Clean up old SDL refs in render package

README.md

@@ -30,6 +30,59 @@ Doodle is a drawing-based maze game written in Go.
 * If you receive a map with custom doodads, you can **install** the doodads
   into your copy of the game and use them in your own maps.
 
+# Keybindings
+
+Global Keybindings:
+
+```
+Escape
+  Close the developer console if open, without running any commands.
+  Exit the program otherwise.
+
+Enter
+  Open and close the developer console, and run commands while the console
+  is open.
+```
+
+In Play Mode:
+
+```
+Cursor Keys
+  Move the player around.
+```
+
+In Edit Mode:
+
+```
+F12
+  Take a screenshot (generate a PNG based on level data)
+```
+
+## Developer Console
+
+Press `Enter` at any time to open the developer console.
+
+Commands supported:
+
+```
+new
+  Create a new map in Edit Mode.
+
+save [filename.json]
+  Save the current map in Edit Mode. The filename is required if the map has
+  not been saved yet.
+
+edit [filename.json]
+  Open a map in Edit Mode.
+
+play [filename.json]
+  Open a map in Play Mode.
+
+exit
+quit
+  Close the developer console.
+```
+
 # Milestones
 
 As a rough idea of the milestones needed for this game to work:
@@ -51,6 +104,12 @@ As a rough idea of the milestones needed for this game to work:
   canvas into this custom file format.
 * [x] Make the program able to read this file format and reproduce the same
   pixels on the canvas.
+* [x] Abstract away SDL logic into a small corner so it can be replaced with
+  OpenGL or something later on.
+* [x] Implement a command line shell in-game to ease development before a user
+  interface is created.
+  * [ ] Add support for the shell to pop itself open and ask the user for
+    input prompts.
 
 ## Platformer
 

render/render.go

@@ -1,7 +0,0 @@
-// Package render manages the SDL rendering context for Doodle.
-package render
-
-import "github.com/veandco/go-sdl2/sdl"
-
-// Renderer is a singleton instance of the SDL renderer.
-var Renderer *sdl.Renderer

render/sdl/sdl.go

@@ -83,7 +83,6 @@ func (r *Renderer) Setup() error {
 		panic(err)
 	}
 	r.renderer = renderer
-	render.Renderer = renderer
 
 	return nil
 }

render/text.go

@@ -1,35 +0,0 @@
-package render
-
-import (
-	"github.com/veandco/go-sdl2/sdl"
-	"github.com/veandco/go-sdl2/ttf"
-)
-
-var fonts map[int]*ttf.Font = map[int]*ttf.Font{}
-
-// LoadFont loads and caches the font at a given size.
-func LoadFont(size int) (*ttf.Font, error) {
-	if font, ok := fonts[size]; ok {
-		return font, nil
-	}
-
-	font, err := ttf.OpenFont("./fonts/DejaVuSansMono.ttf", size)
-	if err != nil {
-		return nil, err
-	}
-	fonts[size] = font
-
-	return font, nil
-}
-
-// TextConfig are settings for rendered text.
-type TextConfig struct {
-	Text        string
-	Size        int
-	Color       sdl.Color
-	StrokeColor sdl.Color
-	X           int32
-	Y           int32
-	W           int32
-	H           int32
-}