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Univerxel
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Prevent suffocation

sphinx
May B. 2020-10-25 11:22:32 +01:00
parent 5fdff56f8f
commit ec467ca037
15 changed files with 124 additions and 10 deletions
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6
README.md
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@ -90,6 +90,7 @@ cmake <options> ..
```
CMake options: `-DKEY=VAL`
Key | Usage | Default
--- | --- | ---
SIMD_LEVEL | SIMD processor acceleration (sse2, sse4.1, avx2, avx512f) | `avx2`
@ -144,6 +145,7 @@ Distributed under the MIT License. See [LICENSE](LICENSE) for more information.
<!-- CONTACT -->
## Contact
Maelys Bois - [/me](https://git.wadza.fr/me) - me@wadza.fr
Shu - [/me](https://git.wadza.fr/me) - me@wadza.fr
Project Link: [https://git.wadza.fr/me/univerxel](https://git.wadza.fr/me/univerxel)
Public releases: [https://framagit.org/univerxel/univerxel](https://framagit.org/univerxel/univerxel)
Working repo: [https://git.wadza.fr/me/univerxel](https://git.wadza.fr/me/univerxel)

5
TODO.md
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@ -29,8 +29,8 @@
- Cube
- Sphere
- [ ] More types
- Anchor
- Prevent suffocation
- [ ] Anchor
- [x] Prevent suffocation
- [ ] Local prediction
- [~] Occlusion Culling
- [ ] Iterator ray
@ -41,6 +41,7 @@
## Hello universe
- [ ] CI build
- [ ] Universe
- [ ] Galaxy
- [ ] Rotation

10
src/client/Client.cpp
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@ -67,7 +67,7 @@ void Client::run(server_handle* const localHandle) {
if(auto target = std::get_if<world::Universe::ray_target>(&ray_result)) {
state.look_at = *target;
const auto &tool = options.editor.tool;
state.can_fill = true; //FIXME: world->canFill(target->pos, tool.shape, tool.radius);
state.can_fill = world->isAreaFree(target->pos, world::action::ToGeometry(tool.shape), tool.radius);
} else {
state.look_at = {};
}
@ -79,9 +79,10 @@ void Client::run(server_handle* const localHandle) {
if (inputs.isPressing(Mouse::Left))
world->emit(world::action::FillShape(
state.look_at.value().pos, world::Voxel(world::materials::AIR, tool.emptyAir * world::Voxel::DENSITY_MAX), tool.shape, tool.radius));
else if (inputs.isPressing(Mouse::Right))
else if (const auto voxel = world::Voxel(tool.material, world::Voxel::DENSITY_MAX);
inputs.isPressing(Mouse::Right) && (state.can_fill || !voxel.is_solid()))
world->emit(world::action::FillShape(
state.look_at.value().pos, world::Voxel(tool.material, world::Voxel::DENSITY_MAX), tool.shape, tool.radius));
state.look_at.value().pos, voxel, tool.shape, tool.radius));
}
if (inputs.isDown(Input::Throw)) {
//FIXME: register entity type world->addEntity(entity_id(0), {state.position * options.voxel_density, glm::vec3(10, 0, 0)});
@ -197,8 +198,9 @@ void Client::run(server_handle* const localHandle) {
const auto pass = pipeline->beginIndicatorPass();
if(state.look_at.has_value()) { // Indicator
const auto model = glm::scale(glm::translate(glm::scale(glm::mat4(1), 1.f / glm::vec3(options.voxel_density)), glm::vec3(state.look_at.value().pos.second + state.look_at.value().offset - offset * glm::llvec3(options.voxel_density)) - glm::vec3(.5 + options.editor.tool.radius)), glm::vec3(1 + options.editor.tool.radius * 2));
const auto color = state.can_fill ? glm::vec4(1, 1, 1, .5) : (world::materials::solidity[options.editor.tool.material] ? glm::vec4(1, 0, 0, .5) : glm::vec4(1, .5, 0, .5));
reports.models_count++;
reports.tris_count += pass(model, options.editor.tool.shape, state.can_fill ? glm::vec4(1, 1, 1, .5) : glm::vec4(1, 0, 0, .5));
reports.tris_count += pass(model, options.editor.tool.shape, color);
}
}
pipeline->postProcess();

10
src/client/contouring/FlatDualMC.cpp
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@ -253,6 +253,16 @@ namespace contouring {
}
ImGui::Columns(1);
}
if (ImGui::Button("Flush buffers")) {
//TODO: prefer unique_ptr
for(auto& buffer: buffers) {
for(auto& val: buffer.second.second) {
delete val.second.first;
delete val.second.second;
}
}
buffers.clear();
}
}
void FlatDualMC::render(const surrounding::corners &surrounding, render::LodModel::LodData &out, std::vector<render::VertexData> &tmp, Layer layer) const {

12
src/client/world/DistantUniverse.cpp
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@ -269,6 +269,18 @@ Universe::ray_result DistantUniverse::raycast(const geometry::Ray &ray) const {
return Raycast(ray, areas);
}
bool DistantUniverse::isAreaFree(const area_<voxel_pos> &pos, const geometry::Shape shape, const uint16_t radius) const {
if (const auto it = areas.find(pos.first); it != areas.end()) {
const auto center = pos.second + it->second->getOffset().as_voxel();
return !entities.contains([&](size_t, const Entity &entity) {
return entity.instances.contains([&](size_t, const Universe::Entity::Instance &inst) {
return geometry::InShape(shape, center, radius, inst.pos.as_voxel(), entity.size);
});
});
} else
return false;
}
void DistantUniverse::getEntitiesModels(const std::function<void(size_t, const std::vector<glm::mat4>&)>& call,
const std::optional<geometry::Frustum>& frustum, const glm::llvec3& offset, int density)
{

2
src/client/world/DistantUniverse.hpp
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@ -18,6 +18,8 @@ namespace world::client {
ray_result raycast(const geometry::Ray &) const override;
bool isAreaFree(const area_<voxel_pos> &pos, geometry::Shape shape, uint16_t radius) const override;
void getEntitiesModels(const std::function<void(size_t, const std::vector<glm::mat4>&)>&,
const std::optional<geometry::Frustum>& frustum, const glm::llvec3& offset, int density) override;

11
src/client/world/LocalUniverse.cpp
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@ -55,6 +55,17 @@ void LocalUniverse::emit(const action::packet &packet) {
Universe::ray_result LocalUniverse::raycast(const geometry::Ray& ray) const {
return handle->raycast(ray);
}
bool LocalUniverse::isAreaFree(const area_<voxel_pos> &pos, const geometry::Shape shape, const uint16_t radius) const {
if (const auto it = handle->areas->find(pos.first); it != handle->areas->end()) {
const auto center = pos.second + it->second->getOffset().as_voxel();
return !handle->entities->contains([&](entity_id, const Entity &entity) {
return entity.instances.contains([&](entity_id, const Entity::Instance &inst) {
return geometry::InShape(shape, center, radius, inst.pos.as_voxel(), entity.size);
});
});
} else
return false;
}
void LocalUniverse::getEntitiesModels(const std::function<void(size_t, const std::vector<glm::mat4>&)>& call,
const std::optional<geometry::Frustum>& frustum, const glm::llvec3& offset, int density)

2
src/client/world/LocalUniverse.hpp
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@ -15,6 +15,8 @@ namespace world::client {
ray_result raycast(const geometry::Ray &ray) const override;
bool isAreaFree(const area_<voxel_pos> &pos, geometry::Shape shape, uint16_t radius) const override;
void getEntitiesModels(const std::function<void(size_t, const std::vector<glm::mat4>&)>&,
const std::optional<geometry::Frustum>& frustum, const glm::llvec3& offset, int density) override;

10
src/core/data/generational.hpp
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@ -264,6 +264,16 @@ namespace data::generational {
}
}
template<typename predicate>
bool contains(predicate fn) const {
for (size_t i = 0; i < this->size(); i++) {
if(this->at(i).has_value() && fn(i, this->at(i).value())) {
return true;
}
}
return false;
}
size_t count() const {
return std::count_if(this->begin(), this->end(),
[](const std::optional<T> &e) { return e.has_value(); });

28
src/core/geometry/Shapes.hpp Normal file
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@ -0,0 +1,28 @@
#pragma once
#include "../flags.hpp"
#include "../data/math.hpp"
#include "IBox.hpp"
namespace geometry {
enum class Shape {
Cube,
Sphere
};
static _FORCE_INLINE_ bool InShape(Shape shape, glm::llvec3 center, int radius, glm::llvec3 pos, glm::vec3 size) {
switch (shape) {
case Shape::Cube:
return IBox::fromCenter(center, radius).contains(
IBox::fromMin(pos, size)) != IBox::ContainmentType::Disjoint;
case Shape::Sphere:
return glm::length2(center - pos) < glm::pow2(radius + (int)size.x);
default:
return false;
}
}
};

5
src/core/world/Universe.hpp
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@ -5,6 +5,7 @@
#include "Voxel.hpp"
#include "position.h"
#include "../geometry/Ray.hpp"
#include "../geometry/Shapes.hpp"
namespace world {
/// Whole abstract universe container
@ -43,6 +44,10 @@ namespace world {
/// @note ray in world scale
virtual ray_result raycast(const geometry::Ray &ray) const = 0;
/// Check for entity in shape
/// MAYBE: multiarea
virtual bool isAreaFree(const area_<voxel_pos> &pos, geometry::Shape shape, uint16_t radius) const = 0;
/// Check for collision on movement
bool collide(const glm::ifvec3 &pos, const glm::vec3 &vel, int density, float radius = 0) const;
/// Move with collision check

13
src/core/world/actions.hpp
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@ -3,6 +3,8 @@
#include "forward.h"
#include "Voxel.hpp"
#include <variant>
#include "../flags.hpp"
#include "../geometry/Shapes.hpp"
/// Client action on world
namespace world::action {
@ -17,7 +19,7 @@ struct Fill: part::Ping {
const area_<voxel_pos> pos;
const Voxel val;
};
enum class Shape : uint8_t {
enum class Shape: uint8_t {
Cube,
Sphere,
/*SmoothSphere,
@ -32,6 +34,15 @@ enum class Shape : uint8_t {
ConeNZ,
*/
};
static _FORCE_INLINE_ geometry::Shape ToGeometry(Shape shape) {
switch (shape) {
case Shape::Sphere:
return geometry::Shape::Sphere;
default:
return geometry::Shape::Cube;
}
}
constexpr auto SHAPES = "Cube\0Sphere\0";
struct FillShape: Fill {
FillShape(const area_<voxel_pos> &pos, const Voxel &val, Shape shape, uint8_t radius):

1
src/server/world/SharedUniverse.cpp
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@ -15,6 +15,7 @@ SharedUniverse::SharedUniverse(const options &o, server_handle *const localHandl
localHandle->entities = &entities;
localHandle->emit = std::function([&](const world::action::packet &packet) {
if(const auto fill = std::get_if<world::action::FillShape>(&packet)) {
//NOTE: LocalUniverse had already check for entities
if (fill->shape == world::action::Shape::Cube)
this->setCube(fill->pos, fill->val, fill->radius);
else

17
src/server/world/Universe.cpp
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@ -454,7 +454,10 @@ void Universe::pullNetwork() {
case client_packet_type::FILL_SHAPE: {
if(const auto fill = PacketReader(packet).read<world::action::FillShape>()) {
//TODO: check ray
//TODO: check entities
if (fill->val.is_solid() && !isAreaFree(fill->pos, world::action::ToGeometry(fill->shape), fill->radius)) {
LOG_T("Entity in solid fill area");
break;
}
//TODO: handle inventory
if (fill->shape == world::action::Shape::Cube)
setCube(fill->pos, fill->val, fill->radius);
@ -542,6 +545,18 @@ Universe::ray_result Universe::raycast(const geometry::Ray &ray) const {
return Raycast(ray, areas);
}
bool Universe::isAreaFree(const area_<voxel_pos> &pos, const geometry::Shape shape, const uint16_t radius) const {
if (const auto it = areas.find(pos.first); it != areas.end()) {
const auto center = pos.second + it->second->getOffset().as_voxel();
return !entities.contains([&](entity_id, const Entity &entity) {
return entity.instances.contains([&](entity_id, const Entity::Instance &inst) {
return geometry::InShape(shape, center, radius, inst.pos.as_voxel(), entity.size);
});
});
} else
return false;
}
std::optional<world::Item> Universe::set(const area_<voxel_pos>& pos, const Voxel& val) {
if(const auto it = areas.find(pos.first); it != areas.end()) {
auto &chunks = it->second->setChunks();

2
src/server/world/Universe.hpp
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@ -59,6 +59,8 @@ namespace world::server {
/// @note ray in world scale
ray_result raycast(const geometry::Ray &ray) const override;
bool isAreaFree(const area_<voxel_pos> &pos, geometry::Shape shape, uint16_t radius) const override;
/// Check for collision on destination
bool collide_end(const glm::ifvec3 &pos, const glm::vec3 &vel, int density, float radius) const;
/// Check for collision at position