From 751a2d391bfcba238abd0ba9037f7f1cf12896c3 Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Sat, 6 Feb 2010 11:17:09 +0000
Subject: [PATCH] Draw an arrow on points

---
 src/Points.cpp | 27 +++++++++++++++++++++++++++
 src/Train.cpp  |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/Points.cpp b/src/Points.cpp
index 3f93d93..7f33fdd 100644
--- a/src/Points.cpp
+++ b/src/Points.cpp
@@ -46,6 +46,7 @@ public:
 private:
     void transform(const track::TravelToken& aToken, double aDelta) const;
     void ensureValidDirection(track::Direction aDirection) const;
+    void renderArrow() const;
 
     Point<int> displacedEndpoint() const;
     Point<int> straightEndpoint() const;
@@ -76,6 +77,28 @@ Points::Points(track::Direction aDirection, bool reflect)
    
 }
 
+void Points::renderArrow() const
+{
+    glPushMatrix();
+    glPushAttrib(GL_ENABLE_BIT);
+
+    glTranslatef(0.0f, 0.1f, 0.0f);
+
+    //glDisable(GL_CULL_FACE);
+
+    glEnable(GL_BLEND);
+    glColor4f(0.0f, 0.1f, 0.8f, 0.6f);
+    glBegin(GL_QUADS);
+    glVertex3f(-0.5f, 0.0f, 0.1f);
+    glVertex3f(0.5f, 0.0f, 0.1f);
+    glVertex3f(0.5f, 0.0f, -0.1f);
+    glVertex3f(-0.5f, 0.0f, -0.1f);
+    glEnd();
+
+    glPopAttrib();
+    glPopMatrix();
+}
+
 void Points::render() const
 {
     static IMeshPtr railMesh = makeBezierRailMesh(myCurve);
@@ -123,13 +146,17 @@ void Points::render() const
     }
    
     // Draw the straight sleepers
+    glPushMatrix();
     glTranslatef(-0.4f, 0.0f, 0.0f);
    
     for (int i = 0; i < 12; i++) {
 	renderSleeper();
 	glTranslatef(0.25f, 0.0f, 0.0f);
     }
+    glPopMatrix();
    
+    renderArrow();
+
     glPopMatrix();
 }
 
diff --git a/src/Train.cpp b/src/Train.cpp
index 845a627..2078e68 100644
--- a/src/Train.cpp
+++ b/src/Train.cpp
@@ -338,7 +338,7 @@ void Train::update(int aDelta)
 
     velocityVector = partPosition(engine()) - oldPos;
 
-    dumpFollowQueue();
+    //dumpFollowQueue();
 }
 
 // Called when the train enters a new segment
-- 
2.39.2