Support separate dir for screenshots

Signed-off-by: Per Hallsmark <per.hallsmark@bitjuggler.se>

src/raylib.h

@@ -1124,6 +1124,7 @@ RLAPI bool ExportDataAsCode(const unsigned char *data, int dataSize, const char
 RLAPI char *LoadFileText(const char *fileName);                   // Load text data from file (read), returns a '\0' terminated string
 RLAPI void UnloadFileText(char *text);                            // Unload file text data allocated by LoadFileText()
 RLAPI bool SaveFileText(const char *fileName, char *text);        // Save text data to file (write), string must be '\0' terminated, returns true on success
+RLAPI bool SetScreenshotPath(const char *screenshotPath);         // Set directory where screenshots are stored, string must be '\0' terminated, dir must exist, returns true on success
 //------------------------------------------------------------------
 
 // File system functions

src/rcore.c

@@ -299,6 +299,7 @@ typedef struct CoreData {
     } Window;
     struct {
         const char *basePath;               // Base path for data storage
+        const char *screenshotPath;         // Path for screenshot storage
 
     } Storage;
     struct {
@@ -671,6 +672,10 @@ void InitWindow(int width, int height, const char *title)
     InitPlatform();
     //--------------------------------------------------------------
 
+    // Now that InitPlatform() has been made, we have a valid basePath.
+    // Lets default ScreenshotPath to it.
+    CORE.Storage.screenshotPath = CORE.Storage.basePath;
+
     // Initialize rlgl default data (buffers and shaders)
     // NOTE: CORE.Window.currentFbo.width and CORE.Window.currentFbo.height not used, just stored as globals in rlgl
     rlglInit(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height);
@@ -1849,6 +1854,14 @@ void UnloadRandomSequence(int *sequence)
 #endif
 }
 
+bool SetScreenshotPath(const char *screenshotDir)
+{
+	// TODO: verify directory exist
+	CORE.Storage.screenshotPath = screenshotDir;
+
+	return true;
+}
+
 // Takes a screenshot of current screen
 // NOTE: Provided fileName should not contain paths, saving to working directory
 void TakeScreenshot(const char *fileName)
@@ -1862,7 +1875,7 @@ void TakeScreenshot(const char *fileName)
     Image image = { imgData, (int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y), 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 };
 
     char path[512] = { 0 };
-    strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, GetFileName(fileName)));
+    strcpy(path, TextFormat("%s/%s", CORE.Storage.screenshotPath, GetFileName(fileName)));
 
     ExportImage(image, path);           // WARNING: Module required: rtextures
     RL_FREE(imgData);