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hack to fix culling bugs for some subMesh parts in the windmill scene

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ZappoMan 2015-06-11 20:49:19 -07:00
parent a1ee339765
commit feb3f68a00
1 changed files with 46 additions and 16 deletions
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62
libraries/render-utils/src/Model.cpp
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@ -1019,7 +1019,7 @@ AABox Model::calculateScaledOffsetAABox(const AABox& box) const {
glm::vec3 Model::calculateScaledOffsetPoint(const glm::vec3& point) const {
// we need to include any fst scaling, translation, and rotation, which is captured in the offset matrix
glm::vec3 offsetPoint = glm::vec3(_geometry->getFBXGeometry().offset * glm::vec4(point, 1.0f));
glm::vec3 offsetPoint = glm::vec3(_geometry->getFBXGeometry().offset * glm::vec4(point, 1.0f)); /// should this be point???
glm::vec3 scaledPoint = ((offsetPoint + _offset) * _scale);
glm::vec3 rotatedPoint = _rotation * scaledPoint;
glm::vec3 translatedPoint = rotatedPoint + _translation;
@ -1764,13 +1764,33 @@ AABox Model::getPartBounds(int meshIndex, int partIndex) {
if (!_calculatedMeshPartBoxesValid) {
recalculateMeshBoxes(true);
}
if (meshIndex < _meshStates.size()) {
const MeshState& state = _meshStates.at(meshIndex);
bool isSkinned = state.clusterMatrices.size() > 1;
if (isSkinned) {
// if we're skinned return the entire mesh extents because we can't know for sure our clusters don't move us
return calculateScaledOffsetAABox(_geometry->getFBXGeometry().meshExtents);
}
}
if (_calculatedMeshPartBoxesValid && _calculatedMeshPartBoxes.contains(QPair<int,int>(meshIndex, partIndex))) {
return calculateScaledOffsetAABox(_calculatedMeshPartBoxes[QPair<int,int>(meshIndex, partIndex)]);
// FIX ME! - This is currently a hack because for some mesh parts our efforts to calculate the bounding
// box of the mesh part fails. It seems to create boxes that are not consistent with where the
// geometry actually renders. If instead we make all the parts share the bounds of the entire subMesh
// things will render properly.
//
// return calculateScaledOffsetAABox(_calculatedMeshPartBoxes[QPair<int,int>(meshIndex, partIndex)]);
//
// If we not skinned use the bounds of the subMesh for all it's parts
return _calculatedMeshBoxes[meshIndex];
}
return AABox();
}
void Model::renderPart(RenderArgs* args, int meshIndex, int partIndex, bool translucent) {
if (!_readyWhenAdded) {
return; // bail asap
}
@ -1785,19 +1805,6 @@ void Model::renderPart(RenderArgs* args, int meshIndex, int partIndex, bool tran
gpu::Batch& batch = *(args->_batch);
auto mode = args->_renderMode;
// render the part bounding box
#ifdef DEBUG_BOUNDING_PARTS
{
glm::vec4 cubeColor(1.0f,0.0f,0.0f,1.0f);
AABox partBounds = getPartBounds(meshIndex, partIndex);
glm::mat4 translation = glm::translate(partBounds.calcCenter());
glm::mat4 scale = glm::scale(partBounds.getDimensions());
glm::mat4 modelToWorldMatrix = translation * scale;
batch.setModelTransform(modelToWorldMatrix);
DependencyManager::get<DeferredLightingEffect>()->renderWireCube(batch, 1.0f, cubeColor);
}
#endif //def DEBUG_BOUNDING_PARTS
// Capture the view matrix once for the rendering of this model
if (_transforms.empty()) {
@ -1824,6 +1831,29 @@ void Model::renderPart(RenderArgs* args, int meshIndex, int partIndex, bool tran
bool hasLightmap = mesh.hasEmissiveTexture();
bool isSkinned = state.clusterMatrices.size() > 1;
bool wireframe = isWireframe();
AABox partBounds = getPartBounds(meshIndex, partIndex);
bool inView = args->_viewFrustum->boxInFrustum(partBounds) != ViewFrustum::OUTSIDE;
// render the part bounding box
#ifdef DEBUG_BOUNDING_PARTS
{
glm::vec4 cubeColor;
if (isSkinned) {
cubeColor = glm::vec4(0.0f,1.0f,1.0f,1.0f);
} else if (inView) {
cubeColor = glm::vec4(1.0f,0.0f,1.0f,1.0f);
} else {
cubeColor = glm::vec4(1.0f,1.0f,0.0f,1.0f);
}
Transform transform;
transform.setTranslation(partBounds.calcCenter());
transform.setScale(partBounds.getDimensions());
batch.setModelTransform(transform);
DependencyManager::get<DeferredLightingEffect>()->renderWireCube(batch, 1.0f, cubeColor);
}
#endif //def DEBUG_BOUNDING_PARTS
if (wireframe) {
translucentMesh = hasTangents = hasSpecular = hasLightmap = isSkinned = false;
@ -1977,7 +2007,7 @@ void Model::renderPart(RenderArgs* args, int meshIndex, int partIndex, bool tran
}
qint64 offset = _calculatedMeshPartOffet[QPair<int,int>(meshIndex, partIndex)];
if (part.quadIndices.size() > 0) {
batch.drawIndexed(gpu::QUADS, part.quadIndices.size(), offset);
offset += part.quadIndices.size() * sizeof(int);