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Code Issues 123 Wiki Activity

World Streaming Part 1

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This commit is contained in:
daniu
2026-06-18 18:18:02 +02:00
parent 449609d817
commit 75461eaf86
10 changed files with 806 additions and 49 deletions
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27
editor/editorTerrain.cpp
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@@ -237,6 +237,7 @@ void editor_terrain::optimize(float ErrorMetres)
{
m_simplify = true;
m_simplify_error = (ErrorMetres > 0.0f ? ErrorMetres : 0.01f);
m_dirty = false;
regenerate(true);
}
@@ -246,6 +247,28 @@ void editor_terrain::unoptimize()
regenerate(false);
}
void editor_terrain::destroy()
{
if (m_section != nullptr)
{
// erase the shape whose geometry handle is ours; other shapes keep their handles (so they
// keep rendering), and the geometry GC reclaims our now-undrawn chunk's GPU memory
for (auto it = m_section->m_shapes.begin(); it != m_section->m_shapes.end(); ++it)
{
auto const h = it->data().geometry;
if (h.bank == m_geometry.bank && h.chunk == m_geometry.chunk)
{
m_section->m_shapes.erase(it);
break;
}
}
}
m_section = nullptr;
m_geometry = gfx::geometry_handle{0, 0};
m_cells = 0; // mark invalid
m_heights.clear();
}
bool editor_terrain::contains(double X, double Z) const
{
double const x1 = m_x0 + static_cast<double>(m_cells) * m_cellsize;
@@ -298,8 +321,10 @@ bool editor_terrain::sculpt(double X, double Z, double Radius, double Strength)
if (changed)
{
// sculpting edits the full-resolution mesh (fixed vertex count => fast in-place update);
// the user can re-run optimize() afterwards to simplify again
// mark dirty so it can be auto-simplified once the stroke finishes, and modified for saving
m_simplify = false;
m_dirty = true;
m_modified = true;
regenerate(false);
}
return changed;