src/Script.h

   1
   2 /*
   3  *
   4  * Riven-Wahrk - a reimplementation of the game Riven, by Cyan
   5  * Copyright (C) 2009 Tyler Genter <tylergenter@gmail.com>
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 #ifndef _SCRIPT_H_
  23 #define _SCRIPT_H_
  24
  25 #include <map>
  26 #include <list>
  27
  28 #include "Common.h"
  29 #include "File.h"
  30
  31 using namespace std;
  32
  33 class Game;
  34
  35 class Handler {
  36
  37 public:
  38
  39         enum Event {
  40                 MouseDown = 0,
  41                 MouseUp = 2,
  42                 MouseWithin = 4,
  43                 MouseLeave = 5,
  44                 CardLoad = 6,
  45                 CardClose = 7,
  46                 CardOpen = 9,
  47                 DisplayUpdate = 10 };
  48
  49 private:
  50
  51         Event eventType;
  52         uint16_t *cmdList;
  53         // we don't know how many shorts long a handler is, so
  54         // we find it for each segment, and save it in a cache.
  55         std::map<int, uint16_t> cmdLength;
  56
  57         Game *game; // pointer to Game
  58
  59         int findSegmentSize (int offset);
  60
  61         void runSegment (int addr);
  62         void runCmd (uint16_t *cmd);
  63
  64 public:
  65
  66         Handler (uint16_t *cmdListIn, Game *gameIn);
  67         void run () {
  68                 runSegment (1);
  69         }
  70
  71         uint16_t getLength () { // number of shorts
  72                 return cmdLength.find(1)->second + 1;
  73         }
  74
  75         Event getEventType () {
  76                 return eventType;
  77         }
  78
  79 };
  80
  81
  82 class Script {
  83
  84         uint16_t *cmdList;
  85         std::list<Handler> handler;
  86
  87 public:
  88
  89         Script (File *fileIn, int start, Game *game);
  90         ~Script () { delete cmdList; }
  91
  92         void runHandler (Handler::Event event);
  93         int getSize ();
  94
  95 };
  96
  97 #endif
  98