landscape.cpp

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#include "landscape.h"
 
#include <Tempest/Log>
#include <cstddef>
 
#include "graphics/mesh/submesh/packedmesh.h"
#include "gothic.h"
 
using namespace Tempest;
 
Landscape::Landscape(VisualObjects& visual, const PackedMesh &packed)
  :mesh(packed) {
  auto& device = Resources::device();
 
  meshletDesc = Resources::ssbo(packed.meshletBounds.data(), packed.meshletBounds.size()*sizeof(packed.meshletBounds[0]));
  bvhNodes    = Resources::ssbo(packed.bvhNodes.data(),  packed.bvhNodes.size()*sizeof(packed.bvhNodes[0]));
  //bvhNodes    = Resources::ssbo(packed.bvh8Nodes.data(), packed.bvh8Nodes.size()*sizeof(packed.bvh8Nodes[0]));
 
  blocks.reserve(packed.subMeshes.size());
  for(size_t i=0; i<packed.subMeshes.size(); ++i) {
    auto& sub      = packed.subMeshes[i];
    auto  id       = uint32_t(sub.iboOffset/PackedMesh::MaxInd);
    auto  material = Resources::loadMaterial(sub.material,true);
 
    if(material.alpha==Material::AdditiveLight || sub.iboLength==0) {
      continue;
      }
 
    if(Gothic::options().doRayQuery) {
      mesh.sub[i].blas = device.blas(mesh.vbo,mesh.ibo,sub.iboOffset,sub.iboLength);
      }
 
    Block b;
    b.mesh = visual.get(mesh,material,sub.iboOffset,sub.iboLength,&packed.meshletBounds[id],DrawCommands::Landscape);
    b.mesh.setObjMatrix(Matrix4x4::mkIdentity());
    blocks.emplace_back(std::move(b));
    }
  }