sneeker = {} sneeker.modname = core.get_current_modname() sneeker.modpath = core.get_modpath(sneeker.modname) local debugging = core.settings:get_bool("enable_debug_mods", false) sneeker.log = function(lvl, msg) if lvl == "debug" and not debugging then return end if msg == nil then msg = lvl lvl = nil end msg = "[" .. sneeker.modname .. "] " .. msg if lvl == "debug" then msg = "[DEBUG]" .. msg lvl = nil; end if not lvl then core.log(msg) else core.log(lvl, msg) end end local scripts = { "settings", "tnt_function", "spawn", } for _, script in ipairs(scripts) do dofile(sneeker.modpath .. "/" .. script .. ".lua") end local function jump(self, pos, direction) local velocity = self.object:get_velocity() if core.registered_nodes[core.get_node(pos).name].climbable then self.object:set_velocity({x=velocity.x, y=4, z=velocity.z}) return end local spos = {x=pos.x+direction.x, y=pos.y, z=pos.z+direction.z} local node = core.get_node_or_nil(spos) spos.y = spos.y+1 local node2 = core.get_node_or_nil(spos) local def, def2 = {} if node and node.name then def = core.registered_items[node.name] end if node2 and node2.name then def2 = core.registered_items[node2.name] end if def and def.walkable and def2 and not def2.walkable and def.drawtype ~= "fencelike" then self.object:set_velocity({ x = velocity.x*2.2, y = self.jump_height, z = velocity.z*2.2 }) end end local function random_turn(self) if self.turn_timer > math.random(2, 5) then local select_turn = math.random(1, 3) if select_turn == 1 then self.turn = "left" elseif select_turn == 2 then self.turn = "right" elseif select_turn == 3 then self.turn = "straight" end self.turn_timer = 0 self.turn_speed = 0.05*math.random() end end local def = { hp_max = 20, physical = true, collisionbox = {-0.25, -0.7, -0.25, 0.25, 0.8, 0.25}, visual = "mesh", mesh = "character.b3d", textures = {"sneeker.png"}, makes_footstep_sound = false, -- Original animation = { stand_START = 0, stand_END = 79, walk_START = 168, walk_END = 187 }, walk_speed = 1.5, jump_height = 5, animation_speed = 30, knockback_level = 2 } def.on_activate = function(self, staticdata) self.yaw = 0 self.anim = 1 self.timer = 0 self.visualx = 1 self.jump_timer = 0 self.turn_timer = 0 self.turn_speed = 0 self.powered = false self.knockback = false self.state = math.random(1, 2) self.old_y = self.object:get_pos().y -- despawning self.lifetime = sneeker.lifetime self.lifetimer = 0 self.check_despawn_player_distance = true local data = core.deserialize(staticdata) if data and type(data) == "table" then if data.powered == true then self.powered = true self.object:set_properties({textures = {"sneeker_powered.png"}}) end else if math.random(0, 20) == 20 then self.powered = true self.object:set_properties({textures = {"sneeker_powered.png"}}) end end end local function isnan(n) return tostring(n) == tostring((-1)^.5) end def.on_step = function(self, dtime) -- update lifetime timer -- FIXME: this is longer than realtime self.lifetimer = self.lifetimer + dtime if self.lifetimer >= self.lifetime then -- TODO: should have a death animation self.object:remove() return true end if self.knockback then return false end local ANIM_STAND = 1 local ANIM_WALK = 2 local pos = self.object:get_pos() if sneeker.despawn_player_far then -- run check about once per 60 seconds local interval_reached = math.floor(self.lifetimer % 60) == 0 if not interval_reached and not self.check_despawn_player_distance then self.check_despawn_player_distance = true end if interval_reached and self.check_despawn_player_distance then local player_nearby = false for _, entity in ipairs(core.get_objects_inside_radius(pos, sneeker.despawn_player_radius)) do if entity:is_player() then player_nearby = true break end end if not player_nearby then self.object:remove() return true end -- set flag to not check again until next interval self.check_despawn_player_distance = false end end local yaw = self.object:get_yaw() local inside = core.get_objects_inside_radius(pos, 10) local walk_speed = self.walk_speed local animation = self.animation local anim_speed = self.animation_speed local velocity = self.object:get_velocity() self.timer = self.timer+0.01 self.turn_timer = self.turn_timer+0.01 self.jump_timer = self.jump_timer+0.01 if not self.chase and self.timer > math.random(2, 5) then if math.random() > 0.8 then self.state = "stand" else self.state = "walk" end self.timer = 0 end if self.turn == "right" then self.yaw = self.yaw+self.turn_speed self.object:set_yaw(self.yaw) elseif self.turn == "left" then self.yaw = self.yaw-self.turn_speed self.object:set_yaw(self.yaw) end if self.chase and self.visualx < 2 then if self.hiss == false then core.sound_play("sneeker_hiss", {pos=pos, gain=1.5, max_hear_distance=2*64}) end self.visualx = self.visualx+0.05 self.object:set_properties({ visual_size = {x=self.visualx, y=1} }) self.hiss = true elseif self.visualx > 1 then self.visualx = self.visualx-0.05 self.object:set_properties({ visual_size = {x=self.visualx, y=1} }) self.hiss = false end self.chase = false for _, object in ipairs(inside) do if object:is_player() then self.state = "chase" end end if self.state == "stand" then if self.anim ~= ANIM_STAND then self.object:set_animation({x=animation.stand_START, y=animation.stand_END}, anim_speed, 0) self.anim = ANIM_STAND end random_turn(self) if velocity.x ~= 0 or velocity.z ~= 0 then self.object:set_velocity({x=0, y=velocity.y, z=0}) end end if self.state == "walk" then if self.anim ~= ANIM_WALK then self.object:set_animation({x=animation.walk_START, y=animation.walk_END}, anim_speed, 0) self.anim = ANIM_WALK end self.direction = {x=math.sin(yaw)*-1, y=-10, z=math.cos(yaw)} if self.direction then self.object:set_velocity({x=self.direction.x*walk_speed, y=velocity.y, z=self.direction.z*walk_speed}) end random_turn(self) local velocity = self.object:get_velocity() if self.turn_timer > 1 then local direction = self.direction local npos = {x=pos.x+direction.x, y=pos.y+0.2, z=pos.z+direction.z} if velocity.x == 0 or velocity.z == 0 or core.registered_nodes[core.get_node(npos).name].walkable then local select_turn = math.random(1, 2) if select_turn == 1 then self.turn = "left" elseif select_turn == 2 then self.turn = "right" end self.turn_timer = 0 self.turn_speed = 0.05*math.random() end end -- Jump if self.jump_timer > 0.2 then jump(self, pos, self.direction) end end if self.state == "chase" then if self.anim ~= ANIM_WALK then self.object:set_animation({x=animation.walk_START, y=animation.walk_END}, anim_speed, 0) self.anim = ANIM_WALK end self.turn = "straight" local inside_2 = core.get_objects_inside_radius(pos, 2) -- Boom if #inside_2 ~= 0 then for _, object in ipairs(inside_2) do if object:is_player() and object:get_hp() ~= 0 then self.chase = true if self.visualx >= 2 then self.object:remove() sneeker.boom(pos, self.powered) core.sound_play("sneeker_explode", {pos=pos, gain=sneeker.boom_gain, max_hear_distance=2*64}) return true end end end end if #inside ~= 0 then for _, object in ipairs(inside) do if object:is_player() and object:get_hp() ~= 0 then if #inside_2 ~= 0 then for _, object in ipairs(inside_2) do -- Stop move if object:is_player() then if self.anim ~= ANIM_STAND then self.object:set_animation({x=animation.stand_START, y=animation.stand_END}, anim_speed, 0) self.anim = ANIM_STAND end self.object:set_velocity({x=0, y=velocity.y, z=0}) return end end end local ppos = object:get_pos() self.vec = {x=ppos.x-pos.x, y=ppos.y-pos.y, z=ppos.z-pos.z} self.yaw = math.atan(self.vec.z/self.vec.x)+math.pi^2 if ppos.x > pos.x then self.yaw = self.yaw+math.pi end self.yaw = self.yaw-2 self.object:set_yaw(self.yaw) self.direction = {x=math.sin(self.yaw)*-1, y=0, z=math.cos(self.yaw)} local direction = self.direction -- FIXME: hack local can_set = true for _, c in ipairs({direction.x*2.5, direction.z*2.5}) do if isnan(c) then can_set = false break end end if can_set then self.object:set_velocity({x=direction.x*2.5, y=velocity.y, z=direction.z*2.5}) end -- Jump if self.jump_timer > 0.2 then jump(self, pos, direction) end end end else self.state = "stand" end end -- Swim local node = core.get_node(pos) if core.get_item_group(node.name, "water") ~= 0 then self.object:set_acceleration({x=0, y=1, z=0}) local velocity = self.object:get_velocity() if self.object:get_velocity().y > 5 then self.object:set_velocity({x=0, y=velocity.y-velocity.y/2, z=0}) else self.object:set_velocity({x=0, y=velocity.y+1, z=0}) end else self.object:set_acceleration({x=0, y=-10, z=0}) end return true end def.on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir) if self.knockback == false then local knockback_level = self.knockback_level self.object:set_velocity({x=dir.x*knockback_level, y=3, z=dir.z*knockback_level}) self.knockback = true core.after(0.6, function() self.knockback = false end) end if self.object:get_hp() < 1 then local pos = self.object:get_pos() local x = 1/math.random(1, 5)*dir.x local z = 1/math.random(1, 5)*dir.z local p = {x=pos.x+x, y=pos.y, z=pos.z+z} local node = core.get_node_or_nil(p) if node == nil or not node.name or node.name ~= "air" then p = pos end local obj = core.add_item(p, {name="tnt:gunpowder", count=math.random(0, 2)}) end end def.get_staticdata = function(self) return core.serialize({ powered = self.powered }) end core.register_entity("sneeker:sneeker", def) core.register_craftitem("sneeker:spawnegg", { description = "Sneeker Spawn Egg", inventory_image = "sneeker_spawnegg.png", stack_max = 64, on_place = function(itemstack, placer, pointed_thing) if pointed_thing.type == "node" then local pos = pointed_thing.above pos.y = pos.y+1 core.add_entity(pos, "sneeker:sneeker") if not core.settings:get_bool("creative_mode", false) then itemstack:take_item() end return itemstack end end })