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petrobots.cpp
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petrobots.cpp
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/**
* PETSCII Robots (Portable version)
* by David Murray 2020
* dfwgreencars@gmail.com
* ported by Vesa Halttunen 2021-2022
* vesuri@jormas.com
*/
#if defined(_AMIGA)
#include "PlatformAmiga.h"
#elif defined(_PSP)
#include "PlatformPSP.h"
#else
#include "PlatformVita.h"
#endif
#include "petrobots.h"
// MAP FILES CONSIST OF EVERYTHING FROM THIS POINT ON
uint8_t MAP_DATA[8960];
// END OF MAP FILE
uint8_t* DESTRUCT_PATH; // Destruct path array (256 bytes)
uint8_t* TILE_ATTRIB; // Tile attrib array (256 bytes)
#ifndef PLATFORM_SPRITE_SUPPORT
uint8_t* TILE_DATA_TL; // Tile character top-left (256 bytes)
uint8_t* TILE_DATA_TM; // Tile character top-middle (256 bytes)
uint8_t* TILE_DATA_TR; // Tile character top-right (256 bytes)
uint8_t* TILE_DATA_ML; // Tile character middle-left (256 bytes)
uint8_t* TILE_DATA_MM; // Tile character middle-middle (256 bytes)
uint8_t* TILE_DATA_MR; // Tile character middle-right (256 bytes)
uint8_t* TILE_DATA_BL; // Tile character bottom-left (256 bytes)
uint8_t* TILE_DATA_BM; // Tile character bottom-middle (256 bytes)
uint8_t* TILE_DATA_BR; // Tile character bottom-right (256 bytes)
#endif
// These arrays can go anywhere in RAM
uint8_t UNIT_TIMER_A[64]; // Primary timer for units (64 bytes)
uint8_t UNIT_TIMER_B[64]; // Secondary timer for units (64 bytes)
uint8_t UNIT_TILE[32]; // Current tile assigned to unit (32 bytes)
uint8_t UNIT_DIRECTION[32]; // Movement direction of unit (32 bytes)
uint8_t EXP_BUFFER[16]; // Explosion Buffer (16 bytes)
uint8_t MAP_PRECALC[MAP_WINDOW_SIZE]; // Stores pre-calculated objects for map window (77 bytes)
uint8_t MAP_PRECALC_DIRECTION[MAP_WINDOW_SIZE]; // Stores pre-calculated object directions for map window (77 bytes)
uint8_t MAP_PRECALC_TYPE[MAP_WINDOW_SIZE]; // Stores pre-calculated object types for map window (77 bytes)
#ifdef OPTIMIZED_MAP_RENDERING
uint8_t PREVIOUS_MAP_BACKGROUND[MAP_WINDOW_SIZE];
uint8_t PREVIOUS_MAP_BACKGROUND_VARIANT[MAP_WINDOW_SIZE];
uint8_t PREVIOUS_MAP_FOREGROUND[MAP_WINDOW_SIZE];
uint8_t PREVIOUS_MAP_FOREGROUND_VARIANT[MAP_WINDOW_SIZE];
#endif
// The following are the locations where the current
// key controls are stored. These must be set before
// the game can start.
uint8_t KEY_CONFIG[26];
enum KEYS {
KEY_MOVE_UP,
KEY_MOVE_DOWN,
KEY_MOVE_LEFT,
KEY_MOVE_RIGHT,
KEY_FIRE_UP,
KEY_FIRE_DOWN,
KEY_FIRE_LEFT,
KEY_FIRE_RIGHT,
KEY_CYCLE_WEAPONS,
KEY_CYCLE_ITEMS,
KEY_USE,
KEY_SEARCH,
KEY_MOVE,
KEY_LIVE_MAP,
KEY_LIVE_MAP_ROBOTS,
KEY_PAUSE,
KEY_MUSIC,
KEY_CHEAT,
KEY_CURSOR_UP,
KEY_CURSOR_DOWN,
KEY_CURSOR_LEFT,
KEY_CURSOR_RIGHT,
KEY_SPACE,
KEY_RETURN,
KEY_YES,
KEY_NO
};
uint8_t TILE; // The tile number to be plotted
uint8_t DIRECTION; // The direction of the tile to be plotted
uint8_t WALK_FRAME; // Player walking animation frame
uint8_t DEMATERIALIZE_FRAME; // Dematerialize animation frame
uint8_t MAP_X; // Current X location on map
uint8_t MAP_Y; // Current Y location on map
uint8_t MAP_WINDOW_X; // Top left location of what is displayed in map window
uint8_t MAP_WINDOW_Y; // Top left location of what is displayed in map window
uint8_t DECNUM; // a decimal number to be displayed onscreen as 3 digits.
uint8_t ATTRIB; // Tile attribute value
uint8_t UNIT; // Current unit being processed
uint8_t TEMP_A; // used within some routines
uint8_t TEMP_B; // used within some routines
uint8_t TEMP_C; // used within some routines
uint8_t TEMP_D; // used within some routines
uint8_t CURSOR_X; // For on-screen cursor
uint8_t CURSOR_Y; // For on-screen cursor
uint8_t CURSOR_ON; // Is cursor active or not? 1=yes 0=no
uint8_t REDRAW_WINDOW; // 1=yes 0=no
uint8_t MOVE_RESULT; // 1=Move request success, 0=fail.
uint8_t UNIT_FIND; // 255=no unit present.
uint8_t MOVE_TYPE; // %00000001=WALK %00000010=HOVER
uint8_t* CUR_PATTERN; // stores the memory location of the current musical pattern being played.
uint8_t* MAP_SOURCE; // $FD
uint8_t SCREEN_MEMORY[SCREEN_WIDTH_IN_CHARACTERS * SCREEN_HEIGHT_IN_CHARACTERS]; // $8000
int main(int argc, char *argv[])
{
PlatformClass platformInstance;
if (!platform) {
return 1;
}
convertToPETSCII(INTRO_MESSAGE);
convertToPETSCII(MSG_CANTMOVE);
convertToPETSCII(MSG_BLOCKED);
convertToPETSCII(MSG_SEARCHING);
convertToPETSCII(MSG_NOTFOUND);
convertToPETSCII(MSG_FOUNDKEY);
convertToPETSCII(MSG_FOUNDGUN);
convertToPETSCII(MSG_FOUNDEMP);
convertToPETSCII(MSG_FOUNDBOMB);
convertToPETSCII(MSG_FOUNDPLAS);
convertToPETSCII(MSG_FOUNDMED);
convertToPETSCII(MSG_FOUNDMAG);
convertToPETSCII(MSG_MUCHBET);
convertToPETSCII(MSG_EMPUSED);
convertToPETSCII(MSG_TERMINATED);
convertToPETSCII(MSG_TRANS1);
convertToPETSCII(MSG_ELEVATOR);
convertToPETSCII(MSG_LEVELS);
convertToPETSCII(MSG_PAUSED);
convertToPETSCII(MSG_MUSICON);
convertToPETSCII(MSG_MUSICOFF);
convertToPETSCII(MAP_NAMES);
convertToPETSCII(LOAD_MSG2);
convertToPETSCII(INTRO_OPTIONS);
convertToPETSCII(DIFF_LEVEL_WORDS);
convertToPETSCII(WIN_MSG);
convertToPETSCII(LOS_MSG);
convertToPETSCII(CONTROLTEXT);
convertToPETSCII(CINEMA_MESSAGE);
for (int i = 0; i < PLATFORM_MAP_WINDOW_TILES_HEIGHT; i++) {
MAP_CHART[i] = i * 3 * SCREEN_WIDTH_IN_CHARACTERS;
}
platform->stopNote(); // RESET SOUND TO ZERO
#ifdef PLATFORM_STDOUT_MESSAGES
DISPLAY_LOAD_MESSAGE1();
#endif
TILE_LOAD_ROUTINE();
SETUP_INTERRUPT();
SET_CONTROLS(); // copy initial key controls
while (!platform->quit) {
INTRO_SCREEN();
}
return 0;
}
void INIT_GAME()
{
SCREEN_SHAKE = 0;
#ifdef PLATFORM_LIVE_MAP_SUPPORT
LIVE_MAP_ON = 0;
#ifdef PLATFORM_LIVE_MAP_SINGLE_KEY
LIVE_MAP_ROBOTS_ON = 0;
#endif
#endif
RESET_KEYS_AMMO();
platform->fadeScreen(0, false);
DISPLAY_GAME_SCREEN();
#ifndef INACTIVITY_TIMEOUT_GAME
DISPLAY_LOAD_MESSAGE2();
#endif
platform->fadeScreen(15, false);
MAP_LOAD_ROUTINE();
#ifdef PLATFORM_MODULE_BASED_AUDIO
START_IN_GAME_MUSIC();
#endif
SET_DIFF_LEVEL();
ANIMATE_PLAYER();
CACULATE_AND_REDRAW();
#ifdef OPTIMIZED_MAP_RENDERING
INVALIDATE_PREVIOUS_MAP();
#endif
DRAW_MAP_WINDOW();
DISPLAY_PLAYER_HEALTH();
DISPLAY_KEYS();
DISPLAY_WEAPON();
UNIT_TYPE[0] = 1;
SET_INITIAL_TIMERS();
PRINT_INTRO_MESSAGE();
KEYTIMER = 30;
MAIN_GAME_LOOP();
}
//char MAPNAME[] = "level-a";
#ifdef PLATFORM_STDOUT_MESSAGES
const char* LOADMSG1 = "loading tiles...\x0d";
#endif
uint8_t KEYS = 0; // bit0=spade bit2=heart bit3=star
uint8_t AMMO_PISTOL = 0; // how much ammo for the pistol
uint8_t AMMO_PLASMA = 0; // how many shots of the plasmagun
uint8_t INV_BOMBS = 0; // How many bombs do we have
uint8_t INV_EMP = 0; // How many EMPs do we have
uint8_t INV_MEDKIT = 0; // How many medkits do we have?
uint8_t INV_MAGNET = 0; // How many magnets do we have?
uint8_t SELECTED_WEAPON = 0; // 0=none 1=pistol 2=plasmagun
uint8_t SELECTED_ITEM = 0; // 0=none 1=bomb 2=emp 3=medkit 4=magnet
uint8_t SELECT_TIMEOUT = 0; // can only change weapons once it hits zero
uint8_t ANIMATE = 1; // 0=DISABLED 1=ENABLED
uint8_t BIG_EXP_ACT = 0; // 0=No explosion active 1=big explosion active
uint8_t MAGNET_ACT = 0; // 0=no magnet active 1=magnet active
uint8_t PLASMA_ACT = 0; // 0=No plasma fire active 1=plasma fire active
uint8_t RANDOM = 0; // used for random number generation
uint8_t BORDER = 0; // Used for border flash timing
uint8_t SCREEN_SHAKE = 0; // 1=shake 0=no shake
uint8_t CONTROL = PLATFORM_DEFAULT_CONTROL; // 0=keyboard 1=custom keys 2=snes 3=analog
uint16_t BORDER_COLOR = 0xf00; // Used for border flash coloring
char INTRO_MESSAGE[] = "welcome to "
PLATFORM_NAME
"-robots!\xff"
"by david murray 2021\xff"
PLATFORM_NAME
" port by vesa halttunen and nolemretaw";
char MSG_CANTMOVE[] = "can't move that!";
char MSG_BLOCKED[] = "blocked!";
char MSG_SEARCHING[] = "searching";
char MSG_NOTFOUND[] = "nothing found here.";
char MSG_FOUNDKEY[] = "you found a key card!";
char MSG_FOUNDGUN[] = "you found a pistol!";
char MSG_FOUNDEMP[] = "you found an emp device!";
char MSG_FOUNDBOMB[] = "you found a timebomb!";
char MSG_FOUNDPLAS[] = "you found a plasma gun!";
char MSG_FOUNDMED[] = "you found a medkit!";
char MSG_FOUNDMAG[] = "you found a magnet!";
char MSG_MUCHBET[] = "ahhh, much better!";
char MSG_EMPUSED[] = "emp activated!\xff"
"nearby robots are rebooting.";
char MSG_TERMINATED[] = "you're terminated!";
char MSG_TRANS1[] = "transporter will not activate\xff"
"until all robots destroyed.";
char MSG_ELEVATOR[] = "[ elevator panel ] down\xff"
"[ select level ] opens";
char MSG_LEVELS[] = "[ ] door";
#ifdef INACTIVITY_TIMEOUT_GAME
char MSG_PAUSED[] = "exit game?\xff"
"left=yes right=no";
#else
char MSG_PAUSED[] = "game paused.\xff"
"exit game (y/n)";
#endif
char MSG_MUSICON[] = "music on.";
char MSG_MUSICOFF[] = "music off.";
uint8_t SELECTED_MAP = 0;
char MAP_NAMES[] = "01-research lab "
"02-headquarters "
"03-the village "
"04-the islands "
"05-downtown "
"06-pi university"
"07-more islands "
"08-robot hotel "
"09-forest moon "
"10-death tower "
"11-river death "
"12-bunker "
"13-castle robot "
"14-rocket center";
#ifdef PLATFORM_MODULE_BASED_AUDIO
uint8_t MUSIC_ON = 1; // 0=off 1=on
#else
// THE FOLLOWING ARE USED BY THE SOUND SYSTEM*
uint8_t TEMPO_TIMER = 0; // used for counting down to the next tick
uint8_t TEMPO = 7; // How many IRQs between ticks
uint8_t DATA_LINE = 0; // used for playback to keep track of which line we are executing.
uint8_t ARP_MODE = 0; // 0=no 1=major 2=minor 3=sus4
uint8_t CHORD_ROOT = 0; // root note of the chord
uint8_t MUSIC_ON = 0; // 0=off 1=on
uint8_t SOUND_EFFECT = 0xff; // FF=OFF or number of effect in progress
#endif
#ifdef PLATFORM_STDOUT_MESSAGES
void DISPLAY_LOAD_MESSAGE1()
{
for (int Y = 0; Y != 17; Y++) {
platform->chrout(LOADMSG1[Y]);
}
}
#endif
// Displays loading message for map.
void DISPLAY_LOAD_MESSAGE2()
{
int Y;
for (Y = 0; Y != 12; Y++) {
writeToScreenMemory((PLATFORM_SCREEN_HEIGHT - 32) / 2 / 8 * SCREEN_WIDTH_IN_CHARACTERS + (PLATFORM_SCREEN_WIDTH - 320) / 2 / 8 + Y, LOAD_MSG2[Y]);
}
char* name = CALC_MAP_NAME();
for (Y = 0; Y != 16; Y++) {
writeToScreenMemory((PLATFORM_SCREEN_HEIGHT - 32) / 2 / 8 * SCREEN_WIDTH_IN_CHARACTERS + (PLATFORM_SCREEN_WIDTH - 320) / 2 / 8 + 12 + Y, name[Y]);
}
}
char LOAD_MSG2[] = "loading map:";
void SETUP_INTERRUPT()
{
platform->setInterrupt(&RUNIRQ);
}
// This is the routine that runs every 60 seconds from the IRQ.
// BGTIMER1 is always set to 1 every cycle, after which the main
// program will reset it to 0 when it is done with it's work for
// that cycle. BGTIMER2 is a count-down to zero and then stays
// there.
void RUNIRQ()
{
#ifndef PLATFORM_MODULE_BASED_AUDIO
MUSIC_ROUTINE();
#endif
UPDATE_GAME_CLOCK();
ANIMATE_WATER();
BGTIMER1 = 1;
if (BGTIMER2 != 0) {
BGTIMER2--;
}
if (KEYTIMER != 0) {
KEYTIMER--;
}
if (BORDER != 0) {
BORDER--;
platform->fadeScreen(15 - BORDER);
}
#ifdef PLATFORM_HARDWARE_BASED_SHAKE_SCREEN
if (CLOCK_ACTIVE != 0 && SCREEN_SHAKE != 0) {
platform->shakeScreen();
}
#endif
// Back to usual IRQ routine
}
uint8_t BGTIMER1 = 0;
uint8_t BGTIMER2 = 0;
uint8_t KEYTIMER = 0; // Used for repeat of movement
// Since the PET has no real-time clock, and the Jiffy clock
// is a pain to read from assembly language, I have created my own.
void UPDATE_GAME_CLOCK()
{
if (CLOCK_ACTIVE != 1) {
return;
}
CYCLES++;
if (CYCLES != platform->framesPerSecond()) { // 60 for ntsc or 50 for pal
return;
}
CYCLES = 0;
SECONDS++;
#ifdef INACTIVITY_TIMEOUT_GAME
INACTIVE_SECONDS++;
#endif
if (SECONDS != 60) {
return;
}
SECONDS = 0;
MINUTES++;
if (MINUTES != 60) {
return;
}
SECONDS = 0;
MINUTES = 0;
HOURS++;
}
uint8_t HOURS = 0;
uint8_t MINUTES = 0;
uint8_t SECONDS = 0;
uint8_t CYCLES = 0;
uint8_t CLOCK_ACTIVE = 0;
#ifdef INACTIVITY_TIMEOUT_GAME
uint8_t INACTIVE_SECONDS = 0;
#endif
// This routine spaces out the timers so that not everything
// is running out once. It also starts the game_clock.
void SET_INITIAL_TIMERS()
{
CLOCK_ACTIVE = 1;
for (int X = 1; X != 48; X++) {
UNIT_TIMER_A[X] = X;
UNIT_TIMER_B[X] = 0;
}
}
void MAIN_GAME_LOOP()
{
platform->renderFrame();
bool done = false;
while (!done && !platform->quit) {
#ifdef INACTIVITY_TIMEOUT_GAME
if (INACTIVE_SECONDS >= INACTIVITY_TIMEOUT_GAME) {
return;
}
#endif
if (BGTIMER1 != 1) {
platform->renderFrame(true);
}
PET_SCREEN_SHAKE();
BACKGROUND_TASKS();
if (UNIT_TYPE[0] != 1) { // Is player unit alive
GAME_OVER();
return;
}
KEY_REPEAT(platform->isKeyOrJoystickPressed(CONTROL >= 2 ? true : false));
uint8_t A = platform->readKeyboard();
uint16_t B = platform->readJoystick(CONTROL >= 2 ? true : false);
// Keyboard controls here.
if (A != 0xff) {
#ifdef INACTIVITY_TIMEOUT_GAME
INACTIVE_SECONDS = 0;
#endif
KEYTIMER = 5;
if (A == KEY_CONFIG[KEY_CURSOR_RIGHT] || A == KEY_CONFIG[KEY_MOVE_RIGHT]) { // CURSOR RIGHT
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_RIGHT();
AFTER_MOVE();
} else if (A == KEY_CONFIG[KEY_CURSOR_LEFT] || A == KEY_CONFIG[KEY_MOVE_LEFT]) { // CURSOR LEFT
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_LEFT();
AFTER_MOVE();
} else if (A == KEY_CONFIG[KEY_CURSOR_DOWN] || A == KEY_CONFIG[KEY_MOVE_DOWN]) { // CURSOR DOWN
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_DOWN();
AFTER_MOVE();
} else if (A == KEY_CONFIG[KEY_CURSOR_UP] || A == KEY_CONFIG[KEY_MOVE_UP]) { // CURSOR UP
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_UP();
AFTER_MOVE();
} else if (A == KEY_CONFIG[KEY_CYCLE_WEAPONS]) {
CYCLE_WEAPON();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_CYCLE_ITEMS]) {
CYCLE_ITEM();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_MOVE]) {
MOVE_OBJECT();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_SEARCH]) {
SEARCH_OBJECT();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_USE]) {
USE_ITEM();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_FIRE_UP]) {
FIRE_UP();
KEYTIMER = 20;
} else if (A == KEY_CONFIG[KEY_FIRE_LEFT]) {
FIRE_LEFT();
KEYTIMER = 20;
} else if (A == KEY_CONFIG[KEY_FIRE_DOWN]) {
FIRE_DOWN();
KEYTIMER = 20;
} else if (A == KEY_CONFIG[KEY_FIRE_RIGHT]) {
FIRE_RIGHT();
KEYTIMER = 20;
} else if (A == KEY_CONFIG[KEY_PAUSE]) { // RUN/STOP
done = PAUSE_GAME();
} else if (A == KEY_CONFIG[KEY_CHEAT]) { // SHIFT-C
CHEATER();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_MUSIC]) { // SHIFT-M
TOGGLE_MUSIC();
CLEAR_KEY_BUFFER();
}
#ifdef PLATFORM_LIVE_MAP_SUPPORT
else if (A == KEY_CONFIG[KEY_LIVE_MAP]) {
TOGGLE_LIVE_MAP();
CLEAR_KEY_BUFFER();
} else if (A == KEY_CONFIG[KEY_LIVE_MAP_ROBOTS]) {
TOGGLE_LIVE_MAP_ROBOTS();
CLEAR_KEY_BUFFER();
}
#endif
}
// SNES CONTROLLER starts here
if (B != 0) {
#ifdef INACTIVITY_TIMEOUT_GAME
INACTIVE_SECONDS = 0;
#endif
// first we start with the 4 directional buttons.
if ((CONTROL >= 2 && (B & Platform::JoystickPlay) == 0) ||
(CONTROL < 2 && (B & Platform::JoystickBlue) == 0)) {
if (CONTROL < 2 && B & Platform::JoystickRed) {
if (B & Platform::JoystickLeft) {
FIRE_LEFT();
KEYTIMER = 20;
} else if (B & Platform::JoystickRight) {
FIRE_RIGHT();
KEYTIMER = 20;
} else if (B & Platform::JoystickUp) {
FIRE_UP();
KEYTIMER = 20;
} else if (B & Platform::JoystickDown) {
FIRE_DOWN();
KEYTIMER = 20;
}
} else {
if (B & Platform::JoystickLeft) {
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_LEFT();
AFTER_MOVE_SNES();
} else if (B & Platform::JoystickRight) {
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_RIGHT();
AFTER_MOVE_SNES();
} else if (B & Platform::JoystickUp) {
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_UP();
AFTER_MOVE_SNES();
} else if (B & Platform::JoystickDown) {
UNIT = 0;
MOVE_TYPE = 1; // %00000001
REQUEST_WALK_DOWN();
AFTER_MOVE_SNES();
}
}
}
// Now check for non-repeating buttons
switch (CONTROL) {
case 3:
if (B & Platform::JoystickPlay) {
if (B & Platform::JoystickLeft) {
FIRE_LEFT();
KEYTIMER = 20;
}
if (B & Platform::JoystickRight) {
FIRE_RIGHT();
KEYTIMER = 20;
}
if (B & Platform::JoystickUp) {
FIRE_UP();
KEYTIMER = 20;
}
if (B & Platform::JoystickDown) {
FIRE_DOWN();
KEYTIMER = 20;
}
if (B & Platform::JoystickExtra) {
TOGGLE_MUSIC();
CLEAR_KEY_BUFFER();
}
#ifdef PLATFORM_LIVE_MAP_SUPPORT
if (B & Platform::JoystickYellow) {
TOGGLE_LIVE_MAP_ROBOTS();
CLEAR_KEY_BUFFER();
}
#endif
} else {
#ifdef PLATFORM_LIVE_MAP_SUPPORT
if (B & Platform::JoystickYellow) {
TOGGLE_LIVE_MAP();
CLEAR_KEY_BUFFER();
}
#endif
if (B & Platform::JoystickGreen) {
CYCLE_ITEM();
KEYTIMER = 15;
}
if (B & Platform::JoystickBlue) {
CYCLE_WEAPON();
KEYTIMER = 15;
}
if (B & Platform::JoystickRed) {
USE_ITEM();
KEYTIMER = 15;
}
if (B & Platform::JoystickReverse) {
SEARCH_OBJECT();
KEYTIMER = 15;
}
if (B & Platform::JoystickForward) {
MOVE_OBJECT();
KEYTIMER = 15;
}
if (B & Platform::JoystickExtra) {
done = PAUSE_GAME();
}
}
break;
case 2:
if (B & Platform::JoystickPlay) {
if (B & Platform::JoystickReverse) {
CYCLE_ITEM();
KEYTIMER = 15;
}
if (B & Platform::JoystickForward) {
CYCLE_WEAPON();
KEYTIMER = 15;
}
#ifdef PLATFORM_LIVE_MAP_SUPPORT
if (B & Platform::JoystickLeft) {
TOGGLE_LIVE_MAP();
CLEAR_KEY_BUFFER();
}
if (B & Platform::JoystickDown) {
TOGGLE_LIVE_MAP_ROBOTS();
CLEAR_KEY_BUFFER();
}
#endif
if (B & Platform::JoystickBlue) {
done = PAUSE_GAME();
}
if (B & Platform::JoystickRed) {
TOGGLE_MUSIC();
CLEAR_KEY_BUFFER();
}
#ifdef GAMEPAD_CD32
if (B == Platform::JoystickPlay) {
USE_ITEM();
KEYTIMER = 15;
}
#endif
} else {
if (B & Platform::JoystickGreen) {
FIRE_LEFT();
KEYTIMER = 20;
}
if (B & Platform::JoystickBlue) {
FIRE_RIGHT();
KEYTIMER = 20;
}
if (B & Platform::JoystickYellow) {
FIRE_UP();
KEYTIMER = 20;
}
if (B & Platform::JoystickRed) {
FIRE_DOWN();
KEYTIMER = 20;
}
if (B & Platform::JoystickReverse) {
SEARCH_OBJECT();
KEYTIMER = 15;
}
if (B & Platform::JoystickForward) {
MOVE_OBJECT();
KEYTIMER = 15;
}
#ifndef GAMEPAD_CD32
if (B == Platform::JoystickExtra) {
USE_ITEM();
KEYTIMER = 15;
}
#endif
}
break;
default:
if (B & Platform::JoystickBlue) {
if (B & Platform::JoystickLeft) {
CYCLE_ITEM();
KEYTIMER = 15;
}
if (B & Platform::JoystickRight) {
CYCLE_WEAPON();
KEYTIMER = 15;
}
if (B & Platform::JoystickUp) {
MOVE_OBJECT();
KEYTIMER = 15;
}
if (B & Platform::JoystickDown) {
SEARCH_OBJECT();
KEYTIMER = 15;
}
if (B == Platform::JoystickBlue) {
USE_ITEM();
KEYTIMER = 15;
}
}
break;
}
}
}
}
// This routine handles things that are in common to
// all 4 directions of movement.
void AFTER_MOVE_SNES()
{
if (MOVE_RESULT == 1) {
ANIMATE_PLAYER();
}
CACULATE_AND_REDRAW();
if (KEY_FAST == 0) {
KEYTIMER = 15;
KEY_FAST = 1;
} else {
KEYTIMER = 6;
}
}
void TOGGLE_MUSIC()
{
if (MUSIC_ON == 1) {
PRINT_INFO(MSG_MUSICOFF);
MUSIC_ON = 0;
#ifdef PLATFORM_MODULE_BASED_AUDIO
platform->playModule(Platform::ModuleSoundFX);
#else
platform->stopNote(); // turn off sound
#endif
} else {
PRINT_INFO(MSG_MUSICON);
MUSIC_ON = 1;
START_IN_GAME_MUSIC();
}
}
void START_IN_GAME_MUSIC()
{
#ifdef PLATFORM_MODULE_BASED_AUDIO
platform->playModule(MUSIC_ON == 1 ? LEVEL_MUSIC[SELECTED_MAP] : Platform::ModuleSoundFX);
#else
MUSIC_ON = 1;
if (SOUND_EFFECT == 0xFF) { // FF=NO sound effect in progress
DATA_LINE = 0;
CUR_PATTERN = IN_GAME_MUSIC1 + (LEVEL_MUSIC[SELECTED_MAP] << 8);
} else {
// apparently a sound-effect is active, so we do things differently.
DATA_LINE_TEMP = 0;
PATTERN_TEMP = IN_GAME_MUSIC1 + (LEVEL_MUSIC[SELECTED_MAP] << 8);
}
#endif
}
#ifdef PLATFORM_MODULE_BASED_AUDIO
Platform::Module LEVEL_MUSIC[] = {
Platform::ModuleInGame1,
Platform::ModuleInGame2,
Platform::ModuleInGame3,
Platform::ModuleInGame4,
Platform::ModuleInGame1,
Platform::ModuleInGame2,
Platform::ModuleInGame3,
Platform::ModuleInGame4,
Platform::ModuleInGame1,
Platform::ModuleInGame2,
Platform::ModuleInGame3,
Platform::ModuleInGame4,
Platform::ModuleInGame1,
Platform::ModuleInGame2
};
#else
uint8_t LEVEL_MUSIC[] = { 0,1,2,0,1,2,0,1,2,0,1,2,0,1 };
#endif
// TEMP ROUTINE TO GIVE ME ALL ITEMS AND WEAPONS
void CHEATER()
{
PLAY_SOUND(12);
KEYS = 7;
AMMO_PISTOL = 100;
AMMO_PLASMA = 100;
INV_BOMBS = 100;
INV_EMP = 100;
INV_MEDKIT = 100;
INV_MAGNET = 100;
SELECTED_WEAPON = 1;
SELECTED_ITEM = 1;
#ifdef PLATFORM_IMAGE_SUPPORT
REDRAW_WINDOW = 1;
#endif
DISPLAY_KEYS();
DISPLAY_WEAPON();
DISPLAY_ITEM();
}
bool PAUSE_GAME()
{
PLAY_SOUND(15);
// pause clock
CLOCK_ACTIVE = 0;
// display message to user
SCROLL_INFO();
PRINT_INFO(MSG_PAUSED);
// for (BGTIMER1 = 0; BGTIMER1 != 1;); // to prevent double-tap of run/stop
CLEAR_KEY_BUFFER();
platform->renderFrame();
while (!platform->quit) {
uint8_t A = platform->readKeyboard();
uint16_t B = platform->readJoystick(CONTROL >= 2 ? true : false);
if (A == KEY_CONFIG[KEY_PAUSE] || // RUN/STOP
A == KEY_CONFIG[KEY_NO] ||
(B & Platform::JoystickBlue)) { // N-KEY
SCROLL_INFO();
SCROLL_INFO();
SCROLL_INFO();
CLEAR_KEY_BUFFER();
CLOCK_ACTIVE = 1;
PLAY_SOUND(15);
return false;
} else if (A == KEY_CONFIG[KEY_YES] || (B & Platform::JoystickRed)) { // Y-KEY
UNIT_TYPE[0] = 0; // make player dead
PLAY_SOUND(15);
GOM4();
return true;
}
platform->renderFrame(true);
}
return false;
}
void CLEAR_KEY_BUFFER()
{
platform->clearKeyBuffer(); // CLEAR KEYBOARD BUFFER
KEYTIMER = 20;
}
void USE_ITEM()
{
// check select timeout to prevent accidental double-tap
if (SELECT_TIMEOUT != 0) {
return;
}
// First figure out which item to use.
switch (SELECTED_ITEM) {
case 1: // BOMB
USE_BOMB();
break;
case 2: // EMP
USE_EMP();
break;
case 3: // MEDKIT
USE_MEDKIT();
break;
case 4: // MAGNET
USE_MAGNET();
break;
default:
break;
}
}
void USE_BOMB()
{
#ifdef PLATFORM_CURSOR_SHAPE_SUPPORT
platform->setCursorShape(Platform::ShapeUse);
#endif
USER_SELECT_OBJECT();
// NOW TEST TO SEE IF THAT SPOT IS OPEN
if (BOMB_MAGNET_COMMON1()) {
// Now scan for any units at that location:
CHECK_FOR_UNIT();
if (UNIT_FIND == 255) { // 255 means no unit found.
for (int X = 28; X != 32; X++) { // Start of weapons units
if (UNIT_TYPE[X] == 0) {
UNIT_TYPE[X] = 6; // bomb AI
UNIT_TILE[X] = 130; // bomb tile
UNIT_LOC_X[X] = MAP_X;
UNIT_LOC_Y[X] = MAP_Y;
UNIT_TIMER_A[X] = 100; // How long until explosion?
UNIT_A[X] = 0;
INV_BOMBS--;
DISPLAY_ITEM();
REDRAW_WINDOW = 1;
SELECT_TIMEOUT = 3; // 3 cycles before next item can be used, pet version only
PLAY_SOUND(6); // SOUND PLAY
return;
}
}
return; // no slots available right now, abort.
}
}
BOMB_MAGNET_COMMON2();
}
void USE_MAGNET()
{
if (MAGNET_ACT != 0) { // only one magnet active at a time.
return;
}
#ifdef PLATFORM_CURSOR_SHAPE_SUPPORT
platform->setCursorShape(Platform::ShapeUse);
#endif
USER_SELECT_OBJECT();
// NOW TEST TO SEE IF THAT SPOT IS OPEN
if (BOMB_MAGNET_COMMON1()) {
for (int X = 28; X != 32; X++) { // Start of weapons units
if (UNIT_TYPE[X] == 0) {
UNIT_TYPE[X] = 20; // MAGNET AI
UNIT_TILE[X] = 134; // MAGNET tile
UNIT_LOC_X[X] = MAP_X;
UNIT_LOC_Y[X] = MAP_Y;
UNIT_TIMER_A[X] = 1; // How long until ACTIVATION
UNIT_TIMER_B[X] = 255; // how long does it live -A
UNIT_A[X] = 3; // how long does it live -B
MAGNET_ACT = 1; // only one magnet allowed at a time.
INV_MAGNET--;
DISPLAY_ITEM();
REDRAW_WINDOW = 1;
PLAY_SOUND(6); // move sound, SOUND PLAY
return;
}
}
return; // no slots available right now, abort.
}
BOMB_MAGNET_COMMON2();
}
bool BOMB_MAGNET_COMMON1()
{
#ifdef PLATFORM_CURSOR_SUPPORT
platform->hideCursor();
#else
CURSOR_ON = 0;
DRAW_MAP_WINDOW(); // ERASE THE CURSOR
#endif
MAP_X = CURSOR_X + MAP_WINDOW_X;
MOVTEMP_UX = MAP_X;
MAP_Y = CURSOR_Y + MAP_WINDOW_Y;
MOVTEMP_UY = MAP_Y;
GET_TILE_FROM_MAP();
return (TILE_ATTRIB[TILE] & 0x01) == 0x01; // %00000001 is that spot available for something to move onto it?
}
void BOMB_MAGNET_COMMON2()
{
PRINT_INFO(MSG_BLOCKED);
PLAY_SOUND(11); // ERROR SOUND, SOUND PLAY
}
void USE_EMP()
{
EMP_FLASH();
// REDRAW_WINDOW = 0; // attempt to delay window redrawing (pet only)
PLAY_SOUND(3); // EMP sound, SOUND PLAY
INV_EMP--;
DISPLAY_ITEM();
for (int X = 1; X != 28; X++) { // start with unit#1 (skip player)
if (UNIT_TYPE[X] != 0 && // CHECK THAT UNIT EXISTS
UNIT_LOC_X[X] >= MAP_WINDOW_X && // CHECK HORIZONTAL POSITION
UNIT_LOC_X[X] <= (MAP_WINDOW_X + PLATFORM_MAP_WINDOW_TILES_WIDTH - 1) && // NOW CHECK VERTICAL
UNIT_LOC_Y[X] >= MAP_WINDOW_Y &&
UNIT_LOC_Y[X] <= (MAP_WINDOW_Y + PLATFORM_MAP_WINDOW_TILES_HEIGHT - 1)) {
UNIT_TIMER_A[X] = 255;
// test to see if unit is above water
MAP_X = UNIT_LOC_X[X];
MAP_Y = UNIT_LOC_Y[X];
GET_TILE_FROM_MAP();
if (TILE == 204) { // WATER
UNIT_TYPE[X] = 5;
UNIT_TIMER_A[X] = 5;
UNIT_TIMER_B[X] = 3;
UNIT_A[X] = 60; // how long to show sparks.
UNIT_TILE[X] = 140; // Electrocuting tile
}
}
}
PRINT_INFO(MSG_EMPUSED);
SELECT_TIMEOUT = 3; // 3 cycles before next item can be used
}
void USE_MEDKIT()
{
if (UNIT_HEALTH[0] == 12) { // Do we even need the medkit?
return;
}
// Now figure out how many HP we need to be healthy.
TEMP_A = 12 - UNIT_HEALTH[0]; // how many we need.
if (INV_MEDKIT >= TEMP_A) {
// we had more than we need, so go to full health.
UNIT_HEALTH[0] = 12;
INV_MEDKIT -= TEMP_A;
} else {
// we had less than we need, so we'll use what is available.
UNIT_HEALTH[0] += INV_MEDKIT;
INV_MEDKIT = 0;
}
DISPLAY_PLAYER_HEALTH();
DISPLAY_ITEM();
PLAY_SOUND(2); // MEDKIT SOUND, SOUND PLAY
PRINT_INFO(MSG_MUCHBET);
}
void FIRE_UP()
{