shrooms-vb-native/main.c

86 lines
1.7 KiB
C

#include <cli.h>
#include <game.h>
#include <graphics.h>
#include <SDL2/SDL.h>
#include "shrooms-vb-core/core/vb.h"
#include <stdio.h>
uint8_t *readROM(char *filename, uint32_t *size) {
FILE *file = fopen(filename, "rb");
uint8_t *rom;
long filesize;
if (!file) {
perror("could not open file");
return NULL;
}
if (fseek(file, 0, SEEK_END)) {
perror("could not seek file end");
return NULL;
}
filesize = ftell(file);
if (filesize == -1) {
perror("could not read file size");
return NULL;
}
if (fseek(file, 0, SEEK_SET)) {
perror("could not seek file start");
return NULL;
}
*size = (uint32_t) filesize;
rom = malloc(*size);
if (!rom) {
perror("could not allocate ROM");
return NULL;
}
fread(rom, 1, *size, file);
if (ferror(file)) {
perror("could not read file");
return NULL;
}
if (fclose(file)) {
perror("could not close file");
return NULL;
}
return rom;
}
int main(int argc, char **argv) {
VB *sim;
uint8_t *rom;
uint32_t romSize;
GraphicsContext gfx;
CLIArgs args;
int status;
if (parseCLIArgs(argc, argv, &args)) {
return 1;
}
rom = readROM(args.filename, &romSize);
if (!rom) {
return 1;
}
sim = malloc(vbSizeOf());
vbInit(sim);
vbSetCartROM(sim, rom, romSize);
if (SDL_Init(SDL_INIT_EVERYTHING)) {
fprintf(stderr, "Error initializing SDL: %s\n", SDL_GetError());
return 1;
}
if (gfxInit(&gfx)) {
SDL_Quit();
return 1;
}
status = runGame(sim, &gfx);
SDL_Quit();
return status;
}