initial commit

init.lua

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+-- Initial check to see if damage is enabled and peaceful mode active
+local damage_enabled = minetest.setting_getbool("enable_damage")
+
+-- Check if object is an entity that can die
+local function is_mortalentity(ref)
+	local refname = ref:get_luaentity().name or ""
+	local is_entity = minetest.registered_entities[refname]
+	if is_entity and refname ~= "__builtin:item" then
+		return true
+	else
+		return false
+	end
+end
+
+-- Cactus do damage now to living things and destroy droped items
+local function cactus_damage_fleshy(pos)
+	-- get all objects arround cactus
+	local objs = minetest.env:get_objects_inside_radius(pos, 1)
+	for i, obj in ipairs(objs) do
+		if damage_enabled then
+			if obj:is_player() or is_mortalentity(obj) then
+				obj:punch(obj, 1.0, {full_punch_interval=1,damage_groups = {fleshy=1}})
+				minetest.sound_play("poke", {gain = 0.05, pos = pos, object = obj})
+			elseif obj:get_luaentity().name == "__builtin:item" then
+					minetest.sound_play("poke", {gain = 0.05, pos = pos, object = obj})
+					obj:remove()
+			end
+		end
+	end
+end
+
+-- Attach new function to cactus
+minetest.register_abm({
+	nodenames = {"default:cactus"},
+	neighbors = {nil},
+	interval = 1.0,
+	chance = 1,
+	action = function(pos, node)
+		cactus_damage_fleshy(pos, node)
+	end,
+})
+

readme.txt

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+http://www.freesound.org/people/AlaskaRobotics/sounds/221091/