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/** @file common.h
* @brief Common items needed by most other files.
*
* This file contains headers, variables and functions that are needed in
* most other files included in this project.
*/
#ifndef COMMON_H
#define COMMON_H
#include <iostream>
#include <cstdlib>
#include <vector>
#include <math.h>
#include <string>
#include <fstream>
#define GLEW_STATIC
#include <GL/glew.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_opengl.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_mixer.h>
#ifdef __WIN32__
typedef unsigned int uint;
#undef near
#endif
#include <Texture.h>
/**
* This flag lets the compiler know that we want to use shaders.
*/
#define SHADERSs
/**
* This structure contains a set of coordinates for ease of coding.
*/
typedef struct {
float x;
float y;
} vec2;
/**
* This structure contains two sets of coordinates for ray drawing.
*/
typedef struct {
vec2 start;
vec2 end;
} Ray;
typedef struct{
float red;
float green;
float blue;
} Color;
/**
* Define the game's name (displayed in the window title).
*/
#define GAME_NAME "Independent Study v.0.5 alpha - NOW WITH SOUND!"
/**
* The desired width of the game window.
*/
#define SCREEN_WIDTH 1024
/**
* The desired height of the game window.
*/
#define SCREEN_HEIGHT 720
//#define FULLSCREEN
/**
* Define the length of a single HLINE.
* The game has a great amount of elements that need to be drawn or detected, and having each
* of them use specific hard-coded numbers would be painful to debug. As a solution, this
* definition was made. Every item being drawn to the screen and most object detection/physic
* handling is done based off of this number. Increasing it will give the game a zoomed-in
* feel, while decreasing it will do the opposite.
*
*/
#define HLINE 3
/**
* A 'wrapper' for libc's srand(), as we hope to eventually have our own random number
* generator.
*/
#define initRand(s) srand(s)
/**
* A 'wrapper' for libc's rand(), as we hope to eventually have our own random number
* generator.
*/
#define getRand() rand()
/**
* Included in common.h is a prototype for DEBUG_prints, which writes a formatted
* string to the console containing the callee's file and line number. This macro simplifies
* it to a simple printf call.
*
* DEBUG must be defined for this macro to function.
*/
#define DEBUG_printf( message, ...) DEBUG_prints(__FILE__, __LINE__, message, __VA_ARGS__ )
/**
* Defines pi for calculations that need it.
*/
#define PI 3.1415926535
/**
* References the variable in main.cpp, used for smoother drawing.
*/
extern unsigned int deltaTime;
/**
* References the variable in main.cpp, used for drawing with the player.
*/
extern vec2 offset;
/**
* Counts the number of times logic() (see main.cpp) has been called, for animating
* sprites.
*/
extern unsigned int loops;
/**
* Prints a formatted debug message to the console, along with the callee's file and line
* number.
*/
void DEBUG_prints(const char* file, int line, const char *s,...);
/**
* Sets color using glColor3ub(), but handles potential overflow.
*/
void safeSetColor(int r,int g,int b);
/**
* Sets color using glColor4ub(), but handles potential overflow.
*/
void safeSetColorA(int r,int g,int b,int a);
/**
* We've encountered many problems when attempting to create delays for triggering
* the logic function. As a result, we decided on using the timing libraries given
* by <chrono> in the standard C++ library. This function simply returns the amount
* of milliseconds that have passed sine the epoch.
*/
#ifdef __WIN32__
#define millis() SDL_GetTicks()
#else
unsigned int millis(void);
#endif // __WIN32__
#endif // COMMON_H
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