diff options
Diffstat (limited to 'src/mesh/assimp-master/samples/SimpleAssimpViewX/MyDocument.mm')
| -rw-r--r-- | src/mesh/assimp-master/samples/SimpleAssimpViewX/MyDocument.mm | 808 |
1 files changed, 0 insertions, 808 deletions
diff --git a/src/mesh/assimp-master/samples/SimpleAssimpViewX/MyDocument.mm b/src/mesh/assimp-master/samples/SimpleAssimpViewX/MyDocument.mm deleted file mode 100644 index cbe0348..0000000 --- a/src/mesh/assimp-master/samples/SimpleAssimpViewX/MyDocument.mm +++ /dev/null @@ -1,808 +0,0 @@ -// -// MyDocument.m -// DisplayLinkAsyncMoviePlayer -// -// Created by vade on 10/26/10. -// Copyright __MyCompanyName__ 2010 . All rights reserved. -// - -#import "cimport.h" -#import "config.h" -#import "MyDocument.h" -#import <OpenGL/CGLMacro.h> - -#pragma mark - -#pragma mark Helper Functions - -#define aisgl_min(x,y) (x<y?x:y) -#define aisgl_max(x,y) (y>x?y:x) - -static void color4_to_float4(const aiColor4D *c, float f[4]) -{ - f[0] = c->r; - f[1] = c->g; - f[2] = c->b; - f[3] = c->a; -} - -static void set_float4(float f[4], float a, float b, float c, float d) -{ - f[0] = a; - f[1] = b; - f[2] = c; - f[3] = d; -} - -#pragma mark - -#pragma mark CVDisplayLink Callback -static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink,const CVTimeStamp *inNow,const CVTimeStamp *inOutputTime,CVOptionFlags flagsIn,CVOptionFlags *flagsOut,void *displayLinkContext) -{ - CVReturn error = [(MyDocument*) displayLinkContext displayLinkRenderCallback:inOutputTime]; - return error; -} - -#pragma mark - - -@implementation MyDocument -@synthesize _view; - -- (id)init -{ - self = [super init]; - if (self != nil) - { - // initialization code - } - return self; -} - -- (NSString *)windowNibName -{ - return @"MyDocument"; -} - -- (void)windowControllerDidLoadNib:(NSWindowController *)windowController -{ - [super windowControllerDidLoadNib:windowController]; - - NSOpenGLPixelFormatAttribute attributes[] = - { - NSOpenGLPFADoubleBuffer, - NSOpenGLPFAAccelerated, - NSOpenGLPFADepthSize, 24, - NSOpenGLPFAMultisample, - NSOpenGLPFASampleBuffers, 2, - (NSOpenGLPixelFormatAttribute) 0 - }; - - _glPixelFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes]; - - if(!_glPixelFormat) - NSLog(@"Error creating PF"); - - _glContext = [[NSOpenGLContext alloc] initWithFormat:_glPixelFormat shareContext:nil]; - - const GLint one = 1; - - [_glContext setValues:&one forParameter:NSOpenGLCPSwapInterval]; - [_glContext setView:_view]; - - // Set up initial GL state. - CGLContextObj cgl_ctx = (CGLContextObj)[_glContext CGLContextObj]; - - glEnable(GL_MULTISAMPLE); - - glClearColor(0.3, 0.3, 0.3, 0.3); - - // enable color tracking - //glEnable(GL_COLOR_MATERIAL); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LEQUAL); - glDepthMask(GL_TRUE); - - glEnable(GL_NORMALIZE); - glEnable(GL_TEXTURE_2D); - - glShadeModel(GL_SMOOTH); - - glEnable(GL_LIGHTING); - - GLfloat global_ambient[] = { 0.5f, 0.5f, 0.5f, 1.0f }; - glLightModelfv(GL_LIGHT_MODEL_AMBIENT, global_ambient); - - GLfloat specular[] = {1.0f, 1.0f, 1.0f, 1.0f}; - glLightfv(GL_LIGHT0, GL_SPECULAR, specular); - - GLfloat diffuse[] = {1.0f, 1.0f, 1.0f, 1.0f}; - glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse); - - GLfloat ambient[] = {0.2, 0.2f, 0.2f, 0.2f}; - glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); - - GLfloat position[] = { 1.0f, 1.0f, 1.0f, 1.0f}; - glLightfv(GL_LIGHT0, GL_POSITION, position); - - glEnable(GL_LIGHT0); - - // This is the only client state that always has to be set. - glEnableClientState(GL_VERTEX_ARRAY); - - // end GL State setup. - - // Display Link setup. - CVReturn error = kCVReturnSuccess; - - error = CVDisplayLinkCreateWithActiveCGDisplays(&_displayLink); - if(error == kCVReturnError) - NSLog(@"Error Creating DisplayLink"); - - error = CVDisplayLinkSetOutputCallback(_displayLink,MyDisplayLinkCallback, self); - if(error == kCVReturnError) - NSLog(@"Error Setting DisplayLink Callback"); - - error = CVDisplayLinkStart(_displayLink); - if(error == kCVReturnError) - NSLog(@"Error Starting DisplayLink"); - - NSOpenPanel* openPanel = [NSOpenPanel openPanel]; - - [openPanel beginSheetModalForWindow:[_view window] completionHandler:^(NSInteger result) - { - if (result == NSOKButton) - { - [openPanel orderOut:self]; // close panel before we might present an error - - if([[NSFileManager defaultManager] fileExistsAtPath:[openPanel filename]]) - { - // Load our new path. - - // only ever give us triangles. - aiPropertyStore* props = aiCreatePropertyStore(); - aiSetImportPropertyInteger(props, AI_CONFIG_PP_SBP_REMOVE, aiPrimitiveType_LINE | aiPrimitiveType_POINT ); - - NSUInteger aiPostProccesFlags; - - switch (2) - { - case 0: - aiPostProccesFlags = aiProcessPreset_TargetRealtime_Fast; - break; - case 1: - aiPostProccesFlags = aiProcessPreset_TargetRealtime_Quality; - break; - case 2: - aiPostProccesFlags = aiProcessPreset_TargetRealtime_MaxQuality; - break; - default: - aiPostProccesFlags = aiProcessPreset_TargetRealtime_MaxQuality; - break; - } - - // aiProcess_FlipUVs is needed for VAO / VBOs, not sure why. - _scene = (aiScene*) aiImportFileExWithProperties([[openPanel filename] cStringUsingEncoding:[NSString defaultCStringEncoding]], aiPostProccesFlags | aiProcess_Triangulate | aiProcess_FlipUVs | aiProcess_PreTransformVertices | 0, NULL, props); - - aiReleasePropertyStore(props); - - if (_scene) - { - textureDictionary = [[NSMutableDictionary alloc] initWithCapacity:5]; - - // Why do I need to cast this !? - CGLContextObj cgl_ctx = (CGLContextObj)[_glContext CGLContextObj]; - CGLLockContext(cgl_ctx); - - [self loadTexturesInContext:cgl_ctx withModelPath:[[openPanel filename] stringByStandardizingPath]]; - - //NSDictionary* userInfo = [NSDictionary dictionaryWithObjectsAndKeys:[NSValue valueWithPointer:cgl_ctx], @"context", [self.inputModelPath stringByStandardizingPath], @"path", nil ]; - //[self performSelectorInBackground:@selector(loadTexturesInBackground:) withObject:userInfo]; - - [self getBoundingBoxWithMinVector:&scene_min maxVectr:&scene_max]; - scene_center.x = (scene_min.x + scene_max.x) / 2.0f; - scene_center.y = (scene_min.y + scene_max.y) / 2.0f; - scene_center.z = (scene_min.z + scene_max.z) / 2.0f; - - // optional normalized scaling - normalizedScale = scene_max.x-scene_min.x; - normalizedScale = aisgl_max(scene_max.y - scene_min.y,normalizedScale); - normalizedScale = aisgl_max(scene_max.z - scene_min.z,normalizedScale); - normalizedScale = 1.f / normalizedScale; - - if(_scene->HasAnimations()) - NSLog(@"scene has animations"); - - [self createGLResourcesInContext:cgl_ctx]; - CGLUnlockContext(cgl_ctx); - } - } - } - }]; // end block handler -} - -- (void) close -{ - CVDisplayLinkStop(_displayLink); - CVDisplayLinkRelease(_displayLink); - - if(_scene) - { - aiReleaseImport(_scene); - _scene = NULL; - - CGLContextObj cgl_ctx = (CGLContextObj)[_glContext CGLContextObj]; - glDeleteTextures([textureDictionary count], textureIds); - - [textureDictionary release]; - textureDictionary = nil; - - free(textureIds); - textureIds = NULL; - - [self deleteGLResourcesInContext:cgl_ctx]; - } - - [_glContext release]; - _glContext = nil; - - [_glPixelFormat release]; - _glPixelFormat = nil; - - [super close]; -} - -- (CVReturn)displayLinkRenderCallback:(const CVTimeStamp *)timeStamp -{ - CVReturn rv = kCVReturnError; - NSAutoreleasePool *pool; - - pool = [[NSAutoreleasePool alloc] init]; - { - [self render]; - rv = kCVReturnSuccess; - } - [pool release]; - return rv; -} - -- (void) render -{ - CGLContextObj cgl_ctx = (CGLContextObj)[_glContext CGLContextObj]; - CGLLockContext(cgl_ctx); - - [_glContext update]; - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - - glViewport(0, 0, _view.frame.size.width, _view.frame.size.height); - - GLfloat aspect = _view.frame.size.height/_view.frame.size.width; - glOrtho(-1, 1, - (aspect), aspect, -10, 10); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glTranslated(0.0, 0.0, 1.0); - - // Draw our GL model. - if(_scene) - { - glScaled(normalizedScale , normalizedScale, normalizedScale); - // center the model - glTranslated( -scene_center.x, -scene_center.y, -scene_center.z); - - glScaled(2.0, 2.0, 2.0); - - static float i = 0; - i+=0.5; - glRotated(i, 0, 1, 0); - - [self drawMeshesInContext:cgl_ctx]; - } - - CGLUnlockContext(cgl_ctx); - - CGLFlushDrawable(cgl_ctx); -} - -#pragma mark - -#pragma mark Loading - -// Inspired by LoadAsset() & CreateAssetData() from AssimpView D3D project -- (void) createGLResourcesInContext:(CGLContextObj)cgl_ctx -{ - // create new mesh helpers for each mesh, will populate their data later. - modelMeshes = [[NSMutableArray alloc] initWithCapacity:_scene->mNumMeshes]; - - // create OpenGL buffers and populate them based on each meshes pertinant info. - for (unsigned int i = 0; i < _scene->mNumMeshes; ++i) - { - NSLog(@"%u", i); - - // current mesh we are introspecting - const aiMesh* mesh = _scene->mMeshes[i]; - - // the current meshHelper we will be populating data into. - MeshHelper* meshHelper = [[MeshHelper alloc] init]; - - // Handle material info - - aiMaterial* mtl = _scene->mMaterials[mesh->mMaterialIndex]; - - // Textures - int texIndex = 0; - aiString texPath; - - if(AI_SUCCESS == mtl->GetTexture(aiTextureType_DIFFUSE, texIndex, &texPath)) - { - NSString* textureKey = [NSString stringWithCString:texPath.data encoding:[NSString defaultCStringEncoding]]; - //bind texture - NSNumber* textureNumber = (NSNumber*)[textureDictionary valueForKey:textureKey]; - - //NSLog(@"applyMaterialInContext: have texture %i", [textureNumber unsignedIntValue]); - meshHelper.textureID = [textureNumber unsignedIntValue]; - } - else - meshHelper.textureID = 0; - - // Colors - - aiColor4D dcolor = aiColor4D(0.8f, 0.8f, 0.8f, 1.0f); - if(AI_SUCCESS == aiGetMaterialColor(mtl, AI_MATKEY_COLOR_DIFFUSE, &dcolor)) - [meshHelper setDiffuseColor:&dcolor]; - - aiColor4D scolor = aiColor4D(0.0f, 0.0f, 0.0f, 1.0f); - if(AI_SUCCESS == aiGetMaterialColor(mtl, AI_MATKEY_COLOR_SPECULAR, &scolor)) - [meshHelper setSpecularColor:&scolor]; - - aiColor4D acolor = aiColor4D(0.2f, 0.2f, 0.2f, 1.0f); - if(AI_SUCCESS == aiGetMaterialColor(mtl, AI_MATKEY_COLOR_AMBIENT, &acolor)) - [meshHelper setAmbientColor:&acolor]; - - aiColor4D ecolor = aiColor4D(0.0f, 0.0f, 0.0f, 1.0f); - if(AI_SUCCESS == aiGetMaterialColor(mtl, AI_MATKEY_COLOR_EMISSIVE, &ecolor)) - [meshHelper setEmissiveColor:&ecolor]; - - // Culling - unsigned int max = 1; - int two_sided; - if((AI_SUCCESS == aiGetMaterialIntegerArray(mtl, AI_MATKEY_TWOSIDED, &two_sided, &max)) && two_sided) - [meshHelper setTwoSided:YES]; - else - [meshHelper setTwoSided:NO]; - - // Create a VBO for our vertices - - GLuint vhandle; - glGenBuffers(1, &vhandle); - - glBindBuffer(GL_ARRAY_BUFFER, vhandle); - glBufferData(GL_ARRAY_BUFFER, sizeof(Vertex) * mesh->mNumVertices, NULL, GL_STATIC_DRAW); - - // populate vertices - Vertex* verts = (Vertex*)glMapBuffer(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); - - for (unsigned int x = 0; x < mesh->mNumVertices; ++x) - { - verts->vPosition = mesh->mVertices[x]; - - if (NULL == mesh->mNormals) - verts->vNormal = aiVector3D(0.0f,0.0f,0.0f); - else - verts->vNormal = mesh->mNormals[x]; - - if (NULL == mesh->mTangents) - { - verts->vTangent = aiVector3D(0.0f,0.0f,0.0f); - verts->vBitangent = aiVector3D(0.0f,0.0f,0.0f); - } - else - { - verts->vTangent = mesh->mTangents[x]; - verts->vBitangent = mesh->mBitangents[x]; - } - - if (mesh->HasVertexColors(0)) - { - verts->dColorDiffuse = mesh->mColors[0][x]; - } - else - verts->dColorDiffuse = aiColor4D(1.0, 1.0, 1.0, 1.0); - - // This varies slightly form Assimp View, we support the 3rd texture component. - if (mesh->HasTextureCoords(0)) - verts->vTextureUV = mesh->mTextureCoords[0][x]; - else - verts->vTextureUV = aiVector3D(0.5f,0.5f, 0.0f); - - if (mesh->HasTextureCoords(1)) - verts->vTextureUV2 = mesh->mTextureCoords[1][x]; - else - verts->vTextureUV2 = aiVector3D(0.5f,0.5f, 0.0f); - - // TODO: handle Bone indices and weights - /* if( mesh->HasBones()) - { - unsigned char boneIndices[4] = { 0, 0, 0, 0 }; - unsigned char boneWeights[4] = { 0, 0, 0, 0 }; - ai_assert( weightsPerVertex[x].size() <= 4); - - for( unsigned int a = 0; a < weightsPerVertex[x].size(); a++) - { - boneIndices[a] = weightsPerVertex[x][a].mVertexId; - boneWeights[a] = (unsigned char) (weightsPerVertex[x][a].mWeight * 255.0f); - } - - memcpy( verts->mBoneIndices, boneIndices, sizeof( boneIndices)); - memcpy( verts->mBoneWeights, boneWeights, sizeof( boneWeights)); - } - else - */ - { - memset( verts->mBoneIndices, 0, sizeof( verts->mBoneIndices)); - memset( verts->mBoneWeights, 0, sizeof( verts->mBoneWeights)); - } - - ++verts; - } - - glUnmapBufferARB(GL_ARRAY_BUFFER_ARB); //invalidates verts - glBindBuffer(GL_ARRAY_BUFFER, 0); - - // set the mesh vertex buffer handle to our new vertex buffer. - meshHelper.vertexBuffer = vhandle; - - // Create Index Buffer - - // populate the index buffer. - NSUInteger nidx; - switch (mesh->mPrimitiveTypes) - { - case aiPrimitiveType_POINT: - nidx = 1;break; - case aiPrimitiveType_LINE: - nidx = 2;break; - case aiPrimitiveType_TRIANGLE: - nidx = 3;break; - default: assert(false); - } - - // create the index buffer - GLuint ihandle; - glGenBuffers(1, &ihandle); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ihandle); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint) * mesh->mNumFaces * nidx, NULL, GL_STATIC_DRAW); - - unsigned int* indices = (unsigned int*)glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY_ARB); - - // now fill the index buffer - for (unsigned int x = 0; x < mesh->mNumFaces; ++x) - { - for (unsigned int a = 0; a < nidx; ++a) - { - // if(mesh->mFaces[x].mNumIndices != 3) - // NSLog(@"whoa don't have 3 indices..."); - - *indices++ = mesh->mFaces[x].mIndices[a]; - } - } - - glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); - - // set the mesh index buffer handle to our new index buffer. - meshHelper.indexBuffer = ihandle; - meshHelper.numIndices = mesh->mNumFaces * nidx; - - // create the normal buffer. Assimp View creates a second normal buffer. Unsure why. Using only the interleaved normals for now. - // This is here for reference. - - /* GLuint nhandle; - glGenBuffers(1, &nhandle); - glBindBuffer(GL_ARRAY_BUFFER, nhandle); - glBufferData(GL_ARRAY_BUFFER, sizeof(aiVector3D)* mesh->mNumVertices, NULL, GL_STATIC_DRAW); - - // populate normals - aiVector3D* normals = (aiVector3D*)glMapBuffer(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); - - for (unsigned int x = 0; x < mesh->mNumVertices; ++x) - { - aiVector3D vNormal = mesh->mNormals[x]; - *normals = vNormal; - ++normals; - } - - glUnmapBufferARB(GL_ARRAY_BUFFER_ARB); //invalidates verts - glBindBuffer(GL_ARRAY_BUFFER, 0); - - meshHelper.normalBuffer = nhandle; - */ - - // Create VAO and populate it - - GLuint vaoHandle; - glGenVertexArraysAPPLE(1, &vaoHandle); - - glBindVertexArrayAPPLE(vaoHandle); - - - glBindBuffer(GL_ARRAY_BUFFER, meshHelper.vertexBuffer); - - glEnableClientState(GL_NORMAL_ARRAY); - glNormalPointer(GL_FLOAT, sizeof(Vertex), BUFFER_OFFSET(12)); - - glEnableClientState(GL_COLOR_ARRAY); - glColorPointer(4, GL_FLOAT, sizeof(Vertex), BUFFER_OFFSET(24)); - - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - glTexCoordPointer(3, GL_FLOAT, sizeof(Vertex), BUFFER_OFFSET(64)); - //TODO: handle second texture - - // VertexPointer ought to come last, apparently this is some optimization, since if its set once, first, it gets fiddled with every time something else is update. - glEnableClientState(GL_VERTEX_ARRAY); - glVertexPointer(3, GL_FLOAT, sizeof(Vertex), 0); - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, meshHelper.indexBuffer); - - glBindVertexArrayAPPLE(0); - - // save the VAO handle into our mesh helper - meshHelper.vao = vaoHandle; - - // Create the display list - - GLuint list = glGenLists(1); - - glNewList(list, GL_COMPILE); - - float dc[4]; - float sc[4]; - float ac[4]; - float emc[4]; - - // Material colors and properties - color4_to_float4([meshHelper diffuseColor], dc); - glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, dc); - - color4_to_float4([meshHelper specularColor], sc); - glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, sc); - - color4_to_float4([meshHelper ambientColor], ac); - glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, ac); - - color4_to_float4(meshHelper.emissiveColor, emc); - glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, emc); - - glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE); - - // Culling - if(meshHelper.twoSided) - glEnable(GL_CULL_FACE); - else - glDisable(GL_CULL_FACE); - - - // Texture Binding - glBindTexture(GL_TEXTURE_2D, meshHelper.textureID); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - - // This binds the whole VAO, inheriting all the buffer and client state. Weeee - glBindVertexArrayAPPLE(meshHelper.vao); - glDrawElements(GL_TRIANGLES, meshHelper.numIndices, GL_UNSIGNED_INT, 0); - - glEndList(); - - meshHelper.displayList = list; - - // Whew, done. Save all of this shit. - [modelMeshes addObject:meshHelper]; - - [meshHelper release]; - } -} - -- (void) deleteGLResourcesInContext:(CGLContextObj)cgl_ctx -{ - for(MeshHelper* helper in modelMeshes) - { - const GLuint indexBuffer = helper.indexBuffer; - const GLuint vertexBuffer = helper.vertexBuffer; - const GLuint normalBuffer = helper.normalBuffer; - const GLuint vaoHandle = helper.vao; - const GLuint dlist = helper.displayList; - - glDeleteBuffers(1, &vertexBuffer); - glDeleteBuffers(1, &indexBuffer); - glDeleteBuffers(1, &normalBuffer); - glDeleteVertexArraysAPPLE(1, &vaoHandle); - - glDeleteLists(1, dlist); - - helper.indexBuffer = 0; - helper.vertexBuffer = 0; - helper.normalBuffer = 0; - helper.vao = 0; - helper.displayList = 0; - } - - [modelMeshes release]; - modelMeshes = nil; -} - -- (void) drawMeshesInContext:(CGLContextObj)cgl_ctx -{ - for(MeshHelper* helper in modelMeshes) - { - // Set up material state. - glCallList(helper.displayList); - } -} - - -- (void) loadTexturesInContext:(CGLContextObj)cgl_ctx withModelPath:(NSString*) modelPath -{ - if (_scene->HasTextures()) - { - NSLog(@"Support for meshes with embedded textures is not implemented"); - return; - } - - /* getTexture Filenames and Numb of Textures */ - for (unsigned int m = 0; m < _scene->mNumMaterials; m++) - { - int texIndex = 0; - aiReturn texFound = AI_SUCCESS; - - aiString path; // filename - - // TODO: handle other aiTextureTypes - while (texFound == AI_SUCCESS) - { - texFound = _scene->mMaterials[m]->GetTexture(aiTextureType_DIFFUSE, texIndex, &path); - - NSString* texturePath = [NSString stringWithCString:path.data encoding:[NSString defaultCStringEncoding]]; - - // add our path to the texture and the index to our texture dictionary. - [textureDictionary setValue:[NSNumber numberWithUnsignedInt:texIndex] forKey:texturePath]; - - texIndex++; - } - } - - textureIds = (GLuint*) malloc(sizeof(GLuint) * [textureDictionary count]); //new GLuint[ [textureDictionary count] ]; - glGenTextures([textureDictionary count], textureIds); - - NSLog(@"textureDictionary: %@", textureDictionary); - - // create our textures, populate them, and alter our textureID value for the specific textureID we create. - - // so we can modify while we enumerate... - NSDictionary *textureCopy = [textureDictionary copy]; - - // GCD attempt. - //dispatch_sync(_queue, ^{ - - int i = 0; - - for(NSString* texturePath in textureCopy) - { - NSString* fullTexturePath = [[[modelPath stringByDeletingLastPathComponent] stringByAppendingPathComponent:[texturePath stringByStandardizingPath]] stringByStandardizingPath]; - NSLog(@"texturePath: %@", fullTexturePath); - - NSImage* textureImage = [[NSImage alloc] initWithContentsOfFile:fullTexturePath]; - - if(textureImage) - { - //NSLog(@"Have Texture Image"); - NSBitmapImageRep* bitmap = [NSBitmapImageRep alloc]; - - [textureImage lockFocus]; - [bitmap initWithFocusedViewRect:NSMakeRect(0, 0, textureImage.size.width, textureImage.size.height)]; - [textureImage unlockFocus]; - - glActiveTexture(GL_TEXTURE0); - glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, textureIds[i]); - //glPixelStorei(GL_UNPACK_ROW_LENGTH, [bitmap pixelsWide]); - //glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - // generate mip maps - glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - // draw into our bitmap - int samplesPerPixel = [bitmap samplesPerPixel]; - - if(![bitmap isPlanar] && (samplesPerPixel == 3 || samplesPerPixel == 4)) - { - glTexImage2D(GL_TEXTURE_2D, - 0, - //samplesPerPixel == 4 ? GL_COMPRESSED_RGBA_S3TC_DXT3_EXT : GL_COMPRESSED_RGB_S3TC_DXT1_EXT, - samplesPerPixel == 4 ? GL_RGBA8 : GL_RGB8, - [bitmap pixelsWide], - [bitmap pixelsHigh], - 0, - samplesPerPixel == 4 ? GL_RGBA : GL_RGB, - GL_UNSIGNED_BYTE, - [bitmap bitmapData]); - - } - - - // update our dictionary to contain the proper textureID value (from out array of generated IDs) - [textureDictionary setValue:[NSNumber numberWithUnsignedInt:textureIds[i]] forKey:texturePath]; - - [bitmap release]; - } - else - { - [textureDictionary removeObjectForKey:texturePath]; - NSLog(@"Could not Load Texture: %@, removing reference to it.", fullTexturePath); - } - - [textureImage release]; - i++; - } - //}); - - [textureCopy release]; - -} - -- (void) getBoundingBoxWithMinVector:(aiVector3D*) min maxVectr:(aiVector3D*) max -{ - aiMatrix4x4 trafo; - aiIdentityMatrix4(&trafo); - - min->x = min->y = min->z = 1e10f; - max->x = max->y = max->z = -1e10f; - - [self getBoundingBoxForNode:_scene->mRootNode minVector:min maxVector:max matrix:&trafo]; -} - -- (void) getBoundingBoxForNode:(const aiNode*)nd minVector:(aiVector3D*) min maxVector:(aiVector3D*) max matrix:(aiMatrix4x4*) trafo -{ - aiMatrix4x4 prev; - unsigned int n = 0, t; - - prev = *trafo; - aiMultiplyMatrix4(trafo,&nd->mTransformation); - - for (; n < nd->mNumMeshes; ++n) - { - const aiMesh* mesh = _scene->mMeshes[nd->mMeshes[n]]; - for (t = 0; t < mesh->mNumVertices; ++t) - { - aiVector3D tmp = mesh->mVertices[t]; - aiTransformVecByMatrix4(&tmp,trafo); - - min->x = aisgl_min(min->x,tmp.x); - min->y = aisgl_min(min->y,tmp.y); - min->z = aisgl_min(min->z,tmp.z); - - max->x = aisgl_max(max->x,tmp.x); - max->y = aisgl_max(max->y,tmp.y); - max->z = aisgl_max(max->z,tmp.z); - } - } - - for (n = 0; n < nd->mNumChildren; ++n) - { - [self getBoundingBoxForNode:nd->mChildren[n] minVector:min maxVector:max matrix:trafo]; - } - - *trafo = prev; -} - - -@end |