mods/CORE/mcl_mapgen/init.lua

@@ -480,7 +480,6 @@ function mcl_mapgen.get_voxel_manip(vm_context)
 	return vm_context.vm
 end
 
-local CS_NODES = mcl_mapgen.CS_NODES
 function mcl_mapgen.clamp_to_chunk(x, size)
 	if not size then
 		minetest.log("warning", "[mcl_mapgen] Couldn't clamp " .. tostring(x) .. " - missing size")
@@ -504,6 +503,11 @@ function mcl_mapgen.clamp_to_chunk(x, size)
 	end
 	return x - overflow
 end
+
 function mcl_mapgen.get_chunk_beginning(x)
 	return x - ((x + central_chunk_min_pos) % CS_NODES)
 end
+
+function mcl_mapgen.get_chunk_ending(x)
+	return mcl_mapgen.get_chunk_beginning(x) + LAST_NODE_IN_CHUNK
+end

mods/MAPGEN/mcl_villages/buildings.lua

@@ -1,62 +1,3 @@
---[[
--------------------------------------------------------------------------------
--- build schematic, replace material, rotation
--------------------------------------------------------------------------------
-function settlements.build_schematic(vm, data, va, pos, building, replace_wall, name)
-  -- get building node material for better integration to surrounding
-  local platform_material =  mcl_vars.get_node(pos)
-  if not platform_material or (platform_material.name == "air" or platform_material.name == "ignore")  then
-    return
-  end
-  platform_material = platform_material.name
-  -- pick random material
-  local material = wallmaterial[math.random(1,#wallmaterial)]
-  -- schematic conversion to lua
-  local schem_lua = minetest.serialize_schematic(building,
-    "lua",
-    {lua_use_comments = false, lua_num_indent_spaces = 0}).." return schematic"
-  -- replace material
-  if replace_wall == "y" then
-    schem_lua = schem_lua:gsub("mcl_core:cobble", material)
-  end
-  schem_lua = schem_lua:gsub("mcl_core:dirt_with_grass",
-    platform_material)
-
---  Disable special junglewood for now.
- -- special material for spawning npcs
- -- schem_lua = schem_lua:gsub("mcl_core:junglewood",
- --   "settlements:junglewood")
---
-
-  -- format schematic string
-  local schematic = loadstring(schem_lua)()
-  -- build foundation for the building an make room above
-  local width = schematic["size"]["x"]
-  local depth = schematic["size"]["z"]
-  local height = schematic["size"]["y"]
-  local possible_rotations = {"0", "90", "180", "270"}
-  local rotation = possible_rotations[ math.random( #possible_rotations ) ]
-  settlements.foundation(
-    pos,
-    width,
-    depth,
-    height,
-    rotation)
-  vm:set_data(data)
-  -- place schematic
-
-  minetest.place_schematic_on_vmanip(
-    vm,
-    pos,
-    schematic,
-    rotation,
-    nil,
-    true)
-  vm:write_to_map(true)
-end]]
--------------------------------------------------------------------------------
--- initialize settlement_info
--------------------------------------------------------------------------------
 function settlements.initialize_settlement_info(pr)
 	local count_buildings = {}
 
@@ -75,18 +16,14 @@ end
 -------------------------------------------------------------------------------
 -- fill settlement_info
 --------------------------------------------------------------------------------
-function settlements.create_site_plan(maxp, minp, pr)
+local possible_rotations = {"0", "90", "180", "270"}
+function settlements.create_site_plan(minp, maxp, pr)
 	local settlement_info = {}
 	local building_all_info
-	local possible_rotations = {"0", "90", "180", "270"}
 	-- find center of chunk
-	local center = {
-		x=math.floor((minp.x+maxp.x)/2),
-		y=maxp.y,
-		z=math.floor((minp.z+maxp.z)/2)
-	}
+	local center = vector.add(minp, mcl_mapgen.HALF_CS_NODES)
 	-- find center_surface of chunk
-	local center_surface , surface_material = settlements.find_surface(center, true)
+	local center_surface , surface_material = settlements.find_surface(center)
 	local chunks = {}
 	chunks[mcl_mapgen.get_chunk_number(center)] = true
 
@@ -130,7 +67,7 @@ function settlements.create_site_plan(maxp, minp, pr)
 				pos_surface, surface_material = settlements.find_surface(pos1)
 			else
 				chunks[chunk_number] = true
-				pos_surface, surface_material = settlements.find_surface(pos1, true)
+				pos_surface, surface_material = settlements.find_surface(pos1)
 			end
 			if not pos_surface then break end
 

mods/MAPGEN/mcl_villages/init.lua

@@ -59,7 +59,7 @@ local function build_a_settlement(minp, maxp, blockseed)
 	local pr = PseudoRandom(blockseed)
 
 	-- fill settlement_info with buildings and their data
-	local settlement_info = settlements.create_site_plan(maxp, minp, pr)
+	local settlement_info = settlements.create_site_plan(minp, maxp, pr)
 	if not settlement_info then return end
 
 	-- evaluate settlement_info and prepair terrain
@@ -74,33 +74,37 @@ end
 
 -- Disable natural generation in singlenode.
 local mg_name = minetest.get_mapgen_setting("mg_name")
+local scan_last_node = (mcl_mapgen.CS - 2) * mcl_mapgen.BS - 1
+local scan_offset = mcl_mapgen.BS
 if mg_name ~= "singlenode" then
 	mcl_mapgen.register_mapgen(function(minp, maxp, blockseed)
 		-- local str1 = (maxp.y >= 0 and blockseed % 77 == 17) and "YES" or "no"
 		-- minetest.log("action","[mcl_villages] " .. str1 .. ": minp=" .. minetest.pos_to_string(minp) .. ", maxp=" .. minetest.pos_to_string(maxp) .. ", blockseed=" .. tostring(blockseed))
 		-- don't build settlement underground
-		if maxp.y < 0 then return end
+		local y_max = maxp.y
+		if y_max < -30 then return end
 		-- randomly try to build settlements
-		if blockseed % 77 ~= 17 then return end
+		-- if blockseed % 77 ~= 17 then return end
 
 		-- don't build settlements on (too) uneven terrain
 
 		-- lame and quick replacement of `heightmap` by kay27 - we maybe need to restore `heightmap` analysis if there will be a way for the engine to avoid cavegen conflicts:
 		--------------------------------------------------------------------------
-		local height_difference, min, max
-		local pr1=PseudoRandom(blockseed)
-		for i=1,pr1:next(5,10) do
-			local x = pr1:next(0, 40) + minp.x + 19
-			local z = pr1:next(0, 40) + minp.z + 19
-			local y = minetest_get_spawn_level(x, z)
-			if not y then return end
-			if y < (min or y+1) then min = y end
-			if y > (max or y-1) then max = y end
+		local min, max = 9999999, -9999999
+		local pr = PseudoRandom(blockseed)
+		for i = 1, pr:next(5,10) do
+			local pos = vector.add(vector.new(pr:next(0, scan_last_node) + scan_offset, 0, pr:next(0, scan_last_node) + scan_offset), minp)
+			local surface_point = settlements.find_surface(pos)
+			if not surface_point then return end
+			local y = surface_point.y
+			min = math.min(y, min)
+			max = math.max(y, max)
 		end
-		height_difference = max - min + 1
+		local height_difference = max - min
 		--------------------------------------------------------------------------
 
-		if height_difference > max_height_difference then return end
+		minetest.chat_send_all("height diff="..height_difference)
+		if height_difference > 10 then return end
 
 		build_a_settlement(minp, maxp, blockseed)
 	end, mcl_mapgen.order.VILLAGES)

mods/MAPGEN/mcl_villages/mod.conf

@@ -1,5 +1,5 @@
 name = mcl_villages
-author = Rochambeau
+author = Rochambeau, MysticTempest, kay27
 description = This mod adds settlements on world generation.
-depends = mcl_util, mcl_mapgen_core, mcl_structures, mcl_core, mcl_loot
+depends = mcl_util, mcl_mapgen_core, mcl_structures, mcl_core, mcl_loot, mcl_mapgen
 optional_depends = mcl_farming, mobs_mc

mods/MAPGEN/mcl_villages/utils.lua

@@ -1,4 +1,4 @@
-local get_node = mcl_mapgen.get_far_node
+local get_node = minetest.get_node
 
 -------------------------------------------------------------------------------
 -- function to copy tables
@@ -22,55 +22,36 @@ end
 -- function to find surface block y coordinate
 -- returns surface postion
 -------------------------------------------------------------------------------
-function settlements.find_surface(pos, wait)
+function settlements.find_surface(pos)
 	local p6 = vector.new(pos)
-	local cnt = 0
-	local itter = 1 -- count up or down
-	local cnt_max = 200
-	-- check, in which direction to look for surface
-	local surface_node
-	if wait then
-		surface_node = get_node(p6, true, 10000000)
-	else
-		surface_node = get_node(p6)
-	end
-	if surface_node.name=="air" or surface_node.name=="ignore" then
-		itter = -1
-	end
-	-- go through nodes an find surface
-	while cnt < cnt_max do
-		-- Check Surface_node and Node above
-		--
-		if settlements.surface_mat[surface_node.name] then
-			local surface_node_plus_1 = get_node({ x=p6.x, y=p6.y+1, z=p6.z})
-			if surface_node_plus_1 and surface_node and
-				(string.find(surface_node_plus_1.name,"air") or
-				string.find(surface_node_plus_1.name,"snow") or
-				string.find(surface_node_plus_1.name,"fern") or
-				string.find(surface_node_plus_1.name,"flower") or
-				string.find(surface_node_plus_1.name,"bush") or
-				string.find(surface_node_plus_1.name,"tree") or
-				string.find(surface_node_plus_1.name,"grass"))
-				then
-					settlements.debug("find_surface7: " ..surface_node.name.. " " .. surface_node_plus_1.name)
-					return p6, surface_node.name
-			else
-				settlements.debug("find_surface2: wrong surface+1")
-			end
-		else
-			settlements.debug("find_surface3: wrong surface "..surface_node.name.." at pos "..minetest.pos_to_string(p6))
+	p6.y = mcl_mapgen.get_chunk_ending(p6.y)
+	local ymin = mcl_mapgen.get_chunk_beginning(p6.y)
+	local node = get_node(p6)
+	minetest.chat_send_all(node.name)
+	if node.name ~= "air" then return end
+	while true do
+		p6.y = p6.y - 1
+		if p6.y < ymin then return end
+		node = get_node(p6)
+		if settlements.surface_mat[node.name] then
+			break
 		end
+	end
+	minetest.chat_send_all(node.name)
 
-		p6.y = p6.y + itter
-		if p6.y < 0 then
-			settlements.debug("find_surface4: y<0")
-			return nil
-		end
-		cnt = cnt+1
-		surface_node = get_node(p6)
+	local prev_node = minetest.get_node(vector.new(p6.x, p6.y + 1, p6.z))
+	local name = prev_node.name
+	if (string.find(name, "air")
+		or string.find(name, "snow")
+		or string.find(name, "fern")
+		or string.find(name, "flower")
+		or string.find(name, "bush")
+		or string.find(name, "tree")
+		or string.find(name, "grass")
+	) then
+		minetest.chat_send_all("found! "..node.name..", "..minetest.pos_to_string(p6))
+		return p6, node.name
 	end
-	settlements.debug("find_surface5: cnt_max overflow")
-	return nil
 end
 -------------------------------------------------------------------------------
 -- check distance for new building