LLViewerParcelOverlay::LLViewerParcelOverlay(LLViewerRegion* region, F32 region_width_meters)
: mRegion( region ),
mParcelGridsPerEdge( S32( region_width_meters / PARCEL_GRID_STEP_METERS ) ),
mDirty( FALSE ),
mTimeSinceLastUpdate(),
mOverlayTextureIdx(-1),
mVertexCount(0),
mVertexArray(NULL),
mColorArray(NULL)
// mTexCoordArray(NULL),
{
// Create a texture to hold color information.
// 4 components
// Use mipmaps = FALSE, clamped, NEAREST filter, for sharp edges
mTexture = new LLImageGL(FALSE);
mImageRaw = new LLImageRaw(mParcelGridsPerEdge, mParcelGridsPerEdge, OVERLAY_IMG_COMPONENTS);
mTexture->createGLTexture(0, mImageRaw);
gGL.getTexUnit(0)->activate();
gGL.getTexUnit(0)->bind(mTexture);
mTexture->setAddressMode(LLTexUnit::TAM_CLAMP);
mTexture->setFilteringOption(LLTexUnit::TFO_POINT);
//
// Initialize the GL texture with empty data.
//
// Create the base texture.
U8 *raw = mImageRaw->getData();
const S32 COUNT = mParcelGridsPerEdge * mParcelGridsPerEdge * OVERLAY_IMG_COMPONENTS;
for (S32 i = 0; i < COUNT; i++)
{
raw[i] = 0;
}
mTexture->setSubImage(mImageRaw, 0, 0, mParcelGridsPerEdge, mParcelGridsPerEdge);
// Create storage for ownership information from simulator
// and initialize it.
mOwnership = new U8[ mParcelGridsPerEdge * mParcelGridsPerEdge ];
for (S32 i = 0; i < mParcelGridsPerEdge * mParcelGridsPerEdge; i++)
{
mOwnership[i] = PARCEL_PUBLIC;
}
// Make sure the texture matches the ownership information.
updateOverlayTexture();
sShowPropertyLines = gSavedSettings.getBOOL("ShowPropertyLines");
mPropertyColorAvail = gColors.getColor4U("PropertyColorAvail");
mPropertyColorOther = gColors.getColor4U("PropertyColorOther");
mPropertyColorGroup = gColors.getColor4U("PropertyColorGroup");
mPropertyColorSelf = gColors.getColor4U("PropertyColorSelf");
mPropertyColorForSale = gColors.getColor4U("PropertyColorForSale");
mPropertyColorAuction = gColors.getColor4U("PropertyColorAuction");
}
void LLViewerParcelOverlay::idleUpdate(bool force_update)
{
if (gGLManager.mIsDisabled)
{
return;
}
if (mOverlayTextureIdx >= 0 && (!(mDirty && force_update)))
{
// We are in the middle of updating the overlay texture
updateOverlayTexture();
return;
}
// Only if we're dirty and it's been a while since the last update.
if (mDirty)
{
if (force_update || mTimeSinceLastUpdate.getElapsedTimeF32() > 4.0f)
{
updateOverlayTexture();
updatePropertyLines();
mTimeSinceLastUpdate.reset();
}
}
}
void LLViewerParcelOverlay::idleUpdate(bool force_update)
{
LLMemType mt_iup(LLMemType::MTYPE_IDLE_UPDATE_PARCEL_OVERLAY);
if (gGLManager.mIsDisabled)
{
return;
}
if (mOverlayTextureIdx >= 0 && (!(mDirty && force_update)))
{
// We are in the middle of updating the overlay texture
gPipeline.markGLRebuild(this);
return;
}
// Only if we're dirty and it's been a while since the last update.
if (mDirty)
{
if (force_update || mTimeSinceLastUpdate.getElapsedTimeF32() > 4.0f)
{
updateOverlayTexture();
updatePropertyLines();
mTimeSinceLastUpdate.reset();
}
}
}
void LLViewerParcelOverlay::updateGL()
{
updateOverlayTexture();
}