#include "common/block/BlockRegistry.h"

BlockRegistry::BlockRegistry() {
    add("air", BlockBuilder().test());
    add("stone", BlockBuilder().test());
    add("dirt", BlockBuilder().test());
    add("grass", BlockBuilder().test());
}

void BlockRegistry::add(const char* registry, const BlockBuilder& builder) {
    u16 id = blocks.size();
    blocks.emplace_back(id, registry, builder);
    registryToId[registry] = id;
}

const Block& BlockRegistry::getBlock(const HashedString& registry) const {
    auto iter = registryToId.find(registry);
    if(iter == registryToId.end()) {
        return blocks[0];
    }
    return getBlock(iter->second);
}

const Block& BlockRegistry::getBlock(u16 id) const {
    if(id < blocks.size()) {
        return blocks[id];
    }
    return blocks[0];
}

size_t BlockRegistry::Hasher::operator()(const HashedString& key) const {
    return key.hashCode();
}