void ChunkManager::Render() {
if (m_textureId != -1) {
m_renderer->BindTextureToShader(m_textureId, 0);
}
m_renderer->PushMatrix();
m_chunkMapMutex.lock();
std::map<ChunkCoordKey, Chunk*>::iterator it;
for (it = m_chunkMap.begin(); it != m_chunkMap.end(); ++it) {
Chunk* chunk = it->second;
if (chunk->IsLoaded()) {
glm::vec3 chunkCenter = chunk->GetCenter();
float chunkSize = Chunk::CHUNK_SIZE * Chunk::BLOCK_RENDER_SIZE;
if (m_renderer->CubeInFrustum(chunkCenter, chunkSize, chunkSize, chunkSize)) {
chunk->Render();
}
}
}
m_chunkMapMutex.unlock();
m_renderer->PopMatrix();
}
void Chunk::UpdateSurroundedFlag() {
Chunk* chunkXMinus = m_chunkManager->GetChunk(m_grid.x - 1, m_grid.y, m_grid.z);
Chunk* chunkXPlus = m_chunkManager->GetChunk(m_grid.x + 1, m_grid.y, m_grid.z);
Chunk* chunkYMinus = m_chunkManager->GetChunk(m_grid.x, m_grid.y - 1, m_grid.z);
Chunk* chunkYPlus = m_chunkManager->GetChunk(m_grid.x, m_grid.y + 1, m_grid.z);
Chunk* chunkZMinus = m_chunkManager->GetChunk(m_grid.x, m_grid.y, m_grid.z - 1);
Chunk* chunkZPlus = m_chunkManager->GetChunk(m_grid.x, m_grid.y, m_grid.z + 1);
if (chunkXMinus != nullptr && chunkXMinus->IsLoaded() && chunkXMinus->m_x_plus_full &&
chunkXPlus != nullptr && chunkXPlus->IsLoaded() && chunkXPlus->m_x_minus_full &&
chunkYMinus != nullptr && chunkYMinus->IsLoaded() && chunkYMinus->m_y_plus_full &&
chunkYPlus != nullptr && chunkYPlus->IsLoaded() && chunkYPlus->m_y_minus_full &&
chunkZMinus != nullptr && chunkZMinus->IsLoaded() && chunkZMinus->m_z_plus_full &&
chunkZPlus != nullptr && chunkZPlus->IsLoaded() && chunkZPlus->m_z_minus_full) {
m_surrounded = true;
} else {
m_surrounded = false;
}
}