noita-mapcap/files/libraries/noita-api/entity.lua
2022-07-23 10:57:25 +02:00

378 lines
11 KiB
Lua

-- Copyright (c) 2022 David Vogel
--
-- This software is released under the MIT License.
-- https://opensource.org/licenses/MIT
-- Noita modding API, but a bit more beautiful.
-- Current modding API version: 7
-- State: Working but incomplete. If something is missing, add it by hand!
-- It would be optimal to generate this API wrapper automatically...
---@type NoitaComponentAPI
local ComponentAPI = dofile_once("mods/noita-mapcap/files/libraries/noita-api/component.lua")
---@type Vec2
local Vec2 = dofile_once("mods/noita-mapcap/files/libraries/vec2.lua")
---@type JSONLib
local JSON = dofile_once("mods/noita-mapcap/files/libraries/json.lua")
-------------
-- Classes --
-------------
---@class NoitaEntityAPI
local EntityAPI = {}
---@class NoitaEntity
---@field ID integer -- Noita entity ID.
local NoitaEntity = {}
NoitaEntity.__index = NoitaEntity
EntityAPI.MetaTable = NoitaEntity
---WrapID wraps the given entity ID and returns a Noita entity object.
---@param id number
---@return NoitaEntity|nil
function EntityAPI.WrapID(id)
if id == nil or type(id) ~= "number" then return nil end
return setmetatable({ ID = id }, NoitaEntity)
end
------------------------
-- Noita API wrappers --
------------------------
---
---@param filename string
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- Y coordinate in world (virtual) pixels.
---@return NoitaEntity|nil
function EntityAPI.Load(filename, posX, posY)
return EntityAPI.WrapID(EntityLoad(filename, posX, posY))
end
---
---@param filename string
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- Y coordinate in world (virtual) pixels.
---@return NoitaEntity|nil
function EntityAPI.LoadEndGameItem(filename, posX, posY)
return EntityAPI.WrapID(EntityLoadEndGameItem(filename, posX, posY))
end
---
---@param filename string
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- Y coordinate in world (virtual) pixels.
function EntityAPI.LoadCameraBound(filename, posX, posY)
return EntityLoadCameraBound(filename, posX, posY)
end
---Creates a new entity from the given XML file, and attaches it to entity.
---This will not load tags and other stuff, it seems.
---@param filename string
---@param entity NoitaEntity
function EntityAPI.LoadToEntity(filename, entity)
return EntityLoadToEntity(filename, entity.ID)
end
---
---Note: works only in dev builds.
---@param filename string
function NoitaEntity:Save(filename)
return EntitySave(self.ID, filename)
end
---
---@param name string
---@return NoitaEntity|nil
function EntityAPI.CreateNew(name)
return EntityAPI.WrapID(EntityCreateNew(name))
end
---
function NoitaEntity:Kill()
return EntityKill(self.ID)
end
---
function NoitaEntity:IsAlive()
return EntityGetIsAlive(self.ID)
end
---
---@param componentTypeName string
---@param tableOfComponentValues string[]|nil
---@return NoitaComponent|nil
function NoitaEntity:AddComponent(componentTypeName, tableOfComponentValues)
local componentID = EntityAddComponent(self.ID, componentTypeName, tableOfComponentValues)
return ComponentAPI.WrapID(componentID)
end
---
---@param component NoitaComponent
function NoitaEntity:RemoveComponent(component)
return EntityRemoveComponent(self.ID, component.ID)
end
---Returns a table of with all components of this entity.
---@return NoitaComponent[]
function NoitaEntity:GetAllComponents()
local componentIDs = EntityGetAllComponents(self.ID) or {}
local result = {}
for _, componentID in ipairs(componentIDs) do
table.insert(result, ComponentAPI.WrapID(componentID))
end
return result
end
---Returns a table of components filtered by the given parameters.
---@param componentTypeName string
---@param tag string|nil
---@return NoitaComponent[]
function NoitaEntity:GetComponents(componentTypeName, tag)
local componentIDs
if tag ~= nil then
componentIDs = EntityGetComponent(self.ID, componentTypeName, tag) or {}
else
componentIDs = EntityGetComponent(self.ID, componentTypeName) or {}
end
local result = {}
for _, componentID in ipairs(componentIDs) do
table.insert(result, ComponentAPI.WrapID(componentID))
end
return result
end
---Returns the first component of this entity that fits the given parameters.
---@param componentTypeName string
---@param tag string|nil
---@return NoitaComponent|nil
function NoitaEntity:GetFirstComponent(componentTypeName, tag)
local componentID
if tag ~= nil then
componentID = EntityGetFirstComponent(self.ID, componentTypeName, tag)
else
componentID = EntityGetFirstComponent(self.ID, componentTypeName)
end
return ComponentAPI.WrapID(componentID)
end
---Sets the transform of the entity.
---@param x number
---@param y number
---@param rotation number
---@param scaleX number
---@param scaleY number
function NoitaEntity:SetTransform(x, y, rotation, scaleX, scaleY)
return EntitySetTransform(self.ID, x, y, rotation, scaleX, scaleY)
end
---Sets the transform and tries to immediately refresh components that calculate values based on an entity's transform.
---@param x number
---@param y number
---@param rotation number
---@param scaleX number
---@param scaleY number
function NoitaEntity:SetAndApplyTransform(x, y, rotation, scaleX, scaleY)
return EntityApplyTransform(self.ID, x, y, rotation, scaleX, scaleY)
end
---Returns the transformation of the entity.
---@return number x, number y, number rotation, number scaleX, number scaleY
function NoitaEntity:GetTransform()
return EntityGetTransform(self.ID)
end
---
---@param child NoitaEntity
function NoitaEntity:AddChild(child)
return EntityAddChild(self.ID, child.ID)
end
---
---@return NoitaEntity[]
function NoitaEntity:GetAllChildren()
local entityIDs = EntityGetAllChildren(self.ID) or {}
local result = {}
for _, entityID in ipairs(entityIDs) do
table.insert(result, EntityAPI.WrapID(entityID))
end
return result
end
---
---@return NoitaEntity|nil
function NoitaEntity:GetParent()
return EntityAPI.WrapID(EntityGetParent(self.ID))
end
---Returns the given entity if it has no parent, otherwise walks up the parent hierarchy to the topmost parent and returns it.
---@return NoitaEntity|nil
function NoitaEntity:GetRootEntity()
return EntityAPI.WrapID(EntityGetRootEntity(self.ID))
end
---
function NoitaEntity:RemoveFromParent()
return EntityRemoveFromParent(self.ID)
end
---
---@param tag string
---@param enabled boolean
function NoitaEntity:SetComponentsWithTagEnabled(tag, enabled)
return EntitySetComponentsWithTagEnabled(self.ID, tag, enabled)
end
---
---@param component NoitaComponent
---@param enabled boolean
function NoitaEntity:SetComponentsEnabled(component, enabled)
return EntitySetComponentIsEnabled(self.ID, component.ID, enabled)
end
---
---@return string
function NoitaEntity:GetName()
return EntityGetName(self.ID)
end
---
---@param name string
function NoitaEntity:SetName(name)
return EntitySetName(self.ID, name)
end
---Returns an array of all the entity's tags.
---@return string[]
function NoitaEntity:GetTags()
---@type string
local tagsString = EntityGetTags(self.ID)
local result = {}
for tag in tagsString:gmatch('([^,]+)') do
table.insert(result, tag)
end
return result
end
---Returns all entities with 'tag'.
---@param tag string
---@return NoitaEntity[]
function EntityAPI.GetWithTag(tag)
local entityIDs = EntityGetWithTag(tag) or {}
local result = {}
for _, entityID in ipairs(entityIDs) do
table.insert(result, EntityAPI.WrapID(entityID))
end
return result
end
---Returns all entities in 'radius' distance from 'x','y'.
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- X coordinate in world (virtual) pixels.
---@param radius number -- Radius in world (virtual) pixels.
---@return NoitaEntity[]
function EntityAPI.GetInRadius(posX, posY, radius)
local entityIDs = EntityGetInRadius(posX, posY, radius) or {}
local result = {}
for _, entityID in ipairs(entityIDs) do
table.insert(result, EntityAPI.WrapID(entityID))
end
return result
end
---Returns all entities in 'radius' distance from 'x','y' that have the given tag.
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- X coordinate in world (virtual) pixels.
---@param radius number -- Radius in world (virtual) pixels.
---@param tag string
---@return NoitaEntity[]
function EntityAPI.GetInRadiusWithTag(posX, posY, radius, tag)
local entityIDs = EntityGetInRadiusWithTag(posX, posY, radius, tag) or {}
local result = {}
for _, entityID in ipairs(entityIDs) do
table.insert(result, EntityAPI.WrapID(entityID))
end
return result
end
---
---@param posX number -- X coordinate in world (virtual) pixels.
---@param posY number -- X coordinate in world (virtual) pixels.
---@return NoitaEntity|nil
function EntityAPI.GetClosest(posX, posY)
return EntityAPI.WrapID(EntityGetClosest(posX, posY))
end
---
---@param name string
---@return NoitaEntity|nil
function EntityAPI.GetWithName(name)
return EntityAPI.WrapID(EntityGetWithName(name))
end
---
---@param tag string
function NoitaEntity:AddTag(tag)
return EntityAddTag(self.ID, tag)
end
---
---@param tag string
function NoitaEntity:RemoveTag(tag)
return EntityRemoveTag(self.ID, tag)
end
---
---@param tag string
---@return boolean
function NoitaEntity:HasTag(tag)
return EntityHasTag(self.ID, tag)
end
---
---@return string -- example: 'data/entities/items/flute.xml'.
function NoitaEntity:GetFilename()
return EntityGetFilename(self.ID)
end
---Creates a component of type 'component_type_name' and adds it to 'entity_id'.
---'table_of_component_values' should be a string-indexed table, where keys are field names and values are field values of correct type.
---The value setting works like ComponentObjectSetValue2(), with the exception that multivalue types are not supported.
---Additional supported values are _tags:comma_separated_string and _enabled:bool, which basically work like the those fields work in entity XML files.
---Returns the created component, if creation succeeded, or nil.
---@param componentTypeName string
---@param tableOfComponentValues table<string, any>
---@return NoitaComponent|nil
function NoitaEntity:EntityAddComponent(componentTypeName, tableOfComponentValues)
local componentID = EntityAddComponent2(self.ID, componentTypeName, tableOfComponentValues)
return ComponentAPI.WrapID(componentID)
end
-- TODO: Add missing Noita API methods and functions.
-------------------------
-- JSON Implementation --
-------------------------
---MarshalJSON implements the JSON marshaler interface.
---@return string
function NoitaEntity:MarshalJSON()
local result = {
name = self:GetName(),
filename = self:GetFilename(),
tags = self:GetTags(),
children = self:GetAllChildren(),
components = self:GetAllComponents(),
transform = {},
}
result.transform.x, result.transform.y, result.transform.rotation, result.transform.scaleX, result.transform.scaleY = self:GetTransform()
return JSON.Marshal(result)
end
return EntityAPI