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Implementing Tileset for Map Generation

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This commit is contained in:
Snoweuph 2023-04-08 01:52:42 +02:00
parent 27d1606d08
commit 579faa06df
2 changed files with 79 additions and 40 deletions
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5
Scenes/Cave.tscn
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@ -1,13 +1,14 @@
[gd_scene load_steps=3 format=3 uid="uid://chfp8mm3vwh2e"]
[ext_resource type="TileSet" uid="uid://b7cqbf6xdbeal" path="res://Assets/Test_Tileset.tres" id="1_8lepy"]
[ext_resource type="TileSet" uid="uid://bj7uu2180mie3" path="res://Assets/Tileset.tres" id="1_a2htf"]
[ext_resource type="Script" path="res://Scripts/MapGenerator.gd" id="2_qvwn8"]
[node name="Node2D" type="Node2D"]
[node name="TileMap" type="TileMap" parent="."]
tile_set = ExtResource("1_8lepy")
tile_set = ExtResource("1_a2htf")
cell_quadrant_size = 8
collision_visibility_mode = 1
format = 2
script = ExtResource("2_qvwn8")
height = 33

114
Scripts/MapGenerator.gd
View file

@ -1,12 +1,9 @@
extends TileMap
@export var width := 128
@export var height := 75
@export var width := 60
@export var height := 32
@export var fill_percentage := 0.65
@export var solid_id := 0
@export var non_solid_id := 1
@export var solid_threshold := 7
@export var nonsolid_threshold := 4
@ -16,6 +13,8 @@ extends TileMap
@export var cave_gen_iterations := 3
@export var cave_mine_size_threshold := 80
var tile_array : Array
func _ready():
var time = generate()
print("time for generation: " + str(time))
@ -25,40 +24,47 @@ func _ready():
func generate() -> float:
var start_time = Time.get_unix_time_from_system()
randomize()
setup_tile_data_array()
fill_random_noise()
for i in cave_gen_iterations:
change_cells_by_neighbor_thresholds()
set_borders_solid()
prepare_player_start_area()
connect_caves(get_caves())
for i in cave_gen_iterations:
change_cells_by_neighbor_thresholds()
set_borders_solid()
tile_array_to_terrain()
return Time.get_unix_time_from_system() - start_time
func setup_tile_data_array():
tile_array.clear()
tile_array = []
for x in width:
tile_array.append([])
for y in height:
tile_array[x].append([])
func fill_random_noise():
for x in width:
for y in height:
if randf() < fill_percentage:
self.set_cell(0, Vector2i(x,y),solid_id, Vector2i(0, 0))
set_tile_solid(x,y)
else:
self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
set_tile_non_solid(x,y)
pass
func set_borders_solid():
for x in width:
self.set_cell(0, Vector2i(x,0),solid_id, Vector2i(0, 0))
self.set_cell(0, Vector2i(x,height-1),solid_id, Vector2i(0, 0))
set_tile_solid(x,0)
set_tile_solid(x,height-1)
for y in height:
self.set_cell(0, Vector2i(0,y),solid_id, Vector2i(0, 0))
self.set_cell(0, Vector2i(width-1,y),solid_id, Vector2i(0, 0))
set_tile_solid(0,y)
set_tile_solid(width-1,y)
pass
func prepare_player_start_area():
@ -76,32 +82,32 @@ func prepare_player_start_area():
for y in range(center.y - start_area_size, center.y + start_area_size):
# Decide if the tile is part of the Corner or not
if !(p2 > 0 or p2 <= - (start_area_size*2 - p*2)):
self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
set_tile_non_solid(x,y)
p2 -= 1
pass
func change_cells_by_neighbor_thresholds():
for x in range(1, width):
for y in range(1, height):
for x in range(1, width-1):
for y in range(1, height-1):
# Count Solid Neighbor Cells
var count := 0
#y-1
if self.get_cell_source_id(0, Vector2i(x-1, y-1)) == solid_id: count +=1
if self.get_cell_source_id(0, Vector2i(x, y-1)) == solid_id: count +=1
if self.get_cell_source_id(0, Vector2i(x+1, y-1)) == solid_id: count +=1
if get_tile_solid(x-1, y-1): count +=1
if get_tile_solid(x, y-1): count +=1
if get_tile_solid(x+1, y-1): count +=1
#y
if self.get_cell_source_id(0, Vector2i(x-1, y)) == solid_id: count +=1
if self.get_cell_source_id(0, Vector2i(x+1, y)) == solid_id: count +=1
if get_tile_solid(x-1, y): count +=1
if get_tile_solid(x+1, y): count +=1
#y+1
if self.get_cell_source_id(0, Vector2i(x-1, y+1)) == solid_id: count +=1
if self.get_cell_source_id(0, Vector2i(x, y+1)) == solid_id: count +=1
if self.get_cell_source_id(0, Vector2i(x+1, y+1)) == solid_id: count +=1
if get_tile_solid(x-1, y+1): count +=1
if get_tile_solid(x, y+1): count +=1
if get_tile_solid(x+1, y+1): count +=1
# Check Threshold
if count < nonsolid_threshold:
self.set_cell(0, Vector2i(x,y),non_solid_id, Vector2i(0, 0))
set_tile_non_solid(x,y)
if count >= solid_threshold:
self.set_cell(0, Vector2i(x,y),solid_id, Vector2i(0, 0))
set_tile_solid(x,y)
pass
func get_caves() -> Array:
@ -110,12 +116,12 @@ func get_caves() -> Array:
for x in range (2, width-2):
for y in range (2, height-2):
if self.get_cell_source_id(0, Vector2i(x, y)) == non_solid_id:
if get_tile_non_solid(x, y):
flood_fill(x,y, caves)
for cave in caves:
for tile in cave:
self.set_cell(0, Vector2i(tile.x,tile.y),non_solid_id, Vector2i(0, 0))
set_tile_non_solid(tile.x,tile.y)
return caves
func flood_fill(tilex, tiley, caves) -> Array:
@ -126,7 +132,7 @@ func flood_fill(tilex, tiley, caves) -> Array:
if !cave.has(tile):
cave.append(tile)
self.set_cell(0, Vector2i(tile.x,tile.y),solid_id, Vector2i(0, 0))
set_tile_solid(tile.x,tile.y)
#check adjacent cells
var north = Vector2i(tile.x, tile.y+1)
@ -135,7 +141,7 @@ func flood_fill(tilex, tiley, caves) -> Array:
var west = Vector2i(tile.x-1, tile.y)
for dir in [north,south,east,west]:
if self.get_cell_source_id(0, dir) == non_solid_id:
if get_tile_non_solid(dir.x, dir.y):
if !to_fill.has(dir) and !cave.has(dir):
to_fill.append(dir)
if cave.size() >= cave_mine_size_threshold:
@ -223,9 +229,41 @@ func create_tunnel(point1, point2, cave):
drunk_x += dx
drunk_y += dy
if self.get_cell_source_id(0, Vector2i(drunk_x, drunk_y)) == solid_id:
self.set_cell(0, Vector2i(drunk_x, drunk_y),non_solid_id, Vector2i(0, 0))
if get_tile_solid(drunk_x, drunk_y):
set_tile_non_solid(drunk_x, drunk_y)
#make tunnel wider
self.set_cell(0, Vector2i(drunk_x+1, drunk_y),non_solid_id, Vector2i(0, 0))
self.set_cell(0, Vector2i(drunk_x+1, drunk_y+1),non_solid_id, Vector2i(0, 0))
set_tile_non_solid(drunk_x+1, drunk_y)
set_tile_non_solid(drunk_x+1, drunk_y+1)
pass
func tile_array_to_terrain():
for x in width:
for y in height:
match tile_array[x][y]:
0: set_terrain_tile_non_solid(x,y)
1: set_terrain_tile_solid(x,y)
pass
# Getter
func get_tile_solid(x : int, y : int) -> bool:
return tile_array[x][y] == 1
func get_tile_non_solid(x : int, y : int) -> bool:
return tile_array[x][y] == 0
# Setter
func set_tile_solid(x : int, y : int):
tile_array[x][y] = 1
pass
func set_tile_non_solid(x : int, y : int):
tile_array[x][y] = 0
pass
func set_terrain_tile_solid(x : int, y : int):
self.set_cells_terrain_connect(0, [Vector2i(x,y)], 0, 0, false)
pass
func set_terrain_tile_non_solid(x : int, y : int):
self.set_cell(0, Vector2i(x,y), -1)
pass