726 lines
20 KiB
Lua
726 lines
20 KiB
Lua
mobs = {}
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local enable_blood = adventuretest.blood
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local texture_blood_cry = "mobs_blood_blue.png"
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if enable_blood then texture_blood_dry = "mobs_blood.png" end
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dofile(minetest.get_modpath("mobs").."/step.lua")
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mobs.mob_list = { npc={}, barbarian={}, monster={}, animal={}, npc_special={}}
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mobs.api_throttle = 99 -- limits the amount of intense operations that can happen per second
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mobs.api_icount = 0
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mobs.api_timer = 0
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mobs.spawn_counter = 0
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mobs.spawn_limit = 25
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mobs.spawn_timer = 0
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function mobs:register_mob(name, def)
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table.insert(mobs.mob_list[def.type],name)
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minetest.register_entity(name, {
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name = name,
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hp_min = def.hp_min,
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hp_max = def.hp_max,
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physical = true,
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collisionbox = def.collisionbox,
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visual = def.visual,
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visual_size = def.visual_size,
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mesh = def.mesh,
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textures = def.textures,
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makes_footstep_sound = def.makes_footstep_sound,
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view_range = def.view_range,
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walk_velocity = def.walk_velocity or 0,
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run_velocity = def.run_velocity or 0,
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damage = def.damage,
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light_damage = def.light_damage,
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water_damage = def.water_damage or 1,
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lava_damage = def.lava_damage,
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disable_fall_damage = def.disable_fall_damage,
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drops = def.drops,
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armor = def.armor,
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drawtype = def.drawtype,
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on_rightclick = def.on_rightclick,
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type = def.type,
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attack_type = def.attack_type,
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attack_range = def.attack_range or 2,
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attack_function = def.attack_function or nil,
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arrow = def.arrow,
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arrow_offset = def.arrow_offset or 1,
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shoot_interval = def.shoot_interval,
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sounds = def.sounds,
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animation = def.animation,
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follow = def.follow or nil,
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jump = def.jump,
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exp_min = def.exp_min or 0,
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exp_max = def.exp_max or 0,
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walk_chance = def.walk_chance or 50,
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attacks_monsters = def.attacks_monsters or false,
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group_attack = def.group_attack or false,
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step = def.step or 0,
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fov = def.fov or 165,
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passive = def.passive or false,
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recovery_time = def.recovery_time or 0.5,
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knock_back = def.knock_back or 3,
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blood_offset = def.blood_offset or 0,
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blood_amount = def.blood_amount or 15,
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blood_texture = texture_blood_cry,
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rewards = def.rewards or nil,
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stationary = def.stationary or false,
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activity_level = def.activity_level or 10,
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avoid_nodes = def.avoid_nodes or nil,
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avoid_range = def.avoid_range or nil,
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random_freq = def.random_freq or 1,
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icon = def.icon or nil,
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stimer = 0,
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timer = 0,
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env_damage_timer = 0, -- only if state = "attack"
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attack = {player=nil, dist=nil},
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state = "stand",
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v_start = false,
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old_y = nil,
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lifetimer = 600,
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tamed = false,
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last_state = nil,
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pause_timer = 0,
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path = nil,
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path_pos = nil,
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last_dist = nil,
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leg_timer = nil,
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path_callback = nil,
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start_path = function(self,callback)
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-- start on the defined path
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self.physical = false -- allow the mob to walk through other entities
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self.path_pos = 1
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self.state = "path"
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self.set_animation(self,"walk")
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mobs:face_pos(self,self.path[1])
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self.set_velocity(self,self.walk_velocity/2)
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self.last_dist = get_distance(self.object:getpos(),self.path[1])
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self.leg_timer = 0
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self.path_callback = callback
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end,
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check_path = function(self)
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local p = self.object:getpos()
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local pa = self.path[self.path_pos]
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local this_dist = get_distance(p,pa)
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if this_dist > self.last_dist or self.leg_timer > 1 then
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-- overshot the point so redirect the mob
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mobs:face_pos(self,self.path[self.path_pos])
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self.leg_timer = 0
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end
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self.last_dist = this_dist
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if math.abs(p.x - pa.x) < 1 and math.abs(p.z - pa.z) < 1 or ( self.path_pos == #self.path and this_dist < 1 ) then
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-- goto next position
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self.path_pos = self.path_pos + 1
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if self.path_pos <= #self.path then
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-- continue to next point
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mobs:face_pos(self,self.path[self.path_pos])
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self.set_velocity(self,self.walk_velocity)
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self.set_animation(self,"walk")
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self.leg_timer = 0
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else
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if self.path_callback ~= nil then
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-- do the arrival callback
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self.path_callback(self)
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end
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-- stop following path
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self.set_velocity(self,0)
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self.state = "stand"
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self.set_animation(self,"stand")
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self.path = nil
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self.path_pos = nil
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self.physical = true
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self.leg_timer = nil
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end
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end
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end,
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do_attack = function(self, player, dist)
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if self.state ~= "attack" then
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if self.sounds.war_cry then
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if math.random(0,100) < 90 then
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minetest.sound_play(self.sounds.war_cry,{ object = self.object })
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mobs.put_icon(self,"mobs:icon_notice",3)
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end
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end
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self.state = "attack"
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self.attack.player = player
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self.attack.dist = dist
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end
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end,
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do_avoidance = function(self)
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if self.avoid_nodes ~= nil then
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local avoid_range = self.avoid_range
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local avoid_nodes = self.avoid_nodes
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local pos = self.object:getpos()
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local minx = pos.x - avoid_range
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local maxx = pos.x + avoid_range
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local minz = pos.z - avoid_range
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local maxz = pos.z + avoid_range
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local npos = minetest.find_nodes_in_area({x=minx,y=(pos.y-2),z=minz},{x=maxx,y=(pos.y+2),z=maxz}, avoid_nodes)
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if #npos > 0 then
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local fpos = { x=(npos[1].x * -1),y=npos[1].y,z=(npos[1].z*-1) }
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mobs:face_pos(self,fpos)
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self.state="walk"
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self:set_animation("walk")
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self.set_velocity(self, self.walk_velocity)
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self.pause_timer = 3
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end
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end
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end,
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set_velocity = function(self, v)
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local yaw = self.object:getyaw()
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if self.drawtype == "side" then
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yaw = yaw+(math.pi/2)
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end
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local x = math.sin(yaw) * -v
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local z = math.cos(yaw) * v
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self.object:setvelocity({x=x, y=self.object:getvelocity().y, z=z})
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end,
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get_velocity = function(self)
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local v = self.object:getvelocity()
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return (v.x^2 + v.z^2)^(0.5)
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end,
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in_fov = function(self,pos)
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-- checks if POS is in self's FOV
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return true
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--[[
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local yaw = (self.object:getyaw() * 180 / math.pi)
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if self.drawtype == "side" then
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yaw = yaw+(math.pi/2)
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end
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if yaw < 0 then
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yaw = 360 - yaw
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end
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if yaw > 360 then
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yaw = yaw - 360
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end
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--print("Yaw: "..tostring(yaw))
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--print("FOV: "..tostring(self.fov))
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local vx = math.sin(yaw)
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local vz = math.cos(yaw)
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local ds = math.sqrt(vx^2 + vz^2)
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local ps = math.sqrt(pos.x^2 + pos.z^2)
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local d = { x = vx / ds, z = vz / ds }
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local p = { x = pos.x / ps, z = pos.z / ps }
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--print("DS "..tostring(ds))
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--print("PS "..tostring(ps))
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--print("D: x="..tostring(d.x)..", z="..tostring(d.z))
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--print("P: x="..tostring(p.x)..", z="..tostring(p.z))
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local an = ( d.x * p.x ) + ( d.z * p.z )
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--print("AN: "..tostring(an))
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local a = math.deg ( math.acos( an ) )
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--print("A: "..tostring(a))
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if a > ( self.fov / 2 ) then
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return false
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else
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return true
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end
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]]
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end,
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set_animation = function(self, type)
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if not self.animation then
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return
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end
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if not self.animation.current then
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self.animation.current = ""
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end
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if type == "stand" and self.animation.current ~= "stand" then
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if
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self.animation.stand_start
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and self.animation.stand_end
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and self.animation.speed_normal
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then
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self.object:set_animation(
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{x=self.animation.stand_start,y=self.animation.stand_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "stand"
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end
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elseif type == "walk" and self.animation.current ~= "walk" then
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if
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self.animation.walk_start
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and self.animation.walk_end
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and self.animation.speed_normal
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then
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self.object:set_animation(
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{x=self.animation.walk_start,y=self.animation.walk_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "walk"
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end
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elseif type == "run" and self.animation.current ~= "run" then
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if
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self.animation.run_start
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and self.animation.run_end
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and self.animation.speed_run
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then
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self.object:set_animation(
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{x=self.animation.run_start,y=self.animation.run_end},
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self.animation.speed_run, 0
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)
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self.animation.current = "run"
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end
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elseif type == "punch" and self.animation.current ~= "punch" then
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if
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self.animation.punch_start
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and self.animation.punch_end
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and self.animation.speed_normal
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then
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self.object:set_animation(
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{x=self.animation.punch_start,y=self.animation.punch_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "punch"
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end
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end
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end,
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on_step = def.on_step or mobs.on_step,
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on_activate = function(self, staticdata, dtime_s)
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-- reset HP
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local pos = self.object:getpos()
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local distance_rating = ( ( get_distance(game_origin,pos) ) / 20000 )
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local newHP = self.hp_min + math.floor( self.hp_max * distance_rating )
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self.object:set_hp( newHP )
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self.object:set_armor_groups({fleshy=self.armor})
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self.object:setacceleration({x=0, y=-10, z=0})
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self.state = "stand"
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self.object:setvelocity({x=0, y=self.object:getvelocity().y, z=0})
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self.object:setyaw(((math.random(0,360)-270)/180*math.pi))
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if self.type == "monster" and minetest.setting_getbool("only_peaceful_mobs") then
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self.object:remove()
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end
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if self.type ~= "npc" then
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self.lifetimer = 600 - dtime_s
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end
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if staticdata then
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local tmp = minetest.deserialize(staticdata)
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if tmp and tmp.lifetimer then
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self.lifetimer = tmp.lifetimer - dtime_s
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end
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if tmp and tmp.tamed then
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self.tamed = tmp.tamed
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end
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--[[if tmp and tmp.textures then
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self.object:set_properties(tmp.textures)
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end]]
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end
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if self.lifetimer <= 0 and not self.tamed and self.type ~= "npc" then
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self.object:remove()
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end
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if self.icon ~= nil then
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mobs.put_icon(self,self.icon,false)
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end
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end,
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get_staticdata = function(self)
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local tmp = {
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lifetimer = self.lifetimer,
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tamed = self.tamed,
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textures = { textures = self.textures },
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}
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return minetest.serialize(tmp)
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end,
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on_punch = def.on_punch or function(self, hitter, tflp, tool_capabilities, dir)
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if tflp == nil then
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tflp = 1
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end
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process_weapon(hitter,tflp,tool_capabilities)
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self.pause_timer = 0
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local hpos = hitter:getpos()
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local pos = self.object:getpos()
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if self.object:get_hp() <= 0 then
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if hitter and hitter:is_player() and hitter:get_inventory() then
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local name = hitter:get_player_name()
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pd.increment(name,STAT_KILLS,1)
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for _,drop in pairs(self.drops) do
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if math.random(1, 100) < drop.chance then
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local d = ItemStack(drop.name.." "..math.random(drop.min, drop.max))
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default.drop_item(pos,d)
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end
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end
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if self.sounds.death ~= nil then
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minetest.sound_play(self.sounds.death,{
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object = self.object,
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})
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end
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if minetest.get_modpath("skills") and minetest.get_modpath("experience") then
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-- DROP experience
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local distance_rating = ( ( get_distance(game_origin,pos) ) / ( skills.get_player_level(hitter:get_player_name()).level * 1000 ) )
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local emax = math.floor( self.exp_min + ( distance_rating * self.exp_max ) )
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local expGained = math.random(self.exp_min, emax)
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skills.add_exp(hitter:get_player_name(),expGained)
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local expStack = experience.exp_to_items(expGained)
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for _,stack in pairs(expStack) do
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default.drop_item(pos,stack)
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end
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end
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-- see if there are any NPCs to shower you with rewards
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if self.type ~= "npc" and self.type ~= "animal" then
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local inradius = minetest.get_objects_inside_radius(hitter:getpos(),10)
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for _, oir in pairs(inradius) do
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local obj = oir:get_luaentity()
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if obj then
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if obj.type == "npc" and obj.rewards ~= nil then
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local lp = hitter:getpos()
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local s = obj.object:getpos()
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local yaw = mobs:face_pos(self,lp)
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local vec = {x=lp.x-s.x, y=1, z=lp.z-s.z}
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local x = math.sin(yaw) * -2
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local z = math.cos(yaw) * 2
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local acc = {x=x, y=-5, z=z}
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for _, r in pairs(obj.rewards) do
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if math.random(0,100) < r.chance then
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default.drop_item(obj.object:getpos(),r.item, vec, acc)
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end
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end
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end
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end
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end
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end
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end
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end
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blood_particles(pos,self.blood_offset,self.blood_amount,self.blood_texture)
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-- knock back effect, adapted from blockmen's pyramids mod
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-- https://github.com/BlockMen/pyramids
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local kb = self.knock_back
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local r = self.recovery_time
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if tool_capabilities ~= nil then
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if tflp < tool_capabilities.full_punch_interval then
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kb = kb * ( tflp / tool_capabilities.full_punch_interval )
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r = r * ( tflp / tool_capabilities.full_punch_interval )
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end
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else
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kb = kb * ( tflp / 1 )
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r = r * ( tflp / 1 )
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end
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local ykb=2
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local v = self.object:getvelocity()
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if v.y ~= 0 then
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ykb = 0
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end
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if dir == nil then
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dir = {x=pos.x-hpos.x, y=pos.y-hpos.y, z=pos.z-hpos.z}
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if dir.x > 1 then dir.x = 1 end
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if dir.x < -1 then dir.x = -1 end
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if dir.z > 1 then dir.z = 1 end
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if dir.z < -1 then dir.z = -1 end
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end
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self.object:setvelocity({x=dir.x*kb,y=ykb,z=dir.z*kb})
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self.pause_timer = r
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-- attack puncher and call other mobs for help
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if self.passive == false then
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if self.state ~= "attack" then
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self.do_attack(self,hitter,1)
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end
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-- alert other NPCs to the attack
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local inradius = minetest.get_objects_inside_radius(hitter:getpos(),10)
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for _, oir in pairs(inradius) do
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local obj = oir:get_luaentity()
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if obj then
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if obj.group_attack == true and obj.state ~= "attack" and self.type == obj.type then
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obj.do_attack(obj,hitter,1)
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end
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end
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end
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end
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end,
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})
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end
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mobs.spawning_mobs = {}
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function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, min_dist, max_dist, spawn_func)
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mobs.spawning_mobs[name] = true
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minetest.register_abm({
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nodenames = nodes,
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--neighbors = {"air"},
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interval = 30,
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chance = chance,
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action = function(pos, node, _, active_object_count_wider)
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if mobs.spawn_counter > mobs.spawn_limit then
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return
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end
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mobs.spawn_counter = mobs.spawn_counter + 1
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if active_object_count_wider > active_object_count then
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return
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end
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if not mobs.spawning_mobs[name] then
|
|
return
|
|
end
|
|
|
|
--[[ don't spawn inside of blocks
|
|
local p2 = pos
|
|
p2.y = p2.y + 1
|
|
local p3 = p2
|
|
p3.y = p3.y + 1
|
|
if minetest.registered_nodes[minetest.get_node(p2).name].walkable == false or minetest.registered_nodes[minetest.get_node(p3).name].walkable == false then
|
|
return
|
|
end]]
|
|
|
|
if pos.y > max_height then
|
|
return
|
|
end
|
|
|
|
pos.y = pos.y+1
|
|
if not minetest.get_node_light(pos) then
|
|
return
|
|
end
|
|
if minetest.get_node_light(pos) > max_light then
|
|
return
|
|
end
|
|
if minetest.get_node_light(pos) < min_light then
|
|
return
|
|
end
|
|
|
|
if min_dist == nil then
|
|
min_dist = {x=-1,z=-1}
|
|
end
|
|
if max_dist == nil then
|
|
max_dist = {x=33000,z=33000}
|
|
end
|
|
|
|
if math.abs(pos.x) < min_dist.x or math.abs(pos.z) < min_dist.z then
|
|
return
|
|
end
|
|
|
|
if math.abs(pos.x) > max_dist.x or math.abs(pos.z) > max_dist.z then
|
|
return
|
|
end
|
|
|
|
if spawn_func and not spawn_func(pos, node) then
|
|
return
|
|
end
|
|
|
|
if minetest.setting_getbool("display_mob_spawn") then
|
|
minetest.chat_send_all("[mobs] Add "..name.." at "..minetest.pos_to_string(pos))
|
|
end
|
|
mobs:spawn_mob(pos,name)
|
|
end
|
|
})
|
|
end
|
|
|
|
function mobs:spawn_mob(pos,name)
|
|
-- make sure the nodes above are walkable
|
|
|
|
minetest.log("info","Attempting to spawn "..name)
|
|
local nodename = minetest.get_node(pos).name
|
|
if minetest.registered_nodes[nodename] ~= nil then
|
|
if minetest.registered_nodes[nodename].walkable == true or minetest.registered_nodes[nodename].walkable == nil or nodename == "default:water_source" then
|
|
return -1
|
|
end
|
|
pos.y = pos.y + 1
|
|
nodename = minetest.get_node(pos).name
|
|
if minetest.registered_nodes[nodename].walkable == true or minetest.registered_nodes[nodename].walkable == nil or nodename == "default:water_source" then
|
|
return -1
|
|
end
|
|
pos.y = pos.y - 1
|
|
end
|
|
local mob = minetest.add_entity(pos, name)
|
|
|
|
-- setup the hp, armor, drops, etc... for this specific mob
|
|
local distance_rating = ( ( get_distance(game_origin,pos) ) / 15000 )
|
|
if mob ~= nil then
|
|
mob = mob:get_luaentity()
|
|
if mob ~= nil then
|
|
minetest.log("info",name.." spawned at "..minetest.pos_to_string(pos))
|
|
local newHP = mob.hp_min + math.floor( mob.hp_max * distance_rating )
|
|
mob.object:set_hp( newHP )
|
|
mob.state = "walk" -- make them walk when they spawn so they walk away from their original spawn position
|
|
-- vary the walk and run velocity when a mob is spawned so groups of mobs don't clump up so bad
|
|
--math.randomseed(os.clock())
|
|
|
|
mob.walk_velocity = mob.walk_velocity - ( mob.walk_velocity * ( math.random(0,12) / 100 ) )
|
|
if mob.walk_velocity < 0 then
|
|
mob.walk_velocity = 0
|
|
end
|
|
|
|
mob.run_velocity = mob.run_velocity - ( mob.run_velocity * ( math.random(0,12) / 100 ) )
|
|
if mob.run_velocity < 0 then
|
|
mob.run_velocity = 0
|
|
end
|
|
if mob.icon ~= nil then
|
|
mobs.put_icon(mob,mob.icon,false)
|
|
end
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
|
|
function mobs:get_random(type)
|
|
if mobs.mob_list[type] ~= nil then
|
|
--local seed = os.clock() + os.time()
|
|
--math.randomseed(seed)
|
|
local idx = math.random(1,#mobs.mob_list[type])
|
|
if mobs.mob_list[type][idx] ~= nil then
|
|
return mobs.mob_list[type][idx]
|
|
end
|
|
return false
|
|
end
|
|
end
|
|
|
|
function mobs:register_arrow(name, def)
|
|
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,
|
|
timer = 0,
|
|
|
|
on_step = function(self, dtime)
|
|
self.timer=self.timer+dtime
|
|
if self.timer > 0.2 then
|
|
local pos = self.object:getpos()
|
|
if minetest.get_node(self.object:getpos()).name ~= "air" and minetest.get_node(self.object:getpos()).name ~= "fire:basic_flame"then
|
|
self.hit_node(self, pos, node)
|
|
self.object:remove()
|
|
return
|
|
end
|
|
--pos.y = pos.y-1
|
|
local objs = minetest.get_objects_inside_radius(pos, 2)
|
|
for _,player in pairs(objs) do
|
|
if player:get_luaentity() ~= nil then
|
|
local luae = player:get_luaentity()
|
|
if luae.name ~= self.object:get_luaentity().name and luae.name ~= "__builtin:item" then
|
|
self.hit_player(self, player)
|
|
self.object:remove()
|
|
return
|
|
end
|
|
else
|
|
self.hit_player(self, player)
|
|
self.object:remove()
|
|
return
|
|
end
|
|
end
|
|
end
|
|
end
|
|
})
|
|
end
|
|
|
|
function mobs:face_pos(self,pos)
|
|
local s = self.object:getpos()
|
|
local vec = {x=pos.x-s.x, y=pos.y-s.y, z=pos.z-s.z}
|
|
local yaw = math.atan(vec.z/vec.x)+math.pi/2
|
|
if self.drawtype == "side" then
|
|
yaw = yaw+(math.pi/2)
|
|
end
|
|
if pos.x > s.x then
|
|
yaw = yaw+math.pi
|
|
end
|
|
self.object:setyaw(yaw)
|
|
--print("Yaw "..tostring(yaw))
|
|
return yaw
|
|
end
|
|
|
|
function get_distance(pos1,pos2)
|
|
if ( pos1 ~= nil and pos2 ~= nil ) then
|
|
return math.abs(math.floor(math.sqrt( (pos1.x - pos2.x)^2 + (pos1.z - pos2.z)^2 )))
|
|
else
|
|
return 0
|
|
end
|
|
end
|
|
|
|
blood_particles = function(pos,offset,amt,tex)
|
|
if amt > 0 and pos ~= nil then
|
|
local p = pos
|
|
p.y = p.y + offset
|
|
|
|
local ps_def = {
|
|
amount = amt,
|
|
time = 0.25,
|
|
minpos = {x=p.x-0.2, y=p.y-0.2, z=p.z-0.2},
|
|
maxpos = {x=p.x+0.2, y=p.y+0.2, z=p.z+0.2},
|
|
minvel = {x=0, y=-2, z=0},
|
|
maxvel = {x=2, y=2, z=2},
|
|
minacc = {x=-4,y=-4,z=-4},
|
|
maxacc = {x=4,y=-4,z=4},
|
|
minexptime = 0.1,
|
|
maxexptime = 1,
|
|
minsize = 0.5,
|
|
maxsize = 1,
|
|
collisiondetection = false,
|
|
texture = tex
|
|
}
|
|
minetest.add_particlespawner(ps_def)
|
|
end
|
|
end
|
|
|
|
function process_weapon(player, time_from_last_punch, tool_capabilities)
|
|
local weapon = player:get_wielded_item()
|
|
if tool_capabilities ~= nil then
|
|
local wear = ( tool_capabilities.full_punch_interval / 75 ) * 65535
|
|
weapon:add_wear(wear)
|
|
player:set_wielded_item(weapon)
|
|
end
|
|
|
|
if weapon:get_definition().sounds ~= nil then
|
|
local s = math.random(0,#weapon:get_definition().sounds)
|
|
minetest.sound_play(weapon:get_definition().sounds[s], {
|
|
object=player,
|
|
})
|
|
else
|
|
minetest.sound_play("default_sword_wood", {
|
|
object = player,
|
|
})
|
|
end
|
|
end
|
|
|
|
function mobs.global_step(dtime)
|
|
mobs.api_timer = mobs.api_timer + dtime
|
|
mobs.spawn_timer = mobs.spawn_timer + dtime
|
|
if mobs.api_timer >= 1 then
|
|
mobs.api_icount = 0
|
|
mobs.api_timer = 0
|
|
end
|
|
if mobs.spawn_timer >= 2 then
|
|
mobs.spawn_timer = 0
|
|
mobs.spawn_counter = 0
|
|
end
|
|
end
|
|
|
|
function mobs.api_throttling(self)
|
|
if mobs.api_icount > mobs.api_throttle then
|
|
return true
|
|
end
|
|
mobs.api_icount = mobs.api_icount + 1
|
|
self.timer = -2
|
|
return false
|
|
end |