Import blues from aacda169

Makefile

@@ -15,17 +15,29 @@ SRCS := $(BB_SRCS) $(JA_SRCS) $(P2_SRCS)
 OBJS := $(SRCS:.c=.o)
 DEPS := $(SRCS:.c=.d)
 
-CPPFLAGS += -Wall -Wpedantic -MMD $(SDL_CFLAGS) -I. -g
+CPPFLAGS += -Wall -Wextra -Wno-unused-parameter -Wno-sign-compare -Wpedantic -MMD $(SDL_CFLAGS) -I. -g
 
-all: blues bbja pre2
+all: blues
 
-blues: main.o sys_sdl2.o util.o $(BB_SRCS:.c=.o)
-	$(CC) $(LDFLAGS) -o $@ $^ $(SDL_LIBS) $(MODPLUG_LIBS)
+game_bb.o: CPPFLAGS += -fvisibility=hidden
 
-bbja: main.o sys_sdl2.o util.o $(JA_SRCS:.c=.o)
-	$(CC) $(LDFLAGS) -o $@ $^ $(SDL_LIBS) $(MODPLUG_LIBS)
+game_bb.o: $(BB_SRCS:.c=.o)
+	ld -r -o $@ $^
+	objcopy --localize-hidden $@
 
-pre2: main.o sys_sdl2.o util.o $(P2_SRCS:.c=.o)
+game_ja.o: CPPFLAGS += -fvisibility=hidden
+
+game_ja.o: $(JA_SRCS:.c=.o)
+	ld -r -o $@ $^
+	objcopy --localize-hidden $@
+
+game_p2.o: CPPFLAGS += -fvisibility=hidden
+
+game_p2.o: $(P2_SRCS:.c=.o)
+	ld -r -o $@ $^
+	objcopy --localize-hidden $@
+
+blues: main.o sys_sdl2.o util.o game_bb.o game_ja.o game_p2.o
 	$(CC) $(LDFLAGS) -o $@ $^ $(SDL_LIBS) $(MODPLUG_LIBS)
 
 clean:

README.md

@@ -63,7 +63,3 @@ Usage: blues [OPTIONS]...
   --dosscroll       Enable DOS style screen scrolling
   --hybrid          Enable fuchsia color as in Hybrid crack
 ```
-
-## Downloads
-
-[blues-sdl2-win32.zip](https://www.dropbox.com/s/rybnnn4s3rmicva/blues-gh-sdl2-win32.zip?dl=0) - Win32 executable

bb/game.c

@@ -359,7 +359,7 @@ static void game_run(const char *data_path) {
 	res_fini();
 }
 
-struct game_t game = {
+EXPORT_SYMBOL struct game_t game_bb = {
 	"Blues Brothers",
 	game_run
 };

bb/resource.c

@@ -315,10 +315,10 @@ void load_img(const char *filename, int screen_w, int dither_pattern) {
 	}
 	assert(size <= 32000);
 	load_iff(g_res.tmp, size, g_res.vga, 320, dither_pattern);
-	g_sys.copy_bitmap(g_res.vga, 320, 200);
 	if (dither_pattern < 0) {
 		g_sys.set_screen_palette(g_res.palette, 0, 16, 8);
 	}
+	g_sys.copy_bitmap(g_res.vga, 320, 200);
 }
 
 void load_m(const char *filename) {

bb/sound.c

@@ -151,7 +151,6 @@ void play_music(int num) {
 			memcpy(samples[i].name, &buf[offset], 22);
 			samples[i].name[22] = 0;
 			samples[i].size = READ_BE_UINT16(&buf[offset + 22]) * 2;
-			string_lower(samples[i].name);
 			samples_size += samples[i].size;
 		}
 		buf = (uint8_t *)realloc(buf, size + samples_size);

intern.h

@@ -66,4 +66,10 @@ struct game_t {
 	void (*run)(const char *data_path);
 };
 
+#ifdef _WIN32
+#define EXPORT_SYMBOL __attribute__((dllexport))
+#else
+#define EXPORT_SYMBOL __attribute__((visibility("default")))
+#endif
+
 #endif

ja/game.c

@@ -351,7 +351,7 @@ static void game_run(const char *data_path) {
 	res_fini();
 }
 
-struct game_t game = {
+EXPORT_SYMBOL struct game_t game_ja = {
 	"Blues Brothers : Jukebox Adventure",
 	game_run
 };

main.c

@@ -28,8 +28,27 @@ static const char *USAGE =
 ;
 
 static struct game_t *detect_game(const char *data_path) {
-	extern struct game_t game;
-	return &game;
+	extern struct game_t game_bb;
+	extern struct game_t game_ja;
+	extern struct game_t game_p2;
+	static struct {
+		struct game_t *game;
+		const char *filename;
+		uint16_t size;
+	} games[] = {
+		{ &game_bb, "AVTMAG.SQV",  3069 },
+		{ &game_ja, "JARDIN.EAT", 24876 },
+		{ &game_p2, "MOTIF.SQZ",   9396 },
+		{ 0, 0, 0 }
+	};
+	for (int i = 0; games[i].game; ++i) {
+		FILE *fp = fopen_nocase(data_path, games[i].filename);
+		if (fp) {
+			fclose(fp);
+			return games[i].game;
+		}
+	}
+	return 0;
 }
 
 #if defined(PSP)

p2/game.c

@@ -363,7 +363,7 @@ static void game_run(const char *data_path) {
 	res_fini();
 }
 
-struct game_t game = {
+EXPORT_SYMBOL struct game_t game_p2 = {
 	"Prehistorik 2",
 	game_run
 };

p2/game.h

@@ -175,7 +175,7 @@ struct vars_t {
 	uint8_t level_items_count_tbl[140]; /* bonuses and items collected in the level */
 	uint8_t level_items_total_count;
 	uint8_t level_bonuses_count_tbl[80];
-	uint8_t bonus_energy_counter;
+	int8_t bonus_energy_counter;
 
 	int16_t current_platform_dx, current_platform_dy;
 	uint16_t decor_tile0_offset; /* decor tile below the player */

util.c

@@ -7,7 +7,7 @@
 
 int g_debug_mask = 0;
 
-void string_lower(char *p) {
+static void string_lower(char *p) {
 	for (; *p; ++p) {
 		if (*p >= 'A' && *p <= 'Z') {
 			*p += 'a' - 'A';
@@ -15,7 +15,7 @@ void string_lower(char *p) {
 	}
 }
 
-void string_upper(char *p) {
+static void string_upper(char *p) {
 	for (; *p; ++p) {
 		if (*p >= 'a' && *p <= 'z') {
 			*p += 'A' - 'a';
@@ -76,6 +76,11 @@ FILE *fopen_nocase(const char *path, const char *filename) {
 		char *p = buf + strlen(path) + 1;
 		string_upper(p);
 		fp = fopen(buf, "rb");
+		if (!fp) {
+			char *p = buf + strlen(path) + 1;
+			string_lower(p);
+			fp = fopen(buf, "rb");
+		}
 	}
 	return fp;
 }

util.h

@@ -14,9 +14,6 @@
 
 extern int g_debug_mask;
 
-extern void	string_lower(char *p);
-extern void	string_upper(char *p);
-
 extern void	print_debug(int debug_channel, const char *msg, ...);
 extern void	print_warning(const char *msg, ...);
 extern void	print_error(const char *msg, ...);