// Adds a sprite to the manager at the location and rotation of the client
// GameObject and with its transform. Returns a reference to the new sprite
// Width and height are in world space units
// leftPixelX and bottomPixelY- the bottom-left position of the desired portion of the texture, in pixels
// pixelWidth and pixelHeight - the dimensions of the desired portion of the texture, in pixels
public GUISprite AddSprite(GameObject client, int width, int height, float depth, Vector2 LLUV)
{
int spriteIndex;
Vector2 lowerLeftUV = PixelCoordToUVCoord((int)LLUV.x, (int)LLUV.y);
Vector2 UVDimensions = PixelSpaceToUVSpace(width, height);
// Get an available sprite:
if (availableBlocks.Count < 1)
{
// If we're out of available sprites, allocate some more.
EnlargeArrays(allocBlockSize);
}
// Use a sprite from the list of available blocks:
spriteIndex = ((GUISprite)availableBlocks[0]).index;
availableBlocks.RemoveAt(0); // Now that we're using this one, remove it from the available list
// Assign the new sprite:
GUISprite newSprite = sprites[spriteIndex];
newSprite.client = client;
newSprite.depth = depth;
newSprite.lowerLeftUV = LLUV;
newSprite.uvDimensions = UVDimensions;
switch (plane)
{
case SPRITE_PLANE.XY:
newSprite.SetSizeXY(width, height);
break;
case SPRITE_PLANE.XZ:
newSprite.SetSizeXZ(width, height);
break;
case SPRITE_PLANE.YZ:
newSprite.SetSizeYZ(width, height);
break;
default:
newSprite.SetSizeXY(width, height);
break;
}
// Save this to an active list now that it is in-use:
//activeBlocks.Add(newSprite);
AddToActiveList(newSprite);
// Setup the UVs:
UVs[newSprite.uv1] = lowerLeftUV + Vector2.up * UVDimensions.y; // Upper-left
UVs[newSprite.uv2] = lowerLeftUV; // Lower-left
UVs[newSprite.uv3] = lowerLeftUV + Vector2.right * UVDimensions.x; // Lower-right
UVs[newSprite.uv4] = lowerLeftUV + UVDimensions; // Upper-right
// Set our flags:
vertsChanged = true;
uvsChanged = true;
return(newSprite);
}
public void RemoveSprite(GUISprite sprite)
{
sprite.SetSizeXY(0, 0);
sprite.v1 = Vector3.zero;
sprite.v2 = Vector3.zero;
sprite.v3 = Vector3.zero;
sprite.v4 = Vector3.zero;
vertices[sprite.mv1] = sprite.v1;
vertices[sprite.mv2] = sprite.v2;
vertices[sprite.mv3] = sprite.v3;
vertices[sprite.mv4] = sprite.v4;
sprite.client = null;
availableBlocks.Add(sprite);
// Remove the sprite from the active list
//activeBlocks.Remove(sprite);
RemoveFromActiveList(sprite);
vertsChanged = true;
}
public void RemoveSprite(GUISprite sprite)
{
sprite.SetSizeXY(0,0);
sprite.v1 = Vector3.zero;
sprite.v2 = Vector3.zero;
sprite.v3 = Vector3.zero;
sprite.v4 = Vector3.zero;
vertices[sprite.mv1] = sprite.v1;
vertices[sprite.mv2] = sprite.v2;
vertices[sprite.mv3] = sprite.v3;
vertices[sprite.mv4] = sprite.v4;
sprite.client = null;
availableBlocks.Add(sprite);
// Remove the sprite from the active list
//activeBlocks.Remove(sprite);
RemoveFromActiveList(sprite);
vertsChanged = true;
}