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feat(editor): terrain holes, recent textures, sculpt panel polish

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- Punch Hole / Fill Hole buttons in Sculpt panel: creates terrain
  holes (4x4 bitmask) for cave entrances, mine shafts, etc.
  Uses brush radius to determine affected area.
- Recent Textures: paint panel shows last 6 used textures as quick-
  select buttons (no need to re-search the full list)
- Holes saved in ADT format (MCNK holes field) and respected by
  the mesh generator (triangles skipped at hole positions)
This commit is contained in:
Kelsi 2026-05-05 04:34:03 -07:00
parent cc6a72e7b2
commit f5fe9a0101
5 changed files with 93 additions and 0 deletions
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54
tools/editor/terrain_editor.cpp
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@ -586,5 +586,59 @@ void TerrainEditor::removeWater(const glm::vec3& center, float radius) {
}
}
void TerrainEditor::punchHole(const glm::vec3& center, float radius) {
if (!terrain_) return;
auto affected = getAffectedChunks(center, radius);
for (int ci : affected) {
auto& chunk = terrain_->chunks[ci];
// Each chunk has 8x8 quads, holes use a 4x4 bitmask (each bit covers 2x2 quads)
for (int hy = 0; hy < 4; hy++) {
for (int hx = 0; hx < 4; hx++) {
// Center of this 2x2 quad group
int cx = ci % 16, cy = ci / 16;
float tileNW_X = (32.0f - static_cast<float>(terrain_->coord.y)) * TILE_SIZE;
float tileNW_Y = (32.0f - static_cast<float>(terrain_->coord.x)) * TILE_SIZE;
float qx = tileNW_X - cy * CHUNK_SIZE - (hy * 2 + 1) * CHUNK_SIZE / 8.0f;
float qy = tileNW_Y - cx * CHUNK_SIZE - (hx * 2 + 1) * CHUNK_SIZE / 8.0f;
float dist = std::sqrt((qx - center.x) * (qx - center.x) +
(qy - center.y) * (qy - center.y));
if (dist < radius) {
int bit = 1 << (hy * 4 + hx);
chunk.holes |= static_cast<uint16_t>(bit);
}
}
}
if (std::find(dirtyChunks_.begin(), dirtyChunks_.end(), ci) == dirtyChunks_.end())
dirtyChunks_.push_back(ci);
dirty_ = true;
}
}
void TerrainEditor::fillHole(const glm::vec3& center, float radius) {
if (!terrain_) return;
auto affected = getAffectedChunks(center, radius);
for (int ci : affected) {
auto& chunk = terrain_->chunks[ci];
for (int hy = 0; hy < 4; hy++) {
for (int hx = 0; hx < 4; hx++) {
int cx = ci % 16, cy = ci / 16;
float tileNW_X = (32.0f - static_cast<float>(terrain_->coord.y)) * TILE_SIZE;
float tileNW_Y = (32.0f - static_cast<float>(terrain_->coord.x)) * TILE_SIZE;
float qx = tileNW_X - cy * CHUNK_SIZE - (hy * 2 + 1) * CHUNK_SIZE / 8.0f;
float qy = tileNW_Y - cx * CHUNK_SIZE - (hx * 2 + 1) * CHUNK_SIZE / 8.0f;
float dist = std::sqrt((qx - center.x) * (qx - center.x) +
(qy - center.y) * (qy - center.y));
if (dist < radius) {
int bit = 1 << (hy * 4 + hx);
chunk.holes &= ~static_cast<uint16_t>(bit);
}
}
}
if (std::find(dirtyChunks_.begin(), dirtyChunks_.end(), ci) == dirtyChunks_.end())
dirtyChunks_.push_back(ci);
dirty_ = true;
}
}
} // namespace editor
} // namespace wowee