98 lines
2.1 KiB
Go
98 lines
2.1 KiB
Go
package gamemap
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import (
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"errors"
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"fmt"
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"lab.zaar.be/thefish/alchemyst-go/engine/items"
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"lab.zaar.be/thefish/alchemyst-go/engine/mob"
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"lab.zaar.be/thefish/alchemyst-go/engine/types"
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"lab.zaar.be/thefish/alchemyst-go/util"
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)
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var invalidBlit = errors.New("trying to blit on existing good tile")
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type Room struct {
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types.Rect
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Center types.Coords
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Geometry []func() *Tile
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Mobs []mob.Mob
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Items []items.Carried
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Connectors []types.Coords
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}
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func (r *Room) Put (x, y int, tileFunc interface{}) {
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tf := tileFunc.(func() *Tile)
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if tf == nil {
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return //fixme error
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}
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if r.InBounds(types.Coords{x, y}) {
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r.Geometry[x+y*r.W] = tf
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}
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}
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func (room *Room) BlitToLevel(l *Level) error {
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//copy tiles like this:
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//https://stackoverflow.com/questions/21011023/copy-pointer-values-a-b-in-golang
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for j := 0; j < room.H; j++ {
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for i := 0; i < room.W; i++ {
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mapCoords := types.Coords{room.X + i, room.Y + j}
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underlyingTile := l.GetTile(mapCoords)
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tileFunc := room.Geometry[i+j*room.W]
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if tileFunc == nil {
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continue
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}
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//check underlying tile
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if underlyingTile == nil ||
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underlyingTile.Name != "Wall" {
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fmt.Println("Invalid blit!")
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return invalidBlit
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}
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l.Put(mapCoords.X, mapCoords.Y, tileFunc)
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}
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}
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return nil
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}
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func (room *Room) MoveToCoords(where types.Coords) *Room {
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//update room coords?
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room.X = where.X
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room.Y = where.Y
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//update centers!
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room.Center.X += where.X
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room.Center.Y += where.Y
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//update connector?
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for i, _ := range room.Connectors {
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room.Connectors[i].X += where.X
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room.Connectors[i].Y += where.Y
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}
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return room
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}
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func NewRandomRectRoom(rng *util.RNG, w, h int, fillage types.RectFill) Room {
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newRoom := Room{
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Rect: types.NewRect(
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0,
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0,
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w,
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h,
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),
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Center: types.Coords{w / 2, h /2 },
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Geometry: make([]func()*Tile, w*h),
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}
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newRoom.Blit(fillage, &newRoom)
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//add connectors
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newRoom.Connectors = append(
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newRoom.Connectors,
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types.Coords{rng.Range(1, w - 2), 0},
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types.Coords{rng.Range(1, w - 2), h -1},
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types.Coords{0, rng.Range(1, h - 2)},
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types.Coords{w - 1, rng.Range(1, h - 2)},
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)
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return newRoom
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}
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