stanford dragon rendering

1 files changed, 63 insertions, 0 deletions

diff --git a/engine/xe_model.hpp b/engine/xe_model.hpp
new file mode 100644
index 0000000..2ffe298
--- /dev/null
+++ b/engine/xe_model.hpp
@@ -0,0 +1,63 @@
+#pragma once
+
+#include "xe_device.hpp"
+#include "xe_buffer.hpp"
+#include <vector>
+#include <memory>
+
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+
+namespace xe {
+
+class XeModel {
+  public:
+
+    struct Vertex {
+      glm::vec3 position;
+      glm::vec3 color;
+      glm::vec3 normal;
+      glm::vec2 uv;
+      
+      static std::vector<VkVertexInputBindingDescription> getBindingDescriptions();
+      static std::vector<VkVertexInputAttributeDescription> getAttributeDescriptions();
+
+      bool operator==(const Vertex &other) const {
+        return position == other.position && color == other.color && normal == other.normal && uv == other.uv;
+      }
+    };
+
+    struct Builder {
+      std::vector<Vertex> vertices{};
+      std::vector<uint32_t> indices{};
+
+      void loadModel(const std::string &filepath);
+    };
+
+    XeModel(XeDevice &device, const XeModel::Builder &builder);
+    ~XeModel();
+
+    XeModel(const XeModel &) = delete;
+    XeModel operator=(const XeModel &) = delete;
+
+    static std::unique_ptr<XeModel> createModelFromFile(XeDevice &device, const std::string &filepath);
+    
+    void bind(VkCommandBuffer commandBuffer);
+    void draw(VkCommandBuffer commandBuffer);
+
+  private:
+    void createVertexBuffers(const std::vector<Vertex> &vertices);
+    void createIndexBuffers(const std::vector<uint32_t> &indices);
+
+    XeDevice &xeDevice;
+
+    std::unique_ptr<XeBuffer> vertexBuffer;
+    uint32_t vertexCount;
+
+    bool hasIndexBuffer = false;
+    std::unique_ptr<XeBuffer> indexBuffer;
+    uint32_t indexCount;
+};
+
+}
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