81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
#include "pch.h"
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#include <cstdint>
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#include "log.h"
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#include "legacy_ui_gl_dispatch.h"
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#include "node_viewport.h"
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#include "shader.h"
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#include "app.h"
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void NodeViewport::draw()
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{
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glm::mat4 cam = glm::lookAt(glm::vec3(sinf(angle) * 10, 0, -10), glm::vec3(0, 0, 0), glm::vec3(0, -1, 0));
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glm::mat4 proj = glm::perspective<float>(glm::radians(45.f), m_clip.z / m_clip.w, .1f, 100);
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const auto vp = pp::legacy::ui_gl::query_viewport("NodeViewport");
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const auto cc = pp::legacy::ui_gl::query_clear_color("NodeViewport");
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pp::legacy::ui_gl::clear_color_buffer({ 1.f, 0.f, 0.f, 1.f }, "NodeViewport");
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auto box = m_clip * root()->m_zoom;
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glm::ivec4 c = (glm::ivec4)glm::vec4(box.x, (int)(vp[3] - box.y - box.w), box.z, box.w);
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pp::legacy::ui_gl::apply_viewport(
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static_cast<std::int32_t>(c.x + App::I->off_x),
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static_cast<std::int32_t>(c.y + App::I->off_y),
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c.z,
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c.w,
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"NodeViewport");
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TextureManager::get(m_tex_id).bind();
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m_sampler->bind(0);
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pp::legacy::ui_gl::set_blend_enabled(true, "NodeViewport");
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ShaderManager::use(kShader::Texture);
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ShaderManager::u_int(kShaderUniform::Tex, 0);
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ShaderManager::u_mat4(kShaderUniform::MVP, proj * cam);
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m_faces->draw_fill();
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m_sampler->unbind();
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TextureManager::get(m_tex_id).unbind();
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pp::legacy::ui_gl::set_blend_enabled(false, "NodeViewport");
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pp::legacy::ui_gl::apply_viewport(vp[0], vp[1], vp[2], vp[3], "NodeViewport");
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pp::legacy::ui_gl::set_clear_color(cc, "NodeViewport");
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}
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Node* NodeViewport::clone_instantiate() const
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{
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return new NodeViewport;
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}
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void NodeViewport::create()
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{
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Node::create();
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m_faces = std::make_unique<Plane>();
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m_faces->create<1>(10, 10);
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m_sampler = std::make_unique<Sampler>();
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m_sampler->create();
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TextureManager::load("data/uvs.jpg");
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m_tex_id = const_hash("data/uvs.jpg");
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}
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kEventResult NodeViewport::handle_event(Event* e)
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{
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Node::handle_event(e);
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switch (e->m_type)
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{
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case kEventType::MouseDownL:
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dragging = true;
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drag_end = drag_start = ((MouseEvent*)e)->m_pos;
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angle_old = angle;
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break;
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case kEventType::MouseUpL:
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dragging = false;
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break;
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case kEventType::MouseMove:
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if (dragging)
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{
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drag_end = ((MouseEvent*)e)->m_pos;
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angle = angle_old + (drag_end - drag_start).x * .01f;
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}
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break;
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default:
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break;
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}
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return kEventResult::Consumed;
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}
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