From c736bc25729fc72b7c766bd95ba0b5443e44a937 Mon Sep 17 00:00:00 2001
From: Daniel Stuart Baxter <shonumi@gmail.com>
Date: Fri, 29 May 2015 09:44:41 -0500
Subject: [PATCH] Added support for hat input aka 'dpads'

---
 src/input_common/sdl_input/sdl_input.cpp | 66 ++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 4 deletions(-)

diff --git a/src/input_common/sdl_input/sdl_input.cpp b/src/input_common/sdl_input/sdl_input.cpp
index 6958aa473..c47f6f859 100644
--- a/src/input_common/sdl_input/sdl_input.cpp
+++ b/src/input_common/sdl_input/sdl_input.cpp
@@ -111,10 +111,68 @@ void SDLController::ProcessInput() {
             pad_id += input_event.jhat.hat * 4;
 
             switch(input_event.jhat.value) {
-                case SDL_HAT_LEFT: break;
-                case SDL_HAT_RIGHT: pad_id += 1; break;
-                case SDL_HAT_UP: pad_id += 2; break;
-                case SDL_HAT_DOWN: pad_id += 3; break;
+                case SDL_HAT_CENTERED:
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_LEFT:
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_LEFTUP:
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_LEFTDOWN:
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_RIGHT: 
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_RIGHTUP: 
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_RIGHTDOWN: 
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_UP: 
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
+
+                case SDL_HAT_DOWN: 
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+1, joypad_id}).hex;
+                    controller.pad_state.hex &= ~KeyMap::GetPadKey({pad_id+2, joypad_id}).hex;
+                    controller.pad_state.hex |= KeyMap::GetPadKey({pad_id+3, joypad_id}).hex;
+                    break;
             }
 
             break;