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115 lines
2.6 KiB
C++
115 lines
2.6 KiB
C++
#include "map_grid.h"
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#include <engine/keys.h>
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#include "editor.h"
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void CMapGrid::OnReset()
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{
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m_GridActive = false;
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m_GridFactor = 1;
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}
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void CMapGrid::OnRender(CUIRect View)
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{
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if(!m_GridActive)
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return;
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std::shared_ptr<CLayerGroup> pGroup = Editor()->GetSelectedGroup();
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if(pGroup)
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{
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pGroup->MapScreen();
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float aGroupPoints[4];
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pGroup->Mapping(aGroupPoints);
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const CUIRect *pScreen = UI()->Screen();
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int LineDistance = GridLineDistance();
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int XOffset = aGroupPoints[0] / LineDistance;
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int YOffset = aGroupPoints[1] / LineDistance;
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int XGridOffset = XOffset % m_GridFactor;
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int YGridOffset = YOffset % m_GridFactor;
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Graphics()->TextureClear();
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Graphics()->LinesBegin();
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for(int i = 0; i < (int)pScreen->w; i++)
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{
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if((i + YGridOffset) % m_GridFactor == 0)
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Graphics()->SetColor(1.0f, 0.3f, 0.3f, 0.3f);
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else
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Graphics()->SetColor(1.0f, 1.0f, 1.0f, 0.15f);
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IGraphics::CLineItem Line = IGraphics::CLineItem(LineDistance * XOffset, LineDistance * i + LineDistance * YOffset, pScreen->w + aGroupPoints[2], LineDistance * i + LineDistance * YOffset);
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Graphics()->LinesDraw(&Line, 1);
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if((i + XGridOffset) % m_GridFactor == 0)
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Graphics()->SetColor(1.0f, 0.3f, 0.3f, 0.3f);
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else
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Graphics()->SetColor(1.0f, 1.0f, 1.0f, 0.15f);
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Line = IGraphics::CLineItem(LineDistance * i + LineDistance * XOffset, LineDistance * YOffset, LineDistance * i + LineDistance * XOffset, pScreen->h + aGroupPoints[3]);
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Graphics()->LinesDraw(&Line, 1);
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}
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Graphics()->SetColor(1.0f, 1.0f, 1.0f, 1.0f);
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Graphics()->LinesEnd();
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}
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}
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int CMapGrid::GridLineDistance() const
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{
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if(Editor()->MapView()->Zoom()->GetValue() <= 100.0f)
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return 16;
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else if(Editor()->MapView()->Zoom()->GetValue() <= 250.0f)
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return 32;
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else if(Editor()->MapView()->Zoom()->GetValue() <= 450.0f)
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return 64;
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else if(Editor()->MapView()->Zoom()->GetValue() <= 850.0f)
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return 128;
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else if(Editor()->MapView()->Zoom()->GetValue() <= 1550.0f)
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return 256;
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else
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return 512;
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}
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void CMapGrid::SnapToGrid(float &x, float &y)
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{
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const int GridDistance = GridLineDistance() * m_GridFactor;
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x = (int)((x + (x >= 0 ? 1.0f : -1.0f) * GridDistance / 2) / GridDistance) * GridDistance;
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y = (int)((y + (y >= 0 ? 1.0f : -1.0f) * GridDistance / 2) / GridDistance) * GridDistance;
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}
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bool CMapGrid::IsEnabled() const
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{
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return m_GridActive;
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}
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void CMapGrid::Toggle()
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{
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m_GridActive = !m_GridActive;
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}
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bool CMapGrid::Factor() const
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{
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return m_GridFactor;
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}
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void CMapGrid::ResetFactor()
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{
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m_GridFactor = 1;
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}
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void CMapGrid::IncreaseFactor()
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{
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if(m_GridFactor < 15)
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m_GridFactor++;
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}
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void CMapGrid::DecreaseFactor()
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{
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if(m_GridFactor > 1)
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m_GridFactor--;
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}
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