220 lines
7.9 KiB
Lua
220 lines
7.9 KiB
Lua
--here is where tnt is defined
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local function tnt(pos,range)
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local pos = vector.floor(vector.add(pos,0.5))
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--throw players and items
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for _,object in ipairs(minetest.get_objects_inside_radius(pos, range)) do
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if object:is_player() then
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local ppos = object:getpos()
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local power = (range - vector.distance(pos,ppos))*2
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local distance = vector.subtract(ppos,pos)
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local force = vector.multiply(distance,power)
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object:add_player_velocity(force)
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elseif object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
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local ppos = object:getpos()
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local power = (range - vector.distance(pos,ppos))*2
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local distance = vector.subtract(pos,ppos)
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local force = vector.multiply(distance,power)
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object:setvelocity(force)
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end
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end
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local min = vector.add(pos,range)
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local max = vector.subtract(pos,range)
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local vm = minetest.get_voxel_manip()
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local emin, emax = vm:read_from_map(min,max)
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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local data = vm:get_data()
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local air = minetest.get_content_id("air")
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local content_id = minetest.get_name_from_content_id
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local pos2 = vector.new(0,0,0)
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for x=-range, range do
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for y=-range, range do
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for z=-range, range do
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if vector.distance(pos2, vector.new(x,y,z)) <= range then
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local p_pos = area:index(pos.x+x,pos.y+y,pos.z+z)
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local n = content_id(data[p_pos])
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if n == "tnt:tnt" then
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--print("adding tnt")
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local obj = minetest.add_entity(vector.new(pos.x+x,pos.y+y,pos.z+z),"tnt:tnt")
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obj:get_luaentity().range = 5
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obj:get_luaentity().timer = math.random(1,10)*math.random()
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--minetest.sound_play("tnt_ignite", {object=obj, gain = 1.0, max_hear_distance = range*range*range})
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elseif n ~= "air" and n ~= "ignore" then
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if math.random()>0.99 then
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local item = minetest.get_node_drops(n, "main:diamondpick")[1]
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minetest.add_item(vector.new(pos.x+x,pos.y+y,pos.z+z), item)
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end
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end
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data[p_pos] = air
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end
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end
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end
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end
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vm:set_data(data)
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vm:write_to_map()
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vm:update_map()
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minetest.sound_play("tnt_explode", {pos = pos, gain = 1.0, max_hear_distance = range*range*range})
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--stop client from lagging
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local particle = range
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if particle > 15 then
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particle = 15
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end
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minetest.add_particlespawner({
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amount = particle*particle*particle,
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time = 0.001,
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minpos = pos,
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maxpos = pos,
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minvel = vector.new(-range,-range,-range),
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maxvel = vector.new(range,range,range),
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minacc = {x=0, y=0, z=0},
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maxacc = {x=0, y=0, z=0},
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minexptime = 1.1,
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maxexptime = 1.5,
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minsize = 1,
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maxsize = 2,
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collisiondetection = false,
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vertical = false,
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texture = "smoke.png",
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})
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end
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minetest.register_entity("tnt:tnt", {
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initial_properties = {
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hp_max = 1,
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physical = true,
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collide_with_objects = false,
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collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
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visual = "cube",
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visual_size = {x = 1, y = 1},
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textures = {"tnt_top.png", "tnt_bottom.png",
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"tnt_side.png", "tnt_side.png",
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"tnt_side.png", "tnt_side.png"},
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is_visible = true,
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pointable = true,
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},
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timer = 5,
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range = 7,
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get_staticdata = function(self)
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return minetest.serialize({
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range = self.range,
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timer = self.timer,
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})
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end,
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on_activate = function(self, staticdata, dtime_s)
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self.object:set_armor_groups({immortal = 1})
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self.object:set_velocity({x = math.random(-5,5), y = 5, z = math.random(-5,5)})
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self.object:set_acceleration({x = 0, y = -9.81, z = 0})
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if string.sub(staticdata, 1, string.len("return")) == "return" then
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local data = minetest.deserialize(staticdata)
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if data and type(data) == "table" then
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self.range = data.range
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self.timer = data.timer
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end
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end
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minetest.add_particlespawner({
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amount = 50,
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time = 0,
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minpos = pos,
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maxpos = pos,
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minvel = vector.new(-0.5,1,-0.5),
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maxvel = vector.new(0.5,5,0.5),
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minacc = {x=0, y=0, z=0},
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maxacc = {x=0, y=0, z=0},
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minexptime = 1.1,
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maxexptime = 1.5,
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minsize = 1,
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maxsize = 2,
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collisiondetection = false,
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vertical = false,
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texture = "smoke.png",
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attached = self.object,
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})
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minetest.sound_play("tnt_ignite", {object = self.object, gain = 1.0, max_hear_distance = self.range*self.range*self.range})
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end,
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on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
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local obj = minetest.add_item(self.object:getpos(), "tnt:tnt")
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self.object:remove()
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end,
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sound_played = false,
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on_step = function(self, dtime)
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self.timer = self.timer - dtime
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local vel = self.object:getvelocity()
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vel = vector.multiply(vel,-0.05)
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self.object:add_velocity(vector.new(vel.x,0,vel.z))
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if self.timer <= 0 then
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local pos = self.object:getpos()
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if not self.range then
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self.range = 7
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end
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tnt(pos,self.range)
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self.object:remove()
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end
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end,
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})
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minetest.register_node("tnt:tnt", {
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description = "Cobblestone",
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tiles = {"tnt_top.png", "tnt_bottom.png",
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"tnt_side.png", "tnt_side.png",
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"tnt_side.png", "tnt_side.png"},
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groups = {stone = 2, hard = 1, pickaxe = 2, hand = 4},
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sounds = main.stoneSound(),
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on_punch = function(pos, node, puncher, pointed_thing)
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local obj = minetest.add_entity(pos,"tnt:tnt")
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local range = 7
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obj:get_luaentity().range = range
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minetest.remove_node(pos)
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end,
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})
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minetest.register_node("tnt:uh_oh", {
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description = "Cobblestone",
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tiles = {"tnt_top.png", "tnt_bottom.png",
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"tnt_side.png", "tnt_side.png",
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"tnt_side.png", "tnt_side.png"},
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groups = {stone = 2, hard = 1, pickaxe = 2, hand = 4},
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sounds = main.stoneSound(),
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on_punch = function(pos, node, puncher, pointed_thing)
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local range = 10
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for x=-range, range do
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for y=-range, range do
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for z=-range, range do
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minetest.add_node(vector.new(pos.x+x,pos.y+y,pos.z+z),{name="tnt:tnt"})
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end
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end
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end
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end,
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})
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minetest.register_craft({
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output = "tnt:tnt",
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recipe = {
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{"main:wood", "main:wood", "main:wood"},
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{"main:wood", "main:coal", "main:wood"},
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{"main:wood", "main:wood", "main:wood"},
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},
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})
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