CMakeLists.txt: add script and dependency to automate level listing

.gitignore

@@ -1,6 +1,7 @@
 # Build files
 /build-cg
 /*.g3a
+/generated/
 
 # Python bytecode
  __pycache__/

CMakeLists.txt

@@ -10,7 +10,19 @@ include(Fxconv)
 find_package(Gint 2.3 REQUIRED)
 find_package(LibImg 2.2 REQUIRED)
 
-include_directories(include)
+add_custom_target(filepaths
+	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+	DEPENDS generated/filepaths.h
+	COMMENT "generated/filepaths.h target")
+
+add_custom_command(OUTPUT "${CMAKE_CURRENT_LIST_DIR}/generated/filepaths.h"
+	COMMENT "Generate genereated/filepaths.h."
+	COMMAND mkdir -p generated &&
+		./make_filepaths.sh > generated/filepaths.h
+	WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+	DEPENDS make_filepaths.sh)
+
+include_directories(include generated)
 
 set(SOURCES
 	src/main.c
@@ -37,6 +49,7 @@ set(FLAGS
 fxconv_declare_assets(${ASSETS} WITH_METADATA)
 
 add_executable(${PROJECT_NAME} ${SOURCES} ${ASSETS})
+add_dependencies(${PROJECT_NAME} filepaths)
 target_compile_options(${PROJECT_NAME} PRIVATE ${FLAGS})
 target_link_libraries(${PROJECT_NAME} Gint::Gint)
 target_link_libraries(${PROJECT_NAME} LibImg::LibImg)

make_filepaths.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+printf '/* SPDX-License-Identifier: GPL-3.0-or-later */\n'
+printf '#pragma once\n'
+printf '#include <stdint.h>\n\n'
+printf 'static const uint16_t filepaths[][64] = {\n'
+
+cd assets/levels
+for PACK in *; do
+	PACK_NAME="$(basename $PACK)"
+	cd "$PACK"
+	for LEVEL in *; do
+		LEVEL_NAME="$(basename $LEVEL | cut -c2- |
+		    awk -F '.' '{print $1}')"
+		[ -z "$LEVEL_NAMES" ] &&
+		LEVEL_NAMES="
+	\"$LEVEL_NAME\"" ||
+		LEVEL_NAMES="$LEVEL_NAMES,
+	\"$LEVEL_NAME\""
+		printf 'u"\\\\\\\\fls0\\\\mtem\\\\%s\\\\' "$PACK_NAME"
+		printf '%s",\n' "$LEVEL"
+	done
+	cd ..
+done
+printf '};\n'
+
+printf 'static const char level_names[][32] = { %s\n};\n' "$LEVEL_NAMES"

src/level/load.c

@@ -3,6 +3,7 @@
 
 #include "level.h"
 #include "tiles.h"
+#include "filepaths.h"
 #include <gint/bfile.h>
 #include <gint/std/stdlib.h>
 #include <stdint.h>
@@ -13,10 +14,6 @@
 		fatal_error_msg = error_msg;                           \
 		return;                                                \
 	}
-#define PATH_PREFIX u"\\\\fls0\\mtem\\"
-
-static const uint16_t filepaths[][32] = {
-    PATH_PREFIX "pillars.kble", PATH_PREFIX "human.kble", {0}};
 
 /* globals are needed when using gint_switch() */
 struct Level level;