Add Haiku-specific makefile and error messages

Makefile.haiku

@@ -0,0 +1,27 @@
+# OpenJazz makefile for Haiku
+include openjazz.mk
+
+CXX ?= g++
+CXXFLAGS ?= -g -Wall -O2
+
+CXXFLAGS += -D_BSD_SOURCE -DUSE_SOCKETS -DSCALE
+LIBS += -lbe -lnetwork
+
+# SDL
+CXXFLAGS += $(shell sdl-config --cflags)
+LIBS += $(shell sdl-config --libs)
+
+# modplug
+CXXFLAGS += -DUSE_MODPLUG $(shell pkg-config --cflags libmodplug)
+LIBS += $(shell pkg-config --libs libmodplug)
+
+LIBS += -lm
+
+OpenJazz: $(OBJS)
+	$(CXX) $(LDFLAGS) -lz $(LIBS) $(OBJS) -o OpenJazz
+
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -Isrc -c $< -o $@
+
+clean:
+	rm -f OpenJazz $(OBJS)

src/main.cpp

@@ -57,6 +57,10 @@
 	#include <pspdisplay.h>
 #elif defined(_3DS)
 	#include <3ds.h>
+#elif defined(__HAIKU__)
+	#include <Alert.h>
+	#include <FindDirectory.h>
+	#include <fs_info.h>
 #endif
 
 #include <string.h>
@@ -109,6 +113,22 @@ void startUp (int argc, char *argv[]) {
 	firstPath = NULL;
 #endif
 
+#ifdef __HAIKU__
+	dev_t volume = dev_for_path("/boot");
+	char buffer[10 + B_PATH_NAME_LENGTH + B_FILE_NAME_LENGTH];
+	status_t result;
+
+	result = find_directory(B_SYSTEM_DATA_DIRECTORY,
+		volume, false, buffer, sizeof(buffer));
+	strncat(buffer, "/openjazz/", sizeof(buffer));
+	firstPath = new Path(firstPath, createString(buffer));
+
+	result = find_directory(B_USER_NONPACKAGED_DATA_DIRECTORY,
+		volume, false, buffer, sizeof(buffer));
+	strncat(buffer, "/openjazz/", sizeof(buffer));
+	firstPath = new Path(firstPath, createString(buffer));
+#endif
+
 #ifdef __SYMBIAN32__
 	#ifdef UIQ3
 	firstPath = new Path(firstPath, createString("c:\\shared\\openjazz\\"));
@@ -261,6 +281,16 @@ void startUp (int argc, char *argv[]) {
 		log("of the original game data, eg:");
 		log("  OpenJazz ~/jazz1");
 
+#ifdef __HAIKU__
+		char alertBuffer[100+B_PATH_NAME_LENGTH+B_FILE_NAME_LENGTH];
+		strcpy(alertBuffer, "Unable to find game data files!\n"
+			"Put the data into the folder:\n");
+		strncat(alertBuffer, buffer, sizeof(alertBuffer));
+		BAlert* alert = new BAlert("OpenJazz", alertBuffer, "Exit", NULL, NULL,
+			B_WIDTH_AS_USUAL, B_STOP_ALERT);
+		alert->Go();
+#endif
+
 		throw e;
 
 	}