void object_render_shadow(object *obj) {
if(obj->cur_sprite == NULL || !obj->cast_shadow) {
return;
}
// Scale of the sprite on Y axis should be less than the
// height of the sprite because of light position
float scale_y = 0.25f;
// Determine X
int flipmode = obj->sprite_state.flipmode;
int x = obj->pos.x + obj->cur_sprite->pos.x + obj->sprite_state.o_correction.x;
if(object_get_direction(obj) == OBJECT_FACE_LEFT) {
x = (obj->pos.x + obj->sprite_state.o_correction.x) - obj->cur_sprite->pos.x - object_get_size(obj).x;
flipmode ^= FLIP_HORIZONTAL;
}
// Determine Y
float temp = object_h(obj) * scale_y;
int y = 190 - temp - (object_h(obj) - temp) / 2;
// Render shadow object twice with different offsets, so that
// the shadows seem a bit blobbier and shadow-y
for(int i = 0; i < 2; i++) {
video_render_sprite_flip_scale_opacity_tint(
obj->cur_sprite->data,
x+i, y+i,
BLEND_ALPHA,
obj->pal_offset,
flipmode,
scale_y,
50,
color_create(0,0,0,255));
}
}
void camera::set_object_host(object *objp, int n_object_host_submodel)
{
if(objp == NULL)
object_host = object_h();
object_host = object_h(objp);
object_host_submodel = n_object_host_submodel;
set_custom_position_function(NULL);
set_custom_orientation_function(NULL);
if(n_object_host_submodel > 0)
{
if(objp->type == OBJ_SHIP)
{
ship_subsys* ssp = GET_FIRST(&Ships[objp->instance].subsys_list);
while ( ssp != END_OF_LIST( &Ships[objp->instance].subsys_list ) )
{
if(ssp->system_info->subobj_num == n_object_host_submodel)
{
if(ssp->system_info->type == SUBSYSTEM_TURRET)
{
set_custom_position_function(get_turret_cam_pos);
set_custom_orientation_function(get_turret_cam_orient);
}
}
ssp = GET_NEXT( ssp );
}
}
}
}
void camera::set_object_target(object *objp, int n_object_target_submodel)
{
if(objp == NULL)
object_target = object_h();
object_target = object_h(objp);
object_target_submodel = n_object_target_submodel;
}
void camera::reset()
{
flags = CAM_DEFAULT_FLAGS;
object_host = object_target = object_h();
object_host_submodel = object_target_submodel = -1;
c_fov = VIEWER_ZOOM_DEFAULT;
c_pos = vmd_zero_vector;
c_ori = vmd_identity_matrix;
func_custom_position = NULL;
func_custom_orientation = NULL;
fov.clear();
fov.set(VIEWER_ZOOM_DEFAULT);
pos_x.clear();
pos_y.clear();
pos_z.clear();
for(int i = 0; i < 9; i++)
{
ori[i].clear();
ori[i].set(vmd_identity_matrix.a1d[i]);
}
}
