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Copy pathLight.cpp
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475 lines (424 loc) · 10.3 KB
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/*
Description: Main AbstractLight Base Object
classes contained are:
class AbstractLight
*/
#include "Light.h"
namespace DifferentialArts
{
/*
=====================================================================================
class AbstractLight
=====================================================================================
*/
AbstractLight::AbstractLight()
{
this->pos = Math::Vector3(0, 0, 0);
this->direction = Math::Vector3(0, 0, 0);
this->diffuse = Math::Vector3(1, 1, 1);
this->specular = Math::Vector3(1, 1, 1);
this->ambient = Math::Vector3(0.1f, 0.1f, 0.1f);
this->attenuation = Math::Vector3(0.001f, 0.003f, 0.0004f);
this->spot = false;
this->bDeferred = false;
this->mIndex = 0;
}
void AbstractLight::Assign(const AbstractLight &m)
{
this->pos = m.pos;
this->direction = m.direction;
this->diffuse = m.diffuse;
this->specular = m.specular;
this->ambient = m.ambient;
this->attenuation = m.attenuation;
this->spot = m.spot;;
this->bEnabled = m.bEnabled;
this->specularExponent = m.specularExponent;
}
AbstractLight::~AbstractLight()
{
}
void AbstractLight::setAttenuation(Math::Vector3 &x)
{
this->attenuation = x;
}
void AbstractLight::setSpot(bool &x)
{
this->spot = x;
}
Math::Vector3 AbstractLight::getAttenuation(void)
{
return this->attenuation;
}
bool AbstractLight::getSpot(void)
{
return this->spot;
}
/*
=====================================================================================
class EngineLight
=====================================================================================
*/
EngineLight::EngineLight()
{
this->pos = Math::Vector3(0, 0, 0);
this->direction = Math::Vector3(0, 0, 0);
this->diffuse = Math::Vector3(1, 1, 1);
this->specular = Math::Vector3(1, 1, 1);
this->ambient = Math::Vector3(0.1f, 0.1f, 0.1f);
this->attenuation = Math::Vector3(0.001f, 0.003f, 0.0004f);
this->spot = false;
this->specularExponent = 8;
this->bEnabled = true;
this->mIndex = 0;
}
EngineLight::EngineLight(int index)
{
this->pos = Math::Vector3(0, 0, 0);
this->direction = Math::Vector3(0, 0, 0);
this->diffuse = Math::Vector3(1, 1, 1);
this->specular = Math::Vector3(1, 1, 1);
this->ambient = Math::Vector3(0.1f, 0.1f, 0.1f);
this->attenuation = Math::Vector3(0.001f, 0.003f, 0.0004f);
this->spot = false;
this->specularExponent = 8;
this->bEnabled = false;
if(index < 0)
{
index = 0;
} else if(index > 7)
{
index = 7;
}
this->mIndex = index;
}
EngineLight::~EngineLight()
{
}
void EngineLight::UpdateAPILight(bool passObjSpcViaMultiTexcoord)
{
this->UpdateAPILight_pos_only();
this->UpdateAPILight_diffuse_only();
this->UpdateAPILight_specular_only();
this->UpdateAPILight_ambient_only();
this->UpdateAPILight_Enabled();
this->UpdateAPILight_attenuation_only();
}
void EngineLight::UpdateAPILight_Enabled(void)
{
switch(this->mIndex)
{
case 0:
if(this->bEnabled) { glEnable(GL_LIGHT0); }
else { glDisable(GL_LIGHT0); }
break;
case 1:
if(this->bEnabled) { glEnable(GL_LIGHT1); }
else { glDisable(GL_LIGHT1); }
break;
case 2:
if(this->bEnabled) { glEnable(GL_LIGHT2); }
else { glDisable(GL_LIGHT2); }
break;
case 3:
if(this->bEnabled) { glEnable(GL_LIGHT3); }
else { glDisable(GL_LIGHT3); }
break;
case 4:
if(this->bEnabled) { glEnable(GL_LIGHT4); }
else { glDisable(GL_LIGHT4); }
break;
case 5:
if(this->bEnabled) { glEnable(GL_LIGHT5); }
else { glDisable(GL_LIGHT5); }
break;
case 6:
if(this->bEnabled) { glEnable(GL_LIGHT6); }
else { glDisable(GL_LIGHT6); }
break;
case 7:
if(this->bEnabled) { glEnable(GL_LIGHT7); }
else { glDisable(GL_LIGHT7); }
break;
default:
break;
}
}
void EngineLight::UpdateAPILight_pos_only(bool passObjSpcViaMultiTexcoord)
{
float tPos[4];
tPos[0] = this->pos.x;
tPos[1] = this->pos.y;
tPos[2] = this->pos.z;
tPos[3] = !this->spot;
if(passObjSpcViaMultiTexcoord)
{
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE4, tPos);
break;
case 1:
glLightfv(GL_LIGHT1, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE5, tPos);
break;
case 2:
glLightfv(GL_LIGHT2, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE6, tPos);
break;
case 3:
glLightfv(GL_LIGHT3, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE7, tPos);
break;
case 4:
glLightfv(GL_LIGHT4, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE8, tPos);
break;
case 5:
glLightfv(GL_LIGHT5, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE9, tPos);
break;
case 6:
glLightfv(GL_LIGHT6, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE10, tPos);
break;
case 7:
glLightfv(GL_LIGHT7, GL_POSITION, tPos);
glMultiTexCoord4fvARB(GL_TEXTURE11, tPos);
break;
default:
break;
}
} else {
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_POSITION, tPos);
break;
case 1:
glLightfv(GL_LIGHT1, GL_POSITION, tPos);
break;
case 2:
glLightfv(GL_LIGHT2, GL_POSITION, tPos);
break;
case 3:
glLightfv(GL_LIGHT3, GL_POSITION, tPos);
break;
case 4:
glLightfv(GL_LIGHT4, GL_POSITION, tPos);
break;
case 5:
glLightfv(GL_LIGHT5, GL_POSITION, tPos);
break;
case 6:
glLightfv(GL_LIGHT6, GL_POSITION, tPos);
break;
case 7:
glLightfv(GL_LIGHT7, GL_POSITION, tPos);
break;
default:
break;
}
}
}
void EngineLight::UpdateAPILight_direction_only(void)
{
float tPos[3];
tPos[0] = this->pos.x;
tPos[1] = this->pos.y;
tPos[2] = this->pos.z;
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, tPos);
break;
case 1:
glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, tPos);
break;
case 2:
glLightfv(GL_LIGHT2, GL_SPOT_DIRECTION, tPos);
break;
case 3:
glLightfv(GL_LIGHT3, GL_SPOT_DIRECTION, tPos);
break;
case 4:
glLightfv(GL_LIGHT4, GL_SPOT_DIRECTION, tPos);
break;
case 5:
glLightfv(GL_LIGHT5, GL_SPOT_DIRECTION, tPos);
break;
case 6:
glLightfv(GL_LIGHT6, GL_SPOT_DIRECTION, tPos);
break;
case 7:
glLightfv(GL_LIGHT7, GL_SPOT_DIRECTION, tPos);
break;
default:
break;
}
}
void EngineLight::UpdateAPILight_diffuse_only(void)
{
float tTemp[4];
tTemp[0] = this->diffuse.x;
tTemp[1] = this->diffuse.y;
tTemp[2] = this->diffuse.z;
tTemp[3] = 1;
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_DIFFUSE, tTemp);
break;
case 1:
glLightfv(GL_LIGHT1, GL_DIFFUSE, tTemp);
break;
case 2:
glLightfv(GL_LIGHT2, GL_DIFFUSE, tTemp);
break;
case 3:
glLightfv(GL_LIGHT3, GL_DIFFUSE, tTemp);
break;
case 4:
glLightfv(GL_LIGHT4, GL_DIFFUSE, tTemp);
break;
case 5:
glLightfv(GL_LIGHT5, GL_DIFFUSE, tTemp);
break;
case 6:
glLightfv(GL_LIGHT6, GL_DIFFUSE, tTemp);
break;
case 7:
glLightfv(GL_LIGHT7, GL_DIFFUSE, tTemp);
break;
default:
break;
}
}
void EngineLight::UpdateAPILight_specular_only(void)
{
float tTemp[4];
tTemp[0] = this->specular.x;
tTemp[1] = this->specular.y;
tTemp[2] = this->specular.z;
tTemp[3] = this->specularExponent;
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_SPECULAR, tTemp);
break;
case 1:
glLightfv(GL_LIGHT1, GL_SPECULAR, tTemp);
break;
case 2:
glLightfv(GL_LIGHT2, GL_SPECULAR, tTemp);
break;
case 3:
glLightfv(GL_LIGHT3, GL_SPECULAR, tTemp);
break;
case 4:
glLightfv(GL_LIGHT4, GL_SPECULAR, tTemp);
break;
case 5:
glLightfv(GL_LIGHT5, GL_SPECULAR, tTemp);
break;
case 6:
glLightfv(GL_LIGHT6, GL_SPECULAR, tTemp);
break;
case 7:
glLightfv(GL_LIGHT7, GL_SPECULAR, tTemp);
break;
default:
break;
}
}
void EngineLight::UpdateAPILight_ambient_only(void)
{
float tTemp[4];
tTemp[0] = this->ambient.x;
tTemp[1] = this->ambient.y;
tTemp[2] = this->ambient.z;
tTemp[3] = 1;
switch(this->mIndex)
{
case 0:
glLightfv(GL_LIGHT0, GL_AMBIENT, tTemp);
break;
case 1:
glLightfv(GL_LIGHT1, GL_AMBIENT, tTemp);
break;
case 2:
glLightfv(GL_LIGHT2, GL_AMBIENT, tTemp);
break;
case 3:
glLightfv(GL_LIGHT3, GL_AMBIENT, tTemp);
break;
case 4:
glLightfv(GL_LIGHT4, GL_AMBIENT, tTemp);
break;
case 5:
glLightfv(GL_LIGHT5, GL_AMBIENT, tTemp);
break;
case 6:
glLightfv(GL_LIGHT6, GL_AMBIENT, tTemp);
break;
case 7:
glLightfv(GL_LIGHT7, GL_AMBIENT, tTemp);
break;
default:
break;
}
}
void EngineLight::UpdateAPILight_attenuation_only(void)
{
float tTemp[4];
tTemp[0] = this->attenuation.x;
tTemp[1] = this->attenuation.y;
tTemp[2] = this->attenuation.z;
tTemp[3] = 1;
switch(this->mIndex)
{
case 0:
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT0, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 1:
glLightf(GL_LIGHT1, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT1, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 2:
glLightf(GL_LIGHT2, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT2, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT2, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 3:
glLightf(GL_LIGHT3, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT3, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT3, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 4:
glLightf(GL_LIGHT4, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT4, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT4, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 5:
glLightf(GL_LIGHT5, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT5, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT5, GL_QUADRATIC_ATTENUATION, tTemp[2]);
case 6:
glLightf(GL_LIGHT6, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT6, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT6, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
case 7:
glLightf(GL_LIGHT7, GL_CONSTANT_ATTENUATION, tTemp[0]);
glLightf(GL_LIGHT7, GL_LINEAR_ATTENUATION, tTemp[1]);
glLightf(GL_LIGHT7, GL_QUADRATIC_ATTENUATION, tTemp[2]);
break;
default:
break;
}
}
}