// Draws all legend text (and optional Icon beside) for every MapItem
// Returns the number of items missed off the legend due to size constraints
static int DrawLegend(Font font, Graphics imageGraphic)
{
if (FormMaster.legendItems.Count == 0)
{
return(0);
}
Dictionary <int, string> overridingLegendText = FormMaster.GatherOverriddenLegendTexts();
List <int> drawnGroups = new List <int>();
// Calculate the total height of all legend strings with their plot icons beside, combined
int legendTotalHeight = 0;
foreach (MapItem mapItem in FormMaster.legendItems)
{
// Skip legend groups that are merged/overridden and have already been accounted for
if (drawnGroups.Contains(mapItem.legendGroup) && overridingLegendText.ContainsKey(mapItem.legendGroup))
{
continue;
}
legendTotalHeight += Math.Max(
(int)Math.Ceiling(imageGraphic.MeasureString(mapItem.GetLegendText(false), font, legendBounds).Height),
SettingsPlot.IsIconOrTopographic() ? SettingsPlotIcon.iconSize : 0);
drawnGroups.Add(mapItem.legendGroup);
}
int skippedLegends = 0; // How many legend items did not fit onto the map
// The initial Y coord where first legend item should be written, in order to Y-center the entire legend
int legendCaretHeight = (mapDimension / 2) - (legendTotalHeight / 2);
// Reset the drawn groups list, as we need to iterate over the items again
drawnGroups = new List <int>();
// Loop over every MapItem and draw the legend
foreach (MapItem mapItem in FormMaster.legendItems)
{
// Skip legend groups that are merged/overridden and have already been drawn
if (drawnGroups.Contains(mapItem.legendGroup) && overridingLegendText.ContainsKey(mapItem.legendGroup))
{
continue;
}
// Calculate positions and color for legend text (plus icon)
int fontHeight = (int)Math.Ceiling(imageGraphic.MeasureString(mapItem.GetLegendText(false), font, legendBounds).Height);
PlotIcon icon = mapItem.GetIcon();
Image plotIconImg = SettingsPlot.IsIconOrTopographic() ? icon.GetIconImage() : null;
Color legendColor = SettingsPlot.IsTopographic() ? SettingsPlotTopograph.legendColor : mapItem.GetLegendColor();
Brush textBrush = new SolidBrush(legendColor);
int iconHeight = SettingsPlot.IsIconOrTopographic() ?
plotIconImg.Height :
0;
int legendHeight = Math.Max(fontHeight, iconHeight);
// If the icon is taller than the text, offset the text it so it sits Y-centrally against the icon
int textOffset = 0;
if (iconHeight > fontHeight)
{
textOffset = (iconHeight - fontHeight) / 2;
}
// If the legend text/item fits on the map vertically
if (legendCaretHeight > 0 && legendCaretHeight + legendHeight < mapDimension)
{
if (SettingsPlot.IsIconOrTopographic())
{
imageGraphic.DrawImage(plotIconImg, (float)(legendIconX - (plotIconImg.Width / 2d)), (float)(legendCaretHeight - (plotIconImg.Height / 2d) + (legendHeight / 2d)));
}
imageGraphic.DrawString(mapItem.GetLegendText(false), font, textBrush, new RectangleF(legendXMin, legendCaretHeight + textOffset, legendWidth, legendHeight));
}
else
{
skippedLegends++;
}
drawnGroups.Add(mapItem.legendGroup);
legendCaretHeight += legendHeight; // Move the 'caret' down for the next item, enough to fit the icon and the text
}
GC.Collect();
return(skippedLegends);
}
// Construct the final map by drawing plots over the background layer
public static void Draw()
{
// Reset the current image to the background layer
finalImage = (Image)backgroundLayer.Clone();
Graphics imageGraphic = Graphics.FromImage(finalImage);
imageGraphic.SmoothingMode = SmoothingMode.AntiAlias;
Font font = new Font(fontCollection.Families[0], fontSize, GraphicsUnit.Pixel);
CellScaling cellScaling = null;
// Prepare the game version and watermark to be printed later
string infoText = (SettingsPlot.IsTopographic() ? "Topographic View\n" : string.Empty) + "Game version " + IOManager.GetGameVersion() + "\nMade with Mappalachia - github.com/AHeroicLlama/Mappalachia";
// Additional steps for cell mode (Add further text to watermark text, get cell height boundings)
if (SettingsMap.IsCellModeActive())
{
Cell currentCell = SettingsCell.GetCell();
// Assign the CellScaling property
cellScaling = currentCell.GetScaling();
infoText =
currentCell.displayName + " (" + currentCell.editorID + ")\n" +
"Height distribution: " + SettingsCell.minHeightPerc + "% - " + SettingsCell.maxHeightPerc + "%\n" +
"Scale: 1:" + Math.Round(cellScaling.scale, 2) + "\n\n" +
infoText;
}
// Gather resources for drawing informational watermark text
Brush brushWhite = new SolidBrush(Color.White);
RectangleF infoTextBounds = new RectangleF(plotXMin, 0, mapDimension - plotXMin, mapDimension);
StringFormat stringFormatBottomRight = new StringFormat()
{
Alignment = StringAlignment.Far, LineAlignment = StringAlignment.Far
}; // Align the text bottom-right
StringFormat stringFormatBottomLeft = new StringFormat()
{
Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Far
}; // Align the text bottom-left
// Draws bottom-right info text
imageGraphic.DrawString(infoText, font, brushWhite, infoTextBounds, stringFormatBottomRight);
// Draw a height-color key for Topography mode
if (SettingsPlot.IsTopographic())
{
// Identify the sizing and locations for drawing the height-color-key strings
double numHeightKeys = SettingsPlotTopograph.heightKeyIndicators;
Font topographFont = new Font(fontCollection.Families[0], 62, GraphicsUnit.Pixel);
float singleLineHeight = imageGraphic.MeasureString(SettingsPlotTopograph.heightKeyString, topographFont, new SizeF(infoTextBounds.Width, infoTextBounds.Height)).Height;
// Identify the lower limit to start printing the key so that it ends up centered
double baseHeight = (mapDimension / 2) - (singleLineHeight * (numHeightKeys / 2d));
for (int i = 0; i <= numHeightKeys - 1; i++)
{
Brush brush = new SolidBrush(GetTopographColor(i / (numHeightKeys - 1)));
imageGraphic.DrawString(SettingsPlotTopograph.heightKeyString, topographFont, brush, new RectangleF(plotXMax, 0, mapDimension - plotXMax, (float)(mapDimension - baseHeight)), stringFormatBottomRight);
baseHeight += singleLineHeight;
}
}
// Draw all legend text for every MapItem
int skippedLegends = DrawLegend(font, imageGraphic);
// Adds additional text if some items were missed from legend
if (skippedLegends > 0)
{
string extraLegendText = "+" + skippedLegends + " more item" + (skippedLegends == 1 ? string.Empty : "s") + "...";
imageGraphic.DrawString(extraLegendText, font, brushWhite, infoTextBounds, stringFormatBottomLeft);
}
// Start progress bar off at 0
progressBarMain.Value = progressBarMain.Minimum;
float progress = 0;
// Nothing else to plot - ensure we update for the background layer but then return
if (FormMaster.legendItems.Count == 0)
{
mapFrame.Image = finalImage;
return;
}
// Count how many Map Data Points are due to be mapped
int totalMapDataPoints = 0;
foreach (MapItem mapItem in FormMaster.legendItems)
{
totalMapDataPoints += mapItem.count;
}
// Loop through every MapDataPoint represented by all the MapItems to find the min/max z coord in the dataset
bool first = true;
int zMin = 0;
int zMax = 0;
double zRange = 0;
if (SettingsPlot.IsTopographic())
{
foreach (MapItem mapItem in FormMaster.legendItems)
{
foreach (MapDataPoint point in mapItem.GetPlots())
{
if (first)
{
zMin = point.z - (point.boundZ / 2);
zMax = point.z + (point.boundZ / 2);
first = false;
continue;
}
// Do not contribute outlier values to the min/max range - this ensures they have the same
// color as the min/max *legitimate* item and they do not skew the color ranges
if (point.z > SettingsPlotTopograph.zThreshUpper || point.z < SettingsPlotTopograph.zThreshLower)
{
continue;
}
if (point.z - (point.boundZ / 2) < zMin)
{
zMin = point.z - (point.boundZ / 2);
}
if (point.z + (point.boundZ / 2) > zMax)
{
zMax = point.z + (point.boundZ / 2);
}
}
}
zRange = Math.Abs(zMax - zMin);
if (zRange == 0)
{
zRange = 1;
}
}
if (SettingsPlot.IsIconOrTopographic())
{
if (SettingsPlot.IsTopographic())
{
// Somehow this line prevents a memory leak
// Without it, if drawing a large topographic map on first map draw, GC will not collect the multiple PlotIcon elements used in topographic drawing.
Application.DoEvents();
}
// Processing each MapItem in serial, draw plots for every matching valid MapDataPoint
foreach (MapItem mapItem in FormMaster.legendItems)
{
// Generate a Plot Icon and colours/brushes to be used for all instances of the MapItem
PlotIcon plotIcon = mapItem.GetIcon();
Image plotIconImg = SettingsPlot.IsIcon() ? plotIcon.GetIconImage() : null; // Icon mode has icon per MapItem, Topography needs icons per MapDataPoint and will be generated later
Color volumeColor = Color.FromArgb(volumeOpacity, plotIcon.color);
Brush volumeBrush = new SolidBrush(volumeColor);
// Iterate over every data point and draw it
foreach (MapDataPoint point in mapItem.GetPlots())
{
// Override colors in Topographic mode
if (SettingsPlot.IsTopographic())
{
// Clamp the z values to the percieved outlier threshold
double z = point.z + (point.boundZ / 2);
z = Math.Max(Math.Min(z, SettingsPlotTopograph.zThreshUpper), SettingsPlotTopograph.zThreshLower);
// Normalize the height of this item between the min/max z of the whole set
double colorValue = (z - zMin) / zRange;
// Override the plot icon color
plotIcon.color = GetTopographColor(colorValue);
plotIconImg = plotIcon.GetIconImage(); // Generate a new icon with a unique color for this height color
// Apply the color to volume plotting too
volumeColor = Color.FromArgb(volumeOpacity, plotIcon.color);
volumeBrush = new SolidBrush(volumeColor);
}
if (SettingsMap.IsCellModeActive())
{
// If this coordinate exceeds the user-selected cell mapping height bounds, skip it
// (Also accounts for the z-height of volumes)
if (point.z + (point.boundZ / 2d) < SettingsCell.GetMinHeightCoordBound() || point.z - (point.boundZ / 2d) > SettingsCell.GetMaxHeightCoordBound())
{
continue;
}
point.x += cellScaling.xOffset;
point.y += cellScaling.yOffset;
// Multiply the coordinates by the scaling, but multiply around 0,0
point.x = ((point.x - (mapDimension / 2)) * cellScaling.scale) + (mapDimension / 2);
point.y = ((point.y - (mapDimension / 2)) * cellScaling.scale) + (mapDimension / 2);
point.boundX *= cellScaling.scale;
point.boundY *= cellScaling.scale;
}
else // Skip the point if its origin is outside the surface world
if (point.x < plotXMin || point.x >= plotXMax || point.y < plotYMin || point.y >= plotYMax)
{
continue;
}
// If this meets all the criteria to be suitable to be drawn as a volume
if (point.primitiveShape != string.Empty && // This is a primitive shape at all
SettingsPlot.drawVolumes && // Volume drawing is enabled
point.boundX >= minVolumeDimension && point.boundY >= minVolumeDimension) // This is large enough to be visible if drawn as a volume
{
Image volumeImage = new Bitmap((int)point.boundX, (int)point.boundY);
Graphics volumeGraphic = Graphics.FromImage(volumeImage);
volumeGraphic.SmoothingMode = SmoothingMode.AntiAlias;
switch (point.primitiveShape)
{
case "Box":
case "Line":
case "Plane":
volumeGraphic.FillRectangle(volumeBrush, new Rectangle(0, 0, (int)point.boundX, (int)point.boundY));
break;
case "Sphere":
case "Ellipsoid":
volumeGraphic.FillEllipse(volumeBrush, new Rectangle(0, 0, (int)point.boundX, (int)point.boundY));
break;
default:
continue; // If we reach this, we dropped the drawing of a volume. Verify we've covered all shapes via the database summary.txt
}
volumeImage = ImageTools.RotateImage(volumeImage, point.rotationZ);
imageGraphic.DrawImage(volumeImage, (float)(point.x - (volumeImage.Width / 2)), (float)(point.y - (volumeImage.Height / 2)));
}
// This MapDataPoint is not suitable to be drawn as a volume - draw a normal plot icon, or topographic plot
else
{
imageGraphic.DrawImage(plotIconImg, (float)(point.x - (plotIconImg.Width / 2d)), (float)(point.y - (plotIconImg.Height / 2d)));
}
}
// Increment the progress bar per MapItem
progress += mapItem.count;
progressBarMain.Value = (int)((progress / totalMapDataPoints) * progressBarMain.Maximum);
Application.DoEvents();
}
}
else if (SettingsPlot.IsHeatmap())
{
int resolution = SettingsPlotHeatmap.resolution;
int blendRange = SettingsPlotHeatmap.blendDistance;
// Create a 2D Array of HeatMapGridSquare
HeatMapGridSquare[,] squares = new HeatMapGridSquare[resolution, resolution];
for (int x = 0; x < resolution; x++)
{
for (int y = 0; y < resolution; y++)
{
squares[x, y] = new HeatMapGridSquare();
}
}
int pixelsPerSquare = mapDimension / resolution;
foreach (MapItem mapItem in FormMaster.legendItems)
{
int heatmapLegendGroup = SettingsPlotHeatmap.IsDuo() ? mapItem.legendGroup % 2 : 0;
foreach (MapDataPoint point in mapItem.GetPlots())
{
if (SettingsMap.IsCellModeActive())
{
point.x += cellScaling.xOffset;
point.y += cellScaling.yOffset;
point.x = ((point.x - (mapDimension / 2)) * cellScaling.scale) + (mapDimension / 2);
point.y = ((point.y - (mapDimension / 2)) * cellScaling.scale) + (mapDimension / 2);
}
// Identify which grid square this MapDataPoint falls within
int squareX = (int)Math.Floor(point.x / pixelsPerSquare);
int squareY = (int)Math.Floor(point.y / pixelsPerSquare);
// Loop over every grid square within range, and increment by the weight proportional to the distance
for (int x = squareX - blendRange; x < squareX + blendRange; x++)
{
for (int y = squareY - blendRange; y < squareY + blendRange; y++)
{
// Don't try to target squares which would lay outside of the grid
if (x < 0 || x >= resolution || y < 0 || y >= resolution)
{
continue;
}
// Pythagoras on the x and y dist gives us the 'as the crow flies' distance between the squares
double distance = Pythagoras(squareX - x, squareY - y);
// Weight and hence brightness is modified by 1/x^2 + 1 where x is the distance from actual item
double additionalWeight = point.weight * (1d / ((distance * distance) + 1));
squares[x, y].weights[heatmapLegendGroup] += additionalWeight;
}
}
}
// Increment the progress bar per MapItem
progress += mapItem.count;
progressBarMain.Value = (int)((progress / totalMapDataPoints) * progressBarMain.Maximum);
Application.DoEvents();
}
// Find the largest weight value of all squares
double largestWeight = 0;
for (int x = 0; x < resolution; x++)
{
for (int y = 0; y < resolution; y++)
{
double weight = squares[x, y].GetTotalWeight();
if (weight > largestWeight)
{
largestWeight = weight;
}
}
}
// Finally now weights are calculated, draw a square for every HeatGripMapSquare in the array
for (int x = 0; x < resolution; x++)
{
int xCoord = x * pixelsPerSquare;
// Don't draw grid squares which are entirely within the legend text area
if (xCoord + pixelsPerSquare < plotXMin)
{
continue;
}
for (int y = 0; y < resolution; y++)
{
int yCoord = y * pixelsPerSquare;
Color color = squares[x, y].GetColor(largestWeight);
Brush brush = new SolidBrush(color);
Rectangle heatMapSquare = new Rectangle(xCoord, yCoord, mapDimension / SettingsPlotHeatmap.resolution, mapDimension / SettingsPlotHeatmap.resolution);
imageGraphic.FillRectangle(brush, heatMapSquare);
}
}
}
mapFrame.Image = finalImage;
}