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// license:BSD-3-Clause
// copyright-holders:David Haywood

#ifndef MAME_VIDEO_NAMCO_C355SPR_H
#define MAME_VIDEO_NAMCO_C355SPR_H

#pragma once

#include "screen.h"

class namco_c355spr_device : public device_t, public device_video_interface
{
public:
	// construction/destruction
	namco_c355spr_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);

	template <typename T> void set_gfxdecode_tag(T &&tag) { m_gfxdecode.set_tag(std::forward<T>(tag)); }
	void set_is_namcofl(bool state) { m_is_namcofl = state; }
	//void set_ram_words(uint32_t size) { m_ramsize = size; }
	void set_palxor(int palxor) { m_palxor = palxor; }
	void set_gfxregion(int region) { m_gfx_region = region; }
	void set_buffer(int buffer) { m_buffer = buffer; }

	DECLARE_READ16_MEMBER( spriteram_r );
	DECLARE_WRITE16_MEMBER( spriteram_w );
	DECLARE_READ16_MEMBER( position_r );
	DECLARE_WRITE16_MEMBER( position_w );
	DECLARE_WRITE_LINE_MEMBER( vblank );

	typedef delegate<int (int)> c355_obj_code2tile_delegate;
	void set_tile_callback(c355_obj_code2tile_delegate cb)
	{
		if (!cb.isnull())
			m_code2tile = cb;
		else
			m_code2tile = c355_obj_code2tile_delegate(&namco_c355spr_device::default_code2tile, this);
	}

	void draw(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int pri);
	void draw(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect, int pri);


protected:
	// device-level overrides
	virtual void device_start() override;

private:

	struct c355_sprite
	{
		int disable;
		int size;
		rectangle clip;
		int offset;
		int color;
		int flipx,flipy;
		int tile[16*16];
		int x[16*16],y[16*16];
		int zoomx[16*16],zoomy[16*16];
		int pri;
	};

	// general
	void zdrawgfxzoom(screen_device &screen, bitmap_ind16 &dest_bmp, const rectangle &clip, gfx_element *gfx, uint32_t code, uint32_t color, int flipx, int flipy, int sx, int sy, int scalex, int scaley, int zpos);
	void zdrawgfxzoom(screen_device &screen, bitmap_rgb32 &dest_bmp, const rectangle &clip, gfx_element *gfx, uint32_t code, uint32_t color, int flipx, int flipy, int sx, int sy, int scalex, int scaley, int zpos);

	// C355 Motion Object Emulation
	// for pal_xor, supply either 0x0 (normal) or 0xf (palette mapping reversed)
	int default_code2tile(int code);

	// C355 Motion Object internals
	void get_single_sprite(const uint16_t *pSource, struct c355_sprite *sprite_ptr);
	void get_list(int no, const uint16_t *pSpriteList16, const uint16_t *pSpriteTable);
	void get_sprites();
	template<class _BitmapClass> void draw_sprites(screen_device &screen, _BitmapClass &bitmap, const rectangle &cliprect, int pri);

	struct c355_sprite *m_spritelist[2];
	const struct c355_sprite *m_sprite_end[2];
	c355_obj_code2tile_delegate m_code2tile;
	int m_gfx_region;
	int m_palxor;
	uint16_t m_position[4];
	std::vector<uint16_t> m_spriteram[2];
	//std::vector<uint16_t> m_spriteram;

	bool m_is_namcofl;
	//uint32_t m_ramsize;
	int m_buffer;

	required_device<gfxdecode_device> m_gfxdecode;
};

// device type definition
DECLARE_DEVICE_TYPE(NAMCO_C355SPR, namco_c355spr_device)

#endif // MAME_VIDEO_NAMCO_C355SPR_H