Fixups

init.lua

@@ -5,31 +5,37 @@ if minetest.get_mapgen_setting("mg_name") ~= "singlenode" then
 	minetest.log("warning", "[mapgen_rivers] Mapgen set to singlenode")
 end
 
-dofile(modpath .. 'settings.lua')
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+dofile(modpath .. '/settings.lua')
 
 local sfile = io.open(minetest.get_worldpath() .. '/river_data/size')
 if sfile then
 	sfile:close()
 else
-	dofile(modpath .. 'pregenerate.lua')
+	dofile(modpath .. '/pregenerate.lua')
 	collectgarbage()
 end
 
 mapgen_rivers.use_mapgen_thread = minetest.settings:get_bool("mapgen_rivers_use_mapgen_thread")
 mapgen_rivers.thread = 'main'
-if mapgen_rivers.use_mapgen_thread and minetest.register_mapgen_dofile then
-	minetest.register_mapgen_dofile(modpath .. 'mapgen.lua')
+if mapgen_rivers.use_mapgen_thread then
+	if minetest.register_mapgen_dofile then
+		minetest.register_mapgen_dofile(modpath .. '/mapgen.lua')
 	else
 		minetest.log("warning", "[mapgen_rivers] Mapgen thread not available on this Minetest version.")
 		mapgen_rivers.use_mapgen_thread = false
-	dofile(modpath .. 'mapgen.lua')
+	end
+end
+
+if not mapgen_rivers.use_mapgen_thread then
+	dofile(modpath .. '/mapgen.lua')
 end
 
 -- Setup a metatable to load grid on request if not present
 local mt = {
 	__index = function(_, field)
 		if field == 'grid' then
-			dofile(modpath .. 'load_grid.lua')
+			dofile(modpath .. '/load_grid.lua')
 			return mapgen_rivers.grid
 		end
 	end,

load_grid.lua

@@ -12,7 +12,7 @@ else
 	use_interactive_loader = not minetest.settings:get_bool("mapgen_rivers_load_all")
 end
 
-if mapgen_rivers.use_interactive_loader then
+if use_interactive_loader then
 	local loader_mt = {
 		__index = function(loader, i)
 			local file = loader.file
@@ -61,6 +61,7 @@ else
 
 		for i=1, size do
 			local i0 = (i-1)*bytes+1
+			local i1 = i*bytes
 			local elements = {data:byte(i0, i1)}
 			local n = sbyte(data, i0)
 			if signed and n >= 128 then
@@ -85,7 +86,7 @@ else
 	end
 end
 
-local sfile = io.open(world_data_path..'size', 'r')
+local sfile = io.open(datapath..'size', 'r')
 assert(sfile)
 local X, Z = tonumber(sfile:read('*l')), tonumber(sfile:read('*l'))
 sfile:close()
@@ -96,7 +97,7 @@ end
 
 mapgen_rivers.grid = {
 	size = {x=X, y=Z},
-	dem = load_map('dem', 2, true X*Z),
+	dem = load_map('dem', 2, true, X*Z),
 	lakes = load_map('lakes', 2, true, X*Z),
 	dirs = load_map('dirs', 1, false, X*Z),
 	rivers = load_map('rivers', 4, false, X*Z),

mapgen.lua

@@ -10,7 +10,7 @@ end
 
 local settings = mapgen_rivers.settings
 
-local sea_level = tonumber(settings:get('sea_level'))
+local sea_level = tonumber(minetest.get_mapgen_setting("water_level"))
 local elevation_chill = tonumber(settings:get('elevation_chill'))
 local use_distort = settings:get_bool('distort')
 local use_biomes = settings:get_bool('biomes')
@@ -24,9 +24,9 @@ local noiseparams = {
 }
 
 if use_biomes then
-	noiseparams.heat = minetest.get_mapgen_setting_noiseparams("np_heat")
+	noiseparams.heat = minetest.get_mapgen_setting_noiseparams("mg_biome_np_heat")
 	noiseparams.heat.offset = noiseparams.heat.offset + sea_level / elevation_chill
-	noiseparams.heat_blend = minetest.get_mapgen_setting_noiseparams("np_heat_blend")
+	noiseparams.heat_blend = minetest.get_mapgen_setting_noiseparams("mg_biome_np_heat_blend")
 end
 
 if use_biomegen_mod then

polygons.lua

@@ -39,7 +39,7 @@ local function get_temperature(x, y, z)
 end
 
 local glaciers = settings:get_bool('glaciers')
-local glacier_factor = tonumber(settings:get('glacier_factor')
+local glacier_factor = tonumber(settings:get('glacier_factor'))
 
 local init = false
 

pregenerate.lua

@@ -23,8 +23,10 @@ local niter = math.ceil(time/time_step)
 time_step = time / niter
 
 -- Setup the model
-local grid = mapgen_rivers.grid
-local size = grid.size
+local size = {
+	x = tonumber(mapgen_rivers.settings:get("grid_x_size")),
+	y = tonumber(mapgen_rivers.settings:get("grid_z_size")),
+}
 
 local seed = tonumber(minetest.get_mapgen_setting("seed"))
 np_base.seed = (np_base.seed or 0) + seed
@@ -69,7 +71,7 @@ for i=1, size.x*size.y do
 end
 
 -- Write the results in the world directory
-local datapath = minetest.get_worldpath .. "/river_data/"
+local datapath = minetest.get_worldpath() .. "/river_data/"
 minetest.mkdir(datapath)
 
 local function write_map(filename, data, bytes)
@@ -118,7 +120,7 @@ end
 
 if not use_interactive_loader then
     mapgen_rivers.grid = {
-        size = {x=size_x, y=size_y},
+        size = size,
 	    dem = model.dem,
 	    lakes = model.lakes,
 	    dirs = model.dirs,

settings.lua

@@ -43,7 +43,7 @@ local function verify_setting(name, dtype, default)
 			v = mtsettings:get(mtname)
 		end
 		settings:set_bool(name, v)
-	elseif dtype = "noise" then
+	elseif dtype == "noise" then
 		if mthas then
 			v = mtsettings:get_np_group(mtname)
 		end

terrainlib_lua/erosion.lua

@@ -123,7 +123,7 @@ end
 
 local modpath = ""
 if minetest then
-	modpath = minetest.get_modpath(minetest.get_current_modname()) .. "terrainlib_lua/"
+	modpath = minetest.get_modpath(minetest.get_current_modname()) .. "/terrainlib_lua/"
 end
 
 local rivermapper = dofile(modpath .. "rivermapper.lua")