Add TNT API.
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red-001
paramat
parent
8556dd30e2
commit
cfef21f4d9
36
game_api.txt
36
game_api.txt
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@ -209,6 +209,42 @@ Fire API
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* Called when fire attempts to remove a burning node.
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* `pos` Position of the burning node.
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#TNT API
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----------
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tnt.register_tnt(definition)
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^ Register a new type of tnt.
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* `name` The name of the node. If no prefix is given `tnt` is used.
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* `description` A description for your TNT.
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* `radius` The radius within which the TNT can destroy nodes. The default is 3.
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* `damage_radius` The radius within which the TNT can damage players and mobs. By default it is twice the `radius`.
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* `disable_drops` Disable drops. By default it is set to false.
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* `ignore_protection` Don't check `minetest.is_protected` before removing a node.
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* `ignore_on_blast` Don't call `on_blast` even if a node has one.
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* `tiles` Textures for node
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* `side` Side tiles. By default the name of the tnt with a suffix of `_side.png`.
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* `top` Top tile. By default the name of the tnt with a suffix of `_top.png`.
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* `bottom` Bottom tile. By default the name of the tnt with a suffix of `_bottom.png`.
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* `burning` Top tile when lit. By default the name of the tnt with a suffix of `_top_burning_animated.png".
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`tnt.boom(position, radius, damage_radius, disable_drops) `
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^ Create an explosion.
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* `position` The center of explosion.
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* `radius` The radius within which nodes can be destroyed.
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* `damage_radius` The distance from the center that players and mobs can get damaged in.
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* `disable_drops` Disable drops.
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* `ignore_protection` Don't check `minetest.is_protected` before removing a node.
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* `ignore_on_blast` Don't call `on_blast` even if a node has one.
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`tnt.burn(pos)`
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^ Ignite TNT at position
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Screwdriver API
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---------------
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@ -1,4 +1,4 @@
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tnt = {}
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-- Default to enabled in singleplayer and disabled in multiplayer
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local singleplayer = minetest.is_singleplayer()
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local setting = minetest.setting_getbool("enable_tnt")
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@ -84,12 +84,12 @@ end
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local fire_node = {name="fire:basic_flame"}
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local function destroy(drops, pos, cid)
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if minetest.is_protected(pos, "") then
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local function destroy(drops, pos, cid, ignore_protection, ignore_on_blast)
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if not ignore_protection and minetest.is_protected(pos, "") then
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return
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end
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local def = cid_data[cid]
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if def and def.on_blast then
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if not ignore_on_blast and def and def.on_blast then
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local node_drops = def.on_blast(vector.new(pos), 1)
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if node_drops then
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for _, item in ipairs(node_drops) do
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@ -128,8 +128,6 @@ local function calc_velocity(pos1, pos2, old_vel, power)
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end
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local function entity_physics(pos, radius)
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-- Make the damage radius larger than the destruction radius
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radius = radius * 2
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local objs = minetest.get_objects_inside_radius(pos, radius)
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for _, obj in pairs(objs) do
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local obj_pos = obj:getpos()
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@ -195,11 +193,12 @@ local function add_effects(pos, radius)
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})
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end
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local function burn(pos)
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function tnt.burn(pos)
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local name = minetest.get_node(pos).name
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if name == "tnt:tnt" then
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local group = minetest.get_item_group(name, "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="tnt:tnt_burning"})
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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.sound_play("tnt_gunpowder_burning", {pos=pos, gain=2})
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@ -208,7 +207,7 @@ local function burn(pos)
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end
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end
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local function explode(pos, radius)
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local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
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local pos = vector.round(pos)
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local vm = VoxelManip()
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local pr = PseudoRandom(os.time())
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@ -234,7 +233,7 @@ local function explode(pos, radius)
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p.y = pos.y + y
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p.z = pos.z + z
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if cid ~= c_air then
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destroy(drops, p, cid)
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destroy(drops, p, cid, ignore_protection, ignore_on_blast)
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end
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end
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vi = vi + 1
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@ -245,58 +244,18 @@ local function explode(pos, radius)
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return drops
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end
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local function boom(pos)
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function 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="tnt:boom"})
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minetest.get_node_timer(pos):start(0.5)
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local drops = explode(pos, radius)
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entity_physics(pos, radius)
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eject_drops(drops, pos, radius)
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add_effects(pos, radius)
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end
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minetest.register_node("tnt:tnt", {
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description = "TNT",
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tiles = {"tnt_top.png", "tnt_bottom.png", "tnt_side.png"},
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is_ground_content = false,
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groups = {dig_immediate=2, mesecon=2},
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sounds = default.node_sound_wood_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.sound_play("tnt_ignite", {pos=pos})
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minetest.set_node(pos, {name="tnt:tnt_burning"})
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local drops = tnt_explode(pos, def.radius, def.ignore_protection,
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def.ignore_on_blast)
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entity_physics(pos, def.damage_radius)
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if not def.disable_drops then
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eject_drops(drops, pos, def.radius)
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end
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end,
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on_blast = function(pos, intensity)
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burn(pos)
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end,
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mesecons = {effector = {action_on = boom}},
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})
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minetest.register_node("tnt:tnt_burning", {
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tiles = {
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{
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name = "tnt_top_burning_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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"tnt_bottom.png", "tnt_side.png"},
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light_source = 5,
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drop = "",
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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minetest.get_node_timer(pos):start(4)
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end,
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on_timer = boom,
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-- unaffected by explosions
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on_blast = function() end,
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})
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add_effects(pos, def.radius)
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end
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minetest.register_node("tnt:boom", {
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drawtype = "plantlike",
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@ -331,11 +290,11 @@ minetest.register_node("tnt:gunpowder", {
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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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burn(pos)
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tnt.burn(pos)
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end
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end,
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on_blast = function(pos, intensity)
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burn(pos)
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tnt.burn(pos)
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end,
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})
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@ -393,7 +352,7 @@ minetest.register_node("tnt:gunpowder_burning", {
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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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burn({
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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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@ -409,11 +368,11 @@ minetest.register_node("tnt:gunpowder_burning", {
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})
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minetest.register_abm({
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nodenames = {"tnt:tnt", "tnt:gunpowder"},
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nodenames = {"group:tnt", "tnt:gunpowder"},
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neighbors = {"fire:basic_flame", "default:lava_source", "default:lava_flowing"},
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interval = 4,
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chance = 1,
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action = burn,
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action = tnt.burn,
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})
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minetest.register_craft({
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@ -430,3 +389,74 @@ minetest.register_craft({
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{"", "group:wood", ""}
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}
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})
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function 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 = "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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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},
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sounds = default.node_sound_wood_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.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(4)
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end
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end,
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on_blast = function(pos, intensity)
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tnt.burn(pos)
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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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tnt.boom(pos, def)
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end
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}
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},
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})
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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_wood_defaults(),
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on_timer = function(pos, elapsed)
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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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})
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end
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tnt.register_tnt({
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name = "tnt:tnt",
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description = "TNT",
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radius = radius,
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})
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