Haiku: Initial support.

platform/haiku/SCsub

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+Import('env')
+
+common_haiku = [
+	'os_haiku.cpp'
+]
+
+env.Program(
+	'#bin/godot',
+	['godot_haiku.cpp'] + common_haiku
+)

platform/haiku/detect.py

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+import os
+import sys
+
+def is_active():
+	return True
+
+def get_name():
+	return "Haiku"
+
+def can_build():
+	if (os.name != "posix"):
+		return False
+	
+	if (sys.platform == "darwin"):
+		return False
+	
+	return True
+
+def get_opts():
+	return []
+
+def get_flags():
+	return [
+		('builtin_zlib', 'no')
+	]
+
+def configure(env):
+	is64=sys.maxsize > 2**32
+
+	if (env["bits"]=="default"):
+		if (is64):
+			env["bits"]="64"
+		else:
+			env["bits"]="32"
+	
+	env.Append(CPPPATH = ['#platform/haiku'])
+	env["CC"] = "gcc-x86"
+	env["CXX"] = "g++-x86"
+	env.Append(CPPFLAGS = ['-DDEBUG_METHODS_ENABLED'])
+	
+	env.Append(CPPFLAGS = ['-DUNIX_ENABLED'])
+	#env.Append(LIBS = ['be'])

platform/haiku/godot_haiku.cpp

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+#include "main/main.h"
+#include "os_haiku.h"
+
+int main(int argc, char* argv[]) {
+	OS_Haiku os;
+	
+	Error error = Main::setup(argv[0], argc-1, &argv[1]);
+	if (error != OK) {
+		return 255;
+	}
+	
+	if (Main::start()) {
+		os.run();
+	}
+	
+	Main::cleanup();
+	
+	return os.get_exit_code();
+}

platform/haiku/os_haiku.h

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+#ifndef OS_HAIKU_H
+#define OS_HAIKU_H
+
+#include "drivers/unix/os_unix.h"
+
+
+class OS_Haiku : public OS_Unix {
+private:
+	virtual void delete_main_loop();
+
+protected:
+	virtual int get_video_driver_count() const;
+	virtual const char* get_video_driver_name(int p_driver) const;	
+	virtual VideoMode get_default_video_mode() const;
+
+	virtual void initialize(const VideoMode& p_desired, int p_video_driver, int p_audio_driver);
+	virtual void finalize();
+
+	virtual void set_main_loop(MainLoop* p_main_loop);
+
+public:
+	OS_Haiku();
+	void run();
+
+	virtual String get_name();
+
+	virtual MainLoop *get_main_loop() const;
+	virtual bool can_draw() const;
+
+	virtual Point2 get_mouse_pos() const;
+	virtual int get_mouse_button_state() const;
+	virtual void set_cursor_shape(CursorShape p_shape);
+
+	virtual void set_window_title(const String& p_title);
+	virtual Size2 get_window_size() const;
+
+	virtual void set_video_mode(const VideoMode& p_video_mode, int p_screen=0);
+	virtual VideoMode get_video_mode(int p_screen=0) const;
+	virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen=0) const;
+};
+
+#endif

platform/haiku/platform_config.h

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+#include <alloca.h>