diff options
Diffstat (limited to 'Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp')
| -rw-r--r-- | Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp | 780 |
1 files changed, 390 insertions, 390 deletions
diff --git a/Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp b/Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp index cc0eb47..a871f35 100644 --- a/Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp +++ b/Samples/CommonSrc/Render/Render_XmlSceneLoader.cpp @@ -1,390 +1,390 @@ -/************************************************************************************
-
-Filename : Render_XmlSceneLoader.cpp
-Content : Imports and exports XML files - implementation
-Created : January 21, 2013
-Authors : Robotic Arm Software - Peter Hoff, Dan Goodman, Bryan Croteau
-
-Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-************************************************************************************/
-
-#include "Render_XmlSceneLoader.h"
-#include <Kernel/OVR_Log.h>
-
-#ifdef OVR_DEFINE_NEW
-#undef new
-#endif
-
-namespace OVR { namespace Render {
-
-XmlHandler::XmlHandler() : pXmlDocument(NULL)
-{
- pXmlDocument = new tinyxml2::XMLDocument();
-}
-
-XmlHandler::~XmlHandler()
-{
- delete pXmlDocument;
-}
-
-bool XmlHandler::ReadFile(const char* fileName, OVR::Render::RenderDevice* pRender,
- OVR::Render::Scene* pScene,
- OVR::Array<Ptr<CollisionModel> >* pCollisions,
- OVR::Array<Ptr<CollisionModel> >* pGroundCollisions)
-{
- if(pXmlDocument->LoadFile(fileName) != 0)
- {
- return false;
- }
-
- // Extract the relative path to our working directory for loading textures
- filePath[0] = 0;
- SPInt pos = 0;
- SPInt len = strlen(fileName);
- for(SPInt i = len; i > 0; i--)
- {
- if (fileName[i-1]=='\\' || fileName[i-1]=='/')
- {
- memcpy(filePath, fileName, i);
- filePath[i] = 0;
- break;
- }
- }
-
- // Load the textures
- OVR_DEBUG_LOG_TEXT(("Loading textures..."));
- XMLElement* pXmlTexture = pXmlDocument->FirstChildElement("scene")->FirstChildElement("textures");
- if (pXmlTexture)
- {
- pXmlTexture->QueryIntAttribute("count", &textureCount);
- pXmlTexture = pXmlTexture->FirstChildElement("texture");
- }
-
- for(int i = 0; i < textureCount; ++i)
- {
- const char* textureName = pXmlTexture->Attribute("fileName");
- SPInt dotpos = strcspn(textureName, ".");
- char fname[300];
-
- if (pos == len)
- {
- OVR_sprintf(fname, 300, "%s", textureName);
- }
- else
- {
- OVR_sprintf(fname, 300, "%s%s", filePath, textureName);
- }
-
- SysFile* pFile = new SysFile(fname);
- Ptr<Texture> texture;
- if (textureName[dotpos + 1] == 'd' || textureName[dotpos + 1] == 'D')
- {
- // DDS file
- texture.SetPtr(*LoadTextureDDS(pRender, pFile));
- }
- else
- {
- texture.SetPtr(*LoadTextureTga(pRender, pFile));
- }
-
- Textures.PushBack(texture);
- pFile->Close();
- pFile->Release();
- pXmlTexture = pXmlTexture->NextSiblingElement("texture");
- }
- OVR_DEBUG_LOG_TEXT(("Done.\n"));
-
- // Load the models
- pXmlDocument->FirstChildElement("scene")->FirstChildElement("models")->
- QueryIntAttribute("count", &modelCount);
-
- OVR_DEBUG_LOG(("Loading models... %i models to load...", modelCount));
- XMLElement* pXmlModel = pXmlDocument->FirstChildElement("scene")->
- FirstChildElement("models")->FirstChildElement("model");
- for(int i = 0; i < modelCount; ++i)
- {
- if (i % 15 == 0)
- {
- OVR_DEBUG_LOG_TEXT(("%i models remaining...", modelCount - i));
- }
- Models.PushBack(*new Model(Prim_Triangles));
- bool isCollisionModel = false;
- pXmlModel->QueryBoolAttribute("isCollisionModel", &isCollisionModel);
- Models[i]->IsCollisionModel = isCollisionModel;
- if (isCollisionModel)
- {
- Models[i]->Visible = false;
- }
-
- //read the vertices
- OVR::Array<Vector3f> *vertices = new OVR::Array<Vector3f>();
- ParseVectorString(pXmlModel->FirstChildElement("vertices")->FirstChild()->
- ToText()->Value(), vertices);
-
- for (unsigned int vertexIndex = 0; vertexIndex < vertices->GetSize(); ++vertexIndex)
- {
- vertices->At(vertexIndex).x *= -1.0f;
- }
-
- //read the normals
- OVR::Array<Vector3f> *normals = new OVR::Array<Vector3f>();
- ParseVectorString(pXmlModel->FirstChildElement("normals")->FirstChild()->
- ToText()->Value(), normals);
-
- for (unsigned int normalIndex = 0; normalIndex < normals->GetSize(); ++normalIndex)
- {
- normals->At(normalIndex).z *= -1.0f;
- }
-
- //read the textures
- OVR::Array<Vector3f> *diffuseUVs = new OVR::Array<Vector3f>();
- OVR::Array<Vector3f> *lightmapUVs = new OVR::Array<Vector3f>();
- int diffuseTextureIndex = -1;
- int lightmapTextureIndex = -1;
- XMLElement* pXmlCurMaterial = pXmlModel->FirstChildElement("material");
-
- while(pXmlCurMaterial != NULL)
- {
- if(pXmlCurMaterial->Attribute("name", "diffuse"))
- {
- pXmlCurMaterial->FirstChildElement("texture")->
- QueryIntAttribute("index", &diffuseTextureIndex);
- if(diffuseTextureIndex > -1)
- {
- ParseVectorString(pXmlCurMaterial->FirstChildElement("texture")->
- FirstChild()->ToText()->Value(), diffuseUVs, true);
- }
- }
- else if(pXmlCurMaterial->Attribute("name", "lightmap"))
- {
- pXmlCurMaterial->FirstChildElement("texture")->
- QueryIntAttribute("index", &lightmapTextureIndex);
- if(lightmapTextureIndex > -1)
- {
- XMLElement* firstChildElement = pXmlCurMaterial->FirstChildElement("texture");
- XMLNode* firstChild = firstChildElement->FirstChild();
- XMLText* text = firstChild->ToText();
- const char* value = text->Value();
- ParseVectorString(value, lightmapUVs, true);
- }
- }
-
- pXmlCurMaterial = pXmlCurMaterial->NextSiblingElement("material");
- }
-
- //set up the shader
- Ptr<ShaderFill> shader = *new ShaderFill(*pRender->CreateShaderSet());
- shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Vertex, VShader_MVP));
- if(diffuseTextureIndex > -1)
- {
- shader->SetTexture(0, Textures[diffuseTextureIndex]);
- if(lightmapTextureIndex > -1)
- {
- shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_MultiTexture));
- shader->SetTexture(1, Textures[lightmapTextureIndex]);
- }
- else
- {
- shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_Texture));
- }
- }
- else
- {
- shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_LitGouraud));
- }
- Models[i]->Fill = shader;
-
- //add all the vertices to the model
- const UPInt numVerts = vertices->GetSize();
- for(UPInt v = 0; v < numVerts; ++v)
- {
- if(diffuseTextureIndex > -1)
- {
- if(lightmapTextureIndex > -1)
- {
- Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 255, 255),
- diffuseUVs->At(v).x, diffuseUVs->At(v).y, lightmapUVs->At(v).x, lightmapUVs->At(v).y,
- normals->At(v).x, normals->At(v).y, normals->At(v).z);
- }
- else
- {
- Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 255, 255),
- diffuseUVs->At(v).x, diffuseUVs->At(v).y, 0, 0,
- normals->At(v).x, normals->At(v).y, normals->At(v).z);
- }
- }
- else
- {
- Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 0, 0, 128),
- 0, 0, 0, 0,
- normals->At(v).x, normals->At(v).y, normals->At(v).z);
- }
- }
-
- // Read the vertex indices for the triangles
- const char* indexStr = pXmlModel->FirstChildElement("indices")->
- FirstChild()->ToText()->Value();
- UPInt stringLength = strlen(indexStr);
-
- for(UPInt j = 0; j < stringLength;)
- {
- UPInt k = j + 1;
- for(; k < stringLength; ++k)
- {
- if(indexStr[k] == ' ')
- {
- break;
- }
- }
- char text[20];
- for(UPInt l = 0; l < k - j; ++l)
- {
- text[l] = indexStr[j + l];
- }
- text[k - j] = '\0';
- Models[i]->Indices.InsertAt(0, (unsigned short)atoi(text));
- j = k + 1;
- }
-
- delete vertices;
- delete normals;
- delete diffuseUVs;
- delete lightmapUVs;
-
- pScene->World.Add(Models[i]);
- pScene->Models.PushBack(Models[i]);
- pXmlModel = pXmlModel->NextSiblingElement("model");
- }
- OVR_DEBUG_LOG(("Done."));
-
- //load the collision models
- OVR_DEBUG_LOG(("Loading collision models... "));
- XMLElement* pXmlCollisionModel = pXmlDocument->FirstChildElement("scene")->FirstChildElement("collisionModels");
- if (pXmlCollisionModel)
- {
- pXmlCollisionModel->QueryIntAttribute("count", &collisionModelCount);
- pXmlCollisionModel = pXmlCollisionModel->FirstChildElement("collisionModel");
- }
-
- XMLElement* pXmlPlane = NULL;
- for(int i = 0; i < collisionModelCount; ++i)
- {
- Ptr<CollisionModel> cm = *new CollisionModel();
- int planeCount = 0;
- pXmlCollisionModel->QueryIntAttribute("planeCount", &planeCount);
-
- pXmlPlane = pXmlCollisionModel->FirstChildElement("plane");
- for(int j = 0; j < planeCount; ++j)
- {
- Vector3f norm;
- pXmlPlane->QueryFloatAttribute("nx", &norm.x);
- pXmlPlane->QueryFloatAttribute("ny", &norm.y);
- pXmlPlane->QueryFloatAttribute("nz", &norm.z);
- float D;
- pXmlPlane->QueryFloatAttribute("d", &D);
- D -= 0.5f;
- Planef p(norm.z, norm.y, norm.x * -1.0f, D);
- cm->Add(p);
- pXmlPlane = pXmlPlane->NextSiblingElement("plane");
- }
-
- pCollisions->PushBack(cm);
- pXmlCollisionModel = pXmlCollisionModel->NextSiblingElement("collisionModel");
- }
- OVR_DEBUG_LOG(("done."));
-
- //load the ground collision models
- OVR_DEBUG_LOG(("Loading ground collision models..."));
- pXmlCollisionModel = pXmlDocument->FirstChildElement("scene")->FirstChildElement("groundCollisionModels");
- if (pXmlCollisionModel)
- {
- pXmlCollisionModel->QueryIntAttribute("count", &groundCollisionModelCount);
- pXmlCollisionModel = pXmlCollisionModel->FirstChildElement("collisionModel");
- }
- pXmlPlane = NULL;
- for(int i = 0; i < groundCollisionModelCount; ++i)
- {
- Ptr<CollisionModel> cm = *new CollisionModel();
- int planeCount = 0;
- pXmlCollisionModel->QueryIntAttribute("planeCount", &planeCount);
-
- pXmlPlane = pXmlCollisionModel->FirstChildElement("plane");
- for(int j = 0; j < planeCount; ++j)
- {
- Vector3f norm;
- pXmlPlane->QueryFloatAttribute("nx", &norm.x);
- pXmlPlane->QueryFloatAttribute("ny", &norm.y);
- pXmlPlane->QueryFloatAttribute("nz", &norm.z);
- float D;
- pXmlPlane->QueryFloatAttribute("d", &D);
- Planef p(norm.z, norm.y, norm.x * -1.0f, D);
- cm->Add(p);
- pXmlPlane = pXmlPlane->NextSiblingElement("plane");
- }
-
- pGroundCollisions->PushBack(cm);
- pXmlCollisionModel = pXmlCollisionModel->NextSiblingElement("collisionModel");
- }
- OVR_DEBUG_LOG(("done."));
- return true;
-}
-
-void XmlHandler::ParseVectorString(const char* str, OVR::Array<OVR::Vector3f> *array,
- bool is2element)
-{
- UPInt stride = is2element ? 2 : 3;
- UPInt stringLength = strlen(str);
- UPInt element = 0;
- float v[3];
-
- for(UPInt j = 0; j < stringLength;)
- {
- UPInt k = j + 1;
- for(; k < stringLength; ++k)
- {
- if(str[k] == ' ')
- {
- break;
- }
- }
- char text[20];
- for(UPInt l = 0; l < k - j; ++l)
- {
- text[l] = str[j + l];
- }
- text[k - j] = '\0';
- v[element] = (float)atof(text);
-
- if(element == (stride - 1))
- {
- //we've got all the elements of our vertex, so store them
- OVR::Vector3f vect;
- vect.x = v[0];
- vect.y = v[1];
- vect.z = is2element ? 0.0f : v[2];
- array->PushBack(vect);
- }
-
- j = k + 1;
- element = (element + 1) % stride;
- }
-}
-
-}} // OVR::Render
-
-#ifdef OVR_DEFINE_NEW
-#define new OVR_DEFINE_NEW
-#endif
+/************************************************************************************ + +Filename : Render_XmlSceneLoader.cpp +Content : Imports and exports XML files - implementation +Created : January 21, 2013 +Authors : Robotic Arm Software - Peter Hoff, Dan Goodman, Bryan Croteau + +Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +************************************************************************************/ + +#include "Render_XmlSceneLoader.h" +#include <Kernel/OVR_Log.h> + +#ifdef OVR_DEFINE_NEW +#undef new +#endif + +namespace OVR { namespace Render { + +XmlHandler::XmlHandler() : pXmlDocument(NULL) +{ + pXmlDocument = new tinyxml2::XMLDocument(); +} + +XmlHandler::~XmlHandler() +{ + delete pXmlDocument; +} + +bool XmlHandler::ReadFile(const char* fileName, OVR::Render::RenderDevice* pRender, + OVR::Render::Scene* pScene, + OVR::Array<Ptr<CollisionModel> >* pCollisions, + OVR::Array<Ptr<CollisionModel> >* pGroundCollisions) +{ + if(pXmlDocument->LoadFile(fileName) != 0) + { + return false; + } + + // Extract the relative path to our working directory for loading textures + filePath[0] = 0; + SPInt pos = 0; + SPInt len = strlen(fileName); + for(SPInt i = len; i > 0; i--) + { + if (fileName[i-1]=='\\' || fileName[i-1]=='/') + { + memcpy(filePath, fileName, i); + filePath[i] = 0; + break; + } + } + + // Load the textures + OVR_DEBUG_LOG_TEXT(("Loading textures...")); + XMLElement* pXmlTexture = pXmlDocument->FirstChildElement("scene")->FirstChildElement("textures"); + if (pXmlTexture) + { + pXmlTexture->QueryIntAttribute("count", &textureCount); + pXmlTexture = pXmlTexture->FirstChildElement("texture"); + } + + for(int i = 0; i < textureCount; ++i) + { + const char* textureName = pXmlTexture->Attribute("fileName"); + SPInt dotpos = strcspn(textureName, "."); + char fname[300]; + + if (pos == len) + { + OVR_sprintf(fname, 300, "%s", textureName); + } + else + { + OVR_sprintf(fname, 300, "%s%s", filePath, textureName); + } + + SysFile* pFile = new SysFile(fname); + Ptr<Texture> texture; + if (textureName[dotpos + 1] == 'd' || textureName[dotpos + 1] == 'D') + { + // DDS file + texture.SetPtr(*LoadTextureDDS(pRender, pFile)); + } + else + { + texture.SetPtr(*LoadTextureTga(pRender, pFile)); + } + + Textures.PushBack(texture); + pFile->Close(); + pFile->Release(); + pXmlTexture = pXmlTexture->NextSiblingElement("texture"); + } + OVR_DEBUG_LOG_TEXT(("Done.\n")); + + // Load the models + pXmlDocument->FirstChildElement("scene")->FirstChildElement("models")-> + QueryIntAttribute("count", &modelCount); + + OVR_DEBUG_LOG(("Loading models... %i models to load...", modelCount)); + XMLElement* pXmlModel = pXmlDocument->FirstChildElement("scene")-> + FirstChildElement("models")->FirstChildElement("model"); + for(int i = 0; i < modelCount; ++i) + { + if (i % 15 == 0) + { + OVR_DEBUG_LOG_TEXT(("%i models remaining...", modelCount - i)); + } + Models.PushBack(*new Model(Prim_Triangles)); + bool isCollisionModel = false; + pXmlModel->QueryBoolAttribute("isCollisionModel", &isCollisionModel); + Models[i]->IsCollisionModel = isCollisionModel; + if (isCollisionModel) + { + Models[i]->Visible = false; + } + + //read the vertices + OVR::Array<Vector3f> *vertices = new OVR::Array<Vector3f>(); + ParseVectorString(pXmlModel->FirstChildElement("vertices")->FirstChild()-> + ToText()->Value(), vertices); + + for (unsigned int vertexIndex = 0; vertexIndex < vertices->GetSize(); ++vertexIndex) + { + vertices->At(vertexIndex).x *= -1.0f; + } + + //read the normals + OVR::Array<Vector3f> *normals = new OVR::Array<Vector3f>(); + ParseVectorString(pXmlModel->FirstChildElement("normals")->FirstChild()-> + ToText()->Value(), normals); + + for (unsigned int normalIndex = 0; normalIndex < normals->GetSize(); ++normalIndex) + { + normals->At(normalIndex).z *= -1.0f; + } + + //read the textures + OVR::Array<Vector3f> *diffuseUVs = new OVR::Array<Vector3f>(); + OVR::Array<Vector3f> *lightmapUVs = new OVR::Array<Vector3f>(); + int diffuseTextureIndex = -1; + int lightmapTextureIndex = -1; + XMLElement* pXmlCurMaterial = pXmlModel->FirstChildElement("material"); + + while(pXmlCurMaterial != NULL) + { + if(pXmlCurMaterial->Attribute("name", "diffuse")) + { + pXmlCurMaterial->FirstChildElement("texture")-> + QueryIntAttribute("index", &diffuseTextureIndex); + if(diffuseTextureIndex > -1) + { + ParseVectorString(pXmlCurMaterial->FirstChildElement("texture")-> + FirstChild()->ToText()->Value(), diffuseUVs, true); + } + } + else if(pXmlCurMaterial->Attribute("name", "lightmap")) + { + pXmlCurMaterial->FirstChildElement("texture")-> + QueryIntAttribute("index", &lightmapTextureIndex); + if(lightmapTextureIndex > -1) + { + XMLElement* firstChildElement = pXmlCurMaterial->FirstChildElement("texture"); + XMLNode* firstChild = firstChildElement->FirstChild(); + XMLText* text = firstChild->ToText(); + const char* value = text->Value(); + ParseVectorString(value, lightmapUVs, true); + } + } + + pXmlCurMaterial = pXmlCurMaterial->NextSiblingElement("material"); + } + + //set up the shader + Ptr<ShaderFill> shader = *new ShaderFill(*pRender->CreateShaderSet()); + shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Vertex, VShader_MVP)); + if(diffuseTextureIndex > -1) + { + shader->SetTexture(0, Textures[diffuseTextureIndex]); + if(lightmapTextureIndex > -1) + { + shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_MultiTexture)); + shader->SetTexture(1, Textures[lightmapTextureIndex]); + } + else + { + shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_Texture)); + } + } + else + { + shader->GetShaders()->SetShader(pRender->LoadBuiltinShader(Shader_Fragment, FShader_LitGouraud)); + } + Models[i]->Fill = shader; + + //add all the vertices to the model + const UPInt numVerts = vertices->GetSize(); + for(UPInt v = 0; v < numVerts; ++v) + { + if(diffuseTextureIndex > -1) + { + if(lightmapTextureIndex > -1) + { + Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 255, 255), + diffuseUVs->At(v).x, diffuseUVs->At(v).y, lightmapUVs->At(v).x, lightmapUVs->At(v).y, + normals->At(v).x, normals->At(v).y, normals->At(v).z); + } + else + { + Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 255, 255), + diffuseUVs->At(v).x, diffuseUVs->At(v).y, 0, 0, + normals->At(v).x, normals->At(v).y, normals->At(v).z); + } + } + else + { + Models[i]->AddVertex(vertices->At(v).z, vertices->At(v).y, vertices->At(v).x, Color(255, 0, 0, 128), + 0, 0, 0, 0, + normals->At(v).x, normals->At(v).y, normals->At(v).z); + } + } + + // Read the vertex indices for the triangles + const char* indexStr = pXmlModel->FirstChildElement("indices")-> + FirstChild()->ToText()->Value(); + UPInt stringLength = strlen(indexStr); + + for(UPInt j = 0; j < stringLength;) + { + UPInt k = j + 1; + for(; k < stringLength; ++k) + { + if(indexStr[k] == ' ') + { + break; + } + } + char text[20]; + for(UPInt l = 0; l < k - j; ++l) + { + text[l] = indexStr[j + l]; + } + text[k - j] = '\0'; + Models[i]->Indices.InsertAt(0, (unsigned short)atoi(text)); + j = k + 1; + } + + delete vertices; + delete normals; + delete diffuseUVs; + delete lightmapUVs; + + pScene->World.Add(Models[i]); + pScene->Models.PushBack(Models[i]); + pXmlModel = pXmlModel->NextSiblingElement("model"); + } + OVR_DEBUG_LOG(("Done.")); + + //load the collision models + OVR_DEBUG_LOG(("Loading collision models... ")); + XMLElement* pXmlCollisionModel = pXmlDocument->FirstChildElement("scene")->FirstChildElement("collisionModels"); + if (pXmlCollisionModel) + { + pXmlCollisionModel->QueryIntAttribute("count", &collisionModelCount); + pXmlCollisionModel = pXmlCollisionModel->FirstChildElement("collisionModel"); + } + + XMLElement* pXmlPlane = NULL; + for(int i = 0; i < collisionModelCount; ++i) + { + Ptr<CollisionModel> cm = *new CollisionModel(); + int planeCount = 0; + pXmlCollisionModel->QueryIntAttribute("planeCount", &planeCount); + + pXmlPlane = pXmlCollisionModel->FirstChildElement("plane"); + for(int j = 0; j < planeCount; ++j) + { + Vector3f norm; + pXmlPlane->QueryFloatAttribute("nx", &norm.x); + pXmlPlane->QueryFloatAttribute("ny", &norm.y); + pXmlPlane->QueryFloatAttribute("nz", &norm.z); + float D; + pXmlPlane->QueryFloatAttribute("d", &D); + D -= 0.5f; + Planef p(norm.z, norm.y, norm.x * -1.0f, D); + cm->Add(p); + pXmlPlane = pXmlPlane->NextSiblingElement("plane"); + } + + pCollisions->PushBack(cm); + pXmlCollisionModel = pXmlCollisionModel->NextSiblingElement("collisionModel"); + } + OVR_DEBUG_LOG(("done.")); + + //load the ground collision models + OVR_DEBUG_LOG(("Loading ground collision models...")); + pXmlCollisionModel = pXmlDocument->FirstChildElement("scene")->FirstChildElement("groundCollisionModels"); + if (pXmlCollisionModel) + { + pXmlCollisionModel->QueryIntAttribute("count", &groundCollisionModelCount); + pXmlCollisionModel = pXmlCollisionModel->FirstChildElement("collisionModel"); + } + pXmlPlane = NULL; + for(int i = 0; i < groundCollisionModelCount; ++i) + { + Ptr<CollisionModel> cm = *new CollisionModel(); + int planeCount = 0; + pXmlCollisionModel->QueryIntAttribute("planeCount", &planeCount); + + pXmlPlane = pXmlCollisionModel->FirstChildElement("plane"); + for(int j = 0; j < planeCount; ++j) + { + Vector3f norm; + pXmlPlane->QueryFloatAttribute("nx", &norm.x); + pXmlPlane->QueryFloatAttribute("ny", &norm.y); + pXmlPlane->QueryFloatAttribute("nz", &norm.z); + float D; + pXmlPlane->QueryFloatAttribute("d", &D); + Planef p(norm.z, norm.y, norm.x * -1.0f, D); + cm->Add(p); + pXmlPlane = pXmlPlane->NextSiblingElement("plane"); + } + + pGroundCollisions->PushBack(cm); + pXmlCollisionModel = pXmlCollisionModel->NextSiblingElement("collisionModel"); + } + OVR_DEBUG_LOG(("done.")); + return true; +} + +void XmlHandler::ParseVectorString(const char* str, OVR::Array<OVR::Vector3f> *array, + bool is2element) +{ + UPInt stride = is2element ? 2 : 3; + UPInt stringLength = strlen(str); + UPInt element = 0; + float v[3]; + + for(UPInt j = 0; j < stringLength;) + { + UPInt k = j + 1; + for(; k < stringLength; ++k) + { + if(str[k] == ' ') + { + break; + } + } + char text[20]; + for(UPInt l = 0; l < k - j; ++l) + { + text[l] = str[j + l]; + } + text[k - j] = '\0'; + v[element] = (float)atof(text); + + if(element == (stride - 1)) + { + //we've got all the elements of our vertex, so store them + OVR::Vector3f vect; + vect.x = v[0]; + vect.y = v[1]; + vect.z = is2element ? 0.0f : v[2]; + array->PushBack(vect); + } + + j = k + 1; + element = (element + 1) % stride; + } +} + +}} // OVR::Render + +#ifdef OVR_DEFINE_NEW +#define new OVR_DEFINE_NEW +#endif |