Difference between revisions of "User:AVS/Scripting"

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(→‎Low level events API)
 
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= Lua =
 
= Lua =
 +
== API Reference ==
 +
{{todo}} '''In near future Lua API may change drastically several times. Information here may be outdated'''
 +
=== Globals ===
 +
* DATA - persistent table
 +
** DATA.ERM contains ERM state, anything else is free to use.
 +
* GAME - IGameInfoCallback API
 +
* BATTLE - IBattleInfoCallback API
 +
* EVENT_BUS - opaque handle, for use with events API
 +
* SERVICES - root "raw" access to all static game objects
 +
** SERVICES:artifacts()
 +
** SERVICES:creatures()
 +
** SERVICES:factions()
 +
** SERVICES:heroClasses()
 +
** SERVICES:heroTypes()
 +
** SERVICES:spells()
 +
** SERVICES:skills()
 +
* require(URI)
 +
** works similar to usual Lua require
 +
** require("ClassName") - loads additional API and returns it as table (for C++ classes)
 +
** require("core:relative.path.to.module") - loads module from "SCRIPTS/LIB"
 +
** {{todo}} require("modName:relative.path.to.module") - loads module from dependent mod
 +
** {{todo}} require(":relative.path.to.module") - loads module from same mod
 +
* logError(text) - backup error log function
 +
=== Low level events API ===
 +
 +
<syntaxhighlight lang="Lua">
 +
 +
-- Each event type must be loaded first
 +
local PlayerGotTurn = require("events.PlayerGotTurn")
 +
 +
-- in this example subscription handles made global, do so if there is no better place
 +
-- !!! do not store them in local variables
 +
sub1 = PlayerGotTurn.subscribeAfter(EVENT_BUS, function(event)
 +
--do smth
 +
end)
 +
 +
sub2 = PlayerGotTurn.subscribeBefore(EVENT_BUS, function(event)
 +
--do smth
 +
end)
 +
 +
</syntaxhighlight>
 +
 +
=== Lua standard library ===
 +
VCMI uses LuaJIT, which is Lua 5.1 API, see [https://www.lua.org/manual/5.1/manual.html upstream documentation]
 +
 +
Following libraries are supported
 +
* base
 +
* table
 +
* string
 +
* math
 +
* bit
 +
 
= ERM =
 
= ERM =
 
== Features ==
 
== Features ==
 +
* no strict limit on function/variable numbers (technical limit 32 bit integer except 0))
 
* {{todo}} semi compare
 
* {{todo}} semi compare
 
* {{done}} macros
 
* {{done}} macros
Line 43: Line 96:
  
 
== Triggers ==
 
== Triggers ==
−
* {{todo}} '''!?AE''' при одевании и снятии артефактов
+
* {{todo}} '''!?AE''' Equip/Unequip artifact
−
* {{wip}} '''!?BA''' в начале и конце битвы 
+
* {{wip}} '''!?BA''' when any battle occurs
−
* {{wip}} '''!?BF''' при проработке поля боя (препятствия и т.п.)  
+
* {{wip}} '''!?BF'''  when a battlefield is prepared for a battle
−
* {{todo}} '''!?BG''' при любом действии стека или героя в битве 
+
* {{todo}} '''!?BG''' at every action taken by any stack or by the hero
−
* {{todo}} '''!?BR''' в начале каждого раунда битвы 
+
* {{todo}} '''!?BR''' at every turn of a battle
−
* {{todo}} '''!?CM''' при клике мышкой 
+
* ''!?CM (client only)  click the mouse button.''
−
* {{todo}} '''!?CO''' при действиях с командиром  
+
* {{todo}} '''!?CO''' Commander triggers  
−
* {{todo}} '''!?DL''' при действиях с диалогом пользователя (только TE или выше)
+
* {{todo}} '''!?DL''' Custom dialogs
−
* {{done}} '''!?FU''' Содержит код функции 
+
* {{done}} '''!?FU''' function
−
* {{todo}} '''!?GE''' при появлении определенного глобального события  
+
* {{todo}} '''!?GE''' "global" event  
−
* {{todo}} '''!?GM''' при загрузке и сохранении игры 
+
* {{todo}} '''!?GM''' Saving/Loading
−
* {{todo}} '''!?HE''' при атаке или обмене (союз.) с определенным героем  
+
* {{todo}} '''!?HE''' when the hero # is attacked by an enemy hero or visited by an allied hero  
−
* {{todo}} '''!?HL''' при получении героем уровня 
+
* {{todo}} '''!?HL''' hero gains a level
−
* {{todo}} '''!?HM''' при каждом шаге героя 
+
* {{todo}} '''!?HM''' every step a hero # takes
−
* {{todo}} '''!?IP''' поддерживает мультиплеер 
+
* ''!?IP Multiplayer support. ''
−
* {{todo}} '''!?LE''' (!$LE) при (после) посещения локального события 
+
* {{todo}} '''!?LE''' (!$LE) An Event on the map
−
* {{wip}} '''!?MF''' при каждом нанесении физ. урона в битве 
+
* {{wip}} '''!?MF''' stack taking physical damage(before an action)
−
* {{todo}} '''!?MG''' при наложении заклинаний на карте  
+
* {{todo}} '''!?MG''' casting on the adventure map  
−
* ''!?MM при появлении подсказок (в битве, окне города, т.п.)''
+
* ''!?MM scroll text during a battle ''  
−
* {{todo}} '''!?MR''' при сопротивляемости существа заклинанию в битве 
+
* {{todo}} '''!?MR''' Magic resistance
−
* {{todo}} '''!?MW''' для Бродячих монстров 
+
* {{todo}} '''!?MW''' Wandering Monsters
−
* {{wip}} '''!?OB''' (!$OB) при или после посещения объекта(ов) 
+
* {{wip}} '''!?OB''' (!$OB) visiting objects
−
* {{done}} '''!?PI''' пост-инструкция  
+
* {{done}} '''!?PI'''  Post Instruction.
−
* {{todo}} '''!?SN''' при попытке игры воспроизвести любой звук 
+
* {{todo}} '''!?SN''' Sound and ERA extensions
−
*  ''!?TH при входе и выходе в городской холл''
+
*  ''!?TH town hall''
−
* {{todo}} '''!?TL''' таймер реального времени (только ТЕ или выше)
+
* {{todo}} '''!?TL''' Real-Time Timer
−
* {{todo}} '''!?TM''' Содержит код таймера
+
* {{todo}} '''!?TM''' timed events
  
 
== Receivers ==
 
== Receivers ==
 
=== VCMI ===
 
=== VCMI ===
 +
* '''!!MC:S@varName@''' - declare new "normal" variable (technically v-var with string key)
 
* {{todo}} Identifier resolver
 
* {{todo}} Identifier resolver
 
* {{wip}} Bonus system
 
* {{wip}} Bonus system
 +
 +
=== ERA ===
 +
* {{done}} !!if !!el !!en
 +
* {{todo}} !!br !!co
 +
* {{todo}} !!SN:X
  
 
=== WoG ===
 
=== WoG ===

Latest revision as of 21:55, 11 May 2020

Configuration

{
 	//general purpose script, Lua or ERM, runs on server
 	"myScript":
	{
		"source":"path/to/script/with/ext",
		"implements":"ANYTHING"
	},


 	//custom battle spell effect, Lua only, runs on both client and server
 	//script ID will be used as effect 'type' (with mod prefix)
 	"mySpellEffect":
	{
		"source":"path/to/script/with/ext",
		"implements":"BATTLE_EFFECT"
	},

	//TODO: object|building type
 	//custom map object or building, Lua only, runs on both client and server
 	//script ID will be used as 'handler' (with mod prefix)
 	"myObjectType":
	{
		"source":"path/to/script/with/ext",
		"implements":"MAP_OBJECT"
	},
	//TODO: server query
	//TODO: client query

}

Lua

API Reference

[Todo] In near future Lua API may change drastically several times. Information here may be outdated

Globals

  • DATA - persistent table
    • DATA.ERM contains ERM state, anything else is free to use.
  • GAME - IGameInfoCallback API
  • BATTLE - IBattleInfoCallback API
  • EVENT_BUS - opaque handle, for use with events API
  • SERVICES - root "raw" access to all static game objects
    • SERVICES:artifacts()
    • SERVICES:creatures()
    • SERVICES:factions()
    • SERVICES:heroClasses()
    • SERVICES:heroTypes()
    • SERVICES:spells()
    • SERVICES:skills()
  • require(URI)
    • works similar to usual Lua require
    • require("ClassName") - loads additional API and returns it as table (for C++ classes)
    • require("core:relative.path.to.module") - loads module from "SCRIPTS/LIB"
    • [Todo] require("modName:relative.path.to.module") - loads module from dependent mod
    • [Todo] require(":relative.path.to.module") - loads module from same mod
  • logError(text) - backup error log function

Low level events API

-- Each event type must be loaded first
local PlayerGotTurn = require("events.PlayerGotTurn")

-- in this example subscription handles made global, do so if there is no better place
-- !!! do not store them in local variables
sub1 = 	PlayerGotTurn.subscribeAfter(EVENT_BUS, function(event)
		--do smth
	end)

sub2 = 	PlayerGotTurn.subscribeBefore(EVENT_BUS, function(event)
		--do smth
	end)

Lua standard library

VCMI uses LuaJIT, which is Lua 5.1 API, see upstream documentation

Following libraries are supported

  • base
  • table
  • string
  • math
  • bit

ERM

Features

  • no strict limit on function/variable numbers (technical limit 32 bit integer except 0))
  • [Todo] semi compare
  • [Done] macros

Bugs

  • [Todo] Broken XOR support (clashes with `X` option)

Triggers

  • [Todo] !?AE Equip/Unequip artifact
  • [WiP] !?BA when any battle occurs
  • [WiP] !?BF when a battlefield is prepared for a battle
  • [Todo] !?BG at every action taken by any stack or by the hero
  • [Todo] !?BR at every turn of a battle
  • !?CM (client only) click the mouse button.
  • [Todo] !?CO Commander triggers
  • [Todo] !?DL Custom dialogs
  • [Done] !?FU function
  • [Todo] !?GE "global" event
  • [Todo] !?GM Saving/Loading
  • [Todo] !?HE when the hero # is attacked by an enemy hero or visited by an allied hero
  • [Todo] !?HL hero gains a level
  • [Todo] !?HM every step a hero # takes
  • !?IP Multiplayer support.
  • [Todo] !?LE (!$LE) An Event on the map
  • [WiP] !?MF stack taking physical damage(before an action)
  • [Todo] !?MG casting on the adventure map
  • !?MM scroll text during a battle
  • [Todo] !?MR Magic resistance
  • [Todo] !?MW Wandering Monsters
  • [WiP] !?OB (!$OB) visiting objects
  • [Done] !?PI Post Instruction.
  • [Todo] !?SN Sound and ERA extensions
  • !?TH town hall
  • [Todo] !?TL Real-Time Timer
  • [Todo] !?TM timed events

Receivers

VCMI

  • !!MC:S@varName@ - declare new "normal" variable (technically v-var with string key)
  • [Todo] Identifier resolver
  • [WiP] Bonus system

ERA

  • [Done] !!if !!el !!en
  • [Todo] !!br !!co
  • [Todo] !!SN:X

WoG

  • [Todo] !!AR Артефакт (ресурс) в определенной позиции
  • [Todo] !!BA Битва
    •  !!BA:A$ return 1 for battle evaluation
  • [Todo] !!BF Препятствия на поле боя
  • [Todo] !!BG Действий монстров в бою
  • [Todo] !!BH Действия героя в бою
  • [Todo] !!BM Монстр в битве
  • [WiP] !!BU Универсальные параметры битвы
  • [Todo] !!CA Замок
  • [Todo] !!CD Разрушения замков
  • [Todo] !!CE События в замке
  • [Todo] !!CM Клика мышью
  • [Todo] !!DL Нестандартный диалог (только ТЕ или выше)
  • [Todo] !!CO Командиры
  • [WiP] !!DO Многократный вызов функции
  • [Todo] !!EA Бонусы опыта существ
  • [Todo] !!EX Опыт стека
  • [Done] !!FU Однократный вызов функции
  • [Todo] !!GE Глобальное событие
  • [WiP] !!HE Герой
  • [Todo] !!HL Новый уровень героя
  • [Todo] !!HO Взаимодействия героев
  • [Todo] !!HT Подсказки по правому клику
  • [WiP] !!IF Диалоги и флагов
  • [Todo] !!IP Сетевой сервис битвы
  • [Todo] !!LE Локальное события
  • [WiP] !!MA Общие параметры монстров
  • [Done] !!MC Макросы
  • [WiP] !!MF Получение физ. урона в бою
  • [Todo] !!MM Текст в битве
  • [WiP] !!MO Монстр в определенной позиции
  • [Todo] !!MP Контроль MP3
  • [Todo] !!MR Сопротивления магии
  • [Todo] !!MW Бродячих монстров
  • [WiP] !!OB Объект в определенной позиции
  • [Todo] !!OW Параметры игрока
  • [Todo] !!PM Пирамиды или новые объекты
  • [Todo] !!PO Информация квадрата карты
  • [Todo] (???) !!QW Журнала
  • [Todo] !!SN Проигрываемые звуков
  • [Todo] !!SS Настройка заклинаний (только ТЕ или выше)
  • [Todo] !!TL Контроль времени хода (только ТЕ или выше)
  • [Todo] !!TM Временный таймер
  • [Todo] !!TR Квадрата карты (почва, проходимость, т.п.)
  • [Todo] !!UN Универсальная команда
  • !#VC Контроль переменных
  • [WiP] !!VR Установка переменных

Persistence

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