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C++ VertexDecl::push_back方法代码示例

本文整理汇总了C++中VertexDecl::push_back方法的典型用法代码示例。如果您正苦于以下问题：C++ VertexDecl::push_back方法的具体用法？C++ VertexDecl::push_back怎么用？C++ VertexDecl::push_back使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VertexDecl的用法示例。


在下文中一共展示了VertexDecl::push_back方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: evaluatePrimitive

void Model_Sonic::evaluatePrimitive(Primitive &primitive) {
	/* Create the actual IBO and VBO structures. */

	if (primitive.invalid || primitive.indices.empty() || primitive.vertices.empty())
		return;

	// Create the index buffer

	primitive.indexBuffer.setSize(primitive.indices.size(), sizeof(uint16), GL_UNSIGNED_SHORT);

	uint16 *indices = (uint16 *) primitive.indexBuffer.getData();
	memcpy(indices, &primitive.indices[0], primitive.indices.size() * sizeof(uint16));

	// Create vertex buffer

	VertexDecl vertexDecl;

	vertexDecl.push_back(VertexAttrib(VPOSITION, 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VNORMAL  , 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VCOLOR   , 4, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VTCOORD  , 2, GL_FLOAT));

	primitive.vertexBuffer.setVertexDeclInterleave(primitive.vertices.size(), vertexDecl);

	float *vData = (float *) primitive.vertexBuffer.getData();
	for (PrimitiveVertices::const_iterator v = primitive.vertices.begin(); v != primitive.vertices.end(); ++v) {
		/* To get the absolute position of the vertex, transform it by the absolute
		 * position of its base node. Use an identity matrix as a fallback. */

		// TODO: For some primitives, we need to calculate the weighted average of several matrices
		Common::TransformationMatrix matrix;
		if (!v->nodes.empty() && v->nodes[0].node)
			matrix = v->nodes[0].node->getAsolutePosition();

		const Common::Vector3 pos = matrix * v->vertex;

		*vData++ = pos[0];
		*vData++ = pos[1];
		*vData++ = pos[2];

		*vData++ = v->normal[0];
		*vData++ = v->normal[1];
		*vData++ = v->normal[2];

		*vData++ = v->color[0];
		*vData++ = v->color[1];
		*vData++ = v->color[2];
		*vData++ = v->color[3];

		*vData++ = v->texCoord[0];
		*vData++ = v->texCoord[1];
	}

}
开发者ID:Glyth，项目名称:xoreos，代码行数:54，代码来源:model_sonic.cpp

示例2: readTexturePaint


//.........这里部分代码省略.........
	Model::readArrayDef(*ctx.mdb, facesOffset, facesCount);

	if ((vertexCount == 0) || (facesCount == 0)) {
		ctx.mdb->seek(endPos);
		return;
	}

	std::vector<TexturePaintLayer> layers;
	layers.resize(layersCount);

	for (uint32 l = 0; l < layersCount; l++) {
		ctx.mdb->seek(ctx.offRawData + layersOffset + l * 52);

		layers[l].hasTexture = ctx.mdb->readByte() == 1;
		if (!layers[l].hasTexture)
			continue;

		ctx.mdb->skip(3); // Unknown
		ctx.mdb->skip(4); // Offset to material

		layers[l].texture = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);

		uint32 weightsOffset, weightsCount;
		Model::readArrayDef(*ctx.mdb, weightsOffset, weightsCount);

		ctx.mdb->seek(ctx.offRawData + weightsOffset);
		layers[l].weights.resize(weightsCount);

		for (std::vector<float>::iterator w = layers[l].weights.begin(); w != layers[l].weights.end(); ++w)
			*w = ctx.mdb->readIEEEFloatLE();
	}

	std::vector<Common::UString> textures;
	textures.push_back(lightMapName);

	evaluateTextures(1, textures, 0, tVertsCount, dayNightLightMaps, lightMapName);

	loadTextures(textures);

	size_t texCount = textures.size();

	// Read vertices

	VertexDecl vertexDecl;

	vertexDecl.push_back(VertexAttrib(VPOSITION, 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VNORMAL  , 3, GL_FLOAT));
	for (uint t = 0; t < texCount; t++)
		vertexDecl.push_back(VertexAttrib(VTCOORD + t, 2, GL_FLOAT));

	_vertexBuffer.setVertexDeclLinear(vertexCount, vertexDecl);

	// Read vertex position
	ctx.mdb->seek(ctx.offRawData + vertexOffset);
	float *v = reinterpret_cast<float *>(_vertexBuffer.getData(0));
	for (uint32 i = 0; i < vertexCount; i++) {
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
	}

	// Read vertex normals
	assert(normalsCount == vertexCount);
	ctx.mdb->seek(ctx.offRawData + normalsOffset);
	v = reinterpret_cast<float *>(_vertexBuffer.getData(1));
	for (uint32 i = 0; i < normalsCount; i++) {
开发者ID:clone2727，项目名称:xoreos，代码行数:67，代码来源:model_witcher.cpp

示例3: readMesh


//.........这里部分代码省略.........

	uint32 tVertsOffset[4], tVertsCount[4];
	for (uint t = 0; t < 4; t++)
		Model::readArrayDef(*ctx.mdb, tVertsOffset[t], tVertsCount[t]);

	uint32 unknownOffset, unknownCount;
	Model::readArrayDef(*ctx.mdb, unknownOffset, unknownCount);

	uint32 facesOffset, facesCount;
	Model::readArrayDef(*ctx.mdb, facesOffset, facesCount);

	if (ctx.fileVersion == 133)
		ctx.offTexData = ctx.mdb->readUint32LE();


	if ((vertexCount == 0) || (facesCount == 0)) {
		ctx.mdb->seek(endPos);
		return;
	}

	std::vector<Common::UString> textures;
	readTextures(ctx, textures);

	evaluateTextures(4, textures, texture, tVertsCount, dayNightLightMaps, lightMapName);

	loadTextures(textures);

	size_t texCount = textures.size();

	// Read vertices

	VertexDecl vertexDecl;

	vertexDecl.push_back(VertexAttrib(VPOSITION, 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VNORMAL  , 3, GL_FLOAT));
	for (uint t = 0; t < texCount; t++)
		vertexDecl.push_back(VertexAttrib(VTCOORD + t, 2, GL_FLOAT));

	_vertexBuffer.setVertexDeclLinear(vertexCount, vertexDecl);

	// Read vertex position
	ctx.mdb->seek(ctx.offRawData + vertexOffset);
	float *v = reinterpret_cast<float *>(_vertexBuffer.getData(0));
	for (uint32 i = 0; i < vertexCount; i++) {
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
	}

	// Read vertex normals
	assert(normalsCount == vertexCount);
	ctx.mdb->seek(ctx.offRawData + normalsOffset);
	v = reinterpret_cast<float *>(_vertexBuffer.getData(1));
	for (uint32 i = 0; i < normalsCount; i++) {
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
	}

	// Read texture coordinates
	for (uint t = 0; t < texCount; t++) {

		ctx.mdb->seek(ctx.offRawData + tVertsOffset[t]);
		v = reinterpret_cast<float *>(_vertexBuffer.getData(2 + t));
		for (uint32 i = 0; i < tVertsCount[t]; i++) {
			if (i < tVertsCount[t]) {
开发者ID:clone2727，项目名称:xoreos，代码行数:67，代码来源:model_witcher.cpp

示例4: readMesh

void ModelNode_KotOR::readMesh(Model_KotOR::ParserContext &ctx) {
	uint32 P = ctx.mdl->pos();

	ctx.mdl->skip(8); // Function pointers

	uint32 facesOffset, facesCount;
	Model::readArrayDef(*ctx.mdl, facesOffset, facesCount);

	float boundingMin[3], boundingMax[3];

	boundingMin[0] = ctx.mdl->readIEEEFloatLE();
	boundingMin[1] = ctx.mdl->readIEEEFloatLE();
	boundingMin[2] = ctx.mdl->readIEEEFloatLE();

	boundingMax[0] = ctx.mdl->readIEEEFloatLE();
	boundingMax[1] = ctx.mdl->readIEEEFloatLE();
	boundingMax[2] = ctx.mdl->readIEEEFloatLE();

	float radius = ctx.mdl->readIEEEFloatLE();

	float pointsAverage[3];
	pointsAverage[0] = ctx.mdl->readIEEEFloatLE();
	pointsAverage[1] = ctx.mdl->readIEEEFloatLE();
	pointsAverage[2] = ctx.mdl->readIEEEFloatLE();

	_diffuse[0] = ctx.mdl->readIEEEFloatLE();
	_diffuse[1] = ctx.mdl->readIEEEFloatLE();
	_diffuse[2] = ctx.mdl->readIEEEFloatLE();

	_ambient[0] = ctx.mdl->readIEEEFloatLE();
	_ambient[1] = ctx.mdl->readIEEEFloatLE();
	_ambient[2] = ctx.mdl->readIEEEFloatLE();

	_specular[0] = 0;
	_specular[1] = 0;
	_specular[2] = 0;

	uint32 transparencyHint = ctx.mdl->readUint32LE();

	_hasTransparencyHint = true;
	_transparencyHint    = (transparencyHint != 0);

	std::vector<Common::UString> textures;

	textures.push_back(Common::readStringFixed(*ctx.mdl, Common::kEncodingASCII, 32));
	textures.push_back(Common::readStringFixed(*ctx.mdl, Common::kEncodingASCII, 32));

	ctx.mdl->skip(24); // Unknown

	ctx.mdl->skip(12); // Vertex indices counts

	uint32 offOffVerts, offOffVertsCount;
	Model::readArrayDef(*ctx.mdl, offOffVerts, offOffVertsCount);

	if (offOffVertsCount > 1)
		throw Common::Exception("Face offsets offsets count wrong (%d)", offOffVertsCount);

	ctx.mdl->skip(12); // Unknown

	ctx.mdl->skip(24 + 16); // Unknown

	uint32 mdxStructSize = ctx.mdl->readUint32LE();

	ctx.mdl->skip(8); // Unknown

	uint32 offNormals = ctx.mdl->readUint32LE();

	ctx.mdl->skip(4); // Unknown

	uint32 offUV[2];
	offUV[0] = ctx.mdl->readUint32LE();
	offUV[1] = ctx.mdl->readUint32LE();

	ctx.mdl->skip(24); // Unknown

	uint16 vertexCount  = ctx.mdl->readUint16LE();
	uint16 textureCount = ctx.mdl->readUint16LE();

	ctx.mdl->skip(2);

	byte unknownFlag1 = ctx.mdl->readByte();
	_shadow  = ctx.mdl->readByte() == 1;
	byte unknownFlag2 = ctx.mdl->readByte();
	_render  = ctx.mdl->readByte() == 1;

	ctx.mdl->skip(10);

	if (ctx.kotor2)
		ctx.mdl->skip(8);

	uint32 offNodeData = ctx.mdl->readUint32LE();

	ctx.mdl->skip(4);

	if ((offOffVertsCount < 1) || (vertexCount == 0) || (facesCount == 0))
		return;

	uint32 endPos = ctx.mdl->pos();

	if (textureCount > 2) {
//.........这里部分代码省略.........
开发者ID:cc9cii，项目名称:xoreos，代码行数:101，代码来源:model_kotor.cpp

示例5: Exception

bool ModelNode_NWN2::loadSkin(Model_NWN2::ParserContext &ctx) {
	uint32 tag = ctx.mdb->readUint32BE();
	if (tag != kSkinID)
		throw Common::Exception("Invalid skin packet signature (%s)", Common::debugTag(tag).c_str());

	uint32 packetSize = ctx.mdb->readUint32LE();

	_name = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);

	// Skipping lower level of detail models
	if (_name.endsWith("_L01") || _name.endsWith("_L02"))
		return false;

	Common::UString skeletonName = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);

	Common::UString diffuseMap = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);
	Common::UString normalMap  = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);
	                _tintMap   = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);
	Common::UString glowMap    = Common::readStringFixed(*ctx.mdb, Common::kEncodingASCII, 32);

	_diffuse [0] = ctx.mdb->readIEEEFloatLE();
	_diffuse [1] = ctx.mdb->readIEEEFloatLE();
	_diffuse [2] = ctx.mdb->readIEEEFloatLE();
	_specular[0] = ctx.mdb->readIEEEFloatLE();
	_specular[1] = ctx.mdb->readIEEEFloatLE();
	_specular[2] = ctx.mdb->readIEEEFloatLE();

	float  specularPower = ctx.mdb->readIEEEFloatLE();
	float  specularValue = ctx.mdb->readIEEEFloatLE();
	uint32 textureFlags  = ctx.mdb->readUint32LE();

	uint32 vertexCount = ctx.mdb->readUint32LE();
	uint32 facesCount  = ctx.mdb->readUint32LE();

	if ((vertexCount == 0) || (facesCount == 0))
		return false;

	std::vector<Common::UString> textures;
	textures.push_back(diffuseMap);

	loadTextures(textures);

	// Read vertices (interleaved)

	VertexDecl vertexDecl;

	vertexDecl.push_back(VertexAttrib(VPOSITION, 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VNORMAL  , 3, GL_FLOAT));
	vertexDecl.push_back(VertexAttrib(VTCOORD  , 3, GL_FLOAT));

	if (!_tintMap.empty())
		vertexDecl.push_back(VertexAttrib(VTCOORD + 1, 3, GL_FLOAT));

	_vertexBuffer.setVertexDeclInterleave(vertexCount, vertexDecl);

	float *v = (float *) _vertexBuffer.getData();
	for (uint32 i = 0; i < vertexCount; i++) {
		// Position
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();

		// Normal
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();

		ctx.mdb->skip(4 * 4); // Bone weights
		ctx.mdb->skip(4 * 1); // Bone indices
		ctx.mdb->skip(3 * 4); // Tangent
		ctx.mdb->skip(3 * 4); // Binormal

		// TexCoords
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();
		*v++ = ctx.mdb->readIEEEFloatLE();

		// TintMap TexCoords
		if (!_tintMap.empty()) {
			v[0] = v[-3];
			v[1] = v[-2];
			v[2] = v[-1];
			v += 3;
		}

		ctx.mdb->skip(4); // Bone count
	}


	// Read faces

	_indexBuffer.setSize(facesCount * 3, sizeof(uint16), GL_UNSIGNED_SHORT);

	uint16 *f = (uint16 *) _indexBuffer.getData();
	for (uint32 i = 0; i < facesCount * 3; i++)
		f[i] = ctx.mdb->readUint16LE();

	createBound();

	_render = true;
//.........这里部分代码省略.........
开发者ID:Glyth，项目名称:xoreos，代码行数:101，代码来源:model_nwn2.cpp


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