public void Draw(IPlotOperation plotOperation)
{
var area = viewport.RenderedArea;
var insets = viewport.RenderInsets;
var renderType = viewport.RenderType;
var screenOrigin = new MapCoordinate(0, 0);
screenNavigator.NavigateTo(GridDirection.North, screenOrigin, out MapCoordinate northWest, insets.Top);
screenNavigator.NavigateTo(GridDirection.West, northWest, out northWest, insets.Left);
screenNavigator.NavigateTo(GridDirection.South, screenOrigin, out MapCoordinate southWest, insets.Bottom);
screenNavigator.NavigateTo(GridDirection.West, southWest, out southWest, insets.Left);
var valid = true;
var mapOrigin = viewport.CenterPointInMapCoordinates;
valid &= mapAccessNavigator.NavigateTo(GridDirection.North, mapOrigin, out MapCoordinate mapRowStart, insets.Top);
valid &= mapAccessNavigator.NavigateTo(GridDirection.West, mapRowStart, out mapRowStart, insets.Left);
var rowStart = northWest;
if (logger.IsTraceEnabled)
{
logger.Trace(
"Rendering frame lines from {0} -> {1} in area {2} (Insets: {3}, ScreenOrigin: {4}, MapOrigin: {5})",
northWest, southWest, area, insets, screenOrigin, mapOrigin);
}
plotOperation.StartDrawing();
for (var y = 0; y < area.Height; y += 1)
{
if (renderType == RenderType.Grid)
{
RenderLine(plotOperation, mapRowStart, rowStart, area.Width, valid, y);
screenNavigator.NavigateTo(GridDirection.South, rowStart, out rowStart);
valid = mapAccessNavigator.NavigateTo(GridDirection.South, mapRowStart, out mapRowStart);
}
else
{
// In any of the two isometric modes the renderer cannot just move straight downwards.
// Rows are offset against each other, so the renderer has to alternate between the
// south-east and south-west direction.
//
// On the first line, the start and end position are outwards from the screen so
// the line is actually two elements longer.
RenderLine(plotOperation, mapRowStart, rowStart, area.Width, valid, y); // was area.Width
screenNavigator.NavigateTo(GridDirection.SouthEast, rowStart, out rowStart);
valid = mapAccessNavigator.NavigateTo(GridDirection.SouthEast, mapRowStart, out mapRowStart);
RenderLine(plotOperation, mapRowStart, rowStart, area.Width, valid, y); // was area.Width
screenNavigator.NavigateTo(GridDirection.SouthWest, rowStart, out rowStart);
valid = mapAccessNavigator.NavigateTo(GridDirection.SouthWest, mapRowStart, out mapRowStart);
}
}
plotOperation.FinishedDrawing();
}
void RotationCacheControl(IPlotOperation c)
{
const string pn = nameof(GameRenderingConfig.RotationSteps);
RenderingConfig.PropertyChanged += (_, a) =>
{
if (a.PropertyName == pn)
{
c.InvalidateAll();
}
};
}
public RenderLayer(IRenderCallback <TRenderTile, TContext> renderer,
IPlotOperation plotOperation)
{
Renderer = renderer ?? throw new ArgumentNullException(nameof(renderer));
PlotOperation = plotOperation ?? throw new ArgumentNullException(nameof(plotOperation));
}
void RenderLine(IPlotOperation plotOperation,
in MapCoordinate rowStart,
public static void CacheControlNoOp(IPlotOperation op)
{
}
