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a2bejwld/a2bejwld/ui.c

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//
// ui.c
// a2bejwld
//
// Created by Jeremy Rand on 2016-07-20.
// Copyright © 2016 Jeremy Rand. All rights reserved.
//
#include <conio.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ui.h"
#include "anim.h"
#include "dbllores.h"
#include "game.h"
#include "joystick.h"
#include "machine.h"
#include "mouseWrapper.h"
#include "sound.h"
#include "text.h"
// Defines
#define SAVE_OPTIONS_FILE "A2BEJWLD.OPTS"
#define VERSION "v2.7"
#define OPTIONS_VERSION_UNSAVED 0
#define OPTIONS_VERSION_V2 2
#define OPTIONS_VERSION 3
#define OPTION_JOYSTICK_ENABLED (1 << 0)
#define OPTION_MOUSE_ENABLED (1 << 1)
#define OPTION_SOUND_ENABLED (1 << 2)
#define OPTION_MOCKINGBOARD_ENABLED (1 << 3)
#define OPTION_MOCKINGBOARD_SPEECH_ENABLED (1 << 4)
// Typedefs
typedef struct tGameOptionsV2 {
uint8_t optionsVersion;
bool enableJoystick;
bool enableMouse;
bool enableSound;
bool enableMockingboard;
bool enableMockingboardSpeech;
} tGameOptionsV2;
typedef struct tGameOptions {
uint8_t optionsVersion;
uint8_t flags;
char upChar;
char downChar;
char leftChar;
char rightChar;
} tGameOptions;
// Forward delcarations
static void refreshSquare(tSquare square);
static void refreshScore(tScore score);
static void refreshLevel(tLevel level);
static bool joystickChangedCallback(tJoyState *oldState, tJoyState *newState);
static bool joystickNoChangeCallback(tJoyState *oldState);
static bool mouseSelectSquare(tSquare square);
static bool swapDir(tDirection dir);
// Globals
static tSquare gSelectedSquare = 0;
static uint8_t gScoreBar = 0;
static tGameCallbacks gCallbacks = {
refreshSquare,
refreshScore,
refreshLevel,
beginClearGemAnim,
addClearAtSquare,
undoClearAtSquare,
playSoundForExplodingGem,
playSoundForStarringGem,
playSoundForSpecialGem,
endClearGemAnim,
swapSquares,
beginDropAnim,
dropSquareFromTo,
dropSquareFromOffscreen,
endDropAnim,
speakGood,
speakExcellent,
speakIncredible
};
static tJoyCallbacks gJoyCallbacks = {
joystickChangedCallback,
joystickNoChangeCallback,
25, // Read poll time
40, // Initial no change poll time
10 // Subsequent no change poll time
};
static tMouseCallbacks gMouseCallbacks = {
mouseSelectSquare,
swapDir,
};
static bool gShouldSave = false;
static tGameOptions gGameOptions = {
OPTIONS_VERSION_UNSAVED, // optionsVersion
(OPTION_MOUSE_ENABLED | OPTION_SOUND_ENABLED | OPTION_MOCKINGBOARD_ENABLED | OPTION_MOCKINGBOARD_SPEECH_ENABLED), // flags
'I', // upChar
'M', // downChar
'J', // leftChar
'K' // rightChar
};
// Implementation
static void printChar (char ch)
{
if (ch == '\n')
ch = '\r';
ch |= 0x80;
cout(ch);
}
static void printString(char * buffer)
{
char ch;
while (*buffer != '\0') {
ch = *buffer;
printChar(ch);
buffer++;
}
}
static void printInteger(uint16_t val)
{
static char buffer[7];
snprintf(buffer, sizeof(buffer), "%u", val);
printString(buffer);
}
static void badThingHappened(void)
{
if ((gGameOptions.flags & OPTION_SOUND_ENABLED) != 0)
printString("\007");
}
static void showAndClearDblLoRes(void)
{
showDblLoRes();
clearDblLoRes();
}
static void saveOptions(void)
{
FILE *optionsFile = fopen(SAVE_OPTIONS_FILE, "wb");
if (optionsFile != NULL) {
gGameOptions.optionsVersion = OPTIONS_VERSION;
fwrite(&gGameOptions, sizeof(gGameOptions), 1, optionsFile);
fclose(optionsFile);
}
}
static bool loadOptions(void)
{
FILE *optionsFile = fopen(SAVE_OPTIONS_FILE, "rb");
if (optionsFile == NULL) {
return false;
}
if (fread(&gGameOptions, sizeof(gGameOptions), 1, optionsFile) != 1) {
fclose(optionsFile);
return false;
}
fclose(optionsFile);
// If we are upgrading from v1 to v2 of the options file, then:
// - Force the mouse option on. This option is now only used to disable the mouse when one is
// present. When no mouse is installed, this option does nothing.
// - There used to be a tSlot of the mockingboard where we now have the enableMockingboard boolean.
// Overwrite it with true, forcing mockingboard sound to be on if one is detected.
// - There used to be a boolean to enable/disable the speech chip on the mockingboard. It was only
// true if the user enabled it. Now that we can detect the speech chip, the value is default true
// and the user can disable speech if they want.
if (gGameOptions.optionsVersion < OPTIONS_VERSION) {
tGameOptionsV2 * oldOptions = (tGameOptionsV2 *)&gGameOptions;
if (oldOptions->enableJoystick)
gGameOptions.flags = OPTION_JOYSTICK_ENABLED;
else
gGameOptions.flags = 0;
if (oldOptions->enableMouse)
gGameOptions.flags |= OPTION_MOUSE_ENABLED;
if (oldOptions->enableSound)
gGameOptions.flags |= OPTION_SOUND_ENABLED;
if (oldOptions->enableMockingboard)
gGameOptions.flags |= OPTION_MOCKINGBOARD_ENABLED;
if (oldOptions->enableMockingboardSpeech)
gGameOptions.flags |= OPTION_MOCKINGBOARD_SPEECH_ENABLED;
if (gGameOptions.optionsVersion < OPTIONS_VERSION_V2)
gGameOptions.flags |= (OPTION_MOUSE_ENABLED | OPTION_MOCKINGBOARD_ENABLED | OPTION_MOCKINGBOARD_SPEECH_ENABLED);
gGameOptions.upChar = 'I';
gGameOptions.downChar = 'M';
gGameOptions.leftChar = 'J';
gGameOptions.rightChar = 'K';
gGameOptions.optionsVersion = OPTIONS_VERSION;
}
return true;
}
static void applyNewOptions(tGameOptions *newOptions)
{
// If there is no change in game options, then nothing to do.
if (memcmp(newOptions, &gGameOptions, sizeof(gGameOptions)) == 0) {
return;
}
printString("\n\n\n Saving options...");
if ((gGameOptions.flags & (OPTION_SOUND_ENABLED | OPTION_MOCKINGBOARD_ENABLED | OPTION_MOCKINGBOARD_SPEECH_ENABLED)) !=
(newOptions->flags & (OPTION_SOUND_ENABLED | OPTION_MOCKINGBOARD_ENABLED | OPTION_MOCKINGBOARD_SPEECH_ENABLED))) {
// If the sound parameters have changed, then re-init sounds
soundInit(((newOptions->flags & OPTION_SOUND_ENABLED) != 0),
((newOptions->flags & OPTION_MOCKINGBOARD_ENABLED) != 0),
((newOptions->flags & OPTION_MOCKINGBOARD_SPEECH_ENABLED) !=0));
}
memcpy(&gGameOptions, newOptions, sizeof(gGameOptions));
gGameOptions.optionsVersion = OPTIONS_VERSION_UNSAVED;
saveOptions();
}
static void showCursor(void)
{
cout(0x20);
}
static void replaceCursor(char ch)
{
cout(CH_CURS_LEFT);
printChar(ch);
}
static char getKey(void)
{
return toupper(cgetc());
}
static bool yorn(void)
{
char ch;
bool result = true;
showCursor();
while (true) {
ch = getKey();
if (ch == 'N') {
result = false;
break;
}
if (ch == 'Y')
break;
badThingHappened();
}
replaceCursor(ch);
return result;
}
static void getSoundOptions(tGameOptions *newOptions)
{
tSlot slot;
printString("\n\nEnable sounds? (Y/N) ");
if (yorn()) {
newOptions->flags |= OPTION_SOUND_ENABLED;
} else {
newOptions->flags &= ~OPTION_SOUND_ENABLED;
return;
}
// If no mockingboard present, don't bother to ask whether to enable/disable it.
slot = mockingBoardSlot();
if (slot == 0)
return;
printString("\nEnable MockingBoard sound found in slot ");
printInteger(slot);
printString("? (Y/N) ");
if (yorn()) {
newOptions->flags |= OPTION_MOCKINGBOARD_ENABLED;
} else {
newOptions->flags &= ~OPTION_MOCKINGBOARD_ENABLED;
return;
}
// If the mockingboard does not have a speech chip, do not prompt whether to
// enable/disable it.
if (!mockingBoardHasSpeechChip())
return;
printString("\nEnable speech on the Mockingboard? (Y/N) ");
if (yorn()) {
newOptions->flags |= OPTION_MOCKINGBOARD_SPEECH_ENABLED;
} else {
newOptions->flags &= ~OPTION_MOCKINGBOARD_SPEECH_ENABLED;
}
}
static char getKeyDirection(char *dir, char current, char other1, char other2, char other3)
{
char ch;
printString("\nKey for ");
printString(dir);
printString(" movement (current ");
printChar(current);
printString(") ");
showCursor();
while (true) {
ch = getKey();
if ((isalnum(ch)) &&
(ch != 'Q') &&
(ch != 'R') &&
(ch != 'O') &&
(ch != 'H') &&
(ch != other1) &&
(ch != other2) &&
(ch != other3))
break;
badThingHappened();
}
replaceCursor(ch);
return ch;
}
static void getKeyboardOptions(tGameOptions *newOptions)
{
printChar('\n');
newOptions->upChar = getKeyDirection("up", newOptions->upChar, 0, 0, 0);
newOptions->downChar = getKeyDirection("down", newOptions->downChar, newOptions->upChar, 0, 0);
newOptions->leftChar = getKeyDirection("left", newOptions->leftChar, newOptions->upChar, newOptions->downChar, 0);
newOptions->rightChar = getKeyDirection("right", newOptions->rightChar, newOptions->upChar, newOptions->downChar, newOptions->leftChar);
}
static void selectOptions(void)
{
tGameOptions newOptions;
unshowDblLoRes();
videomode(0x12);
clrscr();
memcpy(&newOptions, &gGameOptions, sizeof(newOptions));
while (true) {
bool enableSound = ((newOptions.flags & OPTION_SOUND_ENABLED) != 0);
bool enableMockingboard = ((newOptions.flags & OPTION_MOCKINGBOARD_ENABLED) != 0);
clrscr();
printString(
// 0000000001111111111222222222233333333334444444444555555555566666666667
// 1234567890123456789012345678901234567890123456789012345678901234567890
" Apple // Bejeweled\n"
" Options\n"
"\n"
" K - Keyboard control - ");
printChar(newOptions.upChar);
printChar('\n');
printString(" ");
printChar(newOptions.leftChar);
printChar(' ');
printChar(newOptions.rightChar);
printChar('\n');
printString(" ");
printChar(newOptions.downChar);
printChar('\n');
printString(
" J - Joystick control - ");
printString(((newOptions.flags & OPTION_JOYSTICK_ENABLED) != 0) ? "Enabled\n" : "Disabled\n");
if (hasMouse())
{
printString(
" M - Mouse control - ");
printString(((newOptions.flags & OPTION_MOUSE_ENABLED) != 0) ? "Enabled\n" : "Disabled\n");
}
printString(
" S - Sound - ");
printString(enableSound ? "Enabled\n" : "Disabled\n");
if (enableSound) {
tSlot slot = mockingBoardSlot();
if (slot != 0) {
printString(
// 0000000001111111111222222222233333333334444444444555555555566666666667
// 1234567890123456789012345678901234567890123456789012345678901234567890
" MockingBoard - ");
printString(enableMockingboard ? "Enabled (Slot " : "Disabled (Slot ");
printInteger(slot);
printString(")\n");
if ((enableMockingboard) &&
(mockingBoardHasSpeechChip()))
{
printString(
// 0000000001111111111222222222233333333334444444444555555555566666666667
// 1234567890123456789012345678901234567890123456789012345678901234567890
" Speech - ");
printString(((newOptions.flags & OPTION_MOCKINGBOARD_SPEECH_ENABLED) != 0) ? "Enabled\n" : "Disabled\n");
}
}
}
printString(
// 0000000001111111111222222222233333333334444444444555555555566666666667
// 1234567890123456789012345678901234567890123456789012345678901234567890
"\n"
" Type a letter to change a setting or any other key to save settings\n"
" and continue");
switch (getKey()) {
case 'J':
newOptions.flags ^= OPTION_JOYSTICK_ENABLED;
break;
case 'S':
getSoundOptions(&newOptions);
break;
case 'K':
getKeyboardOptions(&newOptions);
break;
case 'M':
if (hasMouse()) {
newOptions.flags ^= OPTION_MOUSE_ENABLED;
break;
}
// Fall through. If no mouse, then pressing m is a fall through into the save code.
default:
applyNewOptions(&newOptions);
clrscr();
return;
}
}
}
void printInstructions(void)
{
int seed = 0;
unshowDblLoRes();
videomode(0x12);
clrscr();
printString(
// 0000000001111111111222222222233333333334444444444555555555566666666667
// 1234567890123456789012345678901234567890123456789012345678901234567890
" Apple // Bejeweled (" VERSION ")\n"
" by Jeremy Rand\n"
"\n"
" Use ");
printChar(gGameOptions.upChar);
printChar('-');
printChar(gGameOptions.leftChar);
printChar('-');
printChar(gGameOptions.rightChar);
printChar('-');
printChar(gGameOptions.downChar);
printString(
" the arrow keys, joystick or mouse to move your selection.\n"
" Hold either apple key, joystick or mouse button and move your selection\n"
" to swap two jewels and match 3 or more jewels. When you match three\n"
" jewels, they disappear and new jewels will drop from the top.\n"
"\n"
" If you match four jewels or three jewels in two directions, then the\n"
" jewel does not disappear. Match it again and it explodes taking more\n"
" jewels with it. Match five jewels and a special jewel will appear.\n"
" Swap it with any other jewel and all jewels of that colour will\n"
" disappear.\n"
"\n"
" When the score bar on the right fills, the board reloads and you level\n"
" up. Play ends when no more matches can be made.\n"
"\n"
" Press Q or escape to quit at any time.\n"
" Press R to start a new game.\n"
" Press O to select options.\n"
" Press H to get a hint.\n"
" Press ? to see this info again.\n"
"\n"
" Press any key to start");
// The amount of time the user waits to read the in
while (!kbhit())
seed++;
srand(seed);
switch (getKey()) {
case 'O':
selectOptions();
break;
default:
break;
}
clrscr();
}
static void refreshSquare(tSquare square)
{
drawBgSquare(square);
drawGemAtSquare(square);
if (gemIsStarredAtSquare(square))
starGem(square);
}
static void drawBoard(void)
{
tSquare square;
for (square = MIN_SQUARE; square <= MAX_SQUARE; square++) {
refreshSquare(square);
}
selectSquare(gSelectedSquare);
moveMouseToSquare(gSelectedSquare);
drawScore(gScoreBar);
}
static void quitGame(void)
{
unshowDblLoRes();
videomode(0x11);
clrscr();
shutdownMouse();
soundShutdown();
uninitMachine();
exit(0);
}
static void moveDir(tDirection dir)
{
tSquare oldSquare = gSelectedSquare;
tPos x = SQUARE_TO_X(gSelectedSquare);
tPos y = SQUARE_TO_Y(gSelectedSquare);
switch (dir) {
case DIR_UP:
if (y == 0)
y = BOARD_SIZE - 1;
else
y--;
break;
case DIR_DOWN:
if (y == BOARD_SIZE - 1)
y = 0;
else
y++;
break;
case DIR_LEFT:
if (x == 0)
x = BOARD_SIZE - 1;
else
x--;
break;
case DIR_RIGHT:
if (x == BOARD_SIZE - 1)
x = 0;
else
x++;
break;
}
gSelectedSquare = XY_TO_SQUARE(x, y);
refreshSquare(oldSquare);
selectSquare(gSelectedSquare);
moveMouseToSquare(gSelectedSquare);
}
static void moveTwoDirs(tDirection dir1, tDirection dir2)
{
tSquare oldSquare = gSelectedSquare;
tPos x = SQUARE_TO_X(gSelectedSquare);
tPos y = SQUARE_TO_Y(gSelectedSquare);
switch (dir1) {
case DIR_UP:
if (y == 0)
y = BOARD_SIZE - 1;
else
y--;
break;
case DIR_DOWN:
if (y == BOARD_SIZE - 1)
y = 0;
else
y++;
break;
}
switch (dir2) {
case DIR_LEFT:
if (x == 0)
x = BOARD_SIZE - 1;
else
x--;
break;
case DIR_RIGHT:
if (x == BOARD_SIZE - 1)
x = 0;
else
x++;
break;
}
gSelectedSquare = XY_TO_SQUARE(x, y);
refreshSquare(oldSquare);
selectSquare(gSelectedSquare);
moveMouseToSquare(gSelectedSquare);
}
static bool swapDir(tDirection dir)
{
bool result = false;
tPos x = SQUARE_TO_X(gSelectedSquare);
tPos y = SQUARE_TO_Y(gSelectedSquare);
switch (dir) {
case DIR_UP:
if (y == 0) {
badThingHappened();
return result;
}
break;
case DIR_DOWN:
if (y == BOARD_SIZE - 1) {
badThingHappened();
return result;
}
break;
case DIR_LEFT:
if (x == 0) {
badThingHappened();
return result;
}
break;
case DIR_RIGHT:
if (x == BOARD_SIZE - 1) {
badThingHappened();
return result;
}
break;
}
resetStarAnim();
result = moveSquareInDir(gSelectedSquare, dir);
selectSquare(gSelectedSquare);
if (result)
gShouldSave = true;
return result;
}
static void endGame(void)
{
char ch;
videomode(0x12);
mixedTextMode();
speakNoMoreMoves();
printString(" No more moves - GAME OVER!!\n"
" You made it to level ");
printInteger(getLevel());
printString("\n"
" Play again (Y/N)? ");
showCursor();
while (true) {
ch = getKey();
switch (ch) {
case 'Y':
replaceCursor(ch);
printString("\n");
return;
case 'N':
case CH_ESC:
case 'Q':
replaceCursor(ch);
quitGame();
break;
default:
badThingHappened();
break;
}
}
}
static void refreshScore(tScore score)
{
if (score == gScoreBar)
return;
gScoreBar = score;
drawScore(score);
}
static void refreshLevel(tLevel level)
{
bool waiting = true;
videomode(0x12);
mixedTextMode();
speakLevelComplete();
printString("\n"
" Completed level ");
printInteger(level);
printString("!!\n"
" Press space to continue to the next level...");
while (waiting) {
switch (cgetc()) {
case ' ':
waiting = false;
break;
default:
badThingHappened();
break;
}
}
printString("\n");
showAndClearDblLoRes();
speakGetReady();
}
static void getHint(void)
{
refreshSquare(gSelectedSquare);
gSelectedSquare = getHintSquare();
selectSquare(gSelectedSquare);
moveMouseToSquare(gSelectedSquare);
}
void initUI(void)
{
bool optionsLoaded;
initMachine();
optionsLoaded = loadOptions();
soundInit(((gGameOptions.flags & OPTION_SOUND_ENABLED) != 0),
((gGameOptions.flags & OPTION_MOCKINGBOARD_ENABLED) != 0),
((gGameOptions.flags & OPTION_MOCKINGBOARD_SPEECH_ENABLED) != 0));
initGameEngine(&gCallbacks);
initMouse(&gMouseCallbacks);
initJoystick(&gJoyCallbacks);
if (gGameOptions.optionsVersion == OPTIONS_VERSION_UNSAVED) {
saveOptions();
}
}
static bool mouseSelectSquare(tSquare square)
{
refreshSquare(gSelectedSquare);
gSelectedSquare = square;
selectSquare(gSelectedSquare);
return false;
}
static void joystickMove(tJoyPos position)
{
switch (position) {
case JOY_POS_DOWN:
moveDir(DIR_DOWN);
break;
case JOY_POS_DOWN_LEFT:
moveTwoDirs(DIR_DOWN, DIR_LEFT);
break;
case JOY_POS_LEFT:
moveDir(DIR_LEFT);
break;
case JOY_POS_UP_LEFT:
moveTwoDirs(DIR_UP, DIR_LEFT);
break;
case JOY_POS_UP:
moveDir(DIR_UP);
break;
case JOY_POS_UP_RIGHT:
moveTwoDirs(DIR_UP, DIR_RIGHT);
break;
case JOY_POS_RIGHT:
moveDir(DIR_RIGHT);
break;
case JOY_POS_DOWN_RIGHT:
moveTwoDirs(DIR_DOWN, DIR_RIGHT);
break;
default:
case JOY_POS_CENTER:
break;
}
}
static bool joystickChangedCallback(tJoyState *oldState, tJoyState *newState)
{
if (oldState->position != JOY_POS_CENTER)
return false;
if (newState->button) {
switch (newState->position) {
case JOY_POS_UP:
return swapDir(DIR_UP);
case JOY_POS_DOWN:
return swapDir(DIR_DOWN);
case JOY_POS_LEFT:
return swapDir(DIR_LEFT);
case JOY_POS_RIGHT:
return swapDir(DIR_RIGHT);
default:
break;
}
return false;
}
joystickMove(newState->position);
return false;
}
static bool joystickNoChangeCallback(tJoyState *oldState)
{
if (oldState->button)
return false;
joystickMove(oldState->position);
return false;
}
static bool pollKeyboard(void)
{
bool result = false;
uint8_t ch;
if (!kbhit())
return result;
ch = getKey();
if (ch == gGameOptions.upChar)
ch = 0x0b;
else if (ch == gGameOptions.downChar)
ch = 0x0a;
else if (ch == gGameOptions.leftChar)
ch = CH_CURS_LEFT;
else if (ch == gGameOptions.rightChar)
ch = CH_CURS_RIGHT;
if ((ch < 128) &&
(isButtonPressed()))
ch += 128;
switch (ch) {
// case CH_CURS_UP:
case 0x0b:
moveDir(DIR_UP);
break;
case 139:
result = swapDir(DIR_UP);
break;
case CH_CURS_LEFT:
moveDir(DIR_LEFT);
break;
case 136:
result = swapDir(DIR_LEFT);
break;
case CH_CURS_RIGHT:
moveDir(DIR_RIGHT);
break;
case 149:
result = swapDir(DIR_RIGHT);
break;
// case CH_CURS_DOWN:
case 0x0a:
moveDir(DIR_DOWN);
break;
case 138:
result = swapDir(DIR_DOWN);
break;
case CH_ESC:
case 'Q':
if (gShouldSave) {
videomode(0x12);
mixedTextMode();
printString("\nSaving your game so you can continue\n later...");
saveGame();
}
quitGame();
break;
case 'R':
refreshScore(0);
startNewGame();
gShouldSave = false;
return true;
case 'O':
selectOptions();
showAndClearDblLoRes();
drawBoard();
break;
case 'H':
getHint();
break;
case '?':
printInstructions();
showAndClearDblLoRes();
drawBoard();
break;
default:
badThingHappened();
break;
}
return result;
}
void playGame(void)
{
bool gameLoaded = false;
uint8_t ch;
gScoreBar = 0;
gShouldSave = false;
printString("\n\nChecking for a saved game...");
if (loadGame()) {
bool loadSavedGame = false;
printString("\n\nYou have a saved game!\n Would you like to continue it (Y/N) ");
loadSavedGame = yorn();
if (loadSavedGame) {
printString("\n\nLoading your saved puzzle");
gShouldSave = true;
gameLoaded = true;
}
}
showAndClearDblLoRes();
if (!gameLoaded) {
startNewGame();
}
drawBoard();
speakGo();
while (true) {
if (gameIsOver()) {
endGame();
showAndClearDblLoRes();
refreshScore(0);
startNewGame();
gShouldSave = false;
}
resetStarAnim();
while (true) {
doStarAnim();
if (pollKeyboard()) {
break;
}
if (((gGameOptions.flags & OPTION_JOYSTICK_ENABLED) != 0) &&
(pollJoystick())) {
break;
}
if (((gGameOptions.flags & OPTION_MOUSE_ENABLED) != 0) &&
(pollMouse())) {
break;
}
}
}
}
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