void gfx_decal_init (void)
{
// TODO: The 4x3 transform will need to be
// TODO: Eventually we'd like this uv rect to be configurable per decal.
Vector2 uv1(0, 0);
Vector2 uv2(1, 1);
box_op.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
Ogre::VertexData *vdata = OGRE_NEW Ogre::VertexData();
box_op.vertexData = vdata;
vdata->vertexStart = 0;
const unsigned vertex_count = 8;
vdata->vertexCount = vertex_count;
unsigned vdecl_size = 0;
// strict alignment required here
struct Vertex { Vector3 position; Vector2 uv1; Vector2 uv2; };
vdecl_size += vdata->vertexDeclaration->addElement(
0, vdecl_size, Ogre::VET_FLOAT3, Ogre::VES_POSITION).getSize();
vdecl_size += vdata->vertexDeclaration->addElement(
0, vdecl_size, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0).getSize();
vdecl_size += vdata->vertexDeclaration->addElement(
0, vdecl_size, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 1).getSize();
Ogre::HardwareVertexBufferSharedPtr vbuf =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
vdecl_size, vdata->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
vdata->vertexBufferBinding->setBinding(0, vbuf);
Vertex vdata_raw[vertex_count] = {
{ Vector3(-0.5, -0.5, -0.5), uv1, uv2 },
{ Vector3(-0.5, -0.5, 0.5), uv1, uv2 },
{ Vector3(-0.5, 0.5, -0.5), uv1, uv2 },
{ Vector3(-0.5, 0.5, 0.5), uv1, uv2 },
{ Vector3( 0.5, -0.5, -0.5), uv1, uv2 },
{ Vector3( 0.5, -0.5, 0.5), uv1, uv2 },
{ Vector3( 0.5, 0.5, -0.5), uv1, uv2 },
{ Vector3( 0.5, 0.5, 0.5), uv1, uv2 }
};
vbuf->writeData(vdata->vertexStart, vdata->vertexCount*vdecl_size, vdata_raw, true);
Ogre::IndexData *idata = OGRE_NEW Ogre::IndexData();
box_op.indexData = idata;
box_op.useIndexes = true;
const unsigned indexes = 36; // 3 per triangle therefore 6 per face, 6 faces total
idata->indexStart = 0;
idata->indexCount = indexes;
idata->indexBuffer = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT, indexes, Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
uint16_t idata_raw[indexes] = {
quad_vertexes(2,6,0,4),
quad_vertexes(7,3,5,1),
quad_vertexes(3,2,1,0),
quad_vertexes(6,7,4,5),
quad_vertexes(0,4,1,5),
quad_vertexes(3,7,2,6)
};
idata->indexBuffer->writeData(0, sizeof(idata_raw), idata_raw, true);
}
void ESKOgre::createFakeEntity(Ogre::SceneManager *mSceneMgr) {
Ogre::MeshPtr msh = Ogre::MeshManager::getSingleton().createManual(name + "_skeleton", XENOVIEWER_RESOURCE_GROUP);
msh->setSkeletonName(name);
Ogre::SubMesh* sub = msh->createSubMesh();
const size_t nVertices = 3;
const size_t nVertCount = 3;
const size_t vbufCount = nVertCount*nVertices;
float *vertices = (float *)malloc(sizeof(float)*vbufCount);
for (size_t i = 0; i < nVertices; i++) {
vertices[i*nVertCount] = 0.0;
vertices[i*nVertCount + 1] = 0.0;
vertices[i*nVertCount + 2] = 0.0;
}
const size_t ibufCount = 3;
unsigned short *faces = (unsigned short *)malloc(sizeof(unsigned short) * ibufCount);
for (size_t i = 0; i < ibufCount; i++) {
faces[i] = i;
}
msh->sharedVertexData = new Ogre::VertexData();
msh->sharedVertexData->vertexCount = nVertices;
Ogre::VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(offset, msh->sharedVertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
Ogre::VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, ibufCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
sub->useSharedVertices = true;
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = ibufCount;
sub->indexData->indexStart = 0;
msh->_setBounds(Ogre::AxisAlignedBox(-100, -100, -100, 100, 100, 100));
msh->_setBoundingSphereRadius(100);
msh->load();
free(faces);
free(vertices);
skeleton_entity = mSceneMgr->createEntity(name + "_skeleton");
skeleton_node = mSceneMgr->getRootSceneNode()->createChildSceneNode();
skeleton_node->attachObject(skeleton_entity);
skeleton_node->setVisible(false);
}
void MapView::createTerrain()
{
unsigned int sizeX = mMap->getTerrainSize().x;
unsigned int sizeZ = mMap->getTerrainSize().z;
mTileX = 33;
mTileZ = 33;
unsigned int tileCount = ((sizeX - 1) / (mTileX - 1)) * ((sizeZ - 1) / (mTileZ - 1));
unsigned int vertexPerTile = mTileX * mTileZ;
unsigned int trianglesPerTile = (mTileX - 1) * (mTileZ - 1) * 2;
mMeshes.resize(tileCount);
mEntities.resize(tileCount);
mSceneNodes.resize(tileCount);
// vertexPerTile * 3 vertices * 2 texture coordinates * 3 colours * 3 normals
VertexVector vertices(vertexPerTile * 11);
// trianglesPerTile * 3 indices per each triangle
IndexVector indices[3] =
{
IndexVector(trianglesPerTile * 3 ),
IndexVector(trianglesPerTile * 3 / 4),
IndexVector(trianglesPerTile * 3 / 8)
};
unsigned int vertexIndex, indexIndex = 0, tileIndex = 0;
for (unsigned int zIndex = 0; zIndex < mTileZ - 1; ++zIndex)
{
for (unsigned int xIndex = 0; xIndex < mTileX - 1; ++xIndex)
{
indices[0][indexIndex++] = zIndex * mTileX + xIndex;
indices[0][indexIndex++] = (zIndex + 1) * mTileX + xIndex;
indices[0][indexIndex++] = zIndex * mTileX + xIndex + 1;
indices[0][indexIndex++] = (zIndex + 1) * mTileX + xIndex;
indices[0][indexIndex++] = (zIndex + 1) * mTileX + xIndex + 1;
indices[0][indexIndex++] = zIndex * mTileX + xIndex + 1;
}
}
indexIndex = 0;
for (unsigned int zIndex = 0; zIndex < mTileZ - 1; zIndex += 2)
{
for (unsigned int xIndex = 0; xIndex < mTileX - 1; xIndex += 2)
{
indices[1][indexIndex++] = zIndex * mTileX + xIndex;
indices[1][indexIndex++] = (zIndex + 2) * mTileX + xIndex;
indices[1][indexIndex++] = zIndex * mTileX + xIndex + 2;
indices[1][indexIndex++] = (zIndex + 2) * mTileX + xIndex;
indices[1][indexIndex++] = (zIndex + 2) * mTileX + xIndex + 2;
indices[1][indexIndex++] = zIndex * mTileX + xIndex + 2;
}
}
indexIndex = 0;
for (unsigned int zIndex = 0; zIndex < mTileZ - 1; zIndex += 4)
{
for (unsigned int xIndex = 0; xIndex < mTileX - 1; xIndex += 4)
{
indices[2][indexIndex++] = zIndex * mTileX + xIndex;
indices[2][indexIndex++] = (zIndex + 4) * mTileX + xIndex;
indices[2][indexIndex++] = zIndex * mTileX + xIndex + 4;
indices[2][indexIndex++] = (zIndex + 4) * mTileX + xIndex;
indices[2][indexIndex++] = (zIndex + 4) * mTileX + xIndex + 4;
indices[2][indexIndex++] = zIndex * mTileX + xIndex + 4;
}
}
float scaleX = mMap->getSize().x / (float)(sizeX - 1);
float scaleZ = mMap->getSize().z / (float)(sizeZ - 1);
for (unsigned int zTile = 0; zTile < (sizeZ - 1); zTile += (mTileZ - 1))
{
for (unsigned int xTile = 0; xTile < (sizeX - 1); xTile += (mTileX - 1))
{
vertexIndex = 0;
for (unsigned int zVertex = zTile; zVertex < zTile + mTileZ; ++zVertex)
{
for (unsigned int xVertex = xTile; xVertex < xTile + mTileX; ++xVertex)
{
float yVertex = mMap->getTerrainData()[zVertex * sizeX + xVertex];
vertices[vertexIndex++] = (float)xVertex * scaleX;
vertices[vertexIndex++] = (float)yVertex;
vertices[vertexIndex++] = (float)zVertex * scaleZ;
vertices[vertexIndex++] = (float)xVertex / (float)(sizeX - 1);
vertices[vertexIndex++] = (float)zVertex / (float)(sizeZ - 1);
vertices[vertexIndex++] = 1.0f;
vertices[vertexIndex++] = 1.0f;
vertices[vertexIndex++] = 1.0f;
vertices[vertexIndex++] = 0.0f;
vertices[vertexIndex++] = 1.0f;
vertices[vertexIndex++] = 0.0f;
}
}
std::string name =
"MapView_" + Convert::ToString(mID) +
"_Tile_" + Convert::ToString(tileIndex);
// Create mesh.
mMeshes[tileIndex] = Ogre::MeshManager::getSingleton().createManual(
name, "General").get();
// Create one submesh.
Ogre::SubMesh* subMesh = mMeshes[tileIndex]->createSubMesh();
// Create vertex data structure for vertices shared between submeshes.
mMeshes[tileIndex]->sharedVertexData = new Ogre::VertexData();
mMeshes[tileIndex]->sharedVertexData->vertexCount = vertexPerTile;
// Create declaration (memory format) of vertex data.
Ogre::VertexDeclaration* decl =
mMeshes[tileIndex]->sharedVertexData->vertexDeclaration;
size_t offset = 0;
// 1st buffer
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_DIFFUSE);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// Allocate vertex buffer of the requested number of vertices (vertexPerTile)
// and bytes per vertex (offset).
Ogre::HardwareVertexBufferSharedPtr vbuf =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
offset, vertexPerTile, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), &(vertices.front()), true);
// Set vertex buffer binding so buffer 0 is bound to our vertex buffer.
Ogre::VertexBufferBinding* bind =
mMeshes[tileIndex]->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
// Allocate index buffer of the requested number of vertices .
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT,
trianglesPerTile * 3,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Upload the index data to the card.
ibuf->writeData(0, ibuf->getSizeInBytes(), &(indices[0].front()), true);
/// Set parameters of the submesh
subMesh->useSharedVertices = true;
subMesh->indexData->indexBuffer = ibuf;
subMesh->indexData->indexCount = indices[0].size();
subMesh->indexData->indexStart = 0;
subMesh->setMaterialName("terrain");
float xMin = vertices[0];
float yMin = vertices[1];
float zMin = vertices[2];
float xMax = vertices[0];
float yMax = vertices[1];
float zMax = vertices[2];
for (unsigned int i = 0; i < vertexPerTile * 11; i += 11)
{
if (vertices[i ] < xMin) xMin = vertices[i ]; else
if (vertices[i ] > xMax) xMax = vertices[i ];
if (vertices[i + 1] < yMin) yMin = vertices[i + 1]; else
if (vertices[i + 1] > yMax) yMax = vertices[i + 1];
if (vertices[i + 2] < zMin) zMin = vertices[i + 2]; else
if (vertices[i + 2] > zMax) zMax = vertices[i + 2];
}
// Set bounding information (for culling).
mMeshes[tileIndex]->_setBounds(Ogre::AxisAlignedBox(xMin, yMin, zMin, xMax, yMax, zMax));
mMeshes[tileIndex]->_setBoundingSphereRadius(1.0f);
// Notify Mesh object that it has been loaded.
mMeshes[tileIndex]->load();
// Create entity.
mEntities[tileIndex] = createEntity(name, name);
mEntities[tileIndex]->setCastShadows(false);
mEntities[tileIndex]->setUserAny(Ogre::Any(this));
// Create scene node.
mSceneNodes[tileIndex] = createSceneNode();
mSceneNodes[tileIndex]->attachObject(mEntities[tileIndex]);
// Advance to next tile.
tileIndex++;
}
}
}
void EMDOgre::createOgreMesh(EMDSubmesh *submesh, string mesh_name) {
string ogre_mesh_name = mesh_name + "_" + submesh->getMaterialName();
Ogre::MeshPtr ogre_mesh = Ogre::MeshManager::getSingleton().createManual(ogre_mesh_name, XENOVIEWER_RESOURCE_GROUP);
LibXenoverse::AABB mesh_aabb;
mesh_aabb.reset();
if (skeleton) {
ogre_mesh->setSkeletonName(skeleton->getName());
}
// Create Vertex Pool
vector<EMDVertex> submesh_vertices = submesh->getVertices();
const size_t nVertices = submesh_vertices.size();
const size_t nVertCount = 8;
const size_t vbufCount = nVertCount*nVertices;
float *vertices = (float *)malloc(sizeof(float)*vbufCount);
for (size_t i = 0; i < nVertices; i++) {
vertices[i*nVertCount] = submesh_vertices[i].x;
vertices[i*nVertCount + 1] = submesh_vertices[i].y;
vertices[i*nVertCount + 2] = submesh_vertices[i].z;
vertices[i*nVertCount + 3] = submesh_vertices[i].nx;
vertices[i*nVertCount + 4] = submesh_vertices[i].ny;
vertices[i*nVertCount + 5] = submesh_vertices[i].nz;
vertices[i*nVertCount + 6] = submesh_vertices[i].u;
vertices[i*nVertCount + 7] = submesh_vertices[i].v;
mesh_aabb.addPoint(submesh_vertices[i].x, submesh_vertices[i].y, submesh_vertices[i].z);
}
// Create Submeshes for each Triangle List
vector<EMDTriangles> submesh_triangles = submesh->getTriangles();
for (size_t i = 0; i < submesh_triangles.size(); i++) {
Ogre::SubMesh *sub = createOgreSubmesh(&submesh_triangles[i], ogre_mesh);
}
// Create Shared Vertex Data for all submeshes
Ogre::VertexData *vertex_data = new Ogre::VertexData();
ogre_mesh->sharedVertexData = vertex_data;
vertex_data->vertexCount = nVertices;
Ogre::VertexDeclaration* decl = vertex_data->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(offset, nVertices, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
Ogre::VertexBufferBinding* bind = vertex_data->vertexBufferBinding;
bind->setBinding(0, vbuf);
// Create Bone Assignments if Skeleton name exists
if (skeleton) {
Ogre::Skeleton *ogre_skeleton = skeleton->getOgreSkeleton();
if (ogre_skeleton) {
for (size_t i = 0; i < submesh_triangles.size(); i++) {
EMDTriangles *triangles = &submesh_triangles[i];
vector<unsigned int> vertex_indices;
size_t face_count = triangles->faces.size();
// Make a list of all vertex indices being used in the submesh
vertex_indices.reserve(face_count);
for (size_t j = 0; j < face_count; j++) {
bool found = false;
for (size_t k = 0; k < vertex_indices.size(); k++) {
if (vertex_indices[k] == triangles->faces[j]) {
found = true;
break;
}
}
if (!found) vertex_indices.push_back(triangles->faces[j]);
}
// Build Bone Mapping Table
vector<unsigned short> bone_table;
bone_table.resize(triangles->bone_names.size());
for (size_t j = 0; j < bone_table.size(); j++) {
string bone_name = triangles->bone_names[j];
LOG_DEBUG("Bone Skin Table %d: %s\n", j, bone_name.c_str());
if (ogre_skeleton->hasBone(bone_name)) {
Ogre::Bone *mBone = ogre_skeleton->getBone(bone_name);
bone_table[j] = mBone->getHandle();
}
else {
LOG_DEBUG("Couldn't find %s in ogre skeleton!\n", bone_name.c_str());
}
}
// Add bone assignments to all the vertices that were found
for (size_t j = 0; j < vertex_indices.size(); j++) {
Ogre::VertexBoneAssignment vba;
vba.vertexIndex = vertex_indices[j];
EMDVertex *vertex = &submesh_vertices[vba.vertexIndex];
for (size_t k = 0; k < 4; k++) {
unsigned char bone_index = vertex->bone[3 - k];
float bone_weight = vertex->bone_weight[k];
if (bone_weight > 0.0f) {
vba.boneIndex = bone_table[bone_index];
vba.weight = bone_weight;
ogre_mesh->addBoneAssignment(vba);
}
}
}
}
// Apply changes, build the buffer
ogre_mesh->_compileBoneAssignments();
ogre_mesh->sharedVertexData->reorganiseBuffers(decl->getAutoOrganisedDeclaration(true, false, false));
}
}
//ogre_mesh->_setBounds(Ogre::AxisAlignedBox(mesh_aabb.start_x, mesh_aabb.start_y, mesh_aabb.start_z, mesh_aabb.end_x, mesh_aabb.end_y, mesh_aabb.end_z));
ogre_mesh->_setBounds(Ogre::AxisAlignedBox(-1000, -1000, -1000, 1000, 1000, 1000));
ogre_mesh->_setBoundingSphereRadius(mesh_aabb.sizeMax());
ogre_mesh->load();
free(vertices);
created_meshes.push_back(ogre_mesh_name);
}
void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape)
{
const Nif::NiTriShapeData *data = shape->data.getPtr();
const Nif::NiSkinInstance *skin = (shape->skin.empty() ? NULL : shape->skin.getPtr());
std::vector<Ogre::Vector3> srcVerts = data->vertices;
std::vector<Ogre::Vector3> srcNorms = data->normals;
Ogre::HardwareBuffer::Usage vertUsage = Ogre::HardwareBuffer::HBU_STATIC;
bool vertShadowBuffer = false;
bool geomMorpherController = false;
if(!shape->controller.empty())
{
Nif::ControllerPtr ctrl = shape->controller;
do {
if(ctrl->recType == Nif::RC_NiGeomMorpherController)
{
vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
vertShadowBuffer = true;
geomMorpherController = true;
break;
}
} while(!(ctrl=ctrl->next).empty());
}
if(skin != NULL)
{
vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
vertShadowBuffer = true;
// Only set a skeleton when skinning. Unskinned meshes with a skeleton will be
// explicitly attached later.
mesh->setSkeletonName(mName);
// Convert vertices and normals to bone space from bind position. It would be
// better to transform the bones into bind position, but there doesn't seem to
// be a reliable way to do that.
std::vector<Ogre::Vector3> newVerts(srcVerts.size(), Ogre::Vector3(0.0f));
std::vector<Ogre::Vector3> newNorms(srcNorms.size(), Ogre::Vector3(0.0f));
const Nif::NiSkinData *data = skin->data.getPtr();
const Nif::NodeList &bones = skin->bones;
for(size_t b = 0;b < bones.length();b++)
{
Ogre::Matrix4 mat;
mat.makeTransform(data->bones[b].trafo.trans, Ogre::Vector3(data->bones[b].trafo.scale),
Ogre::Quaternion(data->bones[b].trafo.rotation));
mat = bones[b]->getWorldTransform() * mat;
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[b].weights;
for(size_t i = 0;i < weights.size();i++)
{
size_t index = weights[i].vertex;
float weight = weights[i].weight;
newVerts.at(index) += (mat*srcVerts[index]) * weight;
if(newNorms.size() > index)
{
Ogre::Vector4 vec4(srcNorms[index][0], srcNorms[index][1], srcNorms[index][2], 0.0f);
vec4 = mat*vec4 * weight;
newNorms[index] += Ogre::Vector3(&vec4[0]);
}
}
}
srcVerts = newVerts;
srcNorms = newNorms;
}
else
{
Ogre::SkeletonManager *skelMgr = Ogre::SkeletonManager::getSingletonPtr();
if(skelMgr->getByName(mName).isNull())
{
// No skinning and no skeleton, so just transform the vertices and
// normals into position.
Ogre::Matrix4 mat4 = shape->getWorldTransform();
for(size_t i = 0;i < srcVerts.size();i++)
{
Ogre::Vector4 vec4(srcVerts[i].x, srcVerts[i].y, srcVerts[i].z, 1.0f);
vec4 = mat4*vec4;
srcVerts[i] = Ogre::Vector3(&vec4[0]);
}
for(size_t i = 0;i < srcNorms.size();i++)
{
Ogre::Vector4 vec4(srcNorms[i].x, srcNorms[i].y, srcNorms[i].z, 0.0f);
vec4 = mat4*vec4;
srcNorms[i] = Ogre::Vector3(&vec4[0]);
}
}
}
// Set the bounding box first
BoundsFinder bounds;
bounds.add(&srcVerts[0][0], srcVerts.size());
if(!bounds.isValid())
{
float v[3] = { 0.0f, 0.0f, 0.0f };
bounds.add(&v[0], 1);
}
mesh->_setBounds(Ogre::AxisAlignedBox(bounds.minX()-0.5f, bounds.minY()-0.5f, bounds.minZ()-0.5f,
bounds.maxX()+0.5f, bounds.maxY()+0.5f, bounds.maxZ()+0.5f));
mesh->_setBoundingSphereRadius(bounds.getRadius());
// This function is just one long stream of Ogre-barf, but it works
// great.
Ogre::HardwareBufferManager *hwBufMgr = Ogre::HardwareBufferManager::getSingletonPtr();
Ogre::HardwareVertexBufferSharedPtr vbuf;
Ogre::HardwareIndexBufferSharedPtr ibuf;
Ogre::VertexBufferBinding *bind;
Ogre::VertexDeclaration *decl;
int nextBuf = 0;
Ogre::SubMesh *sub = mesh->createSubMesh();
// Add vertices
sub->useSharedVertices = false;
sub->vertexData = new Ogre::VertexData();
sub->vertexData->vertexStart = 0;
sub->vertexData->vertexCount = srcVerts.size();
decl = sub->vertexData->vertexDeclaration;
bind = sub->vertexData->vertexBufferBinding;
if(srcVerts.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcVerts.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcVerts[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
bind->setBinding(nextBuf++, vbuf);
}
// Vertex normals
if(srcNorms.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcNorms.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcNorms[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
bind->setBinding(nextBuf++, vbuf);
}
// Vertex colors
const std::vector<Ogre::Vector4> &colors = data->colors;
if(colors.size())
{
Ogre::RenderSystem *rs = Ogre::Root::getSingleton().getRenderSystem();
std::vector<Ogre::RGBA> colorsRGB(colors.size());
for(size_t i = 0;i < colorsRGB.size();i++)
{
Ogre::ColourValue clr(colors[i][0], colors[i][1], colors[i][2], colors[i][3]);
rs->convertColourValue(clr, &colorsRGB[i]);
}
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR),
colorsRGB.size(), Ogre::HardwareBuffer::HBU_STATIC);
vbuf->writeData(0, vbuf->getSizeInBytes(), &colorsRGB[0], true);
decl->addElement(nextBuf, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
bind->setBinding(nextBuf++, vbuf);
}
// Texture UV coordinates
size_t numUVs = data->uvlist.size();
if (numUVs)
{
size_t elemSize = Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
for(size_t i = 0; i < numUVs; i++)
decl->addElement(nextBuf, elemSize*i, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, i);
vbuf = hwBufMgr->createVertexBuffer(decl->getVertexSize(nextBuf), srcVerts.size(),
Ogre::HardwareBuffer::HBU_STATIC);
std::vector<Ogre::Vector2> allUVs;
allUVs.reserve(srcVerts.size()*numUVs);
for (size_t vert = 0; vert<srcVerts.size(); ++vert)
for(size_t i = 0; i < numUVs; i++)
allUVs.push_back(data->uvlist[i][vert]);
vbuf->writeData(0, elemSize*srcVerts.size()*numUVs, &allUVs[0], true);
bind->setBinding(nextBuf++, vbuf);
}
// Triangle faces
const std::vector<short> &srcIdx = data->triangles;
if(srcIdx.size())
{
ibuf = hwBufMgr->createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, srcIdx.size(),
Ogre::HardwareBuffer::HBU_STATIC);
ibuf->writeData(0, ibuf->getSizeInBytes(), &srcIdx[0], true);
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = srcIdx.size();
sub->indexData->indexStart = 0;
}
// Assign bone weights for this TriShape
if(skin != NULL)
{
Ogre::SkeletonPtr skel = Ogre::SkeletonManager::getSingleton().getByName(mName);
const Nif::NiSkinData *data = skin->data.getPtr();
const Nif::NodeList &bones = skin->bones;
for(size_t i = 0;i < bones.length();i++)
{
Ogre::VertexBoneAssignment boneInf;
boneInf.boneIndex = skel->getBone(bones[i]->name)->getHandle();
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[i].weights;
for(size_t j = 0;j < weights.size();j++)
{
boneInf.vertexIndex = weights[j].vertex;
boneInf.weight = weights[j].weight;
sub->addBoneAssignment(boneInf);
}
}
}
const Nif::NiTexturingProperty *texprop = NULL;
const Nif::NiMaterialProperty *matprop = NULL;
const Nif::NiAlphaProperty *alphaprop = NULL;
const Nif::NiVertexColorProperty *vertprop = NULL;
const Nif::NiZBufferProperty *zprop = NULL;
const Nif::NiSpecularProperty *specprop = NULL;
const Nif::NiWireframeProperty *wireprop = NULL;
bool needTangents = false;
shape->getProperties(texprop, matprop, alphaprop, vertprop, zprop, specprop, wireprop);
std::string matname = NIFMaterialLoader::getMaterial(data, mesh->getName(), mGroup,
texprop, matprop, alphaprop,
vertprop, zprop, specprop,
wireprop, needTangents);
if(matname.length() > 0)
sub->setMaterialName(matname);
// build tangents if the material needs them
if (needTangents)
{
unsigned short src,dest;
if (!mesh->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src,dest))
mesh->buildTangentVectors(Ogre::VES_TANGENT, src,dest);
}
// Create a dummy vertex animation track if there's a geom morpher controller
// This is required to make Ogre create the buffers we will use for software vertex animation
if (srcVerts.size() && geomMorpherController)
mesh->createAnimation("dummy", 0)->createVertexTrack(1, sub->vertexData, Ogre::VAT_MORPH);
}
Ogre::SceneNode *TutorialApplication::loadBSP(std::shared_ptr<l2p::UModel> m, bool ignoreNonVisible) {
l2p::Name name = m->package->name;
std::vector<float> vertex_data;
std::vector<uint32_t> index_buf;
l2p::Box bounds;
// Build vertex and index buffer.
for (auto ni = m->nodes.begin(), ne = m->nodes.end(); ni != ne; ++ni) {
l2p::BSPNode &n = *ni;
l2p::BSPSurface &s = m->surfaces[n.surface];
if (ignoreNonVisible && ignoreNode(m.get(), n, s))
continue;
uint32_t vert_start = vertex_data.size() / 8;
const Ogre::Vector3 uvec = ogre_cast(m->vectors[s.U]);
const Ogre::Vector3 vvec = ogre_cast(m->vectors[s.V]);
const Ogre::Vector3 base = ogre_cast(m->points[s.base]);
int usize = 0;
int vsize = 0;
std::shared_ptr<l2p::UTexture> mat = s.material;
if (mat) {
usize = mat->USize;
vsize = mat->VSize;
}
if (usize == 0 || vsize == 0)
usize = vsize = 64;
// Vertex buffer.
if (n.num_verticies > 0) {
l2p::Vector Normal = m->vectors[s.normal];
for (uint32_t vert_index = 0; vert_index < n.num_verticies; ++vert_index) {
const l2p::Vector &pos = m->points[m->vertexes[n.vert_pool + vert_index].vertex];
const Ogre::Vector3 dist(ogre_cast(pos) - base);
const Ogre::Vector2 tcoord((dist | uvec) / float(usize), (dist | vvec) / float(vsize));
bounds += pos;
vertex_data.push_back(pos.X);
vertex_data.push_back(pos.Y);
vertex_data.push_back(pos.Z);
vertex_data.push_back(Normal.X);
vertex_data.push_back(Normal.Y);
vertex_data.push_back(Normal.Z);
vertex_data.push_back(tcoord.x);
vertex_data.push_back(tcoord.y);
}
if (s.flags & l2p::PF_TwoSided) {
for (uint32_t vert_index = 0; vert_index < n.num_verticies; ++vert_index) {
const l2p::Vector &pos = m->points[m->vertexes[n.vert_pool + vert_index].vertex];
const Ogre::Vector3 dist(ogre_cast(pos) - base);
const Ogre::Vector2 tcoord((dist | uvec) / float(usize), (dist | vvec) / float(vsize));
vertex_data.push_back(pos.X);
vertex_data.push_back(pos.Y);
vertex_data.push_back(pos.Z);
vertex_data.push_back(Normal.X);
vertex_data.push_back(Normal.Y);
vertex_data.push_back(-Normal.Z);
vertex_data.push_back(tcoord.x);
vertex_data.push_back(tcoord.y);
}
}
}
// Index buffer.
for (int verti = 2; verti < n.num_verticies; ++verti) {
index_buf.push_back(vert_start);
index_buf.push_back(vert_start + verti - 1);
index_buf.push_back(vert_start + verti);
}
if (s.flags & l2p::PF_TwoSided) {
for (int verti = 2; verti < n.num_verticies; ++verti) {
index_buf.push_back(vert_start);
index_buf.push_back(vert_start + verti);
index_buf.push_back(vert_start + verti - 1);
}
}
}
if (vertex_data.size() == 0 || index_buf.size() == 0)
return nullptr;
Ogre::MeshPtr mesh = Ogre::MeshManager::getSingleton().createManual(Ogre::String(name) + Ogre::String(m->name), "General");
Ogre::VertexData *data = new Ogre::VertexData();
mesh->sharedVertexData = data;
data->vertexCount = vertex_data.size() / 8;
Ogre::VertexDeclaration *decl = data->vertexDeclaration;
uint32_t offset = 0;
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
Ogre::HardwareVertexBufferSharedPtr vbuf =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
offset,
data->vertexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), &vertex_data.front(), true);
data->vertexBufferBinding->setBinding(0, vbuf);
// Setup index buffer.
Ogre::HardwareIndexBufferSharedPtr ibuf =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_32BIT,
index_buf.size(),
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ibuf->writeData(0, ibuf->getSizeInBytes(), &index_buf.front(), true);
Ogre::SubMesh *subMesh = mesh->createSubMesh();
subMesh->useSharedVertices = true;
subMesh->indexData->indexBuffer = ibuf;
subMesh->indexData->indexCount = index_buf.size();
subMesh->indexData->indexStart = 0;
mesh->_setBounds(Ogre::AxisAlignedBox(bounds.min.X, bounds.min.Y, bounds.min.Z, bounds.max.X, bounds.max.Y, bounds.max.Z));
mesh->_setBoundingSphereRadius((std::max(bounds.max.X - bounds.min.X, std::max(bounds.max.Y - bounds.min.Y, bounds.max.Z - bounds.min.Z))) / 2.0);
mesh->load();
Ogre::Entity *ent = mSceneMgr->createEntity(Ogre::String(name) + Ogre::String(m->name) + "E", Ogre::String(name) + Ogre::String(m->name));
ent->setUserAny(Ogre::Any(static_cast<l2p::UObject*>(m.get())));
ent->setMaterialName("StaticMesh/Default");
Ogre::SceneNode *node = mUnrealCordNode->createChildSceneNode();
node->attachObject(ent);
return node;
}
void ChunkBase::generateMesh()
{
if (!mIsModified) return;
generateVertices();
if (isEmpty) {
return;
}
uint32_t numVertices, numIndices;
if (mNumVertices > DefaultFaces * 4) {
// more vertices than the default buffer can hold -> allocate new one;
if (mVertexBufferCreated) {
removeMesh();
}
numVertices = mNumVertices;
numIndices = mNumIndices;
} else {
numVertices = DefaultFaces * 4;
numIndices = DefaultFaces * 6;
}
if (!mVertexBufferCreated) {
mMeshPtr = Ogre::MeshManager::getSingleton().createManual(mChunkName, "Game");
Ogre::SubMesh* sub = mMeshPtr->createSubMesh();
/// Create vertex data structure for 8 vertices shared between submeshes
mMeshPtr->sharedVertexData = new Ogre::VertexData();
mMeshPtr->sharedVertexData->vertexCount = mNumVertices;
/// Create declaration (memory format) of vertex data
Ogre::VertexDeclaration* decl = mMeshPtr->sharedVertexData->vertexDeclaration;
size_t offset = 0;
// 1st buffer
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
/// Allocate vertex buffer of the requested number of vertices (vertexCount) and bytes per vertex (offset)
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(offset, numVertices, Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
/// Upload the vertex data to the card
vbuf->writeData(0, (decl->getVertexSize(0) * mNumVertices), mVertices, true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
Ogre::VertexBufferBinding* bind = mMeshPtr->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
/// Allocate index buffer of the requested number of vertices (ibufCount)
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, numIndices, Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
/// Upload the index data to the card
ibuf->writeData(0, (ibuf->getIndexSize() * mNumIndices), mIndices, true);
/// Set parameters of the submesh
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = mNumIndices;
/// Set bounding information (for culling)
mMeshPtr->_setBounds(Ogre::AxisAlignedBox(0, 0, 0, Ogre::Real(ChunkSizeX), Ogre::Real(mHighestCube), Ogre::Real(ChunkSizeZ)));
mMeshPtr->_setBoundingSphereRadius((Ogre::Real) std::sqrt((float) (2 * 16 * 16 + 128 * 128)));
/// Notify -Mesh object that it has been loaded
mMeshPtr->load();
mVertexBufferCreated = true;
} else {
Ogre::VertexDeclaration* decl = mMeshPtr->sharedVertexData->vertexDeclaration;
mMeshPtr->sharedVertexData->vertexCount = mNumVertices;
Ogre::SubMesh* sub = mMeshPtr->getSubMesh(0);
sub->indexData->indexCount = mNumIndices;
/// Upload the new vertex data to the card
Ogre::HardwareVertexBufferSharedPtr vbuf = mMeshPtr->sharedVertexData->vertexBufferBinding->getBuffer(0);
vbuf->writeData(0, (decl->getVertexSize(0) * mNumVertices), mVertices, true);
/// Upload the index data to the card
Ogre::HardwareIndexBufferSharedPtr ibuf = sub->indexData->indexBuffer;
ibuf->writeData(0, (ibuf->getIndexSize() * mNumIndices), mIndices, true);
mMeshPtr->_setBounds(Ogre::AxisAlignedBox(0, 0, 0, Ogre::Real(ChunkSizeX), Ogre::Real(mHighestCube), Ogre::Real(ChunkSizeZ)));
mMeshPtr->load();
}
}
void WaterObjectView::createLine()
{
size_t verticesCount = ((mWaterObject->getPointCount() - 1) * mSegments + 1) * 2;
size_t verticesSize = verticesCount * 5;
size_t indicesSize = ((mWaterObject->getPointCount() - 1) * mSegments) * 6;
verticesCount = mWaterObject->getPointCount() * 2;
verticesSize = verticesCount * 5;
indicesSize = (mWaterObject->getPointCount() - 1) * 6;
Ogre::Real* vertices = new Ogre::Real[verticesSize];
Ogre::uint16* indices = new Ogre::uint16[indicesSize];
unsigned int i, index = 0;
// Prepare vertices.
for (i = 0; i < mWaterObject->getPointCount(); ++i)
{
const Point3D& point3D = mWaterObject->getPoint(i);
vertices[index++] = point3D.x - mWaterObject->getWidth() * 0.5f;
vertices[index++] = point3D.y;
vertices[index++] = point3D.z + 1.0f;
vertices[index++] = point3D.x - mWaterObject->getWidth() * 0.5f;;
vertices[index++] = point3D.z;
vertices[index++] = point3D.x + mWaterObject->getWidth() * 0.5f;
vertices[index++] = point3D.y;
vertices[index++] = point3D.z + 1.0f;
vertices[index++] = point3D.x + mWaterObject->getWidth() * 0.5f;
vertices[index++] = point3D.z;
}
index = 0;
// Prepare indices.
for (i = 0; i < verticesCount - 2; i += 2)
{
indices[index++] = (Ogre::uint16)i;
indices[index++] = (Ogre::uint16)i + 2;
indices[index++] = (Ogre::uint16)i + 1;
indices[index++] = (Ogre::uint16)i + 2;
indices[index++] = (Ogre::uint16)i + 3;
indices[index++] = (Ogre::uint16)i + 1;
}
// Create mesh.
mMesh = Ogre::MeshManager::getSingleton().createManual(
Ogre::StringConverter::toString(mID), "General").get();
// Create one submesh.
Ogre::SubMesh* sub = mMesh->createSubMesh();
// Create vertex data structure for 8 vertices shared between submeshes.
mMesh->sharedVertexData = new Ogre::VertexData();
mMesh->sharedVertexData->vertexCount = verticesCount;
// Create declaration (memory format) of vertex data.
Ogre::VertexDeclaration* decl = mMesh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
// 1st buffer
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
Ogre::HardwareVertexBufferSharedPtr vbuf =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
offset, mMesh->sharedVertexData->vertexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
Ogre::VertexBufferBinding* bind =
mMesh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
/// Allocate index buffer of the requested number of vertices (ibufCount).
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT,
indicesSize,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the index data to the card.
ibuf->writeData(0, ibuf->getSizeInBytes(), indices, true);
/// Set parameters of the submesh.
sub->useSharedVertices = true;
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = indicesSize;
sub->indexData->indexStart = 0;
sub->setMaterialName("Ocean2_Cg");
float xMin = vertices[0];
float yMin = vertices[1];
float zMin = vertices[2];
float xMax = vertices[0];
float yMax = vertices[1];
float zMax = vertices[2];
for (i = 0; i < verticesSize; i += 5)
{
if (vertices[i ] < xMin) xMin = vertices[i ]; else
if (vertices[i ] > xMax) xMax = vertices[i ];
if (vertices[i + 1] < yMin) yMin = vertices[i + 1]; else
if (vertices[i + 1] > yMax) yMax = vertices[i + 1];
if (vertices[i + 2] < zMin) zMin = vertices[i + 2]; else
if (vertices[i + 2] > zMax) zMax = vertices[i + 2];
}
/// Set bounding information (for culling).
mMesh->_setBounds(Ogre::AxisAlignedBox(xMin, yMin, zMin, xMax, yMax, zMax));
mMesh->_setBoundingSphereRadius(1.0f);
/// Notify Mesh object that it has been loaded.
mMesh->load();
delete [] vertices;
delete [] indices;
}