bsp_level_generator: Add more tiles & move tile logic to level gen

Move more of the tile generation logic like player starting pos, level
exit, enemy location, etc to bsp_level_generation and have
dungeon_manager just place nodes based on whats in the grid.

1 files changed, 51 insertions, 2 deletions

diff --git a/scripts/bsp_level_generator.gd b/scripts/bsp_level_generator.gd
index 0f38b96..543eb1d 100644
--- a/scripts/bsp_level_generator.gd
+++ b/scripts/bsp_level_generator.gd
@@ -133,8 +133,8 @@ func generate_grid(map: BSPNode, grid: Array[Tile.Tile]) -> void:
 				
 func get_tile(grid: Array[Tile.Tile], pos: Vector2i) -> Tile.Tile:
 	return grid[pos.y * grid_width + pos.x]
-				
-func populate_grid(grid: Array[Tile.Tile]) -> void:
+	
+func place_lockers(grid: Array[Tile.Tile]) -> void:
 	for room in rooms:
 		var num_lockers = randi_range(0, 2)
 		print("Generating ", num_lockers, "Lockers")
@@ -153,6 +153,55 @@ func populate_grid(grid: Array[Tile.Tile]) -> void:
 				and get_tile(grid, pos + Vector2i(0, -1)) != Tile.Tile.DOOR:
 					grid[pos.y * grid_width + pos.x] = Tile.Tile.LOCKER
 					found = true
+					
+func place_player(grid: Array[Tile.Tile]) -> Rect2i:
+	var player_room: Rect2i = rooms.pick_random()
+	var player_pos = Vector2i(player_room.position.x + player_room.size.x / 2, player_room.position.y + player_room.size.y / 2)
+	
+	grid[player_pos.y * grid_width + player_pos.x] = Tile.Tile.PLAYER
+	return player_room
+
+func place_enemies(grid: Array[Tile.Tile], player_room: Rect2i) -> void:
+	var num_enemies = randi_range(4, 10)
+
+	for i in range(num_enemies):
+		var found_pos = false
+		while not found_pos:
+			var room: Rect2i = rooms.pick_random()
+			if room == player_room:
+				continue
+				
+			var pos = Vector2i(randi_range(room.position.x, room.end.x - 1), randi_range(room.position.y, room.end.y - 1))
+			if grid[pos.y * grid_width + pos.x] == Tile.Tile.FLOOR:
+				grid[pos.y * grid_width + pos.x] = Tile.Tile.ENEMY
+				found_pos = true
+
+func place_exit(grid: Array[Tile.Tile], player_room: Rect2i) -> void:
+	var found_pos = false
+	
+	while not found_pos:
+		var room: Rect2i = rooms.pick_random()
+		if room == player_room:
+			continue
+		
+		var pos = Vector2i(randi_range(room.position.x, room.end.x - 1), randi_range(room.position.y, room.end.y - 1))
+		var left = pos + Vector2i.LEFT
+		var right = pos + Vector2i.RIGHT
+		var up = pos + Vector2i.UP
+		var down = pos + Vector2i.DOWN
+		if grid[pos.y * grid_width + pos.x] == Tile.Tile.FLOOR \
+		and grid[left.y * grid_width + left.x] == Tile.Tile.FLOOR \
+		and grid[right.y * grid_width + right.x] == Tile.Tile.FLOOR \
+		and grid[up.y * grid_width + up.x] == Tile.Tile.FLOOR \
+		and grid[down.y * grid_width + down.x] == Tile.Tile.FLOOR:
+			grid[pos.y * grid_width + pos.x] = Tile.Tile.PORTAL
+			found_pos = true
+
+func populate_grid(grid: Array[Tile.Tile]) -> void:
+	place_lockers(grid)
+	var player_room = place_player(grid)
+	place_exit(grid, player_room)
+	place_enemies(grid, player_room)
 
 func generate_plane(array: Array, pos: Vector3, dim: Array[Vector3], normal: Vector3) -> void:
 	var index = len(array[Mesh.ARRAY_VERTEX])