From aab16376e67f51397c1c6865aa113bd61b2a9b32 Mon Sep 17 00:00:00 2001 From: paramat Date: Wed, 16 Apr 2014 08:33:08 +0100 Subject: [PATCH] Icesheet/bergs with fissures, snowblocks. Bugix: initialise under table --- README.txt | 4 +- init.lua | 136 ++++++++++++++++++++++++++++++++++------------------- 2 files changed, 90 insertions(+), 50 deletions(-) diff --git a/README.txt b/README.txt index d0d7572..da73b10 100644 --- a/README.txt +++ b/README.txt @@ -1,5 +1,5 @@ -watershed 0.3.9 by paramat +watershed 0.3.10 by paramat For latest stable Minetest back to 0.4.8 Depends default bucket Licenses: code WTFPL, textures CC BY-SA -watershed:redcobble texture CC BY-SA by brunob.santos minetestbr.blogspot.com \ No newline at end of file +watershed:redcobble texture CC BY-SA by brunob.santos \ No newline at end of file diff --git a/init.lua b/init.lua index cb0ee19..750ff0c 100644 --- a/init.lua +++ b/init.lua @@ -1,13 +1,13 @@ --- watershed 0.3.9 by paramat +-- watershed 0.3.10 by paramat -- For latest stable Minetest and back to 0.4.8 -- Depends default bucket -- License: code WTFPL, textures CC BY-SA --- Red cobble texture CC BY-SA by brunob.santos minetestbr.blogspot.com +-- Red cobble texture CC BY-SA by brunob.santos --- acacia, pine wood --- vary sandline, dunes with golden grass --- lavacooling --- new appletree design +-- remove randomness from n_temp n_humid +-- bugfix: initialise under table +-- TODO +-- all 2 octaves to 3 octaves for better shapes -- Parameters @@ -34,11 +34,11 @@ local TLAVA = 2.3 -- Maximum densitybase threshold for lava, small because grad local FISEXP = 0.03 -- Fissure expansion rate under surface local ORETHI = 0.002 -- Ore seam thickness tuner local SEAMT = 0.2 -- Seam threshold, width of seams -local ICETHI = 32 -- Controls maximum ice thickness +local BERGDEP = 32 -- Maximum iceberg depth local HITET = 0.35 -- High temperature threshold local LOTET = -0.35 -- Low .. -local ICETET = -0.7 -- Ice .. +local ICETET = -0.35 -- Ice .. local HIHUT = 0.35 -- High humidity threshold local LOHUT = -0.35 -- Low .. local BLEND = 0.03 -- Biome blend randomness @@ -271,8 +271,8 @@ minetest.register_on_generated(function(minp, maxp, seed) local n_rough = nvals_rough[nixyz] -- noise values for node local n_smooth = nvals_smooth[nixyz] local n_fissure = nvals_fissure[nixyz] - local n_temp = nvals_temp[nixyz] + (math.random() - 0.5) * BLEND - local n_humid = nvals_humid[nixyz] + (math.random() - 0.5) * BLEND + local n_temp = nvals_temp[nixyz] + local n_humid = nvals_humid[nixyz] local n_seam = nvals_seam[nixyz] local n_strata = nvals_strata[nixyz] @@ -288,18 +288,48 @@ minetest.register_on_generated(function(minp, maxp, seed) local triv = TRIV * (1 - terblen) -- other values local tsand = TSAND * (1 - terblen) - local tstone = TSTONE * (1 + grad * 0.5) + local tstone = math.max(TSTONE * (1 + grad * 0.5), 0) local tlava = TLAVA * (1 - n_magma ^ 4 * terblen ^ 16 * 0.5) local ysand = YSAV + n_fissure * SAMP + math.random() * 2 + local bergdep = math.abs(n_magma) * BERGDEP local nofis = false -- set fissure bool if math.abs(n_fissure) > math.sqrt(density) * FISEXP then nofis = true end + + local biome = false -- select biome for node + if n_temp < LOTET + (math.random() - 0.5) * BLEND then + if n_humid < LOHUT + (math.random() - 0.5) * BLEND then + biome = 1 -- tundra + elseif n_humid > HIHUT + (math.random() - 0.5) * BLEND then + biome = 3 -- taiga + else + biome = 2 -- snowy plains + end + elseif n_temp > HITET + (math.random() - 0.5) * BLEND then + if n_humid < LOHUT + (math.random() - 0.5) * BLEND then + biome = 7 -- desert + elseif n_humid > HIHUT + (math.random() - 0.5) * BLEND then + biome = 9 -- rainforest + else + biome = 8 -- savanna + end + else + if n_humid < LOHUT then + biome = 4 -- dry grassland + elseif n_humid > HIHUT then + biome = 6 -- deciduous forest + else + biome = 5 -- grassland + end + end + -- overgeneration and in-chunk generation if y == y0 - 1 then -- node layer below chunk + -- set stable table if ungen then - if density >= 0 then -- if node solid + if nofis and density >= 0 then -- if node solid stable[si] = 2 else stable[si] = 0 @@ -310,42 +340,49 @@ minetest.register_on_generated(function(minp, maxp, seed) or nodename == "watershed:redstone" or nodename == "watershed:dirt" or nodename == "watershed:permafrost" - or nodename == "default:sandstone" + or nodename == "watershed:luxoreoff" or nodename == "default:sand" or nodename == "default:desert_sand" - or nodename == "default:gravel" then + or nodename == "default:mese" + or nodename == "default:stone_with_diamond" + or nodename == "default:stone_with_gold" + or nodename == "default:stone_with_copper" + or nodename == "default:stone_with_iron" + or nodename == "default:stone_with_coal" + or nodename == "default:sandstone" + or nodename == "default:gravel" + or nodename == "default:clay" + or nodename == "default:obsidian" then stable[si] = 2 else stable[si] = 0 end end - elseif y >= y0 and y <= y1 then -- chunk - local biome = false -- select biome for node - if n_temp < LOTET then - if n_humid < LOHUT then - biome = 1 -- tundra - elseif n_humid > HIHUT then - biome = 3 -- taiga - else - biome = 2 -- snowy plains - end - elseif n_temp > HITET then - if n_humid < LOHUT then - biome = 7 -- desert - elseif n_humid > HIHUT then - biome = 9 -- rainforest - else - biome = 8 -- savanna + -- set under table + if nofis and density >= 0 and density < tstone then -- if fine materials + if biome == 1 then + under[si] = 1 + elseif biome == 2 then + under[si] = 2 + elseif biome == 3 then + under[si] = 3 + elseif biome == 4 then + under[si] = 4 + elseif biome == 5 then + under[si] = 5 + elseif biome == 6 then + under[si] = 6 + elseif biome == 7 then + under[si] = 7 + elseif biome == 8 then + under[si] = 8 + elseif biome == 9 then + under[si] = 9 end else - if n_humid < LOHUT then - biome = 4 -- dry grassland - elseif n_humid > HIHUT then - biome = 6 -- deciduous forest - else - biome = 5 -- grassland - end + under[si] = 0 end + elseif y >= y0 and y <= y1 then -- chunk -- add nodes and flora if densitybase >= tlava then -- lava if densitybase >= 0 then @@ -450,15 +487,16 @@ minetest.register_on_generated(function(minp, maxp, seed) stable[si] = 0 under[si] = 0 end - elseif y <= YWAT and density < tstone then -- sea water, not in fissures - if n_temp < ICETET and y >= YWAT - (ICETET - n_temp) * ICETHI then - data[vi] = c_ice - else - data[vi] = c_water - end + elseif y >= YWAT - bergdep and y <= YWAT + bergdep / 8 and n_temp < ICETET -- iceberg + and density < tstone and math.abs(n_fissure) > 0.01 then + data[vi] = c_ice + under[si] = 12 stable[si] = 0 + elseif y <= YWAT and density < tstone then -- sea water + data[vi] = c_water under[si] = 0 - elseif densitybase >= triv and density < tstone then -- river water, not in fissures + stable[si] = 0 + elseif densitybase >= triv and density < tstone then -- river water not in fissures if n_temp < ICETET then data[vi] = c_wsfreshice else @@ -477,7 +515,7 @@ minetest.register_on_generated(function(minp, maxp, seed) stable[si] = 0 under[si] = 0 else -- possible above surface air node - if y >= YWAT and under[si] ~= 0 then + if y > YWAT and under[si] ~= 0 then local fnoise = n_fissure -- noise for flower colours if under[si] == 1 then if math.random(121) == 2 then @@ -553,15 +591,17 @@ minetest.register_on_generated(function(minp, maxp, seed) data[vi] = c_jungrass end end - elseif under[si] == 10 then + elseif under[si] == 10 then -- dunes if math.random(DUGCHA) == 2 and y > YSAV and biome >= 4 then data[vi] = c_wsgoldengrass end - elseif under[si] == 11 and n_temp > HITET then + elseif under[si] == 11 and n_temp > HITET then -- riverbank if math.random(PAPCHA) == 2 then watershed_papyrus(x, y, z, area, data) end + elseif under[si] == 12 then -- iceberg + data[vi] = c_snowblock end end stable[si] = 0