XPilotGodot/World/Map.gd

131 lines
4.7 KiB
GDScript

extends TileMap
var base_positions: Array[Vector2i] = []
# Called when the node enters the scene tree for the first time.
func _ready():
MapConfig.reset_to_defaults()
func load_map(file_name: String):
MapConfig.num_errors = 0
MapConfig.reset_to_defaults()
parse_map_file(file_name)
apply_options()
prints("Loaded", MapConfig.mapname, "by", MapConfig.mapauthor)
if MapConfig.num_errors > 0:
push_error("Map contains ", MapConfig.num_errors, " errors")
func parse_map_file(file_name):
# Remove current map if any
clear()
# Build a dictionary that translates letter codes from
# the map format to tiles
var tile_dictionary = {}
var atlas_source = tile_set.get_source(0)
for i in range(atlas_source.get_tiles_count()):
var tile_id = atlas_source.get_tile_id(i)
var tile_data = atlas_source.get_tile_data(tile_id, 0)
var letter_code = tile_data.get_custom_data("Letter code")
for letter in letter_code:
tile_dictionary[letter] = tile_id
# Load the map from file
var mapfile = FileAccess.open(file_name, FileAccess.READ)
if not mapfile:
print("Couldn't open map file")
return
var multi_line_mode_option = ""
var multi_line_terminator = ""
var multi_line_content = ""
var line_number = 0
while not mapfile.eof_reached():
var line = mapfile.get_line()
line_number += 1
if multi_line_mode_option:
if line.contains(multi_line_terminator):
MapConfig.set_option(multi_line_mode_option, multi_line_content)
multi_line_mode_option = ""
else:
multi_line_content += line
else:
# Remove comments
var comment_pos = line.find('#')
if comment_pos >= 0:
line = line.left(comment_pos)
# Get rid of extra whitespace
line = line.strip_edges()
# If what is left over is an empty line, skip it
if line.length() == 0:
continue
var option = line.split(':', true, 1)
if option.size() != 2:
print("Invalid data on line ", line_number)
continue
# Multiline values expand over many lindes until a specified keyword is reached
if option[1].contains("\\multiline:"):
multi_line_mode_option = option[0].strip_edges().to_lower()
multi_line_terminator = option[1].split("\\multiline:")[1].strip_edges()
continue
MapConfig.set_option(option[0].strip_edges(), option[1].strip_edges())
if multi_line_mode_option != "":
print("EOF reached before end of multiline")
if MapConfig.mapdata.length() > 0 and MapConfig.mapwidth > 0 and MapConfig.mapheight > 0:
for iy in range(MapConfig.mapheight):
for ix in range(MapConfig.mapwidth):
var letter_code = MapConfig.mapdata[iy * MapConfig.mapwidth + ix]
if tile_dictionary.has(letter_code):
match letter_code:
# Cannon
"c", "d", "r", "f":
var cannon = preload("res://World/cannon.tscn").instantiate()
cannon.position = 64*Vector2i(ix, iy) + Vector2i(32, 32)
match letter_code:
"c":
cannon.rotation_degrees = 180
"d":
cannon.rotation_degrees = 270
"r":
cannon.rotation_degrees = 0
"f":
cannon.rotation_degrees = 90
if MapConfig.edgewrap:
if ix < MapConfig.mapwidth / 2:
cannon.position.x += 64*MapConfig.mapwidth
if iy < MapConfig.mapheight / 2:
cannon.position.y += 64*MapConfig.mapheight
$"../Cannons".add_child(cannon, true)
_:
set_cell(0, Vector2i(ix, iy), 0, tile_dictionary[letter_code])
if "_0123456789".contains(letter_code):
base_positions.push_back(Vector2i(ix, iy))
if MapConfig.edgewrap:
if ix < MapConfig.mapwidth / 2:
base_positions[-1].x += MapConfig.mapwidth
if iy < MapConfig.mapheight / 2:
base_positions[-1].y += MapConfig.mapheight
if MapConfig.edgewrap:
set_cell(0, Vector2i(ix + MapConfig.mapwidth, iy), 0, tile_dictionary[letter_code])
set_cell(0, Vector2i(ix + MapConfig.mapwidth, iy + MapConfig.mapheight), 0, tile_dictionary[letter_code])
set_cell(0, Vector2i(ix, iy + MapConfig.mapheight), 0, tile_dictionary[letter_code])
else:
print("Map data or dimensions missing")
func apply_options():
if MapConfig.edgewrap:
$"../Map boundaries/CollisionShape2D".shape.size = 64 * Vector2i(MapConfig.mapwidth, MapConfig.mapheight)
$"../Map boundaries".position = 64 * Vector2i(MapConfig.mapwidth, MapConfig.mapheight)
if not $"../Map boundaries".is_connected("body_exited", $".."._on_map_boundaries_body_exited):
$"../Map boundaries".connect("body_exited", $".."._on_map_boundaries_body_exited)
else:
if $"../Map boundaries".is_connected("body_exited", $".."._on_map_boundaries_body_exited):
$"../Map boundaries".disconnect("body_exited", $".."._on_map_boundaries_body_exited)
# Engine.physics_ticks_per_second = MapConfig.framespersecond