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Convert all regions with one call

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This commit is contained in:
Matthias Schiffer 2015-02-02 02:25:56 +01:00
parent 8db3a5b94f
commit 248b9e319d
1 changed files with 52 additions and 4 deletions
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56
src/MinedMap.cpp
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@ -28,12 +28,19 @@
#include "NBT/ListTag.hpp"
#include <cerrno>
#include <climits>
#include <csetjmp>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <iostream>
#include <regex>
#include <system_error>
#include <sys/types.h>
#include <arpa/inet.h>
#include <dirent.h>
#include <png.h>
@ -88,17 +95,58 @@ static void writePNG(const char *filename, const uint32_t data[DIM][DIM]) {
std::fclose(f);
}
static void doRegion(const std::string &input, const std::string &output) {
std::fprintf(stderr, "Generating %s from %s...\n", output.c_str(), input.c_str());
uint32_t image[DIM][DIM] = {};
World::Region::visitChunks(input.c_str(), [&image] (size_t X, size_t Z, const World::Chunk *chunk) { addChunk(image, X, Z, chunk); });
writePNG(output.c_str(), image);
}
int main(int argc, char *argv[]) {
static const std::regex re("r\\.(-?\\d+)\\.(-?\\d+)\\.mca");
if (argc < 3) {
std::cerr << "Usage: " << argv[0] << " region output" << std::endl;
std::fprintf(stderr, "Usage: %s <data directory> <output directory>\n", argv[0]);
return 1;
}
uint32_t image[DIM][DIM] = {};
std::string inputdir(argv[1]);
inputdir += "/region";
World::Region::visitChunks(argv[1], [&image] (size_t X, size_t Z, const World::Chunk *chunk) { addChunk(image, X, Z, chunk); });
std::string outputdir(argv[2]);
writePNG(argv[2], image);
DIR *dir = opendir(inputdir.c_str());
if (!dir) {
std::fprintf(stderr, "Unable to read input directory: %s\n", std::strerror(errno));
return 1;
}
int minX = INT_MAX, maxX = INT_MIN, minZ = INT_MAX, maxZ = INT_MIN;
struct dirent *entry;
while ((entry = readdir(dir)) != nullptr) {
std::cmatch m;
if (std::regex_match(entry->d_name, m, re)) {
int x = std::atoi(m[1].str().c_str());
if (x < minX)
minX = x;
if (x > maxX)
maxX = x;
int z = std::atoi(m[2].str().c_str());
if (z < minZ)
minZ = z;
if (z > maxZ)
maxZ = z;
std::string name(entry->d_name);
doRegion(inputdir + "/" + name, outputdir + "/" + name.substr(0, name.length()-3) + "png");
}
}
closedir(dir);
return 0;
}