player/player.go
@@ -0,0 +1,147 @@
+package player
+
+import "thirdcollapse/internal/object"
+
+type SkillName string
+
+const (
+	Attack       SkillName = "attack"
+	Strength     SkillName = "strength"
+	Defense      SkillName = "defense"
+	Hitpoints    SkillName = "hitpoints"
+	Ranged       SkillName = "ranged"
+	Science      SkillName = "science"
+	Technology   SkillName = "technology"
+	Fishing      SkillName = "fishing"
+	Cooking      SkillName = "cooking"
+	Woodcutting  SkillName = "woodcutting"
+	Mining       SkillName = "mining"
+	Smithing     SkillName = "smithing"
+	Crafting     SkillName = "crafting"
+	Fletching    SkillName = "fletching"
+	Alchemy      SkillName = "alchemy"
+	Thieving     SkillName = "thieving"
+	Agility      SkillName = "agility"
+	Construction SkillName = "construction"
+	Scavenging   SkillName = "scavenging"
+	Hunter       SkillName = "hunter"
+)
+
+var AllSkills = []SkillName{
+	Attack, Strength, Defense, Hitpoints, Ranged, Science, Technology,
+	Fishing, Cooking, Woodcutting, Mining, Smithing, Crafting, Fletching,
+	Alchemy, Thieving, Agility, Construction, Scavenging, Hunter,
+}
+
+type AttackStyle string
+
+const (
+	Accurate   AttackStyle = "accurate"
+	Aggressive AttackStyle = "aggressive"
+	Defensive  AttackStyle = "defensive"
+	Balanced   AttackStyle = "balanced"
+)
+
+type Skill struct {
+	Name SkillName
+	XP   int
+}
+
+func (s Skill) Level() int {
+	return LevelForXP(s.XP)
+}
+
+type InventorySlot struct {
+	ItemID   string `yaml:"item_id"`
+	Quantity int    `yaml:"quantity"`
+}
+
+type Player struct {
+	Name        string                       `yaml:"name"`
+	Skills      map[SkillName]int            `yaml:"skills"`    // xp
+	Inventory   map[int]*InventorySlot       `yaml:"inventory"` // slot 0-27 -> item
+	Equipment   map[object.EquipSlot]string  `yaml:"equipment"` // slot -> item_id
+	Toolbelt    []string                     `yaml:"toolbelt"`  // item_ids
+	RoomID      int                          `yaml:"room_id"`
+	HP          int                          `yaml:"hp"`
+	Credits     int                          `yaml:"credits"`
+	AttackStyle AttackStyle                  `yaml:"attack_style"`
+}
+
+func (p *Player) InvSlot(i int) *InventorySlot {
+	if p.Inventory == nil {
+		return nil
+	}
+	return p.Inventory[i]
+}
+
+func (p *Player) SetInvSlot(i int, slot *InventorySlot) {
+	if p.Inventory == nil {
+		p.Inventory = make(map[int]*InventorySlot)
+	}
+	if slot == nil {
+		delete(p.Inventory, i)
+	} else {
+		p.Inventory[i] = slot
+	}
+}
+
+func (p *Player) FirstFreeSlot() int {
+	for i := 0; i < 28; i++ {
+		if p.Inventory[i] == nil {
+			return i
+		}
+	}
+	return -1
+}
+
+func (p *Player) FreeSlots() int {
+	used := len(p.Inventory)
+	return 28 - used
+}
+
+func New(name string) *Player {
+	p := &Player{
+		Name:        name,
+		Skills:      make(map[SkillName]int),
+		Equipment:   make(map[object.EquipSlot]string),
+		AttackStyle: Accurate,
+		RoomID:      0,
+	}
+	for _, s := range AllSkills {
+		p.Skills[s] = 0
+	}
+	p.Skills[Hitpoints] = XPForLevel(10)
+	p.HP = p.MaxHP()
+	return p
+}
+
+func (p *Player) Level(s SkillName) int {
+	return LevelForXP(p.Skills[s])
+}
+
+func (p *Player) AddXP(s SkillName, amount int) {
+	if p.Skills == nil {
+		p.Skills = make(map[SkillName]int)
+	}
+	p.Skills[s] += amount
+}
+
+func (p *Player) CombatLevel() int {
+	base := 0.25 * float64(p.Level(Defense)+p.Level(Hitpoints)+p.Level(Science))
+	att := float64(p.Level(Attack))
+	str := float64(p.Level(Strength))
+
+	if float64(p.Level(Ranged))*1.5 > att+str {
+		base += 0.375 * float64(p.Level(Ranged))
+	} else {
+		base += 0.25 * (att + str)
+	}
+
+	base += 0.125 * float64(p.Level(Technology))
+	return int(base)
+}
+
+func (p *Player) MaxHP() int {
+	return p.Level(Hitpoints)
+}