#include "allegropro.h"


//Shortest possible code to start getting some form of keyboard input.

void main()
{
  allegro_pro_init();

  ali_create_driver_autodetect();

  ali_device_t *the_keyboard_device = ali_get_keyboard_device();

  ali_virt_gamepad_t *the_keyboard_pad = ali_get_device_vgp(the_keyboard_device);
  
  //Poll for input.
  while(true)
  {
    ali_update_all_devices_and_controllers();
    
    if(ali_get_vgp_button_data(the_keyboard_pad, ALI_CTRL_KEY_A))
    {
      printf("A\n");
    }

    if(ali_get_vgp_button_data(the_keyboard_pad, ALI_CTRL_KEY_ESC))
      break;
  }

  ali_destroy_driver();

  allegro_pro_exit();
}


//Code for analysing the nature of a game controller.
void main()
{
  allegro_pro_init();
  
  ali_create_driver_autodetect();

  {
    int num_pads = ali_get_num_gamecont_devices();
    for(int loop_ix = 0; loop_ix < num_pads; loop_ix++)
    {
      ali_device_t *curr_pad = ali_get_gamecont_device(curr_pad);

      printf("Current game controller: \"%s\"\n", ali_get_gamecont_display_name(curr_pad));

      if(ali_does_gamecont_need_calibration(curr_pad))
      {
        printf("\tThis controller needs calibration.\n");
      }

      //Now, loop over the controls on the game pad, and describe each control.
      int num_ctrls = ali_get_num_ctrls(curr_pad);
      for(int ctrl_ix = 0; ctrl_ix < num_ctrls; ctrl_ix++)
      {
        ali_ctrl_name_t curr_ctrl = ali_get_dev_ctrl_name(curr_pad, ctrl_ix);

        printf("\t\tControl index #%i is a ");

        ali_dev_ctrl_types_t ctrl_type = ali_get_dev_ctrl_type(curr_ctrl);
        switch(ctrl_type)
        {
        case ALI_BUTTON_CTRL:
          printf("button");
          break;
        case ALI_POINTER_AXIS_CTRL:
          printf("pointer-axis");
          break;
        case ALI_STICK_AXIS_CTRL:
          printf("stick-axis");
          break;
        }

        printf(" kind of control\n");

        printf("\t\t\tIt can be described as follows: \"%s\".\n", ali_get_dev_ctrl_string_desc(curr_pad, curr_ctrl));
      }
    }
  }
}