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Diffstat (limited to 'src/graphics/common/modelfile.cpp')
-rw-r--r-- | src/graphics/common/modelfile.cpp | 815 |
1 files changed, 815 insertions, 0 deletions
diff --git a/src/graphics/common/modelfile.cpp b/src/graphics/common/modelfile.cpp new file mode 100644 index 0000000..8e509fe --- /dev/null +++ b/src/graphics/common/modelfile.cpp @@ -0,0 +1,815 @@ +// * This file is part of the COLOBOT source code +// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch +// * Copyright (C) 2012, Polish Portal of Colobot (PPC) +// * +// * This program is free software: you can redistribute it and/or modify +// * it under the terms of the GNU General Public License as published by +// * the Free Software Foundation, either version 3 of the License, or +// * (at your option) any later version. +// * +// * This program is distributed in the hope that it will be useful, +// * but WITHOUT ANY WARRANTY; without even the implied warranty of +// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// * GNU General Public License for more details. +// * +// * You should have received a copy of the GNU General Public License +// * along with this program. If not, see http://www.gnu.org/licenses/. + +// modelfile.cpp (aka modfile.cpp) + +#include "graphics/common/modelfile.h" + +#include "common/iman.h" +#include "common/ioutils.h" +#include "common/stringutils.h" +#include "math/geometry.h" + +#include <string.h> + +#include <fstream> + + +//! How big the triangle vector is by default +const int TRIANGLE_PREALLOCATE_COUNT = 2000; + +/** + \struct ModelHeader + \brief Header info for model file + */ +struct ModelHeader +{ + //! Revision number + int revision; + //! Version number + int version; + //! Total number of vertices + int totalVertices; + //! Reserved area + int reserved[10]; + + ModelHeader() + { + memset(this, 0, sizeof(*this)); + } +}; + + +struct OldModelTriangle1 +{ + char used; + char selected; + Gfx::Vertex p1; + Gfx::Vertex p2; + Gfx::Vertex p3; + Gfx::Material material; + char texName[20]; + float min; + float max; + + OldModelTriangle1() + { + memset(this, 0, sizeof(*this)); + } +}; + +struct OldModelTriangle2 +{ + char used; + char selected; + Gfx::Vertex p1; + Gfx::Vertex p2; + Gfx::Vertex p3; + Gfx::Material material; + char texName[20]; + float min; + float max; + long state; + short reserved1; + short reserved2; + short reserved3; + short reserved4; + OldModelTriangle2() + { + memset(this, 0, sizeof(*this)); + } +}; + + +struct NewModelTriangle +{ + char used; + char selected; + Gfx::VertexTex2 p1; + Gfx::VertexTex2 p2; + Gfx::VertexTex2 p3; + Gfx::Material material; + char texName[20]; + float min; + float max; + long state; + short texNum2; + short reserved2; + short reserved3; + short reserved4; + + NewModelTriangle() + { + memset(this, 0, sizeof(*this)); + } +}; + + +Gfx::Vertex ReadBinaryVertex(std::istream &stream) +{ + Gfx::Vertex result; + + result.coord.x = IOUtils::ReadBinaryFloat(stream); + result.coord.y = IOUtils::ReadBinaryFloat(stream); + result.coord.z = IOUtils::ReadBinaryFloat(stream); + result.normal.x = IOUtils::ReadBinaryFloat(stream); + result.normal.y = IOUtils::ReadBinaryFloat(stream); + result.normal.z = IOUtils::ReadBinaryFloat(stream); + result.texCoord.x = IOUtils::ReadBinaryFloat(stream); + result.texCoord.y = IOUtils::ReadBinaryFloat(stream); + + return result; +} + +void WriteBinaryVertex(Gfx::Vertex vertex, std::ostream &stream) +{ + IOUtils::WriteBinaryFloat(vertex.coord.x, stream); + IOUtils::WriteBinaryFloat(vertex.coord.y, stream); + IOUtils::WriteBinaryFloat(vertex.coord.z, stream); + IOUtils::WriteBinaryFloat(vertex.normal.x, stream); + IOUtils::WriteBinaryFloat(vertex.normal.y, stream); + IOUtils::WriteBinaryFloat(vertex.normal.z, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord.x, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord.y, stream); +} + +Gfx::VertexTex2 ReadBinaryVertexTex2(std::istream &stream) +{ + Gfx::VertexTex2 result; + + result.coord.x = IOUtils::ReadBinaryFloat(stream); + result.coord.y = IOUtils::ReadBinaryFloat(stream); + result.coord.z = IOUtils::ReadBinaryFloat(stream); + result.normal.x = IOUtils::ReadBinaryFloat(stream); + result.normal.y = IOUtils::ReadBinaryFloat(stream); + result.normal.z = IOUtils::ReadBinaryFloat(stream); + result.texCoord.x = IOUtils::ReadBinaryFloat(stream); + result.texCoord.y = IOUtils::ReadBinaryFloat(stream); + result.texCoord2.x = IOUtils::ReadBinaryFloat(stream); + result.texCoord2.y = IOUtils::ReadBinaryFloat(stream); + + return result; +} + +void WriteBinaryVertexTex2(Gfx::VertexTex2 vertex, std::ostream &stream) +{ + IOUtils::WriteBinaryFloat(vertex.coord.x, stream); + IOUtils::WriteBinaryFloat(vertex.coord.y, stream); + IOUtils::WriteBinaryFloat(vertex.coord.z, stream); + IOUtils::WriteBinaryFloat(vertex.normal.x, stream); + IOUtils::WriteBinaryFloat(vertex.normal.y, stream); + IOUtils::WriteBinaryFloat(vertex.normal.z, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord.x, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord.y, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord2.x, stream); + IOUtils::WriteBinaryFloat(vertex.texCoord2.y, stream); +} + +Gfx::Material ReadBinaryMaterial(std::istream &stream) +{ + Gfx::Material result; + + result.diffuse.r = IOUtils::ReadBinaryFloat(stream); + result.diffuse.g = IOUtils::ReadBinaryFloat(stream); + result.diffuse.b = IOUtils::ReadBinaryFloat(stream); + result.diffuse.a = IOUtils::ReadBinaryFloat(stream); + + result.ambient.r = IOUtils::ReadBinaryFloat(stream); + result.ambient.g = IOUtils::ReadBinaryFloat(stream); + result.ambient.b = IOUtils::ReadBinaryFloat(stream); + result.ambient.a = IOUtils::ReadBinaryFloat(stream); + + result.specular.r = IOUtils::ReadBinaryFloat(stream); + result.specular.g = IOUtils::ReadBinaryFloat(stream); + result.specular.b = IOUtils::ReadBinaryFloat(stream); + result.specular.a = IOUtils::ReadBinaryFloat(stream); + + /* emissive.r = */ IOUtils::ReadBinaryFloat(stream); + /* emissive.g = */ IOUtils::ReadBinaryFloat(stream); + /* emissive.b = */ IOUtils::ReadBinaryFloat(stream); + /* emissive.a = */ IOUtils::ReadBinaryFloat(stream); + + /* power = */ IOUtils::ReadBinaryFloat(stream); + + /* padding? */ IOUtils::ReadBinary<2, unsigned int>(stream); + + return result; +} + +void WriteBinaryMaterial(Gfx::Material material, std::ostream &stream) +{ + IOUtils::WriteBinaryFloat(material.diffuse.r, stream); + IOUtils::WriteBinaryFloat(material.diffuse.g, stream); + IOUtils::WriteBinaryFloat(material.diffuse.b, stream); + IOUtils::WriteBinaryFloat(material.diffuse.a, stream); + + IOUtils::WriteBinaryFloat(material.ambient.r, stream); + IOUtils::WriteBinaryFloat(material.ambient.g, stream); + IOUtils::WriteBinaryFloat(material.ambient.b, stream); + IOUtils::WriteBinaryFloat(material.ambient.a, stream); + + IOUtils::WriteBinaryFloat(material.specular.r, stream); + IOUtils::WriteBinaryFloat(material.specular.g, stream); + IOUtils::WriteBinaryFloat(material.specular.b, stream); + IOUtils::WriteBinaryFloat(material.specular.a, stream); + + /* emissive.r */ IOUtils::WriteBinaryFloat(0.0f, stream); + /* emissive.g */ IOUtils::WriteBinaryFloat(0.0f, stream); + /* emissive.b */ IOUtils::WriteBinaryFloat(0.0f, stream); + /* emissive.a */ IOUtils::WriteBinaryFloat(0.0f, stream); + + /* power */ IOUtils::WriteBinaryFloat(0.0f, stream); + + /* padding? */ IOUtils::WriteBinary<2, unsigned int>(0, stream); +} + +Gfx::ModelTriangle::ModelTriangle() +{ + min = 0.0f; + max = 0.0f; + state = 0L; +} + + +Gfx::CModelFile::CModelFile(CInstanceManager* iMan) +{ + m_iMan = iMan; + + m_engine = (CEngine*)m_iMan->SearchInstance(CLASS_ENGINE); + + m_triangles.reserve(TRIANGLE_PREALLOCATE_COUNT); +} + +Gfx::CModelFile::~CModelFile() +{ +} + +std::string Gfx::CModelFile::GetError() +{ + return m_error; +} + + +bool Gfx::CModelFile::ReadModel(const std::string &filename, bool edit, bool meta) +{ + m_triangles.clear(); + m_error = ""; + + std::ifstream stream; + stream.open(filename.c_str(), std::ios_base::in | std::ios_base::binary); + if (! stream.good()) + { + m_error = std::string("Could not open file '") + filename + std::string("'"); + return false; + } + + return ReadModel(stream, edit, meta); +} + +bool Gfx::CModelFile::ReadModel(std::istream &stream, bool edit, bool meta) +{ + m_triangles.clear(); + m_error = ""; + + // FIXME: for now, reading models only from files, not metafile + + ModelHeader header; + + header.revision = IOUtils::ReadBinary<4, int>(stream); + header.version = IOUtils::ReadBinary<4, int>(stream); + header.totalVertices = IOUtils::ReadBinary<4, int>(stream); + for (int i = 0; i < 10; ++i) + header.reserved[i] = IOUtils::ReadBinary<4, int>(stream); + + + if (! stream.good()) + { + m_error = "Error reading model file header"; + return false; + } + + // Old model version #1 + if ( (header.revision == 1) && (header.version == 0) ) + { + for (int i = 0; i < header.totalVertices; ++i) + { + OldModelTriangle1 t; + t.used = IOUtils::ReadBinary<1, char>(stream); + t.selected = IOUtils::ReadBinary<1, char>(stream); + + t.p1 = ReadBinaryVertex(stream); + t.p2 = ReadBinaryVertex(stream); + t.p3 = ReadBinaryVertex(stream); + + t.material = ReadBinaryMaterial(stream); + stream.read(t.texName, 20); + t.min = IOUtils::ReadBinaryFloat(stream); + t.max = IOUtils::ReadBinaryFloat(stream); + + if (! stream.good()) + { + m_error = "Error reading model data"; + return false; + } + + Gfx::ModelTriangle triangle; + triangle.p1.FromVertex(t.p1); + triangle.p2.FromVertex(t.p2); + triangle.p3.FromVertex(t.p3); + + triangle.material = t.material; + triangle.tex1Name = std::string(t.texName); + triangle.min = t.min; + triangle.max = t.max; + + m_triangles.push_back(triangle); + } + } + else if ( header.revision == 1 && header.version == 1 ) + { + for (int i = 0; i < header.totalVertices; ++i) + { + OldModelTriangle2 t; + t.used = IOUtils::ReadBinary<1, char>(stream); + t.selected = IOUtils::ReadBinary<1, char>(stream); + + t.p1 = ReadBinaryVertex(stream); + t.p2 = ReadBinaryVertex(stream); + t.p3 = ReadBinaryVertex(stream); + + t.material = ReadBinaryMaterial(stream); + stream.read(t.texName, 20); + t.min = IOUtils::ReadBinaryFloat(stream); + t.max = IOUtils::ReadBinaryFloat(stream); + t.state = IOUtils::ReadBinary<4, long>(stream); + + t.reserved1 = IOUtils::ReadBinary<2, short>(stream); + t.reserved2 = IOUtils::ReadBinary<2, short>(stream); + t.reserved3 = IOUtils::ReadBinary<2, short>(stream); + t.reserved4 = IOUtils::ReadBinary<2, short>(stream); + + if (! stream.good()) + { + m_error = "Error reading model data"; + return false; + } + + Gfx::ModelTriangle triangle; + triangle.p1.FromVertex(t.p1); + triangle.p2.FromVertex(t.p2); + triangle.p3.FromVertex(t.p3); + + triangle.material = t.material; + triangle.tex1Name = std::string(t.texName); + triangle.min = t.min; + triangle.max = t.max; + triangle.state = t.state; + + m_triangles.push_back(triangle); + } + } + else + { + for (int i = 0; i < header.totalVertices; ++i) + { + NewModelTriangle t; + t.used = IOUtils::ReadBinary<1, char>(stream); + t.selected = IOUtils::ReadBinary<1, char>(stream); + + t.p1 = ReadBinaryVertexTex2(stream); + t.p2 = ReadBinaryVertexTex2(stream); + t.p3 = ReadBinaryVertexTex2(stream); + + t.material = ReadBinaryMaterial(stream); + stream.read(t.texName, 20); + t.min = IOUtils::ReadBinaryFloat(stream); + t.max = IOUtils::ReadBinaryFloat(stream); + t.state = IOUtils::ReadBinary<4, long>(stream); + t.texNum2 = IOUtils::ReadBinary<2, short>(stream); + + t.reserved2 = IOUtils::ReadBinary<2, short>(stream); + t.reserved3 = IOUtils::ReadBinary<2, short>(stream); + t.reserved4 = IOUtils::ReadBinary<2, short>(stream); + + if (! stream.good()) + { + m_error = "Error reading model data"; + return false; + } + + Gfx::ModelTriangle triangle; + triangle.p1 = t.p1; + triangle.p2 = t.p2; + triangle.p3 = t.p3; + + triangle.material = t.material; + triangle.tex1Name = std::string(t.texName); + char tex2Name[20] = { 0 }; + triangle.min = t.min; + triangle.max = t.max; + triangle.state = t.state; + sprintf(tex2Name, "dirty%.2d.tga", t.texNum2); // hardcoded as in the original code + triangle.tex2Name = std::string(tex2Name); + + m_triangles.push_back(triangle); + } + } + + for (int i = 0; i < (int) m_triangles.size(); ++i) + m_triangles[i].tex1Name = StrUtils::Replace(m_triangles[i].tex1Name, "bmp", "tga"); + + /* + if (! edit) + { + float limit[2]; + limit[0] = m_engine->RetLimitLOD(0); // frontier AB as config + limit[1] = m_engine->RetLimitLOD(1); // frontier BC as config + + // Standard frontiers -> config. + for (int i = 0; i < m_triangles.size(); ++i) + { + if ( m_triangles[i].min == 0.0f && + m_triangles[i].max == 100.0f ) // resolution A ? + { + m_triangles[i].max = limit[0]; + } + else if ( m_triangles[i].min == 100.0f && + m_triangles[i].max == 200.0f ) // resolution B ? + { + m_triangles[i].min = limit[0]; + m_triangles[i].max = limit[1]; + } + else if ( m_triangles[i].min == 200.0f && + m_triangles[i].max == 1000000.0f ) // resolution C ? + { + m_triangles[i].min = limit[1]; + } + } + }*/ + + return true; +} + +bool Gfx::CModelFile::WriteModel(const std::string &filename) +{ + m_error = ""; + + std::ofstream stream; + stream.open(filename.c_str(), std::ios_base::out | std::ios_base::binary); + if (! stream.good()) + { + m_error = std::string("Could not open file '") + filename + std::string("'"); + return false; + } + + return WriteModel(stream); +} + +bool Gfx::CModelFile::WriteModel(std::ostream &stream) +{ + m_error = ""; + + if (m_triangles.size() == 0) + { + m_error = "Empty model"; + return false; + } + + ModelHeader header; + header.revision = 1; + header.version = 2; + header.totalVertices = m_triangles.size(); + + IOUtils::WriteBinary<4, int>(header.revision, stream); + IOUtils::WriteBinary<4, int>(header.version, stream); + IOUtils::WriteBinary<4, int>(header.totalVertices, stream); + for (int i = 0; i < 10; ++i) + IOUtils::WriteBinary<4, int>(header.reserved[i], stream); + + for (int i = 0; i < (int)m_triangles.size(); ++i) + { + NewModelTriangle t; + + t.used = true; + + t.p1 = m_triangles[i].p1; + t.p2 = m_triangles[i].p2; + t.p3 = m_triangles[i].p3; + + t.material = m_triangles[i].material; + strncpy(t.texName, m_triangles[i].tex1Name.c_str(), 20); + t.min = m_triangles[i].min; + t.max = m_triangles[i].max; + t.state = m_triangles[i].state; + int no = 0; + sscanf(m_triangles[i].tex2Name.c_str(), "dirty%d.tga", &no); // hardcoded as in the original code + t.texNum2 = no; + + + IOUtils::WriteBinary<1, char>(t.used, stream); + IOUtils::WriteBinary<1, char>(t.selected, stream); + + WriteBinaryVertexTex2(t.p1, stream); + WriteBinaryVertexTex2(t.p2, stream); + WriteBinaryVertexTex2(t.p3, stream); + + WriteBinaryMaterial(t.material, stream); + stream.write(t.texName, 20); + IOUtils::WriteBinaryFloat(t.min, stream); + IOUtils::WriteBinaryFloat(t.max, stream); + IOUtils::WriteBinary<4, long>(t.state, stream); + IOUtils::WriteBinary<2, short>(t.texNum2, stream); + + IOUtils::WriteBinary<2, short>(t.reserved2, stream); + IOUtils::WriteBinary<2, short>(t.reserved3, stream); + IOUtils::WriteBinary<2, short>(t.reserved4, stream); + } + + return true; +} + +bool Gfx::CModelFile::ReadDXF(const std::string &filename, float min, float max) +{ + m_triangles.clear(); + m_error = ""; + + std::ifstream stream; + stream.open(filename.c_str(), std::ios_base::in); + if (! stream.good()) + { + m_error = std::string("Couldn't open file '") + filename + std::string("'"); + return false; + } + + return ReadDXF(stream, min, max); +} + +bool Gfx::CModelFile::ReadDXF(std::istream &stream, float min, float max) +{ + m_triangles.clear(); + m_error = ""; + + if (! stream.good()) + { + m_error = "Invalid stream"; + return false; + } + + // Input state + bool waitNumVertex = false; + bool waitNumFace = false; + bool waitVertexX = false; + bool waitVertexY = false; + bool waitVertexZ = false; + bool waitFaceX = false; + bool waitFaceY = false; + bool waitFaceZ = false; + + // Vertex array + std::vector<Math::Vector> vertices; + vertices.reserve(TRIANGLE_PREALLOCATE_COUNT); + + // Number of vertices & faces of the primitive to be read + int vertexNum = 0, faceNum = 0; + // Vertex coords + Math::Vector coords; + // Indexes of face (triangle) points + int p1 = 0, p2 = 0, p3 = 0; + + // Input line + std::string line; + while (! stream.eof() ) + { + // Read line with command + std::getline(stream, line); + int command = StrUtils::FromString<int>(line); + + // Read line with param + std::getline(stream, line); + + bool ok = true; + + + if (command == 66) + { + waitNumVertex = true; + } + + if ( command == 71 && waitNumVertex ) + { + waitNumVertex = false; + vertexNum = StrUtils::FromString<int>(line, &ok); + waitNumFace = true; + } + + if ( command == 72 && waitNumFace ) + { + waitNumFace = false; + faceNum = StrUtils::FromString<int>(line, &ok); + waitVertexX = true; + } + + if ( command == 10 && waitVertexX ) + { + waitVertexX = false; + coords.x = StrUtils::FromString<float>(line, &ok); + waitVertexY = true; + } + + if ( command == 20 && waitVertexY ) + { + waitVertexY = false; + coords.y = StrUtils::FromString<float>(line, &ok); + waitVertexZ = true; + } + + if ( command == 30 && waitVertexZ ) + { + waitVertexZ = false; + coords.z = StrUtils::FromString<float>(line, &ok); + + vertexNum --; + if ( vertexNum >= 0 ) + { + Math::Vector p(coords.x, coords.z, coords.y); // permutation of Y and Z! + vertices.push_back(p); + waitVertexX = true; + } + else + { + waitFaceX = true; + } + } + + if ( command == 71 && waitFaceX ) + { + waitFaceX = false; + p1 = StrUtils::FromString<int>(line, &ok); + if ( p1 < 0 ) p1 = -p1; + waitFaceY = true; + } + + if ( command == 72 && waitFaceY ) + { + waitFaceY = false; + p2 = StrUtils::FromString<int>(line, &ok); + if ( p2 < 0 ) p2 = -p2; + waitFaceZ = true; + } + + if ( command == 73 && waitFaceZ ) + { + waitFaceZ = false; + p3 = StrUtils::FromString<int>(line, &ok); + if ( p3 < 0 ) p3 = -p3; + + faceNum --; + if ( faceNum >= 0 ) + { + assert( (p1-1 >= 0) && (p1-1 < (int)vertices.size() ) ); + assert( (p2-1 >= 0) && (p2-1 < (int)vertices.size() ) ); + assert( (p3-1 >= 0) && (p3-1 < (int)vertices.size() ) ); + + CreateTriangle(vertices[p3-1], vertices[p2-1], vertices[p1-1], min, max); + waitFaceX = true; + } + } + + if (! ok) + { + m_error = "Error reading data"; + return false; + } + + } + + return true; +} + +bool Gfx::CModelFile::CreateEngineObject(int objRank, int addState) +{ + /*char texName1[20]; + char texName2[20]; + int texNum, i, state; + + for (int i = 0; i < m_trianglesUsed; i++) + { + if (! m_triangles[i].used) continue; + + state = m_triangles[i].state; + strcpy(texName1, m_triangles[i].texName); + texName2[0] = 0; + + if ( strcmp(texName1, "plant.tga") == 0 ) // ??? + { + state |= D3DSTATEALPHA; + } + + if ( m_triangles[i].texNum2 != 0 ) + { + if ( m_triangles[i].texNum2 == 1 ) + { + texNum = m_engine->RetSecondTexture(); + } + else + { + texNum = m_triangles[i].texNum2; + } + + if ( texNum >= 1 && texNum <= 10 ) + { + state |= D3DSTATEDUALb; + } + if ( texNum >= 11 && texNum <= 20 ) + { + state |= D3DSTATEDUALw; + } + sprintf(texName2, "dirty%.2d.tga", texNum); // ??? + } + + m_engine->AddTriangle(objRank, &m_triangles[i].p1, 3, + m_triangles[i].material, + state + addState, + texName1, texName2, + m_triangles[i].min, + m_triangles[i].max, false); + }*/ + return true; +} + +void Gfx::CModelFile::Mirror() +{ + for (int i = 0; i < (int)m_triangles.size(); i++) + { + Gfx::VertexTex2 t = m_triangles[i].p1; + m_triangles[i].p1 = m_triangles[i].p2; + m_triangles[i].p2 = t; + + m_triangles[i].p1.coord.z = -m_triangles[i].p1.coord.z; + m_triangles[i].p2.coord.z = -m_triangles[i].p2.coord.z; + m_triangles[i].p3.coord.z = -m_triangles[i].p3.coord.z; + + m_triangles[i].p1.normal.z = -m_triangles[i].p1.normal.z; + m_triangles[i].p2.normal.z = -m_triangles[i].p2.normal.z; + m_triangles[i].p3.normal.z = -m_triangles[i].p3.normal.z; + } +} + +int Gfx::CModelFile::GetTriangleCount() +{ + return m_triangles.size(); +} + +float Gfx::CModelFile::GetHeight(Math::Vector pos) +{ + float limit = 5.0f; + + for (int i = 0; i < (int)m_triangles.size(); i++) + { + if ( fabs(pos.x - m_triangles[i].p1.coord.x) < limit && + fabs(pos.z - m_triangles[i].p1.coord.z) < limit ) + return m_triangles[i].p1.coord.y; + + if ( fabs(pos.x - m_triangles[i].p2.coord.x) < limit && + fabs(pos.z - m_triangles[i].p2.coord.z) < limit ) + return m_triangles[i].p2.coord.y; + + if ( fabs(pos.x - m_triangles[i].p3.coord.x) < limit && + fabs(pos.z - m_triangles[i].p3.coord.z) < limit ) + return m_triangles[i].p3.coord.y; + } + + return 0.0f; +} + +void Gfx::CModelFile::CreateTriangle(Math::Vector p1, Math::Vector p2, Math::Vector p3, float min, float max) +{ + Gfx::ModelTriangle triangle; + + Math::Vector n = Math::NormalToPlane(p3, p2, p1); + triangle.p1 = Gfx::VertexTex2(p1, n); + triangle.p2 = Gfx::VertexTex2(p2, n); + triangle.p3 = Gfx::VertexTex2(p3, n); + + triangle.material.diffuse = Gfx::Color(1.0f, 1.0f, 1.0f, 0.0f); + triangle.material.ambient = Gfx::Color(0.5f, 0.5f, 0.5f, 0.0f); + + triangle.min = min; + triangle.max = max; + + m_triangles.push_back(triangle); +} |