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Introduce IFinalizedRenderable.ScreenBounds.

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This commit is contained in:
Paul Chote
2015-02-10 14:26:44 +00:00
parent c55d723fb4
commit db1a27b071
11 changed files with 60 additions and 0 deletions
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1
OpenRA.Mods.Common/Graphics/BeamRenderable.cs
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@@ -54,5 +54,6 @@ namespace OpenRA.Mods.Common.Graphics
}
public void RenderDebugGeometry(WorldRenderer wr) { }
public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
}
}

1
OpenRA.Mods.Common/Graphics/ContrailRenderable.cs
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@@ -86,6 +86,7 @@ namespace OpenRA.Mods.Common.Graphics
}
public void RenderDebugGeometry(WorldRenderer wr) { }
public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
// Array index modulo length
int Index(int i)

1
OpenRA.Mods.Common/Graphics/RangeCircleRenderable.cs
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@@ -53,5 +53,6 @@ namespace OpenRA.Mods.Common.Graphics
}
public void RenderDebugGeometry(WorldRenderer wr) { }
public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
}
}

2
OpenRA.Mods.Common/Graphics/TextRenderable.cs
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@@ -55,5 +55,7 @@ namespace OpenRA.Mods.Common.Graphics
var offset = wr.ScreenPxPosition(pos) - 0.5f * size;
Game.Renderer.WorldLineRenderer.DrawRect(offset, offset + size, Color.Red);
}
public Rectangle ScreenBounds(WorldRenderer wr) { return Rectangle.Empty; }
}
}

36
OpenRA.Mods.Common/Graphics/VoxelRenderable.cs
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@@ -8,6 +8,7 @@
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
@@ -185,6 +186,41 @@ namespace OpenRA.Mods.Common.Graphics
Game.Renderer.WorldLineRenderer.DrawLine(corners[2], corners[6], c, c);
Game.Renderer.WorldLineRenderer.DrawLine(corners[3], corners[7], c, c);
}
public Rectangle ScreenBounds(WorldRenderer wr)
{
var pxOrigin = wr.ScreenPosition(voxel.pos);
var draw = voxel.voxels.Where(v => v.DisableFunc == null || !v.DisableFunc());
var scaleTransform = Util.ScaleMatrix(voxel.scale, voxel.scale, voxel.scale);
var cameraTransform = Util.MakeFloatMatrix(voxel.camera.AsMatrix());
var minX = float.MaxValue;
var minY = float.MaxValue;
var maxX = float.MinValue;
var maxY = float.MinValue;
foreach (var v in draw)
{
var bounds = v.Voxel.Bounds(v.FrameFunc());
var worldTransform = v.RotationFunc().Reverse().Aggregate(scaleTransform,
(x, y) => Util.MatrixMultiply(x, Util.MakeFloatMatrix(y.AsMatrix())));
var pxOffset = wr.ScreenVector(v.OffsetFunc());
var pxPos = pxOrigin + new float2(pxOffset[0], pxOffset[1]);
var screenTransform = Util.MatrixMultiply(cameraTransform, worldTransform);
for (var i = 0; i < 8; i++)
{
var vec = new float[] { bounds[CornerXIndex[i]], bounds[CornerYIndex[i]], bounds[CornerZIndex[i]], 1 };
var screen = Util.MatrixVectorMultiply(screenTransform, vec);
minX = Math.Min(minX, pxPos.X + screen[0]);
minY = Math.Min(minY, pxPos.Y + screen[1]);
maxX = Math.Max(maxX, pxPos.X + screen[0]);
maxY = Math.Max(maxY, pxPos.Y + screen[1]);
}
}
return Rectangle.FromLTRB((int)minX, (int)minY, (int)maxX, (int)maxY);
}
}
}
}