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Expand generated terrain with biome-driven props

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This commit is contained in:
Alexander Sellite 2026-08-20 00:28:55 -04:00
parent e8888ed05a
commit 1e24fb0bfc
103 changed files with 5427 additions and 351 deletions
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39
world/generation/terrain_chunk_variant.gd
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@ -18,6 +18,23 @@ func stable_key() -> String:
return "%s@%d" % [definition.stable_id, posmod(quarter_turns, 4)]
func source_edge(edge: TerrainChunkTopology.Edge) -> TerrainChunkTopology.Edge:
return TerrainChunkTopology.rotated_edge(edge, -quarter_turns)
func allows_non_water_neighbor_on_edge(
neighbor: TerrainChunkVariant,
edge: TerrainChunkTopology.Edge,
) -> bool:
return (
neighbor != null
and definition.allows_non_water_neighbor_on_edge(
neighbor.definition,
source_edge(edge),
)
)
func topology_signature(quantization: float) -> String:
var tokens := PackedStringArray()
for edge_value: int in TerrainChunkTopology.Edge.values():
@ -26,6 +43,28 @@ func topology_signature(quantization: float) -> String:
return "|".join(tokens)
func constraint_signature(quantization: float) -> String:
return "%s|neighbors:%s|ocean:%d|in:%d|out:%d" % [
topology_signature(quantization),
_neighbor_rule_signature(),
rotated_edge_mask(definition.ocean_facing_edges),
rotated_edge_mask(definition.water_inlet_edges),
rotated_edge_mask(definition.water_outlet_edges),
]
func _neighbor_rule_signature() -> String:
var edge_tokens := PackedStringArray()
for edge_value: int in TerrainChunkTopology.Edge.values():
var edge := edge_value as TerrainChunkTopology.Edge
var tags: PackedStringArray = definition.allowed_neighbor_tags_for_edge(
source_edge(edge)
).duplicate()
tags.sort()
edge_tokens.append(",".join(tags))
return "/".join(edge_tokens)
func rotated_edge_mask(source_mask: int) -> int:
var result := 0
for edge_value: int in TerrainChunkTopology.Edge.values():