mirror of
https://github.com/leozide/leocad
synced 2024-12-28 22:23:35 +01:00
155 lines
3 KiB
C++
155 lines
3 KiB
C++
#include "lc_global.h"
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#include "preview.h"
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#include "project.h"
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#include "pieceinf.h"
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#include "system.h"
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#include "lc_application.h"
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#include "lc_mainwindow.h"
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PiecePreview::PiecePreview()
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{
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m_PieceInfo = NULL;
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m_RotateX = 60.0f;
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m_RotateZ = 225.0f;
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m_Distance = 10.0f;
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m_AutoZoom = true;
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m_Tracking = LC_TRACK_NONE;
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}
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PiecePreview::~PiecePreview()
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{
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}
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void PiecePreview::OnDraw()
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{
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if (m_PieceInfo == NULL)
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return;
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(GL_LEQUAL);
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glEnable(GL_POLYGON_OFFSET_FILL);
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glPolygonOffset(0.5f, 0.1f);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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float aspect = (float)mWidth/(float)mHeight;
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glViewport(0, 0, mWidth, mHeight);
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glEnableClientState(GL_VERTEX_ARRAY);
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lcVector3 Eye(0.0f, 0.0f, 1.0f);
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Eye = lcMul30(Eye, lcMatrix44RotationX(-m_RotateX * LC_DTOR));
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Eye = lcMul30(Eye, lcMatrix44RotationZ(-m_RotateZ * LC_DTOR));
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if (m_AutoZoom)
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{
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Eye = Eye * 100.0f;
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m_PieceInfo->ZoomExtents(30.0f, aspect, Eye);
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// Update the new camera distance.
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lcVector3 d = Eye - m_PieceInfo->GetCenter();
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m_Distance = d.Length();
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}
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else
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{
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glMatrixMode(GL_PROJECTION);
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glLoadMatrixf(lcMatrix44Perspective(30.0f, aspect, 1.0f, 2500.0f));
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glMatrixMode(GL_MODELVIEW);
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glLoadMatrixf(lcMatrix44LookAt(Eye * m_Distance, m_PieceInfo->GetCenter(), lcVector3(0, 0, 1)));
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}
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float *bg = lcGetActiveProject()->GetBackgroundColor();
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glClearColor(bg[0], bg[1], bg[2], bg[3]);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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m_PieceInfo->RenderPiece(gMainWindow->mColorIndex);
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glDisableClientState(GL_VERTEX_ARRAY);
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}
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void PiecePreview::SetCurrentPiece(PieceInfo *pInfo)
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{
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MakeCurrent();
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if (m_PieceInfo != NULL)
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m_PieceInfo->Release();
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m_PieceInfo = pInfo;
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if (m_PieceInfo != NULL)
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{
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m_PieceInfo->AddRef();
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lcGetActiveProject()->SetCurrentPiece(m_PieceInfo);
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Redraw();
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}
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}
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void PiecePreview::OnLeftButtonDown()
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{
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if (m_Tracking == LC_TRACK_NONE)
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{
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m_DownX = mInputState.x;
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m_DownY = mInputState.y;
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m_Tracking = LC_TRACK_LEFT;
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}
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}
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void PiecePreview::OnLeftButtonUp()
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{
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if (m_Tracking == LC_TRACK_LEFT)
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m_Tracking = LC_TRACK_NONE;
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}
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void PiecePreview::OnLeftButtonDoubleClick()
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{
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m_AutoZoom = true;
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Redraw();
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}
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void PiecePreview::OnRightButtonDown()
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{
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if (m_Tracking == LC_TRACK_NONE)
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{
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m_DownX = mInputState.x;
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m_DownY = mInputState.y;
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m_Tracking = LC_TRACK_RIGHT;
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}
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}
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void PiecePreview::OnRightButtonUp()
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{
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if (m_Tracking == LC_TRACK_RIGHT)
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m_Tracking = LC_TRACK_NONE;
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}
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void PiecePreview::OnMouseMove()
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{
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if (m_Tracking == LC_TRACK_LEFT)
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{
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// Rotate.
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m_RotateZ += mInputState.x - m_DownX;
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m_RotateX += mInputState.y - m_DownY;
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if (m_RotateX > 179.5f)
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m_RotateX = 179.5f;
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else if (m_RotateX < 0.5f)
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m_RotateX = 0.5f;
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m_DownX = mInputState.x;
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m_DownY = mInputState.y;
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Redraw();
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}
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else if (m_Tracking == LC_TRACK_RIGHT)
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{
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// Zoom.
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m_Distance += (float)(m_DownY - mInputState.y) * 0.2f;
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m_AutoZoom = false;
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if (m_Distance < 0.5f)
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m_Distance = 0.5f;
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m_DownX = mInputState.x;
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m_DownY = mInputState.y;
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Redraw();
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}
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}
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