mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-26 11:57:23 +02:00
163 lines
5.3 KiB
Lua
163 lines
5.3 KiB
Lua
function spawn_tnt(pos, entname)
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minetest.sound_play("", {pos = pos,gain = 1.0,max_hear_distance = 15,})
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return minetest.env:add_entity(pos, entname)
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end
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function activate_if_tnt(nname, np, tnt_np, tntr)
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if nname == "tnt:tnt" then
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local e = spawn_tnt(np, nname)
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e:setvelocity({x=(np.x - tnt_np.x)*5+(tntr / 4), y=(np.y - tnt_np.y)*5+(tntr / 3), z=(np.z - tnt_np.z)*5+(tntr / 4)})
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end
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end
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function do_tnt_physics(tnt_np,tntr)
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local objs = minetest.env:get_objects_inside_radius(tnt_np, tntr)
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for k, obj in pairs(objs) do
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local oname = obj:get_entity_name()
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local v = obj:getvelocity()
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local p = obj:getpos()
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if oname == "tnt:tnt" then
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obj:setvelocity({x=(p.x - tnt_np.x) + (tntr / 2) + v.x, y=(p.y - tnt_np.y) + tntr + v.y, z=(p.z - tnt_np.z) + (tntr / 2) + v.z})
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else
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if v ~= nil then
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obj:setvelocity({x=(p.x - tnt_np.x) + (tntr / 4) + v.x, y=(p.y - tnt_np.y) + (tntr / 2) + v.y, z=(p.z - tnt_np.z) + (tntr / 4) + v.z})
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else
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if obj:get_player_name() ~= nil then
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obj:set_hp(obj:get_hp() - 1)
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end
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end
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end
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end
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end
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minetest.register_node("tnt:tnt", {
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tile_images = {"default_tnt_top.png", "default_tnt_bottom.png",
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"default_tnt_side.png", "default_tnt_side.png",
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"default_tnt_side.png", "default_tnt_side.png"},
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dug_item = '', -- Get nothing
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material = {
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diggability = "not",
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},
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stack_max = 64,
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description = "TNT",
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mesecons = {effector = {
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action_on = (function(p, node)
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minetest.env:remove_node(p)
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spawn_tnt(p, "tnt:tnt")
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nodeupdate(p)
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end),
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}}
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})
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minetest.register_on_punchnode(function(p, node)
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if node.name == "tnt:tnt" then
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minetest.env:remove_node(p)
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spawn_tnt(p, "tnt:tnt")
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nodeupdate(p)
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end
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end)
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local TNT_RANGE = 3
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local TNT = {
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-- Static definition
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physical = true, -- Collides with things
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--weight = -100,
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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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textures = {"default_tnt_top.png", "default_tnt_bottom.png",
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"default_tnt_side.png", "default_tnt_side.png",
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"default_tnt_side.png", "default_tnt_side.png"},
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-- Initial value for our timer
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timer = 0,
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-- Number of punches required to defuse
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health = 1,
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blinktimer = 0,
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blinkstatus = true,}
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function TNT:on_activate(staticdata)
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self.object:setvelocity({x=0, y=4, z=0})
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self.object:setacceleration({x=0, y=-10, z=0})
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self.object:settexturemod("^[brighten")
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end
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function TNT:on_step(dtime)
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local pos = self.object:getpos()
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minetest.add_particle({x=pos.x,y=pos.y+0.5,z=pos.z}, {x=math.random(-.1,.1),y=math.random(1,2),z=math.random(-.1,.1)}, {x=0,y=-0.1,z=0}, math.random(.5,1),math.random(1,2), false, "tnt_smoke.png")
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self.timer = self.timer + dtime
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self.blinktimer = self.blinktimer + dtime
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if self.timer>3 then
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self.blinktimer = self.blinktimer + dtime
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if self.timer>5 then
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self.blinktimer = self.blinktimer + dtime
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self.blinktimer = self.blinktimer + dtime
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end
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end
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if self.blinktimer > 0.5 then
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self.blinktimer = self.blinktimer - 0.5
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if self.blinkstatus then
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self.object:settexturemod("")
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else
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self.object:settexturemod("^[brighten")
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end
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self.blinkstatus = not self.blinkstatus
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end
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if self.timer > 8 then
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local pos = self.object:getpos()
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pos.x = math.floor(pos.x+0.5)
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pos.y = math.floor(pos.y+0.5)
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pos.z = math.floor(pos.z+0.5)
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do_tnt_physics(pos, TNT_RANGE)
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local meta = minetest.env:get_meta(pos)
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minetest.sound_play("tnt_explode", {pos = pos,gain = 1.0,max_hear_distance = 16,})
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if minetest.env:get_node(pos).name == "default:water_source" or minetest.env:get_node(pos).name == "default:water_flowing" or minetest.env:get_node(pos).name == "default:bedrock" or minetest.env:get_node(pos).name == "protector:display" or minetest.is_protected(pos, "tnt") then
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-- Cancel the Explosion
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self.object:remove()
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return
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end
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for x=-TNT_RANGE,TNT_RANGE do
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for y=-TNT_RANGE,TNT_RANGE do
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for z=-TNT_RANGE,TNT_RANGE do
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if x*x+y*y+z*z <= TNT_RANGE * TNT_RANGE + TNT_RANGE then
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local np={x=pos.x+x,y=pos.y+y,z=pos.z+z}
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local n = minetest.env:get_node(np)
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if n.name ~= "air" and n.name ~= "default:obsidian" and n.name ~= "default:bedrock" and n.name ~= "protector:protect" then
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activate_if_tnt(n.name, np, pos, 3)
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minetest.env:remove_node(np)
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nodeupdate(np)
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if n.name ~= "tnt:tnt" and math.random() > 0.9 then
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local drop = minetest.get_node_drops(n.name, "")
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for _,item in ipairs(drop) do
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if type(item) == "string" then
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if math.random(1,100) > 40 then
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local obj = minetest.env:add_item(np, item)
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end
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end
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end
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end
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end
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end
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end
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end
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self.object:remove()
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end
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end
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end
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function TNT:on_punch(hitter)
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self.health = self.health - 1
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if self.health <= 0 then
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self.object:remove()
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hitter:get_inventory():add_item("main", "tnt:tnt")
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end
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end
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minetest.register_entity("tnt:tnt", TNT)
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minetest.register_craft({
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output = "tnt:tnt",
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recipe = {
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{'default:gunpowder','default:sand','default:gunpowder'},
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{'default:sand','default:gunpowder','default:sand'},
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{'default:gunpowder','default:sand','default:gunpowder'}
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}
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}) |