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lt__eng.h
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lt__eng.h
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/*##########################################################################
A lot of code from David Brackeen
http://www.brackeen.com/home/vga/
Sprite compiler and bliter from xlib
Please feel free to copy this source code.
##########################################################################*/
#include <stdio.h>
#include <string.h>
#include <dos.h>
#include <alloc.h>
//KEYS
#define LT_ESC 0x01
#define LT_ENTER 0x1C
#define LT_ACTION 0x1F //S
#define LT_JUMP 0x20 //D
#define LT_UP 0x48
#define LT_DOWN 0x50
#define LT_LEFT 0x4B
#define LT_RIGHT 0x4D
//SPRITE ACTIONS
#define LT_SPR_STOP 0x00
#define LT_SPR_UP 0x01
#define LT_SPR_DOWN 0x02
#define LT_SPR_LEFT 0x03
#define LT_SPR_RIGHT 0x04
extern int Free_RAM;
extern int SCR_X;
extern int SCR_Y;
extern char far LT_SIN[];
extern char far LT_COS[];
typedef unsigned char byte;
typedef unsigned short word;
typedef unsigned long dword;
extern word *my_clock;
extern word start;
extern byte LT_Keys[];
void Clearkb();
extern byte LT_MODE;
extern byte LT_EGA_SPRITES_TRANSLUCENT;
extern byte LT_EGA_TEXT_TRANSLUCENT;
extern byte LT_MUSIC_ENABLE;
extern byte LT_ENEMY_DIST_X;
extern byte LT_ENEMY_DIST_Y;
extern byte LT_SFX_MODE;
extern byte LT_LANGUAGE;
extern byte LT_ENDLESS_SIDESCROLL;
extern byte LT_IMAGE_MODE; //0 map; 1 image
extern byte LT_SPRITE_MODE; //0 fast, no delete; 1 slow, delete
typedef struct tagSPRITEFRAME{ // structure for a sprite frame
char far *compiled_code;
} SPRITEFRAME;
typedef struct tagSPRITE{ // structure for a sprite
word width;
word height;
word init; //init sprite to captute bak data
word animate;
word speed;
word anim_counter;
word anim_speed;
word baseframe; //first frame
word aframes;
word ground; //platform touch ground
byte get_item; //For player
byte ntile_item;
byte col_item;
byte mode; //FOR AI
byte ai_stack; //FOR AI
word jump;
word jump_frame;
word climb;
word tile_x;
word tile_y;
word pos_x;
word pos_y;
word last_x;
word last_y;
word last_last_x;
word last_last_y;
int mspeed_x;
int mspeed_y;
int speed_x;
int speed_y;
word s_x; //To control speed
word s_y;
word id_pos;
word fixed_sprite_number;
word state; //Motion
word frame;
word last_frame;
word nframes;
byte animations[64];
word bkg_data; //restore bkg
word *ega_size;
word size;
word siz;
word next_scanline;
word s_delete;
word code_size;
word tga_sprite_data_offset[32];
SPRITEFRAME frames[32];
} SPRITE;
#define SPR_TILP_NUM 0
#define SPR_TILC_NUM 1
#define SPR_COL_X 2
#define SPR_COL_Y 3
#define SPR_HIT 4
#define SPR_JUMP 5
#define SPR_ACT 6
#define SPR_MOVE 7 //0 1 2 3 4 => Stop U D L R
#define SPR_GND 8
extern byte LT_Player_State[];
extern SPRITE far *sprite;
void LT_Adlib_Detect();
void LT_Check_CPU();
void LT_Setup();
void LT_Logo(char *file, char *dat_string);
void LT_Start_Loading();
void LT_End_Loading();
void LT_Read_Joystick();
void LT_memset(void *ptr, byte val, word number);
//EGA/VGA Hardware scroll
void LT_Update(int sprite_follow, int sprite);
void LT_Wait(byte seconds);
void LT_sleep(byte seconds);
void VGA_ClearScreen();
//SYS
void LT_ExitDOS();
// GFX
byte LT_GET_VIDEO();
void LT_Load_Image(char *file, char *dat_string);
void LT_Load_Animation(char *file, char *dat_string);
void LT_Set_Animation(byte speed);
void LT_Load_Font(char *file, char *dat_string);
extern void (*LT_Print_Variable)(byte,byte,word);
byte LT_Draw_Text_Box(word x, word y, byte w, byte h, word mode, byte key1, byte key2, char* text);
void LT_Load_Tiles(char *file, char *dat_string);
void LT_Load_Map(char *file, char *dat_string);
void LT_Set_Map(int x);
extern void (*LT_Edit_MapTile)(word,word,byte,byte);
extern void (*LT_Scroll_Map)(void);
void LT_Endless_SideScroll_Map(int y);
void LT_Screen_Shake(byte mode);
//palettes
void VGA_ClearPalette();
void set_palette(unsigned char *palette);
extern void (*LT_Fade_in)(void);
extern void (*LT_Fade_out)(void);
void LT_Cycle_palette(byte palnum, byte speed);
void LT_Parallax();
void LT_Cycle_Palette_TGA_EGA(byte *p,byte *c,byte speed);
void LT_Easter_Egg();
//SPRITE
void LT_Load_Sprite(char *file, char *dat_string,int sprite_number,byte *animations);
void LT_Clone_Sprite(int sprite_number_c,int sprite_number);
void LT_Init_Sprite(int sprite_number,int x,int y);
void LT_Set_Sprite_Animation(int sprite_number, byte anim);
void LT_Set_Sprite_Animation_Speed(int sprite_number,byte speed);
void LT_Sprite_Stop_Animation(int sprite_number);
extern void (*LT_Draw_Sprites)(void);
extern void (*LT_Draw_Sprites_Fast)(void);
void LT_Sprite_Edit_Map(int sprite_number, byte ntile, byte col);
void LT_Set_AI_Sprites(byte first_type, byte second_type, byte mode_0, byte mode_1);
void LT_move_player(int sprite_number);
//LT_Sprite_State LT_Bounce_Ball(int sprite_number);
int LT_Player_Col_Enemy();
void LT_Reset_Sprite_Stack();
void LT_Unload_Sprites();
void LT_scroll_follow(int sprite_number);
//ADLIB / Tandy
extern void (*LT_Load_Music)(char*,char*);
extern void (*LT_Play_Music)(void);
void LT_Stop_Music();
void LT_Play_AdLib_SFX(unsigned char *ins, byte chan, byte octave, byte note);
byte LT_GET_MUSIC();
//PC SPEAKER
#define PIT_FREQ 0x1234DD;
void LT_Play_PC_Speaker_SFX(byte *note_array);
void LT_Disable_Speaker();