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Writing TD Scripts

1. Requirements


For this guide, it is necessary to install the following addons: Rematch, tdBattlePetScript, tdBattlePetScript Rematch. It is assumed that installation and setup are already done, and teams are set or easy to set by you.

2. How it works


Basically the addon selects the required ability following instructions written in the script. E.g.:

use(Esquive:312)
use(Protection de la Nature:574) [!self.aura(Protection de la Nature:820).exists]
use(Frappe alpha:504)

This set of lines result in the following actions:
round 1: it casts Esquive
round 2: it tries to cast Esquive, but since it is on CD, it goes to the next line and casts Protection de la Nature
round 3: it tries to cast Esquive, but since it is on CD, it tries the next line. Since aura Protection de la Nature is active, it goes to the next line and casts Frappe alpha, and so on.

To summarize: each line is read sequentially until it finds a command that can be executed. The challenge here is writing scripts able to cast the spells according to the desired strategy.

3. Script creation


3.1 The editor



The easiest way to write a script is when you are doing a pet battle with a team previously saved on Rematch.
After starting the fight, open Rematch, right click over the corresponding team and select 'Write script'.
It will open a new window, the 'Script editor'. During the battle, and while the script editor is active it is possible to write a script using the auto-complete feature.










With the script editor opened and during a fight, start typing the desired action and it will soon show an dropdown list.







After selecting an action (type Enter or click over the action) a new list with the abilities available to the active pet will be shown.






Again, select the desired ability and if needed add the conditions when this action will be executed. Start by typing a bracket '[' followed by the first letter of the condition. Options are a target (self, enemy) or weather.





Anyway, a new list will be shown, it there is any.









In case there are additional required parameters, as with auras, a new list will be shown. As before, select the appropriate option.

Once you are familiar with the commands, you might just type the command followed by a dot to activate the dropdownlist with the available options. Remember to close the condition with a bracket: ']'.


Writing and editing a script is not difficult itself since the addon makes it very easy with the dropdown lists. Good luck!


3.2 Actions


ability/use: casts an ability
change: changes active pets
catch: catches a pet, if possible
standby: pass a round
quit: quits the fight

3.3 Conditions


Conditions are written between brackets ([condition]):
if & endif

3.4 Target


self: checks a condition on your own pets
enemy: checks for a condition on your enemy's pet

3.5 Functions


dead (boolean)
exists (boolean)
hp (compare)
hp.can_explode (boolean)
hp.full (boolean)
hp.high (boolean)
hp.low (boolean)
hpp (compare)
aura.exists (boolean)
aura.duration (compare)
weather (boolean)
weather.duration (compare)
active (boolean)
ability.usable (boolean)
ability.duration (compare)
ability.strong (boolean)
ability.weak (boolean)
ability.type (equality)
round (boolean)
played (boolean)
speed (compare)
speed.fast (boolean)
speed.slow (boolean)
level (compare)
level.max (boolean)
power (compare)
type (equality)
quality (compare)
id (equality)
is (boolean)

4. Pratical examples


Although the script helps a lot with its auto-complete feature, it won't be enough to write good scripts. It is a good idea to choose a fight and play with the script editor until you feel more confident with the commands and becomes able to write more complex scripts. Below there will be some examples taken from pet battlers using specific strategies. It is assumed that the team is loaded, the abilities are the ones mentioned on the strategy guide, and that the recommended pet is being used, not an equivalent.

4.1 Wailing Critters


The Wailing Critters dungeon offers a nice opportunity to start improving your skills. Until you win the last fight the dungeon is repeatable and you might leave the dungeon, heal, and restart. There is also some random pets in the back row, but only a few families and abilities. The first 3 fights require only one pet with a fixed set of abilities, turning it into a nice place to practice your skills. The script might work for most of the fight where the same pet+abilities are being used, making it a very useful script. The link for the strategy is here.
The strategy:
Prio 1: Keep Emerald Presence active
Prio 2: Use Emerald Dream when you drop below ~1000 health
Prio 3: Emerald Bite

use(Présence d’émeraude:597)
use(Rêve d’émeraude:598)
use(Morsure d’émeraude:525)

As it is written, the script will cast Présence d’émeraude every time it is available. This ability does not have a CD, so we have to add a condition that prevents it from casting if the aura is already present.
The only conditions available are the 'aura(Présence d’émeraude).exists' or 'aura(Présence d’émeraude).duration'. The condition that seems to fit the strategy better is the first one.
After writing it, we would have use(Présence d’émeraude:597) [self(#1Proto-dragonnet émeraude).aura(Présence d’émeraude).exists], which could be read as "cast Présence d’émeraude if my Proto-dragonnet émeraude has Présence d’émeraude active".
We want the opposite of that, so deny the condition by using a '!' before the target: use(Présence d’émeraude:597) [!self(#1Proto-dragonnet émeraude).aura(Présence d’émeraude).exists], translating into "cast Présence d’émeraude if my Proto-dragonnet émeraude does NOT have Présence d’émeraude active". Yay!

use(Présence d’émeraude:597) [!self(Proto-dragonnet émeraude).aura(Présence d’émeraude).exists]

Next step: as of now, the script will cast Rêve d’émeraude on CD, which might not be required, specially at the beginning of the fight. Let's add the condition that will cast the ability once your whelp is low on health.

use(Rêve d’émeraude:598) [self(Proto-dragonnet émeraude).hp<1000]

You might choose to heal your whelp if it is below an amount expressed in percents, and not a fixed amount:

use(Rêve d’émeraude:598) [self(Proto-dragonnet émeraude).hpp<50]

This last condition will cast Rêve d’émeraude if your Whelp is below 50% health.
The final script:

use(Présence d’émeraude:597) [!self(Proto-dragonnet émeraude).aura(Présence d’émeraude).exists]
use(Rêve d’émeraude:598) [self(Proto-dragonnet émeraude).hp<1000]
use(Morsure d’émeraude:525)

If your proto-whelp dies you may change it to another equivalent pet with the same abilities, and the script will keep working. To change pets add the following line: change(#2) [self(#1).dead] (change to pet number 2 if my pet number 1 is dead)

Now, some remarks about the way the script is written.
  • Do not use a slot number for abilities. It might cause problems if you use an alternative pet whose abilites are on different slot positions, like the Zandalari pets where the abilites Partie de chasse and Griffe noire sometimes are on a different tier.
  • Use either the ability's code number or both name and code. Some players might use a localized version of the game, and for them the script will not work if you use only the name of the abilities
  • You might leave only the abilities code number, which will result in a shorter script, but it is not necessary

A suggestion for all scripts (change to the appropriate team slot):

change(#2) [self(#1).dead]
use(Présence d’émeraude:597) [!self.aura(Présence d’émeraude:823).exists]
use(Rêve d’émeraude:598) [self.hp<1000]
use(Morsure d’émeraude:525)


4.2 Small fragments


Scripts are written for a specific strategy, but there are many common actions that can be use in many scripts. Adjust them to your needs, checking for the right conditions, and apply them when suitable.
  • Pass on first round:

standby [round=1]
  • Change pet to leveling and back (change slot numbers where appropriate):


change(#2) [self(#1).dead & !self(#2).played]
change(#3) [self(#2).active]
  • Use a dodge ability to block an enemy's ability (in this case, Enfouir)


use(Déviation:490) [enemy.aura(Souterrain:340).exists]
  • Change the use of abilities depending on active enemy pet

If the enemy's pets are the first or second, you pet will cast Souffle. Once the third pet enters the fight, your pet will cast Bombardement on CD and Leurre if your enemy uses Enfouir

if [enemy(#3).active]
use(Leurre) [enemy.aura(Souterrain:340).exists]
use(Bombardement)
endif
use(Souffle)


5. Resources










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Falchor#2647

rédigé le 26.09.2018

A quand le guide en français ?