private void ResetTextures()
{
bool hadReset = false;
for (int i = 0; i < textureDatas.Count; i++)
{
var textureData = textureDatas[i];
if (textureData.textureChanged)
{
var graphics = textureData.active.NewGraphics2D();
graphics.Render(textureData.source, 0, 0);
textureData.textureChanged = false;
hadReset = true;
}
}
if (hadReset)
{
Invalidate();
}
lastHitData = new HitData();
}
private (Vector3 normal, Vector3 up) GetDirectionForFace(HitData hitData)
{
var up = Vector3.Zero;
var normal = Vector3.Zero;
var count = 0;
for (int i = 0; i < 3; i++)
{
count++;
int faceIndex = hitData.FaceIndex[i];
switch (faceIndex)
{
case -1:
count--;
break;
case 0:
// top
normal += -Vector3.UnitZ;
if (count == 1)
{
up = (hitData.TileIndex[0] == 4) ? Vector3.UnitY : Vector3.UnitZ;
}
break;
case 1:
// Left
normal += Vector3.UnitX;
if (count == 1)
{
up = Vector3.UnitZ;
}
break;
case 2:
// Right
normal += -Vector3.UnitX;
if (count == 1)
{
up = Vector3.UnitZ;
}
break;
case 3:
// Bottom
normal += Vector3.UnitZ;
if (count == 1)
{
up = -Vector3.UnitY;
}
break;
case 4:
// Back
normal += -Vector3.UnitY;
if (count == 1)
{
up = Vector3.UnitZ;
}
break;
case 5:
// Front
normal += Vector3.UnitY;
if (count == 1)
{
up = Vector3.UnitZ;
}
break;
}
}
return(normal / count, up);
}
private void DrawMouseHover(HitData hitData)
{
if (!lastHitData.Equals(hitData))
{
ResetTextures();
lastHitData = hitData;
for (int i = 0; i < 3; i++)
{
var faceIndex = hitData.FaceIndex[i];
var tileIndex = hitData.TileIndex[i];
if (faceIndex == -1)
{
// done rendering faces
break;
}
var hitTexture = textureDatas[faceIndex];
var hitGraphics = hitTexture.active.NewGraphics2D();
switch (tileIndex)
{
case 0: // top
hitGraphics.FillRectangle(0,
0,
hitTexture.source.Width / 4,
hitTexture.source.Height / 4,
theme.AccentMimimalOverlay);
break;
case 1:
hitGraphics.FillRectangle(hitTexture.source.Width / 4 * 1,
hitTexture.source.Height / 4 * 0,
hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 1,
theme.AccentMimimalOverlay);
break;
case 2:
hitGraphics.FillRectangle(hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 0,
hitTexture.source.Width / 4 * 4,
hitTexture.source.Height / 4 * 1,
theme.AccentMimimalOverlay);
break;
case 3:
hitGraphics.FillRectangle(0,
hitTexture.source.Height / 4,
hitTexture.source.Width / 4,
hitTexture.source.Height / 4 * 3,
theme.AccentMimimalOverlay);
break;
case 4:
hitGraphics.FillRectangle(hitTexture.source.Width / 4,
hitTexture.source.Height / 4,
hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 3,
theme.AccentMimimalOverlay);
break;
case 5:
hitGraphics.FillRectangle(hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 1,
hitTexture.source.Width / 4 * 4,
hitTexture.source.Height / 4 * 3,
theme.AccentMimimalOverlay);
break;
case 6:
hitGraphics.FillRectangle(0,
hitTexture.source.Height / 4 * 3,
hitTexture.source.Width / 4,
hitTexture.source.Height,
theme.AccentMimimalOverlay);
break;
case 7:
hitGraphics.FillRectangle(hitTexture.source.Width / 4 * 1,
hitTexture.source.Height / 4 * 3,
hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 4,
theme.AccentMimimalOverlay);
break;
case 8:
hitGraphics.FillRectangle(hitTexture.source.Width / 4 * 3,
hitTexture.source.Height / 4 * 3,
hitTexture.source.Width / 4 * 4,
hitTexture.source.Height / 4 * 4,
theme.AccentMimimalOverlay);
break;
}
hitTexture.textureChanged = true;
}
Invalidate();
}
}
