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Most texure work

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This commit is contained in:
Bruno Rybársky
2025-06-10 21:59:51 +02:00
parent a17e3abbff
commit 39c31f0042
103 changed files with 666 additions and 246 deletions
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72
util/font.c
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@@ -7,58 +7,78 @@
BitmapFont fonts[fontCount];
BitmapFont
prepText(SDL_Renderer *renderer, unsigned char pxSize, const char *file, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
BitmapFont prepText(SDL_Renderer *renderer, unsigned char pxSize, const char *file) {
TTF_Font *gFont = TTF_OpenFont(file, pxSize);
BitmapFont out;
out.size = pxSize;
out.color = (SDL_Color) {r, g, b, a};
unsigned int i = 1;
do {
if (i == 173) { //specifically this char is 0 width (IDK why)
out.surface[i] = SDL_CreateRGBSurface(0, pxSize, pxSize, 32, 0, 0, 0, 0);
out.color = (SDL_Color) {255, 255, 255, 255};
const int glyphsPerRow = 16;
const int glyphsPerCol = 16;
const int atlasWidth = glyphsPerRow * (pxSize + 1);
const int atlasHeight = glyphsPerCol * (pxSize + 1);
SDL_Surface *atlasSurface = SDL_CreateRGBSurface(0, atlasWidth, atlasHeight, 32,
0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000);
out.atlasRect.x = 0;
out.atlasRect.y = 0;
out.atlasRect.w = atlasWidth;
out.atlasRect.h = atlasHeight;
SDL_FillRect(atlasSurface, NULL, SDL_MapRGBA(atlasSurface->format, 0, 0, 0, 0)); // transparent
for (uint16_t i = 1; i < 256; i++) {
SDL_Surface *surf;
if (i == 173) {
surf = SDL_CreateRGBSurface(0, pxSize, pxSize, 32,
0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000);
SDL_FillRect(surf, NULL, SDL_MapRGBA(surf->format, 0, 0, 0, 0)); // transparent
} else {
char tmpOut[2] = {i, 0};
out.surface[i] = TTF_RenderText_Solid(gFont, tmpOut, out.color);
surf = TTF_RenderText_Solid(gFont, tmpOut, out.color);
}
out.texture[i] = SDL_CreateTextureFromSurface(renderer, out.surface[i]);
i++;
} while (i < 256);
int x = (i % glyphsPerRow) * (pxSize + 1);
int y = (i / glyphsPerRow) * (pxSize + 1);
SDL_Rect dest = {x, y, pxSize, pxSize};
SDL_BlitSurface(surf, NULL, atlasSurface, &dest);
out.glyphs[i] = dest;
SDL_FreeSurface(surf);
}
out.atlas = SDL_CreateTextureFromSurface(renderer, atlasSurface);
SDL_SetTextureBlendMode(out.atlas, SDL_BLENDMODE_BLEND);
SDL_FreeSurface(atlasSurface);
TTF_CloseFont(gFont);
return out;
}
void renderText(SDL_Renderer *renderer, BitmapFont font, char *string, uint16_t x, uint16_t y) {
SDL_Rect charRect;
charRect.x = 0;
charRect.y = 0;
charRect.w = font.size;
charRect.h = font.size;
SDL_Rect outRect = charRect;
SDL_Rect outRect;
outRect.x = x;
outRect.y = y;
outRect.w = font.size;
outRect.h = font.size;
while (*string) {
if (*string == '\n') {
outRect.x = x;
outRect.y += charRect.h + 4;
outRect.y += outRect.h + 4;
string++;
continue;
}
SDL_RenderCopy(renderer, font.texture[*string], &charRect, &outRect); //TODO CONSIDER FONTS IN ONE ATLAS
outRect.x += charRect.w + 1;
SDL_RenderCopy(renderer, font.atlas, &font.glyphs[*string], &outRect); //TODO CONSIDER FONTS IN ONE ATLAS
outRect.x += outRect.w + 1;
string++;
}
}
void destroyFont(BitmapFont *font) {
for (uint16_t i = 1; i < 256; i++) {
if (font->texture[i]) {
SDL_DestroyTexture(font->texture[i]);
}
if (font->surface[i]) {
SDL_FreeSurface(font->surface[i]);
}
SDL_DestroyTexture(font->atlas);
}
}