diff options
Diffstat (limited to 'libretro.c')
| -rw-r--r-- | libretro.c | 142 |
1 files changed, 127 insertions, 15 deletions
@@ -340,6 +340,31 @@ static void init_post_processing(void) /* Video post processing END */ +/* Fast forward override */ +void set_fastforward_override(bool fastforward) +{ + struct retro_fastforwarding_override ff_override; + + if (!libretro_supports_ff_override) + return; + + ff_override.ratio = -1.0f; + ff_override.notification = true; + + if (fastforward) + { + ff_override.fastforward = true; + ff_override.inhibit_toggle = true; + } + else + { + ff_override.fastforward = false; + ff_override.inhibit_toggle = false; + } + + environ_cb(RETRO_ENVIRONMENT_SET_FASTFORWARDING_OVERRIDE, &ff_override); +} + static void video_run(void) { u16 *gba_screen_pixels_buf = gba_screen_pixels; @@ -506,6 +531,14 @@ void retro_init(void) gba_screen_pixels = (uint16_t*)malloc(GBA_SCREEN_PITCH * GBA_SCREEN_HEIGHT * sizeof(uint16_t)); #endif + libretro_supports_bitmasks = false; + if (environ_cb(RETRO_ENVIRONMENT_GET_INPUT_BITMASKS, NULL)) + libretro_supports_bitmasks = true; + + libretro_supports_ff_override = false; + if (environ_cb(RETRO_ENVIRONMENT_SET_FASTFORWARDING_OVERRIDE, NULL)) + libretro_supports_ff_override = true; + current_frameskip_type = no_frameskip; frameskip_threshold = 0; frameskip_interval = 0; @@ -654,8 +687,32 @@ bool retro_unserialize(const void* data, size_t size) void retro_cheat_reset(void) { + cheat_clear(); +} + +void retro_cheat_set(unsigned index, bool enabled, const char* code) +{ + if (!enabled) + return; + + switch (cheat_parse(index, code)) + { + case CheatErrorTooMany: + show_warning_message("Too many active cheats!", 2500); + break; + case CheatErrorTooBig: + show_warning_message("Cheats are too big!", 2500); + break; + case CheatErrorEncrypted: + show_warning_message("Encrypted cheats are not supported!", 2500); + break; + case CheatErrorNotSupported: + show_warning_message("Cheat type is not supported!", 2500); + break; + case CheatNoError: + break; + }; } -void retro_cheat_set(unsigned index, bool enabled, const char* code) {} static void extract_directory(char* buf, const char* path, size_t size) { @@ -799,25 +856,69 @@ static void check_variables(int started_from_load) use_libretro_save_method = 0; } } + + var.key = "gpsp_turbo_period"; + var.value = NULL; + turbo_period = TURBO_PERIOD_MIN; + turbo_pulse_width = TURBO_PULSE_WIDTH_MIN; + if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) + { + turbo_period = atoi(var.value); + turbo_period = (turbo_period < TURBO_PERIOD_MIN) ? + TURBO_PERIOD_MIN : turbo_period; + turbo_period = (turbo_period > TURBO_PERIOD_MAX) ? + TURBO_PERIOD_MAX : turbo_period; + + turbo_pulse_width = turbo_period >> 1; + turbo_pulse_width = (turbo_pulse_width < TURBO_PULSE_WIDTH_MIN) ? + TURBO_PULSE_WIDTH_MIN : turbo_pulse_width; + turbo_pulse_width = (turbo_pulse_width > TURBO_PULSE_WIDTH_MAX) ? + TURBO_PULSE_WIDTH_MAX : turbo_pulse_width; + + turbo_a_counter = 0; + turbo_b_counter = 0; + } } static void set_input_descriptors() { struct retro_input_descriptor descriptors[] = { - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" }, - { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Turbo B" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Turbo A" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" }, { 0 }, }; - environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors); + struct retro_input_descriptor descriptors_ff[] = { + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Turbo B" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Turbo A" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" }, + { 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Fast Forward" }, + { 0 }, + }; + + if (libretro_supports_ff_override) + environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors_ff); + else + environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors); } static void set_memory_descriptors(void) @@ -863,7 +964,6 @@ bool retro_load_game(const struct retro_game_info* info) strcpy(filename_bios, main_path); bool bios_loaded = false; - printf("USE %d\n", (int)selected_bios); if (selected_bios == auto_detect || selected_bios == official_bios) { bios_loaded = true; @@ -913,6 +1013,19 @@ bool retro_load_game_special(unsigned game_type, void retro_unload_game(void) { update_backup(); + + if (libretro_ff_enabled) + set_fastforward_override(false); + + libretro_supports_bitmasks = false; + libretro_supports_ff_override = false; + libretro_ff_enabled = false; + libretro_ff_enabled_prev = false; + + turbo_period = TURBO_PERIOD_MIN; + turbo_pulse_width = TURBO_PULSE_WIDTH_MIN; + turbo_a_counter = 0; + turbo_b_counter = 0; } unsigned retro_get_region(void) @@ -985,9 +1098,8 @@ void retro_run(void) { bool updated = false; - update_input(); - input_poll_cb(); + update_input(); /* Check whether current frame should * be skipped */ |