/*!****************************************************************************
@Function Clamp
@Input X number to Clamp
@Return VERTTYPE Clamped number
@Description Clamps the argument to 0-255.
******************************************************************************/
VERTTYPE OGLESParticles::Clamp(VERTTYPE X)
{
if(X < f2vt(0.0f))
X = f2vt(0.0f);
else if(X > f2vt(255.0f))
X = f2vt(255.0f);
return X;
}
PVRTVec3 SimpleCamera::getUp() const
{
PVRTVec3 vUp(f2vt(0.0f),f2vt(1.0f),f2vt(0.0f));
PVRTMat3 mRotY = PVRTMat3::RotationY(m_fHeading);
PVRTMat3 mRotX = PVRTMat3::RotationX(m_fElevation);
vUp = (vUp*mRotX)*mRotY;
return vUp;
}
PVRTVec3 SimpleCamera::getTo() const
{
PVRTVec3 vTo(f2vt(0.0f),f2vt(0.0f),f2vt(1.0f));
PVRTMat3 mRotY = PVRTMat3::RotationY(m_fHeading);
PVRTMat3 mRotX = PVRTMat3::RotationX(m_fElevation);
vTo = (vTo*mRotX)*mRotY;
return vTo;
}
/*!***************************************************************************
@Function Rotate
@Description Rotates vertices in model space.
*****************************************************************************/
void CPVRTPrint3D::Rotate(SPVRTPrint3DAPIVertex * const pv, const unsigned int nCnt)
{
unsigned int i;
VERTTYPE x, y;
for(i = 0; i < nCnt; ++i)
{
x = VERTTYPEDIV((VERTTYPE&)pv[i].sx, f2vt(640.0f * m_fScreenScale[0]));
y = VERTTYPEDIV((VERTTYPE&)pv[i].sy, f2vt(480.0f * m_fScreenScale[1]));
(VERTTYPE&)pv[i].sx = VERTTYPEMUL(y, f2vt(640.0f * m_fScreenScale[0]));
(VERTTYPE&)pv[i].sy = VERTTYPEMUL(f2vt(1.0f) - x, f2vt(480.0f * m_fScreenScale[1]));
}
}
/*!****************************************************************************
@Function DrawReflectiveMesh
@Input ui32MeshID ID of mesh to draw
@Input pNormalTx Rotation matrix
@Description Draws a mesh with the reflection
******************************************************************************/
void OGLESVase::DrawReflectiveMesh(unsigned int ui32MeshID, PVRTMat4 *pNormalTx)
{
SPODMesh& Mesh = m_Scene.pMesh[ui32MeshID];
VERTTYPE *pUVs = new VERTTYPE[2 * Mesh.nNumVertex];
PVRTMat4 EnvMapMatrix;
unsigned int i;
// Calculate matrix for environment mapping: simple multiply by 0.5
for(i = 0; i < 16; ++i)
EnvMapMatrix.f[i] = VERTTYPEMUL(pNormalTx->f[i], f2vt(0.5f));
unsigned char* pNormals = Mesh.pInterleaved + (size_t) Mesh.sNormals.pData;
/* Calculate UVs for environment mapping */
for(i = 0; i < Mesh.nNumVertex; ++i)
{
VERTTYPE *pVTNormals = (VERTTYPE*) pNormals;
pUVs[2*i] = VERTTYPEMUL(pVTNormals[0], EnvMapMatrix.f[0]) +
VERTTYPEMUL(pVTNormals[1], EnvMapMatrix.f[4]) +
VERTTYPEMUL(pVTNormals[2], EnvMapMatrix.f[8]) +
f2vt(0.5f);
pUVs[2*i+1] = VERTTYPEMUL(pVTNormals[0], EnvMapMatrix.f[1]) +
VERTTYPEMUL(pVTNormals[1], EnvMapMatrix.f[5]) +
VERTTYPEMUL(pVTNormals[2], EnvMapMatrix.f[9]) +
f2vt(0.5f);
pNormals += Mesh.sNormals.nStride;
}
// Bind the vertex buffers
glBindBuffer(GL_ARRAY_BUFFER, m_puiVbo[ui32MeshID]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_puiIndexVbo[ui32MeshID]);
// Setup pointers
glVertexPointer(3, VERTTYPEENUM, Mesh.sVertex.nStride, Mesh.sVertex.pData);
// unbind the vertex buffer as we don't need them bound anymore
glBindBuffer(GL_ARRAY_BUFFER, 0);
glTexCoordPointer(2, VERTTYPEENUM, 0, pUVs);
glDrawElements(GL_TRIANGLES, Mesh.nNumFaces * 3, GL_UNSIGNED_SHORT, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
delete[] pUVs;
}
void SimpleCamera::PitchDown()
{
if(m_bInverted)
{
m_fElevation-=m_fRotSpeed;
if(m_fElevation<=-PVRT_PI_OVER_TWO)
m_fElevation=-PVRT_PI_OVER_TWO + f2vt(0.001f);
}
else
{
m_fElevation+=m_fRotSpeed;
if(m_fElevation>=PVRT_PI_OVER_TWO)
m_fElevation=PVRT_PI_OVER_TWO - f2vt(0.001f);
}
}
void SimpleCamera::setTo(const PVRTVec3& vec)
{
// find angle from horizontal
m_fElevation = f2vt((float) atan(VERTTYPEDIV(vec.y,f2vt(sqrt(vt2f(vec.z*vec.z+vec.x*vec.x))))));
// find principle angle from straight ahead
m_fHeading = f2vt((float) atan2(vt2f(vec.x),vt2f(vec.z)));
m_fHeading -= PVRT_PI;
while(m_fHeading < 0.0f)
m_fHeading+=PVRT_TWO_PI;
}
/*!***************************************************************************
@Function inverse
@Returns inverse mat4
@Description Calculates multiplicative inverse of this matrix
The matrix must be of the form :
A 0
C 1
Where A is a 3x3 matrix and C is a 1x3 matrix.
*****************************************************************************/
PVRTMat4 PVRTMat4::inverse() const
{
PVRTMat4 out;
VERTTYPE det_1;
VERTTYPE pos, neg, temp;
/* Calculate the determinant of submatrix A and determine if the
the matrix is singular as limited by the double precision
floating-point data representation. */
pos = neg = f2vt(0.0);
temp = VERTTYPEMUL(VERTTYPEMUL(f[ 0], f[ 5]), f[10]);
if (temp >= 0) pos += temp; else neg += temp;
temp = VERTTYPEMUL(VERTTYPEMUL(f[ 4], f[ 9]), f[ 2]);
if (temp >= 0) pos += temp; else neg += temp;
temp = VERTTYPEMUL(VERTTYPEMUL(f[ 8], f[ 1]), f[ 6]);
if (temp >= 0) pos += temp; else neg += temp;
temp = VERTTYPEMUL(VERTTYPEMUL(-f[ 8], f[ 5]), f[ 2]);
if (temp >= 0) pos += temp; else neg += temp;
temp = VERTTYPEMUL(VERTTYPEMUL(-f[ 4], f[ 1]), f[10]);
if (temp >= 0) pos += temp; else neg += temp;
temp = VERTTYPEMUL(VERTTYPEMUL(-f[ 0], f[ 9]), f[ 6]);
if (temp >= 0) pos += temp; else neg += temp;
det_1 = pos + neg;
/* Is the submatrix A singular? */
if (det_1 == f2vt(0.0)) //|| (VERTTYPEABS(det_1 / (pos - neg)) < 1.0e-15)
{
/* Matrix M has no inverse */
_RPT0(_CRT_WARN, "Matrix has no inverse : singular matrix\n");
}
else
{
/* Calculate inverse(A) = adj(A) / det(A) */
//det_1 = 1.0 / det_1;
det_1 = VERTTYPEDIV(f2vt(1.0f), det_1);
out.f[ 0] = VERTTYPEMUL(( VERTTYPEMUL(f[ 5], f[10]) - VERTTYPEMUL(f[ 9], f[ 6]) ), det_1);
out.f[ 1] = - VERTTYPEMUL(( VERTTYPEMUL(f[ 1], f[10]) - VERTTYPEMUL(f[ 9], f[ 2]) ), det_1);
out.f[ 2] = VERTTYPEMUL(( VERTTYPEMUL(f[ 1], f[ 6]) - VERTTYPEMUL(f[ 5], f[ 2]) ), det_1);
out.f[ 4] = - VERTTYPEMUL(( VERTTYPEMUL(f[ 4], f[10]) - VERTTYPEMUL(f[ 8], f[ 6]) ), det_1);
out.f[ 5] = VERTTYPEMUL(( VERTTYPEMUL(f[ 0], f[10]) - VERTTYPEMUL(f[ 8], f[ 2]) ), det_1);
out.f[ 6] = - VERTTYPEMUL(( VERTTYPEMUL(f[ 0], f[ 6]) - VERTTYPEMUL(f[ 4], f[ 2]) ), det_1);
out.f[ 8] = VERTTYPEMUL(( VERTTYPEMUL(f[ 4], f[ 9]) - VERTTYPEMUL(f[ 8], f[ 5]) ), det_1);
out.f[ 9] = - VERTTYPEMUL(( VERTTYPEMUL(f[ 0], f[ 9]) - VERTTYPEMUL(f[ 8], f[ 1]) ), det_1);
out.f[10] = VERTTYPEMUL(( VERTTYPEMUL(f[ 0], f[ 5]) - VERTTYPEMUL(f[ 4], f[ 1]) ), det_1);
/* Calculate -C * inverse(A) */
out.f[12] = - ( VERTTYPEMUL(f[12], out.f[ 0]) + VERTTYPEMUL(f[13], out.f[ 4]) + VERTTYPEMUL(f[14], out.f[ 8]) );
out.f[13] = - ( VERTTYPEMUL(f[12], out.f[ 1]) + VERTTYPEMUL(f[13], out.f[ 5]) + VERTTYPEMUL(f[14], out.f[ 9]) );
out.f[14] = - ( VERTTYPEMUL(f[12], out.f[ 2]) + VERTTYPEMUL(f[13], out.f[ 6]) + VERTTYPEMUL(f[14], out.f[10]) );
/* Fill in last row */
out.f[ 3] = f2vt(0.0f);
out.f[ 7] = f2vt(0.0f);
out.f[11] = f2vt(0.0f);
out.f[15] = f2vt(1.0f);
}
return out;
}
bool UniformHandler::isVisibleSphere(const PVRTVec3& v3Centre, const VERTTYPE fRadius)
{
// get in view space
PVRTVec4 v4TransCentre = m_mWorldView * PVRTVec4(v3Centre,f2vt(1.0f));
// find clip space coord for centre
v4TransCentre = m_mProjection * v4TransCentre;
VERTTYPE fRadX,fRadY;
// scale radius according to perspective
if(m_bRotate)
{
fRadX = PVRTABS(VERTTYPEMUL(fRadius,m_mProjection(0,1)));
fRadY = PVRTABS(VERTTYPEMUL(fRadius,m_mProjection(1,0)));
}
else
{
fRadX = PVRTABS(VERTTYPEMUL(fRadius,m_mProjection(0,0)));
fRadY = PVRTABS(VERTTYPEMUL(fRadius,m_mProjection(1,1)));
}
VERTTYPE fRadZ = PVRTABS(VERTTYPEMUL(fRadius,m_mProjection(2,2)));
// check if inside frustums
// X
if(v4TransCentre.x+fRadX<-v4TransCentre.w)
{ // 'right' side out to 'left' def out
return false;
}
if(v4TransCentre.x-fRadX>v4TransCentre.w)
{ // 'left' side out to 'right' def out
return false;
}
// Y
if(v4TransCentre.y+fRadY<-v4TransCentre.w)
{ // 'up' side out to 'top' def out
return false;
}
if(v4TransCentre.y-fRadY>v4TransCentre.w)
{ // 'down' side out to 'bottom' def out
return false;
}
// Z
if(v4TransCentre.z+fRadZ<-v4TransCentre.w)
{ // 'far' side out to 'back' def out
return false;
}
if(v4TransCentre.z-fRadZ>v4TransCentre.w)
{ // 'near' side out to 'front' def out
return false;
}
return true;
}
void SimpleCamera::updatePosition()
{
// Most of this stuff is to try and smooth movement when controlled by the primitive keyboard input available
PVRTVec3 vDec = m_vVelocity * f2vt(TimeController::inst().getDeltaTime()) * m_fMoveSpeed * f2vt(0.1f);
while(vDec.lenSqr()>m_vVelocity.lenSqr())
{
vDec /= f2vt(2.0f);
}
m_vVelocity -= vDec;
if(m_vVelocity.lenSqr()>m_fMoveSpeed*m_fMoveSpeed)
{
m_vVelocity = m_vVelocity.normalized()*m_fMoveSpeed;
}
m_vPosition += m_vVelocity * f2vt((float)TimeController::inst().getDeltaTime());
}
SimpleCamera::SimpleCamera()
{
m_vPosition.x = m_vVelocity.x = f2vt(0.0f);
m_vPosition.y = m_vVelocity.y = f2vt(0.0f);
m_vPosition.z = m_vVelocity.z = f2vt(0.0f);
m_fHeading = f2vt(0.0f);
m_fElevation = f2vt(0.0f);
m_fMoveSpeed = f2vt(5.0f);
m_fRotSpeed = f2vt(0.01f);
m_fFOV = f2vt(0.7f);
m_bInverted = false;
}
OGLESParticles() : m_fFrom(f2vt(0.0f), f2vt(45.0f), f2vt(120.0f)),
m_fTo(f2vt(0.0f), f2vt(20.0f), f2vt(-1.0f)),
m_i32NumParticles(0),
m_fRot(0),
m_fRot2(0)
{
}
/*!****************************************************************************
@Function InitView
@Return bool true if no error occured
@Description Code in InitView() will be called by PVRShell upon
initialization or after a change in the rendering context.
Used to initialize variables that are dependant on the rendering
context (e.g. textures, vertex buffers, etc.)
******************************************************************************/
bool OGLES2Coverflow::InitView()
{
CPVRTString ErrorStr;
// Get and set the read path for content files
CPVRTResourceFile::SetReadPath((char*)PVRShellGet(prefReadPath));
// Get and set the load/release functions for loading external files.
// In the majority of cases the PVRShell will return NULL function pointers implying that
// nothing special is required to load external files.
CPVRTResourceFile::SetLoadReleaseFunctions(PVRShellGet(prefLoadFileFunc), PVRShellGet(prefReleaseFileFunc));
if (!LoadTextures(&ErrorStr))
{
PVRShellSet(prefExitMessage, ErrorStr.c_str());
return false;
}
if (!LoadShaders(&ErrorStr))
{
PVRShellSet(prefExitMessage, ErrorStr.c_str());
return false;
}
bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
if(m_Print3D.SetTextures(0,PVRShellGet(prefWidth),PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D\n");
return false;
}
PVRTVECTOR3 vFrom = {0.0f, 0.0f, 15.0f },
vTo = { 0, 0, 0 },
vUp = { 0, 1, 0 };
PVRTMatrixPerspectiveFovRH(m_mProjection, g_FOV, f2vt((float)PVRShellGet(prefWidth)/(float)PVRShellGet(prefHeight)), f2vt(g_fCameraNear), f2vt(g_fCameraFar), bRotate);
PVRTMatrixLookAtRH(m_mView, vFrom, vTo, vUp);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
//this must be called after InitApplication
CreateCover();
// Enable culling
glEnable(GL_CULL_FACE);
return true;
}
/*!****************************************************************************
@Function RenderParticle
@Input NmbrOfParticles number of particles to initialize
@Input bReflect should we use the reflection colour ?
@Description Renders the specified set of particles, optionally using the
reflection colour.
******************************************************************************/
void OGLESParticles::RenderParticle(int i32ParticleNo, bool bReflect)
{
// If point sprites are availables, use them to draw the particles.
glBindBuffer(GL_ARRAY_BUFFER, m_i32VertVboID);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3,VERTTYPEENUM, sizeof(SVtxPointSprite), 0);
myglTexEnv( GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_TRUE );
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
glPointSizePointerOES(VERTTYPEENUM, sizeof(SVtxPointSprite),(GLvoid*) (sizeof(VERTTYPE)*3));
#ifndef PVRT_FIXED_POINT_ENABLE
float fCoefs[4] = { 0, 0, m_fPointAttenuationCoef, 0 };
#else
// Note: m_fPointAttenuationCoef will be too small to represent as a fixed point number,
// So use an approximation to the attenuation (fixed attenuation of 0.01) instead.
VERTTYPE fCoefs[4] = { f2vt(0.01f), f2vt(0.0f), f2vt(0.0f), f2vt(0.0f) };
#endif
myglPointParameterv(GL_POINT_DISTANCE_ATTENUATION, fCoefs);
glEnableClientState(GL_COLOR_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, bReflect ? m_i32ColBVboID : m_i32ColAVboID);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, 0);
glDrawArrays(GL_POINTS, 0, i32ParticleNo);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_POINT_SIZE_ARRAY_OES);
glDisableClientState(GL_COLOR_ARRAY);
}
void SimpleCamera::getToAndUp(PVRTVec3& vTo, PVRTVec3& vUp) const
{
vTo = PVRTVec3(f2vt(0.0f),f2vt(0.0f),f2vt(1.0f));
vUp = PVRTVec3(f2vt(0.0f),f2vt(1.0f),f2vt(0.0f));
PVRTMat3 mRotY = PVRTMat3::RotationY(m_fHeading);
PVRTMat3 mRotX = PVRTMat3::RotationX(m_fElevation);
vTo = (vTo*mRotX)*mRotY;
vUp = (vUp*mRotX)*mRotY;
}
void SimpleCamera::getTargetAndUp(PVRTVec3& vTarget, PVRTVec3& vUp) const
{
vTarget = PVRTVec3(f2vt(0.0f),f2vt(0.0f),f2vt(1.0f));
vUp = PVRTVec3(f2vt(0.0f),f2vt(1.0f),f2vt(0.0f));
PVRTMat3 mRotY = PVRTMat3::RotationY(m_fHeading);
PVRTMat3 mRotX = PVRTMat3::RotationX(m_fElevation);
vTarget = (vTarget*mRotX)*mRotY;
vUp = (vUp*mRotX)*mRotY;
vTarget +=m_vPosition;
}
/*******************************************************************************
* Function Name : DrawQuad
* Input : Size, (x,y,z) and texture pntr
* Description : Basic Draw Quad with Size in Location X, Y, Z.
*******************************************************************************/
void OGLESEvilSkull::DrawQuad(float x, float y, float z, float Size, GLuint ui32Texture)
{
// Bind correct texture
glBindTexture(GL_TEXTURE_2D, ui32Texture);
// Vertex Data
VERTTYPE verts[] = { f2vt(x+Size), f2vt(y-Size), f2vt(z),
f2vt(x+Size), f2vt(y+Size), f2vt(z),
f2vt(x-Size), f2vt(y-Size), f2vt(z),
f2vt(x-Size), f2vt(y+Size), f2vt(z)
};
VERTTYPE texcoords[] = { f2vt(0.0f), f2vt(1.0f),
f2vt(0.0f), f2vt(0.0f),
f2vt(1.0f), f2vt(1.0f),
f2vt(1.0f), f2vt(0.0f)
};
// Set Arrays - Only need Vertex Array and Tex Coord Array
glVertexPointer(3,VERTTYPEENUM,0,verts);
glTexCoordPointer(2,VERTTYPEENUM,0,texcoords);
// Draw Strip
glDrawArrays(GL_TRIANGLE_STRIP,0,4);
}
/*!****************************************************************************
@Function SpawnParticle
@Output pParticle particle to initialize
@Description initializes the specified particle with randomly chosen parameters.
******************************************************************************/
void OGLESParticles::SpawnParticle(CParticle *pParticle)
{
PVRTVec3 fParticleSource(f2vt(0), f2vt(0), f2vt(0));
PVRTVec3 fParticleSourceVariability(f2vt(1), f2vt(0), f2vt(1));
PVRTVec3 fParticleVelocity(f2vt(0), f2vt(30), f2vt(0));
PVRTVec3 fParticleVelocityVariability(f2vt(4), f2vt(15), f2vt(4));
VERTTYPE fParticleLifeTime = f2vt(8);
VERTTYPE fParticleLifeTimeVariability = f2vt(1.0);
float fParticleMass = 100;
float fParticleMassVariability = 0;
float fRndFloat;
// Creates the particle position.
PVRTVec3 fPos;
fRndFloat = RandFloat();
fPos.x = fParticleSource.x + VERTTYPEMUL(f2vt(fRndFloat),fParticleSourceVariability.x);
fRndFloat = RandFloat();
fPos.y = fParticleSource.y + VERTTYPEMUL(f2vt(fRndFloat),fParticleSourceVariability.y);
fRndFloat = RandFloat();
fPos.z = fParticleSource.z + VERTTYPEMUL(f2vt(fRndFloat),fParticleSourceVariability.z);
// Creates the particle velocity.
PVRTVec3 fVel;
fRndFloat = RandFloat();
fVel.x = fParticleVelocity.x + VERTTYPEMUL(f2vt(fRndFloat),fParticleVelocityVariability.x);
fRndFloat = RandFloat();
fVel.y = fParticleVelocity.y + VERTTYPEMUL(f2vt(fRndFloat),fParticleVelocityVariability.y);
fRndFloat = RandFloat();
fVel.z = fParticleVelocity.z + VERTTYPEMUL(f2vt(fRndFloat),fParticleVelocityVariability.z);
// Creates the particle lifetime and fMass.
VERTTYPE fLife = fParticleLifeTime + VERTTYPEMUL(f2vt(RandFloat()), fParticleLifeTimeVariability);
float fMass = fParticleMass + RandFloat() * fParticleMassVariability;
// Creates the particle from these characteristics.
*pParticle = CParticle(fPos,fVel,fMass,fLife);
// Creates the particle colors.
PVRTVec3 fParticleInitialColour(f2vt(0.6f*255.0f), f2vt(0.5f*255.0f), f2vt(0.5f*255.0f));
PVRTVec3 fParticleInitialColourVariability(f2vt(0.2f*255.0f), f2vt(0.2f*255.0f), f2vt(0.2f*255.0f));
PVRTVec3 fParticleHalfwayColour(f2vt(1.0f*255.0f), f2vt(0.0f), f2vt(0.0f));
PVRTVec3 fParticleHalfwayColourVariability(f2vt(0.8f*255.0f), f2vt(0.0f), f2vt(0.3f*255.0f));
PVRTVec3 fParticleEndColour(f2vt(0.0f), f2vt(0.0f), f2vt(0.0f));
PVRTVec3 fParticleEndColourVariability(f2vt(0.0f), f2vt(0.0f), f2vt(0.0f));
VERTTYPE fRndValue = f2vt(RandFloat());
pParticle->m_fColour.x = pParticle->m_fInitialColour.x = Clamp(fParticleInitialColour.x + VERTTYPEMUL(fParticleInitialColourVariability.x,fRndValue));
pParticle->m_fColour.y = pParticle->m_fInitialColour.y = Clamp(fParticleInitialColour.y + VERTTYPEMUL(fParticleInitialColourVariability.y,fRndValue));
pParticle->m_fColour.z = pParticle->m_fInitialColour.z = Clamp(fParticleInitialColour.z + VERTTYPEMUL(fParticleInitialColourVariability.z,fRndValue));
fRndFloat = RandFloat();
pParticle->m_fHalfwayColour.x = Clamp(fParticleHalfwayColour.x + VERTTYPEMUL(f2vt(fRndFloat), fParticleHalfwayColourVariability.x));
fRndFloat = RandFloat();
pParticle->m_fHalfwayColour.y = Clamp(fParticleHalfwayColour.y + VERTTYPEMUL(f2vt(fRndFloat), fParticleHalfwayColourVariability.y));
fRndFloat = RandFloat();
pParticle->m_fHalfwayColour.z = Clamp(fParticleHalfwayColour.z + VERTTYPEMUL(f2vt(fRndFloat), fParticleHalfwayColourVariability.z));
fRndFloat = RandFloat();
pParticle->m_fEndColor.x = Clamp(fParticleEndColour.x + VERTTYPEMUL(f2vt(fRndFloat), fParticleEndColourVariability.x));
fRndFloat = RandFloat();
pParticle->m_fEndColor.y = Clamp(fParticleEndColour.y + VERTTYPEMUL(f2vt(fRndFloat), fParticleEndColourVariability.y));
fRndFloat = RandFloat();
pParticle->m_fEndColor.z = Clamp(fParticleEndColour.z + VERTTYPEMUL(f2vt(fRndFloat), fParticleEndColourVariability.z));
// Creates the particle size using a perturbation.
VERTTYPE fParticleSize = f2vt(2.0f);
VERTTYPE fParticleSizeVariation = f2vt(1.5f);
fRndFloat = RandFloat();
pParticle->m_fSize = fParticleSize + VERTTYPEMUL(f2vt(fRndFloat), fParticleSizeVariation);
}
/*******************************************************************************
* Function Name : InitView
* Returns : true if no error occured
* Description : Code in InitView() will be called by the Shell upon a change
* in the rendering context.
* Used to initialize variables that are dependant on the rendering
* context (e.g. textures, vertex buffers, etc.)
*******************************************************************************/
bool OGLESVase::InitView()
{
CPVRTString ErrorStr;
SPVRTContext Context;
// Is the screen rotated?
bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
// Initialize Print3D textures
if(m_Print3D.SetTextures(&Context, PVRShellGet(prefWidth), PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D\n");
return false;
}
// Load textures
if(!LoadTextures(&ErrorStr))
{
PVRShellSet(prefExitMessage, ErrorStr.c_str());
return false;
}
// Initialize VBO data
LoadVbos();
// Initialize Background
if(m_Background.Init(0, bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Background\n");
return false;
}
/*
Build an array to map the textures within the pod file
to the textures we loaded earlier.
*/
m_pui32Textures = new GLuint[m_Scene.nNumMaterial];
for(unsigned int i = 0; i < m_Scene.nNumMaterial; ++i)
{
m_pui32Textures[i] = 0;
SPODMaterial* pMaterial = &m_Scene.pMaterial[i];
if(!strcmp(pMaterial->pszName, "Flora"))
m_pui32Textures[i] = m_uiFloraTex;
else if(!strcmp(pMaterial->pszName, "Reflection"))
m_pui32Textures[i] = m_uiReflectTex;
}
// Calculates the projection matrix
m_mProjection = PVRTMat4::PerspectiveFovRH(f2vt(35.0f*(3.14f/180.0f)), f2vt((float)PVRShellGet(prefWidth)/(float)PVRShellGet(prefHeight)), f2vt(g_fCameraNear), f2vt(g_fCameraFar), PVRTMat4::OGL, bRotate);
// Loads the projection matrix
glMatrixMode(GL_PROJECTION);
myglLoadMatrix(m_mProjection.f);
// Enable texturing
glEnable(GL_TEXTURE_2D);
// Setup clear colour
myglClearColor(f2vt(1.0f),f2vt(1.0f),f2vt(1.0f),f2vt(1.0f));
// Set blend mode
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
return true;
}
/*!****************************************************************************
@Function InitView
@Return bool true if no error occured
@Description Code in InitView() will be called by PVRShell upon
initialization or after a change in the rendering context.
Used to initialize variables that are dependant on the rendering
context (e.g. textures, vertex buffers, etc.)
******************************************************************************/
bool OGLESParticles::InitView()
{
PVRTMat4 mProjection;
SPVRTContext sContext;
bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
// Initialize Print3D textures
if(m_Print3D.SetTextures(&sContext, PVRShellGet(prefWidth), PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D.\n");
return false;
}
// Initialize Extensions
m_Extensions.LoadExtensions();
// Load textures.
if(PVRTTextureLoadFromPVR(c_szLightTexFile, &m_ui32TexName) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot load light texture.\n");
return false;
}
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if(PVRTTextureLoadFromPVR(c_szFloorTexFile, &m_ui32FloorTexName) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot load floor texture.\n");
return false;
}
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if(bRotate)
myglRotate(f2vt(90), f2vt(0), f2vt(0), f2vt(1));
// Creates the projection matrix.
mProjection = PVRTMat4::PerspectiveFovRH(f2vt(45.0f*(PVRT_PIf/180.0f)), f2vt((float)PVRShellGet(prefWidth)/(float)PVRShellGet(prefHeight)), f2vt(10.0f), f2vt(1200.0f), PVRTMat4::OGL);
myglMultMatrix(mProjection.f);
// Calculates the attenuation coefficient for the points drawn.
double H = bRotate ? PVRShellGet(prefWidth) : PVRShellGet(prefHeight);
double h = 2.0 / mProjection.f[5];
double D0 = sqrt(2.0) * H / h;
double k = 1.0/(1.0 + 2.0 * (1 / mProjection.f[5]) * (1 / mProjection.f[5]));
m_fPointAttenuationCoef = (float)(1.0 / (D0 * D0) * k);
// Creates the model view matrix.
m_mView = PVRTMat4::LookAtRH(m_fFrom, m_fTo, g_fUp);
glMatrixMode(GL_MODELVIEW);
myglLoadMatrix(m_mView.f);
/*
Pre-Set TexCoords since they never change.
Pre-Set the Index Buffer.
*/
for(unsigned int i = 0; i < g_ui32MaxParticles; ++i)
{
m_sParticleVTXBuf[i*4+0].u = 0;
m_sParticleVTXBuf[i*4+0].v = 0;
m_sParticleVTXBuf[i*4+1].u = 1;
m_sParticleVTXBuf[i*4+1].v = 0;
m_sParticleVTXBuf[i*4+2].u = 0;
m_sParticleVTXBuf[i*4+2].v = 1;
m_sParticleVTXBuf[i*4+3].u = 1;
m_sParticleVTXBuf[i*4+3].v = 1;
m_ui16ParticleINDXBuf[i*6+0] = (i*4) + 0;
m_ui16ParticleINDXBuf[i*6+1] = (i*4) + 1;
m_ui16ParticleINDXBuf[i*6+2] = (i*4) + 2;
m_ui16ParticleINDXBuf[i*6+3] = (i*4) + 2;
m_ui16ParticleINDXBuf[i*6+4] = (i*4) + 1;
m_ui16ParticleINDXBuf[i*6+5] = (i*4) + 3;
}
// Create vertex buffers.
glGenBuffers(1, &m_i32VertVboID);
glGenBuffers(1, &m_i32ColAVboID);
glGenBuffers(1, &m_i32ColBVboID);
glGenBuffers(1, &m_i32QuadVboID);
// Preset the floor uvs and vertices as they never change.
PVRTVec3 pos(0, 0, 0);
float szby2 = 100;
m_sQuadVTXBuf[0].x = m_fFloorQuadVerts[0] = pos.x - f2vt(szby2);
m_sQuadVTXBuf[0].y = m_fFloorQuadVerts[1] = pos.y;
m_sQuadVTXBuf[0].z = m_fFloorQuadVerts[2] = pos.z - f2vt(szby2);
m_sQuadVTXBuf[1].x = m_fFloorQuadVerts[3] = pos.x + f2vt(szby2);
m_sQuadVTXBuf[1].y = m_fFloorQuadVerts[4] = pos.y;
m_sQuadVTXBuf[1].z = m_fFloorQuadVerts[5] = pos.z - f2vt(szby2);
m_sQuadVTXBuf[2].x = m_fFloorQuadVerts[6] = pos.x - f2vt(szby2);
m_sQuadVTXBuf[2].y = m_fFloorQuadVerts[7] = pos.y;
m_sQuadVTXBuf[2].z = m_fFloorQuadVerts[8] = pos.z + f2vt(szby2);
m_sQuadVTXBuf[3].x = m_fFloorQuadVerts[9] = pos.x + f2vt(szby2);
m_sQuadVTXBuf[3].y = m_fFloorQuadVerts[10] = pos.y;
m_sQuadVTXBuf[3].z = m_fFloorQuadVerts[11] = pos.z + f2vt(szby2);
m_fFloorQuadUVs[0] = f2vt(0);
m_fFloorQuadUVs[1] = f2vt(0);
m_sQuadVTXBuf[0].u = 0;
m_sQuadVTXBuf[0].v = 0;
m_fFloorQuadUVs[2] = f2vt(1);
m_fFloorQuadUVs[3] = f2vt(0);
m_sQuadVTXBuf[1].u = 255;
m_sQuadVTXBuf[1].v = 0;
m_fFloorQuadUVs[4] = f2vt(0);
m_fFloorQuadUVs[5] = f2vt(1);
m_sQuadVTXBuf[2].u = 0;
m_sQuadVTXBuf[2].v = 255;
m_fFloorQuadUVs[6] = f2vt(1);
m_fFloorQuadUVs[7] = f2vt(1);
m_sQuadVTXBuf[3].u = 255;
m_sQuadVTXBuf[3].v = 255;
glBindBuffer(GL_ARRAY_BUFFER, m_i32QuadVboID);
glBufferData(GL_ARRAY_BUFFER, sizeof(SVtx) * 4, m_sQuadVTXBuf, GL_STATIC_DRAW);
return true;
}
/*!****************************************************************************
@Function RenderScene
@Return bool true if no error occured
@Description Main rendering loop function of the program. The shell will
call this function every frame.
eglSwapBuffers() will be performed by PVRShell automatically.
PVRShell will also manage important OS events.
Will also manage relevent OS events. The user has access to
these events through an abstraction layer provided by PVRShell.
******************************************************************************/
bool OGLESParticles::RenderScene()
{
int i;
PVRTMat4 mRotY;
// Clear colour and depth buffers
myglClearColor(f2vt(0.0f), f2vt(0.0f), f2vt(0.0f), f2vt(1.0f));
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Enables depth testing
glEnable(GL_DEPTH_TEST);
// Modify per-frame variables controlling the particle mouvements.
float fSpeedCtrl = (float) (PVRTFSIN(m_fRot*0.01f)+1.0f)/2.0f;
float fStopNo = 0.8f;
float fStep = 0.1f;
if(fSpeedCtrl > fStopNo)
fStep = 0.0f;
// Generate particles as needed.
if((m_i32NumParticles < (int) g_ui32MaxParticles) && (fSpeedCtrl <= fStopNo))
{
int num_to_gen = (int) (RandPositiveFloat()*(g_ui32MaxParticles/100.0));
if(num_to_gen == 0)
num_to_gen = 1;
for(i = 0; (i < num_to_gen) && (m_i32NumParticles < (int) g_ui32MaxParticles); ++i)
SpawnParticle(&m_Particles[m_i32NumParticles++]);
}
// Build rotation matrix around axis Y.
mRotY = PVRTMat4::RotationY(f2vt((m_fRot2*PVRT_PIf)/180.0f));
for(i = 0; i < m_i32NumParticles; ++i)
{
// Transform particle with rotation matrix
m_sParticleVTXPSBuf[i].x = VERTTYPEMUL(mRotY.f[ 0], m_Particles[i].m_fPosition.x) +
VERTTYPEMUL(mRotY.f[ 4], m_Particles[i].m_fPosition.y) +
VERTTYPEMUL(mRotY.f[ 8], m_Particles[i].m_fPosition.z) +
mRotY.f[12];
m_sParticleVTXPSBuf[i].y = VERTTYPEMUL(mRotY.f[ 1], m_Particles[i].m_fPosition.x) +
VERTTYPEMUL(mRotY.f[ 5], m_Particles[i].m_fPosition.y) +
VERTTYPEMUL(mRotY.f[ 9], m_Particles[i].m_fPosition.z) +
mRotY.f[13];
m_sParticleVTXPSBuf[i].z = VERTTYPEMUL(mRotY.f[ 2], m_Particles[i].m_fPosition.x) +
VERTTYPEMUL(mRotY.f[ 6], m_Particles[i].m_fPosition.y) +
VERTTYPEMUL(mRotY.f[10], m_Particles[i].m_fPosition.z) +
mRotY.f[14];
m_sParticleVTXPSBuf[i].fSize = m_Particles[i].m_fSize;
m_sNormalColour[i].r = vt2b(m_Particles[i].m_fColour.x);
m_sNormalColour[i].g = vt2b(m_Particles[i].m_fColour.y);
m_sNormalColour[i].b = vt2b(m_Particles[i].m_fColour.z);
m_sNormalColour[i].a = (unsigned char)255;
m_sReflectColour[i].r = vt2b(VERTTYPEMUL(m_Particles[i].m_fColour.x, g_fFactor));
m_sReflectColour[i].g = vt2b(VERTTYPEMUL(m_Particles[i].m_fColour.y, g_fFactor));
m_sReflectColour[i].b = vt2b(VERTTYPEMUL(m_Particles[i].m_fColour.z, g_fFactor));
m_sReflectColour[i].a = (unsigned char)255;
}
glBindBuffer(GL_ARRAY_BUFFER, m_i32VertVboID);
glBufferData(GL_ARRAY_BUFFER, sizeof(SVtxPointSprite)*m_i32NumParticles, m_sParticleVTXPSBuf,GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, m_i32ColAVboID);
glBufferData(GL_ARRAY_BUFFER, sizeof(SColors)*m_i32NumParticles, m_sNormalColour,GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, m_i32ColBVboID);
glBufferData(GL_ARRAY_BUFFER, sizeof(SColors)*m_i32NumParticles, m_sReflectColour,GL_DYNAMIC_DRAW);
// clean up render states
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
// Draw floor.
// Save modelview matrix
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
myglRotate(f2vt(-m_fRot), f2vt(0.0f), f2vt(1.0f), f2vt(0.0f));
// setup render states
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
// Set texture and texture environment
glBindTexture(GL_TEXTURE_2D, m_ui32FloorTexName);
glBlendFunc(GL_ONE, GL_ONE);
// Render floor
RenderFloor();
// clean up render states
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glPopMatrix();
// Render particles reflections.
// set up render states
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glDepthFunc(GL_ALWAYS);
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
myglTexEnv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, m_ui32TexName);
// Set model view matrix
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
myglScale(f2vt(1.0f), f2vt(-1.0f), f2vt(1.0f));
myglTranslate(f2vt(0.0f), f2vt(0.01f), f2vt(0.0f));
glEnable(GL_POINT_SPRITE_OES);
if(((int)(m_i32NumParticles * 0.5f)) > 0)
RenderParticle(((int)(m_i32NumParticles*0.5f)),true);
glPopMatrix();
// Render particles.
// Sets the model view matrix
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
if(m_i32NumParticles > 0)
RenderParticle(m_i32NumParticles,false);
glPopMatrix();
glDisable(GL_POINT_SPRITE_OES);
PVRTVec3 Force = PVRTVec3(f2vt(0.0f), f2vt(0.0f), f2vt(0.0f));
Force.x = f2vt(1000.0f*(float)PVRTFSIN(m_fRot*0.01f));
for(i = 0; i < m_i32NumParticles; ++i)
{
/*
Move the particle.
If the particle exceeds its lifetime, create a new one in its place.
*/
if(m_Particles[i].Step(f2vt(fStep), Force))
SpawnParticle(&m_Particles[i]);
}
// clean up render states
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
// Increase rotation angles
m_fRot += 1;
m_fRot2 = m_fRot + 36;
// Unbinds the vertex buffer if we are using OpenGL ES 1.1
glBindBuffer(GL_ARRAY_BUFFER, 0);
// Display info text.
m_Print3D.DisplayDefaultTitle("Particles", "Using point sprites", ePVRTPrint3DSDKLogo);
m_Print3D.Flush();
return true;
}
#include "Particle.h"
/******************************************************************************
Content file names
******************************************************************************/
// PVR texture files
const char c_szLightTexFile[] = "LightTex.pvr";
const char c_szFloorTexFile[] = "FloorTex8.pvr";
/******************************************************************************
Defines
******************************************************************************/
const unsigned int g_ui32MaxParticles = 600; // Maximum number of m_Particles
const VERTTYPE g_fFactor = f2vt(0.25f); // Brightness of the reflected m_Particles
const PVRTVec3 g_fUp(f2vt(0.0f), f2vt(1.0f), f2vt(0.0f)); // Up direction. Used for creating the camera
/******************************************************************************
Structure definitions
******************************************************************************/
struct SVtx
{
VERTTYPE x, y, z; // Position
unsigned char u, v; // TexCoord
};
struct SVtxPointSprite
{
VERTTYPE x, y, z, fSize;
/*!***************************************************************************
@Function PVRTCreateSkybox
@Input scale Scale the skybox
@Input adjustUV Adjust or not UVs for PVRT compression
@Input textureSize Texture size in pixels
@Output Vertices Array of vertices
@Output UVs Array of UVs
@Description Creates the vertices and texture coordinates for a skybox
*****************************************************************************/
void PVRTCreateSkybox(float scale, bool adjustUV, int textureSize, VERTTYPE** Vertices, VERTTYPE** UVs)
{
*Vertices = new VERTTYPE[24*3];
*UVs = new VERTTYPE[24*2];
VERTTYPE unit = f2vt(1);
VERTTYPE a0 = 0, a1 = unit;
if (adjustUV)
{
VERTTYPE oneover = f2vt(1.0f / textureSize);
a0 = VERTTYPEMUL(f2vt(4.0f), oneover);
a1 = unit - a0;
}
// Front
SetVertex(Vertices, 0, -unit, +unit, -unit);
SetVertex(Vertices, 1, +unit, +unit, -unit);
SetVertex(Vertices, 2, -unit, -unit, -unit);
SetVertex(Vertices, 3, +unit, -unit, -unit);
SetUV(UVs, 0, a0, a1);
SetUV(UVs, 1, a1, a1);
SetUV(UVs, 2, a0, a0);
SetUV(UVs, 3, a1, a0);
// Right
SetVertex(Vertices, 4, +unit, +unit, -unit);
SetVertex(Vertices, 5, +unit, +unit, +unit);
SetVertex(Vertices, 6, +unit, -unit, -unit);
SetVertex(Vertices, 7, +unit, -unit, +unit);
SetUV(UVs, 4, a0, a1);
SetUV(UVs, 5, a1, a1);
SetUV(UVs, 6, a0, a0);
SetUV(UVs, 7, a1, a0);
// Back
SetVertex(Vertices, 8 , +unit, +unit, +unit);
SetVertex(Vertices, 9 , -unit, +unit, +unit);
SetVertex(Vertices, 10, +unit, -unit, +unit);
SetVertex(Vertices, 11, -unit, -unit, +unit);
SetUV(UVs, 8 , a0, a1);
SetUV(UVs, 9 , a1, a1);
SetUV(UVs, 10, a0, a0);
SetUV(UVs, 11, a1, a0);
// Left
SetVertex(Vertices, 12, -unit, +unit, +unit);
SetVertex(Vertices, 13, -unit, +unit, -unit);
SetVertex(Vertices, 14, -unit, -unit, +unit);
SetVertex(Vertices, 15, -unit, -unit, -unit);
SetUV(UVs, 12, a0, a1);
SetUV(UVs, 13, a1, a1);
SetUV(UVs, 14, a0, a0);
SetUV(UVs, 15, a1, a0);
// Top
SetVertex(Vertices, 16, -unit, +unit, +unit);
SetVertex(Vertices, 17, +unit, +unit, +unit);
SetVertex(Vertices, 18, -unit, +unit, -unit);
SetVertex(Vertices, 19, +unit, +unit, -unit);
SetUV(UVs, 16, a0, a1);
SetUV(UVs, 17, a1, a1);
SetUV(UVs, 18, a0, a0);
SetUV(UVs, 19, a1, a0);
// Bottom
SetVertex(Vertices, 20, -unit, -unit, -unit);
SetVertex(Vertices, 21, +unit, -unit, -unit);
SetVertex(Vertices, 22, -unit, -unit, +unit);
SetVertex(Vertices, 23, +unit, -unit, +unit);
SetUV(UVs, 20, a0, a1);
SetUV(UVs, 21, a1, a1);
SetUV(UVs, 22, a0, a0);
SetUV(UVs, 23, a1, a0);
for (int i=0; i<24*3; i++) (*Vertices)[i] = VERTTYPEMUL((*Vertices)[i], f2vt(scale));
}
void UniformHandler::CalculateMeshUniform(const Uniform& sUniform, SPODMesh *pMesh, SPODNode *pNode)
{
switch(sUniform.getSemantic())
{
case eUsPosition:
{
glVertexAttribPointer(sUniform.getLocation(), 3, GL_FLOAT, GL_FALSE, pMesh->sVertex.nStride, pMesh->sVertex.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsNormal:
{
glVertexAttribPointer(sUniform.getLocation(), 3, GL_FLOAT, GL_FALSE, pMesh->sNormals.nStride, pMesh->sNormals.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsTangent:
{
glVertexAttribPointer(sUniform.getLocation(), 3, GL_FLOAT, GL_FALSE, pMesh->sTangents.nStride, pMesh->sTangents.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsBinormal:
{
glVertexAttribPointer(sUniform.getLocation(), 2, GL_FLOAT, GL_FALSE, pMesh->sBinormals.nStride, pMesh->sBinormals.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsUV:
{
glVertexAttribPointer(sUniform.getLocation(), 2, GL_FLOAT, GL_FALSE, pMesh->psUVW[0].nStride, pMesh->psUVW[0].pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsBoneIndex:
{
glVertexAttribPointer(sUniform.getLocation(), pMesh->sBoneIdx.n, GL_UNSIGNED_BYTE, GL_FALSE, pMesh->sBoneIdx.nStride, pMesh->sBoneIdx.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsBoneWeight:
{
glVertexAttribPointer(sUniform.getLocation(), pMesh->sBoneWeight.n, GL_FLOAT, GL_FALSE, pMesh->sBoneWeight.nStride, pMesh->sBoneWeight.pData);
glEnableVertexAttribArray(sUniform.getLocation());
}
break;
case eUsWORLD:
{
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, m_mWorld.f);
}
break;
case eUsWORLDI:
{
PVRTMat4 mWorldI;
mWorldI = m_mWorld.inverse();
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, mWorldI.f);
}
break;
case eUsWORLDIT:
{
PVRTMat3 mWorldIT;
mWorldIT = m_mWorld.inverse().transpose();
glUniformMatrix3fv(sUniform.getLocation(), 1, GL_FALSE, mWorldIT.f);
}
break;
case eUsWORLDVIEW:
{
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, m_mWorldView.f);
}
break;
case eUsWORLDVIEWI:
{
PVRTMat4 mWorldViewI;
mWorldViewI = m_mWorldView.inverse();
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, mWorldViewI.f);
}
break;
case eUsWORLDVIEWIT:
{
PVRTMat3 mWorldViewIT;
mWorldViewIT = m_mWorldView.inverse().transpose();
glUniformMatrix3fv(sUniform.getLocation(), 1, GL_FALSE, mWorldViewIT.f);
}
break;
case eUsWORLDVIEWPROJECTION:
{
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, m_mWorldViewProjection.f);
}
break;
case eUsWORLDVIEWPROJECTIONI:
{
PVRTMat4 mWorldViewProjectionI = (m_mProjection * m_mWorldView ).inverse();
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, mWorldViewProjectionI.f);
}
break;
case eUsWORLDVIEWPROJECTIONIT:
{
PVRTMat3 mWorldViewProjectionIT = (m_mProjection * m_mWorldView).inverse().transpose();
glUniformMatrix3fv(sUniform.getLocation(), 1, GL_FALSE, mWorldViewProjectionIT.f);
}
break;
case eUsLIGHTPOSMODEL:
{
// Passes the light position in eye space to the shader
Light* pLight = m_pLightManager->get(sUniform.getIdx());
switch(pLight->getType())
{
case eLightTypePoint:
{
PVRTVec4 vLightPosModel = m_mWorld.inverse() * ((LightPoint*)pLight)->getPositionPVRTVec4() ;
glUniform3f(sUniform.getLocation(),
vLightPosModel.x,
vLightPosModel.y,
vLightPosModel.z);
}
break;
case eLightTypePODPoint:
{
PVRTVec4 vLightPosModel = m_mWorld.inverse() * ((LightPODPoint*)pLight)->getPositionPVRTVec4() ;
glUniform3f(sUniform.getLocation(),
vLightPosModel.x,
vLightPosModel.y,
vLightPosModel.z);
}
break;
default:
{ // hack for directional lights
// take the light direction and multiply it by a really big negative number
// if you hit this code then the types of your lights do not match the types expected by your shaders
PVRTVec4 vLightPosModel = (((LightDirectional*)pLight)->getDirectionPVRTVec4()*c_fFarDistance) ;
vLightPosModel.w = f2vt(1.0f);
vLightPosModel = m_mWorld * vLightPosModel;
glUniform3f(sUniform.getLocation(),
vLightPosModel.x,
vLightPosModel.y,
vLightPosModel.z);
}
}
}
break;
case eUsOBJECT:
{
// Scale
PVRTMat4 mObject = m_psScene->GetScalingMatrix(*pNode);
// Rotation
mObject = m_psScene->GetRotationMatrix(*pNode) * mObject;
// Translation
mObject = m_psScene->GetTranslationMatrix(*pNode) * mObject;
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, mObject.f);
}
break;
case eUsOBJECTI:
{
if(!getFlag(eUsOBJECT))
{
// Scale
m_mObject = m_psScene->GetScalingMatrix(*pNode);
// Rotation
m_mObject = m_psScene->GetRotationMatrix(*pNode) * m_mObject;
// Translation
m_mObject = (m_psScene->GetTranslationMatrix(*pNode) * m_mObject);
setFlag(eUsOBJECT);
}
m_mObjectI = m_mObject.inverse();
glUniformMatrix4fv(sUniform.getLocation(), 1, GL_FALSE, m_mObjectI.f);
}
break;
case eUsOBJECTIT:
{
if(!getFlag(eUsOBJECTI))
{
if(!getFlag(eUsOBJECT))
{
// Scale
m_mObject = m_psScene->GetScalingMatrix(*pNode);
// Rotation
m_mObject = m_psScene->GetRotationMatrix(*pNode) * m_mObject;
// Translation
m_mObject = (m_psScene->GetTranslationMatrix(*pNode) * m_mObject);
setFlag(eUsOBJECT);
}
m_mObjectI = m_mObject.inverse();
setFlag(eUsOBJECTI);
}
m_mObjectIT = PVRTMat3(m_mObjectI).transpose();
glUniformMatrix3fv(sUniform.getLocation(), 1, GL_FALSE, m_mObjectIT.f);
}
break;
case eUsLIGHTDIRMODEL:
{
Light* pLight = m_pLightManager->get(sUniform.getIdx());
switch(pLight->getType())
{
case eLightTypeDirectional:
{
// Passes the light direction in model space to the shader
PVRTVec4 vLightDirectionModel,
vLightDirection =((LightDirectional*)pLight)->getDirectionPVRTVec4();
vLightDirectionModel = m_mWorld.inverse() * vLightDirection ;
glUniform3f(sUniform.getLocation(), vLightDirectionModel.x, vLightDirectionModel.y, vLightDirectionModel.z);
}
case eLightTypePODDirectional:
{
// Passes the light direction in model space to the shader
PVRTVec4 vLightDirectionModel,
vLightDirection =((LightPODDirectional*)pLight)->getDirectionPVRTVec4();
vLightDirectionModel = m_mWorld.inverse() * vLightDirection ;
glUniform3f(sUniform.getLocation(), vLightDirectionModel.x, vLightDirectionModel.y, vLightDirectionModel.z);
}
default:
{ // could mimic point lights
// calculate vector between light position and mesh
// implemented by getting hold of the nice centre point I calculated for all these meshes and using this point
}
}
}
break;
case eUsEYEPOSMODEL:
{
m_vEyePositionModel = m_mWorld.inverse() * PVRTVec4(m_vEyePositionWorld,VERTTYPE(1.0f));
glUniform3f(sUniform.getLocation(), m_vEyePositionModel.x, m_vEyePositionModel.y, m_vEyePositionModel.z);
}
break;
default:
{ // something went wrong
ConsoleLog::inst().log("Error: non-mesh uniform being interpreted as mesh uniform\n");
return;
}
}
}
/*!***************************************************************************
@Function PVRTLinearEqSolve
@Input pSrc 2D array of floats. 4 Eq linear problem is 5x4
matrix, constants in first column
@Input nCnt Number of equations to solve
@Output pRes Result
@Description Solves 'nCnt' simultaneous equations of 'nCnt' variables.
pRes should be an array large enough to contain the
results: the values of the 'nCnt' variables.
This fn recursively uses Gaussian Elimination.
*****************************************************************************/
void PVRTLinearEqSolve(VERTTYPE * const pRes, VERTTYPE ** const pSrc, const int nCnt)
{
int i, j, k;
VERTTYPE f;
if (nCnt == 1)
{
_ASSERT(pSrc[0][1] != 0);
pRes[0] = VERTTYPEDIV(pSrc[0][0], pSrc[0][1]);
return;
}
// Loop backwards in an attempt avoid the need to swap rows
i = nCnt;
while(i)
{
--i;
if(pSrc[i][nCnt] != f2vt(0.0f))
{
// Row i can be used to zero the other rows; let's move it to the bottom
if(i != (nCnt-1))
{
for(j = 0; j <= nCnt; ++j)
{
// Swap the two values
f = pSrc[nCnt-1][j];
pSrc[nCnt-1][j] = pSrc[i][j];
pSrc[i][j] = f;
}
}
// Now zero the last columns of the top rows
for(j = 0; j < (nCnt-1); ++j)
{
_ASSERT(pSrc[nCnt-1][nCnt] != f2vt(0.0f));
f = VERTTYPEDIV(pSrc[j][nCnt], pSrc[nCnt-1][nCnt]);
// No need to actually calculate a zero for the final column
for(k = 0; k < nCnt; ++k)
{
pSrc[j][k] -= VERTTYPEMUL(f, pSrc[nCnt-1][k]);
}
}
break;
}
}
// Solve the top-left sub matrix
PVRTLinearEqSolve(pRes, pSrc, nCnt - 1);
// Now calc the solution for the bottom row
f = pSrc[nCnt-1][0];
for(k = 1; k < nCnt; ++k)
{
f -= VERTTYPEMUL(pSrc[nCnt-1][k], pRes[k-1]);
}
_ASSERT(pSrc[nCnt-1][nCnt] != f2vt(0));
f = VERTTYPEDIV(f, pSrc[nCnt-1][nCnt]);
pRes[nCnt-1] = f;
}
/*******************************************************************************
* Function Name : DrawDualTexQuad
* Input : Size, (x,y,z) and texture pntr
* Description : Basic Draw Dual Textured Quad with Size in Location X, Y, Z.
*******************************************************************************/
void OGLESEvilSkull::DrawDualTexQuad(float x, float y, float z, float Size, GLuint ui32Texture1, GLuint ui32Texture2)
{
// Set Texture and Texture Options
glBindTexture(GL_TEXTURE_2D, ui32Texture1);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, ui32Texture2);
glEnable(GL_TEXTURE_2D);
// Vertex Data
VERTTYPE verts[] = { f2vt(x+Size), f2vt(y-Size), f2vt(z),
f2vt(x+Size), f2vt(y+Size), f2vt(z),
f2vt(x-Size), f2vt(y-Size), f2vt(z),
f2vt(x-Size), f2vt(y+Size), f2vt(z)
};
VERTTYPE texcoords[] = { f2vt(0.0f), f2vt(1.0f),
f2vt(0.0f), f2vt(0.0f),
f2vt(1.0f), f2vt(1.0f),
f2vt(1.0f), f2vt(0.0f)
};
// Set Arrays - Only need Vertex Array and Tex Coord Arrays
glVertexPointer(3,VERTTYPEENUM,0,verts);
glClientActiveTexture(GL_TEXTURE0);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2,VERTTYPEENUM,0,texcoords);
glClientActiveTexture(GL_TEXTURE1);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2,VERTTYPEENUM,0,texcoords);
// Draw Strip
glDrawArrays(GL_TRIANGLE_STRIP,0,4);
// Disable Arrays
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTexture(GL_TEXTURE0);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
}
/*******************************************************************************
* Function Name : RenderScene
* Returns : true if no error occured
* Description : Main rendering loop function of the program. The shell will
* call this function every frame.
*******************************************************************************/
bool OGLESVase::RenderScene()
{
PVRTMat4 RotationMatrix, RotateX, RotateY;
// Increase rotation angles
m_fAngleX += VERTTYPEDIV(PVRT_PI, f2vt(100.0f));
m_fAngleY += VERTTYPEDIV(PVRT_PI, f2vt(150.0f));
if(m_fAngleX >= PVRT_PI)
m_fAngleX -= PVRT_TWO_PI;
if(m_fAngleY >= PVRT_PI)
m_fAngleY -= PVRT_TWO_PI;
// Clear the buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Setup the vase rotation
// Calculate rotation matrix
RotateX = PVRTMat4::RotationX(m_fAngleX);
RotateY = PVRTMat4::RotationY(m_fAngleY);
RotationMatrix = RotateY * RotateX;
// Modelview matrix
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
myglTranslate(f2vt(0.0f), f2vt(0.0f), f2vt(-200.0f));
myglMultMatrix(RotationMatrix.f);
// Draw the scene
// Use PVRTools to draw a background image
m_Background.Draw(m_uiBackTex);
// Enable client states
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Enable depth test
glEnable(GL_DEPTH_TEST);
// Draw vase outer
glBindTexture(GL_TEXTURE_2D, m_pui32Textures[m_Scene.pNode[eVase].nIdxMaterial]);
DrawReflectiveMesh(m_Scene.pNode[eVase].nIdx, &RotationMatrix);
// Draw glass
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, m_pui32Textures[m_Scene.pNode[eGlass].nIdxMaterial]);
// Pass 1: only render back faces (model has reverse winding)
glFrontFace(GL_CW);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
DrawMesh(m_Scene.pNode[eGlass].nIdx);
// Pass 2: only render front faces (model has reverse winding)
glCullFace(GL_FRONT);
DrawMesh(m_Scene.pNode[eGlass].nIdx);
// Disable blending as it isn't needed
glDisable(GL_BLEND);
// Disable client states
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
// Display info text
m_Print3D.DisplayDefaultTitle("Vase", "Translucency and reflections.", ePVRTPrint3DSDKLogo);
m_Print3D.Flush();
return true;
}
/*!****************************************************************************
@Function RenderScene
@Return bool true if no error occured
@Description Main rendering loop function of the program. The shell will
call this function every frame.
eglSwapBuffers() will be performed by PVRShell automatically.
PVRShell will also manage important OS events.
Will also manage relevent OS events. The user has access to
these events through an abstraction layer provided by PVRShell.
******************************************************************************/
bool OGLESEvilSkull::RenderScene()
{
unsigned int i;
float fCurrentfJawRotation, fCurrentfBackRotation;
float fFactor, fInvFactor;
// Update Skull Weights and Rotations using Animation Info
if(m_i32Frame > g_fExprTime)
{
m_i32Frame = 0;
m_i32BaseAnim = m_i32TargetAnim;
++m_i32TargetAnim;
if(m_i32TargetAnim > 6)
{
m_i32TargetAnim = 0;
}
}
fFactor = float(m_i32Frame) / g_fExprTime;
fInvFactor = 1.0f - fFactor;
m_fSkullWeights[0] = (m_fExprTable[0][m_i32BaseAnim] * fInvFactor) + (m_fExprTable[0][m_i32TargetAnim] * fFactor);
m_fSkullWeights[1] = (m_fExprTable[1][m_i32BaseAnim] * fInvFactor) + (m_fExprTable[1][m_i32TargetAnim] * fFactor);
m_fSkullWeights[2] = (m_fExprTable[2][m_i32BaseAnim] * fInvFactor) + (m_fExprTable[2][m_i32TargetAnim] * fFactor);
m_fSkullWeights[3] = (m_fExprTable[3][m_i32BaseAnim] * fInvFactor) + (m_fExprTable[3][m_i32TargetAnim] * fFactor);
fCurrentfJawRotation = m_fJawRotation[m_i32BaseAnim] * fInvFactor + (m_fJawRotation[m_i32TargetAnim] * fFactor);
fCurrentfBackRotation = m_fBackRotation[m_i32BaseAnim] * fInvFactor + (m_fBackRotation[m_i32TargetAnim] * fFactor);
// Update Base Animation Value - FrameBased Animation for now
++m_i32Frame;
// Update Skull Vertex Data using Animation Params
for(i = 0; i < m_Scene.pMesh[eSkull].nNumVertex * 3; ++i)
{
m_pMorphedVertices[i]= f2vt(m_pAVGVertices[i] + (m_pDiffVertices[0][i] * m_fSkullWeights[0]) \
+ (m_pDiffVertices[1][i] * m_fSkullWeights[1]) \
+ (m_pDiffVertices[2][i] * m_fSkullWeights[2]) \
+ (m_pDiffVertices[3][i] * m_fSkullWeights[3]));
}
// Buffer Clear
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Render Skull and Jaw Opaque with Lighting
glDisable(GL_BLEND); // Opaque = No Blending
glEnable(GL_LIGHTING); // Lighting On
// Set skull and jaw texture
glBindTexture(GL_TEXTURE_2D, m_ui32Texture[1]);
// Enable and set vertices, normals and index data
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Render Animated Jaw - Rotation Only
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
myglMultMatrix(m_mView.f);
myglTranslate(f2vt(0),f2vt(-50.0f),f2vt(-50.0f));
myglRotate(f2vt(-fCurrentfJawRotation), f2vt(1.0f), f2vt(0.0f), f2vt(0.0f));
myglRotate(f2vt(fCurrentfJawRotation) - f2vt(30.0f), f2vt(0), f2vt(1.0f), f2vt(-1.0f));
RenderJaw();
glPopMatrix();
// Render Morphed Skull
glPushMatrix();
myglRotate(f2vt(fCurrentfJawRotation) - f2vt(30.0f), f2vt(0), f2vt(1.0f), f2vt(-1.0f));
RenderSkull();
// Render Eyes and Background with Alpha Blending and No Lighting
glEnable(GL_BLEND); // Enable Alpha Blending
glDisable(GL_LIGHTING); // Disable Lighting
// Disable the normals as they aren't needed anymore
glDisableClientState(GL_NORMAL_ARRAY);
// Render Eyes using Skull Model Matrix
DrawQuad(-30.0f ,0.0f ,50.0f ,20.0f , m_ui32Texture[0]);
DrawQuad( 33.0f ,0.0f ,50.0f ,20.0f , m_ui32Texture[0]);
glPopMatrix();
// Render Dual Texture Background with different base color, rotation, and texture rotation
glPushMatrix();
glDisable(GL_BLEND); // Disable Alpha Blending
myglColor4(f2vt(0.7f+0.3f*((m_fSkullWeights[0]))), f2vt(0.7f), f2vt(0.7f), f2vt(1.0f)); // Animated Base Color
myglTranslate(f2vt(10.0f), f2vt(-50.0f), f2vt(0.0f));
myglRotate(f2vt(fCurrentfBackRotation*4.0f),f2vt(0),f2vt(0),f2vt(-1.0f)); // Rotation of Quad
// Animated Texture Matrix
glActiveTexture(GL_TEXTURE0);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
myglTranslate(f2vt(-0.5f), f2vt(-0.5f), f2vt(0.0f));
myglRotate(f2vt(fCurrentfBackRotation*-8.0f), f2vt(0), f2vt(0), f2vt(-1.0f));
myglTranslate(f2vt(-0.5f), f2vt(-0.5f), f2vt(0.0f));
// Draw Geometry
DrawDualTexQuad (0.0f ,0.0f ,-100.0f ,300.0f, m_ui32Texture[3], m_ui32Texture[2]);
// Disable Animated Texture Matrix
glActiveTexture(GL_TEXTURE0);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
// Make sure to disable the arrays
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// Reset Colour
myglColor4(f2vt(1.0f), f2vt(1.0f), f2vt(1.0f), f2vt(1.0f));
// Display info text
m_Print3D.DisplayDefaultTitle("EvilSkull", "Morphing.", ePVRTPrint3DSDKLogo);
m_Print3D.Flush();
return true;
}
/*!****************************************************************************
@Function InitView
@Return bool true if no error occured
@Description Code in InitView() will be called by PVRShell upon
initialization or after a change in the rendering context.
Used to initialize variables that are dependant on the rendering
context (e.g. textures, vertex buffers, etc.)
******************************************************************************/
bool OGLESEvilSkull::InitView()
{
PVRTMat4 mPerspective;
SPVRTContext sContext;
// Initialize Print3D textures
bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
if(m_Print3D.SetTextures(&sContext, PVRShellGet(prefWidth), PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D\n");
return false;
}
/***********************
** LOAD TEXTURES **
***********************/
if(PVRTTextureLoadFromPVR(c_szIrisTexFile, &m_ui32Texture[0]) != PVR_SUCCESS)
return false;
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if(PVRTTextureLoadFromPVR(c_szMetalTexFile, &m_ui32Texture[1]) != PVR_SUCCESS)
return false;
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if(PVRTTextureLoadFromPVR(c_szFire02TexFile, &m_ui32Texture[2]) != PVR_SUCCESS)
return false;
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if(PVRTTextureLoadFromPVR(c_szFire03TexFile, &m_ui32Texture[3]) != PVR_SUCCESS)
return false;
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
myglTexParameter(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
/******************************
** GENERIC RENDER STATES **
*******************************/
// The Type Of Depth Test To Do
glDepthFunc(GL_LEQUAL);
// Enables Depth Testing
glEnable(GL_DEPTH_TEST);
// Enables Smooth Color Shading
glShadeModel(GL_SMOOTH);
// Blending mode
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Culling
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
// Create perspective matrix
mPerspective = PVRTMat4::PerspectiveFovRH(f2vt(70.0f*(3.14f/180.0f)), f2vt((float)PVRShellGet(prefWidth) /(float)PVRShellGet(prefHeight) ), f2vt(10.0f), f2vt(10000.0f), PVRTMat4::OGL, bRotate);
glMatrixMode(GL_PROJECTION);
myglLoadMatrix(mPerspective.f);
// Create viewing matrix
m_mView = PVRTMat4::LookAtRH(m_CameraPos, m_CameraTo, m_CameraUp);
glMatrixMode(GL_MODELVIEW);
myglLoadMatrix(m_mView.f);
// Enable texturing
glEnable(GL_TEXTURE_2D);
// Lights (only one side lighting)
glEnable(GL_LIGHTING);
// Light 0 (White directional light)
PVRTVec4 fAmbient = PVRTVec4(f2vt(0.2f), f2vt(0.2f), f2vt(0.2f), f2vt(1.0f));
PVRTVec4 fDiffuse = PVRTVec4(f2vt(1.0f), f2vt(1.0f), f2vt(1.0f), f2vt(1.0f));
PVRTVec4 fSpecular = PVRTVec4(f2vt(1.0f), f2vt(1.0f), f2vt(1.0f), f2vt(1.0f));
myglLightv(GL_LIGHT0, GL_AMBIENT, fAmbient.ptr());
myglLightv(GL_LIGHT0, GL_DIFFUSE, fDiffuse.ptr());
myglLightv(GL_LIGHT0, GL_SPECULAR, fSpecular.ptr());
myglLightv(GL_LIGHT0, GL_POSITION, m_LightPos.ptr());
glEnable(GL_LIGHT0);
glDisable(GL_LIGHTING);
// Create the data used for the morphing
CreateMorphData();
// Sets the clear color
myglClearColor(f2vt(0.0f), f2vt(0.0f), f2vt(0.0f), f2vt(1.0f));
// Create vertex buffer objects
LoadVbos();
return true;
}
OGLESEvilSkull() : m_puiVbo(0),
m_puiIndexVbo(0),
m_pMorphedVertices(0),
m_pAVGVertices(0),
m_i32BaseAnim(0),
m_i32TargetAnim(1),
m_i32Frame(0)
{
for(unsigned int i = 0; i < g_ui32NoOfMorphTargets; ++i)
m_pDiffVertices[i] = 0;
// Setup base constants in contructor
// Camera and Light details
m_LightPos = PVRTVec4(f2vt(-1.0f), f2vt(1.0f), f2vt(1.0f), f2vt(0.0f));
m_CameraPos = PVRTVec3(f2vt(0.0f), f2vt(0.0f), f2vt(300.0f));
m_CameraTo = PVRTVec3(f2vt(0.0f), f2vt(-30.0f), f2vt(0.0f));
m_CameraUp = PVRTVec3(f2vt(0.0f), f2vt(1.0f), f2vt(0.0f));
// Animation Table
m_fSkullWeights[0] = 0.0f;
m_fSkullWeights[1] = 1.0f;
m_fSkullWeights[2] = 0.0f;
m_fSkullWeights[3] = 0.0f;
m_fSkullWeights[4] = 0.0f;
m_fExprTable[0][0] = 1.0f; m_fExprTable[1][0] = 1.0f; m_fExprTable[2][0] = 1.0f; m_fExprTable[3][0] = 1.0f;
m_fExprTable[0][1] = 0.0f; m_fExprTable[1][1] = 0.0f; m_fExprTable[2][1] = 0.0f; m_fExprTable[3][1] = 1.0f;
m_fExprTable[0][2] = 0.0f; m_fExprTable[1][2] = 0.0f; m_fExprTable[2][2] = 1.0f; m_fExprTable[3][2] = 1.0f;
m_fExprTable[0][3] = 0.3f; m_fExprTable[1][3] = 0.0f; m_fExprTable[2][3] = 0.3f; m_fExprTable[3][3] = 0.0f;
m_fExprTable[0][4] =-1.0f; m_fExprTable[1][4] = 0.0f; m_fExprTable[2][4] = 0.0f; m_fExprTable[3][4] = 0.0f;
m_fExprTable[0][5] = 0.0f; m_fExprTable[1][5] = 0.0f; m_fExprTable[2][5] =-0.7f; m_fExprTable[3][5] = 0.0f;
m_fExprTable[0][6] = 0.0f; m_fExprTable[1][6] = 0.0f; m_fExprTable[2][6 ]= 0.0f; m_fExprTable[3][6] =-0.7f;
m_fJawRotation[0] = 45.0f;
m_fJawRotation[1] = 25.0f;
m_fJawRotation[2] = 40.0f;
m_fJawRotation[3] = 20.0f;
m_fJawRotation[4] = 45.0f;
m_fJawRotation[5] = 25.0f;
m_fJawRotation[6] = 30.0f;
m_fBackRotation[0] = 0.0f;
m_fBackRotation[1] = 25.0f;
m_fBackRotation[2] = 40.0f;
m_fBackRotation[3] = 90.0f;
m_fBackRotation[4] = 125.0f;
m_fBackRotation[5] = 80.0f;
m_fBackRotation[6] = 30.0f;
}