void gfx_body_render_first_person (GfxPipeline *p, bool alpha_blend)
{
// Gbuffer stores depth from 0 to 1 (cam to far clip plane), so we could render first person
// bodies into the gbuffer even though they have different clip planes. However I think this
// would have shadow artifacts. So instead, I'll treat it as a point when lighting it, i.e.
// sample shadow buffer at a point and intersect the camera with the point lights to determine
// the ones that should be used to light us.
Ogre::Frustum frustum; // Used to calculate projection matrix.
frustum.setFOVy(Ogre::Degree(p->getCameraOpts().fovY));
frustum.setAspectRatio(p->getCamera()->getAspectRatio());
frustum.setNearClipDistance(gfx_option(GFX_FIRST_PERSON_NEAR_CLIP));
frustum.setFarClipDistance(gfx_option(GFX_FIRST_PERSON_FAR_CLIP));
// No 3d effect on first person objects (TODO: I think that's right, need to actually verify)
frustum.setFrustumOffset(0);
frustum.setFocalLength(1);
GfxShaderGlobals g =
gfx_shader_globals_cam(p, frustum.getProjectionMatrix());
// Render, to HDR buffer
// TODO: receive shadow
// TODO: instancing
for (const auto &body : first_person_bodies) {
body->renderFirstPerson(g, alpha_blend);
}
}
void gfx_decal_render (GfxPipeline *p)
{
GfxShaderGlobals g = gfx_shader_globals_cam(p);
for (GfxDecal *decal : all_decals) {
decal->render(g);
}
}
