controller and mouse support

include/input.h

@@ -2,6 +2,27 @@
 #include <map>
 #include <string>
 
+struct Controller
+{
+    SDL_GameController* controller;
+    std::string name;
+    std::map<Uint8, bool> buttons;
+    Sint16 leftStickX = 0;
+    Sint16 leftStickY = 0;
+    Sint16 rightStickX = 0;
+    Sint16 rightStickY = 0;
+    Sint16 leftTrigger = 0;
+    Sint16 rightTrigger = 0;
+};
+
+struct Mouse
+{
+    int x;
+    int y;
+    int wheel;
+    std::map<int, bool> buttons;
+};
+
 class Input
 {
     private:
@@ -9,6 +30,10 @@ class Input
 
     public:
     bool exit;
+    std::map<int, Controller> controllers;
     std::map<SDL_Keycode, bool> activeKeys;
+    Mouse mouse;
+    
+    Input();
     void update();
 };

include/vector.h

@@ -1,9 +1,14 @@
+// prevent multiple inclusion
 #pragma once  
 
+// class for 2D float vector
 class float_vec2
 {
+    // public members
     public:
+    // x and y coordinates
     float x, y;
+    // operator functions
     float_vec2 operator+(float_vec2 vec)
     {
         return { x + vec.x, y + vec.y };
@@ -26,10 +31,14 @@ class float_vec2
     }
 };
 
+// class for 2D integer vector
 class int_vec2
 {
+    // public members
     public:
+    // x and y coordinates
     int x, y;
+    // operator functions
     int_vec2 operator+(int_vec2 vec)
     {
         return { x + vec.x, y + vec.y };