File TransformPanel.cpp

File List > layer > TransformPanel.cpp

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#include "TransformPanel.h"
#include "Transform.h"

TransformPanel::TransformPanel()
    :TransformPanel("Transform")
{}

TransformPanel::TransformPanel(std::string _name)
{
    uly_type = TRANSFORM_UILAYER;
    uly_name = _name;
}

TransformPanel::~TransformPanel()
{

}

static Transform* GetActiveTransPtr(const Context& ctx)
{
    ObjectID* active_object = ctx.editor.selections.GetSelectedObjects();
    if (active_object == nullptr)
        return nullptr;

    return (Transform*)(active_object->GetTransform());
}

ImGuiInputTextFlags _SliderFlag(bool _is_locked) {
    return _is_locked ? ImGuiInputTextFlags_ReadOnly : ImGuiInputTextFlags_AutoSelectAll;
}

static bool RenderTransfroms(Transform3D& trans)
{
    glm::vec3 pos = trans.o_position;
    glm::vec3 rot = trans.o_rot;
    glm::vec3 scl = trans.o_scale;
    std::string id = std::to_string(reinterpret_cast<std::uintptr_t>(trans.GetTransformPtr()));

    const bool is_pos_ch = ImGui::InputFloat3M((id + "p").c_str(), "Position", (float*)&pos, "%.1f", ::_SliderFlag(!trans.use_position));
    ImGui::SameLine(); ImGui::Checkbox((id + "pl").c_str(), &trans.use_position, false);
    const bool is_rot_ch = ImGui::InputFloat3M((id + "r").c_str(), "Rotation", (float*)&rot, "%.1f", ::_SliderFlag(!trans.use_position));
    ImGui::SameLine(); ImGui::Checkbox((id + "rl").c_str(), &trans.use_rotation, false);
    const bool is_scl_ch = ImGui::InputFloat3M((id + "s").c_str(), "Scale   ", (float*)&scl, "%.1f", ::_SliderFlag(!trans.use_position));
    ImGui::SameLine(); ImGui::Checkbox((id + "sl").c_str(), &trans.use_scale, false);

    if (is_pos_ch)
        trans.SetPos(pos);
    if (is_rot_ch)
        trans.SetRot(rot);
    if (is_scl_ch)
        trans.SetScale(scl);

    return is_pos_ch || is_rot_ch || is_scl_ch;
}

void TransformPanel::RenderLayer(const Context& ctx, EventPool& evt)
{
    ObjectID* active_object = ctx.editor.selections.GetSelectedObjects();
    Transform3D* active_trans = dynamic_cast<Transform3D*>(GetActiveTransPtr(ctx));
    if (active_trans == nullptr) {
        ImGui::Text("No selected transform component");
        return;
    }
    ImGui::InputText("Name", (char*)active_object->o_name.c_str(), CHAR_MAX, ImGuiInputTextFlags_ReadOnly);

    RenderTransfroms(*active_trans);
}