minetest-mapper-cpp/TileGenerator.cpp

1460 lines
41 KiB
C++

/*
* =====================================================================
* Version: 1.0
* Created: 23.08.2012 12:35:53
* Author: Miroslav Bendík
* Company: LinuxOS.sk
* =====================================================================
*/
#include <cstdio>
#include <cstdlib>
#include <climits>
#include <fstream>
#include <gdfontmb.h>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#include <cerrno>
#include <cstring>
#include "config.h"
#include "PlayerAttributes.h"
#include "TileGenerator.h"
#include "ZlibDecompressor.h"
#if USE_SQLITE3
#include "db-sqlite3.h"
#endif
#if USE_LEVELDB
#include "db-leveldb.h"
#endif
#if USE_REDIS
#include "db-redis.h"
#endif
using namespace std;
static inline int64_t pythonmodulo(int64_t i, int64_t mod)
{
if (i >= 0) {
return i % mod;
}
else {
return mod - ((-i) % mod);
}
}
static inline int unsignedToSigned(long i, long max_positive)
{
if (i < max_positive) {
return i;
}
else {
return i - 2l * max_positive;
}
}
static inline void checkDataLimit(const char *type, size_t offset, size_t length, size_t dataLength)
{
if (offset + length > dataLength)
throw TileGenerator::UnpackError(type, offset, length, dataLength);
}
static inline uint8_t readU8(const unsigned char *data, size_t offset, size_t dataLength)
{
checkDataLimit("uint8", offset, 1, dataLength);
return data[offset];
}
static inline uint16_t readU16(const unsigned char *data, size_t offset, size_t dataLength)
{
checkDataLimit("uint16", offset, 2, dataLength);
return data[offset] << 8 | data[offset + 1];
}
static inline void readString(string &str, const unsigned char *data, size_t offset, size_t length, size_t dataLength)
{
checkDataLimit("string", offset, length, dataLength);
str = string(reinterpret_cast<const char *>(data) + offset, length);
}
static inline void checkBlockNodeDataLimit(int version, size_t dataLength)
{
int datapos = 16 * 16 * 16;
if (version >= 24) {
size_t index = datapos << 1;
checkDataLimit("node:24", index, 2, dataLength);
}
else if (version >= 20) {
checkDataLimit("node:20", datapos + 0x2000, 1, dataLength);
}
else {
std::ostringstream oss;
oss << "Unsupported map version " << version;
throw std::runtime_error(oss.str());
}
}
static inline int readBlockContent(const unsigned char *mapData, int version, int datapos)
{
if (version >= 24) {
size_t index = datapos << 1;
return (mapData[index] << 8) | mapData[index + 1];
}
else if (version >= 20) {
if (mapData[datapos] <= 0x80) {
return mapData[datapos];
}
else {
return (int(mapData[datapos]) << 4) | (int(mapData[datapos + 0x2000]) >> 4);
}
}
else {
std::ostringstream oss;
oss << "Unsupported map version " << version;
throw std::runtime_error(oss.str());
}
}
TileGenerator::TileGenerator():
verboseCoordinates(0),
verboseStatistics(false),
progressIndicator(false),
m_bgColor(255, 255, 255),
m_scaleColor(0, 0, 0),
m_originColor(255, 0, 0),
m_playerColor(255, 0, 0),
m_tileBorderColor(0, 0, 0),
m_drawOrigin(false),
m_drawPlayers(false),
m_drawScale(false),
m_drawAlpha(false),
m_shading(true),
m_border(0),
m_backend(DEFAULT_BACKEND),
m_shrinkGeometry(true),
m_blockGeometry(false),
m_sqliteCacheWorldRow(false),
m_image(0),
m_xMin(INT_MAX/16-1),
m_xMax(INT_MIN/16+1),
m_zMin(INT_MAX/16-1),
m_zMax(INT_MIN/16+1),
m_yMin(INT_MAX/16-1),
m_yMax(INT_MIN/16+1),
m_reqXMin(MAPBLOCK_MIN),
m_reqXMax(MAPBLOCK_MAX),
m_reqYMin(MAPBLOCK_MIN),
m_reqYMax(MAPBLOCK_MAX),
m_reqZMin(MAPBLOCK_MIN),
m_reqZMax(MAPBLOCK_MAX),
m_reqYMinNode(0),
m_reqYMaxNode(15),
m_mapXStartNodeOffset(0),
m_mapYStartNodeOffset(0),
m_mapXEndNodeOffset(0),
m_mapYEndNodeOffset(0),
m_nextStoredYCoord(0),
m_tileXOrigin(TILE_WORLDCENTERED),
m_tileZOrigin(TILE_WORLDCENTERED),
m_tileWidth(0),
m_tileHeight(0),
m_tileBorderSize(1),
m_tileMapXOffset(0),
m_tileMapYOffset(0)
{
}
TileGenerator::~TileGenerator()
{
}
void TileGenerator::setBgColor(const Color &bgColor)
{
m_bgColor = bgColor;
}
void TileGenerator::setShrinkGeometry(bool shrink)
{
m_shrinkGeometry = shrink;
}
void TileGenerator::setBlockGeometry(bool block)
{
m_blockGeometry = block;
}
void TileGenerator::setSqliteCacheWorldRow(bool cacheWorldRow)
{
m_sqliteCacheWorldRow = cacheWorldRow;
}
void TileGenerator::setScaleColor(const Color &scaleColor)
{
m_scaleColor = scaleColor;
}
void TileGenerator::setOriginColor(const Color &originColor)
{
m_originColor = originColor;
}
void TileGenerator::setPlayerColor(const Color &playerColor)
{
m_playerColor = playerColor;
}
void TileGenerator::setTileBorderColor(const Color &tileBorderColor)
{
m_tileBorderColor = tileBorderColor;
}
void TileGenerator::setTileBorderSize(int size)
{
m_tileBorderSize = size;
}
void TileGenerator::setTileSize(int width, int heigth)
{
m_tileWidth = width;
m_tileHeight = heigth;
}
void TileGenerator::setTileOrigin(int x, int y)
{
m_tileXOrigin = x;
m_tileZOrigin = y;
m_tileXCentered = false;
m_tileYCentered = false;
}
void TileGenerator::setTileCenter(int x, int y)
{
m_tileXOrigin = x;
m_tileZOrigin = y;
m_tileXCentered = true;
m_tileYCentered = true;
}
void TileGenerator::setDrawOrigin(bool drawOrigin)
{
m_drawOrigin = drawOrigin;
}
void TileGenerator::setDrawPlayers(bool drawPlayers)
{
m_drawPlayers = drawPlayers;
}
void TileGenerator::setDrawScale(bool drawScale)
{
m_drawScale = drawScale;
if (m_drawScale) {
m_border = 40;
}
}
void TileGenerator::setDrawAlpha(bool drawAlpha)
{
m_drawAlpha = drawAlpha;
}
void TileGenerator::setShading(bool shading)
{
m_shading = shading;
}
void TileGenerator::enableProgressIndicator(void)
{
progressIndicator = true;
}
void TileGenerator::setGeometry(const NodeCoord &corner1, const NodeCoord &corner2)
{
if (corner1.x > 0) {
m_reqXMin = corner1.x / 16;
}
else {
m_reqXMin = (corner1.x - 15) / 16;
}
if (corner1.y > 0) {
m_reqZMin = corner1.y / 16;
}
else {
m_reqZMin = (corner1.y - 15) / 16;
}
m_mapXStartNodeOffset = corner1.x - m_reqXMin * 16;
m_mapYEndNodeOffset = m_reqZMin * 16 - corner1.y;
if (corner2.x > 0) {
m_reqXMax = corner2.x / 16;
}
else {
m_reqXMax = (corner2.x - 15) / 16;
}
if (corner2.y > 0) {
m_reqZMax = corner2.y / 16;
}
else {
m_reqZMax = (corner2.y - 15) / 16;
}
m_mapXEndNodeOffset = corner2.x - (m_reqXMax * 16 + 15);
m_mapYStartNodeOffset = (m_reqZMax * 16 + 15) - corner2.y;
}
void TileGenerator::setMinY(int y)
{
if (y > 0) {
m_reqYMin = y / 16;
}
else {
m_reqYMin = (y - 15) / 16;
}
m_reqYMinNode = y - 16 * m_reqYMin;
}
void TileGenerator::setMaxY(int y)
{
if (y > 0) {
m_reqYMax = y / 16;
}
else {
m_reqYMax = (y - 15) / 16;
}
m_reqYMaxNode = y - 16 * m_reqYMax;
}
void TileGenerator::parseColorsFile(const std::string &fileName)
{
ifstream in;
in.open(fileName.c_str(), ifstream::in);
if (!in.is_open()) {
throw std::runtime_error(std::string("Failed to open colors file '") + fileName + "'");
return;
}
parseColorsStream(in, fileName.c_str());
in.close();
}
void TileGenerator::setBackend(std::string backend)
{
m_backend = backend;
}
void TileGenerator::generate(const std::string &input, const std::string &output)
{
string input_path = input;
if (input_path[input.length() - 1] != PATH_SEPARATOR) {
input_path += PATH_SEPARATOR;
}
openDb(input_path);
loadBlocks();
computeMapParameters();
createImage();
renderMap();
if (m_drawScale) {
renderScale();
}
if (m_drawOrigin) {
renderOrigin();
}
if (m_drawPlayers) {
renderPlayers(input_path);
}
if (!m_drawObjects.empty()) {
renderDrawObjects();
}
writeImage(output);
printUnknown();
}
void TileGenerator::parseColorsStream(std::istream &in, const std::string &filename)
{
string line;
int linenr = 0;
for (std::getline(in,line); in.good(); std::getline(in,line)) {
linenr++;
istringstream iline;
iline.str(line);
iline >> std::skipws;
string name;
ColorEntry color;
iline >> name;
if (name.length() == 0 || name[0] == '#')
continue;
int r, g, b, a, t;
iline >> r;
iline >> g;
iline >> b;
if (!iline.good() && !iline.eof()) {
std::cerr << filename << ":" << linenr << ": bad line in colors file (" << line << ")" << std::endl;
continue;
}
a = 0xff;
iline >> a;
t = 0;
iline >> t;
color = ColorEntry(r,g,b,a,t);
if ((m_drawAlpha && a == 0xff) || (!m_drawAlpha && a != 0xff)) {
// If drawing alpha, and the colors file contains both
// an opaque entry and a non-opaque entry for a name, prefer
// the non-opaque entry
// If not drawing alpha, and the colors file contains both
// an opaque entry and a non-opaque entry for a name, prefer
// the opaque entry
// Otherwise, any later entry overrides any previous entry
ColorMap::iterator it = m_colors.find(name);
if (it != m_colors.end()) {
if (m_drawAlpha && (a == 0xff && it->second.a != 0xff)) {
// drawing alpha: don't use opaque color to override
// non-opaque color
continue;
}
if (!m_drawAlpha && (a != 0xff && it->second.a == 0xff)) {
// not drawing alpha: don't use non-opaque color to
// override opaque color
continue;
}
}
}
m_colors[name] = color;
}
if (!in.eof()) {
std::cerr << filename << ": error reading colors file after line " << linenr << std::endl;
}
}
std::string TileGenerator::getWorldDatabaseBackend(const std::string &input)
{
string backend;
std::string worldFile = input + PATH_SEPARATOR + "world.mt";
ifstream in;
in.open(worldFile.c_str(), ifstream::in);
if (!in.is_open())
throw std::runtime_error(std::string("Failed to open world.mt file '") + worldFile + "'");
std::string line;
int linenr = 0;
for (std::getline(in,line); in.good(); std::getline(in,line)) {
linenr++;
istringstream iline;
iline.str(line);
iline >> std::skipws;
string variable;
string eq;
iline >> variable;
if (variable != "backend")
continue;
iline >> eq;
iline >> backend;
if (in.fail() || eq != "=") {
ostringstream oss;
oss << "Error parsing 'backend' in world.mt file at line " << linenr;
throw std::runtime_error(oss.str());
}
}
in.close();
if (backend == "")
backend = "sqlite3";
return backend;
}
void TileGenerator::openDb(const std::string &input)
{
string backend = m_backend;
bool unsupported = false;
if (m_backend == "auto")
backend = getWorldDatabaseBackend(input);
if(backend == "sqlite3") {
#if USE_SQLITE3
DBSQLite3 *db;
m_db = db = new DBSQLite3(input);
db->cacheWorldRow = m_sqliteCacheWorldRow;
#else
unsupported = true;
#endif
}
else if (backend == "leveldb") {
#if USE_LEVELDB
m_db = new DBLevelDB(input);
#else
unsupported = true;
#endif
}
else if (backend == "redis") {
#if USE_REDIS
m_db = new DBRedis(input);
#else
unsupported = true;
#endif
}
else if (m_backend == "auto")
throw std::runtime_error(((std::string) "World uses unrecognised database backend: ") + backend);
else
throw std::runtime_error(((std::string) "Internal error: unknown database backend: ") + m_backend);
if (unsupported)
throw std::runtime_error(((std::string) "World uses backend '") + backend + ", which was not enabled at compile-time.");
}
void TileGenerator::loadBlocks()
{
#define MESSAGE_WIDTH 25
int mapXMin, mapXMax;
int mapYMin, mapYMax;
int mapZMin, mapZMax;
int geomYMin, geomYMax;
long long world_blocks;
long long map_blocks;
if (verboseCoordinates >= 2) {
bool partialBlocks = (m_mapXStartNodeOffset || m_mapXEndNodeOffset || m_mapYStartNodeOffset || m_mapYEndNodeOffset);
if (partialBlocks || !m_blockGeometry) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< (m_blockGeometry ? "Command-line Geometry:" : "Requested Geometry:")
<< std::right
<< std::setw(7) << m_reqXMin*16+m_mapXStartNodeOffset << ","
<< std::setw(7) << m_reqYMin*16+m_reqYMinNode << ","
<< std::setw(7) << m_reqZMin*16-m_mapYEndNodeOffset
<< " .. "
<< std::setw(7) << m_reqXMax*16+15+m_mapXEndNodeOffset << ","
<< std::setw(7) << m_reqYMax*16+m_reqYMaxNode << ","
<< std::setw(7) << m_reqZMax*16+15-m_mapYStartNodeOffset
<< " ("
<< std::setw(6) << m_reqXMin << ","
<< std::setw(6) << m_reqYMin << ","
<< std::setw(6) << m_reqZMin
<< " .. "
<< std::setw(6) << m_reqXMax << ","
<< std::setw(6) << m_reqYMax << ","
<< std::setw(6) << m_reqZMax
<< ")\n";
}
if (partialBlocks || m_blockGeometry) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< (m_blockGeometry ? "Requested Geometry:" : "Block-aligned Geometry:")
<< std::right
<< std::setw(7) << m_reqXMin*16 << ","
<< std::setw(7) << m_reqYMin*16+m_reqYMinNode << ","
<< std::setw(7) << m_reqZMin*16 <<
" .. "
<< std::setw(7) << m_reqXMax*16+15 << ","
<< std::setw(7) << m_reqYMax*16+m_reqYMaxNode << ","
<< std::setw(7) << m_reqZMax*16+15
<< " ("
<< std::setw(6) << m_reqXMin << ","
<< std::setw(6) << m_reqYMin << ","
<< std::setw(6) << m_reqZMin
<< " .. "
<< std::setw(6) << m_reqXMax << ","
<< std::setw(6) << m_reqYMax << ","
<< std::setw(6) << m_reqZMax
<< ")\n";
}
}
if (m_blockGeometry) {
m_mapXStartNodeOffset = 0;
m_mapXEndNodeOffset = 0;
m_mapYStartNodeOffset = 0;
m_mapYEndNodeOffset = 0;
}
mapXMin = INT_MAX/16-1;
mapXMax = -INT_MIN/16+1;
mapYMin = INT_MAX/16-1;
mapYMax = -INT_MIN/16+1;
mapZMin = INT_MAX/16-1;
mapZMax = -INT_MIN/16+1;
geomYMin = INT_MAX/16-1;
geomYMax = -INT_MIN/16+1;
const DB::BlockPosList &blocks = m_db->getBlockPos();
world_blocks = 0;
map_blocks = 0;
for(DB::BlockPosList::const_iterator it = blocks.begin(); it != blocks.end(); ++it) {
world_blocks ++;
BlockPos pos = *it;
if (pos.x < mapXMin) {
mapXMin = pos.x;
}
if (pos.x > mapXMax) {
mapXMax = pos.x;
}
if (pos.y < mapYMin) {
mapYMin = pos.y;
}
if (pos.y > mapYMax) {
mapYMax = pos.y;
}
if (pos.z < mapZMin) {
mapZMin = pos.z;
}
if (pos.z > mapZMax) {
mapZMax = pos.z;
}
if (pos.x < m_reqXMin || pos.x > m_reqXMax || pos.z < m_reqZMin || pos.z > m_reqZMax) {
continue;
}
if (pos.y < geomYMin) {
geomYMin = pos.y;
}
if (pos.y > geomYMax) {
geomYMax = pos.y;
}
if (pos.y < m_reqYMin || pos.y > m_reqYMax) {
continue;
}
map_blocks++;
if (pos.y < m_yMin) {
m_yMin = pos.y;
}
if (pos.y > m_yMax) {
m_yMax = pos.y;
}
if (pos.x < m_xMin) {
m_xMin = pos.x;
}
if (pos.x > m_xMax) {
m_xMax = pos.x;
}
if (pos.z < m_zMin) {
m_zMin = pos.z;
}
if (pos.z > m_zMax) {
m_zMax = pos.z;
}
m_positions.push_back(pos);
}
if (verboseCoordinates >= 1) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< "World Geometry:" << std::right
<< std::setw(7) << mapXMin*16 << ","
<< std::setw(7) << mapYMin*16 << ","
<< std::setw(7) << mapZMin*16
<< " .. "
<< std::setw(7) << mapXMax*16+15 << ","
<< std::setw(7) << mapYMax*16+15 << ","
<< std::setw(7) << mapZMax*16+15
<< " ("
<< std::setw(6) << mapXMin << ","
<< std::setw(6) << mapYMin << ","
<< std::setw(6) << mapZMin
<< " .. "
<< std::setw(6) << mapXMax << ","
<< std::setw(6) << mapYMax << ","
<< std::setw(6) << mapZMax
<< ") blocks: "
<< std::setw(10) << world_blocks << "\n";
}
if (m_shrinkGeometry) {
if (m_xMin != m_reqXMin) m_mapXStartNodeOffset = 0;
if (m_xMax != m_reqXMax) m_mapXEndNodeOffset = 0;
if (m_zMin != m_reqZMin) m_mapYEndNodeOffset = 0;
if (m_zMax != m_reqZMax) m_mapYStartNodeOffset = 0;
}
else {
if (verboseCoordinates >= 2) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< "Minimal Map Geometry:" << std::right
<< std::setw(7) << m_xMin*16 << ","
<< std::setw(7) << m_yMin*16+m_reqYMinNode << ","
<< std::setw(7) << m_zMin*16
<< " .. "
<< std::setw(7) << m_xMax*16+15 << ","
<< std::setw(7) << m_yMax*16+m_reqYMaxNode << ","
<< std::setw(7) << m_zMax*16+15
<< " ("
<< std::setw(6) << m_xMin << ","
<< std::setw(6) << m_yMin << ","
<< std::setw(6) << m_zMin
<< " .. "
<< std::setw(6) << m_xMax << ","
<< std::setw(6) << m_yMax << ","
<< std::setw(6) << m_zMax
<< ")\n";
}
m_xMin = m_reqXMin;
m_xMax = m_reqXMax;
m_zMin = m_reqZMin;
m_zMax = m_reqZMax;
}
if (verboseCoordinates >= 2) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< "Map Vertical Limits:" << std::right
<< std::setw(7) << "x" << ","
<< std::setw(7) << geomYMin*16 << ","
<< std::setw(7) << "z"
<< " .. "
<< std::setw(7) << "x" << ","
<< std::setw(7) << geomYMax*16+15 << ","
<< std::setw(7) << "z"
<< " ("
<< std::setw(6) << "x" << ","
<< std::setw(6) << geomYMin << ","
<< std::setw(6) << "z"
<< " .. "
<< std::setw(6) << "x" << ","
<< std::setw(6) << geomYMax << ","
<< std::setw(6) << "z"
<< ")\n";
}
if (verboseCoordinates >= 1) {
cout
<< std::setw(MESSAGE_WIDTH) << std::left
<< "Map Output Geometry:" << std::right
<< std::setw(7) << m_xMin*16+m_mapXStartNodeOffset << ","
<< std::setw(7) << m_yMin*16+m_reqYMinNode << ","
<< std::setw(7) << m_zMin*16-m_mapYEndNodeOffset
<< " .. "
<< std::setw(7) << m_xMax*16+15+m_mapXEndNodeOffset << ","
<< std::setw(7) << m_yMax*16+m_reqYMaxNode << ","
<< std::setw(7) << m_zMax*16+15-m_mapYStartNodeOffset
<< " ("
<< std::setw(6) << m_xMin << ","
<< std::setw(6) << m_yMin << ","
<< std::setw(6) << m_zMin
<< " .. "
<< std::setw(6) << m_xMax << ","
<< std::setw(6) << m_yMax << ","
<< std::setw(6) << m_zMax
<< ") blocks: "
<< std::setw(10) << map_blocks << "\n";
}
m_positions.sort();
#undef MESSAGE_WIDTH
}
inline BlockPos TileGenerator::decodeBlockPos(int64_t blockId) const
{
BlockPos pos;
pos.x = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
blockId = (blockId - pos.x) / 4096;
pos.y = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
blockId = (blockId - pos.y) / 4096;
pos.z = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
return pos;
}
void TileGenerator::pushPixelRows(int zPosLimit) {
if (m_shading)
m_blockPixelAttributes.renderShading(m_drawAlpha);
int y;
for (y = m_nextStoredYCoord; y <= m_blockPixelAttributes.getLastY() && y < worldBlockZ2StoredY(m_zMin - 1) + m_mapYEndNodeOffset; y++) {
for (int x = m_mapXStartNodeOffset; x < worldBlockX2StoredX(m_xMax + 1) + m_mapXEndNodeOffset; x++) {
int mapX = x - m_mapXStartNodeOffset;
int mapY = y - m_mapYStartNodeOffset;
PixelAttribute &pixel = m_blockPixelAttributes.attribute(y, x);
#ifdef DEBUG
{ int ix = mapX2ImageX(mapX); assert(ix - m_border >= 0 && ix - m_border < m_pictWidth); }
{ int iy = mapY2ImageY(mapY); assert(iy - m_border >= 0 && iy - m_border < m_pictHeight); }
#endif
if (pixel.is_valid())
m_image->tpixels[mapY2ImageY(mapY)][mapX2ImageX(mapX)] = pixel.color().to_libgd();
}
}
int yLimit = worldBlockZ2StoredY(zPosLimit);
if (y <= yLimit) {
m_blockPixelAttributes.scroll(yLimit);
m_nextStoredYCoord = yLimit;
}
}
void TileGenerator::computeTileParameters(
// Input parameters
int minPos,
int maxPos,
int mapStartNodeOffset,
int mapEndNodeOffset,
int tileOrigin,
int tileSize,
// Input / Output parameters
int &pictSize,
// Output parameters
int &tileBorderCount,
int &tileMapStartOffset,
int &tileMapEndOffset,
// Behavior selection
bool ascending)
{
int start = minPos * 16 + mapStartNodeOffset - tileOrigin;
int limit = (maxPos+1) * 16 + mapEndNodeOffset - tileOrigin;
int shift;
// shift values, so that start = 0..tileSize-1
// (effect of tileOrigin is identical to (tileOrigin + tileSize)
// so any multiple of tileSize can be safely added)
if (start<0)
shift = - (start + 1) / tileSize + 1;
else
shift = - start / tileSize;
start += shift * tileSize;
limit += shift * tileSize;
int tileBorderStart = 0; // First border to draw
int tileBorderLimit = 0; // Last + 1 border to draw
if (ascending) {
// Prefer tile borders towards negative infinity
// 0 -> 0
// 1..tileSize -> 1
// (tileSize+1)..(2*tileSize) -> 2
// etc.
tileBorderStart = (start + tileSize - 1) / tileSize;
tileBorderLimit = (limit + tileSize - 1) / tileSize;
} else {
// Prefer tile borders towards positive infinity
// 0..(tileSize-1) -> 1
// tileSize..(2*tileSize-1) -> 2
// etc.
tileBorderStart = start / tileSize + 1;
tileBorderLimit = limit / tileSize + 1;
}
tileMapStartOffset = (tileSize - start) % tileSize;
tileMapEndOffset = limit - ((tileBorderLimit-tileBorderStart) * tileSize);
pictSize += (tileBorderLimit - tileBorderStart) * m_tileBorderSize;
tileBorderCount = tileBorderLimit - tileBorderStart;
}
void TileGenerator::computeMapParameters()
{
m_storedWidth = (m_xMax - m_xMin + 1) * 16;
m_storedHeight = (m_zMax - m_zMin + 1) * 16;
int mapWidth = m_storedWidth - m_mapXStartNodeOffset + m_mapXEndNodeOffset;
int mapHeight = m_storedHeight - m_mapYStartNodeOffset + m_mapYEndNodeOffset;
m_blockPixelAttributes.setParameters(m_storedWidth, 16);
// Set special values for origin (which depend on other paramters)
if (m_tileWidth) {
switch (m_tileXOrigin) {
case TILE_WORLDCENTERED:
m_tileXOrigin = -m_tileWidth / 2;
break;
case TILE_AT_WORLDCENTER:
m_tileXOrigin = 0;
break;
case TILE_MAPCENTERED:
m_tileXOrigin = m_xMin * 16 + m_mapXStartNodeOffset + mapWidth / 2 - m_tileWidth / 2;
printf("TILE_MAPCENTERED: m_tileXOrigin: m_xMin: %d, m_mapXStartNodeOffset: %d, mapWidth: %d, m_tileWidth: %d, m_tileXOrigin: %d\n",
m_xMin, m_mapXStartNodeOffset, mapWidth, m_tileWidth, m_tileXOrigin);
break;
case TILE_AT_MAPCENTER:
m_tileXOrigin = m_xMin * 16 + m_mapXStartNodeOffset + mapWidth / 2;
printf("TILE_AT_MAPCENTER: m_tileXOrigin: m_xMin: %d, m_mapXStartNodeOffset: %d, mapWidth: %d, m_tileWidth: %d, m_tileXOrigin: %d\n",
m_xMin, m_mapXStartNodeOffset, mapWidth, m_tileWidth, m_tileXOrigin);
break;
default:
if (m_tileXCentered)
m_tileXOrigin -= m_tileWidth/2;
break;
}
}
if (m_tileHeight) {
switch (m_tileZOrigin) {
case TILE_WORLDCENTERED:
m_tileZOrigin = -m_tileHeight / 2;
break;
case TILE_AT_WORLDCENTER:
m_tileZOrigin = 0;
break;
case TILE_MAPCENTERED:
m_tileZOrigin = (m_zMax + 1) * 16 - 1 - m_mapYStartNodeOffset - mapHeight / 2 - m_tileHeight / 2;
printf("TILE_MAPCENTERED: m_tileZOrigin: m_zMax: %d, m_mapYStartNodeOffset: %d, mapHeight: %d, m_tileHeight: %d, m_tileZOrigin: %d\n",
m_zMax, m_mapYStartNodeOffset, mapHeight, m_tileHeight, m_tileZOrigin);
break;
case TILE_AT_MAPCENTER:
m_tileZOrigin = (m_zMax + 1) * 16 - 1 - m_mapYStartNodeOffset - mapHeight / 2;
printf("TILE_AT_MAPCENTER: m_tileZOrigin: m_zMax: %d, m_mapYStartNodeOffset: %d, mapHeight: %d, m_tileHeight: %d, m_tileZOrigin: %d\n",
m_zMax, m_mapYStartNodeOffset, mapHeight, m_tileHeight, m_tileZOrigin);
break;
default:
if (m_tileYCentered)
m_tileZOrigin -= m_tileHeight / 2;
break;
}
}
// Compute adjustments for tiles.
m_pictWidth = mapWidth;
m_pictHeight = mapHeight;
if (m_tileWidth && m_tileBorderSize) {
int tileMapXEndOffset; // Dummy
TileGenerator::computeTileParameters(
// Input parameters
m_xMin,
m_xMax,
m_mapXStartNodeOffset,
m_mapXEndNodeOffset,
m_tileXOrigin,
m_tileWidth,
// Input / Output parameters
m_pictWidth,
// Output parameters
m_tileBorderXCount,
m_tileMapXOffset,
tileMapXEndOffset,
// Behavior selection
true);
}
if (m_tileHeight && m_tileBorderSize) {
int tileMapYEndOffset; // Dummy
TileGenerator::computeTileParameters(
// Input parameters
m_zMin,
m_zMax,
-m_mapYEndNodeOffset,
-m_mapYStartNodeOffset,
m_tileZOrigin,
m_tileHeight,
// Input / Output parameters
m_pictHeight,
// Output parameters
m_tileBorderYCount,
tileMapYEndOffset,
m_tileMapYOffset,
// Behavior selection
false);
}
m_nextStoredYCoord = m_mapYStartNodeOffset;
// Print some useful messages in cases where it may not be possible to generate the image...
long long pixels = static_cast<long long>(m_pictWidth + m_border) * (m_pictHeight + m_border);
// Study the libgd code to known why the maximum is the following:
long long max_pixels = INT_MAX - INT_MAX % m_pictHeight;
if (pixels > max_pixels) {
cerr << "WARNING: Image will have " << pixels << " pixels; the PNG graphics library will refuse to handle more than approximately " << INT_MAX << std::endl;
}
// Estimated approximate maximum was determined by trial and error...
// (24100x24100 succeeded; 24200x24200 failed)
#define ESTIMATED_MAX_PIXELS_32BIT (24100*24100L)
else if (sizeof(void *) == 4 && pixels > ESTIMATED_MAX_PIXELS_32BIT) {
cerr << "WARNING: Image will have " << pixels << " pixels; The maximum achievable on a 32-bit system is approximately " << ESTIMATED_MAX_PIXELS_32BIT << std::endl;
}
#undef ESTIMATED_MAX_PIXELS_32BIT
}
void TileGenerator::createImage()
{
m_image = gdImageCreateTrueColor(m_pictWidth + m_border, m_pictHeight + m_border);
if (!m_image) {
ostringstream oss;
oss << "Failed to allocate " << m_pictWidth + m_border << "x" << m_pictHeight + m_border << " image";
throw std::runtime_error(oss.str());
}
// Background
gdImageFilledRectangle(m_image, 0, 0, m_pictWidth + m_border - 1, m_pictHeight + m_border -1, m_bgColor.to_libgd());
// Draw tile borders
if (m_tileWidth && m_tileBorderSize) {
int borderColor = m_tileBorderColor.to_libgd();
for (int i = 0; i < m_tileBorderXCount; i++) {
int xPos = m_tileMapXOffset + i * (m_tileWidth + m_tileBorderSize);
#ifdef DEBUG
int xPos2 = mapX2ImageX(m_tileMapXOffset + i * m_tileWidth) - m_border - 1;
assert(xPos == xPos2);
#endif
gdImageFilledRectangle(m_image, xPos + m_border, m_border, xPos + (m_tileBorderSize-1) + m_border, m_pictHeight + m_border - 1, borderColor);
}
}
if (m_tileHeight && m_tileBorderSize) {
int borderColor = m_tileBorderColor.to_libgd();
for (int i = 0; i < m_tileBorderYCount; i++) {
int yPos = m_tileMapYOffset + i * (m_tileHeight + m_tileBorderSize);
#ifdef DEBUG
int yPos2 = mapY2ImageY(m_tileMapYOffset + i * m_tileHeight) - m_border - 1;
assert(yPos == yPos2);
#endif
gdImageFilledRectangle(m_image, m_border, yPos + m_border, m_pictWidth + m_border - 1, yPos + (m_tileBorderSize-1) + m_border, borderColor);
}
}
}
void TileGenerator::processMapBlock(const DB::Block &block)
{
const BlockPos &pos = block.first;
const unsigned char *data = block.second.c_str();
size_t length = block.second.length();
uint8_t version = readU8(data, 0, length);
//uint8_t flags = readU8(data, 1, length);
size_t dataOffset = 0;
if (version >= 22) {
dataOffset = 4;
}
else {
dataOffset = 2;
}
// Zlib header: 2; Deflate header: >=1
checkDataLimit("zlib", dataOffset, 3, length);
ZlibDecompressor decompressor(data, length);
decompressor.setSeekPos(dataOffset);
ustring mapData = decompressor.decompress();
ustring mapMetadata = decompressor.decompress();
dataOffset = decompressor.seekPos();
// Skip unused data
if (version <= 21) {
dataOffset += 2;
}
if (version == 23) {
dataOffset += 1;
}
if (version == 24) {
uint8_t ver = readU8(data, dataOffset++, length);
if (ver == 1) {
uint16_t num = readU16(data, dataOffset, length);
dataOffset += 2;
dataOffset += 10 * num;
}
}
// Skip unused static objects
dataOffset++; // Skip static object version
int staticObjectCount = readU16(data, dataOffset, length);
dataOffset += 2;
for (int i = 0; i < staticObjectCount; ++i) {
dataOffset += 13;
uint16_t dataSize = readU16(data, dataOffset, length);
dataOffset += dataSize + 2;
}
dataOffset += 4; // Skip timestamp
m_blockAirId = -1;
m_blockIgnoreId = -1;
// Read mapping
if (version >= 22) {
dataOffset++; // mapping version
uint16_t numMappings = readU16(data, dataOffset, length);
dataOffset += 2;
for (int i = 0; i < numMappings; ++i) {
uint16_t nodeId = readU16(data, dataOffset, length);
dataOffset += 2;
uint16_t nameLen = readU16(data, dataOffset, length);
dataOffset += 2;
string name;
readString(name, data, dataOffset, nameLen, length);
name = name.c_str(); // Truncate any trailing NUL bytes
if (name == "air") {
m_blockAirId = nodeId;
}
else if (name == "ignore") {
m_blockIgnoreId = nodeId;
}
else {
m_nameMap[nodeId] = name;
}
dataOffset += nameLen;
}
}
// Node timers
if (version >= 25) {
dataOffset++;
uint16_t numTimers = readU16(data, dataOffset, length);
dataOffset += 2;
dataOffset += numTimers * 10;
}
renderMapBlock(mapData, pos, version);
}
void TileGenerator::renderMap()
{
int unpackErrors = 0;
int blocks_rendered = 0;
int area_rendered = 0;
BlockPos currentPos;
currentPos.x = INT_MIN;
currentPos.y = 0;
currentPos.z = INT_MIN;
bool allReaded = false;
for (std::list<BlockPos>::const_iterator position = m_positions.begin(); position != m_positions.end(); ++position) {
const BlockPos &pos = *position;
if (currentPos.x != pos.x || currentPos.z != pos.z) {
area_rendered++;
if (currentPos.z != pos.z) {
pushPixelRows(pos.z);
m_blockPixelAttributes.setLastY((m_zMax - pos.z) * 16 + 15);
if (progressIndicator)
cout << "Processing Z-coordinate: " << std::setw(5) << pos.z*16 << "\r" << std::flush;
}
for (int i = 0; i < 16; ++i) {
m_readedPixels[i] = 0;
}
allReaded = false;
currentPos = pos;
}
else if (allReaded) {
continue;
}
DB::Block block = m_db->getBlockOnPos(pos);
if (!block.second.empty()) {
try {
processMapBlock(block);
blocks_rendered++;
allReaded = true;
for (int i = 0; i < 16; ++i) {
if (m_readedPixels[i] != 0xffff) {
allReaded = false;
}
}
}
catch (UnpackError &e) {
std::cerr << "Failed to unpack map block " << pos.x << "," << pos.y << "," << pos.z
<< " (id: " << pos.databasePos() << "). Block corrupt ?"
<< std::endl
<< "\tCoordinates: " << pos.x*16 << "," << pos.y*16 << "," << pos.z*16 << "+16+16+16"
<< "; Data: " << e.type << " at: " << e.offset << "(+" << e.length << ")/" << e.dataLength
<< std::endl;
unpackErrors++;
}
catch (ZlibDecompressor::DecompressError &e) {
std::cerr << "Failed to decompress data in map block " << pos.x << "," << pos.y << "," << pos.z
<< " (id: " << pos.databasePos() << "). Block corrupt ?"
<< std::endl
<< "\tCoordinates: " << pos.x*16 << "," << pos.y*16 << "," << pos.z*16 << "+16+16+16"
<< "; Cause: " << e.message
<< std::endl;
unpackErrors++;
}
}
if (unpackErrors >= 100) {
throw(std::runtime_error("Too many block unpacking errors - bailing out"));
}
}
if (currentPos.z != INT_MIN)
pushPixelRows(currentPos.z - 1);
if (verboseStatistics) {
cout << "Statistics"
<< ": blocks read: " << m_db->getBlocksReadCount()
<< " (" << m_db->getBlocksCachedCount() << " cached + "
<< m_db->getBlocksUnCachedCount() << " uncached)"
<< "; blocks rendered: " << blocks_rendered
<< "; area rendered: " << area_rendered
<< "/" << (m_xMax-m_xMin+1) * (m_zMax-m_zMin+1)
<< " (" << (long long)area_rendered*16*16 << " nodes)";
if (unpackErrors)
cout << " (" << unpackErrors << " errors)";
cout << std::endl;
}
else if (progressIndicator)
cout << std::setw(40) << "" << "\r";
}
inline void TileGenerator::renderMapBlock(const ustring &mapBlock, const BlockPos &pos, int version)
{
checkBlockNodeDataLimit(version, mapBlock.length());
int xBegin = worldBlockX2StoredX(pos.x);
int zBegin = worldBlockZ2StoredY(pos.z);
const unsigned char *mapData = mapBlock.c_str();
int minY = (pos.y < m_reqYMin) ? 16 : (pos.y > m_reqYMin) ? 0 : m_reqYMinNode;
int maxY = (pos.y > m_reqYMax) ? -1 : (pos.y < m_reqYMax) ? 15 : m_reqYMaxNode;
for (int z = 0; z < 16; ++z) {
for (int x = 0; x < 16; ++x) {
if (m_readedPixels[z] & (1 << x)) {
continue;
}
for (int y = maxY; y >= minY; --y) {
int position = x + (y << 4) + (z << 8);
int content = readBlockContent(mapData, version, position);
if (content == m_blockIgnoreId || content == m_blockAirId) {
continue;
}
NodeID2NameMap::iterator blockName = m_nameMap.find(content);
if (blockName == m_nameMap.end())
continue;
const string &name = blockName->second;
ColorMap::const_iterator color = m_colors.find(name);
if (color != m_colors.end()) {
PixelAttribute pixel = PixelAttribute(color->second, pos.y * 16 + y);
if (m_drawAlpha) {
m_blockPixelAttributes.attribute(zBegin + 15 - z,xBegin + x).mixUnder(pixel);
if(pixel.alpha() == 0xff) {
m_readedPixels[z] |= (1 << x);
break;
}
} else {
m_blockPixelAttributes.attribute(zBegin + 15 - z, xBegin + x) = pixel;
m_readedPixels[z] |= (1 << x);
break;
}
} else {
m_unknownNodes.insert(name);
}
}
}
}
}
void TileGenerator::renderScale()
{
int color = m_scaleColor.to_libgd();
gdImageString(m_image, gdFontGetMediumBold(), 24, 0, reinterpret_cast<unsigned char *>(const_cast<char *>("X")), color);
gdImageString(m_image, gdFontGetMediumBold(), 2, 24, reinterpret_cast<unsigned char *>(const_cast<char *>("Z")), color);
string scaleText;
for (int i = (m_xMin / 4) * 4; i <= m_xMax; i += 4) {
stringstream buf;
buf << i * 16;
scaleText = buf.str();
int xPos = worldX2ImageX(i * 16);
gdImageString(m_image, gdFontGetMediumBold(), xPos + 2, 0, reinterpret_cast<unsigned char *>(const_cast<char *>(scaleText.c_str())), color);
gdImageLine(m_image, xPos, 0, xPos, m_border - 1, color);
}
for (int i = (m_zMax / 4) * 4; i >= m_zMin; i -= 4) {
stringstream buf;
buf << i * 16;
scaleText = buf.str();
int yPos = worldZ2ImageY(i * 16);
gdImageString(m_image, gdFontGetMediumBold(), 2, yPos, reinterpret_cast<unsigned char *>(const_cast<char *>(scaleText.c_str())), color);
gdImageLine(m_image, 0, yPos, m_border - 1, yPos, color);
}
}
void TileGenerator::renderOrigin()
{
int imageX = worldX2ImageX(0);
int imageY = worldZ2ImageY(0);
gdImageArc(m_image, imageX, imageY, 12, 12, 0, 360, m_originColor.to_libgd());
}
void TileGenerator::renderPlayers(const std::string &inputPath)
{
int color = m_playerColor.to_libgd();
PlayerAttributes players(inputPath);
for (PlayerAttributes::Players::iterator player = players.begin(); player != players.end(); ++player) {
int imageX = worldX2ImageX(player->x / 10);
int imageY = worldZ2ImageY(player->z / 10);
gdImageArc(m_image, imageX, imageY, 5, 5, 0, 360, color);
gdImageString(m_image, gdFontGetMediumBold(), imageX + 2, imageY + 2, reinterpret_cast<unsigned char *>(const_cast<char *>(player->name.c_str())), color);
}
}
void TileGenerator::renderDrawObjects(void)
{
for (std::vector<DrawObject>::iterator o = m_drawObjects.begin(); o != m_drawObjects.end(); o++) {
// Hack to adjust the center of an ellipse with even dimensions to align it correctly
bool ellipseAdjustCenter[2] = { 0, 1 };
#ifdef DEBUG
assert(o->type != DrawObject::Unknown);
assert(o->haveDimensions || !o->haveCenter);
// Look for problems...
if (o->haveCenter)
o->corner1 = NodeCoord(NodeCoord::Invalid, NodeCoord::Invalid, NodeCoord::Invalid);
else
o->center = NodeCoord(NodeCoord::Invalid, NodeCoord::Invalid, NodeCoord::Invalid);
if (o->haveDimensions)
o->corner2 = NodeCoord(NodeCoord::Invalid, NodeCoord::Invalid, NodeCoord::Invalid);
else
o->dimensions = NodeCoord(NodeCoord::Invalid, NodeCoord::Invalid, NodeCoord::Invalid);
#else
// Avoid problems - the resulting image may still be incorrect though...
if (o->type == DrawObject::Unknown)
continue;
if (o->haveCenter)
o->corner1 = o->center;
else
o->center = o->corner1;
if (o->haveDimensions)
o->corner2 = o->dimensions;
else
o->dimensions = o->corner2;
if (!o->haveDimensions && o->haveCenter)
o->haveDimensions = true;
#endif
for (int i = 0; i < 2; i++) {
if (o->world) {
int (TileGenerator::*world2Image)(int val) const;
if (i==0)
world2Image = &TileGenerator::worldX2ImageX;
else
world2Image = &TileGenerator::worldZ2ImageY;
if (o->haveCenter)
o->center.dimension[i] = (this->*world2Image)(o->center.dimension[i]);
else
o->corner1.dimension[i] = (this->*world2Image)(o->corner1.dimension[i]);
if (!o->haveDimensions) {
o->corner2.dimension[i] = (this->*world2Image)(o->corner2.dimension[i]);
if (i == 1)
ellipseAdjustCenter[i] = !ellipseAdjustCenter[i];
}
else if (i==1) {
o->dimensions.dimension[i] = -o->dimensions.dimension[i];
ellipseAdjustCenter[i] = !ellipseAdjustCenter[i];
}
}
else {
if (o->haveCenter)
o->center.dimension[i] += m_border;
else
o->corner1.dimension[i] += m_border;
if (!o->haveDimensions)
o->corner2.dimension[i] += m_border;
}
}
for (int i = 0; i < 2; i++) {
// Make sure all individual coordinates are ordered and dimensions are positive
// EXCEPT for lines: lines do not have reflection symmetry.
if (o->type != DrawObject::Line) {
if (!o->haveDimensions) {
if (o->corner1.dimension[i] > o->corner2.dimension[i]) {
int temp = o->corner1.dimension[i];
o->corner1.dimension[i] = o->corner2.dimension[i];
o->corner2.dimension[i] = temp;
ellipseAdjustCenter[i] = !ellipseAdjustCenter[i];
}
}
else if (o->dimensions.dimension[i] < 0) {
if (!o->haveCenter)
o->corner1.dimension[i] += o->dimensions.dimension[i] + 1;
else
// Even dimensions cause asymetry
o->center.dimension[i] += ((1 - o->dimensions.dimension[i]) % 2);
o->dimensions.dimension[i] = -o->dimensions.dimension[i];
ellipseAdjustCenter[i] = !ellipseAdjustCenter[i];
}
}
// Convert to the apropriate type of coordinates.
if (o->type == DrawObject::Ellipse) {
if (!o->haveDimensions) {
o->dimensions.dimension[i] = o->corner2.dimension[i] - o->corner1.dimension[i] + 1;
o->center.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] / 2;
}
else if (!o->haveCenter) {
o->center.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] / 2;
}
if (o->world && ellipseAdjustCenter[i] && o->dimensions.dimension[i] % 2 == 0)
o->center.dimension[i] -= 1;
}
else if (o->type == DrawObject::Line || o->type == DrawObject::Rectangle) {
if (o->haveCenter) {
o->corner1.dimension[i] = o->center.dimension[i] - o->dimensions.dimension[i] / 2;
if (o->dimensions.dimension[i] < 0)
o->corner2.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] + 1;
else
o->corner2.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] - 1;
}
else if (o->haveDimensions) {
if (o->dimensions.dimension[i] < 0)
o->corner2.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] + 1;
else
o->corner2.dimension[i] = o->corner1.dimension[i] + o->dimensions.dimension[i] - 1;
}
}
#ifdef DEBUG
else
assert(o->type == DrawObject::Point || o->type == DrawObject::Text);
#endif
}
switch(o->type) {
case DrawObject::Point:
gdImageSetPixel(m_image, o->center.x, o->center.y, o->color.to_libgd());
break;
case DrawObject::Line:
gdImageLine(m_image, o->corner1.x, o->corner1.y, o->corner2.x, o->corner2.y, o->color.to_libgd());
break;
case DrawObject::Ellipse:
gdImageArc(m_image, o->center.x, o->center.y, o->dimensions.x, o->dimensions.y, 0, 360, o->color.to_libgd());
break;
case DrawObject::Rectangle:
gdImageRectangle(m_image, o->corner1.x, o->corner1.y, o->corner2.x, o->corner2.y, o->color.to_libgd());
break;
case DrawObject::Text:
gdImageString(m_image, gdFontGetMediumBold(), o->center.x, o->center.y, reinterpret_cast<unsigned char *>(const_cast<char *>(o->text.c_str())), o->color.to_libgd());
break;
default:
#ifdef DEBUG
assert(o->type != o->type);
#endif
break;
}
}
}
inline std::list<int> TileGenerator::getZValueList() const
{
std::list<int> zlist;
for (std::list<BlockPos>::const_iterator position = m_positions.begin(); position != m_positions.end(); ++position) {
zlist.push_back(position->z);
}
zlist.sort();
zlist.unique();
zlist.reverse();
return zlist;
}
void TileGenerator::writeImage(const std::string &output)
{
FILE *out;
out = fopen(output.c_str(), "wb");
if (!out) {
std::ostringstream oss;
oss << "Error opening '" << output.c_str() << "': " << std::strerror(errno);
throw std::runtime_error(oss.str());
}
gdImagePng(m_image, out);
fclose(out);
gdImageDestroy(m_image);
}
void TileGenerator::printUnknown()
{
if (m_unknownNodes.size() > 0) {
std::cerr << "Unknown nodes:" << std::endl;
for (std::set<std::string>::iterator node = m_unknownNodes.begin(); node != m_unknownNodes.end(); ++node) {
std::cerr << *node << std::endl;
}
}
}
// Adjust map coordinate for tiles and border
inline int TileGenerator::mapX2ImageX(int val) const
{
if (m_tileWidth && m_tileBorderSize)
val += ((val - m_tileMapXOffset + m_tileWidth) / m_tileWidth) * m_tileBorderSize + m_border;
else
val += m_border;
return val;
}
// Adjust map coordinate for tiles and border
inline int TileGenerator::mapY2ImageY(int val) const
{
if (m_tileHeight && m_tileBorderSize)
val += ((val - m_tileMapYOffset + m_tileHeight) / m_tileHeight) * m_tileBorderSize + m_border;
else
val += m_border;
return val;
}
// Convert world coordinate to image coordinate
inline int TileGenerator::worldX2ImageX(int val) const
{
val = (val - m_xMin * 16) - m_mapXStartNodeOffset;
return mapX2ImageX(val);
}
// Convert world coordinate to image coordinate
inline int TileGenerator::worldZ2ImageY(int val) const
{
val = (m_zMax * 16 + 15 - val) - m_mapYStartNodeOffset;
return mapY2ImageY(val);
}