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authorDan Goodliffe <dan@randomdan.homeip.net>2023-05-06 16:42:08 +0100
committerDan Goodliffe <dan@randomdan.homeip.net>2023-05-06 16:42:08 +0100
commit72ab29786f6d4c97a92cb95c75091537490e2d0f (patch)
tree18bf013e3be660b0769cd1a601e670eb79355324
parentRefactor InstanceVertices in terms of glContainer (diff)
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Templated BufferedLocation and single buffer storage for RVC locations
-rw-r--r--game/vehicles/railVehicle.cpp11
-rw-r--r--game/vehicles/railVehicle.h12
-rw-r--r--game/vehicles/railVehicleClass.cpp23
-rw-r--r--game/vehicles/railVehicleClass.h8
-rw-r--r--gfx/gl/bufferedLocation.cpp16
-rw-r--r--gfx/gl/bufferedLocation.h32
-rw-r--r--test/test-render.cpp2
7 files changed, 59 insertions, 45 deletions
diff --git a/game/vehicles/railVehicle.cpp b/game/vehicles/railVehicle.cpp
index c4a9e96..2d820b6 100644
--- a/game/vehicles/railVehicle.cpp
+++ b/game/vehicles/railVehicle.cpp
@@ -12,13 +12,12 @@
#include <ray.h>
RailVehicle::RailVehicle(RailVehicleClassPtr rvc) :
- rvClass {std::move(rvc)}, location {rvClass->instancesBody}, bogies {
- rvClass->instancesBogies.front(),
- rvClass->instancesBogies.back(),
- }
+ RailVehicleClass::Instance {rvc->instances.acquire()}, rvClass {std::move(rvc)}, location {&LV::body, *this},
+ bogies {{
+ {&LV::front, *this, glm::vec3 {0, rvClass->wheelBase / 2.F, 0}},
+ {&LV::back, *this, glm::vec3 {0, -rvClass->wheelBase / 2.F, 0}},
+ }}
{
- bogies.front().setPosition({0, rvClass->wheelBase / 2.F, 0});
- bogies.back().setPosition({0, -bogies.front().position().y, 0});
}
void
diff --git a/game/vehicles/railVehicle.h b/game/vehicles/railVehicle.h
index 247bf66..f34643e 100644
--- a/game/vehicles/railVehicle.h
+++ b/game/vehicles/railVehicle.h
@@ -8,12 +8,10 @@
#include <memory>
#include <utility>
-class SceneShader;
-class ShadowMapper;
class Ray;
-
class Train;
-class RailVehicle : Selectable {
+
+class RailVehicle : Selectable, RailVehicleClass::Instance {
public:
explicit RailVehicle(RailVehicleClassPtr rvc);
@@ -22,7 +20,9 @@ public:
[[nodiscard]] bool intersectRay(const Ray &, glm::vec2 *, float *) const override;
RailVehicleClassPtr rvClass;
- BufferedLocation location;
- std::array<BufferedLocation, 2> bogies;
+ using LV = RailVehicleClass::LocationVertex;
+ using BLocation = BufferedLocationT<glm::mat4 LV::*, RailVehicleClass::Instance &>;
+ BLocation location;
+ std::array<BLocation, 2> bogies;
};
using RailVehiclePtr = std::unique_ptr<RailVehicle>;
diff --git a/game/vehicles/railVehicleClass.cpp b/game/vehicles/railVehicleClass.cpp
index 148081f..324148c 100644
--- a/game/vehicles/railVehicleClass.cpp
+++ b/game/vehicles/railVehicleClass.cpp
@@ -4,6 +4,7 @@
#include "gfx/gl/vertexArrayObject.h"
#include "gfx/models/mesh.h"
#include "gfx/models/texture.h"
+#include "stream_support.h"
#include <algorithm>
#include <array>
#include <cache.h>
@@ -34,36 +35,36 @@ void
RailVehicleClass::postLoad()
{
texture = getTexture();
- bodyMesh->configureVAO(instanceVAO).addAttribs<glm::mat4>(instancesBody.bufferName(), 1);
+ bodyMesh->configureVAO(instanceVAO).addAttribs<LocationVertex, &LocationVertex::body>(instances.bufferName(), 1);
bogies.front()
->configureVAO(instancesBogiesVAO.front())
- .addAttribs<glm::mat4>(instancesBogies.front().bufferName(), 1);
+ .addAttribs<LocationVertex, &LocationVertex::front>(instances.bufferName(), 1);
bogies.back()
->configureVAO(instancesBogiesVAO.back())
- .addAttribs<glm::mat4>(instancesBogies.back().bufferName(), 1);
+ .addAttribs<LocationVertex, &LocationVertex::back>(instances.bufferName(), 1);
}
void
RailVehicleClass::render(const SceneShader & shader) const
{
- if (const auto count = instancesBody.size()) {
+ if (const auto count = static_cast<GLsizei>(instances.size())) {
if (texture) {
texture->bind();
}
shader.basicInst.use();
- bodyMesh->DrawInstanced(instanceVAO, static_cast<GLsizei>(count));
- bogies.front()->DrawInstanced(instancesBogiesVAO.front(), static_cast<GLsizei>(instancesBogies.front().size()));
- bogies.back()->DrawInstanced(instancesBogiesVAO.back(), static_cast<GLsizei>(instancesBogies.back().size()));
+ bodyMesh->DrawInstanced(instanceVAO, count);
+ bogies.front()->DrawInstanced(instancesBogiesVAO.front(), count);
+ bogies.back()->DrawInstanced(instancesBogiesVAO.back(), count);
}
}
void
RailVehicleClass::shadows(const ShadowMapper & mapper) const
{
- if (const auto count = instancesBody.size()) {
+ if (const auto count = static_cast<GLsizei>(instances.size())) {
mapper.dynamicPointInst.use();
- bodyMesh->DrawInstanced(instanceVAO, static_cast<GLsizei>(count));
- bogies.front()->DrawInstanced(instancesBogiesVAO.front(), static_cast<GLsizei>(instancesBogies.front().size()));
- bogies.back()->DrawInstanced(instancesBogiesVAO.back(), static_cast<GLsizei>(instancesBogies.back().size()));
+ bodyMesh->DrawInstanced(instanceVAO, count);
+ bogies.front()->DrawInstanced(instanceVAO, count);
+ bogies.back()->DrawInstanced(instanceVAO, count);
}
}
diff --git a/game/vehicles/railVehicleClass.h b/game/vehicles/railVehicleClass.h
index 2fda8f7..80b3fda 100644
--- a/game/vehicles/railVehicleClass.h
+++ b/game/vehicles/railVehicleClass.h
@@ -18,6 +18,10 @@ public:
void render(const SceneShader & shader) const override;
void shadows(const ShadowMapper & shadowMapper) const override;
+ struct LocationVertex {
+ glm::mat4 body, front, back;
+ };
+
std::array<Mesh::Ptr, 2> bogies;
Mesh::Ptr bodyMesh;
std::shared_ptr<Texture> texture;
@@ -25,8 +29,8 @@ public:
float length;
float maxSpeed;
- mutable InstanceVertices<glm::mat4> instancesBody;
- mutable std::array<InstanceVertices<glm::mat4>, 2> instancesBogies;
+ mutable InstanceVertices<LocationVertex> instances;
+ using Instance = decltype(instances)::InstanceProxy;
protected:
friend Persistence::SelectionPtrBase<std::shared_ptr<RailVehicleClass>>;
diff --git a/gfx/gl/bufferedLocation.cpp b/gfx/gl/bufferedLocation.cpp
index 7027b4c..eb3dac3 100644
--- a/gfx/gl/bufferedLocation.cpp
+++ b/gfx/gl/bufferedLocation.cpp
@@ -3,15 +3,9 @@
#include "maths.h"
#include <glm/gtx/transform.hpp>
-BufferedLocation::BufferedLocation(InstanceVertices<glm::mat4> & i, glm::vec3 p, glm::vec3 r) :
- BufferedLocation {i, Location {p, r}}
-{
-}
+BufferedLocation::BufferedLocation(glm::vec3 p, glm::vec3 r) : BufferedLocation {Location {p, r}} { }
-BufferedLocation::BufferedLocation(InstanceVertices<glm::mat4> & i, const Location & l) :
- loc {l}, buffer {i.acquire(getTransform())}
-{
-}
+BufferedLocation::BufferedLocation(const Location & l) : loc {l} { }
BufferedLocation::operator const Location &() const
{
@@ -64,12 +58,6 @@ BufferedLocation::setLocation(glm::vec3 p, glm::vec3 r)
updateBuffer();
}
-void
-BufferedLocation::updateBuffer()
-{
- buffer = getTransform();
-}
-
glm::mat4
BufferedLocation::getTransform() const
{
diff --git a/gfx/gl/bufferedLocation.h b/gfx/gl/bufferedLocation.h
index 6d148cd..8096489 100644
--- a/gfx/gl/bufferedLocation.h
+++ b/gfx/gl/bufferedLocation.h
@@ -1,14 +1,16 @@
#pragma once
-#include "instanceVertices.h"
#include "location.h"
+#include <functional>
#include <glm/mat4x4.hpp>
#include <glm/vec3.hpp>
+#include <tuple>
class BufferedLocation {
public:
- BufferedLocation(InstanceVertices<glm::mat4> &, glm::vec3 = {}, glm::vec3 = {});
- BufferedLocation(InstanceVertices<glm::mat4> &, const Location &);
+ BufferedLocation(glm::vec3 = {}, glm::vec3 = {});
+ BufferedLocation(const Location &);
+ virtual ~BufferedLocation() = default;
BufferedLocation & operator=(const Location &);
@@ -23,8 +25,28 @@ public:
glm::mat4 getTransform() const;
private:
- void updateBuffer();
+ virtual void updateBuffer() = 0;
Location loc;
- InstanceVertices<glm::mat4>::InstanceProxy buffer;
+};
+
+template<typename... Target> class BufferedLocationT : public BufferedLocation {
+public:
+ template<typename... LocationArgs>
+ BufferedLocationT(Target &&... target, LocationArgs &&... t) :
+ BufferedLocation {std::forward<LocationArgs>(t)...}, target {std::forward<Target>(target)...}
+ {
+ updateBuffer();
+ }
+
+ using BufferedLocation::operator=;
+
+private:
+ void
+ updateBuffer() override
+ {
+ std::apply(std::invoke<const Target &...>, target) = getTransform();
+ }
+
+ std::tuple<Target...> target;
};
diff --git a/test/test-render.cpp b/test/test-render.cpp
index 4bfcad2..0d384a3 100644
--- a/test/test-render.cpp
+++ b/test/test-render.cpp
@@ -21,9 +21,9 @@
#include <ui/window.h>
class TestScene : public SceneProvider {
- std::shared_ptr<RailVehicle> train1, train2;
const RailVehicleClassPtr brush47rvc = std::dynamic_pointer_cast<RailVehicleClass>(
AssetFactory::loadXML(RESDIR "/brush47.xml")->assets.at("brush-47"));
+ std::shared_ptr<RailVehicle> train1, train2;
Terrain terrain {[]() {
auto gd = std::make_shared<GeoData>(GeoData::Limits {{0, 0}, {100, 100}});