436 lines
14 KiB
C++
436 lines
14 KiB
C++
//=============================================================================
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// Copyright (C) 2002 Radical Entertainment Ltd. All rights reserved.
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//
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// File: TriggerVolumeNode.cpp
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//
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// Description: Implement TriggerVolumeNode
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//
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// History: 23/05/2002 + 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 <windows.h>
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#include <GL/glu.h>
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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/TriggerVolumeNode.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 "utility/transformmatrix.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 TriggerVolumeNode::id( WBConstants::TypeIDPrefix, WBConstants::NodeIDs::TriggerVolume );
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const char* TriggerVolumeNode::stringId = "TriggerVolumeNode";
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const int TriggerVolumeNode::ACTIVE_COLOUR = 15;
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const int TriggerVolumeNode::INACTIVE_COLOUR = 22;
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const float TriggerVolumeNode::SCALE = 1.0f * WBConstants::Scale;
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const float TriggerVolumeNode::LINE_WIDTH = 5.0f;
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const char* TriggerVolumeNode::LOCATOR_NAME_SHORT = "l";
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const char* TriggerVolumeNode::LOCATOR_NAME_LONG = "locator";
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MObject TriggerVolumeNode::sLocator;
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const char* TriggerVolumeNode::TYPE_NAME_SHORT = "typ";
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const char* TriggerVolumeNode::TYPE_NAME_LONG = "type";
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MObject TriggerVolumeNode::sType;
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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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// TriggerVolumeNode::TriggerVolumeNode
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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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TriggerVolumeNode::TriggerVolumeNode() :
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mType( SPHERE )
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{
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}
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//==============================================================================
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// TriggerVolumeNode::~TriggerVolumeNode
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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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TriggerVolumeNode::~TriggerVolumeNode()
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{
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}
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//=============================================================================
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// TriggerVolumeNode::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* TriggerVolumeNode::creator()
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{
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return new TriggerVolumeNode();
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}
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//=============================================================================
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// TriggerVolumeNode::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 TriggerVolumeNode::draw( M3dView& view, const MDagPath& path, M3dView::DisplayStyle displayStyle, M3dView::DisplayStatus displayStatus )
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{
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if ( WorldBuilder::GetDisplayLevel() & WorldBuilder::TRIGGER_VOLUMES )
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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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// view.setDrawColor( INACTIVE_COLOUR, M3dView::kDormantColors );
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// GLExt::drawLine( localOrigin, localPosNN );
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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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//Determine the type of trigger volume.
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MFnDagNode fnDag( thisMObject() );
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MStatus status;
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MPlug typePlug = fnDag.findPlug( sType, &status );
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assert( status );
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int type;
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typePlug.getValue( type );
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//Test to see if there was a change.
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if( (Type)type != mType )
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{
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//Hmm, changing trigger volume types...
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if ( (Type)type == SPHERE )
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{
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//Becoming a sphere.
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MObject transform;
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transform = fnDag.parent( 0 );
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assert( !transform.isNull() );
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MFnDagNode fnTransDag( transform );
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//Test the scaling factors. If one is larger than
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//another, set them all to the same value.
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MPlug scaleX, scaleY, scaleZ;
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double x, y, z;
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scaleX = fnTransDag.findPlug( MString("sx"), &status );
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assert( status );
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scaleX.getValue( x );
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assert( status );
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scaleY = fnTransDag.findPlug( MString("sy"), &status );
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assert( status );
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scaleY.getValue( y );
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assert( status );
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scaleZ = fnTransDag.findPlug( MString("sz"), &status );
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assert( status );
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scaleZ.getValue( z );
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assert( status );
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//which is larger?
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double largest = 0;
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if ( x > largest )
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{
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largest = x;
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}
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if ( y > largest )
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{
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largest = y;
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}
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if ( z > largest )
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{
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largest = z;
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}
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x = largest;
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y = largest;
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z = largest;
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scaleX.setValue( x );
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scaleY.setValue( y );
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scaleZ.setValue( z );
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mType = SPHERE;
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}
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else if ( (Type)type == RECTANGLE )
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{
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//Becoming a rectangle.
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mType = RECTANGLE;
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}
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else
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{
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//Don't know what this is!
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assert( false );
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}
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}
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else
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{
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if ( mType == SPHERE )
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{
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MObject transform;
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transform = fnDag.parent( 0 );
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assert( !transform.isNull() );
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MFnDagNode fnTransDag( transform );
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//Test the scaling factors. If one is larger than
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//another, set them all to the same value.
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MPlug scaleX, scaleY, scaleZ;
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double x;
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scaleX = fnTransDag.findPlug( MString("sx"), &status );
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assert( status );
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scaleX.getValue( x );
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assert( status );
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scaleY = fnTransDag.findPlug( MString("sy"), &status );
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assert( status );
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scaleZ = fnTransDag.findPlug( MString("sz"), &status );
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assert( status );
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scaleY.setValue( x );
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scaleZ.setValue( x );
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GLExt::drawSphere( SCALE, 0,0,0, 5.0 );
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}
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else if ( mType == RECTANGLE )
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{
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MPoint p1( SCALE, SCALE, -SCALE );
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MPoint p2( -SCALE, -SCALE, SCALE );
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GLExt::drawBox( p1, p2, 5.0 );
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}
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else
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{
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assert( false );
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}
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}
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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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// TriggerVolumeNode::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 TriggerVolumeNode::initialize()
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{
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MFnMessageAttribute msgAttr;
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MStatus status;
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sLocator = msgAttr.create( LOCATOR_NAME_LONG, LOCATOR_NAME_SHORT, &status );
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RETURN_STATUS_ON_FAILURE( status );
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RETURN_STATUS_ON_FAILURE( msgAttr.setReadable( true ) );
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RETURN_STATUS_ON_FAILURE( msgAttr.setWritable( false ) );
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RETURN_STATUS_ON_FAILURE( addAttribute( sLocator ) );
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MFnEnumAttribute enumAttr;
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//Default to a SPHERE!
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sType = enumAttr.create( TYPE_NAME_LONG, TYPE_NAME_SHORT, 0, &status );
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RETURN_STATUS_ON_FAILURE( status );
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RETURN_STATUS_ON_FAILURE( enumAttr.setReadable( true ) );
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RETURN_STATUS_ON_FAILURE( enumAttr.setWritable( true ) );
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RETURN_STATUS_ON_FAILURE( enumAttr.addField( MString( "sphere" ), SPHERE ) );
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RETURN_STATUS_ON_FAILURE( enumAttr.addField( MString( "rectangle" ), RECTANGLE ) );
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RETURN_STATUS_ON_FAILURE( addAttribute( sType ) );
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return MStatus::kSuccess;
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}
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//=============================================================================
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// TriggerVolumeNode::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 TriggerVolumeNode::postConstructor()
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{
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//When my locator goes away, so do I.
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setExistWithoutOutConnections( false );
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}
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//=============================================================================
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// TriggerVolumeNode::Export
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//=============================================================================
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// Description: Comment
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//
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// Parameters: ( MObject& triggerVolumeNode )
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//
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// Return: tlDataChunk
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//
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//=============================================================================
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tlDataChunk* TriggerVolumeNode::Export( MObject& triggerVolumeNode )
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{
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MFnDagNode fnNode( triggerVolumeNode );
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if ( fnNode.typeId() == TriggerVolumeNode::id )
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{
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//Create a tlDataChunk and return it filled with the appropriate data.
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tlWBTriggerVolumeChunk* trigger = new tlWBTriggerVolumeChunk;
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trigger->SetName( fnNode.name().asChar() );
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int type;
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fnNode.findPlug( sType ).getValue( type );
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trigger->SetType( type );
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MObject transform;
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transform = fnNode.parent( 0 );
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MFnTransform fnTransform( transform );
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MDagPath dagPath;
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MExt::FindDagNodeByName( &dagPath, fnTransform.name() );
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TransformMatrix tm( dagPath );
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tlMatrix hmatrix;
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tm.GetHierarchyMatrixLHS( hmatrix );
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//Make this p3d friendly...
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hmatrix.element[3][0] /= WBConstants::Scale;
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hmatrix.element[3][1] /= WBConstants::Scale;
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hmatrix.element[3][2] /= WBConstants::Scale;
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//This is the translation / rotation matrix
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trigger->SetMatrix( hmatrix );
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//This is the scale.
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double scaleX, scaleY, scaleZ;
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fnTransform.findPlug( MString( "sx" ) ).getValue( scaleX );
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fnTransform.findPlug( MString( "sy" ) ).getValue( scaleY );
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fnTransform.findPlug( MString( "sz" ) ).getValue( scaleZ );
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trigger->SetScale( tlPoint( scaleX, scaleY, scaleZ ) );
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return trigger;
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}
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return NULL;
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}
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//=============================================================================
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// TriggerVolumeNode::GetScaleAndMatrix
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//=============================================================================
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// Description: Comment
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//
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// Parameters: ( MObject& triggerVolumeNode, tlMatrix& mat, tlPoint& point)
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//
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// Return: void
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//
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//=============================================================================
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void TriggerVolumeNode::GetScaleAndMatrix( MObject& triggerVolumeNode, tlMatrix& mat, tlPoint& point)
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{
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MFnDagNode fnNode( triggerVolumeNode );
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if ( fnNode.typeId() == TriggerVolumeNode::id )
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{
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int type;
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fnNode.findPlug( sType ).getValue( type );
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MObject transform;
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transform = fnNode.parent( 0 );
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MFnTransform fnTransform( transform );
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MDagPath dagPath;
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MExt::FindDagNodeByName( &dagPath, fnTransform.name() );
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TransformMatrix tm( dagPath );
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tlMatrix hmatrix;
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tm.GetHierarchyMatrixLHS( mat );
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//Make this p3d friendly...
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mat.element[3][0] /= WBConstants::Scale;
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mat.element[3][1] /= WBConstants::Scale;
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mat.element[3][2] /= WBConstants::Scale;
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//This is the scale.
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double scaleX, scaleY, scaleZ;
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fnTransform.findPlug( MString( "sx" ) ).getValue( scaleX );
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fnTransform.findPlug( MString( "sy" ) ).getValue( scaleY );
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fnTransform.findPlug( MString( "sz" ) ).getValue( scaleZ );
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point = tlPoint( scaleX, scaleY, scaleZ );
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}
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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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