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BL_BlenderDataConversion.cpp
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BL_BlenderDataConversion.cpp
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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
* Convert blender data to ketsji
*/
/** \file gameengine/Converter/BL_BlenderDataConversion.cpp
* \ingroup bgeconv
*/
#ifdef _MSC_VER
# pragma warning (disable:4786)
#endif
/* Since threaded object update we've disabled in-place
* curve evaluation (in cases when applying curve modifier
* with target curve non-evaluated yet).
*
* This requires game engine to take care of DAG and object
* evaluation (currently it's designed to export only objects
* it able to render).
*
* This workaround will make sure that curve_cache for curves
* is up-to-date.
*/
#define THREADED_DAG_WORKAROUND
#include <math.h>
#include <vector>
#include <algorithm>
#include "mathfu.h"
#include "PHY_IPhysicsEnvironment.h"
#include "DummyPhysicsEnvironment.h"
#ifdef WITH_BULLET
# include "CcdPhysicsEnvironment.h"
# include "CcdGraphicController.h"
#endif
#include "RAS_Rasterizer.h"
#include "RAS_ILightObject.h"
#include "RAS_ICanvas.h"
#include "RAS_BucketManager.h"
#include "RAS_BoundingBoxManager.h"
#include "RAS_IMaterial.h"
#include "SG_Node.h"
#include "SG_BBox.h"
#include "SCA_LogicManager.h"
#include "SCA_TimeEventManager.h"
#include "KX_SoftBodyDeformer.h"
#include "KX_ClientObjectInfo.h"
#include "KX_Scene.h"
#include "KX_GameObject.h"
#include "KX_LightObject.h"
#include "KX_Camera.h"
#include "KX_EmptyObject.h"
#include "KX_FontObject.h"
#include "KX_LodManager.h"
#include "KX_PythonComponent.h"
#include "KX_WorldInfo.h"
#include "KX_Mesh.h"
#include "KX_BlenderMaterial.h"
#include "KX_TextureRendererManager.h"
#include "KX_Globals.h"
#include "KX_PyConstraintBinding.h"
#include "KX_KetsjiEngine.h"
#include "KX_NodeRelationships.h"
#include "KX_BoneParentNodeRelationship.h"
#include "KX_MotionState.h"
#include "KX_NavMeshObject.h"
#include "KX_ObstacleSimulation.h"
#include "BL_BlenderDataConversion.h"
#include "BL_ModifierDeformer.h"
#include "BL_ShapeDeformer.h"
#include "BL_SkinDeformer.h"
#include "BL_MeshDeformer.h"
#include "BL_Texture.h"
#include "BL_SceneConverter.h"
#include "BL_ConvertActuators.h"
#include "BL_ConvertControllers.h"
#include "BL_ConvertSensors.h"
#include "BL_ConvertProperties.h"
#include "BL_ConvertObjectInfo.h"
#include "BL_ArmatureObject.h"
#include "BL_ActionData.h"
#include "LA_SystemCommandLine.h"
#include "CM_Message.h"
#include "GPU_texture.h"
// This little block needed for linking to Blender...
#ifdef WIN32
#include "BLI_winstuff.h"
#endif
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_threads.h"
#include "DNA_object_types.h"
#include "DNA_material_types.h"
#include "DNA_texture_types.h"
#include "DNA_image_types.h"
#include "DNA_lamp_types.h"
#include "DNA_group_types.h"
#include "DNA_scene_types.h"
#include "DNA_camera_types.h"
#include "DNA_property_types.h"
#include "DNA_text_types.h"
#include "DNA_sensor_types.h"
#include "DNA_controller_types.h"
#include "DNA_actuator_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_view3d_types.h"
#include "DNA_world_types.h"
#include "DNA_sound_types.h"
#include "DNA_key_types.h"
#include "DNA_armature_types.h"
#include "DNA_action_types.h"
#include "DNA_object_force_types.h"
#include "DNA_constraint_types.h"
#include "DNA_python_component_types.h"
#include "MEM_guardedalloc.h"
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_object.h"
#include "BKE_python_component.h"
#include "BKE_key.h"
#include "BKE_mesh.h"
extern "C" {
# include "BKE_scene.h"
# include "BKE_customdata.h"
# include "BKE_cdderivedmesh.h"
# include "BKE_DerivedMesh.h"
# include "BKE_material.h" // Needed for give_current_material.
# include "BKE_image.h"
# include "IMB_imbuf_types.h"
# include "BKE_displist.h"
extern Material defmaterial;
}
#include "wm_event_types.h"
// For construction to find shared vertices.
struct BL_SharedVertex {
RAS_DisplayArray *array;
unsigned int offset;
};
using BL_SharedVertexList = std::vector<BL_SharedVertex>;
using BL_SharedVertexMap = std::vector<BL_SharedVertexList>;
class BL_SharedVertexPredicate
{
private:
RAS_DisplayArray *m_array;
mt::vec3_packed m_normal;
mt::vec4_packed m_tangent;
mt::vec2_packed m_uvs[RAS_Texture::MaxUnits];
unsigned int m_colors[RAS_Texture::MaxUnits];
public:
BL_SharedVertexPredicate(RAS_DisplayArray *array, const mt::vec3_packed& normal, const mt::vec4_packed& tangent, mt::vec2_packed uvs[], unsigned int colors[])
:m_array(array),
m_normal(normal),
m_tangent(tangent)
{
const RAS_DisplayArray::Format& format = m_array->GetFormat();
for (unsigned short i = 0, size = format.uvSize; i < size; ++i) {
m_uvs[i] = uvs[i];
}
for (unsigned short i = 0, size = format.colorSize; i < size; ++i) {
m_colors[i] = colors[i];
}
}
bool operator()(const BL_SharedVertex& sharedVert) const
{
RAS_DisplayArray *otherArray = sharedVert.array;
if (m_array != otherArray) {
return false;
}
const unsigned int offset = sharedVert.offset;
static const float eps = FLT_EPSILON;
if (!compare_v3v3(m_array->GetNormal(offset).data, m_normal.data, eps) ||
!compare_v3v3(m_array->GetTangent(offset).data, m_tangent.data, eps))
{
return false;
}
const RAS_DisplayArray::Format& format = m_array->GetFormat();
for (unsigned short i = 0, size = format.uvSize; i < size; ++i) {
if (!compare_v2v2(m_array->GetUv(offset, i).data, m_uvs[i].data, eps)) {
return false;
}
}
for (unsigned short i = 0, size = format.colorSize; i < size; ++i) {
if (m_array->GetRawColor(offset, i) != m_colors[i]) {
return false;
}
}
return true;
}
};
/* The reverse table. In order to not confuse ourselves, we
* immediately convert all events that come in to KX codes. */
static std::map<int, SCA_IInputDevice::SCA_EnumInputs> gReverseKeyTranslateTable = {
{LEFTMOUSE, SCA_IInputDevice::LEFTMOUSE},
{MIDDLEMOUSE, SCA_IInputDevice::MIDDLEMOUSE},
{RIGHTMOUSE, SCA_IInputDevice::RIGHTMOUSE},
{WHEELUPMOUSE, SCA_IInputDevice::WHEELUPMOUSE},
{WHEELDOWNMOUSE, SCA_IInputDevice::WHEELDOWNMOUSE},
{MOUSEMOVE, SCA_IInputDevice::MOUSEX},
{ACTIONMOUSE, SCA_IInputDevice::MOUSEY},
// Standard keyboard.
{AKEY, SCA_IInputDevice::AKEY},
{BKEY, SCA_IInputDevice::BKEY},
{CKEY, SCA_IInputDevice::CKEY},
{DKEY, SCA_IInputDevice::DKEY},
{EKEY, SCA_IInputDevice::EKEY},
{FKEY, SCA_IInputDevice::FKEY},
{GKEY, SCA_IInputDevice::GKEY},
{HKEY, SCA_IInputDevice::HKEY_},
{IKEY, SCA_IInputDevice::IKEY},
{JKEY, SCA_IInputDevice::JKEY},
{KKEY, SCA_IInputDevice::KKEY},
{LKEY, SCA_IInputDevice::LKEY},
{MKEY, SCA_IInputDevice::MKEY},
{NKEY, SCA_IInputDevice::NKEY},
{OKEY, SCA_IInputDevice::OKEY},
{PKEY, SCA_IInputDevice::PKEY},
{QKEY, SCA_IInputDevice::QKEY},
{RKEY, SCA_IInputDevice::RKEY},
{SKEY, SCA_IInputDevice::SKEY},
{TKEY, SCA_IInputDevice::TKEY},
{UKEY, SCA_IInputDevice::UKEY},
{VKEY, SCA_IInputDevice::VKEY},
{WKEY, SCA_IInputDevice::WKEY},
{XKEY, SCA_IInputDevice::XKEY},
{YKEY, SCA_IInputDevice::YKEY},
{ZKEY, SCA_IInputDevice::ZKEY},
{ZEROKEY, SCA_IInputDevice::ZEROKEY},
{ONEKEY, SCA_IInputDevice::ONEKEY},
{TWOKEY, SCA_IInputDevice::TWOKEY},
{THREEKEY, SCA_IInputDevice::THREEKEY},
{FOURKEY, SCA_IInputDevice::FOURKEY},
{FIVEKEY, SCA_IInputDevice::FIVEKEY},
{SIXKEY, SCA_IInputDevice::SIXKEY},
{SEVENKEY, SCA_IInputDevice::SEVENKEY},
{EIGHTKEY, SCA_IInputDevice::EIGHTKEY},
{NINEKEY, SCA_IInputDevice::NINEKEY},
{CAPSLOCKKEY, SCA_IInputDevice::CAPSLOCKKEY},
{LEFTCTRLKEY, SCA_IInputDevice::LEFTCTRLKEY},
{LEFTALTKEY, SCA_IInputDevice::LEFTALTKEY},
{RIGHTALTKEY, SCA_IInputDevice::RIGHTALTKEY},
{RIGHTCTRLKEY, SCA_IInputDevice::RIGHTCTRLKEY},
{RIGHTSHIFTKEY, SCA_IInputDevice::RIGHTSHIFTKEY},
{LEFTSHIFTKEY, SCA_IInputDevice::LEFTSHIFTKEY},
{ESCKEY, SCA_IInputDevice::ESCKEY},
{TABKEY, SCA_IInputDevice::TABKEY},
{RETKEY, SCA_IInputDevice::RETKEY},
{SPACEKEY, SCA_IInputDevice::SPACEKEY},
{LINEFEEDKEY, SCA_IInputDevice::LINEFEEDKEY},
{BACKSPACEKEY, SCA_IInputDevice::BACKSPACEKEY},
{DELKEY, SCA_IInputDevice::DELKEY},
{SEMICOLONKEY, SCA_IInputDevice::SEMICOLONKEY},
{PERIODKEY, SCA_IInputDevice::PERIODKEY},
{COMMAKEY, SCA_IInputDevice::COMMAKEY},
{QUOTEKEY, SCA_IInputDevice::QUOTEKEY},
{ACCENTGRAVEKEY, SCA_IInputDevice::ACCENTGRAVEKEY},
{MINUSKEY, SCA_IInputDevice::MINUSKEY},
{SLASHKEY, SCA_IInputDevice::SLASHKEY},
{BACKSLASHKEY, SCA_IInputDevice::BACKSLASHKEY},
{EQUALKEY, SCA_IInputDevice::EQUALKEY},
{LEFTBRACKETKEY, SCA_IInputDevice::LEFTBRACKETKEY},
{RIGHTBRACKETKEY, SCA_IInputDevice::RIGHTBRACKETKEY},
{LEFTARROWKEY, SCA_IInputDevice::LEFTARROWKEY},
{DOWNARROWKEY, SCA_IInputDevice::DOWNARROWKEY},
{RIGHTARROWKEY, SCA_IInputDevice::RIGHTARROWKEY},
{UPARROWKEY, SCA_IInputDevice::UPARROWKEY},
{PAD2, SCA_IInputDevice::PAD2},
{PAD4, SCA_IInputDevice::PAD4},
{PAD6, SCA_IInputDevice::PAD6},
{PAD8, SCA_IInputDevice::PAD8},
{PAD1, SCA_IInputDevice::PAD1},
{PAD3, SCA_IInputDevice::PAD3},
{PAD5, SCA_IInputDevice::PAD5},
{PAD7, SCA_IInputDevice::PAD7},
{PAD9, SCA_IInputDevice::PAD9},
{PADPERIOD, SCA_IInputDevice::PADPERIOD},
{PADSLASHKEY, SCA_IInputDevice::PADSLASHKEY},
{PADASTERKEY, SCA_IInputDevice::PADASTERKEY},
{PAD0, SCA_IInputDevice::PAD0},
{PADMINUS, SCA_IInputDevice::PADMINUS},
{PADENTER, SCA_IInputDevice::PADENTER},
{PADPLUSKEY, SCA_IInputDevice::PADPLUSKEY},
{F1KEY, SCA_IInputDevice::F1KEY},
{F2KEY, SCA_IInputDevice::F2KEY},
{F3KEY, SCA_IInputDevice::F3KEY},
{F4KEY, SCA_IInputDevice::F4KEY},
{F5KEY, SCA_IInputDevice::F5KEY},
{F6KEY, SCA_IInputDevice::F6KEY},
{F7KEY, SCA_IInputDevice::F7KEY},
{F8KEY, SCA_IInputDevice::F8KEY},
{F9KEY, SCA_IInputDevice::F9KEY},
{F10KEY, SCA_IInputDevice::F10KEY},
{F11KEY, SCA_IInputDevice::F11KEY},
{F12KEY, SCA_IInputDevice::F12KEY},
{F13KEY, SCA_IInputDevice::F13KEY},
{F14KEY, SCA_IInputDevice::F14KEY},
{F15KEY, SCA_IInputDevice::F15KEY},
{F16KEY, SCA_IInputDevice::F16KEY},
{F17KEY, SCA_IInputDevice::F17KEY},
{F18KEY, SCA_IInputDevice::F18KEY},
{F19KEY, SCA_IInputDevice::F19KEY},
{OSKEY, SCA_IInputDevice::OSKEY},
{PAUSEKEY, SCA_IInputDevice::PAUSEKEY},
{INSERTKEY, SCA_IInputDevice::INSERTKEY},
{HOMEKEY, SCA_IInputDevice::HOMEKEY},
{PAGEUPKEY, SCA_IInputDevice::PAGEUPKEY},
{PAGEDOWNKEY, SCA_IInputDevice::PAGEDOWNKEY},
{ENDKEY, SCA_IInputDevice::ENDKEY}
};
SCA_IInputDevice::SCA_EnumInputs BL_ConvertKeyCode(int key_code)
{
return gReverseKeyTranslateTable[key_code];
}
static void BL_GetUvRgba(const RAS_Mesh::LayersInfo& layersInfo, std::vector<MLoopUV *>& uvLayers,
std::vector<MLoopCol *>& colorLayers, unsigned int loop, mt::vec2_packed uvs[RAS_Texture::MaxUnits],
unsigned int rgba[RAS_Texture::MaxUnits])
{
// No need to initialize layers to zero as all the converted layer are all the layers needed.
for (const RAS_Mesh::Layer& layer : layersInfo.colorLayers) {
const unsigned short index = layer.index;
const MLoopCol& col = colorLayers[index][loop];
union Convert
{
// Color isn't swapped in MLoopCol.
MLoopCol col;
unsigned int val;
};
Convert con;
con.col = col;
rgba[index] = con.val;
}
for (const RAS_Mesh::Layer& layer : layersInfo.uvLayers) {
const unsigned short index = layer.index;
const MLoopUV& uv = uvLayers[index][loop];
uvs[index] = mt::vec2_packed(uv.uv);
}
/* All vertices have at least one uv and color layer accessible to the user
* even if it they are not used in any shaders. Initialize this layer to zero
* when no uv or color layer exist.
*/
if (layersInfo.uvLayers.empty()) {
uvs[0] = mt::zero2;
}
if (layersInfo.colorLayers.empty()) {
rgba[0] = 0xFFFFFFFF;
}
}
static RAS_MaterialBucket *BL_ConvertMaterial(Material *ma, KX_Scene *scene, BL_SceneConverter& converter)
{
KX_BlenderMaterial *mat = converter.FindMaterial(ma);
if (!mat) {
std::string name = ma->id.name;
// Always ensure that the name of a material start with "MA" prefix due to video texture name check.
if (name.empty()) {
name = "MA";
}
mat = new KX_BlenderMaterial(ma, name, scene);
// this is needed to free up memory afterwards.
converter.RegisterMaterial(mat, ma);
}
// see if a bucket was reused or a new one was created
// this way only one KX_BlenderMaterial object has to exist per bucket
bool bucketCreated;
RAS_MaterialBucket *bucket = scene->GetBucketManager()->FindBucket(mat, bucketCreated);
return bucket;
}
/* blenderobj can be nullptr, make sure its checked for */
KX_Mesh *BL_ConvertMesh(Mesh *me, Object *blenderobj, KX_Scene *scene, BL_SceneConverter& converter)
{
KX_Mesh *meshobj;
// Without checking names, we get some reuse we don't want that can cause
// problems with material LoDs.
if (blenderobj && ((meshobj = converter.FindGameMesh(me)) != nullptr)) {
const std::string bge_name = meshobj->GetName();
const std::string blender_name = ((ID *)blenderobj->data)->name + 2;
if (bge_name == blender_name) {
return meshobj;
}
}
// Get DerivedMesh data.
DerivedMesh *dm = CDDM_from_mesh(me);
/* Extract available layers.
* Get the active color and uv layer. */
const short activeUv = CustomData_get_active_layer(&dm->loopData, CD_MLOOPUV);
const short activeColor = CustomData_get_active_layer(&dm->loopData, CD_MLOOPCOL);
const unsigned short uvCount = CustomData_number_of_layers(&dm->loopData, CD_MLOOPUV);
const unsigned short colorCount = CustomData_number_of_layers(&dm->loopData, CD_MLOOPCOL);
RAS_Mesh::LayersInfo layersInfo;
layersInfo.activeUv = (activeUv == -1) ? 0 : activeUv;
layersInfo.activeColor = (activeColor == -1) ? 0 : activeColor;
// Extract UV loops.
for (unsigned short i = 0; i < uvCount; ++i) {
const std::string name = CustomData_get_layer_name(&dm->loopData, CD_MLOOPUV, i);
layersInfo.uvLayers.push_back({i, name});
}
// Extract color loops.
for (unsigned short i = 0; i < colorCount; ++i) {
const std::string name = CustomData_get_layer_name(&dm->loopData, CD_MLOOPCOL, i);
layersInfo.colorLayers.push_back({i, name});
}
// Initialize vertex format with used uv and color layers.
RAS_DisplayArray::Format vertformat;
vertformat.uvSize = max_ii(1, uvCount);
vertformat.colorSize = max_ii(1, colorCount);
meshobj = new KX_Mesh(scene, me, layersInfo);
const unsigned short totmat = max_ii(me->totcol, 1);
std::vector<BL_MeshMaterial> mats(totmat);
// Convert all the materials contained in the mesh.
for (unsigned short i = 0; i < totmat; ++i) {
Material *ma = nullptr;
if (blenderobj) {
ma = give_current_material(blenderobj, i + 1);
}
else {
ma = me->mat ? me->mat[i] : nullptr;
}
// Check for blender material
if (!ma) {
ma = &defmaterial;
}
RAS_MaterialBucket *bucket = BL_ConvertMaterial(ma, scene, converter);
RAS_MeshMaterial *meshmat = meshobj->AddMaterial(bucket, i, vertformat);
RAS_IMaterial *mat = meshmat->GetBucket()->GetMaterial();
mats[i] = {meshmat->GetDisplayArray(), bucket, mat->IsVisible(), mat->IsTwoSided(), mat->IsCollider(), mat->IsWire()};
}
BL_ConvertDerivedMeshToArray(dm, me, mats, layersInfo);
meshobj->EndConversion(scene->GetBoundingBoxManager());
dm->release(dm);
// Needed for python scripting.
scene->GetLogicManager()->RegisterMeshName(meshobj->GetName(), meshobj);
converter.RegisterGameMesh(meshobj, me);
return meshobj;
}
void BL_ConvertDerivedMeshToArray(DerivedMesh *dm, Mesh *me, const std::vector<BL_MeshMaterial>& mats,
const RAS_Mesh::LayersInfo& layersInfo)
{
const MVert *mverts = dm->getVertArray(dm);
const int totverts = dm->getNumVerts(dm);
const MPoly *mpolys = (MPoly *)dm->getPolyArray(dm);
const MLoopTri *mlooptris = (MLoopTri *)dm->getLoopTriArray(dm);
const MLoop *mloops = (MLoop *)dm->getLoopArray(dm);
const MEdge *medges = (MEdge *)dm->getEdgeArray(dm);
const unsigned int numpolys = dm->getNumPolys(dm);
if (CustomData_get_layer_index(&dm->loopData, CD_NORMAL) == -1) {
dm->calcLoopNormals(dm, (me->flag & ME_AUTOSMOOTH), me->smoothresh);
}
const float(*normals)[3] = (float(*)[3])dm->getLoopDataArray(dm, CD_NORMAL);
float(*tangent)[4] = nullptr;
if (!layersInfo.uvLayers.empty()) {
if (CustomData_get_layer_index(&dm->loopData, CD_TANGENT) == -1) {
DM_calc_loop_tangents(dm, true, nullptr, 0);
}
tangent = (float(*)[4])dm->getLoopDataArray(dm, CD_TANGENT);
}
// List of MLoopUV per uv layer index.
std::vector<MLoopUV *> uvLayers(layersInfo.uvLayers.size());
// List of MLoopCol per color layer index.
std::vector<MLoopCol *> colorLayers(layersInfo.colorLayers.size());
for (const RAS_Mesh::Layer& layer : layersInfo.uvLayers) {
const unsigned short index = layer.index;
uvLayers[index] = (MLoopUV *)CustomData_get_layer_n(&dm->loopData, CD_MLOOPUV, index);
}
for (const RAS_Mesh::Layer& layer : layersInfo.colorLayers) {
const unsigned short index = layer.index;
colorLayers[index] = (MLoopCol *)CustomData_get_layer_n(&dm->loopData, CD_MLOOPCOL, index);
}
BL_SharedVertexMap sharedMap(totverts);
// Tracked vertices during a mpoly conversion, should never be used by the next mpoly.
std::vector<unsigned int> vertices(totverts, -1);
for (unsigned int i = 0; i < numpolys; ++i) {
const MPoly& mpoly = mpolys[i];
const BL_MeshMaterial& mat = mats[mpoly.mat_nr];
RAS_DisplayArray *array = mat.array;
// Mark face as flat, so vertices are split.
const bool flat = (mpoly.flag & ME_SMOOTH) == 0;
const unsigned int lpstart = mpoly.loopstart;
const unsigned int totlp = mpoly.totloop;
for (unsigned int j = lpstart; j < lpstart + totlp; ++j) {
const MLoop& mloop = mloops[j];
const unsigned int vertid = mloop.v;
const MVert& mvert = mverts[vertid];
static const float dummyTangent[4] = {0.0f, 0.0f, 0.0f, 0.0f};
const mt::vec4_packed tan(tangent ? tangent[j] : dummyTangent);
const mt::vec3_packed nor(normals[j]);
const mt::vec3_packed pos(mvert.co);
mt::vec2_packed uvs[RAS_Texture::MaxUnits];
unsigned int rgba[RAS_Texture::MaxUnits];
BL_GetUvRgba(layersInfo, uvLayers, colorLayers, j, uvs, rgba);
BL_SharedVertexList& sharedList = sharedMap[vertid];
BL_SharedVertexList::iterator it = std::find_if(sharedList.begin(), sharedList.end(),
BL_SharedVertexPredicate(array, nor, tan, uvs, rgba));
unsigned int offset;
if (it != sharedList.end()) {
offset = it->offset;
}
else {
offset = array->AddVertex(pos, nor, tan, uvs, rgba, vertid, flat);
sharedList.push_back({array, offset});
}
// Add tracked vertices by the mpoly.
vertices[vertid] = offset;
}
const unsigned int ltstart = poly_to_tri_count(i, mpoly.loopstart);
const unsigned int lttot = ME_POLY_TRI_TOT(&mpoly);
if (mat.visible) {
if (mat.wire) {
// Convert to edges if material is rendering wire.
for (unsigned int j = lpstart; j < (lpstart + totlp); ++j) {
const MLoop& mloop = mloops[j];
const MEdge& edge = medges[mloop.e];
array->AddPrimitiveIndex(vertices[edge.v1]);
array->AddPrimitiveIndex(vertices[edge.v2]);
}
}
else {
for (unsigned int j = ltstart; j < (ltstart + lttot); ++j) {
const MLoopTri& mlooptri = mlooptris[j];
for (unsigned short k = 0; k < 3; ++k) {
array->AddPrimitiveIndex(vertices[mloops[mlooptri.tri[k]].v]);
}
}
}
}
for (unsigned int j = ltstart; j < (ltstart + lttot); ++j) {
const MLoopTri& mlooptri = mlooptris[j];
for (unsigned short k = 0; k < 3; ++k) {
// Add triangle index into display array.
array->AddTriangleIndex(vertices[mloops[mlooptri.tri[k]].v]);
}
}
}
}
RAS_Deformer *BL_ConvertDeformer(KX_GameObject *object, KX_Mesh *meshobj)
{
Mesh *mesh = meshobj->GetMesh();
if (!mesh) {
return nullptr;
}
KX_Scene *scene = object->GetScene();
Scene *blenderScene = scene->GetBlenderScene();
// We must create a new deformer but which one?
KX_GameObject *parentobj = object->GetParent();
/* Object that owns the mesh. If this is not the current blender object, look at one of the object registered
* along the blender mesh. */
Object *meshblendobj;
Object *blenderobj = object->GetBlenderObject();
if (blenderobj->data != mesh) {
meshblendobj = static_cast<Object *>(scene->GetLogicManager()->FindBlendObjByGameMeshName(meshobj->GetName()));
}
else {
meshblendobj = blenderobj;
}
const bool isParentArmature = parentobj && parentobj->GetGameObjectType() == SCA_IObject::OBJ_ARMATURE;
const bool bHasModifier = BL_ModifierDeformer::HasCompatibleDeformer(blenderobj);
const bool bHasShapeKey = mesh->key && mesh->key->type == KEY_RELATIVE;
const bool bHasDvert = mesh->dvert && blenderobj->defbase.first;
const bool bHasArmature = BL_ModifierDeformer::HasArmatureDeformer(blenderobj) &&
isParentArmature && meshblendobj && bHasDvert;
#ifdef WITH_BULLET
const bool bHasSoftBody = (!parentobj && (blenderobj->gameflag & OB_SOFT_BODY));
#endif
if (!meshblendobj) {
if (bHasModifier || bHasShapeKey || bHasDvert || bHasArmature) {
CM_FunctionWarning("new mesh is not used in an object from the current scene, you will get incorrect behavior.");
return nullptr;
}
}
RAS_Deformer *deformer = nullptr;
if (bHasModifier) {
if (isParentArmature) {
BL_ModifierDeformer *modifierDeformer = new BL_ModifierDeformer(object, blenderScene, meshblendobj, blenderobj,
meshobj, static_cast<BL_ArmatureObject *>(parentobj));
modifierDeformer->LoadShapeDrivers(parentobj);
deformer = modifierDeformer;
}
else {
deformer = new BL_ModifierDeformer(object, blenderScene, meshblendobj, blenderobj, meshobj, nullptr);
}
}
else if (bHasShapeKey) {
if (isParentArmature) {
BL_ShapeDeformer *shapeDeformer = new BL_ShapeDeformer(object, meshblendobj, blenderobj, meshobj,
static_cast<BL_ArmatureObject *>(parentobj));
shapeDeformer->LoadShapeDrivers(parentobj);
deformer = shapeDeformer;
}
else {
deformer = new BL_ShapeDeformer(object, meshblendobj, blenderobj, meshobj, nullptr);
}
}
else if (bHasArmature) {
deformer = new BL_SkinDeformer(object, meshblendobj, blenderobj, meshobj,
static_cast<BL_ArmatureObject *>(parentobj));
}
else if (bHasDvert) {
deformer = new BL_MeshDeformer(object, meshblendobj, meshobj);
}
#ifdef WITH_BULLET
else if (bHasSoftBody) {
deformer = new KX_SoftBodyDeformer(meshobj, object);
}
#endif
if (deformer) {
deformer->InitializeDisplayArrays();
}
return deformer;
}
BL_ActionData *BL_ConvertAction(bAction *action, KX_Scene *scene, BL_SceneConverter& converter)
{
BL_ActionData *data = new BL_ActionData(action);
converter.RegisterActionData(data);
scene->GetLogicManager()->RegisterActionName(action->id.name + 2, data);
return data;
}
void BL_ConvertActions(KX_Scene *scene, Main *maggie, BL_SceneConverter& converter)
{
// Convert all actions and register.
for (bAction *act = (bAction *)maggie->action.first; act; act = (bAction *)act->id.next) {
BL_ConvertAction(act, scene, converter);
}
}
static void BL_CreateGraphicObjectNew(KX_GameObject *gameobj, KX_Scene *kxscene, bool isActive, PHY_IPhysicsEnvironment *phyEnv)
{
#ifdef WITH_BULLET
CcdPhysicsEnvironment *env = static_cast<CcdPhysicsEnvironment *>(phyEnv);
PHY_IMotionState *motionstate = new KX_MotionState(gameobj->GetNode());
CcdGraphicController *ctrl = new CcdGraphicController(env, motionstate);
gameobj->SetGraphicController(ctrl);
ctrl->SetNewClientInfo(&gameobj->GetClientInfo());
if (isActive) {
// add first, this will create the proxy handle, only if the object is visible or occluder
if (gameobj->GetVisible() || gameobj->GetOccluder()) {
env->AddCcdGraphicController(ctrl);
}
}
#endif
}
static void BL_CreatePhysicsObjectNew(KX_GameObject *gameobj, Object *blenderobject, KX_Mesh *meshobj,
KX_Scene *kxscene, int activeLayerBitInfo, BL_SceneConverter& converter, bool processCompoundChildren)
{
// Object has physics representation?
if (!(blenderobject->gameflag & OB_COLLISION)) {
return;
}
Object *parent = blenderobject->parent;
bool isCompoundChild = false;
bool hasCompoundChildren = false;
// Pretend for compound parent or child if the object has compound option and use a physics type with solid shape.
if ((blenderobject->gameflag & (OB_CHILD)) && (blenderobject->gameflag & (OB_DYNAMIC | OB_COLLISION | OB_RIGID_BODY)) &&
!(blenderobject->gameflag & OB_SOFT_BODY)) {
hasCompoundChildren = true;
while (parent) {
if ((parent->gameflag & OB_CHILD) && (parent->gameflag & (OB_COLLISION | OB_DYNAMIC | OB_RIGID_BODY)) &&
!(parent->gameflag & OB_SOFT_BODY)) {
// Found a parent in the tree with compound shape.
isCompoundChild = true;
/* The object is not a parent compound shape if it has a parent
* object with compound shape. */
hasCompoundChildren = false;
break;
}
parent = parent->parent;
}
}
if (processCompoundChildren != isCompoundChild) {
return;
}
PHY_IMotionState *motionstate = new KX_MotionState(gameobj->GetNode());
PHY_IPhysicsEnvironment *phyenv = kxscene->GetPhysicsEnvironment();
phyenv->ConvertObject(converter, gameobj, meshobj, kxscene, motionstate, activeLayerBitInfo,
isCompoundChild, hasCompoundChildren);
bool isActor = (blenderobject->gameflag & OB_ACTOR) != 0;
bool isSensor = (blenderobject->gameflag & OB_SENSOR) != 0;
gameobj->GetClientInfo().m_type =
(isSensor) ? ((isActor) ? KX_ClientObjectInfo::OBACTORSENSOR : KX_ClientObjectInfo::OBSENSOR) :
(isActor) ? KX_ClientObjectInfo::ACTOR : KX_ClientObjectInfo::STATIC;
}
static KX_LodManager *BL_LodManagerFromBlenderObject(Object *ob, KX_Scene *scene, BL_SceneConverter& converter)
{
if (BLI_listbase_count(&ob->lodlevels) <= 1) {
return nullptr;
}
KX_LodManager *lodManager = new KX_LodManager(ob, scene, converter);
// The lod manager is useless ?
if (lodManager->GetLevelCount() <= 1) {
lodManager->Release();
return nullptr;
}
return lodManager;
}
/** Convert the object activity culling settings from blender to a KX_GameObject::ActivityCullingInfo.
* \param ob The object to convert the activity culling settings from.
*/
static KX_GameObject::ActivityCullingInfo activityCullingInfoFromBlenderObject(Object *ob)
{
KX_GameObject::ActivityCullingInfo cullingInfo;
const ObjectActivityCulling& blenderInfo = ob->activityCulling;
// Convert the flags.
if (blenderInfo.flags & OB_ACTIVITY_PHYSICS) {
// Enable physics culling.
cullingInfo.m_flags = (KX_GameObject::ActivityCullingInfo::Flag)(
cullingInfo.m_flags | KX_GameObject::ActivityCullingInfo::ACTIVITY_PHYSICS);
}
if (blenderInfo.flags & OB_ACTIVITY_LOGIC) {
// Enable logic culling.
cullingInfo.m_flags = (KX_GameObject::ActivityCullingInfo::Flag)(
cullingInfo.m_flags | KX_GameObject::ActivityCullingInfo::ACTIVITY_LOGIC);
}
// Set culling radius.
cullingInfo.m_physicsRadius = blenderInfo.physicsRadius * blenderInfo.physicsRadius;
cullingInfo.m_logicRadius = blenderInfo.logicRadius * blenderInfo.logicRadius;
return cullingInfo;
}
static KX_LightObject *BL_GameLightFromBlenderLamp(Lamp *la, unsigned int layerflag, KX_Scene *kxscene, RAS_Rasterizer *rasterizer)
{
RAS_ILightObject *lightobj = rasterizer->CreateLight();
lightobj->m_att1 = la->att1;
lightobj->m_att2 = (la->mode & LA_QUAD) ? la->att2 : 0.0f;
lightobj->m_coeff_const = la->coeff_const;
lightobj->m_coeff_lin = la->coeff_lin;
lightobj->m_coeff_quad = la->coeff_quad;
lightobj->m_color = mt::vec3(la->r, la->g, la->b);
lightobj->m_distance = la->dist;
lightobj->m_energy = la->energy;
lightobj->m_shadowclipstart = la->clipsta;
lightobj->m_shadowclipend = la->clipend;
lightobj->m_shadowbias = la->bias;
lightobj->m_shadowbleedbias = la->bleedbias;
lightobj->m_shadowmaptype = la->shadowmap_type;
lightobj->m_shadowfrustumsize = la->shadow_frustum_size;
lightobj->m_shadowcolor = mt::vec3(la->shdwr, la->shdwg, la->shdwb);
lightobj->m_layer = layerflag;
lightobj->m_spotblend = la->spotblend;
lightobj->m_spotsize = la->spotsize;
lightobj->m_staticShadow = la->mode & LA_STATIC_SHADOW;
// Set to true to make at least one shadow render in static mode.
lightobj->m_requestShadowUpdate = true;
lightobj->m_nodiffuse = (la->mode & LA_NO_DIFF) != 0;
lightobj->m_nospecular = (la->mode & LA_NO_SPEC) != 0;
switch (la->type) {
case LA_SUN:
{
lightobj->m_type = RAS_ILightObject::LIGHT_SUN;
break;
}
case LA_SPOT:
{
lightobj->m_type = RAS_ILightObject::LIGHT_SPOT;
break;
}
case LA_HEMI:
{
lightobj->m_type = RAS_ILightObject::LIGHT_HEMI;
break;
}
default:
{
lightobj->m_type = RAS_ILightObject::LIGHT_NORMAL;
}
}
KX_LightObject *gamelight = new KX_LightObject(kxscene, KX_Scene::m_callbacks, rasterizer, lightobj);
gamelight->SetShowShadowFrustum((la->mode & LA_SHOW_SHADOW_BOX) && (la->mode & LA_SHAD_RAY));
return gamelight;
}
static KX_Camera *BL_GameCameraFromBlenderCamera(Object *ob, KX_Scene *kxscene, RAS_ICanvas *canvas, float camZoom)
{
Camera *ca = static_cast<Camera *>(ob->data);
RAS_CameraData camdata(ca->lens, ca->ortho_scale, ca->sensor_x, ca->sensor_y, ca->sensor_fit, ca->shiftx, ca->shifty, ca->clipsta, ca->clipend, ca->type == CAM_PERSP, ca->YF_dofdist, camZoom);
KX_Camera *gamecamera;
gamecamera = new KX_Camera(kxscene, KX_Scene::m_callbacks, camdata);
gamecamera->SetName(ca->id.name + 2);
if (ca->gameflag & GAME_CAM_VIEWPORT) {
const GameCameraViewportSettings& settings = ca->gameviewport;
if (settings.leftratio > settings.rightratio || settings.bottomratio > settings.topratio) {
CM_Warning("\"" << gamecamera->GetName() << "\" uses invalid custom viewport ratios, disabling custom viewport.");
}
else {
gamecamera->EnableViewport(true);
const int maxx = canvas->GetMaxX();
const int maxy = canvas->GetMaxY();
gamecamera->SetViewport(maxx * settings.leftratio, maxy * settings.bottomratio,
maxx * settings.rightratio, maxy * settings.topratio);
}
}
gamecamera->SetShowCameraFrustum(ca->gameflag & GAME_CAM_SHOW_FRUSTUM);
gamecamera->SetLodDistanceFactor(ca->lodfactor);
gamecamera->SetActivityCulling(ca->gameflag & GAME_CAM_OBJECT_ACTIVITY_CULLING);
if (ca->gameflag & GAME_CAM_OVERRIDE_CULLING) {
if (kxscene->GetOverrideCullingCamera()) {
CM_Warning("\"" << gamecamera->GetName() << "\" sets for culling override whereas \""
<< kxscene->GetOverrideCullingCamera()->GetName() << "\" is already used for culling override.");
}
else {
kxscene->SetOverrideCullingCamera(gamecamera);
}
}
return gamecamera;
}
static KX_GameObject *BL_GameObjectFromBlenderObject(Object *ob, KX_Scene *kxscene, RAS_Rasterizer *rendertools,
RAS_ICanvas *canvas, BL_SceneConverter &converter, float camZoom)
{
KX_GameObject *gameobj = nullptr;
Scene *blenderscene = kxscene->GetBlenderScene();
switch (ob->type) {
case OB_LAMP:
{
KX_LightObject *gamelight = BL_GameLightFromBlenderLamp(static_cast<Lamp *>(ob->data), ob->lay, kxscene, rendertools);
gameobj = gamelight;
gamelight->AddRef();
kxscene->GetLightList()->Add(gamelight);
break;
}
case OB_CAMERA:
{
KX_Camera *gamecamera = BL_GameCameraFromBlenderCamera(ob, kxscene, canvas, camZoom);
gameobj = gamecamera;
kxscene->GetCameraList()->Add(CM_AddRef(gamecamera));
break;
}
case OB_MESH:
{
Mesh *mesh = static_cast<Mesh *>(ob->data);
KX_Mesh *meshobj = BL_ConvertMesh(mesh, ob, kxscene, converter);
if (ob->gameflag & OB_NAVMESH) {
gameobj = new KX_NavMeshObject(kxscene, KX_Scene::m_callbacks);
gameobj->AddMesh(meshobj);
break;
}
KX_GameObject *deformableGameObj = new KX_GameObject(kxscene, KX_Scene::m_callbacks);
gameobj = deformableGameObj;