#ifndef BLANK_MODEL_INSTANCE_HPP_
#define BLANK_MODEL_INSTANCE_HPP_
+#include "Part.hpp"
+
#include <vector>
#include <glm/glm.hpp>
#include <glm/gtc/quaternion.hpp>
class Model;
class DirectionalLighting;
-// TODO: this doesn't have to be a tree, actually
-// linearizing might be a good opportunity to optimize
class Instance {
friend class Model;
public:
Instance();
- operator bool() const noexcept { return part_model; }
- const Model &GetModel() const noexcept { return *part_model; }
-
- const glm::vec3 &Position() const noexcept { return position; }
- void Position(const glm::vec3 &p) noexcept { position = p; }
-
- const glm::quat &Orientation() const noexcept { return orientation; }
- void Orientation(const glm::quat &o) noexcept { orientation = o; }
-
- glm::mat4 LocalTransform() const noexcept;
- glm::mat4 GlobalTransform() const noexcept;
+ operator bool() const noexcept { return model; }
+ const Model &GetModel() const noexcept { return *model; }
void Render(const glm::mat4 &, DirectionalLighting &) const;
private:
- Instance &AddPart();
- bool HasParent() const noexcept { return parent; }
- Instance &Parent() const noexcept { return *parent; }
- bool IsRoot() const noexcept { return !HasParent(); }
-
-private:
- const Model *part_model;
- Instance *parent;
-
- glm::vec3 position;
- glm::quat orientation;
-
- std::vector<Instance> parts;
+ const Model *model;
+ std::vector<Part::State> state;
};
#ifndef BLANK_MODEL_MODEL_HPP_
#define BLANK_MODEL_MODEL_HPP_
-#include "geometry.hpp"
+#include "Part.hpp"
#include <cstdint>
#include <list>
+#include <vector>
#include <glm/glm.hpp>
#include <glm/gtc/quaternion.hpp>
std::uint32_t ID() const noexcept { return id; }
void ID(std::uint32_t i) noexcept { id = i; }
- const AABB &Bounds() const noexcept { return bounds; }
- void Bounds(const AABB &b) noexcept { bounds = b; }
-
- const glm::vec3 &Position() const noexcept { return position; }
- void Position(const glm::vec3 &p) noexcept { position = p; }
-
- const glm::quat &Orientation() const noexcept { return orientation; }
- void Orientation(const glm::quat &o) noexcept { orientation = o; }
-
- bool HasNodeMesh() const noexcept { return node_mesh; }
- void SetNodeMesh(const EntityMesh *m) noexcept { node_mesh = m; }
-
- const EntityMesh &NodeMesh() const noexcept { return *node_mesh; }
-
- Model &AddPart();
- bool HasParent() const noexcept { return parent; }
- Model &Parent() const noexcept { return *parent; }
- bool IsRoot() const noexcept { return !HasParent(); }
-
- glm::mat4 LocalTransform() const noexcept;
- glm::mat4 GlobalTransform() const noexcept;
+ Part &RootPart() noexcept { return root; }
+ const Part &RootPart() const noexcept { return root; }
+ Part &GetPart(std::size_t i) noexcept { return *part[i]; }
+ const Part &GetPart(std::size_t i) const noexcept { return *part[i]; }
+ void Enumerate();
void Instantiate(Instance &) const;
private:
- Model *parent;
- const EntityMesh *node_mesh;
-
std::uint32_t id;
-
- AABB bounds;
-
- glm::vec3 position;
- glm::quat orientation;
-
- std::list<Model> parts;
+ Part root;
+ std::vector<Part *> part;
};
namespace blank {
-Model::Model()
-: parent(nullptr)
-, node_mesh(nullptr)
-, id(0)
-, bounds{{ 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 0.0f }}
-, position(0.0f)
-, orientation(1.0f, 0.0f, 0.0f, 0.0f)
-, parts() {
+Instance::Instance()
+: model(nullptr)
+, state() {
}
-
-Model &Model::AddPart() {
- parts.emplace_back();
- parts.back().parent = this;
- return parts.back();
+void Instance::Render(const glm::mat4 &M, DirectionalLighting &prog) const {
+ model->RootPart().Render(M, state, prog);
}
-glm::mat4 Model::LocalTransform() const noexcept {
- glm::mat4 transform(toMat4(orientation));
- transform[3].x = position.x;
- transform[3].y = position.y;
- transform[3].z = position.z;
- return transform;
-}
+Model::Model()
+: id(0)
+, root()
+, part() {
-glm::mat4 Model::GlobalTransform() const noexcept {
- if (HasParent()) {
- return Parent().GlobalTransform() * LocalTransform();
- } else {
- return LocalTransform();
- }
}
+void Model::Enumerate() {
+ part.clear();
+ part.resize(root.Enumerate(0), nullptr);
+ root.Index(part);
+}
void Model::Instantiate(Instance &inst) const {
- inst.part_model = this;
- inst.position = position;
- inst.orientation = orientation;
- inst.parts.clear();
- inst.parts.reserve(parts.size());
- for (const Model &part : parts) {
- part.Instantiate(inst.AddPart());
- }
+ inst.model = this;
+ inst.state.clear();
+ inst.state.resize(part.size());
}
-Instance::Instance()
-: part_model(nullptr)
+Part::Part()
+: id(0)
+, bounds{ glm::vec3(0.0f), glm::vec3(0.0f) }
+, initial()
+, mesh(nullptr)
, parent(nullptr)
-, position(0.0f)
-, orientation(1.0f, 0.0f, 0.0f, 0.0f)
-, parts() {
+, children() {
}
+Part::~Part() {
+
+}
+
+Part &Part::AddChild() {
+ children.emplace_back();
+ children.back().parent = this;
+ return children.back();
+}
-Instance &Instance::AddPart() {
- parts.emplace_back();
- parts.back().parent = this;
- return parts.back();
+std::uint16_t Part::Enumerate(std::uint16_t counter) noexcept {
+ id = counter++;
+ for (Part &part : children) {
+ counter = part.Enumerate(counter);
+ }
+ return counter;
}
+void Part::Index(std::vector<Part *> &index) noexcept {
+ index[id] = this;
+ for (Part &part : children) {
+ part.Index(index);
+ }
+}
-glm::mat4 Instance::LocalTransform() const noexcept {
- glm::mat4 transform(toMat4(orientation));
- transform[3].x = position.x;
- transform[3].y = position.y;
- transform[3].z = position.z;
+glm::mat4 Part::LocalTransform(
+ const std::vector<State> &state
+) const noexcept {
+ glm::mat4 transform(toMat4(initial.orientation * state[id].orientation));
+ transform[3] = glm::vec4(initial.position + state[id].position, 1.0f);
return transform;
}
-glm::mat4 Instance::GlobalTransform() const noexcept {
- if (HasParent()) {
- return Parent().GlobalTransform() * LocalTransform();
+glm::mat4 Part::GlobalTransform(
+ const std::vector<State> &state
+) const noexcept {
+ if (parent) {
+ return parent->GlobalTransform(state) * LocalTransform(state);
} else {
- return LocalTransform();
+ return LocalTransform(state);
}
}
-
-void Instance::Render(const glm::mat4 &M, DirectionalLighting &prog) const {
- glm::mat4 transform(M * LocalTransform());
- if (part_model->HasNodeMesh()) {
+void Part::Render(
+ const glm::mat4 &M,
+ const std::vector<State> &state,
+ DirectionalLighting &prog
+) const {
+ glm::mat4 transform = M * LocalTransform(state);
+ if (mesh) {
prog.SetM(transform);
- part_model->NodeMesh().Draw();
+ mesh->Draw();
}
- for (const Instance &part : parts) {
- part.Render(transform, prog);
+ for (const Part &part : children) {
+ part.Render(transform, state, prog);
}
}
{
skeletons.emplace_back(new Model);
skeletons[0]->ID(1);
- skeletons[0]->Bounds(bounds);
+ skeletons[0]->RootPart().bounds = bounds;
+ skeletons[0]->Enumerate();
}
{
skeletons.emplace_back(new Model);
skeletons[1]->ID(2);
- skeletons[1]->Bounds(bounds);
+ skeletons[1]->RootPart().bounds = bounds;
+ skeletons[1]->Enumerate();
}
{
skeletons.emplace_back(new Model);
skeletons[2]->ID(3);
- skeletons[2]->Bounds(bounds);
+ skeletons[2]->RootPart().bounds = bounds;
+ skeletons[2]->Enumerate();
}
{
skeletons.emplace_back(new Model);
skeletons[3]->ID(4);
- skeletons[3]->Bounds(bounds);
+ skeletons[3]->RootPart().bounds = bounds;
+ skeletons[3]->Enumerate();
}
}
buf.hsl_mods.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
buf.rgb_mods.resize(shape.VertexCount(), { 1.0f, 1.0f, 0.0f });
meshes[0].Update(buf);
- skeletons[0]->SetNodeMesh(&meshes[0]);
+ skeletons[0]->RootPart().mesh = &meshes[0];
}
{
buf.Clear();
buf.hsl_mods.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
buf.rgb_mods.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
meshes[1].Update(buf);
- skeletons[1]->SetNodeMesh(&meshes[1]);
+ skeletons[1]->RootPart().mesh = &meshes[1];
}
{
buf.Clear();
buf.hsl_mods.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
buf.rgb_mods.resize(shape.VertexCount(), { 1.0f, 0.0f, 1.0f });
meshes[2].Update(buf);
- skeletons[2]->SetNodeMesh(&meshes[2]);
+ skeletons[2]->RootPart().mesh = &meshes[2];
}
{
buf.Clear();
buf.hsl_mods.resize(shape.VertexCount(), { 0.0f, 1.0f, 1.0f });
buf.rgb_mods.resize(shape.VertexCount(), { 1.0f, 0.25f, 0.5f });
meshes[3].Update(buf);
- skeletons[3]->SetNodeMesh(&meshes[3]);
+ skeletons[3]->RootPart().mesh = &meshes[3];
}
}
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