175 lines
3.5 KiB
C++
175 lines
3.5 KiB
C++
#include "cube_tables.h"
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namespace CubeTables {
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// The following tables respect the following conventions
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//
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// 7-------6
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// /| /|
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// / | / | Corners
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// 4-------5 |
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// | 3----|--2
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// | / | / y z
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// |/ |/ |/
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// 0-------1 o--x
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//
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//
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// o---10----o
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// /| /|
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// 11 7 9 6 Edges
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// / | / |
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// o----8----o |
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// | o---2-|---o
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// 4 / 5 /
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// | 3 | 1
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// |/ |/
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// o----0----o
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//
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// Sides are ordered according to the Voxel::Side enum.
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//
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//static const unsigned int CORNER_COUNT = 8;
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//static const unsigned int EDGE_COUNT = 12;
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// Order doesn't technically matter here, they are for reading convenience.
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// If you need a special ordering, combine index with other tables
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const Vector3 g_corner_position[CORNER_COUNT] = {
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Vector3(0, 0, 0),
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Vector3(1, 0, 0),
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Vector3(1, 0, 1),
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Vector3(0, 0, 1),
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Vector3(0, 1, 0),
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Vector3(1, 1, 0),
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Vector3(1, 1, 1),
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Vector3(0, 1, 1)
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};
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const int g_side_quad_triangles[Voxel::SIDE_COUNT][6] = {
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// LEFT
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{ 0, 1, 2, 0, 2, 3 },
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// RIGHT
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{ 0, 1, 2, 0, 2, 3 },
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// BOTTOM
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{ 0, 1, 2, 0, 2, 3 },
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// TOP
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{ 0, 1, 2, 0, 2, 3 },
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// BACK
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{ 0, 1, 2, 0, 2, 3 },
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// FRONT
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{ 0, 1, 2, 0, 2, 3 },
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};
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const unsigned int g_side_coord[Voxel::SIDE_COUNT] = { 0, 0, 1, 1, 2, 2 };
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const unsigned int g_side_sign[Voxel::SIDE_COUNT] = { 0, 1, 0, 1, 0, 1 };
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const Vector3i g_side_normals[Voxel::SIDE_COUNT] = {
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Vector3i(-1, 0, 0),
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Vector3i(1, 0, 0),
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Vector3i(0, -1, 0),
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Vector3i(0, 1, 0),
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Vector3i(0, 0, -1),
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Vector3i(0, 0, 1),
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};
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// Corners have same winding, relative to the face's normal
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const unsigned int g_side_corners[Voxel::SIDE_COUNT][4] = {
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{ 3, 0, 4, 7 },
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{ 1, 2, 6, 5 },
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{ 1, 0, 3, 2 },
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{ 4, 5, 6, 7 },
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{ 0, 1, 5, 4 },
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{ 2, 3, 7, 6 }
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};
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const unsigned int g_side_edges[Voxel::SIDE_COUNT][4] = {
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{ 3, 7, 11, 4 },
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{ 1, 6, 9, 5 },
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{ 0, 1, 2, 3 },
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{ 8, 9, 10, 11 },
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{ 0, 5, 8, 4 },
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{ 2, 6, 10, 7 }
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};
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// 3---2
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// | / | {0,1,2,0,2,3}
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// 0---1
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//static const unsigned int g_vertex_to_corner[Voxel::SIDE_COUNT][6] = {
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// { 0, 3, 7, 0, 7, 4 },
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// { 2, 1, 5, 2, 5, 6 },
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// { 0, 1, 2, 0, 2, 3 },
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// { 7, 6, 5, 7, 5, 4 },
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// { 1, 0, 4 ,1, 4, 5 },
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// { 3, 2, 6, 3, 6, 7 }
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//};
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const Vector3i g_corner_inormals[CORNER_COUNT] = {
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Vector3i(-1, -1, -1),
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Vector3i(1, -1, -1),
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Vector3i(1, -1, 1),
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Vector3i(-1, -1, 1),
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Vector3i(-1, 1, -1),
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Vector3i(1, 1, -1),
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Vector3i(1, 1, 1),
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Vector3i(-1, 1, 1)
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};
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const Vector3i g_edge_inormals[EDGE_COUNT] = {
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Vector3i(0, -1, -1),
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Vector3i(1, -1, 0),
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Vector3i(0, -1, 1),
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Vector3i(-1, -1, 0),
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Vector3i(-1, 0, -1),
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Vector3i(1, 0, -1),
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Vector3i(1, 0, 1),
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Vector3i(-1, 0, 1),
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Vector3i(0, 1, -1),
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Vector3i(1, 1, 0),
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Vector3i(0, 1, 1),
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Vector3i(-1, 1, 0)
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};
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const unsigned int g_edge_corners[EDGE_COUNT][2] = {
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{ 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 0 },
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{ 0, 4 }, { 1, 5 }, { 2, 6 }, { 3, 7 },
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{ 4, 5 }, { 5, 6 }, { 6, 7 }, { 7, 4 }
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};
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// Order is irrelevant
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const Vector3i g_moore_neighboring_3d[26] = {
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Vector3i(-1, -1, -1),
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Vector3i(0, -1, -1),
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Vector3i(1, -1, -1),
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Vector3i(-1, -1, 0),
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Vector3i(0, -1, 0),
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Vector3i(1, -1, 0),
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Vector3i(-1, -1, 1),
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Vector3i(0, -1, 1),
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Vector3i(1, -1, 1),
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Vector3i(-1, 0, -1),
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Vector3i(0, 0, -1),
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Vector3i(1, 0, -1),
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Vector3i(-1, 0, 0),
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//Vector3i(0,0,0),
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Vector3i(1, 0, 0),
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Vector3i(-1, 0, 1),
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Vector3i(0, 0, 1),
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Vector3i(1, 0, 1),
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Vector3i(-1, 1, -1),
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Vector3i(0, 1, -1),
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Vector3i(1, 1, -1),
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Vector3i(-1, 1, 0),
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Vector3i(0, 1, 0),
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Vector3i(1, 1, 0),
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Vector3i(-1, 1, 1),
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Vector3i(0, 1, 1),
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Vector3i(1, 1, 1),
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};
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} // namespace CubeTables
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