X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=main.c;h=8e413bd2e4dcb0355dbf654d8e5f00d629d72d6d;hp=03d173c9c875921b4f2f0fca00f216ce39eadd9f;hb=6a635ec5768b4e40a5db1355e14b834dca864231;hpb=cf30b5f20e3c6fa5c6a328f6cb9ad1559cf227a2

diff --git a/main.c b/main.c
index 03d173c..8e413bd 100644
--- a/main.c
+++ b/main.c
@@ -54,6 +54,8 @@ struct rock_struct {
 	// soon as it isn't we BLOW UP
 	float x,y,xvel,yvel;
 	int active;
+	int dead;  // has been blown out of the way
+	           // to make room for a new ship appearing.
 	SDL_Surface *image;
 	int type_number;
 	float heat;
@@ -140,7 +142,7 @@ int nships,score,initticks,ticks_since_last, last_ticks;
 int gameover;
 int countdown = 0;
 int maneuver = 0;
-int oss_sound_flag = 0;
+int sound_flag = 1, music_flag = 0;
 int tail_plume = 0; // display big engine at the back?
 int friction = 0;	// should there be friction?
 int scorerank;
@@ -597,26 +599,23 @@ int init(int fullscreen) {
 		}
 	}
 
-	if(oss_sound_flag) {
-
-	// Initialise SDL with audio and video
-	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) {
-		oss_sound_flag = 0;
-		printf ("Can't open sound, starting without it\n");
-		atexit(SDL_Quit);
-	} else {
-		atexit(SDL_Quit);
-		atexit(SDL_CloseAudio);
-		oss_sound_flag = init_sound();
-	}
-
+	if(sound_flag) {
+		// Initialize SDL with audio and video
+		if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) {
+			sound_flag = 0;
+			printf ("Can't open sound, starting without it\n");
+			atexit(SDL_Quit);
+		} else {
+			atexit(SDL_Quit);
+			atexit(SDL_CloseAudio);
+			sound_flag = init_sound();
+		}
 	} else {
-		// Initialise with video only
+		// Initialize with video only
 		CONDERROR(SDL_Init(SDL_INIT_VIDEO) != 0);
 		atexit(SDL_Quit);
 	}
 
-	if(oss_sound_flag)
 	play_tune(0);
 
 	// Attempt to get the required video size
@@ -625,7 +624,7 @@ int init(int fullscreen) {
 	surf_screen = SDL_SetVideoMode(XSIZE,YSIZE,16,flag);
 
 	// Set the title bar text
-	SDL_WM_SetCaption("Rock Dodgers", "rockdodgers");
+	SDL_WM_SetCaption("Variations on Rockdodger", "VoR");
 
 	NULLERROR(surf_screen);
 
@@ -1002,15 +1001,7 @@ int gameloop() {
 						// Create a new ship and start all over again
 						state = GAMEPLAY;
 						play_tune(1);
-						xship = 10;
-						yship = YSIZE/2;
-						xvel = 3;
-						yvel = 0;
-						for(i = 0; i<MAXROCKS; i++ ) {
-							if(dist_sq(xship, yship, rock[i].x, rock[i].y) < START_RAD_SQ) {
-								rock[i].active = 0;
-							}
-						}
+						xship -= 50;
 					break;
 					case GAME_OVER:
 						state = HIGH_SCORE_ENTRY;
@@ -1055,6 +1046,24 @@ int gameloop() {
 						state_timeout = 200.0;
 					break;
 				}
+			} else {
+				if(state == DEAD_PAUSE) {
+					float blast_radius = BLAST_RADIUS * state_timeout / 20.0;
+					if(xship < 60) xship = 60;
+					for(i = 0; i<MAXROCKS; i++ ) {
+						float dx, dy, n;
+						if(rock[i].x <= 0) continue;
+						dx = rock[i].x - xship;
+						dy = rock[i].y - yship;
+						n = sqrt(dx*dx + dy*dy);
+						if(n < blast_radius) {
+							n *= 20;
+							rock[i].xvel += rockrate*(dx+30)/n;
+							rock[i].yvel += rockrate*dy/n;
+							rock[i].dead = 1;
+						}
+					}
+				}
 			}
 
 			if(--countdown <= 0 && (rnd()*100.0<(rockrate += 0.025))) {
@@ -1102,18 +1111,25 @@ int gameloop() {
 			yship += yscroll;
 			
 			// Move all the rocks
-			for(i = 0; i<MAXROCKS; i++) if(rock[i].active) {
-				rock[i].x += rock[i].xvel*movementrate;
-				rock[i].y += rock[i].yvel*movementrate + yscroll;
-			if(rock[i].y > YSIZE) {
-				rock[i].y -= YSIZE;
-				rock[i].y -= rock[i].image->w;
-			} else if(rock[i].y < -rock[i].image->w) {
-				rock[i].y += YSIZE;
-				rock[i].y += rock[i].image->w;
-			}
-			if(rock[i].x<-32.0)
-				rock[i].active = 0;
+			for(i = 0; i < MAXROCKS; i++) {
+				if(rock[i].active) {
+					rock[i].x += rock[i].xvel*movementrate;
+					rock[i].y += rock[i].yvel*movementrate + yscroll;
+					if(rock[i].y > YSIZE || rock[i].y < -rock[i].image->h) {
+						if(rock[i].dead) {
+							rock[i].dead = 0;
+							rock[i].active = 0;
+						} else {
+							// wrap
+							rock[i].y = (YSIZE - rock[i].image->h) - rock[i].y;
+							rock[i].y += (rock[i].yvel*movementrate + yscroll) * 1.01;
+						}
+					}
+					if(rock[i].x < -rock[i].image->w || rock[i].x > XSIZE) {
+						rock[i].active = 0;
+						rock[i].dead = 0;
+					}
+				}
 			}
 
 
@@ -1133,10 +1149,8 @@ int gameloop() {
 
 
 			if(draw() && state == GAMEPLAY) {
-				if(oss_sound_flag) {
-					// Play the explosion sound
-					play_sound(0);
-				}
+				// Play the explosion sound
+				play_sound(0);
 				makebangdots(xship,yship,xvel,yvel,surf_ship,30);
 				if(--nships <= 0) {
 					gameover = 1;
@@ -1147,8 +1161,9 @@ int gameloop() {
 				}
 				else {
 					state = DEAD_PAUSE;
-					state_timeout = 50.0;
-
+					state_timeout = 20.0;
+					xvel = 0;
+					yvel = 0;
 				}
 			}
 
@@ -1163,6 +1178,7 @@ int gameloop() {
 
 				for(i = 0; i<MAXROCKS; i++ ) {
 					rock[i].active = 0;
+					rock[i].dead = 0;
 				}
 
 				rockrate = 54.0;
@@ -1238,9 +1254,10 @@ main(int argc, char **argv) {
 	fullscreen = 0;
 	tail_plume = 0;
 	friction = 0;
-	oss_sound_flag = 1;
+	sound_flag = 1;
+	music_flag = 0;
 
-	while ((x = getopt(argc,argv,"efhsp")) >= 0) {
+	while ((x = getopt(argc,argv,"efhmps")) >= 0) {
 		switch(x) {
 			case 'e': // engine
 				tail_plume = 1;
@@ -1253,15 +1270,19 @@ main(int argc, char **argv) {
 				       " -e big tail [E]ngine\n"
 				       " -f [F]ull screen\n"
 				       " -h this [H]elp message\n"
+				       " -m enable [M]usic\n"
 				       " -p original [P]hysics (friction)\n"
 				       " -s [S]ilent (no sound)\n");
 				exit(0);
 			break;
+			case 'm': // music
+				music_flag = 1;
 			case 'p': // physics
 				friction = 1;
 			break;
 			case 's': // silent
-				oss_sound_flag = 0;
+				sound_flag = 0;
+				music_flag = 0;
 			break;
 		}
 	}
@@ -1274,6 +1295,7 @@ main(int argc, char **argv) {
 	while(1) {
 		for(i = 0; i<MAXROCKS; i++) {
 			rock[i].active = 0;
+			rock[i].dead = 0;
 		}
 		rockrate = 54.0;
 		rockspeed = 5.0;