leocad/common/view.cpp
2019-12-12 14:04:51 -08:00

3278 lines
95 KiB
C++

#include "lc_global.h"
#include <stdlib.h>
#include "lc_mainwindow.h"
#include "camera.h"
#include "view.h"
#include "texfont.h"
#include "lc_texture.h"
#include "piece.h"
#include "pieceinf.h"
#include "lc_synth.h"
lcVertexBuffer View::mRotateMoveVertexBuffer;
lcIndexBuffer View::mRotateMoveIndexBuffer;
View::View(lcModel* Model)
: mViewSphere(this)
{
mModel = Model;
mActiveSubmodelInstance = nullptr;
mCamera = nullptr;
mHighlight = false;
memset(mGridSettings, 0, sizeof(mGridSettings));
mDragState = lcDragState::NONE;
mTrackButton = LC_TRACKBUTTON_NONE;
mTrackTool = LC_TRACKTOOL_NONE;
mTrackToolFromOverlay = false;
View* ActiveView = gMainWindow->GetActiveView();
if (ActiveView)
SetCamera(ActiveView->mCamera, false);
else
SetDefaultCamera();
}
View::~View()
{
mContext->DestroyVertexBuffer(mGridBuffer);
if (gMainWindow)
gMainWindow->RemoveView(this);
if (mCamera && mCamera->IsSimple())
delete mCamera;
}
lcModel* View::GetActiveModel() const
{
return !mActiveSubmodelInstance ? mModel : mActiveSubmodelInstance->mPieceInfo->GetModel();
}
void View::SetTopSubmodelActive()
{
lcModel* ActiveModel = GetActiveModel();
if (mActiveSubmodelInstance)
{
ActiveModel->SetActive(false);
mActiveSubmodelInstance = nullptr;
}
GetActiveModel()->UpdateInterface();
}
void View::SetSelectedSubmodelActive()
{
lcModel* ActiveModel = GetActiveModel();
lcObject* Object = ActiveModel->GetFocusObject();
if (mActiveSubmodelInstance)
{
ActiveModel->SetActive(false);
mActiveSubmodelInstance = nullptr;
}
if (Object && Object->IsPiece())
{
lcPiece* Piece = (lcPiece*)Object;
if (Piece->mPieceInfo->IsModel())
{
mActiveSubmodelTransform = lcMatrix44Identity();
mModel->GetPieceWorldMatrix(Piece, mActiveSubmodelTransform);
mActiveSubmodelInstance = Piece;
ActiveModel = mActiveSubmodelInstance->mPieceInfo->GetModel();
ActiveModel->SetActive(true);
RemoveCamera();
}
}
GetActiveModel()->UpdateInterface();
}
void View::CreateResources(lcContext* Context)
{
gGridTexture = new lcTexture;
gGridTexture->CreateGridTexture();
CreateSelectMoveOverlayMesh(Context);
}
void View::CreateSelectMoveOverlayMesh(lcContext* Context)
{
float Verts[(51 + 138 + 10) * 3];
float* CurVert = Verts;
const float OverlayMovePlaneSize = 0.5f;
const float OverlayMoveArrowSize = 1.5f;
const float OverlayMoveArrowCapSize = 0.9f;
const float OverlayMoveArrowCapRadius = 0.1f;
const float OverlayMoveArrowBodySize = 1.2f;
const float OverlayMoveArrowBodyRadius = 0.05f;
const float OverlayRotateArrowStart = 1.0f;
const float OverlayRotateArrowEnd = 1.5f;
const float OverlayRotateArrowCenter = 1.2f;
*CurVert++ = OverlayMoveArrowSize; *CurVert++ = 0.0f; *CurVert++ = 0.0f;
for (int EdgeIdx = 0; EdgeIdx < 8; EdgeIdx++)
{
*CurVert++ = OverlayMoveArrowCapSize;
*CurVert++ = cosf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius;
*CurVert++ = sinf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius;
}
*CurVert++ = 0.0f; *CurVert++ = -OverlayMoveArrowBodyRadius; *CurVert++ = 0.0f;
*CurVert++ = 0.0f; *CurVert++ = OverlayMoveArrowBodyRadius; *CurVert++ = 0.0f;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = -OverlayMoveArrowBodyRadius;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = OverlayMoveArrowBodyRadius;
*CurVert++ = OverlayMoveArrowBodySize; *CurVert++ = -OverlayMoveArrowBodyRadius; *CurVert++ = 0.0f;
*CurVert++ = OverlayMoveArrowBodySize; *CurVert++ = OverlayMoveArrowBodyRadius; *CurVert++ = 0.0f;
*CurVert++ = OverlayMoveArrowBodySize; *CurVert++ = 0.0f; *CurVert++ = -OverlayMoveArrowBodyRadius;
*CurVert++ = OverlayMoveArrowBodySize; *CurVert++ = 0.0f; *CurVert++ = OverlayMoveArrowBodyRadius;
for (int VertIdx = 0; VertIdx < 17; VertIdx++)
{
*CurVert = *(CurVert - 50); CurVert++;
*CurVert = *(CurVert - 52); CurVert++;
*CurVert = *(CurVert - 51); CurVert++;
}
for (int VertIdx = 0; VertIdx < 17; VertIdx++)
{
*CurVert = *(CurVert - 100); CurVert++;
*CurVert = *(CurVert - 102); CurVert++;
*CurVert = *(CurVert - 104); CurVert++;
}
*CurVert++ = 0.0f; *CurVert++ = OverlayRotateArrowEnd - OverlayMoveArrowCapRadius; *CurVert++ = OverlayRotateArrowStart;
for (int EdgeIdx = 0; EdgeIdx < 8; EdgeIdx++)
{
*CurVert++ = cosf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius;
*CurVert++ = sinf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius + OverlayRotateArrowEnd - OverlayMoveArrowCapRadius;
*CurVert++ = OverlayRotateArrowCenter;
}
*CurVert++ = 0.0f; *CurVert++ = OverlayRotateArrowStart; *CurVert++ = OverlayRotateArrowEnd - OverlayMoveArrowCapRadius;
for (int EdgeIdx = 0; EdgeIdx < 8; EdgeIdx++)
{
*CurVert++ = cosf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius;
*CurVert++ = OverlayRotateArrowCenter;
*CurVert++ = sinf(LC_2PI * EdgeIdx / 8) * OverlayMoveArrowCapRadius + OverlayRotateArrowEnd - OverlayMoveArrowCapRadius;
}
for (int EdgeIdx = 0; EdgeIdx < 7; EdgeIdx++)
{
const float Radius1 = OverlayRotateArrowEnd - OverlayMoveArrowCapRadius - OverlayRotateArrowCenter - OverlayMoveArrowBodyRadius;
const float Radius2 = OverlayRotateArrowEnd - OverlayMoveArrowCapRadius - OverlayRotateArrowCenter + OverlayMoveArrowBodyRadius;
float x = cosf(LC_2PI / 4 * EdgeIdx / 6);
float y = sinf(LC_2PI / 4 * EdgeIdx / 6);
*CurVert++ = 0.0f;
*CurVert++ = OverlayRotateArrowCenter + x * Radius1;
*CurVert++ = OverlayRotateArrowCenter + y * Radius1;
*CurVert++ = 0.0f;
*CurVert++ = OverlayRotateArrowCenter + x * Radius2;
*CurVert++ = OverlayRotateArrowCenter + y * Radius2;
}
for (int EdgeIdx = 0; EdgeIdx < 7; EdgeIdx++)
{
const float Radius = OverlayRotateArrowEnd - OverlayMoveArrowCapRadius - OverlayRotateArrowCenter;
float x = cosf(LC_2PI / 4 * EdgeIdx / 6);
float y = sinf(LC_2PI / 4 * EdgeIdx / 6);
*CurVert++ = -OverlayMoveArrowBodyRadius;
*CurVert++ = OverlayRotateArrowCenter + x * Radius;
*CurVert++ = OverlayRotateArrowCenter + y * Radius;
*CurVert++ = OverlayMoveArrowBodyRadius;
*CurVert++ = OverlayRotateArrowCenter + x * Radius;
*CurVert++ = OverlayRotateArrowCenter + y * Radius;
}
for (int VertIdx = 0; VertIdx < 46; VertIdx++)
{
*CurVert = *(CurVert - 137); CurVert++;
*CurVert = *(CurVert - 139); CurVert++;
*CurVert = *(CurVert - 138); CurVert++;
}
for (int VertIdx = 0; VertIdx < 46; VertIdx++)
{
*CurVert = *(CurVert - 274); CurVert++;
*CurVert = *(CurVert - 276); CurVert++;
*CurVert = *(CurVert - 278); CurVert++;
}
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = 0.0f;
*CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f;
*CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize; *CurVert++ = OverlayMovePlaneSize;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize;
*CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f; *CurVert++ = 0.0f;
*CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize;
*CurVert++ = 0.0f; *CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize;
*CurVert++ = 0.0f; *CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f;
*CurVert++ = OverlayMovePlaneSize; *CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f;
*CurVert++ = OverlayMovePlaneSize; *CurVert++ = 0.0f; *CurVert++ = 0.0f;
const GLushort Indices[108 + 360 + 12] =
{
0, 1, 2, 0, 2, 3, 0, 3, 4, 0, 4, 5, 0, 5, 6, 0, 6, 7, 0, 7, 8, 0, 8, 1,
9, 10, 14, 14, 13, 9, 11, 12, 15, 15, 16, 12,
17, 18, 19, 17, 19, 20, 17, 20, 21, 17, 21, 22, 17, 22, 23, 17, 23, 24, 17, 24, 25, 17, 25, 18,
26, 27, 31, 31, 30, 26, 28, 29, 32, 32, 33, 29,
34, 35, 36, 34, 36, 37, 34, 37, 38, 34, 38, 39, 34, 39, 40, 34, 40, 41, 34, 41, 42, 34, 42, 35,
43, 44, 48, 48, 47, 43, 45, 46, 49, 49, 50, 46,
51, 52, 53, 51, 53, 54, 51, 54, 55, 51, 55, 56, 51, 56, 57, 51, 57, 58, 51, 58, 59, 51, 59, 52,
60, 61, 62, 60, 62, 63, 60, 63, 64, 60, 64, 65, 60, 65, 66, 60, 66, 67, 60, 67, 68, 60, 68, 61,
69, 70, 71, 71, 72, 70, 71, 72, 73, 73, 74, 72, 73, 74, 75, 75, 76, 74, 75, 76, 77, 77, 78, 76, 77, 78, 79, 79, 80, 78, 79, 80, 81, 81, 82, 80,
83, 84, 85, 85, 86, 84, 85, 86, 87, 87, 88, 86, 87, 88, 89, 89, 90, 88, 89, 90, 91, 91, 92, 90, 91, 92, 93, 93, 94, 92, 93, 94, 95, 95, 96, 94,
97, 98, 99, 97, 99, 100, 97, 100, 101, 97, 101, 102, 97, 102, 103, 97, 103, 104, 97, 104, 105, 97, 105, 98,
106, 107, 108, 106, 108, 109, 106, 109, 110, 106, 110, 111, 106, 111, 112, 106, 112, 113, 106, 113, 114, 106, 114, 107,
115, 116, 117, 117, 118, 116, 117, 118, 119, 119, 120, 118, 119, 120, 121, 121, 122, 120, 121, 122, 123, 123, 124, 122, 123, 124, 125, 125, 126, 124, 125, 126, 127, 127, 128, 126,
129, 130, 131, 131, 132, 130, 131, 132, 133, 133, 134, 132, 133, 134, 135, 135, 136, 134, 135, 136, 137, 137, 138, 136, 137, 138, 139, 139, 140, 138, 139, 140, 141, 141, 142, 140,
143, 144, 145, 143, 145, 146, 143, 146, 147, 143, 147, 148, 143, 148, 149, 143, 149, 150, 143, 150, 151, 143, 151, 144,
152, 153, 154, 152, 154, 155, 152, 155, 156, 152, 156, 157, 152, 157, 158, 152, 158, 159, 152, 159, 160, 152, 160, 153,
161, 162, 163, 163, 164, 162, 163, 164, 165, 165, 166, 164, 165, 166, 167, 167, 168, 166, 167, 168, 169, 169, 170, 168, 169, 170, 171, 171, 172, 170, 171, 172, 173, 173, 174, 172,
175, 176, 177, 177, 178, 176, 177, 178, 179, 179, 180, 178, 179, 180, 181, 181, 182, 180, 181, 182, 183, 183, 184, 182, 183, 184, 185, 185, 186, 184, 185, 186, 187, 187, 188, 186,
189, 190, 191, 192, 189, 193, 194, 195, 189, 196, 197, 198
};
mRotateMoveVertexBuffer = Context->CreateVertexBuffer(sizeof(Verts), Verts);
mRotateMoveIndexBuffer = Context->CreateIndexBuffer(sizeof(Indices), Indices);
}
void View::DestroyResources(lcContext* Context)
{
delete gGridTexture;
gGridTexture = nullptr;
Context->DestroyVertexBuffer(mRotateMoveVertexBuffer);
Context->DestroyIndexBuffer(mRotateMoveIndexBuffer);
}
void View::RemoveCamera()
{
if (mCamera && mCamera->IsSimple())
return;
lcCamera* Camera = mCamera;
mCamera = new lcCamera(true);
if (Camera)
mCamera->CopyPosition(Camera);
else
mCamera->SetViewpoint(LC_VIEWPOINT_HOME);
gMainWindow->UpdateCurrentCamera(-1);
Redraw();
}
void View::SetCamera(lcCamera* Camera, bool ForceCopy)
{
if (Camera->IsSimple() || ForceCopy)
{
if (!mCamera || !mCamera->IsSimple())
mCamera = new lcCamera(true);
mCamera->CopyPosition(Camera);
}
else
{
if (mCamera && mCamera->IsSimple())
delete mCamera;
mCamera = Camera;
}
}
void View::SetCamera(const char* CameraName)
{
const lcArray<lcCamera*>& Cameras = mModel->GetCameras();
for (int CameraIdx = 0; CameraIdx < Cameras.GetSize(); CameraIdx++)
{
if (qstricmp(CameraName, Cameras[CameraIdx]->m_strName) == 0)
{
SetCameraIndex(CameraIdx);
return;
}
}
}
void View::SetCameraIndex(int Index)
{
const lcArray<lcCamera*>& Cameras = mModel->GetCameras();
if (Index >= Cameras.GetSize())
return;
lcCamera* Camera = Cameras[Index];
SetCamera(Camera, false);
gMainWindow->UpdateCurrentCamera(Index);
Redraw();
}
void View::SetViewpoint(lcViewpoint Viewpoint)
{
if (!mCamera || !mCamera->IsSimple())
{
lcCamera* OldCamera = mCamera;
mCamera = new lcCamera(true);
if (OldCamera)
mCamera->CopySettings(OldCamera);
}
mCamera->SetViewpoint(Viewpoint);
ZoomExtents();
Redraw();
gMainWindow->UpdateCurrentCamera(-1);
}
void View::SetViewpoint(const lcVector3& Position)
{
if (!mCamera || !mCamera->IsSimple())
{
lcCamera* OldCamera = mCamera;
mCamera = new lcCamera(true);
if (OldCamera)
mCamera->CopySettings(OldCamera);
}
mCamera->SetViewpoint(Position);
ZoomExtents();
Redraw();
gMainWindow->UpdateCurrentCamera(-1);
}
void View::SetCameraAngles(float Latitude, float Longitude)
{
if (!mCamera || !mCamera->IsSimple())
{
lcCamera* OldCamera = mCamera;
mCamera = new lcCamera(true);
if (OldCamera)
mCamera->CopySettings(OldCamera);
}
mCamera->SetAngles(Latitude, Longitude, 1.0f);
ZoomExtents();
Redraw();
}
void View::SetDefaultCamera()
{
if (!mCamera || !mCamera->IsSimple())
mCamera = new lcCamera(true);
mCamera->SetViewpoint(LC_VIEWPOINT_HOME);
gMainWindow->UpdateCurrentCamera(-1);
}
lcMatrix44 View::GetProjectionMatrix() const
{
float AspectRatio = (float)mWidth / (float)mHeight;
if (mCamera->IsOrtho())
{
float OrthoHeight = mCamera->GetOrthoHeight() / 2.0f;
float OrthoWidth = OrthoHeight * AspectRatio;
return lcMatrix44Ortho(-OrthoWidth, OrthoWidth, -OrthoHeight, OrthoHeight, mCamera->m_zNear, mCamera->m_zFar * 4);
}
else
return lcMatrix44Perspective(mCamera->m_fovy, AspectRatio, mCamera->m_zNear, mCamera->m_zFar);
}
lcMatrix44 View::GetTileProjectionMatrix(int CurrentRow, int CurrentColumn, int CurrentTileWidth, int CurrentTileHeight) const
{
int ImageWidth = mRenderImage.width();
int ImageHeight = mRenderImage.height();
double ImageLeft, ImageRight, ImageBottom, ImageTop, Near, Far;
double AspectRatio = (double)ImageWidth / (double)ImageHeight;
if (mCamera->IsOrtho())
{
float OrthoHeight = mCamera->GetOrthoHeight() / 2.0f;
float OrthoWidth = OrthoHeight * AspectRatio;
ImageLeft = -OrthoWidth;
ImageRight = OrthoWidth;
ImageBottom = -OrthoHeight;
ImageTop = OrthoHeight;
Near = mCamera->m_zNear;
Far = mCamera->m_zFar * 4;
}
else
{
double xmin, xmax, ymin, ymax;
ymax = mCamera->m_zNear * tan(mCamera->m_fovy * 3.14159265 / 360.0);
ymin = -ymax;
xmin = ymin * AspectRatio;
xmax = ymax * AspectRatio;
ImageLeft = xmin;
ImageRight = xmax;
ImageBottom = ymin;
ImageTop = ymax;
Near = mCamera->m_zNear;
Far = mCamera->m_zFar;
}
double Left = ImageLeft + (ImageRight - ImageLeft) * (CurrentColumn * mWidth) / ImageWidth;
double Right = Left + (ImageRight - ImageLeft) * CurrentTileWidth / ImageWidth;
double Bottom = ImageBottom + (ImageTop - ImageBottom) * (CurrentRow * mHeight) / ImageHeight;
double Top = Bottom + (ImageTop - ImageBottom) * CurrentTileHeight / ImageHeight;
if (mCamera->IsOrtho())
return lcMatrix44Ortho(Left, Right, Bottom, Top, Near, Far);
else
return lcMatrix44Frustum(Left, Right, Bottom, Top, Near, Far);
}
LC_CURSOR_TYPE View::GetCursor() const
{
if (mTrackTool == LC_TRACKTOOL_SELECT)
{
if (mInputState.Modifiers & Qt::ControlModifier)
return LC_CURSOR_SELECT_ADD;
if (mInputState.Modifiers & Qt::ShiftModifier)
return LC_CURSOR_SELECT_REMOVE;
}
const LC_CURSOR_TYPE CursorFromTrackTool[] =
{
LC_CURSOR_SELECT, // LC_TRACKTOOL_NONE
LC_CURSOR_BRICK, // LC_TRACKTOOL_INSERT
LC_CURSOR_LIGHT, // LC_TRACKTOOL_POINTLIGHT
LC_CURSOR_SPOTLIGHT, // LC_TRACKTOOL_SPOTLIGHT
LC_CURSOR_CAMERA, // LC_TRACKTOOL_CAMERA
LC_CURSOR_SELECT, // LC_TRACKTOOL_SELECT
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_X
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_Y
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_Z
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_XY
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_XZ
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_YZ
LC_CURSOR_MOVE, // LC_TRACKTOOL_MOVE_XYZ
LC_CURSOR_ROTATE, // LC_TRACKTOOL_ROTATE_X
LC_CURSOR_ROTATE, // LC_TRACKTOOL_ROTATE_Y
LC_CURSOR_ROTATE, // LC_TRACKTOOL_ROTATE_Z
LC_CURSOR_ROTATE, // LC_TRACKTOOL_ROTATE_XY
LC_CURSOR_ROTATE, // LC_TRACKTOOL_ROTATE_XYZ
LC_CURSOR_MOVE, // LC_TRACKTOOL_SCALE_PLUS
LC_CURSOR_MOVE, // LC_TRACKTOOL_SCALE_MINUS
LC_CURSOR_DELETE, // LC_TRACKTOOL_ERASER
LC_CURSOR_PAINT, // LC_TRACKTOOL_PAINT
LC_CURSOR_ZOOM, // LC_TRACKTOOL_ZOOM
LC_CURSOR_PAN, // LC_TRACKTOOL_PAN
LC_CURSOR_ROTATEX, // LC_TRACKTOOL_ORBIT_X
LC_CURSOR_ROTATEY, // LC_TRACKTOOL_ORBIT_Y
LC_CURSOR_ROTATE_VIEW, // LC_TRACKTOOL_ORBIT_XY
LC_CURSOR_ROLL, // LC_TRACKTOOL_ROLL
LC_CURSOR_ZOOM_REGION // LC_TRACKTOOL_ZOOM_REGION
};
return CursorFromTrackTool[mTrackTool];
}
void View::ShowContextMenu() const
{
QGLWidget* Widget = (QGLWidget*)mWidget;
QAction** Actions = gMainWindow->mActions;
QMenu* Popup = new QMenu(Widget);
Popup->addAction(Actions[LC_EDIT_CUT]);
Popup->addAction(Actions[LC_EDIT_COPY]);
Popup->addAction(Actions[LC_EDIT_PASTE]);
Popup->addAction(Actions[LC_PIECE_DUPLICATE]);
Popup->addSeparator();
Popup->addAction(Actions[LC_PIECE_CONTROL_POINT_INSERT]);
Popup->addAction(Actions[LC_PIECE_CONTROL_POINT_REMOVE]);
Popup->addSeparator();
Popup->addAction(Actions[LC_PIECE_EDIT_SELECTED_SUBMODEL]);
Popup->addAction(Actions[LC_PIECE_EDIT_END_SUBMODEL]);
Popup->addAction(Actions[LC_PIECE_VIEW_SELECTED_MODEL]);
Popup->addAction(Actions[LC_PIECE_INLINE_SELECTED_MODELS]);
Popup->addAction(Actions[LC_PIECE_MOVE_SELECTION_TO_MODEL]);
Popup->addSeparator();
Popup->addMenu(gMainWindow->GetToolsMenu());
Popup->addMenu(gMainWindow->GetViewpointMenu());
Popup->addMenu(gMainWindow->GetCameraMenu());
Popup->addMenu(gMainWindow->GetProjectionMenu());
Popup->addMenu(gMainWindow->GetShadingMenu());
Popup->addSeparator();
Popup->addAction(Actions[LC_VIEW_SPLIT_HORIZONTAL]);
Popup->addAction(Actions[LC_VIEW_SPLIT_VERTICAL]);
Popup->addAction(Actions[LC_VIEW_REMOVE_VIEW]);
Popup->addAction(Actions[LC_VIEW_RESET_VIEWS]);
Popup->exec(QCursor::pos());
delete Popup;
}
lcVector3 View::GetMoveDirection(const lcVector3& Direction) const
{
if (lcGetPreferences().mFixedAxes)
return Direction;
// TODO: rewrite this
lcVector3 axis = Direction;
lcVector3 Pts[3] = { lcVector3(5.0f, 5.0f, 0.1f), lcVector3(10.0f, 5.0f, 0.1f), lcVector3(5.0f, 10.0f, 0.1f) };
UnprojectPoints(Pts, 3);
float ax, ay;
lcVector3 vx((Pts[1][0] - Pts[0][0]), (Pts[1][1] - Pts[0][1]), 0);//Pts[1][2] - Pts[0][2] };
vx.Normalize();
lcVector3 x(1, 0, 0);
ax = acosf(lcDot(vx, x));
lcVector3 vy((Pts[2][0] - Pts[0][0]), (Pts[2][1] - Pts[0][1]), 0);//Pts[2][2] - Pts[0][2] };
vy.Normalize();
lcVector3 y(0, -1, 0);
ay = acosf(lcDot(vy, y));
if (ax > 135)
axis[0] = -axis[0];
if (ay < 45)
axis[1] = -axis[1];
if (ax >= 45 && ax <= 135)
{
float tmp = axis[0];
ax = acosf(lcDot(vx, y));
if (ax > 90)
{
axis[0] = -axis[1];
axis[1] = tmp;
}
else
{
axis[0] = axis[1];
axis[1] = -tmp;
}
}
return axis;
}
lcMatrix44 View::GetPieceInsertPosition(bool IgnoreSelected, PieceInfo* Info) const
{
lcPiece* HitPiece = (lcPiece*)FindObjectUnderPointer(true, IgnoreSelected).Object;
lcModel* ActiveModel = GetActiveModel();
if (HitPiece)
{
lcVector3 Position(0, 0, HitPiece->GetBoundingBox().Max.z - Info->GetBoundingBox().Min.z);
if (gMainWindow->GetRelativeTransform())
Position = lcMul31(ActiveModel->SnapPosition(Position), HitPiece->mModelWorld);
else
Position = ActiveModel->SnapPosition(lcMul31(Position, HitPiece->mModelWorld));
lcMatrix44 WorldMatrix = HitPiece->mModelWorld;
WorldMatrix.SetTranslation(Position);
return WorldMatrix;
}
std::array<lcVector3, 2> ClickPoints = {{ lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f), lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f) }};
UnprojectPoints(ClickPoints.data(), 2);
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : ClickPoints)
Point = lcMul31(Point, InverseMatrix);
}
lcVector3 Intersection;
const lcBoundingBox& BoundingBox = Info->GetBoundingBox();
if (lcLineSegmentPlaneIntersection(&Intersection, ClickPoints[0], ClickPoints[1], lcVector4(0, 0, 1, BoundingBox.Min.z)))
{
Intersection = ActiveModel->SnapPosition(Intersection);
return lcMatrix44Translation(Intersection);
}
return lcMatrix44Translation(UnprojectPoint(lcVector3((float)mInputState.x, (float)mInputState.y, 0.9f)));
}
lcVector3 View::GetCameraLightInsertPosition() const
{
lcModel* ActiveModel = GetActiveModel();
std::array<lcVector3, 2> ClickPoints = { { lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f), lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f) } };
UnprojectPoints(ClickPoints.data(), 2);
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : ClickPoints)
Point = lcMul31(Point, InverseMatrix);
}
lcVector3 Min, Max;
lcVector3 Center;
if (ActiveModel->GetPiecesBoundingBox(Min, Max))
Center = (Min + Max) / 2.0f;
else
Center = lcVector3(0.0f, 0.0f, 0.0f);
return lcRayPointClosestPoint(Center, ClickPoints[0], ClickPoints[1]);
}
void View::GetRayUnderPointer(lcVector3& Start, lcVector3& End) const
{
lcVector3 StartEnd[2] =
{
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f)
};
UnprojectPoints(StartEnd, 2);
Start = StartEnd[0];
End = StartEnd[1];
}
lcObjectSection View::FindObjectUnderPointer(bool PiecesOnly, bool IgnoreSelected) const
{
lcVector3 StartEnd[2] =
{
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f)
};
UnprojectPoints(StartEnd, 2);
lcObjectRayTest ObjectRayTest;
ObjectRayTest.PiecesOnly = PiecesOnly;
ObjectRayTest.IgnoreSelected = IgnoreSelected;
ObjectRayTest.ViewCamera = mCamera;
ObjectRayTest.Start = StartEnd[0];
ObjectRayTest.End = StartEnd[1];
ObjectRayTest.Distance = FLT_MAX;
ObjectRayTest.ObjectSection.Object = nullptr;
ObjectRayTest.ObjectSection.Section = 0;;
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
ObjectRayTest.Start = lcMul31(ObjectRayTest.Start, InverseMatrix);
ObjectRayTest.End = lcMul31(ObjectRayTest.End, InverseMatrix);
}
ActiveModel->RayTest(ObjectRayTest);
return ObjectRayTest.ObjectSection;
}
lcArray<lcObject*> View::FindObjectsInBox(float x1, float y1, float x2, float y2) const
{
float Left, Top, Bottom, Right;
if (x1 < x2)
{
Left = x1;
Right = x2;
}
else
{
Left = x2;
Right = x1;
}
if (y1 > y2)
{
Top = y1;
Bottom = y2;
}
else
{
Top = y2;
Bottom = y1;
}
std::array<lcVector3, 6> Corners =
{{
lcVector3(Left, Top, 0),
lcVector3(Left, Bottom, 0),
lcVector3(Right, Bottom, 0),
lcVector3(Right, Top, 0),
lcVector3(Left, Top, 1),
lcVector3(Right, Bottom, 1)
}};
UnprojectPoints(Corners.data(), (int)Corners.size());
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel != mModel)
{
lcMatrix44 InverseMatrix = lcMatrix44AffineInverse(mActiveSubmodelTransform);
for (lcVector3& Point : Corners)
Point = lcMul31(Point, InverseMatrix);
}
lcVector3 PlaneNormals[6];
PlaneNormals[0] = lcNormalize(lcCross(Corners[4] - Corners[0], Corners[1] - Corners[0])); // Left
PlaneNormals[1] = lcNormalize(lcCross(Corners[5] - Corners[2], Corners[3] - Corners[2])); // Right
PlaneNormals[2] = lcNormalize(lcCross(Corners[3] - Corners[0], Corners[4] - Corners[0])); // Top
PlaneNormals[3] = lcNormalize(lcCross(Corners[1] - Corners[2], Corners[5] - Corners[2])); // Bottom
PlaneNormals[4] = lcNormalize(lcCross(Corners[1] - Corners[0], Corners[3] - Corners[0])); // Front
PlaneNormals[5] = lcNormalize(lcCross(Corners[1] - Corners[2], Corners[3] - Corners[2])); // Back
lcObjectBoxTest ObjectBoxTest;
ObjectBoxTest.ViewCamera = mCamera;
ObjectBoxTest.Planes[0] = lcVector4(PlaneNormals[0], -lcDot(PlaneNormals[0], Corners[0]));
ObjectBoxTest.Planes[1] = lcVector4(PlaneNormals[1], -lcDot(PlaneNormals[1], Corners[5]));
ObjectBoxTest.Planes[2] = lcVector4(PlaneNormals[2], -lcDot(PlaneNormals[2], Corners[0]));
ObjectBoxTest.Planes[3] = lcVector4(PlaneNormals[3], -lcDot(PlaneNormals[3], Corners[5]));
ObjectBoxTest.Planes[4] = lcVector4(PlaneNormals[4], -lcDot(PlaneNormals[4], Corners[0]));
ObjectBoxTest.Planes[5] = lcVector4(PlaneNormals[5], -lcDot(PlaneNormals[5], Corners[5]));
ActiveModel->BoxTest(ObjectBoxTest);
return ObjectBoxTest.Objects;
}
bool View::BeginRenderToImage(int Width, int Height)
{
GLint MaxTexture;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &MaxTexture);
MaxTexture = qMin(MaxTexture, 2048);
MaxTexture /= QGLFormat::defaultFormat().sampleBuffers() ? QGLFormat::defaultFormat().samples() : 1;
int TileWidth = qMin(Width, MaxTexture);
int TileHeight = qMin(Height, MaxTexture);
mWidth = TileWidth;
mHeight = TileHeight;
mRenderImage = QImage(Width, Height, QImage::Format_ARGB32);
mRenderFramebuffer = mContext->CreateRenderFramebuffer(TileWidth, TileHeight);
mContext->BindFramebuffer(mRenderFramebuffer.first);
return mRenderFramebuffer.first.IsValid();
}
void View::EndRenderToImage()
{
mRenderImage = QImage();
mContext->DestroyRenderFramebuffer(mRenderFramebuffer);
mContext->ClearFramebuffer();
}
void View::OnDraw()
{
if (!mModel)
return;
const lcPreferences& Preferences = lcGetPreferences();
const bool DrawInterface = mWidget != nullptr;
mScene.SetAllowLOD(Preferences.mAllowLOD && mWidget != nullptr);
mScene.Begin(mCamera->mWorldView);
mScene.SetActiveSubmodelInstance(mActiveSubmodelInstance, mActiveSubmodelTransform);
mScene.SetDrawInterface(DrawInterface);
mModel->GetScene(mScene, mCamera, mHighlight);
if (DrawInterface && mTrackTool == LC_TRACKTOOL_INSERT)
{
PieceInfo* Info = gMainWindow->GetCurrentPieceInfo();
if (Info)
{
lcMatrix44 WorldMatrix = GetPieceInsertPosition(false, gMainWindow->GetCurrentPieceInfo());
if (GetActiveModel() != mModel)
WorldMatrix = lcMul(WorldMatrix, mActiveSubmodelTransform);
Info->AddRenderMeshes(mScene, WorldMatrix, gMainWindow->mColorIndex, lcRenderMeshState::FOCUSED, true);
}
}
if (DrawInterface)
mScene.SetPreTranslucentCallback([this]() { DrawGrid(); });
mScene.End();
int TotalTileRows = 1;
int TotalTileColumns = 1;
if (!mRenderImage.isNull())
{
int ImageWidth = mRenderImage.width();
int ImageHeight = mRenderImage.height();
if (ImageWidth > mWidth || ImageHeight > mHeight)
{
TotalTileColumns = (mWidth + ImageWidth - 1) / mWidth;
TotalTileRows = (mHeight + ImageHeight - 1) / mHeight;
}
}
for (int CurrentTileRow = 0; CurrentTileRow < TotalTileRows; CurrentTileRow++)
{
for (int CurrentTileColumn = 0; CurrentTileColumn < TotalTileColumns; CurrentTileColumn++)
{
mContext->SetDefaultState();
mContext->SetViewport(0, 0, mWidth, mHeight);
mModel->DrawBackground(this);
int CurrentTileWidth, CurrentTileHeight;
if (!mRenderImage.isNull() && (TotalTileRows > 1 || TotalTileColumns > 1))
{
if (CurrentTileRow < TotalTileRows - 1)
CurrentTileHeight = mHeight;
else
CurrentTileHeight = mRenderImage.height() - (TotalTileRows - 1) * (mHeight);
if (CurrentTileColumn < TotalTileColumns - 1)
CurrentTileWidth = mWidth;
else
CurrentTileWidth = mRenderImage.width() - (TotalTileColumns - 1) * (mWidth);
mContext->SetViewport(0, 0, CurrentTileWidth, CurrentTileHeight);
mContext->SetProjectionMatrix(GetTileProjectionMatrix(CurrentTileRow, CurrentTileColumn, CurrentTileWidth, CurrentTileHeight));
}
else
{
CurrentTileWidth = mWidth;
CurrentTileHeight = mHeight;
mContext->SetProjectionMatrix(GetProjectionMatrix());
}
mContext->SetLineWidth(Preferences.mLineWidth);
mScene.Draw(mContext);
if (!mRenderImage.isNull())
{
quint8* Buffer = (quint8*)malloc(mWidth * mHeight * 4);
uchar* ImageBuffer = mRenderImage.bits();
mContext->GetRenderFramebufferImage(mRenderFramebuffer, Buffer);
quint32 TileY = 0, SrcY = 0;
if (CurrentTileRow != TotalTileRows - 1)
TileY = (TotalTileRows - CurrentTileRow - 1) * mHeight - ((mHeight - mRenderImage.height() % mHeight) % mHeight);
else if (TotalTileRows > 1)
SrcY = (mHeight - mRenderImage.height() % mHeight) % mHeight;
quint32 TileStart = ((CurrentTileColumn * mWidth) + (TileY * mRenderImage.width())) * 4;
for (int y = 0; y < CurrentTileHeight; y++)
{
quint8* src = Buffer + (SrcY + y) * mWidth * 4;
quint8* dst = ImageBuffer + TileStart + y * mRenderImage.width() * 4;
memcpy(dst, src, CurrentTileWidth * 4);
}
free(Buffer);
}
}
}
if (DrawInterface)
{
mScene.DrawInterfaceObjects(mContext);
mContext->SetLineWidth(1.0f);
if (Preferences.mDrawAxes)
DrawAxes();
lcTool Tool = gMainWindow->GetTool();
lcModel* ActiveModel = GetActiveModel();
if ((Tool == LC_TOOL_SELECT || Tool == LC_TOOL_MOVE) && mTrackButton == LC_TRACKBUTTON_NONE && ActiveModel->AnyObjectsSelected())
DrawSelectMoveOverlay();
else if (GetCurrentTool() == LC_TOOL_MOVE && mTrackButton != LC_TRACKBUTTON_NONE)
DrawSelectMoveOverlay();
else if ((Tool == LC_TOOL_ROTATE || (Tool == LC_TOOL_SELECT && mTrackButton != LC_TRACKBUTTON_NONE && mTrackTool >= LC_TRACKTOOL_ROTATE_X && mTrackTool <= LC_TRACKTOOL_ROTATE_XYZ)) && ActiveModel->AnyPiecesSelected())
DrawRotateOverlay();
else if ((mTrackTool == LC_TRACKTOOL_SELECT || mTrackTool == LC_TRACKTOOL_ZOOM_REGION) && mTrackButton == LC_TRACKBUTTON_LEFT)
DrawSelectZoomRegionOverlay();
else if (Tool == LC_TOOL_ROTATE_VIEW && mTrackButton == LC_TRACKBUTTON_NONE)
DrawRotateViewOverlay();
mViewSphere.Draw();
DrawViewport();
}
mContext->ClearResources();
}
void View::DrawSelectMoveOverlay()
{
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetViewMatrix(mCamera->mWorldView);
mContext->SetProjectionMatrix(GetProjectionMatrix());
glDisable(GL_DEPTH_TEST);
lcVector3 OverlayCenter;
lcMatrix33 RelativeRotation;
lcModel* ActiveModel = GetActiveModel();
ActiveModel->GetMoveRotateTransform(OverlayCenter, RelativeRotation);
bool AnyPiecesSelected = ActiveModel->AnyPiecesSelected();
lcMatrix44 WorldMatrix = lcMatrix44(RelativeRotation, OverlayCenter);
if (ActiveModel != mModel)
WorldMatrix = lcMul(WorldMatrix, mActiveSubmodelTransform);
const float OverlayScale = GetOverlayScale();
WorldMatrix = lcMul(lcMatrix44Scale(lcVector3(OverlayScale, OverlayScale, OverlayScale)), WorldMatrix);
mContext->SetWorldMatrix(WorldMatrix);
mContext->SetIndexBuffer(mRotateMoveIndexBuffer);
mContext->SetVertexBuffer(mRotateMoveVertexBuffer);
mContext->SetVertexFormatPosition(3);
lcObject* Focus = ActiveModel->GetFocusObject();
quint32 AllowedTransforms = Focus ? Focus->GetAllowedTransforms() : LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z | LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y | LC_OBJECT_TRANSFORM_ROTATE_Z;
if (mTrackButton == LC_TRACKBUTTON_NONE || (mTrackTool >= LC_TRACKTOOL_MOVE_X && mTrackTool <= LC_TRACKTOOL_MOVE_XYZ))
{
if (AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_X)
{
if ((mTrackTool == LC_TRACKTOOL_MOVE_X) || (mTrackTool == LC_TRACKTOOL_MOVE_XY) || (mTrackTool == LC_TRACKTOOL_MOVE_XZ))
{
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 0);
}
else if (mTrackButton == LC_TRACKBUTTON_NONE)
{
mContext->SetColor(0.8f, 0.0f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 0);
}
}
if (AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Y)
{
if (((mTrackTool == LC_TRACKTOOL_MOVE_Y) || (mTrackTool == LC_TRACKTOOL_MOVE_XY) || (mTrackTool == LC_TRACKTOOL_MOVE_YZ)) && (AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Y))
{
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 36 * 2);
}
else if (mTrackButton == LC_TRACKBUTTON_NONE)
{
mContext->SetColor(0.0f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 36 * 2);
}
}
if (AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Z)
{
if (((mTrackTool == LC_TRACKTOOL_MOVE_Z) || (mTrackTool == LC_TRACKTOOL_MOVE_XZ) || (mTrackTool == LC_TRACKTOOL_MOVE_YZ)) && (AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Z))
{
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 72 * 2);
}
else if (mTrackButton == LC_TRACKBUTTON_NONE)
{
mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, 72 * 2);
}
}
}
if (gMainWindow->GetTool() == LC_TOOL_SELECT && mTrackButton == LC_TRACKBUTTON_NONE && AnyPiecesSelected)
{
if (AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_X)
{
if (mTrackTool == LC_TRACKTOOL_ROTATE_X)
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
else
mContext->SetColor(0.8f, 0.0f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 120, GL_UNSIGNED_SHORT, 108 * 2);
}
if (AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_Y)
{
if (mTrackTool == LC_TRACKTOOL_ROTATE_Y)
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
else
mContext->SetColor(0.0f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 120, GL_UNSIGNED_SHORT, (108 + 120) * 2);
}
if (AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_Z)
{
if (mTrackTool == LC_TRACKTOOL_ROTATE_Z)
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
else
mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 120, GL_UNSIGNED_SHORT, (108 + 240) * 2);
}
}
if ((mTrackTool == LC_TRACKTOOL_MOVE_XY) || (mTrackTool == LC_TRACKTOOL_MOVE_XZ) || (mTrackTool == LC_TRACKTOOL_MOVE_YZ))
{
glEnable(GL_BLEND);
mContext->SetColor(0.8f, 0.8f, 0.0f, 0.3f);
if (mTrackTool == LC_TRACKTOOL_MOVE_XY)
mContext->DrawIndexedPrimitives(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, (108 + 360 + 8) * 2);
else if (mTrackTool == LC_TRACKTOOL_MOVE_XZ)
mContext->DrawIndexedPrimitives(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, (108 + 360 + 4) * 2);
else if (mTrackTool == LC_TRACKTOOL_MOVE_YZ)
mContext->DrawIndexedPrimitives(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, (108 + 360) * 2);
glDisable(GL_BLEND);
}
if (Focus && Focus->IsPiece())
{
lcPiece* Piece = (lcPiece*)Focus;
quint32 Section = Piece->GetFocusSection();
if (Section >= LC_PIECE_SECTION_CONTROL_POINT_1 && Section <= LC_PIECE_SECTION_CONTROL_POINT_8 && Piece->mPieceInfo->GetSynthInfo() && Piece->mPieceInfo->GetSynthInfo()->IsCurve())
{
int ControlPointIndex = Section - LC_PIECE_SECTION_CONTROL_POINT_1;
float Strength = Piece->GetControlPoints()[ControlPointIndex].Scale;
const float ScaleStart = 2.0f;
float Length = ScaleStart + Strength / OverlayScale;
const float OverlayScaleInnerRadius = 0.075f;
const float OverlayScaleRadius = 0.125f;
lcVector3 Verts[38];
int NumVerts = 0;
Verts[NumVerts++] = lcVector3(Length - OverlayScaleRadius, 0.0f, 0.0f);
Verts[NumVerts++] = lcVector3(OverlayScaleRadius - Length, 0.0f, 0.0f);
float SinTable[9], CosTable[9];
for (int Step = 0; Step <= 8; Step++)
{
SinTable[Step] = sinf((float)Step / 8.0f * LC_2PI);
CosTable[Step] = cosf((float)Step / 8.0f * LC_2PI);
}
for (int Step = 0; Step <= 8; Step++)
{
float x = CosTable[Step];
float y = SinTable[Step];
Verts[NumVerts++] = lcVector3(Length + x * OverlayScaleInnerRadius, 0.0f, y * OverlayScaleInnerRadius);
Verts[NumVerts++] = lcVector3(Length + x * OverlayScaleRadius, 0.0f, y * OverlayScaleRadius);
}
for (int Step = 0; Step <= 8; Step++)
{
float x = CosTable[Step];
float y = SinTable[Step];
Verts[NumVerts++] = lcVector3(-Length + x * OverlayScaleInnerRadius, 0.0f, y * OverlayScaleInnerRadius);
Verts[NumVerts++] = lcVector3(-Length + x * OverlayScaleRadius, 0.0f, y * OverlayScaleRadius);
}
if (mTrackTool == LC_TRACKTOOL_SCALE_PLUS || mTrackTool == LC_TRACKTOOL_SCALE_MINUS)
mContext->SetColor(0.8f, 0.8f, 0.0f, 0.3f);
else
mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
mContext->SetVertexBufferPointer(Verts);
mContext->ClearIndexBuffer();
mContext->SetVertexFormatPosition(3);
mContext->DrawPrimitives(GL_LINES, 0, 2);
mContext->DrawPrimitives(GL_TRIANGLE_STRIP, 2, 18);
mContext->DrawPrimitives(GL_TRIANGLE_STRIP, 20, 18);
}
}
glEnable(GL_DEPTH_TEST);
}
void View::DrawRotateOverlay()
{
const float OverlayScale = GetOverlayScale();
const float OverlayRotateRadius = 2.0f;
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetViewMatrix(mCamera->mWorldView);
mContext->SetProjectionMatrix(GetProjectionMatrix());
glDisable(GL_DEPTH_TEST);
int j;
lcVector3 OverlayCenter;
lcMatrix33 RelativeRotation;
lcModel* ActiveModel = GetActiveModel();
ActiveModel->GetMoveRotateTransform(OverlayCenter, RelativeRotation);
lcVector3 MouseToolDistance = ActiveModel->SnapRotation(ActiveModel->GetMouseToolDistance());
bool HasAngle = false;
// Draw a disc showing the rotation amount.
if (MouseToolDistance.LengthSquared() != 0.0f && (mTrackButton != LC_TRACKBUTTON_NONE))
{
lcVector4 Rotation;
float Angle, Step;
HasAngle = true;
switch (mTrackTool)
{
case LC_TRACKTOOL_ROTATE_X:
mContext->SetColor(0.8f, 0.0f, 0.0f, 0.3f);
Angle = MouseToolDistance[0];
Rotation = lcVector4(0.0f, 0.0f, 0.0f, 1.0f);
break;
case LC_TRACKTOOL_ROTATE_Y:
mContext->SetColor(0.0f, 0.8f, 0.0f, 0.3f);
Angle = MouseToolDistance[1];
Rotation = lcVector4(90.0f, 0.0f, 0.0f, 1.0f);
break;
case LC_TRACKTOOL_ROTATE_Z:
mContext->SetColor(0.0f, 0.0f, 0.8f, 0.3f);
Angle = MouseToolDistance[2];
Rotation = lcVector4(90.0f, 0.0f, -1.0f, 0.0f);
break;
default:
Rotation = lcVector4(0.0f, 0.0f, 0.0f, 1.0f);
Angle = 0.0f;
break;
};
if (Angle > 0.0f)
{
Step = 360.0f / 32;
}
else
{
Angle = -Angle;
Step = -360.0f / 32;
}
if (fabsf(Angle) >= fabsf(Step))
{
lcMatrix44 WorldMatrix = lcMatrix44(RelativeRotation, OverlayCenter);
WorldMatrix = lcMul(lcMatrix44FromAxisAngle(lcVector3(Rotation[1], Rotation[2], Rotation[3]), Rotation[0] * LC_DTOR), WorldMatrix);
mContext->SetWorldMatrix(WorldMatrix);
glEnable(GL_BLEND);
lcVector3 Verts[33];
Verts[0] = lcVector3(0.0f, 0.0f, 0.0f);
int NumVerts = 1;
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(3);
float StartAngle;
int i = 0;
if (Step < 0)
StartAngle = -Angle;
else
StartAngle = Angle;
do
{
float x = cosf((Step * i - StartAngle) * LC_DTOR) * OverlayRotateRadius * OverlayScale;
float y = sinf((Step * i - StartAngle) * LC_DTOR) * OverlayRotateRadius * OverlayScale;
Verts[NumVerts++] = lcVector3(0.0f, x, y);
if (NumVerts == 33)
{
mContext->DrawPrimitives(GL_TRIANGLE_FAN, 0, NumVerts);
Verts[1] = Verts[32];
NumVerts = 2;
}
i++;
if (Step > 0)
Angle -= Step;
else
Angle += Step;
} while (Angle >= 0.0f);
if (NumVerts > 2)
mContext->DrawPrimitives(GL_TRIANGLE_FAN, 0, NumVerts);
glDisable(GL_BLEND);
}
}
// Draw the circles.
if (gMainWindow->GetTool() == LC_TOOL_ROTATE && !HasAngle && mTrackButton == LC_TRACKBUTTON_NONE)
{
lcMatrix44 Mat = lcMatrix44AffineInverse(mCamera->mWorldView);
Mat.SetTranslation(OverlayCenter);
lcVector3 Verts[32];
for (j = 0; j < 32; j++)
{
lcVector3 Pt;
Pt[0] = cosf(LC_2PI * j / 32) * OverlayRotateRadius * OverlayScale;
Pt[1] = sinf(LC_2PI * j / 32) * OverlayRotateRadius * OverlayScale;
Pt[2] = 0.0f;
Verts[j] = lcMul31(Pt, Mat);
}
mContext->SetColor(0.1f, 0.1f, 0.1f, 1.0f);
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(3);
mContext->DrawPrimitives(GL_LINE_LOOP, 0, 32);
}
lcVector3 ViewDir = mCamera->mTargetPosition - mCamera->mPosition;
ViewDir.Normalize();
// Transform ViewDir to local space.
ViewDir = lcMul(ViewDir, lcMatrix33AffineInverse(RelativeRotation));
mContext->SetWorldMatrix(lcMatrix44(RelativeRotation, OverlayCenter));
// Draw each axis circle.
for (int i = 0; i < 3; i++)
{
if (mTrackTool == LC_TRACKTOOL_ROTATE_X + i)
{
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
}
else
{
if (gMainWindow->GetTool() != LC_TOOL_ROTATE || HasAngle || mTrackButton != LC_TRACKBUTTON_NONE)
continue;
switch (i)
{
case 0:
mContext->SetColor(0.8f, 0.0f, 0.0f, 1.0f);
break;
case 1:
mContext->SetColor(0.0f, 0.8f, 0.0f, 1.0f);
break;
case 2:
mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
break;
}
}
lcVector3 Verts[64];
int NumVerts = 0;
for (j = 0; j < 32; j++)
{
lcVector3 v1, v2;
switch (i)
{
case 0:
v1 = lcVector3(0.0f, cosf(LC_2PI * j / 32), sinf(LC_2PI * j / 32));
v2 = lcVector3(0.0f, cosf(LC_2PI * (j + 1) / 32), sinf(LC_2PI * (j + 1) / 32));
break;
case 1:
v1 = lcVector3(cosf(LC_2PI * j / 32), 0.0f, sinf(LC_2PI * j / 32));
v2 = lcVector3(cosf(LC_2PI * (j + 1) / 32), 0.0f, sinf(LC_2PI * (j + 1) / 32));
break;
case 2:
v1 = lcVector3(cosf(LC_2PI * j / 32), sinf(LC_2PI * j / 32), 0.0f);
v2 = lcVector3(cosf(LC_2PI * (j + 1) / 32), sinf(LC_2PI * (j + 1) / 32), 0.0f);
break;
}
if (gMainWindow->GetTool() != LC_TOOL_ROTATE || HasAngle || mTrackButton != LC_TRACKBUTTON_NONE || lcDot(ViewDir, v1 + v2) <= 0.0f)
{
Verts[NumVerts++] = v1 * (OverlayRotateRadius * OverlayScale);
Verts[NumVerts++] = v2 * (OverlayRotateRadius * OverlayScale);
}
}
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(3);
mContext->DrawPrimitives(GL_LINES, 0, NumVerts);
}
// Draw tangent vector.
if (mTrackButton != LC_TRACKBUTTON_NONE && ((mTrackTool == LC_TRACKTOOL_ROTATE_X) || (mTrackTool == LC_TRACKTOOL_ROTATE_Y) || (mTrackTool == LC_TRACKTOOL_ROTATE_Z)))
{
const float OverlayRotateArrowSize = 1.5f;
const float OverlayRotateArrowCapSize = 0.25f;
lcVector4 Rotation;
float Angle;
switch (mTrackTool)
{
case LC_TRACKTOOL_ROTATE_X:
Angle = MouseToolDistance[0];
Rotation = lcVector4(0.0f, 0.0f, 0.0f, 1.0f);
break;
case LC_TRACKTOOL_ROTATE_Y:
Angle = MouseToolDistance[1];
Rotation = lcVector4(90.0f, 0.0f, 0.0f, 1.0f);
break;
case LC_TRACKTOOL_ROTATE_Z:
Angle = MouseToolDistance[2];
Rotation = lcVector4(90.0f, 0.0f, -1.0f, 0.0f);
break;
default:
Angle = 0.0f;
Rotation = lcVector4(0.0f, 0.0f, 1.0f, 0.0f);
break;
};
lcMatrix44 WorldMatrix = lcMatrix44(RelativeRotation, OverlayCenter);
WorldMatrix = lcMul(lcMatrix44FromAxisAngle(lcVector3(Rotation[1], Rotation[2], Rotation[3]), Rotation[0] * LC_DTOR), WorldMatrix);
mContext->SetWorldMatrix(WorldMatrix);
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
if (HasAngle)
{
float StartY = OverlayScale * OverlayRotateRadius;
float EndZ = (Angle > 0.0f) ? OverlayScale * OverlayRotateArrowSize : -OverlayScale * OverlayRotateArrowSize;
float TipZ = (Angle > 0.0f) ? -OverlayScale * OverlayRotateArrowCapSize : OverlayScale * OverlayRotateArrowCapSize;
lcVector3 Verts[6];
Verts[0] = lcVector3(0.0f, StartY, 0.0f);
Verts[1] = lcVector3(0.0f, StartY, EndZ);
Verts[2] = lcVector3(0.0f, StartY, EndZ);
Verts[3] = lcVector3(0.0f, StartY + OverlayScale * OverlayRotateArrowCapSize, EndZ + TipZ);
Verts[4] = lcVector3(0.0f, StartY, EndZ);
Verts[5] = lcVector3(0.0f, StartY - OverlayScale * OverlayRotateArrowCapSize, EndZ + TipZ);
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(3);
mContext->DrawPrimitives(GL_LINES, 0, 6);
}
// Draw text.
lcVector3 ScreenPos = ProjectPoint(OverlayCenter);
mContext->SetMaterial(LC_MATERIAL_UNLIT_TEXTURE_MODULATE);
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetViewMatrix(lcMatrix44Translation(lcVector3(0.375, 0.375, 0.0)));
mContext->SetProjectionMatrix(lcMatrix44Ortho(0.0f, mWidth, 0.0f, mHeight, -1.0f, 1.0f));
mContext->BindTexture2D(gTexFont.GetTexture());
glEnable(GL_BLEND);
char buf[32];
sprintf(buf, "[%.2f]", fabsf(Angle));
int cx, cy;
gTexFont.GetStringDimensions(&cx, &cy, buf);
mContext->SetColor(0.8f, 0.8f, 0.0f, 1.0f);
gTexFont.PrintText(mContext, ScreenPos[0] - (cx / 2), ScreenPos[1] + (cy / 2), 0.0f, buf);
glDisable(GL_BLEND);
}
glEnable(GL_DEPTH_TEST);
}
void View::DrawSelectZoomRegionOverlay()
{
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetViewMatrix(lcMatrix44Translation(lcVector3(0.375, 0.375, 0.0)));
mContext->SetProjectionMatrix(lcMatrix44Ortho(0.0f, mWidth, 0.0f, mHeight, -1.0f, 1.0f));
glDisable(GL_DEPTH_TEST);
float pt1x = (float)mMouseDownX;
float pt1y = (float)mMouseDownY;
float pt2x = (float)mInputState.x;
float pt2y = (float)mInputState.y;
float Left, Right, Bottom, Top;
if (pt1x < pt2x)
{
Left = pt1x;
Right = pt2x;
}
else
{
Left = pt2x;
Right = pt1x;
}
if (pt1y < pt2y)
{
Bottom = pt1y;
Top = pt2y;
}
else
{
Bottom = pt2y;
Top = pt1y;
}
Left = lcMax(Left, 0.0f);
Right = lcMin(Right, mWidth - 1.0f);
Bottom = lcMax(Bottom, 0.0f);
Top = lcMin(Top, mHeight - 1.0f);
float BorderX = lcMin(2.0f, Right - Left);
float BorderY = lcMin(2.0f, Top - Bottom);
float Verts[14][2] =
{
{ Left, Bottom },
{ Left + BorderX, Bottom + BorderY },
{ Right, Bottom },
{ Right - BorderX, Bottom + BorderY },
{ Right, Top },
{ Right - BorderX, Top - BorderY },
{ Left, Top },
{ Left + BorderX, Top - BorderY },
{ Left, Bottom },
{ Left + BorderX, Bottom + BorderY },
{ Left + BorderX, Bottom + BorderY },
{ Right - BorderX, Bottom + BorderY },
{ Left + BorderX, Top - BorderY },
{ Right - BorderX, Top - BorderY },
};
glEnable(GL_BLEND);
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(2);
mContext->SetColor(0.25f, 0.25f, 1.0f, 1.0f);
mContext->DrawPrimitives(GL_TRIANGLE_STRIP, 0, 10);
mContext->SetColor(0.25f, 0.25f, 1.0f, 0.25f);
mContext->DrawPrimitives(GL_TRIANGLE_STRIP, 10, 4);
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
}
void View::DrawRotateViewOverlay()
{
int x, y, w, h;
x = 0;
y = 0;
w = mWidth;
h = mHeight;
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetViewMatrix(lcMatrix44Translation(lcVector3(0.375, 0.375, 0.0)));
mContext->SetProjectionMatrix(lcMatrix44Ortho(0, w, 0, h, -1, 1));
glDisable(GL_DEPTH_TEST);
mContext->SetColor(0.0f, 0.0f, 0.0f, 1.0f);
float Verts[32 * 16 * 2];
float* CurVert = Verts;
float r = lcMin(w, h) * 0.35f;
float cx = x + w / 2.0f;
float cy = y + h / 2.0f;
for (int i = 0; i < 32; i++)
{
*CurVert++ = cosf((float)i / 32.0f * (2.0f * LC_PI)) * r + cx;
*CurVert++ = sinf((float)i / 32.0f * (2.0f * LC_PI)) * r + cy;
}
const float OverlayCameraSquareSize = lcMax(8.0f, (w + h) / 200.0f);
*CurVert++ = cx + OverlayCameraSquareSize; *CurVert++ = cy + r + OverlayCameraSquareSize;
*CurVert++ = cx - OverlayCameraSquareSize; *CurVert++ = cy + r + OverlayCameraSquareSize;
*CurVert++ = cx - OverlayCameraSquareSize; *CurVert++ = cy + r - OverlayCameraSquareSize;
*CurVert++ = cx + OverlayCameraSquareSize; *CurVert++ = cy + r - OverlayCameraSquareSize;
*CurVert++ = cx + OverlayCameraSquareSize; *CurVert++ = cy - r + OverlayCameraSquareSize;
*CurVert++ = cx - OverlayCameraSquareSize; *CurVert++ = cy - r + OverlayCameraSquareSize;
*CurVert++ = cx - OverlayCameraSquareSize; *CurVert++ = cy - r - OverlayCameraSquareSize;
*CurVert++ = cx + OverlayCameraSquareSize; *CurVert++ = cy - r - OverlayCameraSquareSize;
*CurVert++ = cx + r + OverlayCameraSquareSize; *CurVert++ = cy + OverlayCameraSquareSize;
*CurVert++ = cx + r - OverlayCameraSquareSize; *CurVert++ = cy + OverlayCameraSquareSize;
*CurVert++ = cx + r - OverlayCameraSquareSize; *CurVert++ = cy - OverlayCameraSquareSize;
*CurVert++ = cx + r + OverlayCameraSquareSize; *CurVert++ = cy - OverlayCameraSquareSize;
*CurVert++ = cx - r + OverlayCameraSquareSize; *CurVert++ = cy + OverlayCameraSquareSize;
*CurVert++ = cx - r - OverlayCameraSquareSize; *CurVert++ = cy + OverlayCameraSquareSize;
*CurVert++ = cx - r - OverlayCameraSquareSize; *CurVert++ = cy - OverlayCameraSquareSize;
*CurVert++ = cx - r + OverlayCameraSquareSize; *CurVert++ = cy - OverlayCameraSquareSize;
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(2);
GLushort Indices[64 + 32] =
{
0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16,
17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 0,
32, 33, 33, 34, 34, 35, 35, 32, 36, 37, 37, 38, 38, 39, 39, 36,
40, 41, 41, 42, 42, 43, 43, 40, 44, 45, 45, 46, 46, 47, 47, 44
};
mContext->SetIndexBufferPointer(Indices);
mContext->DrawIndexedPrimitives(GL_LINES, 96, GL_UNSIGNED_SHORT, 0);
glEnable(GL_DEPTH_TEST);
}
void View::DrawGrid()
{
const lcPreferences& Preferences = lcGetPreferences();
if (!Preferences.mDrawGridStuds && !Preferences.mDrawGridLines)
return;
const int Spacing = lcMax(Preferences.mGridLineSpacing, 1);
int MinX, MaxX, MinY, MaxY;
lcVector3 Min(FLT_MAX, FLT_MAX, FLT_MAX), Max(-FLT_MAX, -FLT_MAX, -FLT_MAX);
bool GridSizeValid = mModel->GetPiecesBoundingBox(Min, Max);
if (mTrackTool == LC_TRACKTOOL_INSERT)
{
PieceInfo* CurPiece = gMainWindow->GetCurrentPieceInfo();
if (CurPiece)
{
lcVector3 Points[8];
lcGetBoxCorners(CurPiece->GetBoundingBox(), Points);
lcMatrix44 WorldMatrix = GetPieceInsertPosition(false, CurPiece);
for (int i = 0; i < 8; i++)
{
lcVector3 Point = lcMul31(Points[i], WorldMatrix);
Min = lcMin(Point, Min);
Max = lcMax(Point, Max);
}
GridSizeValid = true;
}
}
if (GridSizeValid)
{
MinX = (int)(floorf(Min[0] / (20.0f * Spacing))) - 1;
MinY = (int)(floorf(Min[1] / (20.0f * Spacing))) - 1;
MaxX = (int)(ceilf(Max[0] / (20.0f * Spacing))) + 1;
MaxY = (int)(ceilf(Max[1] / (20.0f * Spacing))) + 1;
MinX = lcMin(MinX, -2);
MinY = lcMin(MinY, -2);
MaxX = lcMax(MaxX, 2);
MaxY = lcMax(MaxY, 2);
}
else
{
MinX = -2;
MinY = -2;
MaxX = 2;
MaxY = 2;
}
if (!mGridBuffer.IsValid() || MinX != mGridSettings[0] || MinY != mGridSettings[1] || MaxX != mGridSettings[2] || MaxY != mGridSettings[3] ||
Spacing != mGridSettings[4] || (Preferences.mDrawGridStuds ? 1 : 0) != mGridSettings[5] || (Preferences.mDrawGridLines ? 1 : 0) != mGridSettings[6])
{
int VertexBufferSize = 0;
if (Preferences.mDrawGridStuds)
VertexBufferSize += 4 * 5 * sizeof(float);
if (Preferences.mDrawGridLines)
VertexBufferSize += 2 * (MaxX - MinX + MaxY - MinY + 2) * 3 * sizeof(float);
float* Verts = (float*)malloc(VertexBufferSize);
if (!Verts)
return;
float* CurVert = Verts;
if (Preferences.mDrawGridStuds)
{
float Left = MinX * 20.0f * Spacing;
float Right = MaxX * 20.0f * Spacing;
float Top = MinY * 20.0f * Spacing;
float Bottom = MaxY * 20.0f * Spacing;
float Z = 0;
float U = (MaxX - MinX) * Spacing;
float V = (MaxY - MinY) * Spacing;
*CurVert++ = Left;
*CurVert++ = Top;
*CurVert++ = Z;
*CurVert++ = 0.0f;
*CurVert++ = V;
*CurVert++ = Left;
*CurVert++ = Bottom;
*CurVert++ = Z;
*CurVert++ = 0.0f;
*CurVert++ = 0.0f;
*CurVert++ = Right;
*CurVert++ = Top;
*CurVert++ = Z;
*CurVert++ = U;
*CurVert++ = V;
*CurVert++ = Right;
*CurVert++ = Bottom;
*CurVert++ = Z;
*CurVert++ = U;
*CurVert++ = 0.0f;
}
if (Preferences.mDrawGridLines)
{
float LineSpacing = Spacing * 20.0f;
for (int Step = MinX; Step < MaxX + 1; Step++)
{
*CurVert++ = Step * LineSpacing;
*CurVert++ = MinY * LineSpacing;
*CurVert++ = 0.0f;
*CurVert++ = Step * LineSpacing;
*CurVert++ = MaxY * LineSpacing;
*CurVert++ = 0.0f;
}
for (int Step = MinY; Step < MaxY + 1; Step++)
{
*CurVert++ = MinX * LineSpacing;
*CurVert++ = Step * LineSpacing;
*CurVert++ = 0.0f;
*CurVert++ = MaxX * LineSpacing;
*CurVert++ = Step * LineSpacing;
*CurVert++ = 0.0f;
}
}
mGridSettings[0] = MinX;
mGridSettings[1] = MinY;
mGridSettings[2] = MaxX;
mGridSettings[3] = MaxY;
mGridSettings[4] = Spacing;
mGridSettings[5] = (Preferences.mDrawGridStuds ? 1 : 0);
mGridSettings[6] = (Preferences.mDrawGridLines ? 1 : 0);
mContext->DestroyVertexBuffer(mGridBuffer);
mGridBuffer = mContext->CreateVertexBuffer(VertexBufferSize, Verts);
free(Verts);
}
int BufferOffset = 0;
mContext->SetVertexBuffer(mGridBuffer);
mContext->SetWorldMatrix(lcMatrix44Identity());
if (Preferences.mDrawGridStuds)
{
mContext->BindTexture2D(gGridTexture->mTexture);
mContext->SetDepthWrite(false);
glEnable(GL_BLEND);
mContext->SetMaterial(LC_MATERIAL_UNLIT_TEXTURE_MODULATE);
mContext->SetColor(lcVector4FromColor(Preferences.mGridStudColor));
mContext->SetVertexFormat(0, 3, 0, 2, 0, false);
mContext->DrawPrimitives(GL_TRIANGLE_STRIP, 0, 4);
glDisable(GL_BLEND);
mContext->SetDepthWrite(true);
BufferOffset = 4 * 5 * sizeof(float);
}
if (Preferences.mDrawGridLines)
{
mContext->SetLineWidth(1.0f);
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetColor(lcVector4FromColor(Preferences.mGridLineColor));
int NumVerts = 2 * (MaxX - MinX + MaxY - MinY + 2);
mContext->SetVertexFormat(BufferOffset, 3, 0, 0, 0, false);
mContext->DrawPrimitives(GL_LINES, 0, NumVerts);
}
}
void View::DrawAxes()
{
// glClear(GL_DEPTH_BUFFER_BIT);
const float Verts[28 * 3] =
{
0.00f, 0.00f, 0.00f, 20.00f, 0.00f, 0.00f, 12.00f, 3.00f, 0.00f, 12.00f, 2.12f, 2.12f,
12.00f, 0.00f, 3.00f, 12.00f, -2.12f, 2.12f, 12.00f, -3.00f, 0.00f, 12.00f, -2.12f, -2.12f,
12.00f, 0.00f, -3.00f, 12.00f, 2.12f, -2.12f, 0.00f, 20.00f, 0.00f, 3.00f, 12.00f, 0.00f,
2.12f, 12.00f, 2.12f, 0.00f, 12.00f, 3.00f, -2.12f, 12.00f, 2.12f, -3.00f, 12.00f, 0.00f,
-2.12f, 12.00f, -2.12f, 0.00f, 12.00f, -3.00f, 2.12f, 12.00f, -2.12f, 0.00f, 0.00f, 20.00f,
0.00f, 3.00f, 12.00f, 2.12f, 2.12f, 12.00f, 3.00f, 0.00f, 12.00f, 2.12f, -2.12f, 12.00f,
0.00f, -3.00f, 12.00f, -2.12f, -2.12f, 12.00f, -3.00f, 0.00f, 12.00f, -2.12f, 2.12f, 12.00f,
};
const GLushort Indices[78] =
{
0, 1, 0, 10, 0, 19,
1, 2, 3, 1, 3, 4, 1, 4, 5, 1, 5, 6, 1, 6, 7, 1, 7, 8, 1, 8, 9, 1, 9, 2,
10, 11, 12, 10, 12, 13, 10, 13, 14, 10, 14, 15, 10, 15, 16, 10, 16, 17, 10, 17, 18, 10, 18, 11,
19, 20, 21, 19, 21, 22, 19, 22, 23, 19, 23, 24, 19, 24, 25, 19, 25, 26, 19, 26, 27, 19, 27, 20
};
lcMatrix44 TranslationMatrix = lcMatrix44Translation(lcVector3(30.375f, 30.375f, 0.0f));
lcMatrix44 WorldViewMatrix = mCamera->mWorldView;
WorldViewMatrix.SetTranslation(lcVector3(0, 0, 0));
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetViewMatrix(lcMul(WorldViewMatrix, TranslationMatrix));
mContext->SetProjectionMatrix(lcMatrix44Ortho(0, mWidth, 0, mHeight, -50, 50));
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(3);
mContext->SetIndexBufferPointer(Indices);
mContext->SetColor(0.0f, 0.0f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_LINES, 6, GL_UNSIGNED_SHORT, 0);
mContext->SetColor(0.8f, 0.0f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, 6 * 2);
mContext->SetColor(0.0f, 0.8f, 0.0f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, (6 + 24) * 2);
mContext->SetColor(0.0f, 0.0f, 0.8f, 1.0f);
mContext->DrawIndexedPrimitives(GL_TRIANGLES, 24, GL_UNSIGNED_SHORT, (6 + 48) * 2);
mContext->SetMaterial(LC_MATERIAL_UNLIT_TEXTURE_MODULATE);
mContext->SetViewMatrix(TranslationMatrix);
mContext->BindTexture2D(gTexFont.GetTexture());
glEnable(GL_BLEND);
float TextBuffer[6 * 5 * 3];
lcVector3 PosX = lcMul30(lcVector3(25.0f, 0.0f, 0.0f), WorldViewMatrix);
gTexFont.GetGlyphTriangles(PosX.x, PosX.y, PosX.z, 'X', TextBuffer);
lcVector3 PosY = lcMul30(lcVector3(0.0f, 25.0f, 0.0f), WorldViewMatrix);
gTexFont.GetGlyphTriangles(PosY.x, PosY.y, PosY.z, 'Y', TextBuffer + 5 * 6);
lcVector3 PosZ = lcMul30(lcVector3(0.0f, 0.0f, 25.0f), WorldViewMatrix);
gTexFont.GetGlyphTriangles(PosZ.x, PosZ.y, PosZ.z, 'Z', TextBuffer + 5 * 6 * 2);
mContext->SetVertexBufferPointer(TextBuffer);
mContext->SetVertexFormat(0, 3, 0, 2, 0, false);
mContext->SetColor(0.0f, 0.0f, 0.0f, 1.0f);
mContext->DrawPrimitives(GL_TRIANGLES, 0, 6 * 3);
glDisable(GL_BLEND);
}
void View::DrawViewport()
{
mContext->SetWorldMatrix(lcMatrix44Identity());
mContext->SetViewMatrix(lcMatrix44Translation(lcVector3(0.375, 0.375, 0.0)));
mContext->SetProjectionMatrix(lcMatrix44Ortho(0.0f, mWidth, 0.0f, mHeight, -1.0f, 1.0f));
mContext->SetDepthWrite(false);
glDisable(GL_DEPTH_TEST);
if (gMainWindow->GetActiveView() == this)
{
mContext->SetMaterial(LC_MATERIAL_UNLIT_COLOR);
mContext->SetColor(1.0f, 0.0f, 0.0f, 1.0f);
float Verts[8] = { 0.0f, 0.0f, mWidth - 1.0f, 0.0f, mWidth - 1.0f, mHeight - 1.0f, 0.0f, mHeight - 1.0f };
mContext->SetVertexBufferPointer(Verts);
mContext->SetVertexFormatPosition(2);
mContext->DrawPrimitives(GL_LINE_LOOP, 0, 4);
}
const char* CameraName = mCamera->GetName();
if (CameraName[0])
{
mContext->SetMaterial(LC_MATERIAL_UNLIT_TEXTURE_MODULATE);
mContext->SetColor(0.0f, 0.0f, 0.0f, 1.0f);
mContext->BindTexture2D(gTexFont.GetTexture());
glEnable(GL_BLEND);
gTexFont.PrintText(mContext, 3.0f, (float)mHeight - 1.0f - 6.0f, 0.0f, CameraName);
glDisable(GL_BLEND);
}
mContext->SetDepthWrite(true);
glEnable(GL_DEPTH_TEST);
}
void View::OnInitialUpdate()
{
gMainWindow->AddView(this);
}
void View::OnUpdateCursor()
{
SetCursor(GetCursor());
}
lcTool View::GetCurrentTool() const
{
const lcTool ToolFromTrackTool[] =
{
LC_TOOL_SELECT, // LC_TRACKTOOL_NONE
LC_TOOL_INSERT, // LC_TRACKTOOL_INSERT
LC_TOOL_LIGHT, // LC_TRACKTOOL_POINTLIGHT
LC_TOOL_SPOTLIGHT, // LC_TRACKTOOL_SPOTLIGHT
LC_TOOL_CAMERA, // LC_TRACKTOOL_CAMERA
LC_TOOL_SELECT, // LC_TRACKTOOL_SELECT
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_X
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_Y
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_Z
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_XY
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_XZ
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_YZ
LC_TOOL_MOVE, // LC_TRACKTOOL_MOVE_XYZ
LC_TOOL_ROTATE, // LC_TRACKTOOL_ROTATE_X
LC_TOOL_ROTATE, // LC_TRACKTOOL_ROTATE_Y
LC_TOOL_ROTATE, // LC_TRACKTOOL_ROTATE_Z
LC_TOOL_ROTATE, // LC_TRACKTOOL_ROTATE_XY
LC_TOOL_ROTATE, // LC_TRACKTOOL_ROTATE_XYZ
LC_TOOL_MOVE, // LC_TRACKTOOL_SCALE_PLUS
LC_TOOL_MOVE, // LC_TRACKTOOL_SCALE_MINUS
LC_TOOL_ERASER, // LC_TRACKTOOL_ERASER
LC_TOOL_PAINT, // LC_TRACKTOOL_PAINT
LC_TOOL_ZOOM, // LC_TRACKTOOL_ZOOM
LC_TOOL_PAN, // LC_TRACKTOOL_PAN
LC_TOOL_ROTATE_VIEW, // LC_TRACKTOOL_ORBIT_X
LC_TOOL_ROTATE_VIEW, // LC_TRACKTOOL_ORBIT_Y
LC_TOOL_ROTATE_VIEW, // LC_TRACKTOOL_ORBIT_XY
LC_TOOL_ROLL, // LC_TRACKTOOL_ROLL
LC_TOOL_ZOOM_REGION // LC_TRACKTOOL_ZOOM_REGION
};
return ToolFromTrackTool[mTrackTool];
}
lcTrackTool View::GetOverrideTrackTool(Qt::MouseButton Button) const
{
if (mTrackToolFromOverlay)
return LC_TRACKTOOL_NONE;
lcTool OverrideTool = gMouseShortcuts.GetTool(Button, mInputState.Modifiers);
if (OverrideTool == LC_NUM_TOOLS)
return LC_TRACKTOOL_NONE;
lcTrackTool TrackToolFromTool[LC_NUM_TOOLS] =
{
LC_TRACKTOOL_INSERT, // LC_TOOL_INSERT
LC_TRACKTOOL_POINTLIGHT, // LC_TOOL_LIGHT
LC_TRACKTOOL_SPOTLIGHT, // LC_TOOL_SPOTLIGHT
LC_TRACKTOOL_CAMERA, // LC_TOOL_CAMERA
LC_TRACKTOOL_SELECT, // LC_TOOL_SELECT
LC_TRACKTOOL_MOVE_XYZ, // LC_TOOL_MOVE
LC_TRACKTOOL_ROTATE_XYZ, // LC_TOOL_ROTATE
LC_TRACKTOOL_ERASER, // LC_TOOL_ERASER
LC_TRACKTOOL_PAINT, // LC_TOOL_PAINT
LC_TRACKTOOL_ZOOM, // LC_TOOL_ZOOM
LC_TRACKTOOL_PAN, // LC_TOOL_PAN
LC_TRACKTOOL_ORBIT_XY, // LC_TOOL_ROTATE_VIEW
LC_TRACKTOOL_ROLL, // LC_TOOL_ROLL
LC_TRACKTOOL_ZOOM_REGION // LC_TOOL_ZOOM_REGION
};
return TrackToolFromTool[OverrideTool];
}
float View::GetOverlayScale() const
{
lcVector3 OverlayCenter;
lcMatrix33 RelativeRotation;
lcModel* ActiveModel = GetActiveModel();
ActiveModel->GetMoveRotateTransform(OverlayCenter, RelativeRotation);
lcVector3 ScreenPos = ProjectPoint(OverlayCenter);
ScreenPos[0] += 10.0f;
lcVector3 Point = UnprojectPoint(ScreenPos);
lcVector3 Dist(Point - OverlayCenter);
return Dist.Length() * 5.0f;
}
void View::BeginDrag(lcDragState DragState)
{
mDragState = DragState;
UpdateTrackTool();
}
void View::EndDrag(bool Accept)
{
if (Accept)
{
lcModel* ActiveModel = GetActiveModel();
switch (mDragState)
{
case lcDragState::NONE:
break;
case lcDragState::PIECE:
ActiveModel->InsertPieceToolClicked(GetPieceInsertPosition(false, gMainWindow->GetCurrentPieceInfo()));
break;
case lcDragState::COLOR:
ActiveModel->PaintToolClicked(FindObjectUnderPointer(true, false).Object);
break;
}
}
mDragState = lcDragState::NONE;
UpdateTrackTool();
}
void View::SetProjection(bool Ortho)
{
if (mCamera->IsSimple())
{
mCamera->SetOrtho(Ortho);
Redraw();
gMainWindow->UpdatePerspective();
}
else
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->SetCameraOrthographic(mCamera, Ortho);
}
}
void View::LookAt()
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->LookAt(mCamera);
}
void View::ZoomExtents()
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->ZoomExtents(mCamera, (float)mWidth / (float)mHeight);
}
void View::MoveCamera(const lcVector3& Direction)
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->MoveCamera(mCamera, Direction);
}
void View::Zoom(float Amount)
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->Zoom(mCamera, Amount);
}
void View::UpdateTrackTool()
{
lcTool CurrentTool = gMainWindow->GetTool();
lcTrackTool NewTrackTool = mTrackTool;
int x = mInputState.x;
int y = mInputState.y;
bool Redraw = false;
mTrackToolFromOverlay = false;
lcModel* ActiveModel = GetActiveModel();
switch (CurrentTool)
{
case LC_TOOL_INSERT:
NewTrackTool = LC_TRACKTOOL_INSERT;
break;
case LC_TOOL_LIGHT:
NewTrackTool = LC_TRACKTOOL_POINTLIGHT;
break;
case LC_TOOL_SPOTLIGHT:
NewTrackTool = LC_TRACKTOOL_SPOTLIGHT;
break;
case LC_TOOL_CAMERA:
NewTrackTool = LC_TRACKTOOL_CAMERA;
break;
case LC_TOOL_SELECT:
case LC_TOOL_MOVE:
{
const float OverlayScale = GetOverlayScale();
const float OverlayMovePlaneSize = 0.5f * OverlayScale;
const float OverlayMoveArrowSize = 1.5f * OverlayScale;
const float OverlayMoveArrowCapRadius = 0.1f * OverlayScale;
const float OverlayRotateArrowStart = 1.0f * OverlayScale;
const float OverlayRotateArrowEnd = 1.5f * OverlayScale;
const float OverlayScaleRadius = 0.125f;
NewTrackTool = (CurrentTool == LC_TOOL_MOVE) ? LC_TRACKTOOL_MOVE_XYZ : LC_TRACKTOOL_SELECT;
mMouseDownPiece = nullptr;
lcVector3 OverlayCenter;
lcMatrix33 RelativeRotation;
if (!ActiveModel->GetMoveRotateTransform(OverlayCenter, RelativeRotation))
break;
lcMatrix44 WorldMatrix = lcMatrix44(RelativeRotation, OverlayCenter);
if (ActiveModel != mModel)
WorldMatrix = lcMul(WorldMatrix, mActiveSubmodelTransform);
OverlayCenter = WorldMatrix.GetTranslation();
lcVector3 PlaneNormals[3] =
{
lcVector3(1.0f, 0.0f, 0.0f),
lcVector3(0.0f, 1.0f, 0.0f),
lcVector3(0.0f, 0.0f, 1.0f),
};
for (int i = 0; i < 3; i++)
PlaneNormals[i] = lcMul30(PlaneNormals[i], WorldMatrix);
lcVector3 StartEnd[2] = { lcVector3((float)x, (float)y, 0.0f), lcVector3((float)x, (float)y, 1.0f) };
UnprojectPoints(StartEnd, 2);
const lcVector3& Start = StartEnd[0];
const lcVector3& End = StartEnd[1];
float ClosestIntersectionDistance = FLT_MAX;
lcObject* Focus = ActiveModel->GetFocusObject();
int ControlPointIndex = -1;
if (Focus && Focus->IsPiece())
{
lcPiece* Piece = (lcPiece*)Focus;
quint32 Section = Piece->GetFocusSection();
if (Section >= LC_PIECE_SECTION_CONTROL_POINT_1 && Section <= LC_PIECE_SECTION_CONTROL_POINT_8)
ControlPointIndex = Section - LC_PIECE_SECTION_CONTROL_POINT_1;
}
quint32 AllowedTransforms = Focus ? Focus->GetAllowedTransforms() : LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z | LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y | LC_OBJECT_TRANSFORM_ROTATE_Z;
for (int AxisIndex = 0; AxisIndex < 3; AxisIndex++)
{
lcVector4 Plane(PlaneNormals[AxisIndex], -lcDot(PlaneNormals[AxisIndex], OverlayCenter));
lcVector3 Intersection;
if (!lcLineSegmentPlaneIntersection(&Intersection, Start, End, Plane))
continue;
float IntersectionDistance = lcLengthSquared(Intersection - Start);
if (IntersectionDistance > ClosestIntersectionDistance)
continue;
lcVector3 Dir(Intersection - OverlayCenter);
float Proj1 = lcDot(Dir, PlaneNormals[(AxisIndex + 1) % 3]);
float Proj2 = lcDot(Dir, PlaneNormals[(AxisIndex + 2) % 3]);
if (Proj1 > 0.0f && Proj1 < OverlayMovePlaneSize && Proj2 > 0.0f && Proj2 < OverlayMovePlaneSize)
{
lcTrackTool PlaneModes[] = { LC_TRACKTOOL_MOVE_YZ, LC_TRACKTOOL_MOVE_XZ, LC_TRACKTOOL_MOVE_XY };
if (IsTrackToolAllowed(PlaneModes[AxisIndex], AllowedTransforms))
{
NewTrackTool = PlaneModes[AxisIndex];
ClosestIntersectionDistance = IntersectionDistance;
}
}
if (CurrentTool == LC_TOOL_SELECT && Proj1 > OverlayRotateArrowStart && Proj1 < OverlayRotateArrowEnd && Proj2 > OverlayRotateArrowStart && Proj2 < OverlayRotateArrowEnd && ActiveModel->AnyPiecesSelected())
{
lcTrackTool PlaneModes[] = { LC_TRACKTOOL_ROTATE_X, LC_TRACKTOOL_ROTATE_Y, LC_TRACKTOOL_ROTATE_Z };
if (IsTrackToolAllowed(PlaneModes[AxisIndex], AllowedTransforms))
{
NewTrackTool = PlaneModes[AxisIndex];
ClosestIntersectionDistance = IntersectionDistance;
}
}
if (fabs(Proj1) < OverlayMoveArrowCapRadius && Proj2 > 0.0f && Proj2 < OverlayMoveArrowSize)
{
lcTrackTool DirModes[] = { LC_TRACKTOOL_MOVE_Z, LC_TRACKTOOL_MOVE_X, LC_TRACKTOOL_MOVE_Y };
if (IsTrackToolAllowed(DirModes[AxisIndex], AllowedTransforms))
{
NewTrackTool = DirModes[AxisIndex];
ClosestIntersectionDistance = IntersectionDistance;
}
}
if (fabs(Proj2) < OverlayMoveArrowCapRadius && Proj1 > 0.0f && Proj1 < OverlayMoveArrowSize)
{
lcTrackTool DirModes[] = { LC_TRACKTOOL_MOVE_Y, LC_TRACKTOOL_MOVE_Z, LC_TRACKTOOL_MOVE_X };
if (IsTrackToolAllowed(DirModes[AxisIndex], AllowedTransforms))
{
NewTrackTool = DirModes[AxisIndex];
ClosestIntersectionDistance = IntersectionDistance;
}
}
lcPiece* Piece = (lcPiece*)Focus;
if (ControlPointIndex != -1 && Piece->mPieceInfo->GetSynthInfo() && Piece->mPieceInfo->GetSynthInfo()->IsCurve())
{
float Strength = Piece->GetControlPoints()[ControlPointIndex].Scale;
const float ScaleStart = (2.0f - OverlayScaleRadius) * OverlayScale + Strength;
const float ScaleEnd = (2.0f + OverlayScaleRadius) * OverlayScale + Strength;
if (AxisIndex == 1 && fabs(Proj1) < OverlayScaleRadius * OverlayScale)
{
if (Proj2 > ScaleStart && Proj2 < ScaleEnd)
{
if (IsTrackToolAllowed(LC_TRACKTOOL_SCALE_PLUS, AllowedTransforms))
{
NewTrackTool = LC_TRACKTOOL_SCALE_PLUS;
ClosestIntersectionDistance = IntersectionDistance;
}
}
else if (Proj2 < -ScaleStart && Proj2 > -ScaleEnd)
{
if (IsTrackToolAllowed(LC_TRACKTOOL_SCALE_MINUS, AllowedTransforms))
{
NewTrackTool = LC_TRACKTOOL_SCALE_MINUS;
ClosestIntersectionDistance = IntersectionDistance;
}
}
}
else if (AxisIndex == 2 && fabs(Proj2) < OverlayScaleRadius * OverlayScale)
{
if (Proj1 > ScaleStart && Proj1 < ScaleEnd)
{
if (IsTrackToolAllowed(LC_TRACKTOOL_SCALE_PLUS, AllowedTransforms))
{
NewTrackTool = LC_TRACKTOOL_SCALE_PLUS;
ClosestIntersectionDistance = IntersectionDistance;
}
}
else if (Proj1 < -ScaleStart && Proj1 > -ScaleEnd)
{
if (IsTrackToolAllowed(LC_TRACKTOOL_SCALE_MINUS, AllowedTransforms))
{
NewTrackTool = LC_TRACKTOOL_SCALE_MINUS;
ClosestIntersectionDistance = IntersectionDistance;
}
}
}
}
}
if (CurrentTool == LC_TOOL_SELECT && NewTrackTool == LC_TRACKTOOL_SELECT && mInputState.Modifiers == Qt::NoModifier)
{
lcObjectSection ObjectSection = FindObjectUnderPointer(false, false);
lcObject* Object = ObjectSection.Object;
if (Object && Object->IsPiece() && ObjectSection.Section == LC_PIECE_SECTION_POSITION && Object->IsSelected())
{
lcPiece* Piece = (lcPiece*)Object;
mMouseDownPosition = Piece->mModelWorld.GetTranslation();
mMouseDownPiece = Piece->mPieceInfo;
NewTrackTool = LC_TRACKTOOL_MOVE_XYZ;
}
}
mTrackToolFromOverlay = NewTrackTool != LC_TRACKTOOL_MOVE_XYZ && NewTrackTool != LC_TRACKTOOL_SELECT;
Redraw = true;
}
break;
case LC_TOOL_ROTATE:
{
const float OverlayScale = GetOverlayScale();
const float OverlayRotateRadius = 2.0f;
NewTrackTool = LC_TRACKTOOL_ROTATE_XYZ;
lcVector3 OverlayCenter;
lcMatrix33 RelativeRotation;
if (!ActiveModel->GetMoveRotateTransform(OverlayCenter, RelativeRotation))
break;
// Calculate the distance from the mouse pointer to the center of the sphere.
lcVector3 StartEnd[2] = { lcVector3((float)x, (float)y, 0.0f), lcVector3((float)x, (float)y, 1.0f) };
UnprojectPoints(StartEnd, 2);
const lcVector3& SegStart = StartEnd[0];
const lcVector3& SegEnd = StartEnd[1];
lcVector3 Line = SegEnd - SegStart;
lcVector3 Vec = OverlayCenter - SegStart;
float u = lcDot(Vec, Line) / Line.LengthSquared();
// Closest point in the line to the mouse.
lcVector3 Closest = SegStart + Line * u;
float Distance = (Closest - OverlayCenter).Length();
const float Epsilon = 0.25f * OverlayScale;
if (Distance > (OverlayRotateRadius * OverlayScale + Epsilon))
{
NewTrackTool = LC_TRACKTOOL_ROTATE_XYZ;
}
else if (Distance < (OverlayRotateRadius * OverlayScale + Epsilon))
{
// 3D rotation unless we're over one of the axis circles.
NewTrackTool = LC_TRACKTOOL_ROTATE_XYZ;
// Point P on a line defined by two points P1 and P2 is described by P = P1 + u (P2 - P1)
// A sphere centered at P3 with radius r is described by (x - x3)^2 + (y - y3)^2 + (z - z3)^2 = r^2
// Substituting the equation of the line into the sphere gives a quadratic equation where:
// a = (x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2
// b = 2[ (x2 - x1) (x1 - x3) + (y2 - y1) (y1 - y3) + (z2 - z1) (z1 - z3) ]
// c = x32 + y32 + z32 + x12 + y12 + z12 - 2[x3 x1 + y3 y1 + z3 z1] - r2
// The solutions to this quadratic are described by: (-b +- sqrt(b^2 - 4 a c) / 2 a
// The exact behavior is determined by b^2 - 4 a c:
// If this is less than 0 then the line does not intersect the sphere.
// If it equals 0 then the line is a tangent to the sphere intersecting it at one point
// If it is greater then 0 the line intersects the sphere at two points.
float x1 = SegStart[0], y1 = SegStart[1], z1 = SegStart[2];
float x2 = SegEnd[0], y2 = SegEnd[1], z2 = SegEnd[2];
float x3 = OverlayCenter[0], y3 = OverlayCenter[1], z3 = OverlayCenter[2];
float r = OverlayRotateRadius * OverlayScale;
// TODO: rewrite using vectors.
float a = (x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1) + (z2 - z1)*(z2 - z1);
float b = 2 * ((x2 - x1)*(x1 - x3) + (y2 - y1)*(y1 - y3) + (z2 - z1)*(z1 - z3));
float c = x3*x3 + y3*y3 + z3*z3 + x1*x1 + y1*y1 + z1*z1 - 2*(x3*x1 + y3*y1 + z3*z1) - r*r;
float f = b * b - 4 * a * c;
if (f >= 0.0f)
{
lcVector3 ViewDir(mCamera->mTargetPosition - mCamera->mPosition);
float u1 = (-b + sqrtf(f)) / (2*a);
float u2 = (-b - sqrtf(f)) / (2*a);
lcVector3 Intersections[2] =
{
lcVector3(x1 + u1*(x2-x1), y1 + u1*(y2-y1), z1 + u1*(z2-z1)),
lcVector3(x1 + u2*(x2-x1), y1 + u2*(y2-y1), z1 + u2*(z2-z1))
};
for (int i = 0; i < 2; i++)
{
lcVector3 Dist = Intersections[i] - OverlayCenter;
if (lcDot(ViewDir, Dist) > 0.0f)
continue;
Dist = lcMul(Dist, RelativeRotation);
// Check if we're close enough to one of the axis.
Dist.Normalize();
float dx = fabsf(Dist[0]);
float dy = fabsf(Dist[1]);
float dz = fabsf(Dist[2]);
if (dx < dy)
{
if (dx < dz)
{
if (dx < Epsilon)
NewTrackTool = LC_TRACKTOOL_ROTATE_X;
}
else
{
if (dz < Epsilon)
NewTrackTool = LC_TRACKTOOL_ROTATE_Z;
}
}
else
{
if (dy < dz)
{
if (dy < Epsilon)
NewTrackTool = LC_TRACKTOOL_ROTATE_Y;
}
else
{
if (dz < Epsilon)
NewTrackTool = LC_TRACKTOOL_ROTATE_Z;
}
}
if (NewTrackTool != LC_TRACKTOOL_ROTATE_XYZ)
{
switch (NewTrackTool)
{
case LC_TRACKTOOL_ROTATE_X:
Dist[0] = 0.0f;
break;
case LC_TRACKTOOL_ROTATE_Y:
Dist[1] = 0.0f;
break;
case LC_TRACKTOOL_ROTATE_Z:
Dist[2] = 0.0f;
break;
default:
break;
}
mTrackToolFromOverlay = true;
Dist *= r;
break;
}
}
}
}
Redraw = true;
}
break;
case LC_TOOL_ERASER:
NewTrackTool = LC_TRACKTOOL_ERASER;
break;
case LC_TOOL_PAINT:
NewTrackTool = LC_TRACKTOOL_PAINT;
break;
case LC_TOOL_ZOOM:
NewTrackTool = LC_TRACKTOOL_ZOOM;
break;
case LC_TOOL_PAN:
NewTrackTool = LC_TRACKTOOL_PAN;
break;
case LC_TOOL_ROTATE_VIEW:
{
int vx, vy, vw, vh;
vx = 0;
vy = 0;
vw = mWidth;
vh = mHeight;
int cx = vx + vw / 2;
int cy = vy + vh / 2;
float d = sqrtf((float)((cx - x) * (cx - x) + (cy - y) * (cy - y)));
float r = lcMin(vw, vh) * 0.35f;
const float SquareSize = lcMax(8.0f, (vw + vh) / 200.0f);
if ((d < r + SquareSize) && (d > r - SquareSize))
{
if ((cx - x < SquareSize) && (cx - x > -SquareSize))
{
NewTrackTool = LC_TRACKTOOL_ORBIT_Y;
mTrackToolFromOverlay = true;
}
if ((cy - y < SquareSize) && (cy - y > -SquareSize))
{
NewTrackTool = LC_TRACKTOOL_ORBIT_X;
mTrackToolFromOverlay = true;
}
}
else
{
if (d < r)
NewTrackTool = LC_TRACKTOOL_ORBIT_XY;
else
NewTrackTool = LC_TRACKTOOL_ROLL;
}
}
break;
case LC_TOOL_ROLL:
NewTrackTool = LC_TRACKTOOL_ROLL;
break;
case LC_TOOL_ZOOM_REGION:
NewTrackTool = LC_TRACKTOOL_ZOOM_REGION;
break;
case LC_NUM_TOOLS:
break;
}
switch (mDragState)
{
case lcDragState::NONE:
break;
case lcDragState::PIECE:
NewTrackTool = LC_TRACKTOOL_INSERT;
Redraw = true;
break;
case lcDragState::COLOR:
NewTrackTool = LC_TRACKTOOL_PAINT;
break;
}
if (NewTrackTool != mTrackTool)
{
mTrackTool = NewTrackTool;
OnUpdateCursor();
if (Redraw)
gMainWindow->UpdateAllViews();
}
}
bool View::IsTrackToolAllowed(lcTrackTool TrackTool, quint32 AllowedTransforms) const
{
switch (TrackTool)
{
case LC_TRACKTOOL_NONE:
case LC_TRACKTOOL_INSERT:
case LC_TRACKTOOL_POINTLIGHT:
case LC_TRACKTOOL_SPOTLIGHT:
case LC_TRACKTOOL_CAMERA:
case LC_TRACKTOOL_SELECT:
return true;
case LC_TRACKTOOL_MOVE_X:
return AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_X;
case LC_TRACKTOOL_MOVE_Y:
return AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Y;
case LC_TRACKTOOL_MOVE_Z:
return AllowedTransforms & LC_OBJECT_TRANSFORM_MOVE_Z;
case LC_TRACKTOOL_MOVE_XY:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y)) == (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y);
case LC_TRACKTOOL_MOVE_XZ:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Z)) == (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Z);
case LC_TRACKTOOL_MOVE_YZ:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z)) == (LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z);
case LC_TRACKTOOL_MOVE_XYZ:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z)) == (LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z);
case LC_TRACKTOOL_ROTATE_X:
return AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_X;
case LC_TRACKTOOL_ROTATE_Y:
return AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_Y;
case LC_TRACKTOOL_ROTATE_Z:
return AllowedTransforms & LC_OBJECT_TRANSFORM_ROTATE_Z;
case LC_TRACKTOOL_ROTATE_XY:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y)) == (LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y);
case LC_TRACKTOOL_ROTATE_XYZ:
return (AllowedTransforms & (LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y | LC_OBJECT_TRANSFORM_ROTATE_Z)) == (LC_OBJECT_TRANSFORM_ROTATE_X | LC_OBJECT_TRANSFORM_ROTATE_Y | LC_OBJECT_TRANSFORM_ROTATE_Z);
case LC_TRACKTOOL_SCALE_PLUS:
case LC_TRACKTOOL_SCALE_MINUS:
return AllowedTransforms & (LC_OBJECT_TRANSFORM_SCALE_X | LC_OBJECT_TRANSFORM_SCALE_Y | LC_OBJECT_TRANSFORM_SCALE_Z);
case LC_TRACKTOOL_ERASER:
case LC_TRACKTOOL_PAINT:
case LC_TRACKTOOL_ZOOM:
case LC_TRACKTOOL_PAN:
case LC_TRACKTOOL_ORBIT_X:
case LC_TRACKTOOL_ORBIT_Y:
case LC_TRACKTOOL_ORBIT_XY:
case LC_TRACKTOOL_ROLL:
case LC_TRACKTOOL_ZOOM_REGION:
return true;
}
return false;
}
void View::StartOrbitTracking()
{
mTrackTool = LC_TRACKTOOL_ORBIT_XY;
OnUpdateCursor();
OnButtonDown(LC_TRACKBUTTON_LEFT);
}
void View::StartTracking(lcTrackButton TrackButton)
{
mTrackButton = TrackButton;
mTrackUpdated = false;
mMouseDownX = mInputState.x;
mMouseDownY = mInputState.y;
lcTool Tool = GetCurrentTool();
lcModel* ActiveModel = GetActiveModel();
switch (Tool)
{
case LC_TOOL_INSERT:
case LC_TOOL_LIGHT:
break;
case LC_TOOL_SPOTLIGHT:
{
lcVector3 Position = GetCameraLightInsertPosition();
lcVector3 Target = Position + lcVector3(0.1f, 0.1f, 0.1f);
ActiveModel->BeginSpotLightTool(Position, Target);
}
break;
case LC_TOOL_CAMERA:
{
lcVector3 Position = GetCameraLightInsertPosition();
lcVector3 Target = Position + lcVector3(0.1f, 0.1f, 0.1f);
ActiveModel->BeginCameraTool(Position, Target);
}
break;
case LC_TOOL_SELECT:
break;
case LC_TOOL_MOVE:
case LC_TOOL_ROTATE:
ActiveModel->BeginMouseTool();
break;
case LC_TOOL_ERASER:
case LC_TOOL_PAINT:
break;
case LC_TOOL_ZOOM:
case LC_TOOL_PAN:
case LC_TOOL_ROTATE_VIEW:
case LC_TOOL_ROLL:
ActiveModel->BeginMouseTool();
break;
case LC_TOOL_ZOOM_REGION:
break;
case LC_NUM_TOOLS:
break;
}
OnUpdateCursor();
}
void View::StopTracking(bool Accept)
{
if (mTrackButton == LC_TRACKBUTTON_NONE)
return;
lcTool Tool = GetCurrentTool();
lcModel* ActiveModel = GetActiveModel();
switch (Tool)
{
case LC_TOOL_INSERT:
case LC_TOOL_LIGHT:
break;
case LC_TOOL_SPOTLIGHT:
case LC_TOOL_CAMERA:
ActiveModel->EndMouseTool(Tool, Accept);
break;
case LC_TOOL_SELECT:
if (Accept && mMouseDownX != mInputState.x && mMouseDownY != mInputState.y)
{
lcArray<lcObject*> Objects = FindObjectsInBox(mMouseDownX, mMouseDownY, mInputState.x, mInputState.y);
if (mInputState.Modifiers & Qt::ControlModifier)
ActiveModel->AddToSelection(Objects, true, true);
else if (mInputState.Modifiers & Qt::ShiftModifier)
ActiveModel->RemoveFromSelection(Objects);
else
ActiveModel->SetSelectionAndFocus(Objects, nullptr, 0, true);
}
break;
case LC_TOOL_MOVE:
case LC_TOOL_ROTATE:
ActiveModel->EndMouseTool(Tool, Accept);
break;
case LC_TOOL_ERASER:
case LC_TOOL_PAINT:
break;
case LC_TOOL_ZOOM:
case LC_TOOL_PAN:
case LC_TOOL_ROTATE_VIEW:
case LC_TOOL_ROLL:
ActiveModel->EndMouseTool(Tool, Accept);
break;
case LC_TOOL_ZOOM_REGION:
{
if (mInputState.x == mMouseDownX || mInputState.y == mMouseDownY)
break;
lcVector3 Points[6] =
{
lcVector3((mMouseDownX + lcMin(mInputState.x, mWidth - 1)) / 2, (mMouseDownY + lcMin(mInputState.y, mHeight - 1)) / 2, 0.0f),
lcVector3((mMouseDownX + lcMin(mInputState.x, mWidth - 1)) / 2, (mMouseDownY + lcMin(mInputState.y, mHeight - 1)) / 2, 1.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f),
lcVector3(mMouseDownX, mMouseDownY, 0.0f),
lcVector3(mMouseDownX, mMouseDownY, 1.0f)
};
UnprojectPoints(Points, 5);
lcVector3 Center = ActiveModel->GetSelectionOrModelCenter();
lcVector3 PlaneNormal(mCamera->mPosition - mCamera->mTargetPosition);
lcVector4 Plane(PlaneNormal, -lcDot(PlaneNormal, Center));
lcVector3 Target, Corners[2];
if (lcLineSegmentPlaneIntersection(&Target, Points[0], Points[1], Plane) && lcLineSegmentPlaneIntersection(&Corners[0], Points[2], Points[3], Plane) && lcLineSegmentPlaneIntersection(&Corners[1], Points[3], Points[4], Plane))
{
float AspectRatio = (float)mWidth / (float)mHeight;
ActiveModel->ZoomRegionToolClicked(mCamera, AspectRatio, Points[0], Target, Corners);
}
}
break;
case LC_NUM_TOOLS:
break;
}
mTrackButton = LC_TRACKBUTTON_NONE;
UpdateTrackTool();
gMainWindow->UpdateAllViews();
}
void View::CancelTrackingOrClearSelection()
{
if (mTrackButton != LC_TRACKBUTTON_NONE)
StopTracking(false);
else
{
lcModel* ActiveModel = GetActiveModel();
if (ActiveModel)
ActiveModel->ClearSelection(true);
}
}
void View::OnButtonDown(lcTrackButton TrackButton)
{
lcModel* ActiveModel = GetActiveModel();
switch (mTrackTool)
{
case LC_TRACKTOOL_NONE:
break;
case LC_TRACKTOOL_INSERT:
{
PieceInfo* CurPiece = gMainWindow->GetCurrentPieceInfo();
if (!CurPiece)
break;
ActiveModel->InsertPieceToolClicked(GetPieceInsertPosition(false, gMainWindow->GetCurrentPieceInfo()));
if ((mInputState.Modifiers & Qt::ControlModifier) == 0)
gMainWindow->SetTool(LC_TOOL_SELECT);
UpdateTrackTool();
}
break;
case LC_TRACKTOOL_POINTLIGHT:
{
ActiveModel->PointLightToolClicked(GetCameraLightInsertPosition());
if ((mInputState.Modifiers & Qt::ControlModifier) == 0)
gMainWindow->SetTool(LC_TOOL_SELECT);
UpdateTrackTool();
}
break;
case LC_TRACKTOOL_SPOTLIGHT:
case LC_TRACKTOOL_CAMERA:
StartTracking(TrackButton);
break;
case LC_TRACKTOOL_SELECT:
{
lcObjectSection ObjectSection = FindObjectUnderPointer(false, false);
if (mInputState.Modifiers & Qt::ControlModifier)
ActiveModel->FocusOrDeselectObject(ObjectSection);
else if (mInputState.Modifiers & Qt::ShiftModifier)
ActiveModel->RemoveFromSelection(ObjectSection);
else
ActiveModel->ClearSelectionAndSetFocus(ObjectSection, true);
StartTracking(TrackButton);
}
break;
case LC_TRACKTOOL_MOVE_X:
case LC_TRACKTOOL_MOVE_Y:
case LC_TRACKTOOL_MOVE_Z:
case LC_TRACKTOOL_MOVE_XY:
case LC_TRACKTOOL_MOVE_XZ:
case LC_TRACKTOOL_MOVE_YZ:
case LC_TRACKTOOL_MOVE_XYZ:
if (ActiveModel->AnyObjectsSelected())
StartTracking(TrackButton);
break;
case LC_TRACKTOOL_ROTATE_X:
case LC_TRACKTOOL_ROTATE_Y:
case LC_TRACKTOOL_ROTATE_Z:
case LC_TRACKTOOL_ROTATE_XY:
case LC_TRACKTOOL_ROTATE_XYZ:
if (ActiveModel->AnyPiecesSelected())
StartTracking(TrackButton);
break;
case LC_TRACKTOOL_SCALE_PLUS:
case LC_TRACKTOOL_SCALE_MINUS:
if (ActiveModel->AnyPiecesSelected())
StartTracking(TrackButton);
break;
case LC_TRACKTOOL_ERASER:
ActiveModel->EraserToolClicked(FindObjectUnderPointer(false, false).Object);
break;
case LC_TRACKTOOL_PAINT:
ActiveModel->PaintToolClicked(FindObjectUnderPointer(true, false).Object);
break;
case LC_TRACKTOOL_ZOOM:
case LC_TRACKTOOL_PAN:
case LC_TRACKTOOL_ORBIT_X:
case LC_TRACKTOOL_ORBIT_Y:
case LC_TRACKTOOL_ORBIT_XY:
case LC_TRACKTOOL_ROLL:
case LC_TRACKTOOL_ZOOM_REGION:
StartTracking(TrackButton);
break;
}
}
void View::OnLeftButtonDown()
{
if (mTrackButton != LC_TRACKBUTTON_NONE)
{
StopTracking(false);
return;
}
gMainWindow->SetActiveView(this);
if (mViewSphere.OnLeftButtonDown())
return;
lcTrackTool OverrideTool = GetOverrideTrackTool(Qt::LeftButton);
if (OverrideTool != LC_TRACKTOOL_NONE)
{
mTrackTool = OverrideTool;
OnUpdateCursor();
}
OnButtonDown(LC_TRACKBUTTON_LEFT);
}
void View::OnLeftButtonUp()
{
StopTracking(mTrackButton == LC_TRACKBUTTON_LEFT);
if (mViewSphere.OnLeftButtonUp())
return;
}
void View::OnLeftButtonDoubleClick()
{
gMainWindow->SetActiveView(this);
lcObjectSection ObjectSection = FindObjectUnderPointer(false, false);
lcModel* ActiveModel = GetActiveModel();
if (mInputState.Modifiers & Qt::ControlModifier)
ActiveModel->FocusOrDeselectObject(ObjectSection);
else if (mInputState.Modifiers & Qt::ShiftModifier)
ActiveModel->RemoveFromSelection(ObjectSection);
else
ActiveModel->ClearSelectionAndSetFocus(ObjectSection, true);
}
void View::OnMiddleButtonDown()
{
if (mTrackButton != LC_TRACKBUTTON_NONE)
{
StopTracking(false);
return;
}
gMainWindow->SetActiveView(this);
#if (QT_VERSION >= QT_VERSION_CHECK(4, 7, 0))
lcTrackTool OverrideTool = GetOverrideTrackTool(Qt::MiddleButton);
if (OverrideTool != LC_TRACKTOOL_NONE)
{
mTrackTool = OverrideTool;
OnUpdateCursor();
}
#endif
OnButtonDown(LC_TRACKBUTTON_MIDDLE);
}
void View::OnMiddleButtonUp()
{
StopTracking(mTrackButton == LC_TRACKBUTTON_MIDDLE);
}
void View::OnRightButtonDown()
{
if (mTrackButton != LC_TRACKBUTTON_NONE)
{
StopTracking(false);
return;
}
gMainWindow->SetActiveView(this);
lcTrackTool OverrideTool = GetOverrideTrackTool(Qt::RightButton);
if (OverrideTool != LC_TRACKTOOL_NONE)
{
mTrackTool = OverrideTool;
OnUpdateCursor();
}
OnButtonDown(LC_TRACKBUTTON_RIGHT);
}
void View::OnRightButtonUp()
{
bool ShowMenu = mTrackButton == LC_TRACKBUTTON_NONE || !mTrackUpdated;
if (mTrackButton != LC_TRACKBUTTON_NONE)
StopTracking(mTrackButton == LC_TRACKBUTTON_RIGHT);
if (ShowMenu)
ShowContextMenu();
}
void View::OnBackButtonUp()
{
gMainWindow->HandleCommand(LC_VIEW_TIME_PREVIOUS);
}
void View::OnForwardButtonUp()
{
gMainWindow->HandleCommand(LC_VIEW_TIME_NEXT);
}
void View::OnMouseMove()
{
lcModel* ActiveModel = GetActiveModel();
if (!ActiveModel)
return;
if (mTrackButton == LC_TRACKBUTTON_NONE)
{
if (mViewSphere.OnMouseMove())
{
lcTrackTool NewTrackTool = mViewSphere.IsDragging() ? LC_TRACKTOOL_ORBIT_XY : LC_TRACKTOOL_NONE;
if (NewTrackTool != mTrackTool)
{
mTrackTool = NewTrackTool;
OnUpdateCursor();
}
return;
}
UpdateTrackTool();
if (mTrackTool == LC_TRACKTOOL_INSERT)
gMainWindow->UpdateAllViews();
return;
}
mTrackUpdated = true;
const float MouseSensitivity = 0.5f / (21.0f - lcGetPreferences().mMouseSensitivity);
switch (mTrackTool)
{
case LC_TRACKTOOL_NONE:
case LC_TRACKTOOL_INSERT:
case LC_TRACKTOOL_POINTLIGHT:
break;
case LC_TRACKTOOL_SPOTLIGHT:
ActiveModel->UpdateSpotLightTool(GetCameraLightInsertPosition());
break;
case LC_TRACKTOOL_CAMERA:
ActiveModel->UpdateCameraTool(GetCameraLightInsertPosition());
break;
case LC_TRACKTOOL_SELECT:
Redraw();
break;
case LC_TRACKTOOL_MOVE_X:
case LC_TRACKTOOL_MOVE_Y:
case LC_TRACKTOOL_MOVE_Z:
case LC_TRACKTOOL_MOVE_XY:
case LC_TRACKTOOL_MOVE_XZ:
case LC_TRACKTOOL_MOVE_YZ:
case LC_TRACKTOOL_MOVE_XYZ:
case LC_TRACKTOOL_SCALE_PLUS:
case LC_TRACKTOOL_SCALE_MINUS:
{
lcVector3 Points[4] =
{
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f),
lcVector3(mMouseDownX, mMouseDownY, 0.0f),
lcVector3(mMouseDownX, mMouseDownY, 1.0f)
};
UnprojectPoints(Points, 4);
const lcVector3& CurrentStart = Points[0];
const lcVector3& CurrentEnd = Points[1];
const lcVector3& MouseDownStart = Points[2];
const lcVector3& MouseDownEnd = Points[3];
lcVector3 Center;
lcMatrix33 RelativeRotation;
ActiveModel->GetMoveRotateTransform(Center, RelativeRotation);
if (mTrackTool == LC_TRACKTOOL_MOVE_X || mTrackTool == LC_TRACKTOOL_MOVE_Y || mTrackTool == LC_TRACKTOOL_MOVE_Z)
{
lcVector3 Direction;
if (mTrackTool == LC_TRACKTOOL_MOVE_X)
Direction = lcVector3(1.0f, 0.0f, 0.0f);
else if (mTrackTool == LC_TRACKTOOL_MOVE_Y)
Direction = lcVector3(0.0f, 1.0f, 0.0f);
else
Direction = lcVector3(0.0f, 0.0f, 1.0f);
Direction = lcMul(Direction, RelativeRotation);
lcVector3 Intersection;
lcClosestPointsBetweenLines(Center, Center + Direction, CurrentStart, CurrentEnd, &Intersection, nullptr);
lcVector3 MoveStart;
lcClosestPointsBetweenLines(Center, Center + Direction, MouseDownStart, MouseDownEnd, &MoveStart, nullptr);
lcVector3 Distance = Intersection - MoveStart;
Distance = lcMul(Distance, lcMatrix33AffineInverse(RelativeRotation));
ActiveModel->UpdateMoveTool(Distance, mTrackButton != LC_TRACKBUTTON_LEFT);
}
else if (mTrackTool == LC_TRACKTOOL_MOVE_XY || mTrackTool == LC_TRACKTOOL_MOVE_XZ || mTrackTool == LC_TRACKTOOL_MOVE_YZ)
{
lcVector3 PlaneNormal;
if (mTrackTool == LC_TRACKTOOL_MOVE_XY)
PlaneNormal = lcVector3(0.0f, 0.0f, 1.0f);
else if (mTrackTool == LC_TRACKTOOL_MOVE_XZ)
PlaneNormal = lcVector3(0.0f, 1.0f, 0.0f);
else
PlaneNormal = lcVector3(1.0f, 0.0f, 0.0f);
PlaneNormal = lcMul(PlaneNormal, RelativeRotation);
lcVector4 Plane(PlaneNormal, -lcDot(PlaneNormal, Center));
lcVector3 Intersection;
if (lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane))
{
lcVector3 MoveStart;
if (lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
{
lcVector3 Distance = Intersection - MoveStart;
Distance = lcMul(Distance, lcMatrix33AffineInverse(RelativeRotation));
ActiveModel->UpdateMoveTool(Distance, mTrackButton != LC_TRACKBUTTON_LEFT);
}
}
}
else if (mTrackTool == LC_TRACKTOOL_MOVE_XYZ && mMouseDownPiece)
{
lcMatrix44 NewPosition = GetPieceInsertPosition(true, mMouseDownPiece);
lcVector3 Distance = NewPosition.GetTranslation() - mMouseDownPosition;
ActiveModel->UpdateMoveTool(Distance, mTrackButton != LC_TRACKBUTTON_LEFT);
}
else if (mTrackTool == LC_TRACKTOOL_SCALE_PLUS || mTrackTool == LC_TRACKTOOL_SCALE_MINUS)
{
lcVector3 Direction;
if (mTrackTool == LC_TRACKTOOL_SCALE_PLUS)
Direction = lcVector3(1.0f, 0.0f, 0.0f);
else
Direction = lcVector3(-1.0f, 0.0f, 0.0f);
Direction = lcMul(Direction, RelativeRotation);
lcVector3 Intersection;
lcClosestPointsBetweenLines(Center, Center + Direction, CurrentStart, CurrentEnd, &Intersection, nullptr);
lcObject* Focus = ActiveModel->GetFocusObject();
if (Focus && Focus->IsPiece())
{
lcPiece* Piece = (lcPiece*)Focus;
quint32 Section = Piece->GetFocusSection();
if (Section >= LC_PIECE_SECTION_CONTROL_POINT_1 && Section <= LC_PIECE_SECTION_CONTROL_POINT_8)
{
const float ScaleMax = 200.0f;
const float OverlayScale = GetOverlayScale();
const float ScaleStart = 2.0f * OverlayScale;
lcVector3 Position = Piece->GetSectionPosition(Section);
lcVector3 Start = Position + Direction * ScaleStart;
float Distance = lcLength(Intersection - Start);
if (lcDot(Direction, Intersection - Start) < 0.0f)
Distance = 0.0f;
float Scale = lcClamp(Distance, 0.1f, ScaleMax);
ActiveModel->UpdateScaleTool(Scale);
}
}
}
else
{
lcVector3 PlaneNormal = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
lcVector4 Plane(PlaneNormal, -lcDot(PlaneNormal, Center));
lcVector3 Intersection;
if (lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane))
{
lcVector3 MoveStart;
if (lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
{
lcVector3 Distance = Intersection - MoveStart;
ActiveModel->UpdateMoveTool(Distance, mTrackButton != LC_TRACKBUTTON_LEFT);
}
}
}
}
break;
case LC_TRACKTOOL_ROTATE_X:
case LC_TRACKTOOL_ROTATE_Y:
case LC_TRACKTOOL_ROTATE_Z:
{
lcVector3 ScreenX = lcNormalize(lcCross(mCamera->mTargetPosition - mCamera->mPosition, mCamera->mUpVector));
lcVector3 ScreenY = mCamera->mUpVector;
lcVector3 Dir1;
switch (mTrackTool)
{
case LC_TRACKTOOL_ROTATE_X:
Dir1 = lcVector3(1.0f, 0.0f, 0.0f);
break;
case LC_TRACKTOOL_ROTATE_Y:
Dir1 = lcVector3(0.0f, 1.0f, 0.0f);
break;
case LC_TRACKTOOL_ROTATE_Z:
Dir1 = lcVector3(0.0f, 0.0f, 1.0f);
break;
default:
Dir1 = lcVector3(0.0f, 0.0f, 1.0f);
break;
}
lcVector3 MoveX, MoveY;
float dx1 = lcDot(ScreenX, Dir1);
float dy1 = lcDot(ScreenY, Dir1);
if (fabsf(dx1) > fabsf(dy1))
{
if (dx1 >= 0.0f)
MoveX = Dir1;
else
MoveX = -Dir1;
MoveY = lcVector3(0, 0, 0);
}
else
{
MoveX = lcVector3(0, 0, 0);
if (dy1 > 0.0f)
MoveY = Dir1;
else
MoveY = -Dir1;
}
MoveX *= 36.0f * (float)(mInputState.x - mMouseDownX) * MouseSensitivity;
MoveY *= 36.0f * (float)(mInputState.y - mMouseDownY) * MouseSensitivity;
ActiveModel->UpdateRotateTool(MoveX + MoveY, mTrackButton != LC_TRACKBUTTON_LEFT);
}
break;
case LC_TRACKTOOL_ROTATE_XY:
{
lcVector3 ScreenZ = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
lcVector3 ScreenX = lcCross(ScreenZ, mCamera->mUpVector);
lcVector3 ScreenY = mCamera->mUpVector;
lcVector3 MoveX = 36.0f * (float)(mInputState.x - mMouseDownX) * MouseSensitivity * ScreenX;
lcVector3 MoveY = 36.0f * (float)(mInputState.y - mMouseDownY) * MouseSensitivity * ScreenY;
ActiveModel->UpdateRotateTool(MoveX + MoveY, mTrackButton != LC_TRACKBUTTON_LEFT);
}
break;
case LC_TRACKTOOL_ROTATE_XYZ:
{
lcVector3 ScreenZ = lcNormalize(mCamera->mTargetPosition - mCamera->mPosition);
ActiveModel->UpdateRotateTool(36.0f * (float)(mInputState.y - mMouseDownY) * MouseSensitivity * ScreenZ, mTrackButton != LC_TRACKBUTTON_LEFT);
}
break;
case LC_TRACKTOOL_ERASER:
case LC_TRACKTOOL_PAINT:
break;
case LC_TRACKTOOL_ZOOM:
ActiveModel->UpdateZoomTool(mCamera, 2.0f * MouseSensitivity * (mInputState.y - mMouseDownY));
break;
case LC_TRACKTOOL_PAN:
{
lcVector3 Points[4] =
{
lcVector3((float)mInputState.x, (float)mInputState.y, 0.0f),
lcVector3((float)mInputState.x, (float)mInputState.y, 1.0f),
lcVector3(mMouseDownX, mMouseDownY, 0.0f),
lcVector3(mMouseDownX, mMouseDownY, 1.0f)
};
UnprojectPoints(Points, 4);
const lcVector3& CurrentStart = Points[0];
const lcVector3& CurrentEnd = Points[1];
const lcVector3& MouseDownStart = Points[2];
const lcVector3& MouseDownEnd = Points[3];
lcVector3 Center = ActiveModel->GetSelectionOrModelCenter();
lcVector3 PlaneNormal(mCamera->mPosition - mCamera->mTargetPosition);
lcVector4 Plane(PlaneNormal, -lcDot(PlaneNormal, Center));
lcVector3 Intersection, MoveStart;
if (!lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane) || !lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
{
Center = MouseDownStart + lcNormalize(MouseDownEnd - MouseDownStart) * 10.0f;
Plane = lcVector4(PlaneNormal, -lcDot(PlaneNormal, Center));
if (!lcLineSegmentPlaneIntersection(&Intersection, CurrentStart, CurrentEnd, Plane) || !lcLineSegmentPlaneIntersection(&MoveStart, MouseDownStart, MouseDownEnd, Plane))
break;
}
ActiveModel->UpdatePanTool(mCamera, MoveStart - Intersection);
}
break;
case LC_TRACKTOOL_ORBIT_X:
ActiveModel->UpdateOrbitTool(mCamera, 0.1f * MouseSensitivity * (mInputState.x - mMouseDownX), 0.0f);
break;
case LC_TRACKTOOL_ORBIT_Y:
ActiveModel->UpdateOrbitTool(mCamera, 0.0f, 0.1f * MouseSensitivity * (mInputState.y - mMouseDownY));
break;
case LC_TRACKTOOL_ORBIT_XY:
ActiveModel->UpdateOrbitTool(mCamera, 0.1f * MouseSensitivity * (mInputState.x - mMouseDownX), 0.1f * MouseSensitivity * (mInputState.y - mMouseDownY));
break;
case LC_TRACKTOOL_ROLL:
ActiveModel->UpdateRollTool(mCamera, 2.0f * MouseSensitivity * (mInputState.x - mMouseDownX) * LC_DTOR);
break;
case LC_TRACKTOOL_ZOOM_REGION:
Redraw();
break;
}
}
void View::OnMouseWheel(float Direction)
{
mModel->Zoom(mCamera, (int)(((mInputState.Modifiers & Qt::ControlModifier) ? 100 : 10) * Direction));
}