#include <stdio.h>
+#include <limits.h>
#include <assert.h>
#include <goatvr.h>
#include "app.h"
#include "exman.h"
#include "blob_exhibit.h"
#include "dbg_gui.h"
+#include "geomdraw.h"
+#include "ui_exhibit.h"
#define NEAR_CLIP 5.0
#define FAR_CLIP 10000.0
static void draw_scene();
static void toggle_flight();
static void calc_framerate();
+static Ray calc_pick_ray(int x, int y);
long time_msec;
int win_width, win_height;
unsigned int sdr_ltmap, sdr_ltmap_notex;
+int fpexcept_enabled;
+
static Avatar avatar;
static float cam_dist = 0.0;
static long prev_msec;
static ExhibitManager *exman;
-static BlobExhibit *blobs;
static bool show_blobs;
+ExSelection exsel_active, exsel_hover;
+ExSelection exsel_grab_left, exsel_grab_right;
+#define exsel_grab_mouse exsel_grab_right
+static ExhibitSlot exslot_left, exslot_right;
+#define exslot_mouse exslot_right
+
static Renderer *rend;
+static Ray last_pick_ray;
+
bool app_init(int argc, char **argv)
{
+ set_log_file("demo.log");
+
+ char *env = getenv("FPEXCEPT");
+ if(env && atoi(env)) {
+ info_log("enabling floating point exceptions\n");
+ fpexcept_enabled = 1;
+ enable_fpexcept();
+ }
+
+ if(init_opengl() == -1) {
+ return false;
+ }
+
if(!init_options(argc, argv, "demo.conf")) {
return false;
}
glEnable(GL_MULTISAMPLE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
- glEnable(GL_LIGHTING);
glEnable(GL_NORMALIZE);
if(!init_debug_gui()) {
float ambient[] = {0.0, 0.0, 0.0, 0.0};
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
- glClearColor(1, 1, 1, 1);
-
init_audio();
if(!init_vrhands()) {
//return false;
}
*/
-
- blobs = new BlobExhibit;
- blobs->node = new SceneNode;
- blobs->init();
- blobs->node->set_position(Vec3(-680, 160, -100));
- blobs->node->set_scaling(Vec3(28, 28, 28));
- blobs->node->update(0);
-
- exman->add(blobs);
+ if(!exui_init()) {
+ error_log("failed to initialize exhibit ui system\n");
+ return false;
+ }
+ exui_setnode(&exslot_left.node);
if(!(sdr_ltmap_notex = create_program_load("sdr/lightmap.v.glsl", "sdr/lightmap-notex.p.glsl"))) {
return false;
delete rend;
+ exui_shutdown();
+
+ /* this must be destroyed before the scene graph to detach exhibit nodes
+ * before the scene tries to delete them recursively
+ */
delete exman;
texman.clear();
mscn->update(dt);
exman->update(dt);
+ exui_update(dt);
float speed = walk_speed * dt;
Vec3 dir;
floor_y = avatar.pos.y - user_eye_height;
}
- // TODO move to avatar
+ // TODO move to the avatar system
// calculate mouselook view matrix
mouse_view_matrix = Mat4::identity;
mouse_view_matrix.pre_translate(0, 0, -cam_dist);
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 (only if we don't have one grabbed)
+ if(!exsel_grab_mouse) {
+ // 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);
+ } else {
+ // TODO do this properly
+ // set the position of the left hand at a suitable position for the exhibit UI
+ dir = rotate(Vec3(-0.46, -0.1, -1), Vec3(0, 1, 0), deg_to_rad(-avatar.body_rot));
+ exslot_left.node.set_position(avatar.pos + dir * 30); // magic: distance in front
}
-}
-static void set_light(int idx, const Vec3 &pos, const Vec3 &color)
-{
- unsigned int lt = GL_LIGHT0 + idx;
- float posv[] = { pos.x, pos.y, pos.z, 1 };
- float colv[] = { color.x, color.y, color.z, 1 };
-
- glEnable(lt);
- glLightfv(lt, GL_POSITION, posv);
- glLightfv(lt, GL_DIFFUSE, colv);
- glLightfv(lt, GL_SPECULAR, colv);
+ if(!exslot_right.empty()) exslot_right.node.update(dt);
+ // always update the left slot, because it's the anchor point of the exhibit ui
+ exslot_left.node.update(dt);
}
void app_display()
ImGui::ShowTestWindow();
}
+ glClearColor(1, 1, 1, 1);
+
if(opt.vr) {
// VR mode
goatvr_draw_start();
static void draw_scene()
{
- static const Vec3 lpos[] = { Vec3(-50, 75, 100), Vec3(100, 0, 30), Vec3(-10, -10, 60) };
- set_light(0, lpos[0], Vec3(1.0, 0.8, 0.7) * 0.8);
- set_light(1, lpos[1], Vec3(0.6, 0.7, 1.0) * 0.6);
- set_light(2, lpos[2], Vec3(0.8, 1.0, 0.8) * 0.3);
-
rend->draw();
exman->draw();
}
*/
+ if(debug_gui && dbg_sel_node) {
+ AABox bvol = dbg_sel_node->get_bounds();
+ draw_geom_object(&bvol);
+ }
+
if(show_walk_mesh && mscn->walk_mesh) {
glPushAttrib(GL_ENABLE_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
- glDisable(GL_LIGHTING);
glEnable(GL_POLYGON_OFFSET_FILL);
glUseProgram(0);
glPopAttrib();
}
+ exui_draw();
+
print_text(Vec2(9 * win_width / 10, 20), Vec3(1, 1, 0), "fps: %.1f", framerate);
draw_ui();
}
break;
case 'x':
- exman->clear();
exman->load(mscn, "data/exhibits");
break;
+
+ case KEY_UP:
+ exui_scroll(-1);
+ break;
+
+ case KEY_DOWN:
+ exui_scroll(1);
+ break;
+
+ case KEY_LEFT:
+ exui_change_tab(-1);
+ break;
+
+ case KEY_RIGHT:
+ exui_change_tab(1);
+ break;
}
}
void app_mouse_button(int bn, bool pressed, int x, int y)
{
+ static int press_x, press_y;
+
if(debug_gui) {
debug_gui_mbutton(bn, pressed, x, y);
return; // ignore mouse events while GUI is visible
prev_mx = x;
prev_my = y;
bnstate[bn] = pressed;
+
+ if(bn == 0) {
+ ExSelection sel;
+ Ray ray = calc_pick_ray(x, y);
+ sel = exman->select(ray);
+
+ if(pressed) {
+ if(sel && (app_get_modifiers() & MOD_CTRL)) {
+ exsel_grab_mouse = sel;
+ Vec3 pos = sel.ex->node->get_position();
+ debug_log("grabbing... (%g %g %g)\n", pos.x, pos.y, pos.z);
+ exslot_mouse.node.set_position(pos);
+ exslot_mouse.node.set_rotation(sel.ex->node->get_rotation());
+ exslot_mouse.attach_exhibit(sel.ex, EXSLOT_ATTACH_TRANSIENT);
+ if(exsel_active) {
+ exsel_active = ExSelection::null; // cancel active on grab
+ }
+ }
+ press_x = x;
+ press_y = y;
+
+ } else {
+ if(exsel_grab_mouse) {
+ // cancel grab on mouse release
+ Exhibit *ex = exsel_grab_mouse.ex;
+ Vec3 pos = exslot_mouse.node.get_position();
+
+ debug_log("releasing at %g %g %g ...\n", pos.x, pos.y, pos.z);
+
+ exslot_mouse.detach_exhibit();
+
+ ExhibitSlot *slot = exman->nearest_empty_slot(pos, 100);
+ if(!slot) {
+ debug_log("no empty slot nearby\n");
+ if(ex->prev_slot && ex->prev_slot->empty()) {
+ slot = ex->prev_slot;
+ debug_log("using previous slot");
+ }
+ }
+
+ if(slot) {
+ slot->attach_exhibit(ex);
+ } else {
+ // nowhere to put it, so stash it for later
+ exslot_mouse.detach_exhibit();
+ exman->stash_exhibit(ex);
+ debug_log("no slots available, stashing\n");
+ }
+
+ exsel_grab_mouse = ExSelection::null;
+ }
+
+ if(abs(press_x - x) < 5 && abs(press_y - y) < 5) {
+ exsel_active = sel; // select or deselect active exhibit
+ if(sel) {
+ debug_log("selecting...\n");
+ } else {
+ debug_log("deselecting...\n");
+ }
+ }
+
+ press_x = press_y = INT_MIN;
+ }
+ }
}
static inline void mouse_look(float dx, float dy)
if(!dx && !dy) return;
- if(bnstate[0]) {
- mouse_look(dx, dy);
+ if(exsel_grab_mouse) {
+ Vec3 pos = exslot_mouse.node.get_node_position();
+ Vec3 dir = transpose(view_matrix.upper3x3()) * Vec3(dx * 1.0, dy * -1.0, 0);
+
+ exslot_mouse.node.set_position(pos + dir);
}
+
if(bnstate[2]) {
- mouse_zoom(dx, dy);
+ mouse_look(dx, dy);
}
}
static void calc_framerate()
{
- static int ncalc;
+ //static int ncalc;
static int nframes;
static long prev_upd;
++nframes;
}
}
+
+static Ray calc_pick_ray(int x, int y)
+{
+ float nx = (float)x / (float)win_width;
+ float ny = (float)(win_height - y) / (float)win_height;
+
+ last_pick_ray = mouse_pick_ray(nx, ny, view_matrix, proj_matrix);
+ return last_pick_ray;
+}