dirs: New functions

4 files changed, 83 insertions, 0 deletions

diff --git a/src/dirs.c b/src/dirs.c
new file mode 100644
index 0000000..66ac0ec
--- /dev/null
+++ b/src/dirs.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Maze Fight
+ *
+ * Maze Fight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Maze Fight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libgen.h>
+#include <stdlib.h>
+#include <string.h>
+#include "dirs.h"
+
+static const char *_mf_fonts_dir;
+
+void
+mf_find_dirs(char *program_name)
+{
+	char *program_dir;
+
+	program_dir = realpath(dirname(program_name), NULL);
+	if (strcmp(program_dir, ABS_BUILDDIR) == 0) {
+		/* Running in place */
+		_mf_fonts_dir = ABS_BUILDDIR "/fonts/FifteenTwenty/src";
+	} else {
+		/* Running from installation */
+		_mf_fonts_dir = FONTSDIR;
+	}
+	free(program_dir);
+}
+
+const char *
+mf_get_fonts_dir(void)
+{
+	return _mf_fonts_dir;
+}
diff --git a/src/dirs.h b/src/dirs.h
new file mode 100644
index 0000000..1159ed2
--- /dev/null
+++ b/src/dirs.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Maze Fight
+ *
+ * Maze Fight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Maze Fight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MF_DIRS_H_
+#define MF_DIRS_H_
+
+void
+mf_find_dirs(char *program_name);
+
+const char *
+mf_get_fonts_dir(void)
+	__attribute__((__pure__));
+
+#endif  /* MF_DIRS_H_ */
diff --git a/src/local.mk b/src/local.mk
index c72cb44..891139c 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -1,5 +1,7 @@
 mazefight_SOURCES += \
 	%reldir%/defs.h \
+	%reldir%/dirs.c \
+	%reldir%/dirs.h \
 	%reldir%/main.c \
 	%reldir%/maze.c \
 	%reldir%/maze.h \
diff --git a/src/main.c b/src/main.c
index 648bac8..2180655 100644
--- a/src/main.c
+++ b/src/main.c
@@ -21,6 +21,7 @@
 #include <SDL_ttf.h>
 #include <stdlib.h>
 #include "defs.h"
+#include "dirs.h"
 
 static SDL_Window   *_mf_window;
 static SDL_Renderer *_mf_renderer;
@@ -86,6 +87,9 @@ int
 main(int argc __attribute__((__unused__)),
 		char *argv[] __attribute__((__unused__)))
 {
+	/* Find data directories */
+	mf_find_dirs(argv[0]);
+
 	/* Initialize SDL libraries */
 	if (_mf_init() < 0) {
 		return EXIT_FAILURE;