655 lines
16 KiB
C++
655 lines
16 KiB
C++
/*
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* =====================================================================
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* Version: 1.0
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* Created: 23.08.2012 12:35:53
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* Author: Miroslav Bendík
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* Company: LinuxOS.sk
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* =====================================================================
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*/
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#include <cstdio>
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#include <cstdlib>
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#include <fstream>
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#include <gdfontmb.h>
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#include <iostream>
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#include <sstream>
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#include <climits>
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#include "config.h"
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#include "PlayerAttributes.h"
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#include "TileGenerator.h"
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#include "ZlibDecompressor.h"
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#include "colors.h"
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using namespace std;
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static inline sqlite3_int64 pythonmodulo(sqlite3_int64 i, sqlite3_int64 mod)
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{
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if (i >= 0) {
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return i % mod;
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}
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else {
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return mod - ((-i) % mod);
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}
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}
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static inline int unsignedToSigned(long i, long max_positive)
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{
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if (i < max_positive) {
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return i;
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}
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else {
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return i - 2l * max_positive;
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}
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}
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static inline uint16_t readU16(const unsigned char *data)
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{
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return data[0] << 8 | data[1];
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}
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static inline int rgb2int(uint8_t r, uint8_t g, uint8_t b)
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{
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return (r << 16) + (g << 8) + b;
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}
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static inline int readBlockContent(const unsigned char *mapData, int version, int datapos)
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{
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if (version >= 24) {
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size_t index = datapos << 1;
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return (mapData[index] << 8) | mapData[index + 1];
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}
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else if (version >= 20) {
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if (mapData[datapos] <= 0x80) {
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return mapData[datapos];
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}
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else {
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return (int(mapData[datapos]) << 4) | (int(mapData[datapos + 0x2000]) >> 4);
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}
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}
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else {
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throw VersionError();
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}
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}
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static inline int colorSafeBounds(int color)
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{
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if (color > 255) {
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return 255;
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}
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else if (color < 0) {
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return 0;
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}
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else {
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return color;
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}
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}
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TileGenerator::TileGenerator():
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m_bgColor(255, 255, 255),
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m_scaleColor(0, 0, 0),
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m_originColor(255, 0, 0),
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m_playerColor(255, 0, 0),
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m_drawOrigin(false),
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m_drawPlayers(false),
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m_drawScale(false),
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m_border(0),
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m_db(0),
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m_image(0),
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m_xMin(INT_MAX),
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m_xMax(INT_MIN),
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m_zMin(INT_MAX),
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m_zMax(INT_MIN),
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m_geomX(-50),
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m_geomY(-50),
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m_geomX2(50),
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m_geomY2(50)
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{
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string colors_txt_data(reinterpret_cast<char *>(colors_txt), colors_txt_len);
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istringstream colors_stream(colors_txt_data);
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parseColorsStream(colors_stream);
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}
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TileGenerator::~TileGenerator()
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{
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if (m_db != 0) {
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sqlite3_close(m_db);
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m_db = 0;
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}
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}
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void TileGenerator::setBgColor(const std::string &bgColor)
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{
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m_bgColor = parseColor(bgColor);
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}
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void TileGenerator::setScaleColor(const std::string &scaleColor)
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{
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m_scaleColor = parseColor(scaleColor);
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}
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void TileGenerator::setOriginColor(const std::string &originColor)
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{
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m_originColor = parseColor(originColor);
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}
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void TileGenerator::setPlayerColor(const std::string &playerColor)
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{
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m_playerColor = parseColor(playerColor);
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}
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Color TileGenerator::parseColor(const std::string &color)
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{
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Color parsed;
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if (color.length() != 7) {
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throw ColorError();
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}
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if (color[0] != '#') {
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throw ColorError();
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}
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long col = strtol(color.c_str() + 1, NULL, 16);
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parsed.b = col % 256;
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col = col / 256;
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parsed.g = col % 256;
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col = col / 256;
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parsed.r = col % 256;
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return parsed;
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}
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void TileGenerator::setDrawOrigin(bool drawOrigin)
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{
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m_drawOrigin = drawOrigin;
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}
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void TileGenerator::setDrawPlayers(bool drawPlayers)
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{
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m_drawPlayers = drawPlayers;
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}
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void TileGenerator::setDrawScale(bool drawScale)
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{
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m_drawScale = drawScale;
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if (m_drawScale) {
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m_border = 40;
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}
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}
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void TileGenerator::setGeometry(int x, int y, int w, int h)
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{
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if (x > 0) {
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m_geomX = (x + 15) / 16;
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}
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else {
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m_geomX = (x - 15) / 16;
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}
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if (y > 0) {
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m_geomY = (y + 15) / 16;
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}
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else {
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m_geomY = (y - 15) / 16;
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}
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int x2 = x + w;
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int y2 = y + h;
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if (x2 > 0) {
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m_geomX2 = (x2 + 15) / 16;
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}
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else {
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m_geomX2 = (x2 - 15) / 16;
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}
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if (y2 > 0) {
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m_geomY2 = (y2 + 15) / 16;
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}
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else {
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m_geomY2 = (y2 - 15) / 16;
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}
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}
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void TileGenerator::parseColorsFile(const std::string &fileName)
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{
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ifstream in;
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in.open(fileName.c_str(), ifstream::in);
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if (!in.is_open()) {
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return;
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}
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parseColorsStream(in);
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}
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void TileGenerator::generate(const std::string &input, const std::string &output)
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{
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string input_path = input;
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if (input_path[input.length() - 1] != PATH_SEPARATOR) {
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input_path += PATH_SEPARATOR;
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}
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openDb(input_path);
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loadBlocks();
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createImage();
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renderMap();
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if (m_drawScale) {
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renderScale();
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}
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if (m_drawOrigin) {
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renderOrigin();
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}
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if (m_drawPlayers) {
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renderPlayers(input_path);
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}
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writeImage(output);
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printUnknown();
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}
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void TileGenerator::parseColorsStream(std::istream &in)
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{
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while (in.good()) {
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string name;
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Color color;
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in >> name;
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if (name[0] == '#') {
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in.ignore(65536, '\n');
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in >> name;
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}
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while (name == "\n" && in.good()) {
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in >> name;
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}
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int r, g, b;
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in >> r;
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in >> g;
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in >> b;
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if (in.good()) {
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color.r = r;
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color.g = g;
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color.b = b;
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m_colors[name] = color;
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}
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}
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}
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void TileGenerator::openDb(const std::string &input)
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{
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string db_name = input + "map.sqlite";
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if (sqlite3_open_v2(db_name.c_str(), &m_db, SQLITE_OPEN_READONLY | SQLITE_OPEN_PRIVATECACHE, 0) != SQLITE_OK) {
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std::cerr << sqlite3_errmsg(m_db) << ", Database file: " << db_name << std::endl;
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throw DbError();
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}
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}
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void TileGenerator::loadBlocks()
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{
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sqlite3_stmt *statement;
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string sql = "SELECT pos FROM blocks";
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if (sqlite3_prepare_v2(m_db, sql.c_str(), sql.length(), &statement, 0) == SQLITE_OK) {
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int result = 0;
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while (true) {
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result = sqlite3_step(statement);
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if(result == SQLITE_ROW) {
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sqlite3_int64 blocknum = sqlite3_column_int64(statement, 0);
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BlockPos pos = decodeBlockPos(blocknum);
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if (pos.x < m_geomX || pos.x >= m_geomX2 || pos.z < m_geomY || pos.z >= m_geomY2) {
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continue;
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}
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if (pos.x < m_xMin) {
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m_xMin = pos.x;
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}
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if (pos.x > m_xMax) {
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m_xMax = pos.x;
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}
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if (pos.z < m_zMin) {
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m_zMin = pos.z;
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}
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if (pos.z > m_zMax) {
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m_zMax = pos.z;
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}
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m_positions.push_back(std::pair<int, int>(pos.x, pos.z));
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}
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else {
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break;
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}
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}
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m_positions.sort();
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m_positions.unique();
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}
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else {
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throw DbError();
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}
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}
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inline BlockPos TileGenerator::decodeBlockPos(sqlite3_int64 blockId) const
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{
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BlockPos pos;
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pos.x = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
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blockId = (blockId - pos.x) / 4096;
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pos.y = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
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blockId = (blockId - pos.y) / 4096;
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pos.z = unsignedToSigned(pythonmodulo(blockId, 4096), 2048);
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return pos;
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}
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void TileGenerator::createImage()
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{
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m_mapWidth = (m_xMax - m_xMin + 1) * 16;
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m_mapHeight = (m_zMax - m_zMin + 1) * 16;
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m_image = gdImageCreateTrueColor(m_mapWidth + m_border, m_mapHeight + m_border);
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m_blockPixelAttributes.setWidth(m_mapWidth);
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// Background
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gdImageFilledRectangle(m_image, 0, 0, m_mapWidth + m_border - 1, m_mapHeight + m_border -1, rgb2int(m_bgColor.r, m_bgColor.g, m_bgColor.b));
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}
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void TileGenerator::renderMap()
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{
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sqlite3_stmt *statement;
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string sql = "SELECT pos, data FROM blocks WHERE (pos >= ? AND pos <= ?)";
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if (sqlite3_prepare_v2(m_db, sql.c_str(), sql.length(), &statement, 0) != SQLITE_OK) {
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throw DbError();
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}
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std::list<int> zlist = getZValueList();
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for (std::list<int>::iterator zPosition = zlist.begin(); zPosition != zlist.end(); ++zPosition) {
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int zPos = *zPosition;
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map<int, BlockList> blocks = getBlocksOnZ(zPos, statement);
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for (std::list<std::pair<int, int> >::const_iterator position = m_positions.begin(); position != m_positions.end(); ++position) {
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if (position->second != zPos) {
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continue;
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}
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for (int i = 0; i < 16; ++i) {
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m_readedPixels[i] = 0;
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}
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int xPos = position->first;
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blocks[xPos].sort();
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const BlockList &blockStack = blocks[xPos];
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for (BlockList::const_iterator it = blockStack.begin(); it != blockStack.end(); ++it) {
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const BlockPos &pos = it->first;
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const unsigned char *data = it->second.c_str();
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size_t length = it->second.length();
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uint8_t version = data[0];
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//uint8_t flags = data[1];
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size_t dataOffset = 0;
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if (version >= 22) {
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dataOffset = 4;
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}
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else {
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dataOffset = 2;
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}
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ZlibDecompressor decompressor(data, length);
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decompressor.setSeekPos(dataOffset);
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ZlibDecompressor::string mapData = decompressor.decompress();
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ZlibDecompressor::string mapMetadata = decompressor.decompress();
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dataOffset = decompressor.seekPos();
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// Skip unused data
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if (version <= 21) {
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dataOffset += 2;
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}
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if (version == 23) {
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dataOffset += 1;
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}
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if (version == 24) {
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uint8_t ver = data[dataOffset++];
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if (ver == 1) {
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uint16_t num = readU16(data + dataOffset);
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dataOffset += 2;
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dataOffset += 10 * num;
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}
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}
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// Skip unused static objects
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dataOffset++; // Skip static object version
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int staticObjectCount = readU16(data + dataOffset);
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dataOffset += 2;
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for (int i = 0; i < staticObjectCount; ++i) {
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dataOffset += 13;
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uint16_t dataSize = readU16(data + dataOffset);
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dataOffset += dataSize + 2;
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}
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dataOffset += 4; // Skip timestamp
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m_blockAirId = -1;
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m_blockIgnoreId = -1;
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// Read mapping
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if (version >= 22) {
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dataOffset++; // mapping version
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uint16_t numMappings = readU16(data + dataOffset);
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dataOffset += 2;
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for (int i = 0; i < numMappings; ++i) {
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uint16_t nodeId = readU16(data + dataOffset);
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dataOffset += 2;
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uint16_t nameLen = readU16(data + dataOffset);
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dataOffset += 2;
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string name = string(reinterpret_cast<const char *>(data) + dataOffset, nameLen);
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if (name == "air") {
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m_blockAirId = nodeId;
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}
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else if (name == "ignore") {
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m_blockIgnoreId = nodeId;
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}
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else {
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m_nameMap[nodeId] = name;
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}
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dataOffset += nameLen;
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}
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}
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// Node timers
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if (version >= 25) {
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dataOffset++;
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uint16_t numTimers = readU16(data + dataOffset);
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dataOffset += 2;
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dataOffset += numTimers * 10;
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}
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renderMapBlock(mapData, pos, version);
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bool allReaded = true;
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for (int i = 0; i < 16; ++i) {
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if (m_readedPixels[i] != 0xffff) {
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allReaded = false;
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}
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}
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if (allReaded) {
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break;
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}
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}
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}
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renderShading(zPos);
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}
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}
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inline void TileGenerator::renderMapBlock(const unsigned_string &mapBlock, const BlockPos &pos, int version)
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{
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int xBegin = (pos.x - m_xMin) * 16;
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int zBegin = (m_zMax - pos.z) * 16;
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const unsigned char *mapData = mapBlock.c_str();
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for (int z = 0; z < 16; ++z) {
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int imageY = getImageY(zBegin + 15 - z);
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for (int x = 0; x < 16; ++x) {
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if (m_readedPixels[z] & (1 << x)) {
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continue;
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}
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int imageX = getImageX(xBegin + x);
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for (int y = 15; y >= 0; --y) {
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int position = x + (y << 4) + (z << 8);
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int content = readBlockContent(mapData, version, position);
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if (content == m_blockIgnoreId || content == m_blockAirId) {
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continue;
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}
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std::map<int, std::string>::iterator blockName = m_nameMap.find(content);
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if (blockName != m_nameMap.end()) {
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const string &name = blockName->second;
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ColorMap::const_iterator color = m_colors.find(name);
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if (color != m_colors.end()) {
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const Color &c = color->second;
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m_image->tpixels[imageY][imageX] = rgb2int(c.r, c.g, c.b);
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m_readedPixels[z] |= (1 << x);
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m_blockPixelAttributes.attribute(15 - z, xBegin + x).height = pos.y * 16 + y;
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}
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else {
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m_unknownNodes.insert(name);
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}
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break;
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}
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}
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}
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}
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}
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inline void TileGenerator::renderShading(int zPos)
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{
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int zBegin = (m_zMax - zPos) * 16;
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for (int z = 0; z < 16; ++z) {
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int imageY = zBegin + z;
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if (imageY >= m_mapHeight) {
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continue;
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}
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imageY = getImageY(imageY);
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for (int x = 0; x < m_mapWidth; ++x) {
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if (!m_blockPixelAttributes.attribute(z, x).valid_height() || !m_blockPixelAttributes.attribute(z, x - 1).valid_height() || !m_blockPixelAttributes.attribute(z - 1, x).valid_height()) {
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continue;
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}
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int y = m_blockPixelAttributes.attribute(z, x).height;
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int y1 = m_blockPixelAttributes.attribute(z, x - 1).height;
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int y2 = m_blockPixelAttributes.attribute(z - 1, x).height;
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int d = ((y - y1) + (y - y2)) * 12;
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if (d > 36) {
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d = 36;
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}
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int sourceColor = m_image->tpixels[imageY][getImageX(x)] & 0xffffff;
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int r = (sourceColor & 0xff0000) >> 16;
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int g = (sourceColor & 0x00ff00) >> 8;
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int b = (sourceColor & 0x0000ff);
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r = colorSafeBounds(r + d);
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g = colorSafeBounds(g + d);
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b = colorSafeBounds(b + d);
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m_image->tpixels[imageY][getImageX(x)] = rgb2int(r, g, b);
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}
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}
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m_blockPixelAttributes.scroll();
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}
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void TileGenerator::renderScale()
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{
|
|
int color = rgb2int(m_scaleColor.r, m_scaleColor.g, m_scaleColor.b);
|
|
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 = m_xMin * -16 + i * 16 + m_border;
|
|
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 = m_mapHeight - 1 - (i * 16 - m_zMin * 16) + m_border;
|
|
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 = -m_xMin * 16 + m_border;
|
|
int imageY = m_mapHeight - m_zMin * -16 + m_border;
|
|
gdImageArc(m_image, imageX, imageY, 12, 12, 0, 360, rgb2int(m_originColor.r, m_originColor.g, m_originColor.b));
|
|
}
|
|
|
|
void TileGenerator::renderPlayers(const std::string &inputPath)
|
|
{
|
|
int color = rgb2int(m_playerColor.r, m_playerColor.g, m_playerColor.b);
|
|
|
|
PlayerAttributes players(inputPath);
|
|
for (PlayerAttributes::Players::iterator player = players.begin(); player != players.end(); ++player) {
|
|
int imageX = player->x / 10 - m_xMin * 16 + m_border;
|
|
int imageY = m_mapHeight - (player->z / 10 - m_zMin * 16) + m_border;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
inline std::list<int> TileGenerator::getZValueList() const
|
|
{
|
|
std::list<int> zlist;
|
|
for (std::list<std::pair<int, int> >::const_iterator position = m_positions.begin(); position != m_positions.end(); ++position) {
|
|
zlist.push_back(position->second);
|
|
}
|
|
zlist.sort();
|
|
zlist.unique();
|
|
zlist.reverse();
|
|
return zlist;
|
|
}
|
|
|
|
std::map<int, TileGenerator::BlockList> TileGenerator::getBlocksOnZ(int zPos, sqlite3_stmt *statement) const
|
|
{
|
|
map<int, BlockList> blocks;
|
|
|
|
sqlite3_int64 psMin;
|
|
sqlite3_int64 psMax;
|
|
|
|
psMin = (static_cast<sqlite3_int64>(zPos) * 16777216l) - 0x800000;
|
|
psMax = (static_cast<sqlite3_int64>(zPos) * 16777216l) + 0x7fffff;
|
|
sqlite3_bind_int64(statement, 1, psMin);
|
|
sqlite3_bind_int64(statement, 2, psMax);
|
|
|
|
int result = 0;
|
|
while (true) {
|
|
result = sqlite3_step(statement);
|
|
if(result == SQLITE_ROW) {
|
|
sqlite3_int64 blocknum = sqlite3_column_int64(statement, 0);
|
|
const unsigned char *data = reinterpret_cast<const unsigned char *>(sqlite3_column_blob(statement, 1));
|
|
int size = sqlite3_column_bytes(statement, 1);
|
|
BlockPos pos = decodeBlockPos(blocknum);
|
|
blocks[pos.x].push_back(Block(pos, unsigned_string(data, size)));
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
sqlite3_reset(statement);
|
|
|
|
return blocks;
|
|
}
|
|
|
|
void TileGenerator::writeImage(const std::string &output)
|
|
{
|
|
FILE *out;
|
|
out = fopen(output.c_str(), "wb");
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline int TileGenerator::getImageX(int val) const
|
|
{
|
|
return val + m_border;
|
|
}
|
|
|
|
inline int TileGenerator::getImageY(int val) const
|
|
{
|
|
return val + m_border;
|
|
}
|
|
|