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Lua [TFS 1.3] Changing chance type

  • Thread starter Thread starter Evil Puncker
  • Start date Start date
E

Evil Puncker

Guest
Hello everyone, I'm planing on adding the lots of missing items to TFS that works like a "surprise bag", I've found a nice code to use as base from ORTS, the problem is that the chances are kinda troublesome to deal with, so I need help from someone to change the chances in the following script to work like our tfs rust remover script...


surprise bags:
LUA: 
local config = {
    [13670] = { -- belonging of a deceased
        chances = {
            {from = 1, to = 1442, itemId = 2238},
            {from = 1443, to = 2856, itemId = 2237},
            {from = 2857, to = 4262, itemId = 2115},
            {from = 4263, to = 4819, itemId = 2148, count = 6},
            {from = 4820, to = 5325, itemId = 2787},
            {from = 5326, to = 5813, itemId = 5890},
            {from = 5814, to = 6283, itemId = 3976, count = 4},
            {from = 6284, to = 6751, itemId = 2328},
            {from = 6752, to = 7175, itemId = 5899},
            {from = 7176, to = 7576, itemId = 5894},
            {from = 7577, to = 7949, itemId = 10606},
            {from = 7950, to = 8315, itemId = 2403},
            {from = 8316, to = 8673, itemId = 8859},
            {from = 8674, to = 8972, itemId = 5902},
            {from = 8973, to = 9187},
            {from = 9188, to = 9328, itemId = 2661},
            {from = 9329, to = 9428, itemId = 2199},
            {from = 9429, to = 9515, itemId = 13926},
            {from = 9516, to = 9594, itemId = 2143},
            {from = 9595, to = 9666, itemId = 5879},
            {from = 9667, to = 9732, itemId = 2114},
            {from = 9733, to = 9791, itemId = 13925},
            {from = 9792, to = 9845, itemId = 10563},
            {from = 9846, to = 9891, itemId = 2110},
            {from = 9892, to = 9929, itemId = 5895},
            {from = 9930, to = 9967, itemId = 5880},
            {from = 9968, to = 9998, itemId = 13508},
            {from = 9999, to = 10001, itemId = 2195}
        },
        effect = CONST_ME_POFF
    },
    [15572] = { -- gooey mass
        chances = {
            {from = 1, to = 2},
            {from = 3, to = 2167, itemId = 15487, count = 10},
            {from = 2168, to = 4243, itemId = 2152, count = 2},
            {from = 4244, to = 6196, itemId = 2144, count = 2},
            {from = 6197, to = 8149, itemId = 7591, count = 2},
            {from = 8150, to = 9823, itemId = 7590, count = 2},
            {from = 9824, to = 9923, itemId = 9971},
            {from = 9924, to = 9990, itemId = 15546},
            {from = 9991, to = 10001, itemId = 15492}
        },
        effect = CONST_ME_HITBYPOISON
    },
    [18215] = { -- gnomish supply package
        chances = {
            {from = 1, to = 1440, itemId = 2787, count = 20},
            {from = 1441, to = 2434, itemId = 18397},
            {from = 2435, to = 3270, itemId = 18437, count = 15},
            {from = 3271, to = 4085, itemId = 18304, count = 15},
            {from = 4086, to = 4836, itemId = 18457},
            {from = 4837, to = 5447, itemId = 7588, count = 2},
            {from = 5448, to = 6047, itemId = 7589, count = 2},
            {from = 6048, to = 6576, itemId = 7618, count = 4},
            {from = 6577, to = 7094, itemId = 7620, count = 4},
            {from = 7095, to = 7559, itemId = 7590},
            {from = 7560, to = 7963, itemId = 7591},
            {from = 7964, to = 8317, itemId = 7443},
            {from = 8318, to = 8628, itemId = 7439},
            {from = 8629, to = 8932, itemId = 2152, count = 5},
            {from = 8933, to = 9232, itemId = 5911},
            {from = 9233, to = 9511, itemId = 7440},
            {from = 9512, to = 9636, itemId = 18455},
            {from = 9637, to = 9747, itemId = 18522},
            {from = 9748, to = 9836, itemId = 18519},
            {from = 9837, to = 9893, itemId = 2160},
            {from = 9894, to = 9929, itemId = 2156},
            {from = 9930, to = 9958, itemId = 18509},
            {from = 9959, to = 9987, itemId = 2154},
            {from = 9988, to = 9994, itemId = 2158},
            {from = 9995, to = 10001, itemId = 2155}
        },
        effect = CONST_ME_CRAPS
    }
}

function onUse(player, item, fromPosition, target, toPosition, isHotkey)
    local useId = config[item.itemid]
    if not useId then
        return false
    end

    local chance = math.random(10001)
    for i = 1, #useId.chances do
        local randomItem = useId.chances[i]
        if chance >= randomItem.from and chance <= randomItem.to then
            if randomItem.itemId then
                local itemId, count = randomItem.itemId, randomItem.count or 1
                player:addItem(itemId, count)
                if item.itemid == 13670 then
                    local itemType = ItemType(itemId)
                    player:say('You found ' .. (count > 1 and count or (itemType:getArticle() ~= '' and itemType:getArticle() or '')) .. ' ' .. (count > 1 and itemType:getPluralName() or itemType:getName()) .. ' in the bag.', TALKTYPE_MONSTER_SAY)
                end
            else
                player:say('You found nothing useful.', TALKTYPE_MONSTER_SAY)
            end

            item:getPosition():sendMagicEffect(useId.effect)
            item:remove(1)
            break
        end
    end
    return true
end

rust remover:
LUA: 
local config = {
    [9808] = { -- Rusty Armor (Common)
        [1] = {id = 2464, chance = 6994}, -- Chain Armor
        [2] = {id = 2483, chance = 3952}, -- Scale Armor
        [3] = {id = 2465, chance = 1502}, -- Brass Armor
        [4] = {id = 2463, chance = 197} -- Plate Armor
    },
    [9809] = { -- Rusty Armor (Semi-rare)
        [1] = {id = 2483, chance = 6437}, -- Scale Armor
        [2] = {id = 2464, chance = 4606}, -- Chain Armor
        [3] = {id = 2465, chance = 3029}, -- Brass Armor
        [4] = {id = 2463, chance = 1559}, -- Plate Armor
        [5] = {id = 2476, chance = 595}, -- Knight Armor
        [6] = {id = 8891, chance = 283}, -- Paladin Armor
        [7] = {id = 2487, chance = 49} -- Crown Armor
    },
    [9810] = { -- Rusty Armor (Rare)
        [1] = {id = 2465, chance = 6681}, -- Brass Armor
        [2] = {id = 2463, chance = 3767}, -- Plate Armor
        [3] = {id = 2476, chance = 1832}, -- Knight Armor
        [4] = {id = 2487, chance = 177}, -- Crown Armor
        [5] = {id = 8891, chance = 31}, -- Paladin Armor
        [6] = {id = 2466, chance = 10} -- Golden Armor
    },
    [9811] = { -- Rusty Legs (Common)
        [1] = {id = 2648, chance = 6949}, -- Chain Legs
        [2] = {id = 2468, chance = 3692}, -- Studded Legs
        [3] = {id = 2478, chance = 1307}, -- Brass Legs
        [4] = {id = 2647, chance = 133} -- Plate Legs
    },
    [9812] = { -- Rusty Legs (Semi-Rare)
        [1] = {id = 2468, chance = 5962}, -- Studded Legs
        [2] = {id = 2648, chance = 4037}, -- Chain Legs
        [3] = {id = 2478, chance = 2174}, -- Brass Legs
        [4] = {id = 2647, chance = 1242}, -- Plate Legs
        [5] = {id = 2477, chance = 186}, -- Knight Legs
    },
    [9813] = { -- Rusty Legs (Rare)
        [1] = {id = 2478, chance = 6500}, -- Brass Legs
        [2] = {id = 2647, chance = 3800}, -- Plate Legs
        [3] = {id = 2477, chance = 200}, -- Knight Legs
        [4] = {id = 2488, chance = 52}, -- Crown Legs
        [5] = {id = 2470, chance = 30} -- Golden Legs
    },
    [9814] = { -- Heavily Rusted Shield
    },
    [9815] = { -- Rusted Shield
    },
    [9816] = { -- Slightly Rusted Shield
        [1] = {id = 2510, chance = 3137}, -- Plate Shield
        [2] = {id = 2532, chance = 2887}, -- Ancient Shield
        [3] = {id = 7460, chance = 929}, -- Norse Shield
        [4] = {id = 2519, chance = 23}, -- Crown Shield
        [5] = {id = 2534, chance = 10} -- Vampire Shield
    },
    [9820] = { -- Heavily Rusted Helmet
    },
    [9821] = { -- Rusted Helmet
        [1] = {id = 2460, chance = 2200}, -- Brass Helmet
        [2] = {id = 2482, chance = 1870}, -- Studded Helmet
        [3] = {id = 2459, chance = 1490}, -- Iron Helmet
        [4] = {id = 2457, chance = 1010}, -- Steel Helmet
        [5] = {id = 2491, chance = 190}, -- Crown Helmet
        [6] = {id = 2497, chance = 10} -- Crusader Helmet
    },
    [9822] = { -- Slightly Rusted Helmet
        [1] = {id = 2459, chance = 3156}, -- Iron Helmet
        [2] = {id = 2457, chance = 2976}, -- Steel Helmet
        [3] = {id = 2491, chance = 963}, -- Crown Helmet
        [4] = {id = 2497, chance = 210}, -- Crusader Helmet
        [5] = {id = 2498, chance = 7} -- Royal Helmet
    },
    [9817] = { -- Heavily Rusted Boots
    },
    [9818] = { -- Rusted Boots
    },
    [9819] = { -- Slightly Rusted Boots
    },
}

local rustRemover = Action()

function rustRemover.onUse(player, item, fromPosition, target, toPosition, isHotkey)
    local targetItem = config[target.itemid]
    if not targetItem then
        return true
    end

    local randomChance = math.random(10000)
    local index = false

    if targetItem[1].chance >= randomChance then -- implying first item in the table index always has the highest chance.
        while not index do
            randomIndex = math.random(#targetItem)
            if targetItem[randomIndex].chance >= randomChance then
                index = randomIndex
            end
        end
    end

    if not index then
        if table.contains({9808, 9809, 9810}, target.itemid) then
            msg = "The armor was already damaged so badly that it broke when you tried to clean it."
        end
        if table.contains({9811, 9812, 9813}, target.itemid) then
            msg = "The legs were already damaged so badly that they broke when you tried to clean them."
        end
        if table.contains({9814, 9815, 9816}, target.itemid) then
            msg = "The shield was already damaged so badly that it broke when you tried to clean it."
        end
        if table.contains({9817, 9818, 9819}, target.itemid) then
            msg = "The boots were already damaged so badly that they broke when you tried to clean them."
        end
        if table.contains({9820, 9821, 9822}, target.itemid) then
            msg = "The helmet was already damaged so badly that it broke when you tried to clean it."
        end
        player:say(msg, TALKTYPE_MONSTER_SAY)
        target:getPosition():sendMagicEffect(CONST_ME_BLOCKHIT)
        target:remove()
    else
        target:transform(targetItem[index].id)
        target:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
    end
    return item:remove(1)
end

rustRemover:id(9930)
rustRemover:register()
 
Last edited by a moderator:
Solution
M
Evil Puncker said:
Hello everyone, I'm planing on adding the lots of missing items to TFS that works like a "surprise bag", I've found a nice code to use as base from ORTS, the problem is that the chances are kinda troublesome to deal with, so I need help from someone to change the chances in the following script to work like our tfs rust remover script...


surprise bags:
LUA: 
local config = {
    [13670] = { -- belonging of a deceased
        chances = {
            {from = 1, to = 1442, itemId = 2238},
            {from = 1443, to = 2856, itemId = 2237},
            {from = 2857, to = 4262, itemId = 2115},
            {from = 4263, to = 4819, itemId = 2148, count = 6},
            {from = 4820, to = 5325, itemId = 2787},
            {from = 5326, to =...
Click to expand...
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See?
this:
{id = 2464, chance = 6994},

is way simpler than:
{from = 8674, to = 8972, itemId = 5902},

any help is appreciated 😢
 
Upvote 0 Downvote
Evil Puncker said:
Hello everyone, I'm planing on adding the lots of missing items to TFS that works like a "surprise bag", I've found a nice code to use as base from ORTS, the problem is that the chances are kinda troublesome to deal with, so I need help from someone to change the chances in the following script to work like our tfs rust remover script...


surprise bags:
LUA: 
local config = {
    [13670] = { -- belonging of a deceased
        chances = {
            {from = 1, to = 1442, itemId = 2238},
            {from = 1443, to = 2856, itemId = 2237},
            {from = 2857, to = 4262, itemId = 2115},
            {from = 4263, to = 4819, itemId = 2148, count = 6},
            {from = 4820, to = 5325, itemId = 2787},
            {from = 5326, to = 5813, itemId = 5890},
            {from = 5814, to = 6283, itemId = 3976, count = 4},
            {from = 6284, to = 6751, itemId = 2328},
            {from = 6752, to = 7175, itemId = 5899},
            {from = 7176, to = 7576, itemId = 5894},
            {from = 7577, to = 7949, itemId = 10606},
            {from = 7950, to = 8315, itemId = 2403},
            {from = 8316, to = 8673, itemId = 8859},
            {from = 8674, to = 8972, itemId = 5902},
            {from = 8973, to = 9187},
            {from = 9188, to = 9328, itemId = 2661},
            {from = 9329, to = 9428, itemId = 2199},
            {from = 9429, to = 9515, itemId = 13926},
            {from = 9516, to = 9594, itemId = 2143},
            {from = 9595, to = 9666, itemId = 5879},
            {from = 9667, to = 9732, itemId = 2114},
            {from = 9733, to = 9791, itemId = 13925},
            {from = 9792, to = 9845, itemId = 10563},
            {from = 9846, to = 9891, itemId = 2110},
            {from = 9892, to = 9929, itemId = 5895},
            {from = 9930, to = 9967, itemId = 5880},
            {from = 9968, to = 9998, itemId = 13508},
            {from = 9999, to = 10001, itemId = 2195}
        },
        effect = CONST_ME_POFF
    },
    [15572] = { -- gooey mass
        chances = {
            {from = 1, to = 2},
            {from = 3, to = 2167, itemId = 15487, count = 10},
            {from = 2168, to = 4243, itemId = 2152, count = 2},
            {from = 4244, to = 6196, itemId = 2144, count = 2},
            {from = 6197, to = 8149, itemId = 7591, count = 2},
            {from = 8150, to = 9823, itemId = 7590, count = 2},
            {from = 9824, to = 9923, itemId = 9971},
            {from = 9924, to = 9990, itemId = 15546},
            {from = 9991, to = 10001, itemId = 15492}
        },
        effect = CONST_ME_HITBYPOISON
    },
    [18215] = { -- gnomish supply package
        chances = {
            {from = 1, to = 1440, itemId = 2787, count = 20},
            {from = 1441, to = 2434, itemId = 18397},
            {from = 2435, to = 3270, itemId = 18437, count = 15},
            {from = 3271, to = 4085, itemId = 18304, count = 15},
            {from = 4086, to = 4836, itemId = 18457},
            {from = 4837, to = 5447, itemId = 7588, count = 2},
            {from = 5448, to = 6047, itemId = 7589, count = 2},
            {from = 6048, to = 6576, itemId = 7618, count = 4},
            {from = 6577, to = 7094, itemId = 7620, count = 4},
            {from = 7095, to = 7559, itemId = 7590},
            {from = 7560, to = 7963, itemId = 7591},
            {from = 7964, to = 8317, itemId = 7443},
            {from = 8318, to = 8628, itemId = 7439},
            {from = 8629, to = 8932, itemId = 2152, count = 5},
            {from = 8933, to = 9232, itemId = 5911},
            {from = 9233, to = 9511, itemId = 7440},
            {from = 9512, to = 9636, itemId = 18455},
            {from = 9637, to = 9747, itemId = 18522},
            {from = 9748, to = 9836, itemId = 18519},
            {from = 9837, to = 9893, itemId = 2160},
            {from = 9894, to = 9929, itemId = 2156},
            {from = 9930, to = 9958, itemId = 18509},
            {from = 9959, to = 9987, itemId = 2154},
            {from = 9988, to = 9994, itemId = 2158},
            {from = 9995, to = 10001, itemId = 2155}
        },
        effect = CONST_ME_CRAPS
    }
}

function onUse(player, item, fromPosition, target, toPosition, isHotkey)
    local useId = config[item.itemid]
    if not useId then
        return false
    end

    local chance = math.random(10001)
    for i = 1, #useId.chances do
        local randomItem = useId.chances[i]
        if chance >= randomItem.from and chance <= randomItem.to then
            if randomItem.itemId then
                local itemId, count = randomItem.itemId, randomItem.count or 1
                player:addItem(itemId, count)
                if item.itemid == 13670 then
                    local itemType = ItemType(itemId)
                    player:say('You found ' .. (count > 1 and count or (itemType:getArticle() ~= '' and itemType:getArticle() or '')) .. ' ' .. (count > 1 and itemType:getPluralName() or itemType:getName()) .. ' in the bag.', TALKTYPE_MONSTER_SAY)
                end
            else
                player:say('You found nothing useful.', TALKTYPE_MONSTER_SAY)
            end

            item:getPosition():sendMagicEffect(useId.effect)
            item:remove(1)
            break
        end
    end
    return true
end

rust remover:
LUA: 
local config = {
    [9808] = { -- Rusty Armor (Common)
        [1] = {id = 2464, chance = 6994}, -- Chain Armor
        [2] = {id = 2483, chance = 3952}, -- Scale Armor
        [3] = {id = 2465, chance = 1502}, -- Brass Armor
        [4] = {id = 2463, chance = 197} -- Plate Armor
    },
    [9809] = { -- Rusty Armor (Semi-rare)
        [1] = {id = 2483, chance = 6437}, -- Scale Armor
        [2] = {id = 2464, chance = 4606}, -- Chain Armor
        [3] = {id = 2465, chance = 3029}, -- Brass Armor
        [4] = {id = 2463, chance = 1559}, -- Plate Armor
        [5] = {id = 2476, chance = 595}, -- Knight Armor
        [6] = {id = 8891, chance = 283}, -- Paladin Armor
        [7] = {id = 2487, chance = 49} -- Crown Armor
    },
    [9810] = { -- Rusty Armor (Rare)
        [1] = {id = 2465, chance = 6681}, -- Brass Armor
        [2] = {id = 2463, chance = 3767}, -- Plate Armor
        [3] = {id = 2476, chance = 1832}, -- Knight Armor
        [4] = {id = 2487, chance = 177}, -- Crown Armor
        [5] = {id = 8891, chance = 31}, -- Paladin Armor
        [6] = {id = 2466, chance = 10} -- Golden Armor
    },
    [9811] = { -- Rusty Legs (Common)
        [1] = {id = 2648, chance = 6949}, -- Chain Legs
        [2] = {id = 2468, chance = 3692}, -- Studded Legs
        [3] = {id = 2478, chance = 1307}, -- Brass Legs
        [4] = {id = 2647, chance = 133} -- Plate Legs
    },
    [9812] = { -- Rusty Legs (Semi-Rare)
        [1] = {id = 2468, chance = 5962}, -- Studded Legs
        [2] = {id = 2648, chance = 4037}, -- Chain Legs
        [3] = {id = 2478, chance = 2174}, -- Brass Legs
        [4] = {id = 2647, chance = 1242}, -- Plate Legs
        [5] = {id = 2477, chance = 186}, -- Knight Legs
    },
    [9813] = { -- Rusty Legs (Rare)
        [1] = {id = 2478, chance = 6500}, -- Brass Legs
        [2] = {id = 2647, chance = 3800}, -- Plate Legs
        [3] = {id = 2477, chance = 200}, -- Knight Legs
        [4] = {id = 2488, chance = 52}, -- Crown Legs
        [5] = {id = 2470, chance = 30} -- Golden Legs
    },
    [9814] = { -- Heavily Rusted Shield
    },
    [9815] = { -- Rusted Shield
    },
    [9816] = { -- Slightly Rusted Shield
        [1] = {id = 2510, chance = 3137}, -- Plate Shield
        [2] = {id = 2532, chance = 2887}, -- Ancient Shield
        [3] = {id = 7460, chance = 929}, -- Norse Shield
        [4] = {id = 2519, chance = 23}, -- Crown Shield
        [5] = {id = 2534, chance = 10} -- Vampire Shield
    },
    [9820] = { -- Heavily Rusted Helmet
    },
    [9821] = { -- Rusted Helmet
        [1] = {id = 2460, chance = 2200}, -- Brass Helmet
        [2] = {id = 2482, chance = 1870}, -- Studded Helmet
        [3] = {id = 2459, chance = 1490}, -- Iron Helmet
        [4] = {id = 2457, chance = 1010}, -- Steel Helmet
        [5] = {id = 2491, chance = 190}, -- Crown Helmet
        [6] = {id = 2497, chance = 10} -- Crusader Helmet
    },
    [9822] = { -- Slightly Rusted Helmet
        [1] = {id = 2459, chance = 3156}, -- Iron Helmet
        [2] = {id = 2457, chance = 2976}, -- Steel Helmet
        [3] = {id = 2491, chance = 963}, -- Crown Helmet
        [4] = {id = 2497, chance = 210}, -- Crusader Helmet
        [5] = {id = 2498, chance = 7} -- Royal Helmet
    },
    [9817] = { -- Heavily Rusted Boots
    },
    [9818] = { -- Rusted Boots
    },
    [9819] = { -- Slightly Rusted Boots
    },
}

local rustRemover = Action()

function rustRemover.onUse(player, item, fromPosition, target, toPosition, isHotkey)
    local targetItem = config[target.itemid]
    if not targetItem then
        return true
    end

    local randomChance = math.random(10000)
    local index = false

    if targetItem[1].chance >= randomChance then -- implying first item in the table index always has the highest chance.
        while not index do
            randomIndex = math.random(#targetItem)
            if targetItem[randomIndex].chance >= randomChance then
                index = randomIndex
            end
        end
    end

    if not index then
        if table.contains({9808, 9809, 9810}, target.itemid) then
            msg = "The armor was already damaged so badly that it broke when you tried to clean it."
        end
        if table.contains({9811, 9812, 9813}, target.itemid) then
            msg = "The legs were already damaged so badly that they broke when you tried to clean them."
        end
        if table.contains({9814, 9815, 9816}, target.itemid) then
            msg = "The shield was already damaged so badly that it broke when you tried to clean it."
        end
        if table.contains({9817, 9818, 9819}, target.itemid) then
            msg = "The boots were already damaged so badly that they broke when you tried to clean them."
        end
        if table.contains({9820, 9821, 9822}, target.itemid) then
            msg = "The helmet was already damaged so badly that it broke when you tried to clean it."
        end
        player:say(msg, TALKTYPE_MONSTER_SAY)
        target:getPosition():sendMagicEffect(CONST_ME_BLOCKHIT)
        target:remove()
    else
        target:transform(targetItem[index].id)
        target:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
    end
    return item:remove(1)
end

rustRemover:id(9930)
rustRemover:register()
Click to expand...

This?

LUA: 
-- Order rewards from highest chance [TOP] to lowest chance [BOTTOM]
-- Total chance in rewards table must match math.random value, i.e. 85 + 10 + 5 = math.random(100)
local rewards = {
    [13670] = {
    Effect = CONST_ME_POFF,
    Items = {
        {ItemID = 2148, Chance = 5000, Amount = 100}, -- 50%
        {ItemID = 2152, Chance = 4000, Amount = 15}, -- 40%
        {ItemID = 2160, Chance = 1000, Amount = 1} -- 10%
    }},
    [13671] = {
    Effect = CONST_ME_HITBYPOISON,
    Items = {
        {ItemID = 600, Chance = 5000, Amount = 100},
        {ItemID = 700, Chance = 4000, Amount = 15},
        {ItemID = 800, Chance = 1000, Amount = 1}
    }}
}

function onUse(player, item, fromPosition, target, toPosition, isHotkey)   
    local chance = math.random(10000) -- 1 to 10000

    local itemId = item:getId()
    for _, v in pairs(rewards[itemId].Items) do
        if chance <= v.Chance then
            if item then
                player:addItem(v.ItemID, v.Amount)
                item:getPosition():sendMagicEffect(rewards[itemId].Effect)
                item:remove()
                return true
            end
        else
            chance = chance - v.Chance
        end
    end
end
 
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Solution
mackerel said:
This?

LUA: 
-- Order rewards from highest chance [TOP] to lowest chance [BOTTOM]
-- Total chance in rewards table must match math.random value, i.e. 85 + 10 + 5 = math.random(100)
local rewards = {
    [13670] = {
    Effect = CONST_ME_POFF,
    Items = {
        {ItemID = 2148, Chance = 5000, Amount = 100}, -- 50%
        {ItemID = 2152, Chance = 4000, Amount = 15}, -- 40%
        {ItemID = 2160, Chance = 1000, Amount = 1} -- 10%
    }},
    [13671] = {
    Effect = CONST_ME_HITBYPOISON,
    Items = {
        {ItemID = 600, Chance = 5000, Amount = 100},
        {ItemID = 700, Chance = 4000, Amount = 15},
        {ItemID = 800, Chance = 1000, Amount = 1}
    }}
}

function onUse(player, item, fromPosition, target, toPosition, isHotkey)  
    local chance = math.random(10000) -- 1 to 10000

    local itemId = item:getId()
    for _, v in pairs(rewards[itemId].Items) do
        if chance <= v.Chance then
            if item then
                player:addItem(v.ItemID, v.Amount)
                item:getPosition():sendMagicEffect(rewards[itemId].Effect)
                item:remove()
                return true
            end
        else
            chance = chance - v.Chance
        end
    end
end
Click to expand...
exactly what I needed! one last thing tho, is it possible to make a print for debugging purposes to print the total sum of chance from each item? so I don't need to check them with the calculator manually when adding them?
 
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Evil Puncker said:
exactly what I needed! one last thing tho, is it possible to make a print for debugging purposes to print the total sum of chance from each item? so I don't need to check them with the calculator manually when adding them?
Click to expand...

you can easily use nested loop like this

LUA: 
-- Order rewards from highest chance [TOP] to lowest chance [BOTTOM]
-- Total chance in rewards table must match math.random value, i.e. 85 + 10 + 5 = math.random(100)
local rewards = {
    [13670] = {
    Effect = CONST_ME_POFF,
    Items = {
        {ItemID = 2148, Chance = 5000, Amount = 100}, -- 50%
        {ItemID = 2152, Chance = 4000, Amount = 15}, -- 40%
        {ItemID = 2160, Chance = 1000, Amount = 1} -- 10%
    }},
    [13671] = {
    Effect = CONST_ME_HITBYPOISON,
    Items = {
        {ItemID = 600, Chance = 5000, Amount = 100},
        {ItemID = 700, Chance = 4000, Amount = 15},
        {ItemID = 800, Chance = 1000, Amount = 1}
    }}
}

-- Do not use in production
local function printDebugMsg()
    for i, j in pairs(rewards) do
        local totalSum = 0
        for k = 1, #j.Items do
            totalSum = totalSum + j.Items[k].Chance
        end
        print("Total sum for item " .. i .. " is " .. totalSum)
    end
end

function onUse(player, item, fromPosition, target, toPosition, isHotkey)
    printDebugMsg()
    
    local chance = math.random(10000) -- 1 to 10000

    local itemId = item:getId()
    for _, v in pairs(rewards[itemId].Items) do
        if chance <= v.Chance then
            if item then
                player:addItem(v.ItemID, v.Amount)
                item:getPosition():sendMagicEffect(rewards[itemId].Effect)
                item:remove()
                return true
            end
        else
            chance = chance - v.Chance
        end
    end
end
 
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