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unitsync.cpp
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2377 lines (1857 loc) · 50.6 KB
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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "unitsync.h"
#include "unitsync_api.h"
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <set>
// shared with spring:
#include "lib/lua/include/LuaInclude.h"
#include "Game/GameVersion.h"
#include "Lua/LuaParser.h"
#include "Map/MapParser.h"
#include "Map/ReadMap.h"
#include "Map/SMF/SMFMapFile.h"
#include "Sim/Misc/SideParser.h"
#include "ExternalAI/Interface/aidefines.h"
#include "ExternalAI/LuaAIImplHandler.h"
#include "System/Config/ConfigHandler.h"
#include "System/FileSystem/Archives/IArchive.h"
#include "System/FileSystem/ArchiveLoader.h"
#include "System/FileSystem/ArchiveScanner.h"
#include "System/FileSystem/DataDirsAccess.h"
#include "System/FileSystem/DataDirLocater.h"
#include "System/FileSystem/FileHandler.h"
#include "System/FileSystem/VFSHandler.h"
#include "System/FileSystem/FileSystem.h"
#include "System/FileSystem/FileSystemInitializer.h"
#include "System/Log/ILog.h"
#include "System/Log/Level.h"
#include "System/Log/DefaultFilter.h"
#include "System/Misc/SpringTime.h"
#include "System/Platform/Misc.h" //!!
#include "System/Threading/ThreadPool.h"
#include "System/Exceptions.h"
#include "System/Info.h"
#include "System/LogOutput.h"
#include "System/Option.h"
#include "System/SafeCStrings.h"
#include "System/SafeUtil.h"
#include "System/StringUtil.h"
#include "System/ExportDefines.h"
#ifdef WIN32
#include <windows.h>
#endif
//////////////////////////
//////////////////////////
#define LOG_SECTION_UNITSYNC "unitsync"
LOG_REGISTER_SECTION_GLOBAL(LOG_SECTION_UNITSYNC)
// use the specific section for all LOG*() calls in this source file
#ifdef LOG_SECTION_CURRENT
#undef LOG_SECTION_CURRENT
#endif
#define LOG_SECTION_CURRENT LOG_SECTION_UNITSYNC
// avoid including GlobalConstants.h
#define SQUARE_SIZE 8
#ifdef WIN32
BOOL CALLING_CONV DllMain(HINSTANCE hInst, DWORD dwReason, LPVOID lpReserved)
{
return TRUE;
}
#endif
CONFIG(bool, UnitsyncAutoUnLoadMaps).defaultValue(true).description("Automaticly load and unload the required map for some unitsync functions.");
CONFIG(bool, UnitsyncAutoUnLoadMapsIsSupported).defaultValue(true).readOnly(true).description("Check for support of UnitsyncAutoUnLoadMaps");
//////////////////////////
//////////////////////////
// function argument checking
static bool CheckInit(bool throwException = true)
{
if (archiveScanner == nullptr || vfsHandler == nullptr) {
if (throwException)
throw std::logic_error("UnitSync not initialized. Call Init first.");
return false;
}
return true;
}
static void _CheckNull(void* condition, const char* name)
{
if (!condition)
throw std::invalid_argument("Argument " + std::string(name) + " may not be null.");
}
static void _CheckNullOrEmpty(const char* condition, const char* name)
{
if (!condition || *condition == 0)
throw std::invalid_argument("Argument " + std::string(name) + " may not be null or empty.");
}
static void _CheckBounds(int index, int size, const char* name)
{
if (index < 0 || index >= size)
throw std::out_of_range("Argument " + std::string(name) + " out of bounds. Index: " +
IntToString(index) + " Array size: " + IntToString(size));
}
static void _CheckPositive(int value, const char* name)
{
if (value <= 0)
throw std::out_of_range("Argument " + std::string(name) + " must be positive.");
}
#define CheckNull(arg) _CheckNull((arg), #arg)
#define CheckNullOrEmpty(arg) _CheckNullOrEmpty((arg), #arg)
#define CheckBounds(arg, size) _CheckBounds((arg), (size), #arg)
#define CheckPositive(arg) _CheckPositive((arg), #arg);
struct GameDataUnitDef {
std::string name;
std::string fullName;
};
/**
* @brief map related meta-data
*/
struct InternalMapInfo
{
std::string description; ///< Description (max 255 chars)
std::string author; ///< Creator of the map (max 200 chars)
int tidalStrength; ///< Tidal strength
int gravity; ///< Gravity
float maxMetal; ///< Metal scale factor
int extractorRadius; ///< Extractor radius (of metal extractors)
int minWind; ///< Minimum wind speed
int maxWind; ///< Maximum wind speed
int width; ///< Width of the map
int height; ///< Height of the map
std::vector<float> xPos; ///< Start positions X coordinates defined by the map
std::vector<float> zPos; ///< Start positions Z coordinates defined by the map
};
static std::vector<InfoItem> infoItems;
static std::set<std::string> infoSet;
static std::vector<GameDataUnitDef> unitDefs;
static std::map<int, InternalMapInfo> mapInfos;
static std::map<int, IArchive*> openArchives;
static std::map<int, CFileHandler*> openFiles;
static std::vector<std::string> curFindFiles;
// Updated on every call to GetMapCount
static std::vector<std::string> mapNames;
static std::vector<std::string> mapArchives;
static std::vector<Option> options;
static std::set<std::string> optionsSet;
static CLuaAIImplHandler::InfoItemVector luaAIInfos;
// Updated on every call to GetSkirmishAICount
static std::vector<std::string> skirmishAIDataDirs;
static std::vector<std::string> modValidMaps;
static std::string lastError;
static int nextArchive = 0;
static int nextFile = 0;
static bool autoUnLoadmap = true;
void LoadGameDataUnitDefs() {
unitDefs.clear();
LuaParser luaParser("gamedata/defs.lua", SPRING_VFS_MOD_BASE, SPRING_VFS_ZIP);
if (!luaParser.Execute()) {
throw content_error("luaParser.Execute() failed: " + luaParser.GetErrorLog());
}
LuaTable rootTable = luaParser.GetRoot().SubTable("UnitDefs");
if (!rootTable.IsValid()) {
throw content_error("root unitdef table invalid");
}
std::vector<std::string> unitDefNames;
rootTable.GetKeys(unitDefNames);
for (unsigned int i = 0; i < unitDefNames.size(); ++i) {
const std::string& udName = unitDefNames[i];
const LuaTable udTable = rootTable.SubTable(udName);
const GameDataUnitDef ud = {udName, udTable.GetString("name", udName)};
unitDefs.push_back(ud);
}
}
//////////////////////////
//////////////////////////
// error handling
static void _SetLastError(const std::string& err)
{
LOG_L(L_ERROR, "%s", err.c_str());
lastError = err;
}
#define SetLastError(str) \
_SetLastError(std::string(__func__) + ": " + (str))
#define UNITSYNC_CATCH_BLOCKS \
catch (const user_error& ex) { \
SetLastError(ex.what()); \
} \
catch (const std::exception& ex) { \
SetLastError(ex.what()); \
} \
catch (...) { \
SetLastError("an unknown exception was thrown"); \
}
EXPORT(const char*) GetNextError()
{
try {
// queue is only 1 element long now for simplicity :-)
if (lastError.empty())
return nullptr;
const std::string err = std::move(lastError);
return GetStr(err);
}
UNITSYNC_CATCH_BLOCKS;
// Oops, can't even return errors anymore...
// Returning anything but NULL might cause infinite loop in lobby client...
//return __func__ ": fatal error: an exception was thrown in GetNextError";
return nullptr;
}
//////////////////////////
//////////////////////////
static std::string GetMapFile(const std::string& mapName)
{
const std::string mapFile = archiveScanner->MapNameToMapFile(mapName);
// translation finished fine
if (mapFile != mapName)
return mapFile;
throw std::invalid_argument("Could not find a map named \"" + mapName + "\"");
return "";
}
class ScopedMapLoader {
public:
/**
* @brief Helper class for loading a map archive temporarily
* @param mapName the name of the to be loaded map
* @param mapFile checks if this file already exists in the current VFS,
* if so skip reloading
*/
ScopedMapLoader(const std::string& mapName, const std::string& mapFile): oldHandler(vfsHandler)
{
if (!autoUnLoadmap)
return;
CFileHandler f(mapFile);
if (f.FileExists())
return;
CVFSHandler::SetGlobalInstance(new CVFSHandler("ScopedMapLoaderVFS"));
vfsHandler->AddArchiveWithDeps(mapName, false);
}
~ScopedMapLoader()
{
if (!autoUnLoadmap)
return;
if (vfsHandler != oldHandler) {
CVFSHandler::FreeGlobalInstance();
CVFSHandler::SetGlobalInstance(oldHandler);
}
}
private:
CVFSHandler* oldHandler;
};
EXPORT(const char*) GetSpringVersion()
{
return GetStr(SpringVersion::GetSync());
}
EXPORT(const char*) GetSpringVersionPatchset()
{
return GetStr(SpringVersion::GetPatchSet());
}
EXPORT(bool) IsSpringReleaseVersion()
{
return SpringVersion::IsRelease();
}
class UnitsyncConfigObserver
{
public:
UnitsyncConfigObserver() {
configHandler->NotifyOnChange(this, {"UnitsyncAutoUnLoadMaps"});
}
~UnitsyncConfigObserver() {
configHandler->RemoveObserver(this);
}
void ConfigNotify(const std::string& key, const std::string& value) {
autoUnLoadmap = configHandler->GetBool("UnitsyncAutoUnLoadMaps");
}
};
static void internal_deleteMapInfos();
static UnitsyncConfigObserver* unitsyncConfigObserver = nullptr;
static void _Cleanup()
{
spring::SafeDelete(unitsyncConfigObserver);
internal_deleteMapInfos();
lpClose();
LOG("deinitialized");
}
static void CheckForImportantFilesInVFS()
{
const std::array<std::string, 4> filesToCheck = {{
"base/springcontent.sdz",
"base/maphelper.sdz",
"base/spring/bitmaps.sdz",
"base/cursors.sdz",
}};
for (const std::string& file: filesToCheck) {
if (!CFileHandler::FileExists(file, SPRING_VFS_RAW))
throw content_error("Required base file '" + file + "' does not exist.");
}
}
EXPORT(int) Init(bool isServer, int id)
{
static int numCalls = 0;
int ret = 0;
try {
if (numCalls == 0) {
// only ever do this once
spring_clock::PushTickRate(false);
spring_time::setstarttime(spring_time::gettime(true));
}
// Cleanup data from previous Init() calls
_Cleanup();
CLogOutput::LogSystemInfo();
#ifndef DEBUG
log_filter_section_setMinLevel(LOG_LEVEL_INFO, LOG_SECTION_UNITSYNC);
#endif
// reinitialize filesystem to detect new files
if (CheckInit(false))
FileSystemInitializer::Cleanup();
dataDirLocater.UpdateIsolationModeByEnvVar();
const std::string& configFile = (configHandler != nullptr)? configHandler->GetConfigFile(): "";
const std::string& springFull = SpringVersion::GetFull();
ThreadPool::SetThreadCount(ThreadPool::GetMaxThreads());
FileSystemInitializer::PreInitializeConfigHandler(configFile);
FileSystemInitializer::InitializeLogOutput("unitsync.log");
FileSystemInitializer::Initialize();
// check if VFS is okay (throws if not)
CheckForImportantFilesInVFS();
ThreadPool::SetThreadCount(0);
configHandler->Set("UnitsyncAutoUnLoadMaps", true); //reset on each load (backwards compatibility)
unitsyncConfigObserver = new UnitsyncConfigObserver();
ret = 1;
LOG("[UnitSync::%s] initialized %s (call %d)", __func__, springFull.c_str(), numCalls);
}
UNITSYNC_CATCH_BLOCKS;
numCalls++;
return ret;
}
EXPORT(void) UnInit()
{
try {
_Cleanup();
FileSystemInitializer::Cleanup();
ConfigHandler::Deallocate();
DataDirLocater::FreeInstance();
}
UNITSYNC_CATCH_BLOCKS;
}
EXPORT(const char*) GetWritableDataDirectory()
{
try {
CheckInit();
return GetStr(dataDirLocater.GetWriteDirPath());
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(int) GetDataDirectoryCount()
{
int count = -1;
try {
CheckInit();
count = (int) dataDirLocater.GetDataDirs().size();
}
UNITSYNC_CATCH_BLOCKS;
return count;
}
EXPORT(const char*) GetDataDirectory(int index)
{
try {
CheckInit();
const std::vector<std::string> datadirs = dataDirLocater.GetDataDirPaths();
if (index > datadirs.size())
return nullptr;
return GetStr(datadirs[index]);
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(int) ProcessUnits()
{
try {
CheckInit();
LOG_L(L_DEBUG, "[%s] loaded=%d", __func__, unitDefs.empty());
LoadGameDataUnitDefs();
}
UNITSYNC_CATCH_BLOCKS;
return 0;
}
EXPORT(int) GetUnitCount()
{
int count = -1;
try {
CheckInit();
LOG_L(L_DEBUG, "[%s]", __func__);
count = unitDefs.size();
}
UNITSYNC_CATCH_BLOCKS;
return count;
}
EXPORT(const char*) GetUnitName(int unitDefID)
{
try {
CheckInit();
LOG_L(L_DEBUG, "[%s(UnitDefID=%d)]", __func__, unitDefID);
return GetStr(unitDefs[unitDefID].name);
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(const char*) GetFullUnitName(int unitDefID)
{
try {
CheckInit();
LOG_L(L_DEBUG, "[%s(UnitDefID=%d)]", __func__, unitDefID);
return GetStr(unitDefs[unitDefID].fullName);
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
//////////////////////////
//////////////////////////
EXPORT(void) AddArchive(const char* archiveName)
{
try {
CheckInit();
CheckNullOrEmpty(archiveName);
LOG_L(L_DEBUG, "adding archive: %s", archiveName);
vfsHandler->AddArchive(archiveScanner->NameFromArchive(archiveName), false);
}
UNITSYNC_CATCH_BLOCKS;
}
EXPORT(void) AddAllArchives(const char* rootArchiveName)
{
try {
CheckInit();
CheckNullOrEmpty(rootArchiveName);
vfsHandler->AddArchiveWithDeps(rootArchiveName, false);
}
UNITSYNC_CATCH_BLOCKS;
}
EXPORT(void) RemoveAllArchives()
{
try {
CheckInit();
LOG_L(L_DEBUG, "removing all archives");
CVFSHandler::FreeGlobalInstance();
CVFSHandler::SetGlobalInstance(new CVFSHandler("UnitSyncVFS"));
}
UNITSYNC_CATCH_BLOCKS;
}
EXPORT(unsigned int) GetArchiveChecksum(const char* archiveName)
{
try {
CheckInit();
CheckNullOrEmpty(archiveName);
LOG_L(L_DEBUG, "archive checksum: %s", archiveName);
return archiveScanner->GetArchiveSingleChecksum(archiveName);
}
UNITSYNC_CATCH_BLOCKS;
return 0;
}
EXPORT(const char*) GetArchivePath(const char* archiveName)
{
try {
CheckInit();
CheckNullOrEmpty(archiveName);
LOG_L(L_DEBUG, "archive path: %s", archiveName);
return GetStr(archiveScanner->GetArchivePath(archiveName));
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
static bool internal_GetMapInfo(const char* mapName, InternalMapInfo* outInfo)
{
CheckInit();
CheckNullOrEmpty(mapName);
CheckNull(outInfo);
LOG_L(L_DEBUG, "get map info: %s", mapName);
const std::string mapFile = GetMapFile(mapName);
ScopedMapLoader mapLoader(mapName, mapFile);
std::string err;
MapParser mapParser(mapFile);
if (!mapParser.IsValid())
err = mapParser.GetErrorLog();
const LuaTable mapTable = mapParser.GetRoot();
// Retrieve the map header as well
if (err.empty()) {
const std::string extension = FileSystem::GetExtension(mapFile);
if (extension == "smf") {
try {
const CSMFMapFile file(mapFile);
const SMFHeader& mh = file.GetHeader();
outInfo->width = mh.mapx * SQUARE_SIZE;
outInfo->height = mh.mapy * SQUARE_SIZE;
}
catch (content_error&) {
outInfo->width = -1;
}
} else {
const int w = mapTable.GetInt("gameAreaW", 0);
const int h = mapTable.GetInt("gameAreaW", 1);
outInfo->width = w * SQUARE_SIZE;
outInfo->height = h * SQUARE_SIZE;
}
// Make sure we found stuff in both the smd and the header
if (outInfo->width <= 0) {
err = "Bad map width";
} else if (outInfo->height <= 0) {
err = "Bad map height";
}
}
// If the map did not parse, say so now
if (!err.empty()) {
SetLastError(err);
outInfo->description = err;
return false;
}
outInfo->description = mapTable.GetString("description", "");
outInfo->tidalStrength = mapTable.GetInt("tidalstrength", 0);
outInfo->gravity = mapTable.GetInt("gravity", 0);
outInfo->extractorRadius = mapTable.GetInt("extractorradius", 0);
outInfo->maxMetal = mapTable.GetFloat("maxmetal", 0.0f);
outInfo->author = mapTable.GetString("author", "");
const LuaTable atmoTable = mapTable.SubTable("atmosphere");
outInfo->minWind = atmoTable.GetInt("minWind", 0);
outInfo->maxWind = atmoTable.GetInt("maxWind", 0);
// Find as many start positions as there are defined by the map
for (size_t curTeam = 0; true; ++curTeam) {
float3 pos(-1.0f, -1.0f, -1.0f); // defaults
if (!mapParser.GetStartPos(curTeam, pos)) {
break; // position could not be parsed
}
outInfo->xPos.push_back(pos.x);
outInfo->zPos.push_back(pos.z);
LOG_L(L_DEBUG, "startpos: %.0f, %.0f", pos.x, pos.z);
}
return true;
}
EXPORT(int) GetMapCount()
{
int count = -1;
try {
CheckInit();
const std::vector<std::string> scannedNames = archiveScanner->GetMaps();
mapNames.clear();
mapNames.insert(mapNames.begin(), scannedNames.begin(), scannedNames.end());
sort(mapNames.begin(), mapNames.end());
count = mapNames.size();
}
UNITSYNC_CATCH_BLOCKS;
return count;
}
EXPORT(const char*) GetMapName(int index)
{
try {
CheckInit();
CheckBounds(index, mapNames.size());
return GetStr(mapNames[index]);
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(const char*) GetMapFileName(int index)
{
try {
CheckInit();
CheckBounds(index, mapNames.size());
return GetStr(archiveScanner->MapNameToMapFile(mapNames[index]));
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
static InternalMapInfo* internal_getMapInfo(int index)
{
if (index >= mapNames.size()) {
SetLastError("invalid map index");
} else {
if (mapInfos.find(index) != mapInfos.end())
return &(mapInfos[index]);
try {
InternalMapInfo imi;
if (internal_GetMapInfo(mapNames[index].c_str(), &imi)) {
mapInfos[index] = imi;
return &(mapInfos[index]);
}
}
UNITSYNC_CATCH_BLOCKS;
}
return nullptr;
}
static void internal_deleteMapInfos()
{
while (!mapInfos.empty()) {
mapInfos.erase(mapInfos.begin());
}
}
EXPORT(float) GetMapMinHeight(const char* mapName) {
try {
CheckInit();
const std::string mapFile = GetMapFile(mapName);
ScopedMapLoader loader(mapName, mapFile);
CSMFMapFile file(mapFile);
MapParser parser(mapFile);
const SMFHeader& header = file.GetHeader();
const LuaTable rootTable = parser.GetRoot();
const LuaTable smfTable = rootTable.SubTable("smf");
// override the header's minHeight value
if (smfTable.KeyExists("minHeight"))
return (smfTable.GetFloat("minHeight", 0.0f));
return (header.minHeight);
}
UNITSYNC_CATCH_BLOCKS;
return 0.0f;
}
EXPORT(float) GetMapMaxHeight(const char* mapName) {
try {
CheckInit();
const std::string mapFile = GetMapFile(mapName);
ScopedMapLoader loader(mapName, mapFile);
CSMFMapFile file(mapFile);
MapParser parser(mapFile);
const SMFHeader& header = file.GetHeader();
const LuaTable rootTable = parser.GetRoot();
const LuaTable smfTable = rootTable.SubTable("smf");
if (smfTable.KeyExists("maxHeight")) {
// override the header's maxHeight value
return (smfTable.GetFloat("maxHeight", 0.0f));
} else {
return (header.maxHeight);
}
}
UNITSYNC_CATCH_BLOCKS;
return 0.0f;
}
EXPORT(int) GetMapArchiveCount(const char* mapName)
{
int count = -1;
try {
CheckInit();
CheckNullOrEmpty(mapName);
mapArchives = archiveScanner->GetAllArchivesUsedBy(mapName);
count = mapArchives.size();
}
UNITSYNC_CATCH_BLOCKS;
return count;
}
EXPORT(const char*) GetMapArchiveName(int index)
{
try {
CheckInit();
CheckBounds(index, mapArchives.size());
return GetStr(mapArchives[index]);
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(unsigned int) GetMapChecksum(int index)
{
try {
CheckInit();
CheckBounds(index, mapNames.size());
return archiveScanner->GetArchiveCompleteChecksum(mapNames[index]);
}
UNITSYNC_CATCH_BLOCKS;
return 0;
}
EXPORT(unsigned int) GetMapChecksumFromName(const char* mapName)
{
try {
CheckInit();
return archiveScanner->GetArchiveCompleteChecksum(mapName);
}
UNITSYNC_CATCH_BLOCKS;
return 0;
}
#define RM 0x0000F800
#define GM 0x000007E0
#define BM 0x0000001F
#define RED_RGB565(x) ((x&RM)>>11)
#define GREEN_RGB565(x) ((x&GM)>>5)
#define BLUE_RGB565(x) (x&BM)
#define PACKRGB(r, g, b) (((r<<11)&RM) | ((g << 5)&GM) | (b&BM) )
// Used to return the image
static unsigned short imgbuf[1024*1024];
static unsigned short* GetMinimapSM3(std::string mapFileName, int mipLevel)
{
throw content_error("SM3 maps are no longer supported as of Spring 95.0");
return nullptr;
/*
MapParser mapParser(mapFileName);
const std::string minimapFile = mapParser.GetRoot().GetString("minimap", "");
if (minimapFile.empty()) {
memset(imgbuf,0,sizeof(imgbuf));
return imgbuf;
}
CBitmap bm;
if (!bm.Load(minimapFile)) {
memset(imgbuf,0,sizeof(imgbuf));
return imgbuf;
}
if (1024 >> mipLevel != bm.xsize || 1024 >> mipLevel != bm.ysize)
bm = bm.CreateRescaled(1024 >> mipLevel, 1024 >> mipLevel);
unsigned short* dst = (unsigned short*)imgbuf;
unsigned char* src = bm.mem;
for (int y=0; y < bm.ysize; y++) {
for (int x=0; x < bm.xsize; x++) {
*dst = 0;
*dst |= ((src[0]>>3) << 11) & RM;
*dst |= ((src[1]>>2) << 5) & GM;
*dst |= (src[2]>>3) & BM;
dst ++;
src += 4;
}
}
return imgbuf;
*/
}
static unsigned short* GetMinimapSMF(std::string mapFileName, int mipLevel)
{
CSMFMapFile in(mapFileName);
std::vector<uint8_t> buffer;
const int mipsize = in.ReadMinimap(buffer, mipLevel);
// Do stuff
unsigned short* colors = (unsigned short*)((void*)imgbuf);
unsigned char* temp = &buffer[0];
const int numblocks = buffer.size() / 8;
for (int i = 0; i < numblocks; i++) {
unsigned short color0 = (*(unsigned short*)&temp[0]);
unsigned short color1 = (*(unsigned short*)&temp[2]);
unsigned int bits = (*(unsigned int*)&temp[4]);
for ( int a = 0; a < 4; a++ ) {
for ( int b = 0; b < 4; b++ ) {
int x = 4*(i % ((mipsize+3)/4))+b;
int y = 4*(i / ((mipsize+3)/4))+a;
unsigned char code = bits & 0x3;
bits >>= 2;
if ( color0 > color1 ) {
if ( code == 0 ) {
colors[y*mipsize+x] = color0;
}
else if ( code == 1 ) {
colors[y*mipsize+x] = color1;
}
else if ( code == 2 ) {
colors[y*mipsize+x] = PACKRGB((2*RED_RGB565(color0)+RED_RGB565(color1))/3, (2*GREEN_RGB565(color0)+GREEN_RGB565(color1))/3, (2*BLUE_RGB565(color0)+BLUE_RGB565(color1))/3);
}
else {
colors[y*mipsize+x] = PACKRGB((2*RED_RGB565(color1)+RED_RGB565(color0))/3, (2*GREEN_RGB565(color1)+GREEN_RGB565(color0))/3, (2*BLUE_RGB565(color1)+BLUE_RGB565(color0))/3);
}
}
else {
if ( code == 0 ) {
colors[y*mipsize+x] = color0;
}
else if ( code == 1 ) {
colors[y*mipsize+x] = color1;
}
else if ( code == 2 ) {
colors[y*mipsize+x] = PACKRGB((RED_RGB565(color0)+RED_RGB565(color1))/2, (GREEN_RGB565(color0)+GREEN_RGB565(color1))/2, (BLUE_RGB565(color0)+BLUE_RGB565(color1))/2);
}
else {
colors[y*mipsize+x] = 0;
}
}
}
}
temp += 8;
}
return colors;
}
EXPORT(unsigned short*) GetMinimap(const char* mapName, int mipLevel)
{
try {
CheckInit();
CheckNullOrEmpty(mapName);
if (mipLevel < 0 || mipLevel > 8)
throw std::out_of_range("Miplevel must be between 0 and 8 (inclusive) in GetMinimap.");
const std::string mapFile = GetMapFile(mapName);
ScopedMapLoader mapLoader(mapName, mapFile);
unsigned short* ret = nullptr;
const std::string extension = FileSystem::GetExtension(mapFile);
if (extension == "smf") {
ret = GetMinimapSMF(mapFile, mipLevel);
} else if (extension == "sm3") {
ret = GetMinimapSM3(mapFile, mipLevel);
}
return ret;
}
UNITSYNC_CATCH_BLOCKS;
return nullptr;
}
EXPORT(int) GetInfoMapSize(const char* mapName, const char* name, int* width, int* height)
{
try {
CheckInit();
CheckNullOrEmpty(mapName);
CheckNullOrEmpty(name);
CheckNull(width);
CheckNull(height);
const std::string mapFile = GetMapFile(mapName);
ScopedMapLoader mapLoader(mapName, mapFile);
CSMFMapFile file(mapFile);