src/CEngine.h

   1 /*
   2 Copyright (C) 2004-2011 Parallel Realities
   3 Copyright (C) 2011-2015 Perpendicular Dimensions
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13
  14 See the GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 */
  21
  22 class Engine {
  23
  24         private:
  25
  26                 SDL_Event event;
  27                 signed char frameLoop;
  28                 int mouseX, mouseY;
  29
  30                 // Time Difference
  31                 unsigned int time1;
  32                 unsigned int time2;
  33                 float timeDifference;
  34
  35                 // used for cheating!
  36                 char lastKeyPressed[25];
  37                 char lastKeyEvents[25];
  38
  39                 // Joystick config stuff
  40                 int lastButtonPressed;
  41
  42                 Pak pak;
  43
  44         public:
  45
  46                 int extremeAvailable;
  47
  48                 char keyState[SDL_NUM_SCANCODES];
  49                 char mouseLeft, mouseRight;
  50
  51                 int joyX, joyY;
  52                 int joyprevX, joyprevY;
  53                 int joykeyX, joykeyY;
  54                 bool joykeyFire;
  55                 int joystickState[32]; // hopefully no one has a joystick with this many buttons(!)
  56                 bool waitForButton;
  57                 bool waitForKey;
  58                 bool allowJoypad;
  59
  60                 bool paused;
  61                 bool saveConfig;
  62                 bool allowQuit;
  63
  64                 char userHomeDirectory[PATH_MAX];
  65
  66                 int useAudio;
  67                 int fullScreen;
  68                 int skill;
  69                 bool practice;
  70
  71                 // Development stuff
  72                 bool devNoMonsters;
  73
  74                 SDL_RWops *sdlrw;
  75
  76                 unsigned char *binaryBuffer; // used for unzipping
  77                 unsigned char *dataBuffer; // used for unzipping
  78
  79                 int messageTime;
  80                 int messagePriority;
  81                 int messageType;
  82                 char message[100];
  83
  84                 char saveSlot[10][80];
  85                 int continueSaveSlot;
  86
  87                 int playerPosX, playerPosY;
  88
  89                 List widgetList;
  90
  91                 Widget *highlightedWidget;
  92
  93                 Entity world;
  94
  95                 List defineList;
  96
  97                 bool cheats;
  98                 int cheatHealth, cheatExtras, cheatFuel, cheatLevels, cheatBlood, cheatInvulnerable;
  99                 int cheatReload, cheatSpeed, cheatSkipLevel;
 100
 101         Engine();
 102         void destroy();
 103         void getInput();
 104         int getMouseX() const;
 105         int getMouseY() const;
 106
 107         void moveMouse(int dx, int dy);
 108         bool userAccepts();
 109
 110         void clearCheatVars();
 111         bool compareLastKeyInputs();
 112         void addKeyEvent();
 113         void flushInput();
 114         void clearInput();
 115         void setUserHome(const char *path);
 116         Pak *getPak();
 117         bool unpack(const char *filename, int fileType);
 118         bool loadData(const char *filename);
 119         void reportFontFailure();
 120         void setPlayerPosition(int x, int y, int limitLeft, int limitRight, int limitUp, int limitDown);
 121         int getFrameLoop() const;
 122         void doFrameLoop();
 123         void doTimeDifference();
 124         float getTimeDifference() const;
 125         void resetTimeDifference();
 126         void setInfoMessage(const char *message, int priority, int type);
 127         void deleteWidgets();
 128         void addWidget(Widget *widget);
 129         bool loadWidgets(const char *filename);
 130         Widget *getWidgetByName(const char *name);
 131         void showWidgetGroup(const char *groupName, bool show);
 132         void enableWidgetGroup(const char *groupName, bool show);
 133         void showWidget(const char *name, bool show);
 134         void enableWidget(const char *name, bool enable);
 135         void setWidgetVariable(const char *name, int *variable);
 136         bool widgetChanged(const char *name);
 137         void highlightWidget(int dir);
 138         void highlightWidget(const char *name);
 139         int processWidgets();
 140         bool loadDefines();
 141         int getValueOfDefine(const char *word);
 142         char *getDefineOfValue(const char *prefix, int value);
 143         int getValueOfFlagTokens(const char *line);
 144         void delay(unsigned int frameLimit);
 145 };