void MenuState::display()
{
m_VertexBuffer.bind();
m_Game->getShaderManager().useShader("Texture");
setupVertexAttrib();
passTextureToShader();
passMatrixToShader();
glDrawArrays(GL_TRIANGLES, 0, 12);
}
MenuState::MenuState(Game* game)
: GameState(game)
, m_TextureFileName("Textures/menuScreen.png")
{
m_Game->getShaderManager().useShader("Texture");
createTexture();
createVertexBuffer();
setupVertexAttrib();
passTextureToShader();
passMatrixToShader();
}
bool SciIllLib::CMesh::InitializeGLBuffer()
{
CGLInfo::CheckError("IntializeGLBuffer");
GLint locAttrVertex = m_shader->attribLocation("vertex");
GLint locAttrNormal = m_shader->attribLocation("normal");
GLint locAttrTexCoord = m_shader->attribLocation("texCoord");
GLint locAttrTangent = m_shader->attribLocation("tangent");
GLint locAttrBinormal = m_shader->attribLocation("binormal");
glGenVertexArrays(1, &m_vao);
glBindVertexArray(m_vao);
glGenBuffers(5, &m_vbo[0]);
bool found = false;
found |= setupVertexAttrib(locAttrVertex, m_vbo[VBO_VERTEX], 4, m_arrVertex);
found |= setupVertexAttrib(locAttrNormal, m_vbo[VBO_NORMAL], 4, m_arrNormal);
found |= setupVertexAttrib(locAttrTexCoord, m_vbo[VBO_TEXCOORD], 2, m_arrTexCoord);
if (locAttrTangent * locAttrBinormal > 0)
{
calculateTB(m_arrVertex, m_arrTexCoord);
found |= setupVertexAttrib(locAttrTangent, m_vbo[VBO_TANGENT], 3, m_arrTangent);
found |= setupVertexAttrib(locAttrBinormal, m_vbo[VBO_BINORMAL], 3, m_arrBinormal);
}
if (found)
{
glGenBuffers(1, &m_vboIdx);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vboIdx);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_countIdx * sizeof(GLuint), m_arrIdx, GL_STATIC_DRAW);
}
cleanupBuffers();
glBindVertexArray(0);
return true;
}
/**
* Loada heightmap and create the mesh.
* @param filename filename that contains the heightmap
* @param scale that is applied to the height (compared to max(width,height))
* @param locAttrVertex location/index of the vertexattribute vertex-position
* @param locAttrNormal location/index of the vertexattribute vertex-normal
* @param locAttrTexCoord location/index of the vertexattribute vertex-texture coordinate
*/
bool SciIllLib::CMesh::InitializeGLBuffer()
{
CGLInfo::CheckError("IntializeGLBuffer");
GLint locAttrVertex = m_shader->attribLocation("vertex");
GLint locAttrNormal = m_shader->attribLocation("normal");
GLint locAttrTexCoord = m_shader->attribLocation("texCoord");
GLint locAttrTangent = m_shader->attribLocation("tangent");
GLint locAttrBinormal = m_shader->attribLocation("binormal");
glGenVertexArrays(1, &m_vao);
glBindVertexArray(m_vao);
glGenBuffers(5, &m_vbo[0]);
bool found = false;
found |= setupVertexAttrib(locAttrVertex, m_vbo[VBO_VERTEX], 4, m_arrVertex);
found |= setupVertexAttrib(locAttrNormal, m_vbo[VBO_NORMAL], 4, m_arrNormal);
found |= setupVertexAttrib(locAttrTexCoord, m_vbo[VBO_TEXCOORD], 2, m_arrTexCoord);
if (locAttrTangent * locAttrBinormal > 0){
calculateTB(m_arrVertex, m_arrTexCoord);
found |= setupVertexAttrib(locAttrTangent, m_vbo[VBO_TANGENT], 3, m_arrTangent);
found |= setupVertexAttrib(locAttrBinormal, m_vbo[VBO_BINORMAL], 3, m_arrBinormal);
}
//found |= setupVertexAttrib(locAttrTangent, m_vbo[VBO_TANGENT], 3, m_arrTangent);
//found |= setupVertexAttrib(locAttrBinormal, m_vbo[VBO_BINORMAL], 3, m_arrBinormal);
/*
int idx = 0;
if (locAttrVertex >= 0)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vbo[VBO_VERTEX]);
glBufferData(GL_ARRAY_BUFFER, m_countElements * 4 * sizeof(GLfloat), m_arrVertex, GL_STATIC_DRAW);
glVertexAttribPointer(locAttrVertex, 4, GL_FLOAT, GL_FALSE, 0, 0);
CGLInfo::CheckError("VA1 initialized ?");
glEnableVertexAttribArray(locAttrVertex);
CGLInfo::CheckError("VA1 initialized !");
}
if (locAttrNormal >= 0)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vbo[VBO_NORMAL]);
glBufferData(GL_ARRAY_BUFFER, m_countElements * 4 * sizeof(GLfloat), m_arrNormal, GL_STATIC_DRAW);
glVertexAttribPointer(locAttrNormal, 4, GL_FLOAT, GL_FALSE, 0, 0);
CGLInfo::CheckError("VA2 initialized ?");
glEnableVertexAttribArray(locAttrNormal);
CGLInfo::CheckError("VA2 initialized");
}
if (locAttrTexCoord >= 0)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vbo[VBO_TEXCOORD]);
glBufferData(GL_ARRAY_BUFFER, m_countElements * 2 * sizeof(GLfloat), m_arrTexCoord, GL_STATIC_DRAW);
glVertexAttribPointer(locAttrTexCoord, 2, GL_FLOAT, GL_FALSE, 0, 0);
CGLInfo::CheckError("VA3 initialized ?");
glEnableVertexAttribArray(locAttrTexCoord);
CGLInfo::CheckError("VA3 initialized");
}
if (locAttrTangent >= 0)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vbo[VBO_TANGENT]);
glBufferData(GL_ARRAY_BUFFER, m_countElements * 2 * sizeof(GLfloat), m_arrTexCoord, GL_STATIC_DRAW);
glVertexAttribPointer(locAttrTexCoord, 2, GL_FLOAT, GL_FALSE, 0, 0);
CGLInfo::CheckError("VA3 initialized ?");
glEnableVertexAttribArray(locAttrTexCoord);
CGLInfo::CheckError("VA3 initialized");
}
if (locAttrTexCoord >= 0)
{
glBindBuffer(GL_ARRAY_BUFFER, m_vbo[idx++]);
glBufferData(GL_ARRAY_BUFFER, m_countElements * 2 * sizeof(GLfloat), m_arrTexCoord, GL_STATIC_DRAW);
glVertexAttribPointer(locAttrTexCoord, 2, GL_FLOAT, GL_FALSE, 0, 0);
CGLInfo::CheckError("VA3 initialized ?");
glEnableVertexAttribArray(locAttrTexCoord);
CGLInfo::CheckError("VA3 initialized");
}
*/
if (found)
{
glGenBuffers(1, &m_vboIdx);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vboIdx);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_countIdx * sizeof(GLuint), m_arrIdx, GL_STATIC_DRAW);
}
cleanupBuffers();
glBindVertexArray(0);
return true;
}
