118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
#include "vulkan_engine/asset/object/model.h"
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#include "vulkan_engine/vulkan/graphics.h"
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namespace veng {
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Model::~Model() {
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if (graphics_ == nullptr) return;
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graphics_->DestroyTexture(material.texture_handle);
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graphics_->DestroyBuffer(vertex_buffer);
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graphics_->DestroyBuffer(index_buffer);
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}
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template <typename T>
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void Append(std::vector<char>& buffer, const T& value) {
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const char* data = reinterpret_cast<const char*>(&value);
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buffer.insert(buffer.end(), data, data + sizeof(T));
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}
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void Append(std::vector<char>& buffer, const std::string& value) {
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size_t length = value.size();
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Append(buffer, length);
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buffer.insert(buffer.end(), value.begin(), value.end());
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}
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template <typename T>
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void Read(const std::vector<char>& buffer, size_t& offset, T& out) {
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std::memcpy(&out, buffer.data() + offset, sizeof(T));
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offset += sizeof(T);
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}
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void Read(const std::vector<char>& buffer, size_t& offset, std::string& out) {
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size_t length = 0;
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Read(buffer, offset, length);
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out.assign(buffer.data() + offset, length);
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offset += length;
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}
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std::vector<char> Model::Serialize() {
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std::vector<char> buffer;
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Append(buffer, ID);
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Append(buffer, name);
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Append(buffer, asset_name);
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Append(buffer, position);
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Append(buffer, linear_velocity);
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Append(buffer, linear_acceleration);
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Append(buffer, rotation);
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Append(buffer, angular_velocity);
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Append(buffer, angular_acceleration);
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Append(buffer, scale);
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Append(buffer, original_offset);
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Append(buffer, OwnerID);
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Append(buffer, radius);
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Append(buffer, lifespan);
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Append(buffer, visible);
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Append(buffer, colision);
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Append(buffer, lastUpdatedTime);
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return buffer;
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}
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void Model::Deserialize(std::vector<char> data) {
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size_t offset = 0;
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Read(data, offset, ID);
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Read(data, offset, name);
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Read(data, offset, asset_name);
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Read(data, offset, position);
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Read(data, offset, linear_velocity);
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Read(data, offset, linear_acceleration);
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Read(data, offset, rotation);
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Read(data, offset, angular_velocity);
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Read(data, offset, angular_acceleration);
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Read(data, offset, scale);
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Read(data, offset, original_offset);
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Read(data, offset, OwnerID);
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Read(data, offset, radius);
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Read(data, offset, lifespan);
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Read(data, offset, visible);
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Read(data, offset, colision);
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Read(data, offset, lastUpdatedTime);
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}
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void veng::Model::Update(float dt) {
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linear_velocity += linear_acceleration * dt;
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position += linear_velocity * dt;
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angular_velocity += angular_acceleration * dt;
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if (glm::length(angular_velocity) > 1e-6f) {
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rotation =
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glm::normalize(glm::rotate(rotation, glm::length(angular_velocity * dt),
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glm::normalize(angular_velocity)));
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}
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transform = glm::translate(glm::mat4(1.0f), position) *
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glm::mat4_cast(rotation) * glm::scale(glm::mat4(1.0f), scale);
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}
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} // namespace veng
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