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#include "app.hpp"
#include "floormat/main.hpp"
#include "compat/format.hpp"
#include "imgui-raii.hpp"
#include <Magnum/Math/Color.h>
namespace floormat {
using namespace floormat::imgui;
void app::init_imgui(Vector2i size)
{
if (!_imgui.context())
_imgui = ImGuiIntegration::Context(Vector2{size}, size, size);
else
_imgui.relayout(Vector2{size}, size, size);
}
void app::render_menu()
{
_imgui.drawFrame();
}
float app::draw_main_menu()
{
float main_menu_height = 0;
if (auto b = begin_main_menu())
{
ImGui::SetWindowFontScale(M->dpi_scale());
if (auto b = begin_menu("File"))
{
#if 0
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");
ImGui::Separator();
#endif
bool do_quit = false;
ImGui::MenuItem("Quit", "Ctrl+Q", &do_quit);
if (do_quit)
do_key(key_quit, kmod_none);
}
if (auto b = begin_menu("Mode"))
{
const bool can_rotate = _editor.current_tile_editor() ? _editor.current_tile_editor()->can_rotate() : false;
bool b_none = false, b_floor = false, b_walls = false, b_rotate = false, b_scenery = false;
ImGui::MenuItem("Select", "1", &b_none);
ImGui::MenuItem("Floor", "2", &b_floor);
ImGui::MenuItem("Walls", "3", &b_walls);
ImGui::MenuItem("Scenery", "4", &b_scenery);
ImGui::Separator();
ImGui::MenuItem("Rotate", "R", &b_rotate, can_rotate);
if (b_none)
do_key(key_mode_none);
else if (b_floor)
do_key(key_mode_floor);
else if (b_walls)
do_key(key_mode_walls);
else if (b_scenery)
do_key(key_mode_scenery);
if (b_rotate)
do_key(key_rotate_tile);
}
main_menu_height = ImGui::GetContentRegionMax().y;
}
return main_menu_height;
}
void app::draw_ui()
{
const auto dpi = M->dpi_scale();
[[maybe_unused]] const auto style_ = style_saver{};
auto& style = ImGui::GetStyle();
auto& ctx = *ImGui::GetCurrentContext();
ImGui::StyleColorsDark(&style);
style.ScaleAllSizes(dpi);
ImGui::GetIO().IniFilename = nullptr;
_imgui.newFrame();
const float main_menu_height = draw_main_menu();
if (_editor.mode() != editor_mode::none)
draw_editor_pane(main_menu_height);
[[maybe_unused]] auto font = font_saver{ctx.FontSize*dpi};
draw_fps();
draw_tile_under_cursor();
ImGui::EndFrame();
}
void app::draw_fps()
{
const auto dpi = M->dpi_scale();
const auto frame_time = M->smoothed_dt();
char buf[16];
const double hz = frame_time > 1e-6f ? (int)std::round(10./(double)frame_time + .05) * .1 : 9999;
snformat(buf, "{:.1f} FPS"_cf, hz);
const ImVec2 size = ImGui::CalcTextSize(buf);
ImDrawList& draw = *ImGui::GetForegroundDrawList();
draw.AddText(nullptr, ImGui::GetCurrentContext()->FontSize,
{M->window_size()[0] - size.x - 3.5f*dpi, 3*dpi}, ImGui::ColorConvertFloat4ToU32({0, 1, 0, 1}), buf);
}
void app::draw_tile_under_cursor()
{
if (!cursor.tile)
return;
const auto dpi = M->dpi_scale();
char buf[64];
const auto coord = *cursor.tile;
const auto chunk = coord.chunk();
const auto local = coord.local();
snformat(buf, "{}:{} - {}:{}"_cf, chunk.x, chunk.y, local.x, local.y);
const auto size = ImGui::CalcTextSize(buf);
const auto window_size = M->window_size();
ImDrawList& draw = *ImGui::GetForegroundDrawList();
draw.AddText(nullptr, ImGui::GetCurrentContext()->FontSize,
{window_size[0]*.5f - size.x/2, 3*dpi}, (unsigned)-1, buf);
}
void app::draw_editor_pane(float main_menu_height)
{
auto* ed = _editor.current_tile_editor();
auto* sc = _editor.current_scenery_editor();
fm_assert(!ed || !sc);
const auto window_size = M->window_size();
const auto dpi = M->dpi_scale();
if (const bool active = M->is_text_input_active();
ImGui::GetIO().WantTextInput != active)
active ? M->start_text_input() : M->stop_text_input();
[[maybe_unused]] const raii_wrapper vars[] = {
push_style_var(ImGuiStyleVar_WindowPadding, {8*dpi, 8*dpi}),
push_style_var(ImGuiStyleVar_WindowBorderSize, 0),
push_style_var(ImGuiStyleVar_FramePadding, {4*dpi, 4*dpi}),
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({425 * dpi, window_size[1] - main_menu_height - style.WindowPadding.y});
if (const auto flags = ImGuiWindowFlags_(ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings);
auto b = begin_window({}, flags))
{
ImGui::SetWindowFontScale(dpi);
if (auto b = begin_list_box("##atlases", {-FLT_MIN, -1}))
{
if (ed)
for (const auto& [k, v] : *ed)
draw_editor_tile_pane_atlas(*ed, k, v);
else if (sc)
draw_editor_scenery_pane(*sc);
}
}
}
}
} // namespace floormat
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