WIP of assimp integration.

2026-02-13 03:33:48 +00:00 · 2019-02-08 16:25:43 -06:00 · 2019-02-08 16:25:43 -06:00 · bf170ffbca
commit bf170ffbca
parent 32c7f2c7a7
2135 changed files with 1260856 additions and 7 deletions
--- a/Engine/source/ts/assimp/assimpAppMaterial.cpp
+++ b/Engine/source/ts/assimp/assimpAppMaterial.cpp
@ -0,0 +1,138 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "ts/loader/appSequence.h"
+#include "ts/assimp/assimpAppMaterial.h"
+#include "ts/assimp/assimpAppMesh.h"
+#include "materials/materialManager.h"
+#include "ts/tsMaterialList.h"
+
+// assimp include files. 
+#include <assimp/cimport.h>
+#include <assimp/scene.h>
+#include <assimp/postprocess.h>
+#include <assimp/types.h>
+
+String AppMaterial::cleanString(const String& str)
+{
+   String cleanStr(str);
+
+   // Replace invalid characters with underscores
+   const String badChars(" -,.+=*/");
+   for (String::SizeType i = 0; i < badChars.length(); i++)
+      cleanStr.replace(badChars[i], '_');
+
+   // Prefix with an underscore if string starts with a number
+   if ((cleanStr[0] >= '0') && (cleanStr[0] <= '9'))
+      cleanStr.insert(0, '_');
+
+   return cleanStr;
+}
+
+AssimpAppMaterial::AssimpAppMaterial(const char* matName)
+{
+   name = matName;
+   diffuseColor = LinearColorF::ONE;
+   specularColor = LinearColorF::ONE;
+   specularPower = 0.8f;
+   doubleSided = false;
+
+   // Set some defaults
+   flags |= TSMaterialList::S_Wrap;
+   flags |= TSMaterialList::T_Wrap;
+}
+
+AssimpAppMaterial::AssimpAppMaterial(const struct aiMaterial* mtl)
+{
+   aiString matName;
+   mtl->Get(AI_MATKEY_NAME, matName);
+   name = matName.C_Str();
+   if ( name.isEmpty() )
+      name = "defaultMaterial";
+   Con::printf("[ASSIMP] Loaded Material: %s", matName.C_Str());
+   
+   // Opacity
+   F32 opacity = 0.0f;
+   mtl->Get(AI_MATKEY_OPACITY, opacity);
+
+   // Diffuse color
+   aiColor3D diff_color (0.f, 0.f, 0.f);
+   mtl->Get(AI_MATKEY_COLOR_DIFFUSE, diff_color);
+   diffuseColor = LinearColorF(diff_color.r, diff_color.g, diff_color.b, opacity);
+
+   // Spec Color color
+   aiColor3D spec_color (0.f, 0.f, 0.f);
+   mtl->Get(AI_MATKEY_COLOR_DIFFUSE, spec_color );
+   specularColor = LinearColorF(spec_color.r, spec_color.g, spec_color.b, 1.0f);
+
+   // Specular Power
+   mtl->Get(AI_MATKEY_SHININESS_STRENGTH, specularPower);
+
+   // Double-Sided
+   S32 dbl_sided = 0;
+   mtl->Get(AI_MATKEY_TWOSIDED, dbl_sided);
+   doubleSided = (dbl_sided != 0);
+
+   // Set some defaults
+   flags |= TSMaterialList::S_Wrap;
+   flags |= TSMaterialList::T_Wrap;
+}
+
+Material* AssimpAppMaterial::createMaterial(const Torque::Path& path) const
+{
+   // The filename and material name are used as TorqueScript identifiers, so
+   // clean them up first
+   String cleanFile = cleanString(TSShapeLoader::getShapePath().getFileName());
+   String cleanName = cleanString(getName());
+
+   // Prefix the material name with the filename (if not done already by TSShapeConstructor prefix)
+   //if (!cleanName.startsWith(cleanFile))
+   //   cleanName = cleanFile + "_" + cleanName;
+
+   // Determine the blend operation for this material
+   Material::BlendOp blendOp = (flags & TSMaterialList::Translucent) ? Material::LerpAlpha : Material::None;
+   if (flags & TSMaterialList::Additive)
+      blendOp = Material::Add;
+   else if (flags & TSMaterialList::Subtractive)
+      blendOp = Material::Sub;
+
+   // Create the Material definition
+   const String oldScriptFile = Con::getVariable("$Con::File");
+   Con::setVariable("$Con::File", path.getFullPath());   // modify current script path so texture lookups are correct
+   Material *newMat = MATMGR->allocateAndRegister( cleanName, getName() );
+   Con::setVariable("$Con::File", oldScriptFile);        // restore script path
+
+   newMat->mDiffuseMapFilename[0] = "";
+   newMat->mNormalMapFilename[0] = "";
+   newMat->mSpecularMapFilename[0] = "";
+
+   newMat->mDiffuse[0] = diffuseColor;
+   //newMat->mSpecular[0] = specularColor;
+   //newMat->mSpecularPower[0] = specularPower;
+
+   newMat->mDoubleSided = doubleSided;
+   newMat->mTranslucent = (bool)(flags & TSMaterialList::Translucent);
+   newMat->mTranslucentBlendOp = blendOp;
+
+   return newMat;
+}