1412 lines
48 KiB
C++
1412 lines
48 KiB
C++
/* -------------------------------------------------------------------------------
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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----------------------------------------------------------------------------------
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This code has been altered significantly from its original form, to support
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several games based on the Quake III Arena engine, in the form of "Q3Map2."
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------------------------------------------------------------------------------- */
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/* dependencies */
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#include "q3map2.h"
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#include "model.h"
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#include "assimp/Importer.hpp"
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#include "assimp/importerdesc.h"
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#include "assimp/Logger.hpp"
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#include "assimp/DefaultLogger.hpp"
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#include "assimp/IOSystem.hpp"
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#include "assimp/MemoryIOWrapper.h"
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#include "assimp/postprocess.h"
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#include "assimp/scene.h"
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#include "assimp/mesh.h"
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#include <map>
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class AssLogger : public Assimp::Logger
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{
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public:
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void OnDebug( const char* message ) override {
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#ifdef _DEBUG
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Sys_Printf( "%s\n", message );
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#endif
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}
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void OnVerboseDebug( const char *message ) override {
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#ifdef _DEBUG
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Sys_FPrintf( SYS_VRB, "%s\n", message );
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#endif
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}
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void OnInfo( const char* message ) override {
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#ifdef _DEBUG
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Sys_Printf( "%s\n", message );
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#endif
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}
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void OnWarn( const char* message ) override {
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Sys_Warning( "%s\n", message );
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}
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void OnError( const char* message ) override {
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Sys_FPrintf( SYS_WRN, "ERROR: %s\n", message ); /* let it be a warning, since radiant stops monitoring on error message flag */
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}
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bool attachStream( Assimp::LogStream *pStream, unsigned int severity ) override {
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return false;
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}
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bool detachStream( Assimp::LogStream *pStream, unsigned int severity ) override {
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return false;
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}
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};
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class AssIOSystem : public Assimp::IOSystem
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{
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public:
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// -------------------------------------------------------------------
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/** @brief Tests for the existence of a file at the given path.
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*
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* @param pFile Path to the file
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* @return true if there is a file with this path, else false.
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*/
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bool Exists( const char* pFile ) const override {
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return vfsGetFileCount( pFile ) != 0;
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}
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// -------------------------------------------------------------------
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/** @brief Returns the system specific directory separator
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* @return System specific directory separator
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*/
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char getOsSeparator() const override {
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return '/';
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}
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// -------------------------------------------------------------------
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/** @brief Open a new file with a given path.
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*
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* When the access to the file is finished, call Close() to release
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* all associated resources (or the virtual dtor of the IOStream).
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*
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* @param pFile Path to the file
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* @param pMode Desired file I/O mode. Required are: "wb", "w", "wt",
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* "rb", "r", "rt".
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*
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* @return New IOStream interface allowing the lib to access
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* the underlying file.
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* @note When implementing this class to provide custom IO handling,
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* you probably have to supply an own implementation of IOStream as well.
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*/
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Assimp::IOStream* Open( const char* pFile, const char* pMode = "rb" ) override {
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if ( MemBuffer boo = vfsLoadFile( pFile ) ) {
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return new Assimp::MemoryIOStream( boo.release(), boo.size(), true );
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}
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return nullptr;
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}
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// -------------------------------------------------------------------
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/** @brief Closes the given file and releases all resources
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* associated with it.
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* @param pFile The file instance previously created by Open().
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*/
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void Close( Assimp::IOStream* pFile ) override {
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delete pFile;
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}
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// -------------------------------------------------------------------
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/** @brief CReates an new directory at the given path.
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* @param path [in] The path to create.
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* @return True, when a directory was created. False if the directory
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* cannot be created.
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*/
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bool CreateDirectory( const std::string &path ) override {
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Error( "AssIOSystem::CreateDirectory" );
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return false;
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}
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// -------------------------------------------------------------------
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/** @brief Will change the current directory to the given path.
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* @param path [in] The path to change to.
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* @return True, when the directory has changed successfully.
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*/
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bool ChangeDirectory( const std::string &path ) override {
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Error( "AssIOSystem::ChangeDirectory" );
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return false;
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}
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bool DeleteFile( const std::string &file ) override {
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Error( "AssIOSystem::DeleteFile" );
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return false;
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}
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private:
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};
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static Assimp::Importer *s_assImporter = nullptr;
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void assimp_init(){
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s_assImporter = new Assimp::Importer();
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s_assImporter->SetPropertyBool( AI_CONFIG_PP_PTV_ADD_ROOT_TRANSFORMATION, true );
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s_assImporter->SetPropertyInteger( AI_CONFIG_PP_SBP_REMOVE, aiPrimitiveType_POINT | aiPrimitiveType_LINE );
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s_assImporter->SetPropertyString( AI_CONFIG_IMPORT_MDL_COLORMAP, "gfx/palette.lmp" ); // Q1 palette, default is fine too
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s_assImporter->SetPropertyBool( AI_CONFIG_IMPORT_MD3_LOAD_SHADERS, false );
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s_assImporter->SetPropertyString( AI_CONFIG_IMPORT_MD3_SHADER_SRC, "scripts/" );
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s_assImporter->SetPropertyBool( AI_CONFIG_IMPORT_MD3_HANDLE_MULTIPART, false );
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s_assImporter->SetPropertyInteger( AI_CONFIG_PP_RVC_FLAGS, aiComponent_TANGENTS_AND_BITANGENTS ); // varying tangents prevent aiProcess_JoinIdenticalVertices
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Assimp::DefaultLogger::set( new AssLogger );
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s_assImporter->SetIOHandler( new AssIOSystem );
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}
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struct ModelNameFrame
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{
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CopiedString m_name;
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int m_frame;
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bool operator<( const ModelNameFrame& other ) const {
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const int cmp = string_compare_nocase( m_name.c_str(), other.m_name.c_str() );
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return cmp != 0? cmp < 0 : m_frame < other.m_frame;
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}
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};
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struct AssModel
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{
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struct AssModelMesh : public AssMeshWalker
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{
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const aiMesh *m_mesh;
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CopiedString m_shader;
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AssModelMesh( const aiScene *scene, const aiMesh *mesh, const char *rootPath ) : m_mesh( mesh ){
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aiMaterial *material = scene->mMaterials[mesh->mMaterialIndex];
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aiString matname = material->GetName();
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#ifdef _DEBUG
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Sys_Printf( "matname: %s\n", matname.C_Str() );
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#endif
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if( aiString texname;
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aiReturn_SUCCESS == material->Get( AI_MATKEY_TEXTURE_DIFFUSE(0), texname )
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&& texname.length != 0
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&& !string_equal_prefix_nocase( matname.C_Str(), "textures/" ) /* matname looks intentionally named as ingame shader */
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&& !string_equal_prefix_nocase( matname.C_Str(), "textures\\" )
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&& !string_equal_prefix_nocase( matname.C_Str(), "models/" )
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&& !string_equal_prefix_nocase( matname.C_Str(), "models\\" ) ){
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#ifdef _DEBUG
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Sys_Printf( "texname: %s\n", texname.C_Str() );
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#endif
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m_shader = StringOutputStream()( PathCleaned( PathExtensionless( texname.C_Str() ) ) );
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}
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else{
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m_shader = StringOutputStream()( PathCleaned( PathExtensionless( matname.C_Str() ) ) );
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}
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const CopiedString oldShader( m_shader );
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if( strchr( m_shader.c_str(), '/' ) == nullptr ){ /* texture is likely in the folder, where model is */
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m_shader = StringOutputStream()( rootPath, m_shader );
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}
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else{
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const char *name = m_shader.c_str();
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if( name[0] == '/' || ( name[0] != '\0' && name[1] == ':' ) || strstr( name, ".." ) ){ /* absolute path or with .. */
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const char* p;
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if( ( p = string_in_string_nocase( name, "/models/" ) )
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|| ( p = string_in_string_nocase( name, "/textures/" ) ) ){
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m_shader = p + 1;
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}
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else{
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m_shader = StringOutputStream()( rootPath, path_get_filename_start( name ) );
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}
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}
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}
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if( oldShader != m_shader )
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Sys_FPrintf( SYS_VRB, "substituting: %s -> %s\n", oldShader.c_str(), m_shader.c_str() );
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}
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void forEachFace( std::function<void( const Vector3 ( &xyz )[3], const Vector2 ( &st )[3])> visitor ) const override {
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for ( const aiFace& face : Span( m_mesh->mFaces, m_mesh->mNumFaces ) ){
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// if( face.mNumIndices == 3 )
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Vector3 xyz[3];
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Vector2 st[3];
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for( size_t n = 0; n < 3; ++n ){
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const auto i = face.mIndices[n];
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xyz[n] = { m_mesh->mVertices[i].x, m_mesh->mVertices[i].y, m_mesh->mVertices[i].z };
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if( m_mesh->HasTextureCoords( 0 ) )
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st[n] = { m_mesh->mTextureCoords[0][i].x, m_mesh->mTextureCoords[0][i].y };
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else
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st[n] = { 0, 0 };
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}
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visitor( xyz, st );
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}
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}
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const char *getShaderName() const override {
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return m_shader.c_str();
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}
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};
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aiScene *m_scene;
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std::vector<AssModelMesh> m_meshes;
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AssModel( aiScene *scene, const char *modelname ) : m_scene( scene ){
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m_meshes.reserve( scene->mNumMeshes );
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const auto rootPath = StringOutputStream()( PathCleaned( PathFilenameless( modelname ) ) );
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const auto traverse = [&]( const auto& self, const aiNode* node ) -> void {
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for( size_t n = 0; n < node->mNumMeshes; ++n ){
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const aiMesh *mesh = scene->mMeshes[node->mMeshes[n]];
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if( mesh->mPrimitiveTypes & aiPrimitiveType_TRIANGLE ){
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m_meshes.emplace_back( scene, mesh, rootPath );
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}
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}
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// traverse all children
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for ( size_t n = 0; n < node->mNumChildren; ++n ){
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self( self, node->mChildren[n] );
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}
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};
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traverse( traverse, scene->mRootNode );
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}
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};
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static std::map<ModelNameFrame, AssModel> s_assModels;
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/*
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LoadModel() - ydnar
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loads a picoModel and returns a pointer to the picoModel_t struct or NULL if not found
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*/
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static AssModel *LoadModel( const char *name, int frame ){
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/* dummy check */
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if ( strEmptyOrNull( name ) ) {
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return nullptr;
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}
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/* try to find existing picoModel */
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auto it = s_assModels.find( ModelNameFrame{ name, frame } );
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if( it != s_assModels.end() ){
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return &it->second;
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}
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unsigned flags = //aiProcessPreset_TargetRealtime_Fast
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// | aiProcess_FixInfacingNormals
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aiProcess_GenNormals
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| aiProcess_JoinIdenticalVertices
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| aiProcess_Triangulate
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| aiProcess_GenUVCoords
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| aiProcess_SortByPType
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| aiProcess_FindDegenerates
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| aiProcess_FindInvalidData
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| aiProcess_ValidateDataStructure
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| aiProcess_FlipUVs
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| aiProcess_FlipWindingOrder
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| aiProcess_PreTransformVertices
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| aiProcess_RemoveComponent
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| aiProcess_SplitLargeMeshes;
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// rotate the whole scene 90 degrees around the x axis to convert assimp's Y = UP to Quakes's Z = UP
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s_assImporter->SetPropertyMatrix( AI_CONFIG_PP_PTV_ROOT_TRANSFORMATION, aiMatrix4x4( 1, 0, 0, 0,
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0, 0, -1, 0,
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0, 1, 0, 0,
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0, 0, 0, 1 ) ); // aiMatrix4x4::RotationX( c_half_pi )
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s_assImporter->SetPropertyInteger( AI_CONFIG_PP_SLM_VERTEX_LIMIT, maxSurfaceVerts ); // TODO this optimal and with respect to lightmapped/not
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s_assImporter->SetPropertyInteger( AI_CONFIG_IMPORT_GLOBAL_KEYFRAME, frame );
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const aiScene *scene = s_assImporter->ReadFile( name, flags );
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if( scene != nullptr ){
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if( scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE )
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Sys_Warning( "AI_SCENE_FLAGS_INCOMPLETE\n" );
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return &s_assModels.emplace( ModelNameFrame{ name, frame }, AssModel( s_assImporter->GetOrphanedScene(), name ) ).first->second;
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}
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else{
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return nullptr; // TODO /* if loading failed, make a bogus model to silence the rest of the warnings */
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}
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}
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std::vector<const AssMeshWalker*> LoadModelWalker( const char *name, int frame ){
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AssModel *model = LoadModel( name, frame );
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std::vector<const AssMeshWalker*> vector;
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if( model != nullptr )
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std::for_each( model->m_meshes.begin(), model->m_meshes.end(), [&vector]( const auto& val ){
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vector.push_back( &val );
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} );
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return vector;
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}
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enum EModelFlags{
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eRMG_BSP = 1 << 0,
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eClipModel = 1 << 1,
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eForceMeta = 1 << 2,
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eExtrudeFaceNormals = 1 << 3,
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eExtrudeTerrain = 1 << 4,
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eColorToAlpha = 1 << 5,
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eNoSmooth = 1 << 6,
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eExtrudeVertexNormals = 1 << 7,
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ePyramidaClip = 1 << 8,
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eExtrudeDownwards = 1 << 9,
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eExtrudeUpwards = 1 << 10,
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eMaxExtrude = 1 << 11,
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eAxialBackplane = 1 << 12,
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eClipFlags = eClipModel | eExtrudeFaceNormals | eExtrudeTerrain | eExtrudeVertexNormals | ePyramidaClip | eExtrudeDownwards | eExtrudeUpwards | eMaxExtrude | eAxialBackplane,
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};
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inline void nonax_clip_dbg( const Plane3f (&p)[3] ){
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#if 0
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for ( int j = 0; j < 3; ++j ){
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for ( int k = 0; k < 3; ++k ){
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const Vector3& n = p[j].normal();
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if ( fabs( n[k] ) < 0.00025 && n[k] != 0 ){
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Sys_Printf( "nonax nrm %6.17f %6.17f %6.17f\n", n[0], n[1], n[2] );
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}
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}
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}
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#endif
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}
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inline size_t normal_make_axial( Vector3& normal ){
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const size_t i = vector3_max_abs_component_index( normal );
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normal = normal[i] >= 0? g_vector3_axes[i] : -g_vector3_axes[i];
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return i;
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}
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template<size_t N> // N = 4 or 5
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static void make_brush_sides( const Plane3f plane, const Plane3f (&p)[3], const Plane3f& reverse, Vector3 (&points)[4], shaderInfo_t *si ){
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/* set up brush sides */
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buildBrush.sides.clear(); // clear, so resize() will value-initialize elements
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buildBrush.sides.resize( N );
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if( debugClip ){
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buildBrush.sides[ 0 ].shaderInfo = ShaderInfoForShader( "debugclip2" );
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for ( size_t i = 1; i < N; ++i )
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buildBrush.sides[i].shaderInfo = ShaderInfoForShader( "debugclip" );
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}
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else{
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buildBrush.sides[0].shaderInfo = si;
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buildBrush.sides[0].surfaceFlags = si->surfaceFlags;
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for ( size_t i = 1; i < N; ++i )
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buildBrush.sides[i].shaderInfo = NULL; // don't emit these faces as draw surfaces, should make smaller BSPs; hope this works
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}
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points[3] = points[0]; // for cyclic usage
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buildBrush.sides[0].planenum = FindFloatPlane( plane, 3, points );
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buildBrush.sides[1].planenum = FindFloatPlane( p[0], 2, &points[0] ); // p[0] contains points[0] and points[1]
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buildBrush.sides[2].planenum = FindFloatPlane( p[1], 2, &points[1] ); // p[1] contains points[1] and points[2]
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buildBrush.sides[3].planenum = FindFloatPlane( p[2], 2, &points[2] ); // p[2] contains points[2] and points[0] (copied to points[3])
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if constexpr( N == 5 )
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buildBrush.sides[4].planenum = FindFloatPlane( reverse, 0, NULL );
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}
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static void ClipModel( int spawnFlags, float clipDepth, shaderInfo_t *si, const mapDrawSurface_t *ds, const char *modelName, entity_t& entity ){
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const int spf = ( spawnFlags & ( eClipFlags & ~eClipModel ) );
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/* ydnar: giant hack land: generate clipping brushes for model triangles */
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if ( ( si->clipModel && spf == 0 ) // default CLIPMODEL
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|| ( spawnFlags & eClipFlags ) == eClipModel //default CLIPMODEL
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|| spf == eExtrudeFaceNormals
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|| spf == eExtrudeTerrain
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|| spf == eExtrudeVertexNormals
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|| spf == ePyramidaClip
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|| spf == eExtrudeDownwards
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|| spf == eExtrudeUpwards
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|| spf == eAxialBackplane // default sides + axial backplane
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|| spf == ( eExtrudeFaceNormals | ePyramidaClip ) // extrude 45
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|| spf == ( eExtrudeTerrain | eMaxExtrude )
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|| spf == ( eExtrudeTerrain | eAxialBackplane )
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|| spf == ( eExtrudeVertexNormals | ePyramidaClip ) // vertex normals + don't check for sides, sticking outwards
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|| spf == ( ePyramidaClip | eAxialBackplane ) // pyramid with 3 of 4 sides axial (->small bsp)
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|| spf == ( eExtrudeDownwards | eExtrudeUpwards )
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|| spf == ( eExtrudeDownwards | eMaxExtrude )
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|| spf == ( eExtrudeDownwards | eAxialBackplane )
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|| spf == ( eExtrudeDownwards | eExtrudeUpwards | eMaxExtrude )
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|| spf == ( eExtrudeDownwards | eExtrudeUpwards | eAxialBackplane )
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|| spf == ( eExtrudeUpwards | eMaxExtrude )
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|| spf == ( eExtrudeUpwards | eAxialBackplane ) ){
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int i, j, k;
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//int ok=0, notok=0;
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float limDepth = 0;
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if ( clipDepth < 0 ){
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limDepth = -clipDepth;
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clipDepth = 2.0;
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}
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Vector3 points[ 4 ];
|
|
Plane3f plane, reverse, p[3];
|
|
MinMax minmax;
|
|
Vector3 avgDirection( 0 );
|
|
int axis;
|
|
|
|
/* temp hack */
|
|
if ( !si->clipModel && !( si->compileFlags & C_SOLID ) ) {
|
|
return;
|
|
}
|
|
|
|
//wont snap these in normal way, or will explode
|
|
// const double normalEpsilon_save = normalEpsilon;
|
|
//normalEpsilon = 0.000001;
|
|
|
|
|
|
if ( ( spf & eMaxExtrude ) || ( spf & eExtrudeTerrain ) ){
|
|
|
|
for ( i = 0; i < ds->numIndexes; i += 3 ){
|
|
for ( j = 0; j < 3; ++j ){
|
|
points[j] = ds->verts[ds->indexes[i + j]].xyz;
|
|
}
|
|
if ( PlaneFromPoints( plane, points ) ){
|
|
if ( spf & eExtrudeTerrain )
|
|
avgDirection += plane.normal(); //calculate average mesh facing direction
|
|
|
|
//get min/max
|
|
for ( j = 0; j < 3; ++j ){
|
|
minmax.extend( points[j] );
|
|
}
|
|
}
|
|
}
|
|
//unify avg direction
|
|
if ( spf & eExtrudeTerrain ){
|
|
if ( vector3_length( avgDirection ) == 0 )
|
|
avgDirection = g_vector3_axis_z;
|
|
axis = normal_make_axial( avgDirection );
|
|
}
|
|
}
|
|
|
|
/* prepare a brush */
|
|
buildBrush.sides.reserve( MAX_BUILD_SIDES );
|
|
buildBrush.entityNum = entity.mapEntityNum;
|
|
buildBrush.contentShader = si;
|
|
buildBrush.compileFlags = si->compileFlags;
|
|
buildBrush.contentFlags = si->contentFlags;
|
|
buildBrush.detail = true;
|
|
|
|
/* walk triangle list */
|
|
for ( i = 0; i < ds->numIndexes; i += 3 ){
|
|
/* make points */
|
|
for ( j = 0; j < 3; ++j ){
|
|
/* copy xyz */
|
|
points[j] = ds->verts[ds->indexes[i + j] ].xyz;
|
|
}
|
|
|
|
/* make plane for triangle */
|
|
if ( PlaneFromPoints( plane, points ) ) {
|
|
//snap points before using them for further calculations
|
|
//precision suffers a lot, when two of normal values are under .00025 (often no collision, knocking up effect in ioq3)
|
|
//also broken drawsurfs in case of normal brushes
|
|
bool snpd = false;
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
if ( fabs( plane.normal()[j] ) < 0.00025 && fabs( plane.normal()[( j + 1) % 3] ) < 0.00025
|
|
&& ( plane.normal()[j] != 0.0 || plane.normal()[( j + 1 ) % 3] != 0.0 ) ){
|
|
const Vector3 cnt = ( points[0] + points[1] + points[2] ) / 3.0;
|
|
points[0][( j + 2 ) % 3] = points[1][(j + 2 ) % 3] = points[2][( j + 2 ) % 3] = cnt[( j + 2 ) % 3];
|
|
snpd = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
//snap pairs of points to prevent bad side planes
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
const Vector3 nrm = VectorNormalized( points[j] - points[( j + 1 ) % 3] );
|
|
for ( k = 0; k < 3; ++k )
|
|
{
|
|
if ( nrm[k] != 0.0 && fabs( nrm[k] ) < 0.00025 ){
|
|
//Sys_Printf( "b4(%6.6f %6.6f %6.6f)(%6.6f %6.6f %6.6f)\n", points[j][0], points[j][1], points[j][2], points[(j+1)%3][0], points[(j+1)%3][1], points[(j+1)%3][2] );
|
|
points[j][k] = points[( j + 1 ) % 3][k] = ( points[j][k] + points[( j + 1 ) % 3][k] ) / 2.0;
|
|
//Sys_Printf( "sn(%6.6f %6.6f %6.6f)(%6.6f %6.6f %6.6f)\n", points[j][0], points[j][1], points[j][2], points[(j+1)%3][0], points[(j+1)%3][1], points[(j+1)%3][2] );
|
|
snpd = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( snpd ) {
|
|
PlaneFromPoints( plane, points );
|
|
snpd = false;
|
|
}
|
|
|
|
//vector-is-close-to-be-on-axis check again, happens after previous code sometimes
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
if ( fabs( plane.normal()[j] ) < 0.00025 && fabs( plane.normal()[( j + 1 ) % 3] ) < 0.00025
|
|
&& ( plane.normal()[j] != 0.0 || plane.normal()[( j + 1 ) % 3] != 0.0 ) ){
|
|
const Vector3 cnt = ( points[0] + points[1] + points[2] ) / 3.0;
|
|
points[0][( j + 2 ) % 3] = points[1][( j + 2 ) % 3] = points[2][( j + 2 ) % 3] = cnt[( j + 2 ) % 3];
|
|
PlaneFromPoints( plane, points );
|
|
break;
|
|
}
|
|
}
|
|
|
|
//snap single snappable normal components
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
if ( plane.normal()[j] != 0 && fabs( plane.normal()[j] ) < 0.00005 ){
|
|
plane.normal()[j] = 0;
|
|
snpd = true;
|
|
}
|
|
}
|
|
|
|
//adjust plane dist
|
|
if ( snpd ) {
|
|
const Vector3 cnt = ( points[0] + points[1] + points[2] ) / 3.0;
|
|
VectorNormalize( plane.normal() );
|
|
plane.dist() = vector3_dot( plane.normal(), cnt );
|
|
|
|
//project points to resulting plane to keep intersections precision
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
//Sys_Printf( "b4 %i (%6.7f %6.7f %6.7f)\n", j, points[j][0], points[j][1], points[j][2] );
|
|
points[j] = plane3_project_point( plane, points[j] );
|
|
//Sys_Printf( "sn %i (%6.7f %6.7f %6.7f)\n", j, points[j][0], points[j][1], points[j][2] );
|
|
}
|
|
//Sys_Printf( "sn pln (%6.7f %6.7f %6.7f %6.7f)\n", plane.a, plane.b, plane.c, plane.d );
|
|
//PlaneFromPoints( plane, points );
|
|
//Sys_Printf( "pts pln (%6.7f %6.7f %6.7f %6.7f)\n", plane.a, plane.b, plane.c, plane.d );
|
|
}
|
|
|
|
/* sanity check */
|
|
{
|
|
const Vector3 d1 = points[1] - points[0];
|
|
const Vector3 d2 = points[2] - points[0];
|
|
const Vector3 normal = vector3_cross( d2, d1 );
|
|
/* https://en.wikipedia.org/wiki/Cross_product#Geometric_meaning
|
|
cross( a, b ).length = a.length b.length sin( angle ) */
|
|
const double lengthsSquared = vector3_length_squared( d1 ) * vector3_length_squared( d2 );
|
|
if ( lengthsSquared == 0 || ( vector3_length_squared( normal ) / lengthsSquared ) < 1e-8 ) {
|
|
Sys_Warning( "triangle (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) of %s was not autoclipped: points on line\n",
|
|
points[0][0], points[0][1], points[0][2], points[1][0], points[1][1], points[1][2], points[2][0], points[2][1], points[2][2], modelName );
|
|
continue;
|
|
}
|
|
}
|
|
|
|
|
|
if ( spf == ( ePyramidaClip | eAxialBackplane ) ){ // pyramid with 3 of 4 sides axial (->small bsp)
|
|
|
|
for ( j = 0; j < 3; ++j )
|
|
if ( fabs( plane.normal()[j] ) < 0.05 && fabs( plane.normal()[( j + 1 ) % 3] ) < 0.05 ) //no way, close to lay on two axes
|
|
goto default_CLIPMODEL;
|
|
|
|
// best axial normal
|
|
Vector3 bestNormal = plane.normal();
|
|
axis = normal_make_axial( bestNormal );
|
|
|
|
float mindist = 999999;
|
|
|
|
for ( j = 0; j < 3; ++j ){ // planes
|
|
float bestdist = 999999, bestangle = 1;
|
|
|
|
for ( k = 0; k < 3; ++k ){ // axes
|
|
Vector3 nrm = points[( j + 1 ) % 3] - points[j];
|
|
if ( k == axis ){
|
|
reverse.normal() = vector3_cross( bestNormal, nrm );
|
|
}
|
|
else{
|
|
Vector3 vnrm( 0 );
|
|
if ( ( k + 1 ) % 3 == axis ){
|
|
if ( nrm[( k + 2 ) % 3] == 0 )
|
|
continue;
|
|
vnrm[( k + 2 ) % 3] = nrm[( k + 2 ) % 3];
|
|
}
|
|
else{
|
|
if ( nrm[( k + 1 ) % 3] == 0 )
|
|
continue;
|
|
vnrm[( k + 1 ) % 3] = nrm[( k + 1 ) % 3];
|
|
}
|
|
const Vector3 enrm = vector3_cross( bestNormal, vnrm );
|
|
reverse.normal() = vector3_cross( enrm, nrm );
|
|
}
|
|
VectorNormalize( reverse.normal() );
|
|
reverse.dist() = vector3_dot( points[ j ], reverse.normal() );
|
|
//check facing, thickness
|
|
const float currdist = reverse.dist() - vector3_dot( reverse.normal(), points[( j + 2 ) % 3] );
|
|
const float currangle = vector3_dot( reverse.normal(), plane.normal() );
|
|
if ( ( ( currdist > 0.1 ) && ( currdist < bestdist ) && ( currangle < 0 ) ) ||
|
|
( ( currangle >= 0 ) && ( currangle <= bestangle ) ) ){
|
|
bestangle = currangle;
|
|
if ( currangle < 0 )
|
|
bestdist = currdist;
|
|
p[j] = reverse;
|
|
}
|
|
}
|
|
if ( bestdist == 999999 && bestangle == 1 ){
|
|
// Sys_Printf( "default_CLIPMODEL\n" );
|
|
goto default_CLIPMODEL;
|
|
}
|
|
value_minimize( mindist, bestdist );
|
|
}
|
|
if ( (limDepth != 0.0) && (mindist > limDepth) )
|
|
goto default_CLIPMODEL;
|
|
|
|
nonax_clip_dbg( p );
|
|
|
|
make_brush_sides<4>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
else if ( spf == eExtrudeTerrain
|
|
|| spf == eExtrudeDownwards
|
|
|| spf == eExtrudeUpwards
|
|
|| spf == eAxialBackplane
|
|
|| spf == ( eExtrudeTerrain | eMaxExtrude )
|
|
|| spf == ( eExtrudeTerrain | eAxialBackplane )
|
|
|| spf == ( eExtrudeDownwards | eExtrudeUpwards )
|
|
|| spf == ( eExtrudeDownwards | eMaxExtrude )
|
|
|| spf == ( eExtrudeDownwards | eAxialBackplane )
|
|
|| spf == ( eExtrudeDownwards | eExtrudeUpwards | eMaxExtrude )
|
|
|| spf == ( eExtrudeDownwards | eExtrudeUpwards | eAxialBackplane )
|
|
|| spf == ( eExtrudeUpwards | eMaxExtrude )
|
|
|| spf == ( eExtrudeUpwards | eAxialBackplane ) ){
|
|
|
|
Vector3 bestNormal;
|
|
|
|
if ( spf & eExtrudeTerrain ){ //autodirection
|
|
bestNormal = avgDirection;
|
|
}
|
|
else{
|
|
axis = 2;
|
|
if ( ( spf & eExtrudeDownwards ) && ( spf & eExtrudeUpwards ) ){
|
|
bestNormal = plane.normal()[2] >= 0? g_vector3_axis_z : -g_vector3_axis_z;
|
|
}
|
|
else if ( spf & eExtrudeDownwards ){
|
|
bestNormal = g_vector3_axis_z;
|
|
}
|
|
else if ( spf & eExtrudeUpwards ){
|
|
bestNormal = -g_vector3_axis_z;
|
|
}
|
|
else{ // best axial normal
|
|
bestNormal = plane.normal();
|
|
axis = normal_make_axial( bestNormal );
|
|
}
|
|
}
|
|
|
|
if ( vector3_dot( plane.normal(), bestNormal ) < 0.05 ){
|
|
goto default_CLIPMODEL;
|
|
}
|
|
|
|
|
|
/* make side planes */
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
p[j].normal() = VectorNormalized( vector3_cross( bestNormal, points[( j + 1 ) % 3] - points[j] ) );
|
|
p[j].dist() = vector3_dot( points[j], p[j].normal() );
|
|
}
|
|
|
|
/* make back plane */
|
|
if ( spf & eMaxExtrude ){ //max extrude
|
|
reverse.normal() = -bestNormal;
|
|
if ( bestNormal[axis] > 0 ){
|
|
reverse.dist() = -minmax.mins[axis] + clipDepth;
|
|
}
|
|
else{
|
|
reverse.dist() = minmax.maxs[axis] + clipDepth;
|
|
}
|
|
}
|
|
else if ( spf & eAxialBackplane ){ //axial backplane
|
|
reverse.normal() = -bestNormal;
|
|
reverse.dist() = points[0][axis];
|
|
if ( bestNormal[axis] > 0 ){
|
|
for ( j = 1; j < 3; ++j ){
|
|
value_minimize( reverse.dist(), points[j][axis] );
|
|
}
|
|
reverse.dist() = -reverse.dist() + clipDepth;
|
|
}
|
|
else{
|
|
for ( j = 1; j < 3; ++j ){
|
|
value_maximize( reverse.dist(), points[j][axis] );
|
|
}
|
|
reverse.dist() += clipDepth;
|
|
}
|
|
if ( limDepth != 0.0 ){
|
|
Vector3 cnt = points[0];
|
|
if ( bestNormal[axis] > 0 ){
|
|
for ( j = 1; j < 3; ++j ){
|
|
if ( points[j][axis] > cnt[axis] ){
|
|
cnt = points[j];
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for ( j = 1; j < 3; ++j ){
|
|
if ( points[j][axis] < cnt[axis] ){
|
|
cnt = points[j];
|
|
}
|
|
}
|
|
}
|
|
cnt = plane3_project_point( reverse, cnt );
|
|
if ( -plane3_distance_to_point( plane, cnt ) > limDepth ){
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += clipDepth;
|
|
}
|
|
}
|
|
}
|
|
else{ //normal backplane
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += clipDepth;
|
|
}
|
|
|
|
nonax_clip_dbg( p );
|
|
|
|
make_brush_sides<5>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
else if ( spf == ( eExtrudeFaceNormals | ePyramidaClip ) ){ // extrude 45
|
|
//45 degrees normals for side planes
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
const Vector3 nrm = points[( j + 1 ) % 3] - points[ j ];
|
|
Vector3 enrm = VectorNormalized( vector3_cross( plane.normal(), nrm ) );
|
|
enrm += plane.normal();
|
|
VectorNormalize( enrm );
|
|
/* make side planes */
|
|
p[j].normal() = VectorNormalized( vector3_cross( enrm, nrm ) );
|
|
p[j].dist() = vector3_dot( points[j], p[j].normal() );
|
|
//snap nearly axial side planes
|
|
snpd = false;
|
|
for ( k = 0; k < 3; ++k )
|
|
{
|
|
if ( fabs( p[j].normal()[k] ) < 0.00025 && p[j].normal()[k] != 0.0 ){
|
|
p[j].normal()[k] = 0.0;
|
|
snpd = true;
|
|
}
|
|
}
|
|
if ( snpd ){
|
|
VectorNormalize( p[j].normal() );
|
|
p[j].dist() = vector3_dot( ( points[j] + points[( j + 1 ) % 3] ) / 2.0, p[j].normal() );
|
|
}
|
|
}
|
|
|
|
/* make back plane */
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += clipDepth;
|
|
|
|
make_brush_sides<5>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
else if ( spf == eExtrudeVertexNormals
|
|
|| spf == ( eExtrudeVertexNormals | ePyramidaClip ) ){ // vertex normals + don't check for sides, sticking outwards
|
|
Vector3 Vnorm[3], Enorm[3];
|
|
/* get vertex normals */
|
|
for ( j = 0; j < 3; ++j ){
|
|
/* copy normal */
|
|
Vnorm[j] = ds->verts[ds->indexes[i + j]].normal;
|
|
}
|
|
|
|
//avg normals for side planes
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
Enorm[ j ] = VectorNormalized( Vnorm[ j ] + Vnorm[( j + 1 ) % 3] );
|
|
//check fuer bad ones
|
|
const Vector3 nrm = VectorNormalized( vector3_cross( plane.normal(), points[( j + 1 ) % 3] - points[ j ] ) );
|
|
//check for negative or outside direction
|
|
if ( vector3_dot( Enorm[j], plane.normal() ) > 0.1 ){
|
|
if ( ( vector3_dot( Enorm[j], nrm ) > -0.2 ) || ( spf & ePyramidaClip ) ){
|
|
//ok++;
|
|
continue;
|
|
}
|
|
}
|
|
//notok++;
|
|
//Sys_Printf( "faulty Enormal %i/%i\n", notok, ok );
|
|
//use 45 normal
|
|
Enorm[ j ] = plane.normal() + nrm;
|
|
VectorNormalize( Enorm[ j ] );
|
|
}
|
|
|
|
/* make side planes */
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
p[j].normal() = VectorNormalized( vector3_cross( Enorm[j], points[( j + 1 ) % 3] - points[j] ) );
|
|
p[j].dist() = vector3_dot( points[j], p[j].normal() );
|
|
//snap nearly axial side planes
|
|
snpd = false;
|
|
for ( k = 0; k < 3; ++k )
|
|
{
|
|
if ( fabs( p[j].normal()[k] ) < 0.00025 && p[j].normal()[k] != 0.0 ){
|
|
//Sys_Printf( "init plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
p[j].normal()[k] = 0.0;
|
|
snpd = true;
|
|
}
|
|
}
|
|
if ( snpd ){
|
|
VectorNormalize( p[j].normal() );
|
|
//Sys_Printf( "nrm plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
p[j].dist() = vector3_dot( ( points[j] + points[( j + 1 ) % 3] ) / 2.0, p[j].normal() );
|
|
//Sys_Printf( "dst plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
}
|
|
}
|
|
|
|
/* make back plane */
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += clipDepth;
|
|
|
|
make_brush_sides<5>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
else if ( spf == eExtrudeFaceNormals ){
|
|
|
|
/* make side planes */
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
p[j].normal() = VectorNormalized( vector3_cross( plane.normal(), points[( j + 1 ) % 3] - points[j] ) );
|
|
p[j].dist() = vector3_dot( points[j], p[j].normal() );
|
|
//snap nearly axial side planes
|
|
snpd = false;
|
|
for ( k = 0; k < 3; ++k )
|
|
{
|
|
if ( fabs( p[j].normal()[k] ) < 0.00025 && p[j].normal()[k] != 0.0 ){
|
|
//Sys_Printf( "init plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
p[j].normal()[k] = 0.0;
|
|
snpd = true;
|
|
}
|
|
}
|
|
if ( snpd ){
|
|
VectorNormalize( p[j].normal() );
|
|
//Sys_Printf( "nrm plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
const Vector3 cnt = ( points[j] + points[( j + 1 ) % 3] ) / 2.0;
|
|
p[j].dist() = vector3_dot( cnt, p[j].normal() );
|
|
//Sys_Printf( "dst plane %6.8f %6.8f %6.8f %6.8f\n", p[j].a, p[j].b, p[j].c, p[j].d );
|
|
}
|
|
}
|
|
|
|
/* make back plane */
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += clipDepth;
|
|
|
|
nonax_clip_dbg( p );
|
|
|
|
make_brush_sides<5>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
else if ( spf == ePyramidaClip ){
|
|
|
|
/* calculate center */
|
|
Vector3 cnt = ( points[0] + points[1] + points[2] ) / 3.0;
|
|
|
|
/* make back pyramid point */
|
|
cnt -= plane.normal() * clipDepth;
|
|
|
|
/* make 3 more planes */
|
|
if( PlaneFromPoints( p[0], points[1], points[0], cnt ) &&
|
|
PlaneFromPoints( p[1], points[2], points[1], cnt ) &&
|
|
PlaneFromPoints( p[2], points[0], points[2], cnt ) ) {
|
|
|
|
//check for dangerous planes
|
|
while( (( p[0].a != 0.0 || p[0].b != 0.0 ) && fabs( p[0].a ) < 0.00025 && fabs( p[0].b ) < 0.00025) ||
|
|
(( p[0].a != 0.0 || p[0].c != 0.0 ) && fabs( p[0].a ) < 0.00025 && fabs( p[0].c ) < 0.00025) ||
|
|
(( p[0].c != 0.0 || p[0].b != 0.0 ) && fabs( p[0].c ) < 0.00025 && fabs( p[0].b ) < 0.00025) ||
|
|
(( p[1].a != 0.0 || p[1].b != 0.0 ) && fabs( p[1].a ) < 0.00025 && fabs( p[1].b ) < 0.00025) ||
|
|
(( p[1].a != 0.0 || p[1].c != 0.0 ) && fabs( p[1].a ) < 0.00025 && fabs( p[1].c ) < 0.00025) ||
|
|
(( p[1].c != 0.0 || p[1].b != 0.0 ) && fabs( p[1].c ) < 0.00025 && fabs( p[1].b ) < 0.00025) ||
|
|
(( p[2].a != 0.0 || p[2].b != 0.0 ) && fabs( p[2].a ) < 0.00025 && fabs( p[2].b ) < 0.00025) ||
|
|
(( p[2].a != 0.0 || p[2].c != 0.0 ) && fabs( p[2].a ) < 0.00025 && fabs( p[2].c ) < 0.00025) ||
|
|
(( p[2].c != 0.0 || p[2].b != 0.0 ) && fabs( p[2].c ) < 0.00025 && fabs( p[2].b ) < 0.00025) ) {
|
|
cnt -= plane.normal() * 0.1f;
|
|
// Sys_Printf( "shifting pyramid point\n" );
|
|
PlaneFromPoints( p[0], points[1], points[0], cnt );
|
|
PlaneFromPoints( p[1], points[2], points[1], cnt );
|
|
PlaneFromPoints( p[2], points[0], points[2], cnt );
|
|
}
|
|
|
|
nonax_clip_dbg( p );
|
|
|
|
make_brush_sides<4>( plane, p, reverse, points, si );
|
|
}
|
|
else
|
|
{
|
|
Sys_Warning( "triangle (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) of %s was not autoclipped\n",
|
|
points[0][0], points[0][1], points[0][2], points[1][0], points[1][1], points[1][2], points[2][0], points[2][1], points[2][2], modelName );
|
|
continue;
|
|
}
|
|
}
|
|
|
|
|
|
else if ( ( si->clipModel && spf == 0 ) || ( spawnFlags & eClipFlags ) == eClipModel ){ //default CLIPMODEL
|
|
|
|
default_CLIPMODEL:
|
|
// axial normal
|
|
Vector3 bestNormal = plane.normal();
|
|
normal_make_axial( bestNormal );
|
|
|
|
/* make side planes */
|
|
for ( j = 0; j < 3; ++j )
|
|
{
|
|
p[j].normal() = VectorNormalized( vector3_cross( bestNormal, points[( j + 1 ) % 3] - points[j] ) );
|
|
p[j].dist() = vector3_dot( points[j], p[j].normal() );
|
|
}
|
|
|
|
/* make back plane */
|
|
reverse = plane3_flipped( plane );
|
|
reverse.dist() += vector3_dot( bestNormal, plane.normal() ) * clipDepth;
|
|
|
|
nonax_clip_dbg( p );
|
|
|
|
make_brush_sides<5>( plane, p, reverse, points, si );
|
|
}
|
|
|
|
|
|
/* add to entity */
|
|
if ( CreateBrushWindings( buildBrush ) ) {
|
|
AddBrushBevels();
|
|
//% EmitBrushes( buildBrush, NULL, NULL );
|
|
brush_t& newBrush = entity.brushes.emplace_front( buildBrush );
|
|
newBrush.original = &newBrush;
|
|
entity.numBrushes++;
|
|
}
|
|
else{
|
|
Sys_Warning( "triangle (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) (%6.0f %6.0f %6.0f) of %s was not autoclipped\n",
|
|
points[0][0], points[0][1], points[0][2], points[1][0], points[1][1], points[1][2], points[2][0], points[2][1], points[2][2], modelName );
|
|
}
|
|
}
|
|
}
|
|
// normalEpsilon = normalEpsilon_save;
|
|
}
|
|
else if ( spawnFlags & eClipFlags ){
|
|
Sys_Warning( "nonexistent clipping mode selected\n" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
InsertModel() - ydnar
|
|
adds a picomodel into the bsp
|
|
*/
|
|
|
|
void InsertModel( const char *name, const char *skin, int frame, const Matrix4& transform, const std::list<remap_t> *remaps, shaderInfo_t *celShader, entity_t& entity, int castShadows, int recvShadows, int spawnFlags, float lightmapScale, int lightmapSampleSize, float shadeAngle, float clipDepth ){
|
|
int i, j;
|
|
const Matrix4 nTransform( matrix4_for_normal_transform( transform ) );
|
|
const bool transform_lefthanded = MATRIX4_LEFTHANDED == matrix4_handedness( transform );
|
|
AssModel *model;
|
|
shaderInfo_t *si;
|
|
mapDrawSurface_t *ds;
|
|
const char *picoShaderName;
|
|
|
|
|
|
/* get model */
|
|
model = LoadModel( name, frame );
|
|
if ( model == NULL ) {
|
|
return;
|
|
}
|
|
|
|
/* load skin file */
|
|
std::list<remap_t> skins;
|
|
if( !strEmptyOrNull( skin ) ){
|
|
const bool isnumber = std::all_of( skin, skin + strlen( skin ), ::isdigit );
|
|
|
|
StringOutputStream skinfilename( 99 );
|
|
if( isnumber )
|
|
skinfilename( name, '_', skin, ".skin" ); // DarkPlaces naming: models/relics/relic.md3_14.skin for models/relics/relic.md3
|
|
else
|
|
skinfilename( PathExtensionless( name ), '_', skin, ".skin" ); // Q3 naming: models/players/sarge/head_roderic.skin for models/players/sarge/head.md3
|
|
|
|
if ( MemBuffer skinfile = vfsLoadFile( skinfilename ) ) {
|
|
Sys_Printf( "Using skin %s of %s\n", skin, name );
|
|
for ( char *skinfilenextptr, *skinfileptr = skinfile.data(); !strEmpty( skinfileptr ); skinfileptr = skinfilenextptr )
|
|
{
|
|
// for sscanf
|
|
char format[64];
|
|
|
|
skinfilenextptr = strchr( skinfileptr, '\r' );
|
|
if ( skinfilenextptr != NULL ) {
|
|
strClear( skinfilenextptr++ );
|
|
if( *skinfilenextptr == '\n' ) // handle \r\n
|
|
++skinfilenextptr;
|
|
}
|
|
else
|
|
{
|
|
skinfilenextptr = strchr( skinfileptr, '\n' );
|
|
if ( skinfilenextptr != NULL ) {
|
|
strClear( skinfilenextptr++ );
|
|
}
|
|
else{
|
|
skinfilenextptr = skinfileptr + strlen( skinfileptr );
|
|
}
|
|
}
|
|
|
|
/* create new item */
|
|
remap_t skin;
|
|
|
|
sprintf( format, "replace %%%ds %%%ds", (int)sizeof( skin.from ) - 1, (int)sizeof( skin.to ) - 1 );
|
|
if ( sscanf( skinfileptr, format, skin.from, skin.to ) == 2 ) {
|
|
skins.push_back( skin );
|
|
continue;
|
|
}
|
|
sprintf( format, " %%%d[^, ] ,%%%ds", (int)sizeof( skin.from ) - 1, (int)sizeof( skin.to ) - 1 );
|
|
if ( sscanf( skinfileptr, format, skin.from, skin.to ) == 2 ) {
|
|
skins.push_back( skin );
|
|
continue;
|
|
}
|
|
|
|
/* invalid input line -> discard skin struct */
|
|
Sys_Printf( "Discarding skin directive in %s: %s\n", skinfilename.c_str(), skinfileptr );
|
|
}
|
|
}
|
|
}
|
|
|
|
/* hack: Stable-1_2 and trunk have differing row/column major matrix order
|
|
this transpose is necessary with Stable-1_2
|
|
uncomment the following line with old m4x4_t (non 1.3/spog_branch) code */
|
|
//% m4x4_transpose( transform );
|
|
|
|
/* fix bogus lightmap scale */
|
|
if ( lightmapScale <= 0.0f ) {
|
|
lightmapScale = 1.0f;
|
|
}
|
|
|
|
/* fix bogus shade angle */
|
|
if ( shadeAngle <= 0.0f ) {
|
|
shadeAngle = 0.0f;
|
|
}
|
|
|
|
/* each surface on the model will become a new map drawsurface */
|
|
//% Sys_FPrintf( SYS_VRB, "Model %s has %d surfaces\n", name, numSurfaces );
|
|
for ( const auto& surface : model->m_meshes )
|
|
{
|
|
const aiMesh *mesh = surface.m_mesh;
|
|
/* only handle triangle surfaces initially (fixme: support patches) */
|
|
|
|
/* get shader name */
|
|
picoShaderName = surface.m_shader.c_str();
|
|
|
|
/* handle .skin file */
|
|
if ( !skins.empty() ) {
|
|
picoShaderName = NULL;
|
|
for( const auto& skin : skins )
|
|
{
|
|
if ( striEqual( surface.m_shader.c_str(), skin.from ) ) {
|
|
Sys_FPrintf( SYS_VRB, "Skin file: mapping %s to %s\n", surface.m_shader.c_str(), skin.to );
|
|
picoShaderName = skin.to;
|
|
break;
|
|
}
|
|
}
|
|
if ( picoShaderName == NULL ) {
|
|
Sys_FPrintf( SYS_VRB, "Skin file: not mapping %s\n", surface.m_shader.c_str() );
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* handle shader remapping */
|
|
if( remaps != NULL ){
|
|
const char* to = NULL;
|
|
size_t fromlen = 0;
|
|
for( const auto& rm : *remaps )
|
|
{
|
|
if ( strEqual( rm.from, "*" ) && fromlen == 0 ) { // only globbing, if no respective match
|
|
to = rm.to;
|
|
}
|
|
else if( striEqualSuffix( picoShaderName, rm.from ) && strlen( rm.from ) > fromlen ){ // longer match has priority
|
|
to = rm.to;
|
|
fromlen = strlen( rm.from );
|
|
}
|
|
}
|
|
if( to != NULL ){
|
|
Sys_FPrintf( SYS_VRB, ( fromlen == 0? "Globbing '%s' to '%s'\n" : "Remapping '%s' to '%s'\n" ), picoShaderName, to );
|
|
picoShaderName = to;
|
|
}
|
|
}
|
|
|
|
/* shader renaming for sof2 */
|
|
if ( renameModelShaders ) {
|
|
si = ShaderInfoForShader( String64( PathExtensionless( picoShaderName ), ( spawnFlags & eRMG_BSP )? "_RMG_BSP" : "_BSP" ) );
|
|
}
|
|
else{
|
|
si = ShaderInfoForShader( picoShaderName );
|
|
}
|
|
|
|
/* allocate a surface (ydnar: gs mods) */
|
|
ds = AllocDrawSurface( ESurfaceType::Triangles );
|
|
ds->entityNum = entity.mapEntityNum;
|
|
ds->castShadows = castShadows;
|
|
ds->recvShadows = recvShadows;
|
|
|
|
/* set shader */
|
|
ds->shaderInfo = si;
|
|
|
|
/* force to meta? */
|
|
if ( ( si != NULL && si->forceMeta ) || ( spawnFlags & eForceMeta ) ) { /* 3rd bit */
|
|
ds->type = ESurfaceType::ForcedMeta;
|
|
}
|
|
|
|
/* fix the surface's normals (jal: conditioned by shader info) */
|
|
if ( !( spawnFlags & eNoSmooth ) && ( shadeAngle == 0.0f || ds->type != ESurfaceType::ForcedMeta ) ) {
|
|
// PicoFixSurfaceNormals( surface );
|
|
}
|
|
|
|
/* set sample size */
|
|
if ( lightmapSampleSize > 0.0f ) {
|
|
ds->sampleSize = lightmapSampleSize;
|
|
}
|
|
|
|
/* set lightmap scale */
|
|
if ( lightmapScale > 0.0f ) {
|
|
ds->lightmapScale = lightmapScale;
|
|
}
|
|
|
|
/* set shading angle */
|
|
if ( shadeAngle > 0.0f ) {
|
|
ds->shadeAngleDegrees = shadeAngle;
|
|
}
|
|
|
|
/* set particulars */
|
|
ds->numVerts = mesh->mNumVertices;
|
|
ds->verts = safe_calloc( ds->numVerts * sizeof( ds->verts[ 0 ] ) );
|
|
|
|
ds->numIndexes = mesh->mNumFaces * 3;
|
|
ds->indexes = safe_calloc( ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
|
|
// Sys_Printf( "verts %i idx %i\n", ds->numVerts, ds->numIndexes );
|
|
/* copy vertexes */
|
|
for ( i = 0; i < ds->numVerts; i++ )
|
|
{
|
|
/* get vertex */
|
|
bspDrawVert_t& dv = ds->verts[ i ];
|
|
|
|
/* xyz and normal */
|
|
dv.xyz = { mesh->mVertices[i].x, mesh->mVertices[i].y, mesh->mVertices[i].z };
|
|
matrix4_transform_point( transform, dv.xyz );
|
|
|
|
if( mesh->HasNormals() ){
|
|
dv.normal = { mesh->mNormals[i].x, mesh->mNormals[i].y, mesh->mNormals[i].z };
|
|
matrix4_transform_direction( nTransform, dv.normal );
|
|
VectorNormalize( dv.normal );
|
|
}
|
|
|
|
/* ydnar: tek-fu celshading support for flat shaded shit */
|
|
if ( flat ) {
|
|
dv.st = si->stFlat;
|
|
}
|
|
|
|
/* ydnar: gs mods: added support for explicit shader texcoord generation */
|
|
else if ( si->tcGen ) {
|
|
/* project the texture */
|
|
dv.st[ 0 ] = vector3_dot( si->vecs[ 0 ], dv.xyz );
|
|
dv.st[ 1 ] = vector3_dot( si->vecs[ 1 ], dv.xyz );
|
|
}
|
|
|
|
/* normal texture coordinates */
|
|
else
|
|
{
|
|
if( mesh->HasTextureCoords( 0 ) )
|
|
dv.st = { mesh->mTextureCoords[0][i].x, mesh->mTextureCoords[0][i].y };
|
|
}
|
|
|
|
/* set lightmap/color bits */
|
|
{
|
|
const aiColor4D color = mesh->HasVertexColors( 0 )? mesh->mColors[0][i] : aiColor4D( 1 );
|
|
for ( j = 0; j < MAX_LIGHTMAPS; j++ )
|
|
{
|
|
dv.lightmap[ j ] = { 0, 0 };
|
|
if ( spawnFlags & eColorToAlpha ) { // spawnflag 32: model color -> alpha hack
|
|
dv.color[ j ] = { 255, 255, 255, color_to_byte( RGBTOGRAY( color ) * 255 ) };
|
|
}
|
|
else
|
|
{
|
|
dv.color[ j ] = { color_to_byte( color[0] * 255 ),
|
|
color_to_byte( color[1] * 255 ),
|
|
color_to_byte( color[2] * 255 ),
|
|
color_to_byte( color[3] * 255 ) };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* copy indexes */
|
|
{
|
|
size_t idCopied = 0;
|
|
for ( const aiFace& face : Span( mesh->mFaces, mesh->mNumFaces ) ){
|
|
// if( face.mNumIndices == 3 )
|
|
for ( size_t i = 0; i < 3; i++ ){
|
|
ds->indexes[idCopied++] = face.mIndices[i];
|
|
}
|
|
if( transform_lefthanded ){
|
|
std::swap( ds->indexes[idCopied - 1], ds->indexes[idCopied - 2] );
|
|
}
|
|
}
|
|
}
|
|
|
|
/* set cel shader */
|
|
ds->celShader = celShader;
|
|
|
|
ClipModel( spawnFlags, clipDepth, si, ds, name, entity );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
AddTriangleModels()
|
|
adds misc_model surfaces to the bsp
|
|
*/
|
|
|
|
void AddTriangleModels( entity_t& eparent ){
|
|
/* note it */
|
|
Sys_FPrintf( SYS_VRB, "--- AddTriangleModels ---\n" );
|
|
|
|
/* get current brush entity targetname */
|
|
const char *targetName;
|
|
if ( &eparent == &entities[0] ) {
|
|
targetName = "";
|
|
}
|
|
else{ /* misc_model entities target non-worldspawn brush model entities */
|
|
if ( !eparent.read_keyvalue( targetName, "_targetname", "targetname" ) ) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* walk the entity list */
|
|
for ( std::size_t i = 1; i < entities.size(); ++i )
|
|
{
|
|
/* get entity */
|
|
const entity_t& e = entities[ i ];
|
|
|
|
/* convert misc_models into raw geometry */
|
|
if ( !e.classname_is( "misc_model" ) ) {
|
|
continue;
|
|
}
|
|
|
|
/* ydnar: added support for md3 models on non-worldspawn models */
|
|
if ( const char *target = ""; e.read_keyvalue( target, "_target", "target" ), !strEqual( target, targetName ) ) {
|
|
continue;
|
|
}
|
|
|
|
/* get model name */
|
|
const char *model;
|
|
if ( !e.read_keyvalue( model, "model" ) ) {
|
|
Sys_Warning( "entity#%d misc_model without a model key\n", e.mapEntityNum );
|
|
continue;
|
|
}
|
|
|
|
/* get model frame */
|
|
const int frame = e.intForKey( "_frame", "frame" );
|
|
|
|
int castShadows, recvShadows;
|
|
if ( &eparent == &entities[0] ) { /* worldspawn (and func_groups) default to cast/recv shadows in worldspawn group */
|
|
castShadows = WORLDSPAWN_CAST_SHADOWS;
|
|
recvShadows = WORLDSPAWN_RECV_SHADOWS;
|
|
}
|
|
else{ /* other entities don't cast any shadows, but recv worldspawn shadows */
|
|
castShadows = ENTITY_CAST_SHADOWS;
|
|
recvShadows = ENTITY_RECV_SHADOWS;
|
|
}
|
|
|
|
/* get explicit shadow flags */
|
|
GetEntityShadowFlags( &e, &eparent, &castShadows, &recvShadows );
|
|
|
|
/* get spawnflags */
|
|
const int spawnFlags = e.intForKey( "spawnflags" );
|
|
|
|
/* get origin */
|
|
const Vector3 origin = e.vectorForKey( "origin" ) - eparent.origin; /* offset by parent */
|
|
|
|
/* get scale */
|
|
Vector3 scale( 1 );
|
|
if( !e.read_keyvalue( scale, "modelscale_vec" ) )
|
|
if( e.read_keyvalue( scale[0], "modelscale" ) )
|
|
scale[1] = scale[2] = scale[0];
|
|
|
|
/* get "angle" (yaw) or "angles" (pitch yaw roll), store as (roll pitch yaw) */
|
|
Vector3 angles( 0 );
|
|
if ( e.read_keyvalue( angles, "angles" ) || e.read_keyvalue( angles.y(), "angle" ) )
|
|
angles = angles_pyr2rpy( angles );
|
|
|
|
/* set transform matrix (thanks spog) */
|
|
Matrix4 transform( g_matrix4_identity );
|
|
matrix4_transform_by_euler_xyz_degrees( transform, origin, angles, scale );
|
|
|
|
/* get shader remappings */
|
|
std::list<remap_t> remaps;
|
|
for ( const auto& ep : e.epairs )
|
|
{
|
|
/* look for keys prefixed with "_remap" */
|
|
if ( striEqualPrefix( ep.key.c_str(), "_remap" ) ) {
|
|
/* create new remapping */
|
|
remap_t remap;
|
|
strcpy( remap.from, ep.value.c_str() );
|
|
|
|
/* split the string */
|
|
char *split = strchr( remap.from, ';' );
|
|
if ( split == NULL ) {
|
|
Sys_Warning( "Shader _remap key found in misc_model without a ; character: '%s'\n", remap.from );
|
|
continue;
|
|
}
|
|
else if( split == remap.from ){
|
|
Sys_Warning( "_remap FROM is empty in '%s'\n", remap.from );
|
|
continue;
|
|
}
|
|
else if( strEmpty( split + 1 ) ){
|
|
Sys_Warning( "_remap TO is empty in '%s'\n", remap.from );
|
|
continue;
|
|
}
|
|
else if( strlen( split + 1 ) >= sizeof( remap.to ) ){
|
|
Sys_Warning( "_remap TO is too long in '%s'\n", remap.from );
|
|
continue;
|
|
}
|
|
|
|
/* store the split */
|
|
strClear( split );
|
|
strcpy( remap.to, ( split + 1 ) );
|
|
remaps.push_back( remap );
|
|
|
|
/* note it */
|
|
//% Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", remap->from, remap->to );
|
|
}
|
|
}
|
|
|
|
/* ydnar: cel shader support */
|
|
shaderInfo_t *celShader;
|
|
if( const char *value; e.read_keyvalue( value, "_celshader" ) ||
|
|
entities[ 0 ].read_keyvalue( value, "_celshader" ) ){
|
|
celShader = ShaderInfoForShader( String64( "textures/", value ) );
|
|
}
|
|
else{
|
|
celShader = globalCelShader.empty() ? NULL : ShaderInfoForShader( globalCelShader );
|
|
}
|
|
|
|
/* jal : entity based _samplesize */
|
|
const int lightmapSampleSize = std::max( 0, e.intForKey( "_lightmapsamplesize", "_samplesize", "_ss" ) );
|
|
if ( lightmapSampleSize != 0 )
|
|
Sys_Printf( "misc_model has lightmap sample size of %.d\n", lightmapSampleSize );
|
|
|
|
/* get lightmap scale */
|
|
const float lightmapScale = std::max( 0.f, e.floatForKey( "lightmapscale", "_lightmapscale", "_ls" ) );
|
|
if ( lightmapScale != 0 )
|
|
Sys_Printf( "misc_model has lightmap scale of %.4f\n", lightmapScale );
|
|
|
|
/* jal : entity based _shadeangle */
|
|
const float shadeAngle = std::max( 0.f, e.floatForKey( "_shadeangle",
|
|
"_smoothnormals", "_sn", "_sa", "_smooth" ) ); /* vortex' aliases */
|
|
if ( shadeAngle != 0 )
|
|
Sys_Printf( "misc_model has shading angle of %.4f\n", shadeAngle );
|
|
|
|
const char *skin = nullptr;
|
|
e.read_keyvalue( skin, "_skin", "skin" );
|
|
|
|
float clipDepth = clipDepthGlobal;
|
|
if ( e.read_keyvalue( clipDepth, "_clipdepth" ) )
|
|
Sys_Printf( "misc_model %s has autoclip depth of %.3f\n", model, clipDepth );
|
|
|
|
|
|
/* insert the model */
|
|
InsertModel( model, skin, frame, transform, &remaps, celShader, eparent, castShadows, recvShadows, spawnFlags, lightmapScale, lightmapSampleSize, shadeAngle, clipDepth );
|
|
}
|
|
}
|