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#include "create_supernova.h"
#include "gametext.h"
#include "file.h"
#include "po_parser.h"
// HACK to allow building with the SDL backend on MinGW
// see bug #1800764 "TOOLS: MinGW tools building broken"
#ifdef main
#undef main
#endif // main
// List of languages to look for. To add new languages you only need to change the array below
// and add the supporting files:
// - 640x480 bitmap picture for the newpaper named 'img1-##.pbm' and 'img2-##.pbm'
// in pbm binary format (you can use gimp to generate those)
// - strings in a po file named 'strings-##.po' that uses CP850 encoding
const char *lang[] = {
"en",
NULL
};
void writeImage(File& outputFile, const char *name, const char* language) {
File imgFile;
char fileName[16];
sprintf(fileName, "%s-%s.pbm", name, language);
if (!imgFile.open(fileName, kFileReadMode)) {
printf("Cannot find image '%s' for language '%s'. This image will be skipped.\n", name, language);
return;
}
char str[256];
// Read header (and check we have a binary PBM file)
imgFile.readString(str, 256);
if (strcmp(str, "P4") != 0) {
imgFile.close();
printf("File '%s' doesn't seem to be a binary pbm file! This image will be skipped.\n", fileName);
return;
}
// Skip comments and then read and check size
do {
imgFile.readString(str, 256);
} while (str[0] == '#');
int w = 0, h = 0;
if (sscanf(str, "%d %d", &w, &h) != 2 || w != 640 || h != 480) {
imgFile.close();
printf("Binary pbm file '%s' doesn't have the expected size (expected: 640x480, read: %dx%d). This image will be skipped.\n", fileName, w, h);
return;
}
// Write block header in output file (4 bytes).
// We convert the image name to upper case.
for (int i = 0 ; i < 4 ; ++i) {
if (name[i] >= 97 && name[i] <= 122)
outputFile.writeByte(name[i] - 32);
else
outputFile.writeByte(name[i]);
}
// And write the language code on 4 bytes as well (padded with 0 if needed).
int languageLength = strlen(language);
for (int i = 0 ; i < 4 ; ++i) {
if (i < languageLength)
outputFile.writeByte(language[i]);
else
outputFile.writeByte(0);
}
// Write block size (640*480 / 8)
outputFile.writeLong(38400);
// Write all the bytes. We should have 38400 bytes (640 * 480 / 8)
// However we need to invert the bits has the engine expects 1 for the background and 0 for the text (black)
// but pbm uses 0 for white and 1 for black.
for (int i = 0 ; i < 38400 ; ++i) {
byte b = imgFile.readByte();
outputFile.writeByte(~b);
}
imgFile.close();
}
void writeGermanStrings(File& outputFile) {
// Write header and language
outputFile.write("TEXT", 4);
outputFile.write("de\0\0", 4);
// Reserve the size for the block size, but we will write it at the end once we know what it is.
uint32 blockSizePos = outputFile.pos();
uint32 blockSize = 0;
outputFile.writeLong(blockSize);
// Write all the strings
const char **s = &gameText[0];
while (*s) {
outputFile.writeString(*s);
blockSize += strlen(*s) + 1;
++s;
}
// Now write the block size and then go back to the end of the file.
outputFile.seek(blockSizePos, SEEK_SET);
outputFile.writeLong(blockSize);
outputFile.seek(0, SEEK_END);
}
void writeStrings(File& outputFile, const char* language) {
char fileName[16];
sprintf(fileName, "strings-%s.po", language);
PoMessageList* poList = parsePoFile(fileName);
if (!poList) {
printf("Cannot find strings file for language '%s'.\n", language);
return;
}
// Write block header
outputFile.write("TEXT", 4);
// And write the language code on 4 bytes as well (padded with 0 if needed).
int languageLength = strlen(language);
for (int i = 0 ; i < 4 ; ++i) {
if (i < languageLength)
outputFile.writeByte(language[i]);
else
outputFile.writeByte(0);
}
// Reserve the size for the block size, but we will write it at the end once we know what it is.
uint32 blockSizePos = outputFile.pos();
uint32 blockSize = 0;
outputFile.writeLong(blockSize);
// Write all the strings.
// If a string is not translated we use the German one.
const char **s = &gameText[0];
while (*s) {
const char* translation = poList->findTranslation(*s);
if (translation) {
outputFile.writeString(translation);
blockSize += strlen(translation) + 1;
} else {
outputFile.writeString(*s);
blockSize += strlen(*s) + 1;
}
++s;
}
delete poList;
// Now write the block size and then go back to the end of the file.
outputFile.seek(blockSizePos, SEEK_SET);
outputFile.writeLong(blockSize);
outputFile.seek(0, SEEK_END);
}
/**
* Main method
*/
int main(int argc, char *argv[]) {
File outputFile;
if (!outputFile.open("supernova.dat", kFileWriteMode)) {
printf("Cannot create file 'supernova.dat' in current directory.\n");
exit(0);
}
// The generated file is of the form:
// 3 bytes: 'MSN'
// 1 byte: version
// -- data blocks
// 4 bytes: header 'IMG1' and 'IMG2' for newspaper images (for file 1 and file 2 respectively),
// 'TEXT' for strings
// 4 bytes: language code ('en\0', 'de\0'- see common/language.cpp)
// 4 bytes: block size n (uint32)
// n bytes: data
// ---
// Header
outputFile.write("MSN", 3);
outputFile.writeByte(VERSION);
// German strings
writeGermanStrings(outputFile);
// Other languages
const char **l = &lang[0];
while(*l) {
writeImage(outputFile, "img1", *l);
writeImage(outputFile, "img2", *l);
writeStrings(outputFile, *l);
++l;
}
outputFile.close();
return 0;
}
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