bool mapgen_load_heightmap(const utf8 *path)
{
const char* extension = path_get_extension(path);
uint8 *pixels;
size_t pitch;
uint32 numChannels;
uint32 width, height;
if (strcicmp(extension, ".png") == 0) {
if (!image_io_png_read(&pixels, &width, &height, path)) {
log_warning("Error reading PNG");
window_error_open(STR_HEIGHT_MAP_ERROR, STR_ERROR_READING_PNG);
return false;
}
numChannels = 4;
pitch = width * numChannels;
}
else if (strcicmp(extension, ".bmp") == 0) {
if (!context_read_bmp((void *)&pixels, &width, &height, path)) {
// ReadBMP contains window_error_open calls
return false;
}
numChannels = 4;
pitch = width * numChannels;
}
else
{
openrct2_assert(false, "A file with an invalid file extension was selected.");
return false;
}
if (width != height) {
window_error_open(STR_HEIGHT_MAP_ERROR, STR_ERROR_WIDTH_AND_HEIGHT_DO_NOT_MATCH);
free(pixels);
return false;
}
if (width > MAXIMUM_MAP_SIZE_PRACTICAL) {
window_error_open(STR_HEIGHT_MAP_ERROR, STR_ERROR_HEIHGT_MAP_TOO_BIG);
width = height = min(height, MAXIMUM_MAP_SIZE_PRACTICAL);
}
// Allocate memory for the height map values, one byte pixel
free(_heightMapData.mono_bitmap);
_heightMapData.mono_bitmap = (uint8*)malloc(width * height);
_heightMapData.width = width;
_heightMapData.height = height;
// Copy average RGB value to mono bitmap
for (uint32 x = 0; x < _heightMapData.width; x++)
{
for (uint32 y = 0; y < _heightMapData.height; y++)
{
const uint8 red = pixels[x * numChannels + y * pitch];
const uint8 green = pixels[x * numChannels + y * pitch + 1];
const uint8 blue = pixels[x * numChannels + y * pitch + 2];
_heightMapData.mono_bitmap[x + y * _heightMapData.width] = (red + green + blue) / 3;
}
}
free(pixels);
return true;
}
// Call For Socket Client
int socket_client(char *ip, int port)
{
int sockfd = 0;
char buffer[1024];
struct sockaddr_in serv_addr;
//memset(buffer, '\0',sizeof(buffer)); // memset() use to set all the specific space to a specific char
if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { // Check is connected or not
printf("\n Error : Could not create socket\n");
return 1;
}
memset(&serv_addr, '0', sizeof(serv_addr)); // Same , initialize the buffer
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(port); // htons : 通常用於deal with "little-Endian" or "Big-Endian"
if(inet_pton(AF_INET, ip, &serv_addr.sin_addr)<=0) { // inet_pton convert IPv4 and IPv6 addresses from text to binary form
printf("\n inet_pton error occured\n");
return 1;
}
if(connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
printf("\n Error : Connect Failed \n");
return 1;
}
//========================connection complete=====================================//
char msg[1024];
while(1) {
memset(buffer, '\0',sizeof(buffer));
if (read(sockfd, buffer, sizeof(buffer)) < 0) {
printf("\n Error : Read Failed \n");
return 1;
}
if(!strcicmp(buffer,"End")) {
exit(1);
} else if(!strcicmp(buffer,"Please input the content you want to edit in this file")) {
printf("From Server say :\n%s\n", buffer);
//sleep(1);
//read(sockfd, msg, sizeof(msg));
while(strcicmp(msg,"OK!Stop~")) { // while not send the specify word
printf("Get Input ( \"StopIn\" to Stop input)\n");
memset(msg, '\0', sizeof(msg));
scanf("%s",msg);
printf("Input The \"StopIn\" to Stop input\n");
if (write(sockfd, msg, sizeof(msg)) < 0) { //準備寫回server端
printf("\n Error : Write Failed \n");
return 1;
}
memset(msg, '\0', sizeof(msg));
read(sockfd,msg, sizeof(msg));
}
memset(buffer, '\0', sizeof(buffer));
} else if(!strcicmp(buffer,"Show")) { // Do the "ls" instruction
printf("The File List:\n");
while(1) {
char bk[128];
read(sockfd, bk, sizeof(bk));
if(!strcicmp(bk,"OK!STOPLS")) {
break;
}
printf("%s\n",bk);
write(sockfd,"Y",1);
}
printf("========End of List========\n\n");
} else if(!strcicmp(buffer,"DownLoad")) { // Do the DownLoad Instruction
char dFile[1024];
memset(dFile,'\0',sizeof(dFile));
printf("Which file in \"Server端\" you want to download?\n");
scanf("%s",dFile);
write(sockfd,dFile,sizeof(dFile));
memset(dFile,'\0',sizeof(dFile));
read(sockfd,dFile,sizeof(dFile));
printf("%s\n",dFile);
memset(dFile,'\0',sizeof(dFile));
char cwd[1024];
if (getcwd(cwd, sizeof(cwd)) != NULL) // Get Currently File Path
strcpy(dFile,cwd);
write(sockfd,dFile,sizeof(dFile));
printf("End of DownLoad Input\n\n");
} else {
printf("========================================\n");
printf("From Server port's message :\n%s\n", buffer);
sleep(1);
//====================Data ready to deliver======================//
//strcpy(buffer, "I get client message!")
memset(buffer, '\0', sizeof(buffer));
scanf("%s",buffer);
if(!strcicmp(buffer,"End")) {
exit(1);
}
if (write(sockfd, buffer, sizeof(buffer)) < 0) { //準備寫回server端
printf("\n Error : Write Failed \n");
return 1;
}
}
}
//===========================End socket===========================================//
close(sockfd);
return 0;
}
