platform.h

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/*
 * Copyright (c) 2016-2022 Vera Visions LLC.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
 
typedef enum
{
        PLATFORM_UNINITIALIZED = -1,
        PLATFORM_UNKNOWN = 0,
        PLATFORM_PC,
        PLATFORM_CONSOLE,
        PLATFORM_TOUCH,
        PLATFORM_WEB
} platform;
 
var platform g_platform = PLATFORM_UNINITIALIZED;
 
/* fast way to query which system we're on */
platform
Platform_GetPlatform(void)
{
        if (g_platform == PLATFORM_UNINITIALIZED) {
                string osname = cvar_string("sys_platform");
                g_platform = PLATFORM_UNKNOWN;
 
                switch (osname) {
                case "Web":
                        g_platform = PLATFORM_WEB;
                        break;
                case "WinCE":
                case "Xbox":
                        g_platform = PLATFORM_CONSOLE;
                        break;
                case "WinRT":
                case "iOSSim":
                case "iOS":
                case "Android":
                        g_platform = PLATFORM_TOUCH;
                        break;
                case "Unknown":
                case "Nacl":
                case "Win":
                case "Win16":
                case "Cygwin":
                case "Linux":
                case "Mac":
                case "Apple":
                case "FreeBSD":
                case "OpenBSD":
                case "NetBSD":
                case "BSD":
                case "MorphOS":
                case "AmigaOS":
                case "MacOS X":
                case "Dos":
                default:
                        g_platform = PLATFORM_PC;
                        break;
                }
        }
 
        return g_platform;
}
 
bool
Platform_FileInGamedir(string fileName, string gameDir)
{
        searchhandle fileSearch;
        int fileCount = 0i;
 
        fileSearch = search_begin(fileName, SEARCH_FULLPACKAGE, TRUE);
        fileCount = search_getsize(fileSearch);
 
        NSLog("Looking for %S in %S", fileName, gameDir);
 
        /* doesn't exist */
        if (fileCount <= 0)
                return false;
 
        for (int i = 0; i < fileCount; i++) {
                string fileDir;
                string fullPath = search_getpackagename(fileSearch, i);
                fileDir = substring(fullPath, 0, strlen(gameDir)); /* only need to check same-ness */
 
                if (fileDir == gameDir) {
                        NSLog("Found %S in %S", fileName, gameDir);
                        return true;
                }
        }
 
        NSError("Did not find %S in %S", fileName, gameDir);
 
        /* file exists but is in a different gamedir */
        return false;
}
 
bool
Platform_FileInCurrentGamedir(string fileName)
{
        string gameDir = cvar_string("game");
        return Platform_FileInGamedir(fileName, gameDir);
}