chore: put automove in physics mixin

Fixes #54

birb/core/assets.lua

@@ -0,0 +1,97 @@
+-- core/assets :: a simple assets manager, aim to put every assets in a simple
+-- serie of table in order to find them easily.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local AssetManager = Object:extend()
+
+function AssetManager:new()
+    self.locals = {}
+    self.globals = {}
+    self.updatables = {}
+
+    self.isActive = true
+end
+
+function AssetManager:update(dt)
+    if (self.isActive) then
+        for key, updatable in pairs(self.updatables) do
+            updatable:update(dt)
+        end
+    end
+end
+
+function AssetManager:add(name, asset, isGlobal)
+    if (isGlobal == true) then
+        self:addGlobal(name, asset)
+    else
+        self:addLocal(name, asset)
+    end
+end
+
+function AssetManager:addGlobal(name, asset)
+    self.globals[name] = asset
+end
+
+function AssetManager:addLocal(name, asset)
+    self.locals[name] = asset
+end
+
+function AssetManager:clear()
+    self.locals = {}
+    self.globals = {}
+    collectgarbage()
+end
+
+function AssetManager:clearLocal()
+    self.locals = {}
+end
+
+function AssetManager:get(name)
+    if self.locals[name] ~= nil then
+        return self.locals[name]
+    end
+    return self.globals[name]
+end
+
+-- Specific functions
+
+function AssetManager:playSFX(name)
+    local asset = self:get(name)
+    asset:play()
+end
+
+-- Activity Functions
+
+function AssetManager:setActivity(isActive)
+    self.isActive = isActive
+end
+
+function AssetManager:switchActivity()
+    self.isActive = (self.isActive == false)
+end
+
+function AssetManager:getActivity()
+    return self.isActive
+end
+
+return AssetManager

birb/core/init.lua

@@ -34,6 +34,7 @@ local Screen        = require(cwd .. "screen")
 local Lang          = require(cwd .. "lang")
 local SceneManager  = require(cwd .. "scenemanager")
 local MusicManager  = require(cwd .. "music")
+local Assets        = require(cwd .. "assets")
 
 -- INIT FUNCTIONS
 -- Initialize and configure the core object
@@ -51,6 +52,7 @@ function CoreSystem:new(debugLevel)
   self.scenemanager = SceneManager(self)
   self.lang         = Lang(self)
   self.music        = MusicManager(self)
+  self.assets       = Assets(self)
 
   self.debug:logDebug("birbcore","Birb initialized")
 end
@@ -106,6 +108,7 @@ function CoreSystem:update(dt)
   self.input:update(dt)
   self.screen:update(dt)
   self.music:update(dt)
+  self.assets:update(dt)
 
   if (self.game ~= nil) then
     self.game:update(dt)

birb/core/scenemanager.lua

@@ -75,7 +75,6 @@ function SceneManager:update(dt)
   if (self.currentScene ~= nil) then
     self.currentScene:updateStart(dt)
     self.currentScene:setKeys()
-    self.currentScene.assets:update(dt)
     self.currentScene.menusystem:update(dt)
     self.currentScene:updateWorld(dt)
     self.currentScene:update(dt)

birb/modules/assets/init.lua

@@ -1,5 +1,5 @@
--- modules/assets :: a simple assets manager, aim to put every assets in a simple
--- serie of table in order to find them easily.
+-- modules/assets/import :: a simple assets importer, to import easily everything into
+-- the asset manager.
 
 --[[
   Copyright © 2019 Kazhnuz
@@ -24,7 +24,7 @@
 
 local Assets = Object:extend()
 
-local cwd  = (...):gsub('%.init$', '') .. "."
+local cwd  = (...):gsub('%.init$', '') .. ".types."
 
 local Texture     = require(cwd .. "texture")
 
@@ -36,257 +36,241 @@ local Tileset     = require(cwd ..  "tileset")
 local Autotile    = require(cwd ..  "autotile")
 local Background  = require(cwd ..  "background")
 
+local SFX         = require(cwd .. "sfx")
+
 -- INIT FUNCTIONS
 -- Initilizing and configuring option
 
-function Assets:new()
-  self:clear()
-
-  self.isActive = true
+function Assets:new(isGlobal)
+    self.isGlobal = isGlobal
 end
 
 function Assets:clear()
-  -- TODO: destroy individually each texture/image when assets are cleared
-  self:clearSprites()
-  self:clearSFX()
-  self:clearFonts()
-  self:resetMusic()
-  self:clearBackgrounds()
-  self:clearFonts()
-  self:clearTileset()
-
-  self:clearImages()
+    if (self.isGlobal) then
+        core.assets:clear()
+    else
+        core.assets:clearLocal()
+    end
 end
 
-function Assets:update(dt)
-  if (self.isActive) then
-    self:animationsUpdate(dt)
-  end
+-- WRAPPER FUNCTIONS
+-- Basic wrappers to ensure compatibility
+
+function Assets:get(key)
+  return core.assets:get(key)
+end
+
+function Assets:getFont(key)
+    return self:getWithType(key, "font")
+end
+
+function Assets:getWithType(key, type)
+  return core.assets:get(key)
+end
+
+function Assets:draw(name, x, y, r, sx, sy, ox, oy, kx, ky)
+    core.assets:draw(name, x, y, r, sx, sy, ox, oy, kx, ky)
+end
+
+function Assets:newSFX(name, filepath)
+    self:addSFX(name, filepath)
+end
+
+function Assets:addImage(name, filename)
+  self:addTexture(name, filename)
+end
+
+function Assets:playSFX(name)
+    core.assets:playSFX(name)
+end
+
+function Assets:drawImage(name, x, y, r, sx, sy, ox, oy, kx, ky)
+    self:draw(name, x, y, r, sx, sy, ox, oy, kx, ky)
+end
+
+-- Music
+
+function Assets:setMusic(filename, loop)
+    core.debug:logDebug("assets", "Assets:setMusic is deprecated")
+    core.music:addMusic(filename, true)
+end
+
+function Assets:silence()
+    core.debug:logDebug("assets", "Assets:silence is deprecated")
+    core.music:silence()
+end
+
+function Assets:resetMusic()
+    core.debug:logDebug("assets", "Assets:resetMusic is deprecated")
+    core.music:purge()
+end
+
+function Assets:playMusic()
+    core.debug:logDebug("assets", "Assets:playMusic is deprecated")
+    core.music:playMusic()
+end
+
+-- Activity
+
+function Assets:setActivity(activity)
+    core.assets:setActivity(activity)
+end
+
+function Assets:switchActivity()
+    core.assets:switchActivity()
+end
+
+function Assets:getActivity()
+    core.assets:getActivity()
 end
 
 -- IMPORT FUNCTIONS
 -- Easilly import assets
 
 function Assets:batchImport(datafile)
-  local datas = require(datafile)
+    local datas = require(datafile)
 
-  for asset_type, assets in pairs(datas) do
-    if (asset_type == "autotiles") then
-      self:importAutotiles(assets)
-    elseif (asset_type == "backgrounds") then
-      self:importBackgrounds(assets)
-    elseif (asset_type == "fonts") then
-      self:importFonts(assets)
-    elseif (asset_type == "imagefonts") then
-      self:importImageFonts(assets)
-    elseif (asset_type == "images") then
-      self:importTextures(assets)
-    elseif (asset_type == "sprites") then
-      self:importSprites(assets)
-    elseif (asset_type == "textures") then
-      self:importTextures(assets)
-    elseif (asset_type == "tilesets") then
-      self:importTilesets(assets)
-    elseif (asset_type == "sfx") then
-      self:importSFX(assets)
-    else
-      core.debug:logWarn("assets/importer", "unkown asset type " .. asset_type)
+    for asset_type, assets in pairs(datas) do
+        if (asset_type == "autotiles") then
+            self:importAutotiles(assets)
+        elseif (asset_type == "backgrounds") then
+            self:importBackgrounds(assets)
+        elseif (asset_type == "fonts") then
+            self:importFonts(assets)
+        elseif (asset_type == "imagefonts") then
+            self:importImageFonts(assets)
+        elseif (asset_type == "images") then
+            self:importTextures(assets)
+        elseif (asset_type == "sprites") then
+            self:importSprites(assets)
+        elseif (asset_type == "textures") then
+            self:importTextures(assets)
+        elseif (asset_type == "tilesets") then
+            self:importTilesets(assets)
+        elseif (asset_type == "sfx") then
+            self:importSFX(assets)
+        else
+            core.debug:logWarn("assets/importer", "unkown asset type " .. asset_type)
+        end
     end
-  end
 end
 
 function Assets:importAutotiles(assets)
-  for i, asset in ipairs(assets) do
-    self:addAutotile(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addAutotile(asset[1], asset[2])
+    end
 end
 
 function Assets:importBackgrounds(assets)
-  for i, asset in ipairs(assets) do
-    self:addBackground(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addBackground(asset[1], asset[2])
+    end
 end
 
 function Assets:importFonts(assets)
-  for i, asset in ipairs(assets) do
-    self:addFont(asset[1], asset[2], asset[3])
-  end
+    for i, asset in ipairs(assets) do
+        self:addFont(asset[1], asset[2], asset[3])
+    end
 end
 
 function Assets:importImageFonts(assets)
-  for i, asset in ipairs(assets) do
-    self:addImageFont(asset[1], asset[2], asset[3])
-  end
+    for i, asset in ipairs(assets) do
+        self:addImageFont(asset[1], asset[2], asset[3])
+    end
 end
 
 function Assets:importSprites(assets)
-  for i, asset in ipairs(assets) do
-    self:addSprite(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addSprite(asset[1], asset[2])
+    end
 end
 
 function Assets:importTextures(assets)
-  for i, asset in ipairs(assets) do
-    self:addImage(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addImage(asset[1], asset[2])
+    end
 end
 
 function Assets:importTilesets(assets)
-  for i, asset in ipairs(assets) do
-    self:addTileset(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addTileset(asset[1], asset[2])
+    end
 end
 
 function Assets:importSFX(assets)
-  for i, asset in ipairs(assets) do
-    self:addSFX(asset[1], asset[2])
-  end
+    for i, asset in ipairs(assets) do
+        self:addSFX(asset[1], asset[2])
+    end
 end
 
--- SFX & MUSICS
--- Handle sound effects and musics
+-- ADD FUNCTIONS
+-- Different wrapper to create easily asset objects
 
-function Assets:addSFX(name, filepath)
-  self:newSFX(name, filepath)
+function Assets:add(name, assetObject)
+    core.assets:add(name, assetObject, self.isGlobal)
 end
 
-function Assets:newSFX(name, filepath)
-  self.sfx[name] = love.audio.newSource( filepath, "static" )
-end
-
-function Assets:clearSFX()
-  love.audio.stop( )
-  self.sfx = {}
-end
-
-function Assets:playSFX(filename)
-  if not (self.sfx[filename] == nil) then
-    self.sfx[filename]:stop()
-    self.sfx[filename]:setVolume(core.options.data.audio.sfx / 100)
-    love.audio.play( self.sfx[filename] )
-  end
-end
-
-function Assets:setMusic(filename, loop)
-  core.debug:logDebug("assets", "Assets:setMusic is deprecated")
-  core.music:addMusic(filename, true)
-end
-
-function Assets:silence()
-  core.debug:logDebug("assets", "Assets:silence is deprecated")
-  core.music:silence()
-end
-
-function Assets:resetMusic()
-  core.debug:logDebug("assets", "Assets:resetMusic is deprecated")
-  core.music:purge()
-end
-
-function Assets:playMusic()
-  core.debug:logDebug("assets", "Assets:playMusic is deprecated")
-  core.music:playMusic()
-end
-
--- IMAGES FUNCTIONS
--- Create directly texture items
-
-function Assets:addImage(name, filename)
-  self.images[name] = Texture(filename)
-end
-
-function Assets:drawImage(name, x, y, r, sx, sy, ox, oy, kx, ky)
-  self.images[name]:draw(x, y, r, sx, sy, ox, oy, kx, ky)
-end
-
-function Assets:clearImages()
-  self.images = {}
-end
-
--- BACKGROUNDS FUNCTIONS
--- Automatic tiling texture
-
 function Assets:addBackground(name, filepath)
-  -- TODO: rework entirely background to work at any size
-  self.backgrounds[name] = Background(filepath)
+    self:add(name, Background(filepath))
 end
 
-function Assets:clearBackgrounds()
-  self.backgrounds = {}
-end
-
--- SPRITES FUNCTIONS
--- Animated tileset
-
 function Assets:addSprite(name, filepath)
-  self.sprites[name] = Sprite(filepath)
+    self:add(name, Sprite(filepath))
 end
 
-function Assets:animationsUpdate(dt)
-  for i,v in pairs(self.sprites) do
-    v:update(dt)
-  end
-end
-
-function Assets:clearSprites()
-  self.sprites = {}
-end
-
--- FONTS FUNCTIONS
--- Handles fonts and imagesfonts
-
 function Assets:addFont(key, filename, size)
-  local font = Font(filename, size)
-  self.fonts[key] = font
+    self:add(key, Font(filename, size))
 end
 
 function Assets:addImageFont(key, filename, extraspacing)
-  local font = ImageFont(filename, extraspacing)
-  self.fonts[key] = font
+    self:add(key, ImageFont(filename, extraspacing))
 end
 
-function Assets:getFont(filename)
-  return self.fonts[filename]
-end
-
-function Assets:clearFonts()
-  self.fonts = {}
-end
-
--- TILESET FUNCTIONS
--- Automatically create quads for a texture
-
 function Assets:addTileset(name, filepath)
-  self.tileset[name] = Tileset(filepath)
+    self:add(name, Tileset(filepath))
+end
+
+function Assets:addAutotile(name, tilesize)
+    self:add(name, Autotile(name, tilesize))
+end
+
+function Assets:addSFX(name, filepath)
+    self:add(name, SFX(filepath))
+end
+
+function Assets:addTexture(name, filename)
+  self:add(name, Texture(filename))
+end
+
+-- DEPRECATED FUNCTIONS
+-- Don't do anything and will be removed soon
+
+function Assets:clearFonts()
+    core.debug:logDebug("assets", "Assets:clearFonts is deprecated")
 end
 
 function Assets:clearTileset()
-  self.tileset = {}
-end
-
--- AUTOTILE FUNCTIONS
--- Automatically draw tiles
-
-function Assets:addAutotile(name, tilesize)
-  self.autotile[name] = Autotile(name, tilesize)
+    core.debug:logDebug("assets", "Assets:clearTileset is deprecated")
 end
 
 function Assets:clearAutotile()
-  self.autotile = {}
+    core.debug:logDebug("assets", "Assets:clearAutotile is deprecated")
 end
 
--- ACTIVITY FUNCTIONS
--- Handle activity
-
-function Assets:setActivity(activity)
-  self.isActive = activity
+function Assets:clearSFX()
+    core.debug:logDebug("assets", "Assets:clearSFX is deprecated")
 end
 
-function Assets:switchActivity()
-  self.isActive = (self.isActive == false)
+function Assets:clearBackgrounds()
+    core.debug:logDebug("assets", "Assets:clearBackgrounds is deprecated")
 end
 
-function Assets:getActivity()
-  return self.isActive
+function Assets:clearSprites()
+    core.debug:logDebug("assets", "Assets:clearSprites is deprecated")
+end
+
+function Assets:clearImages()
+    core.debug:logDebug("assets", "Assets:clearImages is deprecated")
 end
 
 return Assets

birb/modules/assets/types/sfx.lua

@@ -0,0 +1,40 @@
+-- assets/sfx :: the sfx object, essentially used to be able to just have an sfx
+
+--[[
+  Copyright © 2020 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+
+local SFX = Object:extend()
+
+-- INIT FUNCTIONS
+-- Initilizing and configuring option
+
+function SFX:new(filepath)
+    self.sound = love.audio.newSource(filepath, "static")
+end
+
+function SFX:play()
+    self.sound:stop()
+    self.sound:setVolume(core.options.data.audio.sfx / 100)
+    love.audio.play(self.sound)
+end
+
+return SFX

birb/modules/menusystem/parent.lua

@@ -257,7 +257,7 @@ function Menu:resetSound()
 end
 
 function Menu:setSoundFromSceneAssets(name)
-  self:setSound(self.menusystem.scene.assets.sfx[name])
+  self:setSound(self.menusystem.scene.assets:getWithType(name, "sfx"))
 end
 
 function Menu:setSound(soundasset)
@@ -267,9 +267,7 @@ end
 
 function Menu:playNavigationSound()
   if self.sound.active == true then
-    love.audio.stop( self.sound.asset )
-    self.sound.asset:setVolume(core.options.data.audio.sfx / 100)
-    love.audio.play( self.sound.asset )
+    self.sound.asset:play()
   end
 end
 

birb/modules/world/actors/actor2D.lua

@@ -22,18 +22,34 @@
   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ]]
 
-local cwd   = (...):gsub('%.actor2D$', '') .. "."
-local BaseActor = require(cwd .. "baseactor")
-local Actor2D = BaseActor:extend()
+local BaseActor = require("birb.modules.world.actors.mixins.base")
+local SpritedActor = require("birb.modules.world.actors.mixins.sprites")
+local TimedActor = require("birb.modules.world.actors.mixins.timers")
+local InputActor = require("birb.modules.world.actors.mixins.inputs")
+local PhysicalActor = require("birb.modules.world.actors.mixins.physics")
 
-local Hitbox  = require(cwd .. "utils.hitbox2D")
+local Actor2D = Object:extend()
+Actor2D:implement(BaseActor)
+Actor2D:implement(SpritedActor)
+Actor2D:implement(TimedActor)
+Actor2D:implement(InputActor)
+Actor2D:implement(PhysicalActor)
+
+local Hitbox  = require("birb.modules.world.actors.utils.hitbox2D")
 
 -- INIT FUNCTIONS
 -- Initialise the actor and its base functions
 
 function Actor2D:new(world, type, x, y, w, h, isSolid)
-  Actor2D.super.new(self, world, type, x, y, 0, w, h, 0, isSolid)
-  self:initHitboxes()
+  self:init(world, type)
+  self:initPhysics(Hitbox, x, y, 0, w, h, 0, isSolid)
+  self:initTimers()
+  self:initSprite()
+  self:initKeys()
+end
+
+function Actor2D:packForHitbox()
+  return {0, 0, self.w, self.h}
 end
 
 function Actor2D:destroy()
@@ -45,21 +61,10 @@ end
 -- PHYSICS FUNCTIONS
 -- Handle movement and collisions.
 
-function Actor2D:autoMove(dt)
-  self:updateHitboxes()
-  self.onGround = false
-  self:applyGravity(dt)
-
+function Actor2D:moveToFuturePosition(dt)
   local dx, dy = self:getFuturePosition(dt)
-  local newx, newy, cols, colNumber = self:move(dx, dy)
-
-  -- apply after the movement the friction, until the player stop
-  -- note: the friction is applied according to the delta time,
-  -- thus the friction should be how much speed is substracted in 1 second
-
-  self:solveAllCollisions(cols)
-
-  self:applyFriction(dt)
+  local _, _, cols, colNumber = self:move(dx, dy)
+  return cols, colNumber
 end
 
 function Actor2D:changeSpeedToCollisionNormal(normal)
@@ -80,16 +85,16 @@ end
 function Actor2D:move(dx, dy)
   local cols, colNumber = {}, 0
   if (self.isDestroyed == false) then
-    self.x, self.y, cols, colNumber = self.mainHitbox:checkCollision(dx, dy, self.filter)
+    self.x, self.y, cols, colNumber = self.mainHitbox:checkCollisionAtPoint(dx, dy, self.filter)
     self.mainHitbox:updatePosition()
   end
   return self.x, self.y, cols, colNumber
 end
 
-function Actor2D:checkCollision(dx, dy)
+function Actor2D:checkCollisionAtPoint(dx, dy)
   local x, y, cols, colNumber = dx, dy, {}, 0
   if (self.isDestroyed == false) then
-    x, y, cols, colNumber = self.mainHitbox:checkCollision(dx, dy, self.filter)
+    x, y, cols, colNumber = self.mainHitbox:checkCollisionAtPoint(dx, dy, self.filter)
   end
   return self.x, self.y, cols, colNumber
 end
@@ -107,7 +112,7 @@ end
 
 function Actor2D:checkGround()
   local dx, dy = self.x, self.y + utils.math.sign(self.grav)
-  local newx, newy, cols, colNumber = self:checkCollision(dx, dy)
+  local newx, newy, cols, colNumber = self:checkCollisionAtPoint(dx, dy)
 
   for i, col in ipairs(cols) do
     if (col.type == "touch") or (col.type == "bounce") or (col.type == "slide") then
@@ -126,70 +131,6 @@ function Actor2D:getViewCenter()
   return x, y
 end
 
--- HITBOXES FUNCTIONS
--- Functions related to actor hitboxes
-
-function Actor2D:addHitboxFromFrameData(framedata, animationID, frameID, hitboxID)
-  local sx, sy = self.sprite:getScalling()
-  local type  = framedata[1]
-  local ox    = framedata[2]
-  local oy    = framedata[3]
-  local w     = framedata[4]
-  local h     = framedata[5]
-  local isSolid = framedata[6] or false
-  local anim  = animationID or "null"
-  local frame = frameID or 0
-  local id    = hitboxID or 0
-  if (sx < 0) then
-    ox = self.w - ox - w
-  end
-  if (sy < 0) then
-    oy = self.h - oy - h
-  end
-
-  if (type == "main") then
-    self.mainHitbox:modify(ox, oy, w, h)
-  else
-    local hitboxName = anim .. frame .. type .. id
-    self:addHitbox(hitboxName, type, ox, oy, w, h, isSolid)
-    return hitboxName
-  end
-end
-
-function Actor2D:initMainHitbox()
-  self.mainHitbox = Hitbox(self, self.type, 0, 0, self.w, self.h, self.isSolid)
-  self.mainHitbox:advertiseAsMainHitbox()
-end
-
-function Actor2D:addHitbox(name, type, ox, oy, w, h, isSolid)
-  if (self.hitboxes[name] ~= nil) then
-    core.debug:logWarn("actor2D", "the hitbox " .. name .. " already exists")
-  else
-    local hitbox = Hitbox(self, type, ox, oy, w, h, isSolid)
-    self.hitboxes[name] = hitbox
-    return hitbox
-  end
-end
-
-function Actor2D:checkHitboxCollisions(name, filter)
-  self:checkHitboxCollisionsAtPoint(name, self.x, self.y, filter)
-end
-
-function Actor2D:checkHitboxCollisionsAtPoint(name, dx, dy, filter)
-    local x, y, cols, colNumber = dx, dy, {}, 0
-    local filter = filter or self.filter
-    if (self.isDestroyed == false) and (self.hitboxes[name] ~= nil) then
-      x, y, cols, colNumber = self.hitboxes[name]:checkCollision(dx, dy, filter)
-      local type = self.hitboxes[name].type
-
-      for i, col in ipairs(cols) do
-        self:hitboxResponse(name, type, col)
-      end
-    end
-
-    return x, y, cols, colNumber
-end
-
 -- DRAW FUNCTIONS
 -- Draw the actors.
 

birb/modules/world/actors/actor3D.lua

@@ -23,8 +23,18 @@
 ]]
 
 local cwd   = (...):gsub('%.actor3D$', '') .. "."
-local BaseActor = require(cwd .. "baseactor")
-local Actor3D = BaseActor:extend()
+local BaseActor = require("birb.modules.world.actors.mixins.base")
+local SpritedActor = require("birb.modules.world.actors.mixins.sprites")
+local TimedActor = require("birb.modules.world.actors.mixins.timers")
+local InputActor = require("birb.modules.world.actors.mixins.inputs")
+local PhysicalActor = require("birb.modules.world.actors.mixins.physics")
+
+local Actor3D = Object:extend()
+Actor3D:implement(BaseActor)
+Actor3D:implement(SpritedActor)
+Actor3D:implement(TimedActor)
+Actor3D:implement(InputActor)
+Actor3D:implement(PhysicalActor)
 
 local Hitbox  = require(cwd .. "utils.hitbox3D")
 local Boxes   = require(cwd .. "utils.boxes")
@@ -33,8 +43,10 @@ local Boxes   = require(cwd .. "utils.boxes")
 -- Initialise the actor and its base functions
 
 function Actor3D:new(world, type, x, y, z, w, h, d, isSolid)
-  Actor3D.super.new(self, world, type, x, y, z, w, h, d, isSolid)
-  self:initHitboxes()
+  self:init(world, type)
+  self:initPhysics(Hitbox, x, y, z, w, h, d, isSolid)
+  self:initTimers()
+  self:initSprite()
   self.world:registerShape(self)
   self.boxes = Boxes
   self.doCastShadows = true
@@ -51,24 +63,18 @@ function Actor3D:destroy()
   self.isDestroyed = true
 end
 
+function Actor3D:packForHitbox()
+  return {0, 0, 0, self.w, self.h, self.d}
+end
+
+
 -- PHYSICS FUNCTIONS
 -- Handle movement and collisions.
 
-function Actor3D:autoMove(dt)
-  self:updateHitboxes()
-  self.onGround = false
-  self:applyGravity(dt)
-
+function Actor3D:moveToFuturePosition(dt)
   local dx, dy, dz = self:getFuturePosition(dt)
-  local newx, newy, newz, cols, colNumber = self:move(dx, dy, dz)
-
-  -- apply after the movement the friction, until the player stop
-  -- note: the friction is applied according to the delta time,
-  -- thus the friction should be how much speed is substracted in 1 second
-
-  self:solveAllCollisions(cols)
-
-  self:applyFriction(dt)
+  local _, _, _, cols, colNumber = self:move(dx, dy, dz)
+  return cols, colNumber
 end
 
 function Actor3D:changeSpeedToCollisionNormal(normal)
@@ -94,7 +100,7 @@ function Actor3D:move(dx, dy, dz)
   local cols, colNumber = {}, 0
   local oldx, oldy, oldz = self.x, self.y, self.z
   if (self.isDestroyed == false) then
-    self.x, self.y, self.z, cols, colNumber = self.mainHitbox:checkCollision(dx, dy, dz, self.filter)
+    self.x, self.y, self.z, cols, colNumber = self.mainHitbox:checkCollisionAtPoint(dx, dy, dz, self.filter)
     self.mainHitbox:updatePosition()
     self.world:updateShape(self)
   end
@@ -108,10 +114,10 @@ function Actor3D:move(dx, dy, dz)
   return self.x, self.y, self.z, cols, colNumber
 end
 
-function Actor3D:checkCollision(dx, dy, dz)
+function Actor3D:checkCollisionAtPoint(dx, dy, dz)
   local x, y, z, cols, colNumber = dx, dy, dz, {}, 0
   if (self.isDestroyed == false) then
-    x, y, z, cols, colNumber = self.mainHitbox:checkCollision(dx, dy, dz, self.filter)
+    x, y, z, cols, colNumber = self.mainHitbox:checkCollisionAtPoint(dx, dy, dz, self.filter)
   end
   return self.x, self.y, self.z, cols, colNumber
 end
@@ -130,7 +136,7 @@ end
 
 function Actor3D:checkGround()
   local dx, dy, dz = self.x, self.y, self.z - utils.math.sign(self.grav)
-  local newx, newy, newz, cols, colNumber = self:checkCollision(dx, dy, dz)
+  local newx, newy, newz, cols, colNumber = self:checkCollisionAtPoint(dx, dy, dz)
   for i, col in ipairs(cols) do
     if (col.type == "touch") or (col.type == "bounce") or (col.type == "slide") then
       if not (self.grav == 0) then
@@ -148,72 +154,6 @@ function Actor3D:getViewCenter()
   return x, y - (self.d/2)
 end
 
--- HITBOXES FUNCTIONS
--- Functions related to actor hitboxes
-
-function Actor3D:addHitboxFromFrameData(framedata, animationID, frameID, hitboxID)
-  local sx, sy = self.sprite:getScalling()
-  local type  = framedata[1]
-  local ox    = framedata[2]
-  local oy    = framedata[3]
-  local oz    = framedata[4]
-  local w     = framedata[5]
-  local h     = framedata[6]
-  local d     = framedata[7]
-  local isSolid = framedata[8] or false
-  local anim  = animationID or "null"
-  local frame = frameID or 0
-  local id    = hitboxID or 0
-  if (sx < 0) then
-    ox = self.w - ox - w
-  end
-  if (sy < 0) then
-    oz = self.d - oz - d
-  end
-
-  if (type == "main") then
-    self.mainHitbox:modify(ox, oy, oz, w, h, d)
-  else
-    local hitboxName = anim .. frame .. type .. id
-    self:addHitbox(hitboxName, type, ox, oy, oz, w, h, d, isSolid)
-    return hitboxName
-  end
-end
-
-function Actor3D:initMainHitbox()
-  self.mainHitbox = Hitbox(self, self.type, 0, 0, 0, self.w, self.h, self.d, self.isSolid)
-  self.mainHitbox:advertiseAsMainHitbox()
-end
-
-function Actor3D:addHitbox(name, type, ox, oy, oz, w, h, d, isSolid)
-  if (self.hitboxes[name] ~= nil) then
-    core.debug:logWarn("actor3D", "the hitbox " .. name .. " already exists")
-  else
-    local hitbox = Hitbox(self, type, ox, oy, oz, w, h, d, isSolid)
-    self.hitboxes[name] = hitbox
-    return hitbox
-  end
-end
-
-function Actor3D:checkHitboxCollisions(name, filter)
-  self:checkHitboxCollisionsAtPoint(name, self.x, self.y, self.z, filter)
-end
-
-function Actor3D:checkHitboxCollisionsAtPoint(name, dx, dy, dz, filter)
-    local x, y, z, cols, colNumber = dx, dy, dz, {}, 0
-    local filter = filter or self.filter
-    if (self.isDestroyed == false) and (self.hitboxes[name] ~= nil) then
-      x, y, z, cols, colNumber = self.hitboxes[name]:checkCollision(dx, dy, dz, filter)
-      local type = self.hitboxes[name].type
-
-      for i, col in ipairs(cols) do
-        self:hitboxResponse(name, type, col)
-      end
-    end
-
-    return x, y, z, cols, colNumber
-end
-
 -- SHADOW FUNCTIONS
 -- Handle everything related to shadow
 

birb/modules/world/actors/baseactor.lua

@@ -1,437 +0,0 @@
--- BaseActor.lua :: the global implementation of an actor. Basically, it abstract
--- everything that isn't only 2D or 3D related to the actor system.
-
---[[
-  Copyright © 2019 Kazhnuz
-
-  Permission is hereby granted, free of charge, to any person obtaining a copy of
-  this software and associated documentation files (the "Software"), to deal in
-  the Software without restriction, including without limitation the rights to
-  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-  the Software, and to permit persons to whom the Software is furnished to do so,
-  subject to the following conditions:
-
-  The above copyright notice and this permission notice shall be included in all
-  copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-]]
-
-local cwd   = (...):gsub('%.baseactor$', '') .. "."
-local BaseActor = Object:extend()
-
-local Timer   = require(cwd .. "utils.timer")
-local Sprite  = require(cwd .. "utils.sprites")
-
--- INIT FUNCTIONS
--- Initialise the actor and its base functions
-
-function BaseActor:new(world, type, x, y, z, w, h, d, isSolid)
-  self.type     = type or ""
-  self.isSolid  = isSolid or false
-  self.depth    = 0
-
-  self:setManagers(world)
-  self:initKeys()
-  self:initTimers()
-  self:setSprite()
-  self:initPhysics(x, y, z, w, h, d)
-
-  self:setDebugColor(1, 1, 1)
-  self:register()
-end
-
-function BaseActor:setManagers(world)
-  self.world  = world
-  self.scene  = world.scene
-  self.obj    = world.obj
-  self.assets = self.scene.assets
-end
-
-function BaseActor:setDebugColor(r,g,b)
-  self.debug = {}
-  self.debug.r = r
-  self.debug.g = g
-  self.debug.b = b
-end
-
-function BaseActor:register()
-  self.world:registerActor(self)
-  self.isDestroyed = false
-end
-
-function BaseActor:destroy()
-  self.world:removeActor(self)
-  self.isDestroyed = true
-end
-
--- PHYSICS FUNCTIONS
--- Raw implementation of everything common in physics
-
-function BaseActor:initPhysics(x, y, z, w, h, d)
-  self:setCoordinate(x, y, z)
-
-  self.w      = w or 0
-  self.h      = h or 0
-  self.d      = d or 0
-
-  self.xsp    = 0
-  self.ysp    = 0
-  self.zsp    = 0
-
-  self.xfrc   = 0
-  self.yfrc   = 0
-  self.zfrc   = 0
-
-  self:initGravity()
-
-  self:setBounceFactor()
-  self:setFilter()
-end
-
-function BaseActor:setCoordinate(x, y, z, w, h, d)
-  self.x = x or self.x
-  self.y = y or self.y
-  self.z = z or self.z
-end
-
-function BaseActor:setBounceFactor(newBounceFactor)
-  self.bounceFactor = newBounceFactor or 0
-end
-
-function BaseActor:setFilter()
-  -- Init the bump filter
-  self.filter = function(item, other)
-    if (other.owner == self) then
-      -- ignore every collision with our own hitboxes
-      return nil
-    elseif (other.isSolid) then
-      return "slide"
-    else
-      return "cross"
-    end
-  end
-end
-
-function BaseActor:getFuturePosition(dt)
-  local dx, dy, dz
-  dx = self.x + self.xsp * dt
-  dy = self.y + self.ysp * dt
-  dz = self.z + self.zsp * dt
-
-  return dx, dy, dz
-end
-
-function BaseActor:applyFriction(dt)
-  self.xsp = utils.math.toZero(self.xsp, self.xfrc * dt)
-  self.ysp = utils.math.toZero(self.ysp, self.yfrc * dt)
-  self.zsp = utils.math.toZero(self.zsp, self.zfrc * dt)
-end
-
-function BaseActor:solveAllCollisions(cols)
-  for i, col in ipairs(cols) do
-    self:collisionResponse(col)
-    if (col.type == "touch") or (col.type == "bounce") or (col.type == "slide") then
-      self:changeSpeedToCollisionNormal(col.normal)
-    end
-  end
-end
-
-function BaseActor:collisionResponse(collision)
-  -- here come the response to the collision
-end
-
-function BaseActor:changeSpeedToCollisionNormal(normal)
-  -- Empty function in baseactor
-end
-
--- COORDINATE/MOVEMENT FUNCTIONS
--- Handle coordinate
-
-function BaseActor:getCenter()
-  return (self.x + (self.w / 2)), (self.y + (self.h / 2)), (self.z + (self.d / 2))
-end
-
-function BaseActor:getViewCenter()
-  return self:getCenter()
-end
-
--- GRAVITY SYSTEM FUNCTIONS
--- All functions related to gravity
-
-function BaseActor:initGravity()
-  if (self.world.gravity.isDefault) then
-    self.grav = self.world.gravity.grav
-  else
-    self.grav = 0
-  end
-
-  self.onGround = false
-end
-
-function BaseActor:setGravity(grav)
-  -- It's basically now a function with two roles at once :
-  -- - activate the gravity
-  -- - use the gravity value the dev want
-
-  self.grav = grav or self.world.gravity.grav
-end
-
-function BaseActor:applyGravity(dt)
-  -- Empty function in baseactor
-end
-
-function BaseActor:checkGround()
-  -- Empty function in baseactor
-end
-
--- UPDATE FUNCTIONS
--- Theses functions are activated every steps
-
-function BaseActor:updateStart(dt)
-
-end
-
-function BaseActor:update(dt)
-  self:updateStart(dt)
-  self:updateTimers(dt)
-  self:autoMove(dt)
-  self:updateSprite(dt)
-  self:updateEnd(dt)
-end
-
-function BaseActor:updateEnd(dt)
-
-end
-
-function BaseActor:autoMove(dt)
-  -- The base actor don't have coordinate
-  -- so the autoMove is only usefull to its
-  -- 2D and 3D childrens
-end
-
--- INPUT FUNCTIONS
--- get input from the world object
-
-function BaseActor:initKeys()
-  self.keys = core.input.fakekeys
-end
-
-function BaseActor:getInput(keys)
-  self.keys = keys or core.input.fakekeys
-end
-
--- TIMER FUNCTIONS
--- Control the integrated timers of the actor
-
-function BaseActor:initTimers()
-  self.timers = core.modules.Timers(self)
-end
-
-function BaseActor:addTimer(name, t)
-  core.debug:logWarn("actor", "function actor:addTimer is deprecated, prefer actor.timers:newTimer")
-  self.timers:newTimer(t, name)
-end
-
-function BaseActor:updateTimers(dt)
-  self.timers:update(dt)
-end
-
-function BaseActor:timerResponse(name)
-  -- here come the timer responses
-end
-
--- HITBOX FUNCTIONS
--- All functions to handle hitboxes
-
-function BaseActor:initHitboxes()
-  self:initMainHitbox()
-
-  self.hitboxes = {}
-  self.hitboxListFile = ""
-  self.hitboxList = nil
-end
-
-function BaseActor:initMainHitbox()
-  -- Empty function : don't load ANY real hitbox function into baseactor
-end
-
-function BaseActor:setHitboxFile(file)
-  self.hitboxList = require(file)
-  self.hitboxListFile = file
-end
-
-function BaseActor:getAutomaticHitboxLoading()
-  return (self.hitboxList ~= nil)
-end
-
-function BaseActor:getHitboxFile()
-  return self.hitboxListFile
-end
-
-function BaseActor:getHitboxList(animation, frame)
-  if (animation == nil) or (self.hitboxList == nil) then
-    return self.hitboxList
-  else
-    local list = self.hitboxList[animation]
-
-    if (frame == nil) or (list == nil) then
-      return list
-    else
-      return list[frame]
-    end
-  end
-end
-
-function BaseActor:updateHitboxes()
-  if (self.hitboxList ~= nil) then
-    self:purgeHitbox()
-    local animation, frame
-    animation = self.sprite:getCurrentAnimation()
-    frame     = self.sprite:getRelativeFrame()
-    local hitboxList = self:getHitboxList(animation, frame)
-
-    if (hitboxList ~= nil) then
-      for i,v in ipairs(hitboxList) do
-        self:addHitboxFromFrameData(v, animation, frame, i)
-      end
-    end
-  end
-end
-
-function BaseActor:checkHitboxesCollisions(filter)
-  for k,v in pairs(self.hitboxes) do
-    self:checkHitboxCollisions(k, filter)
-  end
-end
-
-function BaseActor:hitboxResponse(name, type, collision)
-  -- just a blank placeholder function
-end
-
-function BaseActor:removeHitbox(name)
-  if (self.hitboxes[name] ~= nil) then
-    self.hitboxes[name]:destroy()
-    self.hitboxes[name] = nil
-  end
-end
-
-function BaseActor:purgeHitbox()
-  for k,v in pairs(self.hitboxes) do
-    v:destroy()
-  end
-  self.hitboxes = {}
-end
-
-function BaseActor:drawHitboxes()
-  for k,v in pairs(self.hitboxes) do
-    v:draw()
-  end
-  self:drawMainHitbox()
-end
-
-function BaseActor:drawMainHitbox()
-  if (self.mainHitbox ~= nil) then
-    self.mainHitbox:draw()
-  end
-end
-
--- DRAW FUNCTIONS
--- Draw the actors.
-
-function BaseActor:drawStart()
-
-end
-
-function BaseActor:draw()
-  self:drawStart()
-  self:drawEnd()
-end
-
-function BaseActor:drawEnd()
-
-end
-
-function BaseActor:drawHUD(id, height, width)
-
-end
-
--- SPRITES FUNCTIONS
--- Handle the sprite of the actor
-
-function BaseActor:setSprite(spritename, isClone, ox, oy)
-  self.sprite = Sprite(self, spritename, ox, oy)
-  if (isClone) then
-    self.sprite:clone()
-  end
-end
-
-function BaseActor:changeAnimation(animation, restart)
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:changeAnimation is deprecated, prefer BaseActor.sprite:changeAnimation()")
-    self.sprite:changeAnimation(animation, restart)
-  end
-end
-
-function BaseActor:animationEnded(animation)
-  -- Empty placeholder function
-end
-
-function BaseActor:setCustomSpeed(customSpeed)
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:setCustomSpeed is deprecated, prefer BaseActor.sprite:setCustomSpeed()")
-    self.sprite:setCustomSpeed(customSpeed)
-  end
-end
-
-function BaseActor:updateSprite(dt)
-  if (self.sprite ~= nil) then
-    self.sprite:update(dt)
-  end
-end
-
-function BaseActor:getCurrentAnimation()
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:getCurrentAnimation is deprecated, prefer BaseActor.sprite:getCurrentAnimation()")
-    return self.sprite:getCurrentAnimation()
-  end
-end
-
-function BaseActor:getSpriteScalling()
-  core.debug:logWarn("actor", "the function BaseActor:getSpriteScalling is deprecated, prefer BaseActor.sprite:getScalling()")
-  return self.sprite:getScalling()
-end
-
-function BaseActor:getFrame()
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:getFrame is deprecated, prefer BaseActor.sprite:getFrame()")
-    return self.sprite:getFrame()
-  end
-end
-
-function BaseActor:getRelativeFrame()
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:getRelativeFrame is deprecated, prefer BaseActor.sprite:getRelativeFrame()")
-    return self.sprite:getRelativeFrame()
-  end
-end
-
-function BaseActor:getAnimationDuration()
-  if (self.sprite ~= nil) then
-    core.debug:logWarn("actor", "the function BaseActor:getAnimationDuration is deprecated, prefer BaseActor.sprite:getAnimationDuration()")
-    return self.sprite:getAnimationDuration()
-  end
-end
-
-function BaseActor:drawSprite(x, y, r, sx, sy, ox, oy, kx, ky)
-  if (self.sprite ~= nil) then
-    self.sprite:draw(x, y, r, sx, sy, ox, oy, kx, ky)
-  end
-end
-
-return BaseActor

birb/modules/world/actors/gfx2D.lua

@@ -26,7 +26,8 @@ local Actor2D = require(cwd .. "actor2D")
 local GFX     = Actor2D:extend()
 
 function GFX:new(world, x, y, spritename)
-  local width, height = world.scene.assets.sprites[spritename]:getDimensions()
+  local baseSprite = world.scene.assets:getWithType(spritename, "sprite")
+  local width, height = baseSprite:getDimensions()
 
   GFX.super.new(self, world, "gfx", x - (width/2), y - (height/2), width, height)
   self:setSprite(spritename, true)

birb/modules/world/actors/gfx3D.lua

@@ -26,7 +26,8 @@ local Actor3D = require(cwd .. "actor3D")
 local GFX     = Actor3D:extend()
 
 function GFX:new(world, x, y, z, spritename)
-  local width, height = world.scene.assets.sprites[spritename]:getDimensions()
+  local baseSprite = world.scene.assets:getWithType(spritename, "sprite")
+  local width, height = baseSprite:getDimensions()
 
   GFX.super.new(self, world, "gfx", x - (width/2), y - (width/2), z - (height/2), width, width, height)
   self:setSprite(spritename, true)

birb/modules/world/actors/mixins/base.lua

@@ -0,0 +1,114 @@
+-- BaseActor.lua :: the global implementation of an actor. Basically, it abstract
+-- everything that isn't only 2D or 3D related to the actor system.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local BaseActor = Object:extend()
+
+-- INIT FUNCTIONS
+-- Initialise the actor and its base functions
+
+function BaseActor:init(world, type)
+  self.type     = type or ""
+  self.depth    = 0
+
+  self:setManagers(world)
+  self:initKeys()
+
+  self:setDebugColor(1, 1, 1)
+  self:register()
+
+  self.updateFunctions = {}
+end
+
+function BaseActor:setManagers(world)
+  self.world  = world
+  self.scene  = world.scene
+  self.obj    = world.obj
+  self.assets = self.scene.assets
+end
+
+function BaseActor:setDebugColor(r,g,b)
+  self.debug = {}
+  self.debug.r = r
+  self.debug.g = g
+  self.debug.b = b
+end
+
+function BaseActor:register()
+  self.world:registerActor(self)
+  self.isDestroyed = false
+end
+
+function BaseActor:destroy()
+  self.world:removeActor(self)
+  self.isDestroyed = true
+end
+
+-- UPDATE FUNCTIONS
+-- Theses functions are activated every steps
+
+function BaseActor:updateStart(dt)
+
+end
+
+function BaseActor:update(dt)
+  self:updateStart(dt)
+  self:applyUpdateFunctions(dt)
+  self:updateEnd(dt)
+end
+
+function BaseActor:addUpdateFunction(func)
+  table.insert(self.updateFunctions, func)
+end
+
+function BaseActor:applyUpdateFunctions(dt)
+  for key, func in ipairs(self.updateFunctions) do
+    func(self, dt)
+  end
+end
+
+function BaseActor:updateEnd(dt)
+
+end
+
+-- DRAW FUNCTIONS
+-- Draw the actors.
+
+function BaseActor:drawStart()
+
+end
+
+function BaseActor:draw()
+  self:drawStart()
+  self:drawEnd()
+end
+
+function BaseActor:drawEnd()
+
+end
+
+function BaseActor:drawHUD(id, height, width)
+
+end
+
+return BaseActor

birb/modules/world/actors/mixins/inputs.lua

@@ -0,0 +1,34 @@
+-- SpritedActor.lua :: Get input from the world object.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local InputActor = Object:extend()
+
+function InputActor:initKeys()
+    self.keys = core.input.fakekeys
+end
+
+function InputActor:getInput(keys)
+    self.keys = keys or core.input.fakekeys
+end
+
+return InputActor

birb/modules/world/actors/mixins/physics.lua

@@ -0,0 +1,289 @@
+PhysicalActor = Object:extend()
+
+-- PHYSICS FUNCTIONS
+-- Raw implementation of everything common in physics
+
+function PhysicalActor:initPhysics(hitboxObj, x, y, z, w, h, d, isSolid)
+    self:setCoordinate(x, y, z)
+
+    self.isSolid = isSolid or false
+
+    self.w = w or 0
+    self.h = h or 0
+    self.d = d or 0
+
+    self.xsp = 0
+    self.ysp = 0
+    self.zsp = 0
+
+    self.xfrc = 0
+    self.yfrc = 0
+    self.zfrc = 0
+
+    self:initGravity()
+    self:initHitboxes(hitboxObj)
+
+    self:setBounceFactor()
+    self:setFilter()
+
+    self:addUpdateFunction(self.autoMove)
+end
+
+function PhysicalActor:setCoordinate(x, y, z, w, h, d)
+    self.x = x or self.x
+    self.y = y or self.y
+    self.z = z or self.z
+end
+
+function PhysicalActor:setBounceFactor(newBounceFactor)
+    self.bounceFactor = newBounceFactor or 0
+end
+
+function PhysicalActor:setFilter()
+    -- Init the bump filter
+    self.filter = function(item, other)
+        if (other.owner == self) then
+            -- ignore every collision with our own hitboxes
+            return nil
+        elseif (other.isSolid) then
+            return "slide"
+        else
+            return "cross"
+        end
+    end
+end
+
+function PhysicalActor:getFuturePosition(dt)
+    local dx, dy, dz
+    dx = self.x + self.xsp * dt
+    dy = self.y + self.ysp * dt
+    dz = self.z + self.zsp * dt
+
+    return dx, dy, dz
+end
+
+function PhysicalActor:applyFriction(dt)
+    self.xsp = utils.math.toZero(self.xsp, self.xfrc * dt)
+    self.ysp = utils.math.toZero(self.ysp, self.yfrc * dt)
+    self.zsp = utils.math.toZero(self.zsp, self.zfrc * dt)
+end
+
+function PhysicalActor:solveAllCollisions(cols)
+    for i, col in ipairs(cols) do
+        self:collisionResponse(col)
+        if (col.type == "touch") or (col.type == "bounce") or (col.type == "slide") then
+            self:changeSpeedToCollisionNormal(col.normal)
+        end
+    end
+end
+
+function PhysicalActor:collisionResponse(collision)
+    -- here come the response to the collision
+end
+
+function PhysicalActor:changeSpeedToCollisionNormal(normal)
+    -- Empty function in PhysicalActor
+end
+
+-- COORDINATE/MOVEMENT FUNCTIONS
+-- Handle coordinate
+-- Will be replaced by functions inside Actors or Rects/Point
+
+function PhysicalActor:getCenter()
+    return (self.x + (self.w / 2)), (self.y + (self.h / 2)), (self.z + (self.d / 2))
+end
+
+function PhysicalActor:getViewCenter()
+    return self:getCenter()
+end
+
+-- GRAVITY SYSTEM FUNCTIONS
+-- All functions related to gravity
+
+function PhysicalActor:initGravity()
+    if (self.world.gravity.isDefault) then
+        self.grav = self.world.gravity.grav
+    else
+        self.grav = 0
+    end
+
+    self.onGround = false
+end
+
+function PhysicalActor:setGravity(grav)
+    -- It's basically now a function with two roles at once :
+    -- - activate the gravity
+    -- - use the gravity value the dev want
+
+    self.grav = grav or self.world.gravity.grav
+end
+
+function PhysicalActor:applyGravity(dt)
+    -- Empty function in PhysicalActor
+end
+
+function PhysicalActor:checkGround()
+    -- Empty function in PhysicalActor
+end
+
+function PhysicalActor:autoMove(dt)
+    self:updateHitboxes()
+    self.onGround = false
+    self:applyGravity(dt)
+
+    local cols, colNumber = self:moveToFuturePosition(dt)
+
+    -- apply after the movement the friction, until the player stop
+    -- note: the friction is applied according to the delta time,
+    -- thus the friction should be how much speed is substracted in 1 second
+
+    self:solveAllCollisions(cols)
+
+    self:applyFriction(dt)
+end
+
+-- HITBOX FUNCTIONS
+-- All functions to handle hitboxes
+
+function PhysicalActor:initHitboxes(hitboxObj)
+    self.Hitbox = hitboxObj
+    self:initMainHitbox()
+
+    self.hitboxes = {}
+    self.hitboxListFile = ""
+    self.hitboxList = nil
+end
+
+function PhysicalActor:initMainHitbox()
+    -- Empty function : don't load ANY real hitbox function into PhysicalActor
+end
+
+function PhysicalActor:setHitboxFile(file)
+    self.hitboxList = require(file)
+    self.hitboxListFile = file
+end
+
+function PhysicalActor:getAutomaticHitboxLoading()
+    return (self.hitboxList ~= nil)
+end
+
+function PhysicalActor:getHitboxFile()
+    return self.hitboxListFile
+end
+
+function PhysicalActor:getHitboxList(animation, frame)
+    if (animation == nil) or (self.hitboxList == nil) then
+        return self.hitboxList
+    else
+        local list = self.hitboxList[animation]
+
+        if (frame == nil) or (list == nil) then
+            return list
+        else
+            return list[frame]
+        end
+    end
+end
+
+function PhysicalActor:addHitboxFromFrameData(framedata, animationID, frameID, hitboxID)
+    local sx, sy = self.sprite:getScalling()
+    local type = framedata[1]
+    local box = framedata[2]
+    local isSolid = framedata[3] or false
+    local anim = animationID or "null"
+    local frame = frameID or 0
+    local id = hitboxID or 0
+
+    if (type == "main") then
+        self.mainHitbox:setFromData(box, sx, sy)
+    else
+        local hitboxName = anim .. frame .. type .. id
+        self:addHitbox(hitboxName, type, box, sx, sy, isSolid)
+        return hitboxName
+    end
+end
+
+function PhysicalActor:initMainHitbox()
+    self.mainHitbox = self.Hitbox(self, self.type, self:packForHitbox(), 0, 0, self.isSolid)
+    self.mainHitbox:advertiseAsMainHitbox()
+end
+
+function PhysicalActor:addHitbox(name, type, data, sx, sy, isSolid)
+    if (self.hitboxes[name] ~= nil) then
+        core.debug:logWarn("PhysicalActor", "the hitbox " .. name .. " already exists")
+    else
+        local hitbox = self.Hitbox(self, type, data, sx, sy, isSolid)
+        self.hitboxes[name] = hitbox
+        return hitbox
+    end
+end
+
+function PhysicalActor:updateHitboxes()
+    if (self.hitboxList ~= nil) then
+        self:purgeHitbox()
+        local animation, frame
+        animation = self.sprite:getCurrentAnimation()
+        frame = self.sprite:getRelativeFrame()
+        local hitboxList = self:getHitboxList(animation, frame)
+
+        if (hitboxList ~= nil) then
+            for i, v in ipairs(hitboxList) do
+                self:addHitboxFromFrameData(v, animation, frame, i)
+            end
+        end
+    end
+end
+
+function PhysicalActor:checkHitboxesCollisions(filter)
+    for k, v in pairs(self.hitboxes) do
+        self:applyHitboxCollisions(k, filter)
+    end
+end
+
+function PhysicalActor:applyHitboxCollisions(name, filter)
+    local cols, colNumber = {}, 0
+    local filter = filter or self.filter
+    if (self.isDestroyed == false) and (self.hitboxes[name] ~= nil) then
+        cols, colNumber = self.hitboxes[name]:checkCollision(filter)
+        local type = self.hitboxes[name].type
+
+        for i, col in ipairs(cols) do
+            self:hitboxResponse(name, type, col)
+        end
+    end
+
+    return cols, colNumber
+end
+
+function PhysicalActor:hitboxResponse(name, type, collision)
+    -- just a blank placeholder function
+end
+
+function PhysicalActor:removeHitbox(name)
+    if (self.hitboxes[name] ~= nil) then
+        self.hitboxes[name]:destroy()
+        self.hitboxes[name] = nil
+    end
+end
+
+function PhysicalActor:purgeHitbox()
+    for k, v in pairs(self.hitboxes) do
+        v:destroy()
+    end
+    self.hitboxes = {}
+end
+
+function PhysicalActor:drawHitboxes()
+    for k, v in pairs(self.hitboxes) do
+        v:draw()
+    end
+    self:drawMainHitbox()
+end
+
+function PhysicalActor:drawMainHitbox()
+    if (self.mainHitbox ~= nil) then
+        self.mainHitbox:draw()
+    end
+end
+
+return PhysicalActor

birb/modules/world/actors/mixins/sprites.lua

@@ -0,0 +1,101 @@
+-- SpritedActor.lua :: Handle the sprite of the actor.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local SpritedActor = Object:extend()
+local Sprite  = require("birb.modules.world.actors.utils.sprites")
+
+function SpritedActor:initSprite()
+    self:addUpdateFunction(self.updateSprite)
+end
+
+function SpritedActor:setSprite(spritename, isClone, ox, oy)
+    self.sprite = Sprite(self, spritename, ox, oy)
+    if (isClone) then
+        self.sprite:clone()
+    end
+end
+
+function SpritedActor:changeAnimation(animation, restart)
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:changeAnimation is deprecated, prefer SpritedActor.sprite:changeAnimation()")
+        self.sprite:changeAnimation(animation, restart)
+    end
+end
+
+function SpritedActor:animationEnded(animation)
+    -- Empty placeholder function
+end
+
+function SpritedActor:setCustomSpeed(customSpeed)
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:setCustomSpeed is deprecated, prefer SpritedActor.sprite:setCustomSpeed()")
+        self.sprite:setCustomSpeed(customSpeed)
+    end
+end
+
+function SpritedActor:updateSprite(dt)
+    if (self.sprite ~= nil) then
+        self.sprite:update(dt)
+    end
+end
+
+function SpritedActor:getCurrentAnimation()
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:getCurrentAnimation is deprecated, prefer SpritedActor.sprite:getCurrentAnimation()")
+        return self.sprite:getCurrentAnimation()
+    end
+end
+
+function SpritedActor:getSpriteScalling()
+    core.debug:logWarn("actor", "the function SpritedActor:getSpriteScalling is deprecated, prefer SpritedActor.sprite:getScalling()")
+    return self.sprite:getScalling()
+end
+
+function SpritedActor:getFrame()
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:getFrame is deprecated, prefer SpritedActor.sprite:getFrame()")
+        return self.sprite:getFrame()
+    end
+end
+
+function SpritedActor:getRelativeFrame()
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:getRelativeFrame is deprecated, prefer SpritedActor.sprite:getRelativeFrame()")
+        return self.sprite:getRelativeFrame()
+    end
+end
+
+function SpritedActor:getAnimationDuration()
+    if (self.sprite ~= nil) then
+        core.debug:logWarn("actor", "the function SpritedActor:getAnimationDuration is deprecated, prefer SpritedActor.sprite:getAnimationDuration()")
+        return self.sprite:getAnimationDuration()
+    end
+end
+
+function SpritedActor:drawSprite(x, y, r, sx, sy, ox, oy, kx, ky)
+    if (self.sprite ~= nil) then
+        self.sprite:draw(x, y, r, sx, sy, ox, oy, kx, ky)
+    end
+end
+
+return SpritedActor

birb/modules/world/actors/mixins/timers.lua

@@ -0,0 +1,47 @@
+-- TimedActor.lua :: Handle the sprite of the actor.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local TimedActor = Object:extend()
+
+-- TIMER FUNCTIONS
+-- Control the integrated timers of the actor
+
+function TimedActor:initTimers()
+    self.timers = core.modules.Timers(self)
+    self:addUpdateFunction(self.updateTimers)
+end
+
+function TimedActor:addTimer(name, t)
+    core.debug:logWarn("actor", "function actor:addTimer is deprecated, prefer actor.timers:newTimer")
+    self.timers:newTimer(t, name)
+end
+
+function TimedActor:updateTimers(dt)
+    self.timers:update(dt)
+end
+
+function TimedActor:timerResponse(name)
+    -- here come the timer responses
+end
+
+return TimedActor

birb/modules/world/actors/utils/boxes/textured.lua

@@ -29,8 +29,8 @@ local TexturedBox = Box3D:extend()
 function TexturedBox:new(owner, w, h, d, topTexture, bottomTexture)
   local bottomTexture = bottomTexture or topTexture
 
-  self.topTexture     = owner.assets.images[topTexture]
-  self.bottomTexture  = owner.assets.images[bottomTexture]
+  self.topTexture     = owner.assets:getWithType(topTexture, "texture")
+  self.bottomTexture  = owner.assets:getWithType(bottomTexture, "texture")
 
   TexturedBox.super.new(self, owner, w, h, d)
   self.haveLine = false

birb/modules/world/actors/utils/hitbox2D.lua

@@ -27,16 +27,13 @@ local Hitbox2D = Object:extend()
 -- INIT FUNCTIONS
 -- Initialise the actor and its base functions
 
-function Hitbox2D:new(owner, type, ox, oy, w, h, isSolid)
+function Hitbox2D:new(owner, type, data, sx, sy, isSolid)
   self.owner    = owner
   self.world    = owner.world
 
   self.type     = type
-  self.ox       = ox
-  self.oy       = oy
+  self:setFromData(data, sx, sy)
   self.x, self.y = self:getPosition()
-  self.w        = w
-  self.h        = h
   self.isSolid  = isSolid
 
   self.isMainHitBox = false
@@ -45,6 +42,24 @@ function Hitbox2D:new(owner, type, ox, oy, w, h, isSolid)
   self:register()
 end
 
+function Hitbox2D:setFromData(data, sx, sy)
+  local sx = sx or 0
+  local sy = sy or 0
+
+  self.ox = data[1]
+  self.oy = data[2]
+  self.w = data[3]
+  self.h = data[4]
+
+  if (sx < 0) then
+    self.ox = self.owner.w - self.ox - self.w
+  end
+
+  if (sy < 0) then
+    self.oy = self.owner.h - self.oy - self.h
+  end
+end
+
 function Hitbox2D:advertiseAsMainHitbox()
   self.isMainHitBox = true
 end
@@ -100,7 +115,12 @@ end
 -- COLLISION FUNCTIONS
 -- Handle Hitbox position
 
-function Hitbox2D:checkCollision(dx, dy, filter)
+function Hitbox2D:checkCollision(filter)
+  local _, _, cols, colNumber = self:checkCollisionAtPoint(self.owner.x, self.owner.y, filter)
+  return cols, colNumber
+end
+
+function Hitbox2D:checkCollisionAtPoint(dx, dy, filter)
   self:updatePosition()
 
   local dx, dy = self.ox + dx, self.oy + dy
@@ -117,6 +137,8 @@ function Hitbox2D:draw()
   local x, y = self:getPosition()
   love.graphics.setColor(self.debug.r, self.debug.g, self.debug.b, 1)
   utils.graphics.box(x, y, self.w, self.h)
+  love.graphics.setColor(1, 1, 1, 1)
+  love.graphics.points(x, y)
   utils.graphics.resetColor()
 end
 

birb/modules/world/actors/utils/hitbox3D.lua

@@ -27,18 +27,13 @@ local Hitbox3D = Object:extend()
 -- INIT FUNCTIONS
 -- Initialise the actor and its base functions
 
-function Hitbox3D:new(owner, type, ox, oy, oz, w, h, d, isSolid)
+function Hitbox3D:new(owner, type, data, sx, sy, isSolid)
   self.owner    = owner
   self.world    = owner.world
 
   self.type     = type
-  self.ox       = ox
-  self.oy       = oy
-  self.oz       = oz
+  self:setFromData(data, sx, sy)
   self.x, self.y, self.z = self:getPosition()
-  self.w        = w
-  self.h        = h
-  self.d        = d
   self.isSolid  = isSolid
 
   self.isMainHitBox = false
@@ -47,6 +42,25 @@ function Hitbox3D:new(owner, type, ox, oy, oz, w, h, d, isSolid)
   self:register()
 end
 
+function Hitbox3D:setFromData(data, sx, sy)
+  local sx = sx or 0
+  local sy = sy or 0
+
+  self.ox = data[1]
+  self.oy = data[2]
+  self.oz = data[3]
+  self.w = data[4]
+  self.h = data[5]
+  self.d = data[6]
+
+  if (sx < 0) then
+    self.ox = self.owner.w - self.ox - self.w
+  end
+  if (sy < 0) then
+    self.oz = self.owner.d - self.oz - self.d
+  end
+end
+
 function Hitbox3D:advertiseAsMainHitbox()
   self.isMainHitBox = true
 end
@@ -104,7 +118,12 @@ end
 -- COLLISION FUNCTIONS
 -- Handle Hitbox position
 
-function Hitbox3D:checkCollision(dx, dy, dz, filter)
+function Hitbox3D:checkCollision(filter)
+  local _, _, _, cols, colNumber = self:checkCollisionAtPoint(self.owner.x, self.owner.y, self.owner.z, filter)
+  return cols, colNumber
+end
+
+function Hitbox3D:checkCollisionAtPoint(dx, dy, dz, filter)
   self:updatePosition()
 
   local dx, dy = self.ox + dx, self.oy + dy, self.oz + dz

birb/modules/world/actors/utils/sprites.lua

@@ -17,7 +17,8 @@ end
 
 function Sprite:clone()
   if self.name ~= nil then
-    self.spriteClone = self.assets.sprites[self.name]:clone()
+    local baseSprite = self.assets:getWithType(self.name, "sprite")
+    self.spriteClone = baseSprite:clone()
     self.spriteClone:setCallbackTarget(self.owner)
   end
 end
@@ -110,7 +111,8 @@ function Sprite:draw(x, y, r, sx, sy, ox, oy, kx, ky)
     if (self.spriteClone ~= nil) then
       self.spriteClone:draw(x, y, r, sx, sy, ox, oy, kx, ky)
     else
-      self.assets.sprites[self.name]:drawAnimation(x, y, r, sx, sy, ox, oy, kx, ky)
+      local sprite = self.assets:getWithType(self.name, "sprite")
+      sprite:drawAnimation(x, y, r, sx, sy, ox, oy, kx, ky)
     end
   end
 end

birb/objects/2D/indexedrect.lua

@@ -0,0 +1,68 @@
+-- indexedrect.lua :: An indexed rectangle is a rectangle indexed to a point,
+-- Basically a rectangle that have its coordinate recalculated from an existing
+-- point
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Rect = require "birb.objects.2D.rect"
+local IndexedRect = Rect:extend()
+
+function IndexedRect:new(origin, ox, oy, w, h)
+    self.setOrigin(origin)
+    self.ox = ox
+    self.oy = oy
+    local x, y = self:getPosition()
+    IndexedRect.super.new(self, x, y, w, h)
+end
+
+function IndexedRect:setRelativePosition(ox, oy)
+    self.ox = ox or self.ox
+    self.oy = oy or self.oy
+end
+
+function IndexedRect:setOrigin(origin)
+    self.origin = origin
+    -- We should check if the origin is really a point
+end
+
+function IndexedRect:getOrigin(origin)
+    return self.origin
+end
+
+function IndexedRect:getPosition()
+    return self.origin.x + self.ox, self.origin.y + self.oy
+end
+
+function IndexedRect:updateRect()
+    local x, y = self:getPosition()
+    self:setPosition(x, y)
+    return x, y, self.w, self.h
+end
+
+function IndexedRect:modify(ox, oy, w, h)
+    self.ox = ox
+    self.oy = oy
+    self:setSize(w, h)
+    self:updateRect()
+end
+
+return IndexedRect

birb/objects/2D/point.lua

@@ -0,0 +1,71 @@
+-- point.lua :: a 2D point.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Point = Object:extend()
+
+function Point:new(x, y)
+    self.x, self.y = x, y
+end
+
+function Point:setPosition(x, y)
+    self.x, self.y = x, y
+end
+
+function Point:move(x, y)
+    local x = x or 0
+    local y = y or 0
+    self:setPosition(self.x + x, self.y + y)
+end
+
+function Point:getPosition()
+    return self.x, self.y
+end
+
+function Point:getDistance(x, y)
+    return utils.math.pointDistance(self.x, self.y, x, y)
+end
+
+function Point:getDistanceFromPoint(other)
+    local x, y = other:getPosition()
+    self:getDistance(x, y)
+end
+
+function Point:getDirection(x, y)
+    return utils.math.pointDirection(self.x, self.y, x, y)
+end
+
+function Point:getDirectionFromPoint(other)
+    local x, y = other:getPosition()
+    self:getDirection(x, y)
+end
+
+function Point:getMiddlePoint(x, y)
+    return utils.math.getMiddlePoint(self.x, self.y, x, y)
+end
+
+function Point:getDirectionFromPoint(other)
+    local x, y = other:getPosition()
+    self:getMiddlePoint(x, y)
+end
+
+return Point

birb/objects/2D/rect.lua

@@ -0,0 +1,65 @@
+-- rect.lua :: a 2D rectangle.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Point = require "birb.objects.2D.point"
+local Rect = Point:extend()
+
+function Rect:new(x, y, w, h)
+    Rect.super.new(self, x, y)
+    self:setSize(w, h)
+end
+
+function Rect:setSize(w, h)
+    self.w = w or self.w
+    self.h = h or self.h
+end
+
+function Rect:getArea()
+    local x, y = self:getPosition()
+    return x, y, self.w, self.h
+end
+
+function Rect:getCorners()
+    local x, y, w, h = self:getArea()
+    return x, y, x + w, y + h
+end
+
+function Rect:getCenter()
+    local x, y, w, h = self:getArea()
+    return math.floor(x + (w/2)), math.floor(y + (h/2))
+end
+
+function Rect:areCoordInside(dx, dy)
+    local x, y, w, h = self:getArea()
+    return ((dx > x) and (dx < x + w) and (dy > y) and (dy < y + h))
+end
+
+function Rect:getRelativeCoordinate(dx, dy)
+    return dx - self.x, dy - self.y
+end
+
+function Rect:drawBox()
+    utils.graphics.box(self.x, self.y, self.w, self.h)
+end
+
+return Rect

birb/utils/math.lua

@@ -87,7 +87,6 @@ function Math.pointDistance(x1, y1, x2, y2)
   vecy = math.max(y1, y2) - math.min(y1, y2)
 
   return math.sqrt(vecx^2 + vecy^2)
-
 end
 
 function Math.pointDirection(x1,y1,x2,y2)
@@ -99,6 +98,34 @@ function Math.pointDirection(x1,y1,x2,y2)
   return angle
 end
 
+-- 3D MATH FUNCTIONS
+-- Basic math calculations
+
+function Math.getMiddlePoint3D(x1, y1, z1, x2, y2, z2)
+  local newx, newy, newz, vecx, vecy, vecz
+
+  vecx = math.max(x1, x2) - math.min(x1, x2)
+  vecy = math.max(y1, y2) - math.min(y1, y2)
+  vecz = math.max(z1, z2) - math.min(z1, z2)
+
+  newx = math.min(x1, x2) + (vecx / 2)
+  newy = math.min(y1, y2) + (vecy / 2)
+  newz = math.min(z1, z2) + (vecz / 2)
+
+  return newx, newy, newz
+end
+
+function Math.pointDistance3D(x1, y1, z1, x2, y2, z2)
+  local vecx, vecy, vecz
+
+  vecx = math.max(x1, x2) - math.min(x1, x2)
+  vecy = math.max(y1, y2) - math.min(y1, y2)
+  vecz = math.max(z1, z2) - math.min(z1, z2)
+
+  return math.sqrt(vecx^2 + vecy^2 + vecz^2)
+
+end
+
 -- STRING FUNCTIONS
 -- Transform into string numbers
 

examples/scenes/gameplay/action3D/actors/hitboxes/player.lua

@@ -1,13 +1,13 @@
 return {
   ["idle"] = {
     {
-      {"main", 0, 0, 0, 16, 16, 24, true}
+      {"main", {0, 0, 0, 16, 16, 24}, true}
     }
   },
   ["punch"] = {
     {
-      {"main", 0, 0, 0, 16, 16, 24, true},
-      {"punch", 16, 2, 6, 12, 12, 12, false}
+      {"main", {0, 0, 0, 16, 16, 24}, true},
+      {"punch", {16, 2, 6, 12, 12, 12}, false}
     }
   }
 }

examples/scenes/gameplay/plateform/actors/hitboxes/player.lua

@@ -1,13 +1,13 @@
 return {
   ["idle"] = {
     {
-      {"main", 0, 0, 16, 24, true}
+      {"main", {0, 0, 16, 24}, true}
     }
   },
   ["punch"] = {
     {
-      {"main", 0, 0, 16, 24, true},
-      {"punch", 16, 6, 12, 12, false}
+      {"main", {0, 0, 16, 24}, true},
+      {"punch", {16, 6, 12, 12}, false}
     }
   }
 }

examples/scenes/gameplay/plateform/pause.lua

@@ -24,7 +24,7 @@ end
 
 function ResumeWidget:new(menu)
   self.scene = menu.scene
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   local label = "resume"
   ResumeWidget.super.new(self, menu, font, label)
 end
@@ -36,7 +36,7 @@ end
 
 function RestartWidget:new(menu)
   self.scene = menu.scene
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   local label = "restart"
   RestartWidget.super.new(self, menu, font, label)
 end
@@ -48,7 +48,7 @@ end
 
 function ExitWidget:new(menu)
   self.scene = menu.scene
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   local label = "exit"
   ExitWidget.super.new(self, menu, font, label)
 end

examples/scenes/mainmenu/init.lua

@@ -97,7 +97,7 @@ end
 function SubMenuWidget:new(scene, menu, newmenu, fullname, order)
   self.scene = scene
   local widgetmenu  = self.scene.menusystem.menus[menu]
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   self.newmenu      = newmenu
   local label = ""
   if fullname == "back" then
@@ -122,7 +122,7 @@ function SceneWidget:new(scene, menu, newscene, fullname, args)
   self.scene  = scene
   self.args   = args
   local widgetmenu  = self.scene.menusystem.menus[menu]
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   self.newscene     = newscene
   local label       = core.lang:translate("mainmenu", fullname)
   SceneWidget.super.new(self, widgetmenu, font, label)
@@ -139,7 +139,7 @@ end
 function ExitWidget:new(scene, menu)
   self.scene = scene
   local widgetmenu  = self.scene.menusystem.menus[menu]
-  local font        = self.scene.assets.fonts["medium"]
+  local font        = self.scene.assets:getFont("medium")
   local label       = core.lang:translate("commons", "exit")
   SceneWidget.super.new(self, widgetmenu, font, label)
 end