Add mcl_tridents mod by j45

mods/ITEMS/mcl_tridents/README.md

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+# mcl_tridents by j45
+
+Adds tridents to MineClone2.

mods/ITEMS/mcl_tridents/init.lua

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+local S = minetest.get_translator("mcl_tridents")
+local cooldown = {}
+
+minetest.register_on_joinplayer(function(player)
+	cooldown[player:get_player_name()] = false
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	cooldown[player:get_player_name()] = false
+end)
+
+local GRAVITY = 9.81
+local TRIDENT_DURABILITY = 251
+local TRIDENT_COOLDOWN = 0.91
+
+local TRIDENT_ENTITY = {
+	physical = true,
+	pointable = false,
+	visual = "mesh",
+	mesh = "mcl_trident.obj",
+	visual_size = {x=-1, y=1},
+	textures = {"mcl_trident.png"},
+	collisionbox = {-.1, -.1, -1, .1, .1, 0.5},
+	collide_with_objects = true,
+	_fire_damage_resistant = true,
+
+	_lastpos={},
+	_startpos=nil,
+	_damage=8,	-- Damage on impact
+	_is_critical=false,
+	_stuck=false,   -- Whether arrow is stuck
+	_stucktimer=nil,-- Amount of time (in seconds) the arrow has been stuck so far
+	_stuckrechecktimer=nil,-- An additional timer for periodically re-checking the stuck status of an arrow
+	_stuckin=nil,	--Position of node in which arow is stuck.
+	_shooter=nil,	-- ObjectRef of player or mob who shot it
+
+	_viscosity=0,   -- Viscosity of node the arrow is currently in
+	_deflection_cooloff=0, -- Cooloff timer after an arrow deflection, to prevent many deflections in quick succession
+}
+
+minetest.register_entity("mcl_tridents:trident_entity", TRIDENT_ENTITY)
+
+local spawn_trident = function(player)
+	local wielditem = player:get_wielded_item()
+	local obj = minetest.add_entity(vector.add(player:get_pos(), {x = 0, y = 1.5, z = 0}), "mcl_tridents:trident_entity")
+	local yaw = player:get_look_horizontal()+math.pi/2
+	
+	if cooldown[player:get_player_name()] then
+		return
+	end
+	
+	cooldown[player:get_player_name()] = true
+	
+	minetest.after(TRIDENT_COOLDOWN, function()
+		cooldown[player:get_player_name()] = false
+	end)
+	
+	if obj then
+		local durability = TRIDENT_DURABILITY
+		local unbreaking = mcl_enchanting.get_enchantment(wielditem, "unbreaking")
+		if unbreaking > 0 then
+			durability = durability * (unbreaking + 1)
+		end
+		wielditem:add_wear(65535/durability)
+		minetest.chat_send_all(wielditem:get_wear())
+		obj:set_velocity(vector.multiply(player:get_look_dir(), 20))
+		obj:set_acceleration({x=0, y=-GRAVITY, z=0})
+		obj:set_yaw(yaw)
+	end
+end
+
+
+minetest.register_tool("mcl_tridents:trident", {
+	description = S("Trident"),
+	_tt_help = S("Launches a trident when you rightclick and it is in your hand"),
+	_doc_items_durability = TRIDENT_DURABILITY,
+	inventory_image = "mcl_trident_inv.png",
+	stack_max = 1,
+	groups = {weapon=1,weapon_ranged=1,trident=1,enchantability=1},
+	_mcl_uses = TRIDENT_DURABILITY,
+    on_place = function(itemstack, placer, pointed_thing)
+      spawn_trident(placer)
+    end,
+    on_secondary_use = function(itemstack, user, pointed_thing)
+      spawn_trident(user)
+    end
+})