event.c

来自「TETRIS GAME, AUTO-PLAYER AND ARTIFICIAL 」· C语言 代码 · 共 92 行

/************************/
/* Game Project for ACP */
/************************/

/***********************/
/*       TETRIS        */
/*    Thomas Bluteau   */
/***********************/


/*********************************************
  EVENT.C contains functions to perform action
  required by external events. 
*********************************************/


#include "function.h"
#include <SDL\SDL.h>

/**********
Manage the keyboard
**********/
void keyboard_Gest(t_infos *infos, mov_t *mov)
{
	SDL_Event event;
	int Kdown = 0;

	while( SDL_PollEvent(&event)) { 
					switch (event.type)
					{
						case SDL_KEYDOWN:						// When a key is pressed
							if (Kdown)
							{
								switch (event.key.keysym.sym)
								{
									/* The following case change the movement vector*/
									case SDLK_RIGHT:			
										mov->vX = 1;
										break;
									case SDLK_LEFT:
										mov->vX = -1;
										break;
									case SDLK_UP:
										mov->R = 1;
										break;
									case SDLK_DOWN:
										infos->current_speed = 30;
									/* Space key is used to accelrate the fall*/
									case SDLK_SPACE:
										infos->current_speed = 1;
										break;
								}
							}
							else
							{
								Kdown = 1;					
							}
							switch (event.key.keysym.sym)
							{
							case SDLK_ESCAPE:					// Escape to quit
								infos->endGame = 1;
								break;
							}
					
							case SDL_KEYUP:							// When a key is release
							if(Kdown)							// if it was already pressed
							{
								Kdown = 0;
								switch (event.key.keysym.sym)
								{
									/* The following case change the movement vector*/
									case SDLK_RIGHT:			
										mov->vX = 1;
										break;
									case SDLK_LEFT:
										mov->vX = -1;
										break;
									case SDLK_UP:
										mov->R = 1;
										break;
									case SDLK_DOWN:
										infos->current_speed = 30;
									/* Space key is used to accelrate the fall*/
									case SDLK_SPACE:
										infos->current_speed = 1;
										break;
								}
							}
					}
			}
}