38 lines
1.3 KiB
GDScript3
38 lines
1.3 KiB
GDScript3
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extends SceneTree
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# Headless gameplay test: run with
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# godot --headless -s res://tests/test_biome_generation.gd
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# Verifies WorldGen's biome-per-chunk function is deterministic (querying
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# the same chunk twice gives the same biome) and that the seeded noise
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# field actually produces both biome types within a reasonably large
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# sampled area - a regression guard against a threshold tuned so one biome
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# never appears at all.
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func _initialize() -> void:
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var deterministic_ok: bool = true
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for i in range(20):
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var chunk: Vector2i = Vector2i(i * 3 - 10, i * 2 - 5)
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var a: int = WorldGen.biome_at_chunk(chunk)
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var b: int = WorldGen.biome_at_chunk(chunk)
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if a != b:
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deterministic_ok = false
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print("FAIL: chunk %s gave %d then %d" % [chunk, a, b])
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var space_count: int = 0
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var asteroid_count: int = 0
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for x in range(-25, 25):
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for y in range(-25, 25):
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var biome: int = WorldGen.biome_at_chunk(Vector2i(x, y))
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if biome == WorldGen.Biome.SPACE:
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space_count += 1
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elif biome == WorldGen.Biome.ASTEROID_FIELD:
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asteroid_count += 1
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print("deterministic_ok=%s space_count=%d asteroid_count=%d" % [deterministic_ok, space_count, asteroid_count])
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if deterministic_ok and space_count > 0 and asteroid_count > 0:
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print("TEST_BIOME_GENERATION: PASS")
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quit(0)
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else:
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print("TEST_BIOME_GENERATION: FAIL")
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quit(1)
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