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Return 'loops' occlusion culler under a setting (#13352)
* Add occlusion_culler setting to minetest.conf.example * Add raytraced occlusion culling to 'loops' algorithm --------- Co-authored-by: sfan5 <sfan5@live.de>
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@ -629,6 +629,11 @@ update_last_checked (Last update check) string
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# Ex: 5.5.0 is 005005000
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update_last_known (Last known version update) int 0
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# Type of occlusion_culler
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# "loops" is the legacy algorithm with nested loops and O(N^3) complexity
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# "bfs" is the new algorithm based on breadth-first-search and side culling
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occlusion_culler (Occlusion Culler) enum bfs bfs,loops
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# Use raytraced occlusion culling in the new culler.
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# This flag enables use of raytraced occlusion culling test for
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# client mesh sizes smaller than 4x4x4 map blocks.
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@ -695,6 +695,12 @@
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# type: int
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# update_last_known = 0
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# Type of occlusion_culler
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# "loops" is the legacy algorithm with nested loops and O(N^3) complexity
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# "bfs" is the new algorithm based on breadth-first-search and side culling
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# type: enum values: bfs, loops
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# occlusion_culler = bfs
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# Use raytraced occlusion culling in the new culler.
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# This flag enables use of raytraced occlusion culling test
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# type: bool
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@ -103,18 +103,23 @@ ClientMap::ClientMap(
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m_cache_bilinear_filter = g_settings->getBool("bilinear_filter");
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m_cache_anistropic_filter = g_settings->getBool("anisotropic_filter");
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m_cache_transparency_sorting_distance = g_settings->getU16("transparency_sorting_distance");
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m_loops_occlusion_culler = g_settings->get("occlusion_culler") == "loops";
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g_settings->registerChangedCallback("occlusion_culler", on_settings_changed, this);
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m_enable_raytraced_culling = g_settings->getBool("enable_raytraced_culling");
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g_settings->registerChangedCallback("enable_raytraced_culling", on_settings_changed, this);
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}
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void ClientMap::onSettingChanged(const std::string &name)
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{
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if (name == "occlusion_culler")
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m_loops_occlusion_culler = g_settings->get("occlusion_culler") == "loops";
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if (name == "enable_raytraced_culling")
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m_enable_raytraced_culling = g_settings->getBool("enable_raytraced_culling");
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}
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ClientMap::~ClientMap()
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{
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g_settings->deregisterChangedCallback("occlusion_culler", on_settings_changed, this);
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g_settings->deregisterChangedCallback("enable_raytraced_culling", on_settings_changed, this);
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}
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@ -298,7 +303,7 @@ void ClientMap::updateDrawList()
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When range_all is enabled, enumerate all blocks visible in the
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frustum and display them.
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*/
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if (m_control.range_all) {
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if (m_control.range_all || m_loops_occlusion_culler) {
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MapBlockVect sectorblocks;
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for (auto §or_it : m_sectors) {
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@ -339,6 +344,14 @@ void ClientMap::updateDrawList()
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continue;
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}
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// Raytraced occlusion culling - send rays from the camera to the block's corners
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if (occlusion_culling_enabled && m_enable_raytraced_culling &&
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mesh &&
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isMeshOccluded(block, mesh_grid.cell_size, cam_pos_nodes)) {
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blocks_occlusion_culled++;
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continue;
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}
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if (mesh_grid.cell_size > 1) {
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// Block meshes are stored in the corner block of a chunk
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// (where all coordinate are divisible by the chunk size)
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@ -582,6 +595,9 @@ void ClientMap::updateDrawList()
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void ClientMap::touchMapBlocks()
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{
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if (!m_loops_occlusion_culler)
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return;
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v3s16 cam_pos_nodes = floatToInt(m_camera_position, BS);
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v3s16 p_blocks_min;
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@ -215,6 +215,6 @@ private:
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bool m_cache_anistropic_filter;
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u16 m_cache_transparency_sorting_distance;
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bool m_new_occlusion_culler;
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bool m_loops_occlusion_culler;
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bool m_enable_raytraced_culling;
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};
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@ -65,6 +65,7 @@ void set_default_settings()
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settings->setDefault("max_out_chat_queue_size", "20");
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settings->setDefault("pause_on_lost_focus", "false");
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settings->setDefault("enable_split_login_register", "true");
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settings->setDefault("occlusion_culler", "bfs");
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settings->setDefault("enable_raytraced_culling", "true");
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settings->setDefault("chat_weblink_color", "#8888FF");
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