MineClone5/mods/mcl_tnt/init.lua

144 lines
4.8 KiB
Lua

local function spawn_tnt(pos, entname)
minetest.sound_play("tnt_ignite", {pos = pos,gain = 1.0,max_hear_distance = 15,})
return minetest.add_entity(pos, entname)
end
local function activate_if_tnt(nname, np, tnt_np, tntr)
if nname == "mcl_tnt:tnt" then
local e = spawn_tnt(np, nname)
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)})
end
end
local function do_tnt_physics(tnt_np,tntr)
local objs = minetest.get_objects_inside_radius(tnt_np, tntr)
for k, obj in pairs(objs) do
local oname = obj:get_entity_name()
local v = obj:getvelocity()
local p = obj:getpos()
if oname == "mcl_tnt:tnt" then
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})
else
if v ~= nil then
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})
else
if obj:get_player_name() ~= nil then
obj:set_hp(obj:get_hp() - 1)
end
end
end
end
end
tnt = {}
tnt.ignite = function(pos)
minetest.remove_node(pos)
spawn_tnt(pos, "mcl_tnt:tnt")
nodeupdate(pos)
end
minetest.register_node("mcl_tnt:tnt", {
tiles = {"default_tnt_top.png", "default_tnt_bottom.png",
"default_tnt_side.png", "default_tnt_side.png",
"default_tnt_side.png", "default_tnt_side.png"},
is_ground_content = false,
stack_max = 64,
description = "TNT",
groups = { dig_immediate = 3, tnt = 1, },
mesecons = {effector = {
action_on = tnt.ignite
}},
sounds = default.node_sound_wood_defaults(),
})
local TNT_RANGE = 3
local TNT = {
-- Static definition
physical = true, -- Collides with things
--weight = -100,
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "cube",
textures = {"default_tnt_top.png", "default_tnt_bottom.png",
"default_tnt_side.png", "default_tnt_side.png",
"default_tnt_side.png", "default_tnt_side.png"},
-- Initial value for our timer
timer = 0,
-- Number of punches required to defuse
health = 1,
blinktimer = 0,
blinkstatus = true,}
function TNT:on_activate(staticdata)
self.object:setvelocity({x=0, y=4, z=0})
self.object:setacceleration({x=0, y=-10, z=0})
self.object:settexturemod("^tnt_blink.png")
end
function TNT:on_step(dtime)
local pos = self.object:getpos()
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, "mcl_tnt_smoke.png")
self.timer = self.timer + dtime
self.blinktimer = self.blinktimer + dtime
if self.blinktimer > 0.5 then
self.blinktimer = self.blinktimer - 0.5
if self.blinkstatus then
self.object:settexturemod("")
else
self.object:settexturemod("^mcl_tnt_blink.png")
end
self.blinkstatus = not self.blinkstatus
end
if self.timer > 4 then
local pos = self.object:getpos()
pos.x = math.floor(pos.x+0.5)
pos.y = math.floor(pos.y+0.5)
pos.z = math.floor(pos.z+0.5)
do_tnt_physics(pos, TNT_RANGE)
local meta = minetest.get_meta(pos)
minetest.sound_play("tnt_explode", {pos = pos,gain = 1.0,max_hear_distance = 16,})
if minetest.get_node(pos).name == "default:water_source" or minetest.get_node(pos).name == "default:water_flowing" or minetest.get_node(pos).name == "default:bedrock" or minetest.get_node(pos).name == "protector:display" or minetest.is_protected(pos, "tnt") then
-- Cancel the Explosion
self.object:remove()
return
end
for x=-TNT_RANGE,TNT_RANGE do
for y=-TNT_RANGE,TNT_RANGE do
for z=-TNT_RANGE,TNT_RANGE do
if x*x+y*y+z*z <= TNT_RANGE * TNT_RANGE + TNT_RANGE then
local np={x=pos.x+x,y=pos.y+y,z=pos.z+z}
local n = minetest.get_node(np)
if n.name ~= "air" and n.name ~= "default:obsidian" and n.name ~= "default:bedrock" and n.name ~= "protector:protect" then
activate_if_tnt(n.name, np, pos, 3)
minetest.remove_node(np)
nodeupdate(np)
if n.name ~= "mcl_tnt:tnt" and math.random() > 0.9 then
local drop = minetest.get_node_drops(n.name, "")
for _,item in ipairs(drop) do
if type(item) == "string" then
if math.random(1,100) > 40 then
local obj = minetest.add_item(np, item)
end
end
end
end
end
end
end
end
self.object:remove()
end
end
end
minetest.register_entity("mcl_tnt:tnt", TNT)
minetest.register_craft({
output = "mcl_tnt:tnt",
recipe = {
{'default:gunpowder','group:sand','default:gunpowder'},
{'group:sand','default:gunpowder','group:sand'},
{'default:gunpowder','group:sand','default:gunpowder'}
}
})