/**************************************************************************** * ClientWndProc * * - Typical PM client window procedure. (see below) * * - Standard client window I/O * ****************************************************************************/ MRESULT EXPENTRY ClientWndProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) { RECTL rcl; SWP swp; HPS hpsPaint; static HPS hps; /* Permanent HPS */ static INT cx, cy; /* Client window dimensions */ static BOOL bSlowUpdateNow = FALSE; /* Update toggle for asteroids * * and enemy which are slow. */ static POINTL ptlCenter; /* Center of client window */ switch (msg) { /* Recieved from WinCreateStdWindow */ case WM_CREATE: /* Get permanent PS for entire window */ hps = WinGetPS(hwnd); /* Load private Asteroid fonts from ASTEROID.DLL */ if (GpiLoadFonts(hab, "ASTEROID") != GPI_OK) { WinReleasePS(hps); WinAlarm(HWND_DESKTOP, WA_WARNING); WinMessageBox(HWND_DESKTOP,NULLHANDLE, "Please put ASTEROID.DLL in a directory in your LIBPATH.", "Error reading ASTEROID.DLL", 0,MB_ICONHAND|MB_OK|MB_APPLMODAL); WinPostMsg(hwnd,WM_QUIT,(MPARAM) 0L,(MPARAM) 0L); return (MRESULT) TRUE; } /* Register/create logical fonts for use */ InitFonts(hps); /* Display About dialoge box */ WinDlgBox(HWND_DESKTOP, hwnd, (PFNWP)AboutDlgProc, NULLHANDLE, IDD_ABOUT, NULL); return 0; /* Recieved during attract mode when user starts game */ case WM_STARTGAME: /* Determine the number of players */ cPlayers = (INT)LONGFROMMP(mp1); /* Initialize each player */ for (Player=0;Player<cPlayers;Player++) { Level[Player] = 1; Ships[Player] = prfProfile.iSHIPS; DeletePhotons(); InitAsteroids(); InitEnemy(); } /* Start with player 1 */ Player = 0; iGameMode = GAME_MODE_NEXT; iGameModeCnt = GAME_PAUSE_TIME-1; /* Hide the pointer if mouse controls are enabled */ ShowMouse(FALSE); /* Paint everything */ WinSendMsg(hwnd, WM_PAINT, MPVOID, MPVOID); return 0; /* Recieved at startup and at the completion of a game */ case WM_INITGAME: /* Make mouse visible if we hid it before */ ShowMouse(TRUE); /* Fix menu to reflect attract mode */ EnableMenuItem(hwndMenu, IDM_START, TRUE); EnableMenuItem(hwndMenu, IDM_STOP, FALSE); /* Initialize player and enemy data structures */ cPlayers = 0; Level[0] = 1; for (Player=0;Player<2;Player++) { Score[Player] = 0L; Ships[Player] = 0; DeletePhotons(); } Player = 0; /* Initialize asteroids (and enemy) for attract mode */ InitAsteroids(); InitEnemy(); /* Depending on whether ASTEROID was just started or a game just * * completed display the "High Score" or "Press 1 or 2" screen. */ if (SHORT1FROMMP(mp1) == 0) { iGameMode = GAME_MODE_INIT1; iGameModeCnt = GAME_INIT_TIME; } else { iGameMode = GAME_MODE_INIT2; iGameModeCnt = GAME_INIT_TIME; } /* Paint everything */ WinSendMsg(hwnd, WM_PAINT, MPVOID, MPVOID); return 0; /* Usually recieved from the system, sometime forced by the program to * * ensure the screen is not corrupt. */ case WM_PAINT: /* Clear entire window to insure no "droppings" */ WinQueryWindowRect(hwnd,&rcl); WinFillRect(hps, &rcl, CLR_BLACK); WinInvalidateRect(hwnd, &rcl, FALSE); /* Get the update region and paint it black */ hpsPaint = WinBeginPaint(hwnd, (HPS)NULL, &rcl); WinFillRect(hpsPaint, &rcl, CLR_BLACK); WinEndPaint(hpsPaint); /* Only in normal play mode should we draw the ship */ if ((iGameMode == GAME_MODE_PLAY) && (iShipMode[Player] != EXPLOSION) && (iShipMode[Player] != HYPERSPACE)) DrawShip(hps, cx, cy, DRAW_INIT); else if ((iGameMode == GAME_MODE_PLAY) && (iShipMode[Player] == EXPLOSION)) ExplodeShip(hps, cx, cy); /* Draw the enemy if it is on the screen */ if (iEnemyMode[Player] != NONE) if (iEnemyMode[Player] != EXPLOSION) DrawEnemy(hps, cx, cy,DRAW_INIT); else ExplodeEnemy(hps, cx, cy); /* Draw photons and asteroids in all modes but the "Enter your * * initials" mode, otherwise draw that screen. */ if (iGameMode != GAME_MODE_HIGH) { DrawPhotons(hps, cx, cy, DRAW_INIT); DrawAsteroids(hps, cx, cy, DRAW_INIT); } else DrawHighScore(hps, cx, cy, DRAW_INIT); /* Always draw the score */ DrawScore(hps, cx, cy, DRAW_INIT); return 0; /* Left mouse button down. This simulates the move/track function * * in the system menu. */ case WM_BUTTON1DOWN: if (prfProfile.bMOUSECONTROL && iGameMode != GAME_MODE_INIT1 && iGameMode != GAME_MODE_INIT2 && !TogglePause(CHECK)) { UPDATE_FIRE(iShipMode[Player], TRUE); return (MRESULT)TRUE; } return WinSendMsg(hwndFrame, WM_TRACKFRAME, (MPARAM) (SHORT1FROMMP(mp2) | TF_MOVE), MPVOID); case WM_BUTTON1UP: if (prfProfile.bMOUSECONTROL) { UPDATE_FIRE(iShipMode[Player], FALSE); return (MRESULT)TRUE; } return 0; /* Left mouse button double clicked. Toggle frame control display. */ case WM_BUTTON1DBLCLK: if (!prfProfile.bMOUSECONTROL || iGameMode == GAME_MODE_INIT1 || iGameMode == GAME_MODE_INIT2 || TogglePause(CHECK)) { if (prfProfile.bCONTROLS = !prfProfile.bCONTROLS) ShowFrameControls(); else HideFrameControls(); } return 0; case WM_BUTTON2DOWN: if (prfProfile.bMOUSECONTROL) { UPDATE_SHIELD(iShipMode[Player], iShipShieldCnt[Player]); return (MRESULT)TRUE; } return 0; case WM_BUTTON2CLICK: if (prfProfile.bMOUSECONTROL) { UPDATE_HYPERSPACE(iShipMode[Player], iShipModeCnt[Player]); return (MRESULT)TRUE; } return 0; /* Right mouse button double clicked. Display the about dialog box. */ case WM_BUTTON2DBLCLK: if (!prfProfile.bMOUSECONTROL || iGameMode == GAME_MODE_INIT1 || iGameMode == GAME_MODE_INIT2 || TogglePause(CHECK)) { WinDlgBox(HWND_DESKTOP, hwndClient, (PFNWP)AboutDlgProc, NULLHANDLE, IDD_ABOUT, NULL); } return 0; /* User typed a key. Most of this is self explanatory. */ case WM_CHAR: ProcessChar((CHAR) (CHARMSG(&msg)->vkey-1), CHARMSG(&msg)->fs & KC_VIRTUALKEY, (CHAR) (CHARMSG(&msg)->chr), (BOOL) !(CHARMSG(&msg)->fs & KC_KEYUP)); return 0; /* User entered a command via the menu bar. */ case WM_COMMAND: DoCommand(hwnd, msg, mp1, mp2); return 0; /* Suspend/un-suspend game depending on focus */ case WM_SETFOCUS: if ((BOOL) SHORT1FROMMP(mp2)) TogglePause(SUSPEND_OFF); else if (!prfProfile.bBACKGRND) TogglePause(SUSPEND_ON); return 0; /* Keep track of the client window size. Profile information is not * * updated here because there are better places (i.e. at exit) */ case WM_SIZE: cx = (INT)SHORT1FROMMP(mp2); cy = (INT)SHORT2FROMMP(mp2); /* Keep track of client window position. Also updates profile info. */ case WM_MOVE: WinQueryWindowPos(hwndFrame,&swp); if (!(swp.fl & SWP_MAXIMIZE) && !(swp.fl & SWP_MINIMIZE)) { prfProfile.x = swp.x;prfProfile.y = swp.y; prfProfile.cx = swp.cx;prfProfile.cy = swp.cy; } if (swp.fl & SWP_MINIMIZE) if (!prfProfile.bBACKGRND) { /* Set icon */ WinSendMsg(hwndFrame, WM_SETICON, (MPARAM) WinLoadPointer(HWND_DESKTOP, NULLHANDLE, ID_RESOURCE), MPVOID); TogglePause(SUSPEND_ON); } else WinSendMsg(hwndFrame, WM_SETICON, MPVOID, MPVOID); else TogglePause(SUSPEND_OFF); ptlCenter.x = swp.cx / 2; ptlCenter.y = swp.cy / 2; WinMapWindowPoints(hwndClient, HWND_DESKTOP, &ptlCenter, 1L); return 0; /* Recieved approximately 31 times a second. This is the longest and * * ugliest of the messages, partly because there are so many cases * * to keep track of, partly because it must be highly optimized. */ case WM_TIMER: if (prfProfile.bMOUSECONTROL && iGameMode != GAME_MODE_INIT1 && iGameMode != GAME_MODE_INIT2) { POINTL ptl; static BOOL bUp, bLeft, bRight; WinQueryPointerPos(HWND_DESKTOP, &ptl); if (bUp || (ptl.y - ptlCenter.y > 0)) UPDATE_THRUST(iShipMode[Player], bUp = (ptl.y - ptlCenter.y > 0)); if (bLeft || (ptlCenter.x - ptl.x > 0)) UPDATE_LEFT(iShipMode[Player], bLeft = (ptlCenter.x - ptl.x > 0)); if (bRight || (ptlCenter.x - ptl.x < 0)) UPDATE_RIGHT(iShipMode[Player], bRight = (ptlCenter.x - ptl.x < 0)); WinSetPointerPos(HWND_DESKTOP, ptlCenter.x, ptlCenter.y); } /* Determine the current game mode */ switch (iGameMode) { /* Either initialization/attract mode screen. */ case GAME_MODE_INIT1: case GAME_MODE_INIT2: /* Switch screens when count expires */ if (--iGameModeCnt == 0) { if (iGameMode == GAME_MODE_INIT1) iGameMode = GAME_MODE_INIT2; else iGameMode = GAME_MODE_INIT1; iGameModeCnt = GAME_INIT_TIME; /* Score must be redrawn because the attract mode screens * * draw the score differently. */ DrawScore(hps, cx, cy, DRAW_REINIT); } /* Update photons, asteroids, enemy, and score */ UpdatePhotons(hps, cx, cy); if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) { UpdateAsteroids(hps, cx, cy); UpdateEnemy(hps, cx, cy); DrawScore(hps, cx, cy, DRAW_REFRESH); } break; /* Completion of one player's turn or new game */ case GAME_MODE_NEXT: /* Initially, erase and redraw everything for new player */ if (iGameModeCnt-- == GAME_PAUSE_TIME) { if ((cPlayers == MAXPLAYERS) && (Ships[(Player+1) % MAXPLAYERS])) { DrawAsteroids(hps, cx, cy, DRAW_ERASE); DrawPhotons(hps, cx, cy, DRAW_ERASE); Player = (Player+1) % MAXPLAYERS; } DrawScore(hps, cx, cy, DRAW_REINIT); DrawAsteroids(hps, cx, cy, DRAW_INIT); } /* During countdown update score and asteroids */ else if (iGameModeCnt > 0) { if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) { DrawScore(hps, cx, cy, DRAW_REFRESH); UpdateAsteroids(hps, cx, cy); } } /* At end of countdown start the player */ else { InitShip(); InitEnemy(); iGameMode = GAME_MODE_PLAY; DrawScore(hps, cx, cy, DRAW_REINIT); } break; /* Normal play mode */ case GAME_MODE_PLAY: /* Update ship, photons, asteroids, enemy, and score */ UpdateShip(hps, cx, cy); UpdatePhotons(hps, cx, cy); if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) { UpdateAsteroids(hps, cx, cy); UpdateEnemy(hps, cx, cy); /* Erase old and draw new scores if there is a change*/ if (bChangeScore) { bChangeScore = FALSE; DrawScore(hps, cx, cy, DRAW_REINIT); } /* Else just refresh the score */ else DrawScore(hps, cx, cy, DRAW_REFRESH); } break; /* Game over mode. This is the longest and ugliest case because * * conditions are highly dependent on the number of players, * * multiplayer game status, and the number and order of high * * scores. */ case GAME_MODE_OVER: /* Initially, just update the score and number of ships */ if (iGameModeCnt-- == GAME_PAUSE_TIME) DrawScore(hps, cx, cy, DRAW_REINIT); /* During countdown refresh the score and update the asteroids */ else if (iGameModeCnt > 0) { if (uiSpeed == SPEED_OS2 || (bSlowUpdateNow = !bSlowUpdateNow)) { DrawScore(hps, cx, cy, DRAW_REFRESH); UpdateAsteroids(hps, cx, cy); } } /* At the end of the countdown, if there are any other players, * * continue with them. */ else { /* Countinue on with any remaining players. */ if ((cPlayers == MAXPLAYERS) && (Ships[(Player+1) % MAXPLAYERS])) { /* Erase all of the old asteroids. */ DrawAsteroids(hps, cx, cy, DRAW_ERASE); /* Setup everything for the next player */ Player = (Player+1) % MAXPLAYERS; InitShip(); InitEnemy(); iGameMode = GAME_MODE_PLAY; DrawAsteroids(hps, cx, cy, DRAW_INIT); DrawScore(hps, cx, cy, DRAW_REINIT); } /* Check for new high scores and update table as necessary. */ else { /* Erase all of the old asteroids. */ DrawAsteroids(hps, cx, cy, DRAW_ERASE); /* The following if/else block is admittedly a kludge, it is * * simple and it does work, however. Ideally it should * * sort the high scores and update the high score table in * * descending order. */ /* If player 1 scored higher than player 2 then check * * player 1 first for a high score. */ if (Score[0] > Score[1]) for (Player=0;Player<cPlayers;Player++) /* If the player's score is > than the lowest, * * update the high score table. */ if (Score[Player] > prfProfile.lSCORES[9]) { UpdateHighScores(); iGameMode = GAME_MODE_HIGH; } /* Otherwise, make sure he is not asked for his * * initials. */ else Score[Player] = 0; /* Otherwise, check player 2 first */ else for (Player=cPlayers;Player>=0;Player--) /* If the player's score is > than the lowest, * * update the high score table. */ if (Score[Player] > prfProfile.lSCORES[9]) { UpdateHighScores(); iGameMode = GAME_MODE_HIGH; } /* Otherwise, make sure he is not asked for his * * initials. */ else Score[Player] = 0L; /* If there was no high score, go into attract mode */ if (iGameMode != GAME_MODE_HIGH) WinSendMsg(hwnd,WM_INITGAME,MPFROMSHORT(1),(MPARAM) 0L); /* Else, check for player 1's initials first then 2's * * This is not faithful, in the arcade game the player * * with the higher score always goes first. */ else { if (Score[0] > 0L) Player = 0; else Player = 1; DrawScore(hps, cx, cy, DRAW_REINIT); DrawHighScore(hps, cx, cy, DRAW_INIT); } } } break; /* Mode which prompts players to enter their initials */ case GAME_MODE_HIGH: /* If the player's position is > 0 then refresh the screen */ if (Score[Player] > 0L) DrawHighScore(hps, cx, cy, DRAW_REFRESH); /* Else, the current player is done go to the next */ else if ((cPlayers == MAXPLAYERS) && (Player == 0) && (Score[1] > 0L)) { Player++; DrawHighScore(hps, cx, cy, DRAW_REINIT); } /* If there are no more high scores then go into attract mode */ else WinSendMsg(hwnd, WM_INITGAME, MPFROMSHORT(1), MPVOID); break; } return 0; /* Used by help manager */ case HM_QUERY_KEYS_HELP: return((MRESULT)IDH_CLIENTKEYS); /* Recieved always from the system or in the case of an initialization* * error. Both messages will normally save the profile information.* * Ideally the profile section should be moved to a subroutine and the* * the following should be broken into two distinct cases. */ case WM_SAVEAPPLICATION: case WM_DESTROY: /* If the fonts were not found bApplicationOk will be false, in * * that case the window profile information should not be updated.*/ if (TRUE) { /* Copy window position and size info into profile structure */ WinQueryWindowPos(hwndFrame, &swp); if (swp.fl & SWP_MAXIMIZE) prfProfile.ulMINMAX = SWP_MAXIMIZE; else if (swp.fl & SWP_MINIMIZE) prfProfile.ulMINMAX = SWP_MINIMIZE; else { prfProfile.ulMINMAX = 0; prfProfile.x = swp.x;prfProfile.y = swp.y; prfProfile.cx = swp.cx;prfProfile.cy = swp.cy; } /* Write profile information */ PrfWriteProfileData(HINI_USERPROFILE, szClientClass, "Data", &prfProfile, sizeof(PROFILEREC)); } /* If the application is terminating release the fonts and the hps. */ if (msg == WM_DESTROY) { /* Make sure mouse is visible if we hid it before */ ShowMouse(TRUE); /* Release font identifiers and DLL resource module */ GpiSetCharSet(hps, LCID_DEFAULT); GpiDeleteSetId(hps, LCID_LARGE); GpiDeleteSetId(hps, LCID_SMALL); GpiUnloadFonts(hab, "ASTEROID"); /* Release the "permanent" presentation space */ WinReleasePS(hps); } return 0; } return WinDefWindowProc(hwnd, msg, mp1, mp2); }
void Game::Process() { Input& input = Input::GetInstance(); OpenGL& opengl = OpenGL::GetInstance(); // Check keys if (input.QueryAction(Input::PAUSE)) { if (state == gsPaused) { // Unpause the game state = gsInGame; } else if (state == gsInGame) { // Pause the game state = gsPaused; ship.ThrustOff(); } input.ResetAction(Input::PAUSE); } if (input.QueryResetAction(Input::SCREENSHOT)) opengl.DeferScreenShot(); // Do no more game processing in the paused state if (state == gsPaused) return; if (input.QueryAction(Input::THRUST) && !fuelmeter.OutOfFuel() && state == gsInGame) { // Thrusting ship.ThrustOn(); ship.Thrust(SHIP_SPEED); fuelmeter.BurnFuel(); } else ship.ThrustOff(); if (input.QueryAction(Input::RIGHT) && state == gsInGame) { // Turn clockwise ship.Turn(TURN_ANGLE); } else if (input.QueryAction(Input::LEFT) && state == gsInGame) { // Turn anti-clockwise ship.Turn(-TURN_ANGLE); } if (input.QueryAction(Input::SKIP) && state == gsExplode) { // The player got bored watching the explosion EnterDeathWait(lives == 0 ? DEATH_TIMEOUT : 1); } if (input.QueryAction(Input::ABORT) && state == gsInGame) { // Quit to main menu ExplodeShip(); lives = 0; } if (input.QueryAction(Input::DEBUG)) { // Toggle debug mode bDebugMode = !bDebugMode; input.ResetAction(Input::DEBUG); } // Move only if not in game over if (state == gsInGame || state == gsExplode) { ship.ApplyGravity(flGravity); // Move the ship (and exhaust and explosion) ship.Move(); } ship.ProcessEffects(state == gsPaused, state == gsExplode); // Move mines for (MineListIt it = mines.begin(); it != mines.end(); ++it) (*it).Move(); // Move or fire missiles for (MissileListIt it = missiles.begin(); it != missiles.end(); ++it) (*it).Move(ship); // Calculate view adjusts ship.CentreInViewport(); // Check for collisions with surface int padIndex; if (surface.CheckCollisions(ship, pads, &padIndex)) { bool landed = false; if (state == gsInGame) { if (padIndex != -1) { // Hit a landing pad int dAngle = ((int)ship.GetAngle()) % 360; if ((dAngle >= 330 || dAngle <= 30) && speedmeter.SafeLandingSpeed() && nKeysRemaining == 0) { // Landed safely state = gsLevelComplete; CalculateScore(padIndex); countdown_timeout = 70; landed = true; } } if (!landed) { // Crash landed ExplodeShip(); ship.Bounce(); } } else if (state == gsExplode) EnterDeathWait(); } // Check for collisions with asteroids LineSegment l1, l2; for (AsteroidListIt it = asteroids_.begin(); it != asteroids_.end(); ++it) { const Asteroid& a = *it; if (a.ObjectInScreen(&viewport)) { if (a.CheckCollision(ship)) { // Crashed if (state == gsInGame) { // Destroy the ship ExplodeShip(); ship.Bounce(); } else if (state == gsExplode) EnterDeathWait(); } } } // Check for collision with gateways for (ElectricGateListIt it = gateways.begin(); it != gateways.end(); ++it) { if ((*it).CheckCollision(ship)) { if (state == gsInGame) { // Destroy the ship ExplodeShip(); ship.Bounce(); } else if (state == gsExplode) { // Destroy the ship anyway EnterDeathWait(); } } } // Check for collisions with mines for (MineListIt it = mines.begin(); it != mines.end(); ++it) { if ((*it).CheckCollision(ship)) { if (state == gsInGame) { // Destroy the ship ExplodeShip(); ship.Bounce(); } else if (state == gsExplode) EnterDeathWait(); } } // Check for collisons with missiles for (MissileListIt it = missiles.begin(); it != missiles.end(); ++it) { if ((*it).CheckCollison(ship)) { if (state == gsInGame) { // Destroy the ship ExplodeShip(); ship.Bounce(); } else if (state == gsExplode) EnterDeathWait(); } } // See if the player collected a key for (KeyListIt it = keys.begin(); it != keys.end(); ++it) { if((*it).CheckCollision(ship)) { nKeysRemaining--; (*it).Collected(); objgrid.UnlockSpace((*it).GetX(), (*it).GetY()); collectSound.Play(); } } // Entry / exit states if (state == gsDeathWait) { if (--death_timeout == 0) { // Fade out if (lives == 0 || (lives == 1 && life_alpha < LIFE_ALPHA_BASE)) state = gsFadeToDeath; else if (lives > 0) { if (life_alpha < LIFE_ALPHA_BASE) { life_alpha = LIFE_ALPHA_BASE + 1.0f; lives--; } state = gsFadeToRestart; } fade.BeginFadeOut(); } } else if (state == gsGameOver) { if (--death_timeout == 0) { // Fade out state = gsFadeToDeath; fade.BeginFadeOut(); } } else if (state == gsFadeIn) { // Fade in if (fade.Process()) state = gsInGame; } else if (state == gsFadeToRestart) { // Fade out if (fade.Process()) { // Restart the level StartLevel(); opengl.SkipDisplay(); } } else if (state == gsFadeToDeath) { if (fade.Process()) { // Return to main menu ScreenManager& sm = ScreenManager::GetInstance(); HighScores* hs = static_cast<HighScores*>(sm.GetScreenById("HIGH SCORES")); hs->CheckScore(score); } } else if (state == gsLevelComplete) { // Decrease the displayed score if (countdown_timeout > 0) countdown_timeout--; else if (levelcomp_timeout > 0) { if (--levelcomp_timeout == 0) { level++; state = gsFadeToRestart; fade.BeginFadeOut(); } } else { int dec = level * 2; // Decrease the score newscore -= dec; score += dec; if (score > nextnewlife) { lives++; nextnewlife *= 2; } if (newscore < 0) { // Move to the next level (after a 1s pause) score -= -newscore; levelcomp_timeout = 40; } } } // Decrease level text timeout if (leveltext_timeout > 0) leveltext_timeout--; // Spin the ship if we're exploding if (state == gsExplode) ship.Turn(DEATH_SPIN_RATE); }