mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-01 09:10:18 -06:00
304 lines
11 KiB
C++
304 lines
11 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2023 *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
|
* software and associated documentation files (the "Software"), to deal in the Software *
|
|
* without restriction, including without limitation the rights to use, copy, modify, *
|
|
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
|
* permit persons to whom the Software is furnished to do so, subject to the following *
|
|
* conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included in all copies *
|
|
* or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
|
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
|
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
|
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
|
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
****************************************************************************************/
|
|
|
|
#include <modules/base/rendering/grids/renderableboxgrid.h>
|
|
|
|
#include <modules/base/basemodule.h>
|
|
#include <openspace/engine/globals.h>
|
|
#include <openspace/engine/openspaceengine.h>
|
|
#include <openspace/rendering/renderengine.h>
|
|
#include <openspace/util/updatestructures.h>
|
|
#include <openspace/documentation/verifier.h>
|
|
#include <ghoul/glm.h>
|
|
#include <ghoul/filesystem/filesystem.h>
|
|
#include <ghoul/opengl/openglstatecache.h>
|
|
#include <ghoul/opengl/programobject.h>
|
|
|
|
namespace {
|
|
constexpr openspace::properties::Property::PropertyInfo ColorInfo = {
|
|
"Color",
|
|
"Color",
|
|
"This value determines the color of the grid lines that are rendered"
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo LineWidthInfo = {
|
|
"LineWidth",
|
|
"Line Width",
|
|
"This value specifies the line width of the spherical grid"
|
|
};
|
|
|
|
constexpr openspace::properties::Property::PropertyInfo SizeInfo = {
|
|
"Size",
|
|
"Grid Size",
|
|
"This value species the size of each dimensions of the box"
|
|
};
|
|
|
|
static const openspace::properties::PropertyOwner::PropertyOwnerInfo LabelsInfo = {
|
|
"Labels",
|
|
"Labels",
|
|
"The labels for the grid"
|
|
};
|
|
|
|
struct [[codegen::Dictionary(RenderableBoxGrid)]] Parameters {
|
|
// [[codegen::verbatim(ColorInfo.description)]]
|
|
std::optional<glm::vec3> color [[codegen::color()]];
|
|
|
|
// [[codegen::verbatim(LineWidthInfo.description)]]
|
|
std::optional<float> lineWidth;
|
|
|
|
// [[codegen::verbatim(SizeInfo.description)]]
|
|
std::optional<glm::vec3> size;
|
|
|
|
// [[codegen::verbatim(LabelsInfo.description)]]
|
|
std::optional<ghoul::Dictionary> labels
|
|
[[codegen::reference("space_labelscomponent")]];
|
|
};
|
|
#include "renderableboxgrid_codegen.cpp"
|
|
} // namespace
|
|
|
|
namespace openspace {
|
|
|
|
documentation::Documentation RenderableBoxGrid::Documentation() {
|
|
return codegen::doc<Parameters>("base_renderable_boxgrid");
|
|
}
|
|
|
|
RenderableBoxGrid::RenderableBoxGrid(const ghoul::Dictionary& dictionary)
|
|
: Renderable(dictionary)
|
|
, _color(ColorInfo, glm::vec3(0.5f), glm::vec3(0.f), glm::vec3(1.f))
|
|
, _lineWidth(LineWidthInfo, 0.5f, 1.f, 20.f)
|
|
, _size(SizeInfo, glm::vec3(1.f), glm::vec3(1.f), glm::vec3(100.f))
|
|
{
|
|
const Parameters p = codegen::bake<Parameters>(dictionary);
|
|
|
|
addProperty(Fadeable::_opacity);
|
|
|
|
_color = p.color.value_or(_color);
|
|
_color.setViewOption(properties::Property::ViewOptions::Color);
|
|
addProperty(_color);
|
|
|
|
_lineWidth = p.lineWidth.value_or(_lineWidth);
|
|
addProperty(_lineWidth);
|
|
|
|
_size = p.size.value_or(_size);
|
|
_size.onChange([this]() { _gridIsDirty = true; });
|
|
addProperty(_size);
|
|
|
|
if (p.labels.has_value()) {
|
|
_labels = std::make_unique<LabelsComponent>(*p.labels);
|
|
_hasLabels = true;
|
|
addPropertySubOwner(_labels.get());
|
|
// Fading of the labels should also depend on the fading of the renderable
|
|
_labels->setParentFadeable(this);
|
|
}
|
|
}
|
|
|
|
bool RenderableBoxGrid::isReady() const {
|
|
return _hasLabels ? _gridProgram && _labels->isReady() : _gridProgram != nullptr;
|
|
}
|
|
|
|
void RenderableBoxGrid::initialize() {
|
|
if (_hasLabels) {
|
|
_labels->initialize();
|
|
_labels->loadLabels();
|
|
}
|
|
}
|
|
|
|
void RenderableBoxGrid::initializeGL() {
|
|
_gridProgram = BaseModule::ProgramObjectManager.request(
|
|
"GridProgram",
|
|
[]() -> std::unique_ptr<ghoul::opengl::ProgramObject> {
|
|
return global::renderEngine->buildRenderProgram(
|
|
"GridProgram",
|
|
absPath("${MODULE_BASE}/shaders/grid_vs.glsl"),
|
|
absPath("${MODULE_BASE}/shaders/grid_fs.glsl")
|
|
);
|
|
}
|
|
);
|
|
|
|
glGenVertexArrays(1, &_vaoID);
|
|
glGenBuffers(1, &_vBufferID);
|
|
|
|
glBindVertexArray(_vaoID);
|
|
glBindBuffer(GL_ARRAY_BUFFER, _vBufferID);
|
|
glEnableVertexAttribArray(0);
|
|
glBindVertexArray(0);
|
|
}
|
|
|
|
void RenderableBoxGrid::deinitializeGL() {
|
|
glDeleteVertexArrays(1, &_vaoID);
|
|
_vaoID = 0;
|
|
|
|
glDeleteBuffers(1, &_vBufferID);
|
|
_vBufferID = 0;
|
|
|
|
BaseModule::ProgramObjectManager.release(
|
|
"GridProgram",
|
|
[](ghoul::opengl::ProgramObject* p) {
|
|
global::renderEngine->removeRenderProgram(p);
|
|
}
|
|
);
|
|
_gridProgram = nullptr;
|
|
}
|
|
|
|
void RenderableBoxGrid::render(const RenderData& data, RendererTasks&){
|
|
_gridProgram->activate();
|
|
|
|
glm::dmat4 modelTransform =
|
|
glm::translate(glm::dmat4(1.0), data.modelTransform.translation) * // Translation
|
|
glm::dmat4(data.modelTransform.rotation) * // Spice rotation
|
|
glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale));
|
|
|
|
glm::dmat4 modelViewTransform = data.camera.combinedViewMatrix() * modelTransform;
|
|
const glm::dmat4 projectionMatrix = data.camera.projectionMatrix();
|
|
|
|
const glm::dmat4 modelViewProjectionMatrix = projectionMatrix * modelViewTransform;
|
|
|
|
_gridProgram->setUniform("modelViewTransform", modelViewTransform);
|
|
_gridProgram->setUniform("MVPTransform", modelViewProjectionMatrix);
|
|
_gridProgram->setUniform("opacity", opacity());
|
|
_gridProgram->setUniform("gridColor", _color);
|
|
|
|
// Change GL state:
|
|
#ifndef __APPLE__
|
|
glLineWidth(_lineWidth);
|
|
#else
|
|
glLineWidth(1.f);
|
|
#endif
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glEnablei(GL_BLEND, 0);
|
|
glEnable(GL_LINE_SMOOTH);
|
|
glDepthMask(false);
|
|
|
|
glBindVertexArray(_vaoID);
|
|
glDrawArrays(_mode, 0, static_cast<GLsizei>(_varray.size()));
|
|
glBindVertexArray(0);
|
|
|
|
_gridProgram->deactivate();
|
|
|
|
// Restore GL State
|
|
global::renderEngine->openglStateCache().resetBlendState();
|
|
global::renderEngine->openglStateCache().resetLineState();
|
|
global::renderEngine->openglStateCache().resetDepthState();
|
|
|
|
// Draw labels
|
|
if (_hasLabels && _labels->enabled()) {
|
|
const glm::vec3 lookup = data.camera.lookUpVectorWorldSpace();
|
|
const glm::vec3 viewDirection = data.camera.viewDirectionWorldSpace();
|
|
glm::vec3 right = glm::cross(viewDirection, lookup);
|
|
const glm::vec3 up = glm::cross(right, viewDirection);
|
|
|
|
const glm::dmat4 worldToModelTransform = glm::inverse(modelTransform);
|
|
glm::vec3 orthoRight = glm::normalize(
|
|
glm::vec3(worldToModelTransform * glm::vec4(right, 0.0))
|
|
);
|
|
|
|
if (orthoRight == glm::vec3(0.0)) {
|
|
glm::vec3 otherVector = glm::vec3(lookup.y, lookup.x, lookup.z);
|
|
right = glm::cross(viewDirection, otherVector);
|
|
orthoRight = glm::normalize(
|
|
glm::vec3(worldToModelTransform * glm::vec4(right, 0.0))
|
|
);
|
|
}
|
|
const glm::vec3 orthoUp = glm::normalize(
|
|
glm::vec3(worldToModelTransform * glm::dvec4(up, 0.0))
|
|
);
|
|
_labels->render(data, modelViewProjectionMatrix, orthoRight, orthoUp);
|
|
}
|
|
}
|
|
|
|
void RenderableBoxGrid::update(const UpdateData&) {
|
|
if (_gridIsDirty) {
|
|
const glm::vec3 llf = -_size.value() / 2.f;
|
|
const glm::vec3 urb = _size.value() / 2.f;
|
|
|
|
// 7
|
|
// -------------------- 6
|
|
// / /
|
|
// /| /|
|
|
// 4 / | / |
|
|
// x-------------------x |
|
|
// | | |5 |
|
|
// | | | |
|
|
// | | | |
|
|
// | 3/----------------|--/ 2
|
|
// | / | /
|
|
// |/ |/
|
|
// x-------------------x
|
|
// 0 1
|
|
//
|
|
//
|
|
// For Line strip:
|
|
// 0 -> 1 -> 2 -> 3 -> 0 -> 4 -> 5 -> 6 -> 7 -> 4 -> 5(d) -> 1 -> 2(d) -> 6
|
|
// -> 7(d) -> 3
|
|
|
|
const glm::vec3 v0 = glm::vec3(llf.x, llf.y, llf.z);
|
|
const glm::vec3 v1 = glm::vec3(urb.x, llf.y, llf.z);
|
|
const glm::vec3 v2 = glm::vec3(urb.x, urb.y, llf.z);
|
|
const glm::vec3 v3 = glm::vec3(llf.x, urb.y, llf.z);
|
|
const glm::vec3 v4 = glm::vec3(llf.x, llf.y, urb.z);
|
|
const glm::vec3 v5 = glm::vec3(urb.x, llf.y, urb.z);
|
|
const glm::vec3 v6 = glm::vec3(urb.x, urb.y, urb.z);
|
|
const glm::vec3 v7 = glm::vec3(llf.x, urb.y, urb.z);
|
|
|
|
_varray.clear();
|
|
_varray.reserve(16);
|
|
|
|
// First add the bounds
|
|
_varray.push_back({ v0.x, v0.y, v0.z });
|
|
_varray.push_back({ v1.x, v1.y, v1.z });
|
|
_varray.push_back({ v2.x, v2.y, v2.z });
|
|
_varray.push_back({ v3.x, v3.y, v3.z });
|
|
_varray.push_back({ v0.x, v0.y, v0.z });
|
|
_varray.push_back({ v4.x, v4.y, v4.z });
|
|
_varray.push_back({ v5.x, v5.y, v5.z });
|
|
_varray.push_back({ v6.x, v6.y, v6.z });
|
|
_varray.push_back({ v7.x, v7.y, v7.z });
|
|
_varray.push_back({ v4.x, v4.y, v4.z });
|
|
_varray.push_back({ v5.x, v5.y, v5.z });
|
|
_varray.push_back({ v1.x, v1.y, v1.z });
|
|
_varray.push_back({ v2.x, v2.y, v2.z });
|
|
_varray.push_back({ v6.x, v6.y, v6.z });
|
|
_varray.push_back({ v7.x, v7.y, v7.z });
|
|
_varray.push_back({ v3.x, v3.y, v3.z });
|
|
|
|
setBoundingSphere(glm::length(glm::dvec3(urb)));
|
|
|
|
glBindVertexArray(_vaoID);
|
|
glBindBuffer(GL_ARRAY_BUFFER, _vBufferID);
|
|
glBufferData(
|
|
GL_ARRAY_BUFFER,
|
|
_varray.size() * sizeof(Vertex),
|
|
_varray.data(),
|
|
GL_STATIC_DRAW
|
|
);
|
|
|
|
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), nullptr);
|
|
glBindVertexArray(0);
|
|
|
|
_gridIsDirty = false;
|
|
}
|
|
}
|
|
|
|
} // namespace openspace
|