int RemoveResource(string resourceType, CPos cell, int amount = 1)
{
if (!Content.Contains(cell))
{
return(0);
}
var content = Content[cell];
if (content.Type == null || content.Type != resourceType)
{
return(0);
}
var oldDensity = content.Density;
var density = Math.Max(0, oldDensity - amount);
if (density == 0)
{
Content[cell] = ResourceLayerContents.Empty;
Map.CustomTerrain[cell] = byte.MaxValue;
--resCells;
CellChanged?.Invoke(cell, null);
}
else
{
Content[cell] = new ResourceLayerContents(content.Type, density);
CellChanged?.Invoke(cell, content.Type);
}
return(oldDensity - density);
}
int AddResource(string resourceType, CPos cell, int amount = 1)
{
if (!Content.Contains(cell))
{
return(0);
}
if (resourceType == null || !info.ResourceTypes.TryGetValue(resourceType, out var resourceInfo))
{
return(0);
}
var content = Content[cell];
if (content.Type == null)
{
content = CreateResourceCell(resourceType, cell, 0);
}
if (content.Type != resourceType)
{
return(0);
}
var oldDensity = content.Density;
var density = Math.Min(resourceInfo.MaxDensity, oldDensity + amount);
Content[cell] = new ResourceLayerContents(content.Type, density);
CellChanged?.Invoke(cell, content.Type);
return(density - oldDensity);
}
public void UpdateCell(CPos cell)
{
var uv = cell.ToMPos(Map);
if (!Map.Resources.Contains(uv))
{
return;
}
var tile = Map.Resources[uv];
var t = Tiles[uv];
var newTile = ResourceLayerContents.Empty;
var newTerrain = byte.MaxValue;
if (Resources.TryGetValue(tile.Type, out var type))
{
newTile = new ResourceLayerContents
{
Type = type,
Density = CalculateCellDensity(type, cell)
};
newTerrain = Map.Rules.TerrainInfo.GetTerrainIndex(type.Info.TerrainType);
}
// Nothing has changed
if (newTile.Type == t.Type && newTile.Density == t.Density)
{
return;
}
UpdateNetWorth(t.Type, t.Density, newTile.Type, newTile.Density);
Tiles[uv] = newTile;
Map.CustomTerrain[uv] = newTerrain;
CellChanged?.Invoke(cell, type);
// Neighbouring cell density depends on this cell
foreach (var d in CVec.Directions)
{
var neighbouringCell = cell + d;
if (!Tiles.Contains(neighbouringCell))
{
continue;
}
var neighbouringTile = Tiles[neighbouringCell];
var density = CalculateCellDensity(neighbouringTile.Type, neighbouringCell);
if (neighbouringTile.Density == density)
{
continue;
}
UpdateNetWorth(neighbouringTile.Type, neighbouringTile.Density, neighbouringTile.Type, density);
neighbouringTile.Density = density;
Tiles[neighbouringCell] = neighbouringTile;
CellChanged?.Invoke(neighbouringCell, type);
}
}
protected RendererCellContents CreateRenderCellContents(WorldRenderer wr, ResourceLayerContents contents, CPos cell)
{
if (contents.Type != null && contents.Density > 0 && Info.ResourceTypes.TryGetValue(contents.Type, out var resourceInfo))
{
return(new RendererCellContents(contents.Type, contents.Density, resourceInfo, ChooseVariant(contents.Type, cell), wr.Palette(resourceInfo.Palette)));
}
return(RendererCellContents.Empty);
}
protected virtual void WorldLoaded(World w, WorldRenderer wr)
{
foreach (var cell in w.Map.AllCells)
{
var resource = world.Map.Resources[cell];
if (!ResourceTypesByIndex.TryGetValue(resource.Type, out var resourceType))
{
continue;
}
if (!AllowResourceAt(resourceType, cell))
{
continue;
}
Content[cell] = CreateResourceCell(resourceType, cell, resource.Index);
}
if (!info.RecalculateResourceDensity)
{
return;
}
// Set initial density based on the number of neighboring resources
foreach (var cell in w.Map.AllCells)
{
var resource = Content[cell];
if (resource.Type == null || !info.ResourceTypes.TryGetValue(resource.Type, out var resourceInfo))
{
continue;
}
var adjacent = 0;
var directions = CVec.Directions;
for (var i = 0; i < directions.Length; i++)
{
var c = cell + directions[i];
if (Content.Contains(c) && Content[c].Type == resource.Type)
{
++adjacent;
}
}
// Adjacent includes the current cell, so is always >= 1
var density = Math.Max(int2.Lerp(0, resourceInfo.MaxDensity, adjacent, 9), 1);
Content[cell] = new ResourceLayerContents(resource.Type, density);
}
}