#pragma once
#include "WickedEngine.h"

class EditorComponent;

class PaintToolWindow : public wi::gui::Window
{
	float rot = 0;
	float stroke_dist = 0;
	bool history_needs_recording_start = false;
	bool history_needs_recording_end = false;
	size_t history_textureIndex = 0;
	wi::vector<wi::graphics::Texture> history_textures; // we'd like to keep history textures in GPU memory to avoid GPU readback
	wi::graphics::Texture GetEditTextureSlot(const wi::scene::MaterialComponent& material, int* uvset = nullptr);
	void ReplaceEditTextureSlot(wi::scene::MaterialComponent& material, const wi::graphics::Texture& texture);
public:
	void Create(EditorComponent* editor);

	EditorComponent* editor = nullptr;
	wi::ecs::Entity entity = wi::ecs::INVALID_ENTITY;
	int subset = -1;

	wi::gui::ComboBox modeComboBox;
	wi::gui::Label infoLabel;
	wi::gui::Slider radiusSlider;
	wi::gui::Slider amountSlider;
	wi::gui::Slider falloffSlider;
	wi::gui::Slider spacingSlider;
	wi::gui::CheckBox backfaceCheckBox;
	wi::gui::CheckBox wireCheckBox;
	wi::gui::CheckBox pressureCheckBox;
	wi::gui::ColorPicker colorPicker;
	wi::gui::ComboBox textureSlotComboBox;
	wi::gui::Button saveTextureButton;

	void Update(float dt);
	void DrawBrush() const;

	XMFLOAT2 pos = XMFLOAT2(0, 0);

	enum MODE
	{
		MODE_DISABLED,
		MODE_TEXTURE,
		MODE_VERTEXCOLOR,
		MODE_SCULPTING_ADD,
		MODE_SCULPTING_SUBTRACT,
		MODE_SOFTBODY_PINNING,
		MODE_SOFTBODY_PHYSICS,
		MODE_HAIRPARTICLE_ADD_TRIANGLE,
		MODE_HAIRPARTICLE_REMOVE_TRIANGLE,
		MODE_HAIRPARTICLE_LENGTH,
		MODE_WIND,
	};
	MODE GetMode() const;
	void SetEntity(wi::ecs::Entity value, int subsetindex = -1);

	wi::Archive* currentHistory = nullptr;
	void RecordHistory(bool start, wi::graphics::CommandList cmd = wi::graphics::INVALID_COMMANDLIST);
	void ConsumeHistoryOperation(wi::Archive& archive, bool undo);
};