210 lines
6.1 KiB
Lua
210 lines
6.1 KiB
Lua
local FREE_ROAMING = true
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local WALKING_SPEED = 1
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local RUNNING_SPEED = 2
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local FOLLOW_RADIUS_MIN = 5
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local FOLLOW_RADIUS_MAX = 30
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local AVOIDED_NODES = {
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"ignore",
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"default:water_source",
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"default:water_flowing",
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"default:lava_source",
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"default:lava_flowing",
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}
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local ANIMATION = {
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["Stand"] = {id=1, state=NPCF_ANIM_STAND},
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["Sit"] = {id=2, state=NPCF_ANIM_SIT},
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["Lay"] = {id=3, state=NPCF_ANIM_LAY},
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["Mine"] = {id=4, state=NPCF_ANIM_MINE},
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}
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local function get_target_player(self)
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local target_player = nil
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local min_dist = FOLLOW_RADIUS_MAX
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for _,player in ipairs(minetest.get_connected_players()) do
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if player then
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local pos = player:getpos()
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if pos then
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local dist = vector.distance(pos, pos)
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if dist < min_dist then
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target_player = player
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min_dist = dist
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end
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end
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end
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end
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return target_player
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end
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npcf:register_npc("npcf_deco:npc" ,{
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description = "Decorative NPC",
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mesh = "npcf_deco.x",
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textures = {"npcf_deco_skin.png"},
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animation_speed = 12,
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animation = {
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stand_START = 0,
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stand_END = 79,
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sit_START = 81,
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sit_END = 160,
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lay_START = 162,
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lay_END = 166,
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walk_START = 168,
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walk_END = 187,
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mine_START = 189,
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mine_END = 198,
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run_START = 221,
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run_END = 240,
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},
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metadata = {
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free_roaming = "false",
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follow_players = "false",
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anim_stop = "Stand",
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},
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var = {
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speed = 1,
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avoid_dir = 1,
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last_pos = {x=0,y=0,z=0},
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target = nil,
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},
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stepheight = 1.1,
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inventory_image = "npcf_deco_inv.png",
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on_construct = function(self)
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self.object:setvelocity({x=0, y=0, z=0})
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self.object:setacceleration({x=0, y=-10, z=0})
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npcf:set_animation(self, ANIMATION[self.metadata.anim_stop].state)
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end,
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on_activate = function(self)
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if self.metadata.follow_players == "true" then
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self.var.target = get_target_player(self)
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end
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end,
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on_rightclick = function(self, clicker)
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local player_name = clicker:get_player_name()
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local message = "Hello"
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if self.metadata.message then
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message = minetest.formspec_escape(self.metadata.message)
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end
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local formspec
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if player_name == self.owner then
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local selected_id = ANIMATION[self.metadata.anim_stop].id or ""
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formspec = "size[8,4.0]"
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.."field[0.5,1.0;7.5,0.5;message;Message;"..message.."]"
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.."label[0.5,1.8;Stationary Animation\\:]"
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.."dropdown[4.0,1.8;3.5;anim_stop;Stand,Sit,Lay,Mine;"..selected_id.."]"
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.."checkbox[0.5,2.7;follow_players;Follow Players;"..self.metadata.follow_players.."]"
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.."button_exit[7.0,3.5;1.0,0.5;;Ok]"
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if FREE_ROAMING == true then
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formspec = formspec.."checkbox[3.5,2.7;free_roaming;Wander Map;"..self.metadata.free_roaming.."]"
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end
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else
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formspec = "size[8,4]".."label[0,0;"..message.."]"
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end
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self.var.speed = 0
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npcf:show_formspec(player_name, self.npc_id, formspec)
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end,
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on_step = function(self, dtime)
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if self.timer > 1 then
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self.timer = 0
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local speed = 0
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local pos = self.object:getpos()
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local yaw = self.object:getyaw()
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local turn = pos.x == self.var.last_pos.x and pos.z == self.var.last_pos.z
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local acceleration = {x=0, y=-10, z=0}
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local velocity = self.object:getvelocity()
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local roaming = FREE_ROAMING == true and self.metadata.free_roaming == "true"
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if roaming == true or self.metadata.follow_players == "true" then
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speed = self.var.speed
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if math.random(10) == 1 then
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if speed == 0 or speed == RUNNING_SPEED then
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speed = WALKING_SPEED
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elseif math.random(5) == 1 then
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speed = RUNNING_SPEED
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elseif math.random(5) == 1 then
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speed = 0
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end
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elseif math.random(30) == 1 then
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self.var.avoid_dir = self.var.avoid_dir * -1
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end
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if self.metadata.follow_players == "true" then
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local valid_target = false
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if self.var.target then
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local target = self.var.target:getpos()
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if target then
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valid_target = true
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yaw = npcf:get_face_direction(pos, target)
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if vector.distance(pos, target) < FOLLOW_RADIUS_MIN then
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speed = 0
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end
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end
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end
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if math.random(10) == 1 or valid_target == false then
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self.var.target = get_target_player(self)
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end
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end
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if speed ~= 0 then
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local node_pos = vector.add(npcf:get_walk_velocity(5, 0, yaw), pos)
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node_pos = vector.round(node_pos)
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local air_content = 0
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for i = 1, 5 do
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local test_pos = {x=node_pos.x, y=node_pos.y-i, z=node_pos.z}
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local node = minetest.get_node(test_pos)
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if node.name == "air" then
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air_content = air_content + 1
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end
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for _, v in ipairs(AVOIDED_NODES) do
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if node.name == v then
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turn = true
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break
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end
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end
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end
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if turn == false then
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local objects = minetest.get_objects_inside_radius(node_pos, 2)
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if #objects > 0 then
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turn = true
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end
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end
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if turn == true or air_content == 5 then
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yaw = yaw + math.pi * 0.5 * self.var.avoid_dir
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speed = WALKING_SPEED
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elseif pos.x == self.var.last_pos.x or pos.z == self.var.last_pos.z then
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yaw = yaw + math.pi * 0.25 * self.var.avoid_dir
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end
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if roaming == true then
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if math.random(4) == 1 then
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yaw = yaw + (math.random(3) - 2) * 0.25
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end
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elseif self.var.target == nil then
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speed = 0
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end
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end
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self.var.speed = speed
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self.object:setyaw(yaw)
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end
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self.var.last_pos = pos
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if speed == 0 then
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npcf:set_animation(self, ANIMATION[self.metadata.anim_stop].state)
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elseif speed == RUNNING_SPEED then
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self.object:set_animation({x=self.animation.run_START, y=self.animation.run_END}, 20)
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self.state = 0
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else
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npcf:set_animation(self, NPCF_ANIM_WALK)
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end
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local node = minetest.get_node(pos)
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if string.find(node.name, "^default:water") then
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acceleration = {x=0, y=-4, z=0}
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velocity = {x=0, y=3, z=0}
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elseif minetest.find_node_near(pos, 2, {"group:water"}) then
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acceleration = {x=0, y=-1, z=0}
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end
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self.object:setvelocity(npcf:get_walk_velocity(speed, velocity.y, yaw))
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self.object:setacceleration(acceleration)
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end
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end,
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on_receive_fields = function(self, fields, sender)
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if fields.free_roaming or fields.follow_players then
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self.var.speed = WALKING_SPEED
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end
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end,
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})
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