1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450
|
/* $Id: BurgerSpaceServer.h,v 1.6 2013/02/25 05:04:43 sarrazip Exp $
BurgerSpaceServer.h - Main engine
burgerspace - A hamburger-smashing video game.
Copyright (C) 2001-2013 Pierre Sarrazin <http://sarrazip.com/>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef _H_BurgerSpaceServer
#define _H_BurgerSpaceServer
#include "IngredientGroup.h"
#include "IngredientSprite.h"
#include "Controller.h"
#include <flatzebra/GameEngine.h>
#include <flatzebra/Sprite.h>
#include <flatzebra/SoundMixer.h>
#include <flatzebra/KeyState.h>
#include <string>
#include <iostream>
class BurgerSpaceServerInterface
{
public:
virtual ~BurgerSpaceServerInterface() {}
virtual void startNewGame() = 0;
virtual bool isPaused() const = 0;
virtual void pauseGame() = 0;
virtual void resumeGame() = 0;
virtual void setChefRequest(const bool desiredDirections[4], bool shootPepper) = 0;
virtual void setEnemyRequest(const bool desiredDirections[4]) = 0;
// Returns true if the game must continue, or false to have it stop.
virtual bool update() = 0;
virtual void disconnect() = 0;
// Must return true for success, or false for failure.
virtual bool saveGame(std::ostream &out) = 0;
// Must return 0 for success, or a negative error code for failure.
virtual int loadGame(std::istream &in) = 0;
};
class BurgerSpaceServer : public BurgerSpaceServerInterface
{
public:
BurgerSpaceServer(int initLevelNumber, bool _oldMotionMode) throw(int, std::string);
void finishInit(); // must be called after constructor -- calls virtual functions
virtual ~BurgerSpaceServer();
// Returns true if the game must continue, or false to have it stop.
virtual bool update();
enum SpriteType
{
NO_SPRITE,
CHEF,
PEPPER,
EGG,
HOTDOG,
PICKLE,
TOP_BUN,
LETTUCE,
MEAT,
RED_STUFF,
YELLOW_STUFF,
BOTTOM_BUN,
TREAT,
DIGIT,
};
enum SoundEffect
{
ingredientBouncesSound,
ingredientInPlateSound,
ingredientFallsSound,
ingredientLoweredSound,
enemyCatchesChefSound,
enemyParalyzedSound,
enemySmashedSound,
chefThrowsPepperSound,
chefGetsTreatSound,
chefShootsBlanksSound,
newGameStartsSound,
levelFinishedSound,
treatAppearsSound,
treatDisappearsSound,
};
virtual void updateLevel(int levelNo, size_t numRows, size_t numColumns,
flatzebra::Couple levelPos, const std::string &desc) = 0;
// Calls virtual method updateLevel() with parameters
// taken from the current level.
void sendLevelUpdate();
// Calls virtual method updateScore() with parameters
// taken from the current game state, and passed true
// for 'forceTransmission'.
void sendScoreUpdate();
// pixmapIndex is allowed to be size_t(-1) to indicate that the sprite
// must not be displayed.
virtual void updateSprite(uint32_t id, SpriteType type, flatzebra::Couple pos, size_t pixmapIndex) = 0;
virtual void notifySpriteDeletion(uint32_t id) = 0;
virtual void updateScore(long theScore, int numLives, int numAvailablePeppers,
int cumulLevelNo, bool forceTransmission) = 0;
virtual void playSoundEffect(SoundEffect se) = 0;
virtual EnemyType chooseEnemyType();
virtual bool isUserControlledEnemy(const flatzebra::Sprite &s) const;
// Inherited from BurgerSpaceServerInterface:
virtual void startNewGame();
virtual bool isPaused() const;
virtual void pauseGame();
virtual void resumeGame();
virtual void setChefRequest(const bool desiredDirections[4], bool shootPepper);
virtual void setEnemyRequest(const bool desiredDirections[4]);
private:
///////////////////////////////////////////////////////////////////////////
//
// LOCAL TYPES, CLASSES AND CONSTANTS
//
//
struct IntPair
{
int first, second;
};
struct IntQuad
{
int first, second, third, fourth;
};
public:
class Level
{
public:
Level();
~Level();
void init(int no, int nCols, int nRows, flatzebra::Couple posInPixels);
void setLevelNo(int no);
int getLevelNo() const;
void setTileMatrixEntry(int colNo, int rowNo,
const char **xpm, SDL_Surface *pixmap);
SDL_Surface **getTileMatrixRow(int rowNo);
const char **getXPMAtPixel(flatzebra::Couple pos) const;
void setTextDescription(const std::string &desc);
std::string getTextDescription() const;
public:
flatzebra::Couple sizeInTiles;
flatzebra::Couple sizeInPixels;
flatzebra::Couple positionInPixels;
private:
int levelNo;
const char ***xpmMatrix; // array of 'const char **' pointers
SDL_Surface **tileMatrix; // array of X11 pixmaps
std::string desc; // see BurgerSpaceServer::loadLevel()
// Forbidden operations:
Level(const Level &);
Level &operator = (const Level &);
};
protected:
class IngInit
{
public:
enum IngType
{
BOTTOM_BUN, MEAT, LETTUCE, RED_STUFF, YELLOW_STUFF, TOP_BUN
/* The red stuff is a slice of tomato, and the yellow stuff
is cheese. This was not known at the time when this
enumeration was defined...
*/
};
int xInitTile, yInitTile, yTargetTile, rank;
IngType type;
};
///////////////////////////////////////////////////////////////////////////
//
// DATA MEMBERS
//
//
static const char
*levelDescriptor1[],
*levelDescriptor2[],
*levelDescriptor3[],
*levelDescriptor4[],
*levelDescriptor5[],
*levelDescriptor6[];
static const char **levelDescriptorTable[];
static const IngInit
tableIngredientsLevel1[],
tableIngredientsLevel2[],
tableIngredientsLevel3[],
tableIngredientsLevel4[],
tableIngredientsLevel5[],
tableIngredientsLevel6[];
static const IngInit *tableOfTablesOfIngredientsLevel[];
static const IntQuad enemyStartingHeights[];
static const IntPair playerStartingPos[];
flatzebra::Couple theScreenSizeInPixels;
int initLevelNo; // level number at which play starts
int cumulLevelNo;
enum RequestType { NO_REQUEST, START_GAME_REQUEST, PAUSE_REQUEST, RESUME_REQUEST };
RequestType currentRequest;
bool paused;
unsigned long tickCount;
/* PLAYER:
*/
flatzebra::Couple initPlayerPos; // initial player position in a level
flatzebra::PixmapArray playerPA;
flatzebra::Sprite *playerSprite;
int lastPlayerDirection;
bool oldMotionMode;
bool desiredDirs[4];
bool chefWantsToShootPepper;
flatzebra::PixmapArray pepperPA;
flatzebra::SpriteList pepperSprites;
/* ENEMIES:
*/
unsigned long timeForNewEnemy;
// tick count at which a new enemy must be created;
// 0 means none
flatzebra::PixmapArray eggPA;
flatzebra::PixmapArray hotdogPA;
flatzebra::PixmapArray picklePA;
flatzebra::SpriteList enemySprites;
unsigned enemyTypeCounter; // used to generate new enemy sprites
int requestedEnemyDirection; // RIGHT, UP, LEFT, DOWN, or -1 for none
/* INGREDIENTS:
*/
flatzebra::PixmapArray topBunPA;
flatzebra::PixmapArray lettucePA;
flatzebra::PixmapArray meatPA;
flatzebra::PixmapArray redStuffPA;
flatzebra::PixmapArray yellowStuffPA;
flatzebra::PixmapArray bottomBunPA;
IngredientSprite::List ingredientSprites; // owns the contained objects
IngredientGroup::List ingredientGroups;
// contained objects must come from 'new'
/* TREATS (icecream, etc, that the player eats to get a pepper):
*/
flatzebra::PixmapArray treatPA;
flatzebra::SpriteList treatSprites;
int timeForTreat;
/* DIGITS:
*/
flatzebra::PixmapArray digitPA;
flatzebra::SpriteList scoreSprites;
int numHamburgersToDo;
long thePeakScore; // player's best score yet in this game
long theScore; // player's score in points
bool celebrationMode; // used when player has just won the level
int numLives; // number of player lives left
int numAvailablePeppers; // number of pepper shots available to player
Level theCurrentLevel;
///////////////////////////////////////////////////////////////////////////
//
// IMPLEMENTATION FUNCTIONS
//
//
void chooseDirectionAmongMany(bool directions[4]) const;
int chooseDirectionTowardTarget(
flatzebra::Couple startPos, flatzebra::Couple targetPos, int speedFactor,
const bool allowedDirections[4]) const;
void getPlayerDesiredDirections(bool desiredDirs[4]) const;
bool animatePlayer();
void animateAutomaticCharacters();
void detectCollisions();
void drawSprites();
void putSprite(const flatzebra::Sprite &s);
void showInstructions();
void initGameParameters();
void initNextLevel(int levelNo = 0) throw(int);
void resetPlay();
int isPositionAtSideOfStructure(flatzebra::Couple pos) const;
void animateTemporarySprites(flatzebra::SpriteList &slist) const;
void givePlayerPepper();
void makePlayerWin();
void makePlayerDie();
void releaseAllCarriedEnemies();
void detectEnemyCollisions(flatzebra::SpriteList &slist);
void detectCollisionBetweenIngredientGroupAndEnemyList(
const IngredientGroup &aGroup, flatzebra::SpriteList &enemies);
bool ingredientGroupCollidesWithSprite(
const flatzebra::Couple groupPos, const flatzebra::Couple groupSize,
const flatzebra::Sprite &s) const;
void loadLevel(int levelNo) throw(std::string);
void displayErrorMessage(const std::string &msg) throw();
void createPlayerSprite();
void initializeSprites() throw(flatzebra::PixmapLoadError);
void initializeMisc() throw(std::string);
void deleteSprite(flatzebra::Sprite *s) const;
void deleteSprites(flatzebra::SpriteList &sl) const;
void deleteSprites(IngredientSprite::List &isl) const;
IngredientGroup *findIngredientGroupRightBelow(
const IngredientGroup &upperGroup);
bool isIngredientSpriteOnFloor(const IngredientSprite &s) const;
bool spriteTouchesIngredientGroup(
const flatzebra::Sprite &s, const IngredientGroup &g) const;
size_t carryEnemies(IngredientGroup &g);
size_t carryEnemiesInList(IngredientGroup &g, flatzebra::SpriteList &slist);
size_t releaseCarriedEnemies(IngredientGroup &g);
void createScoreSprites(long n, flatzebra::Couple center);
void loadPixmaps() throw(flatzebra::PixmapLoadError);
void moveEnemyList(flatzebra::SpriteList &slist, int speedFactor);
flatzebra::Couple getDistanceToPerfectPos(const flatzebra::Sprite &s) const;
bool isSpriteOnFloor(const flatzebra::Sprite &s) const;
flatzebra::Couple determineAllowedDirections(const flatzebra::Sprite &s,
int speedFactor, int tolerance,
bool allowedDirections[4]) const;
flatzebra::Couple attemptMove(const flatzebra::Sprite &s, bool attemptLeft, bool attemptRight,
bool attemptUp, bool attemptDown,
int speedFactor) const;
bool positionAllowsLeftMovement(flatzebra::Couple pos, flatzebra::Couple size) const;
bool positionAllowsRightMovement(flatzebra::Couple pos, flatzebra::Couple size) const;
bool spriteBottomCenterIsOnLadder(const flatzebra::Sprite &s) const;
bool spriteBottomCenterIsOverLadder(const flatzebra::Sprite &s) const;
void drawComplexEnemySprites(const flatzebra::SpriteList &slist, int oscBit);
void addToScore(long n);
void addToNumLives(int n);
void initTimeForTreat();
void changePauseState(bool newPauseState);
void displayStartMessage(bool display);
void drawQuitDialog();
bool doQuitDialog();
void drawSaveDialog();
void drawLoadDialog();
int getSlotNumber();
void doSaveDialog();
void doLoadDialog();
void showDialogBox(const std::string &msg);
std::string serialize(flatzebra::Couple c) const;
std::string serialize(const flatzebra::Sprite &s) const;
std::string serialize(const EnemySprite &s) const;
int encodePixmapArrayPointer(const flatzebra::PixmapArray *ptr) const;
const flatzebra::PixmapArray *decodePixmapArrayCode(int) const;
void serializeSpriteList(std::ostream &out,
const flatzebra::SpriteList &list) const;
void serializeEnemySpriteList(std::ostream &out,
const flatzebra::SpriteList &list) const;
std::string serialize(const IngredientSprite &is) const;
bool deserialize(std::istream &in, flatzebra::Couple &c) const;
flatzebra::Sprite *deserializeSprite(std::istream &in,
bool enemy = false) const;
bool deserializeSpriteList(std::istream &in,
flatzebra::SpriteList &list,
bool enemies = false) const;
IngredientSprite *deserializeIngredientSprite(std::istream &in,
IngredientGroup *ig) const;
static std::string getSavedGamesDir();
static std::string formSavedGameFilename(int slotNum);
void showSlotDirectory();
/* Forbidden operations:
*/
BurgerSpaceServer(const BurgerSpaceServer &);
BurgerSpaceServer &operator = (const BurgerSpaceServer &);
};
#endif /* _H_BurgerSpaceServer */
|