Ajout de plusieurs mods personnalisés

nalc_weather/depends.txt

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+weather_pack

nalc_weather/init.lua

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+if minetest.global_exists("hw_utils") then
+	local np_temp = {
+		offset = 50,
+		scale = 50,
+		spread = {x = 500, y = 500, z = 500},
+		seed = 5349,
+		octaves = 3,
+		persist = 0.5,
+		lacunarity = 2.0
+	}
+
+	local np_humid = {
+		offset = 50,
+		scale = 50,
+		spread = {x = 500, y = 500, z = 500},
+		seed = 842,
+		octaves = 3,
+		persist = 0.5,
+		lacunarity = 2.0
+	}
+
+	local is_biome_frozen = function(position)
+		local posx = math.floor(position.x)
+		local posz = math.floor(position.z)
+		local noise_obj = minetest.get_perlin(np_temp)
+		local noise_temp = noise_obj:get2d({x = posx, y = posz})
+
+		-- below 35 heat biome considered to be frozen type
+		return noise_temp < 35
+	end
+
+	hw_utils.is_biome_frozen = function(position)
+		return is_biome_frozen(position)
+	end
+
+	local is_biome_dry = function(position)
+		local posx = math.floor(position.x)
+		local posz = math.floor(position.z)
+		local noise_obj = minetest.get_perlin(np_humid)
+		local noise_humid = noise_obj:get2d({x = posx, y = posz})
+
+		-- below 50 humid biome considered to be dry type (at least by this mod)
+		return noise_humid < 50
+	end
+
+	hw_utils.is_biome_dry = function(position)
+		return is_biome_dry(position)
+	end
+
+	local is_biome_tropic = function(position)
+		local posx = math.floor(position.x)
+		local posz = math.floor(position.z)
+		local noise_obj = minetest.get_perlin(np_humid)
+		local noise_humid = noise_obj:get2d({x = posx, y = posz})
+		noise_obj = minetest.get_perlin(np_temp)
+		local noise_temp = noise_obj:get2d({x = posx, y = posz})
+
+		-- humid and temp values are taked by testing flying around world (not sure actually)
+		return noise_humid > 55 and noise_temp > 80
+	end
+
+	hw_utils.is_biome_tropic = function(position)
+		return is_biome_tropic(position)
+	end
+
+end