minetestmapper/mapper.cpp

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#include <cstdlib>
#include <cstring>
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#include <getopt.h>
#include <fstream>
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#include <iostream>
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#include <map>
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#include <string>
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#include <sstream>
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#include <stdexcept>
#include "cmake_config.h"
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#include "TileGenerator.h"
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void usage()
{
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const char *usage_text = "minetestmapper [options]\n"
" -i/--input <world_path>\n"
" -o/--output <output_image.png>\n"
" --bgcolor <color>\n"
" --scalecolor <color>\n"
" --playercolor <color>\n"
" --origincolor <color>\n"
" --drawscale\n"
" --drawplayers\n"
" --draworigin\n"
" --drawalpha\n"
" --noshading\n"
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" --min-y <y>\n"
" --max-y <y>\n"
" --backend <backend>\n"
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" --geometry x:y+w+h\n"
" --extent\n"
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" --zoom <zoomlevel>\n"
" --colors <colors.txt>\n"
" --scales [t][b][l][r]\n"
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"Color format: '#000000'\n";
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std::cout << usage_text;
}
bool file_exists(const std::string &path)
{
std::ifstream ifs(path.c_str());
return ifs.is_open();
}
std::string search_colors(const std::string &worldpath)
{
if(file_exists(worldpath + "/colors.txt"))
return worldpath + "/colors.txt";
#ifndef _WIN32
char *home = std::getenv("HOME");
if(home) {
std::string check = ((std::string) home) + "/.minetest/colors.txt";
if(file_exists(check))
return check;
}
#endif
if(!(SHAREDIR[0] == '.' || SHAREDIR[0] == '\0') && file_exists(SHAREDIR "/colors.txt"))
return SHAREDIR "/colors.txt";
std::cerr << "Warning: Falling back to using colors.txt from current directory." << std::endl;
return "colors.txt";
}
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int main(int argc, char *argv[])
{
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static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"input", required_argument, 0, 'i'},
{"output", required_argument, 0, 'o'},
{"bgcolor", required_argument, 0, 'b'},
{"scalecolor", required_argument, 0, 's'},
{"origincolor", required_argument, 0, 'r'},
{"playercolor", required_argument, 0, 'p'},
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{"draworigin", no_argument, 0, 'R'},
{"drawplayers", no_argument, 0, 'P'},
{"drawscale", no_argument, 0, 'S'},
{"drawalpha", no_argument, 0, 'e'},
{"noshading", no_argument, 0, 'H'},
{"backend", required_argument, 0, 'd'},
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{"geometry", required_argument, 0, 'g'},
{"extent", no_argument, 0, 'E'},
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{"min-y", required_argument, 0, 'a'},
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{"max-y", required_argument, 0, 'c'},
{"zoom", required_argument, 0, 'z'},
{"colors", required_argument, 0, 'C'},
{"scales", required_argument, 0, 'f'},
{0, 0, 0, 0}
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};
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std::string input;
std::string output;
std::string colors = "";
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TileGenerator generator;
bool onlyPrintExtent = false;
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while (1) {
int option_index;
int c = getopt_long(argc, argv, "hi:o:", long_options, &option_index);
if (c == -1)
break; // done
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switch (c) {
case 'h':
usage();
return 0;
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break;
case 'i':
input = optarg;
break;
case 'o':
output = optarg;
break;
case 'b':
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generator.setBgColor(optarg);
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break;
case 's':
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generator.setScaleColor(optarg);
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break;
case 'r':
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generator.setOriginColor(optarg);
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break;
case 'p':
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generator.setPlayerColor(optarg);
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break;
case 'R':
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generator.setDrawOrigin(true);
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break;
case 'P':
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generator.setDrawPlayers(true);
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break;
case 'S':
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generator.setDrawScale(true);
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break;
case 'e':
generator.setDrawAlpha(true);
break;
case 'E':
onlyPrintExtent = true;
break;
case 'H':
generator.setShading(false);
break;
case 'd':
generator.setBackend(optarg);
break;
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case 'a': {
std::istringstream iss;
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iss.str(optarg);
int miny;
iss >> miny;
generator.setMinY(miny);
}
break;
case 'c': {
std::istringstream iss;
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iss.str(optarg);
int maxy;
iss >> maxy;
generator.setMaxY(maxy);
}
break;
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case 'g': {
std::istringstream geometry;
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geometry.str(optarg);
int x, y, w, h;
char c;
geometry >> x >> c >> y >> w >> h;
if (geometry.fail() || c != ':' || w < 1 || h < 1) {
usage();
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exit(1);
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}
generator.setGeometry(x, y, w, h);
}
break;
case 'f': {
uint flags = 0;
if(strchr(optarg, 't') != NULL)
flags |= SCALE_TOP;
if(strchr(optarg, 'b') != NULL)
flags |= SCALE_BOTTOM;
if(strchr(optarg, 'l') != NULL)
flags |= SCALE_LEFT;
if(strchr(optarg, 'r') != NULL)
flags |= SCALE_RIGHT;
generator.setScales(flags);
}
break;
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case 'z': {
std::istringstream iss;
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iss.str(optarg);
int zoom;
iss >> zoom;
generator.setZoom(zoom);
}
break;
case 'C':
colors = optarg;
break;
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default:
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exit(1);
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}
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}
if (input.empty() || (!onlyPrintExtent && output.empty())) {
usage();
return 0;
}
try {
if (onlyPrintExtent) {
generator.printGeometry(input);
return 0;
}
if(colors == "")
colors = search_colors(input);
generator.parseColorsFile(colors);
generator.generate(input, output);
} catch(std::runtime_error e) {
std::cerr << "Exception: " << e.what() << std::endl;
return 1;
}
return 0;
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}