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Add air layer option in HeightmapGenerators #152

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merged 1 commit into from
Aug 4, 2024
Merged

Add air layer option in HeightmapGenerators #152

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5 changes: 5 additions & 0 deletions addons/gaea/generators/2D/heightmap_generator/heightmap_generator_2d.gd
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Original file line number Diff line number Diff line change
Expand Up @@ -104,3 +104,8 @@ func _set_grid_area(area: Rect2i) -> void:
for y in range(area.position.y, area.end.y):
if y > -height and y <= -settings.min_height:
grid.set_valuexy(x, y, settings.tile)

if y == -height and settings.air_layer:
grid.set_valuexy(x, y, null)


2 changes: 2 additions & 0 deletions addons/gaea/generators/2D/heightmap_generator/heightmap_generator_2d_settings.gd
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Expand Up @@ -17,3 +17,5 @@ extends GeneratorSettings2D
@export var height_intensity := 20
## Negative values means the HeightmapGenerator will go below y=0.
@export var min_height := 0
## If [code]true[/code], adds a layer of air ([code]null[/code] tiles above the generated terrain.
@export var air_layer := true
3 changes: 3 additions & 0 deletions addons/gaea/generators/3D/heightmap_generator_3d/heightmap_generator_3d.gd
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Expand Up @@ -113,3 +113,6 @@ func _set_grid_area(area: AABB) -> void:
for y in range(area.position.y, area.end.y):
if y <= height and y >= settings.min_height:
grid.set_valuexyz(x, y, z, settings.tile)

if y == height and settings.air_layer:
grid.set_valuexyz(x, y, z, null)
2 changes: 2 additions & 0 deletions addons/gaea/generators/3D/heightmap_generator_3d/heightmap_generator_3d_settings.gd
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Expand Up @@ -18,6 +18,8 @@ extends GeneratorSettings3D
@export var height_intensity := 20
## Negative values means the HeightmapGenerator will go below y=0.
@export var min_height := 0
## If [code]true[/code], adds a layer of air ([code]null[/code] tiles above the generated terrain.
@export var air_layer := true
@export_group("Falloff", "falloff_")
## Enables the usage of a [FalloffMap], which makes tiles
## farther away from the center be lower in the heightmap,
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2 changes: 2 additions & 0 deletions scenes/demos/heightmap/terraria-like_generation_settings.tres
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Expand Up @@ -203,6 +203,7 @@ salt = 3487287303
enabled = true
affected_layers = Array[int]([0])
filter_type = 3
filter_layers = Array[int]([])

[sub_resource type="FastNoiseLite" id="FastNoiseLite_mwtbk"]
noise_type = 3
Expand All @@ -228,4 +229,5 @@ world_length = 128
height_offset = 160
height_intensity = 25
min_height = -32
air_layer = true
modifiers = Array[Resource("res://addons/gaea/modifiers/2D/modifier_2d.gd")]([SubResource("Resource_pu43q"), SubResource("Resource_855mm"), SubResource("Resource_q887n"), SubResource("Resource_2w3lo"), SubResource("Resource_08u4d"), SubResource("Resource_f4y1w")])