Some more character investigations

internal/assetstore/map.go

@@ -102,5 +102,21 @@ func (m *Map) SpritesForCell(x, y, z int) ([]*Sprite, error) {
 		sprites = append(sprites, sprite)
 	}
 
+	// FIXME: this just marks character positions with sprite 19 for now.
+	specialsObj, err := m.assets.Object("specials")
+	if err != nil {
+		return nil, err
+	}
+	chrSpr, err := specialsObj.Sprite(19)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, chr := range m.raw.Characters {
+		if chr.XPos == x && chr.YPos == y && z == 1 { // FIXME: sort out ZPos
+			sprites = append(sprites, chrSpr)
+		}
+	}
+
 	return sprites, nil
 }