Jeck - Consolidated card price functions from deckviewer/shop into PriceList. Also moved price discount hash variable. (As of around r1825, price discount has been based on (mtgid + static int randomKey) % 20. randomKey updates at the end of any won game, making prices for a given fixed between visits to the shop on the same "day")

projects/mtg/src/Credits.cpp

@@ -151,7 +151,7 @@ void Credits::compute(Player * _p1, Player * _p2, GameApp * _app){
 
 
     playerdata->credits += value;
-    GameStateShop::passOneDay();
+    PriceList::updateKey();
     playerdata->taskList->passOneDay();
     if (playerdata->taskList->getTaskCount() < 6) {
       playerdata->taskList->addRandomTask();

projects/mtg/src/GameStateDeckViewer.cpp

@@ -327,9 +327,7 @@ void GameStateDeckViewer::Update(float dt)
       {
         MTGCard * card  = cardIndex[2];
         if (card && displayed_deck->count(card)){
-          int rnd = (rand() % 20);
-          price = pricelist->getPrice(card->getMTGId()) / 2;
-          price = price - price * (rnd -10)/100;
+          int price = pricelist->getSellPrice(card->getMTGId());
           sprintf(buffer,"%s : %i %s",_(card->data->getName()).c_str(),price,_("credits").c_str());
           sellMenu = NEW SimpleMenu(2,this,Constants::MAIN_FONT,SCREEN_WIDTH-300,SCREEN_HEIGHT/2,buffer);
           sellMenu->Add(20,"Yes");

projects/mtg/src/GameStateShop.cpp

@@ -22,8 +22,6 @@ float GameStateShop::_y3[] = {164,205,257,184,180,170,219,212,195,251,252};
 float GameStateShop::_x4[] = { 76, 90, 65,131,171,221,123,187,225,141,237};
 float GameStateShop::_y4[] = {169,188,250,182,182,168,220,208,198,259,245};
 
-int GameStateShop::randomKey = 0;
-
 GameStateShop::GameStateShop(GameApp* parent): GameState(parent) {
   menu = NULL;
   for(int i=0;i<8;i++)
@@ -48,8 +46,6 @@ GameStateShop::GameStateShop(GameApp* parent): GameState(parent) {
     mCounts[i] = 0;
   }
   mTouched = false;
-  if(randomKey == 0)
-    randomKey = rand();
 }
 
 
@@ -284,9 +280,7 @@ int GameStateShop::purchasePrice(int offset){
   MTGCard * c = NULL;
   if(!pricelist || !srcCards || (c = srcCards->getCard(offset)) == NULL)
     return 0;
-  int rnd = abs(c->getMTGId() + randomKey) % 20; 
-  float price = (float) pricelist->getPrice(c->getMTGId());
-  price = price + price * (rnd -10)/100;    
+  float price = (float) pricelist->getPurchasePrice(c->getMTGId());
   return (int) (price + price * srcCards->filterFee());
 }
 

projects/mtg/src/PriceList.cpp

@@ -1,7 +1,7 @@
 #include "../include/config.h"
 #include "../include/PriceList.h"
 
-
+int PriceList::randomKey = 0;
 
 PriceList::PriceList(const char * _filename, MTGAllCards * _collection):collection(_collection){
   filename = _filename;
@@ -15,6 +15,8 @@ PriceList::PriceList(const char * _filename, MTGAllCards * _collection):collecti
     }
     file.close();
   }
+  if(randomKey == 0)
+    randomKey = rand();
 }
 
 
@@ -60,7 +62,6 @@ int PriceList::getPrice(int cardId){
   default:
     return Constants::PRICE_1C;
     break;
-
   }
 
 }
@@ -69,3 +70,12 @@ int PriceList::setPrice(int cardId, int price){
   prices[cardId] = price;
   return price;
 }
+int PriceList::getSellPrice(int cardid){
+  return getPurchasePrice(cardid) / 2;
+}
+int PriceList::getPurchasePrice(int cardid){
+  float price = (float) getPrice(cardid);
+  int rnd = abs(cardid + randomKey) % (1+Constants::PRICE_FLUX_RANGE);
+  price += price * (float)(rnd - Constants::PRICE_FLUX_MINUS)/100.0f;
+  return price;
+}