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Fix for possible error with mirrored texture drawing

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This commit is contained in:
Flamefire committed 2014-09-22 15:55:48 +02:00
1 parent f5f1a91481
commit 016b7627d1
1 file changed
+15 -49
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Vocaluxe/Lib/Draw/COpenGL.cs
+15 -49
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@@ -457,7 +457,7 @@ namespace Vocaluxe.Lib.Draw
const float x1 = 0;
float x2 = texture.WidthRatio;
const float y1 = 0;
float y1 = 0;
float y2 = texture.HeightRatio;
float rx1 = rect.X;
@@ -480,9 +480,9 @@ namespace Vocaluxe.Lib.Draw
if (mirrored)
{
float tmp = ry2;
ry2 = ry1;
ry1 = tmp;
float tmp = y2;
y2 = y1;
y1 = tmp;
}
GL.Begin(BeginMode.Quads);
@@ -575,9 +575,9 @@ namespace Vocaluxe.Lib.Draw
if (mirrored)
{
float tmp = ry2;
ry2 = ry1;
ry1 = tmp;
float tmp = y2;
y2 = y1;
y1 = tmp;
}
GL.Begin(BeginMode.Quads);
@@ -630,48 +630,28 @@ namespace Vocaluxe.Lib.Draw
GL.End();
GL.Disable(EnableCap.Blend);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public void DrawTextureReflection(CTextureRef textureRef, SRectF rect, SColorF color, SRectF bounds, float space, float height)
public void DrawTextureReflection(CTextureRef textureRef, SRectF rect, SColorF color, float space, float height)
{
COGLTexture texture;
if (!_GetTexture(textureRef, out texture))
return;
if (Math.Abs(rect.W) < float.Epsilon || Math.Abs(rect.H) < float.Epsilon || Math.Abs(bounds.H) < float.Epsilon || Math.Abs(bounds.W) < float.Epsilon ||
Math.Abs(color.A) < float.Epsilon || height <= float.Epsilon)
if (Math.Abs(rect.W) < float.Epsilon || Math.Abs(rect.H) < float.Epsilon || Math.Abs(color.A) < float.Epsilon || height <= float.Epsilon)
return;
if (bounds.X > rect.X + rect.W || bounds.X + bounds.W < rect.X)
return;
if (bounds.Y > rect.Y + rect.H || bounds.Y + bounds.H < rect.Y)
return;
if (height > bounds.H)
height = bounds.H;
if (height > rect.H)
height = rect.H;
GL.BindTexture(TextureTarget.Texture2D, texture.Name);
float x1 = (bounds.X - rect.X) / rect.W * texture.WidthRatio;
float x2 = (bounds.X + bounds.W - rect.X) / rect.W * texture.WidthRatio;
float y1 = (bounds.Y - rect.Y + rect.H - height) / rect.H * texture.HeightRatio;
float y2 = (bounds.Y + bounds.H - rect.Y) / rect.H * texture.HeightRatio;
if (x1 < 0)
x1 = 0f;
if (x2 > texture.WidthRatio)
x2 = texture.WidthRatio;
if (y1 < 0)
y1 = 0f;
if (y2 > texture.HeightRatio)
y2 = texture.HeightRatio;
const float x1 = 0;
float x2 = texture.WidthRatio;
float y1 = (rect.H - height) / rect.H * texture.HeightRatio;
float y2 = texture.HeightRatio;
float rx1 = rect.X;
@@ -679,18 +659,6 @@ namespace Vocaluxe.Lib.Draw
float ry1 = rect.Y + rect.H + space;
float ry2 = rect.Y + rect.H + space + height;
if (rx1 < bounds.X)
rx1 = bounds.X;
if (rx2 > bounds.X + bounds.W)
rx2 = bounds.X + bounds.W;
if (ry1 < bounds.Y + space)
ry1 = bounds.Y + space;
if (ry2 > bounds.Y + bounds.H + space + height)
ry2 = bounds.Y + bounds.H + space + height;
GL.Enable(EnableCap.Blend);
GL.MatrixMode(MatrixMode.Texture);
@@ -703,7 +671,6 @@ namespace Vocaluxe.Lib.Draw
GL.Translate(-0.5f, -0.5f, 0);
}
GL.Begin(BeginMode.Quads);
GL.Color4(color.R, color.G, color.B, color.A * CGraphics.GlobalAlpha);
@@ -724,7 +691,6 @@ namespace Vocaluxe.Lib.Draw
GL.End();
GL.PopMatrix();
GL.Disable(EnableCap.Blend);