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Added a lod index parameter to the terrarin mesher.

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This commit is contained in:
Relintai 2021-04-17 12:25:38 +02:00
parent 1497344339
commit 95df18c027
2 changed files with 30 additions and 12 deletions
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38
meshers/blocky/terra_mesher_blocky.cpp
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@ -31,6 +31,13 @@ void TerraMesherBlocky::set_always_add_colors(const bool value) {
_always_add_colors = value; _always_add_colors = value;
} }
int TerraMesherBlocky::get_lod_index() const {
return _lod_index;
}
void TerraMesherBlocky::set_lod_index(const int value) {
_lod_index = value;
}
void TerraMesherBlocky::_add_chunk(Ref<TerraChunk> p_chunk) { void TerraMesherBlocky::_add_chunk(Ref<TerraChunk> p_chunk) {
Ref<TerraChunkDefault> chunk = p_chunk; Ref<TerraChunkDefault> chunk = p_chunk;
@ -81,15 +88,20 @@ void TerraMesherBlocky::_add_chunk(Ref<TerraChunk> p_chunk) {
channel_rao = chunk->channel_get(TerraChunkDefault::DEFAULT_CHANNEL_RANDOM_AO); channel_rao = chunk->channel_get(TerraChunkDefault::DEFAULT_CHANNEL_RANDOM_AO);
} }
int lod_index = 1; int lod_skip = 1;
for (int z = chunk->get_margin_start(); z < z_size + chunk->get_margin_end(); z += lod_index) {
for (int x = chunk->get_margin_start(); x < x_size + chunk->get_margin_end(); x += lod_index) { if (_lod_index > 0) {
lod_skip = _lod_index * 2;
}
for (int z = chunk->get_margin_start(); z < z_size + chunk->get_margin_end(); z += lod_skip) {
for (int x = chunk->get_margin_start(); x < x_size + chunk->get_margin_end(); x += lod_skip) {
int indexes[4] = { int indexes[4] = {
chunk->get_data_index(x + lod_index, z), chunk->get_data_index(x + lod_skip, z),
chunk->get_data_index(x, z), chunk->get_data_index(x, z),
chunk->get_data_index(x, z + lod_index), chunk->get_data_index(x, z + lod_skip),
chunk->get_data_index(x + lod_index, z + lod_index) chunk->get_data_index(x + lod_skip, z + lod_skip)
}; };
uint8_t type = channel_type[indexes[0]]; uint8_t type = channel_type[indexes[0]];
@ -153,16 +165,13 @@ void TerraMesherBlocky::_add_chunk(Ref<TerraChunk> p_chunk) {
surface->transform_uv_scaled(TerraSurface::TERRA_SIDE_TOP, Vector2(1, 1), x % get_texture_scale(), z % get_texture_scale(), get_texture_scale()) surface->transform_uv_scaled(TerraSurface::TERRA_SIDE_TOP, Vector2(1, 1), x % get_texture_scale(), z % get_texture_scale(), get_texture_scale())
}; };
Vector3 verts[] = { Vector3 verts[] = {
Vector3(x + lod_index, isolevels[0] / 255.0 * world_height, z) * voxel_scale, Vector3(x + lod_skip, isolevels[0] / 255.0 * world_height, z) * voxel_scale,
Vector3(x, isolevels[1] / 255.0 * world_height, z) * voxel_scale, Vector3(x, isolevels[1] / 255.0 * world_height, z) * voxel_scale,
Vector3(x, isolevels[2] / 255.0 * world_height, z + lod_index) * voxel_scale, Vector3(x, isolevels[2] / 255.0 * world_height, z + lod_skip) * voxel_scale,
Vector3(x + lod_index, isolevels[3] / 255.0 * world_height, z + lod_index) * voxel_scale Vector3(x + lod_skip, isolevels[3] / 255.0 * world_height, z + lod_skip) * voxel_scale
}; };
Vector3 normals[] = { Vector3 normals[] = {
(verts[0] - verts[1]).cross(verts[0] - verts[2]).normalized(), (verts[0] - verts[1]).cross(verts[0] - verts[2]).normalized(),
(verts[0] - verts[1]).cross(verts[1] - verts[2]).normalized(), (verts[0] - verts[1]).cross(verts[1] - verts[2]).normalized(),
@ -185,6 +194,7 @@ void TerraMesherBlocky::_add_chunk(Ref<TerraChunk> p_chunk) {
TerraMesherBlocky::TerraMesherBlocky() { TerraMesherBlocky::TerraMesherBlocky() {
_always_add_colors = false; _always_add_colors = false;
_lod_index = 0;
} }
TerraMesherBlocky::~TerraMesherBlocky() { TerraMesherBlocky::~TerraMesherBlocky() {
@ -196,4 +206,8 @@ void TerraMesherBlocky::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_always_add_colors"), &TerraMesherBlocky::get_always_add_colors); ClassDB::bind_method(D_METHOD("get_always_add_colors"), &TerraMesherBlocky::get_always_add_colors);
ClassDB::bind_method(D_METHOD("set_always_add_colors", "value"), &TerraMesherBlocky::set_always_add_colors); ClassDB::bind_method(D_METHOD("set_always_add_colors", "value"), &TerraMesherBlocky::set_always_add_colors);
ADD_PROPERTY(PropertyInfo(Variant::INT, "always_add_colors"), "set_always_add_colors", "get_always_add_colors"); ADD_PROPERTY(PropertyInfo(Variant::INT, "always_add_colors"), "set_always_add_colors", "get_always_add_colors");
ClassDB::bind_method(D_METHOD("get_lod_index"), &TerraMesherBlocky::get_lod_index);
ClassDB::bind_method(D_METHOD("set_lod_index", "value"), &TerraMesherBlocky::set_lod_index);
ADD_PROPERTY(PropertyInfo(Variant::INT, "lod_index"), "set_lod_index", "get_lod_index");
} }

4
meshers/blocky/terra_mesher_blocky.h
View File

@ -43,6 +43,9 @@ public:
bool get_always_add_colors() const; bool get_always_add_colors() const;
void set_always_add_colors(const bool value); void set_always_add_colors(const bool value);
int get_lod_index() const;
void set_lod_index(const int value);
void _add_chunk(Ref<TerraChunk> p_chunk); void _add_chunk(Ref<TerraChunk> p_chunk);
TerraMesherBlocky(); TerraMesherBlocky();
@ -53,6 +56,7 @@ protected:
private: private:
bool _always_add_colors; bool _always_add_colors;
int _lod_index;
}; };
#endif #endif