/// <summary>Validates if the materials are correct on this <see cref="RealtimeCSG.Legacy.Shape"/>, and fixes them if they are not.</summary>
/// <returns>*true* if the shape has been modified, *false* if nothing changed</returns>
public bool CheckMaterials()
{
bool dirty = false;
if (Surfaces == null ||
Surfaces.Length == 0)
{
Debug.LogWarning("Surfaces == null || Surfaces.Length == 0");
return(true);
}
int maxTexGenIndex = 0;
for (int i = 0; i < Surfaces.Length; i++)
{
maxTexGenIndex = Mathf.Max(maxTexGenIndex, Surfaces[i].TexGenIndex);
}
maxTexGenIndex++;
if (TexGens == null ||
TexGens.Length < maxTexGenIndex)
{
dirty = true;
var newTexGens = new TexGen[maxTexGenIndex];
var newTexGenFlags = new TexGenFlags[maxTexGenIndex];
if (TexGens != null &&
TexGens.Length > 0)
{
for (int i = 0; i < TexGens.Length; i++)
{
newTexGens[i] = TexGens[i];
newTexGenFlags[i] = TexGenFlags[i];
}/*
* for (int i = TexGens.Length; i < newTexGens.Length; i++)
* {
* newTexGens[i].Color = Color.white;
* }*/
}
TexGens = newTexGens;
TexGenFlags = newTexGenFlags;
}
/*
* for (int i = 0; i < TexGens.Length; i++)
* {
* if (TexGens[i].Color == Color.clear)
* TexGens[i].Color = Color.white;
* }*/
return(dirty);
}
/// <summary>Converts a <see cref="RealtimeCSG.Legacy.Surface"/>/<see cref="RealtimeCSG.Legacy.TexGen"/>/<see cref="RealtimeCSG.Legacy.TexGenFlags"/> combination into a <see cref="RealtimeCSG.Foundation.SurfaceDescription"/>.</summary>
/// <param name="surface">A legacy <see cref="RealtimeCSG.Legacy.Surface"/> that describes how the texture space is orientated relative to the brush.</param>
/// <param name="texGen">A legacy <see cref="RealtimeCSG.Legacy.TexGen"/> that describes how the texture coordinates are calculated in the <see cref="RealtimeCSG.Foundation.SurfaceDescription"/>.</param>
/// <param name="texGenFlags">A legacy <see cref="RealtimeCSG.Legacy.TexGenFlags"/> enum that describes if the <see cref="RealtimeCSG.Foundation.SurfaceDescription"/> texture generation will be in world-space or brush-space.</param>
/// <returns>A new <see cref="RealtimeCSG.Foundation.SurfaceDescription"/></returns>
public static SurfaceDescription CreateSurfaceDescription(Surface surface, TexGen texGen, TexGenFlags texGenFlags)
{
var localToTextureSpace = SurfaceUtility.GetLocalToTextureSpaceMatrix(texGen, surface);
SurfaceDescription description;
description.smoothingGroup = texGen.SmoothingGroup;
description.surfaceFlags = ((texGenFlags & TexGenFlags.WorldSpaceTexture) == 0) ? SurfaceFlags.None : SurfaceFlags.TextureIsInWorldSpace;
description.UV0.U = localToTextureSpace.GetRow(0);
description.UV0.V = localToTextureSpace.GetRow(1);
return(description);
}
/// <summary>Converts a <see cref="RealtimeCSG.Legacy.TexGen"/>/<see cref="RealtimeCSG.Legacy.TexGenFlags"/> pair into a <see cref="RealtimeCSG.Foundation.SurfaceLayers"/>.</summary>
/// <param name="texGen">A legacy <see cref="RealtimeCSG.Legacy.TexGen"/> that describes what layer parameters will be used for this surface.</param>
/// <param name="texGenFlags">A legacy <see cref="RealtimeCSG.Legacy.TexGenFlags"/> that describes what layers will be used for this surface</param>
/// <returns>A new <see cref="RealtimeCSG.Foundation.SurfaceLayers"/></returns>
public static SurfaceLayers CreateSurfaceLayer(TexGen texGen, TexGenFlags texGenFlags)
{
SurfaceLayers layers;
var renderable = !((texGenFlags & TexGenFlags.NoRender) == TexGenFlags.NoRender);
var receiveShadows = !((texGenFlags & TexGenFlags.NoReceiveShadows) == TexGenFlags.NoReceiveShadows);
var castShadows = !((texGenFlags & TexGenFlags.NoCastShadows) == TexGenFlags.NoCastShadows);
var collidable = !((texGenFlags & TexGenFlags.NoCollision) == TexGenFlags.NoCollision);
layers.layerUsage = (renderable ? LayerUsageFlags.Renderable : LayerUsageFlags.None) |
(receiveShadows ? LayerUsageFlags.ReceiveShadows : LayerUsageFlags.None) |
(castShadows ? LayerUsageFlags.CastShadows : LayerUsageFlags.None) |
(collidable ? LayerUsageFlags.Collidable : LayerUsageFlags.None);
layers.layerParameter1 = (texGen.RenderMaterial) ? texGen.RenderMaterial.GetInstanceID() : 0;
layers.layerParameter2 = (texGen.PhysicsMaterial) ? texGen.PhysicsMaterial.GetInstanceID() : 0;
layers.layerParameter3 = 0;
return(layers);
}
