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author | KikooDX <kikoodx@paranoici.org> | 2022-03-01 15:13:35 +0100 |
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committer | KikooDX <kikoodx@paranoici.org> | 2022-03-01 15:13:35 +0100 |
commit | 7054e477300a012d0e0dd6a0b8dfb7c20699559e (patch) | |
tree | fcddba47b0ddb9f597af40034767ba9a60fc4b8b | |
parent | 2a4407adc4ab9c56f5bd0b265553df044f861e8a (diff) | |
download | lzy-7054e477300a012d0e0dd6a0b8dfb7c20699559e.tar.gz |
font char draw
-rw-r--r-- | CMakeLists.txt | 1 | ||||
-rw-r--r-- | inc/lzy.h | 117 | ||||
-rw-r--r-- | res/font.png | bin | 0 -> 1327 bytes | |||
-rw-r--r-- | res/fxconv-metadata.txt | 3 | ||||
-rw-r--r-- | src/main.c | 6 |
5 files changed, 110 insertions, 17 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 413ec93..4bb84db 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -13,6 +13,7 @@ set(SOURCES set(ASSETS res/tset.png + res/font.png ) fxconv_declare_assets(${ASSETS} WITH_METADATA) @@ -26,15 +26,12 @@ extern "C" { #endif -#ifndef LZY_SDL_INCLUDE -#define LZY_SDL_INCLUDE <SDL.h> -#endif - #include <stdint.h> #define LZY_UNUSED(x) (void)(x) -int LZY_Init(const char *title, const char *tileset, int target_fps); +int LZY_Init(const char *title, int target_fps, const char *tset_path, + const char *font_path); void LZY_Quit(void); int LZY_DrawBegin(void); int LZY_DrawEnd(void); @@ -44,6 +41,7 @@ int LZY_DrawClear(void); int LZY_DrawRect(int x, int y, unsigned int w, unsigned int h); int LZY_DrawFillRect(int x, int y, unsigned int w, unsigned int h); int LZY_DrawTile(unsigned int id, int x, int y); +int LZY_DrawChar(unsigned char chr, int x, int y); void LZY_CycleEvents(void); int LZY_KeyDown(unsigned int key); int LZY_ShouldQuit(void); @@ -61,6 +59,9 @@ enum LZY_ScanCode { LZYK_X = KEY_OPTN, }; #else /* end FXCG50, begin SDL2 */ +#ifndef LZY_SDL_INCLUDE +#define LZY_SDL_INCLUDE <SDL.h> +#endif #include LZY_SDL_INCLUDE enum LZY_ScanCode { LZYK_LEFT, @@ -80,8 +81,11 @@ enum LZY_ScanCode { /* implementation */ #ifdef LZY_IMPLEMENTATION #undef LZY_IMPLEMENTATION -#ifndef LZY_TILE_SIZE -#define LZY_TILE_SIZE 16 +#ifndef LZY_SDL_INCLUDE +#define LZY_SDL_INCLUDE <SDL.h> +#endif +#ifndef LZY_SDL_IMAGE_INCLUDE +#define LZY_SDL_IMAGE_INCLUDE <SDL_image.h> #endif #ifndef LZY_DISPLAY_WIDTH #define LZY_DISPLAY_WIDTH 396 @@ -89,11 +93,17 @@ enum LZY_ScanCode { #ifndef LZY_DISPLAY_HEIGHT #define LZY_DISPLAY_HEIGHT 224 #endif -#ifndef LZY_SDL_INCLUDE -#define LZY_SDL_INCLUDE <SDL.h> +#ifndef LZY_TILE_SIZE +#define LZY_TILE_SIZE 16 #endif -#ifndef LZY_SDL_IMAGE_INCLUDE -#define LZY_SDL_IMAGE_INCLUDE <SDL_image.h> +#ifndef LZY_CHR_WIDTH +#define LZY_CHR_WIDTH LZY_TILE_SIZE +#endif +#ifndef LZY_CHR_HEIGHT +#define LZY_CHR_HEIGHT LZY_TILE_SIZE +#endif +#ifndef LZY_FIRST_CHR +#define LZY_FIRST_CHR ' ' #endif #ifdef FXCG50 @@ -110,17 +120,27 @@ static volatile int has_ticked = 0; #ifdef LZY_GINT_TILESET static unsigned int tset_width, tset_height; #endif +#ifdef LZY_GINT_FONT +static unsigned int font_width, font_height; +#endif static int timer_callback(volatile int *); -int LZY_Init(const char *title, const char *tileset, int target_fps) { +int LZY_Init(const char *title, int target_fps, const char *tset_path, + const char *font_path) { #ifdef LZY_GINT_TILESET extern bopti_image_t LZY_GINT_TILESET; tset_width = LZY_GINT_TILESET.width / LZY_TILE_SIZE; tset_height = LZY_GINT_TILESET.height / LZY_TILE_SIZE; #endif +#ifdef LZY_GINT_FONT + extern bopti_image_t LZY_GINT_FONT; + font_width = LZY_GINT_FONT.width / LZY_TILE_SIZE; + font_height = LZY_GINT_FONT.height / LZY_TILE_SIZE; +#endif LZY_UNUSED(title); - LZY_UNUSED(tileset); + LZY_UNUSED(tset_path); + LZY_UNUSED(font_path); if (target_fps > 0) { timer = timer_configure(TIMER_ANY, 1000000 / target_fps, @@ -203,6 +223,29 @@ int LZY_DrawTile(unsigned int id, int x, int y) { #endif } +int LZY_DrawChar(unsigned char chr, int x, int y) { +#ifndef LZY_GINT_FONT + LZY_UNUSED(chr); + LZY_UNUSED(x); + LZY_UNUSED(y); + return -1; +#else + extern bopti_image_t LZY_GINT_FONT; + const unsigned int id = (unsigned int)chr - LZY_FIRST_CHR; + int ix, iy; + + if (id >= font_width * font_height) + return -1; + + ix = (id % font_width) * LZY_CHR_WIDTH; + iy = (id / font_width) * LZY_CHR_HEIGHT; + dsubimage(x, y, &LZY_GINT_FONT, ix, iy, LZY_CHR_WIDTH, LZY_CHR_HEIGHT, + DIMAGE_NONE); + + return 0; +#endif +} + void LZY_CycleEvents(void) { clearevents(); should_quit = should_quit || keydown(KEY_EXIT); @@ -234,14 +277,16 @@ static SDL_Window *window = NULL; static SDL_Renderer *renderer = NULL; static SDL_Texture *target = NULL; static SDL_Texture *tset = NULL; -static int tset_width, tset_height; +static SDL_Texture *font = NULL; +static int tset_width, tset_height, font_width, font_height; static int should_quit = 0; static int input[LZYK_COUNT] = {0}; static int fps_limiter = 0; static uint64_t min_dt; static uint64_t next_time; -int LZY_Init(const char *title, const char *tileset, int target_fps) { +int LZY_Init(const char *title, int target_fps, const char *tset_path, + const char *font_path) { if (SDL_Init(SDL_INIT_VIDEO) < 0) { error = SDL_GetError(); return -1; @@ -273,7 +318,7 @@ int LZY_Init(const char *title, const char *tileset, int target_fps) { return -4; } - tset = IMG_LoadTexture(renderer, tileset); + tset = IMG_LoadTexture(renderer, tset_path); if (tset == NULL) { error = IMG_GetError(); return -5; @@ -286,6 +331,19 @@ int LZY_Init(const char *title, const char *tileset, int target_fps) { tset_width /= LZY_TILE_SIZE; tset_height /= LZY_TILE_SIZE; + font = IMG_LoadTexture(renderer, font_path); + if (font == NULL) { + error = IMG_GetError(); + return -7; + } + + if (SDL_QueryTexture(font, NULL, NULL, &font_width, &font_height) < 0) { + error = SDL_GetError(); + return -8; + } + font_width /= LZY_CHR_WIDTH; + font_height /= LZY_CHR_HEIGHT; + fps_limiter = target_fps > 0; if (fps_limiter) { min_dt = 1000 / target_fps; @@ -450,6 +508,33 @@ int LZY_DrawTile(unsigned int id, int x, int y) { return 0; } +int LZY_DrawChar(unsigned char chr, int x, int y) { + const unsigned int id = (unsigned int)chr - LZY_FIRST_CHR; + SDL_Rect src, dst; + + if (id >= (unsigned int)(font_width * font_height)) { + error = "chr exceeds boundaries"; + return -1; + } + + src.x = (id % font_width) * LZY_CHR_WIDTH; + src.y = (id / font_width) * LZY_CHR_HEIGHT; + src.w = LZY_CHR_WIDTH; + src.h = LZY_CHR_HEIGHT; + + dst.x = x; + dst.y = y; + dst.w = LZY_CHR_WIDTH; + dst.h = LZY_CHR_HEIGHT; + + if (SDL_RenderCopy(renderer, font, &src, &dst) < 0) { + error = SDL_GetError(); + return -2; + } + + return 0; +} + void LZY_CycleEvents(void) { static const SDL_Scancode sc[LZYK_COUNT] = { SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT, SDL_SCANCODE_UP, diff --git a/res/font.png b/res/font.png Binary files differnew file mode 100644 index 0000000..4acde23 --- /dev/null +++ b/res/font.png diff --git a/res/fxconv-metadata.txt b/res/fxconv-metadata.txt index 8ca05ea..cbf605c 100644 --- a/res/fxconv-metadata.txt +++ b/res/fxconv-metadata.txt @@ -1,3 +1,6 @@ tset.png: type: bopti-image name: bimg_tset +font.png: + type: bopti-image + name: bimg_font @@ -1,5 +1,9 @@ #define LZY_IMPLEMENTATION #define LZY_GINT_TILESET bimg_tset +#define LZY_GINT_FONT bimg_font +#define LZY_CHR_WIDTH 16 +#define LZY_CHR_HEIGHT 16 +#define LZY_FIRST_CHR ' ' #include "lzy.h" static void draw_player(int x, int y); @@ -8,7 +12,7 @@ int main(void) { int x = 0; int y = 0; - if (LZY_Init("lzy example", "res/tset.png", 30)) { + if (LZY_Init("lzy example", 30, "res/tset.png", "res/font.png")) { LZY_Log(LZY_GetError()); LZY_Quit(); return 1; |