Gdc09 Minimissile

MiniGames Rebuilding Three Classic Joe Linhoff Eugene Jarvis Darren Torpey

Learning Objectives ,[object Object],[object Object],[object Object]

Dynamic Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dynamic Infrastructure init body final ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Game Controller Class Owns Game Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],// JFL 13 Aug 08 Game::Game(chr *name) : qeUpdateBase(name,0,GAMEID_GAME) { this->name = qeObjName(this->_oShared); LLMakeHead(&this->listOfGameThings); LLMakeHead(&this->listOfWorlds); LLMakeHead(&this->listOfBuildings); LLMakeHead(&this->listOfPlayers); LLMakeHead(&this->listOfBadGuys); LLMakeHead(&this->listOfPlayerProjs); LLMakeHead(&this->listOfBadGuyProjs); } // Game::Game() // JFL 18 Aug 08 void Game::final() { // don't call directly, use objRemove() Game *game; if((game=Game::instance)) { gameZapList(&game->listOfBadGuyProjs); gameZapList(&game->listOfPlayerProjs); gameZapList(&game->listOfBadGuys); gameZapList(&game->listOfPlayers); gameZapList(&game->listOfBuildings); gameZapList(&game->listOfWorlds); gameZapList(&game->listOfGameThings); delete game; // free the C++ object Game::instance=0; // reset pointer } } // Game::final()

Game Objects ,[object Object],[object Object],[object Object],[object Object],// JFL 14 Aug 07 World::World(chr *name) { szcpy(this->name,sizeof(this->name),name,0); LLMakeNode(this,GAMEID_WORLD); SET3(this->xyzMin,-110,0,0); SET3(this->xyzMax,110,200,0); } // World::World() // JFL 14 Aug 07 int World::draw(void) { qefnDrawGrid(50,10); qefnDrawAxes(1); return 0; } // World::draw()

Owners Must Always Guarantee Cleanup ,[object Object],[object Object],[object Object],[object Object],// JFL 18 Aug 08 void Game::final() { // don't call directly, use objRemove() Game *game; if((game=Game::instance)) { gameZapList(&game->listOfBadGuyProjs); gameZapList(&game->listOfPlayerProjs); gameZapList(&game->listOfBadGuys); gameZapList(&game->listOfPlayers); gameZapList(&game->listOfBuildings); gameZapList(&game->listOfWorlds); gameZapList(&game->listOfGameThings); delete game; // free the C++ object Game::instance=0; // reset pointer } } // Game::final()

Zap & Zap List ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],// JFL 25 Jan 09 int gameZapList(LLNode *head) { LLNode *n; while((n=head->next)&&n->t) gameZap(n); return 1; // nonzero return assumed } // gameZapList() // JFL 25 Jan 09 int gameZap(LLNode *n) { // unlink the game object LLUnlink(n); // call destructor for game objects switch(n->t) { case GAMEID_INPUT:((Input*)n)->~Input();break; case GAMEID_CAMERA:((Camera*)n)->~Camera();break; case GAMEID_HUD:((HUD*)n)->~HUD();break; case GAMEID_WORLD:((World*)n)->~World();break; case GAMEID_BUILDING:((Building*)n)->~Building();break; case GAMEID_PLAYER:((Player*)n)->~Player();break; case GAMEID_PROJ:((Proj*)n)->~Proj();break; case GAMEID_BADGUY:((BadGuy*)n)->~BadGuy();break; default: BRK(); // add handler for type } // switch // free the memory delete (qe*)n; return 1; // nonzero return assumed } // gameZap()

Simple Doubly Linked C-Style Polymorphic Lists ,[object Object],[object Object],[object Object],[object Object],LLNode *n; BadGuy *bad; for(n=this->listOfBadGuys.next;n->t;n=n->next) { if(n->t!=GAMEID_BADGUY) continue; bad=(BadGuy*)n; // handle bad guy } // for ,[object Object],[object Object],[object Object]

Gdc09 Minimissile

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (20)

Andere mochten auch

Andere mochten auch (9)

Ähnlich wie Gdc09 Minimissile

Ähnlich wie Gdc09 Minimissile (20)

Mehr von Susan Gold

Mehr von Susan Gold (20)

Gdc09 Minimissile