Add an active object step time budget #6721

This can be set via the active_object_interval option.

1 files changed, 8 insertions, 2 deletions

diff --git a/src/util/numeric.h b/src/util/numeric.h
index 8ee2d585c..be3e49c56 100644
--- a/src/util/numeric.h
+++ b/src/util/numeric.h
@@ -230,7 +230,7 @@ inline u32 calc_parity(u32 v)
 u64 murmur_hash_64_ua(const void *key, int len, unsigned int seed);
 
 bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir,
-		f32 camera_fov, f32 range, f32 *distance_ptr=NULL);
+		f32 camera_fov, f32 range, f32 *distance_ptr = NULL);
 
 s16 adjustDist(s16 dist, float zoom_fov);
 
@@ -291,18 +291,24 @@ public:
 		return value:
 			true: action should be skipped
 			false: action should be done
+		if passed, the elapsed time since this method last returned true
+		is written to elapsed_ptr
 	*/
-	bool step(float dtime, float wanted_interval)
+	bool step(float dtime, float wanted_interval, float *elapsed_ptr = NULL)
 	{
 		m_accumulator += dtime;
+		if (elapsed_ptr)
+			*elapsed_ptr = m_accumulator - m_last_accumulator;
 		if (m_accumulator < wanted_interval)
 			return false;
 		m_accumulator -= wanted_interval;
+		m_last_accumulator = m_accumulator;
 		return true;
 	}
 
 private:
 	float m_accumulator = 0.0f;
+	float m_last_accumulator = 0.0f;
 };