State::stateResult_t SkyboxState::doEnableState(FrameContext & context, Node *, const RenderParam & rp) {
if (rp.getFlag(NO_GEOMETRY)) {
return State::STATE_SKIPPED;
}
Vec3 pos = context.getCamera()->getWorldOrigin();
Geometry::Matrix4x4 matrix;
matrix.translate(pos);
context.getRenderingContext().pushMatrix_modelToCamera();
context.getRenderingContext().multMatrix_modelToCamera(matrix);
context.getRenderingContext().pushTexture(0);
context.getRenderingContext().pushAndSetDepthBuffer(Rendering::DepthBufferParameters(true, false, Rendering::Comparison::LESS));
context.getRenderingContext().pushAndSetLighting(Rendering::LightingParameters(false));
Geometry::Box box(Geometry::Vec3(0.0f, 0.0f, 0.0f), sideLength);
for (uint_fast8_t side = 0; side < 6; ++side) {
if (!textures[side].isNull()) {
context.getRenderingContext().setTexture(0,textures[side].get());
const Geometry::corner_t * corners = Geometry::Helper::getCornerIndices(static_cast<Geometry::side_t> (side));
// Reverse the corner order because we need the inner surface.
Rendering::drawQuad(context.getRenderingContext(), box.getCorner(corners[1]), box.getCorner(corners[0]), box.getCorner(corners[3]), box.getCorner(corners[2]),Util::ColorLibrary::WHITE);
}
}
context.getRenderingContext().popLighting();
context.getRenderingContext().popDepthBuffer();
context.getRenderingContext().popTexture(0);
context.getRenderingContext().popMatrix_modelToCamera();
return State::STATE_OK;
}
void drawBox(RenderingContext & rc, const Geometry::Box & box) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box unitBox(Geometry::Vec3(-0.5f, -0.5f, -0.5f), Geometry::Vec3(0.5f, 0.5f, 0.5f));
mesh = MeshUtils::MeshBuilder::createBox(vertexDescription, unitBox);
}
Geometry::Matrix4x4 matrix;
matrix.translate(box.getCenter());
matrix.scale(box.getExtentX(), box.getExtentY(), box.getExtentZ());
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(matrix);
rc.displayMesh(mesh.get());
rc.popMatrix_modelToCamera();
}
void drawRect(RenderingContext & rc, const Geometry::Rect & rect) {
static Util::Reference<Mesh> mesh;
if (mesh.isNull()) {
VertexDescription vertexDescription;
vertexDescription.appendPosition2D();
mesh = new Mesh(vertexDescription, 4, 6);
mesh->setDrawMode(Mesh::DRAW_TRIANGLES);
MeshVertexData & vd = mesh->openVertexData();
float * vertices = reinterpret_cast<float *> (vd.data());
*vertices++ = 0.0f; // Bottom left
*vertices++ = 0.0f;
*vertices++ = 1.0f; // Bottom right
*vertices++ = 0.0f;
*vertices++ = 1.0f; // Top right
*vertices++ = 1.0f;
*vertices++ = 0.0f; // Top left
*vertices++ = 1.0f;
vd.updateBoundingBox();
vd.markAsChanged();
MeshIndexData & id = mesh->openIndexData();
uint32_t * indices = id.data();
indices[0] = 0;
indices[1] = 2;
indices[2] = 1;
indices[3] = 0;
indices[4] = 3;
indices[5] = 2;
id.updateIndexRange();
id.markAsChanged();
}
Geometry::Matrix4x4 matrix;
matrix.translate(rect.getX(), rect.getY(), 0.0f);
matrix.scale(rect.getWidth(), rect.getHeight(), 1.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(matrix);
rc.displayMesh(mesh.get());
rc.popMatrix_modelToCamera();
}
void BoxTest::testSetters() {
const Geometry::Box b1(-1.0f, 1.0f, -2.0f, 2.0f, -3.0f, 3.0f);
Geometry::Box b2;
b2.setMinX(-1.0f);
b2.setMaxX(1.0f);
b2.setMinY(-2.0f);
b2.setMaxY(2.0f);
b2.setMinZ(-3.0f);
b2.setMaxZ(3.0f);
CPPUNIT_ASSERT(b2 == b1);
b2.setMin(Geometry::dimension_t::X, -1.0f);
b2.setMax(Geometry::dimension_t::X, 1.0f);
b2.setMin(Geometry::dimension_t::Y, -2.0f);
b2.setMax(Geometry::dimension_t::Y, 2.0f);
b2.setMin(Geometry::dimension_t::Z, -3.0f);
b2.setMax(Geometry::dimension_t::Z, 3.0f);
CPPUNIT_ASSERT(b2 == b1);
b2.set(-1.0f, 1.0f, -2.0f, 2.0f, -3.0f, 3.0f);
CPPUNIT_ASSERT(b2 == b1);
b2 = Geometry::Box();
CPPUNIT_ASSERT(b2 == Geometry::Box());
b2 = b1;
CPPUNIT_ASSERT(b2 == b1);
b2.set(1.0f, 2.0f, 3.0f);
b2.include(-1.0, -2.0f, -3.0f);
CPPUNIT_ASSERT(b2 == b1);
b2.set(1.0f, 2.0f, 3.0f);
b2.include(Geometry::Vec3(-1.0, -2.0f, -3.0f));
CPPUNIT_ASSERT(b2 == b1);
b2 = Geometry::Box();
b2.include(b1);
CPPUNIT_ASSERT(b2 == b1);
b2 = Geometry::Box();
b2.setCenter(Geometry::Vec3(0.0f, 0.0f, 0.0f));
b2.include(-1.0, -2.0f, -3.0f);
b2.include(1.0, 2.0f, 3.0f);
CPPUNIT_ASSERT(b2 == b1);
b2 = Geometry::Box();
b2.setCenter(Geometry::Vec3(0.5f, 0.5f, 0.5f));
b2.setExtentX(1.0f);
b2.setExtentY(1.0f);
b2.setExtentZ(1.0f);
CPPUNIT_ASSERT(b2 == Geometry::Box(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f));
b2 = Geometry::Box();
b2.setCenter(Geometry::Vec3(0.5f, 0.5f, 0.5f));
b2.setExtent(1.0f);
CPPUNIT_ASSERT(b2 == Geometry::Box(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f));
b2.resizeAbs(2.0f);
CPPUNIT_ASSERT(b2 == Geometry::Box(-2.0f, 3.0f, -2.0f, 3.0f, -2.0f, 3.0f));
b2.resizeRel(1.5f);
CPPUNIT_ASSERT(b2 == Geometry::Box(-3.25f, 4.25f, -3.25f, 4.25f, -3.25f, 4.25f));
b2.translate(Geometry::Vec3(3.25f, -4.25f, 0.0f));
CPPUNIT_ASSERT(b2 == Geometry::Box(0.0f, 7.5f, -7.5f, 0.0f, -3.25f, 4.25f));
Geometry::Matrix4x4 mat;
mat.setIdentity();
b2 = Geometry::Helper::getTransformedBox(b2, mat);
CPPUNIT_ASSERT(b2 == Geometry::Box(0.0f, 7.5f, -7.5f, 0.0f, -3.25f, 4.25f));
mat.scale(2.0f);
mat.translate(-3.25f, 4.25f, 0.0f);
b2 = Geometry::Helper::getTransformedBox(b2, mat);
CPPUNIT_ASSERT(b2 == Geometry::Box(-6.5f, 8.5f, -6.5f, 8.5f, -6.5f, 8.5f));
}
void drawCoordSys(RenderingContext & rc, float scale) {
static Util::Reference<Mesh> arrow;
static Util::Reference<Mesh> sphere;
static Util::Reference<Mesh> charX;
static Util::Reference<Mesh> charY;
static Util::Reference<Mesh> charZ;
const float radius = 0.025f;
if (arrow.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
Geometry::Matrix4x4 transform;
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(radius, radius, 0.7f, 16));
transformations.push_back(transform);
meshes.push_back(MeshUtils::MeshBuilder::createConicalFrustum(radius, 2.0f * radius, 0.01f, 16));
transform.translate(0.7f, 0.0f, 0.0f);
transformations.push_back(transform);
meshes.push_back(MeshUtils::MeshBuilder::createCone(2.0f * radius, 0.29f, 16));
transform.translate(0.01f, 0.0f, 0.0f);
transformations.push_back(transform);
arrow = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(arrow.get());
while (!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if (sphere.isNull()) {
Util::Reference<Mesh> icosahedron = MeshUtils::PlatonicSolids::createIcosahedron();
sphere = MeshUtils::PlatonicSolids::createEdgeSubdivisionSphere(icosahedron.get(), 2);
Geometry::Matrix4x4 transform;
transform.scale(1.1f * radius);
MeshUtils::transform(sphere.get()->openVertexData(), transform);
}
if(charX.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.2f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
charX = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(charX.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if(charY.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.1f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(0.025f, 0.045f, 0.0f);
transform.rotate_deg(30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(-0.025f, 0.045f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(0.0f, -0.045f, 0.0f);
transformations.push_back(transform);
}
charY = MeshUtils::combineMeshes(meshes, transformations);
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, -1.0f);
MeshUtils::transform(charY->openVertexData(), transform);
MeshUtils::optimizeIndices(charY.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
if(charZ.isNull()) {
std::deque<Mesh *> meshes;
std::deque<Geometry::Matrix4x4> transformations;
VertexDescription vertexDescription;
vertexDescription.appendPosition3D();
vertexDescription.appendNormalFloat();
const Geometry::Box box(Geometry::Vec3f(0.0f, 0.0f, 0.0f), 0.02f, 0.1f, 0.05f);
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.075f, 0.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, 0.0f, 0.0f);
transform.rotate_deg(-30.0f, 0.0f, 0.0f, -1.0f);
transform.scale(1.0f, 1.6f, 1.0f);
transformations.push_back(transform);
}
{
meshes.push_back(MeshUtils::MeshBuilder::createBox(vertexDescription, box));
Geometry::Matrix4x4 transform;
transform.translate(1.2f, -0.075f, 0.0f);
transform.rotate_deg(-90.0f, 0.0f, 0.0f, -1.0f);
transformations.push_back(transform);
}
charZ = MeshUtils::combineMeshes(meshes, transformations);
MeshUtils::optimizeIndices(charZ.get());
while(!meshes.empty()) {
delete meshes.back();
meshes.pop_back();
}
}
// Origin
rc.pushAndSetColorMaterial(Util::ColorLibrary::WHITE);
rc.displayMesh(sphere.get());
rc.popMaterial();
// X axis
Geometry::Matrix4x4 transform;
transform.scale(scale, 1.0f, 1.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::RED);
rc.displayMesh(arrow.get());
rc.displayMesh(charX.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
// Y axis
transform.setIdentity();
transform.scale(1.0f, scale, 1.0f);
transform.rotate_deg(90.0f, 0.0f, 0.0f, 1.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::GREEN);
rc.displayMesh(arrow.get());
rc.displayMesh(charY.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
// Z axis
transform.setIdentity();
transform.scale(1.0f, 1.0f, scale);
transform.rotate_deg(90.0f, 0.0f, -1.0f, 0.0f);
rc.pushMatrix_modelToCamera();
rc.multMatrix_modelToCamera(transform);
rc.pushAndSetColorMaterial(Util::ColorLibrary::BLUE);
rc.displayMesh(arrow.get());
rc.displayMesh(charZ.get());
rc.popMaterial();
rc.popMatrix_modelToCamera();
}