const bool CCMatrixInverse(CCMatrix &result, CCMatrix &source)
{
float *m = source.data();
float *inv = result.data();
inv[0] = m[5]*m[10]*m[15] - m[5]*m[11]*m[14] - m[9]*m[6]*m[15] + m[9]*m[7]*m[14] + m[13]*m[6]*m[11] - m[13]*m[7]*m[10];
inv[4] = -m[4]*m[10]*m[15] + m[4]*m[11]*m[14] + m[8]*m[6]*m[15] - m[8]*m[7]*m[14] - m[12]*m[6]*m[11] + m[12]*m[7]*m[10];
inv[8] = m[4]*m[9]*m[15] - m[4]*m[11]*m[13] - m[8]*m[5]*m[15] + m[8]*m[7]*m[13] + m[12]*m[5]*m[11] - m[12]*m[7]*m[9];
inv[12] = -m[4]*m[9]*m[14] + m[4]*m[10]*m[13] + m[8]*m[5]*m[14] - m[8]*m[6]*m[13] - m[12]*m[5]*m[10] + m[12]*m[6]*m[9];
inv[1] = -m[1]*m[10]*m[15] + m[1]*m[11]*m[14] + m[9]*m[2]*m[15] - m[9]*m[3]*m[14] - m[13]*m[2]*m[11] + m[13]*m[3]*m[10];
inv[5] = m[0]*m[10]*m[15] - m[0]*m[11]*m[14] - m[8]*m[2]*m[15] + m[8]*m[3]*m[14] + m[12]*m[2]*m[11] - m[12]*m[3]*m[10];
inv[9] = -m[0]*m[9]*m[15] + m[0]*m[11]*m[13] + m[8]*m[1]*m[15] - m[8]*m[3]*m[13] - m[12]*m[1]*m[11] + m[12]*m[3]*m[9];
inv[13] = m[0]*m[9]*m[14] - m[0]*m[10]*m[13] - m[8]*m[1]*m[14] + m[8]*m[2]*m[13] + m[12]*m[1]*m[10] - m[12]*m[2]*m[9];
inv[2] = m[1]*m[6]*m[15] - m[1]*m[7]*m[14] - m[5]*m[2]*m[15] + m[5]*m[3]*m[14] + m[13]*m[2]*m[7] - m[13]*m[3]*m[6];
inv[6] = -m[0]*m[6]*m[15] + m[0]*m[7]*m[14] + m[4]*m[2]*m[15] - m[4]*m[3]*m[14] - m[12]*m[2]*m[7] + m[12]*m[3]*m[6];
inv[10] = m[0]*m[5]*m[15] - m[0]*m[7]*m[13] - m[4]*m[1]*m[15] + m[4]*m[3]*m[13] + m[12]*m[1]*m[7] - m[12]*m[3]*m[5];
inv[14] = -m[0]*m[5]*m[14] + m[0]*m[6]*m[13] + m[4]*m[1]*m[14] - m[4]*m[2]*m[13] - m[12]*m[1]*m[6] + m[12]*m[2]*m[5];
inv[3] = -m[1]*m[6]*m[11] + m[1]*m[7]*m[10] + m[5]*m[2]*m[11] - m[5]*m[3]*m[10] - m[9]*m[2]*m[7] + m[9]*m[3]*m[6];
inv[7] = m[0]*m[6]*m[11] - m[0]*m[7]*m[10] - m[4]*m[2]*m[11] + m[4]*m[3]*m[10] + m[8]*m[2]*m[7] - m[8]*m[3]*m[6];
inv[11] = -m[0]*m[5]*m[11] + m[0]*m[7]*m[9] + m[4]*m[1]*m[11] - m[4]*m[3]*m[9] - m[8]*m[1]*m[7] + m[8]*m[3]*m[5];
inv[15] = m[0]*m[5]*m[10] - m[0]*m[6]*m[9] - m[4]*m[1]*m[10] + m[4]*m[2]*m[9] + m[8]*m[1]*m[6] - m[8]*m[2]*m[5];
float det = m[0]*inv[0] + m[1]*inv[4] + m[2]*inv[8] + m[3]*inv[12];
if( det == 0.0f )
{
return false;
}
det = 1.0f / det;
for( int i=0; i<16; ++i )
{
inv[i] *= det;
}
return true;
}
void CCSetModelViewProjectionMatrix()
{
const CCMatrix &viewMatrix = CCCameraBase::CurrentCamera->getViewMatrix();
const CCMatrix &modelMatrix = CCCameraBase::CurrentCamera->pushedMatrix[CCCameraBase::CurrentCamera->currentPush];
if( gRenderer->openGL2() )
{
const CCMatrix &projectionMatrix = CCCameraBase::CurrentCamera->getProjectionMatrix();
const GLint *uniforms = gRenderer->getShader()->uniforms;
gRenderer->GLUniformMatrix4fv( uniforms[UNIFORM_PROJECTIONMATRIX], 1, GL_FALSE, projectionMatrix.m );
gRenderer->GLUniformMatrix4fv( uniforms[UNIFORM_VIEWMATRIX], 1, GL_FALSE, viewMatrix.m );
gRenderer->GLUniformMatrix4fv( uniforms[UNIFORM_MODELMATRIX], 1, GL_FALSE, modelMatrix.m );
if( uniforms[UNIFORM_MODELNORMALMATRIX] != -1 )
{
static CCMatrix modelViewMatrix;
modelViewMatrix = viewMatrix;
CCMatrixMultiply( modelViewMatrix, modelMatrix, modelViewMatrix );
static CCMatrix inverseModelViewMatrix;
static CCMatrix modelNormalMatrix;
CCMatrixInverse( inverseModelViewMatrix, modelViewMatrix );
CCMatrixTranspose( modelNormalMatrix, inverseModelViewMatrix );
gRenderer->GLUniformMatrix4fv( uniforms[UNIFORM_MODELNORMALMATRIX], 1, GL_FALSE, modelNormalMatrix.m );
}
}
else
{
#ifdef IOS
static CCMatrix modelViewMatrix;
modelViewMatrix = viewMatrix;
CCMatrixMultiply( modelViewMatrix, modelMatrix, modelViewMatrix );
glLoadMatrixf( modelViewMatrix.data() );
#endif
}
}