utils.c

#include "utils.h"
#include <SDL2/SDL_image.h>

int utils_popArray(int* array, int* arrayLength) {
	// swap the first element with the last, reduce the length, return the old
	// first element
	if (arrayLength == 0) {
		return -1;
	}

	int elem = array[0];
	int tmp = array[(*arrayLength) - 1];
	array[(*arrayLength) - 1] = elem;
	array[0] = tmp;
	(*arrayLength) -= 1;
	return elem;
}

char utils_loadImageTexture(SDL_Renderer *renderer, const char *fileName, SDL_Texture **texture) {
	SDL_Surface* tempSurface = IMG_Load(fileName);
	if (tempSurface == 0) {
		return 0;
	}

	*texture = SDL_CreateTextureFromSurface(renderer, tempSurface);
	SDL_FreeSurface(tempSurface);
	// everything went ok, add the texture to our list
	return texture != 0;
}

void utils_createTextTexture(
	SDL_Renderer *renderer,
	TTF_Font *font,
	const char *text,
	SDL_Color color,
	SDL_Texture **texture
) {
	SDL_Surface* textSurface;
	textSurface = TTF_RenderText_Solid(font, text, color);

	if (textSurface == NULL) {
		printf(
			"Unable to render text surface! SDL_ttf Error: %s\n",
			TTF_GetError()
		);
	}
	else {
		*texture = SDL_CreateTextureFromSurface(renderer, textSurface);
		SDL_FreeSurface(textSurface);
	}
}