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fix extended blocks collision detection

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MihailRis 2026-02-23 18:44:32 +03:00
parent 0a34f9b767
commit c8e884009b
5 changed files with 40 additions and 26 deletions
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15
src/voxels/blocks_agent.hpp
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@ -460,22 +460,21 @@ void get_voxels(const Chunks& chunks, VoxelsVolume* volume, bool backlight=false
void get_voxels(const GlobalChunks& chunks, VoxelsVolume* volume, bool backlight=false);
template <class Storage>
inline const AABB* is_obstacle_at(const Storage& chunks, float x, float y, float z, const AABB& aabb) {
inline std::optional<AABB> is_obstacle_at(const Storage& chunks, float x, float y, float z, const AABB& aabb) {
int ix = std::floor(x);
int iy = std::floor(y);
int iz = std::floor(z);
voxel* v = get(chunks, ix, iy, iz);
if (v == nullptr) {
if (iy >= CHUNK_H) {
return nullptr;
return std::nullopt;
} else {
static const AABB empty;
return &empty;
return AABB();
}
}
const auto& def = chunks.getContentIndices().blocks.require(v->id);
if (!def.obstacle) {
return nullptr;
return std::nullopt;
}
glm::ivec3 offset {};
if (v->state.segment) {
@ -487,14 +486,14 @@ inline const AABB* is_obstacle_at(const Storage& chunks, float x, float y, float
for (const auto& hitbox : boxes) {
if (hitbox.intersects(aabb - glm::ivec3(ix, iy, iz))) {
return &hitbox;
return hitbox + offset;
}
}
return nullptr;
return std::nullopt;
}
template <class Storage>
inline const AABB* is_obstacle_at(const Storage& chunks, float x, float y, float z) {
inline std::optional<AABB> is_obstacle_at(const Storage& chunks, float x, float y, float z) {
return is_obstacle_at(chunks, x, y, z, AABB({x, y, z}, {x + 1, y + 1, z + 1}));
}