Occlusion culling algorithm based on recursive descend (#13104)

[minetest.git] / src / client / game.cpp

diff --git a/src/client/game.cpp b/src/client/game.cpp
index 078998bf77e347df8cf98815a2efc50034870576..3f76d2e05d48ddc281a34c0c5040dc638c38b2b3 100644 (file)
--- a/src/client/game.cpp
+++ b/src/client/game.cpp
@@ -696,6 +696,7 @@ struct GameRunData {
 
        float damage_flash;
        float update_draw_list_timer;
+       float touch_blocks_timer;
 
        f32 fog_range;
 
@@ -4030,6 +4031,9 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
                changed much
        */
        runData.update_draw_list_timer += dtime;
+       runData.touch_blocks_timer += dtime;
+
+       bool draw_list_updated = false;
 
        float update_draw_list_delta = 0.2f;
 
@@ -4041,6 +4045,12 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
                runData.update_draw_list_timer = 0;
                client->getEnv().getClientMap().updateDrawList();
                runData.update_draw_list_last_cam_dir = camera_direction;
+               draw_list_updated = true;
+       }
+
+       if (runData.touch_blocks_timer > update_draw_list_delta && !draw_list_updated) {
+               client->getEnv().getClientMap().touchMapBlocks();
+               runData.touch_blocks_timer = 0;
        }
 
        if (RenderingEngine::get_shadow_renderer()) {