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#include "dungeonmap.h"
#include "util.h"
#include <fmt/format.h>
#include <fstream>
#include <nlohmann/json.hpp>
#include <util/file.h>
std::filesystem::path DungeonMapAsset::generateAssetPath() {
std::filesystem::path txtPath = path;
txtPath.replace_extension(".txt");
return txtPath;
}
void DungeonMapAsset::convertToHumanReadable(const std::vector<char>& baserom) {
(void)baserom;
const char characters[] = {' ', '#', '.', '-'};
std::ifstream file(path.string(), std::ios::binary | std::ios::ate);
auto fileSize = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<char> data(static_cast<size_t>(fileSize));
if (!file.read(data.data(), fileSize)) {
fmt::print(stderr, "Can not read dungeon map {}\n", path.string());
std::exit(1);
}
file.close();
auto output_file = util::open_file(assetPath, "w");
size_t width = asset["options"]["width"];
width *= 4;
size_t height = asset["options"]["height"];
size_t bytesPerRow = (width + 3) / 4;
for (size_t y = 0; y < height; y++) {
for (size_t x = 0; x < width; x +=4) {
size_t offset = y * bytesPerRow + x / 4;
char byte = data[offset];
for (size_t i = 0; i < 4; i++) {
int color = (byte >> (6 - i*2)) & 3;
std::fputc(characters[color], output_file.get());
}
}
std::fputc('\n', output_file.get());
}
}
void DungeonMapAsset::buildToBinary() {
std::ifstream file(assetPath.string(), std::ios::binary | std::ios::ate);
auto fileSize = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<char> data(static_cast<size_t>(fileSize));
if (!file.read(data.data(), fileSize)) {
fmt::print(stderr, "Can not read dungeon map {}\n", assetPath.string());
std::exit(1);
}
file.close();
auto output_file = util::open_file(buildPath, "w");
int byte = 0;
size_t pixels = 0;
for (size_t i = 0; i < static_cast<size_t>(fileSize); i++) {
switch (data[i]) {
case '\n':
continue;
case ' ':
byte <<= 2;
pixels++;
break;
case '#':
byte <<= 2;
byte |= 1;
pixels++;
break;
case '.':
byte <<= 2;
byte |= 2;
pixels++;
break;
case '-':
byte <<= 2;
byte |= 3;
pixels++;
break;
default:
fmt::print(stderr, "Unexpected character {}\n", data[i]);
std::exit(1);
break;
}
if (pixels % 4 == 0) {
std::fputc(byte, output_file.get());
byte = 0;
}
}
// Pad to two bytes.
while ((pixels / 4) % 4 != 0) {
std::fputc(0, output_file.get());
pixels += 4;
}
}
std::string DungeonMapAsset::getSymbol() const {
return asset["name"];
}
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