Files
OpenRA/OpenRa.Game/Graphics/WorldRenderer.cs

102 lines
3.5 KiB
C#

using System.Drawing;
using System.Windows.Forms;
namespace OpenRa.Game.Graphics
{
class WorldRenderer
{
public readonly SpriteRenderer spriteRenderer;
public readonly LineRenderer lineRenderer;
public readonly World world;
public readonly Region region;
public readonly UiOverlay uiOverlay;
public WorldRenderer(Renderer renderer, World world)
{
// TODO: this is layout policy. it belongs at a higher level than this.
region = Region.Create(world.game.viewport, DockStyle.Left,
world.game.viewport.Width - 128, Draw,
world.game.controller.HandleMouseInput);
world.game.viewport.AddRegion(region);
spriteRenderer = new SpriteRenderer(renderer, true);
lineRenderer = new LineRenderer(renderer);
uiOverlay = new UiOverlay(spriteRenderer, world.game);
this.world = world;
}
public void Draw()
{
var rect = new RectangleF((region.Position + world.game.viewport.Location).ToPointF(),
region.Size.ToSizeF());
foreach (Actor a in world.Actors)
{
var images = a.CurrentImages;
foreach( var image in images )
{
var loc = image.Second;
if( loc.X > rect.Right || loc.X < rect.Left - image.First.bounds.Width )
continue;
if( loc.Y > rect.Bottom || loc.Y < rect.Top - image.First.bounds.Height )
continue;
spriteRenderer.DrawSprite( image.First, loc, ( a.owner != null ) ? a.owner.Palette : 0 );
}
}
uiOverlay.Draw();
spriteRenderer.Flush();
var selbox = world.game.controller.SelectionBox();
if (selbox != null)
{
var a = selbox.Value.First;
var b = new float2(selbox.Value.Second.X - a.X, 0);
var c = new float2(0, selbox.Value.Second.Y - a.Y);
lineRenderer.DrawLine(a, a + b, Color.White, Color.White);
lineRenderer.DrawLine(a + b, a + b + c, Color.White, Color.White);
lineRenderer.DrawLine(a + b + c, a + c, Color.White, Color.White);
lineRenderer.DrawLine(a, a + c, Color.White, Color.White);
foreach (var u in Controller.FindUnits(world.game, selbox.Value.First, selbox.Value.Second))
DrawSelectionBox(u, Color.Yellow);
}
var selectedUnit = world.game.controller.orderGenerator as Unit;
if (selectedUnit != null)
DrawSelectionBox(selectedUnit, Color.White);
lineRenderer.Flush();
}
void DrawSelectionBox(Unit selectedUnit, Color c)
{
var center = selectedUnit.CenterLocation;
var size = selectedUnit.SelectedSize;
var xy = center - 0.5f * size;
var XY = center + 0.5f * size;
var Xy = new float2(XY.X, xy.Y);
var xY = new float2(xy.X, XY.Y);
lineRenderer.DrawLine(xy, xy + new float2(4, 0), c, c);
lineRenderer.DrawLine(xy, xy + new float2(0, 4), c, c);
lineRenderer.DrawLine(Xy, Xy + new float2(-4, 0), c, c);
lineRenderer.DrawLine(Xy, Xy + new float2(0, 4), c, c);
lineRenderer.DrawLine(xY, xY + new float2(4, 0), c, c);
lineRenderer.DrawLine(xY, xY + new float2(0, -4), c, c);
lineRenderer.DrawLine(XY, XY + new float2(-4, 0), c, c);
lineRenderer.DrawLine(XY, XY + new float2(0, -4), c, c);
}
}
}