diff options
Diffstat (limited to 'main/imgui.cpp')
| -rw-r--r-- | main/imgui.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/main/imgui.cpp b/main/imgui.cpp new file mode 100644 index 00000000..8d2cb97e --- /dev/null +++ b/main/imgui.cpp @@ -0,0 +1,199 @@ +#include "app.hpp" +#include <Magnum/GL/Renderer.h> +#ifndef __CLION_IDE__ +#include "imgui-raii.hpp" +#include <Magnum/ImGuiIntegration/Integration.h> +#endif + +namespace floormat { + +using namespace floormat::imgui; + +void app::display_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.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(); +} + +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().product()); + ImGui::SameLine(window_width - ImGui::CalcTextSize(buf).x - style.FramePadding.x - 4); + ImGui::Text("%s", buf); + }; + const std::size_t N = v->num_tiles().product(); + 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() +{ + const ImVec2 max_size = ImGui::CalcTextSize("999.1 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}); + ImGui::SetNextWindowPos({windowSize()[0] - 5 - max_size.x, 3}); + ImGui::SetNextWindowSize(max_size); + if (auto flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoInputs | + ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBackground; + auto b = begin_window("framerate", ImGuiWindowFlags_(flags))) + { + const double dt = _frame_time > 1e-6 ? std::round(1/double(_frame_time)*10.)*.1 + 0.05 : 999; + char buf[16]; + snprintf(buf, sizeof(buf), "%.1f FPS", dt); + ImGui::SameLine(max_size.x - ImGui::CalcTextSize(buf).x); + 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, {.9, .9, .9, 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 |