/*
* Function: setup()
* Setup the map from the file entered via argv.
*/
void setup(int argc, char *argv[]){
// Chekc weather the user enter the right command
if(argc!=2){
printErrorAndExit(WRONG_USAGE);
}
// Scan in the size of the map
printf("Read file map from: %s\n",argv[1]);
FILE *fin = fopen(argv[1],"r");
if(fin == NULL) printErrorAndExit(FILE_READ_ERROR);
if(fscanf(fin,"%d%d", &M, &N)!=2)
printErrorAndExit(FILE_FORMAT_ERROR);
// Setup Smiley's starting position on the bottom-left
setSmileyPos();
// Setup the map and the wall array
Map = malloc2DArray(M,N);
RWall = malloc2DArray(M-1,N);
CWall = malloc2DArray(M,N-1);
// Scan in the whole map
readMap(fin);
readWalls(fin);
// Print out the map for debugging
printMap();
printWalls();
// Function end here
}
int populateGrid(dungeon_t* dungeonPtr) {
if (malloc2DArray((void ***) &dungeonPtr->grid, sizeof(**dungeonPtr->grid), WIDTH, HEIGHT)) {
return -1;
}
for (int y = 1; y < HEIGHT - 1; y++) {
for (int x = 1; x < WIDTH - 1; x++) {
dungeonPtr->grid[y][x].material = rock;
dungeonPtr->grid[y][x].hardness = (uint8_t)(rand() % (ROCK_HARDNESS_MAX - 1) + 1);
dungeonPtr->grid[y][x].monsterPtr = NULL;
}
}
// Immutable border
for (int y = 0; y < HEIGHT; y++) {
dungeonPtr->grid[y][0].material = rock;
dungeonPtr->grid[y][0].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[y][0].monsterPtr = NULL;
dungeonPtr->grid[y][WIDTH - 1].material = rock;
dungeonPtr->grid[y][WIDTH - 1].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[y][WIDTH - 1].monsterPtr = NULL;
}
for (int x = 0; x < WIDTH; x++) {
dungeonPtr->grid[0][x].material = rock;
dungeonPtr->grid[0][x].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[0][x].monsterPtr = NULL;
dungeonPtr->grid[HEIGHT - 1][x].material = rock;
dungeonPtr->grid[HEIGHT - 1][x].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[HEIGHT - 1][x].monsterPtr = NULL;
}
populateRooms(*dungeonPtr);
return 0;
}
int loadDungeon(dungeon_t* dungeonPtr, char* fileName) {
size_t bytesRead;
char magicBytes[6];
uint32_t version;
uint32_t dataLen;
// malloc2DArray could fail. Should be checked.
malloc2DArray((void ***) &dungeonPtr->grid, sizeof(**dungeonPtr->grid), WIDTH, HEIGHT);
FILE* file = fopen(fileName, "r");
if (file == NULL) {
// error opening file
return -1;
}
// read magic bytes
bytesRead = fread(magicBytes, sizeof(char), 6, file);
if (bytesRead < 6) {
// error reading magic bytes
return -2;
}
if (strncmp("RLG327", magicBytes, 6) != 0) {
// invalid magic bytes
return -3;
}
// read version
bytesRead = fread(&version, sizeof(version), 1, file);
if (bytesRead != 1) {
// Error reading version
return -4;
}
if (version != VERSION) {
// file version is newer than this program's version
return -5;
}
version = be32toh(version);
// read data length
bytesRead = fread(&dataLen, sizeof(dataLen), 1, file);
if (bytesRead != 1) {
// error reading data len
return -6;
}
dataLen = be32toh(dataLen);
if (dataLen < 1482) {
// data is too short for the grid
return -7;
}
// place the solid border
for (int x = 0; x < WIDTH; x++) {
dungeonPtr->grid[0][x].hardness = 255;
dungeonPtr->grid[0][x].material = rock;
dungeonPtr->grid[0][x].monsterPtr = NULL;
dungeonPtr->grid[HEIGHT - 1][x].hardness = 255;
dungeonPtr->grid[HEIGHT - 1][x].material = rock;
dungeonPtr->grid[HEIGHT - 1][x].monsterPtr = NULL;
}
for (int y = 0; y < HEIGHT; y++) {
dungeonPtr->grid[y][0].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[y][0].material = rock;
dungeonPtr->grid[y][0].monsterPtr = NULL;
dungeonPtr->grid[y][WIDTH - 1].hardness = ROCK_HARDNESS_IMMUTABLE;
dungeonPtr->grid[y][WIDTH - 1].material = rock;
dungeonPtr->grid[y][WIDTH - 1].monsterPtr = NULL;
}
// read the hardness grid
for (int y = 0; y < HEIGHT - 2; y++) {
for (int x = 0; x < WIDTH - 2; x++) {
bytesRead = fread(&dungeonPtr->grid[y + 1][x + 1].hardness, sizeof((**dungeonPtr->grid).hardness), 1, file);
if (bytesRead != 1) {
// error reading hardness data
return -8;
}
if (dungeonPtr->grid[y + 1][x + 1].hardness == 0) {
// The cell is a corridor or a room. For now it will be a corridor.
dungeonPtr->grid[y + 1][x + 1].material = corridor;
} else {
dungeonPtr->grid[y + 1][x + 1].material = rock;
}
dungeonPtr->grid[y + 1][x + 1].monsterPtr = NULL;
}
}
dataLen -= (HEIGHT - 2) * (WIDTH - 2) + 14;
if (dataLen % 4 != 0) {
// invalid data length for rooms
return -9;
}
dungeonPtr->roomCount = dataLen / 4;
dungeonPtr->rooms = malloc(sizeof(room_t) * dungeonPtr->roomCount);
for (int r = 0; r < dungeonPtr->roomCount; r++) {
bytesRead = fread(&dungeonPtr->rooms[r], sizeof(room_t), 1, file);
if (bytesRead != 1) {
// failure reading a room
return -10;
}
}
initMonsters(dungeonPtr);
turnInit(dungeonPtr);
return 0;
}