Life/Life/sim.c

//
//  sim.c
//  Life
//
//  Created by Benoit Sida on 2014-06-13.
//  Copyright (c) 2014 Benoit Sida. All rights reserved.
//

#include <stdio.h>
#include "constante.h"
#include "sim.h"

static void randmap(Cell map[]);
static void drawmap(SDL_Surface *screen, Cell map[]);
static void eventWatch();
static void next(Cell map[]);
static void drawCell(SDL_Surface *screen, SDL_Rect position, Cell Cell);
//static void blitSprite(int orig, SDL_Surface *screen, SDL_Rect position);

void sim(SDL_Window *ecran, SDL_Surface *screen, int cycles)
{
    Cell map[MAXMAP];
    randmap(map);
    int remaining = cycles;
    while (remaining != 0){
        drawmap(screen, map);
        SDL_UpdateWindowSurface(ecran);
        eventWatch(&remaining);
        SDL_Delay(WAIT);
        next(map);
        remaining--;
    }
}

static void randmap(Cell map[])
{
    for (int i = 0 ; i < MAXMAP ; i++)
    {
        map[i].x = i%NB_BLOCS;
        map[i].y = i/NB_BLOCS;
        map[i].type = rand()%2;
        map[i].voisines = 0;
    }
}

static void drawmap(SDL_Surface *screen, Cell map[])
{
    SDL_Rect position;
    SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 255, 255, 255));
    for (int i = 0 ; i < MAXMAP ; i++)
    {
            position.x = map[i].x * TAILLE_BLOC;
            position.y = map[i].y * TAILLE_BLOC;
            drawCell(screen, position, map[i]);
    }
}

static void eventWatch()
{
    SDL_Event event;
    int pause = 0;
    SDL_PollEvent(&event);
    switch(event.type)
    {
        case SDL_QUIT:
            exit(EXIT_SUCCESS);
            break;
        case SDL_KEYDOWN:
            switch(event.key.keysym.sym)
        {
            case SDLK_ESCAPE:
                exit(EXIT_SUCCESS);
                break;
            case SDLK_SPACE:
                pause = 1;
                while (pause) {
                    SDL_WaitEvent(&event);
                    switch(event.type)
                    {
                        case SDL_KEYDOWN:
                            switch(event.key.keysym.sym)
                        {
                                case SDLK_SPACE:
                                    pause = 0;
                                    break;
                        }
                    }
                }
                break;
        }
        break;
    }
}

static void next(Cell map[])
{
    for (int i = 0 ; i < MAXMAP ; i++)
    {
        map[i].voisines = 0;
        map[i].voisines = i%NB_BLOCS == 0 ? map[i].voisines : (map[i-1].type == 1 ? ++map[i].voisines : map[i].voisines);
        map[i].voisines = i%(NB_BLOCS) == 11 ? map[i].voisines : (map[i+1].type == 1 ? ++map[i].voisines : map[i].voisines);
        map[i].voisines = i-NB_BLOCS < 0 ? map[i].voisines : (map[i-NB_BLOCS].type == 1 ? ++map[i].voisines : map[i].voisines);
        map[i].voisines = i+NB_BLOCS > MAXMAP ? map[i].voisines : (map[i+NB_BLOCS].type == 1 ? ++map[i].voisines : map[i].voisines);
    }
    
    for (int i = 0 ; i < MAXMAP ; i++)
    {
        map[i].type = map[i].type == 1 ? (map[i].voisines == 2 || map[i].voisines == 3 ? 1 : 2) : (map[i].voisines == 3 ? 1 : 0);
    }
}

static void drawCell(SDL_Surface *screen, SDL_Rect position, Cell Cell)
{
    SDL_Surface *cell = NULL, *deadcell = NULL, *alivecell = NULL;
    cell = IMG_Load("sprites/cell.png");
    alivecell = IMG_Load("sprites/alivecell.png");
    deadcell = IMG_Load("sprites/deadcell.png");
    
    if (Cell.type == 0)
        SDL_BlitSurface(cell, NULL, screen, &position);
    else if (Cell.type == 2)
        SDL_BlitSurface(deadcell, NULL, screen, &position);
    else {
        SDL_BlitSurface(alivecell, NULL, screen, &position);
    }
}

/*static void blitSprite(int orig, SDL_Surface *screen, SDL_Rect position)
{
    SDL_Surface *cellsheet;
    cellsheet = IMG_Load("sprites/cellsheet.png");
    
    SDL_Rect clip[9];
    clip[0].x = clip[0].y = 0;
    clip[1].x = 34;clip[1].y = 0;
    clip[2].x = 68;clip[2].y = 0;
    clip[3].x = 0;clip[3].y = 34;
    clip[4].x = clip[4].y = 34;
    clip[5].x = 68;clip[5].y = 34;
    clip[6].x = 0;clip[6].y = 68;
    clip[7].x = 34;clip[7].y = 68;
    clip[8].x = clip[8].y = 68;
    for (int i = 0; i > 9; i++)
        clip[i].h = clip[i].w = 34;
    
    SDL_BlitSurface(cellsheet, &clip[orig], screen, &position);
}

static void switchType(Cell map[])
{
}*/