Fancy Info Screen

launcher/src/client/available-feature-flags

@@ -61,3 +61,4 @@ TRUE Add Splashes
 TRUE Display Date In Select World Screen
 TRUE Optimized Chunk Sorting
 TRUE Disable Buggy Held Item Caching
+TRUE Add Info Button To Options

mods/CMakeLists.txt

@@ -32,12 +32,18 @@ set(SRC
     # options
     src/options/options.cpp
     src/options/ui.cpp
+    src/options/info.cpp
     # bucket
     src/bucket/bucket.cpp
     # cake
     src/cake/cake.cpp
     # home
     src/home/home.cpp
+    # touch
+    src/touch/touch.cpp
+    # text-input-box
+    src/text-input-box/TextInputBox.cpp
+    src/text-input-box/TextInputScreen.cpp
     # test
     src/test/test.cpp
     # init
@@ -83,8 +89,6 @@ else()
         src/input/crafting.cpp
         # sign
         src/sign/sign.cpp
-        # touch
-        src/touch/touch.cpp
         # atlas
         src/atlas/atlas.cpp
         # title-screen
@@ -98,9 +102,6 @@ else()
         # textures
         src/textures/textures.cpp
         src/textures/lava.cpp
-        # text-input-box
-        src/text-input-box/TextInputBox.cpp
-        src/text-input-box/TextInputScreen.cpp
         # fps
         src/fps/fps.cpp
     )

mods/include/mods/init/init.h

@@ -17,12 +17,12 @@ void init_sound();
 void init_input();
 void init_sign();
 void init_camera();
-void init_touch();
 void init_atlas();
 void init_title_screen();
 void init_skin();
 void init_fps();
 #endif
+void init_touch();
 void init_textures();
 void init_creative();
 void init_game_mode();

mods/src/chat/chat-internal.h

@@ -2,6 +2,8 @@
 
 #include <string>
 
+#include <symbols/minecraft.h>
+
 // Message Limitations
 #define MAX_CHAT_MESSAGE_LENGTH 256
 
@@ -9,11 +11,7 @@
 __attribute__((visibility("internal"))) std::string _chat_get_prefix(char *username);
 
 // Queue Message For Sending
-#ifndef MCPI_SERVER_MODE
+__attribute__((visibility("internal"))) void _chat_send_message(Minecraft *minecraft, const char *message);
-__attribute__((visibility("internal"))) void _chat_queue_message(const char *message);
-#endif
 
 // Init Chat UI
-#ifndef MCPI_HEADLESS_MODE
 __attribute__((visibility("internal"))) void _init_chat_ui();
-#endif

mods/src/chat/chat.cpp

@@ -1,21 +1,13 @@
-// Config Needs To Load First
-#include <libreborn/libreborn.h>
-
 #include <string>
 #include <cstring>
 #include <cstdio>
 #include <vector>
 
+#include <libreborn/libreborn.h>
 #include <symbols/minecraft.h>
-#ifndef MCPI_HEADLESS_MODE
-#include <media-layer/core.h>
-#endif
 
 #include <mods/init/init.h>
 #include <mods/feature/feature.h>
-#ifndef MCPI_HEADLESS_MODE
-#include <mods/input/input.h>
-#endif
 #include "chat-internal.h"
 #include <mods/chat/chat.h>
 
@@ -33,7 +25,6 @@ std::string chat_send_api_command(Minecraft *minecraft, std::string str) {
     }
 }
 
-#ifndef MCPI_HEADLESS_MODE
 // Send API Chat Command
 static void send_api_chat_command(Minecraft *minecraft, char *str) {
     char *command = nullptr;
@@ -41,7 +32,6 @@ static void send_api_chat_command(Minecraft *minecraft, char *str) {
     chat_send_api_command(minecraft, command);
     free(command);
 }
-#endif
 
 // Send Message To Players
 std::string _chat_get_prefix(char *username) {
@@ -87,25 +77,10 @@ static void ServerSideNetworkHandler_handle_ChatPacket_injection(ServerSideNetwo
     }
 }
 
-#ifndef MCPI_HEADLESS_MODE
+// Send Message
-// Message Queue
+void _chat_send_message(Minecraft *minecraft, const char *message) {
-static std::vector<std::string> queue;
+    send_api_chat_command(minecraft, (char *) message);
-// Add To Queue
-void _chat_queue_message(const char *message) {
-    // Add
-    std::string str = message;
-    queue.push_back(str);
 }
-// Empty Queue
-unsigned int old_chat_counter = 0;
-static void send_queued_messages(Minecraft *minecraft) {
-    // Loop
-    for (unsigned int i = 0; i < queue.size(); i++) {
-        send_api_chat_command(minecraft, (char *) queue[i].c_str());
-    }
-    queue.clear();
-}
-#endif
 
 // Init
 void init_chat() {
@@ -117,12 +92,8 @@ void init_chat() {
         overwrite_call((void *) 0x6b518, (void *) CommandServer_parse_CommandServer_dispatchPacket_injection);
         // Re-Broadcast ChatPacket
         patch_vtable(ServerSideNetworkHandler_handle_ChatPacket, ServerSideNetworkHandler_handle_ChatPacket_injection);
-#ifndef MCPI_HEADLESS_MODE
-        // Send Messages On Input Tick
-        input_run_on_tick(send_queued_messages);
         // Init UI
         _init_chat_ui();
-#endif
         // Disable Built-In Chat Message Limiting
         unsigned char message_limit_patch[4] = {0x03, 0x00, 0x53, 0xe1}; // "cmp r4, r4"
         patch((void *) 0x6b4c0, message_limit_patch);

mods/src/chat/ui.cpp

@@ -1,10 +1,5 @@
-// Config Needs To Load First
-#include <libreborn/libreborn.h>
-
-// Chat UI Code Is Useless In Headless Mode
-#ifndef MCPI_HEADLESS_MODE
-
 #include "chat-internal.h"
+#include <libreborn/libreborn.h>
 #include <mods/chat/chat.h>
 #include <mods/text-input-box/TextInputScreen.h>
 #include <mods/misc/misc.h>
@@ -94,7 +89,7 @@ CUSTOM_VTABLE(chat_screen, Screen) {
                     if (get_history().size() == 0 || text != get_history().back()) {
                         get_history().push_back(text);
                     }
-                    _chat_queue_message(text.c_str());
+                    _chat_send_message(super->minecraft, text.c_str());
                 }
                 Minecraft_setScreen(super->minecraft, nullptr);
             } else if (key == 0x26) {
@@ -158,5 +153,3 @@ void _init_chat_ui() {
         }
     });
 }
-
-#endif

mods/src/init/init.cpp

@@ -20,12 +20,12 @@ __attribute__((constructor)) static void init(int argc, char *argv[]) {
     init_input();
     init_sign();
     init_camera();
-    init_touch();
     init_atlas();
     init_title_screen();
     init_skin();
     init_fps();
 #endif
+    init_touch();
     init_textures();
     init_creative();
     init_game_mode();

mods/src/options/info.cpp

@@ -0,0 +1,278 @@
+#include <libreborn/libreborn.h>
+#include <symbols/minecraft.h>
+#include <GLES/gl.h>
+
+#include <mods/touch/touch.h>
+
+#include "options-internal.h"
+
+// Button IDs
+#define DISCORD_ID 0
+#define BACK_ID 1
+#define INFO_ID_START 2
+
+// Constants
+static int line_button_width = 80;
+static int line_button_height = 24;
+static int padding = 4;
+static int line_height = 8;
+static int bottom_padding = padding;
+static int inner_padding = padding;
+static int title_padding = 8;
+static int info_text_y_offset = (line_button_height - line_height) / 2;
+static int content_y_offset_top = (title_padding * 2) + line_height;
+static int content_y_offset_bottom = (bottom_padding * 2) + line_button_height;
+
+// Extra Version Info
+static std::string extra_version_info =
+#ifdef MCPI_IS_APPIMAGE_BUILD
+    "AppImage"
+#elif defined(MCPI_IS_FLATPAK_BUILD)
+    "Flatpak"
+#else
+    ""
+#endif
+    ;
+static std::string extra_version_info_full = !extra_version_info.empty() ? (" (" + extra_version_info + ")") : "";
+
+// Profile Directory
+static std::string profile_directory_suffix =
+#ifdef MCPI_IS_FLATPAK_BUILD
+    "/.var/app/" MCPI_APP_ID "/.minecraft-pi"
+#else
+    "/.minecraft-pi"
+#endif
+    ;
+static std::string get_profile_directory_url() {
+    const char *home = getenv("HOME");
+    if (home == nullptr) {
+        IMPOSSIBLE();
+    }
+    return std::string("file://") + home + profile_directory_suffix;
+}
+
+// Info Data
+#define MORE_INFO_TEXT "More Info"
+struct info_line {
+    std::string (*get_text)();
+    std::string button_url;
+    std::string button_text;
+};
+std::string info_sound_data_state = "N/A";
+static info_line info[] = {
+    {
+        .get_text = []() {
+            return std::string("Version: v") + reborn_get_version() + extra_version_info_full;
+        },
+        .button_url = "https://gitea.thebrokenrail.com/minecraft-pi-reborn/minecraft-pi-reborn/src/branch/master/docs/CHANGELOG.md",
+        .button_text = MORE_INFO_TEXT
+    },
+    {
+        .get_text = []() {
+            return std::string("Profile Directory");
+        },
+        .button_url = get_profile_directory_url(),
+        .button_text = "Open"
+    },
+    {
+        .get_text = []() {
+            return std::string("Sound Data: ") + info_sound_data_state;
+        },
+        .button_url = "https://gitea.thebrokenrail.com/minecraft-pi-reborn/minecraft-pi-reborn/src/branch/master/docs/SOUND.md",
+        .button_text = MORE_INFO_TEXT
+    },
+};
+#define info_size int(sizeof(info) / sizeof(info_line))
+
+// Positioned Info
+struct info_pos {
+    int x;
+    int y;
+};
+struct info_line_position {
+    info_pos text;
+    info_pos button;
+};
+static info_line_position positioned_info[info_size];
+static int content_height = 0;
+static void position_info(Font *font, int width, int height) {
+    // First Stage (Find Max Text Width)
+    int info_text_width = 0;
+    for (int i = 0; i < info_size; i++) {
+        std::string text = info[i].get_text();
+        int text_width = font->width(&text);
+        if (text_width > info_text_width) {
+            info_text_width = text_width;
+        }
+    }
+
+    // Second Stage (Initial Positioning)
+    int y = 0;
+    for (int i = 0; i < info_size; i++) {
+        // Padding
+        if (i != 0) {
+            y += padding;
+        }
+        // Y
+        positioned_info[i].button.y = y;
+        positioned_info[i].text.y = y + info_text_y_offset;
+        // X
+        positioned_info[i].button.x = info_text_width + padding;
+        positioned_info[i].text.x = 0;
+        // Advance
+        y += line_button_height;
+    }
+
+    // Third Stage (Centering)
+    int info_height = y;
+    int info_width = info_text_width + padding + line_button_width;
+    content_height = height - content_y_offset_top - content_y_offset_bottom;
+    int info_y_offset = ((content_height - info_height) / 2) + content_y_offset_top;
+    int info_x_offset = (width - info_width) / 2;
+    for (int i = 0; i < info_size; i++) {
+        positioned_info[i].button.x += info_x_offset;
+        positioned_info[i].button.y += info_y_offset;
+        positioned_info[i].text.x += info_x_offset;
+        positioned_info[i].text.y += info_y_offset;
+    }
+}
+
+// Open URL
+static void open_url(const std::string &url) {
+    int return_code;
+    const char *command[] = {"xdg-open", url.c_str(), nullptr};
+    char *output = run_command(command, &return_code, nullptr);
+    if (output != nullptr) {
+        free(output);
+    }
+    if (!is_exit_status_success(return_code)) {
+        WARN("Unable To Open URL: %s", url.c_str());
+    }
+}
+
+// Render Fancy Background
+static void render_background(Minecraft *minecraft, int x, int y, int width, int height) {
+    // https://github.com/ReMinecraftPE/mcpe/blob/f0d65eaecec1b3fe9c2f2b251e114a890c54ab77/source/client/gui/components/RolledSelectionList.cpp#L169-L179
+    std::string texture = "gui/background.png";
+    minecraft->textures->loadAndBindTexture(&texture);
+    Tesselator *t = &Tesselator_instance;
+    t->begin(7);
+    t->color(32, 32, 32, 255);
+    float x1 = x;
+    float x2 = x + width;
+    float y1 = y;
+    float y2 = y + height;
+    t->vertexUV(x1, y2, 0.0f, x1 / 32.0f, y2 / 32.0f);
+    t->vertexUV(x2, y2, 0.0f, x2 / 32.0f, y2 / 32.0f);
+    t->vertexUV(x2, y1, 0.0f, x2 / 32.0f, y1 / 32.0f);
+    t->vertexUV(x1, y1, 0.0f, x1 / 32.0f, y1 / 32.0f);
+    t->draw();
+}
+
+// Create VTable
+CUSTOM_VTABLE(info_screen, Screen) {
+    // Buttons
+    static Button *discord;
+    static Button *back;
+    static Button *info_buttons[info_size];
+    // Init
+    vtable->init = [](Screen *self) {
+        // Info
+        for (int i = 0; i < info_size; i++) {
+            Button *button = touch_create_button(INFO_ID_START + i, info[i].button_text);
+            self->rendered_buttons.push_back(button);
+            self->selectable_buttons.push_back(button);
+            info_buttons[i] = button;
+        }
+        // Discord Button
+        discord = touch_create_button(DISCORD_ID, "Discord");
+        self->rendered_buttons.push_back(discord);
+        self->selectable_buttons.push_back(discord);
+        // Back Button
+        back = touch_create_button(BACK_ID, "Back");
+        self->rendered_buttons.push_back(back);
+        self->selectable_buttons.push_back(back);
+    };
+    // Handle Back
+    vtable->handleBackEvent = [](Screen *self, bool do_nothing) {
+        if (!do_nothing) {
+            OptionsScreen *screen = alloc_OptionsScreen();
+            ALLOC_CHECK(screen);
+            screen->constructor();
+            self->minecraft->setScreen((Screen *) screen);
+        }
+        return true;
+    };
+    // Rendering
+    static Screen_render_t original_render = vtable->render;
+    vtable->render = [](Screen *self, int x, int y, float param_1) {
+        // Background
+        self->vtable->renderBackground(self);
+        // Gradient
+        render_background(self->minecraft, 0, content_y_offset_top, self->width, content_height);
+        // Call Original Method
+        original_render(self, x, y, param_1);
+        // Title
+        std::string title = "Reborn Information";
+        self->drawCenteredString(self->font, &title, self->width / 2, title_padding, 0xffffffff);
+        // Info Text
+        for (int i = 0; i < info_size; i++) {
+            std::string text = info[i].get_text();
+            self->drawString(self->font, &text, positioned_info[i].text.x, positioned_info[i].text.y, 0xffffffff);
+        }
+    };
+    // Positioning
+    vtable->setupPositions = [](Screen *self) {
+        // Height/Width
+        int width = 120;
+        discord->width = back->width = width;
+        discord->height = back->height = line_button_height;
+        // X/Y
+        discord->y = back->y = self->height - bottom_padding - line_button_height;
+        discord->x = (self->width / 2) - inner_padding - width;
+        back->x = (self->width / 2) + inner_padding;
+        // Info
+        position_info(self->font, self->width, self->height);
+        for (int i = 0; i < info_size; i++) {
+            Button *button = info_buttons[i];
+            button->width = line_button_width;
+            button->height = line_button_height;
+            button->x = positioned_info[i].button.x;
+            button->y = positioned_info[i].button.y;
+        }
+    };
+    // Cleanup
+    vtable->removed = [](Screen *self) {
+        for (Button *button : self->rendered_buttons) {
+            button->destructor_deleting();
+        }
+    };
+    // Handle Button Click
+    vtable->buttonClicked = [](Screen *self, Button *button) {
+        if (button->id == BACK_ID) {
+            // Back
+            self->handleBackEvent(false);
+        } else if (button->id == DISCORD_ID) {
+            // Open Discord Invite
+            open_url("https://discord.gg/mcpi-revival-740287937727561779");
+        } else if (button->id >= INFO_ID_START) {
+            // Open Info URL
+            int i = button->id - INFO_ID_START;
+            open_url(info[i].button_url);
+        }
+    };
+}
+
+// Create Screen
+Screen *_create_options_info_screen() {
+    // Allocate
+    Screen *screen = alloc_Screen();
+    ALLOC_CHECK(screen);
+    screen->constructor();
+
+    // Set VTable
+    screen->vtable = get_info_screen_vtable();
+
+    // Return
+    return screen;
+}

mods/src/options/options-internal.h

@@ -1,4 +1,7 @@
 #pragma once
 
+#include <symbols/minecraft.h>
+
 __attribute__((visibility("internal"))) void _init_options_ui();
 __attribute__((visibility("internal"))) extern Options *stored_options;
+__attribute__((visibility("internal"))) Screen *_create_options_info_screen();

mods/src/options/ui.cpp

@@ -1,4 +1,5 @@
 #include <string>
+#include <algorithm>
 
 #include <libreborn/libreborn.h>
 #include <symbols/minecraft.h>
@@ -89,6 +90,72 @@ static void OptionButton_toggle_Options_save_injection(Options *self) {
     Options_save(self);
 }
 
+// Add "Reborn" Info Button
+#define INFO_BUTTON_ID 99
+static void OptionsScreen_init_injection(OptionsScreen_init_t original, OptionsScreen *self) {
+    // Call Original Method
+    original(self);
+
+    // Add Button
+    Touch_TButton *button = alloc_Touch_TButton();
+    ALLOC_CHECK(button);
+    std::string name = "Reborn";
+    button->constructor(INFO_BUTTON_ID, &name);
+    self->rendered_buttons.push_back((Button *) button);
+    self->selectable_buttons.push_back((Button *) button);
+}
+static void OptionsScreen_setupPositions_injection(OptionsScreen_setupPositions_t original, OptionsScreen *self) {
+    // Call Original Method
+    original(self);
+
+    // Find Button
+    Button *prevButton = nullptr;
+    Button *button = nullptr;
+    for (Button *x : self->selectable_buttons) {
+        if (x->id == INFO_BUTTON_ID) {
+            button = x;
+            break;
+        }
+        prevButton = x;
+    }
+    if (button == nullptr || prevButton == nullptr) {
+        IMPOSSIBLE();
+    }
+
+    // Setup Button
+    button->width = prevButton->width;
+    button->height = prevButton->height;
+    button->x = prevButton->x;
+    button->y = prevButton->y + prevButton->height;
+}
+static void OptionsScreen_buttonClicked_injection(OptionsScreen_buttonClicked_t original, OptionsScreen *self, Button *button) {
+    // Check ID
+    if (button->id == INFO_BUTTON_ID) {
+        // Show Screen
+        self->minecraft->setScreen(_create_options_info_screen());
+    } else {
+        // Call Original Method
+        original(self, button);
+    }
+}
+static void OptionsScreen_removed_injection(OptionsScreen_removed_t original, OptionsScreen *self) {
+    // Delete Button
+    Button *button = nullptr;
+    for (Button *x : self->selectable_buttons) {
+        if (x->id == INFO_BUTTON_ID) {
+            button = x;
+            break;
+        }
+    }
+    if (button == nullptr) {
+        IMPOSSIBLE();
+    }
+    button->destructor_deleting();
+
+    // Call Original Method
+    original(self);
+}
+
 // Init
 void _init_options_ui() {
     // Fix Options Screen
@@ -115,4 +182,16 @@ void _init_options_ui() {
         // Fix Difficulty When Toggling
         overwrite_call((void *) 0x1cd00, (void *) OptionButton_toggle_Options_save_injection);
     }
+
+    // Info Button
+    if (feature_has("Add Info Button To Options", server_disabled)) {
+        // Add Button
+        overwrite_virtual_calls(OptionsScreen_init, OptionsScreen_init_injection);
+        // Position Button
+        overwrite_virtual_calls(OptionsScreen_setupPositions, OptionsScreen_setupPositions_injection);
+        // Handle Click
+        overwrite_virtual_calls(OptionsScreen_buttonClicked, OptionsScreen_buttonClicked_injection);
+        // Cleanup
+        overwrite_virtual_calls(OptionsScreen_removed, OptionsScreen_removed_injection);
+    }
 }

mods/src/sound/sound.cpp

@@ -11,6 +11,7 @@
 
 // Resolve Source File Path
 #define SOURCE_FILE_BASE "data/libminecraftpe.so"
+extern std::string info_sound_data_state;
 std::string _sound_get_source_file() {
     static bool source_loaded = false;
     static std::string source;
@@ -38,9 +39,11 @@ std::string _sound_get_source_file() {
             // Fail
             WARN("Audio Source File Doesn't Exist: " SOURCE_FILE_BASE " (See: https://gitea.thebrokenrail.com/minecraft-pi-reborn/minecraft-pi-reborn/src/branch/master/docs/SOUND.md)");
             source.assign("");
+            info_sound_data_state = "Missing";
         } else {
             // Set
             source.assign(path);
+            info_sound_data_state = "Loaded";
         }
 
         // Free

symbols/src/gui/components/Button.def

@@ -1,7 +1,7 @@
 extends GuiComponent;
 
 size 0x28;
-constructor (int param_1, std::string *text) = 0x1bc54;
+constructor (int id, std::string *text) = 0x1bc54;
 
 method int hovered(Minecraft *minecraft, int click_x, int click_y) = 0x1be2c;
 
@@ -10,3 +10,4 @@ property int height = 0x18;
 property int x = 0xc;
 property int y = 0x10;
 property std::string text = 0x1c;
+property int id = 0x20;

symbols/src/gui/components/GuiComponent.def

@@ -4,7 +4,7 @@ constructor () = 0x28204;
 vtable 0x1039b0;
 
 method void blit(int x_dest, int y_dest, int x_src, int y_src, int width_dest, int height_dest, int width_src, int height_src) = 0x282a4;
-method void drawCenteredString(Font *font, std::string *text, int x, int y, int color) = 0x2821c;
+method void drawCenteredString(Font *font, std::string *text, int x, int y, uint color) = 0x2821c;
-method void drawString(Font *font, std::string *text, int x, int y, int color) = 0x28284;
+method void drawString(Font *font, std::string *text, int x, int y, uint color) = 0x28284;
 method void fill(int x1, int y1, int x2, int y2, uint color) = 0x285f0;
 method void fillGradient(int x1, int y1, int x2, int y2, int color1, int color2) = 0x287c0;

symbols/src/gui/components/Touch_TButton.def

@@ -1,4 +1,4 @@
 extends Button;
 
 size 0x28;
-constructor (int param_1, std::string *text) = 0x1c168;
+constructor (int id, std::string *text) = 0x1c168;

symbols/src/gui/screens/OptionsScreen.def

@@ -1,3 +1,6 @@
 extends Screen;
 
 vtable 0x104978;
+
+size 0x70;
+constructor () = 0x35488;