Black Art of 3D Game Programming

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C/C++ Source or Header | 1995-05-27 | 17.8 KB | 512 lines

// KRKM0.H - Header file for modular kill or be killed // D E F I N E S ///////////////////////////////////////////////////////////// // defines for the radar scanner #define SCANNER_X 12 // position of scanner #define SCANNER_Y 135 #define SCANNER_WIDTH 57 // size of scanner area #define SCANNER_HEIGHT 42 // commands that can be sent to the scanner engine #define SCANNER_CLEAR 0 // clear the scanner #define SCANNER_LOGO 1 // draw the KRK logo #define SCANNER_ERASE_BLIPS 2 // erase all the radar blips #define SCANNER_DRAW_BLIPS 3 // draw all the radar blips // defines for the general multi function tactical display #define TACTICAL_X 249 // position of tactical #define TACTICAL_Y 134 #define TACTICAL_WIDTH 57 // size of tactical #define TACTICAL_HEIGHT 34 // different modes of operation for the tactical display #define TACTICAL_MODE_STS 0 // ship status mode #define TACTICAL_MODE_HULL 1 // hull damage report #define TACTICAL_MODE_OFF 2 // tactical display off // these are the different icon indexes for the tactical display #define TACTICAL_ICON_BLANK 0 // a black square #define TACTICAL_ICON_KRK 1 // the kill or be killed logo #define TACTICAL_ICON_GAUGE 2 // the gauge set #define TACTICAL_ICON_TALLON 3 // the tallon hull #define TACTICAL_ICON_SLIDER 4 // the slider hull #define TACTICAL_ICON_WIDTH 38 // size of sprite bitmaps for tactical #define TACTICAL_ICON_HEIGHT 28 // commands the drawing engine of the tactical display #define TACTICAL_CLEAR 0 // clear the tactical #define TACTICAL_DRAW 1 // draw the tactical #define TACTICAL_UPDATE 2 // refresh the tactical // the main menu selection system defines #define SELECT_BOX_SX 104 // starting position of selection boxes #define SELECT_BOX_SY 58 #define SELECT_BOX_DY 19 // vertical change between boxes #define SELECT_BOX_WIDTH 94 // dimensions of selection boxes #define SELECT_BOX_HEIGHT 10 #define SELECT_LGT_SX 86 // starting position of little lights by box #define SELECT_LGT_SY 61 #define SELECT_LGT_DY 19 // vertical change to next light #define SELECT_LGT_WIDTH 4 // dimensions of light #define SELECT_LGT_HEIGHT 4 #define MAX_SELECTION 3 // maximum number of selections // defines for the background moutain scape #define MOUNTAIN_HEIGHT 43 // height of mountain #define MOUNTAIN_WIDTH 320 // total width of backdrop #define MOUNTAIN_Y_POS 56 // starting y position to map down backdrop // starting position of the intro startup sequence #define START_MESS_X 2 #define START_MESS_Y 8 // position of alpha numeric input area #define DISPLAY_X 0 #define DISPLAY_Y 0 // defines for the aliens and logic #define ALIEN_DEAD 0 // alien is dead #define ALIEN_DYING 1 // alien is dying #define ALIEN_NEW_STATE 2 // alien wishes a new state #define ALIEN_ATTACK 3 // alien is attacking player #define ALIEN_RANDOM 4 // alien is moving in random directions #define ALIEN_EVADE 5 // alien is evading player #define ALIEN_STOP 6 // alien is at a full stop #define ALIEN_TURN 7 // alien is making a turn #define NUM_ALIENS 4 // total number of aliens in game #define ALIEN_TALLON 0 // id for an alien with a tallon class ship #define ALIEN_SLIDER 1 // is for an alien with a slider class ship // dimesions of the game world #define GAME_MAX_WORLD_X 7500 // x dimensions #define GAME_MIN_WORLD_X -7500 #define GAME_MAX_WORLD_Y 400 // y dimensions #define GAME_MIN_WORLD_Y -400 #define GAME_MAX_WORLD_Z 7500 // z dimensions #define GAME_MIN_WORLD_Z -7500 #define GUN_HEIGHT -10 // height of weapon system from ground level #define NUM_DYNAMIC 3 // total number of dynamic game objects #define NUM_MISSILES 12 // maxium number of missiles in the game // possible missle states #define MISSILE_INACTIVE 0 // an inactive missile #define MISSILE_ACTIVE 1 // an active and moving moving #define MAX_PLAYER_MISSILES 6 // maximum number of missiles player // can fire at once // used to track who fired a missile, helps for collision detection #define NO_OWNER 0 // no owner, can cause damage to anyone #define PLAYER_OWNER 1 // the player fired it #define ALIEN_OWNER 2 // an alien fired it #define OTHER_OWNDER 3 // an unknown fired it // these are used to index into the 3-D models #define MISSILES_TEMPLATE 0 // the missile model #define TALLONS_TEMPLATE 1 // the tallon model #define SLIDERS_TEMPLATE 2 // the slider model // these define the number of each object type #define NUM_STATIONARY 6 // total number of stationary object types #define NUM_OBSTACLES_1 32 // number of rocks #define NUM_OBSTACLES_2 32 // number of crystals #define NUM_BARRIERS 8 // number of lasrer barriers #define NUM_TOWERS 4 // number of control towers #define NUM_STATIONS 1 // number of power stations #define NUM_TELEPODS 4 // number of telepods // these are the model indices #define OBSTACLES_1_TEMPLATE 0 // the rock model #define OBSTACLES_2_TEMPLATE 1 // the crystal model #define BARRIERS_TEMPLATE 2 // the laser barrier model #define TOWERS_TEMPLATE 3 // the control tower model #define STATIONS_TEMPLATE 4 // the power station model #define TELEPODS_TEMPLATE 5 // the telepod model // digital sound system #define KRKMIS_VOC 0 // the sound a missile makess #define KRKEMIS_VOC 1 // the sound an enemy missile makes #define KRKTAC_VOC 2 // tactical engaging #define KRKSCN_VOC 3 // scanner engaging #define KRKHUD_VOC 4 // hud engaging #define KRKPOW_VOC 5 // powering up #define KRKKEY_VOC 6 // a key was pressed #define KRKEX1_VOC 7 // the alien explosion #define KRKEX2_VOC 8 // the blast of an alien #define NUM_SOUND_FX 9 // the number of sound fx loaded in // color fx registers for a multitude of objects #define SHIELDS_REG 232 // the insrument panel shields color register #define RADAR_REG 233 // the insrument panel radar color register #define COMM_REG 234 // the insrument panel communications color register #define HUD_REG 235 // the insrument panel hud color register #define STS_REG 236 // the insrument panel ship status color register #define HULL_REG 237 // the insrument panel hull color register #define OFF_REG 238 // the insrument panel off color register #define PLAYERS_WEAPON_FIRE_REG 239 // the little light that glows when the player fires #define ENGINES_TALLON_REG 240 // the engine flicker for tallons #define ENGINES_SLIDER_REG 241 // the engine flicker for sliders #define BARRIERS_REG 242 // the laser barriers #define SHIELDS_FLICKER_REG 243 // the shields (not implemented) #define START_PANEL_REG 224 // the start register for the main menu fx #define END_PANEL_REG (224+7)// the end register for the main menu fx #define SELECT_REG 254 // the glowing currently selected main menu item #define ALIEN_EXPL_BASE_REG 244 // the aliens that are killed all // get allocated a color register at this base // defines for the grdient sky and ground #define SKY_COLOR_1 50 // reds #define SKY_COLOR_2 52 #define SKY_COLOR_3 53 #define GND_COLOR_1 216 // browns #define GND_COLOR_2 215 #define GND_COLOR_3 214 // 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 // defines for briefing instructions #define NUM_PAGES 8 #define NUM_LINES_PAGE 17 #define NUM_SHIP_SPECS 7 // 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 the ship state machine #define SHIP_STABLE 0 // the ship is stable #define SHIP_HIT 1 // the ship has been hit #define SHIP_TELEPORT 2 // the ship is teleporting (not implemented) #define SHIP_FLAME_COLOR 96 // odd ball, the starting base color register // that is used to flicker the screen to simulate // a torpedo blast // used to indicate which ship type the player is using #define PLAYER_TALLON 0 #define PLAYER_SLIDER 1 // defines for setup selections #define SETUP_CHALLENGE 0 #define SETUP_SELECT_MECH 1 #define SETUP_RULES 2 #define SETUP_EXIT 3 #define NUM_SETUP 4 // number of setup choices // 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 // S T R U C T U R E S /////////////////////////////////////////////////////// // this structure is used to replicate static similar objects based on the // same model typedef struct fixed_obj_typ { int state; // state of object int rx,ry,rz; // rotation rate of object float x,y,z; // position of object } fixed_obj, *fixed_obj_ptr; // this structure is used for all projectiles in the game, similar // to the above structure except with added fields for animation, collision, // etc. typedef struct proj_obj_typ { int state; // state of projectile int owner; // owner of projectile int lifetime; // lifetime of projectile vector_3d direction; // direction and velocity of projectile float x,y,z; // position of projectile } missile_obj, proj_obj, *missile_obj_ptr, *proj_obj_ptr; // this data structure is used to hold and alien attacker typedef struct alien_typ { int state; // state of alien int counter_1; // counters int counter_2; int threshold_1; // thresholds for counters int threshold_2; int aux_1; // auxialliary variables for whatever int aux_2; int color_reg; // color register of alien during explosion RGB_color color; // actual rgb color of explosion int type; // type of alien int angular_heading; // curr angle about y axis, i.e. yaw int speed; // speed of ship vector_3d direction; // the current trajectory vector float x,y,z; // position of alien } alien, *alien_ptr; // P R O T O T Y P E S ////////////////////////////////////////////////////// void Select_Mech(void); void Misc_Color_Init(void); void Tallon_Color_FX(void); void Slider_Color_FX(void); void Barrier_Color_FX(void); void Draw_Hud(void); void Draw_Tactical(int command); void Load_Tactical(void); void Draw_Scanner(int command); void Init_Missiles(void); void Move_Missiles(void); void Draw_Missiles(void); int Start_Missile(int owner, vector_3d_ptr pos, vector_3d_ptr dir, int speed, int lifetime); void Init_Aliens(void); void Process_Aliens(void); void Draw_Aliens(void); void Draw_Background(int mountain_pos); void Draw_Box(int x1,int y1,int x2, int y2,int color); void Tech_Print(int x,int y,char *string,unsigned char far *destination); void Font_Engine_1(int x,int y, int font,int color, char *string,unsigned char far *destination); void Panel_FX(int reset); void Intro_Planet(void); void Closing_Screen(void); void Intro_Waite(void); void Intro_KRK(void); void Intro_Controls(void); void Intro_Briefing(void); void Reset_System(void); 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); int Parse_Commands(int argc, char **argv); void Draw_Stationary_Objects(void); void Set_3D_View(void); void Load_3D_Objects(void); // G L O B A L S //////////////////////////////////////////////////////////// extern object static_obj[NUM_STATIONARY]; // there are six basic stationary object types extern fixed_obj obstacles_1[NUM_OBSTACLES_1]; // general obstacles, rocks etc. extern fixed_obj obstacles_2[NUM_OBSTACLES_2]; // general obstacles, rocks etc. extern fixed_obj barriers[NUM_BARRIERS]; // boundary universe boundaries extern fixed_obj towers[NUM_TOWERS]; // the control towers extern fixed_obj stations[NUM_STATIONS]; // the power stations extern fixed_obj telepods[NUM_TELEPODS]; // the teleporters extern object dynamic_obj[NUM_DYNAMIC]; // this array holds the models // for the dynamic game objects extern alien aliens[NUM_ALIENS]; // take a wild guess! extern missile_obj missiles[NUM_MISSILES]; // holds the missiles extern int active_player_missiles; // how many missiles has player activated extern int total_active_missiles; // total active missiles extern layer mountains; // the background mountains extern pcx_picture image_pcx, // general PCX image used to load background and imagery image_controls; // this holds the controls screen extern sprite tactical_spr, // holds the images for the tactical displays buttons_spr; // holds the images for the control buttons 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 extern bitmap tech_font[NUM_TECH_FONT]; // the tech font bitmaps extern int game_state; // the overall state of the game extern int scanner_state, // state of scanner hud_state, tactical_state; extern int ship_pitch, // current direction of ship ship_yaw , // not used ship_roll , // not used ship_speed , // speed of ship ship_energy , // current energy of ship ship_damage , // current damage up to 50 points ship_message, // current message to ship state machine ship_timer , // a little timer ship_kills , // how many bad guys has player killed ship_deaths ; // how many times has player been killed extern vector_3d unit_z, // a unit vector in the Z direction ship_direction; // the ships direction extern int players_ship_type; // the player starts off with a tallon // 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; // starting intro index number of sequence to be played extern int game_sequence[]; extern int game_seq_index; // starting game index number of sequence to be played extern music song; // the music structure // sound fx stuff extern _sound digital_FX[NUM_SOUND_FX]; // basic colors extern RGB_color bright_red, // bright red bright_blue, // bright blue bright_green, // bright green medium_red, // medium red medium_blue, // medium blue medium_green, // medium green dark_red, // dark red dark_blue, // dark blue dark_green, // dark green black, // pure black white, // pure white color_1,color_2,color_3; // general color variables // the instruction pages extern char *instructions[]; // specification for the tallon extern char *tallon_specs[]; // specifications for the slider extern char *slider_specs[];