From d43508ba4843801cbbf1f42a27af260d4eef5701 Mon Sep 17 00:00:00 2001
From: hnOsmium0001 <hn.osmium0001@gmail.com>
Date: Sun, 17 Apr 2022 20:08:57 -0700
Subject: Initial work on sprites and texture system

---
 source/CpuMesh.hpp | 55 ++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 39 insertions(+), 16 deletions(-)

(limited to 'source/CpuMesh.hpp')

diff --git a/source/CpuMesh.hpp b/source/CpuMesh.hpp
index 7c6e2c8..9fcb00c 100644
--- a/source/CpuMesh.hpp
+++ b/source/CpuMesh.hpp
@@ -1,28 +1,51 @@
 #pragma once
 
+#include "Color.hpp"
 #include "Mesh.hpp"
+#include "PodVector.hpp"
 #include "RcPtr.hpp"
 
 #include <cstddef>
+#include <cstdint>
+#include <glm/glm.hpp>
 #include <memory>
 
-class CpuMesh : public RefCounted {
+struct StandardVertex {
+	float x, y, z;
+	float u, v;
+	uint8_t r, g, b, a;
+};
+
+struct StandardVertexExtra {
+	float u, v;
+	uint8_t r, g, b, a;
+};
+
+class StandardCpuMeshData {
+public:
+	PodVector<glm::vec3> vertPositions;
+	PodVector<StandardVertexExtra> vertExtra;
+	PodVector<uint32_t> index;
+	size_t vertexCount;
+	size_t triangleCount;
+};
+
+class StandardCpuMesh {
 private:
-	std::unique_ptr<std::byte[]> mVertexData;
-	std::unique_ptr<std::byte[]> mIndexData;
-    RcPtr<GpuMesh> mGpuMesh;
-	RcPtr<VertexFormat> mVertexFormat;
-	Tags::IndexType mIndexType;
-	int mVertexByteCount;
-	int mIndexCount;
+	StandardCpuMeshData* mData = nullptr;
+	RcPtr<GpuMesh> mGpuMesh;
 
 public:
-	bool IsEmpty() const;
-	std::byte* GetVertices() const;
-	int GetVertexNumBytes() const;
-	std::byte* GetIndices() const;
-	int GetIndexNumBytes() const;
-
-	GpuMesh* SyncToGpuCreate() const;
-	void SyncToGpu(GpuMesh& mesh) const;
+	StandardCpuMesh();
+	~StandardCpuMesh();
+
+	GpuVertexBuffer* GetPosBuffer() const;
+	GpuVertexBuffer* GetExtraBuffer() const;
+	GpuMesh* GetGpuMesh() const { return mGpuMesh.Get(); }
+
+	void CreateCpuData();
+	bool UpdatePositions(glm::vec3* pos, size_t count, size_t startVertIndex);
+	bool UpdateColors(RgbaColor* color, size_t count, size_t starVertIndex);
+	bool UpdateNormals(glm::vec2* normals, size_t count, size_t startVertIndex);
+	bool UpdateIndices(uint32_t* indices, size_t count, size_t startVertIndex);
 };
-- 
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