static BlobExhibit *blobs;
static bool show_blobs;
-static ExSelection ex_sel;
+ExSelection exsel_grab, exsel_hover;
static Renderer *rend;
mouse_view_matrix.pre_rotate_y(deg_to_rad(avatar.body_rot));
mouse_view_matrix.pre_translate(-avatar.pos.x, -avatar.pos.y, -avatar.pos.z);
+ // check if an exhibit is hovered-over by mouse or 6dof
+ // XXX note: using previous view/proj matrix lattency shouldn't be an issue but
+ // make sure state-creep doesn't get us
+ // XXX also this mouse-picking probably should only be active in non-VR mode
+ Ray ray = calc_pick_ray(prev_mx, prev_my);
+ exsel_hover = exman->select(ray);
+
// update hand-tracking
if(have_handtracking) {
update_vrhands(&avatar);
if(bn == 0) {
if(!pressed) {
- if(ex_sel.ex) {
- ex_sel.ex = 0;
+ if(exsel_grab.ex) {
+ exsel_grab.ex = 0;
} else {
Ray ray = calc_pick_ray(x, y);
- ex_sel = exman->select(ray);
+ exsel_grab = exman->select(ray);
}
}
}
if(!dx && !dy) return;
- if(ex_sel.ex) {
- Vec3 pos = ex_sel.ex->node->get_node_position();
+ if(exsel_grab.ex) {
+ Vec3 pos = exsel_grab.ex->node->get_node_position();
Vec3 dir = transpose(view_matrix.upper3x3()) * Vec3(dx * 1.0, dy * -1.0, 0);
- ex_sel.ex->node->set_position(pos + dir);
+ exsel_grab.ex->node->set_position(pos + dir);
}
if(bnstate[2]) {
#include "texture.h"
#include "scene.h"
+#include "exhibit.h"
extern long time_msec;
extern int win_width, win_height;
extern unsigned int sdr_ltmap, sdr_ltmap_notex;
+extern ExSelection exsel_grab, exsel_hover;
+
extern int fpexcept_enabled; // int so that C modules may fwd-delcare and use it
enum {
#include "snode.h"
#include "scene.h"
#include "geomdraw.h"
+#include "app.h"
class ExhibitPriv {
public:
ExSelection Exhibit::select(const Ray &ray) const
{
- return ExSelection(0);
+ ExSelection sel;
+ HitPoint hit;
+ if(get_aabox().intersect(ray, &hit)) {
+ sel.ex = (Exhibit*)this;
+ sel.selray = ray;
+ sel.dist = hit.dist;
+ sel.validmask = EXSEL_RAY;
+ }
+ return sel;
}
ExSelection Exhibit::select(const Sphere &sph) const
{
- return ExSelection(0);
+ return ExSelection(0); // TODO
}
void Exhibit::update(float dt)
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
- const AABox &bvol = get_aabox();
- draw_geom_object(&bvol);
+ if(exsel_hover.ex == this) {
+ const AABox &bvol = get_aabox();
+ draw_geom_object(&bvol);
+ }
}
}
void *data;
Ray selray;
Sphere selsphere;
+ float dist;
unsigned int validmask;
ExSelection(Exhibit *ex = 0);
+#include <float.h>
#include <algorithm>
#include "exman.h"
#include "exhibit.h"
ExSelection ExhibitManager::select(const Ray &ray) const
{
- ExSelection sel;
- if(!items.empty()) {
- sel.ex = items[0];
- sel.selray = ray;
- sel.validmask = EXSEL_RAY;
+ ExSelection nearest;
+ nearest.dist = FLT_MAX;
+
+ int nitems = items.size();
+ for(int i=0; i<nitems; i++) {
+ ExSelection sel = items[i]->select(ray);
+ if(sel && sel.dist < nearest.dist) {
+ nearest = sel;
+ }
}
- return sel; // TODO
+
+ return nearest;
}
ExSelection ExhibitManager::select(const Sphere &sph) const