feat: bitpacked and base64 encoded VisitedRooms in player YAML to keep the file human readable

1 files changed, 8 insertions, 8 deletions

diff --git a/internal/game/render_map.go b/internal/game/render_map.go
index 0177595..3f9c4da 100644
--- a/internal/game/render_map.go
+++ b/internal/game/render_map.go
@@ -131,7 +131,7 @@ func buildTinyMap(g *Game, sess *net.Session, roomID int, mg mapGlyphs) []string
 			if rid == roomID {
 				grid[gr][gc] = mapCell{char: '@', spec: atSpec}
 			} else {
-				unvisited := visited != nil && !visited[rid]
+				unvisited := visited != nil && !visited.Has(rid)
 				ch, spec := roomMapSymbol(g, sess, rid, unvisited)
 				if unvisited {
 					spec = dimSpec
@@ -307,7 +307,7 @@ func buildFullMap(g *Game, sess *net.Session, roomID, mapWidth, mapHeight int, m
 		if rid == roomID {
 			grid[gr][gc] = mapCell{char: '@', spec: atSpec}
 		} else {
-			unvisited := visited != nil && !visited[rid]
+			unvisited := visited != nil && !visited.Has(rid)
 			ch, spec := roomMapSymbol(g, sess, rid, unvisited)
 			if unvisited {
 				spec = dimSpec
@@ -409,9 +409,9 @@ func buildFullMap(g *Game, sess *net.Session, roomID, mapWidth, mapHeight int, m
 	return renderMapCells(grid, colorMode, 0, mapHeight, 0)
 }
 
-func roomsVisited(sess *net.Session) map[int]bool {
+func roomsVisited(sess *net.Session) *player.RoomSet {
 	if sess != nil && sess.Player != nil {
-		return sess.Player.Stats.RoomsVisited
+		return &sess.Player.Stats.RoomsVisited
 	}
 	return nil
 }
@@ -457,7 +457,7 @@ type mapRenderCtx struct {
 	g           *Game
 	sess        *net.Session
 	bg          *mapGraph
-	visited     map[int]bool
+	visited     *player.RoomSet
 	currentRoom int
 	atSpec      color.ColorSpec
 	dimSpec     color.ColorSpec
@@ -473,7 +473,7 @@ func (c *mapRenderCtx) nodeSpec(roomID int) color.ColorSpec {
 	if roomID == c.currentRoom {
 		return c.atSpec
 	}
-	if c.visited != nil && !c.visited[roomID] {
+	if c.visited != nil && !c.visited.Has(roomID) {
 		return c.dimSpec
 	}
 	_, spec := roomMapSymbol(c.g, c.sess, roomID, false)
@@ -548,7 +548,7 @@ func (c *mapRenderCtx) isCourseLink(roomA, roomB int) bool {
 // courseColoredCell draws a one-way course arrow using the map_course color
 // (dimmed if either endpoint is unvisited).
 func (c *mapRenderCtx) courseColoredCell(roomA, roomB int, glyph rune) (mapCell, bool) {
-	if c.visited != nil && (!c.visited[roomA] || !c.visited[roomB]) {
+	if c.visited != nil && (!c.visited.Has(roomA) || !c.visited.Has(roomB)) {
 		return mapCell{char: glyph, spec: c.dimSpec}, true
 	}
 	return mapCell{char: glyph, spec: c.courseSpec}, true
@@ -557,7 +557,7 @@ func (c *mapRenderCtx) courseColoredCell(roomA, roomB int, glyph rune) (mapCell,
 // coloredCell applies the shared link coloring logic for bar/arrow glyphs
 // (dim if either endpoint is unvisited, otherwise the gradient average).
 func (c *mapRenderCtx) coloredCell(roomA, roomB int, glyph rune) (mapCell, bool) {
-	if c.visited != nil && (!c.visited[roomA] || !c.visited[roomB]) {
+	if c.visited != nil && (!c.visited.Has(roomA) || !c.visited.Has(roomB)) {
 		return mapCell{char: glyph, spec: c.dimSpec}, true
 	}
 	return mapCell{char: glyph, spec: color.Average(c.nodeSpec(roomA), c.nodeSpec(roomB))}, true