From 27345ec20eebccd070287b89cdefb4e4381af5cf Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sat, 23 Feb 2008 19:48:13 +0000
Subject: sv_framerate and cl_framerate

---
 src/client/chat.cc         |  8 +++++---
 src/client/client.cc       | 39 ++++++++++++++++++++++-----------------
 src/core/application.cc    |  4 ++--
 src/core/entity.cc         | 12 ++++++++----
 src/core/gameconnection.cc |  2 ++
 src/server/server.cc       | 19 +++++++++----------
 6 files changed, 48 insertions(+), 36 deletions(-)

(limited to 'src')

diff --git a/src/client/chat.cc b/src/client/chat.cc
index 4e7416f..8d5e94c 100644
--- a/src/client/chat.cc
+++ b/src/client/chat.cc
@@ -73,9 +73,11 @@ void draw()
 	
 	// draw the console input	
 	gl::enable(GL_TEXTURE_2D);
-	gl::color(0.0f, 1.0f, 0.0f, 1.0f);
-	draw_text(CHARWIDTH , 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), "Say:");
-	
+	gl::color(1.0f, 1.0f, 1.0f, 1.0f);
+	draw_text(CHARWIDTH , 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), "say");
+	gl::color(0.0f, 1.0f, .0f, 1.0f);
+	draw_text(CHARWIDTH*4 , 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), ":");
+
 	gl::color(1.0f, 1.0f, 1.0f, 1.0f);
 	draw_text(CHARWIDTH*6, 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), (*history_pos));
 
diff --git a/src/client/client.cc b/src/client/client.cc
index 33b3a04..a25b958 100644
--- a/src/client/client.cc
+++ b/src/client/client.cc
@@ -23,6 +23,8 @@
 namespace client 
 {
 
+core::Cvar *cl_framerate = 0;
+
 //--- private definition ------------------------------------------
 /// client application implementation
 class Client : public core::Application
@@ -90,6 +92,7 @@ void Client::init()
 	// client variables
 	core::Cvar::get("cl_name", "Player", core::Cvar::Archive);
 	core::Cvar::get("cl_color", "1.0 1.0 1.0", core::Cvar::Archive);
+	cl_framerate = core::Cvar::get("cl_framerate", "0");
 
 	// initialize SDL, but do not initialize any subsystems
 	SDL_Init(0);
@@ -115,28 +118,30 @@ void Client::run()
 {
 	con_print << "Running client..." << std::endl;
 
-	Uint32 chrono = SDL_GetTicks();
+	
+	
+	Uint32 client_framerate =  (Uint32)(1000/120);
+	Uint32 elapsed = 0;
 
 	while (true) {
-		Uint32 current = SDL_GetTicks();
+		if (cl_framerate->value())
+			client_framerate = (Uint32) (1000.0f / cl_framerate->value());
 
-		// overflow protection ~49 days
-		if (current < chrono) {
-			chrono = current;
-		}
+		Uint32 chrono = SDL_GetTicks();
 
-		// run a core frame
-		float seconds = ((float)(current - chrono)) / 1000.0f;
-		core::Application::frame(seconds);
-		
-		// run a video frame
-		video::frame(seconds);
+		core::Application::frame((float)elapsed / 1000.0f);
+		video::frame((float)elapsed / 1000.0f);
+		input::frame((float)elapsed / 1000.0f);
 		
-		// process input
-		input::frame(seconds);
-		
-		// update the main loop chronometer
-		chrono = current;
+		// sleep
+		Uint32 current = SDL_GetTicks();
+
+		elapsed = current - chrono;
+
+		if (elapsed < client_framerate) {
+			SDL_Delay(client_framerate - elapsed);
+			elapsed = client_framerate;
+		}
 	}
 
 }
diff --git a/src/core/application.cc b/src/core/application.cc
index 7d6f62a..358c655 100644
--- a/src/core/application.cc
+++ b/src/core/application.cc
@@ -263,12 +263,12 @@ void Application::frame(float seconds)
 	// execute commands in the buffer
 	CommandBuffer::exec();
 
+	application_time += seconds;
+	
 	// don't run zero lenght time frames
 	if (seconds == 0.0f)
 		return;
 
-	application_time += seconds;
-
 	if (!connected())
 		return;
 	
diff --git a/src/core/entity.cc b/src/core/entity.cc
index 4cce2cb..a0da4ea 100644
--- a/src/core/entity.cc
+++ b/src/core/entity.cc
@@ -295,14 +295,18 @@ void EntityControlable::frame(float seconds)
 
 void EntityControlable::set_thrust(float thrust)
 {
-	target_thrust = thrust;
-	entity_dirty = true;
+	if (!(thrust == target_thrust)) {
+		target_thrust = thrust;
+		entity_dirty = true;
+	}
 }
 
 void EntityControlable::set_direction(float direction)
 {
-	target_direction = direction;
-	entity_dirty = true;
+	if (!(target_direction == direction)) {
+		target_direction = direction;
+		entity_dirty = true;
+	}
 }
 
 }
diff --git a/src/core/gameconnection.cc b/src/core/gameconnection.cc
index 07a27a6..4c31f78 100644
--- a/src/core/gameconnection.cc
+++ b/src/core/gameconnection.cc
@@ -94,6 +94,7 @@ void GameConnection::frame(float seconds)
 		connection_frametime += seconds;
 		f =  1.0f / core::Cvar::sv_framerate->value();
 		if (connection_frametime < f) {
+			/*
 			// run client prediction
 			std::map<unsigned int, Entity *>::iterator it;
 			for (it=Entity::registry.begin(); it != Entity::registry.end(); it++) {
@@ -102,6 +103,7 @@ void GameConnection::frame(float seconds)
 					entity->frame(seconds);
 				}
 			}
+			*/
 			return;
 		}
 	} else {
diff --git a/src/server/server.cc b/src/server/server.cc
index c07be52..d68d278 100644
--- a/src/server/server.cc
+++ b/src/server/server.cc
@@ -64,24 +64,23 @@ void Server::init()
 
 void Server::run()
 {
-	float server_framerate =  1.0f / 20.0f;
+	float server_framerate =  1.0f / 25.0f;
+
 	if (core::Cvar::sv_framerate->value())
 		server_framerate = 1.0f / core::Cvar::sv_framerate->value();
 
 	server::Timer timer;
+	float elapsed = 0;
 
 	while(true) {
 		timer.mark();
-		frame(server_framerate);
-		float elapsed = timer.elapsed();
-
-		float sleeptime = server_framerate - elapsed;
-		if (sleeptime <0)
-			sleeptime = 0;
+		frame(elapsed);
+		elapsed = timer.elapsed();
 
-		sys::sleep(sleeptime);
-		
-		
+		if  (elapsed < server_framerate) {
+			sys::sleep(server_framerate - elapsed);
+			elapsed = server_framerate;
+		}
 	}
 	
 }
-- 
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