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Séparation Chunk::Update et VertexBuffer::SetMeshData, Cleanup

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This commit is contained in:
MarcEricMartel
2021-12-13 23:24:12 -05:00
parent 7eb9f44d41
commit e8a9cbb96e
7 changed files with 72 additions and 55 deletions
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20
SQCSim2021/chunk.cpp
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@@ -124,34 +124,38 @@ void Chunk::CheckNeighbors(int x, int z, World* world) {
void Chunk::GetPosition(int& x, int& y) const { x = m_posX; y = m_posY; }
void Chunk::FlushMeshToVBO() {
m_vertexBuffer.SetMeshData(m_vd, m_vcount);
m_vcount = 0;
delete[] m_vd;
}
void Chunk::Update(BlockInfo* blockinfo[BTYPE_LAST], World* world) {
float u, v, s;
// Update mesh
if (m_isDirty) {
int maxVertexCount = (CHUNK_SIZE_X * CHUNK_SIZE_Y * CHUNK_SIZE_Z) * (6 * 4);
VertexBuffer::VertexData* vd = new VertexBuffer::VertexData[maxVertexCount];
int count = 0;
m_vd = new VertexBuffer::VertexData[maxVertexCount];
m_vcount = 0;
for (int x = 0; x < CHUNK_SIZE_X; ++x) {
for (int z = 0; z < CHUNK_SIZE_Z; ++z) {
for (int y = 0; y < CHUNK_SIZE_Y; ++y) {
if (count > USHRT_MAX)
if (m_vcount > USHRT_MAX)
break;
BlockType bt = GetBlock(x, y, z);
if (bt != BTYPE_AIR) {
blockinfo[bt]->GetTexture(u, v, s);
AddBlockToMesh(vd, count, bt, x, y, z, u, v, s, world);
AddBlockToMesh(m_vd, m_vcount, bt, x, y, z, u, v, s, world);
}
}
}
}
if (count > USHRT_MAX) {
count = USHRT_MAX;
if (m_vcount > USHRT_MAX) {
m_vcount = USHRT_MAX;
std::cout << "[ Chunk :: Update ] Chunk data truncaned , too much vertices to have a 16 bit index " << std::endl;
}
m_vertexBuffer.SetMeshData(vd, count);
delete[] vd;
}
m_isDirty = false;
}