Add a replay speed option so that we can watch the replay in action.

src/tools/framerate_limiter.cpp

@@ -6,6 +6,11 @@ cFramerateLimiter::cFramerateLimiter(int desired_fps)
 
 }
 
+cFramerateLimiter::cFramerateLimiter(double desired_fps)
+: desired_microseconds_per_frame { static_cast<int>(1000000 / desired_fps) } {
+	
+}
+
 void cFramerateLimiter::frame_finished() {
 	const sf::Int64 remaining_time_budget = this->desired_microseconds_per_frame - this->clock.getElapsedTime().asMicroseconds();
 	if(remaining_time_budget > 0) sf::sleep(sf::microseconds(remaining_time_budget));

src/tools/framerate_limiter.hpp

@@ -6,8 +6,9 @@
 
 class cFramerateLimiter {
 public:
-	
-	cFramerateLimiter(int desired_fps = 60);
+	static const int DEFAULT_FPS = 60;
+	cFramerateLimiter(int desired_fps = DEFAULT_FPS);
+	cFramerateLimiter(double desired_fps);
 	
 	void frame_finished();
 	

src/tools/replay.cpp

@@ -8,7 +8,9 @@
 #include <fstream>
 #include <sstream>
 #include <boost/algorithm/string/predicate.hpp>
+#include <boost/optional.hpp>
 #include <cppcodec/base64_rfc4648.hpp>
+#include "tools/framerate_limiter.hpp"
 using base64 = cppcodec::base64_rfc4648;
 
 bool recording = false;
@@ -18,6 +20,7 @@ using namespace ticpp;
 Document log_document;
 std::string log_file;
 Element* next_action;
+boost::optional<cFramerateLimiter> replay_fps_limit;
 
 bool init_action_log(std::string command, std::string file) {
 	if(command == "record-unique") {
@@ -108,9 +111,12 @@ Element& pop_next_action(std::string expected_action_type) {
 	}
 
 	Element* to_return = next_action;
-	
 	next_action = next_action->NextSiblingElement(false);
 	
+	if(replay_fps_limit.has_value()) {
+		replay_fps_limit->frame_finished();
+	}
+	
 	return *to_return;
 }