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#include "app.hpp"
#include <Magnum/GL/Renderer.h>
#include "imgui-raii.hpp"
#ifndef __CLION_IDE__
#include <Magnum/ImGuiIntegration/Integration.h>
#endif
namespace floormat {
using namespace floormat::imgui;
void app::render_menu()
{
GL::Renderer::setBlendEquation(GL::Renderer::BlendEquation::Add, GL::Renderer::BlendEquation::Add);
GL::Renderer::setBlendFunction(GL::Renderer::BlendFunction::SourceAlpha, GL::Renderer::BlendFunction::OneMinusSourceAlpha);
GL::Renderer::enable(GL::Renderer::Feature::Blending);
GL::Renderer::enable(GL::Renderer::Feature::ScissorTest);
GL::Renderer::disable(GL::Renderer::Feature::FaceCulling);
GL::Renderer::disable(GL::Renderer::Feature::DepthTest);
_imgui.drawFrame();
}
float app::draw_main_menu()
{
float main_menu_height = 0;
if (auto b = begin_main_menu())
{
if (auto b = begin_menu("File"))
{
ImGui::MenuItem("Open", "Ctrl+O");
ImGui::MenuItem("Recent");
ImGui::Separator();
ImGui::MenuItem("Save", "Ctrl+S");
ImGui::MenuItem("Save as...", "Ctrl+Shift+S");
ImGui::Separator();
ImGui::MenuItem("Close");
}
if (auto b = begin_menu("Mode"))
{
ImGui::MenuItem("Select", "F1", _editor.mode() == editor_mode::select);
ImGui::MenuItem("Floor", "F2", _editor.mode() == editor_mode::floor);
ImGui::MenuItem("Walls", "F3", _editor.mode() == editor_mode::walls);
}
main_menu_height = ImGui::GetContentRegionMax().y;
}
return main_menu_height;
}
void app::draw_ui()
{
ImGui::GetIO().IniFilename = nullptr;
_imgui.newFrame();
ImGui::StyleColorsDark(&ImGui::GetStyle());
const float main_menu_height = draw_main_menu();
draw_editor_pane(_editor.floor(), main_menu_height);
draw_fps();
draw_cursor_coord();
ImGui::EndFrame();
}
void app::draw_editor_pane(tile_type& type, float main_menu_height)
{
if (ImGui::GetIO().WantTextInput && !isTextInputActive())
startTextInput();
else if (!ImGui::GetIO().WantTextInput && isTextInputActive())
stopTextInput();
const raii_wrapper vars[] = {
push_style_var(ImGuiStyleVar_WindowPadding, {8, 8}),
push_style_var(ImGuiStyleVar_WindowBorderSize, 0),
push_style_var(ImGuiStyleVar_FramePadding, {4, 4}),
push_style_color(ImGuiCol_WindowBg, {0, 0, 0, .5}),
push_style_color(ImGuiCol_FrameBg, {0, 0, 0, 0}),
};
const auto& style = ImGui::GetStyle();
if (main_menu_height > 0)
{
ImGui::SetNextWindowPos({0, main_menu_height+style.WindowPadding.y});
ImGui::SetNextFrameWantCaptureKeyboard(false);
ImGui::SetNextWindowSize({450, windowSize()[1] - main_menu_height - style.WindowPadding.y});
if (const auto flags = ImGuiWindowFlags_(ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings);
auto b = begin_window({}, flags))
{
const float window_width = ImGui::GetWindowWidth() - 32;
char buf[64];
//ImGui::SetNextWindowBgAlpha(.2f);
if (auto b = begin_list_box("##tiles", {-FLT_MIN, -1}))
{
for (const auto& [k, v] : type)
{
///const auto& k_ = k;
const auto& v_ = v;
const auto click_event = [&] {
if (ImGui::IsItemClicked(ImGuiMouseButton_Right))
_editor.floor().select_tile_permutation(v_);
};
const auto add_tile_count = [&] {
snprintf(buf, sizeof(buf), "%zu", (std::size_t)v_->num_tiles());
ImGui::SameLine(window_width - ImGui::CalcTextSize(buf).x - style.FramePadding.x - 4);
ImGui::Text("%s", buf);
};
const std::size_t N = v->num_tiles();
if (const auto flags = ImGuiTreeNodeFlags_(ImGuiTreeNodeFlags_SpanFullWidth | ImGuiTreeNodeFlags_Framed);
auto b = tree_node(k.data(), flags))
{
click_event();
add_tile_count();
const raii_wrapper vars[] = {
push_style_var(ImGuiStyleVar_FramePadding, {1, 1}),
push_style_var(ImGuiStyleVar_FrameBorderSize, 3),
push_style_color(ImGuiCol_Button, {1, 1, 1, 1}),
};
constexpr std::size_t per_row = 8;
for (std::size_t i = 0; i < N; i++)
{
if (i > 0 && i % per_row == 0)
ImGui::NewLine();
snprintf(buf, sizeof(buf), "##item_%zu", i);
const auto uv = v->texcoords_for_id(i);
ImGui::ImageButton(buf, (void*)&v->texture(), {TILE_SIZE[0]/2, TILE_SIZE[1]/2},
{ uv[3][0], uv[3][1] }, { uv[0][0], uv[0][1] });
if (ImGui::IsItemClicked())
_editor.floor().select_tile(v, (std::uint8_t)i);
else
click_event();
ImGui::SameLine();
}
ImGui::NewLine();
}
else
{
click_event();
add_tile_count();
}
}
}
}
}
}
void app::draw_fps()
{
auto c1 = push_style_var(ImGuiStyleVar_FramePadding, {0, 0});
auto c2 = push_style_var(ImGuiStyleVar_WindowPadding, {0, 0});
auto c3 = push_style_var(ImGuiStyleVar_WindowBorderSize, 0);
auto c4 = push_style_var(ImGuiStyleVar_WindowMinSize, {1, 1});
auto c5 = push_style_var(ImGuiStyleVar_ScrollbarSize, 0);
auto c6 = push_style_color(ImGuiCol_Text, {0, 1, 0, 1});
char buf[16];
const double dt = _frame_time > 1e-6f ? std::round(1/double(_frame_time)*10.)*.1 + 0.05 : 999;
snprintf(buf, sizeof(buf), "%.1f FPS", dt);
const ImVec2 size = ImGui::CalcTextSize(buf);
ImGui::SetNextWindowPos({windowSize()[0] - size.x - 4, 3});
ImGui::SetNextWindowSize(size);
if (auto flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoInputs |
ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBackground;
auto b = begin_window("framerate", ImGuiWindowFlags_(flags)))
{
ImGui::Text("%s", buf);
}
}
void app::draw_cursor_coord()
{
if (!_cursor_tile)
return;
auto c1 = push_style_var(ImGuiStyleVar_FramePadding, {0, 0});
auto c2 = push_style_var(ImGuiStyleVar_WindowPadding, {0, 0});
auto c3 = push_style_var(ImGuiStyleVar_WindowBorderSize, 0);
auto c4 = push_style_var(ImGuiStyleVar_WindowMinSize, {1, 1});
auto c5 = push_style_var(ImGuiStyleVar_ScrollbarSize, 0);
auto c6 = push_style_color(ImGuiCol_Text, {.9f, .9f, .9f, 1});
char buf[64];
const auto coord = *_cursor_tile;
const auto chunk = coord.chunk();
const auto local = coord.local();
snprintf(buf, sizeof(buf), "%hd:%hd - %hhu:%hhu", chunk.x, chunk.y, local.x, local.y);
const auto size = ImGui::CalcTextSize(buf);
ImGui::SetNextWindowPos({windowSize()[0]/2 - size.x/2, 3});
ImGui::SetNextWindowSize(size);
if (auto flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoInputs |
ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBackground;
auto b = begin_window("tile-coord", ImGuiWindowFlags_(flags)))
{
ImGui::Text("%s", buf);
}
}
} // namespace floormat
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