Move stereo reversing code so that it works for all stereo modes.

Fix anaglyph which was accidentally reversed.

diff --git a/Source/GameDraw.cpp b/Source/GameDraw.cpp
index ba527aaa8098bf72bceb93b5158197d909375a4a..3e076067f232acdf3e68ed03e0bc61688ffb0e3a 100644 (file)
--- a/Source/GameDraw.cpp
+++ b/Source/GameDraw.cpp
@@ -232,18 +232,14 @@ int Game::DrawGLScene(StereoSide side)
 
        if ( stereomode == stereoAnaglyph ) {
                switch(side) {
-                       case stereoLeft: glColorMask( 1.0, 0.0, 0.0, 1.0 ); break;
-                       case stereoRight: glColorMask( 0.0, 1.0, 1.0, 1.0 ); break;
+                       case stereoLeft: glColorMask( 0.0, 1.0, 1.0, 1.0 ); break;
+                       case stereoRight: glColorMask( 1.0, 0.0, 0.0, 1.0 ); break;
                }
        } else {
                glColorMask( 1.0, 1.0, 1.0, 1.0 );
                
                if ( stereomode == stereoHorizontalInterlaced || stereomode == stereoVerticalInterlaced ) {
-                       if (!stereoreverse) {
-                               glStencilFunc(side == stereoLeft ? GL_NOTEQUAL : GL_EQUAL, 0x01, 0x01);
-                       } else {
-                               glStencilFunc(side == stereoLeft ? GL_EQUAL : GL_NOTEQUAL, 0x01, 0x01);
-                       }
+                       glStencilFunc(side == stereoLeft ? GL_NOTEQUAL : GL_EQUAL, 0x01, 0x01);
                }
        }
 
@@ -362,7 +358,9 @@ int Game::DrawGLScene(StereoSide side)
                glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
                glLoadIdentity ();
                
-               glTranslatef((stereoseparation/2) * side, 0, 0);
+               // Move the camera for the current eye's point of view.
+               // Reverse the movement if we're reversing stereo
+               glTranslatef((stereoseparation/2) * side * (stereoreverse  ? -1 : 1), 0, 0);
                
                if(!cameramode&&!freeze&&!winfreeze){
                        glRotatef(float(Random()%100)/10*camerashake/*+(woozy*woozy)/10*/,0,0,1);