287 lines
9.9 KiB
C++
287 lines
9.9 KiB
C++
/************************************************************************
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* Copyright (c) 2005-2007 tok@openlinux.org.uk *
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* *
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* This file contains code derived from information copyrighted by *
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* DMA Design. It may not be used in a commercial product. *
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* *
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* See license.txt for details. *
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* *
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* This notice may not be removed or altered. *
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************************************************************************/
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#include <iostream>
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#include <cassert>
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#include <sstream>
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#include "opengta.h"
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#include "navdata.h"
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#include "log.h"
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#include "m_exceptions.h"
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#include "datahelper.h"
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/* see http://members.aol.com/form1/fixed.htm for fixed point floats:
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* int_var = (long) fixed_var >> 8; // for 8 bits after point
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*/
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namespace OpenGTA {
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Map::Map(const std::string& filename) {
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nav = 0;
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fd = PHYSFS_openRead(filename.c_str());
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if (fd == NULL) {
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std::string f2(filename);
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transform(f2.begin(), f2.end(), f2.begin(), tolower);
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fd = PHYSFS_openRead(f2.c_str());
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}
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if (!fd) {
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//throw std::string("FileNotFound: ") + filename;
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std::ostringstream o;
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o << filename << " with error: " << SDL_GetError();
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throw E_FILENOTFOUND(o.str());
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}
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size_t level_as_num = Helper::mapFileName2Number(filename);
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loadHeader();
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loadBase();
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loadColumn();
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loadBlock();
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loadObjects();
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loadRoutes();
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loadLocations();
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loadNavData(level_as_num);
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//dump();
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}
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Map::~Map() {
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if (column) delete [] column;
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if (block) delete [] block;
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if (objects) delete [] objects;
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if (nav) delete nav;
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LocationMap::iterator i = locations.begin();
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while (i != locations.end()) {
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delete i->second;
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++i;
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}
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locations.clear();
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if (fd)
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PHYSFS_close(fd);
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}
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int Map::loadHeader() {
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PHYSFS_uint32 vc;
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PHYSFS_readULE32(fd, &vc);
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//INFO << "Map version code: " << vc << std::endl;
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PHYSFS_uint8 sn;
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PHYSFS_read(fd, static_cast<void*>(&styleNumber), 1, 1);
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//INFO << "Style number: " << int(styleNumber) << std::endl;
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PHYSFS_read(fd, static_cast<void*>(&sn), 1, 1);
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//INFO << "Sample number: " << int(sn) << std::endl;
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PHYSFS_uint16 reserved;
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PHYSFS_readULE16(fd, &reserved);
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PHYSFS_readULE32(fd, &routeSize);
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PHYSFS_readULE32(fd, &objectPosSize);
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PHYSFS_readULE32(fd, &columnSize);
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PHYSFS_readULE32(fd, &blockSize);
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PHYSFS_readULE32(fd, &navDataSize);
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/*
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INFO << "Route size: " << routeSize << std::endl;
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INFO << "Object size: " << objectPosSize << std::endl;
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INFO << "Column size: " << columnSize << std::endl;
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INFO << "Block size: " << blockSize << " (" <<
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blockSize / sizeof(BlockInfo) << " blocks " << blockSize % sizeof(BlockInfo)
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<< " overcount)" << std::endl;
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INFO << "Navdata size: " << navDataSize << std::endl;
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*/
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column = new PHYSFS_uint16[columnSize/2];
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block = new BlockInfo[blockSize / sizeof(BlockInfo) ];
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objects = new ObjectPosition[objectPosSize / sizeof(ObjectPosition)];
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return 0;
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}
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int Map::loadBase() {
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PHYSFS_seek(fd, static_cast<PHYSFS_uint64>(_topHeaderSize));
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for (int y = 0; y < GTA_MAP_MAXDIMENSION; y++) {
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for(int x = 0; x < GTA_MAP_MAXDIMENSION; x++) {
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PHYSFS_readULE32(fd, &base[x][y]);
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//std::cout << x << "," << y << " : " << base[x][y] << std::endl;
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}
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}
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return 0;
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}
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int Map::loadColumn() {
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if (!PHYSFS_seek(fd, _baseSize + _topHeaderSize)) {
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//throw std::string("IO Error while seeking in mapfile");
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throw E_IOERROR(PHYSFS_getLastError());
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}
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//PHYSFS_uint16 v;
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for (unsigned int i = 0; i < columnSize/2; i++) {
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PHYSFS_readULE16(fd, &column[i]);
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//std::cout << i << ": " << v << std::endl;
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}
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return 0;
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}
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int Map::loadBlock() {
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PHYSFS_seek(fd, _baseSize + columnSize + _topHeaderSize);
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int i, max;
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max = blockSize / sizeof(BlockInfo);
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//uint8_t tmp;
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for (i = 0; i < max; i++) {
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PHYSFS_readULE16(fd, &block[i].typeMap);
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PHYSFS_read(fd, static_cast<void*>(&block[i].typeMapExt), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&block[i].left), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&block[i].right), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&block[i].top), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&block[i].bottom), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&block[i].lid), 1, 1);
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//block[i].animMode = 0;
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}
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return 0;
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}
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void Map::loadObjects() {
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PHYSFS_seek(fd, _baseSize + columnSize + _topHeaderSize + blockSize);
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int c = objectPosSize / sizeof(ObjectPosition);
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numObjects = c;
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assert(objectPosSize % sizeof(ObjectPosition) == 0);
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for (int i=0; i < c; i++) {
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PHYSFS_readULE16(fd, &objects[i].x);
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PHYSFS_readULE16(fd, &objects[i].y);
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PHYSFS_readULE16(fd, &objects[i].z);
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PHYSFS_read(fd, static_cast<void*>(&objects[i].type), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&objects[i].remap), 1, 1);
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PHYSFS_readULE16(fd, &objects[i].rotation);
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PHYSFS_readULE16(fd, &objects[i].pitch);
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PHYSFS_readULE16(fd, &objects[i].roll);
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// shift every coord? or just if any > 255
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/*
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objects[i].x = objects[i].x >> 6;
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objects[i].y = objects[i].y >> 6;
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objects[i].z = objects[i].z >> 6;*/
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/*
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std::cout << objects[i].x << "," << objects[i].y << "," << objects[i].z << " " << int(objects[i].type)
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<< " remap " << int(objects[i].remap)
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<< " rot " << objects[i].rotation << " " << objects[i].pitch << " " << objects[i].roll << std::endl;
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*/
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}
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}
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void Map::loadRoutes() {
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//FIXME: missing
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PHYSFS_uint32 _si = _baseSize + columnSize + _topHeaderSize +
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objectPosSize + blockSize;
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PHYSFS_seek(fd, _si);
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PHYSFS_uint32 _counted = 0;
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while (_counted < routeSize) {
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PHYSFS_uint8 num_vertices = 0;
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PHYSFS_uint8 route_type = 0;
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PHYSFS_read(fd, static_cast<void*>(&num_vertices), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&route_type), 1, 1);
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//INFO << "route-t " << int(route_type) << " with " << int(num_vertices) << " vertices" << std::endl;
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PHYSFS_uint8 x, y, z;
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for (int i=0; i < num_vertices; i++) {
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PHYSFS_read(fd, static_cast<void*>(&x), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&y), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&z), 1, 1);
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//INFO << int(x) << "," << int(y) << "," << int(z) << std::endl;
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_counted += 3;
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}
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_counted += 2;
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}
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}
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Map::Location::Location() : x(0), y(0), z(0) {}
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Map::Location::Location(const Map::Location & other) : x(other.x), y(other.y), z(other.z) {}
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void Map::loadLocations() {
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//FIXME: missing
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PHYSFS_uint32 _si = _baseSize + columnSize + _topHeaderSize +
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objectPosSize + routeSize + blockSize;
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PHYSFS_seek(fd, _si);
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// police
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// hospital
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// unused
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// unused
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// fire
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// unused
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Location loc;
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PHYSFS_uint8 loc_type = 0;
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for (int i = 0; i < 36; ++i) {
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PHYSFS_read(fd, static_cast<void*>(&loc.x), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&loc.y), 1, 1);
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PHYSFS_read(fd, static_cast<void*>(&loc.z), 1, 1);
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if ((loc.x == 0) && (loc.y == 0) && (loc.z == 0))
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continue;
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if (i < 6)
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loc_type = 0;
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else if ((i >= 6) && (i < 12))
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loc_type = 1;
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else if ((i >= 24) && (i < 30))
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loc_type = 2;
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else
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continue;
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//std::cout << int(loc_type) <<": " << int(loc.x) << ", " << int(loc.y) << ", " << int(loc.z) << std::endl;
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locations.insert(std::pair<PHYSFS_uint8, Location*>(loc_type, new Location(loc)));
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}
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}
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void Map::loadNavData(const size_t levelNum) {
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PHYSFS_uint32 _si = _baseSize + columnSize + _topHeaderSize +
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objectPosSize + routeSize + 3 * 6 * 6 + blockSize;
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PHYSFS_seek(fd, _si);
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nav = new NavData(navDataSize, fd, levelNum);
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assert(nav);
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}
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PHYSFS_uint16 Map::getNumBlocksAt(PHYSFS_uint8 x, PHYSFS_uint8 y) {
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return column[base[x][y] / 2];
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}
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PHYSFS_uint16 Map::getNumBlocksAtNew(PHYSFS_uint8 x, PHYSFS_uint8 y) {
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return 6 - column[base[x][y] / 2];
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}
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Map::BlockInfo* Map::getBlockAt(PHYSFS_uint8 x, PHYSFS_uint8 y, PHYSFS_uint8 z) {
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PHYSFS_uint16 v = column[base[x][y] / 2 + z];
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return &block[v];
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}
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Map::BlockInfo* Map::getBlockAtNew(PHYSFS_uint8 x, PHYSFS_uint8 y, PHYSFS_uint8 z) {
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PHYSFS_uint16 idx0 = 6 - column[base[x][y] / 2];
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if (idx0 > z)
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idx0 -= z;
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else
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assert(idx0 > z);
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idx0 = column[base[x][y] / 2 + idx0];
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return &block[idx0];
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}
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PHYSFS_uint16 Map::getInternalIdAt(PHYSFS_uint8 x, PHYSFS_uint8 y, PHYSFS_uint8 z) {
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return column[base[x][y] / 2 + z];
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}
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Map::BlockInfo* Map::getBlockByInternalId(PHYSFS_uint16 id) {
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return &block[id];
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}
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void Map::dump() {
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for (int y = 0; y < GTA_MAP_MAXDIMENSION; y++) {
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for(int x = 0; x < GTA_MAP_MAXDIMENSION; x++) {
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std::cout << x << "," << y << ":" << column[base[x][y] / 2] << "||";
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PHYSFS_uint16 ts = column[base[x][y] / 2];
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std::cout << "(";
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for(int t=1; t <= (6 - ts); t++) {
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BlockInfo *info = &block[column[base[x][y] / 2 + t]];
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std::cout << int(info->slopeType()) << ", ";
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}
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std::cout << ")" << std::endl;
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}
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}
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}
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}
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#if 0
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#include <stdlib.h>
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void do_exit() {
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PHYSFS_deinit();
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}
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int main(int argc, char* argv[]) {
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PHYSFS_init(argv[0]);
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atexit(do_exit);
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std::cout << "Physfs-Base: " << PHYSFS_getBaseDir() << std::endl;
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PHYSFS_addToSearchPath(PHYSFS_getBaseDir(), 1);
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std::cout << "Has: " << argv[1] << " : " << PHYSFS_exists(argv[1]) << std::endl;
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OpenGTA::Map a(argv[1]);
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a.dump();
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return 0;
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}
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#endif
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