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|
package admin
import (
"net/http"
"os"
"path/filepath"
"strconv"
"thehouseoficarus/internal/world"
)
func (s *AdminServer) handleMap(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, `{"error":"method not allowed"}`, http.StatusMethodNotAllowed)
return
}
zStr := r.URL.Query().Get("z")
z, err := strconv.Atoi(zStr)
if err != nil {
z = 0
}
dir := r.URL.Query().Get("dir")
seed := s.cfg.StartingRoom
if dir != "" {
base := filepath.Join(s.dataDir, "rooms", dir)
if low, ok := findLowestRoom(base); ok {
seed = low
}
}
g := world.BuildGrid(seed, func(id int) (*world.Room, bool) {
room, err := s.world.LoadRoom(id)
if err != nil {
return nil, false
}
return room, true
}, nil, nil)
type RoomEntry struct {
ID int `json:"id"`
X int `json:"x"`
Y int `json:"y"`
Name string `json:"name"`
Color string `json:"color"`
Symbol string `json:"symbol"`
}
type LinkEntry struct {
From int `json:"from"`
To int `json:"to"`
Dir string `json:"dir"`
Bidirectional bool `json:"bidirectional"`
}
type UDLink struct {
From int `json:"from"`
To int `json:"to"`
}
roomData := make(map[int]*world.Room)
var rooms []RoomEntry
minX, maxX := 0, 0
minY, maxY := 0, 0
first := true
for rid, coord := range g.Coord {
if coord[2] != z {
continue
}
r, err := s.world.LoadRoom(rid)
if err != nil {
continue
}
roomData[rid] = r
rooms = append(rooms, RoomEntry{
ID: rid,
X: coord[0],
Y: coord[1],
Name: r.Name,
Color: r.Color,
})
if first {
minX, maxX = coord[0], coord[0]
minY, maxY = coord[1], coord[1]
first = false
} else {
if coord[0] < minX {
minX = coord[0]
}
if coord[0] > maxX {
maxX = coord[0]
}
if coord[1] < minY {
minY = coord[1]
}
if coord[1] > maxY {
maxY = coord[1]
}
}
}
var links []LinkEntry
var upLinks []UDLink
var downLinks []UDLink
seenLinks := make(map[string]bool)
for rid, room := range roomData {
c := g.Coord[rid]
for dir, exit := range room.Exits {
target := exit.Room
if target <= 0 {
continue
}
targetCoord, ok := g.Coord[target]
if !ok {
continue
}
if targetCoord[2] > c[2] {
upLinks = append(upLinks, UDLink{From: rid, To: target})
continue
}
if targetCoord[2] < c[2] {
downLinks = append(downLinks, UDLink{From: rid, To: target})
continue
}
if dir == world.Up || dir == world.Down {
continue
}
if _, onZ := roomData[target]; !onZ {
continue
}
bidirectional := false
if targetRoom, ok := roomData[target]; ok {
if oppExit, ok := targetRoom.Exits[world.OppositeExit[dir]]; ok && oppExit.Room == rid {
bidirectional = true
}
}
key := linkKey(rid, target)
if bidirectional && seenLinks[key] {
continue
}
seenLinks[key] = true
links = append(links, LinkEntry{
From: rid,
To: target,
Dir: string(dir),
Bidirectional: bidirectional,
})
}
}
writeJSON(w, map[string]any{
"rooms": rooms,
"links": links,
"upLinks": upLinks,
"downLinks": downLinks,
"dir": getRoomDir(s, seed),
"bounds": map[string]int{
"minX": minX,
"maxX": maxX,
"minY": minY,
"maxY": maxY,
},
})
}
func getRoomDir(s *AdminServer, roomID int) string {
path, ok := s.world.GetRoomPath(roomID)
if !ok {
return ""
}
rel, err := filepath.Rel(filepath.Join(s.dataDir, "rooms"), filepath.Dir(path))
if err != nil || rel == "." {
return ""
}
return rel
}
func linkKey(a, b int) string {
if a < b {
return strconv.Itoa(a) + "-" + strconv.Itoa(b)
}
return strconv.Itoa(b) + "-" + strconv.Itoa(a)
}
func findLowestRoom(dir string) (int, bool) {
entries, err := os.ReadDir(dir)
if err != nil {
return 0, false
}
lowest := 0
found := false
for _, e := range entries {
if e.IsDir() {
continue
}
name := e.Name()
if filepath.Ext(name) != ".yaml" {
continue
}
id, err := strconv.Atoi(name[:len(name)-5])
if err != nil || id <= 0 {
continue
}
if !found || id < lowest {
lowest = id
found = true
}
}
return lowest, found
}
func (s *AdminServer) handleNextRoomID(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, `{"error":"method not allowed"}`, http.StatusMethodNotAllowed)
return
}
fromStr := r.URL.Query().Get("from")
fromID := 0
if fromStr != "" {
fromID, _ = strconv.Atoi(fromStr)
}
id, _, err := nextRoomIDInDir(s.dataDir, fromID)
if err != nil {
writeJSON(w, map[string]any{"error": err.Error()})
return
}
writeJSON(w, map[string]any{"id": id})
}
|
