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Lua Remove percentage of player's health

darkmu

darkmu

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I'm building a small mechanic for King Zelos and I was unsure how to build a spell that removes 60% of the player if it hits him (wave), does anyone have a simple example of how I can do this? I never touched those magic parts.
 
Solution
aqubjukr
Sorry, now will be right.

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local tile = Tile(Position(param.pos))
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end...
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You'll need to create a spell using a param:
Code: 
setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

And you'll need to create the function onTargetTile, and put this:
Lua: 
local damage = (creature:getMaxHealth())/60
To set your damage
 
Upvote 0 Downvote
darkmu said:
I'm building a small mechanic for King Zelos and I was unsure how to build a spell that removes 60% of the player if it hits him (wave), does anyone have a simple example of how I can do this? I never touched those magic parts.
Click to expand...
how did the mechanics of this boss?
 
Upvote 0 Downvote
darkmu said:
I'm building a small mechanic for King Zelos and I was unsure how to build a spell that removes 60% of the player if it hits him (wave), does anyone have a simple example of how I can do this? I never touched those magic parts.
Click to expand...

I'm testing what i've said to create it too for my server. So I ended up seeing what was wrong, the correct damage calculation would be:

Lua: 
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100

tile:getTopCreature() is my "creature", you can change this, according your spell.
 
Upvote 0 Downvote
aqubjukr said:
I'm testing what i've said to create it too for my server. So I ended up seeing what was wrong, the correct damage calculation would be:

Lua: 
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100

tile:getTopCreature() is my "creature", you can change this, according your spell.
Click to expand...
how did the mechanics of this boss?
 
Upvote 0 Downvote
jel said:
how did the mechanics of this boss?
Click to expand...

You'll need to create a spell using a param:
Code: 
setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

And you'll need to create the function onTargetTile, and put this:
Lua: 
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
To set your damage
:rolleyes:
 
Last edited:
Upvote 0 Downvote
aqubjukr said:
You'll need to create a spell using a param:
Code: 
setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

And you'll need to create the function onTargetTile, and put this:
Lua: 
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
To set your damage
:rolleyes:
Click to expand...
tried here but it doesn't work, what's wrong?

local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
local tile = Tile(Position(param.pos))
if tile then
if tile:getTopCreature() and tile:getTopCreature():isMonster() then
if tile:getTopCreature():getName():lower() == "White Pale" then
tile:getTopCreature():damage()
end
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
 
Upvote 0 Downvote
jel said:
tried here but it doesn't work, what's wrong?
Click to expand...
isMonster( ) ? You need to set isPlayer() in script.

Other change, you need to set a damage, like:
Lua: 
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)

EDIT: Other change that i saw, script is limiting to one monster.
Lua: 
if tile:getTopCreature():getName():lower() == "White Pale" then


Full script:
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
local tile = Tile(Position(param.pos))
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
 
Last edited:
Upvote 0 Downvote
aqubjukr said:
isMonster( ) ? You need to set isPlayer() in script.

Other change, you need to set a damage, like:
Lua: 
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)

EDIT: Other change that i saw, script is limiting to one monster.
Lua: 
if tile:getTopCreature():getName():lower() == "White Pale" then


Full script:
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
local tile = Tile(Position(param.pos))
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
Click to expand...
Lua: 
Lua Script Error: [Spell Interface]
in callback: data/spells/scripts/monster/zeros.lua:onTargetTile
(Unknown scriptfile)
data/spells/scripts/monster/zeros.lua:14: attempt to index global 'tile' (a nil value)
stack traceback:
        [C]: in function '__index'
        data/spells/scripts/monster/zeros.lua:14: in function 'spellCallback'
        data/spells/scripts/monster/zeros.lua:28: in function <data/spells/scripts/monster/zeros.lua:23>
        [C]: at 0x004dab50
 
Upvote 0 Downvote
Only invert the line 14 and 15.

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local tile = Tile(Position(param.pos))
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
 
Upvote 0 Downvote
aqubjukr said:
Only invert the line 14 and 15.

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local tile = Tile(Position(param.pos))
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
Click to expand...
Lua: 
Lua Script Error: [Spell Interface]
in callback: data/spells/scripts/monster/zeros.lua:onTargetTile
(Unknown scriptfile)
data/spells/scripts/monster/zeros.lua:15: attempt to index a nil value
stack traceback:
        [C]: in function '__index'
        data/spells/scripts/monster/zeros.lua:15: in function 'spellCallback'
        data/spells/scripts/monster/zeros.lua:28: in function <data/spells/scripts/monster/zeros.lua:23>
        [C]: at 0x004dab50
 
Upvote 0 Downvote
aqubjukr said:
Only invert the line 14 and 15.

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local tile = Tile(Position(param.pos))
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
Click to expand...

Just one question, is there a possibility to transform these spells as if they were normal attacks? You lose 3 hitpoints due to an attack by a King Zelos. For when he unleashes the magic and hits the player he simply appears: You lose 1791 hitpoints, in which case there would be a possibility to put You lose 1791 hitpoints by a King Zelos.
 
Upvote 0 Downvote
Sorry, now will be right.

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{0, 1, 1, 1, 0},
{1, 1, 1, 1, 1},
{1, 1, 3, 1, 1},
{1, 1, 1, 1, 1},
{0, 1, 1, 1, 0},
}))

function spellCallback(param)
local tile = Tile(Position(param.pos))
if tile then
if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
end
end
end

function onTargetTile(cid, pos)
local param = {}
param.cid = cid
param.pos = pos
param.count = 0
spellCallback(param)
end

setCombatCallback(combat, CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
return combat:execute(creature, var)
end
Post automatically merged:

darkmu said:
Just one question, is there a possibility to transform these spells as if they were normal attacks? You lose 3 hitpoints due to an attack by a King Zelos. For when he unleashes the magic and hits the player he simply appears: You lose 1791 hitpoints, in which case there would be a possibility to put You lose 1791 hitpoints by a King Zelos.
Click to expand...
Sorry, but doing this I don't know, I'm still studying about this type of script.

The biggest problem with this type of script is the damage is variable.

I'm going to owe that. :/
 
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Solution
I'll leave mine here as well, but it will mark yours as the best answer. Thank you.

XML: 
<instant name="XXXXX" words="XXXXXX" direction="1" selftarget="1" exhaustion="2000" needlearn="1"  script="x.lua"" />

Lua: 
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_HITBYFIRE)

combat:setArea(createCombatArea({
{1},
{1},
{1},
{1},
{3},
}))

function onTargetTile(cid, pos)   
    local tile = Tile(Position(pos))   
    
    if tile:getTopCreature() and tile:getTopCreature():isPlayer() then
        local damage = ((tile:getTopCreature():getMaxHealth())*60)/100
        doTargetCombatHealth(0, tile:getTopCreature(), COMBAT_DROWNDAMAGE, -damage, -damage, CONST_ME_NONE)
    end
end
combat:setCallback(CALLBACK_PARAM_TARGETTILE, "onTargetTile")

function onCastSpell(creature, var)
    return combat:execute(creature, var)
end
 
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