Added preview of tile to be placed under mouse in map editor

2 files changed, 29 insertions, 0 deletions

@@ -7,6 +7,7 @@ BEGIN_EVENT_TABLE(MapeditWidget, wxScrolledWindow)
   EVT_LEFT_DOWN(MapeditWidget::OnClick)
   EVT_LEFT_UP(MapeditWidget::OnMouseUp)
   EVT_MOTION(MapeditWidget::OnMouseMove)
+  EVT_LEAVE_WINDOW(MapeditWidget::OnMouseOut)
 END_EVENT_TABLE()
 
 MapeditWidget::MapeditWidget()
@@ -51,6 +52,20 @@ void MapeditWidget::OnPaint(wxPaintEvent& event)
       dc.StretchBlit(x*TILE_WIDTH*scale-vX, y*TILE_HEIGHT*scale-vY, TILE_WIDTH*scale, TILE_HEIGHT*scale, &tiles_dc, tile%8*TILE_WIDTH, tile/8*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
     }
   }
+  
+  if (mouseIsIn)
+  {
+    int tile = tileWidget->getSelected();
+    int x = (mousePos.x + vX) / (TILE_WIDTH * scale);
+    int y = (mousePos.y + vY) / (TILE_HEIGHT * scale);
+    
+    dc.StretchBlit(x*TILE_WIDTH*scale-vX, y*TILE_HEIGHT*scale-vY, TILE_WIDTH*scale, TILE_HEIGHT*scale, &tiles_dc, tile%8*TILE_WIDTH, tile/8*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
+    
+    wxPen pen(*wxGREEN, 2);
+    dc.SetPen(pen);
+    dc.SetBrush(*wxTRANSPARENT_BRUSH);
+    dc.DrawRectangle(x*TILE_WIDTH*scale-vX, y*TILE_HEIGHT*scale-vY, TILE_WIDTH*scale, TILE_HEIGHT*scale);
+  }
 }
 
 void MapeditWidget::SetTile(wxPoint pos)
@@ -80,6 +95,10 @@ void MapeditWidget::OnMouseMove(wxMouseEvent& event)
   {
     SetTile(event.GetPosition());
   }
+  
+  mouseIsIn = true;
+  mousePos = event.GetPosition();
+  Refresh();
 }
 
 void MapeditWidget::OnMouseUp(wxMouseEvent& event)
@@ -87,6 +106,13 @@ void MapeditWidget::OnMouseUp(wxMouseEvent& event)
   mouseIsDown = false;
 }
 
+void MapeditWidget::OnMouseOut(wxMouseEvent& event)
+{
+  mouseIsIn = false;
+  
+  Refresh();
+}
+
 void MapeditWidget::ZoomIn()
 {
   SetZoomSize(scale+1);
@@ -25,6 +25,7 @@ class MapeditWidget : public wxScrolledWindow {
     void OnClick(wxMouseEvent& event);
     void OnMouseMove(wxMouseEvent& event);
     void OnMouseUp(wxMouseEvent& event);
+    void OnMouseOut(wxMouseEvent& event);
     
   private:
     void SetTile(wxPoint pos);
@@ -35,6 +36,8 @@ class MapeditWidget : public wxScrolledWindow {
     TileWidget* tileWidget;
     bool mouseIsDown = false;
     int scale;
+    wxPoint mousePos;
+    bool mouseIsIn = false;
     
     DECLARE_DYNAMIC_CLASS(MapeditWidget);
     DECLARE_EVENT_TABLE();