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Code Issues 150 Wiki Activity

refactor(track): reusable segment init, geometry rebuild, cell removal

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This commit is contained in:
maj00r
2026-10-01 22:48:39 +02:00
parent 521c4f9ebb
commit e46fe6d06c
5 changed files with 282 additions and 179 deletions
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397
world/Track.cpp
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@@ -382,8 +382,7 @@ void TTrack::ConnectNextNext(TTrack *pTrack, int typ)
void TTrack::Load(cParser *parser, glm::dvec3 const &pOrigin)
{ // pobranie obiektu trajektorii ruchu
glm::dvec3 pt, vec, p1, p2, cp1, cp2, p3, p4, cp3, cp4; // dodatkowe punkty potrzebne do skrzyżowań
double a1, a2, r1, r2, r3, r4;
double a1, a2;
std::string str;
size_t i; //,state; //Ra: teraz już nie ma początkowego stanu zwrotnicy we wpisie
std::string token;
@@ -501,8 +500,6 @@ void TTrack::Load(cParser *parser, glm::dvec3 const &pOrigin)
else if (Global.iWriteLogEnabled & 4)
WriteLog("unvis");
Init(); // ustawia SwitchExtension
double segsize = 5.0; // długość odcinka segmentowania
// path data
// all subtypes contain at least one path
m_paths.emplace_back();
@@ -521,6 +518,198 @@ void TTrack::Load(cParser *parser, glm::dvec3 const &pOrigin)
}
}
init_segments( true );
// optional attributes
parser->getTokens();
*parser >> token;
str = token;
while (str != "endtrack")
{
if (str == "event0")
{
parser->getTokens();
*parser >> token;
m_events0.emplace_back( token, nullptr );
}
else if (str == "event1")
{
parser->getTokens();
*parser >> token;
m_events1.emplace_back( token, nullptr );
}
else if (str == "event2")
{
parser->getTokens();
*parser >> token;
m_events2.emplace_back( token, nullptr );
}
else if (str == "eventall0")
{
parser->getTokens();
*parser >> token;
m_events0all.emplace_back( token, nullptr );
}
else if (str == "eventall1")
{
parser->getTokens();
*parser >> token;
m_events1all.emplace_back( token, nullptr );
}
else if (str == "eventall2")
{
parser->getTokens();
*parser >> token;
m_events2all.emplace_back( token, nullptr );
}
else if (str == "velocity")
{
parser->getTokens();
*parser >> fVelocity; //*0.28; McZapkie-010602
if (SwitchExtension) // jeśli tor ruchomy
if (std::abs(fVelocity) >= 1.0) //żeby zero nie ograniczało dożywotnio
// zapamiętanie głównego ograniczenia; a np. -40 ogranicza tylko na bok
SwitchExtension->fVelocity = static_cast<float>(fVelocity);
}
else if (str == "isolated")
{ // obwód izolowany, do którego tor należy
parser->getTokens();
*parser >> token;
Isolated.push_back(TIsolated::Find(token));
}
else if (str == "angle1")
{ // kąt ścięcia końca od strony 1
// NOTE: not used/implemented
parser->getTokens();
*parser >> a1;
//Segment->AngleSet(0, a1);
}
else if (str == "angle2")
{ // kąt ścięcia końca od strony 2
// NOTE: not used/implemented
parser->getTokens();
*parser >> a2;
//Segment->AngleSet(1, a2);
}
else if (str == "fouling1")
{ // wskazanie modelu ukresu w kierunku 1
// NOTE: not used/implemented
parser->getTokens();
*parser >> token;
// nFouling[0]=
}
else if (str == "fouling2")
{ // wskazanie modelu ukresu w kierunku 2
// NOTE: not used/implemented
parser->getTokens();
*parser >> token;
// nFouling[1]=
}
else if (str == "overhead")
{ // informacja o stanie sieci: 0-jazda bezprądowa, >0-z opuszczonym i ograniczeniem prędkości
parser->getTokens();
*parser >> fOverhead;
if (fOverhead > 0.0)
iAction |= 0x40; // flaga opuszczenia pantografu (tor uwzględniany w skanowaniu jako
// ograniczenie dla pantografujących)
}
else if( str == "vradius" ) {
// y-axis track radius
// NOTE: not used/implemented
parser->getTokens();
*parser >> fVerticalRadius;
}
else if( str == "trackbed" ) {
// switch trackbed texture
auto const trackbedtexture { parser->getToken<std::string>() };
if( eType == tt_Switch ) {
SwitchExtension->m_material3 = GfxRenderer->Fetch_Material( trackbedtexture );
}
}
else if( str == "railprofile" ) {
// rail profile
auto const railprofile { parser->getToken<std::string>() };
if( iCategoryFlag == 1 ) {
m_profile1 = fetch_track_rail_profile( railprofile );
}
}
else if( str == "friction" ) {
// memory cell holding friction value modifiers
m_friction.first = parser->getToken<std::string>();
}
else if( str == "sleepermodel" ) {
// sleepermodel <frequency> <model> <skin> <offsetX> <offsetY> <offsetZ> <ballastZ>
// - frequency: meters between consecutive sleeper instances (must be > 0)
// - model: path to the .e3d sleeper model
// - skin: replacable skin path, or "none" for the model's defaults
// - offset: local-space offset applied per-instance (x=left/right, y=forward/back, z=up/down)
// - ballastZ: vertical shift applied to the auto-generated trackbed (ballast). negative pushes ballast down.
float frequency { 0.f };
float offsetx { 0.f }, offsety { 0.f }, offsetz { 0.f };
float ballastz { 0.f };
parser->getTokens( 1, false ); *parser >> frequency;
auto modelpath { parser->getToken<std::string>( false ) };
auto skinpath { parser->getToken<std::string>( false ) };
parser->getTokens( 3, false ); *parser >> offsetx >> offsety >> offsetz;
parser->getTokens( 1, false ); *parser >> ballastz;
if( frequency <= 0.01f ) {
ErrorLog( "Bad track: invalid sleepermodel frequency (" + std::to_string( frequency ) + ") for track \"" + m_name + "\"" );
}
else {
replace_slashes( modelpath );
m_sleeper_enabled = true;
m_sleeper_frequency = frequency;
m_sleeper_model_name = modelpath;
m_sleeper_skin_name = skinpath;
m_sleeper_offset = glm::vec3( offsetx, offsety, offsetz );
m_sleeper_ballast_z = ballastz;
// model and skin are resolved (and instance transforms baked) in build_sleeper_transforms,
// called after segment initialisation so the path geometry is final.
}
}
else
ErrorLog("Bad track: unknown property: \"" + str + "\" defined for track \"" + m_name + "\"");
parser->getTokens();
*parser >> token;
str = token;
}
// alternatywny zapis nazwy odcinka izolowanego - po znaku "@" w nazwie toru
if ((i = m_name.find("@")) != std::string::npos && i < m_name.length())
{
Isolated.push_back(TIsolated::Find(m_name.substr(i + 1, m_name.length())));
m_name = m_name.substr(0, i - 1); // usunięcie z nazwy
}
update_location();
// sleeper transforms are baked later in create_geometry(), once the owning cell has
// assigned this track its m_origin (otherwise the local-space matrices would be relative
// to a stale origin and the renderer would draw sleepers in the wrong place).
}
// calculates path location from the current segment
void TTrack::update_location() {
location( (
CurrentSegment()->FastGetPoint_0()
+ CurrentSegment()->FastGetPoint( 0.5 )
+ CurrentSegment()->FastGetPoint_1() )
/ 3.0 );
}
// (re)creates path segments from the source path data in m_paths
// Initial: true when called during deserialization; the editor passes false to keep the current switch state
void TTrack::init_segments( bool const Initial ) {
glm::dvec3 p1, p2, cp1, cp2, p3, p4, cp3, cp4; // dodatkowe punkty potrzebne do skrzyżowań
double r1, r2, r3, r4;
double segsize = 5.0; // długość odcinka segmentowania
// TSegment::Init() raises the trackbed for the roll fix through MovedUp1(); drop the previous adjustment
// so repeated initialization doesn't accumulate it
fTexHeight1 -= fTexHeightOffset;
fTexHeightOffset = 0.f;
switch (eType) {
// Ra: łuki segmentowane co 5m albo 314-kątem foremnym
case tt_Table: {
@@ -773,7 +962,9 @@ void TTrack::Load(cParser *parser, glm::dvec3 const &pOrigin)
}
}
Switch(0); // na stałe w położeniu 0 - nie ma początkowego stanu zwrotnicy we wpisie
if( Initial ) {
Switch(0);
} // na stałe w położeniu 0 - nie ma początkowego stanu zwrotnicy we wpisie
if( eType == tt_Switch )
// Ra: zamienić później na iloczyn wektorowy
@@ -796,177 +987,6 @@ void TTrack::Load(cParser *parser, glm::dvec3 const &pOrigin)
break;
}
}
// optional attributes
parser->getTokens();
*parser >> token;
str = token;
while (str != "endtrack")
{
if (str == "event0")
{
parser->getTokens();
*parser >> token;
m_events0.emplace_back( token, nullptr );
}
else if (str == "event1")
{
parser->getTokens();
*parser >> token;
m_events1.emplace_back( token, nullptr );
}
else if (str == "event2")
{
parser->getTokens();
*parser >> token;
m_events2.emplace_back( token, nullptr );
}
else if (str == "eventall0")
{
parser->getTokens();
*parser >> token;
m_events0all.emplace_back( token, nullptr );
}
else if (str == "eventall1")
{
parser->getTokens();
*parser >> token;
m_events1all.emplace_back( token, nullptr );
}
else if (str == "eventall2")
{
parser->getTokens();
*parser >> token;
m_events2all.emplace_back( token, nullptr );
}
else if (str == "velocity")
{
parser->getTokens();
*parser >> fVelocity; //*0.28; McZapkie-010602
if (SwitchExtension) // jeśli tor ruchomy
if (std::abs(fVelocity) >= 1.0) //żeby zero nie ograniczało dożywotnio
// zapamiętanie głównego ograniczenia; a np. -40 ogranicza tylko na bok
SwitchExtension->fVelocity = static_cast<float>(fVelocity);
}
else if (str == "isolated")
{ // obwód izolowany, do którego tor należy
parser->getTokens();
*parser >> token;
Isolated.push_back(TIsolated::Find(token));
}
else if (str == "angle1")
{ // kąt ścięcia końca od strony 1
// NOTE: not used/implemented
parser->getTokens();
*parser >> a1;
//Segment->AngleSet(0, a1);
}
else if (str == "angle2")
{ // kąt ścięcia końca od strony 2
// NOTE: not used/implemented
parser->getTokens();
*parser >> a2;
//Segment->AngleSet(1, a2);
}
else if (str == "fouling1")
{ // wskazanie modelu ukresu w kierunku 1
// NOTE: not used/implemented
parser->getTokens();
*parser >> token;
// nFouling[0]=
}
else if (str == "fouling2")
{ // wskazanie modelu ukresu w kierunku 2
// NOTE: not used/implemented
parser->getTokens();
*parser >> token;
// nFouling[1]=
}
else if (str == "overhead")
{ // informacja o stanie sieci: 0-jazda bezprądowa, >0-z opuszczonym i ograniczeniem prędkości
parser->getTokens();
*parser >> fOverhead;
if (fOverhead > 0.0)
iAction |= 0x40; // flaga opuszczenia pantografu (tor uwzględniany w skanowaniu jako
// ograniczenie dla pantografujących)
}
else if( str == "vradius" ) {
// y-axis track radius
// NOTE: not used/implemented
parser->getTokens();
*parser >> fVerticalRadius;
}
else if( str == "trackbed" ) {
// switch trackbed texture
auto const trackbedtexture { parser->getToken<std::string>() };
if( eType == tt_Switch ) {
SwitchExtension->m_material3 = GfxRenderer->Fetch_Material( trackbedtexture );
}
}
else if( str == "railprofile" ) {
// rail profile
auto const railprofile { parser->getToken<std::string>() };
if( iCategoryFlag == 1 ) {
m_profile1 = fetch_track_rail_profile( railprofile );
}
}
else if( str == "friction" ) {
// memory cell holding friction value modifiers
m_friction.first = parser->getToken<std::string>();
}
else if( str == "sleepermodel" ) {
// sleepermodel <frequency> <model> <skin> <offsetX> <offsetY> <offsetZ> <ballastZ>
// - frequency: meters between consecutive sleeper instances (must be > 0)
// - model: path to the .e3d sleeper model
// - skin: replacable skin path, or "none" for the model's defaults
// - offset: local-space offset applied per-instance (x=left/right, y=forward/back, z=up/down)
// - ballastZ: vertical shift applied to the auto-generated trackbed (ballast). negative pushes ballast down.
float frequency { 0.f };
float offsetx { 0.f }, offsety { 0.f }, offsetz { 0.f };
float ballastz { 0.f };
parser->getTokens( 1, false ); *parser >> frequency;
auto modelpath { parser->getToken<std::string>( false ) };
auto skinpath { parser->getToken<std::string>( false ) };
parser->getTokens( 3, false ); *parser >> offsetx >> offsety >> offsetz;
parser->getTokens( 1, false ); *parser >> ballastz;
if( frequency <= 0.01f ) {
ErrorLog( "Bad track: invalid sleepermodel frequency (" + std::to_string( frequency ) + ") for track \"" + m_name + "\"" );
}
else {
replace_slashes( modelpath );
m_sleeper_enabled = true;
m_sleeper_frequency = frequency;
m_sleeper_model_name = modelpath;
m_sleeper_skin_name = skinpath;
m_sleeper_offset = glm::vec3( offsetx, offsety, offsetz );
m_sleeper_ballast_z = ballastz;
// model and skin are resolved (and instance transforms baked) in build_sleeper_transforms,
// called after segment initialisation so the path geometry is final.
}
}
else
ErrorLog("Bad track: unknown property: \"" + str + "\" defined for track \"" + m_name + "\"");
parser->getTokens();
*parser >> token;
str = token;
}
// alternatywny zapis nazwy odcinka izolowanego - po znaku "@" w nazwie toru
if ((i = m_name.find("@")) != std::string::npos && i < m_name.length())
{
Isolated.push_back(TIsolated::Find(m_name.substr(i + 1, m_name.length())));
m_name = m_name.substr(0, i - 1); // usunięcie z nazwy
}
// calculate path location
location( (
CurrentSegment()->FastGetPoint_0()
+ CurrentSegment()->FastGetPoint( 0.5 )
+ CurrentSegment()->FastGetPoint_1() )
/ 3.0 );
// sleeper transforms are baked later in create_geometry(), once the owning cell has
// assigned this track its m_origin (otherwise the local-space matrices would be relative
// to a stale origin and the renderer would draw sleepers in the wrong place).
}
bool TTrack::AssignEvents() {
@@ -1333,6 +1353,22 @@ glm::vec3 TTrack::get_nearest_point(const glm::dvec3 &point) const
}
// wypełnianie tablic VBO
// discards references to current render geometry and generates it anew in specified bank
// NOTE: geometry banks can't release chunks, so the old data stays in the bank, unused
void TTrack::rebuild_geometry( gfx::geometrybank_handle const &Bank ) {
if( Bank == null_handle ) { return; }
Geometry1.clear();
Geometry2.clear();
if( SwitchExtension ) {
SwitchExtension->Geometry3 = gfx::geometry_handle{};
}
m_sleeper_local_transforms.clear();
create_geometry( Bank );
}
void TTrack::create_geometry( gfx::geometrybank_handle const &Bank ) {
gfx::userdata_array empty_userdata;
// bake per-instance sleeper transforms now that the owning cell has assigned m_origin.
@@ -2319,6 +2355,8 @@ TTrack::export_as_text_( std::ostream &Output ) const {
<< fTexSlope << ' ';
}
// path data
// NOTE: default stream precision would round coordinates to centimetres or worse, breaking path connections
auto const precision { Output.precision( std::numeric_limits<double>::digits10 ) };
for( auto const &path : m_paths ) {
Output
<< path.points[ segment_data::point::start ].x << ' '
@@ -2341,6 +2379,7 @@ TTrack::export_as_text_( std::ostream &Output ) const {
<< path.radius << ' ';
}
Output.precision( precision );
// optional attributes
std::vector< std::pair< std::string, event_sequence const * > > const eventsequences {
{ "event0", &m_events0 }, { "eventall0", &m_events0all },
@@ -2379,13 +2418,17 @@ TTrack::export_as_text_( std::ostream &Output ) const {
}
if( eType == tt_Switch
&& SwitchExtension->m_material3 != null_handle) {
auto texturefile { GfxRenderer->Material( m_material2 )->GetName() };
auto texturefile { GfxRenderer->Material( SwitchExtension->m_material3 )->GetName() };
if( texturefile.find( paths::textures ) == 0 ) {
// don't include 'textures/' in the path
texturefile.erase( 0, std::string{ paths::textures }.size() );
}
Output << "trackbed " << texturefile << ' ';
}
if( iCategoryFlag == 1
&& false == m_profile1.first.empty() ) {
Output << "railprofile " << m_profile1.first << ' ';
}
if( false == m_friction.first.empty() ) {
Output << "friction " << m_friction.first << ' ';
}