build(deps): replace SOIL2 with stb for image and vorbis decoding

CMakeLists.txt

@@ -39,6 +39,8 @@ add_subdirectory(third_party/imgui)
 
 add_subdirectory(third_party/dr_libs)
 
+add_subdirectory(third_party/stb)
+
 add_executable(${PROJECT_NAME})
 
 add_subdirectory(src)
@@ -131,12 +133,12 @@ target_link_libraries(${PROJECT_NAME}
         SDL3::SDL3                                 
         glad
         OpenGL::GL
-        soil2
         Freetype::Freetype
         tomlplusplus::tomlplusplus
         imgui
         dr_libs
         tbb
+        stb
         protobuf::libprotobuf
         absl::log
         absl::check

cmake/Dependencies.cmake

@@ -13,13 +13,6 @@ find_package(Opus REQUIRED)
 
 # Third-party libraries
 
-FetchContent_Declare(
-    soil2
-    GIT_REPOSITORY https://github.com/SpartanJ/SOIL2.git
-    GIT_TAG 1.31  
-    
-)
-FetchContent_MakeAvailable(soil2)
 FetchContent_Declare(
     tomlplusplus
     GIT_REPOSITORY https://github.com/marzer/tomlplusplus.git

include/Cubed/tools/shader_tools.hpp

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <SOIL2.h>
 #include <glad/glad.h>
 #include <string>
 #include <utility>

include/stb/.clang-format

@@ -1,2 +0,0 @@
-DisableFormat: true
-SortIncludes: false

src/audio/audio_loader.cpp

@@ -2,12 +2,10 @@
 
 #include "Cubed/tools/log.hpp"
 
-#define STB_VORBIS_IMPLEMENTATION
-#include "stb/stb_vorbis.h"
-
 #include <dr_flac.h>
 #include <dr_mp3.h>
 #include <dr_wav.h>
+#include <stb_vorbis.h>
 
 namespace fs = std::filesystem;
 namespace Cubed {

src/tools/shader_tools.cpp

@@ -5,6 +5,7 @@
 
 #include <filesystem>
 #include <fstream>
+#include <stb_image.h>
 #include <unordered_set>
 
 namespace Cubed {
@@ -171,7 +172,7 @@ void delete_image_data(unsigned char* data) {
     if (data == nullptr) {
         return;
     }
-    SOIL_free_image_data(data);
+    stbi_image_free(data);
 }
 
 ImageData load_image_data(const std::string& tex_image_path, bool check_exist) {
@@ -181,9 +182,8 @@ ImageData load_image_data(const std::string& tex_image_path, bool check_exist) {
     }
     unsigned char* data = nullptr;
     int width, height, channels;
-    data =
-        SOIL_load_image(path.string().c_str(), &width, &height, &channels,
-                        SOIL_LOAD_RGBA); // Materials are all RGBA; must force
+    data = stbi_load(path.string().c_str(), &width, &height, &channels,
+                     STBI_rgb_alpha); // Materials are all RGBA; must force
     // RGBA, otherwise sampling will fail.
     if (check_exist) {
         if (!data) {

src/ui/credits_ui.cpp

@@ -50,7 +50,6 @@ void CreditsUI::init() {
         add_text("Libraries Used", 0.8f);
         add_text("GLAD – MIT / Apache-2.0");
         add_text("SDL3 – zlib");
-        add_text("SOIL2 – MIT-0");
         add_text("GLM – MIT");
         add_text("FreeType – FTL / GPL-2.0+");
         add_text("toml++ – MIT");
@@ -65,6 +64,7 @@ void CreditsUI::init() {
         add_text("nlohmann/json – MIT");
         add_text("HarfBuzz – Old-MIT / GPL-2.0+");
         add_text("utf8cpp – BSL-1.0");
+        add_text("stb - public domain / MIT licensed");
         add_text("Music", 0.8f);
         add_text("'Find a Peaceful Place' by ROZKOL (Free Music Archive), CC "
                  "BY 4.0.");

third_party/stb/CMakeLists.txt

@@ -0,0 +1,8 @@
+add_library(stb STATIC
+    stb_vorbis.cpp
+    stb_image.cpp
+)
+
+target_include_directories(stb PUBLIC
+    ${CMAKE_SOURCE_DIR}/third_party/stb
+)

third_party/stb/stb_image.cpp

@@ -0,0 +1,2 @@
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"

third_party/stb/stb_vorbis.cpp

@@ -0,0 +1,2 @@
+#define STB_VORBIS_IMPLEMENTATION
+#include "stb_vorbis.h"