#include "global.h"
#include "font.h"
#include "ortho.h"
#include "timing.h"

/* Color Arrays */
float white[]  = {1.0,1.0,1.0,1.0};
float black[]  = {0.0,0.0,0.0,1.0};

float red[]    = {1.0,0.0,0.0,1.0};
float green[]  = {0.0,1.0,0.0,1.0};
float blue[]   = {0.0,0.0,1.0,1.0};
float yellow[] = {1.0,1.0,0.0,1.0};

float dred[]   = {0.5,0.0,0.0,1.0};
float dgreen[] = {0.0,0.5,0.0,1.0};
float dblue[]  = {0.0,0.0,0.5,1.0};
float dyellow[] = {0.5,0.5,0.0,1.0};

int speedo(float speed){
  float spdperc;
  char  spdtxt[5];

  sprintf(spdtxt,"%i",(int)speed);
  spdperc = speed/180;

  /* Speed Barchart */
  orthosetup();
    glTranslatef(xres-120, 10, 0);
    glBindTexture(GL_TEXTURE_2D, texture[11]);
    glBegin(GL_QUADS);
      glTexCoord2f(0.0f,        0.0f);	glVertex2f(0,0);
      glTexCoord2f(1.0f*spdperc,0.0f);	glVertex2f(100*spdperc,0);
      glTexCoord2f(1.0f*spdperc,1.0f);	glVertex2f(100*spdperc,20);
      glTexCoord2f(0.0f,        1.0f);	glVertex2f(0,20);
    glEnd();
  orthoreset();
  
  /* Print the Speed as Text */
  glEnable(GL_BLEND);
    fontprint(xres-130, 35, spdtxt, 1,1,  0);
    fontprint(xres-60,  40,"km/h",  1,0.5,0);
  glDisable(GL_BLEND);

  
  return 1;
}

int fpscount(){
  char fpstxt[5];
  sprintf(fpstxt,"%i",(int)get_fps());

  glEnable(GL_BLEND);
    fontprint(10, 10, fpstxt, 1,0.5,0);
  glDisable(GL_BLEND);

  return 1;
}

int radar(int range){

  float x,y;
  float ax,bx,cx,dx;
  float ay,by,cy,dy;

  x  = -player.x / XSCALE;
  y  = -player.z / ZSCALE;
  
  ax = dx = (x-range)/64;
  bx = cx = (x+range)/64;  
  ay = by = (y-range)/64;
  cy = dy = (y+range)/64;

  orthosetup();
    glTranslatef(60, yres-60, 0);
    glColor4f( 0.0f, 1.0f, 0.0f, 0.5f );
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

    glEnable(GL_BLEND);
    glBindTexture(GL_TEXTURE_2D, texture[13]);
    glBegin(GL_QUADS);
      glTexCoord2f(ax,dy);	glVertex2f(-50,-50);
      glTexCoord2f(bx,cy);	glVertex2f( 50,-50);
      glTexCoord2f(cx,by);	glVertex2f( 50, 50);
      glTexCoord2f(dx,ay);	glVertex2f(-50, 50);
    glEnd();
    glDisable(GL_BLEND);

    glColor4fv(white);
    glBegin(GL_LINES);
      glVertex2d(0, cos(degtorad*-player.rot)*-5);
      glVertex2d(sin(degtorad*-player.rot)* 5, cos(degtorad*-player.rot)* 5);
    glEnd();

  orthoreset();
  return 1;
}

int timer(){
  int   timenow = SDL_GetTicks();
  float elapsed;
  int   minutes    = 0;
  int   seconds    = 0;
  int   hundredths = 0;
  char  minsec[5];
  char  hunsec[5];

  elapsed    = (float)(timenow - timestart) / 1000;
  minutes    = (int)  (elapsed)             / 60;
  seconds    = (int)  (elapsed)             % 60;
  hundredths = (int)  (elapsed * 100 + 0.5) % 100;

  if(hundredths < 10)
    sprintf(hunsec,"0%i",hundredths);
  else
    sprintf(hunsec,"%i",hundredths);

  if (minutes < 10 && seconds < 10)
    sprintf(minsec,"0%i:0%i",minutes,seconds);
  else if(minutes < 10 && seconds >= 10)
    sprintf(minsec,"0%i:%i",minutes,seconds);  
  else if(minutes >= 10 && seconds < 10)
    sprintf(minsec,"%i:0%i",minutes,seconds);
  else
    sprintf(minsec,"%i:%i",minutes,seconds);

  glEnable(GL_BLEND);
    fontprint(xres - (7*20), yres-32, minsec, 1,1,1);
    fontprint(xres - (2*20)+5, yres-18, hunsec, 1,0.5,1);
  glDisable(GL_BLEND);

  return 1;
}

int drawhud(){
  int speed;
  
  if(player.vel < 0)
    speed = -player.vel*36;
  else
    speed =  player.vel*36;

  speedo(speed);
  if(showfps)
    fpscount();
  radar(10);
  timer();

  return 1;
}