Black Art of 3D Game Programming

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C/C++ Source or Header | 1995-05-26 | 21.6 KB | 691 lines

// BLAZEM0.H // D E F I N E S ///////////////////////////////////////////////////////////// // digital sound system #define BLZCLK_VOC 0 // engaging the cloaking device #define BLZEXP1_VOC 1 // standard explosion #define BLZEXP2_VOC 2 // the super nova #define BLZLAS_VOC 3 // laser torpedo sound #define BLZNRG_VOC 4 // energy up sound #define BLZSHLD_VOC 5 // shields engaging #define BLZTAC_VOC 6 // tactical heads up #define BLZSCN_VOC 7 // scanners turning on #define BLZMISS_VOC 8 // mission debriefing #define BLZBIOS_VOC 9 // bios is ok #define BLZENTR_VOC 10 // entering game arena #define BLZABRT_VOC 11 // function aborted #define BLZSEL_VOC 12 // a selection was made #define BLZKEY_VOC 13 // a key has been pressed #define BLZDIAL_VOC 14 // the computer is dialing #define BLZLOS_VOC 15 // the loser sound #define BLZWIN_VOC 16 // the loser sound #define NUM_SOUND_FX 17 // the number of sound fx loaded in // music system #define NUM_INTRO_SEQUENCES 11 // the number of elements in intro music score #define NUM_GAME_SEQUENCES 18 // the number of elements in game music score // modem defines // defines for briefing instructions #define NUM_PAGES 12 #define NUM_LINES_PAGE 17 // defines for the super nova explosion #define NUM_CINDERS 20 // maximum number of cinders per explosion #define CINDER_START_COLOR 48 // starting cinder color #define CINDER_END_COLOR 48+15 // ending cinder color #define NUM_NOVAS 3 // maximum number of super novas in game #define NOVA_ACTIVE 1 // states of the novas #define NOVA_INACTIVE 0 // heads up display defines #define SCANNER_X 128 // position of scanner on screen #define SCANNER_Y 166 #define MAX_BLIPS 50 // maximum number of scanner blips #define BLIP_ASTEROID 9 // colors dor scanner blips #define BLIP_PLAYER 10 #define BLIP_REMOTE 12 #define BLIP_ALIEN 13 #define RIGHT_HEADS_TEXT_X 240 // position of rightmost text for headsup #define RIGHT_HEADS_TEXT_Y 120 // position of leftmost text for headsup #define LEFT_HEADS_TEXT_X 0 #define LEFT_HEADS_TEXT_Y 120 #define HEADS_CLOAK 1 // bitmap indices for various headsup elements #define HEADS_SCANNER 2 #define HEADS_COMM 3 #define HEADS_SHIPS 4 #define HEADS_ENERGY 5 #define HEADS_SHIELDS #define HEADS_1 1 #define HEADS_2 2 #define HEADS_3 3 #define HEADS_GAUGE_1 1 // fuel cell defines #define NUM_FUEL_CELLS 4 // number of fuel cells in game #define NUM_FUEL_FRAMES 3 // number of animation frames for fuel cells #define FUEL_CELL_ACTIVE 1 // states of a fuel cell #define FUEL_CELL_ABSORBED 0 // alien defines // number of alien animation frames #define NUM_ALIEN_FRAMES 4 #define ALIEN_ODDS 50 // probabiliy of alien comming out #define ALIEN_INACTIVE 0 // states of the alien #define ALIEN_RANDOM 1 // the three modes of intelligence #define ALIEN_CHASE_PLAYER 2 #define ALIEN_CHASE_REMOTE 3 // worm hole defines #define NUM_WORMHOLE_FRAMES 8 // number of wormhole animation frames #define WORMHOLE_X 1250 // position of wormhole #define WORMHOLE_Y 1250 // starting position of the intro startup sequence #define START_MESS_X 2 #define START_MESS_Y 8 // general explosions #define NUM_EXPLOSIONS 4 // number of explosions that can run at once #define NUM_EXPLOSION_FRAMES 6 // number frames in explosion #define EXPLOSION_INACTIVE 0 // state of an inactive explosion #define EXPLOSION_ACTIVE 1 // state of a live explosion // missile defines #define GENERIC_MISSILE 0 #define PLAYER_MISSILE 1 // this missile was fired by the local player #define REMOTE_MISSILE 2 // this missile was fired by remote player #define MISS_ACTIVE 1 // flags that a missile is alive #define MISS_INACTIVE 0 // flags that a missile is dead #define NUM_MISSILES 12 // number of total missiles allowed in world // state of the game itself #define GAME_SETUP 0 // the game is in the setup mode #define GAME_LINKING 1 // the communications link is being established #define GAME_RUNNING 2 // the game is running #define GAME_PAUSED 3 // the game is paused (not implemented) #define GAME_OVER 4 // what do you think // general object states #define DEAD 0 // these are general states for any #define ALIVE 1 // object #define DYING 2 // defines for setup selections #define SETUP_PLAY_SOLO 0 #define SETUP_MAKE_CONNECTION 1 #define SETUP_WAIT_FOR_CONNECTION 2 #define SETUP_SELECT_SHIP 3 #define SETUP_SET_COMM_PORT 4 #define SETUP_BRIEFING 5 #define SETUP_EXIT 6 #define NUM_SETUP 7 // number of setup choices // the coordinates of the setup display window #define DISPLAY_X 243 // position of the small setup display #define DISPLAY_Y 68 // box #define DISPLAY_WIDTH 73 // size of window #define DISPLAY_HEIGHT 28 #define DISPLAY_IMG_SHIPS 0 // commands to the display function #define DISPLAY_IMG_PORTS 1 // indicating icons to display // size of the "tech" font used in intro #define TECH_FONT_WIDTH 4 // width of high tech font #define TECH_FONT_HEIGHT 7 // height of high tech font #define NUM_TECH_FONT 64 // number of characters in tech font // asteroid defines #define ASTEROID_SMALL 0 // different asteroid sizes #define ASTEROID_MEDIUM 1 #define ASTEROID_LARGE 2 #define ASTEROID_INACTIVE 0 // asteroid states #define ASTEROID_ACTIVE 1 #define ASTEROID_INOP 2 #define NUM_LARGE_ASTEROIDS 6 // max number of large asteroids in the game #define NUM_MEDIUM_ASTEROIDS 10 // max number of medium asteroids in game #define NUM_SMALL_ASTEROIDS 24 // max number of small asteroids in game #define START_LARGE_ASTEROIDS 0 // starting index of large asteroids #define START_MEDIUM_ASTEROIDS 6 // starting index of medium asteroids #define START_SMALL_ASTEROIDS 16 // starting index of small asteroids #define END_LARGE_ASTEROIDS (0+6-1) // ending indices #define END_MEDIUM_ASTEROIDS (6+10-1) #define END_SMALL_ASTEROIDS (16+24-1) #define ASTEROID_LARGE_WIDTH 34 // size of large asteroids #define ASTEROID_LARGE_HEIGHT 28 #define ASTEROID_MEDIUM_WIDTH 16 // size of medium asteroids #define ASTEROID_MEDIUM_HEIGHT 14 #define ASTEROID_SMALL_WIDTH 8 // size of small asteroids #define ASTEROID_SMALL_HEIGHT 6 #define NUM_ASTEROID_FRAMES 8 // number of asteroid animation frames #define NUM_ASTEROIDS (6+10+24) // total number of asteroids in universe // defines for the star field #define NUM_STARS 50 // number of stars in universe #define STAR_PLANE_0 0 // far plane #define STAR_PLANE_1 1 // near plane #define STAR_PLANE_2 2 #define STAR_COLOR_0 8 // color of farthest star plane #define STAR_COLOR_1 7 #define STAR_COLOR_2 15 // color of nearest star plane // dimensions of the universe #define UNIVERSE_WIDTH 2500 #define UNIVERSE_HEIGHT 2500 #define UNIVERSE_BORDER 160 // the thickness of the border around // the universe // defines for ships #define GRYFON_SHIP 0 #define RAPTOR_SHIP 1 #define SHIP_WIDTH 22 // size of both ships #define SHIP_HEIGHT 18 // shield defines #define PLAYERS_SHIELD_REG 240 // color registers of players shield #define REMOTES_SHIELD_REG 241 // color and remotes shield color // engine defines #define PLAYERS_ENGINE_REG 242 // color registers for engine flicker #define REMOTES_ENGINE_REG 243 // introduction panel colors #define END_PANEL_REG 41 // the color register range for the #define START_PANEL_REG 32 // scrolling red lights on setup screen // general identifiers for the player and remote #define THE_PLAYER 0 #define THE_REMOTE 1 #define WINNER_NONE 0 #define WINNER_PLAYER 1 #define WINNER_REMOTE 2 // remote keyboard events #define REMOTE_RIGHT 1 // each one of these bits is set or reset #define REMOTE_LEFT 2 // in a single byte and sent to the remote #define REMOTE_THRUST 4 // to indicate what the local player did #define REMOTE_SHIELDS 8 #define REMOTE_CLOAK 16 #define REMOTE_FIRE 32 #define REMOTE_ESC 64 // S T R U C T U R E S /////////////////////////////////////////////////////// // this is the structure for the asteroids typedef struct asteroid_typ { int xv; // x velocity of asteroid int yv; // y velocity of asteroid int x,y; // universe coordinates int type; // type of asteroid, big, medium, small sprite rock; // the asteroid sprite } asteroid, *asteroid_ptr; // this is the structure for the stars typedef struct star_typ { int x,y; // position of star int color; // color of star int plane; // plane that star is in int back_color; // the color of the pixel under the star } star, *star_ptr; // this is the structure used for weapons and explosion particles typedef struct particle_type { int x,y; // universe position int sx,sy; // screen coordinates int xv,yv; // velocity int type; // type of particle int state; // state of particle int counter; // general counter int threshold; // threshold for counter int color; // color of particle int back_color; // the color of the pixel under the particle int visible; // helps speed clipping int lifetime; // the liftime of the particle in frames } particle, *particle_ptr; // this is the structure for a super nova explosion typedef struct nova_typ { int state; // state of super nova explosion int x,y; // position of super nova explosion int lifetime; // the lifetime of the super nova particle cinders[NUM_CINDERS]; // particles of the explosion } nova, *nova_ptr; // this is the structure for all simple creatures typedef struct monster_typ { int x,y; // position in universe coordinates int xv,yv; // velocity of monster int state; // state fo monster int type; // type of monster sprite body; // the body sprite for monster } monster, *monster_ptr; // this is a scanner object typedef struct blip_typ { int x,y; // position of blip int color; // color of blip i.e. type of scanner object } blip, *blip_ptr; // P R O T O T Y P E S ////////////////////////////////////////////////////// void Init_Stars(void); void Move_Stars(void); void Draw_Stars(void); void Erase_Stars(void); void Under_Stars(void); void Init_Asteroids(int small, int medium, int large); void Start_Asteroid(int x,int y,int type); void Erase_Asteroids(void); void Draw_Asteroids(void); void Under_Asteroids(void); void Move_Asteroids(void); void Font_Engine_1(int x,int y, int font,int color, char *string,unsigned char far *destination); void Clear_Display(int color); void Intro_Title(void); void Intro_Controls(void); void Load_Icons(void); void Load_Ships(void); void Do_Starburst(void); int Display_Select(int current); void Copy_Frames(sprite_ptr dest, sprite_ptr source); void Shield_Control(int ship,int on); void Reset_System(void); void Start_Players_Death(void); void Reset_Player(void); void Reset_Remote(void); void Start_Remotes_Death(void); void Panel_FX(void); void Erase_Missiles(void); void Under_Missiles(void); void Draw_Missiles(void); void Init_Missiles(void); void Move_Missiles(void); int Start_Missile(int x,int y,int xv,int yv, int color,int type); void Start_Explosion(int x,int y,int speed); void Under_Explosions(void); void Erase_Explosions(void); void Draw_Explosions(void); void Animate_Explosions(void); void Init_Explosions(void); void Tech_Print(int x,int y,char *string,unsigned char far *destination); void Load_Wormhole(void); void Init_Wormhole(void); void Under_Wormhole(void); void Erase_Wormhole(void); void Draw_Wormhole(void); void Animate_Wormhole(void); void Load_Alien(void); void Init_Alien(void); void Alien_Control(void); void Under_Alien(void); void Erase_Alien(void); void Draw_alien(void); void Move_Alien(void); void Load_Fuel_Cells(void); void Init_Fuel_Cells(void); void Under_Fuel_Cells(void); void Erase_Fuel_Cells(void); void Draw_Fuel_Cells(void); void Animate_Fuel_Cells(void); void Init_Scanner(void); void Erase_Scanner(void); void Draw_Scanner(void); void Init_Novas(void); void Erase_Novas(void); void Under_Novas(void); void Draw_Novas(void); void Move_Novas(void); void Start_Nova(int x,int y); void Music_Init(void); void Music_Close(void); void Digital_FX_Init(void); void Digital_FX_Close(void); int Digital_FX_Play(int the_effect, int priority); void Draw_Blips(void); void Under_Blips(void); void Erase_Blips(void); // G L O B A L S //////////////////////////////////////////////////////////// extern pcx_picture image_pcx, // general PCX image used to load background and imagery image_controls; // this holds the controls screen extern RGB_color color_1,color_2; // used for temporaries during color rotation extern RGB_palette game_palette; // this will hold the startup system palette // so we can restore it after screen FX extern sprite button_1, // the setup buttons button_2, button_3, displays, // the display bitmaps starburst, // the startburt sprite gryfon_r, // this holds a generic gryfon ship with remote colors raptor_r, // this holds a generic raptor ship with remote colors gryfon_l, // this holds a generic gryfon ship with local colors raptor_l, // this holds a generic raptor ship with local colors players_ship, // this is the players ship remotes_ship, // this is the remotes ship wormhole, // a stationary worm hole in the game fuel_cells[NUM_FUEL_CELLS], // the stationary fuel cells in the game heads_text, // heads up display sprites heads_numbers, heads_gauge; extern monster alien; // the alien saucer that comes out of the // wormhole extern sprite explosions[NUM_EXPLOSIONS]; // the explosions in the game extern nova novas[NUM_NOVAS]; // the super nova explosions! extern int active_explosions; // number of active explosions extern asteroid asteroids[NUM_ASTEROIDS]; // the asteroid fields extern star stars[NUM_STARS]; // the star fields extern particle missiles[NUM_MISSILES]; // all the projectiles extern bitmap tech_font[NUM_TECH_FONT]; // the tech font bitmaps extern int game_state; // the overall state of the game extern int comm_port, // currently selected comm port players_ship_type, // currently selected local ship type remotes_ship_type; // the remotes ships type extern int comm_port_to_address[2]; // converts the selected com port // to an address extern int master, // the the player dials up a player slave, // then he is master else he is slave linked, // state of the modem communications system winner; // the winner of the game // the start up arrays used to differentiate the player and remote // master is index 1, slave is index 0 extern int game_start_x[]; extern int game_start_y[]; // the variables for the player extern int players_last_x, // the last postiion of player players_last_y, players_x, // current players position players_y, players_dx, // players position deltas since last frame players_dy, players_xv, // velocity of ship players_yv, players_engine, // state of engines players_stability, // how long it takes for gravity players_flame_count, // used for engine flicker players_flame_time, players_gravity, // current gravitron count players_shields, // state of the shields players_shield_time, // how long sheilds have been on players_cloak, // state of the shields -1 off 1 on players_heads, // state of heads up display players_comm, // state of comm link players_scanner, // space scanner players_num_ships, // number of players ship players_shield_strength, // the amount of energy players shields have players_energy, // the amount of ship energy players_score, // the score of the player players_active_missiles, // the number of missiles the player has fired players_state, // satte of player players_death_count; // how long death sequence will last extern int debounce_hud, // these are used to debounce the players debounce_scan, // inputs one some keys debounce_cloak, debounce_thrust, debounce_fire, debounce_shields; extern int refresh_heads, // used to track when hud needs refreshing under_players_blip, // these hold the pixels under the scanner under_remotes_blip; // blip image of the player and remote // remote variables extern int remotes_last_x, // the last postiion of player remotes_last_y , remotes_x , // current remotes position remotes_y , remotes_dx , // remotes position deltas since last frame remotes_dy , remotes_xv , // velocity of ship remotes_yv , remotes_engine , // state of engines remotes_stability , // how long it takes for gravity remotes_flame_count , // used for engine flicker remotes_flame_time , remotes_gravity , // current gravitron count remotes_shields , // state of the shields remotes_shield_time , // how long sheilds have been on remotes_cloak , // state of the shields -1 off 1 on remotes_heads , // state of heads up display remotes_comm , // comm link remotes_scanner , // space scanner remotes_num_ships , // number of remotes ship remotes_shield_strength, // the amount of energy remotes shields have remotes_energy , // the amount of ship energy remotes_score , // the remotes score remotes_active_missiles, // the number of missiles the remote has fired remotes_state , // state of remote remotes_death_count ; // how long death sequence will last // unit motion look up tables extern int motion_dx[16]; extern int motion_dy[16]; // musical sequence information extern int music_enabled, // flags that enable music and sound FX digital_enabled; extern int digital_FX_priority; // the priority tracker of the current effect extern int intro_sequence[]; extern int intro_seq_index; extern int game_sequence[]; extern int game_seq_index; extern music song; // the music structure // sound fx stuff extern _sound digital_FX[NUM_SOUND_FX]; // these colors are used for the shields on the ships extern RGB_color primary_red, // pure red primary_blue, // pure blue primary_green, // pure green primary_black, // pure black primary_white, // pure white remotes_shield_color, // the current color of the remotes shield players_shield_color, // the current color of the players shields players_engine_color, // the color or the players engine remotes_engine_color; // the color or the remotes engine // the instruction pages extern char *instructions[];