DxLib.h

//This file is a reverse engineered "DxLib.h" to the extent that
//Syobon Action uses it. Minor functions are just replaced with SDL
//counterparts.

#include <SDL.h>
#include <SDL_mixer.h>
#include "sdlgfx/SDL_gfxPrimitives.h"

#include <time.h>
#include <stdio.h>
#include <math.h>
#include <stdarg.h>
#include <string.h>

#ifdef _WIN32
#ifdef _MSC_VER
#pragma warning (disable:4312)
#pragma warning (disable:4996)
#define strcasecmp _strcmpi
#else
#define strcasecmp strcmpi
#endif
#endif

#include <string>

#if defined __IOS__

extern "C" const char *IOS_BasePath();

#define PREFIX IOS_BasePath()
#define BGM_PREFIX PREFIX
#define RES_PREFIX PREFIX
#define SE_PREFIX PREFIX

#else

#ifndef PREFIX
#ifdef _MACOSX
#define PREFIX "./SyobonAction.app/Contents/Resources/data/"
#else
#define PREFIX "./data/"
#endif
#endif

#ifndef BGM_PREFIX
#define BGM_PREFIX PREFIX "bgm/"
#endif

#ifndef RES_PREFIX
#define RES_PREFIX PREFIX "res/"
#endif

#ifndef SE_PREFIX
#define SE_PREFIX PREFIX "se/"
#endif

#endif

#include "joyconfig.h"

#define TRUE 1
#define FALSE 0
#define byte unsigned char

#if SDL_MAJOR_VERSION >= 2
#define __SDL2__ 1
#endif

#ifdef __SDL2__
void ScreenFlip();
#else
#define ScreenFlip() SDL_Flip(screen)
#define SDL_INIT_EVENTS 0
#endif
#define GetNowCount() SDL_GetTicks()

//UNIMPLEMENTED - macro substitution
#define StopSoundMem(s);
#define ChangeVolumeSoundMem(s, v);

//Sound
#define DX_PLAYTYPE_LOOP -1
#define DX_PLAYTYPE_BACK 0
void PlaySoundMem (Mix_Chunk * s, int l);
Mix_Chunk *LoadSoundMem (const char *f);
Mix_Music *LoadMusicMem (const char *f);
#define CheckSoundMem(s) !s

int DxLib_Init ();

#ifdef __SDL2__
extern SDL_Renderer *renderer;
extern SDL_Window *window;
extern SDL_Texture *texture;
#endif

//Main screen
extern SDL_Surface *screen;

//Strings & fonts
#define DX_FONTTYPE_NORMAL 0
#define DX_FONTTYPE_EDGE 1

void ChangeFontType (byte type);
void DrawString (int a, int b, const char *x, Uint32 c);
void DrawFormatString (int a, int b, Uint32 color, const char *str, ...);

//Key Aliases
#define KEY_INPUT_ESCAPE SDLK_ESCAPE
#define KEY_INPUT_LEFT SDLK_LEFT
#define KEY_INPUT_RIGHT SDLK_RIGHT
#define KEY_INPUT_DOWN SDLK_DOWN
#define KEY_INPUT_UP SDLK_UP
#define KEY_INPUT_F1 SDLK_F1
#define KEY_INPUT_N SDLK_n
#define KEY_INPUT_O SDLK_o
#define KEY_INPUT_Z SDLK_z
#define KEY_INPUT_RETURN SDLK_RETURN
#define KEY_INPUT_SPACE SDLK_SPACE
#define KEY_INPUT_1 SDLK_1
#define KEY_INPUT_2 SDLK_2
#define KEY_INPUT_3 SDLK_3
#define KEY_INPUT_4 SDLK_4
#define KEY_INPUT_5 SDLK_5
#define KEY_INPUT_6 SDLK_6
#define KEY_INPUT_7 SDLK_7
#define KEY_INPUT_8 SDLK_8
#define KEY_INPUT_9 SDLK_9
#define KEY_INPUT_0 SDLK_0

#ifdef SDL_JOYSTICK_DISABLED
#define SDL_JoystickOpen(a) NULL
#define SDL_JoystickClose(a)
#define SDL_JoystickName(a) ""
#define SDL_JoystickGetButton(a,b) 0
#define SDL_NumJoysticks() 0
#define SDL_Joystick int
#endif

extern SDL_Joystick *joystick;

void UpdateKeys ();
byte ProcessMessage ();
byte CheckHitKey (int key);
void WaitKey ();

#define GetColor(r, g, b) SDL_MapRGB(screen->format, r, g, b)

#define DrawGraph(a, b, mx, z) DrawGraphZ(a, b, mx)
void DrawGraphZ (int a, int b, SDL_Surface * mx);

#define DrawTurnGraph(a, b, mx, z) DrawTurnGraphZ(a, b, mx)
void DrawTurnGraphZ (int a, int b, SDL_Surface * mx);

void DrawVertTurnGraph (int a, int b, SDL_Surface * mx);

SDL_Surface *DerivationGraph (int srcx, int srcy, int width, int height,
                              SDL_Surface * src);

//Noticably different than the original
SDL_Surface *LoadGraph (const char *filename);