void Renderer::Render(const Uniform &uniform, const Camera &camera) const
{
glUniform4fv(uniform.uv4k_Color, 1, mesh_.GetColor().v);
GLKMatrix4 modelViewProjectionMatrix = GLKMatrix4Multiply(camera.GetProjectionMatrix(),
GLKMatrix4Multiply(camera.GetViewMatrix(),
modelMatrix_));
glUniformMatrix4fv(uniform.um4k_Modelviewprojection, 1, 0, modelViewProjectionMatrix.m);
mesh_.Draw();
}
virtual void Draw()
{
glActiveTexture(GL_TEXTURE0);
s_currentShader->Begin();
if (s_currentShader == s_defaultShader)
{
// TODO only change these when necessary.
// TODO Check for using default shader or a different one
GLKMatrix4& projectionMatrix = s_matrices[AmjuGL::AMJU_PROJECTION_MATRIX];
GLKMatrix4& modelViewMatrix = s_matrices[AmjuGL::AMJU_MODELVIEW_MATRIX];
// Moldelview * projection matrix for world transforms
GLKMatrix4 modelViewProjectionMatrix = GLKMatrix4Multiply(projectionMatrix, modelViewMatrix);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_MODELVIEWPROJECTION_MATRIX, modelViewProjectionMatrix.m);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_MODELVIEW_MATRIX, modelViewMatrix.m);
if (s_lightingEnabled || s_tt == AmjuGL::AMJU_TEXTURE_SPHERE_MAP)
{
// Inverse transpose of modelview matrix to rotate normals
GLKMatrix3 normalMatrix = GLKMatrix3InvertAndTranspose(GLKMatrix4GetMatrix3(modelViewMatrix), NULL);
s_currentShader->SetMatrix3x3(AMJU_ES2_DEFAULT_SHADER_NORMAL_MATRIX, normalMatrix.m);
}
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_TEXTURE, (AmjuGL::TextureHandle)0);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_COLOUR, s_colour);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_USE_LIGHTING, (float)(s_lightingEnabled ? 0 : 1));
s_currentShader->SetInt(AMJU_ES2_DEFAULT_SHADER_USE_SPHEREMAP, (int)s_tt);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_LIGHT_DIR, s_lightPos);
s_currentShader->Set(AMJU_ES2_DEFAULT_SHADER_EYE_POS, s_eyePos);
}
glBindVertexArrayOES(m_vertexArray);
glDrawArrays(GL_TRIANGLES, 0, m_numVerts);
}
void AmjuGLOpenGLES2::Scale(float x, float y, float z)
{
AMJU_CALL_STACK;
GLKMatrix4 mat = GLKMatrix4MakeScale(x, y, z);
s_matrices[s_matrixMode] = GLKMatrix4Multiply(s_matrices[s_matrixMode], mat);
}
void AmjuGLOpenGLES2::SetPerspectiveProjection(float fov, float aspectRatio, float nearDist, float farDist)
{
AMJU_CALL_STACK;
// Expect current matrix mode to be perspective
s_matrices[AmjuGL::AMJU_PROJECTION_MATRIX] = GLKMatrix4Multiply(
s_matrices[AmjuGL::AMJU_PROJECTION_MATRIX],
GLKMatrix4MakePerspective(DegToRad(fov), aspectRatio, nearDist, farDist));
}
GLKMatrix4 Transform_GetMV(const Transform *slf){
GLKMatrix4 tMat = GLKMatrix4MakeTranslation(slf->position.x, slf->position.y, slf->position.z);
GLKMatrix4 rMat = GLKMatrix4MakeWithQuaternion(slf->orientation);
GLKMatrix4 sMat = GLKMatrix4MakeScale(slf->scale.x, slf->scale.y, slf->scale.z);
GLKMatrix4 mv = GLKMatrix4Multiply(tMat, GLKMatrix4Multiply(rMat, sMat));
// mv = GLKMatrix4Translate(mv, slf->position.x, slf->position.y, slf->position.z);
// mv = GLKMatrix4Multiply(mv, rMat);
// mv = GLKMatrix4RotateWithVector3(mv, GLKQuaternionAngle(slf->orientation), GLKQuaternionAxis(slf->orientation));
// // mv = GLKMatrix4Rotate(mv, slf->rotation.w, slf->rotation.x, slf->rotation.y, slf->rotation.z);
// mv = GLKMatrix4Scale(mv, slf->scale.x, slf->scale.y, slf->scale.z);
if (slf->parent) {
mv = GLKMatrix4Multiply(Transform_GetMV(slf->parent), mv);
}
return mv;
}
void AmjuGLOpenGLES2::LookAt(float eyeX, float eyeY, float eyeZ, float x, float y, float z, float upX, float upY, float upZ)
{
AMJU_CALL_STACK;
s_eyePos = AmjuGL::Vec3(eyeX, eyeY, eyeZ);
// Expect current matrix mode to be mview
s_matrices[AmjuGL::AMJU_MODELVIEW_MATRIX] = GLKMatrix4Multiply(
s_matrices[AmjuGL::AMJU_MODELVIEW_MATRIX],
GLKMatrix4MakeLookAt(eyeX, eyeY, eyeZ, x, y, z, upX, upY, upZ));
}
void AmjuGLOpenGLES2::MultMatrix(const float array[16])
{
AMJU_CALL_STACK;
GLKMatrix4 mat = GLKMatrix4MakeWithArray((float*)array);
s_matrices[s_matrixMode] = GLKMatrix4Multiply(s_matrices[s_matrixMode], mat);
}
GLKMatrix4 Transform_GetMVP(const Transform *slf, const GLKMatrix4 projection){
return GLKMatrix4Multiply(projection, Transform_GetMV(slf));
}
