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package game
import (
"thehouseoficarus/internal/net"
"thehouseoficarus/internal/player"
)
func (g *Game) executeMap(sess *net.Session, args []string, rawInput string) {
g.doMap(sess)
}
// maxMapDimension bounds the grid a player may request. buildFullMap
// allocates mapHeight x mapWidth cells, so an unbounded option value would let
// any authenticated player trigger a fatal (unrecoverable) out-of-memory
// allocation that takes the whole server down. The option parser accepts any
// int and the value persists in the account file, so the clamp must live here.
const maxMapDimension = 200
// mapDimensions returns the clamped map grid size requested by the player.
func mapDimensions(p *player.Player) (int, int) {
mapWidth := p.OptionInt("map_width")
mapHeight := p.OptionInt("map_height")
if mapWidth < 5 {
mapWidth = 5
}
if mapHeight < 5 {
mapHeight = 5
}
if mapWidth > maxMapDimension {
mapWidth = maxMapDimension
}
if mapHeight > maxMapDimension {
mapHeight = maxMapDimension
}
return mapWidth, mapHeight
}
func (g *Game) doMap(sess *net.Session) {
p := sess.Player
mapWidth, mapHeight := mapDimensions(p)
lines := buildFullMap(g, sess, p.RoomID, mapWidth, mapHeight, mapGlyphsForPlayer(p.OptionBool("unicode")))
mode := p.OptionString("map_padding")
if mode == "none" || mode == "x" {
lines = stripBlankRows(lines)
}
if mode == "none" || mode == "y" {
lines = leftTrimCommon(lines)
}
if len(lines) == 0 {
sess.WriteLine("No map data to display.")
return
}
sess.WriteLine("")
for _, line := range lines {
sess.WriteLine(line)
}
}
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