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#include "shared/pch.hh"
#include "shared/world/dimension.hh"
#include "shared/world/chunk.hh"
#include "shared/world/voxel_registry.hh"
#include "shared/coord.hh"
#include "shared/globals.hh"
Dimension::Dimension(std::string_view name, float gravity)
{
m_name = name;
m_gravity = gravity;
}
Dimension::~Dimension(void)
{
for(const auto it : m_chunkmap)
delete it.second;
entities.clear();
chunks.clear();
}
std::string_view Dimension::get_name(void) const
{
return m_name;
}
float Dimension::get_gravity(void) const
{
return m_gravity;
}
Chunk* Dimension::create_chunk(const chunk_pos& cpos)
{
auto it = m_chunkmap.find(cpos);
if(it != m_chunkmap.cend()) {
// Chunk already exists
return it->second;
}
auto entity = chunks.create();
auto chunk = new Chunk(entity, this);
auto& component = chunks.emplace<ChunkComponent>(entity);
component.chunk = chunk;
component.cpos = cpos;
ChunkCreateEvent event;
event.dimension = this;
event.chunk = chunk;
event.cpos = cpos;
globals::dispatcher.trigger(event);
return m_chunkmap.insert_or_assign(cpos, std::move(chunk)).first->second;
}
Chunk* Dimension::find_chunk(entt::entity entity) const
{
if(chunks.valid(entity)) {
return chunks.get<ChunkComponent>(entity).chunk;
}
else {
return nullptr;
}
}
Chunk* Dimension::find_chunk(const chunk_pos& cpos) const
{
auto it = m_chunkmap.find(cpos);
if(it != m_chunkmap.cend()) {
return it->second;
}
else {
return nullptr;
}
}
void Dimension::remove_chunk(entt::entity entity)
{
if(chunks.valid(entity)) {
auto& component = chunks.get<ChunkComponent>(entity);
m_chunkmap.erase(component.cpos);
chunks.destroy(entity);
}
}
void Dimension::remove_chunk(const chunk_pos& cpos)
{
auto it = m_chunkmap.find(cpos);
if(it != m_chunkmap.cend()) {
chunks.destroy(it->second->get_entity());
m_chunkmap.erase(it);
}
}
void Dimension::remove_chunk(Chunk* chunk)
{
if(chunk) {
const auto& component = chunks.get<ChunkComponent>(chunk->get_entity());
m_chunkmap.erase(component.cpos);
chunks.destroy(chunk->get_entity());
}
}
const Voxel* Dimension::get_voxel(const voxel_pos& vpos) const
{
auto cpos = coord::to_chunk(vpos);
auto lpos = coord::to_local(vpos);
if(auto chunk = find_chunk(cpos)) {
return chunk->get_voxel(lpos);
}
return nullptr;
}
const Voxel* Dimension::get_voxel(const chunk_pos& cpos, const local_pos& lpos) const
{
// This allows accessing get_voxel with negative
// local coordinates that usually would result in an
// out-of-range values; this is useful for per-voxel update logic
return get_voxel(coord::to_voxel(cpos, lpos));
}
bool Dimension::set_voxel(const Voxel* voxel, const voxel_pos& vpos)
{
auto cpos = coord::to_chunk(vpos);
auto lpos = coord::to_local(vpos);
if(auto chunk = find_chunk(cpos)) {
if(auto old_voxel = chunk->get_voxel(lpos)) {
if(old_voxel != voxel) {
// Notify the old voxel that it is
// being replaced with a different voxel
old_voxel->on_remove(this, vpos);
}
}
chunk->set_voxel(voxel, lpos);
if(voxel) {
// If we're not placing air, notify the
// new voxel that it has been placed
voxel->on_place(this, vpos);
}
VoxelSetEvent event;
event.dimension = this;
event.voxel = voxel;
event.cpos = cpos;
event.lpos = lpos;
event.chunk = chunk;
globals::dispatcher.trigger(event);
return true;
}
return false;
}
bool Dimension::set_voxel(const Voxel* voxel, const chunk_pos& cpos, const local_pos& lpos)
{
// This allows accessing set_voxel with negative
// local coordinates that usually would result in an
// out-of-range values; this is useful for per-voxel update logic
return set_voxel(voxel, coord::to_voxel(cpos, lpos));
}
void Dimension::init(ConfigMap& config)
{
}
void Dimension::init_late(std::uint64_t global_seed)
{
}
bool Dimension::generate(const chunk_pos& cpos, VoxelStorage& voxels)
{
return false;
}
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