From 29e2d9db80e31003e9d58db986ee0966ec844df8 Mon Sep 17 00:00:00 2001
From: tylermurphy534 <tylermurphy534@gmail.com>
Date: Sun, 25 Sep 2022 19:05:56 -0400
Subject: 3D Chunks rendering

---
 src/chunk.hpp | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 src/chunk.hpp

(limited to 'src/chunk.hpp')

diff --git a/src/chunk.hpp b/src/chunk.hpp
new file mode 100644
index 0000000..5a50983
--- /dev/null
+++ b/src/chunk.hpp
@@ -0,0 +1,119 @@
+#pragma once
+
+#include "xe_model.hpp"
+#include "PerlinNoise.hpp"
+
+#include <glm/common.hpp>
+#include <glm/fwd.hpp>
+#include <vector>
+#include <thread>
+#include <memory>
+#include <string>
+#include <map>
+
+#define AIR         0
+#define DIRT        1
+
+namespace app {
+
+class Chunk {
+
+  public:
+
+    static Chunk* newChunk(uint32_t gridX, uint32_t gridZ, uint32_t world_seed);
+    static void reset();
+
+    Chunk(uint32_t gridX, uint32_t gridZ, uint32_t world_seed);
+    ~Chunk() {};
+
+    const uint32_t gridX, gridZ, world_seed, chunk_seed;
+
+    void createMesh();
+    void createMeshAsync();
+    std::shared_ptr<xe::Model> getMesh();
+
+    uint8_t getBlock(uint32_t x, uint32_t y, uint32_t z);
+    void setBlock(uint32_t x, uint32_t y, uint32_t z, uint8_t block);
+
+    static Chunk* getChunk(uint32_t x, uint32_t z);
+
+  private:
+
+    void generate();
+    void addVerticies(uint32_t side, uint32_t x, uint32_t y, uint32_t z);
+
+    bool reloadRequired{false};
+    bool working{false};
+
+    std::shared_ptr<xe::Model> chunkMesh;
+    std::vector<float> vertexData;
+    std::vector<uint8_t> blocks;
+    std::thread worker;
+
+};
+
+const float px[36][3] = {
+  // POS X
+  {0.5f,0.5f,0.5f},
+  {0.5f,-0.5f,0.5f},
+  {0.5f,-0.5f,-0.5f},
+  {0.5f,-0.5f,-0.5f},
+  {0.5f,0.5f,-0.5f},
+  {0.5f,0.5f,0.5f},
+  // NEG X
+  {-0.5f,0.5f,-0.5f},
+  {-0.5f,-0.5f,-0.5f},
+  {-0.5f,-0.5f,0.5f},
+  {-0.5f,-0.5f,0.5f},
+  {-0.5f,0.5f,0.5f},
+  {-0.5f,0.5f,-0.5f},
+  // POS Y
+  {0.5f,0.5f,-0.5f},
+  {-0.5f,0.5f,-0.5f},
+  {-0.5f,0.5f,0.5f},
+  {-0.5f,0.5f,0.5f},
+  {0.5f,0.5f,0.5f},
+  {0.5f,0.5f,-0.5f},
+  // NEG Y
+  {-0.5f,-0.5f,0.5f},
+  {-0.5f,-0.5f,-0.5f},
+  {0.5f,-0.5f,-0.5f},
+  {0.5f,-0.5f,-0.5f},
+  {0.5f,-0.5f,0.5f},
+  {-0.5f,-0.5f,0.5f},
+  // POS Z
+  {-0.5f,0.5f,0.5f},
+  {-0.5f,-0.5f,0.5f},
+  {0.5f,-0.5f,0.5f},
+  {0.5f,-0.5f,0.5f},
+  {0.5f,0.5f,0.5f},
+  {-0.5f,0.5f,0.5f},
+  // NEG Z
+  {0.5f,0.5f,-0.5f},
+  {0.5f,-0.5f,-0.5f},
+  {-0.5f,-0.5f,-0.5f},
+  {-0.5f,-0.5f,-0.5f},
+  {-0.5f,0.5f,-0.5f},
+  {0.5f,0.5f,-0.5f}
+};
+
+const float nm[6][3] = {
+  {1.f,0.f,0.f},
+  {-1.f,0.f,0.f},
+  {0.f,1.f,0.f},
+  {0.f,-1.f,0.f},
+  {0.f,0.f,1.f},
+  {0.f,0.f,-1.f}
+};
+
+
+const float uv[6][2] = {
+  {0.f,0.f},
+  {1.f,0.f},
+  {0.f,1.f},
+  {0.f,1.f},
+  {1.f,0.f},
+  {1.f,1.f}
+};
+
+}
\ No newline at end of file
-- 
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