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#include "app.hpp"
#include "src/tile-atlas.hpp"
#include "floormat/main.hpp"
#include "imgui-raii.hpp"
#include "compat/format.hpp"
#include <Magnum/Math/Color.h>
namespace floormat {
using namespace floormat::imgui;
void app::draw_editor_tile_pane_atlas(tile_editor& ed, StringView name, const std::shared_ptr<tile_atlas>& atlas)
{
const auto b = push_id("tile-pane");
const auto dpi = M->dpi_scale();
constexpr Color4 color_perm_selected{1, 1, 1, .7f},
color_selected{1, 0.843f, 0, .8f},
color_hover{0, .8f, 1, .7f};
const float window_width = ImGui::GetWindowWidth() - 32 * dpi[0];
char buf[128];
const auto& style = ImGui::GetStyle();
const auto N = atlas->num_tiles();
const auto click_event = [&] {
if (ImGui::IsItemClicked(ImGuiMouseButton_Right))
ed.select_tile_permutation(atlas);
else if (ImGui::IsItemClicked(ImGuiMouseButton_Middle))
ed.clear_selection();
};
const auto do_caption = [&] {
click_event();
if (ed.is_atlas_selected(atlas))
{
ImGui::SameLine();
text(" (selected)");
}
const auto len = snformat(buf, "{:d}"_cf, N);
ImGui::SameLine(window_width - ImGui::CalcTextSize(buf).x - style.FramePadding.x - 4*dpi[0]);
text({buf, len});
};
if (const auto flags = ImGuiTreeNodeFlags_(ImGuiTreeNodeFlags_SpanFullWidth | ImGuiTreeNodeFlags_Framed);
auto b = tree_node(name.data(), flags))
{
do_caption();
[[maybe_unused]] const raii_wrapper vars[] = {
push_style_var(ImGuiStyleVar_FramePadding, {2*dpi[0], 2*dpi[1]}),
push_style_color(ImGuiCol_ButtonHovered, color_hover),
};
const bool perm_selected = ed.is_permutation_selected(atlas);
constexpr std::size_t per_row = 8;
for (auto i = 0_uz; i < N; i++)
{
const bool selected = ed.is_tile_selected(atlas, i);
if (i > 0 && i % per_row == 0)
ImGui::NewLine();
[[maybe_unused]] const raii_wrapper vars[] = {
selected ? push_style_color(ImGuiCol_Button, color_selected) : raii_wrapper{},
selected ? push_style_color(ImGuiCol_ButtonHovered, color_selected) : raii_wrapper{},
perm_selected ? push_style_color(ImGuiCol_Button, color_perm_selected) : raii_wrapper{},
perm_selected ? push_style_color(ImGuiCol_ButtonHovered, color_perm_selected) : raii_wrapper{},
};
snformat(buf, "##item_{}"_cf, i);
const auto uv = atlas->texcoords_for_id(i);
constexpr ImVec2 size_2 = { TILE_SIZE[0]*.5f, TILE_SIZE[1]*.5f };
ImGui::ImageButton(buf, (void*)&atlas->texture(), ImVec2(size_2.x * dpi[0], size_2.y * dpi[1]),
{ uv[3][0], uv[3][1] }, { uv[0][0], uv[0][1] });
if (ImGui::IsItemClicked(ImGuiMouseButton_Left))
ed.select_tile(atlas, i);
else
click_event();
ImGui::SameLine();
}
ImGui::NewLine();
}
else
do_caption();
}
} // namespace floormat
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