379 lines
11 KiB
C++
379 lines
11 KiB
C++
#include "pch.h"
|
|
#include "log.h"
|
|
#include "canvas_modes.h"
|
|
#include "layout.h"
|
|
#include "canvas.h"
|
|
#include "shader.h"
|
|
#include "node_canvas.h"
|
|
|
|
NodeCanvas* CanvasMode::node;
|
|
ui::Canvas* CanvasMode::canvas;
|
|
|
|
void CanvasModeBasicCamera::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownL:
|
|
break;
|
|
case kEventType::MouseUpL:
|
|
break;
|
|
case kEventType::MouseDownR:
|
|
m_draggingR = true;
|
|
m_dragR_start = me->m_pos;
|
|
m_pan_start = canvas->m_pan;
|
|
node->mouse_capture();
|
|
break;
|
|
case kEventType::MouseUpR:
|
|
m_draggingR = false;
|
|
node->mouse_release();
|
|
break;
|
|
case kEventType::MouseMove:
|
|
if (m_draggingR)
|
|
canvas->m_pan = m_pan_start + (me->m_pos - m_dragR_start) * glm::vec2(-1, -1);
|
|
canvas->m_cam_rot = canvas->m_pan * 0.003f;
|
|
break;
|
|
case kEventType::MouseScroll:
|
|
m_zoom_canvas += me->m_scroll_delta * 0.1f;
|
|
canvas->m_cam_fov -= me->m_scroll_delta * 20.1f;
|
|
break;
|
|
case kEventType::MouseCancel:
|
|
m_draggingR = false;
|
|
node->mouse_release();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CanvasModeBasicCamera::on_GestureEvent(GestureEvent* ge)
|
|
{
|
|
switch (ge->m_type)
|
|
{
|
|
case kEventType::GestureStart:
|
|
m_pan_start = canvas->m_pan;
|
|
m_zoom_start = m_zoom_canvas;
|
|
m_camera_fov = canvas->m_cam_fov;
|
|
break;
|
|
case kEventType::GestureMove:
|
|
canvas->m_pan = m_pan_start + ge->m_pos_delta * glm::vec2(-1, -1) * 0.3f;
|
|
canvas->m_cam_fov = m_camera_fov - ge->m_distance_delta * .05f;
|
|
canvas->m_cam_rot = canvas->m_pan * 0.003f;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
void CanvasModePen::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownL:
|
|
canvas->stroke_start(loc, 1.f, node->m_brush);
|
|
m_dragging = true;
|
|
node->mouse_capture();
|
|
break;
|
|
case kEventType::MouseUpL:
|
|
canvas->stroke_end();
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
break;
|
|
case kEventType::MouseMove:
|
|
if (m_dragging)
|
|
canvas->stroke_update(loc, 1.f);
|
|
break;
|
|
case kEventType::MouseCancel:
|
|
canvas->stroke_cancel();
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
void CanvasModeLine::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownL:
|
|
node->mouse_capture();
|
|
m_dragging = true;
|
|
m_drag_start = loc;
|
|
m_drag_pos = loc;
|
|
break;
|
|
case kEventType::MouseUpL:
|
|
node->mouse_release();
|
|
if (m_dragging)
|
|
{
|
|
canvas->stroke_start(m_drag_start, 1.f, node->m_brush);
|
|
canvas->stroke_update(m_drag_pos, 1.f);
|
|
canvas->stroke_end();
|
|
}
|
|
m_dragging = false;
|
|
break;
|
|
case kEventType::MouseMove:
|
|
if (m_dragging)
|
|
m_drag_pos = loc;
|
|
break;
|
|
case kEventType::MouseCancel:
|
|
node->mouse_release();
|
|
m_dragging = false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CanvasModeLine::on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera)
|
|
{
|
|
if (m_dragging)
|
|
{
|
|
ui::ShaderManager::use(ui::kShader::Color);
|
|
ui::ShaderManager::u_mat4(ui::kShaderUniform::MVP, ortho);
|
|
ui::ShaderManager::u_vec4(ui::kShaderUniform::Col, node->m_brush.m_tip_color);
|
|
static glm::vec4 AB[2];
|
|
AB[0] = { m_drag_start, 0, 1 };
|
|
AB[1] = { m_drag_pos, 0, 1 };
|
|
AB[0].y = canvas->m_box.w - AB[0].y - 1; // invert Y
|
|
AB[1].y = canvas->m_box.w - AB[1].y - 1; // invert Y
|
|
m_line.update_vertices(AB);
|
|
m_line.draw_stroke();
|
|
}
|
|
}
|
|
|
|
void CanvasModeLine::init()
|
|
{
|
|
m_line.create();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
void CanvasModeCamera::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownR:
|
|
canvas->m_cam_pos = { 0, 0, 0 };
|
|
break;
|
|
case kEventType::MouseDownL:
|
|
m_dragging = true;
|
|
m_drag_start = me->m_pos;
|
|
m_pos_start = canvas->m_cam_pos.xy;
|
|
node->mouse_capture();
|
|
break;
|
|
case kEventType::MouseUpL:
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
canvas->m_cam_pos = { 0, 0, 0 };
|
|
break;
|
|
case kEventType::MouseMove:
|
|
if (m_dragging)
|
|
canvas->m_cam_pos.xy = m_pos_start + (me->m_pos - m_drag_start) * glm::vec2(1, -1) * 0.001f;
|
|
break;
|
|
case kEventType::MouseCancel:
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
void CanvasModeGrid::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownL:
|
|
{
|
|
node->mouse_capture();
|
|
glm::vec3 ro, rd, hit_o, hit_d;
|
|
if (canvas->point_trace(loc, ro, rd, hit_o, hit_d, m_plane_id))
|
|
{
|
|
m_lines.push_back({ hit_o, hit_d });
|
|
origin = hit_o;
|
|
dir = hit_d;
|
|
m_dragging = true;
|
|
}
|
|
break;
|
|
}
|
|
case kEventType::MouseUpL:
|
|
node->mouse_release();
|
|
m_dragging = false;
|
|
//commit();
|
|
break;
|
|
case kEventType::MouseMove:
|
|
{
|
|
glm::vec3 ro, rd, hit_o, hit_d;
|
|
if (m_dragging && canvas->point_trace_plane(loc, ro, rd, hit_o, hit_d, m_plane_id))
|
|
{
|
|
m_lines.back() = { hit_o, hit_d };
|
|
origin = hit_o;
|
|
dir = hit_d;
|
|
m_dragging = true;
|
|
}
|
|
break;
|
|
}
|
|
case kEventType::MouseCancel:
|
|
if (m_dragging)
|
|
m_lines.pop_back();
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CanvasModeGrid::on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera)
|
|
{
|
|
//if (m_dragging)
|
|
for (auto l : m_lines)
|
|
{
|
|
auto origin = l.o;
|
|
auto dir = l.d;
|
|
ui::ShaderManager::use(ui::kShader::Color);
|
|
ui::ShaderManager::u_mat4(ui::kShaderUniform::MVP, proj * camera);
|
|
ui::ShaderManager::u_vec4(ui::kShaderUniform::Col, {1, 0, 0, 1});
|
|
static glm::vec4 AB[2];
|
|
AB[0] = {origin - dir * 10.f, 1};
|
|
AB[1] = {origin + dir * 10.f, 1 };
|
|
m_line.update_vertices(AB);
|
|
m_line.draw_stroke();
|
|
}
|
|
}
|
|
|
|
void CanvasModeGrid::init()
|
|
{
|
|
m_line.create();
|
|
}
|
|
|
|
void CanvasModeGrid::commit()
|
|
{
|
|
auto drawer = [this](const glm::mat4& camera, const glm::mat4& proj){
|
|
ui::ShaderManager::use(ui::kShader::Color);
|
|
ui::ShaderManager::u_mat4(ui::kShaderUniform::MVP, proj * camera);
|
|
ui::ShaderManager::u_vec4(ui::kShaderUniform::Col, {1, 0, 0, 1});
|
|
static glm::vec4 AB[2];
|
|
AB[0] = {origin - dir * 10.f, 1};
|
|
AB[1] = {origin + dir * 10.f, 1 };
|
|
m_line.update_vertices(AB);
|
|
m_line.draw_stroke();
|
|
};
|
|
canvas->draw_objects(std::bind(drawer, std::placeholders::_1, std::placeholders::_2));
|
|
}
|
|
|
|
void CanvasModeGrid::clear()
|
|
{
|
|
m_lines.clear();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
void CanvasModeFill::init()
|
|
{
|
|
m_shape.create();
|
|
}
|
|
|
|
void CanvasModeFill::leave()
|
|
{
|
|
canvas->draw_objects(std::bind(&CanvasModeFill::on_Draw, this, glm::mat4(), std::placeholders::_1, std::placeholders::_2));
|
|
m_points.clear();
|
|
}
|
|
|
|
void CanvasModeFill::on_MouseEvent(MouseEvent* me, glm::vec2& loc)
|
|
{
|
|
switch (me->m_type)
|
|
{
|
|
case kEventType::MouseDownR:
|
|
{
|
|
auto drawer = [this](const glm::mat4& camera, const glm::mat4& proj) {
|
|
ui::ShaderManager::use(ui::kShader::Color);
|
|
ui::ShaderManager::u_mat4(ui::kShaderUniform::MVP, proj * camera);
|
|
ui::ShaderManager::u_vec4(ui::kShaderUniform::Col, { node->m_brush.m_tip_color.rgb(), node->m_brush.m_tip_opacity });
|
|
m_shape.draw_fill();
|
|
};
|
|
canvas->draw_objects(std::bind(drawer, std::placeholders::_1, std::placeholders::_2));
|
|
m_points.clear();
|
|
break;
|
|
}
|
|
case kEventType::MouseDownL:
|
|
{
|
|
node->mouse_capture();
|
|
m_dragging = true;
|
|
glm::vec3 ro, rd, hit_o, hit_d;
|
|
int plane_id;
|
|
if (canvas->point_trace(loc, ro, rd, hit_o, hit_d, plane_id))
|
|
{
|
|
ui::Shape::vertex_t v;
|
|
v.pos = glm::vec4(hit_o, 1);
|
|
v.uvs = glm::vec2(0);
|
|
if (m_points.size() < 3)
|
|
{
|
|
m_points.push_back(v);
|
|
}
|
|
else
|
|
{
|
|
auto last = m_points.back();
|
|
m_points.push_back(m_points[0]);
|
|
m_points.push_back(last);
|
|
m_points.push_back(v);
|
|
}
|
|
m_shape.update_vertices(m_points.data(), m_points.size());
|
|
}
|
|
break;
|
|
}
|
|
case kEventType::MouseUpL:
|
|
node->mouse_release();
|
|
m_dragging = false;
|
|
break;
|
|
case kEventType::MouseMove:
|
|
{
|
|
glm::vec3 ro, rd, hit_o, hit_d;
|
|
int plane_id;
|
|
if (m_dragging && canvas->point_trace(loc, ro, rd, hit_o, hit_d, plane_id))
|
|
{
|
|
ui::Shape::vertex_t v;
|
|
v.pos = glm::vec4(hit_o, 1);
|
|
v.uvs = glm::vec2(0);
|
|
m_points.back() = v;
|
|
m_shape.update_vertices(m_points.data(), m_points.size());
|
|
}
|
|
break;
|
|
}
|
|
case kEventType::MouseCancel:
|
|
if (m_dragging)
|
|
{
|
|
m_points.pop_back();
|
|
m_shape.update_vertices(m_points.data(), m_points.size());
|
|
}
|
|
m_dragging = false;
|
|
node->mouse_release();
|
|
if (m_points.size() < 4)
|
|
{
|
|
m_points.clear();
|
|
m_shape.update_vertices(m_points.data(), m_points.size());
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CanvasModeFill::on_Draw(const glm::mat4& ortho, const glm::mat4& proj, const glm::mat4& camera)
|
|
{
|
|
if (!m_points.empty())
|
|
{
|
|
ui::ShaderManager::use(ui::kShader::Color);
|
|
ui::ShaderManager::u_mat4(ui::kShaderUniform::MVP, proj * camera);
|
|
ui::ShaderManager::u_vec4(ui::kShaderUniform::Col, { node->m_brush.m_tip_color.rgb(), node->m_brush.m_tip_opacity });
|
|
m_shape.draw_fill();
|
|
}
|
|
}
|