X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=mercenary-reloaded.git;a=blobdiff_plain;f=src%2Flibovr%2Fovr.c;h=62c2a03b4572dfdae43832eb00c1e10f77921186;hp=79fd8742a559dc86309ffdb81800fc515f08abe0;hb=b2cc4449430eba1840dde2c85d192b7305f11074;hpb=78d699f1ba5e77c593a451f75f98140a503c9eda

diff --git a/src/libovr/ovr.c b/src/libovr/ovr.c
index 79fd874..62c2a03 100755
--- a/src/libovr/ovr.c
+++ b/src/libovr/ovr.c
@@ -99,6 +99,12 @@ static ovrEyeRenderDesc eyeRenderDesc[2];
 static ovrPosef hmdToEyeViewPose[2];
 static ovrLayerEyeFov layer;
 static long long frameIndex = 0;
+static double observer_x = 0.0;
+static double observer_x_normalize = 0.0;
+static double observer_y = 0.0;
+static double observer_y_normalize = 0.0;
+static double observer_z = 0.0;
+static double observer_z_normalize = 0.0;
 
 int init_ovr(void)
 {
@@ -240,6 +246,14 @@ void begin_render_ovr_eye(int eye)
 	y = layer.RenderPose[eye].Position.y;
 	z = layer.RenderPose[eye].Position.z;
 
+	/* normalize height to game's observer, if requrested by user */
+	observer_x = x;
+	x += observer_x_normalize;
+	observer_y = y;
+	y += observer_y_normalize;
+	observer_z = z;
+	z += observer_z_normalize;
+
 	glRotatef(-roll / M_PI * 180.0,0,0,1);
 	glRotatef(-pitch / M_PI * 180.0,1,0,0);
 	glRotatef(-yaw / M_PI * 180.0,0,1,0);
@@ -314,6 +328,13 @@ void render_mirror_ovr(int view_width, int view_height)
 	glDisable(GL_TEXTURE_2D);
 }
 
+void normalize_observer_ovr(void)
+{
+	observer_x_normalize = -observer_x;
+	observer_y_normalize = -observer_y;
+	observer_z_normalize = -observer_z;
+}
+
 void exit_ovr(void)
 {
 	int eye;