feat(资源加载): 替换stb_image为SDL_image并添加脚本解析功能

- 将stb_image替换为SDL_image以解决Switch平台兼容性问题
- 添加PVF资源包解析器和脚本解析器功能
- 修改各平台配置文件添加SDL_image依赖
- 更新纹理加载逻辑使用SDL_image API
- 新增脚本解析相关类用于处理游戏脚本数据

platform/linux.lua

@@ -1,5 +1,6 @@
 
 add_requires("libsdl2", {configs = {shared = true,wayland = true}})
+add_requires("libsdl2_image")
 add_requires("glm")
 
 target("Frostbite2D")
@@ -12,6 +13,7 @@ target("Frostbite2D")
     add_includedirs(path.join(os.projectdir(), "Game/include"))
 
     add_packages("libsdl2")
+    add_packages("libsdl2_image")
     add_packages("glm")
 
     -- 复制着色器文件到输出目录

platform/mingw.lua

@@ -2,6 +2,7 @@
 set_toolchains("mingw")
 
 add_requires("libsdl2", {configs = {shared = true}})
+add_requires("libsdl2_image", {configs = {shared = true}})
 add_requires("glm")
 
 target("Frostbite2D")
@@ -14,6 +15,7 @@ target("Frostbite2D")
     add_includedirs(path.join(os.projectdir(), "Game/include"))
 
     add_packages("libsdl2")
+    add_packages("libsdl2_image")
     add_packages("glm")
 
     -- 复制 assets 目录到输出目录

platform/switch.lua

@@ -40,9 +40,9 @@ target("Frostbite2D")
     add_includedirs(path.join(devkitPro, "portlibs/switch/include/SDL2"))
     add_linkdirs(path.join(devkitPro, "portlibs/switch/lib"))
 
-    add_syslinks("SDL2_mixer", "SDL2", "opusfile", "opus", "vorbisidec", "ogg",
-                         "modplug", "mpg123", "FLAC", "GLESv2", "EGL", "glapi", "drm_nouveau",
-                         {public = true})
+    add_syslinks("SDL2_mixer", "SDL2_image", "SDL2", "webp", "png", "jpeg", "z", "opusfile", "opus", "vorbisidec", "ogg",
+                          "modplug", "mpg123", "FLAC", "GLESv2", "EGL", "glapi", "drm_nouveau",
+                          {public = true})
     add_syslinks("nx", "m")