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Selection.cpp
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Selection.cpp
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// Selection.cpp: implementation of the CSelection class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "Selection.h"
#include "Shadow.h"
#include "Options.h"
#include "State.h"
#include "System.h"
#include "AFC.h"
#include "ViewUI.h"
#include "Math.h"
#include "RenderGL/Scene.h"
//#include "RenderGL/Model.h"
extern CState State;
extern COptions Options;
extern CMath Math;
extern CSystem System;
extern ADialogBar MainBar;
extern AToolBar BottomToolBar;
extern CViewUI ViewUI;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CSelection::CSelection()
{
InfoCount = 0;
ActiveInfos = 0;
pInfo = NULL;
Selected = FALSE;
VertexCount = 0;
ActiveVertices = 0;
pVertex = NULL;
GizmoVisible = FALSE;
BoxesVisible = FALSE;
RegionVisible = FALSE;
GizmoHighlighted = FALSE;
pScene = NULL;
RegionType = 0;
PointCount = 0;
ActivePoints = 0;
RegionType = SRT_RECTANGLE;
pRegionPoint = NULL;
pPoint = NULL;
pPointReflected = NULL;
pPlane = NULL;
TempBoxMesh.AddObject();
TempBoxMesh.AddVertices( 0, 8 );
TempBoxMesh.AddTriangle( 0, 3, 1, 0 );
TempBoxMesh.AddTriangle( 0, 3, 2, 1 );
TempBoxMesh.AddTriangle( 0, 7, 2, 3 );
TempBoxMesh.AddTriangle( 0, 7, 6, 2 );
TempBoxMesh.AddTriangle( 0, 6, 1, 2 );
TempBoxMesh.AddTriangle( 0, 6, 5, 1 );
TempBoxMesh.AddTriangle( 0, 4, 3, 0 );
TempBoxMesh.AddTriangle( 0, 4, 7, 3 );
TempBoxMesh.AddTriangle( 0, 5, 0, 1 );
TempBoxMesh.AddTriangle( 0, 5, 4, 0 );
TempBoxMesh.AddTriangle( 0, 4, 6, 7 );
TempBoxMesh.AddTriangle( 0, 4, 5, 6 );
}
CSelection::~CSelection()
{
}
//////////////////////////////////////////////////////////////////////
// Member Functions
//////////////////////////////////////////////////////////////////////
void CSelection::SetScene( CScene *pscene )
{
pScene = pscene;
}
void CSelection::UpdateCenter()
{
if( !pScene ) { return; }
GizmoPosition[0] = 0;
GizmoPosition[1] = 0;
GizmoPosition[2] = 0;
CModel *pModel;
State.TempValue1 = 0;
for( UINT n = 0; n < ActiveInfos; n++ )
{
if( pInfo[n].ObjectType == MODEL )
{
pModel = (CModel*)pInfo[n].pObject;
if( Options.CenterType == CENTER_ORIGIN ) { Math.AddVectors3( &GizmoPosition, &pModel->Position, &GizmoPosition ); }
if( Options.CenterType == CENTER_SELECTION )
{
Math.AddVectors3( &GizmoPosition, &pModel->Position, &GizmoPosition );
Math.AddVectors3( &GizmoPosition, &pModel->BoxPosition, &GizmoPosition );
}
State.TempValue1++;
}
}
Math.DivideVector3( &GizmoPosition, State.TempValue1, &GizmoPosition );
}
void CSelection::UpdateClippingPlanes()
{
//Near Clipping Plane
Math.ScaleVector3( &State.View.Direction, State.View.ClipNear, &State.TempVector3a );
Math.AddVectors3( &State.View.Position, &State.TempVector3a, &State.TempVector3a );
Math.MakePlane( &State.TempVector3a, &State.View.Direction, &ClipNear );
//Far Clipping Plane
Math.ScaleVector3( &State.View.Direction, -1, &State.TempVector3a );
Math.ScaleVector3( &State.View.Direction, State.View.ClipFar, &State.TempVector3b );
Math.AddVectors3( &State.View.Position, &State.TempVector3b, &State.TempVector3b );
Math.MakePlane( &State.TempVector3b, &State.TempVector3a, &ClipFar );
}
void CSelection::UpdateRegion( POINT position )
{
//Assign Region Type
// RegionType = SRT_POINT;
State.TempRect2.left = position.x - 1;
State.TempRect2.right = position.x + 1;
State.TempRect2.top = position.y - 1;
State.TempRect2.bottom = position.y + 1;
UpdateRegion( State.TempRect2, TRUE );
SelectIntersecting = TRUE;
// UpdateClippingPlanes();
}
void CSelection::UpdateRegion( RECT rectangle, bool updateVolume )
{
SelectIntersecting = Options.SelectIntersecting;
//Initialize Region
if( PointCount < 5 )
{
PointCount = 5;
pRegionPoint = (Int2*)realloc( pRegionPoint,PointCount * sizeof( Int2 ) );
pPoint = (Float3*)realloc( pPoint, PointCount * sizeof( Float3 ) );
pPointReflected = (Float3*)realloc( pPointReflected, PointCount * sizeof( Float3 ) );
pPlane = (Float4*)realloc( pPlane, ( PointCount - 1 ) * sizeof( Float4 ) );
}
ActivePoints = 5;
// Adjust Rectangle ( Correct Polygon Winding )
if( ( rectangle.right < rectangle.left ) ) { State.TempValue1 = (float)rectangle.right; rectangle.right = rectangle.left; rectangle.left = (int)State.TempValue1; }
if( ( rectangle.bottom > rectangle.top ) ) { State.TempValue1 = (float)rectangle.bottom; rectangle.bottom = rectangle.top; rectangle.top = (int)State.TempValue1; }
//Fill Region Point Array
pRegionPoint[0][0] = rectangle.left;
pRegionPoint[0][1] = rectangle.top;
pRegionPoint[1][0] = rectangle.right;
pRegionPoint[1][1] = rectangle.top;
pRegionPoint[2][0] = rectangle.right;
pRegionPoint[2][1] = rectangle.bottom;
pRegionPoint[3][0] = rectangle.left;
pRegionPoint[3][1] = rectangle.bottom;
pRegionPoint[4][0] = rectangle.left;
pRegionPoint[4][1] = rectangle.top;
if( !updateVolume ) { return; }
//Prepare For Un-Projecting
System.View[System.ViewActive].PrepareSelection();
glGetDoublev( GL_MODELVIEW_MATRIX, State.ModelMatrix );
glGetDoublev( GL_PROJECTION_MATRIX, State.ProjMatrix );
glGetIntegerv( GL_VIEWPORT, State.Viewport );
UINT n;
//Calculate Region Point Vectors
for( n = 0; n < ActivePoints; n++ )
{
gluUnProject( pRegionPoint[n][0], pRegionPoint[n][1], 1, State.ModelMatrix, State.ProjMatrix, State.Viewport, &State.TempVectord3a[0], &State.TempVectord3a[1], &State.TempVectord3a[2] );
Math.CopyVector3( &pPoint[n], &State.TempVectord3a );
}
//Calculate Region Volume Planes
if( State.View.Type == VT_PERSPECTIVE )
{
//Use Classical 3D Position ( 2 Points + Position Form a Triangle -> n - 1 Triangles )
for( n = 0; n < ActivePoints - 1; n++ )
{
Math.MakePlane( &State.View.Position, &pPoint[n], &pPoint[n + 1], &pPlane[n] );
}
}
else
{
//Use Classical 3D Position ( 2 Points + 2 Reflected Points Form 2 Triangles -> 2 * ( n - 1 ) Triangles )
for( n = 0; n < ActivePoints - 1; n++ )
{
Math.MakeVector3( &pPoint[n], &pPoint[n + 1], &State.TempVector3a );
Math.NormalizeVector3( &State.TempVector3a, &State.TempVector3a );
Math.CrossVectors3( &State.View.Direction, &State.TempVector3a, &State.TempVector3b );
Math.NormalizeVector3( &State.TempVector3b, &State.TempVector3b );
Math.MakePlane( &pPoint[n], &State.TempVector3b, &pPlane[n] );
}
for( n = 0; n < ActivePoints; n++ )
{
Math.ScaleVector3( &State.View.Direction, 0.0002f * State.View.ClipNear, &State.TempVector3e );
Math.AddVectors3( &State.TempVector3e, &pPoint[n], &pPointReflected[n] );
}
}
UpdateClippingPlanes();
}
void CSelection::UpdateRegion( POINT *ppoint, UINT pointCount, bool updateVolume )
{
SelectIntersecting = Options.SelectIntersecting;
if( PointCount < pointCount )
{
PointCount = pointCount;
pRegionPoint = (Int2*)realloc( pRegionPoint,PointCount * sizeof( Int2 ) );
pPoint = (Float3*)realloc( pPoint, PointCount * sizeof( Float3 ) );
pPointReflected = (Float3*)realloc( pPointReflected, PointCount * sizeof( Float3 ) );
pPlane = (Float4*)realloc( pPlane, ( PointCount - 1 ) * sizeof( Float4 ) );
}
ActivePoints = pointCount;
UINT n;
//Fill Region Point Array
for( n = 0; n < pointCount; n++ ) { pRegionPoint[n][0] = ppoint[n].x; pRegionPoint[n][1] = ppoint[n].y; }
if( !updateVolume ) { return; }
//Prepare For Un-Projecting
System.View[System.ViewActive].PrepareSelection();
glGetDoublev( GL_MODELVIEW_MATRIX, State.ModelMatrix );
glGetDoublev( GL_PROJECTION_MATRIX, State.ProjMatrix );
glGetIntegerv( GL_VIEWPORT, State.Viewport );
//Calculate Region Point Vectors
for( n = 0; n < ActivePoints; n++ )
{
gluUnProject( pRegionPoint[n][0], pRegionPoint[n][1], 1, State.ModelMatrix, State.ProjMatrix, State.Viewport, &State.TempVectord3a[0], &State.TempVectord3a[1], &State.TempVectord3a[2] );
Math.CopyVector3( &pPoint[n], &State.TempVectord3a );
}
//Calculate Region Volume Planes
if( State.View.Type == VT_PERSPECTIVE )
{
//Use Classical 3D Position ( 2 Points + Position Form a Triangle -> n - 1 Triangles )
for( n = 0; n < ActivePoints - 1; n++ )
{
Math.MakePlane( &State.View.Position, &pPoint[n], &pPoint[n + 1], &pPlane[n] );
}
}
else
{
//Use Classical 3D Position ( 2 Points + 2 Reflected Points Form 2 Triangles -> 2 * ( n - 1 ) Triangles )
for( n = 0; n < ActivePoints - 1; n++ )
{
Math.MakeVector3( &pPoint[n], &pPoint[n + 1], &State.TempVector3a );
Math.NormalizeVector3( &State.TempVector3a, &State.TempVector3a );
Math.CrossVectors3( &State.View.Direction, &State.TempVector3a, &State.TempVector3b );
Math.NormalizeVector3( &State.TempVector3b, &State.TempVector3b );
Math.MakePlane( &pPoint[n], &State.TempVector3b, &pPlane[n] );
}
for( n = 0; n < ActivePoints; n++ )
{
Math.ScaleVector3( &State.View.Direction, 0.0002f * State.View.ClipNear, &State.TempVector3e );
Math.AddVectors3( &State.TempVector3e, &pPoint[n], &pPointReflected[n] );
}
}
UpdateClippingPlanes();
}
void CSelection::ClearEntries()
{
if( !pScene ) { return; }
for( UINT n = 0; n < pScene->ModelCount; n++ )
{
pScene->pModel[n].Selected = FALSE;
}
if( pInfo )
{
free( pInfo );
}
pInfo = NULL;
ActiveInfos = 0;
InfoCount = 0;
GizmoVisible = FALSE;
BoxesVisible = FALSE;
Selected = FALSE;
}
void CSelection::ClearBuffer()
{
if( pVertex ) { free( pVertex ); }
VertexCount = 0;
ActiveVertices = 0;
pVertex = NULL;
}
void CSelection::ResizeBuffer( UINT size )
{
VertexCount = size;
pVertex = (Float3*)realloc( pVertex, sizeof( Float3 ) * VertexCount );
}
int CSelection::AddEntry( UINT objType, UINT objIndex, void *pobject, bool displayBox )
{
if( !pScene ) { return -1; }
ActiveInfos++;
if( ActiveInfos > InfoCount )
{
InfoCount++;
pInfo = (tSelectionInfo*)realloc( pInfo, InfoCount * sizeof( tSelectionInfo ) );
}
pInfo[ActiveInfos - 1].ObjectType = objType;
pInfo[ActiveInfos - 1].ObjectIndex = objIndex;
pInfo[ActiveInfos - 1].SubObjectType = -1;
pInfo[ActiveInfos - 1].SubObjectIndex = -1;
pInfo[ActiveInfos - 1].pObject = pobject;
pInfo[ActiveInfos - 1].DisplayBox = displayBox;
pInfo[ActiveInfos - 1].pObject = pobject;
pInfo[ActiveInfos - 1].DisplayBox = displayBox;
if( objType == MODEL )
{
CModel *pModel = (CModel*)pobject;
pInfo[ActiveInfos - 1].Position[0] = pModel->Position[0];
pInfo[ActiveInfos - 1].Position[1] = pModel->Position[1];
pInfo[ActiveInfos - 1].Position[2] = pModel->Position[2];
pInfo[ActiveInfos - 1].Rotation[0] = pModel->Rotation[0];
pInfo[ActiveInfos - 1].Rotation[1] = pModel->Rotation[1];
pInfo[ActiveInfos - 1].Rotation[2] = pModel->Rotation[2];
pInfo[ActiveInfos - 1].Scale[0] = pModel->Scale[0];
pInfo[ActiveInfos - 1].Scale[1] = pModel->Scale[1];
pInfo[ActiveInfos - 1].Scale[2] = pModel->Scale[2];
pModel->Selected = TRUE;
}
GizmoVisible = TRUE;
BoxesVisible = TRUE;
UpdateInfoDialog();
return ActiveInfos - 1;
}
void CSelection::SetEntry( UINT index, UINT objType, UINT objIndex, void *pobject, bool displayBox, Float3 *position )
{
pInfo[index].ObjectIndex = objIndex;
pInfo[index].ObjectType = objType;
pInfo[index].SubObjectType = -1;
pInfo[index].SubObjectIndex = -1;
pInfo[index].pObject = pobject;
pInfo[index].DisplayBox = displayBox;
pInfo[index].Position[0] = position[0][0];
pInfo[index].Position[1] = position[0][1];
pInfo[index].Position[2] = position[0][2];
UpdateInfoDialog();
}
int CSelection::AddEntry( UINT objType, UINT objIndex, UINT subObjType, UINT subObjIndex, void *pobject, bool displayBox )
{
if( !pScene ) { return -1; }
ActiveInfos++;
if( ActiveInfos > InfoCount )
{
InfoCount++;
pInfo = (tSelectionInfo*)realloc( pInfo, InfoCount * sizeof( tSelectionInfo ) );
}
pInfo[ActiveInfos - 1].ObjectType = objType;
pInfo[ActiveInfos - 1].ObjectIndex = objIndex;
pInfo[ActiveInfos - 1].SubObjectType = subObjType;
pInfo[ActiveInfos - 1].SubObjectIndex = subObjIndex;
pInfo[ActiveInfos - 1].pObject = pobject;
pInfo[ActiveInfos - 1].DisplayBox = displayBox;
if( objType == MODEL )
{
CModel *pModel = (CModel*)pobject;
pInfo[ActiveInfos - 1].Position[0] = pModel->Position[0];
pInfo[ActiveInfos - 1].Position[1] = pModel->Position[1];
pInfo[ActiveInfos - 1].Position[2] = pModel->Position[2];
pInfo[ActiveInfos - 1].Rotation[0] = pModel->Rotation[0];
pInfo[ActiveInfos - 1].Rotation[1] = pModel->Rotation[1];
pInfo[ActiveInfos - 1].Rotation[2] = pModel->Rotation[2];
pInfo[ActiveInfos - 1].Scale[0] = pModel->Scale[0];
pInfo[ActiveInfos - 1].Scale[1] = pModel->Scale[1];
pInfo[ActiveInfos - 1].Scale[2] = pModel->Scale[2];
pModel->Selected = TRUE;
}
GizmoVisible = TRUE;
BoxesVisible = TRUE;
UpdateInfoDialog();
return ActiveInfos - 1;
}
void CSelection::SetEntry( UINT index, UINT objType, UINT objIndex, UINT subObjType, UINT subObjIndex, void *pobject, bool displayBox, Float3 *position )
{
pInfo[index].ObjectIndex = objIndex;
pInfo[index].ObjectType = objType;
pInfo[index].SubObjectType = subObjType;
pInfo[index].SubObjectIndex = subObjIndex;
pInfo[index].pObject = pobject;
pInfo[index].DisplayBox = displayBox;
pInfo[index].Position[0] = position[0][0];
pInfo[index].Position[1] = position[0][1];
pInfo[index].Position[2] = position[0][2];
UpdateInfoDialog();
}
void CSelection::RemoveEntry( UINT index )
{
if( !pScene ) { return; }
if( ActiveInfos == 0 ) { return; }
if( pInfo[index].ObjectType == MODEL )
{
CModel *pModel = (CModel*)pInfo[index].pObject;
pModel->Selected = FALSE;
}
pInfo[index] = pInfo[ActiveInfos - 1];
ActiveInfos--;
if( ActiveInfos > 0 ) { UpdateInfoDialog(); }
if( ActiveInfos == 0 ) { GizmoVisible = FALSE; BoxesVisible = FALSE; }
}
int CSelection::FindEntry( UINT objType, UINT objIndex, UINT subObjType, UINT subObjIndex, bool displayBox )
{
for( UINT n = 0; n < ActiveInfos; n++ )
{
if( ( pInfo[n].ObjectType == objType ) && ( pInfo[n].ObjectIndex == objIndex ) && ( pInfo[n].SubObjectType == subObjType ) && ( pInfo[n].SubObjectIndex == subObjIndex ) && ( pInfo[n].DisplayBox == displayBox ) ) { return n; }
}
return -1;
}
int CSelection::FindEntry( UINT objType, UINT objIndex, bool displayBox )
{
for( UINT n = 0; n < ActiveInfos; n++ )
{
if( ( pInfo[n].ObjectType == objType ) && ( pInfo[n].ObjectIndex == objIndex ) && ( pInfo[n].DisplayBox == displayBox ) ) { return n; }
}
return -1;
}
bool CSelection::ModelInRegion( UINT index )
{
if( !pScene ) { return FALSE; }
//Range Checking
if( index >= pScene->ModelCount ) { return FALSE; }
//Clipping
if( ( ClipNear[0] * ( pScene->pModel[index].Position[0] + pScene->pModel[index].BoxPosition[0] + pScene->pModel[index].BoxSize[0] ) + ClipNear[1] * ( pScene->pModel[index].Position[1] + pScene->pModel[index].BoxPosition[1] + pScene->pModel[index].BoxSize[1] ) + ClipNear[2] * ( pScene->pModel[index].Position[2] + pScene->pModel[index].BoxPosition[2] + pScene->pModel[index].BoxSize[2] ) + ClipNear[3] ) < 0 ) { return FALSE; }
if( ( ClipFar[0] * ( pScene->pModel[index].Position[0] + pScene->pModel[index].BoxPosition[0] + pScene->pModel[index].BoxSize[0] ) + ClipFar[1] * ( pScene->pModel[index].Position[1] + pScene->pModel[index].BoxPosition[1] + pScene->pModel[index].BoxSize[1] ) + ClipFar[2] * ( pScene->pModel[index].Position[2] + pScene->pModel[index].BoxPosition[2] + pScene->pModel[index].BoxSize[2] ) + ClipFar[3] ) < 0 ) { return FALSE; }
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
//Scale Objects ( Increase Accuracy )
if( System.View[System.ViewActive].ID == VIEW_TOP ) { glScalef( 1.0f, 0.0001f, 1.0f ); }
if( System.View[System.ViewActive].ID == VIEW_LEFT ) { glScalef( 0.0001f, 1.0f, 1.0f ); }
if( System.View[System.ViewActive].ID == VIEW_FRONT ) { glScalef( 1.0f, 1.0f, 0.0001f ); }
//Bounding Box Transformations
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
glTranslatef( pScene->pModel[index].Position[0], pScene->pModel[index].Position[1], pScene->pModel[index].Position[2] );
// glScalef( pScene->pModel[index].Scale[0], pScene->pModel[index].Scale[1], pScene->pModel[index].Scale[2] );
glTranslatef( pScene->pModel[index].BoxPosition[0], pScene->pModel[index].BoxPosition[1], pScene->pModel[index].BoxPosition[2] );
glRotatef( pScene->pModel[index].Rotation[0], 1, 0, 0 );
glRotatef( pScene->pModel[index].Rotation[1], 0, 1, 0 );
glRotatef( pScene->pModel[index].Rotation[2], 0, 0, 1 );
glGetDoublev( GL_MODELVIEW_MATRIX, ModelMatrix );
State.TempBool1 = BoxInRegion( &pScene->pModel[index].BoxSize, TRUE );
glPopMatrix();
//Model Transformations
glTranslatef( pScene->pModel[index].Position[0], pScene->pModel[index].Position[1], pScene->pModel[index].Position[2] );
glRotatef( pScene->pModel[index].Rotation[0], 1, 0, 0 );
glRotatef( pScene->pModel[index].Rotation[1], 0, 1, 0 );
glRotatef( pScene->pModel[index].Rotation[2], 0, 0, 1 );
glScalef( pScene->pModel[index].Scale[0], pScene->pModel[index].Scale[1], pScene->pModel[index].Scale[2] );
glGetDoublev( GL_MODELVIEW_MATRIX, ModelMatrix );
//Test For Model Extents
if( State.TempBool1 )
{
//Search All Objects of Current Model
for( UINT m = 0; m < pScene->pModel[index].Mesh.ObjectCount; m++ )
{
//Initialize Vertex Buffer
if( pScene->pModel[index].Mesh.pObject[m].VertexCount > VertexCount ) { ResizeBuffer( pScene->pModel[index].Mesh.pObject[m].VertexCount ); }
ActiveVertices = pScene->pModel[index].Mesh.pObject[m].VertexCount;
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
//Object Transformations
glTranslatef( pScene->pModel[index].Mesh.pObject[m].Position[0], pScene->pModel[index].Mesh.pObject[m].Position[1], pScene->pModel[index].Mesh.pObject[m].Position[2] );
glRotatef( pScene->pModel[index].Mesh.pObject[m].Rotation[0], 1, 0, 0 );
glRotatef( pScene->pModel[index].Mesh.pObject[m].Rotation[1], 0, 1, 0 );
glRotatef( pScene->pModel[index].Mesh.pObject[m].Rotation[2], 0, 0, 1 );
glGetDoublev( GL_MODELVIEW_MATRIX, ModelMatrix );
//Object Volume Checking
if( ObjectInRegion( &pScene->pModel[index].Mesh.pObject[m], SelectIntersecting ) )
{
glPopMatrix();
return TRUE;
}
glPopMatrix();
}
}
return FALSE;
}
bool CSelection::ParseModels( UINT mode )
{
if( ( !pScene ) || ( pScene->ModelCount == 0 ) ) { return FALSE; }
UINT n, m;
if( mode == SM_CURSOR_TEST_ALL )
{
for( n = 0; n < ActiveInfos; n++ ) { if( ModelAtCursor( pInfo[n].ObjectIndex ) ) { return TRUE; } }
for( n = 0; n < pScene->ModelCount; n++ )
{
for( m = 0; m < ActiveInfos; m++ ) if( pInfo[m].ObjectIndex == n ) { continue; }
if( ModelAtCursor( n ) ) { return TRUE; }
}
return FALSE;
}
if( mode == SM_CURSOR_TEST_SELECTED )
{
for( n = 0; n < ActiveInfos; n++ ) { if( ModelAtCursor( pInfo[n].ObjectIndex ) ) { return TRUE; } }
return FALSE;
}
StartIndex = 0;
State.TempBool1 = FALSE;
State.TempBool2 = FALSE;
if( mode == SM_SELECT_MULTY ) { ClearEntries(); }
//Handle Single Select -> Selection Cycling
if( ( mode == SM_SELECT_SINGLE ) )
{
if( ( State.Tool.Type == TOOL_EDIT ) && ( ActiveInfos == 1 ) && ModelInRegion( pInfo[0].ObjectIndex ) ) { return TRUE; }
if( ( ActiveInfos == 1 ) && ModelInRegion( pInfo[0].ObjectIndex ) ) { StartIndex = pInfo[0].ObjectIndex + 1; State.TempBool2 = TRUE; }
if( ActiveInfos > 1 ) { ClearEntries(); }
if( StartIndex == pScene->ModelCount ) { StartIndex = 0; State.TempBool2 = FALSE; }
}
//Search All Models
for( n = StartIndex; n < pScene->ModelCount; n++ )
{
if( ModelInRegion( n ) )
{
if( mode == SM_SELECT_SINGLE )
{
ClearEntries();
AddEntry( MODEL, n, (void*)&pScene->pModel[n], TRUE );
State.TempBool1 = TRUE;
return TRUE;
}
if( mode == SM_SELECT_MULTY ) { AddEntry( MODEL, n, (void*)&pScene->pModel[n], TRUE ); }
if( mode == SM_ADD ) { if( FindEntry( MODEL, n, TRUE ) < 0 ) { AddEntry( MODEL, n, (void*)&pScene->pModel[n], TRUE ); } }
if( mode == SM_MODIFY )
{
State.TempValue1 = (float)FindEntry( MODEL, n, TRUE );
if( (int)State.TempValue1 >= 0 ) { RemoveEntry( (int)State.TempValue1 ); }
else { AddEntry( MODEL, n, (void*)&pScene->pModel[n], TRUE ); }
if( ActiveInfos > 0 ) { return TRUE; }
else { return FALSE; }
}
}
}
if( ( mode == SM_SELECT_SINGLE ) && ( State.TempBool1 == FALSE ) )
{
for( UINT n = 0; n < StartIndex + 1; n++ )
{
if( ModelInRegion( n ) )
{
ClearEntries();
AddEntry( MODEL, n, (void*)&pScene->pModel[n], TRUE );
State.TempBool1 = TRUE;
return TRUE;
}
}
}
if( ( mode == SM_SELECT_SINGLE ) && ( ActiveInfos == 1 ) && ( State.TempBool1 == FALSE ) ) { ClearEntries(); }
if( ActiveInfos > 0 ) { return TRUE; }
return FALSE;
}
bool CSelection::ParseGizmos()
{
if( VertexCount < 8 ) { ResizeBuffer( 8 ); }
ActiveVertices = 8;
// System.View[System.ViewActive].PrepareSelection();
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
glLoadIdentity();
UINT n;
GizmoHighlighted = FALSE;
//Scale Objects ( Increase Accuracy )
if( System.View[System.ViewActive].ID == VIEW_TOP ) { glScalef( 1.0f, 0.0001f, 1.0f ); }
if( System.View[System.ViewActive].ID == VIEW_LEFT ) { glScalef( 0.0001f, 1.0f, 1.0f ); }
if( System.View[System.ViewActive].ID == VIEW_FRONT ) { glScalef( 1.0f, 1.0f, 0.0001f ); }
//Gizmo Transformations
glTranslated( GizmoPosition[0], GizmoPosition[1], GizmoPosition[2] );
glGetDoublev( GL_MODELVIEW_MATRIX, ModelMatrix );
State.TempVector3a[0] = System.View[System.ViewActive].GizmoSize;
State.TempVector3a[1] = System.View[System.ViewActive].GizmoSize;
State.TempVector3a[2] = System.View[System.ViewActive].GizmoSize;
//Test For Gizmo Extents
if( BoxInRegion( &State.TempVector3a, TRUE ) )
{
if( State.Tool.ID == TOOL_EDIT_MOVE )
{
for( n = 0; n < ViewUI.MoveGizmo.SelectMesh.ObjectCount; n++ )
{
if( ObjectInRegion( &ViewUI.MoveGizmo.SelectMesh.pObject[n], TRUE ) )
{
glMatrixMode( GL_MODELVIEW );
glPopMatrix();
GizmoHighlighted = TRUE;
if( ViewUI.MoveGizmo.ActiveObject == (int)n ) { return FALSE; }
else
{
ViewUI.MoveGizmo.ActiveObject = n;
return TRUE;
}
}
}
}
if( ( State.Tool.ID == TOOL_EDIT_USCALE ) || ( State.Tool.ID == TOOL_EDIT_NSCALE ) )
{
for( n = 0; n < ViewUI.ScaleGizmo.SelectMesh.ObjectCount; n++ )
{
if( ObjectInRegion( &ViewUI.ScaleGizmo.SelectMesh.pObject[n], TRUE ) )
{
glMatrixMode( GL_MODELVIEW );
glPopMatrix();
GizmoHighlighted = TRUE;
if( ViewUI.ScaleGizmo.ActiveObject == (int)n ) { return FALSE; }
else
{
ViewUI.ScaleGizmo.ActiveObject = n;
return TRUE;
}
}
}
}
}
glMatrixMode( GL_MODELVIEW );
glPopMatrix();
if( ViewUI.MoveGizmo.ActiveObject != -1 ) { ViewUI.MoveGizmo.ActiveObject = -1; return TRUE; }
if( ViewUI.ScaleGizmo.ActiveObject != -1 ) { ViewUI.ScaleGizmo.ActiveObject = -1; return TRUE; }
else { return FALSE; }
}
void CSelection::UpdateUI()
{
if( !pScene ) { return; }
ParseGizmos();
}
void CSelection::Update( UINT mode )
{
if( ( mode == SM_CURSOR_TEST_ALL ) || ( mode == SM_CURSOR_TEST_SELECTED ) )
{
if( !pScene ) { return; }
if( ParseModels( mode ) )
return;
}
if( !Options.LockSelection )
{
State.hTempCursor = SetCursor( LoadCursor( NULL, IDC_WAIT ) );
if( !pScene ) { return; }
if( ParseModels( mode ) )
{
GizmoVisible = TRUE;
BoxesVisible = TRUE;
UpdateCenter();
}
else{ GizmoVisible = FALSE; BoxesVisible = FALSE; }
UpdateInfoDialog();
UpdateTypeInDialog( FALSE );
SetCursor( State.hTempCursor );
}
}
bool CSelection::PointInRegion( Float3 *point )
{
//PointCount Refers to Region Points
for( UINT n = 0; n < ActivePoints - 1; n++ )
{
if( ( pPlane[n][0] * point[0][0] + pPlane[n][1] * point[0][1] + pPlane[n][2] * point[0][2] + pPlane[n][3] ) < 0 ) { return FALSE; }
}
return TRUE;
}
bool CSelection::BoxAtCursor( Float3 *size )
{
TempBoxMesh.pObject[0].pVertex[0] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[1] = size[0][1];
TempBoxMesh.pObject[0].pVertex[2] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[3] = size[0][0];
TempBoxMesh.pObject[0].pVertex[4] = size[0][1];
TempBoxMesh.pObject[0].pVertex[5] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[6] = size[0][0];
TempBoxMesh.pObject[0].pVertex[7] = size[0][1];
TempBoxMesh.pObject[0].pVertex[8] = size[0][2];
TempBoxMesh.pObject[0].pVertex[9] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[10] = size[0][1];
TempBoxMesh.pObject[0].pVertex[11] = size[0][2];
TempBoxMesh.pObject[0].pVertex[12] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[13] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[14] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[15] = size[0][0];
TempBoxMesh.pObject[0].pVertex[16] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[17] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[18] = size[0][0];
TempBoxMesh.pObject[0].pVertex[19] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[20] = size[0][2];
TempBoxMesh.pObject[0].pVertex[21] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[22] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[23] = size[0][2];
//Initialize Vertex Buffer
if( VertexCount < 8 ) { ResizeBuffer( 8 ); }
ActiveVertices = 8;
if( ObjectAtCursor( &TempBoxMesh.pObject[0] ) ) { return TRUE; }
return FALSE;
}
bool CSelection::BoxInRegion( Float3 *size, bool selectIntersecting )
{
TempBoxMesh.pObject[0].pVertex[0] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[1] = size[0][1];
TempBoxMesh.pObject[0].pVertex[2] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[3] = size[0][0];
TempBoxMesh.pObject[0].pVertex[4] = size[0][1];
TempBoxMesh.pObject[0].pVertex[5] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[6] = size[0][0];
TempBoxMesh.pObject[0].pVertex[7] = size[0][1];
TempBoxMesh.pObject[0].pVertex[8] = size[0][2];
TempBoxMesh.pObject[0].pVertex[9] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[10] = size[0][1];
TempBoxMesh.pObject[0].pVertex[11] = size[0][2];
TempBoxMesh.pObject[0].pVertex[12] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[13] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[14] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[15] = size[0][0];
TempBoxMesh.pObject[0].pVertex[16] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[17] = - size[0][2];
TempBoxMesh.pObject[0].pVertex[18] = size[0][0];
TempBoxMesh.pObject[0].pVertex[19] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[20] = size[0][2];
TempBoxMesh.pObject[0].pVertex[21] = - size[0][0];
TempBoxMesh.pObject[0].pVertex[22] = - size[0][1];
TempBoxMesh.pObject[0].pVertex[23] = size[0][2];
//Initialize Vertex Buffer
if( VertexCount < 8 ) { ResizeBuffer( 8 ); }
ActiveVertices = 8;
if( ObjectInRegion( &TempBoxMesh.pObject[0], selectIntersecting ) ) { return TRUE; }
return FALSE;
}
bool CSelection::ObjectAtCursor( tObject *pobject )
{
for( UINT n = 0; n < pobject->VertexCount; n++ )
{
Math.DataToVector3(&State.TempVector3e, &pobject->pVertex[n * 3]);
Math.MultiplyMatrix4Vector3((Matrix4*)&ModelMatrix[0], &State.TempVector3e, &pVertex[n]);
}
//Calculate Triangle x Cursor Vector
for( UINT p = 0; p < pobject->TriangleCount; p++ )
{
//if (CrossPointVectorTriangleExists(State.Mouse[1].StartPoint3D, State.Mouse[1].EndPoint3D, pVertex[pobject->pTriangleIndice[p * 3]], pVertex[pobject->pTriangleIndice[p * 3 + 1]], pVertex[pobject->pTriangleIndice[p * 3 + 2]])) { return TRUE; }
}
return FALSE;
}
bool CSelection::ObjectInRegion( tObject *pobject, bool selectIntersecting )
{
if( selectIntersecting )
{
//Select if Any Vertex In Region
for( UINT n = 0; n < pobject->VertexCount; n++ )
{
Math.DataToVector3( &State.TempVector3e, &pobject->pVertex[n * 3] );
Math.MultiplyMatrix4Vector3((Matrix4*)&ModelMatrix[0], &State.TempVector3e, &pVertex[n] );
if( PointInRegion( &pVertex[n] ) ) { return TRUE; }
}
//Calculate Triangle / Selection Volume Intersection
if( State.View.Type == VT_PERSPECTIVE )
{
for( UINT p = 0; p < pobject->TriangleCount; p++ )
{
for( UINT r = 0; r < ActivePoints - 1; r++ )
{
if (IntersectionTriangle(pVertex[pobject->pTriangleIndice[p * 3]], pVertex[pobject->pTriangleIndice[p * 3 + 1]], pVertex[pobject->pTriangleIndice[p * 3 + 2]], State.View.Position, pPoint[r], pPoint[r + 1])) { return TRUE; }
}
}
}
else
{
for( UINT p = 0; p < pobject->TriangleCount; p++ )
{
for( UINT r = 0; r < ActivePoints - 1; r++ )
{
if (IntersectionTriangle(pVertex[pobject->pTriangleIndice[p * 3]], pVertex[pobject->pTriangleIndice[p * 3 + 1]], pVertex[pobject->pTriangleIndice[p * 3 + 2]], pPointReflected[r], pPoint[r], pPoint[r + 1])) { return TRUE; }
if (IntersectionTriangle(pVertex[pobject->pTriangleIndice[p * 3]], pVertex[pobject->pTriangleIndice[p * 3 + 1]], pVertex[pobject->pTriangleIndice[p * 3 + 2]], pPointReflected[r + 1], pPoint[r], pPoint[r + 1])) { return TRUE; }
}
}
}
}
else