void GFXDrawUtil::drawRect( const Point2F &upperLeft, const Point2F &lowerRight, const ColorI &color )
{
//
// Convert Box a----------x
// | |
// x----------b
//
// Into Triangle-Strip Outline
// v0-----------v2
// | a x |
// | v1-----v3 |
// | | | |
// | v7-----v5 |
// | x b |
// v6-----------v4
//
// NorthWest and NorthEast facing offset vectors
// These adjust the thickness of the line, it'd be neat if one day
// they were passed in as arguments.
Point2F nw(-0.5f,-0.5f); /* \ */
Point2F ne(0.5f,-0.5f); /* / */
GFXVertexBufferHandle<GFXVertexPC> verts (mDevice, 10, GFXBufferTypeVolatile );
verts.lock();
F32 ulOffset = 0.5f - mDevice->getFillConventionOffset();
verts[0].point.set( upperLeft.x + ulOffset + nw.x, upperLeft.y + ulOffset + nw.y, 0.0f );
verts[1].point.set( upperLeft.x + ulOffset - nw.x, upperLeft.y + ulOffset - nw.y, 0.0f );
verts[2].point.set( lowerRight.x + ne.x, upperLeft.y + ulOffset + ne.y, 0.0f );
verts[3].point.set( lowerRight.x - ne.x, upperLeft.y + ulOffset - ne.y, 0.0f );
verts[4].point.set( lowerRight.x - nw.x, lowerRight.y - nw.y, 0.0f );
verts[5].point.set( lowerRight.x + nw.x, lowerRight.y + nw.y, 0.0f );
verts[6].point.set( upperLeft.x + ulOffset - ne.x, lowerRight.y - ne.y, 0.0f );
verts[7].point.set( upperLeft.x + ulOffset + ne.x, lowerRight.y + ne.y, 0.0f );
verts[8].point.set( upperLeft.x + ulOffset + nw.x, upperLeft.y + ulOffset + nw.y, 0.0f ); // same as 0
verts[9].point.set( upperLeft.x + ulOffset - nw.x, upperLeft.y + ulOffset - nw.y, 0.0f ); // same as 1
for (S32 i=0; i<10; i++)
verts[i].color = color;
verts.unlock();
mDevice->setVertexBuffer( verts );
mDevice->setStateBlock(mRectFillSB);
mDevice->setupGenericShaders();
mDevice->drawPrimitive( GFXTriangleStrip, 0, 8 );
}
//-----------------------------------------------------------------------------
// end
//-----------------------------------------------------------------------------
GFXVertexBuffer * endToBuffer( U32 &numPrims )
{
mVertBuff.set(GFX, mTempVertBuff.size(), GFXBufferTypeVolatile);
GFXVertexPCT *verts = mVertBuff.lock();
dMemcpy( verts, mTempVertBuff.address(), mTempVertBuff.size() * sizeof(GFXVertexPCT) );
mVertBuff.unlock();
VERTEX_SIZE_CHECK();
switch( mType )
{
case GFXPointList:
{
numPrims = mCurVertIndex;
break;
}
case GFXLineList:
{
numPrims = mCurVertIndex / 2;
break;
}
case GFXLineStrip:
{
numPrims = mCurVertIndex - 1;
break;
}
case GFXTriangleList:
{
numPrims = mCurVertIndex / 3;
break;
}
case GFXTriangleStrip:
case GFXTriangleFan:
{
numPrims = mCurVertIndex - 2;
break;
}
case GFXPT_COUNT:
// handle warning
break;
}
return mVertBuff;
}
void CameraSpline::renderTimeMap()
{
buildTimeMap();
gBuilding = true;
// Build vertex buffer
GFXVertexBufferHandle<GFXVertexPCT> vb;
vb.set(GFX, mTimeMap.size(), GFXBufferTypeVolatile);
void *ptr = vb.lock();
if(!ptr) return;
MRandomLCG random(1376312589 * (uintptr_t)this);
S32 index = 0;
for(Vector<TimeMap>::iterator itr=mTimeMap.begin(); itr != mTimeMap.end(); itr++)
{
Knot a;
value(itr->mTime, &a, true);
S32 cr = random.randI(0,255);
S32 cg = random.randI(0,255);
S32 cb = random.randI(0,255);
vb[index].color.set(cr, cg, cb);
vb[index].point.set(a.mPosition.x, a.mPosition.y, a.mPosition.z);
index++;
}
gBuilding = false;
vb.unlock();
// Render the buffer
GFX->pushWorldMatrix();
GFX->setupGenericShaders();
GFX->setVertexBuffer(vb);
GFX->drawPrimitive(GFXLineStrip,0,index);
GFX->popWorldMatrix();
}
void ScatterSky::_renderMoon( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat )
{
if ( !mMoonMatInst )
return;
Point3F moonlightPosition = state->getCameraPosition() - /*mLight->getDirection()*/ mMoonLightDir * state->getFarPlane() * 0.9f;
F32 dist = (moonlightPosition - state->getCameraPosition()).len();
// worldRadius = screenRadius * dist / worldToScreen
// screenRadius = worldRadius / dist * worldToScreen
//
F32 screenRadius = GFX->getViewport().extent.y * mMoonScale * 0.5f;
F32 worldRadius = screenRadius * dist / state->getWorldToScreenScale().y;
// Calculate Billboard Radius (in world units) to be constant, independent of distance.
// Takes into account distance, viewport size, and specified size in editor
F32 BBRadius = worldRadius;
mMatrixSet->restoreSceneViewProjection();
if ( state->isReflectPass() )
mMatrixSet->setProjection( state->getSceneManager()->getNonClipProjection() );
mMatrixSet->setWorld( MatrixF::Identity );
// Initialize points with basic info
Point3F points[4];
points[0] = Point3F(-BBRadius, 0.0, -BBRadius);
points[1] = Point3F( -BBRadius, 0.0, BBRadius);
points[2] = Point3F( BBRadius, 0.0, BBRadius);
points[3] = Point3F( BBRadius, 0.0, -BBRadius);
static const Point2F sCoords[4] =
{
Point2F( 0.0f, 0.0f ),
Point2F( 0.0f, 1.0f ),
Point2F( 1.0f, 1.0f ),
Point2F( 1.0f, 0.0f )
};
// Get info we need to adjust points
const MatrixF &camView = state->getCameraTransform();
// Finalize points
for(int i = 0; i < 4; i++)
{
// align with camera
camView.mulV(points[i]);
// offset
points[i] += moonlightPosition;
}
// Vertex color.
ColorF moonVertColor( 1.0f, 1.0f, 1.0f, mNightInterpolant );
// Copy points to buffer.
GFXVertexBufferHandle< GFXVertexPCT > vb;
vb.set( GFX, 4, GFXBufferTypeVolatile );
GFXVertexPCT *pVert = vb.lock();
for ( S32 i = 0; i < 4; i++ )
{
pVert->color.set( moonVertColor );
pVert->point.set( points[i] );
pVert->texCoord.set( sCoords[i].x, sCoords[i].y );
pVert++;
}
vb.unlock();
// Setup SceneData struct.
SceneData sgData;
sgData.wireframe = GFXDevice::getWireframe();
sgData.visibility = 1.0f;
// Draw it
while ( mMoonMatInst->setupPass( state, sgData ) )
{
mMoonMatInst->setTransforms( *mMatrixSet, state );
mMoonMatInst->setSceneInfo( state, sgData );
GFX->setVertexBuffer( vb );
GFX->drawPrimitive( GFXTriangleFan, 0, 2 );
}
}
void TerrainBlock::_updateBaseTexture(bool writeToCache)
{
if ( !mBaseShader && !_initBaseShader() )
return;
// This can sometimes occur outside a begin/end scene.
const bool sceneBegun = GFX->canCurrentlyRender();
if ( !sceneBegun )
GFX->beginScene();
GFXDEBUGEVENT_SCOPE( TerrainBlock_UpdateBaseTexture, ColorI::GREEN );
PROFILE_SCOPE( TerrainBlock_UpdateBaseTexture );
GFXTransformSaver saver;
const U32 maxTextureSize = GFX->getCardProfiler()->queryProfile( "maxTextureSize", 1024 );
U32 baseTexSize = getNextPow2( mBaseTexSize );
baseTexSize = getMin( maxTextureSize, baseTexSize );
Point2I destSize( baseTexSize, baseTexSize );
// Setup geometry
GFXVertexBufferHandle<GFXVertexPT> vb;
{
F32 copyOffsetX = 2.0f * GFX->getFillConventionOffset() / (F32)destSize.x;
F32 copyOffsetY = 2.0f * GFX->getFillConventionOffset() / (F32)destSize.y;
GFXVertexPT points[4];
points[0].point = Point3F(1.0 - copyOffsetX, -1.0 + copyOffsetY, 0.0);
points[0].texCoord = Point2F(1.0, 1.0f);
points[1].point = Point3F(1.0 - copyOffsetX, 1.0 + copyOffsetY, 0.0);
points[1].texCoord = Point2F(1.0, 0.0f);
points[2].point = Point3F(-1.0 - copyOffsetX, -1.0 + copyOffsetY, 0.0);
points[2].texCoord = Point2F(0.0, 1.0f);
points[3].point = Point3F(-1.0 - copyOffsetX, 1.0 + copyOffsetY, 0.0);
points[3].texCoord = Point2F(0.0, 0.0f);
vb.set( GFX, 4, GFXBufferTypeVolatile );
GFXVertexPT *ptr = vb.lock();
if(ptr)
{
dMemcpy( ptr, points, sizeof(GFXVertexPT) * 4 );
vb.unlock();
}
}
GFXTexHandle blendTex;
// If the base texture is already a valid render target then
// use it to render to else we create one.
if ( mBaseTex.isValid() &&
mBaseTex->isRenderTarget() &&
mBaseTex->getFormat() == GFXFormatR8G8B8A8 &&
mBaseTex->getWidth() == destSize.x &&
mBaseTex->getHeight() == destSize.y )
blendTex = mBaseTex;
else
blendTex.set( destSize.x, destSize.y, GFXFormatR8G8B8A8, &GFXDefaultRenderTargetProfile, "" );
GFX->pushActiveRenderTarget();
// Set our shader stuff
GFX->setShader( mBaseShader );
GFX->setShaderConstBuffer( mBaseShaderConsts );
GFX->setStateBlock( mBaseShaderSB );
GFX->setVertexBuffer( vb );
mBaseTarget->attachTexture( GFXTextureTarget::Color0, blendTex );
GFX->setActiveRenderTarget( mBaseTarget );
GFX->clear( GFXClearTarget, ColorI(0,0,0,255), 1.0f, 0 );
GFX->setTexture( 0, mLayerTex );
mBaseShaderConsts->setSafe( mBaseLayerSizeConst, (F32)mLayerTex->getWidth() );
for ( U32 i=0; i < mBaseTextures.size(); i++ )
{
GFXTextureObject *tex = mBaseTextures[i];
if ( !tex )
continue;
GFX->setTexture( 1, tex );
F32 baseSize = mFile->mMaterials[i]->getDiffuseSize();
F32 scale = 1.0f;
if ( !mIsZero( baseSize ) )
scale = getWorldBlockSize() / baseSize;
// A mistake early in development means that texture
// coords are not flipped correctly. To compensate
// we flip the y scale here.
mBaseShaderConsts->setSafe( mBaseTexScaleConst, Point2F( scale, -scale ) );
mBaseShaderConsts->setSafe( mBaseTexIdConst, (F32)i );
GFX->drawPrimitive( GFXTriangleStrip, 0, 2 );
}
mBaseTarget->resolve();
GFX->setShader( NULL );
//GFX->setStateBlock( NULL ); // WHY NOT?
GFX->setShaderConstBuffer( NULL );
GFX->setVertexBuffer( NULL );
GFX->popActiveRenderTarget();
// End it if we begun it... Yeehaw!
if ( !sceneBegun )
GFX->endScene();
/// Do we cache this sucker?
if (mBaseTexFormat == NONE || !writeToCache)
{
// We didn't cache the result, so set the base texture
// to the render target we updated. This should be good
// for realtime painting cases.
mBaseTex = blendTex;
}
else if (mBaseTexFormat == DDS)
{
String cachePath = _getBaseTexCacheFileName();
FileStream fs;
if ( fs.open( _getBaseTexCacheFileName(), Torque::FS::File::Write ) )
{
// Read back the render target, dxt compress it, and write it to disk.
GBitmap blendBmp( destSize.x, destSize.y, false, GFXFormatR8G8B8A8 );
blendTex.copyToBmp( &blendBmp );
/*
// Test code for dumping uncompressed bitmap to disk.
{
FileStream fs;
if ( fs.open( "./basetex.png", Torque::FS::File::Write ) )
{
blendBmp.writeBitmap( "png", fs );
fs.close();
}
}
*/
blendBmp.extrudeMipLevels();
DDSFile *blendDDS = DDSFile::createDDSFileFromGBitmap( &blendBmp );
DDSUtil::squishDDS( blendDDS, GFXFormatDXT1 );
// Write result to file stream
blendDDS->write( fs );
delete blendDDS;
}
fs.close();
}
else
{
FileStream stream;
if (!stream.open(_getBaseTexCacheFileName(), Torque::FS::File::Write))
{
mBaseTex = blendTex;
return;
}
GBitmap bitmap(blendTex->getWidth(), blendTex->getHeight(), false, GFXFormatR8G8B8);
blendTex->copyToBmp(&bitmap);
bitmap.writeBitmap(formatToExtension(mBaseTexFormat), stream);
}
}
bool DecalManager::prepRenderImage(SceneState* state, const U32 stateKey,
const U32 /*startZone*/, const bool /*modifyBaseState*/)
{
PROFILE_SCOPE( DecalManager_RenderDecals );
if ( !smDecalsOn || !mData )
return false;
if (isLastState(state, stateKey))
return false;
setLastState(state, stateKey);
if ( !state->isDiffusePass() && !state->isReflectPass() )
return false;
PROFILE_START( DecalManager_RenderDecals_SphereTreeCull );
// Grab this before anything here changes it.
mCuller = state->getFrustum();
// Populate vector of decal instances to be rendered with all
// decals from visible decal spheres.
mDecalQueue.clear();
const Vector<DecalSphere*> &grid = mData->getGrid();
for ( U32 i = 0; i < grid.size(); i++ )
{
const DecalSphere *decalSphere = grid[i];
const SphereF &worldSphere = decalSphere->mWorldSphere;
if ( !mCuller.sphereInFrustum( worldSphere.center, worldSphere.radius ) )
continue;
// TODO: If each sphere stored its largest decal instance we
// could do an LOD step on it here and skip adding any of the
// decals in the sphere.
mDecalQueue.merge( decalSphere->mItems );
}
PROFILE_END();
PROFILE_START( DecalManager_RenderDecals_Update );
const U32 &curSimTime = Sim::getCurrentTime();
const Point2I &viewportExtent = state->getViewportExtent();
Point3F cameraOffset;
F32 decalSize,
pixelRadius;
U32 delta, diff;
DecalInstance *dinst;
// Loop through DecalQueue once for preRendering work.
// 1. Update DecalInstance fade (over time)
// 2. Clip geometry if flagged to do so.
// 3. Calculate lod - if decal is far enough away it will not render.
for ( U32 i = 0; i < mDecalQueue.size(); i++ )
{
dinst = mDecalQueue[i];
// LOD calculation.
// See TSShapeInstance::setDetailFromDistance for more
// information on these calculations.
decalSize = getMax( dinst->mSize, 0.001f );
pixelRadius = dinst->calcPixelRadius( state );
// Need to clamp here.
if ( pixelRadius < dinst->calcEndPixRadius( viewportExtent ) )
{
mDecalQueue.erase_fast( i );
i--;
continue;
}
// We're gonna try to render this decal... so do any
// final adjustments to it before rendering.
// Update fade and delete expired.
if ( !( dinst->mFlags & PermanentDecal || dinst->mFlags & CustomDecal ) )
{
delta = ( curSimTime - dinst->mCreateTime );
if ( delta > dinst->mDataBlock->lifeSpan )
{
diff = delta - dinst->mDataBlock->lifeSpan;
dinst->mVisibility = 1.0f - (F32)diff / (F32)dinst->mDataBlock->fadeTime;
if ( dinst->mVisibility <= 0.0f )
{
mDecalQueue.erase_fast( i );
removeDecal( dinst );
i--;
continue;
}
}
}
// Build clipped geometry for this decal if needed.
if ( dinst->mFlags & ClipDecal/* && !( dinst->mFlags & CustomDecal ) */)
{
// Turn off the flag so we don't continually try to clip
// if it fails.
if(!clipDecal( dinst ))
{
dinst->mFlags = dinst->mFlags & ~ClipDecal;
if ( !(dinst->mFlags & CustomDecal) )
{
// Clipping failed to get any geometry...
// Remove it from the render queue.
mDecalQueue.erase_fast( i );
i--;
// If the decal is one placed at run-time (not the editor)
// then we should also permanently delete the decal instance.
if ( !(dinst->mFlags & SaveDecal) )
{
removeDecal( dinst );
}
}
// If this is a decal placed by the editor it will be
// flagged to attempt clipping again the next time it is
// modified. For now we just skip rendering it.
continue;
}
}
// If we get here and the decal still does not have any geometry
// skip rendering it. It must be an editor placed decal that failed
// to clip any geometry but has not yet been flagged to try again.
if ( !dinst->mVerts || dinst->mVertCount == 0 || dinst->mIndxCount == 0 )
{
mDecalQueue.erase_fast( i );
i--;
continue;
}
//
F32 alpha = pixelRadius / (dinst->mDataBlock->startPixRadius * decalSize) - 1.0f;
if ( dinst->mFlags & CustomDecal )
{
alpha = mClampF( alpha, 0.0f, 1.0f );
alpha *= dinst->mVisibility;
}
else
alpha = mClampF( alpha * dinst->mVisibility, 0.0f, 1.0f );
//
for ( U32 v = 0; v < dinst->mVertCount; v++ )
dinst->mVerts[v].color.set( 255, 255, 255, alpha * 255.0f );
}
PROFILE_END();
if ( mDecalQueue.empty() )
return false;
// Sort queued decals...
// 1. Editor decals - in render priority order first, creation time second, and material third.
// 2. Dynamic decals - in render priority order first and creation time second.
//
// With the constraint that decals with different render priority cannot
// be rendered together in the same draw call.
PROFILE_START( DecalManager_RenderDecals_Sort );
dQsort( mDecalQueue.address(), mDecalQueue.size(), sizeof(DecalInstance*), cmpDecalRenderOrder );
PROFILE_END();
PROFILE_SCOPE( DecalManager_RenderDecals_RenderBatch );
mPrimBuffs.clear();
mVBs.clear();
RenderPassManager *renderPass = state->getRenderPass();
// Base render instance for convenience we use for convenience.
// Data shared by all instances we allocate below can be copied
// from the base instance at the same time.
MeshRenderInst baseRenderInst;
baseRenderInst.clear();
MatrixF *tempMat = renderPass->allocUniqueXform( MatrixF( true ) );
MathUtils::getZBiasProjectionMatrix( gDecalBias, mCuller, tempMat );
baseRenderInst.projection = tempMat;
baseRenderInst.objectToWorld = &MatrixF::Identity;
baseRenderInst.worldToCamera = renderPass->allocSharedXform(RenderPassManager::View);
baseRenderInst.type = RenderPassManager::RIT_Decal;
// Make it the sort distance the max distance so that
// it renders after all the other opaque geometry in
// the prepass bin.
baseRenderInst.sortDistSq = F32_MAX;
// Get the best lights for the current camera position.
LightManager *lm = state->getLightManager();
if ( lm )
{
lm->setupLights( NULL,
mCuller.getPosition(),
mCuller.getTransform().getForwardVector(),
mCuller.getFarDist() );
lm->getBestLights( baseRenderInst.lights, 4 );
lm->resetLights();
}
Vector<DecalBatch> batches;
DecalBatch *currentBatch = NULL;
// Loop through DecalQueue collecting them into render batches.
for ( U32 i = 0; i < mDecalQueue.size(); i++ )
{
DecalInstance *decal = mDecalQueue[i];
DecalData *data = decal->mDataBlock;
Material *mat = data->getMaterial();
if ( currentBatch == NULL )
{
// Start a new batch, beginning with this decal.
batches.increment();
currentBatch = &batches.last();
currentBatch->startDecal = i;
currentBatch->decalCount = 1;
currentBatch->iCount = decal->mIndxCount;
currentBatch->vCount = decal->mVertCount;
currentBatch->mat = mat;
currentBatch->matInst = decal->mDataBlock->getMaterialInstance();
currentBatch->priority = decal->getRenderPriority();
currentBatch->dynamic = !(decal->mFlags & SaveDecal);
continue;
}
if ( currentBatch->iCount + decal->mIndxCount >= smMaxIndices ||
currentBatch->vCount + decal->mVertCount >= smMaxVerts ||
currentBatch->mat != mat ||
currentBatch->priority != decal->getRenderPriority() ||
decal->mCustomTex )
{
// End batch.
currentBatch = NULL;
i--;
continue;
}
// Add on to current batch.
currentBatch->decalCount++;
currentBatch->iCount += decal->mIndxCount;
currentBatch->vCount += decal->mVertCount;
}
// Loop through batches allocating buffers and submitting render instances.
for ( U32 i = 0; i < batches.size(); i++ )
{
DecalBatch ¤tBatch = batches[i];
// Allocate buffers...
GFXVertexBufferHandle<DecalVertex> vb;
vb.set( GFX, currentBatch.vCount, GFXBufferTypeDynamic );
DecalVertex *vpPtr = vb.lock();
GFXPrimitiveBufferHandle pb;
pb.set( GFX, currentBatch.iCount, 0, GFXBufferTypeDynamic );
U16 *pbPtr;
pb.lock( &pbPtr );
// Copy data into the buffers from all decals in this batch...
U32 lastDecal = currentBatch.startDecal + currentBatch.decalCount;
U32 voffset = 0;
U32 ioffset = 0;
// This is an ugly hack for ProjectedShadow!
GFXTextureObject *customTex = NULL;
for ( U32 j = currentBatch.startDecal; j < lastDecal; j++ )
{
DecalInstance *dinst = mDecalQueue[j];
for ( U32 k = 0; k < dinst->mIndxCount; k++ )
{
*( pbPtr + ioffset + k ) = dinst->mIndices[k] + voffset;
}
ioffset += dinst->mIndxCount;
dMemcpy( vpPtr + voffset, dinst->mVerts, sizeof( DecalVertex ) * dinst->mVertCount );
voffset += dinst->mVertCount;
// Ugly hack for ProjectedShadow!
if ( (dinst->mFlags & CustomDecal) && dinst->mCustomTex != NULL )
customTex = *dinst->mCustomTex;
}
AssertFatal( ioffset == currentBatch.iCount, "bad" );
AssertFatal( voffset == currentBatch.vCount, "bad" );
pb.unlock();
vb.unlock();
// DecalManager must hold handles to these buffers so they remain valid,
// we don't actually use them elsewhere.
mPrimBuffs.push_back( pb );
mVBs.push_back( vb );
// Submit render inst...
MeshRenderInst *ri = renderPass->allocInst<MeshRenderInst>();
*ri = baseRenderInst;
ri->primBuff = &mPrimBuffs.last();
ri->vertBuff = &mVBs.last();
ri->matInst = currentBatch.matInst;
ri->prim = renderPass->allocPrim();
ri->prim->type = GFXTriangleList;
ri->prim->minIndex = 0;
ri->prim->startIndex = 0;
ri->prim->numPrimitives = currentBatch.iCount / 3;
ri->prim->startVertex = 0;
ri->prim->numVertices = currentBatch.vCount;
// Ugly hack for ProjectedShadow!
if ( customTex )
ri->miscTex = customTex;
// The decal bin will contain render instances for both decals and decalRoad's.
// Dynamic decals render last, then editor decals and roads in priority order.
// DefaultKey is sorted in descending order.
ri->defaultKey = currentBatch.dynamic ? 0xFFFFFFFF : (U32)currentBatch.priority;
ri->defaultKey2 = 1;//(U32)lastDecal->mDataBlock;
renderPass->addInst( ri );
}
return false;
}
void GroundPlane::generateGrid( U32 width, U32 height, F32 squareSize,
const Point2F& min, const Point2F& max,
GFXVertexBufferHandle< VertexType >& outVertices,
GFXPrimitiveBufferHandle& outPrimitives )
{
// Generate the vertices.
VertexType* vertices = outVertices.lock();
for( F32 y = min.y; y <= max.y; y += squareSize )
for( F32 x = min.x; x <= max.x; x += squareSize )
{
vertices->point.x = x;
vertices->point.y = y;
vertices->point.z = 0.0;
vertices->texCoord.x = ( x / squareSize ) * mScaleU;
vertices->texCoord.y = ( y / squareSize ) * -mScaleV;
vertices->normal.x = 0.0f;
vertices->normal.y = 0.0f;
vertices->normal.z = 1.0f;
vertices->tangent.x = 1.0f;
vertices->tangent.y = 0.0f;
vertices->tangent.z = 0.0f;
vertices->binormal.x = 0.0f;
vertices->binormal.y = 1.0f;
vertices->binormal.z = 0.0f;
vertices++;
}
outVertices.unlock();
// Generate the indices.
U16* indices;
outPrimitives.lock( &indices );
U16 corner1 = 0;
U16 corner2 = 1;
U16 corner3 = width + 1;
U16 corner4 = width + 2;
for( U32 y = 0; y < height; ++ y )
{
for( U32 x = 0; x < width; ++ x )
{
indices[ 0 ] = corner3;
indices[ 1 ] = corner2;
indices[ 2 ] = corner1;
indices += 3;
indices[ 0 ] = corner3;
indices[ 1 ] = corner4;
indices[ 2 ] = corner2;
indices += 3;
corner1 ++;
corner2 ++;
corner3 ++;
corner4 ++;
}
corner1 ++;
corner2 ++;
corner3 ++;
corner4 ++;
}
outPrimitives.unlock();
}
void Sun::_renderCorona( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat )
{
// Calculate Billboard Radius (in world units) to be constant, independent of distance.
// Takes into account distance, viewport size, and specified size in editor
F32 BBRadius = mCoronaWorldRadius;
mMatrixSet->restoreSceneViewProjection();
if ( state->isReflectPass() )
mMatrixSet->setProjection( state->getSceneManager()->getNonClipProjection() );
//mMatrixSet->setWorld( MatrixF::Identity );
// Initialize points with basic info
Point3F points[4];
points[0] = Point3F(-BBRadius, 0.0, -BBRadius);
points[1] = Point3F( -BBRadius, 0.0, BBRadius);
points[2] = Point3F( BBRadius, 0.0, BBRadius);
points[3] = Point3F( BBRadius, 0.0, -BBRadius);
static const Point2F sCoords[4] =
{
Point2F( 0.0f, 0.0f ),
Point2F( 0.0f, 1.0f ),
Point2F( 1.0f, 1.0f ),
Point2F( 1.0f, 0.0f )
};
// Get info we need to adjust points
const MatrixF &camView = state->getCameraTransform();
// Finalize points
for(S32 i = 0; i < 4; i++)
{
// align with camera
camView.mulV(points[i]);
// offset
points[i] += mLightWorldPos;
}
ColorF vertColor;
if ( mCoronaUseLightColor )
vertColor = mLightColor;
else
vertColor = mCoronaTint;
GFXVertexBufferHandle< GFXVertexPCT > vb;
vb.set( GFX, 4, GFXBufferTypeVolatile );
GFXVertexPCT *pVert = vb.lock();
if(!pVert) return;
for ( S32 i = 0; i < 4; i++ )
{
pVert->color.set( vertColor );
pVert->point.set( points[i] );
pVert->texCoord.set( sCoords[i].x, sCoords[i].y );
pVert++;
}
vb.unlock();
// Setup SceneData struct.
SceneData sgData;
sgData.wireframe = GFXDevice::getWireframe();
sgData.visibility = 1.0f;
// Draw it
while ( mCoronaMatInst->setupPass( state, sgData ) )
{
mCoronaMatInst->setTransforms( *mMatrixSet, state );
mCoronaMatInst->setSceneInfo( state, sgData );
GFX->setVertexBuffer( vb );
GFX->drawPrimitive( GFXTriangleFan, 0, 2 );
}
}
void end( bool useGenericShaders )
{
if ( mCurVertIndex == 0 )
return;
VERTEX_SIZE_CHECK();
U32 vertStride = 1;
U32 stripStart = 0;
AssertFatal( mType >= GFXPT_FIRST && mType < GFXPT_COUNT, "PrimBuilder::end() - Bad primitive type!" );
switch( mType )
{
default:
case GFXPointList:
{
vertStride = 1;
break;
}
case GFXLineList:
{
vertStride = 2;
break;
}
case GFXTriangleList:
{
vertStride = 3;
break;
}
case GFXLineStrip:
{
stripStart = 1;
vertStride = 1;
break;
}
case GFXTriangleStrip:
case GFXTriangleFan:
{
stripStart = 2;
vertStride = 1;
break;
}
}
if ( useGenericShaders )
GFX->setupGenericShaders( GFXDevice::GSModColorTexture );
const GFXVertexPCT *srcVerts = mTempVertBuff.address();
U32 numVerts = mCurVertIndex;
// Make sure we don't have a dirty prim buffer left.
GFX->setPrimitiveBuffer( NULL );
if ( stripStart > 0 )
{
// TODO: Fix this to allow > MAX_DYNAMIC_VERTS!
U32 copyVerts = getMin( (U32)MAX_DYNAMIC_VERTS, numVerts );
mVertBuff.set( GFX, copyVerts, GFXBufferTypeVolatile );
GFXVertexPCT *verts = mVertBuff.lock();
dMemcpy( verts, srcVerts, copyVerts * sizeof( GFXVertexPCT ) );
mVertBuff.unlock();
U32 numPrims = ( copyVerts / vertStride ) - stripStart;
GFX->setVertexBuffer( mVertBuff );
GFX->drawPrimitive( mType, 0, numPrims );
}
else
{
while ( numVerts > 0 )
{
U32 copyVerts = getMin( (U32)MAX_DYNAMIC_VERTS, numVerts );
copyVerts -= copyVerts % vertStride;
mVertBuff.set( GFX, copyVerts, GFXBufferTypeVolatile );
GFXVertexPCT *verts = mVertBuff.lock();
dMemcpy( verts, srcVerts, copyVerts * sizeof( GFXVertexPCT ) );
mVertBuff.unlock();
U32 numPrims = copyVerts / vertStride;
GFX->setVertexBuffer( mVertBuff );
GFX->drawPrimitive( mType, 0, numPrims );
srcVerts += copyVerts;
numVerts -= copyVerts;
}
}
}