First commit.

main.lua

@@ -0,0 +1,147 @@
+------------------------------------------------------------------------------
+-- Imports
+------------------------------------------------------------------------------
+
+local love           = require 'love'
+local game_states    = require 'src.states'
+local settings       = require 'src.utils.settings'
+local Fader          = require 'src.graphics.fader'
+
+
+------------------------------------------------------------------------------
+-- Variables
+------------------------------------------------------------------------------
+
+Current_state = 1
+Fade          = Fader()
+Change_state  = false
+Debug         = false
+
+
+------------------------------------------------------------------------------
+-- Helper methods
+------------------------------------------------------------------------------
+
+local function parse_args(args)
+    for _, v in pairs(args) do
+        if v == '-debug'      then Debug         = true end
+        if v == '-skip-intro' then Current_state = 2    end
+    end
+end
+
+
+------------------------------------------------------------------------------
+-- Game methods
+------------------------------------------------------------------------------
+
+function love.load(args)
+    parse_args(args)
+
+    -- Obtain the settings for the game.
+    settings:load_settings()
+
+    -- Load the assets of the intro game state.
+    game_states[Current_state]:load()
+
+    -- Call a fade in after the intro assets are loaded.
+    Fade:fade_in()
+end
+
+
+function love.update(dt)
+    local new_state = game_states[Current_state]:update(dt)
+
+    -- If the game state changed then trigger a fade out.
+    if new_state ~= Current_state and Fade.done then
+        Fade:fade_out()
+        Change_state = true
+    end
+
+    Fade:update(dt)
+
+    -- Update the game state.
+    if game_states[new_state] == nil then
+        -- If the new state doesn't exist then wait for the fade out to end and quit.
+        if Fade.done then
+            game_states[Current_state]:unload(dt)
+            love.event.quit()
+
+            -- Save the settings before quitting just in case.
+            settings:save_settings()
+        end
+    else
+        -- If the new state exists then unload it's data and set the new state.
+        if Change_state and Fade.done then
+            game_states[Current_state]:unload(dt)
+            Current_state = new_state
+            Change_state = false
+            Fade:fade_in()
+        end
+    end
+end
+
+
+function love.draw()
+    love.graphics.clear()
+    game_states[Current_state]:draw()
+    Fade:draw()
+
+    if Debug then
+        -- love.graphics.setColor(0, 0, 0)
+        -- love.graphics.rectangle('fill', 0, 0, 140, 50)
+        love.graphics.setColor(255, 250, 0)
+        love.graphics.print(string.format('OS: %s', love.system.getOS()), 5, 5)
+        love.graphics.print(string.format('Love version: %s', love.getVersion()), 5, 15)
+        love.graphics.print(string.format('Memory usage: %s KiB', love.system.getMemUsage()), 5, 25)
+        love.graphics.print(string.format('FPS: %.2f', 1.0 / love.timer.getAverageDelta()), 5, 35)
+        love.graphics.setColor()
+    end
+end
+
+
+function love.keypressed(key, code, isrepeat)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:keypressed(key, code, isrepeat)
+    end
+end
+
+
+function love.keyreleased(key, code)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:keyreleased(key, code)
+    end
+end
+
+
+function love.textinput(text)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:textinput(text)
+    end
+end
+
+
+function love.mousemoved(x, y, dx, dy)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:mousemoved(x, y, dx, dy)
+    end
+end
+
+
+function love.mousepressed(x, y, btn)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:mousepressed(x, y, btn)
+    end
+end
+
+
+function love.mousereleased(x, y, btn)
+    -- Send events to the active game state if there is no fade active.
+    if Fade.done then
+        game_states[Current_state]:mousereleased(x, y, btn)
+    end
+end