Ocean and island navigation usable
Martin Felis
parent
7aa4b2d4b9
commit
bc662d616d
11
Globals.gd
11
Globals.gd
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@ -9,17 +9,22 @@ const SHOVEL_DURATION=1
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var DebugLabel = null
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var HexGrid = null
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var HexCell = null
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var OceanGrid = null
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var OceanNavGrid = null
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var IslandNavGrid = null
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var hex_size = 128
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var debug_nav = false
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# Called when the node enters the scene tree for the first time.
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func _ready():
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HexGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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HexGrid.hex_scale = Vector2(hex_size, hex_size)
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OceanGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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OceanGrid.hex_scale = Vector2(hex_size, hex_size)
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OceanNavGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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OceanNavGrid.hex_scale = Vector2(hex_size, hex_size)
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IslandNavGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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IslandNavGrid.hex_scale = Vector2(hex_size, hex_size)
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HexCell = preload("../thirdparty/gdhexgrid/HexCell.gd").new()
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@ -23,17 +23,13 @@ func set_hex_scale(scale):
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HexPoints = PoolVector2Array()
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var NoneColors = PoolColorArray()
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var SandColors = PoolColorArray()
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var GrassColors = PoolColorArray()
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for i in range (7):
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var angle = (60 * i) * PI / 180
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HexPoints.append(Vector2(cos(angle), sin(angle)) * hex_scale.x / 2)
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NoneColors.append("#885555")
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SandColors.append("#ffa106")
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GrassColors.append("#4b9635")
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var NoneColors = create_color_array ("#885555")
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var SandColors = create_color_array ("#ffa106")
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var GrassColors = create_color_array ("#4b9635")
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HexColors = {
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TileType.None: NoneColors,
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@ -41,6 +37,14 @@ func set_hex_scale(scale):
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TileType.Grass: GrassColors
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}
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func create_color_array(color: Color):
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var result = PoolColorArray()
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for _i in range (7):
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result.append(color)
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return result
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func get_tile_color (type_name: String):
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match type_name:
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"None": return HexColors[TileType.None]
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@ -8,6 +8,11 @@ var tile_local_coords = []
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var rect_local = Rect2()
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var radius_world = 0.0
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var is_active = false
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var landing_site_local_coord = null
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var landing_site_world = null
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var ship_anchor_world = null
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var obstacles_local_coords = {}
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# Called when the node enters the scene tree for the first time.
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func _ready():
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@ -58,6 +63,19 @@ func calc_bbox():
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print ("center coord: " + str(center_coord))
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radius_world = max(rect_local.size.x, rect_local.size.y) * 0.5
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# brute force the bbox tiles
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obstacles_local_coords = {}
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var dx = Globals.hex_size * 0.5
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var dy = Globals.hex_size * 0.5
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var n_tiles_x = (rect_local.size.x + Globals.hex_size * 2) / dx
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var n_tiles_y = (rect_local.size.y + Globals.hex_size * 2) / dy
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for r in range (n_tiles_y):
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for c in range (n_tiles_x):
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var point_hex_local = Globals.WorldToHexCenter(Vector2(rect_local.position.x+ c * dx, rect_local.position.y + r * dy) - Vector2.ONE * Globals.hex_size * 0.5)
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if not obstacles_local_coords.has(point_hex_local) and not tiles.has(point_hex_local):
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obstacles_local_coords[point_hex_local] = "#bb44aa"
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func save_island(path: String):
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var island_save_data = File.new()
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@ -110,12 +128,21 @@ func check_overlap(other):
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func get_tile_by_world_coord(world_coord: Vector2):
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var center_world = Globals.WorldToHexCenter(world_coord - offset_world)
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if center_world in tiles.keys():
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return tiles[center_world]
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var local_coord = get_local_coord_by_world_coord(world_coord)
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if local_coord in tiles.keys():
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return tiles[local_coord]
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return null
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func is_point_on_landing_site(world_coord: Vector2):
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return (Globals.WorldToHex(world_coord) - Globals.WorldToHex(landing_site_world)).length_squared() < 1
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func get_local_coord_by_world_coord(world_coord: Vector2):
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return Globals.WorldToHexCenter(world_coord - offset_world)
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func calc_rect_world():
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var rect_world = Rect2(rect_local)
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rect_world.position = transform.origin + rect_world.position + offset_world
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@ -130,15 +157,19 @@ func draw_bsphere():
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func _draw():
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var transform = get_transform()
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for coord in tiles.keys():
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draw_set_transform (coord + offset_world, 0, Vector2.ONE)
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draw_polygon(HexTileDrawer.HexPoints, HexTileDrawer.get_tile_color(tiles[coord]))
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var transform = get_transform()
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draw_set_transform(transform.origin + offset_world, transform.get_rotation(), transform.get_scale())
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if is_active:
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if Globals.debug_nav and is_active:
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draw_rect(rect_local, Color.red, false)
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var default_font = Control.new().get_font("font")
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draw_string(default_font, Vector2(0, 0), name + str(" ") + str(offset_world))
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draw_set_transform_matrix(transform)
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for coord in obstacles_local_coords.keys():
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draw_set_transform(coord + offset_world, 0, Vector2.ONE)
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draw_polygon(HexTileDrawer.HexPoints, HexTileDrawer.create_color_array("#922"))
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162
scenes/World.gd
162
scenes/World.gd
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@ -26,7 +26,11 @@ var drag_start = null
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var target = Vector2()
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var tile_data = {}
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var current_island = null
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var anchor_tile = null
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var landing_tile = null
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var player_navigation_path = []
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var player_path_plan_start = null
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var player_path_plan_end = null
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var hex_line_path = []
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@ -45,7 +49,6 @@ func _ready():
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func _process(_delta):
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WorldCamera.offset = PlayerChar.position
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PlayerBoat.transform.origin = PlayerChar.transform.origin
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if len(player_navigation_path) > 1:
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var player_coord = Globals.WorldToHexCenter(PlayerChar.transform.origin)
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@ -56,10 +59,11 @@ func _process(_delta):
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PlayerChar.target = player_navigation_path[0]
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update_current_island()
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if current_island:
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PlayerBoat.visible = false
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PlayerBoat.transform.origin = Globals.HexToWorld(anchor_tile)
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else:
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PlayerBoat.visible = true
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PlayerBoat.transform.origin = PlayerChar.transform.origin
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func draw_hex_path (path: Array, color: Color):
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@ -75,9 +79,13 @@ func draw_hex_path (path: Array, color: Color):
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func _draw():
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if Globals.debug_nav:
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draw_hex_path (hex_line_path, "#00f2f2")
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draw_hex_path (player_navigation_path, "#f200f2")
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if player_path_plan_start != null and player_path_plan_end != null:
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draw_circle (player_path_plan_start, 12, "#2288f2")
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draw_circle (player_path_plan_end, 12, "#2288f2")
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#
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# World Modification/Query
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@ -156,27 +164,35 @@ func generate():
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print ("Placed after " + str(overlap_retry_num) + " retries.")
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Islands.add_child(island)
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populate_ocean_grid()
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populate_ocean_nav_grid()
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# var island = Islands.get_children()[0]
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# var player_pos = island.center_world_coord + island.offset_world
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# PlayerChar.position = player_pos
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# PlayerChar.target = player_pos
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# PlayerChar.update()
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# print (player_pos)
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#
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# Navigation
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#
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func populate_ocean_grid():
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var obstacles = Globals.OceanGrid.get_obstacles()
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Globals.OceanGrid.remove_obstacles(obstacles.keys())
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Globals.OceanGrid.set_bounds(Vector2.ONE * -500, Vector2.ONE * 500)
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func populate_ocean_nav_grid():
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var obstacles = Globals.OceanNavGrid.get_obstacles()
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Globals.OceanNavGrid.remove_obstacles(obstacles.keys())
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Globals.OceanNavGrid.set_bounds(Vector2.ONE * -500, Vector2.ONE * 500)
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for island in Islands.get_children():
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for tile in island.tiles.keys():
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var grid_coords = Globals.WorldToHex(tile + island.offset_world)
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Globals.OceanGrid.add_obstacles(grid_coords, 15)
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Globals.OceanNavGrid.add_obstacles(grid_coords, 0)
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func populate_island_nav_grid():
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var obstacles = Globals.IslandNavGrid.get_obstacles()
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Globals.IslandNavGrid.remove_obstacles(obstacles.keys())
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Globals.IslandNavGrid.set_bounds(Vector2.ONE * -500, Vector2.ONE * 500)
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if current_island == null:
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print ("Error: cannot populate island nav grid: no island")
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return
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for tile in current_island.obstacles_local_coords.keys():
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var grid_coords = Globals.WorldToHex(tile + current_island.offset_world)
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Globals.IslandNavGrid.add_obstacles(grid_coords, 0)
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func update_current_island():
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@ -191,36 +207,82 @@ func update_current_island():
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if last_current_island != current_island:
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if last_current_island != null:
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last_current_island.is_active = false
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last_current_island.update()
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on_leave_island(last_current_island)
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if current_island != null:
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current_island.is_active = true
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current_island.update()
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on_enter_island(current_island)
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func update_player_navigation_target(target_world: Vector2):
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player_navigation_path = []
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func on_enter_island(island):
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print ("Entering island")
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current_island = island
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anchor_tile = PlayerChar.prev_tile
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landing_tile = PlayerChar.cur_tile
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island.landing_site_world = Globals.WorldToHexCenter(PlayerChar.position)
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island.landing_site_local_coord = island.get_local_coord_by_world_coord(PlayerChar.position)
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island.is_active = true
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populate_island_nav_grid()
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island.update()
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var start_world = PlayerChar.transform.origin
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func on_leave_island(island):
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print ("Leaving island")
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island.is_active = false
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island.landing_site_local_coord = null
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island.update()
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func check_player_near_anchor():
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if current_island == null:
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return false
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var anchor_world = Globals.HexToWorld(anchor_tile)
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return (PlayerChar.position - anchor_world).length() < Globals.hex_size
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func update_navigation_target_ocean(start_world: Vector2, target_world: Vector2):
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var start_coord = Globals.WorldToHex(start_world)
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var goal_coord = Globals.WorldToHex(target_world)
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var island_landing_site_world = null
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player_path_plan_start = null
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player_path_plan_end = null
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var direct_path = Globals.WorldLineToHexTiles(start_world, target_world)
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if get_tile_type(start_world) != null and current_island != null and len(direct_path) > 1:
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print ("type 0: ", get_tile_type(direct_path[0]))
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print ("type 1: ", get_tile_type(direct_path[1]))
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print ("on landing site: ", current_island.is_point_on_landing_site (start_world))
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if current_island.is_point_on_landing_site (start_world):
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if get_tile_type(direct_path[1]) == null:
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print ("starting from landing site")
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direct_path.pop_front()
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start_coord = Globals.WorldToHex(direct_path.front())
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else:
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print ("Invalid start")
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return
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# In case target is on an island we find both a landing site and
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# the first point on the ocean that we can reach.
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if get_tile_type(target_world) != null:
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var direct_path = Globals.WorldLineToHexTiles(target_world, start_world)
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var last_removed = null
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while len(direct_path) > 0 and get_tile_type(direct_path[0]) != null:
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last_removed = direct_path[0]
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direct_path.remove(0)
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while len(direct_path) > 0 and get_tile_type(direct_path.back()) != null:
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last_removed = direct_path.back()
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direct_path.pop_back()
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if len(direct_path) == 0:
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print ("Could not find path!")
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return
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print ("Using ", Globals.WorldToHex(direct_path[0]), " instead of ", goal_coord, " as goal.")
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goal_coord = Globals.WorldToHex(last_removed)
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print ("Using ", Globals.WorldToHex(direct_path.back()), " instead of ", goal_coord, " as goal.")
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goal_coord = Globals.WorldToHex(direct_path.back())
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island_landing_site_world = last_removed
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var path = Globals.OceanGrid.find_path(start_coord, goal_coord)
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for target in path.slice(1,-1):
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player_path_plan_start = Globals.HexToWorld(start_coord)
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player_path_plan_end = Globals.HexToWorld(goal_coord)
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var path = Globals.OceanNavGrid.find_path(start_coord, goal_coord)
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for target in path.slice(0,-1):
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var target_world_coord = Globals.HexToWorld(target.axial_coords)
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var target_type = get_tile_type(target_world_coord)
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@ -229,9 +291,49 @@ func update_player_navigation_target(target_world: Vector2):
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if target_type == "Sand":
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break
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if island_landing_site_world != null:
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player_navigation_path.append(island_landing_site_world)
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if len(player_navigation_path) > 0:
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PlayerChar.target = player_navigation_path[0]
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func update_navigation_target_island(start_world: Vector2, target_world: Vector2):
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print ("Navigating Island")
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var start_coord = Globals.WorldToHex(start_world)
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var goal_coord = Globals.WorldToHex(target_world)
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var path = Globals.IslandNavGrid.find_path(start_coord, goal_coord)
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print ("Path length: ", len(path))
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for target in path.slice(0,-1):
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var target_world_coord = Globals.HexToWorld(target.axial_coords)
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var target_type = get_tile_type(target_world_coord)
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player_navigation_path.append(target_world_coord)
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func update_player_navigation_target(target_world: Vector2):
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var start_world = PlayerChar.transform.origin
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player_navigation_path = []
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var start_timestamp = OS.get_system_time_msecs()
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var player_near_anchor = check_player_near_anchor()
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print ("Player near anchor: ", player_near_anchor)
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if current_island != null:
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update_navigation_target_island(start_world, target_world)
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if len(player_navigation_path) == 0 and player_near_anchor:
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start_world = Globals.HexToWorld(anchor_tile)
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if current_island == null or (len(player_navigation_path) == 0 and player_near_anchor):
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update_navigation_target_ocean(start_world, target_world)
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var planning_duration_msec = OS.get_system_time_msecs() - start_timestamp
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print ("Planning took ", round(planning_duration_msec), "ms.")
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update()
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@ -4,6 +4,8 @@ export (int) var speed = 200
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var velocity = Vector2()
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var target = Vector2()
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var prev_tile = null # Hex coords of previous tile
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var cur_tile = null # Hex coords of current tile
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func get_input():
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velocity = Vector2()
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@ -17,11 +19,18 @@ func get_input():
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velocity.y -= 1
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velocity = velocity.normalized() * speed
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func _physics_process(_delta):
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velocity = position.direction_to(target) * speed
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if position.distance_to(target) > 5:
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velocity = move_and_slide(velocity)
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var tile = Globals.WorldToHex(position)
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if tile != cur_tile:
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prev_tile = cur_tile
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cur_tile = tile
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# Called when the node enters the scene tree for the first time.
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func _ready():
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position = Vector2(0,0)
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