From 7172e6428cf6c880ae2c70ca35cfaf237e58cd7f Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Sat, 19 Jul 2014 17:48:37 -0700
Subject: [PATCH] Create concept of state directory

---
 src/gba/gba-thread.c          | 34 ++++++++++++++++++++++------------
 src/gba/gba-thread.h          |  3 ++-
 src/platform/sdl/sdl-events.c |  8 ++++----
 3 files changed, 28 insertions(+), 17 deletions(-)

diff --git a/src/gba/gba-thread.c b/src/gba/gba-thread.c
index d46710017..9029ba9b0 100644
--- a/src/gba/gba-thread.c
+++ b/src/gba/gba-thread.c
@@ -170,11 +170,12 @@ static THREAD_ENTRY _GBAThreadRun(void* context) {
 
 void GBAMapOptionsToContext(struct StartupOptions* opts, struct GBAThread* threadContext) {
 	if (opts->dirmode) {
-		threadContext->gamedir = VDirOpen(opts->fname);
+		threadContext->gameDir = VDirOpen(opts->fname);
+		threadContext->stateDir = threadContext->gameDir;
 	} else {
 		threadContext->rom = VFileOpen(opts->fname, O_RDONLY);
 #if ENABLE_LIBZIP
-		threadContext->gamedir = VDirOpenZip(opts->fname, 0);
+		threadContext->gameDir = VDirOpenZip(opts->fname, 0);
 #endif
 	}
 	threadContext->fname = opts->fname;
@@ -206,12 +207,12 @@ bool GBAThreadStart(struct GBAThread* threadContext) {
 		threadContext->rom = 0;
 	}
 
-	if (threadContext->gamedir) {
-		threadContext->gamedir->rewind(threadContext->gamedir);
-		struct VDirEntry* dirent = threadContext->gamedir->listNext(threadContext->gamedir);
+	if (threadContext->gameDir) {
+		threadContext->gameDir->rewind(threadContext->gameDir);
+		struct VDirEntry* dirent = threadContext->gameDir->listNext(threadContext->gameDir);
 		while (dirent) {
 			struct Patch patchTemp;
-			struct VFile* vf = threadContext->gamedir->openFile(threadContext->gamedir, dirent->name(dirent), O_RDONLY);
+			struct VFile* vf = threadContext->gameDir->openFile(threadContext->gameDir, dirent->name(dirent), O_RDONLY);
 			if (!vf) {
 				continue;
 			}
@@ -222,11 +223,12 @@ bool GBAThreadStart(struct GBAThread* threadContext) {
 			} else {
 				vf->close(vf);
 			}
-			dirent = threadContext->gamedir->listNext(threadContext->gamedir);
+			dirent = threadContext->gameDir->listNext(threadContext->gameDir);
 		}
 
-		// TODO: Differentiate ZIPs and filesystem directories
-		threadContext->save = threadContext->gamedir->openFile(threadContext->gamedir, "sram.sav", O_RDWR | O_CREAT);
+	}
+	if (threadContext->stateDir) {
+		threadContext->save = threadContext->stateDir->openFile(threadContext->stateDir, "sram.sav", O_RDWR | O_CREAT);
 	}
 
 	if (!threadContext->rom) {
@@ -360,9 +362,17 @@ void GBAThreadJoin(struct GBAThread* threadContext) {
 		threadContext->patch = 0;
 	}
 
-	if (threadContext->gamedir) {
-		threadContext->gamedir->close(threadContext->gamedir);
-		threadContext->gamedir = 0;
+	if (threadContext->gameDir) {
+		if (threadContext->stateDir == threadContext->gameDir) {
+			threadContext->stateDir = 0;
+		}
+		threadContext->gameDir->close(threadContext->gameDir);
+		threadContext->gameDir = 0;
+	}
+
+	if (threadContext->stateDir) {
+		threadContext->stateDir->close(threadContext->stateDir);
+		threadContext->stateDir = 0;
 	}
 }
 
diff --git a/src/gba/gba-thread.h b/src/gba/gba-thread.h
index 4b2484d70..a870b9610 100644
--- a/src/gba/gba-thread.h
+++ b/src/gba/gba-thread.h
@@ -47,7 +47,8 @@ struct GBAThread {
 	struct GBAVideoRenderer* renderer;
 	struct GBASIODriverSet sioDrivers;
 	struct ARMDebugger* debugger;
-	struct VDir* gamedir;
+	struct VDir* gameDir;
+	struct VDir* stateDir;
 	struct VFile* rom;
 	struct VFile* save;
 	struct VFile* bios;
diff --git a/src/platform/sdl/sdl-events.c b/src/platform/sdl/sdl-events.c
index d0844a6b5..aa2b2ef2b 100644
--- a/src/platform/sdl/sdl-events.c
+++ b/src/platform/sdl/sdl-events.c
@@ -149,21 +149,21 @@ static void _GBASDLHandleKeypress(struct GBAThread* context, struct GBASDLEvents
 					GBAThreadContinue(context);
 					break;
 				case SDLK_t:
-					if (context->gamedir) {
+					if (context->stateDir) {
 						GBAThreadInterrupt(context);
 						GBARRStopPlaying(context->gba);
-						GBARRSave(context->gba->rr, context->gamedir);
+						GBARRSave(context->gba->rr, context->stateDir);
 						GBAThreadContinue(context);
 					}
 					break;
 				case SDLK_y:
-					if (context->gamedir) {
+					if (context->stateDir) {
 						GBAThreadReset(context);
 						GBAThreadInterrupt(context);
 						GBARRStopRecording(context->gba);
 						GBARRContextDestroy(context->gba);
 						GBARRContextCreate(context->gba);
-						if (GBARRLoad(context->gba->rr, context->gamedir)) {
+						if (GBARRLoad(context->gba->rr, context->stateDir)) {
 							GBARRStartPlaying(context->gba);
 						}
 						GBAThreadContinue(context);