From 0d6c90a1eae6f5b9451a0a51e9b9323f2a3b9442 Mon Sep 17 00:00:00 2001
From: Daniel Stuart Baxter <shonumi@gmail.com>
Date: Tue, 26 May 2015 23:16:29 -0500
Subject: [PATCH] Rename stuff, generate basic pad IDs for SDL input

---
 src/input_common/controller_state.h      |  2 +-
 src/input_common/input_common.cpp        |  5 ++
 src/input_common/input_common.h          |  6 +++
 src/input_common/sdl_input/sdl_input.cpp | 66 ++++++++++++++++++++----
 src/input_common/sdl_input/sdl_input.h   |  9 ++--
 5 files changed, 72 insertions(+), 16 deletions(-)

diff --git a/src/input_common/controller_state.h b/src/input_common/controller_state.h
index 65eec9d6c..b641a45cc 100644
--- a/src/input_common/controller_state.h
+++ b/src/input_common/controller_state.h
@@ -10,7 +10,7 @@
 namespace InputCommon {
 
     struct ControllerState {
-    	Service::HID::PadState jpad_state;
+    	Service::HID::PadState pad_state;
         s16 circle_pad_x;
         s16 circle_pad_y;
         u16 touch_screen_x;
diff --git a/src/input_common/input_common.cpp b/src/input_common/input_common.cpp
index 00edfc949..33a4d2c5d 100644
--- a/src/input_common/input_common.cpp
+++ b/src/input_common/input_common.cpp
@@ -35,6 +35,11 @@ std::string ControllerBase::GetDeviceName() const {
     return device_name;
 }
 
+
+const Service::HID::PadState ControllerBase::GetPadState() const {
+    return controller.pad_state;
+}
+
 void Init(ControllerBackends backend) {
     switch(backend)
     {
diff --git a/src/input_common/input_common.h b/src/input_common/input_common.h
index fe4351439..f8ce1cd5f 100644
--- a/src/input_common/input_common.h
+++ b/src/input_common/input_common.h
@@ -35,9 +35,15 @@ public:
     ///Returns internal name of currently selected device. Expose this to the UI
     std::string GetDeviceName() const;
 
+    ///Returns internal pad state
+    const Service::HID::PadState GetPadState() const; 
+
 protected:
     ///Internal name of currently selected device
     std::string device_name;
+
+    ///Internal view this specific object will have of 3DS input states
+    ControllerState controller;
 };
 
 ///Initialize the user input system
diff --git a/src/input_common/sdl_input/sdl_input.cpp b/src/input_common/sdl_input/sdl_input.cpp
index 53d941d36..ad7d9a38e 100644
--- a/src/input_common/sdl_input/sdl_input.cpp
+++ b/src/input_common/sdl_input/sdl_input.cpp
@@ -8,13 +8,15 @@ namespace InputCommon {
 
 SDLController::SDLController() {
     device_name = "SDL2::NONE";
-    j_pad = nullptr;
+    jpad = nullptr;
     index = 0;
 
-    controller_state.circle_pad_x = 0;
-    controller_state.circle_pad_y = 0;
-    controller_state.touch_screen_x = 0;
-    controller_state.touch_screen_y = 0;
+    controller.circle_pad_x = 0;
+    controller.circle_pad_y = 0;
+    controller.touch_screen_x = 0;
+    controller.touch_screen_y = 0;
+
+    Init();
 }
 
 SDLController::~SDLController() {
@@ -30,9 +32,10 @@ bool SDLController::Init() {
 
     //Attempt to open joystick with SDL
     //TODO - Use DiscoverDevice to generate a list of available joysticks, then open the correct index
-    j_pad = SDL_JoystickOpen(index);
+    jpad = SDL_JoystickOpen(index);
 
-    if(j_pad == nullptr) {
+    if(jpad == nullptr) {
+        std::cout<<"What\n";
         return false;
     }
 }
@@ -41,14 +44,57 @@ void SDLController::DiscoverDevices() {}
 
 void SDLController::ShutDown() {
     //Attempt to close joystick with SDL
-    if(j_pad != nullptr) {
-        SDL_JoystickClose(j_pad);
+    if(jpad != nullptr) {
+        SDL_JoystickClose(jpad);
     }
 
     //Delete the current user input plugin
     delete g_user_input;
 }
 
-void SDLController::Poll() {}
+void SDLController::Poll() {
+    if(SDL_PollEvent(&input_event)) {
+        if((input_event.type == SDL_JOYBUTTONDOWN) || (input_event.type == SDL_JOYBUTTONUP) 
+        || (input_event.type == SDL_JOYAXISMOTION) || (input_event.type == SDL_JOYHATMOTION)) { 
+            ProcessInput();
+        }
+    }
+}
+
+void SDLController::ProcessInput() {
+    //Use a unique id for joystick input
+    int pad_id = 0;
+    int val = 0;
+    
+    //Pressed state, for joystick buttons only
+    bool pressed = false;
+
+    //Generate the id based on input from an event
+    switch(input_event.type) {
+        //Joystick button press events
+        case SDL_JOYBUTTONDOWN:
+            pad_id = 100;
+            pad_id += input_event.jbutton.button;
+            pressed = true;
+            break;
+
+        //Joystick button release events
+        case SDL_JOYBUTTONUP:
+            pad_id = 100;
+            pad_id += input_event.jbutton.button;
+            pressed = false;
+            break;
+
+        //Joystick axis motion events
+        case SDL_JOYAXISMOTION:
+            pad_id = 200;
+            pad_id += (input_event.jaxis.axis * 2);
+            val = input_event.jaxis.value;
+
+            if(val > 0) {
+                pad_id += 1;
+            }
+    }
+}
 
 }//namespace
diff --git a/src/input_common/sdl_input/sdl_input.h b/src/input_common/sdl_input/sdl_input.h
index 4ffb67c3b..065308383 100644
--- a/src/input_common/sdl_input/sdl_input.h
+++ b/src/input_common/sdl_input/sdl_input.h
@@ -27,18 +27,17 @@ public:
     ///Shuts down all joysticks opened by SDL2
     void ShutDown();
 
+    ///Processes input when polling
+    void ProcessInput();
+
     ///SDL event used for polling
     SDL_Event input_event;
 
 private:
-    SDL_Joystick* j_pad;
+    SDL_Joystick* jpad;
 
     ///Index of joystick, used for opening/closing a joystick
     int index;
-
-    ///Internal view this specific object will have of 3DS input states
-    ControllerState controller_state;
-
 };
 
 } //namespace