Source release for DOOM Classic for iOS version 2.1

code/iphone/.svn/text-base/iphone_start.c.svn-base

@@ -0,0 +1,210 @@
+/*
+ *  iphone_start.c
+ *  doom
+ *
+ *  Created by John Carmack on 7/7/09.
+ *  Copyright 2009 id Software. All rights reserved.
+ *
+ */
+
+#include "../doomiphone.h"
+
+
+/*
+ ==================
+ ResumeGame
+ 
+ ==================
+ */
+void ResumeGame() {
+	if ( levelHasBeenLoaded && !demoplayback ) {
+		// return to the already started game
+		drawWeaponSelect = false;
+		weaponSelected = -1;
+		automapmode = 0;
+		advancedemo = false;			
+		menuState = IPM_GAME;
+		return;
+	}
+	
+	if ( !playState.saveGameIsValid ) {
+		// they hit "resume game" on the first app lounch, so just start E1M1
+		mapStart_t	map;
+		map.skill = 1;
+		map.episode = 1;
+		map.map = 1;
+		StartSinglePlayerGame( map );
+	} else {
+		StartSaveGame();
+	}
+}
+
+
+/*
+ ==================
+ GameSetup
+ 
+ ==================
+ */
+void GameSetup() {
+	// resume game just goes back to playing, it doesn't load anything
+	levelHasBeenLoaded = true;
+	
+	// make sure doom doesn't cycle to the next demo loop and kill the new game
+	advancedemo = false;	
+
+	// not in a timedemo yet
+	timeDemoStart = 0;
+	iphoneTimeDemo = false;
+	
+	// display the game next time through the main loop
+	drawWeaponSelect = false;
+	weaponSelected = -1;
+	automapmode = 0;
+	menuState = IPM_GAME;
+
+	demoplayback = false;
+
+	levelTimer = false;
+	levelFragLimit = false;
+
+	// single player game
+	netgame = false;
+	deathmatch = false;
+	nomonsters = false;
+	memset( playeringame, 0, sizeof( playeringame ) );
+	consoleplayer = 0;
+	displayplayer = 0;
+	playeringame[consoleplayer] = 1;	
+}
+
+/*
+ =======================
+ StartSaveGame
+ 
+ Can be called by both the resume game button after launch, or the
+ load game button after a player death
+ =======================
+ */ 
+void StartSaveGame() {
+	GameSetup();
+	G_LoadGame( 0, true );
+	G_DoLoadGame();
+}
+
+/*
+ =======================
+ StartSinglePlayerGame
+ 
+ =======================
+ */ 
+void StartSinglePlayerGame( mapStart_t map ) {
+	playState.map = map;
+	playState.saveGameIsValid = true;	// assume we will save the game on exit
+	
+	// mark this level / skill combination as tried
+	// 
+	mapStats_t *cms = FindMapStats( playState.map.dataset, playState.map.episode, playState.map.map, true );
+	if ( cms ) {
+		// if we are at MAX_MAPS, no stat tracking...
+		cms->completionFlags[playState.map.skill] |= MF_TRIED;
+	}
+	
+	GameSetup();
+	
+	// start the map
+	G_InitNew( playState.map.skill, playState.map.episode, playState.map.map );		
+}
+
+
+/*
+ =======================
+ StartNetGame
+ 
+ Begins a game based on the contents of setupPacket
+ =======================
+ */ 
+boolean StartNetGame() {
+	// make sure we are supposed to be in this game
+	int	slot = -1;
+	for ( int i = 0 ; i < MAXPLAYERS ; i++ ) {
+		if ( setupPacket.playerID[i] == playerID ) {
+			slot = i;
+		}
+	}
+	if ( slot == -1 ) {
+		return false;
+	}
+	GameSetup();
+	
+	consoleplayer = displayplayer = slot;
+
+	netgame = true;			// respawn without restarting levels
+	
+	if ( setupPacket.deathmatch ) {
+		// deathmatch game
+		deathmatch = setupPacket.deathmatch;	// could be either 1 or 2 for altdeath
+		nomonsters = true;
+		
+		if ( setupPacket.timelimit > 0 ) {
+			levelTimer = true;
+			// 30 hz, minutes
+			levelTimeCount = setupPacket.timelimit * 30 * 60;
+		}
+		
+		if ( setupPacket.fraglimit > 0 ) {
+			levelFragLimit = true;
+			levelFragLimitCount = setupPacket.fraglimit;
+		}
+	} else {
+		// coop game
+		deathmatch = false;
+		nomonsters = false;	
+	}
+	
+	for ( int i = 0 ; i < MAXPLAYERS ; i++ ) {
+		if ( setupPacket.playerID[i] != 0 ) {
+			playeringame[i] = 1;
+		} else {
+			playeringame[i] = 0;
+		}
+	}
+	
+	gametic = 0;
+	maketic = 1;	// allow everyone to run the first frame without waiting for a packet
+	
+	memset( netcmds, 0, sizeof( netcmds ) );
+	memset( consistancy, 0, sizeof( consistancy ) );
+	
+	gameID = setupPacket.gameID;
+	
+	// start the map
+	G_InitNew( setupPacket.map.skill, setupPacket.map.episode, setupPacket.map.map );
+	
+	return true;
+}
+
+/*
+ =======================
+ StartDemoGame
+ 
+ The demo button has been hit on the main menu
+ =======================
+ */ 
+void StartDemoGame( boolean timeDemoMode ) {
+	if ( levelHasBeenLoaded ) {
+		// save the current game before starting the demos
+		levelHasBeenLoaded = false;
+		G_SaveGame( 0, "quicksave" );
+		G_DoSaveGame(true);
+	}
+
+	GameSetup();
+	if ( timeDemoMode ) {
+		iphoneTimeDemo = true;
+	}
+
+	// always skip to the next one on each exit from the menu
+	advancedemo = true;
+}
+