nanocoat/frontend/libretro/env.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include "sjme/nvm/nvm.h"
  11 #include "sjme/debug.h"
  12 #include "3rdparty/libretro/libretro.h"
  13 #include "frontend/libretro/shared.h"
  14
  15 /** Variables to use within the core. */
  16 static const struct retro_variable sjme_libretro_coreVariables[] =
  17 {
  18 #if defined(SJME_CONFIG_DEBUG) && defined(SJME_CONFIG_UNIT_TEST)
  19         /* Run unit tests? */
  20         {
  21                 SJME_LIBRETRO_CONFIG_UNIT_TESTS,
  22                 "Run Unit Tests; false|true"
  23         },
  24 #endif
  25
  26         /* End. */
  27         {NULL, NULL}
  28 };
  29
  30 sjme_attrUnused RETRO_API void retro_cheat_reset(void)
  31 {
  32         static sjme_jint trigger;
  33         if (!(trigger++))
  34                 sjme_message("Impl. %s?", __func__);
  35 }
  36
  37 sjme_attrUnused RETRO_API void retro_cheat_set(unsigned index, bool enabled,
  38         const char *code)
  39 {
  40         static sjme_jint trigger;
  41         if (!(trigger++))
  42                 sjme_message("Impl. %s?", __func__);
  43 }
  44
  45 sjme_attrUnused RETRO_API unsigned retro_get_region(void)
  46 {
  47         static sjme_jint trigger;
  48         if (!(trigger++))
  49                 sjme_message("Impl. %s?", __func__);
  50 }
  51
  52 sjme_attrUnused RETRO_API void retro_get_system_info(
  53         sjme_attrInNotNull struct retro_system_info* info)
  54 {
  55         /* Base information. */
  56         info->library_name = "SquirrelJME";
  57         info->library_version = SQUIRRELJME_VERSION;
  58
  59         /* These are all of the Java related extensions. */
  60         info->valid_extensions = "zip|jam|jar|jad|adf|sec|sto|kjx";
  61
  62         /* We need the full path for executables. */
  63         info->need_fullpath = true;
  64
  65         /* RetroArch is not permitted to unzip entries for us. */
  66         info->block_extract = true;
  67 }
  68
  69 sjme_attrUnused RETRO_API void retro_set_environment(
  70         retro_environment_t environment)
  71 {
  72         bool supportsNoGame;
  73         enum retro_pixel_format pixelFormat;
  74
  75         /* Store the callback pointer. */
  76         sjme_libretro_envCallback = environment;
  77
  78         /* Control input. */
  79         retro_set_controller_port_device(0, 0);
  80
  81         /* Playing with no software is supported. */
  82         supportsNoGame = true;
  83         sjme_libretro_envCallback(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME,
  84                 (void*)&supportsNoGame);
  85
  86         /* Declare extension interface for special functions. */
  87         sjme_libretro_envCallback(RETRO_ENVIRONMENT_SET_PROC_ADDRESS_CALLBACK,
  88                 (void*)sjme_libretro_extInterface());
  89
  90         /* Pixel format. */
  91         pixelFormat = RETRO_PIXEL_FORMAT_XRGB8888;
  92         sjme_libretro_envCallback(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT,
  93                 (void*)&pixelFormat);
  94
  95         /* Core options. */
  96         sjme_libretro_envCallback(RETRO_ENVIRONMENT_SET_VARIABLES,
  97                 (void*)&sjme_libretro_coreVariables);
  98 }