From 513bfb8d9cf3c246dd15cf67b8a5ff9c7a6f9afe Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 8 Jun 2008 16:02:52 +0000
Subject: enable client prediction

---
 src/core/gameinterface.cc | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'src/core/gameinterface.cc')

diff --git a/src/core/gameinterface.cc b/src/core/gameinterface.cc
index f50c1cc..cfa557b 100644
--- a/src/core/gameinterface.cc
+++ b/src/core/gameinterface.cc
@@ -128,17 +128,23 @@ void GameInterface::update_entity_clientstate(Entity *entity)
 		entity->entity_clientstate->assign(entity);
 	}
 
-	if (!(entity->flags() & core::Entity::Static))
+	if(Cvar::cl_prediction->value() == 0) {
+
+		entity->state()->state_axis.assign(entity->axis());
+		entity->state()->state_location.assign(entity->location());
 		return;
+	}
+
+	if (!(entity->flags() & core::Entity::Static)) {
 
-	if (game_clientframetime < game_serverframetime) {
+		// clientstate location
+		entity->state()->state_location = entity->state()->previouslocation() + 
+		(entity->location() - entity->state()->previouslocation()) * timeoffset();
+
+		if (game_clientframetime < game_serverframetime) {
 		
-		if (!(entity->flags() & core::Entity::Static)) {
-	
-			// clientstate location
-			entity->state()->state_location = entity->state()->previouslocation() + 
-			(entity->location() - entity->state()->previouslocation()) * timeoffset();
-	
+			//FIXME this is hopelessly broken
+
 			// http://local.wasp.uwa.edu.au/~pbourke/geometry/planeline/
 			float cosangle;
 			float angle;
@@ -164,7 +170,7 @@ void GameInterface::update_entity_clientstate(Entity *entity)
 	
 			l = p.length();
 			if ((fabs(side) - MIN_DELTA > 0)) {
-				cosangle = math::dotproduct(p, entity->state()->axis().up());		
+                                                            				cosangle = math::dotproduct(p, entity->state()->axis().up());		
 				if (fabs(cosangle) + MIN_DELTA < 1 ) {
 					angle = acos(cosangle) * 180.0f / M_PI;
 					angle = math::sgnf(side) * angle *  timeoffset();
@@ -216,15 +222,20 @@ void GameInterface::update_entity_clientstate(Entity *entity)
 				}
 			}
 			
+		} else {
+			entity->state()->state_axis.assign(entity->axis());
 		}
 	
 	} else {
+
 		entity->state()->assign(entity);
 	}
 }
 
 void GameInterface::update_clientstate(float seconds)
 {
+	game_clientframetime += seconds;
+
 	std::map<unsigned int, core::Entity *>::iterator it;
 	for (it=core::Entity::registry.begin(); it != core::Entity::registry.end(); it++) {
 		update_entity_clientstate((*it).second);
@@ -233,8 +244,8 @@ void GameInterface::update_clientstate(float seconds)
 
 float GameInterface::timeoffset() {
 
-	if (game_clientframetime > game_serverframetime)
-		return 1;
+	//if (game_clientframetime > game_serverframetime)
+	//	return 1;
 
 	float d = game_serverframetime - game_previousframetime;
 	if (d <= 0)
-- 
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