commit 41f60c96a0c0242d3f2a4d352cbb47306c85d1fc
Author: Wuzzy <Wuzzy2@mail.ru>
Date:   Sat Dec 19 21:56:22 2020 +0100

    Initial commit

diff --git a/README.md b/README.md
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+# Disable Fall Damage [`no_fall_damage`]
+Version: 1.0.0
+
+This mod disables fall damage completely.
+
+## Technical notes
+This mod only works if no other mod overwrites the
+`fall_damage_add_percent` group (unlikely).
+
+## License
+This mod is licenced under the MIT License.
diff --git a/init.lua b/init.lua
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+++ b/init.lua
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+-- Removing fall damage is done by overwriting the group
+-- fall_damage_add_percent of all nodes. ]]
+function remove_fall_damage()
+	for itemstring, def in pairs(minetest.registered_nodes) do
+		local groups = def.groups and table.copy(def.groups)
+		if groups then
+			groups.fall_damage_add_percent = -100
+			-- Let's hack the node!
+			minetest.override_item(itemstring, { groups = groups })
+		end
+	end
+end
+
+minetest.register_on_mods_loaded(remove_fall_damage)
diff --git a/mod.conf b/mod.conf
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+name = no_fall_damage
+description = Disables fall damage.