Refactor texture code + start splitting networking into threads.

texture.c

@@ -1,11 +1,11 @@
 #include "texture.h"
 #include "log.h"
 
-int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer)
+int text_texture_init(text_texture* text_texture, SDL_Renderer* renderer, int font_size)
 {
 	text_texture->texture = NULL;
 	text_texture->renderer = renderer;
-	text_texture->font = TTF_OpenFont("FiraCode-Regular.ttf", 24);
+	text_texture->font = TTF_OpenFont("FiraCode-Regular.ttf", font_size);
 	if (!text_texture->font) {
 		log_message(LOG_ERROR, "Failed to load font! TTF_Error: %s", TTF_GetError());
 		return 0;
@@ -23,6 +23,7 @@ int text_texture_load(text_texture* text_texture, char* string)
 	}
 
 	SDL_Color text_color = { 255, 255, 255 };
+	if (strlen(string) == 0) string = " ";
 	SDL_Surface* text_surface = TTF_RenderText_Solid(text_texture->font, string, text_color);
 	if (!text_surface) {
 		log_message(LOG_ERROR, "Unable to render text surface! TTF_Error: %s", TTF_GetError());
@@ -35,7 +36,7 @@ int text_texture_load(text_texture* text_texture, char* string)
 		return 0;
 	}
 
-	text_texture->texture = SDL_CreateTextureFromSurface(text_texture->renderer, text_surface);
+	text_texture->texture = texture;
 	text_texture->width = text_surface->w;
 	text_texture->height = text_surface->h;
 
@@ -62,11 +63,42 @@ int text_texture_render(text_texture* text_texture, int x, int y)
 	return 1;
 }
 
-int text_texture_free(text_texture* text_texture)
+int text_texture_destroy(text_texture* text_texture)
 {
 	if (!text_texture->texture) {
 		return 0;
 	}
 	SDL_DestroyTexture(text_texture->texture);
+	TTF_CloseFont(text_texture->font);
+	return 1;
+}
+
+int text_texture_frame_init(text_texture_frame* text_texture_frame, int len, SDL_Renderer* renderer, int font_size)
+{
+	text_texture_frame->textures = malloc(len*sizeof(text_texture));
+	for (int i = 0; i < len; i++) {
+		text_texture_init(&text_texture_frame->textures[i], renderer, font_size);
+	}
+	text_texture_frame->len = len;
+	return 1;
+}
+
+int text_texture_frame_render(text_texture_frame* text_texture_frame, int x, int y)
+{
+	int text_y_offset_step = TTF_FontHeight(text_texture_frame->textures[0].font);
+	int text_y_offset = y;
+	for (int i = 0; i < text_texture_frame->len; i++) {
+		text_texture_render(&text_texture_frame->textures[i], x, text_y_offset);
+		text_y_offset += text_y_offset_step;
+	}
+	return 1;
+}
+
+int text_texture_frame_destroy(text_texture_frame* text_texture_frame)
+{
+	for (int i = 0; i < text_texture_frame->len; i++) {
+		text_texture_destroy(&text_texture_frame->textures[i]);
+	}
+	free(text_texture_frame->textures);
 	return 1;
 }