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