mirror of
https://github.com/love2d/megasource.git
synced 2026-08-17 11:11:35 +02:00
update SDL3 to libsdl-org/SDL@038a380 (3.3 development)
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@@ -21,6 +21,8 @@
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#define THREE_BITS 0x7U /* ~CHAR_MAX >> (CHAR_BIT - SNAKE_CELL_MAX_BITS) */
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#define SHIFT(x, y) (((x) + ((y) * SNAKE_GAME_WIDTH)) * SNAKE_CELL_MAX_BITS)
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static SDL_Joystick *joystick = NULL;
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typedef enum
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{
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SNAKE_CELL_NOTHING = 0U,
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@@ -186,6 +188,8 @@ void snake_step(SnakeContext *ctx)
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case SNAKE_DIR_DOWN:
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++ctx->head_ypos;
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break;
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default:
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break;
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}
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wrap_around_(&ctx->head_xpos, SNAKE_GAME_WIDTH);
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wrap_around_(&ctx->head_ypos, SNAKE_GAME_HEIGHT);
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@@ -238,6 +242,26 @@ static SDL_AppResult handle_key_event_(SnakeContext *ctx, SDL_Scancode key_code)
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return SDL_APP_CONTINUE;
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}
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static SDL_AppResult handle_hat_event_(SnakeContext *ctx, Uint8 hat) {
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switch (hat) {
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case SDL_HAT_RIGHT:
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snake_redir(ctx, SNAKE_DIR_RIGHT);
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break;
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case SDL_HAT_UP:
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snake_redir(ctx, SNAKE_DIR_UP);
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break;
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case SDL_HAT_LEFT:
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snake_redir(ctx, SNAKE_DIR_LEFT);
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break;
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case SDL_HAT_DOWN:
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snake_redir(ctx, SNAKE_DIR_DOWN);
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break;
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default:
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break;
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}
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return SDL_APP_CONTINUE;
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}
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SDL_AppResult SDL_AppIterate(void *appstate)
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{
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AppState *as = (AppState *)appstate;
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@@ -305,7 +329,8 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
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}
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}
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if (!SDL_Init(SDL_INIT_VIDEO)) {
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if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK)) {
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SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
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return SDL_APP_FAILURE;
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}
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@@ -333,14 +358,35 @@ SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
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switch (event->type) {
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case SDL_EVENT_QUIT:
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return SDL_APP_SUCCESS;
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case SDL_EVENT_JOYSTICK_ADDED:
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if (joystick == NULL) {
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joystick = SDL_OpenJoystick(event->jdevice.which);
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if (!joystick) {
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SDL_Log("Failed to open joystick ID %u: %s", (unsigned int) event->jdevice.which, SDL_GetError());
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}
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}
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break;
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case SDL_EVENT_JOYSTICK_REMOVED:
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if (joystick && (SDL_GetJoystickID(joystick) == event->jdevice.which)) {
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SDL_CloseJoystick(joystick);
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joystick = NULL;
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}
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break;
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case SDL_EVENT_JOYSTICK_HAT_MOTION:
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return handle_hat_event_(ctx, event->jhat.value);
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case SDL_EVENT_KEY_DOWN:
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return handle_key_event_(ctx, event->key.scancode);
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default:
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break;
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}
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return SDL_APP_CONTINUE;
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}
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void SDL_AppQuit(void *appstate, SDL_AppResult result)
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{
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if (joystick) {
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SDL_CloseJoystick(joystick);
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}
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if (appstate != NULL) {
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AppState *as = (AppState *)appstate;
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SDL_DestroyRenderer(as->renderer);
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@@ -27,7 +27,6 @@
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typedef struct {
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Uint8 ram[RAM_SIZE + 8];
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Uint8 screenbuf[SCREEN_W * SCREEN_H];
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Uint64 last_tick;
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Uint64 tick_acc;
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SDL_Window* window;
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@@ -187,7 +186,7 @@ SDL_AppResult SDL_AppInit(void** appstate, int argc, char* argv[]) {
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}
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if (!(vm->screen = SDL_CreateSurfaceFrom(
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SCREEN_W, SCREEN_H, SDL_PIXELFORMAT_INDEX8, vm->screenbuf, SCREEN_W
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SCREEN_W, SCREEN_H, SDL_PIXELFORMAT_INDEX8, vm->ram, SCREEN_W
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))) {
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return SDL_APP_FAILURE;
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}
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@@ -296,18 +295,18 @@ SDL_AppResult SDL_AppIterate(void* appstate) {
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SDL_UnlockTexture(vm->screentex);
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SDL_RenderTexture(vm->renderer, vm->screentex, NULL, NULL);
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}
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if (vm->display_help) {
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print(vm, 4, 4, "Drop a BytePusher file in this");
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print(vm, 8, 12, "window to load and run it!");
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print(vm, 4, 28, "Press ENTER to switch between");
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print(vm, 8, 36, "positional and symbolic input.");
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}
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if (vm->display_help) {
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print(vm, 4, 4, "Drop a BytePusher file in this");
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print(vm, 8, 12, "window to load and run it!");
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print(vm, 4, 28, "Press ENTER to switch between");
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print(vm, 8, 36, "positional and symbolic input.");
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}
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if (vm->status_ticks > 0) {
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vm->status_ticks -= 1;
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print(vm, 4, SCREEN_H - 12, vm->status);
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if (vm->status_ticks > 0) {
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vm->status_ticks -= 1;
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print(vm, 4, SCREEN_H - 12, vm->status);
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}
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}
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SDL_SetRenderTarget(vm->renderer, NULL);
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