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#include "CpuMesh.hpp"
#include <cstring>
StandardCpuMesh::StandardCpuMesh()
: mGpuMesh(new GpuMesh()) {
mGpuMesh->vertFormat = gVformatStandard;
mGpuMesh->vertBufBindings.SetBinding(0, new GpuVertexBuffer());
mGpuMesh->vertBufBindings.SetBinding(1, new GpuVertexBuffer());
mGpuMesh->indexBuf.Attach(new GpuIndexBuffer());
}
StandardCpuMesh::~StandardCpuMesh() {
delete mData;
}
void StandardCpuMesh::CreateCpuData() {
if (!mData) {
mData = new StandardCpuMeshData();
}
}
GpuVertexBuffer* StandardCpuMesh::GetPosBuffer() const {
return mGpuMesh->vertBufBindings.bindings[0].Get();
}
GpuVertexBuffer* StandardCpuMesh::GetExtraBuffer() const {
return mGpuMesh->vertBufBindings.bindings[1].Get();
}
bool StandardCpuMesh::UpdatePositions(glm::vec3* pos, size_t count, size_t startVertIndex) {
if (mData) {
std::memcpy(&mData->vertPositions[startVertIndex], pos, count * sizeof(glm::vec3));
}
auto posBuf = GetPosBuffer();
glBindBuffer(GL_ARRAY_BUFFER, posBuf->handle);
glBufferSubData(GL_ARRAY_BUFFER, startVertIndex * mGpuMesh->vertFormat->vertexSize, count * sizeof(glm::vec3), pos);
return true;
}
bool StandardCpuMesh::UpdateColors(RgbaColor* color, size_t count, size_t starVertIndex) {
if (!mData) return false;
// TODO
}
bool StandardCpuMesh::UpdateNormals(glm::vec2* normals, size_t count, size_t startVertIndex) {
if (!mData) return false;
// TODO
}
bool StandardCpuMesh::UpdateIndices(uint32_t* indices, size_t count, size_t startVertIndex) {
if (!mData) return false;
// TODO
}
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