feat: aps system implemented

4 files changed, 219 insertions, 0 deletions

diff --git a/internal/action/behavior.go b/internal/action/behavior.go
index 4071f0d..1fdc8df 100644
--- a/internal/action/behavior.go
+++ b/internal/action/behavior.go
@@ -56,6 +56,7 @@ type NodeAction struct {
 	ExtendTask     bool           `yaml:"extend_task"`
 	ReputationCost int            `yaml:"reputation_cost"`
 	Sawmill        bool           `yaml:"sawmill"`
+	ApsNode        bool           `yaml:"aps_node"`
 }
 
 type ShopConfig struct {
diff --git a/internal/game/action_talk.go b/internal/game/action_talk.go
index 2f463c7..787ce3e 100644
--- a/internal/game/action_talk.go
+++ b/internal/game/action_talk.go
@@ -2,6 +2,7 @@ package game
 
 import (
 	"fmt"
+	"strconv"
 	"strings"
 
 	"thehouseoficarus/internal/action"
@@ -268,4 +269,7 @@ func (g *Game) applyNodeAction(sess *net.Session, na *action.NodeAction) {
 	if na.Sawmill {
 		g.processSawmill(sess, p)
 	}
+	if na.ApsNode {
+		setPlayerFlag(p, "aps_node_"+strconv.Itoa(p.RoomID), true)
+	}
 }
diff --git a/internal/game/cmd_aps.go b/internal/game/cmd_aps.go
new file mode 100644
index 0000000..8e20c6c
--- /dev/null
+++ b/internal/game/cmd_aps.go
@@ -0,0 +1,213 @@
+package game
+
+import (
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+
+	"thehouseoficarus/internal/color"
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+func (g *Game) executeAps(sess *net.Session, args []string, rawInput string) {
+	p := sess.Player
+
+	known := getKnownApsNodes(p)
+
+	if len(args) == 0 {
+		if len(known) == 0 {
+			sess.WriteLine("You have no APS coordinates stored in your datapad. Use an APS Tower to add some.")
+			return
+		}
+		displayApsNodes(g, sess, p, known)
+		return
+	}
+
+	if len(known) == 0 {
+		sess.WriteLine("You have no APS coordinates stored in your datapad. Use an APS Tower to add some.")
+		return
+	}
+
+	targetID := resolveApsTarget(g, sess, p, known, args)
+	if targetID == 0 {
+		return
+	}
+
+	if targetID == p.RoomID {
+		sess.WriteLine("You are already at that location.")
+		return
+	}
+
+	path := g.findPathToRoom(p.RoomID, targetID)
+	if path == nil {
+		room, err := g.World.LoadRoom(targetID)
+		roomName := fmt.Sprintf("#%d", targetID)
+		if err == nil {
+			roomName = room.Name
+		}
+		sess.WriteLine(fmt.Sprintf("No path found to %s (#%d).", roomName, targetID))
+		return
+	}
+
+	agilityLevel := p.Level(player.Agility)
+	if agilityLevel < 1 {
+		agilityLevel = 1
+	}
+	truncated := path
+	if len(path) > agilityLevel {
+		truncated = path[:agilityLevel]
+	}
+
+	room, _ := g.World.LoadRoom(targetID)
+	roomName := fmt.Sprintf("#%d", targetID)
+	if room != nil {
+		roomName = room.Name
+	}
+
+	g.cancelAction(p)
+	p.WalkSequence = truncated
+	sess.WriteLine(fmt.Sprintf("You set off towards %s (#%d) — %d move%s queued.",
+		roomName, targetID, len(truncated), plural(len(truncated))))
+}
+
+func getKnownApsNodes(p *player.Player) []int {
+	if p.Flags == nil {
+		return nil
+	}
+	var nodes []int
+	for k, v := range p.Flags {
+		if !strings.HasPrefix(k, "aps_node_") {
+			continue
+		}
+		if b, ok := v.(bool); !ok || !b {
+			continue
+		}
+		idStr := strings.TrimPrefix(k, "aps_node_")
+		id, err := strconv.Atoi(idStr)
+		if err != nil {
+			continue
+		}
+		nodes = append(nodes, id)
+	}
+	sort.Ints(nodes)
+	return nodes
+}
+
+type apsNodeInfo struct {
+	ID       int
+	Name     string
+	Distance int
+}
+
+func displayApsNodes(g *Game, sess *net.Session, p *player.Player, known []int) {
+	var infos []apsNodeInfo
+	for _, id := range known {
+		room, err := g.World.LoadRoom(id)
+		name := fmt.Sprintf("#%d", id)
+		if err == nil {
+			name = room.Name
+		}
+		dist := 0
+		if id != p.RoomID {
+			path := g.findPathToRoom(p.RoomID, id)
+			if path != nil {
+				dist = len(path)
+			}
+		}
+		infos = append(infos, apsNodeInfo{ID: id, Name: name, Distance: dist})
+	}
+
+	sort.Slice(infos, func(i, j int) bool {
+		return infos[i].Distance < infos[j].Distance
+	})
+
+	mode := g.colorMode(sess)
+	rows := make([][]string, len(infos))
+	for i, info := range infos {
+		distStr := strconv.Itoa(info.Distance)
+		if info.Distance == 0 {
+			distStr = color.Render(mode, color.Parse("82"), "here")
+		}
+		rows[i] = []string{
+			color.Render(mode, color.Parse("245"), fmt.Sprintf("#%d", info.ID)),
+			color.Render(mode, color.Parse("75"), info.Name),
+			distStr,
+		}
+	}
+
+	t := &Table{
+		Title: "APS Datapad",
+		Columns: []string{
+			color.Render(mode, color.Parse("245"), "Room"),
+			color.Render(mode, color.Parse("75"), "Name"),
+			color.Render(mode, color.Parse("230"), "Distance"),
+		},
+		Rows: rows,
+	}
+
+	for _, line := range t.Render(p.OptionBool("unicode")) {
+		sess.WriteLine(line)
+	}
+}
+
+func resolveApsTarget(g *Game, sess *net.Session, p *player.Player, known []int, args []string) int {
+	input := strings.ToLower(strings.Join(args, " "))
+
+	if input == "nearest" {
+		bestID := 0
+		bestDist := -1
+		for _, id := range known {
+			if id == p.RoomID {
+				return id
+			}
+			path := g.findPathToRoom(p.RoomID, id)
+			if path == nil {
+				continue
+			}
+			if bestDist == -1 || len(path) < bestDist {
+				bestDist = len(path)
+				bestID = id
+			}
+		}
+		if bestID == 0 {
+			sess.WriteLine("No reachable APS nodes found.")
+			return 0
+		}
+		return bestID
+	}
+
+	if roomID, err := strconv.Atoi(input); err == nil {
+		for _, id := range known {
+			if id == roomID {
+				return roomID
+			}
+		}
+		sess.WriteLine(fmt.Sprintf("Room #%d is not in your APS datapad.", roomID))
+		return 0
+	}
+
+	var matches []int
+	for _, id := range known {
+		room, err := g.World.LoadRoom(id)
+		if err != nil {
+			continue
+		}
+		nameLower := strings.ToLower(room.Name)
+		if strings.HasPrefix(nameLower, input) || strings.HasPrefix(input, nameLower) {
+			matches = append(matches, id)
+		}
+	}
+
+	if len(matches) == 1 {
+		return matches[0]
+	}
+	if len(matches) > 1 {
+		sess.WriteLine("Multiple APS nodes match that name. Be more specific or use the room number.")
+		return 0
+	}
+
+	sess.WriteLine("That location is not in your APS datapad.")
+	return 0
+}
diff --git a/internal/game/cmd_registry.go b/internal/game/cmd_registry.go
index ea741d9..db1ec81 100644
--- a/internal/game/cmd_registry.go
+++ b/internal/game/cmd_registry.go
@@ -117,6 +117,7 @@ var commandRegistry = map[string]commandDef{
 	"remove": {(*Game).executeRemove, ClassFree},
 	"unwear": {(*Game).executeRemove, ClassFree},
 	"unwield": {(*Game).executeRemove, ClassFree},
+	"aps":     {(*Game).executeAps, ClassActive},
 }
 
 func classifyCommand(cmd string) CommandClass {