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Horz+ Widescreen support in the renderer

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leilei-
2014-03-17 01:19:33 -04:00
parent eee676120c
commit 9d43ff7e6c
1 changed files with 19 additions and 0 deletions
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19
code/renderer_oa/tr_scene.c
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@@ -390,6 +390,25 @@ void RE_RenderScene( const refdef_t *fd ) {
parms.fovX = tr.refdef.fov_x;
parms.fovY = tr.refdef.fov_y;
// leilei - widescreen
// recalculate fov according to widescreen parameters
{
float zoomfov = tr.refdef.fov_x / 90; // figure out our zoom or changed fov magnitiude from cg_fov and cg_zoomfov
// try not to recalculate fov of ui and hud elements
if (((tr.refdef.fov_x / tr.refdef.fov_y) > 1.3) && (tr.refdef.width > 320) && (tr.refdef.height > 240))
{
// undo vert-
parms.fovY = parms.fovY * (73.739792 / tr.refdef.fov_y) * zoomfov;
// recalculate the fov
parms.fovX = (atan (glConfig.vidWidth / (glConfig.vidHeight / tan ((parms.fovY * M_PI) / 360.0f))) * 360.0f) / M_PI;
parms.fovY = (atan (glConfig.vidHeight / (glConfig.vidWidth / tan ((parms.fovX * M_PI) / 360.0f))) * 360.0f) / M_PI;
}
}
// leilei - end
parms.stereoFrame = tr.refdef.stereoFrame;
VectorCopy( fd->vieworg, parms.or.origin );