From 42738cc7c9b2e0650e370c12e350a9bb4b176e4a Mon Sep 17 00:00:00 2001
From: Reuh <email.thomas99@gmail.com>
Date: Sat, 24 Dec 2016 21:15:27 +0100
Subject: [PATCH] abstract is ded

---
 backend/ctrulua.lua |  14 +--
 backend/love.lua    |  38 +++-----
 config.ld           |  10 +--
 draw.lua            |   8 +-
 init.lua            |  34 +++----
 input.lua           | 214 ++++++++++++++++++++++++++++++++------------
 scene.lua           |  22 ++---
 time.lua            |  14 +--
 8 files changed, 219 insertions(+), 135 deletions(-)

diff --git a/backend/ctrulua.lua b/backend/ctrulua.lua
index 8106b05..c0fc558 100644
--- a/backend/ctrulua.lua
+++ b/backend/ctrulua.lua
@@ -1,7 +1,7 @@
---- ctrµLua backend 0.0.1 for Abstract.
--- Provides a partial abstract API. Still a lot to implement.
--- Made for some ctrµLua version and abstract 0.0.1.
--- See `abstract` for Abstract API.
+--- ctrµLua backend 0.0.1 for Ubiquitousse.
+-- Provides a partial Ubiquitousse API. Still a lot to implement.
+-- Made for some ctrµLua version and Ubiquitousse 0.0.1.
+-- See `ubiquitousse` for Ubiquitousse API.
 
 -- General
 local version = "0.0.1"
@@ -15,7 +15,7 @@ local gfx = require("ctr.gfx")
 do
 	local function checkCompat(stuffName, expectedVersion, actualVersion)
 		if actualVersion ~= expectedVersion then
-			local txt = ("Abstract ctrµLua backend version "..version.." was made for %s %s but %s is used!\nThings may not work as expected.")
+			local txt = ("Ubiquitousse ctrµLua backend version "..version.." was made for %s %s but %s is used!\nThings may not work as expected.")
 			            :format(stuffName, expectedVersion, actualVersion)
 			print(txt)
 			for _=0,300 do
@@ -26,8 +26,8 @@ do
 			end
 		end
 	end
-	-- checkCompat("ctrµLua", "", ("%s.%s.%s"):format(love.getVersion())) -- not really a version, just get the latest build
-	checkCompat("abstract", "0.0.1", uqt.version)
+	checkCompat("ctrµLua", "v1.0", ctr.version) -- not really a version, just get the latest build
+	checkCompat("Ubiquitousse", "0.0.1", uqt.version)
 end
 
 -- Redefine all functions in tbl which also are in toAdd, so when used they call the old function (in tbl) and then the new (in toAdd).
diff --git a/backend/love.lua b/backend/love.lua
index 6f822d5..f54311a 100644
--- a/backend/love.lua
+++ b/backend/love.lua
@@ -1,7 +1,7 @@
---- Löve backend 0.0.1 for Abstract.
--- Provides all the Abstract API on a Löve environment.
--- Made for Löve 0.10.1 and abstract 0.0.1.
--- See `abstract` for Abstract API.
+--- Löve backend 0.0.1 for Ubiquitousse.
+-- Provides all the Ubiquitousse API on a Löve environment.
+-- Made for Löve 0.10.1 and Ubiquitousse 0.0.1.
+-- See `ubiquitousse` for Ubiquitousse API.
 
 -- Config
 local useScancodes = true -- Use ScanCodes (layout independant input) instead of KeyConstants (layout dependant) for keyboard input
@@ -19,14 +19,14 @@ local uqt = require((...):match("^(.-ubiquitousse)%."))
 do
 	local function checkCompat(stuffName, expectedVersion, actualVersion)
 		if actualVersion ~= expectedVersion then
-			local txt = ("Abstract Löve backend version "..version.." was made for %s %s but %s is used!\nThings may not work as expected.")
+			local txt = ("Ubiquitousse Löve backend version "..version.." was made for %s %s but %s is used!\nThings may not work as expected.")
 			            :format(stuffName, expectedVersion, actualVersion)
 			print(txt)
 			love.window.showMessageBox("Warning", txt, "warning")
 		end
 	end
-	checkCompat("Löve", "0.10.1", ("%s.%s.%s"):format(love.getVersion()))
-	checkCompat("abstract", "0.0.1", uqt.version)
+	checkCompat("Löve", "0.10.2", ("%s.%s.%s"):format(love.getVersion()))
+	checkCompat("Ubiquitousse", "0.0.1", uqt.version)
 end
 
 -- Redefine all functions in tbl which also are in toAdd, so when used they call the old function (in tbl) and then the new (in toAdd).
@@ -51,7 +51,7 @@ function love.update(dt)
 	-- Value update
 	uqt.draw.fps = love.timer.getFPS()
 
-	-- Stuff defined in abstract.lua
+	-- Stuff defined in ubiquitousse.lua
 	updateDefault(dt*1000)
 
 	-- Callback
@@ -72,7 +72,7 @@ function love.draw()
 		love.graphics.translate(math.floor(winW/2-gameW/2), math.floor(winH/2-gameH/2))
 	end
 
-	-- Stuff defined in abstract.lua
+	-- Stuff defined in ubiquitousse.lua
 	drawDefault()
 
 	-- Callback
@@ -468,23 +468,9 @@ add(uqt.input, {
 -- Defaults
 uqt.input.default.pointer:bind(
 	{ "absolute", "keyboard.left,keyboard.right", "keyboard.up,keyboard.down" },
-	{ "absolute", "gamepad.axis.1.leftx", "gamepad.axis.1.lefty" }
-)
-uqt.input.default.up:bind(
-	"keyboard.up", "keyboard.w",
-	"gamepad.button.1.dpup", "gamepad.axis.1.lefty%-0.5"
-)
-uqt.input.default.down:bind(
-	"keyboard.down", "keyboard.s",
-	"gamepad.button.1.dpdown", "gamepad.axis.1.lefty%0.5"
-)
-uqt.input.default.right:bind(
-	"keyboard.right", "keyboard.d",
-	"gamepad.button.1.dpright", "gamepad.axis.1.leftx%0.5"
-)
-uqt.input.default.left:bind(
-	"keyboard.left", "keyboard.a",
-	"gamepad.button.1.dpleft", "gamepad.axis.1.leftx%-0.5"
+	{ "absolute", "keyboard.a,keyboard.d", "keyboard.w,keyboard.s" },
+	{ "absolute", "gamepad.axis.1.leftx", "gamepad.axis.1.lefty" },
+	{ "absolute", "gamepad.button.1.dpleft,gamepad.button.1.dpright", "gamepad.button.1.dpup,gamepad.button.1.dpdown"}
 )
 uqt.input.default.confirm:bind(
 	"keyboard.enter", "keyboard.space", "keyboard.lshift", "keyboard.e",
diff --git a/config.ld b/config.ld
index 36d99c8..0ae60dc 100644
--- a/config.ld
+++ b/config.ld
@@ -1,9 +1,9 @@
-project = "Abstract"
-description = "Abstract Game Engine"
-full_description = "A simple Lua game engine, made to run everywhere. See the abstract module for more information."
+project = "Ubiquitousse"
+description = "Ubiquitousse Game Engine"
+full_description = "A simple Lua game engine, made to run everywhere. See the Ubiquitousse module for more information."
 
-title = "Abstract Reference"
-package = "abstract"
+title = "Ubiquitousse Reference"
+package = "ubiquitousse"
 
 file = "./"
 format = "markdown"
diff --git a/draw.lua b/draw.lua
index a79c54f..1a3a549 100644
--- a/draw.lua
+++ b/draw.lua
@@ -3,7 +3,7 @@ local uqt = require((...):match("^(.-ubiquitousse)%."))
 
 --- The drawing functions: everything that affect the display/window.
 -- The coordinate system used is:
--- 
+--
 --  (0,0) +---> (x)
 --        |
 --        |
@@ -14,9 +14,9 @@ local uqt = require((...):match("^(.-ubiquitousse)%."))
 local draw
 draw = {
 	--- Initial game view paramters (some defaults).
-	-- @impl abstract
+	-- @impl ubiquitousse
 	params = {
-		title = "Abstract Engine",
+		title = "Ubiquitousse Game",
 		width = 800,
 		height = 600,
 		resizable = false,
@@ -29,7 +29,7 @@ draw = {
 	-- @tparam table params the game parameters
 	-- @usage -- Default values:
 	-- ubiquitousse.init {
-	--   title = "Abstract Engine", -- usually window title
+	--   title = "Ubiquitousse Game", -- usually window title
 	--   width = 800, -- in px
 	--   height = 600, -- in px
 	--   resizable = false, -- can the game be resized?
diff --git a/init.lua b/init.lua
index 4635694..1e79ded 100644
--- a/init.lua
+++ b/init.lua
@@ -1,33 +1,33 @@
 -- ubiquitousse
 
---- Abstract Engine.
--- Main module, containing the abstract things.
--- The API exposed here is the Abstract API.
--- It is as the name imply abstract, and must be implemented in a backend, such as abstract.love.
+--- Ubiquitousse Game Engine.
+-- Main module, containing the main things.
+-- The API exposed here is the Ubiquitousse API.
+-- It is as the name does not imply anymore abstract, and must be implemented in a backend, such as ubiquitousse.love.
 -- When required, this file will try to autodetect the engine it is running on, and load a correct backend.
 --
--- abstract may or may not be used as a full game engine. You can delete the modules files you don't need and abstract
+-- Ubiquitousse may or may not be used as a full game engine. You can delete the modules files you don't need and Ubiquitousse
 -- should adapt accordingly.
 --
 -- For backend writers:
 -- If a function defined here already contains some code, this means this code is mandatory and you must put/call
 -- it in your implementation.
--- Also, a backend file shouldn't redefine the abstract table itself but only redefine the backend-dependant fields.
+-- Also, a backend file shouldn't redefine the ubiquitousse table itself but only redefine the backend-dependant fields.
 -- The API doesn't make the difference between numbers and integers, so convert to integers when needed.
 --
--- Abstract's goal is to run everywhere with the least porting effort possible.
+-- Ubiquitousse's goal is to run everywhere with the least porting effort possible.
 -- To achieve this, the engine needs to stay simple, and only provide features that are almost sure to be
 -- available everywhere, so writing a backend should be straighforward.
--- However, Abstract still make some small assumptions about the engine:
+-- However, Ubiquitousse still make some small assumptions about the engine:
 -- * The engine has some kind of main loop, or at least a function called very often (may or may not be the
 --   same as the redraw screen callback).
 -- * 32bit color depth.
 --
--- Regarding data formats, Abstract reference implemtations expect and recommend:
+-- Regarding data formats, Ubiquitousse reference implemtations expect and recommend:
 -- * For images, PNG support is expected.
 -- * For audio files, OGG Vorbis support is expected.
 -- * For fonts, TTF support is expected.
--- Theses formats are respected for the reference implementations, but Abstract may provide a script to
+-- Theses formats are respected for the reference implementations, but Ubiquitousse may provide a script to
 -- automatically convert data formats from a project at some point.
 --
 -- Units used in the API:
@@ -42,19 +42,19 @@
 -- * lowerCamelCase is expected for everything else.
 --
 -- Implementation levels:
--- * backend: nothing defined in abstract, must be implemented in backend
--- * mixed: partly implemented in abstract but must be complemeted in backend
--- * abstract: fully-working version in abstract, may or may not be redefined in backend
+-- * backend: nothing defined in Ubiquitousse, must be implemented in backend
+-- * mixed: partly implemented in Ubiquitousse but must be complemeted in backend
+-- * ubiquitousse: fully-working version in Ubiquitousse, may or may not be redefined in backend
 -- The implementation level is indicated using the "@impl level" annotation.
 --
--- @usage local abstract = require("abstract")
+-- @usage local ubiquitousse = require("ubiquitousse")
 
 local p = ... -- require path
 local ubiquitousse
 
 ubiquitousse = {
-	--- Abstract version.
-	-- @impl abstract
+	--- Ubiquitousse version.
+	-- @impl ubiquitousse
 	version = "0.0.1",
 
 	--- Backend name.
@@ -63,7 +63,7 @@ ubiquitousse = {
 	backend = "unknown"
 }
 
--- We're going to require modules requiring abstract, so to avoid stack overflows we already register the abstract package
+-- We're going to require modules requiring Ubiquitousse, so to avoid stack overflows we already register the ubiquitousse package
 package.loaded[p] = ubiquitousse
 
 -- Require external submodules
diff --git a/input.lua b/input.lua
index d4e1bc7..6cc97cb 100644
--- a/input.lua
+++ b/input.lua
@@ -10,14 +10,17 @@ local updated = {}
 --- Input stuff
 -- Inspired by Tactile by Andrew Minnich (https://github.com/tesselode/tactile).
 -- I don't think I need to include the license since it's just inspiration, but for the sake of information, Tactile is under the MIT license.
--- Abstract considers two input methods, called buttons (binary input) and axes (analog input).
+-- Ubiquitousse considers two input methods, called buttons (binary input) and axes (analog input).
 local input
 input = {
+	---------------------------------
 	--- Detectors (input sources) ---
+	---------------------------------
+
 	-- Buttons detectors --
 	-- A button detector is a function which returns true (pressed) or false (unpressed).
 	-- Any fuction which returns a boolean can be used as a button detector, but you will probably want to get the data from an HID.
-	-- Abstract being abstract, it doesn't suppose there is a keyboard and mouse available for example, and all HID buttons are identified using
+	-- Ubiquitousse being platform-agnostic, it doesn't suppose there is a keyboard and mouse available for example, and all HID buttons are identified using
 	-- an identifier string, which depends of the backend. Identifier strings should be of the format "source1.source2.[...].button", for example "keyboard.up"
 	-- or "gamepad.button.1.a" for the A-button of the first gamepad.
 	-- If the button is actually an axis (ie, the button is pressed if the axis value passes a certain threshold), the threshold should be in the end of the
@@ -27,7 +30,7 @@ input = {
 
 	--- Makes a new button detector(s) from the identifier(s) string.
 	-- The function may error if the identifier is incorrect.
-	-- @tparam string button identifier, depends on the platform abstract is running on (multiple parameters)
+	-- @tparam string button identifier, depends on the platform Ubiquitousse is running on (multiple parameters)
 	-- @treturn each button detector (multiple-returns)
 	-- @impl backend
 	buttonDetector = function(...) end,
@@ -37,20 +40,24 @@ input = {
 	-- Threshold value can be used similarly with %.
 	-- Axis detectors should support "binary axis", ie an axis defined by two buttons: if the 1rst button is pressed, value will be -1, if the 2nd is pressed it will be 1
 	-- and if none or the both are pressed, the value will be 0. This kind of axis identifier should have an identifier like "button1,button2" (comma-separated).
+	-- Axis detectors may also optionally return after the number between -1 and 1 the raw value and max value. The raw value is between -max and +max.
 
 	--- Makes a new axis detector(s) from the identifier(s) string.
-	-- @tparam string axis identifier, depends on the platform abstract is running on (multiple parameters)
+	-- @tparam string axis identifier, depends on the platform Ubiquitousse is running on (multiple parameters)
 	-- @treturn each axis detector (multiple-returns)
 	-- @impl backend
 	axisDetector = function(...) end,
 
+	------------------------------------------
 	--- Inputs (the thing you want to use) ---
+	------------------------------------------
+
 	-- Buttons inputs --
 	-- Button input is a container for buttons detector. A button will be pressed when one of its detectors returns true.
 	-- Inputs also knows if the button was just pressed or released.
 	-- @tparam ButtonDetectors ... all the buttons detectors or buttons identifiers
 	-- @tretrun ButtonInput the object
-	-- @impl abstract
+	-- @impl ubiquitousse
 	button = function(...)
 		local r -- object
 		local detectors = {} -- detectors list
@@ -82,6 +89,8 @@ input = {
 		end
 		-- Object
 		r = {
+			--- Returns a new ButtonInput with the same properties.
+			-- @treturn ButtonInput the cloned object
 			clone = function(self)
 				local clone = input.button()
 				for name, detector in pairs(detectors) do
@@ -94,6 +103,9 @@ input = {
 				return clone
 			end,
 
+			--- Bind new ButtonDetector(s) to this input.
+			-- @tparam ButtonDetectors ... buttons detectors or buttons identifiers to add
+			-- @treturn ButtonInput this ButtonInput object
 			bind = function(self, ...)
 				for _,d in ipairs({...}) do
 					if type(d) == "string" then
@@ -106,6 +118,9 @@ input = {
 				end
 				return self
 			end,
+			--- Unbind ButtonDetector(s).
+			-- @tparam ButtonDetectors ... buttons detectors or buttons identifiers to remove
+			-- @treturn ButtonInput this ButtonInput object
 			unbind = function(self, ...)
 				for _,d in ipairs({...}) do
 					detectors[d] = nil
@@ -113,15 +128,21 @@ input = {
 				return self
 			end,
 
-			pressed = function(_)
+			--- Returns true if the input was just pressed.
+			-- @treturn boolean true if the input was pressed, false otherwise
+			pressed = function(self)
 				update()
 				return state == "pressed"
 			end,
-			down = function(_)
+			--- Returns true if the input is down.
+			-- @treturn boolean true if the input is currently down, false otherwise
+			down = function(self)
 				update()
 				return state == "down" or state == "pressed"
 			end,
-			released = function(_)
+			--- Returns true if the input was just released.
+			-- @treturn boolean true if the input was released, false otherwise
+			released = function(self)
 				update()
 				return state == "released"
 			end,
@@ -130,7 +151,12 @@ input = {
 		return r
 	end,
 
-	-- TODO: doc
+	-- Axis inputs --
+	-- Axis input is a container for axes detector. An axis input will return the value of the axis detector the most far away from their center (0).
+	-- Axis input provide a threshold setting ; every axis which has a distance to the center below th threshold will be ignored.
+	-- @tparam AxisDetectors ... all the axis detectors or axis identifiers
+	-- @tretrun AxisInput the object
+	-- @impl ubiquitousse
 	axis = function(...)
 		local r -- object
 		local detectors = {} -- detectors list
@@ -150,6 +176,8 @@ input = {
 		end
 		-- Object
 		r = {
+			--- Returns a new AxisInput with the same properties.
+			-- @treturn AxisInput the cloned object
 			clone = function(self)
 				local clone = input.axis()
 				for name, detector in pairs(detectors) do
@@ -163,6 +191,9 @@ input = {
 				return clone
 			end,
 
+			--- Bind new AxisDetector(s) to this input.
+			-- @tparam AxisDetectors ... axis detectors or axis identifiers to add
+			-- @treturn AxisInput this AxisInput object
 			bind = function(self, ...)
 				for _,d in ipairs({...}) do
 					if type(d) == "string" then
@@ -175,6 +206,9 @@ input = {
 				end
 				return self
 			end,
+			--- Unbind AxisDetector(s).
+			-- @tparam AxisDetectors ... axis detectors or axis identifiers to remove
+			-- @treturn AxisInput this AxisInput object
 			unbind = function(self, ...)
 				for _,d in ipairs({...}) do
 					detectors[d] = nil
@@ -182,58 +216,52 @@ input = {
 				return self
 			end,
 
+			--- Sets the default detection threshold (deadzone).
+			-- @tparam number new the new detection threshold
+			-- @treturn AxisInput this AxisInput object
 			threshold = function(self, new)
 				threshold = tonumber(new)
 				return self
 			end,
 
-			value = function(_, curThreshold)
+			--- Returns the value of the input (between -1 and 1).
+			-- @tparam[opt=default threshold] number threshold value to use
+			-- @treturn number the input value
+			value = function(self, curThreshold)
 				update()
 				return math.abs(value) > math.abs(curThreshold or threshold) and value or 0
 			end,
-			raw = function(_, rawThreshold)
+			--- Returns the raw value of the input (between -max and +max).
+			-- @tparam[opt=default threshold*max] number raw threshold value to use
+			-- @treturn number the input raw value
+			raw = function(self, rawThreshold)
 				update()
 				return math.abs(raw) > math.abs(rawThreshold or threshold*max) and raw or 0
 			end,
-			max = function(_)
+			--- Return the raw max of the input.
+			-- @treturn number the input raw max
+			max = function(self)
 				update()
 				return max
-			end
+			end,
+
+			--- The associated button pressed when the axis reaches a positive value.
+			positive = input.button(function() return r:value() > 0 end),
+			--- The associated button pressed when the axis reaches a negative value.
+			negative = input.button(function() return r:value() < 0 end)
 		}
 		r:bind(...)
 		return r
 	end,
 
-	--- Returns a list of the buttons currently in use, identified by their string button identifier.
-	-- This may also returns "axis threshold" buttons if an axis passes the threshold.
-	-- @treturn table<string> buttons identifiers list
-	-- @treturn[opt=0.5] number threshold the threshold to detect axes as button
-	-- @impl backend
-	buttonsInUse = function(threshold) end,
-
-	--- Returns a list of the axes currently in use, identified by their string axis identifier
-	-- @treturn table<string> axes identifiers list
-	-- @treturn[opt=0.5] number threshold the threshold to detect axes
-	-- @impl backend
-	axesInUse = function(threshold) end,
-
-	--- Returns a nice name for the button identifier.
-	-- Can be locale-depedant and stuff, it's only for display.
-	-- May returns the raw identifier if you're lazy.
-	-- @tparam string... button identifier string(s)
-	-- @treturn string... the displayable names
-	-- @impl backend
-	buttonName = function(...) end,
-
-	--- Returns a nice name for the axis identifier.
-	-- Can be locale-depedant and stuff, it's only for display.
-	-- May returns the raw identifier if you're lazy.
-	-- @tparam string... axis identifier string(s)
-	-- @treturn string... the displayable names
-	-- @impl backend
-	axisName = function(...) end,
-
-	-- TODO: doc
+	-- Pointer inputs --
+	-- Pointer inputs are container for two axes input, in order to represent a two-dimensionnal pointing device, e.g. a mouse or a stick.
+	-- Each pointer detector is a table with 3 fields: mode(string), XAxis(axis), YAxis(axis). mode can either be "relative" or "absolute".
+	-- In relative mode, the pointer will return the movement since last update (for example to move a mouse pointer with a stick).
+	-- In absolute mode, the pointer will return the pointer position directly deduced of the current axes position.
+	-- @tparam table{mode,XAxis,YAxis} ... couples of axis detectors, axis identifiers or axis input to add and in which mode
+	-- @tretrun PointerInput the object
+	-- @impl ubiquitousse
 	pointer = function(...)
 		local pointers = {} -- pointers list
 		local x, y = 0, 0 -- pointer position
@@ -277,6 +305,8 @@ input = {
 			end
 		end
 		r = {
+			--- Returns a new PointerInput with the same properties.
+			-- @treturn PointerInput the cloned object
 			clone = function(self)
 				return input.pointer(unpack(pointers))
 				       :dimensions(width, height)
@@ -284,6 +314,9 @@ input = {
 				       :speed(xSpeed, ySpeed)
 			end,
 
+			--- Bind new axis couples to this input.
+			-- @tparam table{mode,XAxis,YAxis} ... couples of axis detectors, axis identifiers or axis input to add and in which mode
+			-- @treturn PointerInput this PointerInput object
 			bind = function(self, ...)
 				for _,p in ipairs({...}) do
 					if type(p) == "table" then
@@ -296,6 +329,9 @@ input = {
 				end
 				return self
 			end,
+			--- Unbind axis couples.
+			-- @tparam table{mode,XAxis,YAxis} ... couples of axis detectors, axis identifiers or axis input to remove
+			-- @treturn PointerInput this PointerInput object
 			unbind = function(self, ...)
 				for _,p in ipairs({...}) do
 					for i,pointer in ipairs(pointers) do
@@ -312,7 +348,9 @@ input = {
 			-- Call without argument to use half the window dimensions.
 			-- It's the half dimensions because axes values goes from -1 to 1, so theses dimensions only
 			-- covers values from x=0,y=0 to x=1,y=1. The full moving area will be 4*newWidth*newHeight.
-			-- @impl abstract
+			-- @tparam number newWidth new width
+			-- @tparam number newHeight new height
+			-- @treturn PointerInput this PointerInput object
 			dimensions = function(self, newWidth, newHeight)
 				width, height = newWidth, newHeight
 				return self
@@ -320,7 +358,9 @@ input = {
 			--- Set the moving area coordinates offset.
 			-- The offset is a value automatically added to the x and y values when using the x() and y() methods.
 			-- Call without argument to automatically offset so 0,0 <= x(),y() <= width,height, i.e. offset to width,height.
-			-- @impl abstract
+			-- @tparam number newOffX new X offset
+			-- @tparam number newOffY new Y offset
+			-- @treturn PointerInput this PointerInput object
 			offset = function(self, newOffX, newOffY)
 				offsetX, offsetY = newOffX, newOffY
 				return self
@@ -328,46 +368,108 @@ input = {
 			--- Set maximal speed (pixels-per-milisecond)
 			-- Only used in relative mode.
 			-- Calls without argument to use the raw data and don't apply a speed modifier.
-			-- @impl abstract
+			-- @tparam number newXSpeed new X speed
+			-- @tparam number newYSpeed new Y speed
+			-- @treturn PointerInput this PointerInput object
 			speed = function(self, newXSpeed, newYSpeed)
 				xSpeed, ySpeed = newXSpeed, newYSpeed or newXSpeed
 				return self
 			end,
 
+			--- Returns the current X value of the pointer.
+			-- @treturn number X value
 			x = function()
 				update()
 				return x + (offsetX or width or draw.width/2)
 			end,
+			--- Returns the current Y value of the pointer.
+			-- @treturn number Y value
 			y = function()
 				update()
 				return y + (offsetY or height or draw.height/2)
-			end
+			end,
+
+			--- The associated horizontal axis.
+			horizontal = input.axis(function()
+				local h = r:x()
+				return h/width, h, width
+			end),
+			--- The associated vertical axis.
+			vertical = input.axis(function()
+				local v = r:y()
+				return v/height, v, height
+			end),
+
+			--- The associated button pressed when the pointer goes to the right.
+			right = nil,
+			--- The associated button pressed when the pointer goes to the left.
+			left = nil,
+			--- The associated button pressed when the pointer points up.
+			up = nil,
+			--- The associated button pressed when the pointer points down.
+			down = nil
 		}
+		r.right, r.left = r.horizontal.positive, r.horizontal.negative
+		r.up, r.down = r.vertical.negative, r.vertical.positive
 		r:bind(...)
 		return r
 	end,
 
+	------------------------------
+	--- Input detection helpers --
+	------------------------------
+
+	--- Returns a list of the buttons currently in use, identified by their string button identifier.
+	-- This may also returns "axis threshold" buttons if an axis passes the threshold.
+	-- @treturn table<string> buttons identifiers list
+	-- @treturn[opt=0.5] number threshold the threshold to detect axes as button
+	-- @impl backend
+	buttonsInUse = function(threshold) end,
+
+	--- Returns a list of the axes currently in use, identified by their string axis identifier
+	-- @treturn table<string> axes identifiers list
+	-- @treturn[opt=0.5] number threshold the threshold to detect axes
+	-- @impl backend
+	axesInUse = function(threshold) end,
+
+	--- Returns a nice name for the button identifier.
+	-- Can be locale-depedant and stuff, it's only for display.
+	-- May returns the raw identifier if you're lazy.
+	-- @tparam string... button identifier string(s)
+	-- @treturn string... the displayable names
+	-- @impl backend
+	buttonName = function(...) end,
+
+	--- Returns a nice name for the axis identifier.
+	-- Can be locale-depedant and stuff, it's only for display.
+	-- May returns the raw identifier if you're lazy.
+	-- @tparam string... axis identifier string(s)
+	-- @treturn string... the displayable names
+	-- @impl backend
+	axisName = function(...) end,
+
+	-------------------
+	--- Other stuff ---
+	-------------------
+
 	--- Some default inputs.
-	-- The backend may bind detectors to thoses inputs.
+	-- The backend should bind detectors to thoses inputs.
 	-- These are used to provide some common input default detectors to allow to start a game quickly on
 	-- any platform without having to configure the keys.
 	-- If some key function in your game match one of theses defaults, using it instead of creating a new
 	-- input would be a good idea.
 	-- @impl mixed
 	default = {
-		pointer = nil, -- A default Pointer: used to move. Example binds: arrow keys, stick.
-		up = nil, -- Button: similar to pointer, but only the up button.
-		down = nil, -- Button: similar to pointer, but only the down button.
-		right = nil, -- Button: similar to pointer, but only the right button.
-		left = nil, -- Button: similar to pointer, but only the left button.
+		pointer = nil, -- Pointer: used to move and select. Example binds: arrow keys, WASD, stick.
 		confirm = nil, -- Button: used to confirm something. Example binds: Enter, A button.
 		cancel = nil -- Button: used to cancel something. Example binds: Escape, B button.
 	},
 
 	--- Update all the Inputs.
 	-- Supposed to be called in ubiquitousse.event.update.
+	-- The backend can hook into this function to to its input-related updates.
 	-- @tparam numder dt the delta-time
-	-- @impl abstract
+	-- @impl ubiquitousse
 	update = function(dt)
 		updated = {}
 	end
@@ -375,10 +477,6 @@ input = {
 
 -- Create default inputs
 input.default.pointer = input.pointer()
-input.default.up = input.button()
-input.default.down = input.button()
-input.default.right = input.button()
-input.default.left = input.button()
 input.default.confirm = input.button()
 input.default.cancel = input.button()
 
diff --git a/scene.lua b/scene.lua
index 7bb335f..34d52ad 100644
--- a/scene.lua
+++ b/scene.lua
@@ -17,8 +17,8 @@ end
 
 --- Scene management.
 -- You can use use scenes to seperate the different states of your game: for example, a menu scene and a game scene.
--- This module is fully implemented in abstract and is mostly a "recommended way" of organising an abstract-based game.
--- However, you don't have to use this if you don't want to. ubiquitousse.scene handles all the differents abstract-states and
+-- This module is fully implemented in Ubiquitousse and is mostly a "recommended way" of organising an Ubiquitousse-based game.
+-- However, you don't have to use this if you don't want to. ubiquitousse.scene handles all the differents Ubiquitousse-states and
 -- make them scene-independent, for example by creating a scene-specific TimerRegistry (TimedFunctions that are keept accross
 -- states are generally a bad idea). Theses scene-specific states should be created and available in the table returned by
 -- ubiquitousse.scene.new.
@@ -38,19 +38,19 @@ end
 local scene
 scene = {
 	--- The current scene table.
-	-- @impl abstract
+	-- @impl ubiquitousse
 	current = nil,
 
 	--- The scene stack: list of scene, from the farest one to the nearest.
-	-- @impl abstract
+	-- @impl ubiquitousse
 	stack = {},
 
 	--- A prefix for scene modules names
-	-- @impl abstract
+	-- @impl ubiquitousse
 	prefix = "",
 
 	--- Creates and returns a new Scene object.
-	-- @impl abstract
+	-- @impl ubiquitousse
 	new = function()
 		return {
 			time = time.new(), -- Scene-specific TimerRegistry.
@@ -71,7 +71,7 @@ scene = {
 	-- the current scene will then be replaced by the new one, and then the enter callback is called.
 	-- @tparam string scenePath the new scene module name
 	-- @param ... arguments to pass to the scene's enter function
-	-- @impl abstract
+	-- @impl ubiquitousse
 	switch = function(scenePath, ...)
 		if scene.current then scene.current.exit() end
 		scene.current = dofile(getPath(scene.prefix..scenePath))
@@ -86,7 +86,7 @@ scene = {
 	-- will be reused.
 	-- @tparam string scenePath the new scene module name
 	-- @param ... arguments to pass to the scene's enter function
-	-- @impl abstract
+	-- @impl ubiquitousse
 	push = function(scenePath, ...)
 		if scene.current then scene.current.suspend() end
 		scene.current = dofile(getPath(scene.prefix..scenePath))
@@ -97,7 +97,7 @@ scene = {
 	--- Pop the current scene from the scene stack.
 	-- The current scene exit function will be called, then the previous scene resume function will be called.
 	-- Then the current scene will be removed from the stack, and the previous scene will be set as the current scene.
-	-- @impl abstract
+	-- @impl ubiquitousse
 	pop = function()
 		if scene.current then scene.current.exit() end
 		local previous = scene.stack[#scene.stack-1]
@@ -110,7 +110,7 @@ scene = {
 	-- Should be called in ubiquitousse.event.update.
 	-- @tparam number dt the delta-time (milisecond)
 	-- @param ... arguments to pass to the scene's update function after dt
-	-- @impl abstract
+	-- @impl ubiquitousse
 	update = function(dt, ...)
 		if scene.current then
 			scene.current.time.update(dt)
@@ -121,7 +121,7 @@ scene = {
 	--- Draw the current scene.
 	-- Should be called in ubiquitousse.event.draw.
 	-- @param ... arguments to pass to the scene's draw function
-	-- @impl abstract
+	-- @impl ubiquitousse
 	draw = function(...)
 		if scene.current then scene.current.draw(...) end
 	end
diff --git a/time.lua b/time.lua
index 0c72906..2b877da 100644
--- a/time.lua
+++ b/time.lua
@@ -17,7 +17,7 @@ local function newTimerRegistry()
 		-- A TimerRegistry is a separate ubiquitousse.time instance: its TimedFunctions will be independant
 		-- from the one registered using ubiquitousse.time.run (the global TimerRegistry). If you use the scene
 		-- system, a scene-specific TimerRegistry is available at ubiquitousse.scene.current.time.
-		-- @impl abstract
+		-- @impl ubiquitousse
 		new = function()
 			local new = newTimerRegistry()
 			new.get = registry.get
@@ -32,8 +32,8 @@ local function newTimerRegistry()
 
 		--- Update all the TimedFunctions calls.
 		-- Supposed to be called in ubiquitousse.event.update.
-		-- @tparam[opt=calculate here] numder dt the delta-time (time spent since last time the function was called) (miliseconds)
-		-- @impl abstract
+		-- @tparam[opt=calculate here] number dt the delta-time (time spent since last time the function was called) (miliseconds)
+		-- @impl ubiquitousse
 		update = function(dt)
 			if dt then
 				registry.dt = dt
@@ -95,7 +95,7 @@ local function newTimerRegistry()
 		-- The function will receive as first parameter the wait(time) function, which will pause the function execution for time miliseconds.
 		-- @tparam[opt] function func the function to schedule
 		-- @treturn TimedFunction the object
-		-- @impl abstract
+		-- @impl ubiquitousse
 		run = function(func)
 			-- Creates empty function (the TimedFunction may be used for time measure or stuff like that which doesn't need a specific function)
 			func = func or function() end
@@ -159,7 +159,7 @@ local function newTimerRegistry()
 		-- @tparam table to the new values
 		-- @tparam[opt="linear"] string/function method tweening method (string name or the actual function(time, start, change, duration))
 		-- @treturn TimedFunction the object
-		-- @impl abstract
+		-- @impl ubiquitousse
 		tween = function(duration, tbl, to, method)
 			method = method or "linear"
 			method = type(method) == "string" and ease[method] or method
@@ -177,13 +177,13 @@ local function newTimerRegistry()
 		end,
 
 		--- Cancels all the running TimedFunctions.
-		-- @impl abstract
+		-- @impl ubiquitousse
 		clear = function()
 			delayed = {}
 		end,
 
 		--- Time since last update (miliseconds).
-		-- @impl abstract
+		-- @impl ubiquitousse
 		dt = 0
 	}