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RegionIO/internal/world
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Master290 c10719cb78 Measure the surface water condition against the column's own water 
The water condition asked "is this block at or above sea level", which is only
the same question as vanilla's in an ocean. Vanilla asks how far the block sits
below the water directly above it, and there is now water that is nowhere near
y=63: the aquifer puts pools at their own levels, deep underground and up in the
hills. Against sea level every one of those read as dry stone, and the stone
above them read as lakebed.

waterHeight is already tracked down the column, so the condition becomes the
vanilla one: pass when there is no water above at all, otherwise when
blockY (+ stoneDepthAbove where the rule asks for it) clears
waterHeight + offset + surfaceDepth * multiplier. add_stone_depth was parsed and
then ignored; three rules in the overworld tree set it.

NoWaterAbove replaces a bare math.MinInt so a hand-built context cannot default
to "water at y=0" by leaving the field unset.
2026-07-27 02:05:20 +03:00
..
testdata Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
aquifer_verify_test.go Implement the vanilla Aquifer; stop flooding caves 2026-07-27 02:02:12 +03:00
bench_test.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
biome_3d_test.go 3D per-cell biomes (4x4x4) with surface/underground/cave layers 2026-06-24 01:04:01 +03:00
biome_bench_test.go 3D per-cell biomes (4x4x4) with surface/underground/cave layers 2026-06-24 01:04:01 +03:00
biome_lookup.go Biome-aware surface rules from the vanilla rule tree 2026-06-24 19:44:07 +03:00
biome_lookup_test.go 3D per-cell biomes (4x4x4) with surface/underground/cave layers 2026-06-24 01:04:01 +03:00
biome_parameters.json Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
blocks.json Chunk persistence to Anvil .mca region files 2026-06-25 00:40:14 +03:00
cache.go Fix terrain streaming and surface spawning 2026-07-21 11:11:19 +03:00
cache_light.go Fix terrain streaming and surface spawning 2026-07-21 11:11:19 +03:00
cache_light_reuse_test.go Fix terrain streaming and surface spawning 2026-07-21 11:11:19 +03:00
cache_test.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
cache_tickets.go Implement ticketed chunk lifecycle 2026-07-21 10:04:56 +03:00
cache_tickets_test.go Implement ticketed chunk lifecycle 2026-07-21 10:04:56 +03:00
chunk.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
compress.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
encode.go Implement the vanilla Aquifer; stop flooding caves 2026-07-27 02:02:12 +03:00
encode_test.go Write biome palettes in the form the client actually reads 2026-07-27 01:28:04 +03:00
entity.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
features.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
golden_test.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
item_blocks.json Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
items.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
light.go Implement ticketed chunk lifecycle 2026-07-21 10:04:56 +03:00
light_properties.bin Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
light_properties.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
light_test.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
regionfile.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
spawn_surface_test.go Fix terrain streaming and surface spawning 2026-07-21 11:11:19 +03:00
state_names.go Fix terrain streaming and surface spawning 2026-07-21 11:11:19 +03:00
store.go Measure the surface water condition against the column's own water 2026-07-27 02:05:20 +03:00
store_test.go Stop the saved world from masking generator changes 2026-07-27 01:28:05 +03:00
surface_verify_test.go Biome-aware surface rules from the vanilla rule tree 2026-06-24 19:44:07 +03:00
terrain.go Implement multiplayer persistence and vanilla lighting 2026-07-21 09:21:44 +03:00
terrain_bench_test.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
terrain_debug_test.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
vanilla.go Measure the surface water condition against the column's own water 2026-07-27 02:05:20 +03:00
vanilla_bench_test.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00
vanilla_parity_test.go Initial commit: RegionIO Minecraft server core (26.1.2/protocol 775) 2026-06-24 00:32:51 +03:00