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Return 'loops' occlusion culler under a setting (#13352)

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* Add occlusion_culler setting to minetest.conf.example
* Add raytraced occlusion culling to 'loops' algorithm

---------

Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
x2048 2023-03-30 00:10:23 +02:00 • committed by GitHub
parent bd88d299b9
commit 93898957b6
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 30 additions and 2 deletions
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18
src/client/clientmap.cpp
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@ -103,18 +103,23 @@ ClientMap::ClientMap(
m_cache_bilinear_filter = g_settings->getBool("bilinear_filter");
m_cache_anistropic_filter = g_settings->getBool("anisotropic_filter");
m_cache_transparency_sorting_distance = g_settings->getU16("transparency_sorting_distance");
m_loops_occlusion_culler = g_settings->get("occlusion_culler") == "loops";
g_settings->registerChangedCallback("occlusion_culler", on_settings_changed, this);
m_enable_raytraced_culling = g_settings->getBool("enable_raytraced_culling");
g_settings->registerChangedCallback("enable_raytraced_culling", on_settings_changed, this);
}
void ClientMap::onSettingChanged(const std::string &name)
{
if (name == "occlusion_culler")
m_loops_occlusion_culler = g_settings->get("occlusion_culler") == "loops";
if (name == "enable_raytraced_culling")
m_enable_raytraced_culling = g_settings->getBool("enable_raytraced_culling");
}
ClientMap::~ClientMap()
{
g_settings->deregisterChangedCallback("occlusion_culler", on_settings_changed, this);
g_settings->deregisterChangedCallback("enable_raytraced_culling", on_settings_changed, this);
}
@ -298,7 +303,7 @@ void ClientMap::updateDrawList()
When range_all is enabled, enumerate all blocks visible in the
frustum and display them.
*/
if (m_control.range_all) {
if (m_control.range_all || m_loops_occlusion_culler) {
MapBlockVect sectorblocks;
for (auto &sector_it : m_sectors) {
@ -339,6 +344,14 @@ void ClientMap::updateDrawList()
continue;
}
// Raytraced occlusion culling - send rays from the camera to the block's corners
if (occlusion_culling_enabled && m_enable_raytraced_culling &&
mesh &&
isMeshOccluded(block, mesh_grid.cell_size, cam_pos_nodes)) {
blocks_occlusion_culled++;
continue;
}
if (mesh_grid.cell_size > 1) {
// Block meshes are stored in the corner block of a chunk
// (where all coordinate are divisible by the chunk size)
@ -582,6 +595,9 @@ void ClientMap::updateDrawList()
void ClientMap::touchMapBlocks()
{
if (!m_loops_occlusion_culler)
return;
v3s16 cam_pos_nodes = floatToInt(m_camera_position, BS);
v3s16 p_blocks_min;