godot/platform/iphone/godot_iphone.mm

/*************************************************************************/
/*  godot_iphone.mm                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/*************************************************************************/

#include "core/ustring.h"
#include "main/main.h"
#include "os_iphone.h"

#include <stdio.h>
#include <string.h>
#include <unistd.h>

static OSIPhone *os = nullptr;

int add_path(int, char **);
int add_cmdline(int, char **);
int iphone_main(int, char **, String);

int add_path(int p_argc, char **p_args) {
	NSString *str = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"godot_path"];
	if (!str) {
		return p_argc;
	}

	p_args[p_argc++] = (char *)"--path";
	[str retain]; // memory leak lol (maybe make it static here and delete it in ViewController destructor? @todo
	p_args[p_argc++] = (char *)[str cStringUsingEncoding:NSUTF8StringEncoding];
	p_args[p_argc] = NULL;
	[str release];

	return p_argc;
};

int add_cmdline(int p_argc, char **p_args) {
	NSArray *arr = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"godot_cmdline"];
	if (!arr) {
		return p_argc;
	}

	for (NSUInteger i = 0; i < [arr count]; i++) {
		NSString *str = [arr objectAtIndex:i];
		if (!str) {
			continue;
		}
		[str retain]; // @todo delete these at some point
		p_args[p_argc++] = (char *)[str cStringUsingEncoding:NSUTF8StringEncoding];
		[str release];
	};

	p_args[p_argc] = NULL;

	return p_argc;
};

int iphone_main(int argc, char **argv, String data_dir) {
	size_t len = strlen(argv[0]);

	while (len--) {
		if (argv[0][len] == '/') {
			break;
		}
	}

	if (len >= 0) {
		char path[512];
		memcpy(path, argv[0], len > sizeof(path) ? sizeof(path) : len);
		path[len] = 0;
		printf("Path: %s\n", path);
		chdir(path);
	}

	printf("godot_iphone %s\n", argv[0]);
	char cwd[512];
	getcwd(cwd, sizeof(cwd));
	printf("cwd %s\n", cwd);
	os = new OSIPhone(data_dir);

	// We must override main when testing is enabled
	TEST_MAIN_OVERRIDE

	char *fargv[64];
	for (int i = 0; i < argc; i++) {
		fargv[i] = argv[i];
	};
	fargv[argc] = nullptr;
	argc = add_path(argc, fargv);
	argc = add_cmdline(argc, fargv);

	printf("os created\n");

	Error err = Main::setup(fargv[0], argc - 1, &fargv[1], false);
	printf("setup %i\n", err);
	if (err != OK) {
		return 255;
	}

	os->initialize_modules();

	return 0;
};

void iphone_finish() {
	printf("iphone_finish\n");
	Main::cleanup();
	delete os;
};