updated settings, cavern scale can be changed now.

biomes.lua

@@ -45,6 +45,25 @@ local shallow_cave_ceiling = function(area, data, ai, vi, bi, param2_data)
 	end	
 end
 
+
+local perlin_cave = {
+	offset = 0,
+	scale = 1,
+	spread = {x=dfcaverns.config.horizontal_cavern_scale, y=dfcaverns.config.vertical_cavern_scale, z=dfcaverns.config.horizontal_cavern_scale},
+	seed = -400000000089,
+	octaves = 3,
+	persist = 0.67
+}
+
+local perlin_wave = {
+	offset = 0,
+	scale = 1,
+	spread = {x=dfcaverns.config.horizontal_cavern_scale * 2, y=dfcaverns.config.vertical_cavern_scale, z=dfcaverns.config.horizontal_cavern_scale * 2}, -- squashed 2:1
+	seed = 59033,
+	octaves = 6,
+	persist = 0.63
+}
+
 -- default mapgen registers an "underground" biome that gets in the way of everything.
 subterrane:override_biome({
 	name = "underground",

config.lua

@@ -24,13 +24,13 @@ local function setting(stype, name, default, description)
 end
 
 local trees = {
-	{name="fungiwood", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="tunnel_tube", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="spore_tree", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="black_cap", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="nether_cap", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="goblin_cap", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
-	{name="tower_cap", min_depth=-100, max_depth=-31000, delay_multiplier = 1},
+	{name="fungiwood", delay_multiplier = 1},
+	{name="tunnel_tube", delay_multiplier = 1},
+	{name="spore_tree", delay_multiplier = 1},
+	{name="black_cap", delay_multiplier = 1},
+	{name="nether_cap", delay_multiplier = 1},
+	{name="goblin_cap", delay_multiplier = 1},
+	{name="tower_cap", delay_multiplier = 1},
 }
 
 local plants = {
@@ -47,14 +47,10 @@ setting("int", "tree_max_growth_delay", 4800, "Maximum sapling growth delay")
 
 for _, tree in pairs(trees) do
 	setting("float", tree.name.."_delay_multiplier", tree.delay_multiplier, tree.name.." growth delay multiplier")
-	setting("int", tree.name.."_min_depth", tree.min_depth, tree.name.." minimum sapling growth depth")
-	setting("int", tree.name.."_max_depth", tree.max_depth, tree.name.." maximum sapling growth depth")
 end
 
 setting("int", "blood_thorn_growth_interval", 12, "blood_thorn growth ABM interval")
 setting("int", "blood_thorn_growth_chance", 83, "blood_thorn growth ABM chance")
-setting("int", "blood_thorn_min_depth", -100, "blood_thorn minimum sapling growth depth")
-setting("int", "blood_thorn_max_depth", -31000, "blood_thorn maximum sapling growth depth")
 
 setting("int", "plant_growth_timer", 100, "Base plant growth timer interval")
 setting("int", "plant_growth_chance", 4, "Base plant growth chance")
@@ -65,6 +61,9 @@ end
 
 setting("bool", "light_kills_fungus", true, "Light kills fungus")
 
+setting("float", "vertical_cavern_scale", 256, "Vertical cavern dimension scale")
+setting("float", "horizontal_cavern_scale", 256, "Horizontal cavern dimension scale")
+
 setting("int", "ymax", -300, "Upper limit of level 1")
 setting("int", "level1_min", -900, "Upper limit of level 2")
 setting("int", "level2_min", -1500, "Upper limit of level 3")

settingtypes.txt

@@ -1,30 +1,17 @@
+[Tree growth]
 dfcaverns_tree_min_growth_delay (Minimum sapling growth delay) int 2400
 dfcaverns_tree_max_growth_delay (Maximum sapling growth delay) int 4800
 dfcaverns_fungiwood_delay_multiplier (fungiwood growth delay multiplier) float 1
-dfcaverns_fungiwood_min_depth (fungiwood minimum sapling growth depth) int -100
-dfcaverns_fungiwood_max_depth (fungiwood maximum sapling growth depth) int -31000
 dfcaverns_tunnel_tube_delay_multiplier (tunnel_tube growth delay multiplier) float 1
-dfcaverns_tunnel_tube_min_depth (tunnel_tube minimum sapling growth depth) int -100
-dfcaverns_tunnel_tube_max_depth (tunnel_tube maximum sapling growth depth) int -31000
 dfcaverns_spore_tree_delay_multiplier (spore_tree growth delay multiplier) float 1
-dfcaverns_spore_tree_min_depth (spore_tree minimum sapling growth depth) int -100
-dfcaverns_spore_tree_max_depth (spore_tree maximum sapling growth depth) int -31000
 dfcaverns_black_cap_delay_multiplier (black_cap growth delay multiplier) float 1
-dfcaverns_black_cap_min_depth (black_cap minimum sapling growth depth) int -100
-dfcaverns_black_cap_max_depth (black_cap maximum sapling growth depth) int -31000
 dfcaverns_nether_cap_delay_multiplier (nether_cap growth delay multiplier) float 1
-dfcaverns_nether_cap_min_depth (nether_cap minimum sapling growth depth) int -100
-dfcaverns_nether_cap_max_depth (nether_cap maximum sapling growth depth) int -31000
 dfcaverns_goblin_cap_delay_multiplier (goblin_cap growth delay multiplier) float 1
-dfcaverns_goblin_cap_min_depth (goblin_cap minimum sapling growth depth) int -100
-dfcaverns_goblin_cap_max_depth (goblin_cap maximum sapling growth depth) int -31000
 dfcaverns_tower_cap_delay_multiplier (tower_cap growth delay multiplier) float 1
-dfcaverns_tower_cap_min_depth (tower_cap minimum sapling growth depth) int -100
-dfcaverns_tower_cap_max_depth (tower_cap maximum sapling growth depth) int -31000
 dfcaverns_blood_thorn_growth_interval (blood_thorn growth ABM interval) int 12
 dfcaverns_blood_thorn_growth_chance (blood_thorn growth ABM chance) int 83
-dfcaverns_blood_thorn_min_depth (blood_thorn minimum sapling growth depth) int -100
-dfcaverns_blood_thorn_max_depth (blood_thorn maximum sapling growth depth) int -31000
+
+[Plant growth]
 dfcaverns_plant_growth_timer (Base plant growth timer interval) int 100
 dfcaverns_plant_growth_chance (Base plant growth chance) int 4
 dfcaverns_cave_wheat_timer_multiplier (cave_wheat growth delay multiplier) float 1
@@ -33,4 +20,20 @@ dfcaverns_pig_tail_timer_multiplier (pig_tail growth delay multiplier) float 1
 dfcaverns_plump_helmet_timer_multiplier (plump_helmet growth delay multiplier) float 3
 dfcaverns_quarry_bush_timer_multiplier (quarry_bush growth delay multiplier) float 2
 dfcaverns_sweet_pod_timer_multiplier (sweet_pod growth delay multiplier) float 2
-dfcaverns_light_kills_fungus (Light kills fungus) bool true
+dfcaverns_light_kills_fungus (Light kills fungus) bool true
+
+[Cavern dimensions]
+#Note that this doesn't guarantee caverns of this setting's size. This setting
+#affects the scale of features in the perlin noise that is used to build caverns.
+#Most caverns will be smaller than this (and a few might be larger)
+dfcaverns_vertical_cavern_scale (Vertical cavern dimension scale) float 256
+#Note that this doesn't guarantee caverns of this setting's size. This setting
+#affects the scale of features in the perlin noise that is used to build caverns.
+#Most caverns will be smaller than this (and a few might be larger)
+dfcaverns_horizontal_cavern_scale (Horizontal cavern dimension scale) float 256
+dfcaverns_ymax (Upper limit of level 1) int -300
+dfcaverns_level1_min (Upper limit of level 2) int -900
+dfcaverns_level2_min (Upper limit of level 3) int -1500
+dfcaverns_level3_min (Upper limit of lava sea) int -2100
+dfcaverns_lava_sea_min (Upper limit of underworld) int -2700
+dfcaverns_ymin (Lower limit of underworld) int -3500