#include "drawText.h"
#include <stdarg.h>

/* built-in functions */
extern struct {} *gpSystemFont;
typedef float Mtx[3][4];
typedef struct {
  void* __vt__;
  char unk[0x1c-4];
  int xInt;
  int yInt;
  float xFloat;
  float yFloat;
  float zFloat;
  char unk1[12];
  uint32_t bgMask;
  uint32_t fgMask;
  uint32_t colorTop;
  uint32_t colorBot;
  int x4c;
  int lineHeight;
  int x54;
  int fontWidth;
  int fontHeight;
  char unk3[8];
} J2DPrint;

void J2DPrint_print_1(void *this, void *font, int x4c, int lineHeight, uint32_t *colorTop, uint32_t *colorBot);
// color.alpha = printer->color.alpha * alphaMask/0xff
void J2DPrint_print_alpha_va(void *printer, uint8_t alphaMask, const char *fmt, va_list args);
/**********************/


void drawText(DrawTextOpt *opt, const char *fmt, ...) {
  Mtx mtx;
  J2DPrint printer;

  va_list args;
  va_start(args, fmt);

  // new J2DPrinter
  J2DPrint_new_1(&printer, gpSystemFont, 0, opt->fontSize, &opt->colorTop, &opt->colorBot);
  printer.fontWidth = printer.fontHeight = opt->fontSize;

  // set coordinate
  printer.xInt = opt->x;
  // printer.yInt = opt->y; // (actually unused)
  printer.xFloat = opt->x;
  printer.yFloat = opt->y;
  printer.zFloat = 0;

  // print text
  J2DPrint_print_alpha_va(&printer, 0xff, fmt, args);
  va_end(args);

  // no need to delete if not allocating memory from heap
  // delete_J2DPrint(&printer, -1);
}