1 // Copyright 2016 Citra Emulator Project
2 // Licensed under GPLv2 or any later version
3 // Refer to the license.txt file included.
4
5 #include <cstring>
6 #include <string>
7 #include <boost/crc.hpp>
8 #include "common/assert.h"
9 #include "common/logging/log.h"
10 #include "common/string_util.h"
11 #include "core/core.h"
12 #include "core/frontend/applets/mii_selector.h"
13 #include "core/hle/applets/mii_selector.h"
14 #include "core/hle/kernel/kernel.h"
15 #include "core/hle/kernel/shared_memory.h"
16 #include "core/hle/result.h"
17
18 ////////////////////////////////////////////////////////////////////////////////////////////////////
19
20 namespace HLE::Applets {
21
ReceiveParameter(const Service::APT::MessageParameter & parameter)22 ResultCode MiiSelector::ReceiveParameter(const Service::APT::MessageParameter& parameter) {
23 if (parameter.signal != Service::APT::SignalType::Request) {
24 LOG_ERROR(Service_APT, "unsupported signal {}", parameter.signal);
25 UNIMPLEMENTED();
26 // TODO(Subv): Find the right error code
27 return ResultCode(-1);
28 }
29
30 // The LibAppJustStarted message contains a buffer with the size of the framebuffer shared
31 // memory.
32 // Create the SharedMemory that will hold the framebuffer data
33 Service::APT::CaptureBufferInfo capture_info;
34 ASSERT(sizeof(capture_info) == parameter.buffer.size());
35
36 memcpy(&capture_info, parameter.buffer.data(), sizeof(capture_info));
37
38 using Kernel::MemoryPermission;
39 // Create a SharedMemory that directly points to this heap block.
40 framebuffer_memory = Core::System::GetInstance().Kernel().CreateSharedMemoryForApplet(
41 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
42 "MiiSelector Memory");
43
44 // Send the response message with the newly created SharedMemory
45 Service::APT::MessageParameter result;
46 result.signal = Service::APT::SignalType::Response;
47 result.buffer.clear();
48 result.destination_id = Service::APT::AppletId::Application;
49 result.sender_id = id;
50 result.object = framebuffer_memory;
51
52 SendParameter(result);
53 return RESULT_SUCCESS;
54 }
55
StartImpl(const Service::APT::AppletStartupParameter & parameter)56 ResultCode MiiSelector::StartImpl(const Service::APT::AppletStartupParameter& parameter) {
57 ASSERT_MSG(parameter.buffer.size() == sizeof(config),
58 "The size of the parameter (MiiConfig) is wrong");
59
60 memcpy(&config, parameter.buffer.data(), parameter.buffer.size());
61
62 using namespace Frontend;
63 frontend_applet = Core::System::GetInstance().GetMiiSelector();
64 ASSERT(frontend_applet);
65
66 MiiSelectorConfig frontend_config = ToFrontendConfig(config);
67 frontend_applet->Setup(frontend_config);
68
69 is_running = true;
70 return RESULT_SUCCESS;
71 }
72
Update()73 void MiiSelector::Update() {
74 using namespace Frontend;
75 const MiiSelectorData& data = frontend_applet->ReceiveData();
76 result.return_code = data.return_code;
77 result.selected_mii_data = data.mii;
78 // Calculate the checksum of the selected Mii, see https://www.3dbrew.org/wiki/Mii#Checksum
79 result.mii_data_checksum = boost::crc<16, 0x1021, 0, 0, false, false>(
80 &result.selected_mii_data, sizeof(HLE::Applets::MiiData) + sizeof(result.unknown1));
81 result.selected_guest_mii_index = 0xFFFFFFFF;
82
83 // TODO(Subv): We're finalizing the applet immediately after it's started,
84 // but we should defer this call until after all the input has been collected.
85 Finalize();
86 }
87
Finalize()88 void MiiSelector::Finalize() {
89 // Let the application know that we're closing
90 Service::APT::MessageParameter message;
91 message.buffer.resize(sizeof(MiiResult));
92 std::memcpy(message.buffer.data(), &result, message.buffer.size());
93 message.signal = Service::APT::SignalType::WakeupByExit;
94 message.destination_id = Service::APT::AppletId::Application;
95 message.sender_id = id;
96 SendParameter(message);
97
98 is_running = false;
99 }
100
GetStandardMiiResult()101 MiiResult MiiSelector::GetStandardMiiResult() {
102 // This data was obtained by writing the returned buffer in AppletManager::GlanceParameter of
103 // the LLEd Mii picker of version system version 11.8.0 to a file and then matching the values
104 // to the members of the MiiResult struct
105 MiiData mii_data;
106 mii_data.mii_id = 0x03001030;
107 mii_data.system_id = 0xD285B6B300C8850A;
108 mii_data.specialness_and_creation_date = 0x98391EE4;
109 mii_data.creator_mac = {0x40, 0xF4, 0x07, 0xB7, 0x37, 0x10};
110 mii_data.padding = 0x0;
111 mii_data.mii_information = 0xA600;
112 mii_data.mii_name = {'C', 'i', 't', 'r', 'a', 0x0, 0x0, 0x0, 0x0, 0x0};
113 mii_data.width_height = 0x4040;
114 mii_data.appearance_bits1.raw = 0x0;
115 mii_data.appearance_bits2.raw = 0x0;
116 mii_data.hair_style = 0x21;
117 mii_data.appearance_bits3.hair_color.Assign(0x1);
118 mii_data.appearance_bits3.flip_hair.Assign(0x0);
119 mii_data.unknown1 = 0x02684418;
120 mii_data.appearance_bits4.eyebrow_style.Assign(0x6);
121 mii_data.appearance_bits4.eyebrow_color.Assign(0x1);
122 mii_data.appearance_bits5.eyebrow_scale.Assign(0x4);
123 mii_data.appearance_bits5.eyebrow_yscale.Assign(0x3);
124 mii_data.appearance_bits6 = 0x4614;
125 mii_data.unknown2 = 0x81121768;
126 mii_data.allow_copying = 0x0D;
127 mii_data.unknown3 = {0x0, 0x0, 0x29, 0x0, 0x52, 0x48, 0x50};
128 mii_data.author_name = {'f', 'l', 'T', 'o', 'b', 'i', 0x0, 0x0, 0x0, 0x0};
129
130 MiiResult result;
131 result.return_code = 0x0;
132 result.is_guest_mii_selected = 0x0;
133 result.selected_guest_mii_index = 0xFFFFFFFF;
134 result.selected_mii_data = mii_data;
135 result.unknown1 = 0x0;
136 result.mii_data_checksum = 0x056C;
137 result.guest_mii_name.fill(0x0);
138
139 return result;
140 }
141
ToFrontendConfig(const MiiConfig & config) const142 Frontend::MiiSelectorConfig MiiSelector::ToFrontendConfig(const MiiConfig& config) const {
143 Frontend::MiiSelectorConfig frontend_config;
144 frontend_config.enable_cancel_button = config.enable_cancel_button == 1;
145 frontend_config.title = Common::UTF16BufferToUTF8(config.title);
146 frontend_config.initially_selected_mii_index = config.initially_selected_mii_index;
147 return frontend_config;
148 }
149 } // namespace HLE::Applets
150