Add limestne and dolomite.

geologicaLayers.lua

@@ -14,7 +14,7 @@ minetest.register_node( "rocks:granite", {
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 	groups = {cracky=CcStrong, stone=1}, 
 })
-rocks.register_layer( "granite",{ gain=20, height=-55, limit=2, seed=1 }, "rocks:granite")
+rocks.register_layer( "granite",{ gain=20, height=-22, limit=2, seed=1 }, "rocks:granite")
 
 -- Diorite      In/Inter   vhard Below granite                      
 minetest.register_node( "rocks:diorite", {  
@@ -23,7 +23,7 @@ minetest.register_node( "rocks:diorite", {
 	groups = {cracky=CcHard, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "diorite",{ gain=20, height=-80, limit=2, seed=2 }, "rocks:diorite")
+rocks.register_layer( "diorite",{ gain=20, height=-55, limit=2, seed=2 }, "rocks:diorite")
 
 -- Basalt       Ex/Mafic   hard  same as diorite, byt limit=0.5
 minetest.register_node( "rocks:basalt", {  
@@ -32,7 +32,7 @@ minetest.register_node( "rocks:basalt", {
 	groups = {cracky=CcStrong, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "basalt",{ gain=20, height=-75, limit=-0.7, seed=2 }, "rocks:basalt")
+rocks.register_layer( "basalt",{ gain=20, height=-60, limit=-0.7, seed=2 }, "rocks:basalt")
 
 -- Gabbro       In/Mafic   vhard Below basalt/diorite (mtns, ocean) 
 minetest.register_node( "rocks:gabbro", {  
@@ -41,7 +41,7 @@ minetest.register_node( "rocks:gabbro", {
 	groups = {cracky=CcHard, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "gabbro",{ gain=20, height=-120, limit=2, seed=3 }, "rocks:gabbro")
+rocks.register_layer( "gabbro",{ gain=20, height=-70, limit=2, seed=3 }, "rocks:gabbro")
 
 -- Peridotite   In/UMafic  vhard Rarely under gabbro                
 minetest.register_node( "rocks:peridotite", {  
@@ -50,7 +50,7 @@ minetest.register_node( "rocks:peridotite", {
 	groups = {cracky=CcStrong, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "peridotite",{ gain=20, height=-130, limit=-0.8, seed=4 }, "rocks:peridotite")
+rocks.register_layer( "peridotite",{ gain=20, height=-120, limit=-0.8, seed=4 }, "rocks:peridotite")
 
 -- Komatiite    Ex/UMafic  -     Too deep                           
 minetest.register_node( "rocks:komatiite", {  
@@ -59,7 +59,7 @@ minetest.register_node( "rocks:komatiite", {
 	groups = {cracky=CcHard, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "komatiite",{ gain=20, height=-200, limit=2, seed=5 }, "rocks:komatiite")
+rocks.register_layer( "komatiite",{ gain=20, height=-130, limit=2, seed=5 }, "rocks:komatiite")
 
 --
 -- top sedimentary rocks
@@ -72,7 +72,7 @@ minetest.register_node( "rocks:mudstone", {
 	groups = {cracky=CcSoft, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "mudstone",{ gain=10, height=-13, limit=2, seed=4 }, "rocks:mudstone")
+rocks.register_layer( "mudstone",{ gain=10, height=10, limit=2, seed=4 }, "rocks:mudstone")
 
 -- Slate        MM/barro   med   Under mud/clay/siltstone
 minetest.register_node( "rocks:slate", {  
@@ -81,7 +81,7 @@ minetest.register_node( "rocks:slate", {
 	groups = {cracky=CcMed, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "slate",{ gain=10, height=-15, limit=2, seed=5 }, "rocks:slate")
+-- rocks.register_layer( "slate",{ gain=10, height=-7, limit=2, seed=5 }, "rocks:slate")
 
 -- Schist       MM/barro   med   Under slate, sometimes igneous
 minetest.register_node( "rocks:schist", {  
@@ -90,7 +90,7 @@ minetest.register_node( "rocks:schist", {
 	groups = {cracky=CcMed, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "schist",{ gain=10, height=-18, limit=2, seed=5 }, "rocks:schist")
+rocks.register_layer( "schist",{ gain=10, height=-15, limit=2, seed=5 }, "rocks:schist")
 
 -- Gneiss       MM/barro   hard  Under schist, sometimes igneous
 minetest.register_node( "rocks:gneiss", {  
@@ -99,7 +99,7 @@ minetest.register_node( "rocks:gneiss", {
 	groups = {cracky=CcStrong, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "gneiss",{ gain=10, height=-21, limit=2, seed=6 }, "rocks:gneiss")
+rocks.register_layer( "gneiss",{ gain=10, height=-19, limit=2, seed=6 }, "rocks:gneiss")
 
 --
 -- peak rocks
@@ -112,7 +112,7 @@ minetest.register_node( "rocks:rhyolite", {
 	groups = {cracky=CcHard, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "rhyolite",{ gain=8, height=22, limit=2, seed=4 }, "rocks:rhyolite")
+rocks.register_layer( "rhyolite",{ gain=8, height=80, limit=2, seed=4 }, "rocks:rhyolite")
 
 -- Andesite     Ex/Inter   hard  Mountains, below rhyolite          
 minetest.register_node( "rocks:andesite", {  
@@ -121,6 +121,6 @@ minetest.register_node( "rocks:andesite", {
 	groups = {cracky=CcHard, stone=1}, 
 	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
 })
-rocks.register_layer( "andesite",{ gain=8, height=10, limit=2, seed=4 }, "rocks:andesite")
+rocks.register_layer( "andesite",{ gain=8, height=22, limit=2, seed=4 }, "rocks:andesite")
 
 print("[rocks/geologicaLayers] loaded.")

geologicaStrata.lua

@@ -12,26 +12,45 @@ rocks.register_vein("clay",{
         spread = {x=30, y=10, z=30},
         treshold=0.2, -- clay should be plenty
         seed = 9,
-        hmin=-8, hmax=nil,
         layers={ "mudstone" },
 })
 rocks.register_ore( "clay", "default:clay", {treshold=0, chance=85 } )
-rocks.register_ore( "clay", "default:torch", {treshold=0, chance=15 } )
 
 -- Breccia      Mixture    soft  in mudstone
 -- Conglomerate Sed        soft  in mudstone
--- Skarn        MM/contact med   in mudstone in mountains
+
--- Hornfels     MM/contact vhard in mudstone in mountains
--- Marble       MM/contact hard  in mudstone in mountains
 -- Limestone    Sed        med   in Rhyolite, Andesite in mountains
-rocks.register_vein("limestone",{
+minetest.register_node( "rocks:limestone", {  
-        spread = {x=10, y=10, z=10},
+	description = S("Limestone"),
-        treshold=0.75,
+	tiles = { "rocks_Limestone.png" },
-        seed = 10,
+	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
-        hmin=nil, hmax=nil,
+	groups = {cracky=CcMed, stone=1}, 
-        layers={ "mudstone" },
 })
+rocks.register_vein("limestone",{
+        spread = {x=60, y=60, z=60},
+        treshold=0.4,
+        seed = 10,
+        layers={ "rhyolite", "andesite" },
+})
+rocks.register_ore( "limestone", "rocks:limestone", {treshold=0, chance=100} )
+rocks.register_ore( "limestone", "default:torch", {treshold=0, chance=15 } )
+
 -- Dolomite     Sed        med   in Rhyolite, Andesite in mountains
+minetest.register_node( "rocks:dolomite", {  
+	description = S("Dolomite"),
+	tiles = { "rocks_Dolomite.png" },
+	is_ground_content = true, sounds = default.node_sound_stone_defaults(),
+	groups = {cracky=CcMed, stone=1}, 
+})
+rocks.register_vein("dolomite",{
+        spread = {x=60, y=60, z=60},
+        treshold=0.4,
+        seed = 11,
+        layers={ "rhyolite", "andesite" },
+})
+rocks.register_ore( "dolomite", "rocks:dolomite", {treshold=0, chance=100} )
+rocks.register_ore( "dolomite", "default:torch", {treshold=0, chance=15 } )
+
 -- Quartzite    MM/contact vhard sandstone
 
 print("[rocks/geologicaStrata] loaded.")

geologicaVeins.lua

@@ -7,5 +7,9 @@ local CcSoft=3
 -- Veins
 --
 
+-- Skarn        MM/contact med   in rhyo/ande in mountains
+-- Hornfels     MM/contact vhard in skarn
+-- Marble       MM/contact hard  in skarn
+-- Limestone    Sed        med   in skarn
 
 print("[rocks/geologicaVeins] loaded.")

mapgen.lua

@@ -87,6 +87,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
       if vd.nmap[noise3d_ix]>vd.treshold then
        vein=vd
        --rock not changed
+       break
       end
      end
     end

register.lua

@@ -19,14 +19,14 @@ rocks.register_layer=function(name,params,rock)
   gain=params.gain,
   height=params.height,
   maxheight=maxheight,
-  limit=((params.limit or 2)*params.gain)+params.height,
+  limit=(params.limit*params.gain)+params.height,
   seed=params.seed or 0,
   rock={ node=rock },
   veins={},
   name=name
  }
  rocks.layers_name[name]= ld
- print("[rocks] layer "..ld.name)
+ print("[rocks] layer "..ld.name.."height="..ld.height.." limit="..ld.limit)
 end
 
 rocks.register_vein=function(name,params)