From ecb3c7bf765a84413ac0a53ffca7c8bf470c821f Mon Sep 17 00:00:00 2001
From: neonloop
Date: Sat, 22 Jul 2023 19:29:58 +0000
Subject: Opens internal file browser to last played content on core

---
 core.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 core.h |  2 ++
 main.c |  2 ++
 menu.c | 20 ++++++++++++++------
 4 files changed, 61 insertions(+), 6 deletions(-)

diff --git a/core.c b/core.c
index 61a14b5..6f28d28 100644
--- a/core.c
+++ b/core.c
@@ -704,6 +704,49 @@ finish:
 	return ret;
 }
 
+void core_load_last_opened(char *buf, size_t len) {
+	char filename[MAX_PATH];
+	FILE *file;
+	size_t count;
+
+	if (!len)
+		goto finish;
+
+	snprintf(filename, MAX_PATH, "%s%s", config_dir, "last_opened.txt");
+	file = fopen(filename, "r");
+
+	if (!file)
+		goto finish;
+
+	count = fread(buf, 1, len - 1, file);
+	buf[count] = '\0';
+
+finish:
+	if (file)
+		fclose(file);
+}
+
+void core_save_last_opened(struct content *content) {
+	char filename[MAX_PATH];
+	FILE *file;
+	size_t len = strlen(content->path);
+
+	if (!len)
+		goto finish;
+
+	snprintf(filename, MAX_PATH, "%s%s", config_dir, "last_opened.txt");
+	file = fopen(filename, "w");
+
+	if (!file)
+		goto finish;
+
+	fwrite(content->path, 1, len, file);
+
+finish:
+	if (file)
+		fclose(file);
+}
+
 void core_apply_cheats(struct cheats *cheats) {
 	if (!cheats)
 		return;
diff --git a/core.h b/core.h
index a267b6e..8049aa7 100644
--- a/core.h
+++ b/core.h
@@ -64,6 +64,8 @@ void core_extract_name(const char* core_file, char *buf, size_t len);
 int core_open(const char *corefile);
 void core_load(void);
 int core_load_content(struct content *content);
+void core_load_last_opened(char *buf, size_t len);
+void core_save_last_opened(struct content *content);
 void core_apply_cheats(struct cheats *cheats);
 void core_run_frame(void);
 void core_unload_content(void);
diff --git a/main.c b/main.c
index 9b3c633..1408a46 100644
--- a/main.c
+++ b/main.c
@@ -673,6 +673,8 @@ int main(int argc, char **argv) {
 		quit(-1);
 	}
 
+	core_save_last_opened(content);
+
 	load_config_keys();
 
 #ifdef MMENU
diff --git a/menu.c b/menu.c
index 66ee8ef..a76ea44 100644
--- a/menu.c
+++ b/menu.c
@@ -250,17 +250,25 @@ const char *select_content(void) {
 
 	if (content && strlen(content->path)) {
 		strncpy(content_path, content->path, sizeof(content_path) - 1);
-	} else if (getenv("CONTENT_DIR")) {
-		strncpy(content_path, getenv("CONTENT_DIR"), sizeof(content_path) - 1);
-#ifdef CONTENT_DIR
 	} else {
-		strncpy(content_path, CONTENT_DIR, sizeof(content_path) - 1);
+		core_load_last_opened(content_path, sizeof(content_path));
+	}
+
+	if (!content_path[0]) {
+		if (getenv("CONTENT_DIR")) {
+			strncpy(content_path, getenv("CONTENT_DIR"), sizeof(content_path) - 1);
+#ifdef CONTENT_DIR
+		} else {
+			strncpy(content_path, CONTENT_DIR, sizeof(content_path) - 1);
 #else
-	} else if (getenv("HOME")) {
-		strncpy(content_path, getenv("HOME"), sizeof(content_path) - 1);
+		} else if (getenv("HOME")) {
+			strncpy(content_path, getenv("HOME"), sizeof(content_path) - 1);
 #endif
+		}
 	}
 
+	content_path[sizeof(content_path) - 1] = '\0';
+
 	if (extensions) {
 		for (size = 0; extensions[size]; size++)
 			;
-- 
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