refactor: added docs, split up some components in game package

1 files changed, 236 insertions, 0 deletions

diff --git a/internal/game/login_char.go b/internal/game/login_char.go
new file mode 100644
index 0000000..ba034bb
--- /dev/null
+++ b/internal/game/login_char.go
@@ -0,0 +1,236 @@
+package game
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"thirdcollapse/internal/net"
+	"thirdcollapse/internal/player"
+)
+
+func (g *Game) handleNewCharName(sess *net.Session, input string) {
+	name := strings.TrimSpace(input)
+
+	if sess.PendingChar == "connect" && len(sess.Account.Characters) > 0 {
+		if idx, err := parseChoiceIndex(name); err == nil && idx > 0 && idx <= len(sess.Account.Characters) {
+			sess.PendingChar = ""
+			g.connectCharacter(sess, sess.Account.Characters[idx-1])
+			return
+		}
+		sess.WriteLine("Invalid choice.")
+		sess.Write("\n> ")
+		return
+	}
+
+	if name == "" {
+		sess.Write("Character name: ")
+		return
+	}
+
+	if verr := player.ValidName(name); verr != nil {
+		sess.WriteLine(verr.Error())
+		sess.Write("Character name: ")
+		return
+	}
+
+	if g.AccountStore.CharacterExists(name) {
+		sess.WriteLine("A character with that name already exists.")
+		sess.Write("Character name: ")
+		return
+	}
+
+	p := player.New(name)
+	p.RoomID = 1
+
+	if err := g.AccountStore.SaveCharacter(p); err != nil {
+		sess.WriteLine(fmt.Sprintf("Error creating character: %v", err))
+		sess.State = net.StateMenu
+		g.showMenu(sess)
+		return
+	}
+
+	acc, _ := g.AccountStore.LoadAccount(sess.Account.Name)
+	acc.Characters = append(acc.Characters, name)
+	g.AccountStore.SaveAccount(acc)
+	sess.Account.Characters = acc.Characters
+
+	g.connectCharacter(sess, name)
+}
+
+func (g *Game) connectCharacter(sess *net.Session, name string) {
+	g.charsMu.Lock()
+	if existing := g.loggedInChars[name]; existing != nil {
+		g.charsMu.Unlock()
+		sess.WriteLine("This character is logged in elsewhere.")
+		sess.State = net.StateMenu
+		g.showMenu(sess)
+		return
+	}
+
+	p, err := g.AccountStore.LoadCharacter(name)
+	if err != nil {
+		g.charsMu.Unlock()
+		sess.WriteLine(fmt.Sprintf("Error loading character: %v", err))
+		sess.State = net.StateMenu
+		g.showMenu(sess)
+		return
+	}
+
+	sess.Player = p
+	sess.State = net.StateGame
+	g.loggedInChars[name] = sess
+	g.charsMu.Unlock()
+
+	g.World.SeedGroundItems(p.RoomID)
+	g.seedRoomMobs(p.RoomID)
+	g.seedRoomObjects(p.RoomID)
+
+	if g.Hub != nil {
+		g.Hub.EnterRoom(sess, p.RoomID)
+	}
+
+	g.doLook(sess)
+	sess.Write("\r\n> ")
+}
+
+func (g *Game) handleRenameChar(sess *net.Session, input string) {
+	name := strings.TrimSpace(input)
+	if idx, err := parseChoiceIndex(name); err == nil && idx > 0 && idx <= len(sess.Account.Characters) {
+		sess.PendingChar = sess.Account.Characters[idx-1]
+	} else {
+		sess.PendingChar = name
+	}
+
+	found := false
+	for _, c := range sess.Account.Characters {
+		if c == sess.PendingChar {
+			found = true
+			break
+		}
+	}
+	if !found {
+		sess.WriteLine(fmt.Sprintf("No character named %s on this account.", sess.PendingChar))
+		g.showMenu(sess)
+		return
+	}
+
+	sess.State = net.StateRenameCharName
+	sess.WriteLine(fmt.Sprintf("Renaming %s.", sess.PendingChar))
+	sess.Write("New name: ")
+}
+
+func (g *Game) handleRenameCharName(sess *net.Session, input string) {
+	newName := strings.TrimSpace(input)
+	oldName := sess.PendingChar
+	if newName == "" {
+		sess.Write("New name: ")
+		return
+	}
+	if verr := player.ValidName(newName); verr != nil {
+		sess.WriteLine(verr.Error())
+		sess.Write("New name: ")
+		return
+	}
+	if newName == oldName {
+		sess.WriteLine("That's already the character's name.")
+		g.showMenu(sess)
+		return
+	}
+	if g.AccountStore.CharacterExists(newName) {
+		sess.WriteLine("A character with that name already exists.")
+		sess.Write("New name: ")
+		return
+	}
+
+	oldPath := g.AccountStore.CharPath(oldName)
+	newPath := g.AccountStore.CharPath(newName)
+	if err := os.Rename(oldPath, newPath); err != nil {
+		sess.WriteLine(fmt.Sprintf("Error renaming: %v", err))
+		g.showMenu(sess)
+		return
+	}
+
+	p, _ := g.AccountStore.LoadCharacter(newName)
+	if p != nil {
+		p.Name = newName
+		g.AccountStore.SaveCharacter(p)
+	}
+
+	acc, _ := g.AccountStore.LoadAccount(sess.Account.Name)
+	for i, c := range acc.Characters {
+		if c == oldName {
+			acc.Characters[i] = newName
+			break
+		}
+	}
+	g.AccountStore.SaveAccount(acc)
+	sess.Account.Characters = acc.Characters
+
+	sess.PendingChar = ""
+	sess.WriteLine(fmt.Sprintf("%s renamed to %s.", oldName, newName))
+	g.showMenu(sess)
+}
+
+func (g *Game) showDeleteConfirm(sess *net.Session) {
+	sess.State = net.StateDeleteChar
+	sess.WriteLine(fmt.Sprintf("\nDelete %s? Type DELETE %s to confirm, or anything else to cancel.", sess.PendingChar, sess.PendingChar))
+}
+
+func (g *Game) handleDeleteChar(sess *net.Session, input string) {
+	if sess.PendingChar == "" {
+		name := strings.TrimSpace(input)
+		if idx, err := parseChoiceIndex(name); err == nil && idx > 0 && idx <= len(sess.Account.Characters) {
+			sess.PendingChar = sess.Account.Characters[idx-1]
+		} else {
+			sess.PendingChar = name
+		}
+		found := false
+		for _, c := range sess.Account.Characters {
+			if c == sess.PendingChar {
+				found = true
+				break
+			}
+		}
+		if !found {
+			sess.WriteLine(fmt.Sprintf("No character named %s on this account.", sess.PendingChar))
+			sess.PendingChar = ""
+			g.showMenu(sess)
+			return
+		}
+		g.showDeleteConfirm(sess)
+		return
+	}
+
+	input = strings.TrimSpace(input)
+	expected := "DELETE " + sess.PendingChar
+	if strings.ToUpper(input) != strings.ToUpper(expected) {
+		sess.WriteLine("Delete cancelled.")
+		sess.PendingChar = ""
+		g.showMenu(sess)
+		return
+	}
+
+	charPath := g.AccountStore.CharPath(sess.PendingChar)
+	if err := os.Remove(charPath); err != nil {
+		sess.WriteLine(fmt.Sprintf("Error deleting: %v", err))
+		sess.PendingChar = ""
+		g.showMenu(sess)
+		return
+	}
+
+	acc, _ := g.AccountStore.LoadAccount(sess.Account.Name)
+	var newChars []string
+	for _, c := range acc.Characters {
+		if c != sess.PendingChar {
+			newChars = append(newChars, c)
+		}
+	}
+	acc.Characters = newChars
+	g.AccountStore.SaveAccount(acc)
+	sess.Account.Characters = newChars
+
+	sess.WriteLine(fmt.Sprintf("%s has been deleted.", sess.PendingChar))
+	sess.PendingChar = ""
+	g.showMenu(sess)
+}