Remove weird constants in default

mods/default/init.lua

@@ -1,16 +1,13 @@
 -- Minetest 0.4 mod: default
 -- See README.txt for licensing and other information.
 
--- The API documentation in here was moved into doc/lua_api.txt
-
-WATER_ALPHA = 160
-WATER_VISC = 1
-LAVA_VISC = 7
-LIGHT_MAX = 14
+-- The API documentation in here was moved into game_api.txt
 
 -- Definitions made by this mod that other mods can use too
 default = {}
 
+default.LIGHT_MAX = 14
+
 -- GUI related stuff
 default.gui_bg = "bgcolor[#080808BB;true]"
 default.gui_bg_img = "background[5,5;1,1;gui_formbg.png;true]"
@@ -46,3 +43,9 @@ dofile(minetest.get_modpath("default").."/mapgen.lua")
 dofile(minetest.get_modpath("default").."/player.lua")
 dofile(minetest.get_modpath("default").."/trees.lua")
 dofile(minetest.get_modpath("default").."/aliases.lua")
+
+-- Legacy:
+WATER_ALPHA = minetest.registered_nodes["default:water_source"].alpha
+WATER_VISC = minetest.registered_nodes["default:water_source"].liquid_viscosity
+LAVA_VISC = minetest.registered_nodes["default:lava_source"].liquid_viscosity
+LIGHT_MAX = default.LIGHT_MAX

mods/default/nodes.lua

@@ -547,7 +547,7 @@ minetest.register_node("default:water_flowing", {
 			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
 		},
 	},
-	alpha = WATER_ALPHA,
+	alpha = 160,
 	paramtype = "light",
 	paramtype2 = "flowingliquid",
 	walkable = false,
@@ -559,7 +559,7 @@ minetest.register_node("default:water_flowing", {
 	liquidtype = "flowing",
 	liquid_alternative_flowing = "default:water_flowing",
 	liquid_alternative_source = "default:water_source",
-	liquid_viscosity = WATER_VISC,
+	liquid_viscosity = 1,
 	post_effect_color = {a=64, r=100, g=100, b=200},
 	groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1},
 })
@@ -579,7 +579,7 @@ minetest.register_node("default:water_source", {
 			backface_culling = false,
 		}
 	},
-	alpha = WATER_ALPHA,
+	alpha = 160,
 	paramtype = "light",
 	walkable = false,
 	pointable = false,
@@ -590,7 +590,7 @@ minetest.register_node("default:water_source", {
 	liquidtype = "source",
 	liquid_alternative_flowing = "default:water_flowing",
 	liquid_alternative_source = "default:water_source",
-	liquid_viscosity = WATER_VISC,
+	liquid_viscosity = 1,
 	post_effect_color = {a=64, r=100, g=100, b=200},
 	groups = {water=3, liquid=3, puts_out_fire=1},
 })
@@ -614,7 +614,7 @@ minetest.register_node("default:lava_flowing", {
 	},
 	paramtype = "light",
 	paramtype2 = "flowingliquid",
-	light_source = LIGHT_MAX - 1,
+	light_source = default.LIGHT_MAX - 1,
 	walkable = false,
 	pointable = false,
 	diggable = false,
@@ -624,7 +624,7 @@ minetest.register_node("default:lava_flowing", {
 	liquidtype = "flowing",
 	liquid_alternative_flowing = "default:lava_flowing",
 	liquid_alternative_source = "default:lava_source",
-	liquid_viscosity = LAVA_VISC,
+	liquid_viscosity = 7,
 	liquid_renewable = false,
 	damage_per_second = 4*2,
 	post_effect_color = {a=192, r=255, g=64, b=0},
@@ -647,7 +647,7 @@ minetest.register_node("default:lava_source", {
 		}
 	},
 	paramtype = "light",
-	light_source = LIGHT_MAX - 1,
+	light_source = default.LIGHT_MAX - 1,
 	walkable = false,
 	pointable = false,
 	diggable = false,
@@ -657,7 +657,7 @@ minetest.register_node("default:lava_source", {
 	liquidtype = "source",
 	liquid_alternative_flowing = "default:lava_flowing",
 	liquid_alternative_source = "default:lava_source",
-	liquid_viscosity = LAVA_VISC,
+	liquid_viscosity = 7,
 	liquid_renewable = false,
 	damage_per_second = 4*2,
 	post_effect_color = {a=192, r=255, g=64, b=0},
@@ -680,7 +680,7 @@ minetest.register_node("default:torch", {
 	sunlight_propagates = true,
 	is_ground_content = false,
 	walkable = false,
-	light_source = LIGHT_MAX-1,
+	light_source = default.LIGHT_MAX - 1,
 	selection_box = {
 		type = "wallmounted",
 		wall_top = {-0.1, 0.5-0.6, -0.1, 0.1, 0.5, 0.1},