yl_speak_up/interface_mobs_api.lua

-- Make the NPC talk (mobs_redo interface)

--###
-- Mob functions
--###

function yl_speak_up.on_rightclick(self, clicker)
    --local item = clicker:get_wielded_item()
    local name = clicker:get_player_name()

    -- Take the mob only with net or lasso
    if self.owner and self.owner == name then
        if mobs:capture_mob(self, clicker, nil, 100, 100, true, nil) then
            return
        end
    end

    -- protect npc with mobs:protector
    if mobs:protect(self, clicker) then
        return
    end

    -- bring up the dialog options
    if clicker then
        yl_speak_up.talk(self, clicker)
        return
    end
end

function yl_speak_up.on_spawn(self)
    --Let's assign an ID

    local m_talk = yl_speak_up.talk_after_spawn or true
    local m_id = yl_speak_up.number_of_npcs + 1

    yl_speak_up.number_of_npcs = m_id
    yl_speak_up.modstorage:set_int("amount", m_id)

    yl_speak_up.mob_table[m_id] = "yl_speak_up:test_npc"

    self.yl_speak_up = {
        talk = m_talk,
        id = m_id,
        textures = self.textures
    }

    --Let's protect it
    self.protected = true
    self.tamed = true
    self.object:set_armor_groups({immortal = 100})

    minetest.log(
        "action",
        "[MOD] yl_speak_up: NPC with ID n_" ..
            self.yl_speak_up.id .. " spawned at " .. minetest.pos_to_string(self.object:get_pos(), 0)
    )

    --Let's do it only once
    return true
end

function yl_speak_up.after_activate(self, staticdata, def, dtime)
    minetest.log(
        "action",
        "[MOD] yl_speak_up: NPC with ID n_" ..
            self.yl_speak_up.id .. " activated at " .. minetest.pos_to_string(self.object:get_pos(), 0)
    )

    if yl_speak_up.status == 2 then
        self.object:remove()
        return true
    end

    if self.yl_speak_up and self.yl_speak_up.skin then
        local tex = self.yl_speak_up.skin
        self.object:set_properties({textures = {tex[1], tex[2], tex[3], tex[4]}})
    end

    if yl_speak_up.infotext then
        local i_text = ""
        if self.yl_speak_up.npc_name then
            i_text = i_text .. self.yl_speak_up.npc_name .. "\n"
        end
        if self.yl_speak_up.npc_description then
            i_text = i_text .. self.yl_speak_up.npc_description .. "\n"
        end
        i_text = i_text .. yl_speak_up.infotext
        self.object:set_properties({infotext = i_text})
    end

    yl_speak_up.update_nametag(self)

    -- create a detached inventory for the npc and load its inventory
    yl_speak_up.load_npc_inventory("n_"..tostring(self.yl_speak_up.id))
end