From 9e43b02620a9f52f33052a3c624af398b729f1a9 Mon Sep 17 00:00:00 2001
From: bizcochito <bizcochito@anartist.org>
Date: Thu, 20 Jan 2022 15:18:40 +0100
Subject: [PATCH] implemented the button thing (badly(im sorry)

---
 data/scripts.lua           |   1 +
 data/scripts/pause.lua     |  49 ++++++++++++++++-
 data/scripts/ui/button.lua | 106 +++++++++++++++++++++++++++++++++++++
 main.lua                   |   8 ++-
 4 files changed, 161 insertions(+), 3 deletions(-)
 create mode 100644 data/scripts/ui/button.lua

diff --git a/data/scripts.lua b/data/scripts.lua
index 48cea90..34b42c3 100644
--- a/data/scripts.lua
+++ b/data/scripts.lua
@@ -18,6 +18,7 @@ require "data/scripts/objects"
 require "data/scripts/debug"
 require "data/scripts/keybind"
 require "data/scripts/pause"
+require "data/scripts/ui/button"
 -- game loop
 require "data/scripts/game"
 require "data/scripts/gameworld"
diff --git a/data/scripts/pause.lua b/data/scripts/pause.lua
index 499a3bb..adae5b1 100644
--- a/data/scripts/pause.lua
+++ b/data/scripts/pause.lua
@@ -12,8 +12,55 @@ function PauseUI()
   love.graphics.rectangle("fill", 0, 0, game.width, game.height)
   love.graphics.setColor(1,1,1,1)
   love.graphics.rectangle("fill", pauseX, pauseY, pauseWidth, pauseHeight)
-
+  -- Buttons
+  for _, element in pairs(UIElement) do
+    element:Draw()
+  end
 
   -- Reset scale
   love.graphics.scale(2,2)
 end
+
+function MenuStep(menu)
+  -- first get mouse
+  local mouse_x, mouse_y = love.mouse.getPosition()
+  for _, element in pairs(UIElement) do
+    if element.type == "Button" then
+      element:checkMouse(mouse_x, mouse_y)
+    end
+  end
+  if menu == "pauseMenu" then
+    if PauseResume:getVariable() == true then
+      MenuExit(menu,0)
+      do_pause = false
+    elseif PauseExit:getVariable() == true then
+      love.event.quit()
+    end
+  else
+
+  end
+end
+
+function MenuExit(from,to)
+  for _, element in pairs(UIElement) do
+    element = nil
+  end
+  UIElement = {}
+  if from == "pauseMenu" then
+    PauseResume = nil
+    PauseOptions = nil
+    PauseExit = nil
+  end
+  menuPage = to or nil
+end
+
+function MenuInit(menu)
+  local buttonStandard = {width = 200, height = 30, separation = 10}
+  -- main menu
+  if menu == "pauseMenu" then
+    -- elements
+    PauseResume = interfaceButton:New(game.width/2, game.height/2-buttonStandard.height-buttonStandard.separation, buttonStandard.width, buttonStandard.height, {false,true}, 1, {text = "Resume", color = {0,0,0.5}, color2 = {1,1,1}})
+    PauseOptions = interfaceButton:New(game.width/2, game.height/2, buttonStandard.width, buttonStandard.height, {false,true}, 1, {text = "Options", color = {0,0,0.5}, color2 = {1,1,1}})
+    PauseExit = interfaceButton:New(game.width/2, game.height/2+buttonStandard.height+buttonStandard.separation, buttonStandard.width, buttonStandard.height, {false,true}, 1, {text = "Exit", color = {0,0,0.5}, color2 = {1,1,1}})
+  end
+end
diff --git a/data/scripts/ui/button.lua b/data/scripts/ui/button.lua
new file mode 100644
index 0000000..2ff478e
--- /dev/null
+++ b/data/scripts/ui/button.lua
@@ -0,0 +1,106 @@
+interfaceButton = {type = "Button"}
+
+-- centered buttons
+function interfaceButton:New(x,y,w,h,table_values,value,style)
+
+  o = {}
+  o.pos = {
+    x = x,
+    y = y
+  }
+  o.size = {
+    w = w,
+    h = h
+
+  }
+
+  o.values = table_values or {false,true}
+  o.value = value or 1
+  o.target_variable = o.values[o.value]
+
+  o.clicked = false
+
+  o.style = {
+    text = style.text or nil,
+    color = style.color or {1,1,1},
+    color2 = style.color2 or {0,0,0},
+    --color3 = style.color3 or style.color2 or {0,0,0},
+    alpha = style.alpha or 1,
+    scale = style.scale or 1,
+    scale_x = style.scale_x or 1,
+    scale_y = style.scale_y or 1,
+    scale_proportion = 1
+  }
+
+  o.style.unselected = {
+    scale_proportion = o.style.scale_proportion
+  }
+
+  o.style.selected = {
+    scale_proportion = 1.5
+  }
+
+
+  AddElement(o)
+
+  setmetatable(o, self)
+  self.__index = self
+
+  return o
+end
+
+function interfaceButton:getVariable()
+  return self.target_variable
+end
+function AddElement(self)
+  table.insert(UIElement,self)
+
+  self.id = #UIElement
+end
+
+function interfaceButton:checkMouse(mouse_x, mouse_y)
+  if  self.clicked == false
+  and mouse_x < self.pos.x + self.size.w/2
+  and mouse_x > self.pos.x - self.size.w/2
+  and mouse_y < self.pos.y + self.size.h/2
+  and mouse_y > self.pos.y - self.size.h/2 then
+    o.style.scale_proportion = o.style.selected.scale_proportion
+    if love.mouse.isDown(1) then
+      self.clicked = true
+      self.value = self.value + 1
+      if self.value > #self.values then
+        self.value = 1
+      end
+      self.target_variable = self.values[self.value]
+    end
+  else
+    o.style.scale_proportion = o.style.unselected.scale_proportion
+    self.clicked = false
+  end
+end
+
+function interfaceButton:Draw()
+  local c1, c2, c3, a = love.graphics.getColor()
+
+  love.graphics.setColor(self.style.color[1],self.style.color[2],self.style.color[3],self.style.alpha)
+  love.graphics.rectangle(
+    "fill",
+    self.pos.x-(self.size.w/2)*self.style.scale_x*self.style.scale_proportion,
+    self.pos.y-(self.size.h/2)*self.style.scale_y*self.style.scale_proportion,
+    self.size.w               *self.style.scale_x*self.style.scale_proportion,
+    self.size.h               *self.style.scale_y*self.style.scale_proportion)
+  love.graphics.setColor(self.style.color2[1],self.style.color2[2],self.style.color2[3],self.style.alpha)
+  love.graphics.rectangle(
+    "line",
+    self.pos.x-(self.size.w/2)*self.style.scale_x*self.style.scale_proportion,
+    self.pos.y-(self.size.h/2)*self.style.scale_y*self.style.scale_proportion,
+    self.size.w               *self.style.scale_x*self.style.scale_proportion,
+    self.size.h               *self.style.scale_y*self.style.scale_proportion)
+
+  if self.style.text ~= nil then
+    love.graphics.print(self.style.text,self.pos.x,self.pos.y)
+  else
+    love.graphics.print(tostring(self.target_variable),self.pos.x,self.pos.y)
+  end
+  love.graphics.setColor(c1,c2,c3,a)
+end
diff --git a/main.lua b/main.lua
index df1769e..f1ba07e 100644
--- a/main.lua
+++ b/main.lua
@@ -13,6 +13,8 @@ function love.load()
 	fps_draw = 0
 	fps_total = 0
 
+	UIElement = {}
+
 	love.graphics.setColor(1,1,1)
 	love.keyboard.setKeyRepeat(true)
 	love.graphics.setDefaultFilter("nearest") -- good pixel
@@ -64,13 +66,15 @@ function love.update(dt)
 	fps_count = fps_count + 1
 	current_dt = dt
 
-
+	--MenuStep
+	MenuStep(menuPage)
 	--keypressed
 	if Keybind:HasPressed(Keybind.menu.pause) then
     if do_pause then
 			do_pause = false
 		else
-			pausepage = 1
+			menuPage = "pauseMenu"
+			MenuInit(menuPage)
 			do_pause = true
 		end
   end