SameBoy | Accurate GB/GBC emulator |
| download: https://git.y1.nz/archives/sameboy.tar.gz | |
| README | Files | Log | Refs | LICENSE |
commit 4f8b081f82f3f75ed12dc722f8ea7c6824e91a9d parent f79f18704d9fa684cd99ff08f8cab4ce8782a3ea Author: Lior Halphon <LIJI32@gmail.com> Date: Thu, 9 Feb 2023 20:49:01 +0200 SDL cheats Diffstat:
| M | Core/cheats.c | 5 | ++++- |
| M | SDL/font.c | 22 | ++++++++++++++++++++++ |
| M | SDL/font.h | 3 | +++ |
| M | SDL/gui.c | 534 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- |
| M | SDL/main.c | 6 | +++++- |
5 files changed, 562 insertions(+), 8 deletions(-)
diff --git a/Core/cheats.c b/Core/cheats.c @@ -140,7 +140,7 @@ const GB_cheat_t *GB_import_cheat(GB_gameboy_t *gb, const char *cheat, const cha uint8_t dummy; /* GameShark */ - { + if (strlen(cheat) == 8) { uint8_t bank; uint8_t value; uint16_t address; @@ -170,6 +170,9 @@ const GB_cheat_t *GB_import_cheat(GB_gameboy_t *gb, const char *cheat, const cha uint8_t old_value; uint8_t value; uint16_t address; + if (strlen(stripped_cheat) != 8 && strlen(stripped_cheat) != 6) { + return NULL; + } if (sscanf(stripped_cheat, "%02hhx%04hx%02hhx%c", &value, &address, &old_value, &dummy) == 3) { address = (uint16_t)(address >> 4) | (uint16_t)(address << 12); address ^= 0xF000; diff --git a/SDL/font.c b/SDL/font.c @@ -1149,6 +1149,28 @@ uint8_t font[] = { X, _, _, _, X, _, X, X, X, _, X, _, _, _, _, _, _, _, + + /* Checkbox */ + + // Unchecked + _, _, _, _, _, _, + X, X, X, X, X, _, + X, X, X, X, X, _, + X, X, X, X, X, _, + X, X, X, X, X, _, + X, X, X, X, X, _, + X, X, X, X, X, _, + _, _, _, _, _, _, + + // Checked + _, _, _, _, _, _, + X, X, X, X, X, _, + X, X, X, X, _, _, + X, X, X, _, X, _, + _, X, _, X, X, _, + X, _, X, X, X, _, + X, X, X, X, X, _, + _, _, _, _, _, _, }; const uint8_t font_max = sizeof(font) / GLYPH_HEIGHT / GLYPH_WIDTH + ' '; diff --git a/SDL/font.h b/SDL/font.h @@ -18,5 +18,8 @@ extern const uint8_t font_max; #define SLIDER_STRING "\x89\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8F\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8A\x8B" #define SELECTED_SLIDER_STRING "\x8C\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8D\x8E" #define COPYRIGHT_STRING "\x90" +#define CHECKBOX_OFF_STRING "\x93" +#define CHECKBOX_ON_STRING "\x94" + #endif diff --git a/SDL/gui.c b/SDL/gui.c @@ -150,6 +150,17 @@ static void draw_char(uint32_t *buffer, unsigned width, unsigned height, unsigne if (ch < ' ' || ch > font_max) { ch = '?'; } + + // Huge dirty hack + if ((signed char)ch == CHECKBOX_ON_STRING[0] || (signed char)ch == CHECKBOX_OFF_STRING[0]) { + if (color == gui_palette_native[3]) { + color = gui_palette_native[0]; + } + else if (color == gui_palette_native[0]) { + color = gui_palette_native[3]; + ch = CHECKBOX_OFF_STRING[0]; + } + } uint8_t *data = &font[(ch - ' ') * GLYPH_WIDTH * GLYPH_HEIGHT]; @@ -270,8 +281,15 @@ static enum { SHOWING_HELP, WAITING_FOR_KEY, WAITING_FOR_JBUTTON, + TEXT_INPUT, } gui_state; +static char text_input_title[26]; +static char text_input_title2[26]; +static char text_input[26]; + +static void (*text_input_callback)(char ch) = NULL; + static unsigned joypad_configuration_progress = 0; static uint8_t joypad_axis_temp; @@ -304,6 +322,9 @@ static void enter_options_menu(unsigned index); static void toggle_audio_recording(unsigned index); extern void set_filename(const char *new_filename, typeof(free) *new_free_function); + +static void nop(unsigned index){} + static void open_rom(unsigned index) { char *filename = do_open_rom_dialog(); @@ -395,11 +416,480 @@ static void enter_options_menu(unsigned index) recalculate_menu_height(); } +static const GB_cheat_t *current_cheat = NULL; + +extern struct menu_item modify_cheat_menu[]; + +static void save_cheats(void) +{ + extern char *filename; + size_t path_length = strlen(filename); + char cheat_path[path_length + 5]; + replace_extension(filename, path_length, cheat_path, ".cht"); + GB_save_cheats(&gb, cheat_path); +} + +static void rename_callback(char ch) +{ + if (ch == '\b' && text_input[0]) { + text_input[strlen(text_input) - 1] = 0; + return; + } + if (ch == '\n') { + GB_update_cheat(&gb, + current_cheat, + text_input, + current_cheat->address, + current_cheat->bank, + current_cheat->value, + current_cheat->old_value, + current_cheat->use_old_value, + current_cheat->enabled); + modify_cheat_menu[0].string = current_cheat->description; + gui_state = SHOWING_MENU; + save_cheats(); + SDL_StopTextInput(); + return; + } + if (ch < ' ') return; + size_t len = strlen(text_input); + if (len < 21) { + text_input[len] = ch; + text_input[len + 1] = 0; + } +} + +static void rename_cheat(unsigned index) +{ + strcpy(text_input_title, "Rename Cheat"); + text_input_title2[0] = 0; + memcpy(text_input, current_cheat->description, 24); + text_input[24] = 0; + gui_state = TEXT_INPUT; + text_input_callback = rename_callback; + SDL_StartTextInput(); + GB_update_cheat(&gb, + current_cheat, + current_cheat->description, + current_cheat->address, + current_cheat->bank, + current_cheat->value, + current_cheat->old_value, + current_cheat->use_old_value, + current_cheat->enabled); + save_cheats(); +} + + +static void toggle_cheat(unsigned index) +{ + GB_update_cheat(&gb, + current_cheat, + current_cheat->description, + current_cheat->address, + current_cheat->bank, + current_cheat->value, + current_cheat->old_value, + current_cheat->use_old_value, + !current_cheat->enabled); + save_cheats(); +} + +static const char *active_cheat_checkbox(unsigned index) +{ + return current_cheat->enabled? CHECKBOX_ON_STRING : CHECKBOX_OFF_STRING; +} + +static const char *get_cheat_address(unsigned index) +{ + static char ret[12]; + if (current_cheat->bank == GB_CHEAT_ANY_BANK) { + sprintf(ret, "$%04X", current_cheat->address); + } + else { + sprintf(ret, "$%02X:$%04X", current_cheat->bank, current_cheat->address); + } + + return ret; +} + +static void change_cheat_address_callback(char ch) +{ + if (ch == '\b' && text_input[1]) { + size_t len = strlen(text_input); + text_input[len - 1] = 0; + if (text_input[len - 2] == ':') { + text_input[len - 2] = 0; + } + return; + } + if (ch == '\n') { + uint16_t bank = GB_CHEAT_ANY_BANK; + uint16_t address = 0; + + const char *s = text_input + 1; + while (*s) { + if (*s == ':') { + bank = address; + address = 0; + } + else if (*s >= '0' && *s <= '9'){ + address *= 0x10; + address += *s - '0'; + } + else if (*s >= 'A' && *s <= 'F'){ + address *= 0x10; + address += *s - 'A' + 10; + } + s++; + } + + GB_update_cheat(&gb, + current_cheat, + current_cheat->description, + address, + bank, + current_cheat->value, + current_cheat->old_value, + current_cheat->use_old_value, + current_cheat->enabled); + save_cheats(); + gui_state = SHOWING_MENU; + SDL_StopTextInput(); + return; + } + size_t len = strlen(text_input); + if (len >= 12) return; + if (ch == ':' && (len >= 2) && !strchr(text_input, ':')) { + text_input[len] = ':'; + text_input[len + 1] = '$'; + text_input[len + 2] = 0; + return; + } + ch = toupper(ch); + if (!ishexnumber(ch)) return; + + unsigned digit_count = 0; + const char *s = text_input + 1; + while (*s) { + if (*s == ':') { + s += 2; + digit_count = 0; + } + else { + s++; + digit_count++; + } + } + + if (digit_count == 4) return; + + text_input[len] = ch; + text_input[len + 1] = 0; +} + +static void change_cheat_address(unsigned index) +{ + strcpy(text_input_title, "Enter Cheat Address"); + text_input_title2[0] = 0; + strcpy(text_input, get_cheat_address(0)); + gui_state = TEXT_INPUT; + text_input_callback = change_cheat_address_callback; + SDL_StartTextInput(); +} + +static const char *get_cheat_value(unsigned index) +{ + static char ret[4]; + sprintf(ret, "$%02X", current_cheat->value); + + return ret; +} + +static void change_cheat_value_callback(char ch) +{ + if (ch == '\b' && text_input[1]) { + size_t len = strlen(text_input); + text_input[len - 1] = 0; + return; + } + if (ch == '\n') { + uint8_t value = 0; + + const char *s = text_input + 1; + while (*s) { + if (*s >= '0' && *s <= '9'){ + value *= 0x10; + value += *s - '0'; + } + else if (*s >= 'A' && *s <= 'F'){ + value *= 0x10; + value += *s - 'A' + 10; + } + s++; + } + + GB_update_cheat(&gb, + current_cheat, + current_cheat->description, + current_cheat->address, + current_cheat->bank, + value, + current_cheat->old_value, + current_cheat->use_old_value, + current_cheat->enabled); + save_cheats(); + gui_state = SHOWING_MENU; + SDL_StopTextInput(); + return; + } + if (!ishexnumber(ch)) return; + ch = toupper(ch); + size_t len = strlen(text_input); + if (len == 3) { + text_input[1] = text_input[2]; + text_input[2] = ch; + return; + } + + text_input[len] = ch; + text_input[len + 1] = 0; +} + +static void change_cheat_value(unsigned index) +{ + strcpy(text_input_title, "Enter Cheat Value"); + text_input_title2[0] = 0; + strcpy(text_input, get_cheat_value(0)); + gui_state = TEXT_INPUT; + text_input_callback = change_cheat_value_callback; + SDL_StartTextInput(); +} + +static const char *get_cheat_old_value(unsigned index) +{ + if (!current_cheat->use_old_value) { + return "Any"; + } + static char ret[4]; + sprintf(ret, "$%02X", current_cheat->old_value); + + return ret; +} + +static void change_cheat_old_value_callback(char ch) +{ + if (ch == '\b' && strcmp(text_input, "Any") != 0) { + size_t len = strlen(text_input); + if (len == 2) { + strcpy(text_input, "Any"); + return; + } + text_input[len - 1] = 0; + return; + } + if (ch == '\n') { + uint8_t value = 0; + + bool use_old_value = strcmp(text_input, "Any") != 0; + if (use_old_value) { + const char *s = text_input + 1; + while (*s) { + if (*s >= '0' && *s <= '9'){ + value *= 0x10; + value += *s - '0'; + } + else if (*s >= 'A' && *s <= 'F'){ + value *= 0x10; + value += *s - 'A' + 10; + } + s++; + } + } + + GB_update_cheat(&gb, + current_cheat, + current_cheat->description, + current_cheat->address, + current_cheat->bank, + current_cheat->value, + value, + use_old_value, + current_cheat->enabled); + save_cheats(); + gui_state = SHOWING_MENU; + SDL_StopTextInput(); + return; + } + if (!ishexnumber(ch)) return; + ch = toupper(ch); + if (strcmp(text_input, "Any") == 0) { + strcpy(text_input, "$"); + } + size_t len = strlen(text_input); + if (len == 3) { + text_input[1] = text_input[2]; + text_input[2] = ch; + return; + } + + text_input[len] = ch; + text_input[len + 1] = 0; +} + +static void change_cheat_old_value(unsigned index) +{ + strcpy(text_input_title, "Enter Cheat Old Value"); + text_input_title2[0] = 0; + strcpy(text_input, get_cheat_old_value(0)); + gui_state = TEXT_INPUT; + text_input_callback = change_cheat_old_value_callback; + SDL_StartTextInput(); +} + +static void enter_cheats_menu(unsigned index); + +static void delete_cheat(unsigned index) +{ + GB_remove_cheat(&gb, current_cheat); + save_cheats(); + enter_cheats_menu(0); +} + +struct menu_item modify_cheat_menu[] = { + {"", rename_cheat}, + {"Enable", toggle_cheat, active_cheat_checkbox}, + {"Address:", change_cheat_address, get_cheat_address}, + {"Value:", change_cheat_value, get_cheat_value}, + {"Old Value:", change_cheat_old_value, get_cheat_old_value}, + {"Delete Cheat", delete_cheat}, + {"Back", enter_cheats_menu}, + {NULL,} +}; + +static void toggle_cheats(unsigned index) +{ + GB_set_cheats_enabled(&gb, !GB_cheats_enabled(&gb)); +} + +static void add_cheat(unsigned index) +{ + current_cheat = GB_add_cheat(&gb, "New Cheat", 0, 0, 0, 0, false, true); + modify_cheat_menu[0].string = current_cheat->description; + current_menu = modify_cheat_menu; + current_selection = 0; + scroll = 0; + save_cheats(); +} + +static void import_cheat_callback(char ch) +{ + if (ch == '\b' && text_input[0]) { + size_t len = strlen(text_input); + text_input[len - 1] = 0; + return; + } + if (ch == '\n') { + if (!text_input[0]) { + gui_state = SHOWING_MENU; + SDL_StopTextInput(); + return; + } + + current_cheat = GB_import_cheat(&gb, text_input, "Imported Cheat", true); + if (current_cheat) { + gui_state = SHOWING_MENU; + modify_cheat_menu[0].string = current_cheat->description; + current_menu = modify_cheat_menu; + current_selection = 0; + scroll = 0; + save_cheats(); + SDL_StopTextInput(); + return; + } + + strcpy(text_input_title, "Invalid Code."); + strcpy(text_input_title2, "Press Enter to Cancel"); + text_input[0] = 0; + return; + } + if (ch != '-' && !ishexnumber(ch)) return; + ch = toupper(ch); + size_t len = strlen(text_input); + if (len >= 12) { + return; + } + + text_input[len] = ch; + text_input[len + 1] = 0; + if (text_input_title[0] != 'E') { + strcpy(text_input_title, "Enter a GameShark"); + strcpy(text_input_title2, "or GameGenie Code"); + } + +} + + +static void import_cheat(unsigned index) +{ + strcpy(text_input_title, "Enter a GameShark"); + strcpy(text_input_title2, "or GameGenie Code"); + text_input[0] = 0; + gui_state = TEXT_INPUT; + text_input_callback = import_cheat_callback; + save_cheats(); + SDL_StartTextInput(); +} + +static void modify_cheat(unsigned index) +{ + const GB_cheat_t *const *cheats = GB_get_cheats(&gb, NULL); + current_cheat = cheats[index - 3]; + modify_cheat_menu[0].string = current_cheat->description; + current_menu = modify_cheat_menu; + current_selection = 0; + scroll = 0; +} + +static const char *checkbox_for_cheat(unsigned index) +{ + const GB_cheat_t *const *cheats = GB_get_cheats(&gb, NULL); + return cheats[index - 3]->enabled? CHECKBOX_ON_STRING : CHECKBOX_OFF_STRING; +} + +static const char *cheats_global_checkbox(unsigned index) +{ + return GB_cheats_enabled(&gb)? CHECKBOX_ON_STRING : CHECKBOX_OFF_STRING; +} + +static void enter_cheats_menu(unsigned index) +{ + struct menu_item *cheats_menu = NULL; + if (cheats_menu) { + free(cheats_menu); + } + size_t cheat_count; + const GB_cheat_t *const *cheats = GB_get_cheats(&gb, &cheat_count); + cheats_menu = calloc(cheat_count + 5, sizeof(struct menu_item)); + cheats_menu[0] = (struct menu_item){"New Cheat", add_cheat}; + cheats_menu[1] = (struct menu_item){"Import Cheat", import_cheat}; + cheats_menu[2] = (struct menu_item){"Enable Cheats", toggle_cheats, cheats_global_checkbox}; + for (size_t i = 0; i < cheat_count; i++) { + cheats_menu[i + 3] = (struct menu_item){cheats[i]->description, modify_cheat, checkbox_for_cheat}; + } + cheats_menu[cheat_count + 3] = (struct menu_item){"Back", return_to_root_menu}; + current_menu = cheats_menu; + current_selection = 0; + scroll = 0; + recalculate_menu_height(); +} + static const struct menu_item paused_menu[] = { {"Resume", NULL}, {"Open ROM", open_rom}, {"Hot Swap Cartridge", cart_swap}, {"Options", enter_options_menu}, + {"Cheats", enter_cheats_menu}, {audio_recording_menu_item, toggle_audio_recording}, {"Help & About", enter_help_menu}, {"Sponsor SameBoy", sponsor}, @@ -407,14 +897,14 @@ static const struct menu_item paused_menu[] = { {NULL,} }; -static struct menu_item nonpaused_menu[sizeof(paused_menu) / sizeof(paused_menu[0]) - 2]; +static struct menu_item nonpaused_menu[sizeof(paused_menu) / sizeof(paused_menu[0]) - 3]; static void __attribute__((constructor)) build_nonpaused_menu(void) { const struct menu_item *in = paused_menu; struct menu_item *out = nonpaused_menu; while (in->string) { - if (in->handler == NULL || in->handler == cart_swap) { + if (in->handler == NULL || in->handler == cart_swap || in->handler == enter_cheats_menu) { in++; continue; } @@ -1222,8 +1712,6 @@ static void cycle_preferred_audio_driver_backwards(unsigned index) } } -static void nop(unsigned index){} - static struct menu_item audio_menu[] = { {"Highpass Filter:", cycle_highpass_filter, highpass_filter_string, cycle_highpass_filter_backwards}, {"Volume:", increase_volume, volume_string, decrease_volume}, @@ -1697,7 +2185,7 @@ void run_gui(bool is_running) while (true) { SDL_WaitEvent(&event); /* Convert Joypad and mouse events (We only generate down events) */ - if (gui_state != WAITING_FOR_KEY && gui_state != WAITING_FOR_JBUTTON) { + if (gui_state != WAITING_FOR_KEY && gui_state != WAITING_FOR_JBUTTON && gui_state != TEXT_INPUT) { switch (event.type) { case SDL_KEYDOWN: if (gui_state == WAITING_FOR_KEY) break; @@ -1979,9 +2467,37 @@ void run_gui(bool is_running) } + case SDL_TEXTINPUT: + if (gui_state == TEXT_INPUT) { + char *s = event.text.text; + while (*s) { + text_input_callback(*(s++)); + } + should_render = true; + } + break; case SDL_KEYDOWN: scrollbar_drag = false; - if (gui_state == WAITING_FOR_KEY) { + if (gui_state == TEXT_INPUT) { + if (event.key.keysym.sym == SDLK_v && (event.key.keysym.mod & MODIFIER)) { + char *s = SDL_GetClipboardText(); + while (*s) { + text_input_callback(*(s++)); + } + should_render = true; + } + else if (event.key.keysym.scancode == SDL_SCANCODE_BACKSPACE) { + text_input_callback('\b'); + should_render = true; + } + else if (event.key.keysym.scancode == SDL_SCANCODE_RETURN || + event.key.keysym.scancode == SDL_SCANCODE_RETURN2 || + event.key.keysym.scancode == SDL_SCANCODE_KP_ENTER) { + text_input_callback('\n'); + should_render = true; + } + } + else if (gui_state == WAITING_FOR_KEY) { if (current_selection > 8) { configuration.keys_2[current_selection - 9] = event.key.keysym.scancode; } @@ -2036,6 +2552,7 @@ void run_gui(bool is_running) should_render = true; } else if (is_running) { + SDL_StopTextInput(); return; } else { @@ -2225,6 +2742,11 @@ void run_gui(bool is_running) gui_palette_native[3], gui_palette_native[0], STYLE_CENTER); draw_styled_text(pixels, width, height, 104 + y_offset, "Press Enter to skip", gui_palette_native[3], gui_palette_native[0], STYLE_CENTER); break; + case TEXT_INPUT: + draw_styled_text(pixels, width, height, 32 + y_offset, text_input_title, gui_palette_native[3], gui_palette_native[0], STYLE_CENTER); + draw_styled_text(pixels, width, height, 44 + y_offset, text_input_title2, gui_palette_native[3], gui_palette_native[0], STYLE_CENTER); + draw_styled_text(pixels, width, height, 64 + y_offset, text_input, gui_palette_native[3], gui_palette_native[0], STYLE_CENTER); + break; } render_texture(pixels, NULL); diff --git a/SDL/main.c b/SDL/main.c @@ -27,7 +27,7 @@ static uint32_t *active_pixel_buffer = pixel_buffer_1, *previous_pixel_buffer = static bool underclock_down = false, rewind_down = false, do_rewind = false, rewind_paused = false, turbo_down = false; static double clock_mutliplier = 1.0; -static char *filename = NULL; +char *filename = NULL; static typeof(free) *free_function = NULL; static char *battery_save_path_ptr = NULL; static SDL_GLContext gl_context = NULL; @@ -781,6 +781,10 @@ restart: } } + char cheat_path[path_length + 5]; + replace_extension(filename, path_length, cheat_path, ".cht"); + GB_load_cheats(&gb, cheat_path); + end_capturing_logs(true, error, SDL_MESSAGEBOX_WARNING, "Warning"); static char start_text[64];
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