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feat: use fullscreen window and scale assets #2

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feat: use fullscreen window and scale assets #2

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17 changes: 14 additions & 3 deletions src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,11 @@
#include <SDL3/SDL_video.h>
#include <stdio.h>

// Base board dimensions used for asset scaling
#define BOARD_COLS 10
#define BOARD_ROWS 20
#define BLOCK_SIZE_PIXELS 32

static SDL_Window *window = NULL;
static SDL_Renderer *renderer = NULL;

Expand All @@ -34,13 +39,19 @@ SDL_AppResult SDL_AppInit(void **UNUSED(appstate), int UNUSED(argc), char *UNUSE

// TODO: initialize GameState

if (!SDL_CreateWindowAndRenderer(CMAKE_PROJECT_NAME, 100, 100,
/* SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS, */
0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer(CMAKE_PROJECT_NAME, 0, 0,
SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS,
&window, &renderer)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Init window and renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}

int win_w = 0, win_h = 0;
SDL_GetRendererOutputSize(renderer, &win_w, &win_h);
const float scale_x = (float)win_w / (BOARD_COLS * BLOCK_SIZE_PIXELS);
const float scale_y = (float)win_h / (BOARD_ROWS * BLOCK_SIZE_PIXELS);
SDL_SetRenderScale(renderer, scale_x, scale_y);

return SDL_APP_CONTINUE;
}

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