Remove LibPNG + Clean Up

.gitmodules

@@ -1,12 +1,5 @@
-[submodule "dependencies/libpng/src"]
-	path = dependencies/libpng/src
-	url = https://gitea.thebrokenrail.com/minecraft-pi-reborn/libpng.git
-[submodule "dependencies/zlib/src"]
-	path = dependencies/libpng/zlib/src
-	url = https://github.com/madler/zlib.git
-	ignore = dirty
 [submodule "dependencies/glfw/src"]
-	path = media-layer/core/dependencies/glfw/src
+	path = dependencies/glfw/src
 	url = https://github.com/glfw/glfw.git
 [submodule "dependencies/zenity/src"]
 	path = dependencies/zenity/src
@@ -19,5 +12,8 @@
 	url = https://gitlab.com/qemu-project/qemu.git
 	ignore = dirty
 [submodule "media-layer/core/gles/dependencies/gles-compatibility-layer"]
-	path = media-layer/core/gles/dependencies/gles-compatibility-layer/src
+	path = dependencies/gles-compatibility-layer/src
 	url = https://gitea.thebrokenrail.com/minecraft-pi-reborn/gles-compatibility-layer.git
+[submodule "dependencies/stb_image/include"]
+	path = dependencies/stb_image/include
+	url = https://github.com/nothings/stb.git

CMakeLists.txt

@@ -37,6 +37,11 @@ option(MCPI_USE_MEDIA_LAYER_PROXY "Whether To Enable The Media Layer Proxy" ${DE
 if(NOT MCPI_HEADLESS_MODE)
     option(MCPI_USE_GLES1_COMPATIBILITY_LAYER "Whether To Enable The GLESv1_CM Compatibility Layer" TRUE)
 endif()
+if(MCPI_USE_MEDIA_LAYER_PROXY)
+    set(BUILD_MEDIA_LAYER_CORE "${BUILD_NATIVE_COMPONENTS}")
+else()
+    set(BUILD_MEDIA_LAYER_CORE "${BUILD_ARM_COMPONENTS}")
+endif()
 
 # App ID
 set(DEFAULT_APP_ID "com.thebrokenrail.MCPIReborn")

dependencies/CMakeLists.txt

@@ -1,8 +1,8 @@
 project(dependencies)
 
-# LibPNG
+# stb_image
-if(BUILD_ARM_COMPONENTS)
+if(BUILD_ARM_COMPONENTS AND NOT MCPI_HEADLESS_MODE)
-    add_subdirectory(libpng)
+    add_subdirectory(stb_image)
 endif()
 # Minecraft: Pi Edition
 if(BUILD_ARM_COMPONENTS AND NOT MCPI_OPEN_SOURCE_ONLY)
@@ -20,3 +20,11 @@ endif()
 if(BUILD_NATIVE_COMPONENTS AND NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64"))
     add_subdirectory(qemu)
 endif()
+# GLFW
+if(BUILD_MEDIA_LAYER_CORE AND NOT MCPI_HEADLESS_MODE)
+    add_subdirectory(glfw)
+endif()
+# GLES Compatibility Layer
+if(BUILD_NATIVE_COMPONENTS AND NOT MCPI_HEADLESS_MODE AND MCPI_USE_GLES1_COMPATIBILITY_LAYER)
+    add_subdirectory(gles-compatibility-layer)
+endif()

dependencies/gles-compatibility-layer/CMakeLists.txt

@@ -1,9 +1,7 @@
-project(media-layer-core-gles-dependencies-gles-compatibility-layer)
+project(gles-compatibility-layer)
 
 # GLES Compatibility Layer
-set(GLES_COMPATIBILITY_LAYER_USE_DEFAULT_INCLUDE_PATH FALSE CACHE BOOL "" FORCE)
 set(GLES_COMPATIBILITY_LAYER_USE_ES3 FALSE CACHE BOOL "" FORCE)
 set(GLES_COMPATIBILITY_LAYER_USE_SDL FALSE CACHE BOOL "" FORCE)
 set(GLES_COMPATIBILITY_LAYER_DEPENDENCY glfw CACHE STRING "" FORCE)
 add_subdirectory(src)
-target_link_libraries(gles-compatibility-layer media-layer-headers)

dependencies/glfw/CMakeLists.txt

@@ -23,9 +23,6 @@ add_custom_target(glfw-build ALL DEPENDS glfw)
 
 # Install
 install(TARGETS glfw DESTINATION "${MCPI_LIB_DIR}")
-if(BUILD_ARM_COMPONENTS)
-    install(TARGETS glfw EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
-endif()
 
 # License
 install(FILES src/LICENSE.md DESTINATION "${MCPI_LEGAL_DIR}/glfw")

dependencies/libpng/CMakeLists.txt

@@ -1,33 +0,0 @@
-project(libpng)
-
-# ZLib (Needed By libpng)
-add_subdirectory(zlib)
-
-# Silence Warnings
-add_compile_options(-w)
-
-## LibPNG
-
-# Options
-set(PNG_TESTS FALSE CACHE BOOL "" FORCE)
-set(PNG_NO_STDIO FALSE CACHE BOOL "" FORCE)
-set(PNG_BUILD_ZLIB TRUE CACHE BOOL "" FORCE)
-
-# Download
-set(ZLIB_LIBRARY zlibstatic)
-set(ZLIB_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/zlib/src" "${CMAKE_CURRENT_BINARY_DIR}/zlib/src")
-add_subdirectory(src EXCLUDE_FROM_ALL)
-
-# Use Symbol Versioning
-set_target_properties(png12 PROPERTIES LINK_OPTIONS "LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/libpng.vers")
-
-# Ensure Build
-add_custom_target(png12-build ALL DEPENDS png12)
-# Install
-install(TARGETS png12 DESTINATION "${MCPI_LIB_DIR}")
-if(BUILD_ARM_COMPONENTS)
-    install(TARGETS png12 zlibstatic EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
-endif()
-
-# License
-install(FILES src/LICENSE DESTINATION "${MCPI_LEGAL_DIR}/libpng")

dependencies/libpng/libpng.vers

@@ -1,208 +0,0 @@
-PNG12_0 {global:
-png_libpng_ver;
-png_pass_start;
-png_pass_inc;
-png_pass_ystart;
-png_pass_yinc;
-png_pass_mask;
-png_pass_dsp_mask;
-png_access_version_number;
-png_set_sig_bytes;
-png_sig_cmp;
-png_check_sig;
-png_create_read_struct;
-png_create_write_struct;
-png_get_compression_buffer_size;
-png_set_compression_buffer_size;
-png_reset_zstream;
-png_create_read_struct_2;
-png_create_write_struct_2;
-png_write_chunk;
-png_write_chunk_start;
-png_write_chunk_data;
-png_write_chunk_end;
-png_create_info_struct;
-png_info_init;
-png_info_init_3;
-png_write_info_before_PLTE;
-png_write_info;
-png_read_info;
-png_convert_to_rfc1123;
-png_convert_from_struct_tm;
-png_convert_from_time_t;
-png_set_expand;
-png_set_expand_gray_1_2_4_to_8;
-png_set_palette_to_rgb;
-png_set_tRNS_to_alpha;
-png_set_gray_1_2_4_to_8;
-png_set_bgr;
-png_set_gray_to_rgb;
-png_set_rgb_to_gray;
-png_set_rgb_to_gray_fixed;
-png_get_rgb_to_gray_status;
-png_build_grayscale_palette;
-png_set_strip_alpha;
-png_set_swap_alpha;
-png_set_invert_alpha;
-png_set_filler;
-png_set_add_alpha;
-png_set_swap;
-png_set_packing;
-png_set_packswap;
-png_set_shift;
-png_set_interlace_handling;
-png_set_invert_mono;
-png_set_background;
-png_set_strip_16;
-png_set_dither;
-png_set_gamma;
-png_permit_empty_plte;
-png_set_flush;
-png_write_flush;
-png_start_read_image;
-png_read_update_info;
-png_read_rows;
-png_read_row;
-png_read_image;
-png_write_row;
-png_write_rows;
-png_write_image;
-png_write_end;
-png_read_end;
-png_destroy_info_struct;
-png_destroy_read_struct;
-png_destroy_write_struct;
-png_set_crc_action;
-png_set_filter;
-png_set_filter_heuristics;
-png_set_compression_level;
-png_set_compression_mem_level;
-png_set_compression_strategy;
-png_set_compression_window_bits;
-png_set_compression_method;
-png_init_io;
-png_set_error_fn;
-png_get_error_ptr;
-png_set_write_fn;
-png_set_read_fn;
-png_get_io_ptr;
-png_set_read_status_fn;
-png_set_write_status_fn;
-png_set_mem_fn;
-png_get_mem_ptr;
-png_set_read_user_transform_fn;
-png_set_write_user_transform_fn;
-png_set_user_transform_info;
-png_get_user_transform_ptr;
-png_set_read_user_chunk_fn;
-png_get_user_chunk_ptr;
-png_set_progressive_read_fn;
-png_get_progressive_ptr;
-png_process_data;
-png_progressive_combine_row;
-png_malloc;
-png_malloc_warn;
-png_free;
-png_free_data;
-png_data_freer;
-png_malloc_default;
-png_free_default;
-png_memcpy_check;
-png_memset_check;
-png_error;
-png_chunk_error;
-png_warning;
-png_chunk_warning;
-png_get_valid;
-png_get_rowbytes;
-png_get_rows;
-png_set_rows;
-png_get_channels;
-png_get_image_width;
-png_get_image_height;
-png_get_bit_depth;
-png_get_color_type;
-png_get_filter_type;
-png_get_interlace_type;
-png_get_compression_type;
-png_get_pixels_per_meter;
-png_get_x_pixels_per_meter;
-png_get_y_pixels_per_meter;
-png_get_pixel_aspect_ratio;
-png_get_x_offset_pixels;
-png_get_y_offset_pixels;
-png_get_x_offset_microns;
-png_get_y_offset_microns;
-png_get_signature;
-png_get_bKGD;
-png_set_bKGD;
-png_get_cHRM;
-png_get_cHRM_fixed;
-png_set_cHRM;
-png_set_cHRM_fixed;
-png_get_gAMA;
-png_get_gAMA_fixed;
-png_set_gAMA;
-png_set_gAMA_fixed;
-png_get_hIST;
-png_set_hIST;
-png_get_IHDR;
-png_set_IHDR;
-png_get_oFFs;
-png_set_oFFs;
-png_get_pCAL;
-png_set_pCAL;
-png_get_pHYs;
-png_set_pHYs;
-png_get_PLTE;
-png_set_PLTE;
-png_get_sBIT;
-png_set_sBIT;
-png_get_sRGB;
-png_set_sRGB;
-png_set_sRGB_gAMA_and_cHRM;
-png_get_iCCP;
-png_set_iCCP;
-png_get_sPLT;
-png_set_sPLT;
-png_get_text;
-png_set_text;
-png_get_tIME;
-png_set_tIME;
-png_get_tRNS;
-png_set_tRNS;
-png_get_sCAL;
-png_set_sCAL;
-png_set_keep_unknown_chunks;
-png_handle_as_unknown;
-png_set_unknown_chunks;
-png_set_unknown_chunk_location;
-png_get_unknown_chunks;
-png_set_invalid;
-png_read_png;
-png_write_png;
-png_get_copyright;
-png_get_header_ver;
-png_get_header_version;
-png_get_libpng_ver;
-png_permit_mng_features;
-png_get_mmx_flagmask;
-png_get_asm_flagmask;
-png_get_asm_flags;
-png_get_mmx_bitdepth_threshold;
-png_get_mmx_rowbytes_threshold;
-png_set_asm_flags;
-png_set_mmx_thresholds;
-png_mmx_support;
-png_set_strip_error_numbers;
-png_set_user_limits;
-png_get_user_width_max;
-png_get_user_height_max;
-png_get_uint_32;
-png_get_uint_16;
-png_get_int_32;
-png_get_uint_31;
-png_save_uint_32;
-png_save_int_32;
-png_save_uint_16;
-local: *; };

dependencies/libpng/src

@@ -1 +0,0 @@
-Subproject commit 6c445538879f9e916f8e62723d2ac7cd77d96191

dependencies/libpng/zlib/CMakeLists.txt

@@ -1,16 +0,0 @@
-project(zlib)
-
-# Silence Warnings
-add_compile_options(-w)
-
-## zlib
-
-# Download
-set(CMAKE_POLICY_DEFAULT_CMP0022 NEW) # Fix Error
-add_subdirectory(src EXCLUDE_FROM_ALL)
-
-# Ensure Build
-add_custom_target(zlib-build ALL DEPENDS zlibstatic)
-
-# License
-install(FILES src/LICENSE DESTINATION "${MCPI_LEGAL_DIR}/zlib")

dependencies/libpng/zlib/src

@@ -1 +0,0 @@
-Subproject commit 09155eaa2f9270dc4ed1fa13e2b4b2613e6e4851

dependencies/minecraft-pi/CMakeLists.txt

@@ -17,5 +17,13 @@ install(
     DESTINATION "${MCPI_INSTALL_DIR}/game"
     USE_SOURCE_PERMISSIONS
     REGEX "api" EXCLUDE
+    REGEX "data" EXCLUDE
 )
+if(NOT MCPI_HEADLESS_MODE)
+    install(
+        DIRECTORY "${minecraft-pi_SOURCE_DIR}/data/"
+        DESTINATION "${MCPI_INSTALL_DIR}/game/data"
+        USE_SOURCE_PERMISSIONS
+    )
+endif()
 install_symlink("game/minecraft-pi" "${MCPI_INSTALL_DIR}/minecraft-pi")

dependencies/stb_image/CMakeLists.txt

@@ -0,0 +1,28 @@
+project(stb_image)
+
+# Silence Warnings
+add_compile_options(-w)
+
+## stb_image
+
+# Build
+add_library(stb_image SHARED src/stb_image_impl.c)
+target_include_directories(
+    stb_image
+    PUBLIC
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+    "$<INSTALL_INTERFACE:${MCPI_SDK_INCLUDE_DIR}/stb_image>"
+)
+target_link_libraries(stb_image PRIVATE m)
+target_compile_definitions(stb_image PUBLIC STBI_ONLY_PNG)
+
+# Install
+install(TARGETS stb_image DESTINATION "${MCPI_LIB_DIR}")
+install(
+    DIRECTORY "include/"
+    DESTINATION "${MCPI_SDK_INCLUDE_DIR}/stb_image"
+)
+install(TARGETS stb_image EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
+
+# License
+install(FILES include/LICENSE DESTINATION "${MCPI_LEGAL_DIR}/stb_image")

dependencies/stb_image/include

@@ -0,0 +1 @@
+Subproject commit beebb24b945efdea3b9bba23affb8eb3ba8982e7

dependencies/stb_image/src/stb_image_impl.c

@@ -0,0 +1,5 @@
+#define STB_IMAGE_IMPLEMENTATION
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+
+#include "stb_image.h"
+#include "stb_image_write.h"

launcher/src/bootstrap.c

@@ -186,7 +186,7 @@ void pre_bootstrap(int argc, char *argv[]) {
 // Copy SDK Into ~/.minecraft-pi
 void run_simple_command(const char *const command[], const char *error) {
     int status = 0;
-    char *output = run_command(command, &status);
+    char *output = run_command(command, &status, NULL);
     if (output != NULL) {
         free(output);
     }

launcher/src/client/launcher.cpp

@@ -85,7 +85,7 @@ static void run_command_and_set_env(const char *env_name, const char *command[])
     if (getenv(env_name) == NULL) {
         // Run
         int return_code;
-        char *output = run_command(command, &return_code);
+        char *output = run_command(command, &return_code, NULL);
         if (output != NULL) {
             // Trim
             int length = strlen(output);

libreborn/CMakeLists.txt

@@ -32,3 +32,17 @@ if(BUILD_ARM_COMPONENTS)
     # SDK
     install(TARGETS reborn-patch EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
 endif()
+
+# Fake LibPNG To Satisy Symbol Versioning Requirement
+if(BUILD_ARM_COMPONENTS)
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fake-libpng.c" "")
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fake-libpng.vers" "PNG12_0 { global: *; };")
+    add_library(fake-libpng SHARED "${CMAKE_CURRENT_BINARY_DIR}/fake-libpng.c")
+    set_target_properties(fake-libpng PROPERTIES
+        OUTPUT_NAME "png12"
+        SOVERSION 0
+        LINK_OPTIONS "LINKER:--version-script=${CMAKE_CURRENT_BINARY_DIR}/fake-libpng.vers"
+    )
+    # Install
+    install(TARGETS fake-libpng DESTINATION "${MCPI_LIB_DIR}")
+endif()

libreborn/include/libreborn/exec.h

@@ -36,7 +36,7 @@ char *get_binary_directory();
 #define CHILD_PROCESS_TAG "(Child Process) "
 
 // Run Command And Get Output
-char *run_command(const char *const command[], int *exit_status);
+char *run_command(const char *const command[], int *exit_status, size_t *output_size);
 #define is_exit_status_success(status) (WIFEXITED(status) && WEXITSTATUS(status) == 0)
 
 // Get Exit Status String

libreborn/src/util/exec.c

@@ -68,7 +68,7 @@ char *get_binary_directory() {
 }
 
 // Run Command And Get Output
-char *run_command(const char *const command[], int *exit_status) {
+char *run_command(const char *const command[], int *exit_status, size_t *output_size) {
     // Store Output
     int output_pipe[2];
     safe_pipe2(output_pipe, 0);
@@ -149,7 +149,12 @@ char *run_command(const char *const command[], int *exit_status) {
                 output = new_output;
             }
         }
-        output[position] = '\0';
+        output[position++] = '\0';
+
+        // Return Output Size
+        if (output_size != NULL) {
+            *output_size = position;
+        }
 
         // Get Return Code
         int status;

media-layer/CMakeLists.txt

@@ -29,11 +29,11 @@ endif()
 add_subdirectory(extras)
 
 # Add Core
-if((BUILD_NATIVE_COMPONENTS AND MCPI_USE_MEDIA_LAYER_PROXY) OR (BUILD_ARM_COMPONENTS AND NOT MCPI_USE_MEDIA_LAYER_PROXY))
+if(BUILD_MEDIA_LAYER_CORE)
     add_subdirectory(core)
 endif()
 
 # Add Proxy
-if(MCPI_USE_MEDIA_LAYER_PROXY)
+if(MCPI_USE_MEDIA_LAYER_PROXY OR BUILD_ARM_COMPONENTS)
     add_subdirectory(proxy)
 endif()

media-layer/core/CMakeLists.txt

@@ -1,8 +1,5 @@
 project(media-layer-core)
 
-# Dependencies
-add_subdirectory(dependencies)
-
 # OpenGL
 add_subdirectory(gles)
 
@@ -15,18 +12,19 @@ else()
 endif()
 
 # Build
-add_library(media-layer-core SHARED ${CORE_SRC}) # Dependencies Are Setup Later
+add_library(media-layer-core-real SHARED ${CORE_SRC}) # Dependencies Are Setup Later
-# Install
+set_target_properties(media-layer-core-real PROPERTIES OUTPUT_NAME "media-layer-core")
-install(TARGETS media-layer-core DESTINATION "${MCPI_LIB_DIR}")
+if(BUILD_NATIVE_COMPONENTS)
-if(BUILD_ARM_COMPONENTS)
+    add_library(media-layer-core ALIAS media-layer-core-real)
-    install(TARGETS media-layer-core EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
 endif()
+# Install
+install(TARGETS media-layer-core-real DESTINATION "${MCPI_LIB_DIR}")
 
 # Link
-target_link_libraries(media-layer-core PUBLIC media-layer-headers PUBLIC reborn-util PUBLIC GLESv1_CM PUBLIC dl)
+target_link_libraries(media-layer-core-real PUBLIC media-layer-headers PUBLIC reborn-util PUBLIC GLESv1_CM PUBLIC dl)
 if(NOT MCPI_HEADLESS_MODE)
     # OpenAL
     find_library(OPENAL_LIBRARY NAMES openal REQUIRED)
     # Link
-    target_link_libraries(media-layer-core PRIVATE "${OPENAL_LIBRARY}" PRIVATE m PRIVATE glfw PRIVATE LIB_LIEF)
+    target_link_libraries(media-layer-core-real PRIVATE "${OPENAL_LIBRARY}" PRIVATE m PRIVATE glfw PRIVATE LIB_LIEF)
 endif()

media-layer/core/dependencies/CMakeLists.txt

@@ -1,6 +0,0 @@
-project(media-layer-core-dependencies)
-
-# GLFW
-if(NOT MCPI_HEADLESS_MODE)
-    add_subdirectory(glfw)
-endif()

media-layer/core/gles/CMakeLists.txt

@@ -1,8 +1,5 @@
 project(media-layer-gles)
 
-# Dependencies
-add_subdirectory(dependencies)
-
 # Build
 if(MCPI_HEADLESS_MODE)
     # Stubs For Headless Mode
@@ -17,11 +14,3 @@ else()
     add_library(GLESv1_CM OBJECT src/passthrough.c)
     target_link_libraries(GLESv1_CM PRIVATE glfw media-layer-headers)
 endif()
-
-# SDK
-if(BUILD_ARM_COMPONENTS)
-    install(TARGETS GLESv1_CM EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
-    if(MCPI_USE_GLES1_COMPATIBILITY_LAYER)
-        install(TARGETS gles-compatibility-layer EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
-    endif()
-endif()

media-layer/core/gles/dependencies/CMakeLists.txt

@@ -1,6 +0,0 @@
-project(media-layer-core-gles-dependencies)
-
-# GLES Compatibility Layer
-if(NOT MCPI_HEADLESS_MODE AND MCPI_USE_GLES1_COMPATIBILITY_LAYER)
-    add_subdirectory(gles-compatibility-layer)
-endif()

media-layer/include/GLES

@@ -1 +1 @@
-../core/gles/dependencies/gles-compatibility-layer/src/include/GLES
+../../dependencies/gles-compatibility-layer/src/include/GLES

media-layer/proxy/CMakeLists.txt

@@ -17,6 +17,8 @@ elseif(BUILD_ARM_COMPONENTS)
     target_link_libraries(media-layer-core media-layer-headers reborn-util)
     target_compile_definitions(media-layer-core PRIVATE -DMEDIA_LAYER_PROXY_SERVER)
     # Install
+    if(MCPI_USE_MEDIA_LAYER_PROXY)
         install(TARGETS media-layer-core DESTINATION "${MCPI_LIB_DIR}")
+    endif()
     install(TARGETS media-layer-core EXPORT sdk DESTINATION "${MCPI_SDK_LIB_DIR}")
 endif()

mods/CMakeLists.txt

@@ -71,9 +71,6 @@ else()
     add_library(touch SHARED src/touch/touch.cpp)
     target_link_libraries(touch mods-headers reborn-patch symbols feature)
 
-    add_library(textures SHARED src/textures/textures.cpp)
-    target_link_libraries(textures mods-headers reborn-patch symbols media-layer-core feature misc)
-
     add_library(atlas SHARED src/atlas/atlas.cpp)
     target_link_libraries(atlas mods-headers reborn-patch symbols feature media-layer-core)
 
@@ -81,12 +78,22 @@ else()
     target_link_libraries(title-screen mods-headers reborn-patch symbols feature compat)
 
     add_library(skin SHARED src/skin/skin.cpp src/skin/loader.cpp)
-    target_link_libraries(skin mods-headers reborn-patch symbols feature misc textures media-layer-core png12)
+    target_link_libraries(skin mods-headers reborn-patch symbols feature misc textures media-layer-core)
 
     add_library(benchmark SHARED src/benchmark/benchmark.cpp)
     target_link_libraries(benchmark mods-headers reborn-patch symbols compat misc media-layer-core)
 endif()
 
+if(NOT MCPI_HEADLESS_MODE)
+    add_library(textures SHARED src/textures/textures.cpp)
+else()
+    add_library(textures SHARED src/textures/headless.cpp)
+endif()
+target_link_libraries(textures mods-headers reborn-patch symbols)
+if(NOT MCPI_HEADLESS_MODE)
+    target_link_libraries(textures media-layer-core feature misc stb_image)
+endif()
+
 add_library(override SHARED src/override/override.c)
 target_link_libraries(override mods-headers reborn-patch symbols dl home)
 
@@ -104,7 +111,7 @@ target_link_libraries(bucket mods-headers reborn-patch symbols feature misc)
 
 if(NOT MCPI_HEADLESS_MODE)
     add_library(screenshot SHARED src/screenshot/screenshot.c)
-    target_link_libraries(screenshot mods-headers reborn-util media-layer-core png12)
+    target_link_libraries(screenshot mods-headers reborn-util media-layer-core stb_image)
 endif()
 
 add_library(home SHARED src/home/home.c)
@@ -114,19 +121,19 @@ add_library(test SHARED src/test/test.c)
 target_link_libraries(test mods-headers reborn-patch home)
 
 add_library(init SHARED src/init/init.c)
-target_link_libraries(init mods-headers reborn-util compat game-mode misc death options chat creative bucket home version test media-layer-core)
+target_link_libraries(init mods-headers reborn-util compat game-mode misc death options chat creative bucket textures home version test media-layer-core)
 if(MCPI_SERVER_MODE)
     target_link_libraries(init server)
 else()
-    target_link_libraries(init multiplayer sound camera input sign touch textures atlas title-screen skin benchmark)
+    target_link_libraries(init multiplayer sound camera input sign touch atlas title-screen skin benchmark)
 endif()
 
 ## Install Mods
-set(MODS_TO_INSTALL init compat readdir feature game-mode misc override death options chat creative bucket home version test)
+set(MODS_TO_INSTALL init compat readdir feature game-mode misc override death options chat creative bucket textures home version test)
 if(MCPI_SERVER_MODE)
     list(APPEND MODS_TO_INSTALL server)
 else()
-    list(APPEND MODS_TO_INSTALL multiplayer sound camera input sign touch textures atlas title-screen skin benchmark)
+    list(APPEND MODS_TO_INSTALL multiplayer sound camera input sign touch atlas title-screen skin benchmark)
 endif()
 if(NOT MCPI_HEADLESS_MODE)
     list(APPEND MODS_TO_INSTALL screenshot)

mods/include/mods/init/init.h

@@ -18,11 +18,11 @@ void init_input();
 void init_sign();
 void init_camera();
 void init_touch();
-void init_textures();
 void init_atlas();
 void init_title_screen();
 void init_skin();
 #endif
+void init_textures();
 void init_creative();
 void init_game_mode();
 void init_misc();

mods/src/chat/ui.c

@@ -34,7 +34,7 @@ static void *chat_thread(__attribute__((unused)) void *nop) {
         "--text", "Enter Chat Message:",
         NULL
     };
-    char *output = run_command(command, &return_code);
+    char *output = run_command(command, &return_code, NULL);
     // Handle Message
     if (output != NULL) {
         // Check Return Code

mods/src/game-mode/ui.cpp

@@ -19,7 +19,7 @@
 static char *run_command_proper(const char *command[], bool allow_empty) {
     // Run
     int return_code;
-    char *output = run_command(command, &return_code);
+    char *output = run_command(command, &return_code, NULL);
 
     // Handle Message
     if (output != NULL) {

mods/src/init/init.c

@@ -18,11 +18,11 @@ __attribute__((constructor)) static void init() {
     init_sign();
     init_camera();
     init_touch();
-    init_textures();
     init_atlas();
     init_title_screen();
     init_skin();
 #endif
+    init_textures();
     init_creative();
     init_game_mode();
     init_misc();

mods/src/misc/misc.cpp

@@ -13,12 +13,21 @@
 
 // Read Asset File
 static AppPlatform_readAssetFile_return_value AppPlatform_readAssetFile_injection(__attribute__((unused)) unsigned char *app_platform, std::string const& path) {
-    // Read File
+    // Open File
     std::ifstream stream("data/" + path, std::ios_base::binary | std::ios_base::ate);
+    if (!stream) {
+        // Does Not Exist
+        AppPlatform_readAssetFile_return_value ret;
+        ret.length = -1;
+        ret.data = NULL;
+        return ret;
+    }
+    // Read File
     long len = stream.tellg();
     char *buf = new char[len];
     stream.seekg(0, stream.beg);
     stream.read(buf, len);
+    stream.close();
     // Return String
     AppPlatform_readAssetFile_return_value ret;
     ret.length = len;

mods/src/screenshot/screenshot.c

@@ -6,7 +6,8 @@
 #include <errno.h>
 #include <sys/stat.h>
 
-#include <png.h>
+#include "stb_image.h"
+#include "stb_image_write.h"
 
 #include <libreborn/libreborn.h>
 #include <GLES/gl.h>
@@ -31,68 +32,11 @@ static void ensure_screenshots_folder(char *screenshots) {
 
 // Take Screenshot
 static int save_png(const char *filename, unsigned char *pixels, int line_size, int width, int height) {
-    // Return value
+    // Setup
-    int ret = 0;
+    stbi_flip_vertically_on_write(1);
 
-    // Variables
+    // Write Image
-    png_structp png = NULL;
+    return !stbi_write_png(filename, width, height, 4, pixels, line_size);
-    png_infop info = NULL;
-    FILE *file = NULL;
-    png_colorp palette = NULL;
-    png_bytep rows[height];
-    for (int i = 0; i < height; ++i) {
-        rows[height - i - 1] = (png_bytep) (&pixels[i * line_size]);
-    }
-
-    // Init
-    png = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-    if (!png) {
-        ret = 1;
-        goto ret;
-    }
-    info = png_create_info_struct(png);
-    if (!info) {
-        ret = 1;
-        goto ret;
-    }
-
-    // Open File
-    file = fopen(filename, "wb");
-    if (!file) {
-        ret = 1;
-        goto ret;
-    }
-
-    // Prepare To Write
-    png_init_io(png, file);
-    png_set_IHDR(png, info, width, height, 8 /* Depth */, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-    palette = (png_colorp) png_malloc(png, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
-    if (!palette) {
-        ret = 1;
-        goto ret;
-    }
-    png_set_PLTE(png, info, palette, PNG_MAX_PALETTE_LENGTH);
-    png_write_info(png, info);
-    png_set_packing(png);
-
-    // Write
-    png_write_image(png, rows);
-    png_write_end(png, info);
-
- ret:
-    // Free
-    if (palette != NULL) {
-        png_free(png, palette);
-    }
-    if (file != NULL) {
-        fclose(file);
-    }
-    if (png != NULL) {
-        png_destroy_write_struct(&png, &info);
-    }
-
-    // Return
-    return ret;
 }
 void screenshot_take(char *home) {
     // Get Directory

mods/src/skin/loader.cpp

@@ -4,13 +4,14 @@
 #include <libreborn/libreborn.h>
 #include <symbols/minecraft.h>
 
-#include <png.h>
 #include <GLES/gl.h>
 
 #include <mods/misc/misc.h>
 #include <mods/textures/textures.h>
 #include "skin-internal.h"
 
+#include "stb_image.h"
+
 // Constants
 #define SKIN_WIDTH 64
 #define SKIN_HEIGHT 32
@@ -19,68 +20,35 @@
 struct pending_skin {
     int32_t texture_id;
     char *data;
+    int size;
 };
 static std::vector<pending_skin> &get_pending_skins() {
     static std::vector<pending_skin> pending_skins;
     return pending_skins;
 }
 static pthread_mutex_t pending_skins_lock = PTHREAD_MUTEX_INITIALIZER;
-static void read_from_png(png_structp pngPtr, png_bytep data, png_size_t length) {
-    char **src = (char **) png_get_io_ptr(pngPtr);
-    memcpy(data, *src, length);
-    *src += length;
-}
 static void load_pending_skins(__attribute__((unused)) unsigned char *minecraft) {
     // Lock
     pthread_mutex_lock(&pending_skins_lock);
 
     // Loop
     for (pending_skin &skin : get_pending_skins()) {
-        // Init LibPNG
-        png_structp pngPtr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
-        if (!pngPtr) {
-            continue;
-        }
-        png_infop infoPtr = png_create_info_struct(pngPtr);
-        if (!infoPtr) {
-            png_destroy_read_struct(&pngPtr, NULL, NULL);
-            continue;
-        }
-
         // Read PNG Info
-        char *cursor = skin.data;
+        int width = 0, height = 0, channels = 0;
-        png_set_read_fn(pngPtr, (png_voidp) &cursor, read_from_png);
+        stbi_uc *img = stbi_load_from_memory((unsigned char *) skin.data, skin.size, &width, &height, &channels, STBI_rgb_alpha);
-        png_read_info(pngPtr, infoPtr);
-        int width = png_get_image_width(pngPtr, infoPtr);
-        int height = png_get_image_height(pngPtr, infoPtr);
-        if (png_get_color_type(pngPtr, infoPtr) != PNG_COLOR_TYPE_RGBA) {
-            continue;
-        }
         if (width != SKIN_WIDTH || height != SKIN_HEIGHT) {
             continue;
         }
-        int pixelSize = 4;
-
-        // Read Image
-        png_bytep *rowPtrs = new png_bytep[height];
-        unsigned char *data = new unsigned char[pixelSize * width * height];
-        int rowStrideBytes = pixelSize * width;
-        for (int i = 0; i < height; i++) {
-            rowPtrs[i] = (png_bytep) &data[i * rowStrideBytes];
-        }
-        png_read_image(pngPtr, rowPtrs);
 
         // Load Texture
         GLint last_texture;
         glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
         glBindTexture(GL_TEXTURE_2D, skin.texture_id);
-        glTexSubImage2D_with_scaling(GL_TEXTURE_2D, 0, 0, 0, width, height, SKIN_WIDTH, SKIN_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, data);
+        glTexSubImage2D_with_scaling(GL_TEXTURE_2D, 0, 0, 0, width, height, SKIN_WIDTH, SKIN_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, img);
         glBindTexture(GL_TEXTURE_2D, last_texture);
 
         // Free
-        delete[] data;
+        stbi_image_free(img);
-        png_destroy_read_struct(&pngPtr, &infoPtr, (png_infopp) 0);
-        delete[] rowPtrs;
     }
 
     // Free
@@ -118,7 +86,8 @@ static void *loader_thread(void *user_data) {
     std::string url = get_skin_server() + '/' + data->name + ".png";
     int return_code;
     const char *command[] = {"wget", "-O", "-", url.c_str(), NULL};
-    char *output = run_command(command, &return_code);
+    size_t output_size = 0;
+    char *output = run_command(command, &return_code, &output_size);
 
     // Check Success
     if (output != NULL && is_exit_status_success(return_code)) {
@@ -129,6 +98,7 @@ static void *loader_thread(void *user_data) {
         pending_skin skin;
         skin.texture_id = data->texture_id;
         skin.data = output;
+        skin.size = (int) output_size;
         pthread_mutex_lock(&pending_skins_lock);
         get_pending_skins().push_back(skin);
         pthread_mutex_unlock(&pending_skins_lock);

mods/src/textures/headless.cpp

@@ -0,0 +1,14 @@
+#include <libreborn/libreborn.h>
+#include <symbols/minecraft.h>
+#include <mods/init/init.h>
+
+// Disable Texture Loading
+static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) unsigned char *app_platform, __attribute__((unused)) std::string const& path, __attribute__((unused)) bool b) {
+    return Texture();
+}
+
+// Init
+void init_textures() {
+    // Disable Texture Loading
+    overwrite((void *) AppPlatform_linux_loadTexture, (void *) AppPlatform_linux_loadTexture_injection);
+}

mods/src/textures/textures.cpp

@@ -12,6 +12,8 @@
 #include <mods/textures/textures.h>
 #include <mods/init/init.h>
 
+#include "stb_image.h"
+
 // Animated Water
 static void Minecraft_tick_injection(unsigned char *minecraft) {
     // Tick Dynamic Textures
@@ -166,6 +168,38 @@ static void Textures_tick_glTexSubImage2D_injection(GLenum target, GLint level,
     glTexSubImage2D_with_scaling(target, level, xoffset, yoffset, width, height, 256, 256, format, type, pixels);
 }
 
+// Load Textures
+static Texture AppPlatform_linux_loadTexture_injection(__attribute__((unused)) unsigned char *app_platform, std::string const& path, bool b) {
+    Texture out;
+    std::string real_path = path;
+    if (b) {
+        real_path = "data/images/" + real_path;
+    }
+
+    // Read Image
+    int width = 0, height = 0, channels = 0;
+    stbi_uc *img = stbi_load(real_path.c_str(), &width, &height, &channels, STBI_rgb_alpha);
+    if (!img)
+    {
+        // Failed To Parse Image
+        WARN("Unable To Load Texture: %s", real_path.c_str());
+        return out;
+    }
+
+    // Copy Image
+    unsigned char *img2 = new unsigned char[width * height * channels];
+    memcpy(img2, img, width * height * channels);
+    stbi_image_free(img);
+
+    // Create Texture
+    out.width = width;
+    out.height = height;
+    out.data = img2;
+
+    // Return
+    return out;
+}
+
 // Init
 void init_textures() {
     // Tick Dynamic Textures (Animated Water)
@@ -175,4 +209,7 @@ void init_textures() {
 
     // Scale Animated Textures
     overwrite_call((void *) 0x53274, (void *) Textures_tick_glTexSubImage2D_injection);
+
+    // Load Textures
+    overwrite((void *) AppPlatform_linux_loadTexture, (void *) AppPlatform_linux_loadTexture_injection);
 }

symbols/include/symbols/minecraft.h

@@ -947,6 +947,22 @@ struct ConnectedClient {
     long time;
 };
 
+struct Texture {
+    int32_t width = 0;
+    int32_t height = 0;
+    unsigned char *data = NULL;
+    int32_t field3_0xc = 0;
+    bool field4_0x10 = true;
+    bool field5_0x11 = false;
+    int32_t field6_0x14 = 0;
+    int32_t field7_0x18 = -1;
+};
+
+// AppPlatform_linux
+
+typedef Texture (*AppPlatform_linux_loadTexture_t)(unsigned char *app_platform, std::string const& path, bool b);
+static AppPlatform_linux_loadTexture_t AppPlatform_linux_loadTexture = (AppPlatform_linux_loadTexture_t) 0x12c20;
+
 // Tile
 
 typedef unsigned char *(*Tile_setDescriptionId_t)(unsigned char *tile, std::string const& description_id);