74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
#include "pch.h"
|
|
#include "log.h"
|
|
#include "node_viewport.h"
|
|
#include "shader.h"
|
|
|
|
void NodeViewport::draw()
|
|
{
|
|
using namespace ui;
|
|
glm::mat4 cam = glm::lookAt(glm::vec3(sinf(angle) * 10, 0, -10), glm::vec3(0, 0, 0), glm::vec3(0, -1, 0));
|
|
glm::mat4 proj = glm::perspective<float>(glm::radians(45.f), m_clip.z / m_clip.w, .1f, 100);
|
|
|
|
GLint vp[4];
|
|
GLfloat cc[4];
|
|
glGetIntegerv(GL_VIEWPORT, vp);
|
|
glGetFloatv(GL_COLOR_CLEAR_VALUE, cc);
|
|
|
|
glClearColor(1, 0, 0, 1);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
auto box = m_clip * root()->m_zoom;
|
|
glm::ivec4 c = (glm::ivec4)glm::vec4(box.x, (int)(vp[3] - box.y - box.w), box.z, box.w);
|
|
glViewport(c.x, c.y, c.z, c.w);
|
|
TextureManager::get(m_tex_id).bind();
|
|
m_sampler->bind(0);
|
|
glEnable(GL_BLEND);
|
|
ui::ShaderManager::use(kShader::Texture);
|
|
ui::ShaderManager::u_int(kShaderUniform::Tex, 0);
|
|
ui::ShaderManager::u_mat4(kShaderUniform::MVP, proj * cam);
|
|
m_faces->draw_fill();
|
|
m_sampler->unbind();
|
|
TextureManager::get(m_tex_id).unbind();
|
|
glDisable(GL_BLEND);
|
|
|
|
glViewport(vp[0], vp[1], vp[2], vp[3]);
|
|
glClearColor(cc[0], cc[1], cc[2], cc[3]);
|
|
}
|
|
Node* NodeViewport::clone_instantiate() const
|
|
{
|
|
return new NodeViewport;
|
|
}
|
|
void NodeViewport::create()
|
|
{
|
|
m_faces = std::make_unique<ui::Plane>();
|
|
m_faces->create<1>(10, 10);
|
|
m_sampler = std::make_unique<Sampler>();
|
|
m_sampler->create();
|
|
TextureManager::load("data/uvs.jpg");
|
|
m_tex_id = const_hash("data/uvs.jpg");
|
|
}
|
|
kEventResult NodeViewport::handle_event(Event* e)
|
|
{
|
|
Node::handle_event(e);
|
|
switch (e->m_type)
|
|
{
|
|
case kEventType::MouseDownL:
|
|
dragging = true;
|
|
drag_end = drag_start = ((MouseEvent*)e)->m_pos;
|
|
angle_old = angle;
|
|
break;
|
|
case kEventType::MouseUpL:
|
|
dragging = false;
|
|
break;
|
|
case kEventType::MouseMove:
|
|
if (dragging)
|
|
{
|
|
drag_end = ((MouseEvent*)e)->m_pos;
|
|
angle = angle_old + (drag_end - drag_start).x * .01f;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return kEventResult::Consumed;
|
|
}
|