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471 lines
13 KiB
471 lines
13 KiB
-- nondestructive replacement for tnt
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-- uses some code from minetest\games\default\mods\tnt\init.lua
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mock_tnt = {}
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-- Default to enabled when in singleplayer
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local enable_tnt = minetest.setting_getbool("enable_tnt")
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if enable_tnt == nil then
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enable_tnt = minetest.is_singleplayer()
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end
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local tnt_radius = tonumber(minetest.setting_get("tnt_radius") or 3)
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local function rand_pos(center, pos, radius)
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local def
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local reg_nodes = minetest.registered_nodes
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local i = 0
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repeat
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-- Give up and use the center if this takes too long
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if i > 4 then
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pos.x, pos.z = center.x, center.z
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break
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end
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pos.x = center.x + math.random(-radius, radius)
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pos.z = center.z + math.random(-radius, radius)
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def = reg_nodes[minetest.get_node(pos).name]
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i = i + 1
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until def and not def.walkable
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end
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-- minetest.register_node( "mock_tnt:mock_tnt", {
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-- description = "Unknown Explosive",
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-- tiles = { "mock_tnt_top.png", "mock_tnt_sides.png", "mock_tnt_sides.png", "mock_tnt_sides.png", "mock_tnt_sides.png", "mock_tnt_sides.png" },
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-- is_ground_content = true,
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-- groups = {cracky = 1, level = 2},
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-- sounds = default.node_sound_sand_defaults(),
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-- })
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-- Only when "not" to not overlap tnt mod:
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if not enable_tnt then
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minetest.register_alias("tnt:tnt", "mock_tnt:mock_tnt")
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minetest.register_craft({
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output = "mock_tnt:mock_tnt",
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recipe = {
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{"group:wood", "tnt:gunpowder", "group:wood"},
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{"tnt:gunpowder", "tnt:gunpowder", "tnt:gunpowder"},
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{"group:wood", "tnt:gunpowder", "group:wood"}
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}
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})
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minetest.register_abm({
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label = "mock_tnt ignition",
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nodenames = {"group:tnt", "tnt:gunpowder"},
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neighbors = {"fire:basic_flame", "default:lava_source", "default:lava_flowing", "default:torch", "fire:permanent_flame"},
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interval = 4,
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chance = 1,
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action = function(pos, node)
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mock_tnt.burn(pos, node.name)
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end,
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})
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end
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local function add_effects(pos, radius)
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minetest.add_particle({
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pos = pos,
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velocity = vector.new(),
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acceleration = vector.new(),
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expirationtime = 0.4,
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size = radius * 10,
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collisiondetection = false,
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vertical = false,
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texture = "mock_tnt_boom.png",
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})
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minetest.add_particlespawner({
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amount = 64,
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time = 0.5,
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minpos = vector.subtract(pos, radius / 2),
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maxpos = vector.add(pos, radius / 2),
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minvel = {x = -10, y = -10, z = -10},
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maxvel = {x = 10, y = 10, z = 10},
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minacc = vector.new(),
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maxacc = vector.new(),
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minexptime = 1,
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maxexptime = 2.5,
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minsize = radius * 3,
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maxsize = radius * 5,
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texture = "mock_tnt_smoke.png",
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})
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-- we just dropped some items. Look at the items entities and pick
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-- one of them to use as texture
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local texture = "mock_tnt_blast.png" --fallback texture
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-- local most = 0
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-- for name, stack in pairs(drops) do
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-- local count = stack:get_count()
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-- if count > most then
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-- most = count
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-- local def = minetest.registered_nodes[name]
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-- if def and def.tiles and def.tiles[1] then
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-- texture = def.tiles[1]
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-- end
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-- end
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-- end
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minetest.add_particlespawner({
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amount = 64,
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time = 0.1,
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minpos = vector.subtract(pos, radius / 2),
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maxpos = vector.add(pos, radius / 2),
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minvel = {x = -3, y = 0, z = -3},
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maxvel = {x = 3, y = 5, z = 3},
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minacc = {x = 0, y = -10, z = 0},
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maxacc = {x = 0, y = -10, z = 0},
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minexptime = 0.8,
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maxexptime = 2.0,
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minsize = radius * 0.66,
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maxsize = radius * 2,
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texture = texture,
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collisiondetection = true,
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})
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end
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function mock_tnt.burn(pos, nodename)
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local name = nodename or minetest.get_node(pos).name
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local group = minetest.get_item_group(name, "mock_tnt")
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if group > 0 then
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minetest.sound_play("tnt_ignite", {pos = pos})
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minetest.set_node(pos, {name = name .. "_burning"})
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minetest.get_node_timer(pos):start(1)
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elseif name == "tnt:gunpowder" then
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minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
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end
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end
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local function UNUSED_mock_tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
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-- NOTE: register_tnt def param and register_tnt itself leave ignore_protection undefined
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-- which translates to false below.
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pos = vector.round(pos)
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-- scan for adjacent TNT nodes first, and enlarge the explosion
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local vm1 = VoxelManip()
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local p1 = vector.subtract(pos, 2)
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local p2 = vector.add(pos, 2)
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local minp, maxp = vm1:read_from_map(p1, p2)
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local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
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local data = vm1:get_data()
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local count = 0
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local c_tnt = minetest.get_content_id("mock_tnt:mock_tnt")
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local c_tnt_burning = minetest.get_content_id("mock_tnt:mock_tnt_burning")
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local c_tnt_boom = minetest.get_content_id("mock_tnt:boom")
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local c_air = minetest.get_content_id("air")
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for z = pos.z - 2, pos.z + 2 do
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for y = pos.y - 2, pos.y + 2 do
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local vi = a:index(pos.x - 2, y, z)
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for x = pos.x - 2, pos.x + 2 do
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local cid = data[vi]
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if cid == c_tnt or cid == c_tnt_boom or cid == c_tnt_burning then
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count = count + 1
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data[vi] = c_air
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end
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vi = vi + 1
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end
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end
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end
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vm1:set_data(data)
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vm1:write_to_map()
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-- recalculate new radius
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radius = math.floor(radius * math.pow(count, 1/3))
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-- perform the explosion
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local vm = VoxelManip()
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local pr = PseudoRandom(os.time())
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p1 = vector.subtract(pos, radius)
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p2 = vector.add(pos, radius)
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minp, maxp = vm:read_from_map(p1, p2)
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a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
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data = vm:get_data()
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local drops = {}
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local on_blast_queue = {}
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local c_fire = minetest.get_content_id("fire:basic_flame")
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-- for z = -radius, radius do
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-- for y = -radius, radius do
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-- local vi = a:index(pos.x + (-radius), pos.y + y, pos.z + z)
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-- for x = -radius, radius do
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-- local r = vector.length(vector.new(x, y, z))
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-- if (radius * radius) / (r * r) >= (pr:next(80, 125) / 100) then
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-- local cid = data[vi]
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-- local p = {x = pos.x + x, y = pos.y + y, z = pos.z + z}
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-- if cid ~= c_air then
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-- data[vi] = destroy(drops, p, cid, c_air, c_fire,
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-- on_blast_queue, ignore_protection,
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-- ignore_on_blast)
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-- end
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-- end
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-- vi = vi + 1
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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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-- vm:update_liquids()
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-- call check_single_for_falling for everything within 1.5x blast radius
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for y = -radius * 1.5, radius * 1.5 do
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for z = -radius * 1.5, radius * 1.5 do
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for x = -radius * 1.5, radius * 1.5 do
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local rad = {x = x, y = y, z = z}
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local s = vector.add(pos, rad)
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local r = vector.length(rad)
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if r / radius < 1.4 then
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minetest.check_single_for_falling(s)
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end
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end
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end
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end
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for _, queued_data in pairs(on_blast_queue) do
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local dist = math.max(1, vector.distance(queued_data.pos, pos))
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local intensity = (radius * radius) / (dist * dist)
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local node_drops = queued_data.on_blast(queued_data.pos, intensity)
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if node_drops then
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for _, item in pairs(node_drops) do
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add_drop(drops, item)
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end
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end
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end
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return drops, radius
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end
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function mock_tnt.boom(pos, def)
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minetest.sound_play("tnt_explode", {pos = pos, gain = 1.5, max_hear_distance = 2*64})
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minetest.set_node(pos, {name = "mock_tnt:boom"})
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-- local drops, radius = mock_tnt_explode(pos, def.radius, def.ignore_protection,
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-- def.ignore_on_blast)
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-- append entity drops
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-- local damage_radius = (radius / def.radius) * def.damage_radius
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local damage_radius = def.damage_radius
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-- entity_physics(pos, damage_radius, drops)
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-- if not def.disable_drops then
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-- eject_drops(drops, pos, radius)
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-- end
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-- add_effects(pos, radius, drops)
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add_effects(pos, damage_radius)
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end
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minetest.register_node("mock_tnt:boom", {
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drawtype = "airlike",
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light_source = default.LIGHT_MAX,
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walkable = false,
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drop = "",
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groups = {dig_immediate = 3},
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on_construct = function(pos)
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minetest.get_node_timer(pos):start(0.4)
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end,
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on_timer = function(pos, elapsed)
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minetest.remove_node(pos)
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end,
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-- unaffected by explosions
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on_blast = function() end,
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})
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function mock_tnt.register_tnt(def)
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local name
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if not def.name:find(':') then
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name = "mock_tnt:" .. def.name
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else
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name = def.name
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def.name = def.name:match(":([%w_]+)")
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end
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if not def.tiles then def.tiles = {} end
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local tnt_top = def.tiles.top or def.name .. "_top.png"
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local tnt_bottom = def.tiles.bottom or def.name .. "_bottom.png"
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local tnt_side = def.tiles.side or def.name .. "_side.png"
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local tnt_burning = def.tiles.burning or def.name .. "_top_burning_animated.png"
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if not def.damage_radius then def.damage_radius = def.radius * 2 end
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-- if "not" since only make fake if real does not exist:
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-- if not enable_tnt then
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minetest.register_node(":" .. name, {
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description = def.description,
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tiles = { tnt_top, tnt_bottom, tnt_side },
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is_ground_content = false,
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groups = {dig_immediate = 2, mesecon = 2, tnt = 1, flammable = 5},
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sounds = default.node_sound_sand_defaults(),
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on_punch = function(pos, node, puncher)
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if puncher:get_wielded_item():get_name() == "default:torch" then
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minetest.set_node(pos, {name = name .. "_burning"})
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end
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end,
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on_blast = function(pos, intensity)
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minetest.after(0.1, function()
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mock_tnt.boom(pos, def)
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end)
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end,
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mesecons = {effector =
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{action_on =
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function(pos)
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mock_tnt.boom(pos, def)
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end
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}
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},
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on_burn = function(pos)
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minetest.set_node(pos, {name = name .. "_burning"})
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end,
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on_ignite = function(pos, igniter)
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minetest.set_node(pos, {name = name .. "_burning"})
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end,
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})
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-- end
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minetest.register_node(":" .. name .. "_burning", {
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tiles = {
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{
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name = tnt_burning,
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 1,
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}
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},
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tnt_bottom, tnt_side
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},
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light_source = 5,
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drop = "",
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sounds = default.node_sound_sand_defaults(),
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groups = {falling_node = 1},
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on_timer = function(pos, elapsed)
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mock_tnt.boom(pos, def)
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end,
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-- unaffected by explosions
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on_blast = function() end,
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on_construct = function(pos)
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minetest.sound_play("tnt_ignite", {pos = pos})
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minetest.get_node_timer(pos):start(4)
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minetest.check_for_falling(pos)
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end,
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})
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end
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mock_tnt.register_tnt({
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name = "mock_tnt:mock_tnt",
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description = "Unknown Explosive",
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radius = tnt_radius,
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})
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-- ALREADY DONE by minetest_game tnt mod even if tnt_enable is false:
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-- minetest.register_node("tnt:gunpowder_burning", {
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-- drawtype = "raillike",
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-- paramtype = "light",
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-- sunlight_propagates = true,
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-- walkable = false,
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-- light_source = 5,
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-- tiles = {{
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-- name = "mock_tnt_gunpowder_burning_straight_animated.png",
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-- animation = {
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-- type = "vertical_frames",
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-- aspect_w = 16,
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-- aspect_h = 16,
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-- length = 1,
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-- }
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-- },
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-- {
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-- name = "mock_tnt_gunpowder_burning_curved_animated.png",
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-- animation = {
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-- type = "vertical_frames",
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-- aspect_w = 16,
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-- aspect_h = 16,
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-- length = 1,
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-- }
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-- },
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-- {
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-- name = "mock_tnt_gunpowder_burning_t_junction_animated.png",
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-- animation = {
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-- type = "vertical_frames",
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-- aspect_w = 16,
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-- aspect_h = 16,
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-- length = 1,
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-- }
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-- },
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-- {
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-- name = "mock_tnt_gunpowder_burning_crossing_animated.png",
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-- animation = {
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-- type = "vertical_frames",
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-- aspect_w = 16,
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-- aspect_h = 16,
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-- length = 1,
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-- }
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-- }},
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-- selection_box = {
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-- type = "fixed",
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-- fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
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-- },
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-- drop = "",
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-- groups = {dig_immediate = 2, attached_node = 1, connect_to_raillike = minetest.raillike_group("gunpowder")},
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-- sounds = default.node_sound_leaves_defaults(),
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-- on_timer = function(pos, elapsed)
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-- for dx = -1, 1 do
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-- for dz = -1, 1 do
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-- for dy = -1, 1 do
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-- if not (dx == 0 and dz == 0) then
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-- mock_tnt.burn({
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-- x = pos.x + dx,
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-- y = pos.y + dy,
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-- z = pos.z + dz,
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-- })
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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.remove_node(pos)
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-- end,
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-- -- unaffected by explosions
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-- on_blast = function() end,
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-- on_construct = function(pos)
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-- minetest.sound_play("mock_tnt_gunpowder_burning", {pos = pos, gain = 2})
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-- minetest.get_node_timer(pos):start(1)
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-- end,
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-- })
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--
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-- minetest.register_craft({
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-- output = "tnt:gunpowder 5",
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-- type = "shapeless",
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-- recipe = {"default:coal_lump", "default:gravel"}
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-- })
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-- minetest.register_node("tnt:gunpowder", {
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-- description = "Gun Powder",
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-- drawtype = "raillike",
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-- paramtype = "light",
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-- is_ground_content = false,
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-- sunlight_propagates = true,
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-- walkable = false,
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-- tiles = {"mock_tnt_gunpowder_straight.png", "mock_tnt_gunpowder_curved.png", "mock_tnt_gunpowder_t_junction.png", "mock_tnt_gunpowder_crossing.png"},
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-- inventory_image = "mock_tnt_gunpowder_inventory.png",
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-- wield_image = "mock_tnt_gunpowder_inventory.png",
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-- selection_box = {
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-- type = "fixed",
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-- fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
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-- },
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-- groups = {dig_immediate = 2, attached_node = 1, flammable = 5,
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-- connect_to_raillike = minetest.raillike_group("gunpowder")},
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-- sounds = default.node_sound_leaves_defaults(),
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--
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-- on_punch = function(pos, node, puncher)
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-- if puncher:get_wielded_item():get_name() == "default:torch" then
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-- minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
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-- end
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-- end,
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-- on_blast = function(pos, intensity)
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-- minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
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-- end,
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-- on_burn = function(pos)
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-- minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
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-- end,
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-- on_ignite = function(pos, igniter)
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-- minetest.set_node(pos, {name = "tnt:gunpowder_burning"})
|
|
-- end,
|
|
-- })
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|