Blackboard.cpp

   1 /*
   2  *  Blackboard.cpp
   3  *  openc2e
   4  *
   5  *  Created by Alyssa Milburn on Sat Jan 12 2008.
   6  *  Copyright (c) 2008 Alyssa Milburn. All rights reserved.
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  */
  19
  20 #include "Blackboard.h"
  21 #include "Engine.h"
  22 #include "Backend.h"
  23
  24 Blackboard::Blackboard(std::string spritefile, unsigned int firstimage, unsigned int imagecount,
  25                 unsigned int tx, unsigned int ty, unsigned int bgcolour, unsigned int ckcolour,
  26                 unsigned int alcolour) : CompoundAgent(spritefile, firstimage, imagecount) {
  27         textx = tx; texty = ty;
  28         backgroundcolour = bgcolour; chalkcolour = ckcolour; aliascolour = alcolour;
  29
  30         if (engine.version == 1)
  31                 strings.resize(16, std::pair<unsigned int, std::string>(0, std::string()));
  32         else
  33                 strings.resize(48, std::pair<unsigned int, std::string>(0, std::string()));
  34 }
  35
  36 void Blackboard::addPart(CompoundPart *p) {
  37         CompoundAgent::addPart(p);
  38
  39         // if we're adding the first part..
  40         if (parts.size() == 1) {
  41                 // add the part responsible for text; id #10 keeps it safely out of the way
  42                 BlackboardPart *p = new BlackboardPart(this, 10);
  43                 addPart(p);
  44         }
  45 }
  46
  47 void Blackboard::showText(bool show) {
  48         if (show && var[0].hasInt() && var[0].getInt() >= 0 && (unsigned int)var[0].getInt() < strings.size()) {
  49                 currenttext = strings[var[0].getInt()].second;
  50         } else {
  51                 currenttext.clear();
  52         }
  53 }
  54
  55 void Blackboard::addBlackboardString(unsigned int n, unsigned int id, std::string text) {
  56         strings[n] = std::pair<unsigned int, std::string>(id, text);
  57 }
  58
  59 void Blackboard::renderText(class Surface *renderer, int xoffset, int yoffset) {
  60         // TODO: is +1 really the right fix here?
  61         renderer->renderText(xoffset + textx + 1, yoffset + texty + 1, currenttext, chalkcolour, backgroundcolour);
  62 }
  63
  64 BlackboardPart::BlackboardPart(Blackboard *p, unsigned int _id) : CompoundPart(p, _id, 0, 0, 1) {
  65         // TODO: think about plane
  66 }
  67
  68 void BlackboardPart::partRender(class Surface *renderer, int xoffset, int yoffset) {
  69         dynamic_cast<Blackboard *>(parent)->renderText(renderer, xoffset, yoffset);
  70 }
  71
  72 /* vim: set noet: */