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PolyVox entities render in Batch

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Atlante45 2015-05-29 17:44:41 +02:00
parent 75788a3c51
commit ad2d4d5e85
1 changed files with 16 additions and 27 deletions
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43
libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
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@ -187,34 +187,23 @@ void RenderablePolyVoxEntityItem::render(RenderArgs* args) {
if (_needsModelReload) {
getModel();
}
Transform transformToCenter = getTransformToCenter();
transformToCenter.setScale(getDimensions() / _voxelVolumeSize);
glm::vec3 position = getPosition();
glm::vec3 dimensions = getDimensions();
glm::vec3 scale = dimensions / _voxelVolumeSize;
glm::vec3 center = getCenterPosition();
glm::quat rotation = getRotation();
glPushMatrix();
glTranslatef(position.x, position.y, position.z);
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
glm::vec3 positionToCenter = center - position;
// make the rendered voxel volume be centered on the entity's position
positionToCenter -= getDimensions() * glm::vec3(0.5f,0.5f,0.5f);
glTranslatef(positionToCenter.x, positionToCenter.y, positionToCenter.z);
glScalef(scale.x, scale.y, scale.z);
auto mesh = _modelGeometry.getMesh();
gpu::Batch batch;
batch.setInputFormat(mesh->getVertexFormat());
batch.setInputBuffer(gpu::Stream::POSITION, mesh->getVertexBuffer());
batch.setInputBuffer(gpu::Stream::NORMAL,
mesh->getVertexBuffer()._buffer,
sizeof(float) * 3,
mesh->getVertexBuffer()._stride);
batch.setIndexBuffer(gpu::UINT32, mesh->getIndexBuffer()._buffer, 0);
batch.drawIndexed(gpu::TRIANGLES, mesh->getNumIndices(), 0);
gpu::GLBackend::renderBatch(batch);
glPopMatrix();
auto mesh = _modelGeometry.getMesh();
Q_ASSERT(args->_batch);
gpu::Batch& batch = *args->_batch;
batch.setModelTransform(transformToCenter);
batch.setInputFormat(mesh->getVertexFormat());
batch.setInputBuffer(gpu::Stream::POSITION, mesh->getVertexBuffer());
batch.setInputBuffer(gpu::Stream::NORMAL,
mesh->getVertexBuffer()._buffer,
sizeof(float) * 3,
mesh->getVertexBuffer()._stride);
batch.setIndexBuffer(gpu::UINT32, mesh->getIndexBuffer()._buffer, 0);
batch.drawIndexed(gpu::TRIANGLES, mesh->getNumIndices(), 0);
RenderableDebugableEntityItem::render(this, args);
}