Swap out sprite sheets on the fly.

Animation.cpp

void CAnimation::SwapSpriteSheet(const AnimationHeader& Header)
{
    // New texture for the renderer and new dimensions for the shader.
    m_Mesh.GetSurfaces()[0]->pMaterial->pTexture = Header.pTexture;
    m_TexcDim       = math::vector2_t(1.f / Header.columns, 1.f / Header.rows);
    m_SheetDetails  = Header;    
    m_loops_done    = 0;

    // Adjust shader for new texture dimensions.
    gfx::CShaderPair* pShader = m_Mesh.GetSurfaces()[0]->pMaterial->pShader;
    pShader->Bind();
    glUniform2f(m_tc_loc, m_TexcDim.x, m_TexcDim.y);
    pShader->Unbind();
}