Relintai/voxelman
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Implemented blocky meshing.

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Relintai 2020-04-05 17:15:08 +02:00
parent d36eff4ed3
commit 37517c2e18
1 changed files with 260 additions and 16 deletions
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276
meshers/blocky/voxel_mesher_blocky.cpp
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@ -35,7 +35,6 @@ void VoxelMesherBlocky::_add_chunk(Ref<VoxelChunk> p_chunk) {
int y_size = chunk->get_size_y();
int z_size = chunk->get_size_z();
float voxel_size = get_lod_size();
float voxel_scale = get_voxel_scale();
Color base_light(_base_light_value, _base_light_value, _base_light_value);
@ -63,6 +62,7 @@ void VoxelMesherBlocky::_add_chunk(Ref<VoxelChunk> p_chunk) {
chunk->get_voxel(x, y, z - 1, VoxelChunkDefault::DEFAULT_CHANNEL_TYPE),
};
//x + 1
if (neighbours[0] == 0) {
Color light(chunk->get_voxel(x + 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x + 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
@ -79,28 +79,272 @@ void VoxelMesherBlocky::_add_chunk(Ref<VoxelChunk> p_chunk) {
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
add_indices(get_vertex_count() + 2);
add_indices(get_vertex_count() + 1);
add_indices(get_vertex_count() + 0);
add_indices(get_vertex_count() + 3);
add_indices(get_vertex_count() + 2);
add_indices(get_vertex_count() + 0);
int vc = get_vertex_count();
add_indices(vc + 2);
add_indices(vc + 1);
add_indices(vc + 0);
add_indices(vc + 3);
add_indices(vc + 2);
add_indices(vc + 0);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(1, 0, 0));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
add_uv(surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 0)));
add_uv(surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 1)));
add_uv(surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 0)));
add_uv(surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 1)));
//x - 1
if (neighbours[1] == 0) {
Color light(chunk->get_voxel(x - 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x - 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
chunk->get_voxel(x - 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_B) / 255.0);
add_vertex((Vector3(1, 0, 0) * voxel_size + Vector3(x, y, z)) * voxel_scale);
add_vertex((Vector3(1, 1, 0) * voxel_size + Vector3(x, y, z)) * voxel_scale);
add_vertex((Vector3(1, 1, 1) * voxel_size + Vector3(x, y, z)) * voxel_scale);
add_vertex((Vector3(1, 0, 1) * voxel_size + Vector3(x, y, z)) * voxel_scale);
float ao = chunk->get_voxel(x - 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_AO) / 255.0;
float rao = chunk->get_voxel(x - 1, y, z, VoxelChunkDefault::DEFAULT_CHANNEL_RANDOM_AO) / 255.0;
ao += rao;
light += base_light;
light -= Color(ao, ao, ao) * _ao_strength;
light.r = CLAMP(light.r, 0, 1.0);
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
int vc = get_vertex_count();
add_indices(vc + 0);
add_indices(vc + 1);
add_indices(vc + 2);
add_indices(vc + 0);
add_indices(vc + 2);
add_indices(vc + 3);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(-0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(-1, 0, 0));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
//y + 1
if (neighbours[2] == 0) {
Color light(chunk->get_voxel(x, y + 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x, y + 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
chunk->get_voxel(x, y + 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_B) / 255.0);
float ao = chunk->get_voxel(x, y + 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_AO) / 255.0;
float rao = chunk->get_voxel(x, y + 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_RANDOM_AO) / 255.0;
ao += rao;
light += base_light;
light -= Color(ao, ao, ao) * _ao_strength;
light.r = CLAMP(light.r, 0, 1.0);
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
int vc = get_vertex_count();
add_indices(vc + 2);
add_indices(vc + 1);
add_indices(vc + 0);
add_indices(vc + 3);
add_indices(vc + 2);
add_indices(vc + 0);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_TOP, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_TOP, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_TOP, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_TOP, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(0, 1, 0));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
//y - 1
if (neighbours[3] == 0) {
Color light(chunk->get_voxel(x, y - 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x, y - 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
chunk->get_voxel(x, y - 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_B) / 255.0);
float ao = chunk->get_voxel(x, y - 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_AO) / 255.0;
float rao = chunk->get_voxel(x, y - 1, z, VoxelChunkDefault::DEFAULT_CHANNEL_RANDOM_AO) / 255.0;
ao += rao;
light += base_light;
light -= Color(ao, ao, ao) * _ao_strength;
light.r = CLAMP(light.r, 0, 1.0);
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
int vc = get_vertex_count();
add_indices(vc + 0);
add_indices(vc + 1);
add_indices(vc + 2);
add_indices(vc + 0);
add_indices(vc + 2);
add_indices(vc + 3);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_BOTTOM, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_BOTTOM, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_BOTTOM, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_BOTTOM, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(0, -1, 0));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
//z + 1
if (neighbours[4] == 0) {
Color light(chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_B) / 255.0);
float ao = chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_AO) / 255.0;
float rao = chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_RANDOM_AO) / 255.0;
ao += rao;
light += base_light;
light -= Color(ao, ao, ao) * _ao_strength;
light.r = CLAMP(light.r, 0, 1.0);
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
int vc = get_vertex_count();
add_indices(vc + 2);
add_indices(vc + 1);
add_indices(vc + 0);
add_indices(vc + 3);
add_indices(vc + 2);
add_indices(vc + 0);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, -0.5, 0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(0, 0, 1));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
//z - 1
if (neighbours[5] == 0) {
Color light(chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_R) / 255.0,
chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_G) / 255.0,
chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_LIGHT_COLOR_B) / 255.0);
float ao = chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_AO) / 255.0;
float rao = chunk->get_voxel(x, y, z + 1, VoxelChunkDefault::DEFAULT_CHANNEL_RANDOM_AO) / 255.0;
ao += rao;
light += base_light;
light -= Color(ao, ao, ao) * _ao_strength;
light.r = CLAMP(light.r, 0, 1.0);
light.g = CLAMP(light.g, 0, 1.0);
light.b = CLAMP(light.b, 0, 1.0);
int vc = get_vertex_count();
add_indices(vc + 0);
add_indices(vc + 1);
add_indices(vc + 2);
add_indices(vc + 0);
add_indices(vc + 2);
add_indices(vc + 3);
Vector2 uvs[] = {
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 1)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(0, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 0)),
surface->transform_uv(VoxelSurface::VOXEL_SIDE_SIDE, Vector2(1, 1))
};
Vector3 verts[] = {
Vector3(0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, 0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale,
Vector3(-0.5, -0.5, -0.5) * voxel_scale + Vector3(x, y, z) * voxel_scale
};
for (int i = 0; i < 4; ++i) {
add_normal(Vector3(0, 0, -1));
add_color(light);
add_uv(uvs[i]);
add_vertex(verts[i]);
}
}
}
}