/*****************************************************************************
 *
 * Nom:                         tracewin.c
 * Desc:                        fonctions de traçage dans les fenetres
 *
 *
 * version                      : $VER: tracewin.c 2.2 (11.04.98)
 *****************************************************************************
 */ 
#include <exec/memory.h>
#include <graphics/rastport.h>
#include <proto/graphics.h>
#include <proto/exec.h>
#include <math.h>
#include "utils.h"
#include "tracewin.h"




struct pt ptSec,
          ptMin,
          ptHeu ;
ULONG mX, mY ;

void initwin(idWin * prj) {
  int i ;
  
  mX = prj->backWin.width / 2 ;
  mY = prj->backWin.height / 2 ;
  if (prj->RP1) {
    
    SetAPen(prj->RP1, prj->backWin.cmap[COL_TIC].reg) ;                                                       // couleur jaune
    for(i = 0; i < 360; i=i+30) {
      /* trace les repères des heures
      */
      Move(prj->RP1, ULONG(cos(PI*i/180.0) * (mX-mX/10L)) + mX, ULONG(sin(PI*i/180.0) * (mY-mY/10L)) + mY) ;
      Draw(prj->RP1, ULONG(cos(PI*i/180.0) * mX) + mX, ULONG(sin(PI*i/180.0) * mY) + mY) ;
    }
  }
  /* initalisation des points des aiguilles
   */
  /* secondes
   */
  ptSec.points = 2 ;
  ptSec.fill   = FALSE ;
  ptSec.pt_AI  = NULL ; // needed when freeing
  ptSec.pt_buffer = NULL ; // idem
  ptSec.A[0]   = 0 ;
  ptSec.A[1]   = 180 ;
  ptSec.M[0]   = 5.0 ;
  ptSec.M[1]   = 1.2 ;
  ptSec.angle  = ANGLE_S ;
  /* heures
   */
  ptHeu.points = 5 ;
  ptHeu.fill   = FALSE ;
  ptHeu.pt_AI  = AllocVec(sizeof(struct AreaInfo), MEMF_PUBLIC|MEMF_CLEAR) ;
  ptHeu.pt_buffer = AllocVec(10 * ptHeu.points, MEMF_PUBLIC) ;
  ptHeu.A[0]   = 0 ;
  ptHeu.A[1]   = 100 ;
  ptHeu.A[2]   = 180 ;
  ptHeu.A[3]   = -100 ;
  ptHeu.A[4]   = 0 ;
  ptHeu.M[0]   = 3.0 ;
  ptHeu.M[1]   = 1.1 ;
  ptHeu.M[2]   = 1.2 ;
  ptHeu.M[3]   = 1.1 ;
  ptHeu.M[4]   = 3.0 ;
  ptHeu.angle  = ANGLE_H ;
  
  /* minutes
   */
  ptMin.points =   5 ;
  ptMin.fill   = FALSE ;
  ptMin.pt_AI  = AllocVec(sizeof(struct AreaInfo), MEMF_PUBLIC|MEMF_CLEAR) ;
  ptMin.pt_buffer = AllocVec(10 * ptMin.points, MEMF_PUBLIC) ;
  ptMin.A[0]   =   0 ;
  ptMin.A[1]   =  150 ;
  ptMin.A[2]   = 180 ;
  ptMin.A[3]   = -150 ;
  ptMin.A[4]   =   0 ;
  ptMin.M[0]   =   4 ;
  ptMin.M[1]   =   1.3 ;
  ptMin.M[2]   =   1.2 ;
  ptMin.M[3]   =   1.3 ;
  ptMin.M[4]   =   4 ;
  ptMin.angle  = ANGLE_M ;
  effacer(prj) ;
  retracer(prj) ;

}
void free_twin(idWin * prj) {
  if (ptSec.pt_AI)     FreeVec(ptSec.pt_AI) ;
  if (ptSec.pt_buffer) FreeVec(ptSec.pt_buffer) ;
  
  if (ptMin.pt_AI)     FreeVec(ptMin.pt_AI) ;
  if (ptMin.pt_buffer) FreeVec(ptMin.pt_buffer) ;

  if (ptHeu.pt_AI)     FreeVec(ptHeu.pt_AI) ;
  if (ptHeu.pt_buffer) FreeVec(ptHeu.pt_buffer) ;


}

void reinit_win(idWin * prj) {
  free_twin(prj) ;
  initwin(prj) ;
}

void effacer(idWin * prj) {
//  BltBitMapRastPort(prj->wb->RastPort.BitMap, prj->backWin.posX, prj->backWin.posY, prj->RP1, 0, 0, prj->backWin.width, prj->backWin.height, 0xc0) ;
  WaitBlit() ;
  BltBitMapRastPort(prj->RP1->BitMap, 0,0, prj->RP2, 0, 0, prj->backWin.width, prj->backWin.height, 0xc0) ;
}
void retracer(idWin * prj) {
  SetAPen(prj->RP2, prj->backWin.cmap[COL_SEC].reg) ;
  tracerAiguilles(prj, &ptSec, prj->sec, NULL) ;
  SetAPen(prj->RP2, prj->backWin.cmap[COL_MIN].reg) ;
  tracerAiguilles(prj, &ptMin, prj->min, NULL) ;
  SetAPen(prj->RP2, prj->backWin.cmap[COL_HEU].reg) ;
  tracerAiguilles(prj, &ptHeu, prj->heu, prj->min/2) ;
  WaitBlit() ;
  BltBitMapRastPort(prj->RP2->BitMap, 0,0, prj->win->RPort, 0, 0, prj->backWin.width, prj->backWin.height, 0xc0) ;
}
void tracerAiguilles(idWin * prj, struct pt * ptAigu, UBYTE p_time, UBYTE an_inc) {
  int i ;
  if (ptAigu->pt_AI) {
    // reinitialise AreaInfo
    ptAigu->pt_AI->Count = NULL ; // reset vertices
//    prj->win->RPort->AreaInfo = ptAigu->pt_AI ; // set the areainfo
  }
  
  Move(prj->RP2, mX+(ULONG)(cos(PI*(ptAigu->A[0]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mX-mX/ptAigu->M[0])), 
                        mY+(ULONG)(sin(PI*(ptAigu->A[0]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mY-mY/ptAigu->M[0]))) ;

  if (!ptAigu->fill) {
    // tracer sans remplissage
    // no fill
    for(i = 0; i<ptAigu->points; i++)
      Draw(prj->RP2, mX+(ULONG)(cos(PI*(ptAigu->A[i]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mX-mX/ptAigu->M[i])), 
                            mY+(ULONG)(sin(PI*(ptAigu->A[i]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mY-mY/ptAigu->M[i]))) ;
  }else {
/*    // avec remplissage
    // fill
    
    InitArea(ptAigu->pt_AI, ptAigu->pt_buffer, ptAigu->points) ;
    AreaMove(prj->win->RPort, mX+(ULONG)(cos(PI*(ptAigu->A[0]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mX-mX/ptAigu->M[0])), 
                              mY+(ULONG)(sin(PI*(ptAigu->A[0]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mY-mY/ptAigu->M[0]))) ;

    for(i = 0; i < ptAigu->points; i++)
      AreaDraw(prj->win->RPort, mX+(ULONG)(cos(PI*(ptAigu->A[i]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mX-mX/ptAigu->M[i])), 
                                mY+(ULONG)(sin(PI*(ptAigu->A[i]+p_time*ptAigu->angle+an_inc-90.0)/180.0)*(mY-mY/ptAigu->M[i]))) ;
    
    AreaEnd(prj->win->RPort) ;*/
  }
}

void init_bitmap(idWin * prj) {
  /* initialize tmp rastport and bitmap
   */
  prj->RP1 = AllocVec(sizeof(struct RastPort), MEMF_PUBLIC) ;
  prj->RP2 = AllocVec(sizeof(struct RastPort), MEMF_PUBLIC) ; 
  InitRastPort(prj->RP1) ;
  InitRastPort(prj->RP2) ;
  prj->RP1->BitMap = AllocBitMap(prj->backWin.width, prj->backWin.height, prj->wb->RastPort.BitMap->Depth, BMF_CLEAR|BMF_DISPLAYABLE, NULL) ;
  prj->RP2->BitMap = AllocBitMap(prj->backWin.width, prj->backWin.height, prj->wb->RastPort.BitMap->Depth, BMF_CLEAR|BMF_DISPLAYABLE, NULL) ;
  WaitBlit() ;
  BltBitMapRastPort(prj->wb->RastPort.BitMap, prj->backWin.posX, prj->backWin.posY, prj->RP1, 0, 0, prj->backWin.width, prj->backWin.height, 0xc0) ;
}

void free_bitmap(idWin * prj) {

  
  if (prj->RP1 && prj->RP1->BitMap) FreeBitMap(prj->RP1->BitMap) ;
  if (prj->RP2 && prj->RP2->BitMap) FreeBitMap(prj->RP2->BitMap) ;
  if (prj->RP1) FreeVec(prj->RP1) ;
  if (prj->RP2) FreeVec(prj->RP2) ;
  prj->RP1 = prj->RP2 = NULL ;
}