pvjc24/cv9/snake/world.h

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2024-04-11 11:56:32 +00:00
#ifndef _WORLD_H_
#define _WORLD_H_
#include <curses.h>
/**
* World represented as a rectangular matrix of colorful characters.
*
* Point [0,0] is displayed the upper left corner of the screen.
*
*/
enum event_type {
EVENT_START,
EVENT_TIMEOUT,
EVENT_KEY,
EVENT_MOUSE,
EVENT_RESIZE,
EVENT_ESC,
EVENT_END,
};
struct event {
/**
* Last width of the screen.
*/
int width;
/**
* Last height of the screen.
*/
int height;
/**
* Last pressed key or Curses event.
*
* Special event values:
* ERR if timeout,
* KEY_RESIZE if screen resize
* KEY_EVENT, other event,
* KEY_MOUSE, mouse clicked
*
* Key values:
*
* ' ' Space
* KEY_DOWN Arrow down
* KEY_UP Arrow up
* KEY_LEFT Arrow left
* KEY_RIGHT Arrow right
* KEY_A1 Upper left of keypad
* KEY_A3 Upper right of keypad
* KEY_B2 Center of keypad
* KEY_C1 Lower left of keypad
* KEY_C3 Lower right of keypad
*
* KEY_ENTER
* KEY_BACKSPACE
*/
int key;
int alt_key;
enum event_type type;
int mouse_x;
int mouse_y;
int mouse_left;
int mouse_right;
int mouse_middle;
long int time_ms;
};
/**
* Sets cell to a state.
* @param event
* @param x coordinate of cell
* @param y coordinate of cell
* @param new state of the cell
*/
void set_cell(int character,int x,int y);
/**
* COLOR_BLACK 0
* COLOR_RED 1
* COLOR_GREEN 2
* COLOR_YELLOW 3
* COLOR_BLUE 4
* COLOR_MAGENTA 5
* COLOR_CYAN 6
* COLOR_WHITE 7
*/
#define COLOR_COUNT 8
void set_color_cell(int character,int x,int y,short front_color,short back_color);
/**
*
* @param event
* @param number of commandline arguments
* @param init_world
* @param destroy_world
*
* void init_world(struct event* w);
* Initializes user state.
* Free user state.
* @param event
*/
int start_world(void* (*init_game)(),int (*world_event)(struct event* event,void* game),void (*destroy_game)(void* game));
/**
* Set timeout interval in miliseconds
*/
void game_speed(int value);
/*
* Prints a message in screen on a position x,y
*/
void set_message(const char* message,int x,int y);
/*
* Clears screen
*/
void clear_screen();
#endif