1.01a

Author: BenjaminUrquhart

runner-extension/FakeChange/RunnerPreload.c

@@ -46,7 +46,8 @@ void init() {
 	if(!file) {
 		perror("fopen()");
 		fprintf(stderr, "Data file not found.");
-		return;
+		exit(1);
+		//return;
 	}
 	// Get pointer to game save folder name
 	fseek(file, 0x14, SEEK_SET);

runner-extension/README.txt

@@ -10,10 +10,14 @@ You only need to run the patcher once per update.
 Most likely, your save files will be within the DELTARUNE folder instead of the normal save location. If you're having trouble with saves not saving or going to the wrong place, this is why.
 
 
-IMPORTANT: For use in libTAS, you must remove the CAP_CHECKPOINT_RESTORE flag from the libTAS binary as having it enables secure mode for the process which stops me from loading my native library.
+IMPORTANT: For use in libTAS, you must remove the CAP_CHECKPOINT_RESTORE flag from the libTAS binary as having it enables secure mode for the process which stops me from loading my native library. The provided script should do it for you.
 
 Version History:
-- 1.1:
+- 1.01a:
+	- libtas.sh now removes CAP_CHECKPOINT_RESTORE for you.
+	- gcc should no longer be required to run the patcher.
+	- Better error logging.
+- 1.01:
 	- Fixed libtas.sh.
 	- Preserve command-line arguments when starting chapters.
 	- Added basic support for in-place patching for future updates.

runner-extension/fakechange_patcher.sh

@@ -10,15 +10,22 @@ if Patcher/FakeChangePatcher DELTARUNE; then
 	if ! [ -d lib ]; then
 		mkdir lib
 	fi
-	
-	gcc -c -fpic ../FakeChange/RunnerPreload.c
-	gcc -shared -o lib/libfcpreload.so RunnerPreload.o
-	rm RunnerPreload.o
 
-	gcc -c -fpic ../FakeChange/FakeChange.c
-	gcc -shared -o lib/libfakechange.so FakeChange.o
-	rm FakeChange.o
+	if command -v gcc; then
+		echo "Found gcc, compiling libraries..."
+		gcc -c -fpic ../FakeChange/RunnerPreload.c
+		gcc -shared -o lib/libfcpreload.so RunnerPreload.o
+		rm RunnerPreload.o
+
+		gcc -c -fpic ../FakeChange/FakeChange.c
+		gcc -shared -o lib/libfakechange.so FakeChange.o
+		rm FakeChange.o
+	else
+		echo "Copying libraries..."
+		cp ../FakeChange/*.so lib
+	fi
 	cd ..
+	echo "Done"
 
 else
 	echo "Failed to run patcher"

runner-extension/libtas.sh

@@ -1,4 +1,20 @@
 #!/bin/bash
+
+if ! [ -e DELTARUNE/chapter0/game.unx ]; then
+	echo "WARNING: unable to locate launcher data file"
+fi
+
+libtas_path=$(which libTAS)
+
+if setcap -v cap_checkpoint_restore+eip $libtas_path > /dev/null; then
+	echo "libTAS has the CAP_CHECKPOINT_RESTORE flag which needs to be disabled for FakeChange to work."
+	echo "If a password prompt appears below, please enter your user password to remove the flag."
+	if ! sudo setcap cap_checkpoint_restore-eip $libtas_path; then
+		echo "Failed to remove flag."
+		exit
+	fi
+fi
+
 cd DELTARUNE
 LD_PRELOAD=./lib/libfcpreload.so LD_LIBRARY_PATH=./lib:$LD_LIBRARY_PATH libTAS
 cd ..