#include <stdlib.h>
#include "intro.h"

#define FONT_SIZE 36

void display_loading(void) {
  int window_width = GetRenderWidth(); 
  int window_height = GetRenderHeight(); 
  int loading_width = MeasureText("Loading...", FONT_SIZE);
  BeginDrawing();
  DrawText("Loading...", window_width - loading_width, window_height - FONT_SIZE, FONT_SIZE, RAYWHITE);
  EndDrawing();
}

Intro *load_intro(void) {
  Intro *i = malloc(sizeof(Intro));
  i->textures = malloc(sizeof(Texture) * 2);

  Image bgb = LoadImage("img/made_by_bgb.png");
  i->textures[0] = LoadTextureFromImage(bgb);
  UnloadImage(bgb);

  Image ray = LoadImage("img/made_w_raylib.png");
  i->textures[1] = LoadTextureFromImage(ray);
  UnloadImage(ray);

  i->texture_count = 2;
  i->timer = 0.;
  return i;
}

void intro_display(Intro *intro) {
  for (int i = 0; i < intro->texture_count; i++) {
    intro->timer = GetTime() + 2.0;
    BeginDrawing();
    DrawTexture(intro->textures[i], 0, 0, WHITE);
    EndDrawing();
    while(GetTime() < intro->timer) {}
  }
}