//============================================================================= // Copyright (C) 2002 Radical Entertainment Ltd. All rights reserved. // // File: OcclusionLocatorNode.cpp // // Description: Implement OcclusionLocatorNode // // History: 28/06/2002 + Created -- Cary Brisebois // //============================================================================= //======================================== // System Includes //======================================== #include "main/toolhack.h" #include //======================================== // Project Includes //======================================== #include "nodes/OcclusionLocatorNode.h" #include "main/constants.h" #include "main/worldbuilder.h" #include "utility/glext.h" #include "utility/mext.h" #include "utility/nodehelper.h" #include "nodes/triggervolumenode.h" #include "resources/resource.h" #include "../../../game/code/meta/locatortypes.h" //****************************************************************************** // // Global Data, Local Data, Local Classes // //****************************************************************************** MTypeId OcclusionLocatorNode::id( WBConstants::TypeIDPrefix, WBConstants::NodeIDs::OcclusionLocator ); const char* OcclusionLocatorNode::stringId = "OcclusionLocatorNode"; const int OcclusionLocatorNode::ACTIVE_COLOUR = 15; const int OcclusionLocatorNode::INACTIVE_COLOUR = 12; const float OcclusionLocatorNode::SCALE = 1.0f * WBConstants::Scale; const char* OcclusionLocatorNode::TRIGGERS_NAME_SHORT = "trigs"; const char* OcclusionLocatorNode::TRIGGERS_NAME_LONG = "triggers"; MObject OcclusionLocatorNode::sTriggers; char OcclusionLocatorNode::sNewName[MAX_NAME_LEN]; //****************************************************************************** // // Callbacks // //****************************************************************************** BOOL CALLBACK OcclusionLocatorNameCallBack( HWND hWnd, UINT uMsg, UINT wParam, long lParam ) { switch (uMsg) { case WM_INITDIALOG: { SetDlgItemText( hWnd, IDC_EDIT2, WorldBuilder::GetPrefix() ); return true; } break; case WM_COMMAND: { if ( LOWORD(wParam) == IDC_BUTTON1 || LOWORD(wParam) == IDOK ) { //Get the entry in the text field. char name[OcclusionLocatorNode::MAX_NAME_LEN]; GetDlgItemText( hWnd, IDC_EDIT1, name, OcclusionLocatorNode::MAX_NAME_LEN ); if ( strcmp(name, "") == 0 ) { MExt::DisplayWarning("You must input a new name for the Occlusion Locator!"); return false; } MString newName( WorldBuilder::GetPrefix() ); newName += MString( name ); OcclusionLocatorNode::SetNewName( newName.asChar() ); EndDialog( hWnd, 0 ); //this is how you close the window. return true; } else if( LOWORD(wParam) == IDCANCEL ) { OcclusionLocatorNode::SetNewName( "" ); EndDialog( hWnd, 0 ); //this is how you close the window. return true; } return false; } break; default: { return false; } break; } } //****************************************************************************** // // Public Member Functions // //****************************************************************************** //============================================================================== // OcclusionLocatorNode::OcclusionLocatorNode //============================================================================== // Description: Constructor. // // Parameters: None. // // Return: N/A. // //============================================================================== OcclusionLocatorNode::OcclusionLocatorNode() { } //============================================================================== // OcclusionLocatorNode::~OcclusionLocatorNode //============================================================================== // Description: Destructor. // // Parameters: None. // // Return: N/A. // //============================================================================== OcclusionLocatorNode::~OcclusionLocatorNode() { } //============================================================================= // OcclusionLocatorNode::creator //============================================================================= // Description: Comment // // Parameters: () // // Return: void // //============================================================================= void* OcclusionLocatorNode::creator() { return new OcclusionLocatorNode(); } //============================================================================= // OcclusionLocatorNode::draw //============================================================================= // Description: Comment // // Parameters: ( M3dView& view, const MDagPath& path, M3dView::DisplayStyle displayStyle, M3dView::DisplayStatus displayStatus ) // // Return: void // //============================================================================= void OcclusionLocatorNode::draw( M3dView& view, const MDagPath& path, M3dView::DisplayStyle displayStyle, M3dView::DisplayStatus displayStatus ) { if ( WorldBuilder::GetDisplayLevel() & WorldBuilder::OCCLUSION_LOCATORS ) { view.beginGL(); glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT ); //When we are in render mode, we draw the lines between the nodes. //If this was in GL_SELECTION_MODE, we would not draw the lines, so they won't interfere //with selection. GLint value; glGetIntegerv( GL_RENDER_MODE, &value ); //Draw things here we don't want selectable. if ( (value == GL_RENDER) ) { MPlugArray sources, targets; MFnDagNode fnNode( thisMObject() ); MPlug triggersPlug = fnNode.findPlug( sTriggers ); MExt::ResolveConnections( &sources, &targets, triggersPlug, true, false ); unsigned int i; for ( i = 0; i < targets.length(); ++i ) { //Draw a box around the source trigger volume. MPoint triggerWP, thisWP; MExt::GetWorldPosition( &triggerWP, sources[i].node() ); MExt::GetWorldPosition( &thisWP, thisMObject() ); MPoint triggerLP; triggerLP = triggerWP - thisWP; if ( i == 0 ) { //This is the triggering volume view.setDrawColor( 3, M3dView::kActiveColors ); } else { //These are the occluding volumes. view.setDrawColor( 8, M3dView::kActiveColors ); } GLExt::drawLine( MPoint(0,0,0), triggerLP, 5.0f ); } } if ( displayStatus == M3dView::kDormant ) { int colour = NodeHelper::OverrideNodeColour( thisMObject(), INACTIVE_COLOUR ); view.setDrawColor( colour, M3dView::kDormantColors ); } else { view.setDrawColor( ACTIVE_COLOUR, M3dView::kActiveColors ); } //Draw a star to represent the locator. GLExt::drawCrossHair3D( SCALE, 0,0,0, 5.0 ); GLExt::drawPyramid( SCALE, 0,0,0, 5.0 ); GLExt::drawO( SCALE, 0,1,0, 5.0 ); glPopAttrib(); view.endGL(); } } //============================================================================= // OcclusionLocatorNode::initialize //============================================================================= // Description: Comment // // Parameters: () // // Return: MStatus // //============================================================================= MStatus OcclusionLocatorNode::initialize() { MFnMessageAttribute msgAttr; MStatus status; sTriggers = msgAttr.create( TRIGGERS_NAME_LONG, TRIGGERS_NAME_SHORT, &status ); RETURN_STATUS_ON_FAILURE( status ); RETURN_STATUS_ON_FAILURE( msgAttr.setReadable( false ) ); RETURN_STATUS_ON_FAILURE( msgAttr.setWritable( true ) ); RETURN_STATUS_ON_FAILURE( msgAttr.setArray( true ) ); RETURN_STATUS_ON_FAILURE( msgAttr.setIndexMatters( false ) ); RETURN_STATUS_ON_FAILURE( addAttribute( sTriggers ) ); return MStatus::kSuccess; } //============================================================================= // OcclusionLocatorNode::postConstructor //============================================================================= // Description: Comment // // Parameters: () // // Return: void // //============================================================================= void OcclusionLocatorNode::postConstructor() { } //============================================================================= // OcclusionLocatorNode::Export //============================================================================= // Description: Comment // // Parameters: ( MObject& occlusionLocatorNode ) // // Return: tlDataChunk // //============================================================================= tlDataChunk* OcclusionLocatorNode::Export( MObject& occlusionLocatorNode ) { MFnDagNode fnNode( occlusionLocatorNode ); if ( fnNode.typeId() == OcclusionLocatorNode::id ) { //Create a tlDataChunk and return it filled with the appropriate data. tlWBLocatorChunk* locator = new tlWBLocatorChunk; locator->SetName( fnNode.name().asChar() ); locator->SetType( LocatorType::OCCLUSION ); locator->SetNumDataElements( 0 ); MPoint thisPosition; MExt::GetWorldPosition( &thisPosition, occlusionLocatorNode ); //Set the values. tlPoint point; point[0] = thisPosition[0] / WBConstants::Scale; point[1] = thisPosition[1] / WBConstants::Scale; point[2] = -thisPosition[2] / WBConstants::Scale; //Maya vs. P3D... locator->SetPosition( point ); //Make the trigger volumes a sub-chunk of the locator... MPlugArray sources, targets; MPlug triggersPlug = fnNode.findPlug( sTriggers ); MExt::ResolveConnections( &sources, &targets, triggersPlug, true, false ); //Hold onto the visiblers until the end. tlDataChunk* visiblers = new tlDataChunk; unsigned long numVisiblers = 0; unsigned long numRegular = 0; unsigned int i; for ( i = 0; i < sources.length(); ++i ) { tlDataChunk* trigger = TriggerVolumeNode::Export( sources[ i ].node() ); assert( trigger ); MFnDagNode fnTrigNode( sources[ i ].node() ); if ( fnTrigNode.name().substring( 0, 0 ) == MString("V") ) { visiblers->AppendSubChunk( trigger, 0 ); ++numVisiblers; } else { locator->AppendSubChunk( trigger ); ++numRegular; } } //Subtract one from the num regular to not cound the primary trigger. numRegular--; //Now add the visiblers to the end of the list. if ( numVisiblers ) { visiblers->TransferSubChunks( locator ); //Record how many of these triggers are regular. locator->SetDataElements( &numRegular, 1 ); locator->SetNumDataElements( 1 ); } locator->SetNumTriggers( i ); return locator; } return NULL; } //****************************************************************************** // // Private Member Functions // //******************************************************************************