Add Start Menu

game.lua

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+
+game = {
+  graphics = {
+    fullscreen = false,
+    mode = { height = love.graphics.getHeight(), width = love.graphics.getWidth() }
+  },
+  fonts = {},
+}
+
+function game:createFonts(offset)
+  self.fonts = {
+    lineHeight = (10 + offset) * 1.7,
+    small = love.graphics.newFont(10 + offset),
+    regular = love.graphics.newFont(14 + offset),
+    large = love.graphics.newFont(24 + offset),
+    very_large = love.graphics.newFont(48 + offset)
+  }
+end
+
+function game:setMode(mode)
+  self.graphics.mode = mode
+  love.graphics.setMode(mode.width, mode.height)
+  if self.graphics.mode.height < 600 then
+    self:createFonts(-2)
+  else
+    self:createFonts(0)
+  end
+end
+
+
+function game:start()
+end

game_states/game_state.lua

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+
+GameState = class("GameState")
+function GameState:initialize(game, name)
+  self.name = name
+  self.game = game
+end
+
+function GameState:update(dt)
+end
+
+function GameState:draw()
+end
+
+function GameState:keypressed(key)
+end

game_states/start_menu.lua

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+require 'views/start_menu_view'
+
+StartMenu = class("Menu", GameState)
+
+function StartMenu:initialize()
+  self.view = StartMenuView()
+end
+
+function StartMenu:update(dt)
+  self.view:update(dt)
+end
+
+function StartMenu:draw()
+  self.view:draw()
+end

lib/quickie/README.md

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+# QUICKIE
+
+Quickie is an [immediate mode gui][IMGUI] library for [LÖVE][LOVE]. Initial inspiration came from the article [Sol on Immediate Mode GUIs (IMGUI)][Sol]. You should check it out to understand how Quickie works.
+
+
+# Example
+
+    local gui = require "Quickie"
+
+    -- lazy font loading
+    local fonts = setmetatable({}, {__index = function(t,k)
+        local f = love.graphics.newFont(k)
+        rawset(t, k, f)
+        return f
+    end })
+
+    function love.load()
+        love.graphics.setBackgroundColor(17,17,17)
+        love.graphics.setFont(fonts[12])
+
+        -- group defaults
+        gui.group.default.size[1] = 150
+        gui.group.default.size[2] = 25
+        gui.group.default.spacing = 5
+    end
+
+    local menu_open = {
+        main  = false,
+        right = false,
+        foo   = false,
+        demo  = false
+    }
+    local check1   = {checked = false, label = "Checkbox"}
+    local check2   = {checked = false, label = "Another one"}
+    local input    = {text = ""}
+    local slider   = {value = .5}
+    local slider2d = {value = {.5,.5}}
+    function love.update(dt)
+        gui.group.push{grow = "down", pos = {5,5}}
+        if gui.Button{text = "Menu"} then
+            menu_open.main = not menu_open.main
+        end
+
+        if menu_open.main then
+            gui.group.push{grow = "right"}
+            if gui.Button{text = "Group stacking"} then
+                menu_open.right = not menu_open.right
+            end
+
+            if menu_open.right then
+                gui.group.push{grow = "up"}
+                if gui.Button{text = "Foo"} then
+                    menu_open.foo = not menu_open.foo
+                end
+                if menu_open.foo then
+                    gui.Button{text = "???"}
+                end
+                gui.group.pop{}
+
+                gui.Button{text = "Bar"}
+                gui.Button{text = "Baz"}
+            end
+            gui.group.pop{}
+
+            if gui.Button{text = "Widget demo"} then
+                menu_open.demo = not menu_open.open
+            end
+
+        end
+        gui.group.pop{}
+
+        if menu_open.demo then
+            gui.group.push{grow = "down", pos = {200, 80}}
+
+            love.graphics.setFont(fonts[20])
+            gui.Label{text = "Widgets"}
+            love.graphics.setFont(fonts[12])
+            gui.group.push{grow = "right"}
+            gui.Button{text = "Button"}
+            gui.Button{text = "Tight Button", size = {"tight"}}
+            gui.Button{text = "Tight² Button", size = {"tight", "tight"}}
+            gui.group.pop{}
+
+            gui.group.push{grow = "right"}
+            gui.Button{text = "", size = {2}}
+            gui.Label{text = "Tight Label", size = {"tight"}}
+            gui.Button{text = "", size = {2}}
+            gui.Label{text = "Center Label", align = "center"}
+            gui.Button{text = "", size = {2}}
+            gui.Label{text = "Another Label"}
+            gui.Button{text = "", size = {2}}
+            gui.group.pop{}
+
+            gui.group.push{grow = "right"}
+            gui.Checkbox{info = check1, size = {"tight"}}
+            gui.Checkbox{info = check2}
+            gui.group.pop{}
+
+            gui.group.push{grow = "right"}
+            gui.Label{text = "Input", size = {70}}
+            gui.Input{info = input, size = {300}}
+            gui.group.pop{}
+
+            gui.group.push{grow = "right"}
+            gui.Label{text = "Slider", size = {70}}
+            gui.Slider{info = slider}
+            gui.Label{text = ("Value: %.2f"):format(slider.value), size = {70}}
+            gui.group.pop{}
+
+            gui.Label{text = "2D Slider", pos = {nil,10}}
+            gui.Slider2D{info = slider2d, size = {250, 250}}
+            gui.Label{text = ("Value: %.2f, %.2f"):format(slider2d.value[1], slider2d.value[2])}
+
+        end
+    end
+
+    function love.draw()
+        gui.core.draw()
+    end
+
+    function love.keypressed(key, code)
+        gui.keyboard.pressed(key, code)
+    end
+
+
+# Documentation
+
+To be done...
+
+
+# License
+
+Copyright (c) 2012 Matthias Richter
+
+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.
+
+Except as contained in this notice, the name(s) of the above copyright holders
+shall not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization.
+
+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.
+
+
+[LOVE]: http://love2d.org
+[IMGUI]: http://www.mollyrocket.com/forums/viewforum.php?f=10
+[Sol]: http://sol.gfxile.net/imgui/

lib/quickie/button.lua

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+--[[
+Copyright (c) 2012 Matthias Richter
+
+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.
+
+Except as contained in this notice, the name(s) of the above copyright holders
+shall not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization.
+
+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 BASE = (...):match("(.-)[^%.]+$")
+local core     = require(BASE .. 'core')
+local group    = require(BASE .. 'group')
+local mouse    = require(BASE .. 'mouse')
+local keyboard = require(BASE .. 'keyboard')
+
+-- the widget
+-- {text = text, pos = {x, y}, size={w, h}, widgetHit=widgetHit, draw=draw}
+return function(w)
+	assert(type(w) == "table" and w.text, "Invalid argument")
+
+	-- if tight fit requested, compute the size according to text size
+	-- have a 2px margin around the text
+	local tight = w.size and (w.size[1] == 'tight' or w.size[2] == 'tight')
+	if tight then
+		local f = assert(love.graphics.getFont())
+		if w.size[1] == 'tight' then
+			w.size[1] = f:getWidth(w.text) + 4
+		end
+		if w.size[2] == 'tight' then
+			w.size[2] = f:getHeight(w.text) + 4
+		end
+	end
+
+	-- Generate unique identifier for gui state update and querying.
+	local id = core.generateID()
+
+	-- group.getRect determines the position and size of the widget according
+	-- to the currently active group. Both arguments may be omitted.
+	local pos, size = group.getRect(w.pos, w.size)
+
+	-- mouse.updateWidget(id, {x,y}, {w,h}, widgetHit) updates the state for this widget.
+	-- widgetHit may be nil, in which case mouse.widgetHit will be used.
+	-- The widget mouse-state can be:
+	--   hot (mouse over widget),
+	--   active (mouse pressed on widget) or
+	--   normal (mouse not on widget and not pressed on widget).
+	mouse.updateWidget(id, pos, size, w.widgetHit)
+
+	-- keyboard.makeCyclable makes the item focus on tab or whatever binding is
+	-- in place (see core.keyboard.cycle). Cycle order is determied by the
+	-- order you call the widget functions.
+	keyboard.makeCyclable(id)
+
+	-- core.registerDraw(id, drawfunction, drawfunction-arguments...)
+	-- shows widget when core.draw() is called.
+	core.registerDraw(id, w.draw or core.style.Button,
+		w.text, pos[1],pos[2], size[1],size[2])
+
+	return mouse.releasedOn(id) or (keyboard.key == 'return' and keyboard.hasFocus(id))
+end
+

lib/quickie/checkbox.lua

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+--[[
+Copyright (c) 2012 Matthias Richter
+
+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.
+
+Except as contained in this notice, the name(s) of the above copyright holders
+shall not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization.
+
+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 BASE = (...):match("(.-)[^%.]+$")
+local core     = require(BASE .. 'core')
+local group    = require(BASE .. 'group')
+local mouse    = require(BASE .. 'mouse')
+local keyboard = require(BASE .. 'keyboard')
+
+-- {info = {checked = status, label = "", algin = "left"}, pos = {x, y}, size={w, h}, widgetHit=widgetHit, draw=draw}
+return function(w)
+	assert(type(w) == "table")
+	w.info.label = w.info.label or ""
+
+	local tight = w.size and (w.size[1] == 'tight' or w.size[2] == 'tight')
+	if tight then
+		local f = assert(love.graphics.getFont())
+		if w.size[1] == 'tight' then
+			w.size[1] = f:getWidth(w.info.label)
+		end
+		if w.size[2] == 'tight' then
+			w.size[2] = f:getHeight(w.info.label)
+		end
+		-- account for the checkbox
+		local bw = math.min(w.size[1] or group.size[1], w.size[2] or group.size[2])
+		w.size[1] = w.size[1] + bw + 4
+	end
+
+	local id = core.generateID()
+	local pos, size = group.getRect(w.pos, w.size)
+
+	mouse.updateWidget(id, pos, size, w.widgetHit)
+	keyboard.makeCyclable(id)
+
+	local checked = w.info.checked
+	local key = keyboard.key
+	if mouse.releasedOn(id) or ((key == 'return' or key == ' ') and keyboard.hasFocus(id)) then
+		w.info.checked = not w.info.checked
+	end
+
+	core.registerDraw(id, w.draw or core.style.Checkbox,
+		w.info.checked, w.info.label, w.info.align or 'left', pos[1], pos[2], size[1], size[2])
+
+	return w.info.checked ~= checked
+end
+