276 lines
9.5 KiB
C++
276 lines
9.5 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2025 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/kernel/xenumerator.h"
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namespace xe {
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namespace kernel {
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XEnumerator::XEnumerator(KernelState* kernel_state, size_t items_per_enumerate,
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size_t item_size)
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: XObject(kernel_state, kObjectType),
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items_per_enumerate_(items_per_enumerate),
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item_size_(item_size) {}
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XEnumerator::~XEnumerator() = default;
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X_STATUS XEnumerator::Initialize(uint32_t user_index, uint32_t app_id,
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uint32_t open_message, uint32_t close_message,
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uint32_t flags, uint32_t extra_size,
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void** extra_buffer) {
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auto native_object = CreateNative(sizeof(X_KENUMERATOR) + extra_size);
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if (!native_object) {
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return X_STATUS_NO_MEMORY;
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}
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auto guest_object = reinterpret_cast<X_KENUMERATOR*>(native_object);
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guest_object->app_id = app_id;
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guest_object->open_message = open_message;
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guest_object->close_message = close_message;
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guest_object->user_index = user_index;
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guest_object->items_per_enumerate =
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static_cast<uint32_t>(items_per_enumerate_);
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guest_object->flags = flags;
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if (extra_buffer) {
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*extra_buffer =
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!extra_buffer ? nullptr : &native_object[sizeof(X_KENUMERATOR)];
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}
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extra_size_ = extra_size;
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return X_STATUS_SUCCESS;
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}
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X_STATUS XEnumerator::Initialize(uint32_t user_index, uint32_t app_id,
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uint32_t open_message, uint32_t close_message,
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uint32_t flags) {
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return Initialize(user_index, app_id, open_message, close_message, flags, 0,
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nullptr);
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}
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uint8_t* XStaticUntypedEnumerator::AppendItem() {
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size_t offset = buffer_.size();
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buffer_.resize(offset + item_size());
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item_count_++;
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return const_cast<uint8_t*>(&buffer_.data()[offset]);
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}
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uint32_t XStaticUntypedEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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const size_t actual_count =
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std::min(item_count_ - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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assert_false(buffer_size < item_size());
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const size_t available_count = buffer_size / item_size();
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const size_t size = actual_count * item_size();
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const size_t offset = current_item_ * item_size();
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// Some enumerators expect buffer_size to be respected for now assert.
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assert_false(actual_count > available_count);
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std::memcpy(buffer_data, buffer_.data() + offset, size);
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current_item_ += actual_count;
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if (written_count) {
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*written_count = static_cast<uint32_t>(actual_count);
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}
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return X_ERROR_SUCCESS;
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}
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uint32_t XAchievementEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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const size_t actual_count =
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std::min(items_.size() - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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const size_t available_count = buffer_size / item_size();
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// Unknown if buffer_size should be respected.
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assert_false(actual_count > available_count);
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auto details = reinterpret_cast<xam::X_ACHIEVEMENT_DETAILS*>(buffer_data);
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size_t string_offset =
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items_per_enumerate() * sizeof(xam::X_ACHIEVEMENT_DETAILS);
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auto string_buffer = StringBuffer{
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&buffer_data[string_offset],
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actual_count * xam::X_ACHIEVEMENT_DETAILS::kStringBufferSize};
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for (size_t i = 0; i < actual_count; ++i, ++current_item_) {
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const auto& item = items_[current_item_];
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details[i].id = item.id;
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details[i].label_ptr =
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!!(flags_ & 1) ? AppendString(string_buffer, item.label) : 0;
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details[i].description_ptr =
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!!(flags_ & 2) ? AppendString(string_buffer, item.description) : 0;
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details[i].unachieved_ptr =
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!!(flags_ & 4) ? AppendString(string_buffer, item.unachieved) : 0;
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details[i].image_id = item.image_id;
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details[i].gamerscore = item.gamerscore;
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details[i].unlock_time.high_part = item.unlock_time.high_part;
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details[i].unlock_time.low_part = item.unlock_time.low_part;
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details[i].flags = item.flags;
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}
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if (written_count) {
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*written_count = static_cast<uint32_t>(actual_count);
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}
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return X_ERROR_SUCCESS;
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}
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uint32_t XTitleEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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const size_t actual_count =
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std::min(items_.size() - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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const size_t available_count = buffer_size / item_size();
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// Unknown if buffer_size should be respected.
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assert_false(actual_count > available_count);
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auto details = reinterpret_cast<XTITLE_PLAYED*>(buffer_data);
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for (size_t i = 0; i < actual_count; ++i, ++current_item_) {
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const auto& item = items_[current_item_];
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details[i].base.title_id = item.id;
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details[i].base.achievements_count = item.achievements_count;
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details[i].base.achievements_unlocked = item.unlocked_achievements_count;
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details[i].base.gamerscore_total = item.gamerscore_amount;
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details[i].base.gamerscore_earned = item.title_earned_gamerscore;
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details[i].base.online_achievement_count =
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item.online_unlocked_achievements;
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details[i].base.all_avatar_awards.earned = item.all_avatar_awards.earned;
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details[i].base.all_avatar_awards.possible =
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item.all_avatar_awards.possible;
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details[i].base.male_avatar_awards.earned = item.male_avatar_awards.earned;
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details[i].base.male_avatar_awards.possible =
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item.male_avatar_awards.possible;
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details[i].base.female_avatar_awards.earned =
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item.female_avatar_awards.earned;
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details[i].base.female_avatar_awards.possible =
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item.female_avatar_awards.possible;
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details[i].base.flags = item.flags;
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// On console if title is played offline this field is set to 0.
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details[i].base.last_played = X_FILETIME((uint64_t)0);
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string_util::copy_and_swap_truncating((char16_t*)&details[i].title_name,
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item.title_name, 128);
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}
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if (written_count) {
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*written_count = static_cast<uint32_t>(actual_count);
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}
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return X_ERROR_SUCCESS;
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}
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uint32_t XUserStatsEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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size_t count = std::min(items_.size() - current_item_, items_per_enumerate());
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if (!count) {
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return X_ERROR_NO_MORE_FILES;
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}
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size_t size = count * item_size();
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return X_ERROR_SUCCESS;
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}
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uint32_t XMPCreateUserPlaylistEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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// Fixed 545408C0 freezing at main menu.
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std::memset(buffer_data, 0, buffer_size);
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const size_t actual_count =
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std::min(items_.size() - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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const size_t available_count = buffer_size / item_size();
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const size_t valid_count = std::min(actual_count, available_count);
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xam::XMP_USER_PLAYLIST_INFO* results =
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reinterpret_cast<xam::XMP_USER_PLAYLIST_INFO*>(buffer_data);
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std::copy_n(items_.begin() + current_item_, valid_count, results);
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current_item_ += valid_count;
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if (written_count) {
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*written_count = static_cast<uint32_t>(valid_count);
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}
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return X_ERROR_SUCCESS;
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}
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uint32_t ProfileEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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const size_t actual_count =
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std::min(items_.size() - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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// FFFE07D1 provides buffer_size of 0.
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xam::X_PROFILEENUMRESULT* profiles =
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reinterpret_cast<xam::X_PROFILEENUMRESULT*>(buffer_data);
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std::copy_n(items_.begin() + current_item_, actual_count, profiles);
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current_item_ += actual_count;
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if (written_count) {
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*written_count = static_cast<uint32_t>(actual_count);
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}
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return X_ERROR_SUCCESS;
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}
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uint32_t ContentEnumerator::WriteItems(uint8_t* buffer_data,
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uint32_t buffer_size,
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uint32_t* written_count) {
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const size_t actual_count =
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std::min(items_.size() - current_item_, items_per_enumerate());
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if (!actual_count) {
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return X_ERROR_NO_MORE_FILES;
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}
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// 4E4D07F0 does not respect buffer_size, possibly bug?
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xam::XCONTENT_DATA* contents =
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reinterpret_cast<xam::XCONTENT_DATA*>(buffer_data);
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std::copy_n(items_.begin() + current_item_, actual_count, contents);
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current_item_ += actual_count;
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if (written_count) {
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*written_count = static_cast<uint32_t>(actual_count);
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}
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return X_ERROR_SUCCESS;
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}
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} // namespace kernel
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} // namespace xe
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