Specify sprite positions as center pos + offset. Fixes #3611.

This commit is contained in:
Paul Chote
2013-08-01 21:10:33 +12:00
parent 8f5a1333d2
commit cdef41adb4
5 changed files with 34 additions and 18 deletions

View File

@@ -38,20 +38,20 @@ namespace OpenRA.Graphics
int CurrentFrame { get { return backwards ? CurrentSequence.Start + CurrentSequence.Length - frame - 1 : frame; } }
public Sprite Image { get { return CurrentSequence.GetSprite(CurrentFrame, facingFunc()); } }
public IEnumerable<IRenderable> Render(WPos pos, int zOffset, PaletteReference palette, float scale)
public IEnumerable<IRenderable> Render(WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale)
{
if (CurrentSequence.ShadowStart >= 0)
{
var shadow = CurrentSequence.GetShadow(CurrentFrame, facingFunc());
yield return new SpriteRenderable(shadow, pos, CurrentSequence.ShadowZOffset + zOffset, palette, scale);
yield return new SpriteRenderable(shadow, pos, offset, CurrentSequence.ShadowZOffset + zOffset, palette, scale);
}
yield return new SpriteRenderable(Image, pos, CurrentSequence.ZOffset + zOffset, palette, scale);
yield return new SpriteRenderable(Image, pos, offset, CurrentSequence.ZOffset + zOffset, palette, scale);
}
public IEnumerable<IRenderable> Render(WPos pos, PaletteReference palette)
{
return Render(pos, 0, palette, 1f);
return Render(pos, WVec.Zero, 0, palette, 1f);
}
public void Play(string sequenceName)

View File

@@ -37,12 +37,11 @@ namespace OpenRA.Graphics
public IEnumerable<IRenderable> Render(Actor self, WorldRenderer wr, PaletteReference pal, float scale)
{
var p = self.CenterPosition;
if (OffsetFunc != null)
p += OffsetFunc();
var center = self.CenterPosition;
var offset = OffsetFunc != null ? OffsetFunc() : WVec.Zero;
var z = (ZOffset != null) ? ZOffset(p) : 0;
return Animation.Render(p, z, pal, scale);
var z = (ZOffset != null) ? ZOffset(center + offset) : 0;
return Animation.Render(center, offset, z, pal, scale);
}
public static implicit operator AnimationWithOffset(Animation a)

View File

@@ -52,42 +52,52 @@ namespace OpenRA.Graphics
readonly Sprite sprite;
readonly WPos pos;
readonly WVec offset;
readonly int zOffset;
readonly PaletteReference palette;
readonly float scale;
public SpriteRenderable(Sprite sprite, WPos pos, int zOffset, PaletteReference palette, float scale)
public SpriteRenderable(Sprite sprite, WPos pos, WVec offset, int zOffset, PaletteReference palette, float scale)
{
this.sprite = sprite;
this.pos = pos;
this.offset = offset;
this.zOffset = zOffset;
this.palette = palette;
this.scale = scale;
}
public SpriteRenderable(Sprite sprite, WPos pos, int zOffset, PaletteReference palette, float scale)
: this(sprite, pos, WVec.Zero, zOffset, palette, scale) { }
// Provided for legacy support only - Don't use for new things!
public SpriteRenderable(Sprite sprite, float2 pos, PaletteReference palette, int z)
: this(sprite, new PPos((int)pos.X, (int)pos.Y).ToWPos(0), z, palette, 1f) { }
public WPos Pos { get { return pos; } }
public WPos Pos { get { return pos + offset; } }
public float Scale { get { return scale; } }
public PaletteReference Palette { get { return palette; } }
public int ZOffset { get { return zOffset; } }
public IRenderable WithScale(float newScale) { return new SpriteRenderable(sprite, pos, zOffset, palette, newScale); }
public IRenderable WithPalette(PaletteReference newPalette) { return new SpriteRenderable(sprite, pos, zOffset, newPalette, scale); }
public IRenderable WithZOffset(int newOffset) { return new SpriteRenderable(sprite, pos, newOffset, palette, scale); }
public IRenderable WithPos(WPos pos) { return new SpriteRenderable(sprite, pos, zOffset, palette, scale); }
public IRenderable WithScale(float newScale) { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, newScale); }
public IRenderable WithPalette(PaletteReference newPalette) { return new SpriteRenderable(sprite, pos, offset, zOffset, newPalette, scale); }
public IRenderable WithZOffset(int newOffset) { return new SpriteRenderable(sprite, pos, offset, newOffset, palette, scale); }
public IRenderable WithPos(WPos pos) { return new SpriteRenderable(sprite, pos, offset, zOffset, palette, scale); }
float2 ScreenPosition(WorldRenderer wr)
{
return wr.ScreenPxPosition(pos) + wr.ScreenPxOffset(offset) - (0.5f*scale*sprite.size).ToInt2();
}
public void BeforeRender(WorldRenderer wr) {}
public void Render(WorldRenderer wr)
{
sprite.DrawAt(wr.ScreenPxPosition(pos) - (0.5f*scale*sprite.size).ToInt2(), palette, scale);
sprite.DrawAt(ScreenPosition(wr), palette, scale);
}
public void RenderDebugGeometry(WorldRenderer wr)
{
var offset = wr.ScreenPxPosition(pos) - 0.5f*scale*sprite.size + sprite.offset;
var offset = ScreenPosition(wr) + sprite.offset;
Game.Renderer.WorldLineRenderer.DrawRect(offset, offset + sprite.size, Color.Red);
}
}

View File

@@ -245,6 +245,13 @@ namespace OpenRA.Graphics
return new float[] {c*vec.X, c*vec.Y, c*vec.Z, 1};
}
public int2 ScreenPxOffset(WVec vec)
{
// Round to nearest pixel
var px = ScreenVector(vec);
return new int2((int)Math.Round(px[0]), (int)Math.Round(px[1] - px[2]));
}
public float ScreenZPosition(WPos pos, int zOffset) { return (pos.Y + pos.Z + zOffset)*Game.CellSize/1024f; }
}
}

View File

@@ -76,7 +76,7 @@ namespace OpenRA.Mods.RA.Effects
yield return c.WithPos(pos);
}
foreach (var r in paraAnim.Render(pos + parachuteOffset, 1, rc.First().Palette, 1f))
foreach (var r in paraAnim.Render(pos, parachuteOffset, 1, rc.First().Palette, 1f))
yield return r;
}
}