fCraft.FloatingIslandMapGenState.PlantGiantTrees C# (CSharp) Method

        void PlantGiantTrees() {
            if( genParams.GiantTreeDensity <= 0 ) return;
            Map outMap = new Map( null, map.Width, map.Length, map.Height, false ) {
                Blocks = (byte[])map.Blocks.Clone()
            };
            int plantableBlocks = ComputeSurfaceCoverage( Block.Grass );
            var foresterArgs = new ForesterArgs {
                Map = map,
                Rand = rand,
                TreeCount = (int)(plantableBlocks*genParams.GiantTreeDensity/BaseGiantTreeDensity),
                Operation = Forester.ForesterOperation.Add,
                PlantOn = Block.Grass
            };
            foresterArgs.BlockPlacing += ( sender, e ) => outMap.SetBlock( e.Coordinate, e.Block );
            Forester.Generate( foresterArgs );
            map = outMap;
        }