From bd72091150edac9d82beb8a65c25d68becd11aee Mon Sep 17 00:00:00 2001
From: JacobF <queatz@gmail.com>
Date: Tue, 23 Aug 2011 22:10:19 -0400
Subject: [PATCH] Pause in unloaded territory instead of collide

---
 src/environment.cpp |  7 ++++++-
 src/player.cpp      | 20 +++++++++++++++++---
 src/player.h        |  1 +
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/environment.cpp b/src/environment.cpp
index d6ff4d826..8103b7110 100644
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -1512,6 +1512,11 @@ void ClientEnvironment::step(float dtime)
 		Get the speed the player is going
 	*/
 	bool is_climbing = lplayer->is_climbing;
+	
+	/*
+		Check if the player is frozen (don't apply physics)
+	*/
+	bool is_frozen = lplayer->is_frozen;
 
 	f32 player_speed = 0.001; // just some small value
 	player_speed = lplayer->getSpeed().getLength();
@@ -1570,7 +1575,7 @@ void ClientEnvironment::step(float dtime)
 			v3f lplayerpos = lplayer->getPosition();
 			
 			// Apply physics
-			if(free_move == false && is_climbing == false)
+			if(free_move == false && is_climbing == false && is_frozen == false)
 			{
 				// Gravity
 				v3f speed = lplayer->getSpeed();
diff --git a/src/player.cpp b/src/player.cpp
index d59ae7049..7cfdfebb6 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -330,7 +330,18 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
 	/*
 		Calculate new position
 	*/
-	position += m_speed * dtime;
+	if(is_frozen) {
+		// Still move very slowly so as not to feel all completely stuck
+		position += m_speed * dtime * 0.001;
+	}
+	else {
+		position += m_speed * dtime;
+	}
+	
+	/*
+		If the player enters an unloaded chunk this is set to true.
+	*/
+	is_frozen = false;
 
 	// Skip collision detection if a special movement mode is used
 	bool free_move = g_settings.getBool("free_move");
@@ -503,8 +514,11 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
 		}
 		catch(InvalidPositionException &e)
 		{
-			// Doing nothing here will block the player from
-			// walking over map borders
+			if(!is_frozen) {
+				// freeze when entering unloaded areas
+				is_frozen = true;
+			}
+			continue;
 		}
 
 		core::aabbox3d<f32> nodebox = getNodeBox(v3s16(x,y,z), BS);
diff --git a/src/player.h b/src/player.h
index 9a6ad93bf..13cffa205 100644
--- a/src/player.h
+++ b/src/player.h
@@ -142,6 +142,7 @@ public:
 	bool in_water_stable;
 	bool is_climbing;
 	bool swimming_up;
+	bool is_frozen;
 	
 	Inventory inventory;
 	// Actual inventory is backed up here when creative mode is used
-- 
2.25.1