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MapInfo.cpp
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MapInfo.cpp
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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "MapInfo.h"
#include "Sim/Misc/GlobalConstants.h"
#include "Rendering/GlobalRendering.h"
#include "Lua/LuaParser.h"
#include "System/Log/ILog.h"
#include "System/Exceptions.h"
#include "System/SpringMath.h"
#include "System/StringUtil.h"
#include "System/FileSystem/FileHandler.h"
#if !defined(HEADLESS) && !defined(NO_SOUND)
#include "System/Sound/OpenAL/EFX.h"
#include "System/Sound/OpenAL/EFXPresets.h"
#endif
#include <array>
#include <cassert>
// Before delete, the const is const_cast'ed away. There are
// no (other) situations where mapInfo may be modified, except
// LuaUnsyncedCtrl may change water
// LuaSyncedCtrl may change terrainTypes
const CMapInfo* mapInfo = nullptr;
static void FIND_MAP_TEXTURE(std::string* filePath, const std::string& defaultDir = "maps/")
{
if (filePath->empty())
return;
if (CFileHandler::FileExists(*filePath, SPRING_VFS_ZIP)) // no RawFS, cause it's also used for synced textures (typemap, metalmap, ...)
return;
*filePath = defaultDir + *filePath;
}
CMapInfo::CMapInfo(const std::string& mapFileName, const string& mapHumanName): mapInfoParser(mapFileName)
{
map.name = mapHumanName;
if (!mapInfoParser.IsValid())
throw content_error("[MapInfo] info-parser for map \"" + map.name + "\" (\"" + mapFileName + "\") invalid: \"" + mapInfoParser.GetErrorLog() + "\"");
LuaParser resParser("gamedata/resources.lua", SPRING_VFS_MOD_BASE, SPRING_VFS_ZIP);
LuaTable resTable;
if (!resParser.Execute())
LOG_L(L_ERROR, "[%s] error executing resource-parser: \"%s\"", __func__, resParser.GetErrorLog().c_str());
resTable = resParser.GetRoot();
resTableRoot = &resTable;
ReadGlobal();
ReadAtmosphere();
ReadGui();
ReadSplats();
ReadGrass();
ReadLight();
ReadWater();
ReadSMF();
ReadTerrainTypes();
ReadPFSConstants();
ReadSound();
//FIXME save all mapParser data in an array, so we can destroy the lua context (to save mem)?
}
CMapInfo::~CMapInfo()
{
#if !defined(HEADLESS) && !defined(NO_SOUND)
delete efxprops;
efxprops = nullptr;
#endif
}
void CMapInfo::ReadGlobal()
{
const LuaTable& topTable = mapInfoParser.GetRoot();
map.description = topTable.GetString("description", map.name);
map.author = topTable.GetString("author", "");
map.hardness = topTable.GetFloat("maphardness", 100.0f);
map.notDeformable = topTable.GetBool("notDeformable", false);
map.gravity = topTable.GetFloat("gravity", 130.0f);
map.gravity = std::max(0.001f, map.gravity);
map.gravity = -map.gravity / (GAME_SPEED * GAME_SPEED);
map.tidalStrength = topTable.GetFloat("tidalStrength", 0.0f);
map.maxMetal = topTable.GetFloat("maxMetal", 0.02f);
map.extractorRadius = topTable.GetFloat("extractorRadius", 500.0f);
map.voidAlphaMin = topTable.GetFloat("voidAlphaMin", 0.9f);
map.voidWater = topTable.GetBool("voidWater", false);
map.voidGround = topTable.GetBool("voidGround", false);
// clamps; global hardness can be either positive or negative but never zero
map.hardness = std::max(0.001f, std::abs(map.hardness)) * std::copysign(1.0f, map.hardness);
map.tidalStrength = std::max(0.000f, map.tidalStrength);
map.maxMetal = std::max(0.000f, map.maxMetal);
map.extractorRadius = std::max(0.000f, map.extractorRadius);
}
void CMapInfo::ReadGui()
{
// GUI
gui.autoShowMetal = mapInfoParser.GetRoot().GetBool("autoShowMetal", true);
}
void CMapInfo::ReadAtmosphere()
{
// MAP\ATMOSPHERE
const LuaTable& atmoTable = mapInfoParser.GetRoot().SubTable("atmosphere");
atmosphere_t& atmo = atmosphere;
atmo.minWind = atmoTable.GetFloat("minWind", 5.0f);
atmo.maxWind = atmoTable.GetFloat("maxWind", 25.0f);
atmo.fogStart = atmoTable.GetFloat("fogStart", 0.1f);
atmo.fogEnd = atmoTable.GetFloat("fogEnd", 1.0f);
atmo.fogColor = atmoTable.GetFloat3("fogColor", float3(0.7f, 0.7f, 0.8f));
atmo.skyBox = atmoTable.GetString("skyBox", "");
atmo.skyColor = atmoTable.GetFloat3("skyColor", float3(0.1f, 0.15f, 0.7f));
atmo.skyDir = atmoTable.GetFloat3("skyDir", -FwdVector);
atmo.skyDir.ANormalize();
atmo.sunColor = atmoTable.GetFloat3("sunColor", float3(1.0f, 1.0f, 1.0f));
atmo.cloudColor = atmoTable.GetFloat3("cloudColor", float3(1.0f, 1.0f, 1.0f));
atmo.fluidDensity = atmoTable.GetFloat("fluidDensity", 1.2f * 0.25f);
atmo.cloudDensity = atmoTable.GetFloat("cloudDensity", 0.5f);
// clamps
atmo.cloudDensity = std::max(0.0f, atmo.cloudDensity);
atmo.maxWind = std::max(0.0f, atmo.maxWind);
atmo.minWind = std::max(0.0f, atmo.minWind);
atmo.minWind = std::min(atmo.maxWind, atmo.minWind);
}
void CMapInfo::ReadSplats()
{
const LuaTable& splatsTable = mapInfoParser.GetRoot().SubTable("splats");
splats.texScales = splatsTable.GetFloat4("texScales", float4(0.02f, 0.02f, 0.02f, 0.02f));
splats.texMults = splatsTable.GetFloat4("texMults", float4(1.0f, 1.0f, 1.0f, 1.0f));
}
void CMapInfo::ReadGrass()
{
const LuaTable& grassTable = mapInfoParser.GetRoot().SubTable("grass");
const LuaTable& mapResTable = mapInfoParser.GetRoot().SubTable("resources");
grass.bladeWaveScale = grassTable.GetFloat("bladeWaveScale", 1.0f);
grass.bladeWidth = grassTable.GetFloat("bladeWidth", 0.7f);
grass.bladeHeight = grassTable.GetFloat("bladeHeight", 4.5f);
grass.bladeAngle = grassTable.GetFloat("bladeAngle", 1.0f);
grass.maxStrawsPerTurf = grassTable.GetInt("maxStrawsPerTurf", 150);
grass.color = grassTable.GetFloat3("bladeColor", float3(0.10f, 0.40f, 0.10f));
grass.bladeTexName = mapResTable.GetString("grassBladeTex", "");
FIND_MAP_TEXTURE(&grass.bladeTexName);
}
void CMapInfo::ReadLight()
{
const LuaTable& lightTable = mapInfoParser.GetRoot().SubTable("lighting");
// read the float4 direction first; keep it if the float3 value does not exist
light.sunDir = lightTable.GetFloat4("sunDir", float4(0.0f, 1.0f, 2.0f, 1.0f));
light.sunDir = {lightTable.GetFloat3("sunDir", light.sunDir), light.sunDir.w};
light.sunDir.ANormalize();
light.groundAmbientColor = lightTable.GetFloat3("groundAmbientColor", float3(0.5f, 0.5f, 0.5f));
light.groundDiffuseColor = lightTable.GetFloat3("groundDiffuseColor", float3(0.5f, 0.5f, 0.5f));
light.groundSpecularColor = lightTable.GetFloat3("groundSpecularColor", float3(0.1f, 0.1f, 0.1f));
light.groundShadowDensity = lightTable.GetFloat("groundShadowDensity", 0.8f);
light.modelAmbientColor = lightTable.GetFloat3("unitAmbientColor", float3(0.4f, 0.4f, 0.4f));
light.modelDiffuseColor = lightTable.GetFloat3("unitDiffuseColor", float3(0.7f, 0.7f, 0.7f));
light.modelSpecularColor = lightTable.GetFloat3("unitSpecularColor", light.modelDiffuseColor);
light.modelShadowDensity = lightTable.GetFloat("unitShadowDensity", 0.8f);
light.specularExponent = lightTable.GetFloat("specularExponent", 100.0f);
light.groundShadowDensity = Clamp(light.groundShadowDensity, 0.0f, 1.0f);
light.modelShadowDensity = Clamp(light.modelShadowDensity, 0.0f, 1.0f);
}
void CMapInfo::ReadWater()
{
const LuaTable& wt = mapInfoParser.GetRoot().SubTable("water");
water.fluidDensity = wt.GetFloat("fluidDensity", 960.0f * 0.25f);
water.repeatX = wt.GetFloat("repeatX", 0.0f);
water.repeatY = wt.GetFloat("repeatY", 0.0f);
water.damage = wt.GetFloat("damage", 0.0f) * ((float)UNIT_SLOWUPDATE_RATE / (float)GAME_SPEED);
water.absorb = wt.GetFloat3("absorb", float3(0.0f, 0.0f, 0.0f));
water.baseColor = wt.GetFloat3("baseColor", float3(0.0f, 0.0f, 0.0f));
water.minColor = wt.GetFloat3("minColor", float3(0.0f, 0.0f, 0.0f));
water.ambientFactor = wt.GetFloat("ambientFactor", 1.0f);
water.diffuseFactor = wt.GetFloat("diffuseFactor", 1.0f);
water.specularFactor= wt.GetFloat("specularFactor",1.0f);
water.specularPower = wt.GetFloat("specularPower", 20.0f);
water.planeColor = wt.GetFloat3("planeColor", float3(0.0f, 0.4f, 0.0f));
water.hasWaterPlane = wt.KeyExists("planeColor");
water.surfaceColor = wt.GetFloat3("surfaceColor", float3(0.75f, 0.8f, 0.85f));
water.surfaceAlpha = wt.GetFloat("surfaceAlpha", 0.55f);
water.diffuseColor = wt.GetFloat3("diffuseColor", float3(1.0f, 1.0f, 1.0f));
water.specularColor = wt.GetFloat3("specularColor", light.groundDiffuseColor);
water.fresnelMin = wt.GetFloat("fresnelMin", 0.2f);
water.fresnelMax = wt.GetFloat("fresnelMax", 0.8f);
water.fresnelPower = wt.GetFloat("fresnelPower", 4.0f);
water.reflDistortion = wt.GetFloat("reflectionDistortion", 1.0f);
water.blurBase = wt.GetFloat("blurBase", 2.0f);
water.blurExponent = wt.GetFloat("blurExponent", 1.5f);
water.perlinStartFreq = wt.GetFloat("perlinStartFreq", 8.0f);
water.perlinLacunarity = wt.GetFloat("perlinLacunarity", 3.0f);
water.perlinAmplitude = wt.GetFloat("perlinAmplitude", 0.9f);
water.windSpeed = wt.GetFloat("windSpeed", 1.0f);
water.texture = wt.GetString("texture", "");
water.foamTexture = wt.GetString("foamTexture", "");
water.normalTexture = wt.GetString("normalTexture", "");
water.shoreWaves = wt.GetBool("shoreWaves", true);
water.forceRendering = wt.GetBool("forceRendering", false);
// use 'resources.lua' for missing fields (our the engine defaults)
const LuaTable& resGfxMaps = resTableRoot->SubTable("graphics").SubTable("maps");
FIND_MAP_TEXTURE(&water.texture);
if (water.texture.empty()) {
water.texture = resGfxMaps.GetString("watertex", "ocean.jpg");
FIND_MAP_TEXTURE(&water.texture, "bitmaps/");
}
FIND_MAP_TEXTURE(&water.foamTexture);
if (water.foamTexture.empty()) {
water.foamTexture = resGfxMaps.GetString("waterfoamtex", "foam.jpg");
FIND_MAP_TEXTURE(&water.foamTexture, "bitmaps/");
}
FIND_MAP_TEXTURE(&water.normalTexture);
water.numTiles = Clamp(wt.GetInt("numTiles", 1), 1, 16);
if (water.normalTexture.empty()) {
water.normalTexture = resGfxMaps.GetString("waternormaltex", "waterbump.png");
FIND_MAP_TEXTURE(&water.normalTexture, "bitmaps/");
// default texture is a TileSet of 3x3
// user-defined textures are expected to be 1x1 (no DynWaves possible)
water.numTiles = 3;
if (resGfxMaps.KeyExists("waternormaltex")) {
water.numTiles = Clamp(resGfxMaps.GetInt("numTiles", 1), 1, 16);
}
}
// water caustic textures
LuaTable caustics = wt.SubTable("caustics");
std::string causticPrefix = "maps/";
if (!caustics.IsValid()) {
caustics = resTableRoot->SubTable("graphics").SubTable("caustics");
causticPrefix = "bitmaps/";
}
if (caustics.IsValid()) {
for (int i = 1; true; i++) {
std::string texName = caustics.GetString(i, "");
if (texName.empty())
break;
FIND_MAP_TEXTURE(&texName, causticPrefix);
water.causticTextures.push_back(texName);
}
} else {
// load the default 32 textures
for (int i = 0; i < 32; i++) {
water.causticTextures.push_back(IntToString(i, "bitmaps/caustics/caustic%02i.jpg"));
}
}
}
template<typename T>
static bool ParseSplatDetailNormalTexture(const LuaTable& table, const T key, std::vector<std::string>& texNames)
{
if (!table.KeyExists(key))
return false;
std::string val = table.GetString(key, "");
FIND_MAP_TEXTURE(&val);
texNames.push_back(val);
return true;
}
void CMapInfo::ReadSMF()
{
// SMF specific settings
const LuaTable& mapResTable = mapInfoParser.GetRoot().SubTable("resources");
const LuaTable& sdnTexTable = mapResTable.SubTable("splatDetailNormalTex");
const std::array<std::pair<std::string*, std::string>, 9> texNames = {{
{&smf.detailTexName, "detailTex"},
{&smf.specularTexName, "specularTex"},
{&smf.splatDetailTexName, "splatDetailTex"},
{&smf.splatDistrTexName, "splatDistrTex"},
{&smf.grassShadingTexName, "grassShadingTex"},
{&smf.skyReflectModTexName, "skyReflectModTex"},
{&smf.blendNormalsTexName, "detailNormalTex"},
{&smf.lightEmissionTexName, "lightEmissionTex"},
{&smf.parallaxHeightTexName, "parallaxHeightTex"},
}};
for (auto& pair: texNames) {
*pair.first = mapResTable.GetString(pair.second, "");
FIND_MAP_TEXTURE(pair.first);
}
if (smf.detailTexName.empty()) {
const LuaTable& resGfxMaps = resTableRoot->SubTable("graphics").SubTable("maps");
smf.detailTexName = resGfxMaps.GetString("detailtex", "detailtex2.bmp");
FIND_MAP_TEXTURE(&smf.detailTexName, "bitmaps/");
}
if (sdnTexTable.IsValid()) {
smf.splatDetailNormalDiffuseAlpha = sdnTexTable.GetBool("alpha", false);
for (int i = 0; true; i++) {
if (!ParseSplatDetailNormalTexture(sdnTexTable, i + 1, smf.splatDetailNormalTexNames)) {
break;
}
}
} else {
smf.splatDetailNormalDiffuseAlpha = mapResTable.GetBool("splatDetailNormalDiffuseAlpha", false);
for (int i = 0; true; i++) {
if (!ParseSplatDetailNormalTexture(mapResTable, "splatDetailNormalTex" + IntToString(i + 1), smf.splatDetailNormalTexNames)) {
break;
}
}
}
// overrides for compiled parameters
const LuaTable& smfTable = mapInfoParser.GetRoot().SubTable("smf");
smf.minHeightOverride = smfTable.KeyExists("minHeight");
smf.maxHeightOverride = smfTable.KeyExists("maxHeight");
smf.minHeight = smfTable.GetFloat("minHeight", 0.0f);
smf.maxHeight = smfTable.GetFloat("maxHeight", 0.0f);
smf.minimapTexName = smfTable.GetString("minimapTex", "");
smf.metalmapTexName = smfTable.GetString("metalmapTex", "");
smf.typemapTexName = smfTable.GetString("typemapTex", "");
smf.grassmapTexName = smfTable.GetString("grassmapTex", "");
FIND_MAP_TEXTURE(&smf.minimapTexName);
FIND_MAP_TEXTURE(&smf.metalmapTexName);
FIND_MAP_TEXTURE(&smf.typemapTexName);
FIND_MAP_TEXTURE(&smf.grassmapTexName);
for (int i = 0; /* no test */; i++) {
const std::string key = IntToString(i, "smtFileName%i");
if (!smfTable.KeyExists(key))
break;
smf.smtFileNames.push_back(smfTable.GetString(key, ".smt"));
}
}
void CMapInfo::ReadTerrainTypes()
{
const LuaTable& terrTypeTable = mapInfoParser.GetRoot().SubTable("terrainTypes");
for (int tt = 0; tt < NUM_TERRAIN_TYPES; tt++) {
TerrainType& terrType = terrainTypes[tt];
const LuaTable& terrain = terrTypeTable.SubTable(tt);
const LuaTable& moveTable = terrain.SubTable("moveSpeeds");
terrType.name = terrain.GetString("name", "Default");
terrType.hardness = terrain.GetFloat("hardness", 1.0f);
terrType.receiveTracks = terrain.GetBool("receiveTracks", true);
terrType.tankSpeed = moveTable.GetFloat("tank", 1.0f);
terrType.kbotSpeed = moveTable.GetFloat("kbot", 1.0f);
terrType.hoverSpeed = moveTable.GetFloat("hover", 1.0f);
terrType.shipSpeed = moveTable.GetFloat("ship", 1.0f);
// clamps
terrType.hardness = std::max(0.001f, terrType.hardness);
terrType.tankSpeed = std::max(0.000f, terrType.tankSpeed);
terrType.kbotSpeed = std::max(0.000f, terrType.kbotSpeed);
terrType.hoverSpeed = std::max(0.000f, terrType.hoverSpeed);
terrType.shipSpeed = std::max(0.000f, terrType.shipSpeed);
}
}
void CMapInfo::ReadPFSConstants()
{
const LuaTable& pfsTable = (mapInfoParser.GetRoot()).SubTable("pfs");
// const LuaTable& legacyTable = pfsTable.SubTable("legacyConstants");
const LuaTable& qtpfsTable = pfsTable.SubTable("qtpfsConstants");
// pfs_t::legacy_constants_t& legacyConsts = pfs.legacy_constants;
pfs_t::qtpfs_constants_t& qtpfsConsts = pfs.qtpfs_constants;
qtpfsConsts.layersPerUpdate = qtpfsTable.GetInt("layersPerUpdate", 5);
qtpfsConsts.maxTeamSearches = qtpfsTable.GetInt("maxTeamSearches", 25);
qtpfsConsts.minNodeSizeX = qtpfsTable.GetInt("minNodeSizeX", 8);
qtpfsConsts.minNodeSizeZ = qtpfsTable.GetInt("minNodeSizeZ", 8);
qtpfsConsts.maxNodeDepth = qtpfsTable.GetInt("maxNodeDepth", 16);
qtpfsConsts.numSpeedModBins = qtpfsTable.GetInt("numSpeedModBins", 10);
qtpfsConsts.minSpeedModVal = std::max( 0.0f, qtpfsTable.GetFloat("minSpeedModVal", 0.0f));
qtpfsConsts.maxSpeedModVal = std::max(qtpfsConsts.minSpeedModVal, qtpfsTable.GetFloat("maxSpeedModVal", 2.0f));
}
void CMapInfo::ReadSound()
{
#if !defined(HEADLESS) && !defined(NO_SOUND)
const LuaTable& soundTable = mapInfoParser.GetRoot().SubTable("sound");
efxprops = new EAXSfxProps();
const auto presetIt = eaxPresets.find(soundTable.GetString("preset", "default"));
if (presetIt != eaxPresets.end())
*efxprops = presetIt->second;
const LuaTable& filterTable = soundTable.SubTable("passfilter");
for (const auto& item: nameToALFilterParam) {
const std::string& name = item.first;
const int luaType = filterTable.GetType(name);
if (luaType == LuaTable::NIL)
continue;
const ALuint param = item.second;
const unsigned type = alParamType[param];
switch (type) {
case EFXParamTypes::FLOAT:
if (luaType == LuaTable::NUMBER)
efxprops->filter_props_f[param] = filterTable.GetFloat(name, 0.0f);
break;
}
}
soundTable.SubTable("reverb");
for (const auto& item: nameToALFilterParam) {
const std::string& name = item.first;
const int luaType = filterTable.GetType(name);
if (luaType == LuaTable::NIL)
continue;
const ALuint param = item.second;
const unsigned type = alParamType[param];
switch (type) {
case EFXParamTypes::VECTOR:
if (luaType == LuaTable::TABLE)
efxprops->reverb_props_v[param] = filterTable.GetFloat3(name, ZeroVector);
break;
case EFXParamTypes::FLOAT:
if (luaType == LuaTable::NUMBER)
efxprops->reverb_props_f[param] = filterTable.GetFloat(name, 0.0f);
break;
case EFXParamTypes::BOOL:
if (luaType == LuaTable::BOOLEAN)
efxprops->reverb_props_i[param] = filterTable.GetBool(name, false);
break;
}
}
#endif
}