Better game timing and better FPS/TPS display.

1 files changed, 21 insertions, 3 deletions

diff --git a/src/common.hpp b/src/common.hpp
index 1cd1921..bb95f0e 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -40,6 +40,27 @@ extern bool debug_AI;
 typedef uint64_t ntime_t;
 ntime_t nclock(void);
 
+class freq_counter_t {
+	ntime_t *samples;
+	size_t num_samples, collected = 0;
+	ntime_t last_tick = 0;
+
+	float last_ma;
+	ntime_t last_ma_time = 0;
+
+	void push(ntime_t sample);
+
+public:
+	freq_counter_t(size_t num_samples_);
+	~freq_counter_t(void);
+
+	void tick(void);
+	float freq_ma(void);
+};
+
+extern freq_counter_t fc_render;
+extern freq_counter_t fc_game;
+
 namespace procgen {
 	class prng_t {
 		uint32_t state = 0;
@@ -351,9 +372,6 @@ namespace interface {
 
 		std::list<log_entry_t> log;
 
-		double perf_hist[10] = {0};
-		size_t perf_hist_index = 0;
-
 		void start_following(void);
 		void stop_following(void);