diff options
| -rw-r--r-- | api.lua_testspawn | 3985 |
1 files changed, 3985 insertions, 0 deletions
diff --git a/api.lua_testspawn b/api.lua_testspawn new file mode 100644 index 0000000..471df35 --- /dev/null +++ b/api.lua_testspawn @@ -0,0 +1,3985 @@ + +-- Mobs Api + +mobs = {} +mobs.mod = "redo" +mobs.version = "20180623" + + +-- Intllib +local MP = minetest.get_modpath(minetest.get_current_modname()) +local S, NS = dofile(MP .. "/intllib.lua") +mobs.intllib = S + + +-- CMI support check +local use_cmi = minetest.global_exists("cmi") + + +-- Invisibility mod check +mobs.invis = {} +if minetest.global_exists("invisibility") then + mobs.invis = invisibility +end + + +-- creative check +local creative_mode_cache = minetest.settings:get_bool("creative_mode") +function mobs.is_creative(name) + return creative_mode_cache or minetest.check_player_privs(name, {creative = true}) +end + + +-- localize math functions +local pi = math.pi +local square = math.sqrt +local sin = math.sin +local cos = math.cos +local abs = math.abs +local min = math.min +local max = math.max +local atann = math.atan +local random = math.random +local floor = math.floor +local atan = function(x) + if not x or x ~= x then + --error("atan bassed NaN") + return 0 + else + return atann(x) + end +end + + +-- Load settings +local damage_enabled = minetest.settings:get_bool("enable_damage") +local mobs_spawn = minetest.settings:get_bool("mobs_spawn") ~= false +local peaceful_only = minetest.settings:get_bool("only_peaceful_mobs") +local disable_blood = minetest.settings:get_bool("mobs_disable_blood") +local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false +local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false +local creative = minetest.settings:get_bool("creative_mode") +local spawn_protected = minetest.settings:get_bool("mobs_spawn_protected") ~= false +local remove_far = minetest.settings:get_bool("remove_far_mobs") ~= false +local difficulty = tonumber(minetest.settings:get("mob_difficulty")) or 1.0 +local show_health = minetest.settings:get_bool("mob_show_health") ~= false +local max_per_block = tonumber(minetest.settings:get("max_objects_per_block") or 99) +local mob_chance_multiplier = tonumber(minetest.settings:get("mob_chance_multiplier") or 1) + +-- Peaceful mode message so players will know there are no monsters +if peaceful_only then + minetest.register_on_joinplayer(function(player) + minetest.chat_send_player(player:get_player_name(), + S("** Peaceful Mode Active - No Monsters Will Spawn")) + end) +end + +-- calculate aoc range for mob count +local aosrb = tonumber(minetest.settings:get("active_object_send_range_blocks")) +local abr = tonumber(minetest.settings:get("active_block_range")) +local aoc_range = max(aosrb, abr) * 16 + +-- pathfinding settings +local enable_pathfinding = true +local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching +local stuck_path_timeout = 10 -- how long will mob follow path before giving up + +-- default nodes +local node_fire = "fire:basic_flame" +local node_permanent_flame = "fire:permanent_flame" +local node_ice = "default:ice" +local node_snowblock = "default:snowblock" +local node_snow = "default:snow" +mobs.fallback_node = minetest.registered_aliases["mapgen_dirt"] or "default:dirt" + + +-- play sound +local mob_sound = function(self, sound) + + if sound then + minetest.sound_play(sound, { + object = self.object, + gain = 1.0, + max_hear_distance = self.sounds.distance + }) + end +end + + +-- attack player/mob +local do_attack = function(self, player) + + if self.state == "attack" then + return + end + + self.attack = player + self.state = "attack" + + if random(0, 100) < 90 then + mob_sound(self, self.sounds.war_cry) + end +end + + +-- move mob in facing direction +local set_velocity = function(self, v) + + -- do not move if mob has been ordered to stay + if self.order == "stand" then + self.object:setvelocity({x = 0, y = 0, z = 0}) + return + end + + local yaw = (self.object:get_yaw() or 0) + self.rotate + + self.object:setvelocity({ + x = sin(yaw) * -v, + y = self.object:getvelocity().y, + z = cos(yaw) * v + }) +end + + +-- calculate mob velocity +local get_velocity = function(self) + + local v = self.object:getvelocity() + + return (v.x * v.x + v.z * v.z) ^ 0.5 +end + + +-- set and return valid yaw +local set_yaw = function(self, yaw, delay) + + if not yaw or yaw ~= yaw then + yaw = 0 + end + + delay = delay or 0 + + if delay == 0 then + self.object:set_yaw(yaw) + return yaw + end + + self.target_yaw = yaw + self.delay = delay + + return self.target_yaw +end + +-- global function to set mob yaw +function mobs:yaw(self, yaw, delay) + set_yaw(self, yaw, delay) +end + + +-- set defined animation +local set_animation = function(self, anim) + + if not self.animation + or not anim then return end + + self.animation.current = self.animation.current or "" + + if anim == self.animation.current + or not self.animation[anim .. "_start"] + or not self.animation[anim .. "_end"] then + return + end + + self.animation.current = anim + + self.object:set_animation({ + x = self.animation[anim .. "_start"], + y = self.animation[anim .. "_end"]}, + self.animation[anim .. "_speed"] or self.animation.speed_normal or 15, + 0, self.animation[anim .. "_loop"] ~= false) +end + + +-- above function exported for mount.lua +function mobs:set_animation(self, anim) + set_animation(self, anim) +end + + +-- calculate distance +local get_distance = function(a, b) + + local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z + + return square(x * x + y * y + z * z) +end + + +-- check line of sight (BrunoMine) +local line_of_sight = function(self, pos1, pos2, stepsize) + + stepsize = stepsize or 1 + + local s, pos = minetest.line_of_sight(pos1, pos2, stepsize) + + -- normal walking and flying mobs can see you through air + if s == true then + return true + end + + -- New pos1 to be analyzed + local npos1 = {x = pos1.x, y = pos1.y, z = pos1.z} + + local r, pos = minetest.line_of_sight(npos1, pos2, stepsize) + + -- Checks the return + if r == true then return true end + + -- Nodename found + local nn = minetest.get_node(pos).name + + -- Target Distance (td) to travel + local td = get_distance(pos1, pos2) + + -- Actual Distance (ad) traveled + local ad = 0 + + -- It continues to advance in the line of sight in search of a real + -- obstruction which counts as 'normal' nodebox. + while minetest.registered_nodes[nn] + and (minetest.registered_nodes[nn].walkable == false + or minetest.registered_nodes[nn].drawtype == "nodebox") do + + -- Check if you can still move forward + if td < ad + stepsize then + return true -- Reached the target + end + + -- Moves the analyzed pos + local d = get_distance(pos1, pos2) + + npos1.x = ((pos2.x - pos1.x) / d * stepsize) + pos1.x + npos1.y = ((pos2.y - pos1.y) / d * stepsize) + pos1.y + npos1.z = ((pos2.z - pos1.z) / d * stepsize) + pos1.z + + -- NaN checks + if d == 0 + or npos1.x ~= npos1.x + or npos1.y ~= npos1.y + or npos1.z ~= npos1.z then + return false + end + + ad = ad + stepsize + + -- scan again + r, pos = minetest.line_of_sight(npos1, pos2, stepsize) + + if r == true then return true end + + -- New Nodename found + nn = minetest.get_node(pos).name + + end + + return false +end + + +-- are we flying in what we are suppose to? (taikedz) +local flight_check = function(self, pos_w) + + local def = minetest.registered_nodes[self.standing_in] + + if not def then return false end -- nil check + + if type(self.fly_in) == "string" + and self.standing_in == self.fly_in then + + return true + + elseif type(self.fly_in) == "table" then + + for _,fly_in in pairs(self.fly_in) do + + if self.standing_in == fly_in then + + return true + end + end + end + + -- stops mobs getting stuck inside stairs and plantlike nodes + if def.drawtype ~= "airlike" + and def.drawtype ~= "liquid" + and def.drawtype ~= "flowingliquid" then + return true + end + + return false +end + + +-- custom particle effects +local effect = function(pos, amount, texture, min_size, max_size, radius, gravity, glow) + + radius = radius or 2 + min_size = min_size or 0.5 + max_size = max_size or 1 + gravity = gravity or -10 + glow = glow or 0 + + minetest.add_particlespawner({ + amount = amount, + time = 0.25, + minpos = pos, + maxpos = pos, + minvel = {x = -radius, y = -radius, z = -radius}, + maxvel = {x = radius, y = radius, z = radius}, + minacc = {x = 0, y = gravity, z = 0}, + maxacc = {x = 0, y = gravity, z = 0}, + minexptime = 0.1, + maxexptime = 1, + minsize = min_size, + maxsize = max_size, + texture = texture, + glow = glow, + }) +end + + +-- update nametag colour +local update_tag = function(self) + + local col = "#00FF00" + local qua = self.hp_max / 4 + + if self.health <= floor(qua * 3) then + col = "#FFFF00" + end + + if self.health <= floor(qua * 2) then + col = "#FF6600" + end + + if self.health <= floor(qua) then + col = "#FF0000" + end + + self.object:set_properties({ + nametag = self.nametag, + nametag_color = col + }) + +end + + +-- drop items +local item_drop = function(self, cooked) + + -- no drops if disabled by setting + if not mobs_drop_items then return end + + -- no drops for child mobs + if self.child then return end + + local obj, item, num + local pos = self.object:get_pos() + + self.drops = self.drops or {} -- nil check + + for n = 1, #self.drops do + + if random(1, self.drops[n].chance) == 1 then + + num = random(self.drops[n].min or 1, self.drops[n].max or 1) + item = self.drops[n].name + + -- cook items when true + if cooked then + + local output = minetest.get_craft_result({ + method = "cooking", width = 1, items = {item}}) + + if output and output.item and not output.item:is_empty() then + item = output.item:get_name() + end + end + + -- add item if it exists + obj = minetest.add_item(pos, ItemStack(item .. " " .. num)) + + if obj and obj:get_luaentity() then + + obj:setvelocity({ + x = random(-10, 10) / 9, + y = 6, + z = random(-10, 10) / 9, + }) + elseif obj then + obj:remove() -- item does not exist + end + end + end + + self.drops = {} +end + + +-- check if mob is dead or only hurt +local check_for_death = function(self, cause, cmi_cause) + + -- has health actually changed? + if self.health == self.old_health and self.health > 0 then + return + end + + self.old_health = self.health + + -- still got some health? play hurt sound + if self.health > 0 then + + mob_sound(self, self.sounds.damage) + + -- make sure health isn't higher than max + if self.health > self.hp_max then + self.health = self.hp_max + end + + -- backup nametag so we can show health stats + if not self.nametag2 then + self.nametag2 = self.nametag or "" + end + + if show_health + and (cmi_cause and cmi_cause.type == "punch") then + + self.htimer = 2 + self.nametag = "♥ " .. self.health .. " / " .. self.hp_max + + update_tag(self) + end + + return false + end + + -- dropped cooked item if mob died in lava + if cause == "lava" then + item_drop(self, true) + else + item_drop(self, nil) + end + + mob_sound(self, self.sounds.death) + + local pos = self.object:get_pos() + + -- execute custom death function + if self.on_die then + + self.on_die(self, pos) + + if use_cmi then + cmi.notify_die(self.object, cmi_cause) + end + + self.object:remove() + + return true + end + + -- default death function and die animation (if defined) + if self.animation + and self.animation.die_start + and self.animation.die_end then + + local frames = self.animation.die_end - self.animation.die_start + local speed = self.animation.die_speed or 15 + local length = max(frames / speed, 0) + + self.attack = nil + self.v_start = false + self.timer = 0 + self.blinktimer = 0 + self.passive = true + self.state = "die" + set_velocity(self, 0) + set_animation(self, "die") + + minetest.after(length, function(self) + + if use_cmi and self.object:get_luaentity() then + cmi.notify_die(self.object, cmi_cause) + end + + self.object:remove() + end, self) + else + + if use_cmi then + cmi.notify_die(self.object, cmi_cause) + end + + self.object:remove() + end + + effect(pos, 20, "tnt_smoke.png") + + return true +end + + +-- check if within physical map limits (-30911 to 30927) +local within_limits = function(pos, radius) + + if (pos.x - radius) > -30913 + and (pos.x + radius) < 30928 + and (pos.y - radius) > -30913 + and (pos.y + radius) < 30928 + and (pos.z - radius) > -30913 + and (pos.z + radius) < 30928 then + return true -- within limits + end + + return false -- beyond limits +end + + +-- is mob facing a cliff +local is_at_cliff = function(self) + + if self.fear_height == 0 then -- 0 for no falling protection! + return false + end + + local yaw = self.object:get_yaw() + local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5) + local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5) + local pos = self.object:get_pos() + local ypos = pos.y + self.collisionbox[2] -- just above floor + + if minetest.line_of_sight( + {x = pos.x + dir_x, y = ypos, z = pos.z + dir_z}, + {x = pos.x + dir_x, y = ypos - self.fear_height, z = pos.z + dir_z} + , 1) then + + return true + end + + return false +end + + +-- get node but use fallback for nil or unknown +local node_ok = function(pos, fallback) + + fallback = fallback or mobs.fallback_node + + local node = minetest.get_node_or_nil(pos) + + if node and minetest.registered_nodes[node.name] then + return node + end + + return minetest.registered_nodes[fallback] +end + + +-- environmental damage (water, lava, fire, light etc.) +local do_env_damage = function(self) + + -- feed/tame text timer (so mob 'full' messages dont spam chat) + if self.htimer > 0 then + self.htimer = self.htimer - 1 + end + + -- reset nametag after showing health stats + if self.htimer < 1 and self.nametag2 then + + self.nametag = self.nametag2 + self.nametag2 = nil + + update_tag(self) + end + + local pos = self.object:get_pos() + + self.time_of_day = minetest.get_timeofday() + + -- remove mob if beyond map limits + if not within_limits(pos, 0) then + self.object:remove() + return + end + + -- bright light harms mob + if self.light_damage ~= 0 +-- and pos.y > 0 +-- and self.time_of_day > 0.2 +-- and self.time_of_day < 0.8 + and (minetest.get_node_light(pos) or 0) > 12 then + + self.health = self.health - self.light_damage + + effect(pos, 5, "tnt_smoke.png") + + if check_for_death(self, "light", {type = "light"}) then return end + end +--[[ + local y_level = self.collisionbox[2] + + if self.child then + y_level = self.collisionbox[2] * 0.5 + end + + -- what is mob standing in? + pos.y = pos.y + y_level + 0.25 -- foot level + self.standing_in = node_ok(pos, "air").name +-- print ("standing in " .. self.standing_in) +]] + -- don't fall when on ignore, just stand still + if self.standing_in == "ignore" then + self.object:setvelocity({x = 0, y = 0, z = 0}) + end + + local nodef = minetest.registered_nodes[self.standing_in] + + pos.y = pos.y + 1 -- for particle effect position + + -- water + if self.water_damage + and nodef.groups.water then + + if self.water_damage ~= 0 then + + self.health = self.health - self.water_damage + + effect(pos, 5, "bubble.png", nil, nil, 1, nil) + + if check_for_death(self, "water", {type = "environment", + pos = pos, node = self.standing_in}) then return end + end + + -- lava or fire + elseif self.lava_damage + and (nodef.groups.lava + or self.standing_in == node_fire + or self.standing_in == node_permanent_flame) then + + if self.lava_damage ~= 0 then + + self.health = self.health - self.lava_damage + + effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil) + + if check_for_death(self, "lava", {type = "environment", + pos = pos, node = self.standing_in}) then return end + end + + -- damage_per_second node check + elseif nodef.damage_per_second ~= 0 then + + self.health = self.health - nodef.damage_per_second + + effect(pos, 5, "tnt_smoke.png") + + if check_for_death(self, "dps", {type = "environment", + pos = pos, node = self.standing_in}) then return end + end +--[[ + --- suffocation inside solid node + if self.suffocation ~= 0 + and nodef.walkable == true + and nodef.groups.disable_suffocation ~= 1 + and nodef.drawtype == "normal" then + + self.health = self.health - self.suffocation + + if check_for_death(self, "suffocation", {type = "environment", + pos = pos, node = self.standing_in}) then return end + end +]] + check_for_death(self, "", {type = "unknown"}) +end + + +-- jump if facing a solid node (not fences or gates) +local do_jump = function(self) + + if not self.jump + or self.jump_height == 0 + or self.fly + or self.child + or self.order == "stand" then + return false + end + + self.facing_fence = false + + -- something stopping us while moving? + if self.state ~= "stand" + and get_velocity(self) > 0.5 + and self.object:getvelocity().y ~= 0 then + return false + end + + local pos = self.object:get_pos() + local yaw = self.object:get_yaw() + + -- what is mob standing on? + pos.y = pos.y + self.collisionbox[2] - 0.2 + + local nod = node_ok(pos) + +--print ("standing on:", nod.name, pos.y) + + if minetest.registered_nodes[nod.name].walkable == false then + return false + end + + -- where is front + local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5) + local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5) + + -- what is in front of mob? + local nod = node_ok({ + x = pos.x + dir_x, + y = pos.y + 0.5, + z = pos.z + dir_z + }) + + -- thin blocks that do not need to be jumped + if nod.name == node_snow then + return false + end + +--print ("in front:", nod.name, pos.y + 0.5) + + if self.walk_chance == 0 + or minetest.registered_items[nod.name].walkable then + + if not nod.name:find("fence") + and not nod.name:find("gate") then + + local v = self.object:getvelocity() + + v.y = self.jump_height + + set_animation(self, "jump") -- only when defined + + self.object:setvelocity(v) + + -- when in air move forward + minetest.after(0.3, function(self, v) + + if self.object:get_luaentity() then + + self.object:set_acceleration({ + x = v.x * 2,--1.5, + y = 0, + z = v.z * 2,--1.5 + }) + end + end, self, v) + + if get_velocity(self) > 0 then + mob_sound(self, self.sounds.jump) + end + else + self.facing_fence = true + end + + return true + end + + return false +end + + +-- blast damage to entities nearby (modified from TNT mod) +local entity_physics = function(pos, radius) + + radius = radius * 2 + + local objs = minetest.get_objects_inside_radius(pos, radius) + local obj_pos, dist + + for n = 1, #objs do + + obj_pos = objs[n]:get_pos() + + dist = get_distance(pos, obj_pos) + if dist < 1 then dist = 1 end + + local damage = floor((4 / dist) * radius) + local ent = objs[n]:get_luaentity() + + -- punches work on entities AND players + objs[n]:punch(objs[n], 1.0, { + full_punch_interval = 1.0, + damage_groups = {fleshy = damage}, + }, pos) + end +end + + +-- should mob follow what I'm holding ? +local follow_holding = function(self, clicker) + + if mobs.invis[clicker:get_player_name()] then + return false + end + + local item = clicker:get_wielded_item() + local t = type(self.follow) + + -- single item + if t == "string" + and item:get_name() == self.follow then + return true + + -- multiple items + elseif t == "table" then + + for no = 1, #self.follow do + + if self.follow[no] == item:get_name() then + return true + end + end + end + + return false +end + + +-- find two animals of same type and breed if nearby and horny +local breed = function(self) + + -- child takes 240 seconds before growing into adult + if self.child == true then + + self.hornytimer = self.hornytimer + 1 + + if self.hornytimer > 240 then + + self.child = false + self.hornytimer = 0 + + self.object:set_properties({ + textures = self.base_texture, + mesh = self.base_mesh, + visual_size = self.base_size, + collisionbox = self.base_colbox, + selectionbox = self.base_selbox, + }) + + -- custom function when child grows up + if self.on_grown then + self.on_grown(self) + else + -- jump when fully grown so as not to fall into ground + self.object:setvelocity({ + x = 0, + y = self.jump_height, + z = 0 + }) + end + end + + return + end + + -- horny animal can mate for 40 seconds, + -- afterwards horny animal cannot mate again for 200 seconds + if self.horny == true + and self.hornytimer < 240 then + + self.hornytimer = self.hornytimer + 1 + + if self.hornytimer >= 240 then + self.hornytimer = 0 + self.horny = false + end + end + + -- find another same animal who is also horny and mate if nearby + if self.horny == true + and self.hornytimer <= 40 then + + local pos = self.object:get_pos() + + effect({x = pos.x, y = pos.y + 1, z = pos.z}, 8, "heart.png", 3, 4, 1, 0.1) + + local objs = minetest.get_objects_inside_radius(pos, 3) + local num = 0 + local ent = nil + + for n = 1, #objs do + + ent = objs[n]:get_luaentity() + + -- check for same animal with different colour + local canmate = false + + if ent then + + if ent.name == self.name then + canmate = true + else + local entname = string.split(ent.name,":") + local selfname = string.split(self.name,":") + + if entname[1] == selfname[1] then + entname = string.split(entname[2],"_") + selfname = string.split(selfname[2],"_") + + if entname[1] == selfname[1] then + canmate = true + end + end + end + end + + if ent + and canmate == true + and ent.horny == true + and ent.hornytimer <= 40 then + num = num + 1 + end + + -- found your mate? then have a baby + if num > 1 then + + self.hornytimer = 41 + ent.hornytimer = 41 + + -- spawn baby + minetest.after(5, function(self, ent) + + if not self.object:get_luaentity() then + return + end + + -- custom breed function + if self.on_breed then + + -- when false skip going any further + if self.on_breed(self, ent) == false then + return + end + else + effect(pos, 15, "tnt_smoke.png", 1, 2, 2, 15, 5) + end + + local mob = minetest.add_entity(pos, self.name) + local ent2 = mob:get_luaentity() + local textures = self.base_texture + + -- using specific child texture (if found) + if self.child_texture then + textures = self.child_texture[1] + end + + -- and resize to half height + mob:set_properties({ + textures = textures, + visual_size = { + x = self.base_size.x * .5, + y = self.base_size.y * .5, + }, + collisionbox = { + self.base_colbox[1] * .5, + self.base_colbox[2] * .5, + self.base_colbox[3] * .5, + self.base_colbox[4] * .5, + self.base_colbox[5] * .5, + self.base_colbox[6] * .5, + }, + selectionbox = { + self.base_selbox[1] * .5, + self.base_selbox[2] * .5, + self.base_selbox[3] * .5, + self.base_selbox[4] * .5, + self.base_selbox[5] * .5, + self.base_selbox[6] * .5, + }, + }) + -- tamed and owned by parents' owner + ent2.child = true + ent2.tamed = true + ent2.owner = self.owner + end, self, ent) + + num = 0 + + break + end + end + end +end + + +-- find and replace what mob is looking for (grass, wheat etc.) +local replace = function(self, pos) + + if not mobs_griefing + or not self.replace_rate + or not self.replace_what + or self.child == true + or self.object:getvelocity().y ~= 0 + or random(1, self.replace_rate) > 1 then + return + end + + local what, with, y_offset + + if type(self.replace_what[1]) == "table" then + + local num = random(#self.replace_what) + + what = self.replace_what[num][1] or "" + with = self.replace_what[num][2] or "" + y_offset = self.replace_what[num][3] or 0 + else + what = self.replace_what + with = self.replace_with or "" + y_offset = self.replace_offset or 0 + end + + pos.y = pos.y + y_offset + + if #minetest.find_nodes_in_area(pos, pos, what) > 0 then + +-- print ("replace node = ".. minetest.get_node(pos).name, pos.y) + + local oldnode = {name = what} + local newnode = {name = with} + local on_replace_return + + if self.on_replace then + on_replace_return = self.on_replace(self, pos, oldnode, newnode) + end + + if on_replace_return ~= false then + + minetest.set_node(pos, {name = with}) + + -- when cow/sheep eats grass, replace wool and milk + if self.gotten == true then + self.gotten = false + self.object:set_properties(self) + end + end + end +end + + +-- check if daytime and also if mob is docile during daylight hours +local day_docile = function(self) + + if self.docile_by_day == false then + + return false + + elseif self.docile_by_day == true + and self.time_of_day > 0.2 + and self.time_of_day < 0.8 then + + return true + end +end + + +local los_switcher = false +local height_switcher = false + +-- path finding and smart mob routine by rnd, line_of_sight and other edits by Elkien3 +local smart_mobs = function(self, s, p, dist, dtime) + + local s1 = self.path.lastpos + + local target_pos = self.attack:get_pos() + + -- is it becoming stuck? + if abs(s1.x - s.x) + abs(s1.z - s.z) < .5 then + self.path.stuck_timer = self.path.stuck_timer + dtime + else + self.path.stuck_timer = 0 + end + + self.path.lastpos = {x = s.x, y = s.y, z = s.z} + + local use_pathfind = false + local has_lineofsight = minetest.line_of_sight( + {x = s.x, y = (s.y) + .5, z = s.z}, + {x = target_pos.x, y = (target_pos.y) + 1.5, z = target_pos.z}, .2) + + -- im stuck, search for path + if not has_lineofsight then + + if los_switcher == true then + use_pathfind = true + los_switcher = false + end -- cannot see target! + else + if los_switcher == false then + + los_switcher = true + use_pathfind = false + + minetest.after(1, function(self) + + if self.object:get_luaentity() then + + if has_lineofsight then + self.path.following = false + end + end + end, self) + end -- can see target! + end + + if (self.path.stuck_timer > stuck_timeout and not self.path.following) then + + use_pathfind = true + self.path.stuck_timer = 0 + + minetest.after(1, function(self) + + if self.object:get_luaentity() then + + if has_lineofsight then + self.path.following = false + end + end + end, self) + end + + if (self.path.stuck_timer > stuck_path_timeout and self.path.following) then + + use_pathfind = true + self.path.stuck_timer = 0 + + minetest.after(1, function(self) + + if self.object:get_luaentity() then + + if has_lineofsight then + self.path.following = false + end + end + end, self) + end + + if math.abs(vector.subtract(s,target_pos).y) > self.stepheight then + + if height_switcher then + use_pathfind = true + height_switcher = false + end + else + if not height_switcher then + use_pathfind = false + height_switcher = true + end + end + + if use_pathfind then + -- lets try find a path, first take care of positions + -- since pathfinder is very sensitive + local sheight = self.collisionbox[5] - self.collisionbox[2] + + -- round position to center of node to avoid stuck in walls + -- also adjust height for player models! + s.x = floor(s.x + 0.5) +-- s.y = floor(s.y + 0.5) - sheight + s.z = floor(s.z + 0.5) + + local ssight, sground = minetest.line_of_sight(s, { + x = s.x, y = s.y - 4, z = s.z}, 1) + + -- determine node above ground + if not ssight then + s.y = sground.y + 1 + end + + local p1 = self.attack:get_pos() + + p1.x = floor(p1.x + 0.5) + p1.y = floor(p1.y + 0.5) + p1.z = floor(p1.z + 0.5) + + local dropheight = 6 + if self.fear_height ~= 0 then dropheight = self.fear_height end + + self.path.way = minetest.find_path(s, p1, 16, self.stepheight, dropheight, "Dijkstra") +--[[ + -- show path using particles + if self.path.way and #self.path.way > 0 then + print ("-- path length:" .. tonumber(#self.path.way)) + for _,pos in pairs(self.path.way) do + minetest.add_particle({ + pos = pos, + velocity = {x=0, y=0, z=0}, + acceleration = {x=0, y=0, z=0}, + expirationtime = 1, + size = 4, + collisiondetection = false, + vertical = false, + texture = "heart.png", + }) + end + end +]] + + self.state = "" + do_attack(self, self.attack) + + -- no path found, try something else + if not self.path.way then + + self.path.following = false + + -- lets make way by digging/building if not accessible + if self.pathfinding == 2 and mobs_griefing then + + -- is player higher than mob? + if s.y < p1.y then + + -- build upwards + if not minetest.is_protected(s, "") then + + local ndef1 = minetest.registered_nodes[self.standing_in] + + if ndef1 and (ndef1.buildable_to or ndef1.groups.liquid) then + + minetest.set_node(s, {name = mobs.fallback_node}) + end + end + + local sheight = math.ceil(self.collisionbox[5]) + 1 + + -- assume mob is 2 blocks high so it digs above its head + s.y = s.y + sheight + + -- remove one block above to make room to jump + if not minetest.is_protected(s, "") then + + local node1 = node_ok(s, "air").name + local ndef1 = minetest.registered_nodes[node1] + + if node1 ~= "air" + and node1 ~= "ignore" + and ndef1 + and not ndef1.groups.level + and not ndef1.groups.unbreakable + and not ndef1.groups.liquid then + + minetest.set_node(s, {name = "air"}) + minetest.add_item(s, ItemStack(node1)) + + end + end + + s.y = s.y - sheight + self.object:setpos({x = s.x, y = s.y + 2, z = s.z}) + + else -- dig 2 blocks to make door toward player direction + + local yaw1 = self.object:get_yaw() + pi / 2 + local p1 = { + x = s.x + cos(yaw1), + y = s.y, + z = s.z + sin(yaw1) + } + + if not minetest.is_protected(p1, "") then + + local node1 = node_ok(p1, "air").name + local ndef1 = minetest.registered_nodes[node1] + + if node1 ~= "air" + and node1 ~= "ignore" + and ndef1 + and not ndef1.groups.level + and not ndef1.groups.unbreakable + and not ndef1.groups.liquid then + + minetest.add_item(p1, ItemStack(node1)) + minetest.set_node(p1, {name = "air"}) + end + + p1.y = p1.y + 1 + node1 = node_ok(p1, "air").name + ndef1 = minetest.registered_nodes[node1] + + if node1 ~= "air" + and node1 ~= "ignore" + and ndef1 + and not ndef1.groups.level + and not ndef1.groups.unbreakable + and not ndef1.groups.liquid then + + minetest.add_item(p1, ItemStack(node1)) + minetest.set_node(p1, {name = "air"}) + end + + end + end + end + + -- will try again in 2 second + self.path.stuck_timer = stuck_timeout - 2 + + -- frustration! cant find the damn path :( + mob_sound(self, self.sounds.random) + else + -- yay i found path + mob_sound(self, self.sounds.war_cry) + set_velocity(self, self.walk_velocity) + + -- follow path now that it has it + self.path.following = true + end + end +end + + +-- specific attacks +local specific_attack = function(list, what) + + -- no list so attack default (player, animals etc.) + if list == nil then + return true + end + + -- found entity on list to attack? + for no = 1, #list do + + if list[no] == what then + return true + end + end + + return false +end + + +-- monster find someone to attack +local monster_attack = function(self) + + if self.type ~= "monster" + or not damage_enabled + or creative + or self.state == "attack" + or day_docile(self) then + return + end + + local s = self.object:get_pos() + local p, sp, dist + local player, obj, min_player + local type, name = "", "" + local min_dist = self.view_range + 1 + local objs = minetest.get_objects_inside_radius(s, self.view_range) + + for n = 1, #objs do + + if objs[n]:is_player() then + + if mobs.invis[ objs[n]:get_player_name() ] then + + type = "" + else + player = objs[n] + type = "player" + name = "player" + end + else + obj = objs[n]:get_luaentity() + + if obj then + player = obj.object + type = obj.type + name = obj.name or "" + end + end + + -- find specific mob to attack, failing that attack player/npc/animal + if specific_attack(self.specific_attack, name) + and (type == "player" or type == "npc" + or (type == "animal" and self.attack_animals == true)) then + + p = player:get_pos() + sp = s + + dist = get_distance(p, s) + + -- aim higher to make looking up hills more realistic + p.y = p.y + 1 + sp.y = sp.y + 1 + + + -- choose closest player to attack + if dist < min_dist + and line_of_sight(self, sp, p, 2) == true then + min_dist = dist + min_player = player + end + end + end + + -- attack player + if min_player then + do_attack(self, min_player) + end +end + + +-- npc, find closest monster to attack +local npc_attack = function(self) + + if self.type ~= "npc" + or not self.attacks_monsters + or self.state == "attack" then + return + end + + local p, sp, obj, min_player, dist + local s = self.object:get_pos() + local min_dist = self.view_range + 1 + local objs = minetest.get_objects_inside_radius(s, self.view_range) + + for n = 1, #objs do + + obj = objs[n]:get_luaentity() + + if obj and obj.type == "monster" then + + p = obj.object:get_pos() + sp = s + + dist = get_distance(p, s) + + -- aim higher to make looking up hills more realistic + p.y = p.y + 1 + sp.y = sp.y + 1 + + if dist < min_dist + and line_of_sight(self, sp, p, 2) == true then + min_dist = dist + min_player = obj.object + end + end + end + + if min_player then + do_attack(self, min_player) + end +end + + +-- specific runaway +local specific_runaway = function(list, what) + + -- no list so do not run + if list == nil then + return false + end + + -- found entity on list to attack? + for no = 1, #list do + + if list[no] == what then + return true + end + end + + return false +end + + +-- find someone to runaway from +local runaway_from = function(self) + + if not self.runaway_from then + return + end + + local s = self.object:get_pos() + local p, sp, dist + local player, obj, min_player + local type, name = "", "" + local min_dist = self.view_range + 1 + local objs = minetest.get_objects_inside_radius(s, self.view_range) + + for n = 1, #objs do + + if objs[n]:is_player() then + + if mobs.invis[ objs[n]:get_player_name() ] + or self.owner == objs[n]:get_player_name() then + + type = "" + else + player = objs[n] + type = "player" + name = "player" + end + else + obj = objs[n]:get_luaentity() + + if obj then + player = obj.object + type = obj.type + name = obj.name or "" + end + end + + -- find specific mob to runaway from + if name ~= "" and name ~= self.name + and specific_runaway(self.runaway_from, name) then + + p = player:get_pos() + sp = s + + -- aim higher to make looking up hills more realistic + p.y = p.y + 1 + sp.y = sp.y + 1 + + dist = get_distance(p, s) + + + -- choose closest player/mpb to runaway from + if dist < min_dist + and line_of_sight(self, sp, p, 2) == true then + min_dist = dist + min_player = player + end + end + end + + if min_player then + + local lp = player:get_pos() + local vec = { + x = lp.x - s.x, + y = lp.y - s.y, + z = lp.z - s.z + } + + local yaw = (atan(vec.z / vec.x) + 3 * pi / 2) - self.rotate + + if lp.x > s.x then + yaw = yaw + pi + end + + yaw = set_yaw(self, yaw, 4) + self.state = "runaway" + self.runaway_timer = 3 + self.following = nil + end +end + + +-- follow player if owner or holding item, if fish outta water then flop +local follow_flop = function(self) + + -- find player to follow + if (self.follow ~= "" + or self.order == "follow") + and not self.following + and self.state ~= "attack" + and self.state ~= "runaway" then + + local s = self.object:get_pos() + local players = minetest.get_connected_players() + + for n = 1, #players do + + if get_distance(players[n]:get_pos(), s) < self.view_range + and not mobs.invis[ players[n]:get_player_name() ] then + + self.following = players[n] + + break + end + end + end + + if self.type == "npc" + and self.order == "follow" + and self.state ~= "attack" + and self.owner ~= "" then + + -- npc stop following player if not owner + if self.following + and self.owner + and self.owner ~= self.following:get_player_name() then + self.following = nil + end + else + -- stop following player if not holding specific item + if self.following + and self.following:is_player() + and follow_holding(self, self.following) == false then + self.following = nil + end + + end + + -- follow that thing + if self.following then + + local s = self.object:get_pos() + local p + + if self.following:is_player() then + + p = self.following:get_pos() + + elseif self.following.object then + + p = self.following.object:get_pos() + end + + if p then + + local dist = get_distance(p, s) + + -- dont follow if out of range + if dist > self.view_range then + self.following = nil + else + local vec = { + x = p.x - s.x, + z = p.z - s.z + } + + local yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if p.x > s.x then yaw = yaw + pi end + + yaw = set_yaw(self, yaw, 6) + + -- anyone but standing npc's can move along + if dist > self.reach + and self.order ~= "stand" then + + set_velocity(self, self.walk_velocity) + + if self.walk_chance ~= 0 then + set_animation(self, "walk") + end + else + set_velocity(self, 0) + set_animation(self, "stand") + end + + return + end + end + end + + -- swimmers flop when out of their element, and swim again when back in + if self.fly then + local s = self.object:get_pos() + if not flight_check(self, s) then + + self.state = "flop" + self.object:setvelocity({x = 0, y = -5, z = 0}) + + set_animation(self, "stand") + + return + elseif self.state == "flop" then + self.state = "stand" + end + end +end + + +-- dogshoot attack switch and counter function +local dogswitch = function(self, dtime) + + -- switch mode not activated + if not self.dogshoot_switch + or not dtime then + return 0 + end + + self.dogshoot_count = self.dogshoot_count + dtime + + if (self.dogshoot_switch == 1 + and self.dogshoot_count > self.dogshoot_count_max) + or (self.dogshoot_switch == 2 + and self.dogshoot_count > self.dogshoot_count2_max) then + + self.dogshoot_count = 0 + + if self.dogshoot_switch == 1 then + self.dogshoot_switch = 2 + else + self.dogshoot_switch = 1 + end + end + + return self.dogshoot_switch +end + + +-- execute current state (stand, walk, run, attacks) +local do_states = function(self, dtime) + + local yaw = self.object:get_yaw() or 0 + + if self.state == "stand" then + + if random(1, 4) == 1 then + + local lp = nil + local s = self.object:get_pos() + local objs = minetest.get_objects_inside_radius(s, 3) + + for n = 1, #objs do + + if objs[n]:is_player() then + lp = objs[n]:get_pos() + break + end + end + + -- look at any players nearby, otherwise turn randomly + if lp then + + local vec = { + x = lp.x - s.x, + z = lp.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if lp.x > s.x then yaw = yaw + pi end + else + yaw = yaw + random(-0.5, 0.5) + end + + yaw = set_yaw(self, yaw, 8) + end + + set_velocity(self, 0) + set_animation(self, "stand") + + -- npc's ordered to stand stay standing + if self.type ~= "npc" + or self.order ~= "stand" then + + if self.walk_chance ~= 0 + and self.facing_fence ~= true + and random(1, 100) <= self.walk_chance + and is_at_cliff(self) == false then + + set_velocity(self, self.walk_velocity) + self.state = "walk" + set_animation(self, "walk") + + --[[ fly up/down randomly for flying mobs + if self.fly and random(1, 100) <= self.walk_chance then + + local v = self.object:getvelocity() + local ud = random(-1, 2) / 9 + + self.object:setvelocity({x = v.x, y = ud, z = v.z}) + end--]] + end + end + + elseif self.state == "walk" then + + local s = self.object:get_pos() + local lp = nil + + -- is there something I need to avoid? + if self.water_damage > 0 + and self.lava_damage > 0 then + + lp = minetest.find_node_near(s, 1, {"group:water", "group:lava"}) + + elseif self.water_damage > 0 then + + lp = minetest.find_node_near(s, 1, {"group:water"}) + + elseif self.lava_damage > 0 then + + lp = minetest.find_node_near(s, 1, {"group:lava"}) + end + + if lp then + + -- if mob in water or lava then look for land + if (self.lava_damage + and minetest.registered_nodes[self.standing_in].groups.lava) + or (self.water_damage + and minetest.registered_nodes[self.standing_in].groups.water) then + + lp = minetest.find_node_near(s, 5, {"group:soil", "group:stone", + "group:sand", node_ice, node_snowblock}) + + -- did we find land? + if lp then + + local vec = { + x = lp.x - s.x, + z = lp.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if lp.x > s.x then yaw = yaw + pi end + + -- look towards land and jump/move in that direction + yaw = set_yaw(self, yaw, 6) + do_jump(self) + set_velocity(self, self.walk_velocity) + else + yaw = yaw + random(-0.5, 0.5) + end + + else + + local vec = { + x = lp.x - s.x, + z = lp.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if lp.x > s.x then yaw = yaw + pi end + end + + yaw = set_yaw(self, yaw, 8) + + -- otherwise randomly turn + elseif random(1, 100) <= 30 then + + yaw = yaw + random(-0.5, 0.5) + + yaw = set_yaw(self, yaw, 8) + end + + -- stand for great fall in front + local temp_is_cliff = is_at_cliff(self) + + if self.facing_fence == true + or temp_is_cliff + or random(1, 100) <= 30 then + + set_velocity(self, 0) + self.state = "stand" + set_animation(self, "stand") + else + set_velocity(self, self.walk_velocity) + + if flight_check(self) + and self.animation + and self.animation.fly_start + and self.animation.fly_end then + set_animation(self, "fly") + else + set_animation(self, "walk") + end + end + + -- runaway when punched + elseif self.state == "runaway" then + + self.runaway_timer = self.runaway_timer + 1 + + -- stop after 5 seconds or when at cliff + if self.runaway_timer > 5 + or is_at_cliff(self) then + self.runaway_timer = 0 + set_velocity(self, 0) + self.state = "stand" + set_animation(self, "stand") + else + set_velocity(self, self.run_velocity) + set_animation(self, "walk") + end + + -- attack routines (explode, dogfight, shoot, dogshoot) + elseif self.state == "attack" then + + -- calculate distance from mob and enemy + local s = self.object:get_pos() + local p = self.attack:get_pos() or s + local dist = get_distance(p, s) + + -- stop attacking if player invisible or out of range + if dist > self.view_range + or not self.attack + or not self.attack:get_pos() + or self.attack:get_hp() <= 0 + or (self.attack:is_player() and mobs.invis[ self.attack:get_player_name() ]) then + +-- print(" ** stop attacking **", dist, self.view_range) + self.state = "stand" + set_velocity(self, 0) + set_animation(self, "stand") + self.attack = nil + self.v_start = false + self.timer = 0 + self.blinktimer = 0 + self.path.way = nil + + return + end + + if self.attack_type == "explode" then + + local vec = { + x = p.x - s.x, + z = p.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if p.x > s.x then yaw = yaw + pi end + + yaw = set_yaw(self, yaw) + + local node_break_radius = self.explosion_radius or 1 + local entity_damage_radius = self.explosion_damage_radius + or (node_break_radius * 2) + + -- start timer when in reach and line of sight + if not self.v_start + and dist <= self.reach + and line_of_sight(self, s, p, 2) then + + self.v_start = true + self.timer = 0 + self.blinktimer = 0 + mob_sound(self, self.sounds.fuse) +-- print ("=== explosion timer started", self.explosion_timer) + + -- stop timer if out of reach or direct line of sight + elseif self.allow_fuse_reset + and self.v_start + and (dist > self.reach + or not line_of_sight(self, s, p, 2)) then + self.v_start = false + self.timer = 0 + self.blinktimer = 0 + self.blinkstatus = false + self.object:settexturemod("") + end + + -- walk right up to player unless the timer is active + if self.v_start and (self.stop_to_explode or dist < 1.5) then + set_velocity(self, 0) + else + set_velocity(self, self.run_velocity) + end + + if self.animation and self.animation.run_start then + set_animation(self, "run") + else + set_animation(self, "walk") + end + + if self.v_start then + + self.timer = self.timer + dtime + self.blinktimer = (self.blinktimer or 0) + dtime + + if self.blinktimer > 0.2 then + + self.blinktimer = 0 + + if self.blinkstatus then + self.object:settexturemod("") + else + self.object:settexturemod("^[brighten") + end + + self.blinkstatus = not self.blinkstatus + end + +-- print ("=== explosion timer", self.timer) + + if self.timer > self.explosion_timer then + + local pos = self.object:get_pos() + + -- dont damage anything if area protected or next to water + if minetest.find_node_near(pos, 1, {"group:water"}) + or minetest.is_protected(pos, "") then + + node_break_radius = 1 + end + + self.object:remove() + + if minetest.get_modpath("tnt") and tnt and tnt.boom + and not minetest.is_protected(pos, "") then + + tnt.boom(pos, { + radius = node_break_radius, + damage_radius = entity_damage_radius, + sound = self.sounds.explode, + }) + else + + minetest.sound_play(self.sounds.explode, { + pos = pos, + gain = 1.0, + max_hear_distance = self.sounds.distance or 32 + }) + + entity_physics(pos, entity_damage_radius) + effect(pos, 32, "tnt_smoke.png", nil, nil, node_break_radius, 1, 0) + end + + return + end + end + + elseif self.attack_type == "dogfight" + or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 2) + or (self.attack_type == "dogshoot" and dist <= self.reach and dogswitch(self) == 0) then + + if self.fly + and dist > self.reach then + + local p1 = s + local me_y = floor(p1.y) + local p2 = p + local p_y = floor(p2.y + 1) + local v = self.object:getvelocity() + + if flight_check(self, s) then + + if me_y < p_y then + + self.object:setvelocity({ + x = v.x, + y = 1 * self.walk_velocity, + z = v.z + }) + + elseif me_y > p_y then + + self.object:setvelocity({ + x = v.x, + y = -1 * self.walk_velocity, + z = v.z + }) + end + else + if me_y < p_y then + + self.object:setvelocity({ + x = v.x, + y = 0.01, + z = v.z + }) + + elseif me_y > p_y then + + self.object:setvelocity({ + x = v.x, + y = -0.01, + z = v.z + }) + end + end + + end + + -- rnd: new movement direction + if self.path.following + and self.path.way + and self.attack_type ~= "dogshoot" then + + -- no paths longer than 50 + if #self.path.way > 50 + or dist < self.reach then + self.path.following = false + return + end + + local p1 = self.path.way[1] + + if not p1 then + self.path.following = false + return + end + + if abs(p1.x-s.x) + abs(p1.z - s.z) < 0.6 then + -- reached waypoint, remove it from queue + table.remove(self.path.way, 1) + end + + -- set new temporary target + p = {x = p1.x, y = p1.y, z = p1.z} + end + + local vec = { + x = p.x - s.x, + z = p.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if p.x > s.x then yaw = yaw + pi end + + yaw = set_yaw(self, yaw) + + -- move towards enemy if beyond mob reach + if dist > self.reach then + + -- path finding by rnd + if self.pathfinding -- only if mob has pathfinding enabled + and enable_pathfinding then + + smart_mobs(self, s, p, dist, dtime) + end + + if is_at_cliff(self) then + + set_velocity(self, 0) + set_animation(self, "stand") + else + + if self.path.stuck then + set_velocity(self, self.walk_velocity) + else + set_velocity(self, self.run_velocity) + end + + if self.animation and self.animation.run_start then + set_animation(self, "run") + else + set_animation(self, "walk") + end + end + + else -- rnd: if inside reach range + + self.path.stuck = false + self.path.stuck_timer = 0 + self.path.following = false -- not stuck anymore + + set_velocity(self, 0) + + if not self.custom_attack then + + if self.timer > 1 then + + self.timer = 0 + + if self.double_melee_attack + and random(1, 2) == 1 then + set_animation(self, "punch2") + else + set_animation(self, "punch") + end + + local p2 = p + local s2 = s + + p2.y = p2.y + .5 + s2.y = s2.y + .5 + + if line_of_sight(self, p2, s2) == true then + + -- play attack sound + mob_sound(self, self.sounds.attack) + + -- punch player (or what player is attached to) + local attached = self.attack:get_attach() + if attached then + self.attack = attached + end + self.attack:punch(self.object, 1.0, { + full_punch_interval = 1.0, + damage_groups = {fleshy = self.damage} + }, nil) + end + end + else -- call custom attack every second + if self.custom_attack + and self.timer > 1 then + + self.timer = 0 + + self.custom_attack(self, p) + end + end + end + + elseif self.attack_type == "shoot" + or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 1) + or (self.attack_type == "dogshoot" and dist > self.reach and dogswitch(self) == 0) then + + p.y = p.y - .5 + s.y = s.y + .5 + + local dist = get_distance(p, s) + local vec = { + x = p.x - s.x, + y = p.y - s.y, + z = p.z - s.z + } + + yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate + + if p.x > s.x then yaw = yaw + pi end + + yaw = set_yaw(self, yaw) + + set_velocity(self, 0) + + if self.shoot_interval + and self.timer > self.shoot_interval + and random(1, 100) <= 60 then + + self.timer = 0 + set_animation(self, "shoot") + + -- play shoot attack sound + mob_sound(self, self.sounds.shoot_attack) + + local p = self.object:get_pos() + + p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2 + + if minetest.registered_entities[self.arrow] then + + local obj = minetest.add_entity(p, self.arrow) + local ent = obj:get_luaentity() + local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5 + local v = ent.velocity or 1 -- or set to default + + ent.switch = 1 + ent.owner_id = tostring(self.object) -- add unique owner id to arrow + + -- offset makes shoot aim accurate + vec.y = vec.y + self.shoot_offset + vec.x = vec.x * (v / amount) + vec.y = vec.y * (v / amount) + vec.z = vec.z * (v / amount) + + obj:setvelocity(vec) + end + end + end + end +end + + +-- falling and fall damage +local falling = function(self, pos) + + if self.fly then + return + end + + -- floating in water (or falling) + local v = self.object:getvelocity() + + if v.y > 0 then + + -- apply gravity when moving up + self.object:setacceleration({ + x = 0, + y = -10, + z = 0 + }) + + elseif v.y <= 0 and v.y > self.fall_speed then + + -- fall downwards at set speed + self.object:setacceleration({ + x = 0, + y = self.fall_speed, + z = 0 + }) + else + -- stop accelerating once max fall speed hit + self.object:setacceleration({x = 0, y = 0, z = 0}) + end + + -- in water then float up + if minetest.registered_nodes[self.standing_in].groups.water then + + if self.floats == 1 then + + self.object:setacceleration({ + x = 0, + y = -self.fall_speed / (max(1, v.y) ^ 8), -- 8 was 2 + z = 0 + }) + end + else + + -- fall damage onto solid ground + if self.fall_damage == 1 + and self.object:getvelocity().y == 0 then + + local d = (self.old_y or 0) - self.object:get_pos().y + + if d > 5 then + + self.health = self.health - floor(d - 5) + + effect(pos, 5, "tnt_smoke.png", 1, 2, 2, nil) + + if check_for_death(self, "fall", {type = "fall"}) then + return + end + end + + self.old_y = self.object:get_pos().y + end + end +end + + +-- deal damage and effects when mob punched +local mob_punch = function(self, hitter, tflp, tool_capabilities, dir) + + -- custom punch function + if self.do_punch then + + -- when false skip going any further + if self.do_punch(self, hitter, tflp, tool_capabilities, dir) == false then + return + end + end + + -- mob health check +-- if self.health <= 0 then +-- return +-- end + + -- error checking when mod profiling is enabled + if not tool_capabilities then + minetest.log("warning", "[mobs] Mod profiling enabled, damage not enabled") + return + end + + -- is mob protected? + if self.protected and hitter:is_player() + and minetest.is_protected(self.object:get_pos(), hitter:get_player_name()) then + minetest.chat_send_player(hitter:get_player_name(), S("Mob has been protected!")) + return + end + + + -- weapon wear + local weapon = hitter:get_wielded_item() + local punch_interval = 1.4 + + -- calculate mob damage + local damage = 0 + local armor = self.object:get_armor_groups() or {} + local tmp + + -- quick error check incase it ends up 0 (serialize.h check test) + if tflp == 0 then + tflp = 0.2 + end + + if use_cmi then + damage = cmi.calculate_damage(self.object, hitter, tflp, tool_capabilities, dir) + else + + for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do + + tmp = tflp / (tool_capabilities.full_punch_interval or 1.4) + + if tmp < 0 then + tmp = 0.0 + elseif tmp > 1 then + tmp = 1.0 + end + + damage = damage + (tool_capabilities.damage_groups[group] or 0) + * tmp * ((armor[group] or 0) / 100.0) + end + end + + -- check for tool immunity or special damage + for n = 1, #self.immune_to do + + if self.immune_to[n][1] == weapon:get_name() then + + damage = self.immune_to[n][2] or 0 + break + + -- if "all" then no tool does damage unless it's specified in list + elseif self.immune_to[n][1] == "all" then + damage = self.immune_to[n][2] or 0 + end + end + + -- healing + if damage <= -1 then + self.health = self.health - floor(damage) + return + end + +-- print ("Mob Damage is", damage) + + if use_cmi then + + local cancel = cmi.notify_punch(self.object, hitter, tflp, tool_capabilities, dir, damage) + + if cancel then return end + end + + -- add weapon wear + if tool_capabilities then + punch_interval = tool_capabilities.full_punch_interval or 1.4 + end + + if weapon:get_definition() + and weapon:get_definition().tool_capabilities then + + weapon:add_wear(floor((punch_interval / 75) * 9000)) + hitter:set_wielded_item(weapon) + end + + -- only play hit sound and show blood effects if damage is 1 or over + if damage >= 1 then + + -- weapon sounds + if weapon:get_definition().sounds ~= nil then + + local s = random(0, #weapon:get_definition().sounds) + + minetest.sound_play(weapon:get_definition().sounds[s], { + object = self.object, --hitter, + max_hear_distance = 8 + }) + else + minetest.sound_play("default_punch", { + object = self.object, --hitter, + max_hear_distance = 5 + }) + end + + -- blood_particles + if self.blood_amount > 0 + and not disable_blood then + + local pos = self.object:get_pos() + + pos.y = pos.y + (-self.collisionbox[2] + self.collisionbox[5]) * .5 + + -- do we have a single blood texture or multiple? + if type(self.blood_texture) == "table" then + + local blood = self.blood_texture[random(1, #self.blood_texture)] + + effect(pos, self.blood_amount, blood, nil, nil, 1, nil) + else + effect(pos, self.blood_amount, self.blood_texture, nil, nil, 1, nil) + end + end + + -- do damage + self.health = self.health - floor(damage) + + -- exit here if dead, special item check + if weapon:get_name() == "mobs:pick_lava" then + if check_for_death(self, "lava", {type = "punch", + puncher = hitter}) then + return + end + else + if check_for_death(self, "hit", {type = "punch", + puncher = hitter}) then + return + end + end + + --[[ add healthy afterglow when hit (can cause hit lag with larger textures) + minetest.after(0.1, function() + + if not self.object:get_luaentity() then return end + + self.object:settexturemod("^[colorize:#c9900070") + + core.after(0.3, function() + self.object:settexturemod("") + end) + end) ]] + + -- knock back effect (only on full punch) + if self.knock_back + and tflp >= punch_interval then + + local v = self.object:getvelocity() + local r = 1.4 - min(punch_interval, 1.4) + local kb = r * 5 + local up = 2 + + -- if already in air then dont go up anymore when hit + if v.y > 0 + or self.fly then + up = 0 + end + + -- direction error check + dir = dir or {x = 0, y = 0, z = 0} + + -- check if tool already has specific knockback value + if tool_capabilities.damage_groups["knockback"] then + kb = tool_capabilities.damage_groups["knockback"] + else + kb = kb * 1.5 + end + + self.object:setvelocity({ + x = dir.x * kb, + y = up, + z = dir.z * kb + }) + + self.pause_timer = 0.25 + end + end -- END if damage + + -- if skittish then run away + if self.runaway == true then + + local lp = hitter:get_pos() + local s = self.object:get_pos() + local vec = { + x = lp.x - s.x, + y = lp.y - s.y, + z = lp.z - s.z + } + + local yaw = (atan(vec.z / vec.x) + 3 * pi / 2) - self.rotate + + if lp.x > s.x then + yaw = yaw + pi + end + + yaw = set_yaw(self, yaw, 6) + self.state = "runaway" + self.runaway_timer = 0 + self.following = nil + end + + local name = hitter:get_player_name() or "" + + -- attack puncher and call other mobs for help + if self.passive == false + and self.state ~= "flop" + and self.child == false + and hitter:get_player_name() ~= self.owner + and not mobs.invis[ name ] then + + -- attack whoever punched mob + self.state = "" + do_attack(self, hitter) + + -- alert others to the attack + local objs = minetest.get_objects_inside_radius(hitter:get_pos(), self.view_range) + local obj = nil + + for n = 1, #objs do + + obj = objs[n]:get_luaentity() + + if obj then + + -- only alert members of same mob + if obj.group_attack == true + and obj.state ~= "attack" + and obj.owner ~= name + and obj.name == self.name then + do_attack(obj, hitter) + end + + -- have owned mobs attack player threat + if obj.owner == name and obj.owner_loyal then + do_attack(obj, self.object) + end + end + end + end +end + + +-- get entity staticdata +local mob_staticdata = function(self) + + -- remove mob when out of range unless tamed + if remove_far + and self.remove_ok + and self.type ~= "npc" + and self.state ~= "attack" + and not self.tamed + and self.lifetimer < 20000 then + + --print ("REMOVED " .. self.name) + + self.object:remove() + + return ""-- nil + end + + self.remove_ok = true + self.attack = nil + self.following = nil + self.state = "stand" + + -- used to rotate older mobs + if self.drawtype + and self.drawtype == "side" then + self.rotate = math.rad(90) + end + + if use_cmi then + self.serialized_cmi_components = cmi.serialize_components(self._cmi_components) + end + + local tmp = {} + + for _,stat in pairs(self) do + + local t = type(stat) + + if t ~= "function" + and t ~= "nil" + and t ~= "userdata" + and _ ~= "_cmi_components" then + tmp[_] = self[_] + end + end + + --print('===== '..self.name..'\n'.. dump(tmp)..'\n=====\n') + return minetest.serialize(tmp) +end + + +-- activate mob and reload settings +local mob_activate = function(self, staticdata, def, dtime) + + -- remove monsters in peaceful mode + if self.type == "monster" + and peaceful_only then + + self.object:remove() + + return + end + + -- load entity variables + local tmp = minetest.deserialize(staticdata) + + if tmp then + for _,stat in pairs(tmp) do + self[_] = stat + end + end + + -- select random texture, set model and size + if not self.base_texture then + + -- compatiblity with old simple mobs textures + if type(def.textures[1]) == "string" then + def.textures = {def.textures} + end + + self.base_texture = def.textures[random(1, #def.textures)] + self.base_mesh = def.mesh + self.base_size = self.visual_size + self.base_colbox = self.collisionbox + self.base_selbox = self.selectionbox + end + + -- for current mobs that dont have this set + if not self.base_selbox then + self.base_selbox = self.selectionbox or self.base_colbox + end + + -- set texture, model and size + local textures = self.base_texture + local mesh = self.base_mesh + local vis_size = self.base_size + local colbox = self.base_colbox + local selbox = self.base_selbox + + -- specific texture if gotten + if self.gotten == true + and def.gotten_texture then + textures = def.gotten_texture + end + + -- specific mesh if gotten + if self.gotten == true + and def.gotten_mesh then + mesh = def.gotten_mesh + end + + -- set child objects to half size + if self.child == true then + + vis_size = { + x = self.base_size.x * .5, + y = self.base_size.y * .5, + } + + if def.child_texture then + textures = def.child_texture[1] + end + + colbox = { + self.base_colbox[1] * .5, + self.base_colbox[2] * .5, + self.base_colbox[3] * .5, + self.base_colbox[4] * .5, + self.base_colbox[5] * .5, + self.base_colbox[6] * .5 + } + selbox = { + self.base_selbox[1] * .5, + self.base_selbox[2] * .5, + self.base_selbox[3] * .5, + self.base_selbox[4] * .5, + self.base_selbox[5] * .5, + self.base_selbox[6] * .5 + } + end + + if self.health == 0 then + self.health = random (self.hp_min, self.hp_max) + end + + -- pathfinding init + self.path = {} + self.path.way = {} -- path to follow, table of positions + self.path.lastpos = {x = 0, y = 0, z = 0} + self.path.stuck = false + self.path.following = false -- currently following path? + self.path.stuck_timer = 0 -- if stuck for too long search for path + + -- mob defaults + self.object:set_armor_groups({immortal = 1, fleshy = self.armor}) + self.old_y = self.object:get_pos().y + self.old_health = self.health + self.sounds.distance = self.sounds.distance or 10 + self.textures = textures + self.mesh = mesh + self.collisionbox = colbox + self.selectionbox = selbox + self.visual_size = vis_size + self.standing_in = "air" + + -- check existing nametag + if not self.nametag then + self.nametag = def.nametag + end + + -- set anything changed above + self.object:set_properties(self) + set_yaw(self, (random(0, 360) - 180) / 180 * pi, 6) + update_tag(self) + set_animation(self, "stand") + + -- run on_spawn function if found + if self.on_spawn and not self.on_spawn_run then + if self.on_spawn(self) then + self.on_spawn_run = true -- if true, set flag to run once only + end + end + + -- run after_activate + if def.after_activate then + def.after_activate(self, staticdata, def, dtime) + end + + if use_cmi then + self._cmi_components = cmi.activate_components(self.serialized_cmi_components) + cmi.notify_activate(self.object, dtime) + end +end + + +-- main mob function +local mob_step = function(self, dtime) + + if use_cmi then + cmi.notify_step(self.object, dtime) + end + + local pos = self.object:get_pos() + local yaw = 0 + + -- when lifetimer expires remove mob (except npc and tamed) + if self.type ~= "npc" + and not self.tamed + and self.state ~= "attack" + and remove_far ~= true + and self.lifetimer < 20000 then + + self.lifetimer = self.lifetimer - dtime + + if self.lifetimer <= 0 then + + -- only despawn away from player + local objs = minetest.get_objects_inside_radius(pos, 15) + + for n = 1, #objs do + + if objs[n]:is_player() then + + self.lifetimer = 20 + + return + end + end + +-- minetest.log("action", +-- S("lifetimer expired, removed @1", self.name)) + + effect(pos, 15, "tnt_smoke.png", 2, 4, 2, 0) + + self.object:remove() + + return + end + end + + -- get node at foot level every quarter second + self.node_timer = (self.node_timer or 0) + dtime + + if self.node_timer > 0.25 then + + self.node_timer = 0 + + local y_level = self.collisionbox[2] + + if self.child then + y_level = self.collisionbox[2] * 0.5 + end + + -- what is mob standing in? + self.standing_in = node_ok({ + x = pos.x, y = pos.y + y_level + 0.25, z = pos.z}, "air").name +-- print ("standing in " .. self.standing_in) + end + + -- check if falling, flying, floating + falling(self, pos) + + -- smooth rotation by ThomasMonroe314 + + if self.delay and self.delay > 0 then + + local yaw = self.object:get_yaw() + + if self.delay == 1 then + yaw = self.target_yaw + else + local dif = abs(yaw - self.target_yaw) + + if yaw > self.target_yaw then + + if dif > pi then + dif = 2 * pi - dif -- need to add + yaw = yaw + dif / self.delay + else + yaw = yaw - dif / self.delay -- need to subtract + end + + elseif yaw < self.target_yaw then + + if dif > pi then + dif = 2 * pi - dif + yaw = yaw - dif / self.delay -- need to subtract + else + yaw = yaw + dif / self.delay -- need to add + end + end + + if yaw > (pi * 2) then yaw = yaw - (pi * 2) end + if yaw < 0 then yaw = yaw + (pi * 2) end + end + + self.delay = self.delay - 1 + self.object:set_yaw(yaw) + end + + -- end rotation + + -- knockback timer + if self.pause_timer > 0 then + + self.pause_timer = self.pause_timer - dtime + + return + end + + -- run custom function (defined in mob lua file) + if self.do_custom then + + -- when false skip going any further + if self.do_custom(self, dtime) == false then + return + end + end + + -- attack timer + self.timer = self.timer + dtime + + if self.state ~= "attack" then + + if self.timer < 1 then + return + end + + self.timer = 0 + end + + -- never go over 100 + if self.timer > 100 then + self.timer = 1 + end + + -- mob plays random sound at times + if random(1, 100) == 1 then + mob_sound(self, self.sounds.random) + end + + -- environmental damage timer (every 1 second) + self.env_damage_timer = self.env_damage_timer + dtime + + if (self.state == "attack" and self.env_damage_timer > 1) + or self.state ~= "attack" then + + self.env_damage_timer = 0 + + -- check for environmental damage (water, fire, lava etc.) + do_env_damage(self) + + -- node replace check (cow eats grass etc.) + replace(self, pos) + end + + monster_attack(self) + + npc_attack(self) + + breed(self) + + follow_flop(self) + + do_states(self, dtime) + + do_jump(self) + + runaway_from(self) + +end + + +-- default function when mobs are blown up with TNT +local do_tnt = function(obj, damage) + + --print ("----- Damage", damage) + + obj.object:punch(obj.object, 1.0, { + full_punch_interval = 1.0, + damage_groups = {fleshy = damage}, + }, nil) + + return false, true, {} +end + + +mobs.spawning_mobs = {} + +-- register mob entity +function mobs:register_mob(name, def) + + mobs.spawning_mobs[name] = true + +minetest.register_entity(name, { + + stepheight = def.stepheight or 1.1, -- was 0.6 + name = name, + type = def.type, + attack_type = def.attack_type, + fly = def.fly, + fly_in = def.fly_in or "air", + owner = def.owner or "", + order = def.order or "", + on_die = def.on_die, + do_custom = def.do_custom, + jump_height = def.jump_height or 4, -- was 6 + drawtype = def.drawtype, -- DEPRECATED, use rotate instead + rotate = math.rad(def.rotate or 0), -- 0=front, 90=side, 180=back, 270=side2 + lifetimer = def.lifetimer or 180, -- 3 minutes + hp_min = max(1, (def.hp_min or 5) * difficulty), + hp_max = max(1, (def.hp_max or 10) * difficulty), + physical = true, + collisionbox = def.collisionbox or {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25}, + selectionbox = def.selectionbox or def.collisionbox, + visual = def.visual, + visual_size = def.visual_size or {x = 1, y = 1}, + mesh = def.mesh, + makes_footstep_sound = def.makes_footstep_sound or false, + view_range = def.view_range or 5, + walk_velocity = def.walk_velocity or 1, + run_velocity = def.run_velocity or 2, + damage = max(0, (def.damage or 0) * difficulty), + light_damage = def.light_damage or 0, + water_damage = def.water_damage or 0, + lava_damage = def.lava_damage or 0, + suffocation = def.suffocation or 2, + fall_damage = def.fall_damage or 1, + fall_speed = def.fall_speed or -10, -- must be lower than -2 (default: -10) + drops = def.drops or {}, + armor = def.armor or 100, + on_rightclick = def.on_rightclick, + arrow = def.arrow, + shoot_interval = def.shoot_interval, + sounds = def.sounds or {}, + animation = def.animation, + follow = def.follow, + jump = def.jump ~= false, + walk_chance = def.walk_chance or 50, + attacks_monsters = def.attacks_monsters or false, + group_attack = def.group_attack or false, + passive = def.passive or false, + knock_back = def.knock_back ~= false, + blood_amount = def.blood_amount or 5, + blood_texture = def.blood_texture or "mobs_blood.png", + shoot_offset = def.shoot_offset or 0, + floats = def.floats or 1, -- floats in water by default + replace_rate = def.replace_rate, + replace_what = def.replace_what, + replace_with = def.replace_with, + replace_offset = def.replace_offset or 0, + on_replace = def.on_replace, + timer = 0, + env_damage_timer = 0, -- only used when state = "attack" + tamed = false, + pause_timer = 0, + horny = false, + hornytimer = 0, + child = false, + gotten = false, + health = 0, + reach = def.reach or 3, + htimer = 0, + texture_list = def.textures, + child_texture = def.child_texture, + docile_by_day = def.docile_by_day or false, + time_of_day = 0.5, + fear_height = def.fear_height or 0, + runaway = def.runaway, + runaway_timer = 0, + pathfinding = def.pathfinding, + immune_to = def.immune_to or {}, + explosion_radius = def.explosion_radius, + explosion_damage_radius = def.explosion_damage_radius, + explosion_timer = def.explosion_timer or 3, + allow_fuse_reset = def.allow_fuse_reset ~= false, + stop_to_explode = def.stop_to_explode ~= false, + custom_attack = def.custom_attack, + double_melee_attack = def.double_melee_attack, + dogshoot_switch = def.dogshoot_switch, + dogshoot_count = 0, + dogshoot_count_max = def.dogshoot_count_max or 5, + dogshoot_count2_max = def.dogshoot_count2_max or (def.dogshoot_count_max or 5), + attack_animals = def.attack_animals or false, + specific_attack = def.specific_attack, + runaway_from = def.runaway_from, + owner_loyal = def.owner_loyal, + facing_fence = false, + _cmi_is_mob = true, + + on_spawn = def.on_spawn, + + on_blast = def.on_blast or do_tnt, + + on_step = mob_step, + + do_punch = def.do_punch, + + on_punch = mob_punch, + + on_breed = def.on_breed, + + on_grown = def.on_grown, + + on_activate = function(self, staticdata, dtime) + return mob_activate(self, staticdata, def, dtime) + end, + + get_staticdata = function(self) + return mob_staticdata(self) + end, + +}) + +end -- END mobs:register_mob function + + +-- count how many mobs of one type are inside an area +local count_mobs = function(pos, type) + + local num_type = 0 + local num_total = 0 + local objs = minetest.get_objects_inside_radius(pos, aoc_range) + + for n = 1, #objs do + + if not objs[n]:is_player() then + + local obj = objs[n]:get_luaentity() + + -- count mob type and add to total also + if obj and obj.name and obj.name == type then + + num_type = num_type + 1 + num_total = num_total + 1 + + -- add to total mobs + elseif obj and obj.name and obj.health ~= nil then + + num_total = num_total + 1 + end + end + end + + return num_type, num_total +end + + +-- global functions + +function mobs:spawn_abm_check(pos, node, name) + -- global function to add additional spawn checks + -- return true to stop spawning mob +end + + +local function player_near(pos, radius) + + local objs = minetest.get_objects_inside_radius(pos, radius) + + for n = 1, #objs do + + if objs[n]:is_player() then + return true + end + end + + return false +end + + +local function daycheck(day_toggle) + + if day_toggle ~= nil then + + local tod = (minetest.get_timeofday() or 0) * 24000 + + if tod > 4500 and tod < 19500 then + + if day_toggle == false then + return false -- mob requires night + end + else + if day_toggle == true then + return false -- mob requires day + end + end + end + + return true -- mob doesn't care +end + + +local function is_protected(pos) + + if not spawn_protected + and minetest.is_protected(pos, "") then + return true -- protected area + end + + return false -- mobs can spawn +end + + +local interval = 30 +local timer = 0 +local spawning_mobs = {} + +minetest.register_globalstep(function(dtime) + + if not mobs_spawn then + return + end + + timer = timer + dtime + if timer < interval then + return + end + timer = 0 + + for _,player in ipairs(minetest.get_connected_players()) do + + if player:get_hp() > 0 then + + local pos = player:getpos() + local area, pos2, light, obj, base + + for _,mob in ipairs(spawning_mobs) do + + area = nil + + if minetest.registered_entities[mob.name] + and random(1, mob.chance) == 1 then + + area = minetest.find_nodes_in_area_under_air( + {x = pos.x - 20, y = pos.y - 20, z = pos.z - 20}, + {x = pos.x + 20, y = pos.y + 20, z = pos.z + 20}, + mob.nodes) + end + + if area and #area > 0 then + + pos2 = area[math.random(1, #area)] + base = minetest.registered_entities[mob.name].collisionbox[5] + pos2.y = pos2.y + 1 + base + + light = minetest.get_node_light(pos2) or -1 + + if pos2.y >= mob.min_height + and pos2.y <= mob.max_height + and light >= mob.min_light + and light <= mob.max_light + and daycheck(mob.day_toggle) + and minetest.find_node_near(pos2, 1, mob.neighbors) + and count_mobs(pos2, mob.name) < mob.total + and not player_near(pos2, 10) + and not is_protected(pos2) then + +print ("--- Spawned ", mob.name, minetest.pos_to_string(pos2), mob.chance) + + obj = minetest.add_entity(pos2, mob.name) + + if mob.on_spawn then + mob.on_spawn(obj:get_luaentity(), pos2) + end + else +print ("--- Cannot spawn ", mob.name) + end + end + end + end + end +end) + + +function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light, + interval, chance, aoc, min_height, max_height, day_toggle, on_spawn) + + -- chance/spawn number override in minetest.conf for registered mob + local numbers = minetest.settings:get(name) + + if numbers then + numbers = numbers:split(",") + chance = tonumber(numbers[1]) or chance + aoc = tonumber(numbers[2]) or aoc + + if chance == 0 then + minetest.log("warning", string.format("[mobs] %s has spawning disabled", name)) + return + end + + minetest.log("action", + string.format("[mobs] Chance setting for %s changed to %s (total: %s)", name, chance, aoc)) + end + + -- change old chance values to be more useable by new spawn routine + if chance > 999 then + chance = max(1, chance / 1000) + end + + -- adjust for mob chance multiplier + chance = max(1, chance * mob_chance_multiplier) + + -- add mob to table for spawning with routine above + table.insert(spawning_mobs, { + name = name, + nodes = nodes, + neighbors = neighbors, + chance = chance, + min_height = min_height, + max_height = max_height, + min_light = min_light, + max_light = max_light, + total = aoc, + day_toggle = day_toggle, + on_spawn = on_spawn, + }) +end + + +-- compatibility with older mob registration +function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, day_toggle) + + mobs:spawn_specific(name, nodes, {"air"}, min_light, max_light, 30, + chance, active_object_count, -31000, max_height, day_toggle) +end + + +-- MarkBu's spawn function +function mobs:spawn(def) + + mobs:spawn_specific( + def.name, + def.nodes or {"group:soil", "group:stone"}, + def.neighbors or {"air"}, + def.min_light or 0, + def.max_light or 15, + def.interval or 30, + def.chance or 5000, + def.active_object_count or 1, + def.min_height or -31000, + def.max_height or 31000, + def.day_toggle, + def.on_spawn + ) +end + + +-- register arrow for shoot attack +function mobs:register_arrow(name, def) + + if not name or not def then return end -- errorcheck + + minetest.register_entity(name, { + + physical = false, + visual = def.visual, + visual_size = def.visual_size, + textures = def.textures, + velocity = def.velocity, + hit_player = def.hit_player, + hit_node = def.hit_node, + hit_mob = def.hit_mob, + drop = def.drop or false, -- drops arrow as registered item when true + collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows + timer = 0, + switch = 0, + owner_id = def.owner_id, + rotate = def.rotate, + automatic_face_movement_dir = def.rotate + and (def.rotate - (pi / 180)) or false, + + on_activate = def.on_activate, + + on_step = def.on_step or function(self, dtime) + + self.timer = self.timer + 1 + + local pos = self.object:get_pos() + + if self.switch == 0 + or self.timer > 150 + or not within_limits(pos, 0) then + + self.object:remove() ; -- print ("removed arrow") + + return + end + + -- does arrow have a tail (fireball) + if def.tail + and def.tail == 1 + and def.tail_texture then + + minetest.add_particle({ + pos = pos, + velocity = {x = 0, y = 0, z = 0}, + acceleration = {x = 0, y = 0, z = 0}, + expirationtime = def.expire or 0.25, + collisiondetection = false, + texture = def.tail_texture, + size = def.tail_size or 5, + glow = def.glow or 0, + }) + end + + if self.hit_node then + + local node = node_ok(pos).name + + if minetest.registered_nodes[node].walkable then + + self.hit_node(self, pos, node) + + if self.drop == true then + + pos.y = pos.y + 1 + + self.lastpos = (self.lastpos or pos) + + minetest.add_item(self.lastpos, self.object:get_luaentity().name) + end + + self.object:remove() ; -- print ("hit node") + + return + end + end + + if self.hit_player or self.hit_mob then + + for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.0)) do + + if self.hit_player + and player:is_player() then + + self.hit_player(self, player) + self.object:remove() ; -- print ("hit player") + return + end + + local entity = player:get_luaentity() + + if entity + and self.hit_mob + and entity._cmi_is_mob == true + and tostring(player) ~= self.owner_id + and entity.name ~= self.object:get_luaentity().name then + + self.hit_mob(self, player) + + self.object:remove() ; --print ("hit mob") + + return + end + end + end + + self.lastpos = pos + end + }) +end + + +-- compatibility function +function mobs:explosion(pos, radius) + local self = {sounds = {}} + self.sounds.explode = "tnt_explode" + mobs:boom(self, pos, radius) +end + + +-- no damage to nodes explosion +function mobs:safe_boom(self, pos, radius) + + minetest.sound_play(self.sounds and self.sounds.explode or "tnt_explode", { + pos = pos, + gain = 1.0, + max_hear_distance = self.sounds and self.sounds.distance or 32 + }) + + entity_physics(pos, radius) + effect(pos, 32, "tnt_smoke.png", radius * 3, radius * 5, radius, 1, 0) +end + + +-- make explosion with protection and tnt mod check +function mobs:boom(self, pos, radius) + + if mobs_griefing + and minetest.get_modpath("tnt") and tnt and tnt.boom + and not minetest.is_protected(pos, "") then + + tnt.boom(pos, { + radius = radius, + damage_radius = radius, + sound = self.sounds and self.sounds.explode, + explode_center = true, + }) + else + mobs:safe_boom(self, pos, radius) + end +end + + +-- Register spawn eggs + +-- Note: This also introduces the “spawn_egg” group: +-- * spawn_egg=1: Spawn egg (generic mob, no metadata) +-- * spawn_egg=2: Spawn egg (captured/tamed mob, metadata) +function mobs:register_egg(mob, desc, background, addegg, no_creative) + + local grp = {spawn_egg = 1} + + -- do NOT add this egg to creative inventory (e.g. dungeon master) + if creative and no_creative == true then + grp.not_in_creative_inventory = 1 + end + + local invimg = background + + if addegg == 1 then + invimg = "mobs_chicken_egg.png^(" .. invimg .. + "^[mask:mobs_chicken_egg_overlay.png)" + end + + -- register new spawn egg containing mob information + minetest.register_craftitem(mob .. "_set", { + + description = S("@1 (Tamed)", desc), + inventory_image = invimg, + groups = {spawn_egg = 2, not_in_creative_inventory = 1}, + stack_max = 1, + + on_place = function(itemstack, placer, pointed_thing) + + local pos = pointed_thing.above + + -- am I clicking on something with existing on_rightclick function? + local under = minetest.get_node(pointed_thing.under) + local def = minetest.registered_nodes[under.name] + if def and def.on_rightclick then + return def.on_rightclick(pointed_thing.under, under, placer, itemstack) + end + + if pos + and within_limits(pos, 0) + and not minetest.is_protected(pos, placer:get_player_name()) then + + if not minetest.registered_entities[mob] then + return + end + + pos.y = pos.y + 1 + + local data = itemstack:get_metadata() + local mob = minetest.add_entity(pos, mob, data) + local ent = mob:get_luaentity() + + -- set owner if not a monster + if ent.type ~= "monster" then + ent.owner = placer:get_player_name() + ent.tamed = true + end + + -- since mob is unique we remove egg once spawned + itemstack:take_item() + end + + return itemstack + end, + }) + + + -- register old stackable mob egg + minetest.register_craftitem(mob, { + + description = desc, + inventory_image = invimg, + groups = grp, + + on_place = function(itemstack, placer, pointed_thing) + + local pos = pointed_thing.above + + -- am I clicking on something with existing on_rightclick function? + local under = minetest.get_node(pointed_thing.under) + local def = minetest.registered_nodes[under.name] + if def and def.on_rightclick then + return def.on_rightclick(pointed_thing.under, under, placer, itemstack) + end + + if pos + and within_limits(pos, 0) + and not minetest.is_protected(pos, placer:get_player_name()) then + + if not minetest.registered_entities[mob] then + return + end + + pos.y = pos.y + 1 + + local mob = minetest.add_entity(pos, mob) + local ent = mob:get_luaentity() + + -- don't set owner if monster or sneak pressed + if ent.type ~= "monster" + and not placer:get_player_control().sneak then + ent.owner = placer:get_player_name() + ent.tamed = true + end + + -- if not in creative then take item + if not mobs.is_creative(placer:get_player_name()) then + itemstack:take_item() + end + end + + return itemstack + end, + }) + +end + + +-- capture critter (thanks to blert2112 for idea) +function mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso, force_take, replacewith) + + if self.child + or not clicker:is_player() + or not clicker:get_inventory() then + return false + end + + -- get name of clicked mob + local mobname = self.name + + -- if not nil change what will be added to inventory + if replacewith then + mobname = replacewith + end + + local name = clicker:get_player_name() + local tool = clicker:get_wielded_item() + + -- are we using hand, net or lasso to pick up mob? + if tool:get_name() ~= "" + and tool:get_name() ~= "mobs:net" + and tool:get_name() ~= "mobs:lasso" then + return false + end + + -- is mob tamed? + if self.tamed == false + and force_take == false then + + minetest.chat_send_player(name, S("Not tamed!")) + + return true -- false + end + + -- cannot pick up if not owner + if self.owner ~= name + and force_take == false then + + minetest.chat_send_player(name, S("@1 is owner!", self.owner)) + + return true -- false + end + + if clicker:get_inventory():room_for_item("main", mobname) then + + -- was mob clicked with hand, net, or lasso? + local chance = 0 + + if tool:get_name() == "" then + chance = chance_hand + + elseif tool:get_name() == "mobs:net" then + + chance = chance_net + + tool:add_wear(4000) -- 17 uses + + clicker:set_wielded_item(tool) + + elseif tool:get_name() == "mobs:lasso" then + + chance = chance_lasso + + tool:add_wear(650) -- 100 uses + + clicker:set_wielded_item(tool) + + end + + -- calculate chance.. add to inventory if successful? + if chance > 0 and random(1, 100) <= chance then + + -- default mob egg + local new_stack = ItemStack(mobname) + + -- add special mob egg with all mob information + -- unless 'replacewith' contains new item to use + if not replacewith then + + new_stack = ItemStack(mobname .. "_set") + + local tmp = {} + + for _,stat in pairs(self) do + local t = type(stat) + if t ~= "function" + and t ~= "nil" + and t ~= "userdata" then + tmp[_] = self[_] + end + end + + local data_str = minetest.serialize(tmp) + + new_stack:set_metadata(data_str) + end + + local inv = clicker:get_inventory() + + if inv:room_for_item("main", new_stack) then + inv:add_item("main", new_stack) + else + minetest.add_item(clicker:get_pos(), new_stack) + end + + self.object:remove() + + mob_sound(self, "default_place_node_hard") + + elseif chance ~= 0 then + minetest.chat_send_player(name, S("Missed!")) + + mob_sound(self, "mobs_swing") + end + end + + return true +end + + +-- protect tamed mob with rune item +function mobs:protect(self, clicker) + + local name = clicker:get_player_name() + local tool = clicker:get_wielded_item() + + if tool:get_name() ~= "mobs:protector" then + return false + end + + if self.tamed == false then + minetest.chat_send_player(name, S("Not tamed!")) + return true -- false + end + + if self.protected == true then + minetest.chat_send_player(name, S("Already protected!")) + return true -- false + end + + if not mobs.is_creative(clicker:get_player_name()) then + tool:take_item() -- take 1 protection rune + clicker:set_wielded_item(tool) + end + + self.protected = true + + local pos = self.object:get_pos() + pos.y = pos.y + self.collisionbox[2] + 0.5 + + effect(self.object:get_pos(), 25, "mobs_protect_particle.png", 0.5, 4, 2, 15) + + mob_sound(self, "mobs_spell") + + return true +end + + +local mob_obj = {} +local mob_sta = {} + +-- feeding, taming and breeding (thanks blert2112) +function mobs:feed_tame(self, clicker, feed_count, breed, tame) + + if not self.follow then + return false + end + + -- can eat/tame with item in hand + if follow_holding(self, clicker) then + + -- if not in creative then take item + if not mobs.is_creative(clicker:get_player_name()) then + + local item = clicker:get_wielded_item() + + item:take_item() + + clicker:set_wielded_item(item) + end + + -- increase health + self.health = self.health + 4 + + if self.health >= self.hp_max then + + self.health = self.hp_max + + if self.htimer < 1 then + + minetest.chat_send_player(clicker:get_player_name(), + S("@1 at full health (@2)", + self.name:split(":")[2], tostring(self.health))) + + self.htimer = 5 + end + end + + self.object:set_hp(self.health) + + update_tag(self) + + -- make children grow quicker + if self.child == true then + + self.hornytimer = self.hornytimer + 20 + + return true + end + + -- feed and tame + self.food = (self.food or 0) + 1 + if self.food >= feed_count then + + self.food = 0 + + if breed and self.hornytimer == 0 then + self.horny = true + end + + self.gotten = false + + if tame then + + if self.tamed == false then + minetest.chat_send_player(clicker:get_player_name(), + S("@1 has been tamed!", + self.name:split(":")[2])) + end + + self.tamed = true + + if not self.owner or self.owner == "" then + self.owner = clicker:get_player_name() + end + end + + -- make sound when fed so many times + mob_sound(self, self.sounds.random) + end + + return true + end + + local item = clicker:get_wielded_item() + + -- if mob has been tamed you can name it with a nametag + if item:get_name() == "mobs:nametag" + and clicker:get_player_name() == self.owner then + + local name = clicker:get_player_name() + + -- store mob and nametag stack in external variables + mob_obj[name] = self + mob_sta[name] = item + + local tag = self.nametag or "" + + minetest.show_formspec(name, "mobs_nametag", "size[8,4]" + .. default.gui_bg + .. default.gui_bg_img + .. "field[0.5,1;7.5,0;name;" .. minetest.formspec_escape(S("Enter name:")) .. ";" .. tag .. "]" + .. "button_exit[2.5,3.5;3,1;mob_rename;" .. minetest.formspec_escape(S("Rename")) .. "]") + end + + return false +end + + +-- inspired by blockmen's nametag mod +minetest.register_on_player_receive_fields(function(player, formname, fields) + + -- right-clicked with nametag and name entered? + if formname == "mobs_nametag" + and fields.name + and fields.name ~= "" then + + local name = player:get_player_name() + + if not mob_obj[name] + or not mob_obj[name].object then + return + end + + -- make sure nametag is being used to name mob + local item = player:get_wielded_item() + + if item:get_name() ~= "mobs:nametag" then + return + end + + -- limit name entered to 64 characters long + if string.len(fields.name) > 64 then + fields.name = string.sub(fields.name, 1, 64) + end + + -- update nametag + mob_obj[name].nametag = fields.name + + update_tag(mob_obj[name]) + + -- if not in creative then take item + if not mobs.is_creative(name) then + + mob_sta[name]:take_item() + + player:set_wielded_item(mob_sta[name]) + end + + -- reset external variables + mob_obj[name] = nil + mob_sta[name] = nil + end +end) + + +-- compatibility function for old entities to new modpack entities +function mobs:alias_mob(old_name, new_name) + + -- spawn egg + minetest.register_alias(old_name, new_name) + + -- entity + minetest.register_entity(":" .. old_name, { + + physical = false, + + on_step = function(self) + + if minetest.registered_entities[new_name] then + minetest.add_entity(self.object:get_pos(), new_name) + end + + self.object:remove() + end + }) +end |