Method GetFullMap

internal/mapper/mapper.go:799–956

Returns a fully rendered map of the area

(centerRoomId int, c Config)

// Returns a fully rendered map of the area
func (r *mapper) GetFullMap(centerRoomId int, c Config) mapRender {

	if c.ZoomLevel < 0 {
		c.ZoomLevel = 0
	}
	c.ZoomLevel++
	if c.ZoomLevel < 2 {
		c.ZoomLevel = 2
	}

	out := newMapRender(c.Width, c.Height)

	node := r.crawledRooms[centerRoomId]

	if node == nil {
		return out
	}

	srcPos := positionDelta{
		x: node.Pos.x + r.roomGrid.roomOffset.x - int(math.Ceil(float64(c.Width)/float64(c.ZoomLevel)))>>1,
		y: node.Pos.y + r.roomGrid.roomOffset.y - int(math.Ceil(float64(c.Height)/float64(c.ZoomLevel)))>>1,
		z: node.Pos.z + r.roomGrid.roomOffset.z,
	}

	dstPos := positionDelta{
		x: 0,
		y: 0,
		z: 0,
	}

	srcEndX := srcPos.x + int(math.Ceil(float64(c.Width)/float64(c.ZoomLevel)))
	srcEndY := srcPos.y + int(math.Ceil(float64(c.Height)/float64(c.ZoomLevel)))

	// Make sure we don't try and draw from beyond the grid
	if srcPos.x < 0 {
		dstPos.x = (srcPos.x * -1) * c.ZoomLevel
		srcPos.x = 0
	}

	if srcPos.y < 0 {
		dstPos.y = srcPos.y * -1 * c.ZoomLevel
		srcPos.y = 0
	}

	if srcEndX > r.roomGrid.size.x-1 {
		srcEndX = r.roomGrid.size.x - 1
	}

	if srcEndY > r.roomGrid.size.y-1 {
		srcEndY = r.roomGrid.size.y - 1
	}

	drawX, drawY := 0, 0
	z := srcPos.z

	var symbol rune
	var legend string