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shroud-based scissor. eliminates a lot of shroud render

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This commit is contained in:
Chris Forbes
2010-02-01 20:22:17 +13:00
parent 6ea1745094
commit d3c5f56d52
4 changed files with 55 additions and 7 deletions
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10
OpenRa.Game/Graphics/TerrainRenderer.cs
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@@ -66,6 +66,16 @@ namespace OpenRa.Graphics
if (firstRow < 0) firstRow = 0;
if (lastRow > map.Height) lastRow = map.Height;
if (!Game.world.LocalPlayer.Shroud.HasGPS && Game.world.LocalPlayer.Shroud.bounds.HasValue)
{
var r = Game.world.LocalPlayer.Shroud.bounds.Value;
if (firstRow < r.Top - map.YOffset)
firstRow = r.Top - map.YOffset;
if (firstRow > r.Bottom - map.YOffset)
firstRow = r.Bottom - map.YOffset;
}
renderer.SpriteShader.Quality = ShaderQuality.Low;
renderer.SpriteShader.Render(() =>
renderer.DrawBatch(vertexBuffer, indexBuffer,

18
OpenRa.Game/Graphics/WorldRenderer.cs
View File

@@ -2,6 +2,7 @@ using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using OpenRa.Traits;
using System;
namespace OpenRa.Graphics
{
@@ -59,6 +60,23 @@ namespace OpenRa.Graphics
public void Draw()
{
if (!world.LocalPlayer.Shroud.HasGPS && world.LocalPlayer.Shroud.bounds.HasValue)
{
var r = world.LocalPlayer.Shroud.bounds.Value;
var left = (int)(Game.CellSize * r.Left - Game.viewport.Location.X);
var top = (int)(Game.CellSize * r.Top - Game.viewport.Location.Y);
var right = left + (int)(Game.CellSize * r.Width);
var bottom = top + (int)(Game.CellSize * r.Height);
if (left < 0) left = 0;
if (top < 0) top = 0;
if (right > Game.viewport.Width) right = Game.viewport.Width;
if (bottom > Game.viewport.Height) bottom = Game.viewport.Height;
renderer.Device.EnableScissor(left, top, right - left, bottom - top);
}
terrainRenderer.Draw(Game.viewport);
var comparer = new SpriteComparer();