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Optimized the bitwise_decoder.cpp

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This commit is contained in:
Mathias Wagner 2023-11-11 23:33:34 +01:00
parent 667695bbde
commit 82faa75073
Signed by: Mathias
GPG Key ID: B8DC354B0A1F5B44
1 changed files with 4 additions and 10 deletions
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14
bitwise_decoder.cpp
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@ -3,23 +3,17 @@
using namespace std; using namespace std;
#define MAX_INVENTORY_SIZE 10
class ItemManager { class ItemManager {
private:
std::vector<int> availableItems;
public: public:
ItemManager() {
availableItems = {1 << 0, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9};
}
bool isActivated(int index, int activatedItems) { bool isActivated(int index, int activatedItems) {
return index >= 0 && index < availableItems.size() && return index >= 0 && index < MAX_INVENTORY_SIZE && (activatedItems & (1 << index)) == (1 << index);
(activatedItems & availableItems[index]) == availableItems[index];
} }
std::vector<int> getInventory(int activatedItems) { std::vector<int> getInventory(int activatedItems) {
std::vector<int> activated; std::vector<int> activated;
for (size_t i = 0; i < availableItems.size(); ++i) for (size_t i = 0; i < MAX_INVENTORY_SIZE; i++)
if (isActivated(i, activatedItems)) activated.push_back(i + 1); if (isActivated(i, activatedItems)) activated.push_back(i + 1);
return activated; return activated;