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Rename region MMI nodes and reinstate _mmi_nodes.erase(p_region_loc);

This commit is contained in:
aidandavey 2025-11-05 18:42:12 +00:00
parent 3317ff7451
commit a996c9cd05
2 changed files with 10 additions and 7 deletions
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15
src/terrain_3d_instancer.cpp
View File

@ -169,7 +169,7 @@ void Terrain3DInstancer::_update_mmi_by_region(const Terrain3DRegion *p_region,
// Setup MMIs for each LOD + shadows
// Get or create mesh dict (defined here as cleanup above might invalidate it)
MeshMMIDict &mesh_mmi_dict = _mmi_nodes[region_loc];
MeshMMIDict &mesh_mmi_dict = _region_mmis[region_loc];
RID shadow_impostor_source_mm;
for (int lod = ma->get_last_lod(); lod >= Terrain3DMeshAsset::SHADOW_LOD_ID; lod--) {
@ -372,8 +372,8 @@ void Terrain3DInstancer::_destroy_mmi_by_mesh(const int p_mesh_id) {
void Terrain3DInstancer::_destroy_mmi_by_location(const Vector2i &p_region_loc, const int p_mesh_id) {
LOG(DEBUG, "Deleting all MMIs in region: ", p_region_loc, " for mesh_id: ", p_mesh_id);
std::unordered_set<Vector2i, Vector2iHash> cells;
if (_mmi_nodes.count(p_region_loc) > 0) {
MeshMMIDict &mesh_mmi_dict = _mmi_nodes[p_region_loc];
if (_region_mmis.count(p_region_loc) > 0) {
MeshMMIDict &mesh_mmi_dict = _region_mmis[p_region_loc];
for (const auto &mesh_entry : mesh_mmi_dict) {
const Vector2i &mesh_key = mesh_entry.first;
if (mesh_key.x != p_mesh_id) {
@ -392,10 +392,10 @@ void Terrain3DInstancer::_destroy_mmi_by_location(const Vector2i &p_region_loc,
}
void Terrain3DInstancer::_destroy_mmi_by_cell(const Vector2i &p_region_loc, const int p_mesh_id, const Vector2i p_cell, const int p_lod) {
if (_mmi_nodes.count(p_region_loc) == 0) {
if (_region_mmis.count(p_region_loc) == 0) {
return;
}
MeshMMIDict &mesh_mmi_dict = _mmi_nodes[p_region_loc];
MeshMMIDict &mesh_mmi_dict = _region_mmis[p_region_loc];
Ref<Terrain3DMeshAsset> ma = _terrain->get_assets()->get_mesh_asset(p_mesh_id);
for (int lod = Terrain3DMeshAsset::SHADOW_LOD_ID; lod < Terrain3DMeshAsset::MAX_LOD_COUNT; lod++) {
@ -428,6 +428,9 @@ void Terrain3DInstancer::_destroy_mmi_by_cell(const Vector2i &p_region_loc, cons
LOG(EXTREME, "Removing mesh ", mesh_key, " from cell MMI dictionary");
mesh_mmi_dict.erase(mesh_key); // invalidates cell_mmi_dict
}
// This invalidates mesh_mmi_dict here and for calling functions
_region_mmis.erase(p_region_loc);
}
}
@ -1294,7 +1297,7 @@ void Terrain3DInstancer::dump_mmis() {
LOG(MESG, "_mmi tree: ");
_terrain->get_mmi_parent()->print_tree();
LOG(MESG, "_mmi_nodes size: ", int(_mmi_nodes.size()));
for (auto &i : _mmi_nodes) {
for (auto &i : _region_mmis) {
//LOG(MESG, "_mmi_nodes region: ", i.first, ", dict ptr: ", ptr_to_str(&i.second));
for (auto &j : i.second) {
//LOG(MESG, "mesh_mmi_dict mesh: ", j.first, ", dict ptr: ", &j.second.first);

2
src/terrain_3d_instancer.h
View File

@ -32,7 +32,7 @@ private:
// _mmi_nodes{region_loc} -> mesh{v2i(mesh_id,lod)} -> cell{v2i} -> RID
using CellMMIDict = std::unordered_map<Vector2i, std::pair<RID, RID>, Vector2iHash>;
using MeshMMIDict = std::unordered_map<Vector2i, CellMMIDict, Vector2iHash>;
std::unordered_map<Vector2i, MeshMMIDict, Vector2iHash> _mmi_nodes;
std::unordered_map<Vector2i, MeshMMIDict, Vector2iHash> _region_mmis;
// MMI Updates tracked in a unique Set of <region_location, mesh_id>
// <V2I_MAX, -2> means destroy first, then update everything