--- /dev/null
+-- loss probabilities array (one in X will be lost)
+local loss_prob = {}
+
+loss_prob["default:cobble"] = 3
+loss_prob["default:dirt"] = 4
+
+local radius_max = tonumber(minetest.setting_get("tnt_radius_max") or 25)
+
+local eject_drops = function(pos, stack)
+ local obj = minetest.add_item(pos, stack)
+
+ if obj == nil then
+ return
+ end
+ obj:get_luaentity().collect = true
+ obj:setacceleration({x=0, y=-10, z=0})
+ obj:setvelocity({x=math.random(0,6)-3, y=10, z=math.random(0,6)-3})
+end
+
+local add_drop = function(drops, pos, item)
+ if loss_prob[item] ~= nil then
+ if math.random(1,loss_prob[item]) == 1 then
+ return
+ end
+ end
+
+ if drops[item] == nil then
+ drops[item] = ItemStack(item)
+ else
+ drops[item]:add_item(item)
+ end
+
+ if drops[item]:get_free_space() == 0 then
+ stack = drops[item]
+ eject_drops(pos, stack)
+ drops[item] = nil
+ end
+end
+
+local destroy = function(drops, pos, last, fast)
+ local nodename = minetest.get_node(pos).name
+ if nodename ~= "air" then
+ minetest.remove_node(pos, (fast and 1 or 0))
+ if last then
+ nodeupdate(pos)
+ end
+ if minetest.registered_nodes[nodename].groups.flammable ~= nil then
+ minetest.set_node(pos, {name="fire:basic_flame"}, (fast and 2 or 0))
+ return
+ end
+ local drop = minetest.get_node_drops(nodename, "")
+ for _,item in ipairs(drop) do
+ if type(item) == "string" then
+ add_drop(drops, pos, item)
+ else
+ for i=1,item:get_count() do
+ add_drop(drops, pos, item:get_name())
+ end
+ end
+ end
+ end
+end
+
+boom = function(pos, time)
+ minetest.after(time, function(pos)
+ if minetest.get_node(pos).name ~= "tnt:tnt_burning" then
+ return
+ end
+ minetest.sound_play("tnt_explode", {pos=pos, gain=1.5, max_hear_distance=2*64})
+ minetest.set_node(pos, {name="tnt:boom"})
+ minetest.after(0.5, function(pos)
+ minetest.remove_node(pos)
+ end, {x=pos.x, y=pos.y, z=pos.z})
+
+
+ local radius = 2
+ local drops = {}
+ local list = {}
+ local dr = 0
+ local tnts = 1
+ local destroyed = 0
+ while dr<radius do
+ dr=dr+1
+ for dx=-dr,dr,dr*2 do
+ for dy=-dr,dr,1 do
+ for dz=-dr,dr,1 do
+ table.insert(list, {x=dx, y=dy, z=dz})
+ end
+ end
+ end
+ for dy=-dr,dr,dr*2 do
+ for dx=-dr+1,dr-1,1 do
+ for dz=-dr,dr,1 do
+ table.insert(list, {x=dx, y=dy, z=dz})
+ end
+ end
+ end
+ for dz=-dr,dr,dr*2 do
+ for dx=-dr+1,dr-1,1 do
+ for dy=-dr+1,dr-1,1 do
+ table.insert(list, {x=dx, y=dy, z=dz})
+ end
+ end
+ end
+ for _,p in ipairs(list) do
+ local np = {x=pos.x+p.x, y=pos.y+p.y, z=pos.z+p.z}
+
+ local node = minetest.get_node(np)
+ if node.name == "air" then
+ elseif node.name == "tnt:tnt" or node.name == "tnt:tnt_burning" then
+ if radius < radius_max then
+ if radius <= 5 then
+ radius = radius + 1
+ elseif radius <= 10 then
+ radius = radius + 0.5
+ else
+ radius = radius + 0.3
+ end
+ minetest.remove_node(np, 2)
+ tnts = tnts + 1
+ else
+ minetest.set_node(np, {name="tnt:tnt_burning"})
+ boom(np, 1)
+ end
+ elseif node.name == "fire:basic_flame"
+ --or string.find(node.name, "default:water_")
+ --or string.find(node.name, "default:lava_")
+ or node.name == "tnt:boom"
+ then
+
+ else
+ if math.abs(p.x)<2 and math.abs(p.y)<2 and math.abs(p.z)<2 then
+ destroy(drops, np, dr == radius, radius > 7)
+ destroyed = destroyed + 1
+ else
+ if math.random(1,5) <= 4 then
+ destroy(drops, np, dr == radius, radius > 7)
+ destroyed = destroyed + 1
+ end
+ end
+ end
+ end
+ end
+
+ local objects = minetest.get_objects_inside_radius(pos, radius*2)
+ for _,obj in ipairs(objects) do
+ --if obj:is_player() or (obj:get_luaentity() and obj:get_luaentity().name ~= "__builtin:item") then
+ local p = obj:getpos()
+ local v = obj:getvelocity()
+ local vec = {x=p.x-pos.x, y=p.y-pos.y, z=p.z-pos.z}
+ local dist = (vec.x^2+vec.y^2+vec.z^2)^0.5
+ local damage = ((radius*20)/dist)
+ --print("DMG dist="..dist.." damage="..damage)
+ if obj:is_player() or (obj:get_luaentity() and obj:get_luaentity().name ~= "__builtin:item") then
+ obj:punch(obj, 1.0, {
+ full_punch_interval=1.0,
+ damage_groups={fleshy=damage},
+ }, vec)
+ end
+ if v ~= nil then
+ --obj:setvelocity({x=(p.x - pos.x) + (radius / 4) + v.x, y=(p.y - pos.y) + (radius / 2) + v.y, z=(p.z - pos.z) + (radius / 4) + v.z})
+ obj:setvelocity({x=(p.x - pos.x) + (radius / 2) + v.x, y=(p.y - pos.y) + radius + v.y, z=(p.z - pos.z) + (radius / 2) + v.z})
+ end
+ --end
+ end
+
+
+ print("TNT exploded=" .. tnts .. " radius=" .. radius .. " destroyed="..destroyed)
+
+ for _,stack in pairs(drops) do
+ eject_drops(pos, stack)
+ end
+ local radiusp = radius+1
+ minetest.add_particlespawner(
+ 100, --amount
+ 0.1, --time
+ {x=pos.x-radiusp, y=pos.y-radiusp, z=pos.z-radiusp}, --minpos
+ {x=pos.x+radiusp, y=pos.y+radiusp, z=pos.z+radiusp}, --maxpos
+ {x=-0, y=-0, z=-0}, --minvel
+ {x=0, y=0, z=0}, --maxvel
+ {x=-0.5,y=5,z=-0.5}, --minacc
+ {x=0.5,y=5,z=0.5}, --maxacc
+ 0.1, --minexptime
+ 1, --maxexptime
+ 8, --minsize
+ 15, --maxsize
+ false, --collisiondetection
+ "tnt_smoke.png" --texture
+ )
+ end, pos)
+end
+
+minetest.register_node("tnt:tnt", {
+ description = "TNT",
+ tiles = {"tnt_top.png", "tnt_bottom.png", "tnt_side.png"},
+ groups = {dig_immediate=2, mesecon=2},
+ sounds = default.node_sound_wood_defaults(),
+
+ on_punch = function(pos, node, puncher)
+ if puncher:get_wielded_item():get_name() == "default:torch" then
+ minetest.sound_play("tnt_ignite", {pos=pos})
+ minetest.set_node(pos, {name="tnt:tnt_burning"})
+ boom(pos, 4)
+ end
+ end,
+
+ mesecons = {
+ effector = {
+ action_on = function(pos, node)
+ minetest.set_node(pos, {name="tnt:tnt_burning"})
+ boom(pos, 0)
+ end
+ },
+ },
+})
+
+minetest.register_node("tnt:tnt_burning", {
+ tiles = {{name="tnt_top_burning_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1}}, "tnt_bottom.png", "tnt_side.png"},
+ light_source = 5,
+ drop = "",
+ sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("tnt:boom", {
+ drawtype = "plantlike",
+ tiles = {"tnt_boom.png"},
+ light_source = LIGHT_MAX,
+ walkable = false,
+ drop = "",
+ groups = {dig_immediate=3},
+})
+
+burn = function(pos)
+ if minetest.get_node(pos).name == "tnt:tnt" then
+ minetest.sound_play("tnt_ignite", {pos=pos})
+ minetest.set_node(pos, {name="tnt:tnt_burning"})
+ boom(pos, 1)
+ return
+ end
+ if minetest.get_node(pos).name ~= "tnt:gunpowder" then
+ return
+ end
+ minetest.sound_play("tnt_gunpowder_burning", {pos=pos, gain=2})
+ minetest.set_node(pos, {name="tnt:gunpowder_burning"})
+
+ minetest.after(1, function(pos)
+ if minetest.get_node(pos).name ~= "tnt:gunpowder_burning" then
+ return
+ end
+ minetest.after(0.5, function(pos)
+ minetest.remove_node(pos)
+ end, {x=pos.x, y=pos.y, z=pos.z})
+ for dx=-1,1 do
+ for dz=-1,1 do
+ for dy=-1,1 do
+ pos.x = pos.x+dx
+ pos.y = pos.y+dy
+ pos.z = pos.z+dz
+
+ if not (math.abs(dx) == 1 and math.abs(dz) == 1) then
+ if dy == 0 then
+ burn({x=pos.x, y=pos.y, z=pos.z})
+ else
+ if math.abs(dx) == 1 or math.abs(dz) == 1 then
+ burn({x=pos.x, y=pos.y, z=pos.z})
+ end
+ end
+ end
+
+ pos.x = pos.x-dx
+ pos.y = pos.y-dy
+ pos.z = pos.z-dz
+ end
+ end
+ end
+ end, pos)
+end
+
+minetest.register_node("tnt:gunpowder", {
+ description = "Gun Powder",
+ drawtype = "raillike",
+ paramtype = "light",
+ sunlight_propagates = true,
+ walkable = false,
+ tiles = {"tnt_gunpowder.png",},
+ inventory_image = "tnt_gunpowder_inventory.png",
+ wield_image = "tnt_gunpowder_inventory.png",
+ selection_box = {
+ type = "fixed",
+ fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+ },
+ groups = {dig_immediate=2,attached_node=1},
+ sounds = default.node_sound_leaves_defaults(),
+
+ on_punch = function(pos, node, puncher)
+ if puncher:get_wielded_item():get_name() == "default:torch" then
+ burn(pos)
+ end
+ end,
+})
+
+minetest.register_node("tnt:gunpowder_burning", {
+ drawtype = "raillike",
+ paramtype = "light",
+ sunlight_propagates = true,
+ walkable = false,
+ light_source = 5,
+ tiles = {{name="tnt_gunpowder_burning_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1}}},
+ selection_box = {
+ type = "fixed",
+ fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+ },
+ drop = "",
+ groups = {dig_immediate=2,attached_node=1},
+ sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_abm({
+ nodenames = {"tnt:tnt", "tnt:gunpowder"},
+ neighbors = {"fire:basic_flame", "default:lava_source", "default:lava_flowing"},
+ interval = 2,
+ chance = 10,
+ action = function(pos, node)
+ if node.name == "tnt:tnt" then
+ minetest.set_node(pos, {name="tnt:tnt_burning"})
+ boom({x=pos.x, y=pos.y, z=pos.z}, 0)
+ else
+ burn(pos)
+ end
+ end
+})
+
+minetest.register_craft({
+ output = "tnt:gunpowder",
+ type = "shapeless",
+ recipe = {"default:coal_lump", "default:gravel"}
+})
+
+minetest.register_craft({
+ output = "tnt:tnt",
+ recipe = {
+ {"", "group:wood", ""},
+ {"group:wood", "tnt:gunpowder", "group:wood"},
+ {"", "group:wood", ""}
+ }
+})
+
+if minetest.setting_get("log_mods") then
+ minetest.log("action", "tnt loaded")
+end
projects / oweals / minetest_game.git / commitdiff
