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Heightmap terrain: .tch chunk packs, streaming with LOD, terrain painting, water and modifiers - terrain/<name>/terrain.yaml + <px>_<pz>.tch packs of 16x16 chunks (250 m, 0.5/1/2/5 m spacing), slices with crc-32 and optional zstd (vendored zstd 1.5.6 in ref/zstd) - heightmap_terrain [name] endheightmap_terrain directive replaces editorterrain - streamer: worker threads, camera + look-ahead loading, geomipmap LOD with skirts, pooled geometry - mat_terrain shader: up to 8 painted layer materials per chunk via texture arrays (opengl33); other renderers fall back to the dominant material - water bodies (outline + level), terrain modifiers (vertical profile shaping kept non-destructive) - F11 Terrain work mode rebuilt: chunks, sculpt, smooth, paint, point spacing, water tools

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This commit is contained in:
Hirek
2026-10-09 21:02:25 +02:00
parent bbccce0e29
commit 35bda3778c
26 changed files with 52888 additions and 1624 deletions
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77
simulation/simulationstateserializer.cpp
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@@ -134,6 +134,7 @@ state_serializer::deserialize_begin( std::string const &Scenariofile ) {
{ "time", &state_serializer::deserialize_time },
{ "trainset", &state_serializer::deserialize_trainset },
{ "terrain", &state_serializer::deserialize_terrain },
{ "heightmap_terrain", &state_serializer::deserialize_heightmapterrain },
{ "editorterrain", &state_serializer::deserialize_editorterrain },
{ "endtrainset", &state_serializer::deserialize_endtrainset },
{ "reversed", &state_serializer::deserialize_reversed } };
@@ -1296,37 +1297,43 @@ state_serializer::deserialize_terrain(cParser &Input, scene::scratch_data &Scrat
}
void
state_serializer::deserialize_editorterrain(cParser &Input, scene::scratch_data &Scratchpad)
state_serializer::deserialize_heightmapterrain(cParser &Input, scene::scratch_data &Scratchpad)
{
// editor-authored streaming terrain. format:
// editorterrain <folder> <cells> <cellsize> <radius> [texture] endeditorterrain
// the global streamer loads its 16-bit chunk files around the camera in every mode
std::string folder;
int cells = 32;
float cellsize = 2.0f;
int radius = 4;
Input.getTokens(4);
Input >> folder >> cells >> cellsize >> radius;
std::string texture { Input.getToken<std::string>() };
if( texture == "endeditorterrain" ) {
texture.clear();
// heightmap terrain, kept in terrain/<name>/ of the simulator. format:
// heightmap_terrain [name] endheightmap_terrain
// without the name the terrain is named after the scenery file. the chunks are loaded around the camera in every mode
std::string name;
while( true ) {
auto const token { Input.getToken<std::string>( false ) };
if( token.empty() || token == "endheightmap_terrain" ) {
break;
}
if( name.empty() ) {
name = token;
}
}
else {
skip_until(Input, "endeditorterrain");
if( name.empty() ) {
name = Global.SceneryFile;
auto const slash { name.find_last_of( "/\\" ) };
if( slash != std::string::npos ) {
name.erase( 0, slash + 1 );
}
erase_extension( name );
}
scene::Layers.terrain_directive(true);
if (!folder.empty() && cells > 0 && cellsize > 0.0f)
{
EditorTerrain.directory(folder);
EditorTerrain.configure(cells, cellsize, radius < 0 ? 0 : radius, 0.0f, texture);
EditorTerrain.active(true);
WriteLog("Editor terrain stream enabled: " + folder + " (cells " + std::to_string(cells)
+ ", cellsize " + std::to_string(cellsize) + ", radius " + std::to_string(radius) + ")",
logtype::generic);
if( false == name.empty() ) {
EditorTerrain.open( name );
}
}
void
state_serializer::deserialize_editorterrain(cParser &Input, scene::scratch_data &Scratchpad)
{
// the chunk files of the first editor terrain were replaced with the heightmap terrain before they were used in sceneries
skip_until(Input, "endeditorterrain");
WriteLog("Bad scenario: obsolete \"editorterrain\" directive ignored, the editor terrain is \"heightmap_terrain\" now", logtype::generic);
}
void
state_serializer::deserialize_endtrainset( cParser &Input, scene::scratch_data &Scratchpad ) {
@@ -1711,14 +1718,9 @@ state_serializer::export_as_text(std::string const &Scenariofile) const {
scmfile << "// sounds\n";
Region->export_as_text( scmfile );
// editor-authored streaming terrain: emit a directive pointing at its 16-bit chunk folder so the
// scenery streams it on load (in every mode)
// heightmap terrain: the directive which opens its folder, so the scenery streams it on load (in every mode)
if( EditorTerrain.active() ) {
scmfile << "// editor terrain\neditorterrain "
<< EditorTerrain.directory() << ' '
<< EditorTerrain.cells() << ' '
<< EditorTerrain.cellsize() << ' '
<< EditorTerrain.radius() << " endeditorterrain\n";
scmfile << "// heightmap terrain\nheightmap_terrain " << EditorTerrain.name() << " endheightmap_terrain\n";
}
scmfile << "// modified objects\ninclude " << filename << "_export_dirty.scm\n";
@@ -1768,16 +1770,9 @@ state_serializer::export_as_text(std::string const &Scenariofile) const {
scmfile << "// sounds\n";
Region->export_as_text( scmfile );
// editor-authored streaming terrain: emit a directive pointing at its 16-bit chunk folder so the
// scenery streams it on load (in every mode)
// heightmap terrain: the directive which opens its folder, so the scenery streams it on load (in every mode)
if( EditorTerrain.active() ) {
scmfile << "// editor terrain\neditorterrain "
<< EditorTerrain.directory() << ' '
<< EditorTerrain.cells() << ' '
<< EditorTerrain.cellsize() << ' '
<< EditorTerrain.radius()
<< ( EditorTerrain.texture().empty() ? "" : " " + EditorTerrain.texture() )
<< " endeditorterrain\n";
scmfile << "// heightmap terrain\nheightmap_terrain " << EditorTerrain.name() << " endheightmap_terrain\n";
}
scmfile << "// modified objects\ninclude " << filename << "_export_dirty.scm\n";
@@ -1921,7 +1916,7 @@ std::pair<int, int> state_serializer::preview_include(std::string const &Directi
static std::unordered_map<std::string, std::string> const statementends {
{ "event", "endevent" }, { "trainset", "endtrainset" }, { "isolated", "endisolated" }, { "area", "endarea" }, { "assignment", "endassignment" },
{ "atmo", "endatmo" }, { "camera", "endcamera" }, { "config", "endconfig" }, { "description", "enddescription" }, { "light", "endlight" },
{ "sky", "endsky" }, { "test", "endtest" }, { "time", "endtime" }, { "terrain", "endterrain" }, { "editorterrain", "endeditorterrain" } };
{ "sky", "endsky" }, { "test", "endtest" }, { "time", "endtime" }, { "terrain", "endterrain" }, { "heightmap_terrain", "endheightmap_terrain" }, { "editorterrain", "endeditorterrain" } };
cParser parser(Directive, cParser::buffer_TEXT, Global.asCurrentSceneryPath, Global.bLoadTraction);
// the template is processed with the placement its directive is going to be loaded with