configurable funfriend size

README.md

@@ -8,6 +8,8 @@ currently just kind of sits and wanders around
 
 you can right click to catmode
 
+config is in `~/.config/funfriend/` or `%AppData%/funfriend/` or `~/Library/Application Support/funfriend`
+
 ## installation
 
 grab yourself `SDL2`, `SDL2_mixer` and `GLFW` development libraries, then run

src/configman.cr

@@ -0,0 +1,80 @@
+require "file_utils"
+require "ini"
+
+module Funfriend::ConfigMan
+  extend self
+
+  APPLICATION_NAME = "funfriend"
+
+  CONFIG_NAME = "cfg.ini"
+
+  alias ConfigValue = String | Int32 | Bool
+  alias ConfigSection = Hash(String, ConfigValue)
+  alias Config = Hash(String, ConfigSection)
+
+  DEFAULT_CONFIG = {
+    "window" => {
+      "funfriend_size" => 64.as(ConfigValue)
+    }
+  }.as(Config)
+
+  def get_config_path : Path
+    {% if flag?(:windows) %}
+      Path.new(ENV["APPDATA"]) / APPLICATION_NAME
+    {% elsif flag?(:macosx) %}
+      Path.home / "Library" / "Application Support" / APPLCATION_NAME
+    {% elsif flag?(:unix) %}
+      (ENV["XDG_CONFIG_HOME"]?.try { |p| Path.new(p) } || (Path.home / ".config")) / APPLICATION_NAME
+    {% end %}
+  end
+
+  @@config_initialized = false
+  @@config = {} of String => ConfigSection
+
+  def config
+    if !@@config_initialized
+      raise "config read before initialization"
+    end
+    @@config
+  end
+
+  def init
+    config_path = get_config_path
+    FileUtils.mkdir_p(config_path)
+
+    config_file = config_path / CONFIG_NAME
+
+    if !File.exists?(config_file)
+      @@config = DEFAULT_CONFIG.dup
+      File.write(config_file, INI.build(@@config))
+    else
+      parsed = INI.parse(File.read(config_file))
+      @@config = DEFAULT_CONFIG.dup
+      parsed.each do |sect_i, section|
+        section.each do |key, value|
+          # if it exists in the default config
+          if DEFAULT_CONFIG[sect_i]?.try &.[key]?
+            # try casting
+            casted_val = case DEFAULT_CONFIG[sect_i][key]
+            when String
+              value
+            when Int32
+              puts "huh"
+              value.to_i32?
+            when Bool
+              value === "1" || value.downcase === "true"
+            end
+
+            # casted_val being nil means it failed; fall back to default
+            if casted_val != nil
+              # write to config
+              @@config[sect_i][key] = casted_val.not_nil!
+            end
+          end
+        end
+      end
+    end
+
+    @@config_initialized = true
+  end
+end

src/funfriend.cr

@@ -6,6 +6,7 @@ require "crystimage"
 require "./log.cr"
 require "./ease.cr"
 require "./gl.cr"
+require "./configman.cr"
 require "./textureman.cr"
 require "./fontman.cr"
 require "./soundman.cr"
@@ -47,6 +48,7 @@ module Funfriend
   def self.run
     Logging.init
 
+    ConfigMan.init
     SoundMan.init
 
     CrystGLFW.run do

src/funfriend_context.cr

@@ -1,5 +1,4 @@
 class Funfriend::FunfriendContext < Funfriend::WindowContext
-  WINDOW_SIZE = {width: 82, height: 82}
   CHATTER_TIMER = 3.0
 
   CHATTER_ARRAY = [
@@ -32,7 +31,7 @@ class Funfriend::FunfriendContext < Funfriend::WindowContext
   def initialize
     super(
       title: "??_FUNFRIEND_??",
-      width: WINDOW_SIZE[:width], height: WINDOW_SIZE[:height],
+      width: window_size[:width], height: window_size[:height],
       transparent: true
     )
 
@@ -70,11 +69,17 @@ class Funfriend::FunfriendContext < Funfriend::WindowContext
 
     # pick a random pos
     monitor = Monitor.primary
-    window.position = {
+    random_pos = {
       x: monitor.position[:x] + (monitor.video_mode.size[:width] * rand((0.0..1.0))).to_i,
       y: monitor.position[:y] + (monitor.video_mode.size[:height] * rand((0.0..1.0))).to_i
     }
-    @static_pos = window.position
+    window.position = random_pos
+    @static_pos = random_pos
+  end
+
+  def window_size
+    funfriend_size = ConfigMan.config["window"]["funfriend_size"].as(Int32)
+    {width: (funfriend_size * 1.3).to_i, height: (funfriend_size * 1.3).to_i}
   end
 
   def render(dt : Float64)
@@ -82,7 +87,7 @@ class Funfriend::FunfriendContext < Funfriend::WindowContext
     window.make_context_current
 
     # draw funfriend
-    renderer.render(dt, WINDOW_SIZE[:width], WINDOW_SIZE[:height])
+    renderer.render(dt, window_size[:width], window_size[:height])
   end
 
   def goto(pos : NamedTuple(x: Int32, y: Int32), dur : Float64)
@@ -139,8 +144,8 @@ class Funfriend::FunfriendContext < Funfriend::WindowContext
     end
 
     Funfriend.add_context(ChatterContext.new(text, {
-      x: window.position[:x] + WINDOW_SIZE[:width]  // 2,
-      y: window.position[:y] + WINDOW_SIZE[:height] // 2 - 70
+      x: window.position[:x] + window_size[:width]  // 2,
+      y: window.position[:y] - 20
     }, parent: self))
 
     SoundMan.play_sound("assets/sfx/talk#{(1..8).sample}.ogg")

src/funfriend_renderer.cr

@@ -1,5 +1,4 @@
 class Funfriend::FunfriendRenderer
-  FUNFRIEND_SIZE = {width: 64, height: 64}
   FPS = 10.0
 
   getter shader_program : Program
@@ -17,6 +16,11 @@ class Funfriend::FunfriendRenderer
     @textures = init_textures
   end
 
+  def funfriend_size
+    funfriend_size = ConfigMan.config["window"]["funfriend_size"].as(Int32)
+    {width: funfriend_size, height: funfriend_size}
+  end
+
   def init_textures
     return {
       "normal" => TextureMan::TextureBasket.new(
@@ -96,7 +100,7 @@ class Funfriend::FunfriendRenderer
     frame[:tex].bind(Texture::Target::Texture2D) do
       shader_program.use do |shader|
         shader.set_uniform("texture1", 0)
-        shader.set_uniform("funfriendSize", FUNFRIEND_SIZE[:width].to_f32, FUNFRIEND_SIZE[:height].to_f32)
+        shader.set_uniform("funfriendSize", funfriend_size[:width].to_f32, funfriend_size[:height].to_f32)
         shader.set_uniform("resolution", window_width.to_f32, window_height.to_f32)
         shader.set_uniform("time", CrystGLFW.time.to_f32)