mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-30 22:30:06 +00:00
304 lines
8 KiB
C++
304 lines
8 KiB
C++
#include <scwx/qt/gl/draw/rectangle.hpp>
|
|
#include <scwx/util/logger.hpp>
|
|
|
|
#include <optional>
|
|
|
|
namespace scwx
|
|
{
|
|
namespace qt
|
|
{
|
|
namespace gl
|
|
{
|
|
namespace draw
|
|
{
|
|
|
|
static const std::string logPrefix_ = "scwx::qt::gl::draw::rectangle";
|
|
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
|
|
|
|
static constexpr size_t NUM_RECTANGLES = 5;
|
|
static constexpr size_t NUM_TRIANGLES = NUM_RECTANGLES * 2;
|
|
static constexpr size_t VERTICES_PER_TRIANGLE = 3;
|
|
static constexpr size_t VERTICES_PER_RECTANGLE = VERTICES_PER_TRIANGLE * 2;
|
|
static constexpr size_t POINTS_PER_VERTEX = 7;
|
|
static constexpr size_t BUFFER_LENGTH =
|
|
NUM_TRIANGLES * VERTICES_PER_TRIANGLE * POINTS_PER_VERTEX;
|
|
|
|
class Rectangle::Impl
|
|
{
|
|
public:
|
|
explicit Impl(std::shared_ptr<GlContext> context) :
|
|
context_ {context},
|
|
dirty_ {false},
|
|
visible_ {true},
|
|
x_ {0.0f},
|
|
y_ {0.0f},
|
|
z_ {0.0f},
|
|
width_ {0.0f},
|
|
height_ {0.0f},
|
|
borderWidth_ {0.0f},
|
|
borderColor_ {0, 0, 0, 0},
|
|
fillColor_ {std::nullopt},
|
|
shaderProgram_ {nullptr},
|
|
uMVPMatrixLocation_(GL_INVALID_INDEX),
|
|
vao_ {GL_INVALID_INDEX},
|
|
vbo_ {GL_INVALID_INDEX}
|
|
{
|
|
}
|
|
|
|
~Impl() {}
|
|
|
|
std::shared_ptr<GlContext> context_;
|
|
|
|
bool dirty_;
|
|
|
|
bool visible_;
|
|
float x_;
|
|
float y_;
|
|
float z_;
|
|
float width_;
|
|
float height_;
|
|
|
|
float borderWidth_;
|
|
boost::gil::rgba8_pixel_t borderColor_;
|
|
|
|
std::optional<boost::gil::rgba8_pixel_t> fillColor_;
|
|
|
|
std::shared_ptr<ShaderProgram> shaderProgram_;
|
|
GLint uMVPMatrixLocation_;
|
|
|
|
GLuint vao_;
|
|
GLuint vbo_;
|
|
|
|
void Update();
|
|
};
|
|
|
|
Rectangle::Rectangle(std::shared_ptr<GlContext> context) :
|
|
DrawItem(context->gl()), p(std::make_unique<Impl>(context))
|
|
{
|
|
}
|
|
Rectangle::~Rectangle() = default;
|
|
|
|
Rectangle::Rectangle(Rectangle&&) noexcept = default;
|
|
Rectangle& Rectangle::operator=(Rectangle&&) noexcept = default;
|
|
|
|
void Rectangle::Initialize()
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
p->shaderProgram_ =
|
|
p->context_->GetShaderProgram(":/gl/color.vert", ":/gl/color.frag");
|
|
|
|
p->uMVPMatrixLocation_ =
|
|
gl.glGetUniformLocation(p->shaderProgram_->id(), "uMVPMatrix");
|
|
if (p->uMVPMatrixLocation_ == -1)
|
|
{
|
|
logger_->warn("Could not find uMVPMatrix");
|
|
}
|
|
|
|
gl.glGenVertexArrays(1, &p->vao_);
|
|
gl.glGenBuffers(1, &p->vbo_);
|
|
|
|
gl.glBindVertexArray(p->vao_);
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
|
|
gl.glBufferData(
|
|
GL_ARRAY_BUFFER, sizeof(float) * BUFFER_LENGTH, nullptr, GL_DYNAMIC_DRAW);
|
|
|
|
gl.glVertexAttribPointer(0,
|
|
3,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
POINTS_PER_VERTEX * sizeof(float),
|
|
static_cast<void*>(0));
|
|
gl.glEnableVertexAttribArray(0);
|
|
|
|
gl.glVertexAttribPointer(1,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
POINTS_PER_VERTEX * sizeof(float),
|
|
reinterpret_cast<void*>(3 * sizeof(float)));
|
|
gl.glEnableVertexAttribArray(1);
|
|
|
|
p->dirty_ = true;
|
|
}
|
|
|
|
void Rectangle::Render(const QMapLibre::CustomLayerRenderParameters& params)
|
|
{
|
|
if (p->visible_)
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
gl.glBindVertexArray(p->vao_);
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
|
|
|
|
p->Update();
|
|
p->shaderProgram_->Use();
|
|
UseDefaultProjection(params, p->uMVPMatrixLocation_);
|
|
|
|
if (p->fillColor_.has_value())
|
|
{
|
|
// Draw fill
|
|
gl.glDrawArrays(GL_TRIANGLES, 24, 6);
|
|
}
|
|
|
|
if (p->borderWidth_ > 0.0f)
|
|
{
|
|
// Draw border
|
|
gl.glDrawArrays(GL_TRIANGLES, 0, 24);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Rectangle::Deinitialize()
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
gl.glDeleteVertexArrays(1, &p->vao_);
|
|
gl.glDeleteBuffers(1, &p->vbo_);
|
|
}
|
|
|
|
void Rectangle::SetBorder(float width, boost::gil::rgba8_pixel_t color)
|
|
{
|
|
if (p->borderWidth_ != width || p->borderColor_ != color)
|
|
{
|
|
p->borderWidth_ = width;
|
|
p->borderColor_ = color;
|
|
p->dirty_ = true;
|
|
}
|
|
}
|
|
|
|
void Rectangle::SetFill(boost::gil::rgba8_pixel_t color)
|
|
{
|
|
if (p->fillColor_ != color)
|
|
{
|
|
p->fillColor_ = color;
|
|
p->dirty_ = true;
|
|
}
|
|
}
|
|
|
|
void Rectangle::SetPosition(float x, float y, float z)
|
|
{
|
|
if (p->x_ != x || p->y_ != y || p->z_ != z)
|
|
{
|
|
p->x_ = x;
|
|
p->y_ = y;
|
|
p->z_ = z;
|
|
p->dirty_ = true;
|
|
}
|
|
}
|
|
|
|
void Rectangle::SetSize(float width, float height)
|
|
{
|
|
if (p->width_ != width || p->height_ != height)
|
|
{
|
|
p->width_ = width;
|
|
p->height_ = height;
|
|
p->dirty_ = true;
|
|
}
|
|
}
|
|
|
|
void Rectangle::SetVisible(bool visible)
|
|
{
|
|
p->visible_ = visible;
|
|
}
|
|
|
|
void Rectangle::Impl::Update()
|
|
{
|
|
if (dirty_)
|
|
{
|
|
gl::OpenGLFunctions& gl = context_->gl();
|
|
|
|
const float lox = x_;
|
|
const float rox = x_ + width_;
|
|
const float boy = y_;
|
|
const float toy = y_ + height_;
|
|
|
|
const float lix = lox + borderWidth_;
|
|
const float rix = rox - borderWidth_;
|
|
|
|
const float biy = boy + borderWidth_;
|
|
const float tiy = toy - borderWidth_;
|
|
|
|
const float bc0 = borderColor_[0] / 255.0f;
|
|
const float bc1 = borderColor_[1] / 255.0f;
|
|
const float bc2 = borderColor_[2] / 255.0f;
|
|
const float bc3 = borderColor_[3] / 255.0f;
|
|
|
|
float fc0 = 0.0f;
|
|
float fc1 = 0.0f;
|
|
float fc2 = 0.0f;
|
|
float fc3 = 0.0f;
|
|
|
|
if (fillColor_.has_value())
|
|
{
|
|
boost::gil::rgba8_pixel_t& fc = fillColor_.value();
|
|
|
|
fc0 = fc[0] / 255.0f;
|
|
fc1 = fc[1] / 255.0f;
|
|
fc2 = fc[2] / 255.0f;
|
|
fc3 = fc[3] / 255.0f;
|
|
}
|
|
|
|
const float buffer[NUM_RECTANGLES][VERTICES_PER_RECTANGLE]
|
|
[POINTS_PER_VERTEX] = //
|
|
{ //
|
|
|
|
// Left Border
|
|
{
|
|
{lox, boy, z_, bc0, bc1, bc2, bc3}, // BL
|
|
{lox, toy, z_, bc0, bc1, bc2, bc3}, // TL
|
|
{lix, boy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{lix, boy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{lix, toy, z_, bc0, bc1, bc2, bc3}, // TR
|
|
{lox, toy, z_, bc0, bc1, bc2, bc3} // TL
|
|
},
|
|
// Right Border
|
|
{
|
|
{rox, boy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{rox, toy, z_, bc0, bc1, bc2, bc3}, // TR
|
|
{rix, boy, z_, bc0, bc1, bc2, bc3}, // BL
|
|
{rix, boy, z_, bc0, bc1, bc2, bc3}, // BL
|
|
{rix, toy, z_, bc0, bc1, bc2, bc3}, // TL
|
|
{rox, toy, z_, bc0, bc1, bc2, bc3} // TR
|
|
},
|
|
// Top Border
|
|
{
|
|
{lox, toy, z_, bc0, bc1, bc2, bc3}, // TL
|
|
{rox, toy, z_, bc0, bc1, bc2, bc3}, // TR
|
|
{rox, tiy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{rox, tiy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{lox, tiy, z_, bc0, bc1, bc2, bc3}, // BL
|
|
{lox, toy, z_, bc0, bc1, bc2, bc3} // TL
|
|
},
|
|
// Bottom Border
|
|
{
|
|
{lox, boy, z_, bc0, bc1, bc2, bc3}, // BL
|
|
{rox, boy, z_, bc0, bc1, bc2, bc3}, // BR
|
|
{rox, biy, z_, bc0, bc1, bc2, bc3}, // TR
|
|
{rox, biy, z_, bc0, bc1, bc2, bc3}, // TR
|
|
{lox, biy, z_, bc0, bc1, bc2, bc3}, // TL
|
|
{lox, boy, z_, bc0, bc1, bc2, bc3} // BL
|
|
},
|
|
// Fill
|
|
{
|
|
{lox, toy, z_, fc0, fc1, fc2, fc3}, // TL
|
|
{rox, toy, z_, fc0, fc1, fc2, fc3}, // TR
|
|
{rox, boy, z_, fc0, fc1, fc2, fc3}, // BR
|
|
{rox, boy, z_, fc0, fc1, fc2, fc3}, // BR
|
|
{lox, boy, z_, fc0, fc1, fc2, fc3}, // BL
|
|
{lox, toy, z_, fc0, fc1, fc2, fc3} // TL
|
|
}};
|
|
|
|
gl.glBufferData(GL_ARRAY_BUFFER,
|
|
sizeof(float) * BUFFER_LENGTH,
|
|
buffer,
|
|
GL_DYNAMIC_DRAW);
|
|
|
|
dirty_ = false;
|
|
}
|
|
}
|
|
|
|
} // namespace draw
|
|
} // namespace gl
|
|
} // namespace qt
|
|
} // namespace scwx
|