X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fmodel.cpp;h=f6a4476ecba2a98c6be7be87f0a70861ab7a1810;hb=b35ce3a6423c554b34b37362c5550bd705e63a1d;hp=032fc150a9e449c12bc68d62c98609280fee09a8;hpb=482114e156e91729f2529ea6bb1fe98dacdee97f;p=blank.git diff --git a/src/model.cpp b/src/model.cpp index 032fc15..f6a4476 100644 --- a/src/model.cpp +++ b/src/model.cpp @@ -1,5 +1,7 @@ #include "model.hpp" +#include + namespace blank { @@ -16,6 +18,28 @@ Model::~Model() { glDeleteBuffers(ATTRIB_COUNT, handle); } +Model::Model(Model &&other) +: vertices(std::move(other.vertices)) +, colors(std::move(other.colors)) +, normals(std::move(other.normals)) +, dirty(other.dirty) { + for (int i = 0; i < ATTRIB_COUNT; ++i) { + handle[i] = other.handle[i]; + other.handle[i] = 0; + } +} + +Model &Model::operator =(Model &&other) { + vertices = std::move(other.vertices); + colors = std::move(other.colors); + normals = std::move(other.normals); + for (int i = 0; i < ATTRIB_COUNT; ++i) { + std::swap(handle[i], other.handle[i]); + } + dirty = other.dirty; + return *this; +} + void Model::Clear() { vertices.clear(); @@ -35,9 +59,21 @@ void Model::Update() { glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_VERTEX]); glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec3), vertices.data(), GL_STATIC_DRAW); +#ifndef NDEBUG + if (colors.size() < vertices.size()) { + std::cerr << "Model: not enough colors!" << std::endl; + colors.resize(vertices.size(), { 1, 0, 1 }); + } +#endif glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_COLOR]); glBufferData(GL_ARRAY_BUFFER, colors.size() * sizeof(glm::vec3), colors.data(), GL_STATIC_DRAW); +#ifndef NDEBUG + if (normals.size() < vertices.size()) { + std::cerr << "Model: not enough normals!" << std::endl; + normals.resize(vertices.size(), { 0, 1, 0 }); + } +#endif glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_NORMAL]); glBufferData(GL_ARRAY_BUFFER, normals.size() * sizeof(glm::vec3), normals.data(), GL_STATIC_DRAW); @@ -94,4 +130,86 @@ void Model::Draw() { glDisableVertexAttribArray(ATTRIB_VERTEX); } + +OutlineModel::OutlineModel() +: vertices() +, colors() +, handle{} +, dirty(false) { + glGenBuffers(ATTRIB_COUNT, handle); +} + +OutlineModel::~OutlineModel() { + glDeleteBuffers(ATTRIB_COUNT, handle); +} + + +void OutlineModel::Clear() { + vertices.clear(); + colors.clear(); + Invalidate(); +} + +void OutlineModel::Reserve(int s) { + vertices.reserve(s); + colors.reserve(s); +} + + +void OutlineModel::Update() { + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_VERTEX]); + glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec3), vertices.data(), GL_STATIC_DRAW); + +#ifndef NDEBUG + if (colors.size() < vertices.size()) { + std::cerr << "OutlineModel: not enough colors!" << std::endl; + colors.resize(vertices.size(), { 1, 0, 1 }); + } +#endif + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_COLOR]); + glBufferData(GL_ARRAY_BUFFER, colors.size() * sizeof(glm::vec3), colors.data(), GL_STATIC_DRAW); + + dirty = false; +} + + +void OutlineModel::Draw() { + if (dirty) { + Update(); + } + + glEnableVertexAttribArray(ATTRIB_VERTEX); + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_VERTEX]); + glVertexAttribPointer( + ATTRIB_VERTEX, // location (for shader) + 3, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + + glEnableVertexAttribArray(ATTRIB_COLOR); + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_COLOR]); + glVertexAttribPointer( + ATTRIB_COLOR, // location (for shader) + 3, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + + glLineWidth(2.0f); + + glDrawArrays( + GL_LINES, // how + 0, // start + vertices.size() // len + ); + + glDisableVertexAttribArray(ATTRIB_COLOR); + glDisableVertexAttribArray(ATTRIB_VERTEX); +} + }