Refactor bundle editor away
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a1cc35ad7f
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304
bundle.cpp
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304
bundle.cpp
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#include <cmath>
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#include "gui/gui.hpp"
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#include "gui/imgui/imgui.h"
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#include "gui/imgui/imgui_stdlib.h"
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#include "types.hpp"
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std::map<std::string, render_Bundle> bundles;
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render_Bundle temp_b;
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render_Primitive temp_p;
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std::map<render_PrimitiveType, std::string> primitive_name = {
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{render_Lines, "render_Lines"},
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{render_LineStrip, "render_LineStrip"},
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{render_Polygon, "render_Polygon"},
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};
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std::map<render_PrimitiveType, std::string> primitive_name_upper = {
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{render_Lines, "LINES"},
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{render_LineStrip, "LINESTRIP"},
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{render_Polygon, "POLY"},
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};
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std::string toString(render_Bundle &b) {
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#define APPEND_FMT(...) \
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do { \
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snprintf(buf, sizeof(buf), __VA_ARGS__); \
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str.append(buf); \
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} while (false)
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#define EXPAND_RGBA(packed) ((packed >> IM_COL32_R_SHIFT) & 0xff), ((packed >> IM_COL32_G_SHIFT) & 0xff), ((packed >> IM_COL32_B_SHIFT) & 0xff)
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std::string str;
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static char buf[1024];
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APPEND_FMT("BUNDLE %s\n", b.name.c_str());
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for (auto &p: b.prims) {
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APPEND_FMT("PRIM %s\n", primitive_name_upper[p.type].c_str());
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APPEND_FMT("FG %d %d %d\n", EXPAND_RGBA(p.fg));
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APPEND_FMT("BG %d %d %d\n", EXPAND_RGBA(p.bg));
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for (auto &pnt: p.points)
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APPEND_FMT("P %f %f\n", pnt.x, pnt.y);
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APPEND_FMT("ENDPRIM\n");
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}
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APPEND_FMT("ENDBUNDLE\n");
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#undef APPEND_FMT
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return str;
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}
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void ui_bundle() {
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if (ig::Begin("Draw & Render")) {
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static ImVec2 scrolling(260.0f, 310.0f);
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static float fg[] = {1.0f, 1.0f, 1.0f}, bg[] = {0.0f, 0.0f, 0.0f};
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static bool adding = false;
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if (ig::InputText("Bundle name", &temp_b.name, ImGuiInputTextFlags_EnterReturnsTrue)) {
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bundles.insert_or_assign(temp_b.name, temp_b);
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temp_b.prims.clear();
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}
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ig::ColorEdit3("Foreground", fg, ImGuiColorEditFlags_PickerHueWheel);
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temp_p.fg = ImGui::ColorConvertFloat4ToU32(ImVec4(fg[0], fg[1], fg[2], 1.0f));
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ig::ColorEdit3("Background", bg, ImGuiColorEditFlags_PickerHueWheel);
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temp_p.bg = ImGui::ColorConvertFloat4ToU32(ImVec4(bg[0], bg[1], bg[2], 1.0f));
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ig::RadioButton("Lines", (int *)&temp_p.type, render_Lines);
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ig::SameLine();
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ig::RadioButton("LineStrip", (int *)&temp_p.type, render_LineStrip);
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ig::SameLine();
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ig::RadioButton("Polygon", (int *)&temp_p.type, render_Polygon);
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ig::SameLine();
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ig::Text("adding=%s", adding ? "true" : "false");
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if (temp_b.prims.size() > 0) {
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ig::SameLine();
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if (ig::Button("Pop back"))
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temp_b.prims.pop_back();
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}
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// Using InvisibleButton() as a convenience 1) it will advance the layout cursor and 2) allows us to use IsItemHovered()/IsItemActive()
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ImVec2 canvas_p0 = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
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ImVec2 canvas_sz = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
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if (canvas_sz.x < 50.0f)
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canvas_sz.x = 50.0f;
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if (canvas_sz.y < 50.0f)
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canvas_sz.y = 50.0f;
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ImVec2 canvas_p1 = ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y);
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// Draw border and background color
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ImGuiIO &io = ImGui::GetIO();
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ImDrawList *draw_list = ImGui::GetWindowDrawList();
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draw_list->AddRectFilled(canvas_p0, canvas_p1, IM_COL32(50, 50, 50, 255));
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draw_list->AddRect(canvas_p0, canvas_p1, IM_COL32(255, 255, 255, 255));
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// This will catch our interactions
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ImGui::InvisibleButton("canvas", canvas_sz, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);
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const bool is_hovered = ImGui::IsItemHovered(); // Hovered
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const bool is_active = ImGui::IsItemActive(); // Held
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const ImVec2 origin(canvas_p0.x + scrolling.x, canvas_p0.y + scrolling.y); // Lock scrolled origin
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const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
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if (is_active && ImGui::IsMouseDragging(ImGuiMouseButton_Right, 0.0f)) {
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scrolling.x += io.MouseDelta.x;
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scrolling.y += io.MouseDelta.y;
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}
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draw_list->PushClipRect(canvas_p0, canvas_p1, true);
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draw_list->AddLine(ImVec2(canvas_p0.x, origin.y), ImVec2(canvas_p1.x, origin.y), IM_COL32(255, 255, 255, 255));
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draw_list->AddLine(ImVec2(origin.x, canvas_p0.y), ImVec2(origin.x, canvas_p1.y), IM_COL32(255, 255, 255, 255));
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const float GRID_STEP = 50.0f;
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for (float x = fmodf(scrolling.x, GRID_STEP); x < canvas_sz.x; x += GRID_STEP)
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draw_list->AddLine(ImVec2(canvas_p0.x + x, canvas_p0.y), ImVec2(canvas_p0.x + x, canvas_p1.y), IM_COL32(200, 200, 200, 40));
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for (float y = fmodf(scrolling.y, GRID_STEP); y < canvas_sz.y; y += GRID_STEP)
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draw_list->AddLine(ImVec2(canvas_p0.x, canvas_p0.y + y), ImVec2(canvas_p1.x, canvas_p0.y + y), IM_COL32(200, 200, 200, 40));
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static std::vector<ImVec2> buff;
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auto convert_point = [&](ImVec2 point) -> ImVec2 { return ImVec2(point.x + origin.x, point.y + origin.y); };
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auto draw_prim = [&](render_Primitive *p) {
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if (p->type == render_Lines) {
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for (int i = 0; i < (ssize_t)p->points.size() - 1; i += 2)
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draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
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} else if (p->type == render_LineStrip) {
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if (p->points.size() < 2)
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return;
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for (int i = 0; i < (ssize_t)p->points.size() - 1; i++)
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draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
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} else if (p->type == render_Polygon) {
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if (p->points.size() < 3)
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return;
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buff.resize(p->points.size());
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for (int i = 0; i < p->points.size(); i++)
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buff[i] = convert_point(p->points[i]);
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draw_list->AddConvexPolyFilled(buff.data(), buff.size(), p->fg);
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}
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};
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// Update last point position
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if (is_hovered && adding) {
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temp_p.points.back() = mouse_pos_in_canvas;
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if (ig::IsMouseClicked(ImGuiMouseButton_Left)) {
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printf("added point %f,%f\n", mouse_pos_in_canvas.x, mouse_pos_in_canvas.y);
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temp_p.points.push_back(mouse_pos_in_canvas);
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}
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if (ig::IsMouseClicked(ImGuiMouseButton_Right)) {
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// Commit the primitive
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temp_p.points.pop_back();
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printf("commited %lu points\n", temp_p.points.size());
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temp_b.prims.push_back(temp_p);
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temp_p.points.clear();
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adding = false;
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}
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}
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// Begin adding primitive
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if (is_hovered && !adding && ig::IsMouseClicked(ImGuiMouseButton_Left)) {
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adding = true;
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temp_p.points.push_back(mouse_pos_in_canvas);
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temp_p.points.push_back(mouse_pos_in_canvas);
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printf("added point %f,%f\n", mouse_pos_in_canvas.x, mouse_pos_in_canvas.y);
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}
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// Draw bundle
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for (auto &i: temp_b.prims)
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draw_prim(&i);
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draw_prim(&temp_p);
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draw_list->PopClipRect();
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}
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ig::End();
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static std::string current_bundle = "";
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if (ig::Begin("Bundle List") && bundles.size() > 0) {
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static int current = 0;
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static std::vector<render_Bundle *> temp_bundles;
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temp_bundles.clear();
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for (auto &i: bundles)
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temp_bundles.push_back(&i.second);
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ig::ListBox(
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"Bundles", ¤t,
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[](void *user, int id) -> const char * {
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return temp_bundles[id]->name.c_str();
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},
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NULL, temp_bundles.size());
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current_bundle = temp_bundles[current]->name;
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// Drawing only
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static ImVec2 scrolling(260.0f, 310.0f);
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// Using InvisibleButton() as a convenience 1) it will advance the layout cursor and 2) allows us to use IsItemHovered()/IsItemActive()
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ImVec2 canvas_p0 = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
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ImVec2 canvas_sz = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
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if (canvas_sz.x < 50.0f)
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canvas_sz.x = 50.0f;
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if (canvas_sz.y < 50.0f)
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canvas_sz.y = 50.0f;
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ImVec2 canvas_p1 = ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y);
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// Draw border and background color
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ImGuiIO &io = ImGui::GetIO();
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ImDrawList *draw_list = ImGui::GetWindowDrawList();
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draw_list->AddRectFilled(canvas_p0, canvas_p1, IM_COL32(50, 50, 50, 255));
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draw_list->AddRect(canvas_p0, canvas_p1, IM_COL32(255, 255, 255, 255));
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// This will catch our interactions
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ImGui::InvisibleButton("canvas", canvas_sz, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);
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const bool is_hovered = ImGui::IsItemHovered(); // Hovered
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const bool is_active = ImGui::IsItemActive(); // Held
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const ImVec2 origin(canvas_p0.x + scrolling.x, canvas_p0.y + scrolling.y); // Lock scrolled origin
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const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
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if (is_active && ImGui::IsMouseDragging(ImGuiMouseButton_Right, 0.0f)) {
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scrolling.x += io.MouseDelta.x;
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scrolling.y += io.MouseDelta.y;
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}
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draw_list->PushClipRect(canvas_p0, canvas_p1, true);
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draw_list->AddLine(ImVec2(canvas_p0.x, origin.y), ImVec2(canvas_p1.x, origin.y), IM_COL32(255, 255, 255, 255));
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draw_list->AddLine(ImVec2(origin.x, canvas_p0.y), ImVec2(origin.x, canvas_p1.y), IM_COL32(255, 255, 255, 255));
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const float GRID_STEP = 50.0f;
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for (float x = fmodf(scrolling.x, GRID_STEP); x < canvas_sz.x; x += GRID_STEP)
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draw_list->AddLine(ImVec2(canvas_p0.x + x, canvas_p0.y), ImVec2(canvas_p0.x + x, canvas_p1.y), IM_COL32(200, 200, 200, 40));
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for (float y = fmodf(scrolling.y, GRID_STEP); y < canvas_sz.y; y += GRID_STEP)
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draw_list->AddLine(ImVec2(canvas_p0.x, canvas_p0.y + y), ImVec2(canvas_p1.x, canvas_p0.y + y), IM_COL32(200, 200, 200, 40));
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static std::vector<ImVec2> buff;
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auto convert_point = [&](ImVec2 point) -> ImVec2 { return ImVec2(point.x + origin.x, point.y + origin.y); };
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auto draw_prim = [&](render_Primitive *p) {
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if (p->type == render_Lines) {
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for (int i = 0; i < (ssize_t)p->points.size() - 1; i += 2)
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draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
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} else if (p->type == render_LineStrip) {
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if (p->points.size() < 2)
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return;
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for (int i = 0; i < (ssize_t)p->points.size() - 1; i++)
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draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
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} else if (p->type == render_Polygon) {
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if (p->points.size() < 3)
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return;
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buff.resize(p->points.size());
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for (int i = 0; i < p->points.size(); i++)
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buff[i] = convert_point(p->points[i]);
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draw_list->AddConvexPolyFilled(buff.data(), buff.size(), p->fg);
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}
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};
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// Draw bundle
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for (auto &i: temp_bundles[current]->prims)
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draw_prim(&i);
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draw_list->PopClipRect();
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}
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ig::End();
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if (ig::Begin("Properities") && !current_bundle.empty()) {
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render_Bundle &b = bundles[current_bundle];
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ig::Text("%s, %d primitives", b.name.c_str(), (int)b.prims.size());
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for (int i = 0; i < b.prims.size(); i++) {
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ig::PushID(i);
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auto &p = b.prims[i];
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char buf[512];
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snprintf(buf, sizeof(buf), "Type %s", primitive_name[p.type].c_str(), i);
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if (ig::CollapsingHeader(buf)) {
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for (int i = 0; i < p.points.size(); i++) {
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ig::PushID(i);
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float pnt[2] = {p.points[i].x, p.points[i].y};
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snprintf(buf, sizeof(buf), "Point %d", i + 1);
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ig::SliderFloat2(buf, pnt, -200, 200);
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p.points[i].x = pnt[0];
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p.points[i].y = pnt[1];
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ig::SameLine();
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ig::Button("Drag");
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if (ig::IsItemActive()) {
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ImVec2 delta = ig::GetIO().MouseDelta;
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p.points[i].x += delta.x;
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p.points[i].y += delta.y;
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}
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ig::Separator();
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ig::PopID();
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}
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}
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ig::PopID();
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}
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}
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ig::End();
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if (ig::Begin("Text") && !current_bundle.empty()) {
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render_Bundle &b = bundles[current_bundle];
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std::string str = toString(b);
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ig::InputTextMultiline("###Output", &str, ImVec2(-1, -1), ImGuiInputTextFlags_ReadOnly);
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}
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ig::End();
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}
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310
main.cpp
310
main.cpp
@ -15,312 +15,30 @@
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using namespace std;
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std::map<std::string, render_Bundle> bundles;
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render_Bundle temp_b;
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render_Primitive temp_p;
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std::map<render_PrimitiveType, std::string> primitive_name = {
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{render_Lines, "render_Lines"},
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{render_LineStrip, "render_LineStrip"},
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{render_Polygon, "render_Polygon"},
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};
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std::map<render_PrimitiveType, std::string> primitive_name_upper = {
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{render_Lines, "LINES"},
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{render_LineStrip, "LINESTRIP"},
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{render_Polygon, "POLY"},
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};
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std::string toString(render_Bundle &b) {
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#define APPEND_FMT(...) \
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do { \
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snprintf(buf, sizeof(buf), __VA_ARGS__); \
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str.append(buf); \
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} while (false)
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#define EXPAND_RGBA(packed) ((packed >> IM_COL32_R_SHIFT) & 0xff), ((packed >> IM_COL32_G_SHIFT) & 0xff), ((packed >> IM_COL32_B_SHIFT) & 0xff)
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std::string str;
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static char buf[1024];
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APPEND_FMT("BUNDLE %s\n", b.name.c_str());
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for (auto &p: b.prims) {
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APPEND_FMT("PRIM %s\n", primitive_name_upper[p.type].c_str());
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APPEND_FMT("FG %d %d %d\n", EXPAND_RGBA(p.fg));
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APPEND_FMT("BG %d %d %d\n", EXPAND_RGBA(p.bg));
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for (auto &pnt: p.points)
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APPEND_FMT("P %f %f\n", pnt.x, pnt.y);
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APPEND_FMT("ENDPRIM\n");
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}
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APPEND_FMT("ENDBUNDLE\n");
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#undef APPEND_FMT
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return str;
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}
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void ui_bundle();
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void ui_map();
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int main(int argc, char *argv[]) {
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UI ui(sf::Vector2u(1200, 1000), "JackEditor");
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while (ui.Update()) {
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static bool demo_open = true;
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ig::ShowDemoWindow(&demo_open);
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static bool demo_open = false;
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if (ig::Begin("Draw & Render")) {
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static ImVec2 scrolling(260.0f, 310.0f);
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static float fg[] = {1.0f, 1.0f, 1.0f}, bg[] = {0.0f, 0.0f, 0.0f};
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static bool adding = false;
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if (ig::InputText("Bundle name", &temp_b.name, ImGuiInputTextFlags_EnterReturnsTrue)) {
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bundles.insert_or_assign(temp_b.name, temp_b);
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temp_b.prims.clear();
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}
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ig::ColorEdit3("Foreground", fg, ImGuiColorEditFlags_PickerHueWheel);
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temp_p.fg = ImGui::ColorConvertFloat4ToU32(ImVec4(fg[0], fg[1], fg[2], 1.0f));
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ig::ColorEdit3("Background", bg, ImGuiColorEditFlags_PickerHueWheel);
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||||
temp_p.bg = ImGui::ColorConvertFloat4ToU32(ImVec4(bg[0], bg[1], bg[2], 1.0f));
|
||||
|
||||
ig::RadioButton("Lines", (int *)&temp_p.type, render_Lines);
|
||||
ig::SameLine();
|
||||
ig::RadioButton("LineStrip", (int *)&temp_p.type, render_LineStrip);
|
||||
ig::SameLine();
|
||||
ig::RadioButton("Polygon", (int *)&temp_p.type, render_Polygon);
|
||||
|
||||
ig::SameLine();
|
||||
ig::Text("adding=%s", adding ? "true" : "false");
|
||||
if (temp_b.prims.size() > 0) {
|
||||
ig::SameLine();
|
||||
if (ig::Button("Pop back"))
|
||||
temp_b.prims.pop_back();
|
||||
}
|
||||
|
||||
// Using InvisibleButton() as a convenience 1) it will advance the layout cursor and 2) allows us to use IsItemHovered()/IsItemActive()
|
||||
ImVec2 canvas_p0 = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
|
||||
ImVec2 canvas_sz = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
|
||||
if (canvas_sz.x < 50.0f)
|
||||
canvas_sz.x = 50.0f;
|
||||
if (canvas_sz.y < 50.0f)
|
||||
canvas_sz.y = 50.0f;
|
||||
ImVec2 canvas_p1 = ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y);
|
||||
|
||||
// Draw border and background color
|
||||
ImGuiIO &io = ImGui::GetIO();
|
||||
ImDrawList *draw_list = ImGui::GetWindowDrawList();
|
||||
draw_list->AddRectFilled(canvas_p0, canvas_p1, IM_COL32(50, 50, 50, 255));
|
||||
draw_list->AddRect(canvas_p0, canvas_p1, IM_COL32(255, 255, 255, 255));
|
||||
|
||||
// This will catch our interactions
|
||||
ImGui::InvisibleButton("canvas", canvas_sz, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);
|
||||
const bool is_hovered = ImGui::IsItemHovered(); // Hovered
|
||||
const bool is_active = ImGui::IsItemActive(); // Held
|
||||
const ImVec2 origin(canvas_p0.x + scrolling.x, canvas_p0.y + scrolling.y); // Lock scrolled origin
|
||||
const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
|
||||
|
||||
if (is_active && ImGui::IsMouseDragging(ImGuiMouseButton_Right, 0.0f)) {
|
||||
scrolling.x += io.MouseDelta.x;
|
||||
scrolling.y += io.MouseDelta.y;
|
||||
}
|
||||
|
||||
draw_list->PushClipRect(canvas_p0, canvas_p1, true);
|
||||
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x, origin.y), ImVec2(canvas_p1.x, origin.y), IM_COL32(255, 255, 255, 255));
|
||||
draw_list->AddLine(ImVec2(origin.x, canvas_p0.y), ImVec2(origin.x, canvas_p1.y), IM_COL32(255, 255, 255, 255));
|
||||
|
||||
const float GRID_STEP = 50.0f;
|
||||
for (float x = fmodf(scrolling.x, GRID_STEP); x < canvas_sz.x; x += GRID_STEP)
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x + x, canvas_p0.y), ImVec2(canvas_p0.x + x, canvas_p1.y), IM_COL32(200, 200, 200, 40));
|
||||
for (float y = fmodf(scrolling.y, GRID_STEP); y < canvas_sz.y; y += GRID_STEP)
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x, canvas_p0.y + y), ImVec2(canvas_p1.x, canvas_p0.y + y), IM_COL32(200, 200, 200, 40));
|
||||
|
||||
|
||||
static std::vector<ImVec2> buff;
|
||||
|
||||
auto convert_point = [&](ImVec2 point) -> ImVec2 { return ImVec2(point.x + origin.x, point.y + origin.y); };
|
||||
auto draw_prim = [&](render_Primitive *p) {
|
||||
if (p->type == render_Lines) {
|
||||
for (int i = 0; i < (ssize_t)p->points.size() - 1; i += 2)
|
||||
draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
|
||||
} else if (p->type == render_LineStrip) {
|
||||
if (p->points.size() < 2)
|
||||
return;
|
||||
for (int i = 0; i < (ssize_t)p->points.size() - 1; i++)
|
||||
draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
|
||||
} else if (p->type == render_Polygon) {
|
||||
if (p->points.size() < 3)
|
||||
return;
|
||||
buff.resize(p->points.size());
|
||||
for (int i = 0; i < p->points.size(); i++)
|
||||
buff[i] = convert_point(p->points[i]);
|
||||
draw_list->AddConvexPolyFilled(buff.data(), buff.size(), p->fg);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
// Update last point position
|
||||
if (is_hovered && adding) {
|
||||
temp_p.points.back() = mouse_pos_in_canvas;
|
||||
if (ig::IsMouseClicked(ImGuiMouseButton_Left)) {
|
||||
printf("added point %f,%f\n", mouse_pos_in_canvas.x, mouse_pos_in_canvas.y);
|
||||
temp_p.points.push_back(mouse_pos_in_canvas);
|
||||
}
|
||||
if (ig::IsMouseClicked(ImGuiMouseButton_Right)) {
|
||||
// Commit the primitive
|
||||
temp_p.points.pop_back();
|
||||
printf("commited %lu points\n", temp_p.points.size());
|
||||
temp_b.prims.push_back(temp_p);
|
||||
temp_p.points.clear();
|
||||
adding = false;
|
||||
}
|
||||
}
|
||||
// Begin adding primitive
|
||||
if (is_hovered && !adding && ig::IsMouseClicked(ImGuiMouseButton_Left)) {
|
||||
adding = true;
|
||||
temp_p.points.push_back(mouse_pos_in_canvas);
|
||||
temp_p.points.push_back(mouse_pos_in_canvas);
|
||||
printf("added point %f,%f\n", mouse_pos_in_canvas.x, mouse_pos_in_canvas.y);
|
||||
}
|
||||
|
||||
// Draw bundle
|
||||
for (auto &i: temp_b.prims)
|
||||
draw_prim(&i);
|
||||
draw_prim(&temp_p);
|
||||
|
||||
|
||||
draw_list->PopClipRect();
|
||||
}
|
||||
ig::End();
|
||||
|
||||
|
||||
static std::string current_bundle = "";
|
||||
if (ig::Begin("Bundle List") && bundles.size() > 0) {
|
||||
static int current = 0;
|
||||
static vector<render_Bundle *> temp_bundles;
|
||||
|
||||
temp_bundles.clear();
|
||||
for (auto &i: bundles)
|
||||
temp_bundles.push_back(&i.second);
|
||||
|
||||
ig::ListBox(
|
||||
"Bundles", ¤t,
|
||||
[](void *user, int id) -> const char * {
|
||||
return temp_bundles[id]->name.c_str();
|
||||
},
|
||||
NULL, temp_bundles.size());
|
||||
current_bundle = temp_bundles[current]->name;
|
||||
|
||||
// Drawing only
|
||||
static ImVec2 scrolling(260.0f, 310.0f);
|
||||
|
||||
// Using InvisibleButton() as a convenience 1) it will advance the layout cursor and 2) allows us to use IsItemHovered()/IsItemActive()
|
||||
ImVec2 canvas_p0 = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
|
||||
ImVec2 canvas_sz = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
|
||||
if (canvas_sz.x < 50.0f)
|
||||
canvas_sz.x = 50.0f;
|
||||
if (canvas_sz.y < 50.0f)
|
||||
canvas_sz.y = 50.0f;
|
||||
ImVec2 canvas_p1 = ImVec2(canvas_p0.x + canvas_sz.x, canvas_p0.y + canvas_sz.y);
|
||||
|
||||
// Draw border and background color
|
||||
ImGuiIO &io = ImGui::GetIO();
|
||||
ImDrawList *draw_list = ImGui::GetWindowDrawList();
|
||||
draw_list->AddRectFilled(canvas_p0, canvas_p1, IM_COL32(50, 50, 50, 255));
|
||||
draw_list->AddRect(canvas_p0, canvas_p1, IM_COL32(255, 255, 255, 255));
|
||||
|
||||
// This will catch our interactions
|
||||
ImGui::InvisibleButton("canvas", canvas_sz, ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight);
|
||||
const bool is_hovered = ImGui::IsItemHovered(); // Hovered
|
||||
const bool is_active = ImGui::IsItemActive(); // Held
|
||||
const ImVec2 origin(canvas_p0.x + scrolling.x, canvas_p0.y + scrolling.y); // Lock scrolled origin
|
||||
const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
|
||||
|
||||
if (is_active && ImGui::IsMouseDragging(ImGuiMouseButton_Right, 0.0f)) {
|
||||
scrolling.x += io.MouseDelta.x;
|
||||
scrolling.y += io.MouseDelta.y;
|
||||
}
|
||||
|
||||
draw_list->PushClipRect(canvas_p0, canvas_p1, true);
|
||||
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x, origin.y), ImVec2(canvas_p1.x, origin.y), IM_COL32(255, 255, 255, 255));
|
||||
draw_list->AddLine(ImVec2(origin.x, canvas_p0.y), ImVec2(origin.x, canvas_p1.y), IM_COL32(255, 255, 255, 255));
|
||||
|
||||
const float GRID_STEP = 50.0f;
|
||||
for (float x = fmodf(scrolling.x, GRID_STEP); x < canvas_sz.x; x += GRID_STEP)
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x + x, canvas_p0.y), ImVec2(canvas_p0.x + x, canvas_p1.y), IM_COL32(200, 200, 200, 40));
|
||||
for (float y = fmodf(scrolling.y, GRID_STEP); y < canvas_sz.y; y += GRID_STEP)
|
||||
draw_list->AddLine(ImVec2(canvas_p0.x, canvas_p0.y + y), ImVec2(canvas_p1.x, canvas_p0.y + y), IM_COL32(200, 200, 200, 40));
|
||||
|
||||
|
||||
static std::vector<ImVec2> buff;
|
||||
|
||||
auto convert_point = [&](ImVec2 point) -> ImVec2 { return ImVec2(point.x + origin.x, point.y + origin.y); };
|
||||
auto draw_prim = [&](render_Primitive *p) {
|
||||
if (p->type == render_Lines) {
|
||||
for (int i = 0; i < (ssize_t)p->points.size() - 1; i += 2)
|
||||
draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
|
||||
} else if (p->type == render_LineStrip) {
|
||||
if (p->points.size() < 2)
|
||||
return;
|
||||
for (int i = 0; i < (ssize_t)p->points.size() - 1; i++)
|
||||
draw_list->AddLine(convert_point(p->points[i]), convert_point(p->points[i + 1]), p->fg);
|
||||
} else if (p->type == render_Polygon) {
|
||||
if (p->points.size() < 3)
|
||||
return;
|
||||
buff.resize(p->points.size());
|
||||
for (int i = 0; i < p->points.size(); i++)
|
||||
buff[i] = convert_point(p->points[i]);
|
||||
draw_list->AddConvexPolyFilled(buff.data(), buff.size(), p->fg);
|
||||
}
|
||||
};
|
||||
// Draw bundle
|
||||
for (auto &i: temp_bundles[current]->prims)
|
||||
draw_prim(&i);
|
||||
draw_list->PopClipRect();
|
||||
}
|
||||
ig::End();
|
||||
|
||||
|
||||
if (ig::Begin("Properities") && !current_bundle.empty()) {
|
||||
render_Bundle &b = bundles[current_bundle];
|
||||
ig::Text("%s, %d primitives", b.name.c_str(), (int)b.prims.size());
|
||||
for (int i = 0; i < b.prims.size(); i++) {
|
||||
ig::PushID(i);
|
||||
auto &p = b.prims[i];
|
||||
char buf[512];
|
||||
snprintf(buf, sizeof(buf), "Type %s", primitive_name[p.type].c_str(), i);
|
||||
if (ig::CollapsingHeader(buf)) {
|
||||
for (int i = 0; i < p.points.size(); i++) {
|
||||
ig::PushID(i);
|
||||
float pnt[2] = {p.points[i].x, p.points[i].y};
|
||||
snprintf(buf, sizeof(buf), "Point %d", i + 1);
|
||||
ig::SliderFloat2(buf, pnt, -200, 200);
|
||||
p.points[i].x = pnt[0];
|
||||
p.points[i].y = pnt[1];
|
||||
ig::SameLine();
|
||||
ig::Button("Drag");
|
||||
if (ig::IsItemActive()) {
|
||||
ImVec2 delta = ig::GetIO().MouseDelta;
|
||||
p.points[i].x += delta.x;
|
||||
p.points[i].y += delta.y;
|
||||
}
|
||||
static bool bundleOpen = false, mapOpen = true;
|
||||
ig::BeginMainMenuBar();
|
||||
ig::Checkbox("Demo Window", &demo_open);
|
||||
ig::Separator();
|
||||
ig::PopID();
|
||||
}
|
||||
}
|
||||
ig::PopID();
|
||||
}
|
||||
}
|
||||
ig::End();
|
||||
ig::Checkbox("Bundle", &bundleOpen);
|
||||
ig::Separator();
|
||||
ig::Checkbox("Map", &mapOpen);
|
||||
ig::EndMainMenuBar();
|
||||
|
||||
|
||||
if (ig::Begin("Text") && !current_bundle.empty()) {
|
||||
render_Bundle &b = bundles[current_bundle];
|
||||
std::string str = toString(b);
|
||||
ig::InputTextMultiline("###Output", &str, ImVec2(-1, -1), ImGuiInputTextFlags_ReadOnly);
|
||||
}
|
||||
ig::End();
|
||||
if (demo_open)
|
||||
ig::ShowDemoWindow(&demo_open);
|
||||
if (bundleOpen)
|
||||
ui_bundle();
|
||||
|
||||
|
||||
ui.Render();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user