fna-workbench

fna-workbench Commit Details


Date:2016-01-18 13:40:20 (9 years 7 months ago)
Author:Ethan Lee
Branch:master
Commit:39023e15e94ded94f79efb20391ad3a1b101616a
Parents: 124241feb24357bb7a337edde67efa1a63038acf
Message:USE_SCANCODES is now an environment variable
Changes:

File differences

src/SDL2/SDL2_FNAPlatform.cs
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*/␊
#endregion␊
␊
#region USE_SCANCODES Option␊
// #define USE_SCANCODES␊
/* XNA Keys are based on keycodes, rather than scancodes.␊
*␊
* With SDL2 you can actually pick between SDL_Keycode and SDL_Scancode, but␊
* scancodes will not be accurate to XNA4. The benefit is that scancodes will␊
* essentially ignore "foreign" keyboard layouts, making default keyboard␊
* layouts work out of the box everywhere (unless the actual symbol for the keys␊
* matters in your game).␊
*␊
* At the same time, the TextInputEXT extension will still read the actual chars␊
* correctly, so you can (mostly) have your cake and eat it too if you don't␊
* care about your bindings menu not making a lot of sense on foreign layouts.␊
* -flibit␊
*/␊
#endregion␊
␊
#region Using Statements␊
using System;␊
using System.IO;␊
␉␉␉␉osxUseSpaces = false;␊
␉␉␉}␊
␊
␉␉␉// Do we want to read keycodes or scancodes?␊
␉␉␉SDL2_KeyboardUtil.UseScancodes = Environment.GetEnvironmentVariable(␊
␉␉␉␉"FNA_KEYBOARD_USE_SCANCODES"␊
␉␉␉) == "1";␊
␉␉␉if (SDL2_KeyboardUtil.UseScancodes)␊
␉␉␉{␊
␉␉␉␉Log("Using scancodes instead of keycodes!");␊
␉␉␉}␊
␊
␉␉␉// Active Key List␊
␉␉␉List<Keys> keys = new List<Keys>();␊
␊
␉␉␉␉␉// Keyboard␊
␉␉␉␉␉if (evt.type == SDL.SDL_EventType.SDL_KEYDOWN)␊
␉␉␉␉␉{␊
#if USE_SCANCODES␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(evt.key.keysym.scancode);␊
#else␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(evt.key.keysym.sym);␊
#endif␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(ref evt.key.keysym);␊
␉␉␉␉␉␉if (!keys.Contains(key))␊
␉␉␉␉␉␉{␊
␉␉␉␉␉␉␉keys.Add(key);␊
␉␉␉␉␉}␊
␉␉␉␉␉else if (evt.type == SDL.SDL_EventType.SDL_KEYUP)␊
␉␉␉␉␉{␊
#if USE_SCANCODES␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(evt.key.keysym.scancode);␊
#else␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(evt.key.keysym.sym);␊
#endif␊
␉␉␉␉␉␉Keys key = SDL2_KeyboardUtil.ToXNA(ref evt.key.keysym);␊
␉␉␉␉␉␉if (keys.Remove(key))␊
␉␉␉␉␉␉{␊
␉␉␉␉␉␉␉if (key == Keys.Back)␊
src/SDL2/SDL2_KeyboardUtil.cs
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{␊
␉internal static class SDL2_KeyboardUtil␊
␉{␊
␉␉#region Public Static Key Map Override␊
␊
␉␉public static bool UseScancodes = false;␊
␊
␉␉#endregion␊
␊
␉␉#region Private SDL2->XNA Key Hashmaps␊
␊
␉␉/* From: http://blogs.msdn.com/b/shawnhar/archive/2007/07/02/twin-paths-to-garbage-collector-nirvana.aspx␊
␊
␉␉#region Public SDL2<->XNA Key Conversion Methods␊
␊
␉␉public static Keys ToXNA(SDL.SDL_Keycode key)␊
␉␉public static Keys ToXNA(ref SDL.SDL_Keysym key)␊
␉␉{␊
␉␉␉Keys retVal;␊
␉␉␉if (INTERNAL_keyMap.TryGetValue((int) key, out retVal))␊
␉␉␉if (UseScancodes)␊
␉␉␉{␊
␉␉␉␉return retVal;␊
␉␉␉␉if (INTERNAL_scanMap.TryGetValue((int) key.scancode, out retVal))␊
␉␉␉␉{␊
␉␉␉␉␉return retVal;␊
␉␉␉␉}␊
␉␉␉}␊
␉␉␉else␊
␉␉␉{␊
␉␉␉␉SDL2_FNAPlatform.Log("KEY MISSING FROM SDL2->XNA DICTIONARY: " + key.ToString());␊
␉␉␉␉return Keys.None;␊
␉␉␉}␊
␉␉}␊
␊
␉␉public static Keys ToXNA(SDL.SDL_Scancode key)␊
␉␉{␊
␉␉␉Keys retVal;␊
␉␉␉if (INTERNAL_scanMap.TryGetValue((int) key, out retVal))␊
␉␉␉{␊
␉␉␉␉return retVal;␊
␉␉␉}␊
␉␉␉else␊
␉␉␉{␊
␉␉␉␉SDL2_FNAPlatform.Log("SCANCODE MISSING FROM SDL2->XNA DICTIONARY: " + key.ToString());␊
␉␉␉␉return Keys.None;␊
␉␉␉␉if (INTERNAL_keyMap.TryGetValue((int) key.sym, out retVal))␊
␉␉␉␉{␊
␉␉␉␉␉return retVal;␊
␉␉␉␉}␊
␉␉␉}␊
␉␉␉SDL2_FNAPlatform.Log(␊
␉␉␉␉"KEY/SCANCODE MISSING FROM SDL2->XNA DICTIONARY: " +␊
␉␉␉␉key.sym.ToString() + " " +␊
␉␉␉␉key.scancode.ToString()␊
␉␉␉);␊
␉␉␉return Keys.None;␊
␉␉}␊
␊
␉␉public static Keys KeyFromScancode(Keys scancode)␊

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