From c672417725e2804d8a7a6fdfc0aa8da6e40b7a05 Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Tue, 22 Jul 2003 23:46:11 +0000
Subject: [PATCH] Add gear animation effects to replay.

---
 src/Network/native_fdm.cxx | 20 ++++++++++++++++----
 src/Network/net_fdm.hxx    |  5 ++++-
 src/Replay/replay.cxx      | 10 ++++++++--
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/Network/native_fdm.cxx b/src/Network/native_fdm.cxx
index 44adfdeec..281ee8df5 100644
--- a/src/Network/native_fdm.cxx
+++ b/src/Network/native_fdm.cxx
@@ -183,6 +183,9 @@ void FGProps2NetFDM( FGNetFDM *net, bool net_byte_order ) {
     for (i = 0; i < net->num_wheels; ++i ) {
         SGPropertyNode *node = fgGetNode("/gear/gear", i, true);
         net->wow[i] = node->getDoubleValue("wow");
+        net->gear_pos[i] = node->getDoubleValue("position-norm");
+        net->gear_steer[i] = node->getDoubleValue("steering-norm");
+        net->gear_compression[i] = node->getDoubleValue("compression-norm");
     }
 
     // the following really aren't used in this context
@@ -246,6 +249,9 @@ void FGProps2NetFDM( FGNetFDM *net, bool net_byte_order ) {
 
         for ( i = 0; i < net->num_wheels; ++i ) {
             net->wow[i] = htonl(net->wow[i]);
+            net->gear_pos[i] = htonl(net->gear_pos[i]);
+            net->gear_steer[i] = htonl(net->gear_steer[i]);
+            net->gear_compression[i] = htonl(net->gear_compression[i]);
         }
         net->num_wheels = htonl(net->num_wheels);
 
@@ -312,8 +318,12 @@ void FGNetFDM2Props( FGNetFDM *net, bool net_byte_order ) {
         }
 
         net->num_wheels = htonl(net->num_wheels);
-        // I don't need to convert the Wow flags, since they are one
-        // byte in size
+        for ( i = 0; i < net->num_wheels; ++i ) {
+            net->wow[i] = htonl(net->wow[i]);
+            net->gear_pos[i] = htonl(net->gear_pos[i]);
+            net->gear_steer[i] = htonl(net->gear_steer[i]);
+            net->gear_compression[i] = htonl(net->gear_compression[i]);
+        }
 
         net->cur_time = ntohl(net->cur_time);
         net->warp = ntohl(net->warp);
@@ -389,9 +399,11 @@ void FGNetFDM2Props( FGNetFDM *net, bool net_byte_order ) {
 	}
 
 	for (i = 0; i < net->num_wheels; ++i ) {
-	    SGPropertyNode * node
-		= fgGetNode("/gear/gear", i, true);
+	    SGPropertyNode * node = fgGetNode("/gear/gear", i, true);
 	    node->setDoubleValue("wow", net->wow[i] );
+	    node->setDoubleValue("position-norm", net->gear_pos[i] );
+	    node->setDoubleValue("steering-norm", net->gear_steer[i] );
+	    node->setDoubleValue("compression-norm", net->gear_compression[i] );
 	}
 
 	/* these are ignored for now  ... */
diff --git a/src/Network/net_fdm.hxx b/src/Network/net_fdm.hxx
index e2321d489..bec4df81d 100644
--- a/src/Network/net_fdm.hxx
+++ b/src/Network/net_fdm.hxx
@@ -32,7 +32,7 @@
 
 #include <time.h> // time_t
 
-const int FG_NET_FDM_VERSION = 12;
+const int FG_NET_FDM_VERSION = 13;
 
 
 // Define a structure containing the top level flight dynamics model
@@ -105,6 +105,9 @@ public:
     // Gear status
     int num_wheels;
     bool wow[FG_MAX_WHEELS];
+    float gear_pos[FG_MAX_WHEELS];
+    float gear_steer[FG_MAX_WHEELS];
+    float gear_compression[FG_MAX_WHEELS];
 
     // Environment
     time_t cur_time;            // current unix time
diff --git a/src/Replay/replay.cxx b/src/Replay/replay.cxx
index 88fc73707..fbe841baa 100644
--- a/src/Replay/replay.cxx
+++ b/src/Replay/replay.cxx
@@ -280,8 +280,14 @@ static FGReplayData interpolate( double time, FGReplayData f1, FGReplayData f2 )
 
     // Gear status
     for ( i = 0; i < fdm1.num_wheels; ++i ) {
-        result.fdm.wow[i]
-            = weight( fdm1.wow[i], fdm2.wow[i], ratio );
+        result.fdm.wow[i] = weight( fdm1.wow[i], fdm2.wow[i], ratio );
+        result.fdm.gear_pos[i]
+            = weight( fdm1.gear_pos[i], fdm2.gear_pos[i], ratio );
+        result.fdm.gear_steer[i]
+            = weight( fdm1.gear_steer[i], fdm2.gear_steer[i], ratio );
+        result.fdm.gear_compression[i]
+            = weight( fdm1.gear_compression[i], fdm2.gear_compression[i],
+                      ratio );
     }
 
     // Environment
-- 
2.39.5