X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=antikythera;a=blobdiff_plain;f=src%2Fmain.cc;h=f98f1901d1280f36e5d5f63c0899a58a39360977;hp=0447748ba0efe61313614f196ecca405e2ff0984;hb=014fccdee30291407985658e8cefd9be7dc9e9fa;hpb=a88a9ac53952e1bb3768b147a043c19392e3d5d1 diff --git a/src/main.cc b/src/main.cc index 0447748..f98f190 100644 --- a/src/main.cc +++ b/src/main.cc @@ -7,31 +7,39 @@ #else #include #endif +#include "app.h" #include "machine.h" -bool init(); -void cleanup(); -void display(); -void idle(); -void draw_gears(); -void reshape(int x, int y); -void keyb(unsigned char key, int x, int y); -void mouse(int bn, int st, int x, int y); -void motion(int x, int y); - -static float cam_dist = 2; +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 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 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; int main(int argc, char **argv) { glutInitWindowSize(1024, 768); glutInit(&argc, argv); - glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); + glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | GLUT_MULTISAMPLE); glutCreateWindow("Antikythera"); glutDisplayFunc(display); @@ -40,6 +48,7 @@ int main(int argc, char **argv) glutKeyboardFunc(keyb); glutMouseFunc(mouse); glutMotionFunc(motion); + glutPassiveMotionFunc(passive_motion); if(!init()) { return 1; @@ -50,10 +59,11 @@ int main(int argc, char **argv) return 0; } -bool init() +static bool init() { glewInit(); + glEnable(GL_MULTISAMPLE); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); glEnable(GL_LIGHTING); @@ -86,25 +96,32 @@ bool init() machine->add_gear(gear3); machine->add_motor(0, 1.0); - machine->calc_meshing(); start_time = glutGet(GLUT_ELAPSED_TIME); return true; } -void cleanup() +static void cleanup() { delete machine; } -void display() +static void update(float dt) +{ + machine->update(dt); + + if(sel_gear) { + } + + hover_gear = pick_gear(prev_mx, prev_my); +} + +static void display() { unsigned int msec = glutGet(GLUT_ELAPSED_TIME) - start_time; float dt = (float)(msec - prev_msec) / 1000.0f; prev_msec = msec; - machine->update(dt); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); @@ -113,53 +130,94 @@ void display() glRotatef(cam_phi, 1, 0, 0); glRotatef(cam_theta, 0, 1, 0); + update(dt); + draw_gears(); glutSwapBuffers(); assert(glGetError() == GL_NO_ERROR); } -void idle() +static void idle() { glutPostRedisplay(); } -void draw_gears() +static void draw_gears() { - /* world scale is in meters, gears are in millimeters, sclae by 1/1000 */ + /* 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(); } -void reshape(int x, int y) +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, 0.05, 100.0); + gluPerspective(50.0, (float)x / (float)y, 0.01, 100.0); } -void keyb(unsigned char key, int x, int y) +static void keyb(unsigned char key, int x, int y) { switch(key) { case 27: exit(0); + + case 'w': + opt_gear_wireframe = !opt_gear_wireframe; + glutPostRedisplay(); + break; } } -void mouse(int bn, int st, int x, int y) +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[bn - GLUT_LEFT_BUTTON] = st == GLUT_DOWN; + bnstate[bidx] = down; + + if(bidx == 0) { + if(down) { + sel_gear = pick_gear(x, y); + sel_hit_pos = pick_hit.pos; + } else { + sel_gear = 0; + } + } } -void motion(int x, int y) +static void motion(int x, int y) { int dx = x - prev_mx; int dy = y - prev_my; @@ -168,17 +226,55 @@ void motion(int x, int y) if(!dx && !dy) return; - 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 * 0.05; - if(cam_dist < 0.0) cam_dist = 0.0; - glutPostRedisplay(); + if(sel_gear) { + float speed = 0.5; + Vec3 offs = Vec3(dx * speed, -dy * speed, 0.0); + offs = sel_gear->get_dir_matrix() * offs; + + 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(); + } } } + +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); +}