/* (c) 1999-2000 Tino Schwarze, see COPYING for details */ /** * implementation of cWorldControl */ #include #include "cWorldControl.hh" #include "cKeyEvent.hh" #include "cMousePressEvent.hh" #include "events_cWorld.hh" #include "events_cEventInput.hh" #include "events_cInteractiveObject.hh" #include "events_cLight.hh" #include "events_cSpotLight.hh" #define DEBUG_RECEIVE 1 #define DEBUG_SEND 1 #ifndef DEBUG_RECEIVE #define DEBUG_RECEIVE 0 #endif #ifndef DEBUG_SEND #define DEBUG_SEND 0 #endif const int LEFT_BUTTON = (1 << GLUT_LEFT_BUTTON); const int MIDDLE_BUTTON = (1 << GLUT_MIDDLE_BUTTON); const int RIGHT_BUTTON = (1 << GLUT_RIGHT_BUTTON); /** * constructor */ cWorldControl::cWorldControl ( cEventDispatcher *disp) : cEventConsumer (disp) { disp->SubscribeToEvent ( cKeyEvent (ccEI_KeyPress), this); disp->SubscribeToEvent ( cVertexEvent (ccEI_MouseMove), this); disp->SubscribeToEvent ( cMousePressEvent (ccEI_MousePress), this); } /** * destructor */ cWorldControl::~cWorldControl () { // all done by ~cEventConsumer... } /** * event receiver/translator */ int cWorldControl::ReceiveEvent ( const cEvent &event) { const string &en = event.GetName (); // ease casting to different event types const cEvent *ev = &event; if (en == ccEI_MousePress) { // mouse button status update const cMousePressEvent *mpe = (cMousePressEvent *)ev; int button, state; mpe->GetButtonState (button, state); if (state == GLUT_DOWN) // button pressed or released? { mMouseButtonState |= (1 << button); // update mask appropiately } else { mMouseButtonState &= !(1 << button); } return 0; } if (en == ccEI_KeyPress) { // cast to cKeyPressEvent const cKeyEvent *kpe = (cKeyEvent *)ev; unsigned char key = kpe->GetKey (); int special = kpe->GetSpecialKey (); switch (key) { case 'h': mDispatcher->SendEvent (ccIO_HideObject); return 0; break; case 's': mDispatcher->SendEvent (ccIO_ShowObject); return 0; break; case 'g': mGlobalMode = false; return 0; return 0; break; case 'G': mGlobalMode = true; return 0; return 0; break; case 'w': mControlMode = CM_WALK; return 0; return 0; break; case 'o': mControlMode = CM_ORBIT; return 0; return 0; break; case 'm': mControlMode = CM_MOVE_OBJECT; return 0; return 0; break; case 'r': mControlMode = CM_ROTATE_OBJECT; return 0; return 0; break; case 'z': mDispatcher->SendEvent ( cEvent (ccW_DisableZBuffer)); return 0; break; case 'Z': mDispatcher->SendEvent ( cEvent (ccW_EnableZBuffer)); return 0; break; case 'a': mDispatcher->SendEvent ( cEvent (ccW_StopAnimation)); return 0; break; case 'A': mDispatcher->SendEvent ( cEvent (ccW_StartAnimation)); return 0; break; case '+': mDispatcher->SendEvent ( cEvent (ccW_IncrAnimationSpeed)); return 0; break; case '-': mDispatcher->SendEvent ( cEvent (ccW_DecrAnimationSpeed)); return 0; break; case 'l': mDispatcher->SendEvent ( cEvent (ccLight_SwitchOff)); return 0; break; case 'L': mDispatcher->SendEvent ( cEvent (ccLight_SwitchOn)); return 0; break; case 't': mDispatcher->SendEvent ( cEvent (ccSpotLight_DecrCutOff)); return 0; break; case 'T': mDispatcher->SendEvent ( cEvent (ccSpotLight_IncrCutOff)); return 0; break; case 'y': mDispatcher->SendEvent ( cEvent (ccSpotLight_DecrExponent)); return 0; break; case 'Y': mDispatcher->SendEvent ( cEvent (ccSpotLight_IncrExponent)); return 0; break; case 27: // esc case 'q': exit(0); break; case 0: // special key switch (special) { #if 0 case GLUT_KEY_DOWN: mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, 1.0, cVertex (1.0, 0.0, 0.0))); return 0; break; case GLUT_KEY_UP: mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, -1.0, cVertex (1.0, 0.0, 0.0))); return 0; break; case GLUT_KEY_LEFT: mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, -1.0, cVertex (0.0, 1.0, 0.0))); return 0; break; case GLUT_KEY_RIGHT: mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, 1.0, cVertex (0.0, 1.0, 0.0))); return 0; break; #else case GLUT_KEY_DOWN: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (0, 1, 0))); return 0; break; case GLUT_KEY_UP: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (0, -1, 0))); return 0; break; case GLUT_KEY_LEFT: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (-1, 0, 0))); return 0; break; case GLUT_KEY_RIGHT: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (1, 0, 0))); return 0; break; #endif default: return -1; break; } } return -1; // we did not accept the key... } if (en == ccEI_MouseMove) { cVertex coord = ((cVertexEvent *)ev)->GetVertex (); switch (mControlMode) { case CM_WALK: switch (mMouseButtonState & (LEFT_BUTTON | MIDDLE_BUTTON)) { case LEFT_BUTTON: mDispatcher->SendEvent ( cVertexEvent ( ccW_WalkMove, cVertex (coord.GetX(), 0, coord.GetY ()))); break; case MIDDLE_BUTTON: mDispatcher->SendEvent ( cVertexEvent ( ccW_WalkMove, cVertex (coord.GetX(), -coord.GetY(), 0))); break; default: // x and y are swapped since we're talking about // rotation mDispatcher->SendEvent ( cVertexEvent ( ccW_WalkTurn, cVertex (10*coord.GetY(), -10*coord.GetX(), 0))); break; } return 0; break; case CM_ORBIT: switch (mMouseButtonState & (LEFT_BUTTON | MIDDLE_BUTTON)) { case LEFT_BUTTON: // orbit around mDispatcher->SendEvent ( cVertexEvent ( ccW_OrbitCamera, cVertex (20*coord.GetY(), -20*coord.GetX(), 0))); break; case MIDDLE_BUTTON: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (coord.GetX(), -coord.GetY(), 0))); break; default: mDispatcher->SendEvent ( cVertexEvent ( ccW_MoveLookAt, cVertex (coord.GetX(), 0, coord.GetY ()))); break; } return 0; break; case CM_MOVE_OBJECT: { cVertex newcoord; if ((mMouseButtonState & MIDDLE_BUTTON) > 0) { newcoord = cVertex (coord.GetX(), coord.GetZ(), coord.GetY()); } else { newcoord = cVertex (coord.GetX(), -coord.GetY(), coord.GetZ()); } mDispatcher->SendEvent ( cVertexEvent ( mGlobalMode ? ccIO_MoveObjectGlobal : ccIO_MoveObject, newcoord)); return 0; break; } case CM_ROTATE_OBJECT: { mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, coord.GetX(), cVertex (0.0, 1.0, 0.0))); if ((mMouseButtonState & MIDDLE_BUTTON) > 0) { mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, coord.GetY(), cVertex (0.0, 0.0, 1.0))); } else { mDispatcher->SendEvent ( cRotationEvent ( mGlobalMode ? ccIO_RotateObjectGlobal : ccIO_RotateObject, coord.GetY(), cVertex (1.0, 0.0, 0.0))); } return 0; break; } default: return -1; break; } } return -1; } #undef DEBUG_RECEIVE #undef DEBUG_SEND