X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fmodel.cpp;fp=src%2Fmodel.cpp;h=125d57aefcd16d7f7e7291229bf999879610d5d4;hb=e74f1ad236429f05db90c0ace825277e2a3fbc05;hp=d26968a0e6282e51cdcb9dda431eb90a751d4c33;hpb=fc73b44e0f90affd42cac2f944f46633a6b8364e;p=blank.git diff --git a/src/model.cpp b/src/model.cpp index d26968a..125d57a 100644 --- a/src/model.cpp +++ b/src/model.cpp @@ -103,6 +103,120 @@ void Model::Draw() const { } +BlockModel::BlockModel() +: va(0) +, handle{} +, count(0) { + glGenVertexArrays(1, &va); + glGenBuffers(ATTRIB_COUNT, handle); +} + +BlockModel::~BlockModel() { + glDeleteBuffers(ATTRIB_COUNT, handle); + glDeleteVertexArrays(1, &va); +} + +BlockModel::BlockModel(BlockModel &&other) +: va(other.va) +, count(other.count) { + other.va = 0; + for (int i = 0; i < ATTRIB_COUNT; ++i) { + handle[i] = other.handle[i]; + other.handle[i] = 0; + } +} + +BlockModel &BlockModel::operator =(BlockModel &&other) { + std::swap(va, other.va); + for (int i = 0; i < ATTRIB_COUNT; ++i) { + std::swap(handle[i], other.handle[i]); + } + count = other.count; + return *this; +} + +void BlockModel::Update(const Buffer &buf) { + glBindVertexArray(va); + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_VERTEX]); + glBufferData(GL_ARRAY_BUFFER, buf.vertices.size() * sizeof(glm::vec3), buf.vertices.data(), GL_STATIC_DRAW); + glEnableVertexAttribArray(ATTRIB_VERTEX); + glVertexAttribPointer( + ATTRIB_VERTEX, // location (for shader) + 3, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + +#ifndef NDEBUG + if (buf.colors.size() < buf.vertices.size()) { + std::cerr << "BlockModel: not enough colors!" << std::endl; + } +#endif + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_COLOR]); + glBufferData(GL_ARRAY_BUFFER, buf.colors.size() * sizeof(glm::vec3), buf.colors.data(), GL_STATIC_DRAW); + glEnableVertexAttribArray(ATTRIB_COLOR); + glVertexAttribPointer( + ATTRIB_COLOR, // location (for shader) + 3, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + +#ifndef NDEBUG + if (buf.normals.size() < buf.vertices.size()) { + std::cerr << "BlockModel: not enough normals!" << std::endl; + } +#endif + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_NORMAL]); + glBufferData(GL_ARRAY_BUFFER, buf.normals.size() * sizeof(glm::vec3), buf.normals.data(), GL_STATIC_DRAW); + glEnableVertexAttribArray(ATTRIB_NORMAL); + glVertexAttribPointer( + ATTRIB_NORMAL, // location (for shader) + 3, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + +#ifndef NDEBUG + if (buf.lights.size() < buf.vertices.size()) { + std::cerr << "BlockModel: not enough lights!" << std::endl; + } +#endif + glBindBuffer(GL_ARRAY_BUFFER, handle[ATTRIB_LIGHT]); + glBufferData(GL_ARRAY_BUFFER, buf.lights.size() * sizeof(float), buf.lights.data(), GL_STATIC_DRAW); + glEnableVertexAttribArray(ATTRIB_LIGHT); + glVertexAttribPointer( + ATTRIB_LIGHT, // location (for shader) + 1, // size + GL_FLOAT, // type + GL_FALSE, // normalized + 0, // stride + nullptr // offset + ); + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle[ATTRIB_INDEX]); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, buf.indices.size() * sizeof(Index), buf.indices.data(), GL_STATIC_DRAW); + count = buf.indices.size(); +} + + +void BlockModel::Draw() const { + glBindVertexArray(va); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle[ATTRIB_INDEX]); + glDrawElements( + GL_TRIANGLES, // how + count, // count + GL_UNSIGNED_INT, // type + nullptr // offset + ); +} + OutlineModel::OutlineModel() : vertices() , colors()