precomputed shade algo, viewport basic render

engine/gamemap/level.go

@@ -26,7 +26,9 @@ func (l *Level) Put (x, y int, tileFunc interface{}) {
 	if tf == nil {
 		l.ctx.Logger().Fatal().Msgf("Got non-tile type to put into level: %v", tf)
 	}
-	l.Tiles[x][y] = tf
+	if l.InBounds(types.Coords{x, y}) {
+		l.Tiles[x][y] = tf
+	}
 }
 
 func NewLevel(ctx util.ClientCtx, branch string, depth int) *Level {
@@ -46,5 +48,5 @@ func NewLevel(ctx util.ClientCtx, branch string, depth int) *Level {
 
 type Room struct {
 	*types.Rect
-	Center *types.Coords
+	Center types.Coords
 }

engine/gamemap/mapgens/default.go

@@ -22,7 +22,7 @@ func DefaultGen(l *gamemap.Level) *gamemap.Level {
 		}
 	}
 
-	rooms := make([]*gamemap.Room, maxrooms)
+	rooms := make([]*gamemap.Room, 0)
 
 	for i := 0; i < maxrooms; i++ {
 		newRoom := &gamemap.Room{
@@ -32,8 +32,7 @@ func DefaultGen(l *gamemap.Level) *gamemap.Level {
 				rng.Range(minRoomSize, maxRoomSize),
 				rng.Range(minRoomSize, maxRoomSize),
 			)}
-		newRoom.Center.X = newRoom.X + newRoom.W / 2
-		newRoom.Center.Y = newRoom.Y + newRoom.H / 2
+		newRoom.Center = types.Coords{newRoom.X + newRoom.W / 2, newRoom.Y + newRoom.H / 2}
 
 		failed := false
 		for _, otherRoom := range rooms {

engine/gamemap/tile.go

@@ -39,6 +39,7 @@ type Tile struct {
 	BlocksPass  bool
 	BlocksSight bool
 	Explored    bool
+	Visible 	bool
 	MustDraw    bool
 	Colordance  bool
 }