Prevent tools & nodes from being dropped (#11)

Adds a function to message a player that they cannot drop tools/nodes registered by maptools

default_nodes.lua

@@ -17,6 +17,7 @@ minetest.register_node("maptools:stone", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:stonebrick", {
@@ -27,6 +28,7 @@ minetest.register_node("maptools:stonebrick", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:tree", {
@@ -37,7 +39,8 @@ minetest.register_node("maptools:tree", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
-	on_place = minetest.rotate_node
+	on_place = minetest.rotate_node,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:jungletree", {
@@ -48,7 +51,8 @@ minetest.register_node("maptools:jungletree", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
-	on_place = minetest.rotate_node
+	on_place = minetest.rotate_node,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:cactus", {
@@ -59,7 +63,8 @@ minetest.register_node("maptools:cactus", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
-	on_place = minetest.rotate_node
+	on_place = minetest.rotate_node,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:papyrus", {
@@ -80,6 +85,7 @@ minetest.register_node("maptools:papyrus", {
 	},
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_leaves_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:dirt", {
@@ -90,6 +96,7 @@ minetest.register_node("maptools:dirt", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_dirt_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:wood", {
@@ -100,6 +107,7 @@ minetest.register_node("maptools:wood", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:junglewood", {
@@ -110,6 +118,7 @@ minetest.register_node("maptools:junglewood", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:glass", {
@@ -123,6 +132,7 @@ minetest.register_node("maptools:glass", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_glass_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:leaves", {
@@ -135,6 +145,7 @@ minetest.register_node("maptools:leaves", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_leaves_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:sand", {
@@ -145,6 +156,7 @@ minetest.register_node("maptools:sand", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_sand_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:gravel", {
@@ -158,6 +170,7 @@ minetest.register_node("maptools:gravel", {
 		footstep = {name="default_gravel_footstep", gain=0.35},
 		dug = {name="default_gravel_footstep", gain=0.6},
 	}),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:clay", {
@@ -168,6 +181,7 @@ minetest.register_node("maptools:clay", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_dirt_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:desert_sand", {
@@ -178,6 +192,7 @@ minetest.register_node("maptools:desert_sand", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_sand_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:sandstone", {
@@ -188,6 +203,7 @@ minetest.register_node("maptools:sandstone", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:sandstone_brick", {
@@ -198,6 +214,7 @@ minetest.register_node("maptools:sandstone_brick", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:desert_stone", {
@@ -208,6 +225,7 @@ minetest.register_node("maptools:desert_stone", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:desert_cobble", {
@@ -218,6 +236,7 @@ minetest.register_node("maptools:desert_cobble", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:desert_stonebrick", {
@@ -228,6 +247,7 @@ minetest.register_node("maptools:desert_stonebrick", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:grass", {
@@ -241,6 +261,7 @@ minetest.register_node("maptools:grass", {
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name="default_grass_footstep", gain = 0.4},
 	}),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fullgrass", {
@@ -253,6 +274,7 @@ minetest.register_node("maptools:fullgrass", {
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name="default_grass_footstep", gain=0.4},
 	}),
+	on_drop = maptools.drop_msg
 })
 
 for slab_num = 1,3,1 do
@@ -272,6 +294,7 @@ for slab_num = 1,3,1 do
 		drop = "",
 		groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 		sounds = default.node_sound_dirt_defaults({footstep = {name="default_grass_footstep", gain = 0.4}}),
+		on_drop = maptools.drop_msg
 	})
 end
 
@@ -283,6 +306,7 @@ minetest.register_node("maptools:cobble", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:mossycobble", {
@@ -293,6 +317,7 @@ minetest.register_node("maptools:mossycobble", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:brick", {
@@ -303,6 +328,7 @@ minetest.register_node("maptools:brick", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:coalblock", {
@@ -313,6 +339,7 @@ minetest.register_node("maptools:coalblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 
@@ -324,6 +351,7 @@ minetest.register_node("maptools:steelblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:goldblock", {
@@ -334,6 +362,7 @@ minetest.register_node("maptools:goldblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:copperblock", {
@@ -344,6 +373,7 @@ minetest.register_node("maptools:copperblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:bronzeblock", {
@@ -354,6 +384,7 @@ minetest.register_node("maptools:bronzeblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:diamondblock", {
@@ -364,6 +395,7 @@ minetest.register_node("maptools:diamondblock", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 -- Farming:
@@ -376,6 +408,7 @@ minetest.register_node("maptools:soil_wet", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, soil = 3, wet = 1, grassland = 1},
 	sounds = default.node_sound_dirt_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:desert_sand_soil_wet", {
@@ -386,4 +419,5 @@ minetest.register_node("maptools:desert_sand_soil_wet", {
 	tiles = {"farming_desert_sand_soil_wet.png", "farming_desert_sand_soil_wet_side.png"},
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, soil = 3, wet = 1, desert = 1},
 	sounds = default.node_sound_sand_defaults(),
+	on_drop = maptools.drop_msg
 })

init.lua

@@ -20,6 +20,11 @@ maptools.intllib = S
 
 local modpath = minetest.get_modpath("maptools")
 
+maptools.drop_msg = function(itemstack, player)
+	local name = player:get_player_name()
+	minetest.chat_send_player(name, S("[maptools] tools/nodes do not drop!"))
+end
+
 dofile(modpath .. "/config.lua")
 dofile(modpath .. "/aliases.lua")
 dofile(modpath .. "/craftitems.lua")

nodes.lua

@@ -16,6 +16,7 @@ minetest.register_node(":default:cloud", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 -- Nodes
@@ -30,6 +31,7 @@ minetest.register_node("maptools:black", {
 	post_effect_color = {a=255, r=0, g=0, b=0},
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:white", {
@@ -41,6 +43,7 @@ minetest.register_node("maptools:white", {
 	post_effect_color = {a=255, r=128, g=128, b=128},
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_stone_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:playerclip", {
@@ -54,6 +57,7 @@ minetest.register_node("maptools:playerclip", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fake_walkable", {
@@ -74,6 +78,7 @@ minetest.register_node("maptools:fake_walkable", {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fullclip", {
@@ -86,6 +91,7 @@ minetest.register_node("maptools:fullclip", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fake_walkable_pointable", {
@@ -105,6 +111,7 @@ minetest.register_node("maptools:fake_walkable_pointable", {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:ignore_like", {
@@ -117,6 +124,7 @@ minetest.register_node("maptools:ignore_like", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:ignore_like_no_clip", {
@@ -130,6 +138,7 @@ minetest.register_node("maptools:ignore_like_no_clip", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 
@@ -144,6 +153,7 @@ minetest.register_node("maptools:ignore_like_no_point", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:ignore_like_no_clip_no_point", {
@@ -158,6 +168,7 @@ minetest.register_node("maptools:ignore_like_no_clip_no_point", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fullclip_face", {
@@ -176,6 +187,7 @@ minetest.register_node("maptools:fullclip_face", {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, fall_damage_add_percent=-100},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:playerclip_bottom", {
@@ -194,6 +206,7 @@ minetest.register_node("maptools:playerclip_bottom", {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, fall_damage_add_percent=-100},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:playerclip_top", {
@@ -212,6 +225,7 @@ minetest.register_node("maptools:playerclip_top", {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, fall_damage_add_percent=-100},
+	on_drop = maptools.drop_msg
 })
 
 for pusher_num=1,10,1 do
@@ -231,6 +245,7 @@ minetest.register_node("maptools:pusher_" .. pusher_num, {
 	},
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative, fall_damage_add_percent=-100, bouncy=pusher_num*100},
+	on_drop = maptools.drop_msg
 })
 end
 
@@ -247,6 +262,7 @@ minetest.register_node("maptools:lightbulb", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:nobuild", {
@@ -261,6 +277,7 @@ minetest.register_node("maptools:nobuild", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:nointeract", {
@@ -274,6 +291,7 @@ minetest.register_node("maptools:nointeract", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:climb", {
@@ -289,6 +307,7 @@ minetest.register_node("maptools:climb", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 for damage_num=1,5,1 do
@@ -305,6 +324,7 @@ minetest.register_node("maptools:damage_" .. damage_num, {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 end
 
@@ -321,6 +341,7 @@ minetest.register_node("maptools:kill", {
 	sunlight_propagates = true,
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:smoke", {
@@ -334,6 +355,7 @@ minetest.register_node("maptools:smoke", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	post_effect_color = {a=192, r=96, g=96, b=96},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:ladder", {
@@ -354,6 +376,7 @@ minetest.register_node("maptools:ladder", {
 	drop = "",
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sounds = default.node_sound_wood_defaults(),
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:permanent_fire", {
@@ -373,6 +396,7 @@ minetest.register_node("maptools:permanent_fire", {
 	sunlight_propagates = true,
 	walkable = false,
 	damage_per_second = 4,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:fake_fire", {
@@ -391,6 +415,7 @@ minetest.register_node("maptools:fake_fire", {
 	groups = {unbreakable = 1, not_in_creative_inventory = maptools.creative},
 	sunlight_propagates = true,
 	walkable = false,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:igniter", {
@@ -406,6 +431,7 @@ minetest.register_node("maptools:igniter", {
 	sunlight_propagates = true,
 	pointable = false,
 	walkable = false,
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_node("maptools:superapple", {
@@ -426,4 +452,5 @@ minetest.register_node("maptools:superapple", {
 	groups = {fleshy=3, dig_immediate=3, not_in_creative_inventory = maptools.creative},
 	on_use = minetest.item_eat(20),
 	sounds = default.node_sound_defaults(),
+	on_drop = maptools.drop_msg
 })

tools.lua

@@ -28,6 +28,7 @@ minetest.register_tool("maptools:pick_admin", {
 		},
 		damage_groups = {fleshy = 1000},
 	},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_tool("maptools:pick_admin_with_drops", {
@@ -49,6 +50,7 @@ minetest.register_tool("maptools:pick_admin_with_drops", {
 		},
 		damage_groups = {fleshy = 1000},
 	},
+	on_drop = maptools.drop_msg
 })
 
 minetest.register_on_punchnode(function(pos, node, puncher)