From b3bc4b21d17f7e434e21684ca6a2c111ea150fbb Mon Sep 17 00:00:00 2001
From: Ray <raysan5@gmail.com>
Date: Fri, 14 Oct 2016 00:47:43 +0200
Subject: [PATCH] Working on better gamepad support

---
 src/core.c   | 45 +++++++++++++++++++++++++++++++++++++++++++--
 src/raylib.h |  1 +
 2 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/src/core.c b/src/core.c
index a35dbae05..b07179d45 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1166,6 +1166,17 @@ bool IsGamepadAvailable(int gamepad)
     return result;
 }
 
+// Return gamepad internal name id
+const char *GetGamepadName(int gamepad)
+{
+#if defined(PLATFORM_DESKTOP)
+    if (glfwJoystickPresent(gamepad) == 1) return glfwGetJoystickName(gamepad);
+    else return NULL;
+#else
+    return NULL;
+#endif
+}
+
 // Return axis movement vector for a gamepad
 float GetGamepadAxisMovement(int gamepad, int axis)
 {
@@ -1192,7 +1203,11 @@ float GetGamepadAxisMovement(int gamepad, int axis)
 bool IsGamepadButtonPressed(int gamepad, int button)
 {
     bool pressed = false;
+    
+    if ((currentGamepadState[button] != previousGamepadState[button]) && (currentGamepadState[button] == 1)) pressed = true;
+    else pressed = false;
 
+    /*
     currentGamepadState[button] = IsGamepadButtonDown(gamepad, button);
 
     if (currentGamepadState[button] != previousGamepadState[button])
@@ -1201,6 +1216,7 @@ bool IsGamepadButtonPressed(int gamepad, int button)
         previousGamepadState[button] = currentGamepadState[button];
     }
     else pressed = false;
+    */
 
     return pressed;
 }
@@ -1222,6 +1238,8 @@ bool IsGamepadButtonDown(int gamepad, int button)
 
     if ((buttons != NULL) && (buttons[button] == GLFW_PRESS)) result = true;
     else result = false;
+
+    //result = currentGamepadState[button];
 #endif
 
     return result;
@@ -1233,14 +1251,19 @@ bool IsGamepadButtonReleased(int gamepad, int button)
     bool released = false;
 
     currentGamepadState[button] = IsGamepadButtonUp(gamepad, button);
+    
+    if ((currentGamepadState[button] != previousGamepadState[button]) && (currentGamepadState[button] == 0)) released = true;
+    else released = false;
 
+    /*
     if (currentGamepadState[button] != previousGamepadState[button])
     {
         if (currentGamepadState[button]) released = true;
         previousGamepadState[button] = currentGamepadState[button];
     }
     else released = false;
-
+    */
+    
     return released;
 }
 
@@ -1984,8 +2007,26 @@ static void PollInputEvents(void)
 
     previousMouseWheelY = currentMouseWheelY;
     currentMouseWheelY = 0;
+    
+    // Register previous gamepad states
+    for (int i = 0; i < 32; i++) previousGamepadState[i] = currentGamepadState[i];
+    
+    // Get current gamepad state (no callback)
+    if (glfwJoystickPresent(GAMEPAD_PLAYER1))
+    {
+        const unsigned char *buttons;
+        int buttonsCount;
+
+        buttons = glfwGetJoystickButtons(GAMEPAD_PLAYER1, &buttonsCount);
+        
+        for (int i = 0; (buttons != NULL) && (buttonsCount < 32) && (i < buttonsCount); i++)
+        {
+            if (buttons[i] == GLFW_PRESS) currentGamepadState[i] = true;
+            else currentGamepadState[i] = false;
+        }
+    }
 
-    glfwPollEvents();       // Register keyboard/mouse events... and window events!
+    glfwPollEvents();       // Register keyboard/mouse events (callbacks)... and window events!
 #endif
 
 #if defined(PLATFORM_ANDROID)
diff --git a/src/raylib.h b/src/raylib.h
index 9bc891309..0d6f4326c 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -657,6 +657,7 @@ RLAPI int GetKeyPressed(void);                                // Get latest key
 RLAPI void SetExitKey(int key);                               // Set a custom key to exit program (default is ESC)
 
 RLAPI bool IsGamepadAvailable(int gamepad);                   // Detect if a gamepad is available
+RLAPI const char *GetGamepadName(int gamepad);                // Return gamepad internal name id
 RLAPI float GetGamepadAxisMovement(int gamepad, int axis);    // Return axis movement value for a gamepad axis
 RLAPI bool IsGamepadButtonPressed(int gamepad, int button);   // Detect if a gamepad button has been pressed once
 RLAPI bool IsGamepadButtonDown(int gamepad, int button);      // Detect if a gamepad button is being pressed