VoxeLibre/mods/ENTITIES/mobs_mc/creeper.lua

--License for code WTFPL and otherwise stated in readmes

local S = minetest.get_translator("mobs_mc")

--###################
--################### CREEPER
--###################




mobs:register_mob("mobs_mc:creeper", {
	type = "monster",
	spawn_class = "hostile",
	hp_min = 20,
	hp_max = 20,
	collisionbox = {-0.3, -0.01, -0.3, 0.3, 1.69, 0.3},
	pathfinding = 1,
	visual = "mesh",
	mesh = "mobs_mc_creeper.b3d",
	textures = {
		{"mobs_mc_creeper.png"},
	},
	visual_size = {x=3, y=3},
	sounds = {
		attack = "tnt_ignite",
		death = "mobs_mc_creeper_death",
		damage = "mobs_mc_creeper_hurt",
		fuse = "tnt_ignite",
		explode = "tnt_explode",
		distance = 16,
	},
	makes_footstep_sound = true,
	walk_velocity = 1.05,
	run_velocity = 2.1,
	runaway_from = { "mobs_mc:ocelot", "mobs_mc:cat" },
	attack_type = "explode",
	
	explosion_strength = 3,
	reach = 4,
	explosion_timer = 1.5,
	allow_fuse_reset = true,
	stop_to_explode = true,

	-- Force-ignite creeper with flint and steel and explode after 1.5 seconds.
	-- TODO: Make creeper flash after doing this as well.
	-- TODO: Test and debug this code.
	on_rightclick = function(self, clicker)
		if self._forced_explosion_countdown_timer ~= nil then
			return
		end
		local item = clicker:get_wielded_item()
		if item:get_name() == mobs_mc.items.flint_and_steel then
			if not minetest.is_creative_enabled(clicker:get_player_name()) then
				-- Wear tool
				local wdef = item:get_definition()
				item:add_wear(1000)
				-- Tool break sound
				if item:get_count() == 0 and wdef.sound and wdef.sound.breaks then
					minetest.sound_play(wdef.sound.breaks, {pos = clicker:get_pos(), gain = 0.5}, true)
				end
				clicker:set_wielded_item(item)
			end
			self._forced_explosion_countdown_timer = self.explosion_timer
			minetest.sound_play(self.sounds.attack, {pos = self.object:get_pos(), gain = 1, max_hear_distance = 16}, true)
		end
	end,
	do_custom = function(self, dtime)
		if self._forced_explosion_countdown_timer ~= nil then
			self._forced_explosion_countdown_timer = self._forced_explosion_countdown_timer - dtime
			if self._forced_explosion_countdown_timer <= 0 then
				mobs:boom(self, self.object:get_pos(), self.explosion_strength)
				self.object:remove()
			end
		end
	end,
	on_die = function(self, pos)
		-- Drop a random music disc
		-- TODO: Only do this if killed by skeleton
		if math.random(1, 200) == 1 then
			local r = math.random(1, #mobs_mc.items.music_discs)
			minetest.add_item({x=pos.x, y=pos.y+1, z=pos.z}, mobs_mc.items.music_discs[r])
		end
	end,
	maxdrops = 2,
	drops = {
		{name = mobs_mc.items.gunpowder,
		chance = 1,
		min = 0,
		max = 2,},

		-- Head
		-- TODO: Only drop if killed by charged creeper
		{name = mobs_mc.items.head_creeper,
		chance = 200, -- 0.5%
		min = 1,
		max = 1,},
	},
	animation = {
		speed_normal = 24,
		speed_run = 48,
		stand_start = 0,
		stand_end = 23,
		walk_start = 24,
		walk_end = 49,
		run_start = 24,
		run_end = 49,
		hurt_start = 110,
		hurt_end = 139,
		death_start = 140,
		death_end = 189,
		look_start = 50,
		look_end = 108,
	},
	floats = 1,
	fear_height = 4,
	view_range = 16,
})


mobs:spawn_specific("mobs_mc:creeper", mobs_mc.spawn.solid, {"air"}, 0, 7, 20, 16500, 2, mobs_mc.spawn_height.overworld_min, mobs_mc.spawn_height.overworld_max)

-- spawn eggs
mobs:register_egg("mobs_mc:creeper", S("Creeper"), "mobs_mc_spawn_icon_creeper.png", 0)