800th Commit! Regenerating gui_blocks And Performance Fixes

dependencies/runtime/src

@@ -1 +1 @@
-Subproject commit c13072404d3bb7ffe6b58fea72393c305c1f5eab
+Subproject commit 377f9ddbc4747ca3a640231d259c0e6fcc71b4b0

docs/CHANGELOG.md

@@ -76,8 +76,11 @@
   * `Force Survival Mode Inventory Behavior` (Disabled By Default)
   * `Maximize Creative Mode Inventory Stack Size` (Disabled By Default)
 * Rename `Disable Buggy Held Item Caching` Feature Flag To `Fix Held Item Caching`
+* Rename `Disable 'gui_blocks' Atlas` Feature Flag To `Regenerate "gui_blocks" Atlas`
 * Add Milk Buckets
   * Included In The `Add Buckets` Feature Flag
+* Removed `Property Scale Animated Textures` Feature Flag
+* Removed `Remove Invalid Item Background` Feature Flag
 * Improve Death Messages
 * Massive Build System Improvements
 * Fix Item Dropping When Killing Players From The Server Console
@@ -277,7 +280,7 @@
 
 **2.2.11**
 * Add `Close Current Screen On Death` Feature Flag (Enabled By Default) To Prevent Bugs
-* Fix More Furnace UI Bugs When Using "Disable 'gui_blocks' Atlas"
+* Fix More Furnace UI Bugs When Using `Disable 'gui_blocks' Atlas`
 
 **2.2.10**
 * Fix Bug With Picking Up Items In "Remove Creative Mode Restrictions" Mode

launcher/src/bootstrap.cpp

@@ -4,6 +4,7 @@
 #include <vector>
 
 #include <libreborn/libreborn.h>
+#include <trampoline/types.h>
 
 #include "util.h"
 #include "bootstrap.h"
@@ -179,7 +180,7 @@ void bootstrap(const options_t &options) {
     // Fix QEMU Bug
 #ifdef MCPI_RUNTIME_IS_QEMU
     args.push_back("-B");
-    args.push_back("0x40000"); // Arbitrary Value (Aligns To 4k And 16k Page Sizes)
+    args.push_back(std::to_string(QEMU_GUEST_BASE));
 #endif
 
     // Specify MCPI Binary

launcher/src/client/available-feature-flags

@@ -15,8 +15,7 @@ FALSE Maximize Creative Mode Inventory Stack Size
 TRUE Animated Water
 TRUE Animated Lava
 TRUE Animated Fire
-TRUE Remove Invalid Item Background
+TRUE Regenerate "gui_blocks" Atlas
-TRUE Disable "gui_blocks" Atlas
 TRUE Fix Camera Rendering
 TRUE Implement Chat
 FALSE Hide Chat Messages
@@ -102,7 +101,6 @@ TRUE Log Chat Messages
 TRUE Log Game Status
 TRUE Screenshot Support
 TRUE Fix Camera Functionality
-TRUE Property Scale Animated Textures
 TRUE Allow High-Resolution Title
 TRUE Improved Classic Title Positioning
 TRUE Use Updated Title

media-layer/core/CMakeLists.txt

@@ -7,6 +7,7 @@ set(CORE_SRC
     src/cursor.cpp
     src/util.cpp
     src/events.cpp
+    src/offscreen.cpp
     src/audio/api.cpp
     src/audio/engine.c
     src/audio/file.cpp

media-layer/core/src/base.cpp

@@ -2,7 +2,6 @@
 
 #include <SDL/SDL.h>
 
-#include <media-layer/core.h>
 #include <libreborn/libreborn.h>
 
 #include "media.h"
@@ -37,7 +36,3 @@ int media_SDL_PushEvent(SDL_Event *event) {
     queue.push_back(*event);
     return 1;
 }
-
-void media_ensure_loaded() {
-    // NOP
-}

media-layer/core/src/offscreen.cpp

@@ -0,0 +1,40 @@
+#include "media.h"
+
+#include <GLES/gl.h>
+
+// Offscreen Rendering
+static GLFWwindow *offscreen_window = nullptr;
+void media_begin_offscreen_render(const int width, const int height) {
+    if (!glfw_window) {
+        IMPOSSIBLE();
+    }
+    // Setup GLFW
+    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
+    glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE);
+    glfwWindowHint(GLFW_ALPHA_BITS, 8);
+    glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
+    glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);
+    // Open Window
+    offscreen_window = glfwCreateWindow(width, height, "Offscreen Rendering", nullptr, nullptr);
+    if (!offscreen_window) {
+        ERR("Unable To Create Offscreen Window");
+    }
+    // Switch Context
+    glfwMakeContextCurrent(offscreen_window);
+    media_context_id++;
+    // Check Framebuffer Size
+    int fb_width;
+    int fb_height;
+    glfwGetFramebufferSize(offscreen_window, &fb_width, &fb_height);
+    if (fb_width != width || fb_height != height) {
+        ERR("Offscreen Framebuffer Has Invalid Size");
+    }
+}
+void media_end_offscreen_render() {
+    // Destroy Window
+    glfwDestroyWindow(offscreen_window);
+    offscreen_window = nullptr;
+    // Switch Context
+    glfwMakeContextCurrent(glfw_window);
+    media_context_id++;
+}

media-layer/gles/src/passthrough.cpp

@@ -5,15 +5,21 @@
 #include <libreborn/libreborn.h>
 
 // Load GL Function
-static char *gl_dlerror() {
+unsigned int media_context_id = 0;
-    return (char *) "Unknown Error";
+#define GL_FUNC(name, return_type, args) \
-}
+    typedef return_type (*real_##name##_t)args; \
-#define dlerror gl_dlerror
+    __attribute__((__unused__)) static real_##name##_t real_##name() { \
-static void *gl_dlsysm(__attribute__((unused)) void *handle, __attribute__((unused)) const char *name) {
+        static real_##name##_t func = nullptr; \
-    return (void *) glfwGetProcAddress(name);
+        static unsigned int old_context = 0; \
-}
+        if (!func || old_context != media_context_id) { \
-#define dlsym gl_dlsysm
+            old_context = media_context_id; \
-#define GL_FUNC EXTERNAL_FUNC
+            func = (real_##name##_t) glfwGetProcAddress(#name); \
+            if (!func) { \
+                ERR("Error Resolving OpenGL Function: " #name); \
+            } \
+        } \
+        return func; \
+    }
 
 // Passthrough Functions
 GL_FUNC(glFogfv, void, (GLenum pname, const GLfloat *params))
@@ -36,10 +42,6 @@ GL_FUNC(glDrawArrays, void, (GLenum mode, GLint first, GLsizei count))
 void media_glDrawArrays(const GLenum mode, const GLint first, const GLsizei count) {
     real_glDrawArrays()(mode, first, count);
 }
-GL_FUNC(glMultiDrawArraysEXT, void, (GLenum mode, const GLint *first, const GLsizei *count, GLsizei drawcount))
-void media_glMultiDrawArrays(const GLenum mode, const GLint *first, const GLsizei *count, const GLsizei drawcount) {
-    real_glMultiDrawArraysEXT()(mode, first, count, drawcount);
-}
 GL_FUNC(glColor4f, void, (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha))
 void media_glColor4f(const GLfloat red, const GLfloat green, const GLfloat blue, const GLfloat alpha) {
     real_glColor4f()(red, green, blue, alpha);
@@ -244,3 +246,9 @@ GL_FUNC(glLightModelfv, void, (GLenum pname, const GLfloat *params))
 void media_glLightModelfv(const GLenum pname, const GLfloat *params) {
     real_glLightModelfv()(pname, params);
 }
+
+// GL_EXT_multi_draw_arrays
+GL_FUNC(glMultiDrawArraysEXT, void, (GLenum mode, const GLint *first, const GLsizei *count, GLsizei drawcount))
+void media_glMultiDrawArrays(const GLenum mode, const GLint *first, const GLsizei *count, const GLsizei drawcount) {
+    real_glMultiDrawArraysEXT()(mode, first, count, drawcount);
+}

media-layer/include/GLES/gl.h

@@ -99,6 +99,7 @@ extern "C" {
 #define GL_FRONT_AND_BACK 0x408
 #define GL_AMBIENT_AND_DIFFUSE 0x1602
 #define GL_LIGHT_MODEL_AMBIENT 0xb53
+#define GL_STREAM_DRAW 0x88e0
 
 typedef float GLfloat;
 typedef float GLclampf;
@@ -176,6 +177,8 @@ void media_glLightfv(GLenum light, GLenum pname, const GLfloat *params);
 void media_glColorMaterial(GLenum face, GLenum mode);
 void media_glLightModelfv(GLenum pname, const GLfloat *params);
 
+extern unsigned int media_context_id;
+
 #ifdef __cplusplus
 }
 #endif

media-layer/include/media-layer/core.h

@@ -12,8 +12,6 @@ extern "C" {
 #define USER_EVENT_CHARACTER 0 // data1 = 8-Bit Character
 #define USER_EVENT_REAL_KEY 1 // data1 = SDL_RELEASED/PRESSED, data2 = GLFW Key Code
 
-void media_ensure_loaded();
-
 void media_toggle_fullscreen();
 void media_swap_buffers();
 void media_cleanup();
@@ -23,6 +21,8 @@ void media_disable_vsync();
 void media_force_egl();
 void media_set_raw_mouse_motion_enabled(int enabled);
 int media_has_extension(const char *name);
+void media_begin_offscreen_render(int width, int height);
+void media_end_offscreen_render();
 
 #ifdef __cplusplus
 }

media-layer/trampoline/src/GLESv1_CM.cpp

@@ -29,12 +29,13 @@ struct gl_array_details_t {
     uint32_t pointer = 0;
 };
 #ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
-struct {
+struct gl_array_details_obj_t {
     gl_array_details_t media_glVertexPointer;
     gl_array_details_t media_glColorPointer;
     gl_array_details_t media_glTexCoordPointer;
     gl_array_details_t media_glNormalPointer;
-} gl_array_details;
+};
+static gl_array_details_obj_t gl_array_details;
 #endif
 struct gl_state_t {
     GLuint bound_array_buffer = 0;
@@ -86,6 +87,22 @@ struct gl_state_t {
 static gl_state_t gl_state;
 #endif
 
+// Backup/Restore State (For Offscreen Rendering)
+#ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
+static gl_state_t gl_state_backup;
+static gl_array_details_obj_t gl_array_details_backup;
+void _media_backup_gl_state() {
+    gl_state_backup = gl_state;
+    gl_array_details_backup = gl_array_details;
+    gl_state = gl_state_t();
+    gl_array_details = gl_array_details_obj_t();
+}
+void _media_restore_gl_state() {
+    gl_state = gl_state_backup;
+    gl_array_details = gl_array_details_backup;
+}
+#endif
+
 // 'pointer' Is Only Supported As An Integer, Not As An Actual Pointer
 #ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
 #define CALL_GL_POINTER(unique_id, name) \
@@ -184,12 +201,25 @@ CALL(17, media_glClear, void, (GLbitfield mask))
 
 CALL(18, media_glBufferData, void, (GLenum target, GLsizeiptr size, const void *data, GLenum usage))
 #ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
+    static bool use_syscall = getenv(TRAMPOLINE_ARGUMENTS_PIPE_ENV) == nullptr;
+    if (use_syscall) {
+        trampoline(false, gl_state.bound_array_buffer, target, int32_t(size), uint32_t(data), usage);
+    } else {
         trampoline(true, gl_state.bound_array_buffer, target, int32_t(size), copy_array(size, (unsigned char *) data), usage);
+    }
 #else
     media_glBindBuffer(GL_ARRAY_BUFFER, args.next<GLuint>());
     GLenum target = args.next<GLenum>();
     int32_t size = args.next<int32_t>();
+#ifdef MCPI_RUNTIME_IS_QEMU
+    const unsigned char *data = nullptr;
+    uint32_t data_addr = args.next<uint32_t>();
+    if (data_addr != 0) {
+        data = (const unsigned char *) (uintptr_t) (QEMU_GUEST_BASE + data_addr);
+    }
+#else
     const unsigned char *data = args.next_arr<unsigned char>();
+#endif
     GLenum usage = args.next<GLenum>();
     func(target, size, data, usage);
     return 0;
@@ -768,13 +798,24 @@ CALL(67, media_glGenBuffers, void, (GLsizei n, GLuint *buffers))
 
 CALL(69, media_glBufferSubData, void, (GLenum target, GLintptr offset, GLsizeiptr size, const void *data))
 #ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
-    trampoline(true, gl_state.bound_array_buffer, target, int32_t(offset), int32_t(size), copy_array(size, (unsigned char *) data));
+    static bool use_syscall = getenv(TRAMPOLINE_ARGUMENTS_PIPE_ENV) == nullptr;
+    if (use_syscall) {
+        trampoline(false, gl_state.bound_array_buffer, target, int32_t(offset), int32_t(size), uint32_t(data));
+    } else {
+        trampoline(true, gl_state.bound_array_buffer, target, int32_t(offset), copy_array(size, (unsigned char *) data));
+    }
 #else
     media_glBindBuffer(GL_ARRAY_BUFFER, args.next<GLuint>());
     GLenum target = args.next<GLenum>();
     int32_t offset = args.next<int32_t>();
+#ifdef MCPI_RUNTIME_IS_QEMU
     int32_t size = args.next<int32_t>();
-    const unsigned char *data = args.next_arr<unsigned char>();
+    uint32_t data_addr = args.next<uint32_t>();
+    const unsigned char *data = (const unsigned char *) (uintptr_t) (QEMU_GUEST_BASE + data_addr);
+#else
+    uint32_t size;
+    const unsigned char *data = args.next_arr<unsigned char>(&size);
+#endif
     func(target, offset, size, data);
     return 0;
 #endif

media-layer/trampoline/src/guest/guest.cpp

@@ -67,10 +67,7 @@ static uint32_t trampoline_pipe(const uint32_t id, const bool allow_early_return
 // Main Function
 uint32_t _raw_trampoline(const uint32_t id, const bool allow_early_return, const uint32_t length, const unsigned char *args) {
     // Configure Method
-    static int use_syscall = -1;
+    static bool use_syscall = getenv(TRAMPOLINE_ARGUMENTS_PIPE_ENV) == nullptr;
-    if (use_syscall == -1) {
-        use_syscall = getenv(TRAMPOLINE_ARGUMENTS_PIPE_ENV) == nullptr;
-    }
     // Use Correct Method
     if (use_syscall) {
         return trampoline_syscall(id, length, args);

media-layer/trampoline/src/guest/guest.h

@@ -65,3 +65,7 @@ unsigned int _trampoline(const unsigned int id, const bool allow_early_return, A
 #define CALL(unique_id, name, return_type, args) \
     return_type name args { \
         static unsigned char _id = unique_id;
+
+// Handle Cached GL State When Switching To Offscreen Context
+__attribute__((visibility("internal"))) void _media_backup_gl_state();
+__attribute__((visibility("internal"))) void _media_restore_gl_state();

media-layer/trampoline/src/media-layer-core.cpp

@@ -174,15 +174,6 @@ CALL(66, media_force_egl, void, ())
 #endif
 }
 
-CALL(68, media_ensure_loaded, void, ())
-#ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
-    trampoline(true);
-#else
-    func();
-    return 0;
-#endif
-}
-
 CALL(71, media_has_extension, int, (const char *name))
 #ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
     return trampoline(false, copy_array(name));
@@ -190,3 +181,25 @@ CALL(71, media_has_extension, int, (const char *name))
     return func(args.next_arr<char>());
 #endif
 }
+
+CALL(76, media_begin_offscreen_render, void, (const int width, const int height))
+#ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
+    trampoline(true, width, height);
+    _media_backup_gl_state();
+#else
+    const int width = args.next<int32_t>();
+    const int height = args.next<int32_t>();
+    func(width, height);
+    return 0;
+#endif
+}
+
+CALL(77, media_end_offscreen_render, void, ())
+#ifdef MEDIA_LAYER_TRAMPOLINE_GUEST
+    trampoline(true);
+    _media_restore_gl_state();
+#else
+    func();
+    return 0;
+#endif
+}

mods/include/mods/atlas/atlas.h

@@ -0,0 +1,5 @@
+#pragma once
+
+extern "C" {
+void atlas_update_tile(Textures *textures, int texture, const unsigned char *pixels);
+}

mods/include/mods/misc/misc.h

@@ -15,6 +15,7 @@ typedef RakNet_RakString *(*RakNet_RakString_constructor_2_t)(RakNet_RakString *
 extern RakNet_RakString_constructor_2_t RakNet_RakString_constructor_2;
 }
 
+void misc_run_on_init(const std::function<void(Minecraft *)> &func);
 void misc_run_on_update(const std::function<void(Minecraft *)> &func);
 void misc_run_on_tick(const std::function<void(Minecraft *)> &func);
 void misc_run_on_recipes_setup(const std::function<void(Recipes *)> &func);

mods/include/mods/textures/textures.h

@@ -2,6 +2,9 @@
 
 #include <GLES/gl.h>
 
+struct Texture;
+
 extern "C" {
-void media_glTexSubImage2D_with_scaling(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLsizei normal_texture_width, GLsizei normal_texture_height, GLenum format, GLenum type, const void *pixels);
+void media_glTexSubImage2D_with_scaling(const Texture *target, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLsizei normal_texture_width, GLsizei normal_texture_height, const void *pixels);
+void textures_add(int width, int height, const unsigned char *pixels);
 }

mods/src/atlas/README.md

@@ -1,2 +1,2 @@
 # `atlas` Mod
-This mod allows disabling the `gui_blocks` atlas.
+This mod allows regenerating the `gui_blocks` atlas at runtime.

mods/src/atlas/atlas.cpp

@@ -2,124 +2,229 @@
 
 #include <libreborn/libreborn.h>
 #include <symbols/minecraft.h>
+#include <media-layer/core.h>
 
 #include <mods/feature/feature.h>
+#include <mods/misc/misc.h>
+#include <mods/textures/textures.h>
+#include <mods/atlas/atlas.h>
 #include <mods/init/init.h>
 
-// Fix Grass And Leaves Inventory Rendering When The gui_blocks Atlas Is Disabled
+// Render Atlas
-static void ItemRenderer_renderGuiItemCorrect_injection_one(ItemRenderer_renderGuiItemCorrect_t original, Font *font, Textures *textures, const ItemInstance *item_instance, const int32_t param_1, const int32_t param_2) {
+#define ATLAS_SIZE 32
-    const int32_t leaves_id = Tile::leaves->id;
+#define ATLAS_ENTRY_SIZE 48
-    const int32_t grass_id = Tile::grass->id;
+static int get_atlas_key(Item *item, const int data) {
-    // Replace Rendered Item With Carried Variant
+    const int id = item->id;
-    ItemInstance carried_item_instance;
+    const int icon = item->getIcon(data);
-    bool use_carried = false;
+    return (id << 16) | icon;
-    if (item_instance != nullptr) {
+}
-        if (item_instance->id == leaves_id) {
+static std::unordered_map<int, std::pair<int, int>> atlas_key_to_pos;
-            carried_item_instance.constructor_tile_extra(Tile::leaves_carried, item_instance->count, item_instance->auxiliary);
+static std::unordered_map<int, std::vector<std::pair<int, int>>> tile_texture_to_atlas_pos;
-            use_carried = true;
+static void render_atlas(Textures *textures) {
-        } else if (item_instance->id == grass_id) {
+    int x = 0;
-            carried_item_instance.constructor_tile_extra(Tile::grass_carried, item_instance->count, item_instance->auxiliary);
+    int y = 0;
-            use_carried = true;
+    // Loop Over All Possible IDs
+    for (int id = 0; id < 512; id++) {
+        Item *item = Item::items[id];
+        if (!item) {
+            // Invalid ID
+            continue;
+        }
+        // Count Unique Textures
+        constexpr int amount_of_data_values_to_check = 512;
+        std::unordered_map<int, int> key_to_data;
+        for (int data = amount_of_data_values_to_check - 1; data >= 0; data--) {
+            int key = get_atlas_key(item, data);
+            key_to_data[key] = data;
+        }
+        // Loop Over All Data Values With Unique Textures
+        for (const std::pair<int, int> info : key_to_data) {
+            const int key = info.first;
+            const int data = info.second;
+            // Check Remaining Space (Leave Last Slot Empty)
+            if (x == (ATLAS_SIZE - 1) && y == (ATLAS_SIZE - 1)) {
+                WARN("Out Of gui_blocks Atlas Space!");
+                return;
+            }
+            // Position
+            media_glPushMatrix();
+            media_glTranslatef(ATLAS_ENTRY_SIZE * x, ATLAS_ENTRY_SIZE * y, 0);
+            constexpr float scale = ATLAS_ENTRY_SIZE / 16.0f;
+            media_glScalef(scale, scale, 1);
+            // Render
+            ItemInstance obj = {
+                .count = 1,
+                .id = id,
+                .auxiliary = data
+            };
+            ItemRenderer::renderGuiItemCorrect(nullptr, textures, &obj, 0, 0);
+            media_glPopMatrix();
+            // Store
+            atlas_key_to_pos[key] = {x, y};
+            if (id < 256) {
+                Tile *tile = Tile::tiles[id];
+                if (tile && !TileRenderer::canRender(tile->getRenderShape())) {
+                    int icon = item->getIcon(data);
+                    tile_texture_to_atlas_pos[icon].push_back(atlas_key_to_pos[key]);
                 }
             }
+            // Advance To Next Slot
+            x++;
+            if (x >= ATLAS_SIZE) {
+                x = 0;
+                y++;
+            }
+        }
+    }
+}
+static void generate_atlas(Minecraft *minecraft) {
+    // Setup Offscreen Rendering
+    constexpr int atlas_size = ATLAS_SIZE * ATLAS_ENTRY_SIZE;
+    media_begin_offscreen_render(atlas_size, atlas_size);
 
-    // Fix Toolbar Rendering
+    // Setup OpenGL
-    const GLboolean depth_test_was_enabled = media_glIsEnabled(GL_DEPTH_TEST);
+    ((NinecraftApp *) minecraft)->initGLStates();
+    media_glViewport(0, 0, atlas_size, atlas_size);
+    media_glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    media_glMatrixMode(GL_PROJECTION);
+    media_glLoadIdentity();
+    media_glOrthof(0, atlas_size, atlas_size, 0, 2000, 3000);
+    media_glMatrixMode(GL_MODELVIEW);
+    media_glLoadIdentity();
+    media_glTranslatef(0, 0, -2000);
     media_glDisable(GL_DEPTH_TEST);
 
-    // Call Original Method
+    // Re-Upload Textures
-    original(font, textures, use_carried ? &carried_item_instance : item_instance, param_1, param_2);
+    Textures *textures = Textures::allocate();
+    textures->constructor(&minecraft->options, minecraft->platform());
 
-    // Revert GL State Changes
+    // Render
-    if (depth_test_was_enabled) {
+    render_atlas(textures);
-        media_glEnable(GL_DEPTH_TEST);
+
+    // Copy Open Inventory Button
+    textures->loadAndBindTexture("gui/gui_blocks.png");
+    constexpr int icon_width = 28;
+    constexpr int icon_height = 8;
+    minecraft->gui.blit(atlas_size - icon_width, atlas_size - icon_height, 242, 252, icon_width, icon_height, 14, 4);
+
+    // Read Texture
+    int line_size = atlas_size * 4;
+    {
+        // Handle Alignment
+        int alignment;
+        media_glGetIntegerv(GL_PACK_ALIGNMENT, &alignment);
+        // Round
+        line_size = ALIGN_UP(line_size, alignment);
     }
-}
+    Texture texture;
-
+    texture.width = atlas_size;
-// Fix Translucent Preview Items In Furnace UI Being Fully Opaque When The gui_blocks Atlas Is Disabled
+    texture.height = atlas_size;
-static int item_color_fix_mode = 0;
+    texture.field3_0xc = 0;
-#define POTENTIAL_FURNACE_ITEM_TRANSPARENCY 0x33
+    texture.field4_0x10 = true;
-#define INVALID_FURNACE_ITEM_MULTIPLIER 0.25f
+    texture.field5_0x11 = false;
-static void Tesselator_color_injection(Tesselator_color_t original, Tesselator *tesselator, int32_t r, int32_t g, int32_t b, int32_t a) {
+    texture.field6_0x14 = 0;
-    // Fix Furnace UI
+    texture.field7_0x18 = -1;
-    if (item_color_fix_mode != 0) {
+    texture.data = new unsigned char[atlas_size * line_size];
-        // Force Translucent
+    media_glReadPixels(0, 0, atlas_size, atlas_size, GL_RGBA, GL_UNSIGNED_BYTE, texture.data);
-        if (item_color_fix_mode == 1) {
+    for (int y = 0; y < (texture.height / 2); y++) {
-            a = POTENTIAL_FURNACE_ITEM_TRANSPARENCY;
+        for (int x = 0; x < (texture.width * 4); x++) {
-        } else {
+            unsigned char &a = texture.data[(y * line_size) + x];
-            static double multiplier = INVALID_FURNACE_ITEM_MULTIPLIER;
+            unsigned char &b = texture.data[((texture.height - y - 1) * line_size) + x];
-            b *= multiplier;
+            std::swap(a, b);
-            g *= multiplier;
-            r *= multiplier;
         }
     }
 
-    // Call Original Method
+    // Restore Old Context
-    original(tesselator, r, g, b, a);
+    textures->destructor();
-}
+    ::operator delete(textures);
-static void Tesselator_begin_injection(Tesselator_begin_t original, Tesselator *tesselator, const int32_t mode) {
+    media_end_offscreen_render();
-    // Call Original Method
-    original(tesselator, mode);
 
-    // Fix Furnace UI
+    // Upload Texture
-    if (item_color_fix_mode != 0) {
+    minecraft->textures->assignTexture("gui/gui_blocks.png", texture);
-        // Implicit Translucent
+    DEBUG("Generated gui_blocks Atlas");
-        tesselator->color(0xff, 0xff, 0xff, 0xff);
+}
+
+// Use New Atlas
+static void ItemRenderer_renderGuiItem_two_injection(__attribute__((unused)) ItemRenderer_renderGuiItem_two_t original, __attribute__((unused)) Font *font, Textures *textures, const ItemInstance *item_instance_ptr, const float x, const float y, const float w, const float h, __attribute__((unused)) bool param_5) {
+    // "Carried" Items
+    ItemInstance item_instance = *item_instance_ptr;
+    if (item_instance.id == Tile::leaves->id) {
+        item_instance.id = Tile::leaves_carried->id;
+    } else if (item_instance.id == Tile::grass->id) {
+        item_instance.id = Tile::grass_carried->id;
     }
-}
+    // Get Position
-static void InventoryPane_renderBatch_Tesselator_color_injection(Tesselator *tesselator, int32_t r, int32_t g, int32_t b) {
+    Item *item = Item::items[item_instance.id];
-    // Call Original Method
+    if (!item) {
-    tesselator->color(r, g, b, 0xff);
+        return;
-
+    }
-    // Enable Item Color Fix
+    const int key = get_atlas_key(item, item_instance.auxiliary);
-    item_color_fix_mode = 2;
+    if (!atlas_key_to_pos.contains(key)) {
-}
+        WARN("Skipping Item Not In gui_blocks Atlas: %i:%i", item_instance.id, item_instance.auxiliary);
-static void ItemRenderer_renderGuiItem_two_injection_one(ItemRenderer_renderGuiItem_two_t original, Font *font, Textures *textures, const ItemInstance *item_instance, const float param_1, const float param_2, const float param_3, const float param_4, const bool param_5) {
+        return;
-    // Call Original Method
+    }
-    original(font, textures, item_instance, param_1, param_2, param_3, param_4, param_5);
+    const std::pair<int, int> &pos = atlas_key_to_pos[key];
-
+    // Convert To UV
-    // Disable Item Color Fix
+    float u0 = float(pos.first) / ATLAS_SIZE;
-    item_color_fix_mode = 0;
+    float u1 = float(pos.first + 1) / ATLAS_SIZE;
-}
+    float v0 = float(pos.second) / ATLAS_SIZE;
-static void FurnaceScreen_render_ItemRenderer_renderGuiItem_one_injection(Font *font, Textures *textures, ItemInstance *item_instance, float param_1, float param_2, bool param_3) {
+    float v1 = float(pos.second + 1) / ATLAS_SIZE;
-    // Enable Item Color Fix
+    // Render
-    item_color_fix_mode = 1;
+    textures->loadAndBindTexture("gui/gui_blocks.png");
-
+    Tesselator &t = Tesselator::instance;
-    // Call Original Method
+    t.begin(GL_QUADS);
-    ItemRenderer::renderGuiItem_one(font, textures, item_instance, param_1, param_2, param_3);
+    t.colorABGR(item_instance.count > 0 ? 0xffffffff : 0x60ffffff);
+    t.vertexUV(x, y + h, 0, u0, v1);
+    t.vertexUV(x + w, y + h, 0, u1, v1);
+    t.vertexUV(x + w, y, 0, u1, v0);
+    t.vertexUV(x, y, 0, u0, v0);
+    t.draw();
 }
 
-// Smooth Scrolling
+// Fix Buggy Crop Textures
-static float target_x;
+#define MAX_CROP_DATA 7
-static float target_y;
+static int CropTile_getTexture2_injection(CropTile_getTexture2_t original, CropTile *self, const int face, int data) {
-static void ItemRenderer_renderGuiItem_two_injection_two(ItemRenderer_renderGuiItem_two_t original, Font *font, Textures *textures, const ItemInstance *item_instance, const float x, const float y, const float w, const float h, const bool param_5) {
+    if (data > MAX_CROP_DATA) {
-    target_x = x;
+        data = MAX_CROP_DATA;
-    target_y = y;
+    }
-    original(font, textures, item_instance, x, y, w, h, param_5);
+    return original(self, face, data);
 }
-static void ItemRenderer_renderGuiItemCorrect_injection_two(ItemRenderer_renderGuiItemCorrect_t original, Font *font, Textures *textures, const ItemInstance *item_instance, __attribute__((unused)) int x, __attribute__((unused)) int y) {
+
-    media_glPushMatrix();
+// Fix Open Inventory Button
-    media_glTranslatef(target_x, target_y, 0);
+static void Gui_renderToolBar_GuiComponent_blit_injection(GuiComponent *self, int x_dest, int y_dest, __attribute__((unused)) const int x_src, __attribute__((unused)) const int y_src, const int width_dest, const int height_dest, const int width_src, const int height_src) {
-    original(font, textures, item_instance, 0, 0);
+    constexpr float size_scale = 2.0f / (ATLAS_SIZE * ATLAS_ENTRY_SIZE);
-    media_glPopMatrix();;
+    constexpr float u1 = 1.0f;
+    const float u0 = u1 - (float(width_src) * size_scale);
+    constexpr float v1 = 1.0f;
+    const float v0 = v1 - (float(height_src) * size_scale);
+    Tesselator &t = Tesselator::instance;
+    t.begin(GL_QUADS);
+    t.vertexUV(x_dest, y_dest + height_dest, self->z, u0, v1);
+    t.vertexUV(x_dest + width_dest, y_dest + height_dest, self->z, u1, v1);
+    t.vertexUV(x_dest + width_dest, y_dest, self->z, u1, v0);
+    t.vertexUV(x_dest, y_dest, self->z, u0, v0);
+    t.draw();
+}
+
+// Update Dynamic Textures In Atlas
+void atlas_update_tile(Textures *textures, const int texture, const unsigned char *pixels) {
+    // Update Texture
+    for (const std::pair<int, int> &pos : tile_texture_to_atlas_pos[texture]) {
+        uint32_t atlas_id = textures->loadAndBindTexture("gui/gui_blocks.png");
+        const Texture *atlas_data = textures->getTemporaryTextureData(atlas_id);
+        constexpr int texture_size = 16;
+        constexpr int fake_atlas_size = (ATLAS_SIZE * texture_size);
+        media_glTexSubImage2D_with_scaling(atlas_data, pos.first * texture_size, pos.second * texture_size, texture_size, texture_size, fake_atlas_size, fake_atlas_size, pixels);
+    }
 }
 
 // Init
 void init_atlas() {
-    // Disable The gui_blocks Atlas Which Contains Pre-Rendered Textures For Blocks In The Inventory
+    // Generate Atlas
-    if (feature_has("Disable \"gui_blocks\" Atlas", server_disabled)) {
+    if (feature_has("Regenerate \"gui_blocks\" Atlas", server_disabled)) {
-        unsigned char disable_gui_blocks_atlas_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
+        misc_run_on_init(generate_atlas);
-        patch((void *) 0x63c2c, disable_gui_blocks_atlas_patch);
+        overwrite_calls(CropTile_getTexture2, CropTile_getTexture2_injection);
-        // Fix Grass And Leaves Inventory Rendering When The gui_blocks Atlas Is Disabled
+        overwrite_calls(ItemRenderer_renderGuiItem_two, ItemRenderer_renderGuiItem_two_injection);
-        overwrite_calls(ItemRenderer_renderGuiItemCorrect, ItemRenderer_renderGuiItemCorrect_injection_one);
+        overwrite_call((void *) 0x26f50, (void *) Gui_renderToolBar_GuiComponent_blit_injection);
-        // Fix Furnace UI
-        overwrite_calls(Tesselator_begin, Tesselator_begin_injection);
-        overwrite_calls(Tesselator_color, Tesselator_color_injection);
-        overwrite_call((void *) 0x32324, (void *) FurnaceScreen_render_ItemRenderer_renderGuiItem_one_injection);
-        overwrite_call((void *) 0x1e21c, (void *) InventoryPane_renderBatch_Tesselator_color_injection);
-        overwrite_calls(ItemRenderer_renderGuiItem_two, ItemRenderer_renderGuiItem_two_injection_one);
-        // Fix Inventory Scrolling
-        overwrite_calls(ItemRenderer_renderGuiItem_two, ItemRenderer_renderGuiItem_two_injection_two);
-        overwrite_calls(ItemRenderer_renderGuiItemCorrect, ItemRenderer_renderGuiItemCorrect_injection_two);
     }
 }

mods/src/f3/f3.cpp

@@ -5,6 +5,7 @@
 
 #include <symbols/minecraft.h>
 #include <libreborn/libreborn.h>
+#include <GLES/gl.h>
 
 #include <mods/misc/misc.h>
 #include <mods/feature/feature.h>
@@ -124,7 +125,7 @@ static std::vector<std::string> get_debug_info_right(const Minecraft *minecraft)
             // Entity
             Entity *entity = target.entity;
             x = entity->x;
-            y = entity->y;
+            y = entity->y - entity->height_offset;
             z = entity->z;
             type = "Entity";
             type_info.push_back("Type ID: " + std::to_string(entity->getEntityTypeId())); // TODO: Specify name when RJ PR is merged
@@ -151,7 +152,7 @@ static std::vector<std::string> get_debug_info_right(const Minecraft *minecraft)
 // Render Text With Background
 static constexpr uint32_t debug_background_color = 0x90505050;
 static constexpr int debug_text_color = 0xe0e0e0;
-static void render_debug_line(Gui *gui, const std::string &line, int x, const int y, const bool right_aligned) {
+static void render_debug_line(Gui *gui, const std::string &line, int x, const int y, const bool right_aligned, const int pass) {
     // Draw Background
     const int width = gui->minecraft->font->width(line);
     if (width == 0) {
@@ -165,26 +166,46 @@ static void render_debug_line(Gui *gui, const std::string &line, int x, const in
     int y1 = y - 1;
     int x2 = x + width;
     int y2 = y + line_height;
+    if (pass == 0) {
         gui->fill(x1, y1, x2, y2, debug_background_color);
+    }
     // Draw Text
+    if (pass == 1) {
         gui->minecraft->font->draw(line, float(x), float(y), debug_text_color);
+    }
 }
 // Draw Debug Information
 static bool debug_info_shown = false;
 static constexpr int debug_margin = 2;
 static constexpr int debug_line_padding = 1;
-static void render_debug_info(Gui *self, const std::vector<std::string> &info, const bool right_aligned) {
+static void render_debug_info(Gui *self, const std::vector<std::string> &info, const bool right_aligned, const int pass) {
     int y = debug_margin;
     for (const std::string &line : info) {
-        render_debug_line(self, line, debug_margin, y, right_aligned);
+        render_debug_line(self, line, debug_margin, y, right_aligned, pass);
         y += line_height;
         y += debug_line_padding;
     }
 }
 static void Gui_renderDebugInfo_injection(__attribute__((unused)) Gui_renderDebugInfo_t original, Gui *self) {
     if (debug_info_shown) {
-        render_debug_info(self, get_debug_info_left(self->minecraft), false);
+        for (int pass = 0; pass < 2; pass++) {
-        render_debug_info(self, get_debug_info_right(self->minecraft), true);
+            Tesselator &t = Tesselator::instance;
+            t.begin(GL_QUADS);
+            t.voidBeginAndEndCalls(true);
+            render_debug_info(self, get_debug_info_left(self->minecraft), false, pass);
+            render_debug_info(self, get_debug_info_right(self->minecraft), true, pass);
+            t.voidBeginAndEndCalls(false);
+            if (pass == 0) {
+                media_glEnable(GL_BLEND);
+                media_glDisable(GL_TEXTURE_2D);
+                media_glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+            }
+            t.draw();
+            if (pass == 0) {
+                media_glEnable(GL_TEXTURE_2D);
+                media_glDisable(GL_BLEND);
+            }
+        }
     }
 }
 

mods/src/game-mode/game-mode.cpp

@@ -8,7 +8,9 @@
 static int is_survival = -1;
 
 // Patch Game Mode
-static void set_is_survival(bool new_is_survival) {
+static void *survival_mode_constructor;
+static void *creative_mode_constructor;
+static void set_is_survival(const bool new_is_survival) {
     if (is_survival != new_is_survival) {
         DEBUG("Setting Game Mode: %s", new_is_survival ? "Survival" : "Creative");
 
@@ -21,7 +23,7 @@ static void set_is_survival(bool new_is_survival) {
         patch((void *) 0x16ee4, size_patch);
 
         // Replace Default CreatorMode Constructor With CreatorMode Or SurvivalMode Constructor
-        overwrite_call((void *) 0x16ef4, new_is_survival ? (void *) SurvivalMode_constructor->get(true) : (void *) CreatorMode_constructor->get(true));
+        overwrite_call((void *) 0x16ef4, new_is_survival ? survival_mode_constructor : creative_mode_constructor);
 
         is_survival = new_is_survival;
     }
@@ -50,6 +52,8 @@ static unsigned char *Minecraft_getCreator_injection(Minecraft_getCreator_t orig
 void init_game_mode() {
     // Dynamic Game Mode Switching
     if (feature_has("Implement Game-Mode Switching", server_enabled)) {
+        survival_mode_constructor = (void *) SurvivalMode_constructor->get(true);
+        creative_mode_constructor = (void *) CreatorMode_constructor->get(true);
         set_is_survival(true);
         overwrite_calls(Minecraft_setIsCreativeMode, Minecraft_setIsCreativeMode_injection);
 

mods/src/init/init.cpp

@@ -4,7 +4,6 @@
 #include <symbols/minecraft.h>
 
 __attribute__((constructor)) static void init() {
-    media_ensure_loaded();
     reborn_init_patch();
     thunk_enabler = reborn_thunk_enabler;
     run_tests();

mods/src/misc/api.cpp

@@ -47,6 +47,12 @@ HOOK(media_swap_buffers, void, ()) {
 }
 
 // API
+void misc_run_on_init(const std::function<void(Minecraft *)> &func) {
+    overwrite_calls(Minecraft_init, [func](Minecraft_init_t original, Minecraft *self) {
+        original(self);
+        func(self);
+    });
+}
 void misc_run_on_update(const std::function<void(Minecraft *)> &func) {
     overwrite_calls(Minecraft_update, [func](Minecraft_update_t original, Minecraft *self) {
         original(self);
@@ -115,7 +121,7 @@ void misc_render_background(int color, const Minecraft *minecraft, const int x,
     media_glColor4f(1, 1, 1, 1);
     minecraft->textures->loadAndBindTexture("gui/background.png");
     Tesselator *t = &Tesselator::instance;
-    t->begin(7);
+    t->begin(GL_QUADS);
     t->color(color, color, color, 255);
     float x1 = x;
     float x2 = x + width;

mods/src/misc/graphics.cpp

@@ -119,7 +119,7 @@ static void render_fire(EntityRenderer *self, Entity *entity, const float x, flo
     media_glColor4f(1, 1, 1, 1);
     float zo = 0;
     int ss = 0;
-    t.begin(7);
+    t.begin(GL_QUADS);
     while (h > 0) {
         constexpr float xo = 0.0f;
         float u0;
@@ -220,7 +220,7 @@ static void render_shadow(const EntityRenderer *self, Entity *entity, const floa
     const float yo = y - ey;
     const float zo = z - ez;
     Tesselator &tt = Tesselator::instance;
-    tt.begin(7);
+    tt.begin(GL_QUADS);
     for (int xt = x0; xt <= x1; xt++) {
         for (int yt = y0; yt <= y1; yt++) {
             for (int zt = z0; zt <= z1; zt++) {

mods/src/misc/logging.cpp

@@ -8,7 +8,6 @@
 #include <mods/feature/feature.h>
 
 // Print Chat To Log
-static bool Gui_addMessage_recursing = false;
 static void Gui_addMessage_injection(Gui_addMessage_t original, Gui *gui, const std::string &text) {
     // Sanitize Message
     char *new_message = strdup(text.c_str());
@@ -17,9 +16,10 @@ static void Gui_addMessage_injection(Gui_addMessage_t original, Gui *gui, const
     const std::string cpp_str = new_message;
 
     // Process Message
-    if (!Gui_addMessage_recursing) {
+    static bool recursing = false;
+    if (!recursing) {
         // Start Recursing
-        Gui_addMessage_recursing = true;
+        recursing = true;
 
         // Print Log Message
         char *safe_message = from_cp437(new_message);
@@ -30,7 +30,7 @@ static void Gui_addMessage_injection(Gui_addMessage_t original, Gui *gui, const
         original(gui, cpp_str);
 
         // End Recursing
-        Gui_addMessage_recursing = false;
+        recursing = false;
     } else {
         // Call Original Method
         original(gui, cpp_str);

mods/src/misc/misc.cpp

@@ -592,6 +592,13 @@ void init_misc() {
         overwrite_call((void *) 0xb198c, (void *) Dimension_isValidSpawn_Level_getTopTile_injection);
     }
 
+    // Disable overwrite_calls() After Minecraft::init
+    misc_run_on_init([](__attribute__((unused)) Minecraft *minecraft) {
+        thunk_enabler = [](__attribute__((unused)) void *a, __attribute__((unused)) void *b) -> void * {
+            IMPOSSIBLE();
+        };
+    });
+
     // Init Other Components
     _init_misc_tinting();
     _init_misc_ui();

mods/src/misc/ui.cpp

@@ -261,12 +261,6 @@ void _init_misc_ui() {
         overwrite_calls(Screen_render, Screen_render_injection);
     }
 
-    // Remove Invalid Item Background (A Red Background That Appears For Items That Are Not Included In The gui_blocks Atlas)
-    if (feature_has("Remove Invalid Item Background", server_disabled)) {
-        unsigned char invalid_item_background_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
-        patch((void *) 0x63c98, invalid_item_background_patch);
-    }
-
     // Close Current Screen On Death To Prevent Bugs
     if (feature_has("Close Current Screen On Death", server_disabled)) {
         overwrite_calls(LocalPlayer_die, LocalPlayer_die_injection);

mods/src/multidraw/README.md

@@ -0,0 +1,2 @@
+# `multidraw` Mod
+This mod optimizes rendering using `glMultiDrawArrays`.

mods/src/screenshot/screenshot.cpp

@@ -84,7 +84,7 @@ void screenshot_take(Gui *gui) {
     const int size = height * line_size;
 
     // Read Pixels
-    unsigned char *pixels = (unsigned char *) malloc(size);
+    unsigned char *pixels = new unsigned char[size];
     ALLOC_CHECK(pixels);
     media_glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
 
@@ -101,7 +101,7 @@ void screenshot_take(Gui *gui) {
     }
 
     // Free
-    free(pixels);
+    delete[] pixels;
 }
 
 // Init

mods/src/shading/README.md

@@ -0,0 +1,2 @@
+# `shading` Mod
+This mod implements proper entity shading using OpenGL lighting.

mods/src/shading/tesselator.cpp

@@ -97,7 +97,7 @@ static void Tesselator_draw_injection(Tesselator *self) {
     if (vertices > 0) {
         const GLuint buffer = get_next_buffer();
         media_glBindBuffer(GL_ARRAY_BUFFER, buffer);
-        media_glBufferData(GL_ARRAY_BUFFER, vertices * sizeof(CustomVertex), CustomTesselator::instance.vertices, GL_STATIC_DRAW);
+        media_glBufferData(GL_ARRAY_BUFFER, vertices * sizeof(CustomVertex), CustomTesselator::instance.vertices, GL_STREAM_DRAW);
         if (self->has_texture) {
             media_glTexCoordPointer(2, GL_FLOAT, sizeof(CustomVertex), (void *) offsetof(CustomVertex, uv));
             media_glEnableClientState(GL_TEXTURE_COORD_ARRAY);

mods/src/skin/loader.cpp

@@ -27,7 +27,7 @@ static std::vector<pending_skin> &get_pending_skins() {
     return pending_skins;
 }
 static pthread_mutex_t pending_skins_lock = PTHREAD_MUTEX_INITIALIZER;
-static void load_pending_skins(__attribute__((unused)) Minecraft *minecraft) {
+static void load_pending_skins(Minecraft *minecraft) {
     // Lock
     pthread_mutex_lock(&pending_skins_lock);
 
@@ -44,7 +44,8 @@ static void load_pending_skins(__attribute__((unused)) Minecraft *minecraft) {
         GLint last_texture;
         media_glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
         media_glBindTexture(GL_TEXTURE_2D, skin.texture_id);
-        media_glTexSubImage2D_with_scaling(GL_TEXTURE_2D, 0, 0, 0, width, height, SKIN_WIDTH, SKIN_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, img);
+        const Texture *texture = minecraft->textures->getTemporaryTextureData(skin.texture_id);
+        media_glTexSubImage2D_with_scaling(texture, 0, 0, width, height, SKIN_WIDTH, SKIN_HEIGHT, img);
         media_glBindTexture(GL_TEXTURE_2D, last_texture);
 
         // Free
@@ -114,7 +115,7 @@ static void *loader_thread(void *user_data) {
 }
 
 // Intercept Texture Creation
-static int32_t Textures_assignTexture_injection(Textures_assignTexture_t original, Textures *textures, const std::string &name, unsigned char *data) {
+static int32_t Textures_assignTexture_injection(Textures_assignTexture_t original, Textures *textures, const std::string &name, const Texture &data) {
     // Call Original Method
     const int32_t id = original(textures, name, data);
 

mods/src/textures/textures.cpp

@@ -10,6 +10,7 @@
 #include <mods/misc/misc.h>
 #include <mods/feature/feature.h>
 #include <mods/textures/textures.h>
+#include <mods/atlas/atlas.h>
 #include <mods/init/init.h>
 #include "textures-internal.h"
 
@@ -20,65 +21,20 @@ static void Minecraft_tick_injection(const Minecraft *minecraft) {
     // Tick Dynamic Textures
     Textures *textures = minecraft->textures;
     if (textures != nullptr) {
-        textures->tick(true);
+        for (DynamicTexture *texture : textures->dynamic_textures) {
-    }
+            texture->tick();
-}
+            texture->bindTexture(textures);
-
+            for (int x = 0; x < texture->texture_size; x++) {
-// Store Texture Sizes
+                for (int y = 0; y < texture->texture_size; y++) {
-struct texture_data {
+                    const Texture *data = textures->getTemporaryTextureData(textures->current_texture);
-    GLuint id;
+                    const int x_offset = 16 * ((texture->texture_index % 16) + x);
-    GLsizei width;
+                    const int y_offset = 16 * ((texture->texture_index / 16) + y);
-    GLsizei height;
+                    media_glTexSubImage2D_with_scaling(data, x_offset, y_offset, 16, 16, 256, 256, texture->pixels);
-};
-static std::vector<texture_data> &get_texture_data() {
-    static std::vector<texture_data> data;
-    return data;
-}
-HOOK(media_glTexImage2D, void, (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels)) {
-    // Store
-    texture_data data = {};
-    media_glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint *) &data.id);
-    data.width = width;
-    data.height = height;
-    get_texture_data().push_back(data);
-
-    // Call Original Method
-    real_media_glTexImage2D()(target, level, internalformat, width, height, border, format, type, pixels);
-}
-HOOK(media_glDeleteTextures, void, (GLsizei n, const GLuint *textures)) {
-    // Remove Old Data
-    for (int i = 0; i < n; i++) {
-        const GLuint id = textures[i];
-        std::vector<texture_data>::iterator it = get_texture_data().begin();
-        while (it != get_texture_data().end()) {
-            const texture_data data = *it;
-            if (data.id == id) {
-                it = get_texture_data().erase(it);
-            } else {
-                ++it;
                 }
             }
+            atlas_update_tile(textures, texture->texture_index, texture->pixels);
         }
-
-    // Call Original Method
-    real_media_glDeleteTextures()(n, textures);
-}
-static void get_texture_size(const GLuint id, GLsizei *width, GLsizei *height) {
-    // Iterate
-    std::vector<texture_data>::iterator it = get_texture_data().begin();
-    while (it != get_texture_data().end()) {
-        const texture_data data = *it;
-        if (data.id == id) {
-            // Found
-            *width = data.width;
-            *height = data.height;
-            return;
     }
-        ++it;
-    }
-    // Not Found
-    *width = 0;
-    *height = 0;
 }
 
 // Scale Texture (Remember To Free)
@@ -94,42 +50,33 @@ static int get_line_size(const int width) {
     }
     return line_size;
 }
-static void *scale_texture(const unsigned char *src, const GLsizei old_width, const GLsizei old_height, const GLsizei new_width, const GLsizei new_height) {
+static unsigned char *scale_texture(const unsigned char *src, const GLsizei old_width, const GLsizei old_height, const GLsizei new_width, const GLsizei new_height) {
     const int old_line_size = get_line_size(old_width);
     const int new_line_size = get_line_size(new_width);
-
     // Allocate
-    unsigned char *dst = (unsigned char *) malloc(new_height * new_line_size);
+    unsigned char *dst = new unsigned char[new_height * new_line_size];
-    ALLOC_CHECK(dst);
-
     // Scale
     for (int new_x = 0; new_x < new_width; new_x++) {
-        const int old_x = (int) (((float) new_x / (float) new_width) * (float) old_width);
         for (int new_y = 0; new_y < new_height; new_y++) {
+            const int old_x = (int) (((float) new_x / (float) new_width) * (float) old_width);
             const int old_y = (int) (((float) new_y / (float) new_height) * (float) old_height);
-
             // Find Position
             const int new_position = (new_y * new_line_size) + (new_x * PIXEL_SIZE);
             const int old_position = (old_y * old_line_size) + (old_x * PIXEL_SIZE);
-
             // Copy
             static_assert(sizeof (int32_t) == PIXEL_SIZE, "Pixel Size Doesn't Match 32-Bit Integer Size");
             *(int32_t *) &dst[new_position] = *(int32_t *) &src[old_position];
         }
     }
-
     // Return
     return dst;
 }
 
 // Scale Animated Textures
-void media_glTexSubImage2D_with_scaling(const GLenum target, const GLint level, const GLint xoffset, const GLint yoffset, const GLsizei width, const GLsizei height, const GLsizei normal_texture_width, const GLsizei normal_texture_height, const GLenum format, const GLenum type, const void *pixels) {
+void media_glTexSubImage2D_with_scaling(const Texture *target, const GLint xoffset, const GLint yoffset, const GLsizei width, const GLsizei height, const GLsizei normal_texture_width, const GLsizei normal_texture_height, const void *pixels) {
     // Get Current Texture Size
-    GLint current_texture;
+    const GLsizei texture_width = target->width;
-    media_glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
+    const GLsizei texture_height = target->height;
-    GLsizei texture_width;
-    GLsizei texture_height;
-    get_texture_size(current_texture, &texture_width, &texture_height);
 
     // Calculate Factor
     const float width_factor = ((float) texture_width) / ((float) normal_texture_width);
@@ -138,31 +85,22 @@ void media_glTexSubImage2D_with_scaling(const GLenum target, const GLint level,
     // Only Scale If Needed
     if (width_factor == 1.0f && height_factor == 1.0f) {
         // No Scaling
-        media_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+        media_glTexSubImage2D(GL_TEXTURE_2D, 0, xoffset, yoffset, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
     } else {
-        // Check
-        if (format != GL_RGBA || type != GL_UNSIGNED_BYTE) {
-            // Pixels Must Be 4 Bytes
-            ERR("Unsupported Texture Format For Scaling");
-        }
-
         // Scale
-        const GLsizei new_width = width * width_factor;
+        const GLsizei new_width = GLsizei(float(width) * width_factor);
-        const GLsizei new_height = height * height_factor;
+        const GLsizei new_height = GLsizei(float(height) * height_factor);
-        void *new_pixels = scale_texture((const unsigned char *) pixels, width, height, new_width, new_height);
+        const unsigned char *new_pixels = scale_texture((const unsigned char *) pixels, width, height, new_width, new_height);
 
         // Call Original Method
-        const GLint new_xoffset = xoffset * width_factor;
+        const GLint new_xoffset = GLint(float(xoffset) * width_factor);
-        const GLint new_yoffset = yoffset * height_factor;
+        const GLint new_yoffset = GLint(float(yoffset) * height_factor);
-        media_glTexSubImage2D(target, level, new_xoffset, new_yoffset, new_width, new_height, format, type, new_pixels);
+        media_glTexSubImage2D(GL_TEXTURE_2D, 0, new_xoffset, new_yoffset, new_width, new_height, GL_RGBA, GL_UNSIGNED_BYTE, new_pixels);
 
         // Free
-        free(new_pixels);
+        delete[] new_pixels;
     }
 }
-static void Textures_tick_glTexSubImage2D_injection(const GLenum target, const GLint level, const GLint xoffset, const GLint yoffset, const GLsizei width, const GLsizei height, const GLenum format, const GLenum type, const void *pixels) {
-    media_glTexSubImage2D_with_scaling(target, level, xoffset, yoffset, width, height, 256, 256, format, type, pixels);
-}
 
 // Load Textures
 static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) AppPlatform_linux_loadTexture_t original, __attribute__((unused)) AppPlatform_linux *app_platform, const std::string &path, const bool b) {
@@ -231,11 +169,10 @@ void init_textures() {
         _init_textures_lava(animated_water, animated_lava, animated_fire);
     }
 
-    // Scale Animated Textures
-    if (feature_has("Property Scale Animated Textures", server_disabled)) {
-        overwrite_call((void *) 0x53274, (void *) Textures_tick_glTexSubImage2D_injection);
-    }
-
     // Load Textures
     overwrite_calls(AppPlatform_linux_loadTexture, AppPlatform_linux_loadTexture_injection);
+
+    // Stop Reloading Textures On Resize
+    unsigned char texture_reset_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
+    patch((void *) 0x126b4, texture_reset_patch);
 }

mods/src/title-screen/title-screen.cpp

@@ -109,9 +109,9 @@ static void StartMenuScreen_render_Screen_renderBackground_injection(StartMenuSc
     const float y = float(get_title_y(self));
     constexpr int w = modern_title_width / 2;
     constexpr int h = modern_title_height;
-    Tesselator& t = Tesselator::instance;
+    Tesselator &t = Tesselator::instance;
     media_glColor4f(1, 1, 1, 1);
-    t.begin(7);
+    t.begin(GL_QUADS);
     t.vertexUV(x - w, y + h, self->z, 0, 1);
     t.vertexUV(x + w, y + h, self->z, 1, 1);
     t.vertexUV(x + w, y, self->z, 1, 0);

symbols/CMakeLists.txt

@@ -161,6 +161,8 @@ set(SRC
     src/tile/GrassTile.def
     src/tile/HeavyTile.def
     src/tile/EntityTile.def
+    src/tile/Bush.def
+    src/tile/CropTile.def
     src/misc/Strings.def
     src/misc/I18n.def
     src/misc/SimpleFoodData.def

symbols/src/game/Minecraft.def

@@ -22,6 +22,7 @@ virtual-method void update() = 0x24;
 virtual-method int handleBack(bool do_nothing) = 0x34;
 virtual-method void init() = 0x38;
 virtual-method void selectLevel(const std::string &level_dir, const std::string &level_name, const LevelSettings &settings) = 0x40;
+virtual-method AppPlatform *platform() = 0x8;
 
 property int screen_width = 0x20;
 property int screen_height = 0x24;

symbols/src/textures/Textures.def

@@ -1,8 +1,15 @@
+size 0x4c;
+
+constructor (Options *options, AppPlatform *app_platform) = 0x530e4;
+method void *destructor() = 0x53458;
+
 method void tick(bool param_1) = 0x531c4;
 method uint loadAndBindTexture(const std::string &name) = 0x539cc;
 method uint loadTexture(const std::string &name, bool param_1) = 0x53800;
-method uint assignTexture(const std::string &name, uchar *data) = 0x5354c;
+method uint assignTexture(const std::string &name, const Texture &data) = 0x5354c;
 method void addDynamicTexture(DynamicTexture *texture) = 0x534f8;
 method Texture *getTemporaryTextureData(uint id) = 0x53168;
 
 property bool blur = 0x39;
+property std::vector<DynamicTexture *> dynamic_textures = 0x40;
+property uint current_texture = 0x3c;

symbols/src/tile/Bush.def

@@ -0,0 +1,3 @@
+extends Tile;
+
+vtable 0x110fd0;

symbols/src/tile/CropTile.def

@@ -0,0 +1,3 @@
+extends Bush;
+
+vtable 0x1110f8;