feat: install process

src/wallpaper.c

@@ -69,7 +69,21 @@ Vector2 hyprland_get_cursor_position()
 
 Texture2D load_texture_from_file(const char *file_path)
 {
-    Texture2D texture = LoadTexture(file_path);
+    Texture2D texture = {0};
+
+    if (FileExists(file_path))
+    {
+        texture = LoadTexture(file_path);
+    }
+    else
+    {
+        const char *system_path = TextFormat("/usr/share/wallpaper/%s", file_path);
+        if (FileExists(system_path))
+        {
+            texture = LoadTexture(system_path);
+        }
+    }
+
     if (texture.id == 0)
     {
         TraceLog(LOG_ERROR, "Failed to load texture from file: %s", file_path);
@@ -77,6 +91,31 @@ Texture2D load_texture_from_file(const char *file_path)
     return texture;
 }
 
+Shader load_shader_from_file(const char *vs_path, const char *fs_path)
+{
+    Shader shader = {0};
+
+    if (FileExists(vs_path) && FileExists(fs_path))
+    {
+        shader = LoadShader(vs_path, fs_path);
+    }
+    else
+    {
+        const char *system_vs_path = TextFormat("/usr/share/wallpaper/%s", vs_path);
+        const char *system_fs_path = TextFormat("/usr/share/wallpaper/%s", fs_path);
+        if (FileExists(system_vs_path) && FileExists(system_fs_path))
+        {
+            shader = LoadShader(system_vs_path, system_fs_path);
+        }
+    }
+
+    if (shader.id == 0)
+    {
+        TraceLog(LOG_ERROR, "Failed to load shader from files: %s, %s", vs_path, fs_path);
+    }
+    return shader;
+}
+
 int main(void)
 {
     InitWindow(WIDTH, HEIGHT, "pihkaal-wallpaper");
@@ -92,7 +131,7 @@ int main(void)
     RenderTexture2D target = LoadRenderTexture(WIDTH, HEIGHT);
 
     // initialize shader
-    Shader shader = LoadShader("resources/shaders/basic.vs", "resources/shaders/distance_field.fs");
+    Shader shader = load_shader_from_file("resources/shaders/basic.vs", "resources/shaders/distance_field.fs");
 
     int resolutionLoc = GetShaderLocation(shader, "resolution");
     int mousePosLoc = GetShaderLocation(shader, "mousePos");
@@ -142,8 +181,6 @@ int main(void)
 
         DrawTextureRec(backgroundTex, (Rectangle){0, 0, screenWidth, screenHeight}, (Vector2){0, 0}, WHITE);
 
-        DrawText(TextFormat("Distance Field | x: %.0f, y: %.0f | frame: %.2f ms", mousePos.x, mousePos.y, GetFrameTime() * 1000), 10, 10, 20, WHITE);
-
         EndDrawing();
     }