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TFS 1.X+ TFS1.3 Spawn npc (on startup) first day of the month

undead mage

undead mage

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Hello! I was wondering if it's possible to spawn a certain npc for example every first day of the month at startup?
 
Solution
Znote
Sure:
Lua: 
local globalevent_spawnNPC_onDay = GlobalEvent("globalevent_spawnNPC_onDay")

-- NPC list and which day(s) of month they should spawn
spawnNpcList = {
    ["Banker"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {1}
    },
    ["Sam"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {14, 28}
    }
}
-- on startup
function globalevent_spawnNPC_onDay.onStartup()
    local today = tonumber(os.date("%d", os.time()))
    local spawnedNPC = 0
    local shouldHaveSpawned = 0
    for npcName, npcInfo in pairs(spawnNpcList) do
        for _, day in ipairs(npcInfo["dayList"]) do
            -- If today is in the configured dayList of this NPC
            if today == day then...
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RevScriptSys, place file in data/scripts/ folder, and restart server.
Lua: 
local globalevent_spawnNPC_firstDay = GlobalEvent("globalevent_spawnNPC_firstDay")

function globalevent_spawnNPC_firstDay.onStartup()
	local day = tonumber(os.date("%d", os.time()))
    -- This is not the first day of any month
    if day > 1 then 
        return false 
    end

    -- Where do we want to place this NPC?
    local pos = Position(1024, 1024, 7)
    local npc = Game.createNpc("Banker", pos)
    if npc then 
        npc:setMasterPos(pos)
        pos:sendMagicEffect(CONST_ME_MAGIC_RED)
        return true
    end

    print("Error: Failed to spawn NPC [".. npc:getName() .."] as position [".. pos.x ..", ".. pos.y ..", ".. pos.z .."].");
	return false
end

globalevent_spawnNPC_firstDay:register()
 
Upvote 0 Downvote
Znote said:
RevScriptSys, place file in data/scripts/ folder, and restart server.
Lua: 
local globalevent_spawnNPC_firstDay = GlobalEvent("globalevent_spawnNPC_firstDay")

function globalevent_spawnNPC_firstDay.onStartup()
    local day = tonumber(os.date("%d", os.time()))
    -- This is not the first day of any month
    if day > 1 then
        return false
    end

    -- Where do we want to place this NPC?
    local pos = Position(1024, 1024, 7)
    local npc = Game.createNpc("Banker", pos)
    if npc then
        npc:setMasterPos(pos)
        pos:sendMagicEffect(CONST_ME_MAGIC_RED)
        return true
    end

    print("Error: Failed to spawn NPC [".. npc:getName() .."] as position [".. pos.x ..", ".. pos.y ..", ".. pos.z .."].");
    return false
end

globalevent_spawnNPC_firstDay:register()
Click to expand...
Thank you! I had one more question would it be possible to make it that multiple npcs/positions/days could be given? For example now it's banker on every first day of the month. But would it be possible to make it that I can add another npc, Sam for example to spawn every 15th of the month?
 
Upvote 0 Downvote
Sure:
Lua: 
local globalevent_spawnNPC_onDay = GlobalEvent("globalevent_spawnNPC_onDay")

-- NPC list and which day(s) of month they should spawn
spawnNpcList = {
    ["Banker"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {1}
    },
    ["Sam"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {14, 28}
    }
}
-- on startup
function globalevent_spawnNPC_onDay.onStartup()
    local today = tonumber(os.date("%d", os.time()))
    local spawnedNPC = 0
    local shouldHaveSpawned = 0
    for npcName, npcInfo in pairs(spawnNpcList) do
        for _, day in ipairs(npcInfo["dayList"]) do
            -- If today is in the configured dayList of this NPC
            if today == day then
                shouldHaveSpawned = shouldHaveSpawned + 1
                -- Where do we want to place this NPC?
                local pos = Position(npcInfo.pos.x, npcInfo.pos.y, npcInfo.pos.z)
                local npc = Game.createNpc(npcName, pos)
                if npc then
                    npc:setMasterPos(pos)
                    pos:sendMagicEffect(CONST_ME_MAGIC_RED)
                    spawnedNPC = spawnedNPC + 1
                else
                    print("Error: Failed to spawn NPC [".. npcName .."] as position [".. pos.x ..", ".. pos.y ..", ".. pos.z .."].")
                end
            end
        end
    end
    print("Spawned [".. spawnedNPC .."] out of [".. shouldHaveSpawned .."] day configured NPC's on startup.")
    return true
end

globalevent_spawnNPC_onDay:register()
 
Last edited:
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Solution
Znote said:
Sure:
Lua: 
local globalevent_spawnNPC_onDay = GlobalEvent("globalevent_spawnNPC_onDay")

-- NPC list and which day(s) of month they should spawn
spawnNpcList = {
    ["Banker"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {1}
    },
    ["Sam"] = {
        ["pos"] = {x=1024, y=1024, z=7},
        ["dayList"] = {14, 28}
    }
}
-- on startup
function globalevent_spawnNPC_onDay.onStartup()
    local today = tonumber(os.date("%d", os.time()))
    local spawnedNPC = 0
    local shouldHaveSpawned = 0
    for npcName, npcInfo in ipairs(spawnNpcList) do
        for _, day in ipairs(npcInfo["dayList"]) do
            -- If today is in the configured dayList of this NPC
            if today == day then
                shouldHaveSpawned = shouldHaveSpawned + 1
                -- Where do we want to place this NPC?
                local pos = Position(npcInfo.pos.x, npcInfo.pos.y, npcInfo.pos.z)
                local npc = Game.createNpc(npcName, pos)
                if npc then
                    npc:setMasterPos(pos)
                    pos:sendMagicEffect(CONST_ME_MAGIC_RED)
                    spawnedNPC = spawnedNPC + 1
                else
                    print("Error: Failed to spawn NPC [".. npcName .."] as position [".. pos.x ..", ".. pos.y ..", ".. pos.z .."].")
                end
            end
        end
    end
    print("Spawned [".. spawnedNPC .."] out of [".. shouldHaveSpawned .."] day configured NPC's on startup.")
    return true
end

globalevent_spawnNPC_onDay:register()
Click to expand...
Hey thank you! But it doesn't seem to be working. I have configured the position (triple checked it) and at dayList I have used 27 (today). But it doesn't spawn and the console also says 0 out of 0 day npcs spawned
 
Upvote 0 Downvote
undead mage said:
Hey thank you! But it doesn't seem to be working. I have configured the position (triple checked it) and at dayList I have used 27 (today). But it doesn't spawn and the console also says 0 out of 0 day npcs spawned
Click to expand...

Add print statements inside the function so you can debug what's going on.
 
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So added the following prints
Lua: 
-- on startup
function globalevent_spawnNPC_onDay.onStartup()
    print("Test1")
    local today = tonumber(os.date("%d", os.time()))
    local spawnedNPC = 0
    local shouldHaveSpawned = 0
    for npcName, npcInfo in ipairs(spawnNpcList) do
        print("Test2")
        for _, day in ipairs(npcInfo["dayList"]) do
            print("Test3")
            -- If today is in the configured dayList of this NPC
            if today == day then
                print("Test4")
                shouldHaveSpawned = shouldHaveSpawned + 1
                -- Where do we want to place this NPC?
                local pos = Position(npcInfo.pos.x, npcInfo.pos.y, npcInfo.pos.z)
                local npc = Game.createNpc(npcName, pos)
                if npc then
                    print("Test5")
                    npc:setMasterPos(pos)
                    pos:sendMagicEffect(CONST_ME_MAGIC_RED)
                    spawnedNPC = spawnedNPC + 1
                else
                    print("Test6")
                    print("Error: Failed to spawn NPC [".. npcName .."] as position [".. pos.x ..", ".. pos.y ..", ".. pos.z .."].")
                end
            end
        end
    end
    print("Test7")
    print("Spawned [".. spawnedNPC .."] out of [".. shouldHaveSpawned .."] day configured NPC's on startup.")
    return true
end

Output:
output.jpg
 
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undead mage said:
Do I also need to change
for _, day in ipairs(npcInfo["dayList"]) do
for
for _, day in pairs(npcInfo["dayList"]) do
?
Click to expand...

Nope, here is difference explained between pairs() and ipairs():
stackoverflow.com

What is the difference of pairs() vs. ipairs() in Lua?

In a for loop, what is the difference between looping with pairs() and ipairs()? This page uses both: Lua Docs With ipairs(): a = {"one", "two", "three"} for i, v in ipairs(a) do print(i, v) end
stackoverflow.com stackoverflow.com
.
 
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