bool VertexBuffer::SetData(const Description& description, IndexVector* indices)
{
// Release all old buffers
SafeRelease(mVertexBuffer);
SafeRelease(mIndexBuffer);
mIndexCount = 0;
// Setup index buffer
if (indices != NULL)
{
if (!SetupIndexBuffer(indices, description.Usage))
{
MessageBox(NULL, "Failed to create index buffer", "Error", MB_OK | MB_ICONERROR);
return false;
}
}
// Setup vertex buffer
if (!CreateBuffer(&mVertexBuffer, description, D3D10_BIND_VERTEX_BUFFER))
{
MessageBox(NULL, "Failed to create vertex buffer", "Error", MB_OK | MB_ICONERROR);
return false;
}
// Set new buffer description
mElementCount = description.ElementCount;
mElementSize = description.ElementSize;
mTopology = description.Topology;
return true;
}
void GPUData::UpdateBuffers(int aIndexCount, char* aIndexData, int aVertexCount, int aVertexStride, char* aVertexData, GPUContext& aGPUContext)
{
SetupIndexBuffer(aIndexCount, aIndexData, aGPUContext);
SetupVertexBuffer(aVertexCount, aVertexData, aGPUContext);
myIndexData->myNumberOfIndices = aIndexCount;
myVertexData->myNumberOfVertices = aVertexCount;
myVertexData->myStride = aVertexStride;
}
void GPUData::Init(EffectID aEffect, GPUContext& aGPUContext, AssetContainer& aAssetContainer)
{
InitInputLayout(aEffect, aGPUContext, aAssetContainer);
InitVertexBuffer(myVertexData->myStride, D3D11_USAGE_IMMUTABLE, 0);
InitIndexBuffer();
SetupVertexBuffer(myVertexData->myNumberOfVertices, myVertexData->myVertexData, aGPUContext);
SetupIndexBuffer(myIndexData->myNumberOfIndices, myIndexData->myIndexData, aGPUContext);
myTechniqueName = "Render";
}
void GPUData::Init(EffectID aEffect, int aIndexCount, char* aIndexData
, int aVertexCount, int aVertexStride, char* aVertexData, GPUContext& aGPUContext, AssetContainer& aAssetContainer)
{
InitInputLayout(aEffect, aGPUContext, aAssetContainer);
InitVertexBuffer(aVertexStride, D3D11_USAGE_IMMUTABLE, 0);
InitIndexBuffer();
SetupIndexBuffer(aIndexCount, aIndexData, aGPUContext);
SetupVertexBuffer(aVertexCount, aVertexData, aGPUContext);
myTechniqueName = "Render";
}
void Terrain::CreateVertices()
{
CU::GrowingArray<VertexPosNormUV> vertices(myHeightMap->myWidth * myHeightMap->myDepth);
CU::GrowingArray<int> indices(myHeightMap->myWidth * myHeightMap->myDepth * 6);
for (int z = 0; z < myHeightMap->myDepth; ++z)
{
for (int x = 0; x < myHeightMap->myWidth; ++x)
{
VertexPosNormUV vertex;
vertex.myPos.x = float(x) * mySize.x / float(myHeightMap->myWidth);
vertex.myPos.y = myHeightMap->myData[z * myHeightMap->myWidth + x] * myHeight / 255.f;
vertex.myPos.z = float(z) * mySize.y / float(myHeightMap->myDepth);
vertex.myUV.x = float(x) / float(myHeightMap->myWidth);
vertex.myUV.y = float(z) / float(myHeightMap->myDepth);
vertices.Add(vertex);
}
}
CalcNormals(vertices);
for (int z = 0; z < myHeightMap->myDepth - 1; ++z)
{
for (int x = 0; x < myHeightMap->myWidth - 1; ++x)
{
indices.Add(z * myHeightMap->myWidth + x);
indices.Add(z * myHeightMap->myWidth + x + 1);
indices.Add((z + 1) * myHeightMap->myWidth + x);
indices.Add((z + 1) * myHeightMap->myWidth + x);
indices.Add(z * myHeightMap->myWidth + x + 1);
indices.Add((z + 1) * myHeightMap->myWidth + x + 1);
}
}
SetupVertexBuffer(vertices.Size(), sizeof(VertexPosNormUV), reinterpret_cast<char*>(&vertices[0])
, "Terrain::VertexBuffer");
SetupIndexBuffer(indices.Size(), reinterpret_cast<char*>(&indices[0]), "Terrain::IndexBuffer");
mySurfaces[0]->SetVertexCount(vertices.Size());
mySurfaces[0]->SetIndexCount(indices.Size());
}
void Prism::Sprite::CreateVertices()
{
CU::GrowingArray<VertexPosUV> vertices(4);
CU::GrowingArray<int> indices(6);
float left = 0 - myHotspot.x;
float right = left + mySize.x;
float top = 0 + myHotspot.y;
float bottom = top - mySize.y;
VertexPosUV vert;
vert.myPos = { left, top, 0.0f };
vert.myUV = { 0.0f, 0.0f };
vertices.Add(vert);
vert.myPos = { right, bottom, 0.0f };
vert.myUV = { 1.0f, 1.0f };
vertices.Add(vert);
vert.myPos = { left, bottom, 0.0f };
vert.myUV = { 0.0f, 1.0f };
vertices.Add(vert);
vert.myPos = { right, top, 0.0f };
vert.myUV = { 1.0f, 0.0f };
vertices.Add(vert);
indices.Add(0);
indices.Add(1);
indices.Add(2);
indices.Add(0);
indices.Add(3);
indices.Add(1);
SetupVertexBuffer(vertices.Size(), sizeof(VertexPosUV), reinterpret_cast<char*>(&vertices[0]), "Sprite::VertexBuffer");
SetupIndexBuffer(indices.Size(), reinterpret_cast<char*>(&indices[0]), "Sprite::IndexBuffer");
mySurfaces[0]->SetVertexCount(vertices.Size());
mySurfaces[0]->SetIndexCount(indices.Size());
}
void GPUData::Init(EffectID aEffect, int aIndexCount, char* aIndexData, int aVertexCount, int aVertexStride, char* aVertexData)
{
const int size = myVertexFormat.Size();
D3D11_INPUT_ELEMENT_DESC* vertexDesc = new D3D11_INPUT_ELEMENT_DESC[size];
for (int i = 0; i < myVertexFormat.Size(); ++i)
{
vertexDesc[i] = *myVertexFormat[i];
}
InitInputLayout(vertexDesc, size, aEffect);
delete[] vertexDesc;
InitVertexBuffer(aVertexStride, D3D11_USAGE_IMMUTABLE, 0);
InitIndexBuffer();
SetupVertexBuffer(aVertexCount, aVertexData);
SetupIndexBuffer(aIndexCount, aIndexData);
myTechniqueName = "Render";
}
void GPUData::Init(EffectID aEffect)
{
const int size = myVertexFormat.Size();
D3D11_INPUT_ELEMENT_DESC* vertexDesc = new D3D11_INPUT_ELEMENT_DESC[size];
for (int i = 0; i < myVertexFormat.Size(); ++i)
{
vertexDesc[i] = *myVertexFormat[i];
}
InitInputLayout(vertexDesc, size, aEffect);
delete[] vertexDesc;
InitVertexBuffer(myVertexData->myStride, D3D11_USAGE_IMMUTABLE, 0);
InitIndexBuffer();
SetupVertexBuffer(myVertexData->myNumberOfVertices, myVertexData->myVertexData);
SetupIndexBuffer(myIndexData->myNumberOfIndices, myIndexData->myIndexData);
myTechniqueName = "Render";
}
void Prism::Text::ConstructBuffers()
{
//debug:
//CU::Vector2<float> myCharSize(16.f, 16.f);
//float myCharSpacing(0);
//debug end
int numOfLetters = myText.length();
float drawX = 0;
float drawY = 0;
float z = 1.f;
myVertices.RemoveAll();
myIndices.RemoveAll();
VertexPosUV vert;
for (int i = 0, row = 0; i < numOfLetters; ++i)
{
if (myText[i] == '\n')
{
drawX = 0;
drawY -= 48.f;
++row;
continue;
}
Font::CharacterData charData = myFont.GetCharData(myText[i]);
float left = drawX + charData.myOffset.x;
float right = left + charData.mySize.x;
float top = drawY + charData.myOffset.y;
float bottom = top - charData.mySize.y;
vert.myPos = CU::Vector3<float>(left, top, z);
vert.myUV = charData.myTopLeftUV;
myVertices.Add(vert);
vert.myPos = CU::Vector3<float>(right, bottom, z);
vert.myUV = charData.myBottomRightUV;
myVertices.Add(vert);
vert.myPos = CU::Vector3<float>(left, bottom, z);
vert.myUV = { charData.myTopLeftUV.x, charData.myBottomRightUV.y };
myVertices.Add(vert);
vert.myPos = CU::Vector3<float>(right, top, z);
vert.myUV = { charData.myBottomRightUV.x, charData.myTopLeftUV.y };
myVertices.Add(vert);
int startIndex = (i - row) * 4;
myIndices.Add(startIndex + 0);
myIndices.Add(startIndex + 1);
myIndices.Add(startIndex + 2);
myIndices.Add(startIndex + 0);
myIndices.Add(startIndex + 3);
myIndices.Add(startIndex + 1);
drawX += charData.myAdvanceX;
z -= 0.001f;
}
SetupVertexBuffer(myVertices.Size(), sizeof(VertexPosUV), reinterpret_cast<char*>(&myVertices[0]), "Text::VertexBuffer");
SetupIndexBuffer(myIndices.Size(), reinterpret_cast<char*>(&myIndices[0]), "Text::IndexBuffer");
mySurfaces[0]->SetVertexCount(myVertices.Size());
mySurfaces[0]->SetIndexCount(myIndices.Size());
//myTextWidth = drawX - myTextWidth;
}