void get_ah64a_eo_centred_viewpoint (viewpoint *vp)
{
entity
*source;
object_3d_instance
*inst3d;
object_3d_sub_object_search_data
search;
ASSERT (vp);
source = get_gunship_entity ();
inst3d = (object_3d_instance *) get_local_entity_ptr_value (source, PTR_TYPE_INSTANCE_3D_OBJECT);
ASSERT (inst3d);
get_local_entity_vec3d (source, VEC3D_TYPE_POSITION, &inst3d->vp.position);
get_local_entity_attitude_matrix (source, inst3d->vp.attitude);
search.search_depth = 0;
search.search_object = inst3d;
search.sub_object_index = OBJECT_3D_SUB_OBJECT_AH64D_TADS_HEADING;
if (find_object_3d_sub_object (&search) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
get_3d_sub_object_world_viewpoint (search.result_sub_object, vp);
}
else
{
//
// can happpen if the object is being destroyed
//
memcpy (&vp->position, &inst3d->vp.position, sizeof (vec3d));
debug_log ("OBJECT_3D_SUB_OBJECT_AH64D_TADS_HEADING missing from Apache");
}
memcpy (&vp->attitude, &inst3d->vp.attitude, sizeof (matrix3x3));
}
void get_kiowa_crew_viewpoint (void)
{
object_3d_sub_object_search_data
search_head,
search_viewpoint;
viewpoint
vp;
float
head_pitch_datum;
//
// select head
//
if (get_local_entity_int_value (get_pilot_entity (), INT_TYPE_CREW_ROLE) == CREW_ROLE_PILOT)
{
search_head.sub_object_index = OBJECT_3D_SUB_OBJECT_PILOT_HEAD;
search_viewpoint.sub_object_index = OBJECT_3D_SUB_OBJECT_PILOT_VIEWPOINT;
head_pitch_datum = pilot_head_pitch_datum;
}
else
{
search_head.sub_object_index = OBJECT_3D_SUB_OBJECT_WSO_HEAD;
search_viewpoint.sub_object_index = OBJECT_3D_SUB_OBJECT_WSO_VIEWPOINT;
head_pitch_datum = co_pilot_head_pitch_datum;
}
//
// rotate head
//
search_head.search_depth = 0;
search_head.search_object = virtual_cockpit_inst3d;
if (find_object_3d_sub_object (&search_head) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
search_head.result_sub_object->relative_heading = -pilot_head_heading;
search_head.result_sub_object->relative_pitch = head_pitch_datum - pilot_head_pitch;
if ((command_line_TIR_6DOF == TRUE)&&(query_TIR_active() == TRUE)) // Retro 6Feb2005
search_head.result_sub_object->relative_roll = TIR_GetRoll() / 16383. * PI / 2.; // Retro 6Feb2005
else
search_head.result_sub_object->relative_roll = 0.0;
}
else
{
debug_fatal ("Failed to locate crew's head in virtual cockpit");
}
//
// get viewpoint (avoid jitter)
//
search_viewpoint.search_object = virtual_cockpit_inst3d;
search_viewpoint.search_depth = 0;
if (find_object_3d_sub_object (&search_viewpoint) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
virtual_cockpit_inst3d->vp.x = 0.0;
virtual_cockpit_inst3d->vp.y = 0.0;
virtual_cockpit_inst3d->vp.z = 0.0;
get_local_entity_attitude_matrix (get_gunship_entity (), virtual_cockpit_inst3d->vp.attitude);
get_3d_sub_object_world_viewpoint (search_viewpoint.result_sub_object, &vp);
get_local_entity_vec3d (get_gunship_entity (), VEC3D_TYPE_POSITION, &pilot_head_vp.position);
pilot_head_vp.x += vp.x;
pilot_head_vp.y += vp.y;
pilot_head_vp.z += vp.z;
if ((command_line_TIR_6DOF == TRUE)&&(query_TIR_active() == TRUE)) // Retro 6Feb2005 (whole block)
{
matrix3x3 invAttitude;
vec3d
shiftVP, shiftWorld;
// First lets find out the displacement the user wants.. this is in the user's viewsystem coords !!
// Now store this info in a temp vect3d..
shiftVP.x = current_custom_cockpit_viewpoint.x;
shiftVP.y = current_custom_cockpit_viewpoint.y;
shiftVP.z = current_custom_cockpit_viewpoint.z;
// Now we need to convert our vec3d into world coords.. for this we need the inverse of the viewpoint attitude matrix..
get_inverse_matrix (invAttitude, vp.attitude);
// And rotate ! Voila, the result vec3d is now in world coords..
multiply_transpose_matrix3x3_vec3d (&shiftWorld, invAttitude, &shiftVP);
// Now apply that displacement.. BUT ONLY TO THE HEAD !!
pilot_head_vp.x -= shiftWorld.x;
pilot_head_vp.y -= shiftWorld.y;
pilot_head_vp.z -= shiftWorld.z;
}
memcpy (pilot_head_vp.attitude, vp.attitude, sizeof (matrix3x3));
vp.x = -vp.x;
vp.y = -vp.y;
vp.z = -vp.z;
multiply_transpose_matrix3x3_vec3d (&virtual_cockpit_inst3d->vp.position, pilot_head_vp.attitude, &vp.position);
if ((command_line_TIR_6DOF == TRUE)&&(query_TIR_active() == TRUE)) // Retro 6Feb2005 (whole block)
{
// Now shift the viewpoint (AND the model) by the positive displacement.. puts the cockpit back were it belongs..
// but the viewpoint (the head) is in another place.. fini
virtual_cockpit_inst3d->vp.x += current_custom_cockpit_viewpoint.x;
virtual_cockpit_inst3d->vp.y += current_custom_cockpit_viewpoint.y;
virtual_cockpit_inst3d->vp.z += current_custom_cockpit_viewpoint.z;
}
}
else
{
debug_fatal ("Failed to locate crew's viewpoint in virtual cockpit");
}
}
void get_kiowa_display_viewpoint (view_modes mode)
{
object_3d_sub_object_index_numbers
index;
object_3d_sub_object_search_data
search;
vec3d
position;
ASSERT (get_gunship_entity ());
ASSERT (virtual_cockpit_inst3d);
switch (mode)
{
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_PILOT_LHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_FL;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_PILOT_RHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_FR;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_CO_PILOT_LHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_RL;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_CO_PILOT_RHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_RR;
break;
}
////////////////////////////////////////
default:
////////////////////////////////////////
{
debug_fatal ("Invalid view mode = %d", mode);
break;
}
}
virtual_cockpit_inst3d->vp.x = 0.0;
virtual_cockpit_inst3d->vp.y = 0.0;
virtual_cockpit_inst3d->vp.z = 0.0;
////////////////////////////////////////
//
#if DEBUG_MODULE_FINE_DISPLAY_CAMERA_POSITION_ADJUSTMENT
get_identity_matrix3x3 (virtual_cockpit_inst3d->vp.attitude);
#else
get_local_entity_attitude_matrix (get_gunship_entity (), virtual_cockpit_inst3d->vp.attitude);
#endif
//
////////////////////////////////////////
search.search_depth = 0;
search.search_object = virtual_cockpit_inst3d;
search.sub_object_index = index;
if (find_object_3d_sub_object (&search) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
get_3d_sub_object_world_viewpoint (search.result_sub_object, &main_vp);
}
else
{
debug_fatal ("Failed to locate display viewpoint in virtual cockpit");
}
position.x = -main_vp.x;
position.y = -main_vp.y;
position.z = -main_vp.z;
////////////////////////////////////////
//
#if DEBUG_MODULE_FINE_DISPLAY_CAMERA_POSITION_ADJUSTMENT
{
static float
z_offset = 0.0;
float
dx,
dy,
dz;
if (check_key (DIK_Q))
{
z_offset -= 0.0001;
}
if (check_key (DIK_A))
{
z_offset += 0.0001;
}
dx = main_vp.zv.x * z_offset;
dy = main_vp.zv.y * z_offset;
dz = main_vp.zv.z * z_offset;
position.x += dx;
position.y += dy;
position.z += dz;
debug_filtered_log ("offset=%.6f x=%.6f y=%.6f z=%.6f", z_offset, position.x, position.y, position.z);
}
#endif
//
////////////////////////////////////////
multiply_transpose_matrix3x3_vec3d (&virtual_cockpit_inst3d->vp.position, main_vp.attitude, &position);
get_local_entity_vec3d (get_gunship_entity (), VEC3D_TYPE_POSITION, &position);
main_vp.x += position.x;
main_vp.y += position.y;
main_vp.z += position.z;
}
void get_hokum_display_viewpoint (view_modes mode)
{
object_3d_sub_object_index_numbers
index;
object_3d_sub_object_search_data
search;
vec3d
position;
ASSERT (get_gunship_entity ());
ASSERT (virtual_cockpit_inst3d);
switch (mode)
{
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_PILOT_LHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_LHS_2;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_PILOT_RHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_LHS_1;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_CO_PILOT_LHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_RHS_1;
break;
}
////////////////////////////////////////
case VIEW_MODE_VIRTUAL_COCKPIT_CO_PILOT_RHS_DISPLAY:
////////////////////////////////////////
{
index = OBJECT_3D_SUB_OBJECT_COCKPIT_VIEW_MFD_RHS_2;
break;
}
////////////////////////////////////////
default:
////////////////////////////////////////
{
debug_fatal ("Invalid view mode = %d", mode);
break;
}
}
virtual_cockpit_inst3d->vp.x = 0.0;
virtual_cockpit_inst3d->vp.y = 0.0;
virtual_cockpit_inst3d->vp.z = 0.0;
get_local_entity_attitude_matrix (get_gunship_entity (), virtual_cockpit_inst3d->vp.attitude);
search.search_depth = 0;
search.search_object = virtual_cockpit_inst3d;
search.sub_object_index = index;
if (find_object_3d_sub_object (&search) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
get_3d_sub_object_world_viewpoint (search.result_sub_object, &main_vp);
}
else
{
debug_fatal ("Failed to locate display viewpoint in virtual cockpit");
}
position.x = -main_vp.x;
position.y = -main_vp.y;
position.z = -main_vp.z;
multiply_transpose_matrix3x3_vec3d (&virtual_cockpit_inst3d->vp.position, main_vp.attitude, &position);
get_local_entity_vec3d (get_gunship_entity (), VEC3D_TYPE_POSITION, &position);
main_vp.x += position.x;
main_vp.y += position.y;
main_vp.z += position.z;
}
void get_hokum_crew_viewpoint (void)
{
object_3d_sub_object_search_data
search_head,
search_viewpoint;
viewpoint
vp;
float
head_pitch_datum;
//
// select head
//
if (get_local_entity_int_value (get_pilot_entity (), INT_TYPE_CREW_ROLE) == CREW_ROLE_PILOT)
{
search_head.sub_object_index = OBJECT_3D_SUB_OBJECT_PILOT_HEAD;
search_viewpoint.sub_object_index = OBJECT_3D_SUB_OBJECT_PILOT_VIEWPOINT;
head_pitch_datum = pilot_head_pitch_datum;
}
else
{
search_head.sub_object_index = OBJECT_3D_SUB_OBJECT_WSO_HEAD;
search_viewpoint.sub_object_index = OBJECT_3D_SUB_OBJECT_WSO_VIEWPOINT;
head_pitch_datum = co_pilot_head_pitch_datum;
}
//
// rotate head
//
search_head.search_depth = 0;
search_head.search_object = virtual_cockpit_inst3d;
if (find_object_3d_sub_object (&search_head) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
search_head.result_sub_object->relative_heading = -pilot_head_heading;
search_head.result_sub_object->relative_pitch = head_pitch_datum - pilot_head_pitch;
search_head.result_sub_object->relative_roll = 0.0;
}
else
{
debug_fatal ("Failed to locate crew's head in virtual cockpit");
}
//
// get viewpoint (avoid jitter)
//
search_viewpoint.search_object = virtual_cockpit_inst3d;
search_viewpoint.search_depth = 0;
if (find_object_3d_sub_object (&search_viewpoint) == SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
virtual_cockpit_inst3d->vp.x = 0.0;
virtual_cockpit_inst3d->vp.y = 0.0;
virtual_cockpit_inst3d->vp.z = 0.0;
get_local_entity_attitude_matrix (get_gunship_entity (), virtual_cockpit_inst3d->vp.attitude);
get_3d_sub_object_world_viewpoint (search_viewpoint.result_sub_object, &vp);
get_local_entity_vec3d (get_gunship_entity (), VEC3D_TYPE_POSITION, &pilot_head_vp.position);
pilot_head_vp.x += vp.x;
pilot_head_vp.y += vp.y;
pilot_head_vp.z += vp.z;
memcpy (pilot_head_vp.attitude, vp.attitude, sizeof (matrix3x3));
vp.x = -vp.x;
vp.y = -vp.y;
vp.z = -vp.z;
multiply_transpose_matrix3x3_vec3d (&virtual_cockpit_inst3d->vp.position, pilot_head_vp.attitude, &vp.position);
}
else
{
debug_fatal ("Failed to locate crew's viewpoint in virtual cockpit");
}
}
static void get_display_viewpoint (view_modes mode, viewpoint *display_viewpoint)
{
object_3d_sub_object_index_numbers
index;
object_3d_sub_object_search_data
search;
viewpoint
vp;
ASSERT (display_viewpoint);
if ((!full_screen_hi_res) && (application_video_colourdepth == 16))
{
display_viewpoint->x = 0.0;
display_viewpoint->y = 0.0;
display_viewpoint->z = 0.0;
get_local_entity_attitude_matrix (get_gunship_entity (), display_viewpoint->attitude);
return;
}
if (mode == VIEW_MODE_COCKPIT_PANEL_SPECIAL_APACHE_LHS_MFD)
{
index = OBJECT_3D_SUB_OBJECT_APACHE_COCKPIT_LHS_MFD_CAMERA;
}
else if (mode == VIEW_MODE_COCKPIT_PANEL_SPECIAL_APACHE_RHS_MFD)
{
index = OBJECT_3D_SUB_OBJECT_APACHE_COCKPIT_RHS_MFD_CAMERA;
}
else
{
debug_fatal ("Invalid view mode = %d", mode);
}
virtual_cockpit_inst3d = virtual_cockpit_level1_inst3d;
search.search_depth = 0;
search.search_object = virtual_cockpit_inst3d;
search.sub_object_index = index;
if (find_object_3d_sub_object (&search) != SUB_OBJECT_SEARCH_RESULT_OBJECT_FOUND)
{
debug_fatal ("Failed to locate display viewpoint in virtual cockpit");
}
virtual_cockpit_inst3d->vp.x = 0.0;
virtual_cockpit_inst3d->vp.y = 0.0;
virtual_cockpit_inst3d->vp.z = 0.0;
get_local_entity_attitude_matrix (get_gunship_entity (), virtual_cockpit_inst3d->vp.attitude);
get_3d_sub_object_world_viewpoint (search.result_sub_object, &vp);
get_local_entity_vec3d (get_gunship_entity (), VEC3D_TYPE_POSITION, &main_vp.position);
main_vp.x += vp.x;
main_vp.y += vp.y;
main_vp.z += vp.z;
memcpy (main_vp.attitude, vp.attitude, sizeof (matrix3x3));
vp.x = -vp.x;
vp.y = -vp.y;
vp.z = -vp.z;
multiply_transpose_matrix3x3_vec3d (&virtual_cockpit_inst3d->vp.position, vp.attitude, &vp.position);
memcpy (display_viewpoint, &virtual_cockpit_inst3d->vp, sizeof (viewpoint));
}
