X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmain.cc;h=f9c9f3a0d88dd0e87aab3f946af2403dd7f5a523;hb=dbcb9345c23c5c027d808915962843e7db2d14aa;hp=ce8466ede81dbea445d5e7619b6f240784d37a41;hpb=b29d7193d03833109cfdda3ab576fe183efd8acf;p=laserbrain_demo diff --git a/src/main.cc b/src/main.cc index ce8466e..f9c9f3a 100644 --- a/src/main.cc +++ b/src/main.cc @@ -8,134 +8,75 @@ #include #endif #include "app.h" -#include "machine.h" static bool init(); -static void cleanup(); static void display(); static void idle(); -static void draw_gears(); static void reshape(int x, int y); -static void keyb(unsigned char key, int x, int y); +static void key_press(unsigned char key, int x, int y); +static void key_release(unsigned char key, int x, int y); static void mouse(int bn, int st, int x, int y); -static void motion(int x, int y); -static void passive_motion(int x, int y); -static Gear *pick_gear(int x, int y); +static void proc_modkeys(); -static int win_width, win_height; - -static float cam_dist = 0.5; -static float cam_theta, cam_phi; -static int prev_mx, prev_my; -static bool bnstate[8]; - -static unsigned int start_time, prev_msec; -static Machine *machine; -static Gear *hover_gear, *sel_gear; -static HitPoint pick_hit; -static Vec3 sel_hit_pos; +static unsigned int start_time; +static unsigned int modkeys; int main(int argc, char **argv) { glutInitWindowSize(1024, 768); glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | GLUT_MULTISAMPLE); - glutCreateWindow("Antikythera"); + glutCreateWindow("demo"); glutDisplayFunc(display); glutIdleFunc(idle); glutReshapeFunc(reshape); - glutKeyboardFunc(keyb); + glutKeyboardFunc(key_press); + glutKeyboardUpFunc(key_release); glutMouseFunc(mouse); - glutMotionFunc(motion); - glutPassiveMotionFunc(passive_motion); + glutMotionFunc(app_mouse_motion); + glutPassiveMotionFunc(app_mouse_motion); if(!init()) { return 1; } - atexit(cleanup); + atexit(app_cleanup); glutMainLoop(); return 0; } -static bool init() +void app_swap_buffers() { - glewInit(); - - glEnable(GL_MULTISAMPLE); - glEnable(GL_DEPTH_TEST); - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glEnable(GL_NORMALIZE); - - Mesh::use_custom_sdr_attr = false; - - machine = new Machine; - - const float pitch = 10.0f; - - Gear *gear1 = new Gear; - gear1->pos = Vec3(-50, 0, 0); - gear1->set_teeth(16, pitch); - gear1->gen_mesh(); - machine->add_gear(gear1); - - Gear *gear2 = new Gear; - gear2->set_teeth(32, pitch); - gear2->pos = gear1->pos + Vec3(gear1->radius + gear2->radius - gear1->teeth_length * 0.75, 0, 0); - gear2->thickness = 5; - gear2->gen_mesh(); - machine->add_gear(gear2); - - Gear *gear3 = new Gear; - gear3->set_teeth(8, pitch); - gear3->pos = gear2->pos + Vec3(0, gear2->radius + gear3->radius - gear2->teeth_length * 0.75, 0); - gear3->gen_mesh(); - machine->add_gear(gear3); - - machine->add_motor(0, 1.0); + glutSwapBuffers(); +} - start_time = glutGet(GLUT_ELAPSED_TIME); - return true; +void app_quit() +{ + exit(0); } -static void cleanup() +unsigned int app_get_modifiers() { - delete machine; + return modkeys; } -static void update(float dt) +static bool init() { - machine->update(dt); + glewInit(); - if(sel_gear) { + if(!app_init()) { + return false; } - hover_gear = pick_gear(prev_mx, prev_my); + start_time = glutGet(GLUT_ELAPSED_TIME); + return true; } static void display() { - unsigned int msec = glutGet(GLUT_ELAPSED_TIME) - start_time; - float dt = (float)(msec - prev_msec) / 1000.0f; - prev_msec = msec; - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0, 0, -cam_dist); - glRotatef(cam_phi, 1, 0, 0); - glRotatef(cam_theta, 0, 1, 0); - - update(dt); - - draw_gears(); - - glutSwapBuffers(); - assert(glGetError() == GL_NO_ERROR); + time_msec = glutGet(GLUT_ELAPSED_TIME) - start_time; + app_display(); } static void idle() @@ -143,59 +84,24 @@ static void idle() glutPostRedisplay(); } -static void draw_gears() -{ - /* world scale is in meters, gears are in millimeters, scale by 1/1000 */ - glPushMatrix(); - glScalef(0.001, 0.001, 0.001); - - if(sel_gear || hover_gear) { - glPushAttrib(GL_ENABLE_BIT | GL_LINE_BIT | GL_POLYGON_BIT); - - glDisable(GL_LIGHTING); - glFrontFace(GL_CW); - glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); - glLineWidth(3.0); - - if(sel_gear) { - glColor3f(0.2, 1.0, 0.3); - sel_gear->draw(); - } else { - glColor3f(1.0, 0.75, 0.2); - hover_gear->draw(); - } - - glPopAttrib(); - } - - machine->draw(); - - glPopMatrix(); -} - static void reshape(int x, int y) { win_width = x; win_height = y; - glViewport(0, 0, x, y); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluPerspective(50.0, (float)x / (float)y, 0.01, 100.0); + app_reshape(x, y); } -static void keyb(unsigned char key, int x, int y) +static void key_press(unsigned char key, int x, int y) { - switch(key) { - case 27: - exit(0); + proc_modkeys(); + app_keyboard(key, true); +} - case 'w': - opt_gear_wireframe = !opt_gear_wireframe; - glutPostRedisplay(); - break; - } +static void key_release(unsigned char key, int x, int y) +{ + proc_modkeys(); + app_keyboard(key, false); } static void mouse(int bn, int st, int x, int y) @@ -203,86 +109,22 @@ static void mouse(int bn, int st, int x, int y) int bidx = bn - GLUT_LEFT_BUTTON; bool down = st == GLUT_DOWN; - prev_mx = x; - prev_my = y; - bnstate[bidx] = down; - - if(bidx == 0) { - if(down) { - sel_gear = pick_gear(x, y); - sel_hit_pos = pick_hit.pos; - } else { - sel_gear = 0; - } - } - - if(bidx == 3 || bidx == 4) { /* wheel */ - if(hover_gear) { - float dz = bidx == 4 ? 1 : -1; - hover_gear->set_position(hover_gear->get_position() + hover_gear->get_axis() * dz); - machine->invalidate_meshing(); - } - } + proc_modkeys(); + app_mouse_button(bidx, down, x, y); } -static void motion(int x, int y) +static void proc_modkeys() { - int dx = x - prev_mx; - int dy = y - prev_my; - prev_mx = x; - prev_my = y; - - if(!dx && !dy) return; - - if(sel_gear) { - float speed = 0.5; - Vec3 offs = Vec3(dx * speed, -dy * speed, 0.0); - offs = sel_gear->get_dir_matrix() * offs; + int glutmod = glutGetModifiers(); - sel_gear->set_position(sel_gear->get_position() + offs); - machine->invalidate_meshing(); - - } else { - if(bnstate[0]) { - cam_theta += dx * 0.5; - cam_phi += dy * 0.5; - - if(cam_phi < -90) cam_phi = -90; - if(cam_phi > 90) cam_phi = 90; - glutPostRedisplay(); - } - if(bnstate[2]) { - cam_dist += dy * 0.01; - if(cam_dist < 0.0) cam_dist = 0.0; - glutPostRedisplay(); - } + modkeys = 0; + if(glutmod & GLUT_ACTIVE_SHIFT) { + modkeys |= MOD_SHIFT; + } + if(glutmod & GLUT_ACTIVE_CTRL) { + modkeys |= MOD_CTRL; + } + if(glutmod & GLUT_ACTIVE_ALT) { + modkeys |= MOD_ALT; } -} - -static void passive_motion(int x, int y) -{ - prev_mx = x; - prev_my = y; -} - -static Gear *pick_gear(int x, int y) -{ - double pt[3]; - double viewmat[16], projmat[16]; - int vp[4]; - Ray ray; - - y = win_height - y; - - glGetDoublev(GL_MODELVIEW_MATRIX, viewmat); - glGetDoublev(GL_PROJECTION_MATRIX, projmat); - glGetIntegerv(GL_VIEWPORT, vp); - - gluUnProject(x, y, 0, viewmat, projmat, vp, pt, pt + 1, pt + 2); - ray.origin = Vec3(pt[0], pt[1], pt[2]) * 1000.0f; - - gluUnProject(x, y, 1, viewmat, projmat, vp, pt, pt + 1, pt + 2); - ray.dir = Vec3(pt[0], pt[1], pt[2]) * 1000.0f - ray.origin; - - return machine->intersect_gear(ray, &pick_hit); }