//----------------------------------------------------------------------------
void Fluids3D::UpdateIndexBuffer ()
{
VertexBufferAccessor vba(mCube);
APoint camPos = mCamera->GetPosition();
const int numTriangles = mNumIndices/3;
int* currentIndex = mIndices;
mTriangles.clear();
for (int t = 0; t < numTriangles; ++t)
{
Triangle tri;
tri.mIndex0 = *currentIndex++;
tri.mIndex1 = *currentIndex++;
tri.mIndex2 = *currentIndex++;
#ifdef USE_PARTICLES
float alpha = vba.Color<Float4>(0, tri.mIndex0)[3];
if (alpha == 0.0f)
{
continue;
}
#else
float alpha0 = vba.Color<Float4>(0, tri.mIndex0)[3];
float alpha1 = vba.Color<Float4>(0, tri.mIndex1)[3];
float alpha2 = vba.Color<Float4>(0, tri.mIndex2)[3];
if (alpha0 == 0.0f && alpha1 == 0.0f && alpha2 == 0.0f)
{
continue;
}
#endif
Vector3f scaledCenter =
vba.Position<Vector3f>(tri.mIndex0) +
vba.Position<Vector3f>(tri.mIndex1) +
vba.Position<Vector3f>(tri.mIndex2);
APoint output = mCube->WorldTransform*APoint(scaledCenter);
AVector diff = output - camPos;
tri.mNegSqrDistance = -diff.SquaredLength();
mTriangles.insert(tri);
}
IndexBuffer* ibuffer = mCube->GetIndexBuffer();
int* indices = (int*)ibuffer->GetData();
ibuffer->SetNumElements(3*(int)mTriangles.size());
std::multiset<Triangle>::iterator iter = mTriangles.begin();
std::multiset<Triangle>::iterator end = mTriangles.end();
for (/**/; iter != end; ++iter)
{
*indices++ = iter->mIndex0;
*indices++ = iter->mIndex1;
*indices++ = iter->mIndex2;
}
mRenderer->Update(ibuffer);
}
//----------------------------------------------------------------------------
Jungler::Jungler (Texture2D *tex, int maxNum, JunglerType type)
:
mTexture(tex),
mMaxNum(maxNum),
mJunglerType(type)
{
VertexFormat *vf = VertexFormat::Create(3,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_NORMAL, VertexFormat::AT_FLOAT3, 0,
VertexFormat::AU_TEXCOORD, VertexFormat::AT_FLOAT2, 0);
SetVertexFormat(vf);
int vNum = mMaxNum * msJunVertxNum[mJunglerType];
int iNum = mMaxNum * msJunIndexNum[mJunglerType];
VertexBuffer *vBuffer = new0 VertexBuffer(vNum, mVFormat->GetStride());
IndexBuffer *iBuffer = new0 IndexBuffer(iNum, 2);
vBuffer->SetNumElements((int)mPoses.size()*4);
iBuffer->SetNumElements((int)mPoses.size()*6);
SetVertexBuffer(vBuffer);
SetIndexBuffer(iBuffer);
}
//----------------------------------------------------------------------------
void Font::RenderText (TriMesh *mesh, float depth)
{
VertexFormat *vFormat = mesh->GetVertexFormat();
VertexBuffer *vBuffer = mesh->GetVertexBuffer();
IndexBuffer *iBuffer = mesh->GetIndexBuffer();
if (!vBuffer)
{
vBuffer = new0 VertexBuffer(4*mShowNum, vFormat->GetStride(),
Buffer::BU_DYNAMIC);
iBuffer = new0 IndexBuffer(6*mShowNum, 2);
unsigned short *indices = (unsigned short*)iBuffer->GetData();
for (int i=0; i<mShowNum; i++)
{
unsigned short v0 = i*4 + 0;
unsigned short v1 = i*4 + 1;
unsigned short v2 = i*4 + 2;
unsigned short v3 = i*4 + 3;
*indices++ = v0;
*indices++ = v1;
*indices++ = v2;
*indices++ = v0;
*indices++ = v2;
*indices++ = v3;
}
mesh->SetVertexBuffer(vBuffer);
mesh->SetIndexBuffer(iBuffer);
}
else
{
int vertexNum = vBuffer->GetNumElements();
if (vertexNum < 4*mShowNum)
{
vBuffer = new0 VertexBuffer(4*mShowNum, vFormat->GetStride(),
Buffer::BU_DYNAMIC);
iBuffer = new0 IndexBuffer(6*mShowNum, 2);
unsigned short *indices = (unsigned short*)iBuffer->GetData();
for (int i=0; i<mShowNum; i++)
{
unsigned short v0 = i*4 + 0;
unsigned short v1 = i*4 + 1;
unsigned short v2 = i*4 + 2;
unsigned short v3 = i*4 + 3;
*indices++ = v0;
*indices++ = v1;
*indices++ = v2;
*indices++ = v0;
*indices++ = v2;
*indices++ = v3;
}
mesh->SetVertexBuffer(vBuffer);
mesh->SetIndexBuffer(iBuffer);
}
}
VertexBufferAccessor vba(vFormat, vBuffer);
for (int i=0; i<mShowNum; i++)
{
FontDrawRect &rect = mDrawRects[i];
vba.Position<Float3>(4*i) = Float3(rect.Rect.Left, depth, rect.Rect.Bottom);
vba.Color<Float4>(0, 4*i) = rect.Color;
vba.TCoord<Float2>(0, 4*i) = Float2(rect.RectUV.Left, rect.RectUV.Bottom);
vba.Position<Float3>(4*i+1) = Float3(rect.Rect.Right, depth, rect.Rect.Bottom);
vba.Color<Float4>(0, 4*i+1) = rect.Color;
vba.TCoord<Float2>(0, 4*i+1)= Float2(rect.RectUV.Right, rect.RectUV.Bottom);
vba.Position<Float3>(4*i+2) = Float3(rect.Rect.Right, depth, rect.Rect.Top);
vba.Color<Float4>(0, 4*i+2) = rect.Color;
vba.TCoord<Float2>(0, 4*i+2)= Float2(rect.RectUV.Right, rect.RectUV.Top);
vba.Position<Float3>(4*i+3) = Float3(rect.Rect.Left, depth, rect.Rect.Top);
vba.Color<Float4>(0, 4*i+3) = rect.Color;
vba.TCoord<Float2>(0, 4*i+3)= Float2(rect.RectUV.Left, rect.RectUV.Top);
}
vBuffer->SetNumElements(4*mShowNum);
iBuffer->SetNumElements(6*mShowNum);
mesh->UpdateModelSpace(Renderable::GU_MODEL_BOUND_ONLY);
Renderer::UpdateAll(vBuffer);
Renderer::UpdateAll(iBuffer);
mShowNum = 0;
}
