From 5178ee0020b3d566f0f7efdc858b5ef32b0b4749 Mon Sep 17 00:00:00 2001
From: Kazhnuz <kazhnuz@kobold.cafe>
Date: Wed, 27 Jul 2022 21:57:34 +0200
Subject: [PATCH] wip: other radiance stuff

---
 birb/classes/time/init.lua                   |   4 +
 birb/core/datas.lua                          |   8 +-
 birb/core/scenemanager.lua                   |   6 -
 birb/modules/gui/elements/canvas.lua         |  24 ++-
 birb/modules/gui/elements/parent.lua         |  14 +-
 birb/modules/gui/init.lua                    |  12 +-
 birb/modules/gui/menus/flowbox.lua           |   2 +-
 birb/modules/gui/menus/grid.lua              |   2 +-
 birb/modules/gui/menus/hlistbox.lua          |   2 +-
 birb/modules/gui/menus/listbox.lua           |  13 +-
 birb/modules/gui/menus/model/init.lua        |  33 +++-
 birb/modules/gui/menus/model/page.lua        |  12 ++
 birb/modules/gui/menus/parent.lua            |  38 ++++-
 birb/modules/gui/menus/views/view1D.lua      |   1 -
 birb/modules/gui/menus/widgets/base.lua      |   9 +-
 birb/modules/gui/menus/widgets/text.lua      |   3 +-
 birb/modules/gui/mixins/elements.lua         |   5 +-
 birb/modules/gui/mixins/screens.lua          |   4 +
 birb/modules/gui/screen/init.lua             | 160 +++++++++++++++++++
 birb/modules/gui/screen/screenset.lua        |  73 +++++++++
 birb/modules/gui/textmenu/init.lua           |   7 +-
 birb/modules/scenes.lua                      |  37 +----
 birb/modules/world/actors/mixins/base.lua    |   4 -
 birb/modules/world/actors/utils/hitbox3D.lua |   2 +-
 birb/modules/world/camera/init.lua           |  12 --
 birb/utils/math.lua                          |  12 ++
 26 files changed, 415 insertions(+), 84 deletions(-)
 create mode 100644 birb/modules/gui/screen/init.lua
 create mode 100644 birb/modules/gui/screen/screenset.lua

diff --git a/birb/classes/time/init.lua b/birb/classes/time/init.lua
index ebd4b80..c980378 100644
--- a/birb/classes/time/init.lua
+++ b/birb/classes/time/init.lua
@@ -63,6 +63,10 @@ function TweenManager:removeNamedTween(name)
   self.tweens[name] = nil
 end
 
+function TweenManager:haveTween()
+  return #self.tweens > 0
+end
+
 -- TIMER FUNCTIONS
 -- Help to get info from timers
 
diff --git a/birb/core/datas.lua b/birb/core/datas.lua
index f1c0700..b1b008e 100644
--- a/birb/core/datas.lua
+++ b/birb/core/datas.lua
@@ -36,11 +36,9 @@ end
 
 function DataManager:loadDatas()
     self.datapacks = {}
-    if (index.datapacks ~= nil) then
-        for key, datas in pairs(index.datapacks) do
-            self.core.debug:debug("datamanager", "loading data for " .. key)
-            self.datapacks[key] = DataPack(datas[1], datas[2], datas[3], datas[4], datas[5])
-        end
+    for key, datas in pairs(index.datapacks) do
+        self.core.debug:debug("datamanager", "loading data for " .. key)
+        self.datapacks[key] = DataPack(datas[1], datas[2], datas[3], datas[4], datas[5])
     end
 end
 
diff --git a/birb/core/scenemanager.lua b/birb/core/scenemanager.lua
index eafdb92..8c081c8 100644
--- a/birb/core/scenemanager.lua
+++ b/birb/core/scenemanager.lua
@@ -41,10 +41,6 @@ function SceneManager:setScene(scene)
   self.nextScene = scene
 end
 
-function SceneManager:getScene()
-  return self.nextScene or self.currentScene
-end
-
 function SceneManager:haveStoredScene(name)
   return (self.storage[name] ~= nil)
 end
@@ -94,14 +90,12 @@ function SceneManager:mousemoved(x, y, dx, dy)
     self.currentScene.mouse.x,
     self.currentScene.mouse.y = x, y
     self.currentScene:mousemoved(x, y, dx, dy)
-    self.currentScene.menusystem:mousemoved(x, y, dx, dy)
   end
 end
 
 function SceneManager:mousepressed( x, y, button, istouch )
   if (self.currentScene ~= nil) then
     self.currentScene:mousepressed( x, y, button, istouch )
-    self.currentScene.menusystem:mousepressed( x, y, button, istouch )
   end
 end
 
diff --git a/birb/modules/gui/elements/canvas.lua b/birb/modules/gui/elements/canvas.lua
index 54d782f..7fb1e23 100644
--- a/birb/modules/gui/elements/canvas.lua
+++ b/birb/modules/gui/elements/canvas.lua
@@ -16,6 +16,8 @@ function CanvasElement:initCanvas()
   self.canvas.texture = nil
   self.canvas.isAnimated = false
   self.canvas.padding = 8
+  self.canvas.final = nil
+  self.canvas.dual = false
 end
 
 function CanvasElement:updateElement(dt)
@@ -30,6 +32,18 @@ function CanvasElement:redraw()
   if (self.canvas.needRedraw or self.canvas.isAnimated) then
     self:generateTexture()
   end
+
+  if (self.canvas.dual) then
+    local w, h = self:getDimensions()
+    local canvas = love.graphics.newCanvas(w + (self.canvas.padding*2), h + (self.canvas.padding*2))
+    love.graphics.setCanvas(canvas)
+
+    love.graphics.draw(self.canvas.texture, 0, 0)
+    self:drawFinalTexture()
+
+    self.canvas.final = canvas
+    love.graphics.setCanvas()
+  end
 end
 
 function CanvasElement:generateTexture()
@@ -55,6 +69,10 @@ function CanvasElement:drawTexture()
 
 end
 
+function CanvasElement:drawFinalTexture()
+
+end
+
 function CanvasElement:parseOrigin(origin, size)
     if (origin == "center") then
         return size/2
@@ -67,7 +85,11 @@ end
 
 function CanvasElement:draw()
     love.graphics.setColor(1, 1, 1, self.opacity)
-    love.graphics.draw(self.canvas.texture, self.x - self.canvas.padding,self.y - self.canvas.padding,self.r,self.sx,self.sy,self.ox,self.oy)
+    local texture = self.canvas.texture
+    if (self.canvas.dual) then
+      texture = self.canvas.final
+    end
+    love.graphics.draw(texture, self.x - self.canvas.padding,self.y - self.canvas.padding,self.r,self.sx,self.sy,self.ox,self.oy)
     love.graphics.setColor(1, 1, 1, 1)
 end
 
diff --git a/birb/modules/gui/elements/parent.lua b/birb/modules/gui/elements/parent.lua
index a82244c..aa73138 100644
--- a/birb/modules/gui/elements/parent.lua
+++ b/birb/modules/gui/elements/parent.lua
@@ -19,7 +19,7 @@ function GuiElement:new(name, x, y, w, h)
 end
 
 function GuiElement:initWrapper()
-    self.scene = core.scenemanager:getScene()
+    self.scene = core.scenemanager.nextScene or core.scenemanager.currentScene
     self.gui = self.scene.gui
     self.assets = self.scene.assets
 end
@@ -58,8 +58,8 @@ function GuiElement:setVisibility(visibility)
     self.isVisible = visibility
 end
 
-function GuiElement:getFocus()
-    self.gui:setFocus(self.name)
+function GuiElement:getFocus(widgetId, page)
+    self.gui:setFocus(self.name, widgetId, page)
 end
 
 function GuiElement:haveFocus()
@@ -72,6 +72,14 @@ function GuiElement:looseFocus()
     end
 end
 
+function GuiElement:setSubFocus()
+    -- Useless for basic element
+end
+
+function GuiElement:isTransforming()
+    return self.tweens:haveTween()
+end
+
 -- UPDATE FUNCTIONS
 -- Update the menu every game update
 
diff --git a/birb/modules/gui/init.lua b/birb/modules/gui/init.lua
index 1a9bbf1..2f2d7ce 100644
--- a/birb/modules/gui/init.lua
+++ b/birb/modules/gui/init.lua
@@ -122,8 +122,9 @@ function Gui:hideScreen(screenname)
 end
 
 
-function Gui:showScreen(screenname)
-    self.screens[screenname]:show()
+function Gui:showScreen(screenname, focusElement, widgetId, page, arbitraryDatas)
+    self.screens[screenname]:show(focusElement, widgetId, page)
+    self.screens[screenname]:setDatas(arbitraryDatas)
 end
 
 -- SOUND FUNCTIONS
@@ -151,7 +152,7 @@ function Gui:keycheck(keys)
     if (haveFocus) then
         local elem = self:getFocusedElement()
         for key,_ in pairs(keys) do
-            if keys[key].isPressed then
+            if (keys[key].isPressed and not elem:isTransforming()) then
                 elem:keypressed(key)
             end
         end
@@ -163,7 +164,10 @@ end
 -- Draw the menu and its content
 
 function Gui:redraw()
-    for _, element in pairs(self.elements) do
+    for _, element in pairs(self:getVisibleElement(true)) do
+        element:redraw()
+    end
+    for _, element in pairs(self:getVisibleElement(false)) do
         element:redraw()
     end
 end
diff --git a/birb/modules/gui/menus/flowbox.lua b/birb/modules/gui/menus/flowbox.lua
index 328bb7a..a963122 100644
--- a/birb/modules/gui/menus/flowbox.lua
+++ b/birb/modules/gui/menus/flowbox.lua
@@ -142,7 +142,7 @@ function FlowBox:getGraphicalCursorPosition()
   local col, line = self.view:getCoord(self.widget:getSelected())
   local x     = (col) * h
   local y     = (line - beginline) * h
-  return self.x + x, self.y + y, w, h
+  return x, y, w, h
 end
 
 return FlowBox
diff --git a/birb/modules/gui/menus/grid.lua b/birb/modules/gui/menus/grid.lua
index 3c98a1c..afbd4c2 100644
--- a/birb/modules/gui/menus/grid.lua
+++ b/birb/modules/gui/menus/grid.lua
@@ -273,7 +273,7 @@ function GridBox:drawCursor()
     local w, h  = self:getWidgetSize(slot)
     local x     = self.slots[slot].x * self.widgetSize.w
     local y     = self.slots[slot].y * self.widgetSize.h
-    self:drawGraphicalCursor(self.x + x, self.y + y, w, h)
+    self:drawGraphicalCursor(x, y, w, h)
   end
 end
 
diff --git a/birb/modules/gui/menus/hlistbox.lua b/birb/modules/gui/menus/hlistbox.lua
index e94809b..fe4a594 100644
--- a/birb/modules/gui/menus/hlistbox.lua
+++ b/birb/modules/gui/menus/hlistbox.lua
@@ -99,7 +99,7 @@ function HListBox:getGraphicalCursorPosition()
   local w, h  = self:getWidgetSize()
   local x     = (self.widget:getSelected() - self.view.firstSlot) * w
 
-  return self.x + x,self.y, w, h
+  return x, 0, w, h
 end
 
 return HListBox
diff --git a/birb/modules/gui/menus/listbox.lua b/birb/modules/gui/menus/listbox.lua
index 934d502..41abf2a 100644
--- a/birb/modules/gui/menus/listbox.lua
+++ b/birb/modules/gui/menus/listbox.lua
@@ -36,6 +36,8 @@ function ListBox:new(name, x, y, w, h, slotNumber)
   ListBox.super.new(self, name, x, y, w, h)
   self.h = slotNumber * self.widgetSize.h -- On fait en sorte que la hauteur
   -- soit un multiple du nombre de slot et de leur hauteur
+  self.lateralFunc = nil
+  self.packAtEnd = false
 end
 
 -- UPDATE FUNCTIONS
@@ -54,6 +56,10 @@ function ListBox:resetView()
   self.view:reset()
 end
 
+function ListBox:addLateralAction(func)
+  self.lateralFunc = func
+end
+
 -- KEYBOARD FUNCTIONS
 -- Handle input from keyboard/controllers.
 
@@ -69,6 +75,10 @@ function ListBox:moveByKeys(key)
     self:playNavigationSound()
     self.canvas.needRedraw = true
   end
+
+  if (self.lateralFunc ~= nil and (key == 'left' or key == 'right')) then
+    self.widget:lateralAction(self.lateralFunc, key)
+  end
 end
 
 -- POSITION FUNCTIONS
@@ -82,6 +92,7 @@ end
 -- draw the menu and the rest of content.
 
 function ListBox:getListPart(relativeNumber)
+  if (self.packAtEnd) then relativeNumber = relativeNumber + math.max(0, self.view.slotNumber - self.widget:lenght()) end
   return 0, (relativeNumber) * self.widgetSize.h, self.w, self.widgetSize.h
 end
 
@@ -99,7 +110,7 @@ end
 function ListBox:getGraphicalCursorPosition()
   local x, y, w, h = self:getListPart(self.widget:getSelected() - self.view.firstSlot)
 
-  return self.x - self.ox + x,self.y + y - self.oy, w, h
+  return self:getListPart(self.widget:getSelected() - self.view.firstSlot)
 end
 
 return ListBox
diff --git a/birb/modules/gui/menus/model/init.lua b/birb/modules/gui/menus/model/init.lua
index 39e8b53..95ebeb1 100644
--- a/birb/modules/gui/menus/model/init.lua
+++ b/birb/modules/gui/menus/model/init.lua
@@ -21,6 +21,7 @@ function MenuModel:new()
     self.cancel = 0
     self.limit = -1
     -- self:updateWidgetSize()
+    self.hoverFunc = nil
 end
 
 function MenuModel:clear()
@@ -33,6 +34,7 @@ end
 
 function MenuModel:addPage(pageName)
     local page = Page()
+    page.name = pageName
     self.pages[pageName] = page
     self.currentPage = pageName
     return page
@@ -58,6 +60,7 @@ end
 function MenuModel:switch(pageName)
     if (self:pageExists(pageName)) then
         self.currentPage = pageName
+        self:hoverAction()
     end
 end
 
@@ -70,6 +73,10 @@ function MenuModel:getCurrentPage()
     return self:getPage(self.currentPage)
 end
 
+function MenuModel:getCurrentPageName()
+    return self.currentPage
+end
+
 -- UPDATE/DRAW FUNCTIONS
 -- All the update functions
 
@@ -91,6 +98,10 @@ end
 -- ACTION FUNCTIONS
 -- All the actions callback used by the widgets
 
+function MenuModel:addHoverAction(func)
+    self.hoverFunc = func
+end
+
 function MenuModel:cancelAction()
     local page = self:getCurrentPage()
     page:cancelAction()
@@ -106,6 +117,19 @@ function MenuModel:selectedAction()
     page:selectedAction()
 end
 
+function MenuModel:hoverAction()
+    local page = self:getCurrentPage()
+    if (self.hoverFunc ~= nil) then
+        page:hoverAction(self.hoverFunc)
+    end
+end
+
+function MenuModel:lateralAction(func, key)
+    local page = self:getCurrentPage()
+    page:lateralAction(func, key)
+end
+
+
 -- WIDGET FUNCTIONS
 -- All the functions to handle widgets
 
@@ -167,22 +191,29 @@ end
 
 function MenuModel:trySelectWidget(cursorid)
     local page = self:getCurrentPage()
-    return page:trySelectWidget(cursorid)
+    local isSuccess = page:trySelectWidget(cursorid)
+    if (isSuccess) then
+        self:hoverAction()
+    end
+    return isSuccess
 end
 
 function MenuModel:setCursor(cursorid)
     local page = self:getCurrentPage()
     page:setCursor(cursorid)
+    self:hoverAction()
 end
 
 function MenuModel:moveCursorAbsolute(newSelected)
     local page = self:getCurrentPage()
     page:moveCursorAbsolute(newSelected)
+    self:hoverAction()
 end
 
 function MenuModel:moveCursor(relative)
     local page = self:getCurrentPage()
     page:moveCursor(relative)
+    self:hoverAction()
 end
 
 -- DRAW
diff --git a/birb/modules/gui/menus/model/page.lua b/birb/modules/gui/menus/model/page.lua
index d99c471..93f60ab 100644
--- a/birb/modules/gui/menus/model/page.lua
+++ b/birb/modules/gui/menus/model/page.lua
@@ -84,6 +84,18 @@ function Page:selectedAction()
     end
 end
 
+function Page:hoverAction(func)
+    if (self:widgetExist(self.selected)) then
+        func(self.widgets[self.selected])
+    end
+end
+
+function Page:lateralAction(func, key)
+    if (self:widgetExist(self.selected)) then
+        func(key, self.widgets[self.selected], self.selected, self.name)
+    end
+end
+
 -- WIDGET FUNCTIONS
 -- All the functions to handle widgets
 
diff --git a/birb/modules/gui/menus/parent.lua b/birb/modules/gui/menus/parent.lua
index c5bfbd5..65ca974 100644
--- a/birb/modules/gui/menus/parent.lua
+++ b/birb/modules/gui/menus/parent.lua
@@ -42,6 +42,19 @@ function Menu:new(name, x, y, w, h)
   self:updateWidgetSize()
 
   self:initCanvas()
+  self.cancelFunc = nil
+  self.canvas.dual = true
+end
+
+-- FUNCTIONS FUNCTIONS
+-- Add functions to the menu system
+
+function Menu:addCancelAction(func)
+  self.cancelFunc = func
+end
+
+function Menu:addHoverAction(func)
+  self.widget:addHoverAction(func)
 end
 
 -- INTERACTION FUNCTIONS
@@ -112,21 +125,38 @@ function Menu:getPage(pageName)
   self.widget:getPage(pageName)
 end
 
+function Menu:getCurrentPageName()
+  return self.widget:getCurrentPageName()
+end
+
 function Menu:switch(pageName)
   self.widget:switch(pageName)
   self:resetView()
+  self.canvas.needRedraw = true
 end
 
 function Menu:back()
   self.widget:back()
   self:resetView()
+  self.canvas.needRedraw = true
+end
+
+function GuiElement:setSubFocus(widgetId, pageName)
+  if (pageName ~= nil) then
+    self.widget:switch(pageName)
+  end
+  self.widget:trySelectWidget(widgetId)
 end
 
 -- ACTION FUNCTIONS
 -- Send actions to the widgets
 
 function Menu:cancelAction()
-  self.widget:cancelAction()
+  if (self.cancelFunc ~= nil) then
+    self.cancelFunc(self)
+  else
+    self.widget:cancelAction()
+  end
 end
 
 function Menu:clear()
@@ -151,9 +181,12 @@ end
 
 function Menu:drawElement()
   self:draw()
+end
+
+function Menu:drawFinalTexture()
   if (self:haveFocus()) then
     local x, y, w, h = self:getGraphicalCursorPosition()
-    self:drawGraphicalCursor(x, y, w, h)
+    self:drawGraphicalCursor(self.canvas.padding + x, self.canvas.padding + y, w, h)
   end
 end
 
@@ -179,6 +212,7 @@ end
 
 function Menu:addWidget(newwidget)
   self.widget:addWidget(newwidget)
+  self.canvas.needRedraw = true
 end
 
 function Menu:setCancelWidget(id)
diff --git a/birb/modules/gui/menus/views/view1D.lua b/birb/modules/gui/menus/views/view1D.lua
index 563c602..e5c0e07 100644
--- a/birb/modules/gui/menus/views/view1D.lua
+++ b/birb/modules/gui/menus/views/view1D.lua
@@ -31,7 +31,6 @@ end
 
 function View1D:reset()
     self.firstSlot   = 1
-    print("reset")
 end
 
 function View1D:updateFirstSlot(widgetID)
diff --git a/birb/modules/gui/menus/widgets/base.lua b/birb/modules/gui/menus/widgets/base.lua
index b373d52..d2f5356 100644
--- a/birb/modules/gui/menus/widgets/base.lua
+++ b/birb/modules/gui/menus/widgets/base.lua
@@ -37,6 +37,7 @@ function BaseWidget:new(menuName)
     self.canvas = {}
     self.canvas.texture = nil
     self.canvas.needRedraw = true
+    self.canvas.isAnimated = false
 
     self.order = 0
     self:register()
@@ -45,7 +46,7 @@ function BaseWidget:new(menuName)
 end
 
 function BaseWidget:initWrapper()
-    self.scene = core.scenemanager:getScene()
+    self.scene = core.scenemanager.nextScene or core.scenemanager.currentScene
     self.gui = self.scene.gui
     self.assets = self.scene.assets
 end
@@ -60,11 +61,11 @@ function BaseWidget:getMenuByName(name)
 end
 
 function BaseWidget:getScene()
-    return core.scenemanager:getScene()
+    return core.scenemanager.nextScene or core.scenemanager.currentScene
 end
 
 function BaseWidget:getAssets()
-    local scene = core.scenemanager:getScene()
+    local scene = core.scenemanager.nextScene or core.scenemanager.currentScene
     return scene.assets
 end
 
@@ -74,7 +75,7 @@ function BaseWidget:register()
 end
 
 function BaseWidget:redraw()
-    if (self.canvas.needRedraw) then
+    if (self.canvas.needRedraw or self.canvas.isAnimated) then
         self:generateTexture()
     end
 end
diff --git a/birb/modules/gui/menus/widgets/text.lua b/birb/modules/gui/menus/widgets/text.lua
index 5d784dd..7809d04 100644
--- a/birb/modules/gui/menus/widgets/text.lua
+++ b/birb/modules/gui/menus/widgets/text.lua
@@ -40,8 +40,9 @@ end
 
 function TextWidget:addLabel(label, position)
     local complexLabel = {}
+    assert(label ~= nil, "Label can't be nil")
     complexLabel.label = label
-    complexLabel.position = position
+    complexLabel.position = position or "left"
     table.insert(self.labels, complexLabel)
 end
 
diff --git a/birb/modules/gui/mixins/elements.lua b/birb/modules/gui/mixins/elements.lua
index 0bf1511..147a5c1 100644
--- a/birb/modules/gui/mixins/elements.lua
+++ b/birb/modules/gui/mixins/elements.lua
@@ -17,11 +17,14 @@ function ElementList:deleteElement(name)
     self.elements[name] = nil
 end
 
-function ElementList:setFocus(name)
+function ElementList:setFocus(name, widgetId, page)
     assert(self:elementExists(name), "Element " .. name .. " doesn't exists")
     self:storeLastFocus()
     self.focusedElement = name
     self.elements[name].isVisible = true
+    if (widgetId ~= nil) then
+        self.elements[name]:setSubFocus(widgetId, page)
+    end
 end
 
 function ElementList:removeFocus()
diff --git a/birb/modules/gui/mixins/screens.lua b/birb/modules/gui/mixins/screens.lua
index 4e594eb..f41a502 100644
--- a/birb/modules/gui/mixins/screens.lua
+++ b/birb/modules/gui/mixins/screens.lua
@@ -13,4 +13,8 @@ function ScreenList:deleteScreen(name)
     self.screens[name] = nil
 end
 
+function ScreenList:getScreen(name)
+    return self.screens[name]
+end
+
 return ScreenList
\ No newline at end of file
diff --git a/birb/modules/gui/screen/init.lua b/birb/modules/gui/screen/init.lua
new file mode 100644
index 0000000..e95bd14
--- /dev/null
+++ b/birb/modules/gui/screen/init.lua
@@ -0,0 +1,160 @@
+local GuiScreen = Object:extend()
+local ElementList = require "birb.modules.gui.mixins.elements"
+GuiScreen:implement(ElementList)
+
+local TweenManager = require "birb.classes.time"
+local ScreenSet = require "birb.modules.gui.screen.screenset"
+
+local elementDataStruct = require "birb.structures.elementData"
+
+function GuiScreen:new(name)
+    self:initWrapper()
+    self.name = name
+    self.isVisible = false
+    self.transforms = {}
+    self.tweens = TweenManager(self)
+
+    self:reset()
+    self:registerElements()
+    self.gui:addScreen(name, self)
+
+    self.defaultFocus = nil
+end
+
+function GuiScreen:initWrapper()
+    local scene = core.scenemanager.nextScene or core.scenemanager.currentScene
+    self.scene = scene
+    self.gui = scene.gui
+    -- Présent pour la compatibilité
+    self.controller = self.gui
+    self.assets = scene.assets
+end
+
+function GuiScreen:update(dt)
+    self.tweens:update(dt)
+end
+
+function GuiScreen:show(focusElement, widgetId, page)
+    self:showSimple(focusElement, widgetId, page)
+    if (self.set ~= nil) then
+        self.set.owner:show()
+    end
+end
+
+function GuiScreen:showSimple(focusElement, widgetId, page)
+    focusElement = focusElement or self.defaultFocus
+    if (not self.isVisible) then
+        self.isVisible = true
+        local delay = 0
+        if (self.set ~= nil) then
+            delay = self.set:setCurrentScreen(self.name)
+        end
+
+        if (self.transforms["show"] ~= nil) then
+            if (delay == 0) then
+                self:showWithSubScreen(focusElement, widgetId, page)
+            else
+                self.tweens:newFunc(delay, "focus", function () self:showWithSubScreen(focusElement, widgetId, page) end)
+            end
+        end
+    end
+end
+
+function GuiScreen:showWithSubScreen(focusElement, widgetId, page)
+    self:playTransform("show")
+    if (focusElement ~= nil) then
+        self.gui:setFocus(focusElement, widgetId, page)
+    end
+
+    if (self.subscreens ~= nil) then
+        self.subscreens:show()
+    end
+end
+
+function GuiScreen:setDatas(datas)
+
+end
+
+function GuiScreen:hide()
+    local time = 0
+    if (self.isVisible) then
+        if (self.transforms["hide"] ~= nil) then
+            time = self:playTransform("hide")
+            self.tweens:newFunc(time, "hide", function ()
+                self.isVisible = false
+            end)
+        end
+
+        if (self.subscreens ~= nil) then
+            self.subscreens:hideCurrent()
+        end
+    end
+    return time
+end
+
+function GuiScreen:addTransform(name, transform)
+    self.transforms[name] = transform
+end
+
+function GuiScreen:playTransform(name, delay)
+    return self.gui:transform(self.transforms[name], delay)
+end
+
+function GuiScreen:reset()
+    self:initElements()
+end
+
+function GuiScreen:registerElements()
+    local elementList = self:createElements()
+    for _, rawElement in ipairs(elementList) do
+        if (rawElement.is ~= nil) then
+            self:addElement(rawElement.name, rawElement)
+            rawElement.screen = self
+        else
+            local elemData = utils.table.parse(rawElement, elementDataStruct, 3)
+            local element = elemData.element
+            self:addElement(element.name, element)
+            if (elemData.focus == true) then
+                element:getFocus()
+            end
+            if (elemData.delay > 0) then
+                element.isVisible = false
+                element:newSwitch(elemData.delay, {"isVisible"})
+            end
+            if (elemData.depth ~= nil) then
+                element.depth = elemData.depth
+            end
+            if (elemData.keypress ~= nil) then
+                element:setKeyPressAction(elemData.keypress)
+            end
+            element.screen = self
+        end
+    end
+end
+
+function GuiScreen:createElements()
+    -- Empty function
+end
+
+function GuiScreen:setParentSet(set)
+    self.set = set
+end
+
+function GuiScreen:addSubscreen(screen)
+    self:initSubscreen()
+    self.subscreens:add(screen)
+end
+
+function GuiScreen:showSubscreen(screenname)
+    if (self.subscreens ~= nil) then
+        self.subscreens:show(screenname)
+    end
+end
+
+function GuiScreen:initSubscreen()
+    if (self.subscreens == nil) then
+        self.subscreens = ScreenSet(self)
+    end
+end
+
+return GuiScreen
\ No newline at end of file
diff --git a/birb/modules/gui/screen/screenset.lua b/birb/modules/gui/screen/screenset.lua
new file mode 100644
index 0000000..78143d0
--- /dev/null
+++ b/birb/modules/gui/screen/screenset.lua
@@ -0,0 +1,73 @@
+-- screens/screenset :: a set of exclusive screens
+-- Useful to handle a complexe menu with several screens
+
+--[[
+  Copyright © 2021 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 ScreenSet = Object:extend()
+
+function ScreenSet:new(owner)
+    self.set = {}
+    self.defaultScreen = ""
+    self.currentScreen = ""
+    self.owner = owner
+    self.delay = 0
+end
+
+function ScreenSet:show(screenName)
+    local screenName = screenName
+    if (screenName == nil) then
+      if self.currentScreen == "" then
+        screenName = self.defaultScreen
+      else
+        return
+      end
+    end
+    if screenName ~= "" then
+      self.set[screenName]:showSimple()
+    end
+end
+
+function ScreenSet:setCurrentScreen(screenName)
+  screenName = screenName or self.defaultScreen
+  local time = self:hideCurrent() + self.delay
+  self.currentScreen = screenName
+  return time
+end
+
+function ScreenSet:hideCurrent()
+  local time = 0
+  if (self.currentScreen ~= "") then
+    time = self.set[self.currentScreen]:hide()
+    self.currentScreen = ""
+  end
+  return time
+end
+
+function ScreenSet:add(screen, setAsDefault)
+  self.set[screen.name] = screen
+  if (setAsDefault == true or self.defaultScreen == "") then
+    self.defaultScreen = screen.name
+  end
+  screen:setParentSet(self)
+end
+
+return ScreenSet
\ No newline at end of file
diff --git a/birb/modules/gui/textmenu/init.lua b/birb/modules/gui/textmenu/init.lua
index cbd5a68..aa0fc95 100644
--- a/birb/modules/gui/textmenu/init.lua
+++ b/birb/modules/gui/textmenu/init.lua
@@ -41,7 +41,7 @@ function TextMenu:new(name, font, x, y, w, slotNumber, padding, lineSize)
     TextMenu.super.new(self, name, x, y, w, (self.lineHeight * slotNumber), slotNumber)
 end
 
-function TextMenu:addItem(text, position, func, type, additionnalItems, color)
+function TextMenu:addItem(text, position, func, type, additionnalItems, color, additionnalDatas)
   local widget = TextMenu.baseWidgets.Base(self.name, text, position)
   widget:setFunc(func)
   widget.type = type or "select"
@@ -53,6 +53,9 @@ function TextMenu:addItem(text, position, func, type, additionnalItems, color)
   if (color ~= nil) then
     widget:setColor(color[1], color[2], color[3])
   end
+  if (additionnalDatas ~= nil) then
+    widget.datas = additionnalDatas
+  end
 end
 
 function TextMenu:generateSubmenu(pageName, label, parent, list, func, backWidget)
@@ -63,7 +66,7 @@ function TextMenu:generateSubmenu(pageName, label, parent, list, func, backWidge
 end
 
 function TextMenu:setFont(fontName)
-  local scene = core.scenemanager:getScene()
+  local scene = core.scenemanager.currentScene
   self.font = scene.assets:getFont(fontName)
 end
 
diff --git a/birb/modules/scenes.lua b/birb/modules/scenes.lua
index 141da1e..59ddeb8 100644
--- a/birb/modules/scenes.lua
+++ b/birb/modules/scenes.lua
@@ -27,7 +27,6 @@ local cwd  = (...):gsub('%.scenes$', '') .. "."
 local Scene  = Object:extend()
 
 local Assets      = require(cwd .. "assets")
-local MenuSystem  = require(cwd .. "menusystem")
 local Gui = require (cwd .. "gui")
 
 -- INIT FUNCTIONS
@@ -38,7 +37,6 @@ function Scene:new()
   self.mouse.x, self.mouse.y = core.screen:getMousePosition()
 
   self.assets     = Assets()
-  self.menusystem = MenuSystem(self)
   self.sources    = core.input:getSources()
   self.gui = Gui(self)
 
@@ -71,9 +69,7 @@ function Scene:updateScene(dt)
   self:updateStart(dt)
   self:setKeys()
   self.assets:update(dt)
-  self:updateMenus(dt)
-  self:updateDialog(dt)
-  self.gui:update(dt)
+  self:updateGUI(dt)
   self:updateWorld(dt)
   self:update(dt)
   self:updateEnd(dt)
@@ -97,18 +93,11 @@ function Scene:updateWorld(dt)
   end
 end
 
-function Scene:updateDialog(dt)
-  if (self.dialog ~= nil) then
-    self.dialog:update(dt)
-  end
-end
-
-function Scene:updateMenus(dt)
-  if (self.menusystem ~= nil) then
-    self.menusystem:update(dt)
-    if (core.screen:isActive() and (self.dialog == nil)) then
+function Scene:updateGUI(dt)
+  if (self.gui ~= nil) then
+    self.gui:update(dt)
+    if (core.screen:isActive()) then
       self.gui:keycheck(self:getKeys(1))
-      self.menusystem:keycheck()
     end
   end
 end
@@ -158,8 +147,6 @@ function Scene:drawScene()
   self:drawWorld()
   self:draw()
   self.gui:drawBottom()
-  self:drawMenus()
-  self:drawDialog()
   self:drawEnd()
   core.screen:drawTransition()
   self.gui:drawTop()
@@ -188,18 +175,6 @@ function Scene:drawWorld(dt)
   end
 end
 
-function Scene:drawDialog(dt)
-  if (self.dialog ~= nil) then
-    self.dialog:draw()
-  end
-end
-
-function Scene:drawMenus()
-  if (self.menusystem ~= nil) then
-    self.menusystem:draw()
-  end
-end
-
 -- INPUT FUNCTIONS
 -- Handle inputs from keyboard/controllers
 
@@ -209,10 +184,8 @@ function Scene:setKeys()
     if (self.inputLockedTimer <= 0 ) then
       self.inputLocked = false
     end
-    self.menusystem.keys = self:getKeys(1)
   else
     self.sources = core.input.sources
-    self.menusystem.keys = self:getKeys(1)
   end
 end
 
diff --git a/birb/modules/world/actors/mixins/base.lua b/birb/modules/world/actors/mixins/base.lua
index 4d4e278..0bfcee3 100644
--- a/birb/modules/world/actors/mixins/base.lua
+++ b/birb/modules/world/actors/mixins/base.lua
@@ -111,8 +111,4 @@ function BaseActor:drawEnd()
 
 end
 
-function BaseActor:drawHUD(id, height, width)
-
-end
-
 return BaseActor
diff --git a/birb/modules/world/actors/utils/hitbox3D.lua b/birb/modules/world/actors/utils/hitbox3D.lua
index 0158742..261e104 100644
--- a/birb/modules/world/actors/utils/hitbox3D.lua
+++ b/birb/modules/world/actors/utils/hitbox3D.lua
@@ -134,7 +134,7 @@ end
 function Hitbox3D:checkCollisionAtPoint(dx, dy, dz, filter)
   self:updatePosition()
 
-  local dx, dy = self.ox + dx, self.oy + dy, self.oz + dz
+  local dx, dy, dz = self.ox + dx, self.oy + dy, self.oz + dz
   local x, y, z, cols, colNumber = self.world:checkCollisionAtPoint(self, dx, dy, dz, filter)
   local newx, newy, newz = self:getNewOwnerPosition(x, y, z)
 
diff --git a/birb/modules/world/camera/init.lua b/birb/modules/world/camera/init.lua
index 129a338..3044ecf 100644
--- a/birb/modules/world/camera/init.lua
+++ b/birb/modules/world/camera/init.lua
@@ -214,7 +214,6 @@ function CameraSystem:detachView(id)
 
     local unscale = 1 / view.scale
     love.graphics.scale(unscale, unscale)
-    self:drawHUD(id)
 
     love.graphics.pop()
   end
@@ -387,15 +386,4 @@ function CameraSystem:followAllActors(id)
   end
 end
 
-
--- DRAW FUNCTIONS
--- Basic callback to draw stuff
-
-function CameraSystem:drawHUD(id)
-  local view = self:getView(id)
-  local viewx, viewy, vieww, viewh = self:getOnScreenViewCoordinate(id)
-
-  view.target:drawHUD(id, vieww, viewh)
-end
-
 return CameraSystem
diff --git a/birb/utils/math.lua b/birb/utils/math.lua
index 3d0ba85..84aeeaa 100644
--- a/birb/utils/math.lua
+++ b/birb/utils/math.lua
@@ -64,6 +64,18 @@ function Math.either(bool, val1, val2)
   end
 end
 
+function Math.wrap(val, min, max)
+  while (val < min) do
+    local diff = ((min-1) - val)
+    val = max - diff
+  end
+  while (val > max) do
+    local diff = ((max+1) - val)
+    val = min + diff
+  end
+  return val
+end
+
 -- VECTOR/DIRECTION functions
 -- Easy-to-use function to handle point and motion