new file structure

inc/screen.selector.go

@@ -0,0 +1,64 @@
+package inc
+
+import (
+	"strings"
+
+	inkwell "git.teletypegames.org/engines/inkwell"
+)
+
+// selector is the wiki's Helyszínválasztó: "nem valódi helyszín, hanem a
+// menü-képernyő, ahonnan az összes fő helyszín elérhető"
+// (story#helyszínválasztó). The location graph is centred on it — every main
+// location connects to it both ways, and physical adjacency takes over from
+// there inwards — so without it the city is a handful of disconnected rooms.
+//
+// It is not in the concept-art deck and has no painting, so it renders as an
+// inkwell placeholder with one labelled pin per destination, laid out on a
+// grid. Whatever the map ends up looking like, the connections it carries are
+// the ones the screens declare, not a list kept here: screenSelector() is built from
+// whichever screens marked themselves onSelector.
+func screenSelector(rest []screen) screen {
+	var exits []exit
+	for _, s := range rest {
+		if !s.onSelector {
+			continue
+		}
+		exits = append(exits, exit{
+			to:    s.name,
+			label: pinLabel(s.title),
+			area:  pin(len(exits)),
+		})
+	}
+	return screen{
+		name:       ScreenSelector,
+		title:      "SAN FRANCISCO",
+		background: BgSelector,
+		exits:      exits,
+		// Nobody stands on a map.
+		actors:    []inkwell.SceneActor{},
+		walkboxes: []inkwell.Polygon{},
+	}
+}
+
+// The pin grid: three columns down the scene region, filled top to bottom.
+const (
+	pinCols = 3
+	pinW    = 192.0
+	pinH    = 32.0
+	pinX    = 16.0
+	pinY    = 28.0
+	pinGapX = 204.0
+	pinGapY = 38.0
+)
+
+func pin(i int) inkwell.Shape {
+	col, row := i%pinCols, i/pinCols
+	return inkwell.Rect(pinX+float64(col)*pinGapX, pinY+float64(row)*pinGapY, pinW, pinH)
+}
+
+// pinLabel is the screen's title without the em-dash subtitle: on a map a
+// location wants its name, not its description.
+func pinLabel(title string) string {
+	name, _, _ := strings.Cut(title, " — ")
+	return name
+}