// MIT License

// Copyright (c) 2017 Vadim Grigoruk @nesbox // grigoruk@gmail.com

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#pragma once

#include "tic80_config.h"
#include "tic80_types.h"

#ifdef __cplusplus
extern "C" {
#endif

#define TIC80_WIDTH 240
#define TIC80_HEIGHT 136
#define TIC80_FULLWIDTH_BITS 8
#define TIC80_FULLWIDTH (1 << TIC80_FULLWIDTH_BITS)
#define TIC80_FULLHEIGHT (TIC80_FULLWIDTH*9/16)
#define TIC80_KEY_BUFFER 4

typedef struct 
{
	struct
	{
		void (*trace)(const char* text, u8 color);
		void (*error)(const char* info);
		void (*exit)();		
	} callback;

	struct
	{
		s16* samples;
		s32 count;
	} sound;

	u32* screen;
	
} tic80;

typedef union
{
	struct
	{
		bool up:1;
		bool down:1;
		bool left:1;
		bool right:1;
		bool a:1;
		bool b:1;
		bool x:1;
		bool y:1;
	};

	u8 data;
} tic80_gamepad;

typedef union
{
	struct
	{
		tic80_gamepad first;
		tic80_gamepad second;
		tic80_gamepad third;
		tic80_gamepad fourth;
	};

	u32 data;
} tic80_gamepads;

typedef struct
{
	u8 x;
	u8 y;
	
	union
	{
		struct
		{
			u16 left:1;
			u16 middle:1;
			u16 right:1;

			s16 scrollx:6;
			s16 scrolly:6;

			u16 temp:1;
		};

		u16 btns;
	};
} tic80_mouse;

typedef u8 tic_key;

typedef union
{
	tic_key keys[TIC80_KEY_BUFFER];
	u32 data;
} tic80_keyboard;

typedef struct
{
	tic80_gamepads gamepads;
	tic80_mouse mouse;
	tic80_keyboard keyboard;

} tic80_input;

TIC80_API tic80* tic80_create(s32 samplerate);
TIC80_API void tic80_load(tic80* tic, void* cart, s32 size);
TIC80_API void tic80_tick(tic80* tic, tic80_input input);
TIC80_API void tic80_delete(tic80* tic);

#ifdef __cplusplus
}
#endif