fahhh

2026-09-05 05:07:48 +00:00 · 2025-10-28 14:05:46 -04:00
parent 977f1ff4b8
commit c93494f795
452 changed files with 47860 additions and 152 deletions
@@ -0,0 +1,98 @@
+#pragma once
+
+#include "Util/G3DCore.h"
+#include "Util/Vector3int32.h"
+
+#include "voxel2/Grid.h"
+
+namespace RBX { namespace Voxel2 {
+
+    class MaterialTable;
+
+    namespace Mesher
+    {
+        struct Vertex
+        {
+            Vector3 position;
+
+            unsigned int border: 1;
+            unsigned int reserved: 7;
+            unsigned int material: 8;
+            unsigned int seed: 16;
+        };
+
+        struct GraphicsVertex
+        {
+            Vector3 position;
+            Color4uint8 normal; // xyz = normal, w = vertex index (0-2)
+            Color4uint8 material[3]; // x = layer index, y = normal segment (0-17), zw = random seed
+        };
+
+        struct GraphicsVertexPacked
+        {
+            Vector3int16 position;
+            short id; // vertex index (0-2)
+            Color4uint8 normal; // xyz = normal, w = random seed 0
+            Color4uint8 material0; // xyz = layer index (0-?), w = random seed 1
+            Color4uint8 material1; // xyz = normal segment (0-17), w = random seed 2
+        };
+
+        struct Options
+        {
+            const MaterialTable* materials;
+            bool generateWater;
+        };
+
+        struct BasicMesh
+        {
+            std::vector<Vertex> vertices;
+            std::vector<unsigned int> indices;
+
+            static bool isWater(const Vertex& v0, const Vertex& v1, const Vertex& v2)
+            {
+                return (v0.material == Cell::Material_Water || v1.material == Cell::Material_Water || v2.material == Cell::Material_Water);
+            }
+        };
+
+        struct GraphicsMesh
+        {
+            std::vector<GraphicsVertex> vertices;
+            std::vector<unsigned int> solidIndices;
+            std::vector<unsigned int> waterIndices;
+        };
+
+        struct GraphicsMeshPacked
+        {
+            std::vector<GraphicsVertexPacked> vertices;
+            std::vector<unsigned int> solidIndices;
+            std::vector<unsigned int> waterIndices;
+        };
+     
+		void prepareTables();
+
+        BasicMesh generateGeometry(const Box& box, const Vector3int32& offset, int lod, const Options& options);
+        GraphicsMesh generateGraphicsGeometry(const BasicMesh& mesh, const Options& options);
+
+        GraphicsMeshPacked generateGraphicsGeometryPacked(const BasicMesh& mesh, const Vector4& packInfo, const Options& options);
+
+        struct TriangleAdjacency
+        {
+            enum
+            {
+                None = -1,
+                Multiple = -2
+            };
+
+            int neighbor[3];
+        };
+
+        void generateAdjacency(std::vector<TriangleAdjacency>& result, const BasicMesh& mesh);
+        void generateEdgeFlags(std::vector<unsigned char>& result, const BasicMesh& mesh, float cutoff);
+
+		typedef const Vector3 TextureBasis[18];
+
+		const TextureBasis& getTextureBasisU();
+		const TextureBasis& getTextureBasisV();
+    };
+
+} }