[u/mrichter/AliRoot.git] / EVE / Reve / BoxSetGL.cxx

// $Header$

#include "BoxSetGL.h"
#include <Reve/BoxSet.h>

#include <TGLIncludes.h>

using namespace Reve;

//______________________________________________________________________
// BoxSetGL
//

ClassImp(BoxSetGL)

BoxSetGL::BoxSetGL() : fM(0)
{
  // fDLCache = false; // Disable display list.
}

BoxSetGL::~BoxSetGL()
{}

/**************************************************************************/

Bool_t BoxSetGL::SetModel(TObject* obj, const Option_t* /*opt*/)
{
  Bool_t isok = SetModelCheckClass(obj, Reve::BoxSet::Class());
  fM = isok ? dynamic_cast<Reve::BoxSet*>(obj) : 0;
  return isok;
}

void BoxSetGL::SetBBox()
{
  SetAxisAlignedBBox(fM->AssertBBox());
}

/**************************************************************************/

void BoxSetGL::DirectDraw(TGLRnrCtx & /*rnrCtx*/) const
{
  BoxSet& mB = * fM;
  // printf("BoxSetGL::DirectDraw N boxes %d\n", mB.fBoxes.size());
  if(mB.fBoxes.size() == 0)
    return;

  glPushAttrib(GL_ENABLE_BIT | GL_POLYGON_BIT);
  glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
  glEnable(GL_COLOR_MATERIAL);
  glDisable(GL_CULL_FACE);
  if (mB.fRenderMode == BoxSet::RM_Fill) {
    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
  } else if (mB.fRenderMode == BoxSet::RM_Line) {
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    glDisable(GL_LIGHTING);
  }
  UChar_t defCol[4];
  Reve::ColorFromIdx(mB.fDefaultColor, defCol);

  if (mB.fRenderMode != BoxSet::RM_Line) {

    glBegin(GL_QUADS);
    for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
      UChar_t* c = q->color;
      if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	glColor4ubv(defCol);
      } else {
	glColor4ubv(c);
      }

      // bottom: 3210
      glNormal3f(0, 0, -1);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices + 6);
      glVertex3fv(q->vertices + 3);  glVertex3fv(q->vertices);
      // top:   4567
      glNormal3f(0, 0, 1);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
      glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
      // front: 0154
      glNormal3f(0, -1, 0);
      glVertex3fv(q->vertices);      glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
      // back:  7623
      glNormal3f(0, 1, 0);
      glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 9);
      // left:  4730
      glNormal3f(-1, 0, 0);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices);
      // right: 5126
      glNormal3f(1, 0, 0);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 18);
    }
    glEnd();

  } else {

    for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
      UChar_t* c = q->color;
      if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	glColor4ubv(defCol);
      } else {
	glColor4ubv(c);
      }

      // bottom: 3210
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices + 6);
      glVertex3fv(q->vertices + 3);  glVertex3fv(q->vertices);
      glEnd();
      // top:   4567
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
      glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
      glEnd();
      // front: 0154
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices);      glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
      glEnd();
      // back:  7623
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 9);
      glEnd();
      // left:  4730
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
      glVertex3fv(q->vertices + 9);  glVertex3fv(q->vertices);
      glEnd();
      // right: 5126
      glBegin(GL_LINE_LOOP);
      glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
      glVertex3fv(q->vertices + 6);  glVertex3fv(q->vertices + 18);
      glEnd();
    }

  }

  glPopAttrib();
}
Commit	Line	Data
915dabe1	1	// $Header$
	2
	3	#include "BoxSetGL.h"
	4	#include <Reve/BoxSet.h>
	5
19208112	6	#include <TGLIncludes.h>
915dabe1	7
	8	using namespace Reve;
	9
	10	//______________________________________________________________________
	11	// BoxSetGL
	12	//
	13
2aef44c1	14	ClassImp(BoxSetGL)
915dabe1	15
0d989760	16	BoxSetGL::BoxSetGL() : fM(0)
915dabe1	17	{
19208112	18	// fDLCache = false; // Disable display list.
915dabe1	19	}
	20
	21	BoxSetGL::~BoxSetGL()
	22	{}
	23
	24	/**************************************************************************/
	25
19208112	26	Bool_t BoxSetGL::SetModel(TObject* obj, const Option_t* /opt/)
915dabe1	27	{
0d989760	28	Bool_t isok = SetModelCheckClass(obj, Reve::BoxSet::Class());
	29	fM = isok ? dynamic_cast<Reve::BoxSet*>(obj) : 0;
	30	return isok;
915dabe1	31	}
	32
	33	void BoxSetGL::SetBBox()
	34	{
0d989760	35	SetAxisAlignedBBox(fM->AssertBBox());
915dabe1	36	}
	37
	38	/**************************************************************************/
	39
19208112	40	void BoxSetGL::DirectDraw(TGLRnrCtx & /rnrCtx/) const
915dabe1	41	{
0d989760	42	BoxSet& mB = * fM;
915dabe1	43	// printf("BoxSetGL::DirectDraw N boxes %d\n", mB.fBoxes.size());
c8f79bf4	44	if(mB.fBoxes.size() == 0)
c8f79bf4	45	return;
915dabe1	46
	47	glPushAttrib(GL_ENABLE_BIT \| GL_POLYGON_BIT);
	48	glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
	49	glEnable(GL_COLOR_MATERIAL);
	50	glDisable(GL_CULL_FACE);
0d989760	51	if (mB.fRenderMode == BoxSet::RM_Fill) {
c8b08692	52	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
0d989760	53	} else if (mB.fRenderMode == BoxSet::RM_Line) {
c8b08692	54	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
0d989760	55	glDisable(GL_LIGHTING);
0d989760	56	}
c8b08692	57	UChar_t defCol[4];
c8b08692	58	Reve::ColorFromIdx(mB.fDefaultColor, defCol);
0d989760	59
	60	if (mB.fRenderMode != BoxSet::RM_Line) {
	61
	62	glBegin(GL_QUADS);
	63	for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
	64	UChar_t* c = q->color;
	65	if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	66	glColor4ubv(defCol);
	67	} else {
	68	glColor4ubv(c);
	69	}
	70
	71	// bottom: 3210
	72	glNormal3f(0, 0, -1);
	73	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices + 6);
	74	glVertex3fv(q->vertices + 3); glVertex3fv(q->vertices);
	75	// top: 4567
	76	glNormal3f(0, 0, 1);
	77	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
	78	glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
	79	// front: 0154
	80	glNormal3f(0, -1, 0);
	81	glVertex3fv(q->vertices); glVertex3fv(q->vertices + 3);
	82	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
	83	// back: 7623
	84	glNormal3f(0, 1, 0);
	85	glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
	86	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 9);
	87	// left: 4730
	88	glNormal3f(-1, 0, 0);
	89	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
	90	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices);
	91	// right: 5126
	92	glNormal3f(1, 0, 0);
	93	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
	94	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 18);
	95	}
	96	glEnd();
	97
	98	} else {
	99
	100	for(std::vector<Box>::iterator q=mB.fBoxes.begin(); q!=mB.fBoxes.end(); ++q) {
	101	UChar_t* c = q->color;
	102	if (c[3] == 0 && c[2] == 0 && c[1] == 0 && c[0] == 0) {
	103	glColor4ubv(defCol);
	104	} else {
	105	glColor4ubv(c);
	106	}
	107
	108	// bottom: 3210
	109	glBegin(GL_LINE_LOOP);
	110	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices + 6);
	111	glVertex3fv(q->vertices + 3); glVertex3fv(q->vertices);
	112	glEnd();
	113	// top: 4567
	114	glBegin(GL_LINE_LOOP);
	115	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 15);
	116	glVertex3fv(q->vertices + 18); glVertex3fv(q->vertices + 21);
	117	glEnd();
	118	// front: 0154
	119	glBegin(GL_LINE_LOOP);
	120	glVertex3fv(q->vertices); glVertex3fv(q->vertices + 3);
	121	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 12);
	122	glEnd();
123	// back: 7623
124	glBegin(GL_LINE_LOOP);
125	glVertex3fv(q->vertices + 21); glVertex3fv(q->vertices + 18);
126	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 9);
127	glEnd();
128	// left: 4730
129	glBegin(GL_LINE_LOOP);
130	glVertex3fv(q->vertices + 12); glVertex3fv(q->vertices + 21);
131	glVertex3fv(q->vertices + 9); glVertex3fv(q->vertices);
132	glEnd();
133	// right: 5126
134	glBegin(GL_LINE_LOOP);
135	glVertex3fv(q->vertices + 15); glVertex3fv(q->vertices + 3);
136	glVertex3fv(q->vertices + 6); glVertex3fv(q->vertices + 18);
137	glEnd();
c8b08692	138	}
915dabe1	139
915dabe1	140	}
915dabe1	141
	142	glPopAttrib();
	143	}