null check to squash bug. some gfx

res/resources.res

@@ -7,9 +7,13 @@ IMAGE sky "sky.png" NONE NONE
 IMAGE fadeTop "fadetop.png" NONE NONE
 IMAGE fadeBottom "fadebottom.png" NONE NONE
 
-SPRITE sakuyaSprite "sakuya.png" 4 4 NONE 0
+// SPRITE sakuyaSprite "sakuya.png" 4 4 NONE 0
+SPRITE sakuyaSprite "sakuya2.png" 6 6 NONE 0
 
 SPRITE bulletsSprite "bullets.png" 2 2 NONE 0
 SPRITE pBulletSprite "pbullet.png" 4 4 NONE 0
 
 SPRITE butterflySprite "butterfly.png" 4 4 NONE 8
+// SPRITE fairySprite "fairy.png" 4 4 NONE 8
+SPRITE fairySprite "fairy2.png" 4 4 NONE 8
+SPRITE aliceSprite "alice.png" 6 6 NONE 0

runblastem.sh

@@ -0,0 +1 @@
+./blastem/blastem out/rom.bin

src/bullets.h

@@ -59,7 +59,7 @@ static void doBulletRotation(u8 i){
 void spawnBullet(struct bulletSpawner spawner, void(*updater)){
 	// Don't spawn if offscreen
 	fix32 dx = getWrappedDelta(spawner.x, player.pos.x);
-	bool offScreenX = (dx < FIX32(-256) || dx > FIX32(256));
+	bool offScreenX = (dx < -CULL_LIMIT || dx > CULL_LIMIT);
 	bool offScreenY = (spawner.y < FIX32(-16) || spawner.y > GAME_H_F + FIX32(16));
 	if(offScreenX || offScreenY) return;
 
@@ -91,6 +91,11 @@ void spawnBullet(struct bulletSpawner spawner, void(*updater)){
 		-32, -32,
 		TILE_ATTR(gameOver ? PAL1 : PAL0, 0, 0, spawner.player && spawner.angle == 512 ? 1 : 0));
 
+	if(!bullets[i].image){
+		bullets[i].active = FALSE;
+		return;
+	}
+
 	if(spawner.anim) SPR_setAnim(bullets[i].image, spawner.anim);
 	bullets[i].anim = spawner.anim;
 	bullets[i].frame = spawner.frame;
@@ -100,19 +105,16 @@ void spawnBullet(struct bulletSpawner spawner, void(*updater)){
 	doBulletRotation(i);
 }
 
-s32 bulletDist;
 #define BULLET_CHECK FIX32(32)
+s32 bulletDist;
 static void collideWithEnemy(u8 i){
 	for(s16 j = 0; j < ENEMY_COUNT; j++) {
-		if(enemies[j].active){
+		if(enemies[j].active && enemies[j].onScreen && bullets[i].active){
 			fix32 deltaX = getWrappedDelta(bullets[i].pos.x, enemies[j].pos.x);
 			fix32 deltaY = bullets[i].pos.y - enemies[j].pos.y;
-
 			if(deltaY >= -BULLET_CHECK && deltaY <= BULLET_CHECK &&
 			   deltaX >= -BULLET_CHECK && deltaX <= BULLET_CHECK){
-				bulletDist = getApproximatedDistance(
+			   	bulletDist = getApproximatedDistance(fix32ToInt(deltaX), fix32ToInt(deltaY));
-					fix32ToInt(deltaX),
-					fix32ToInt(deltaY));
       	if(bulletDist <= bullets[i].dist){
 					killBullet(i);
 					killEnemy(j);
@@ -123,7 +125,6 @@ static void collideWithEnemy(u8 i){
 }
 
 static void collideWithPlayer(u8 i){
-	if(!bullets[i].player && bullets[i].active){
 	fix32 deltaX = getWrappedDelta(bullets[i].pos.x, player.pos.x);
 	fix32 deltaY = bullets[i].pos.y - player.pos.y;
 
@@ -135,7 +136,6 @@ static void collideWithPlayer(u8 i){
 		// player.lives--;
 		// if(player.lives <= 0) gameOver = TRUE;
 	}
-	}
 }
 
 static void updateBullet(u8 i){
@@ -150,7 +150,7 @@ static void updateBullet(u8 i){
 		}
 
 		fix32 dx = getWrappedDelta(bullets[i].pos.x, player.pos.x);
-		bool offScreenX = (dx < FIX32(-256) || dx > FIX32(256));
+		bool offScreenX = (dx < -CULL_LIMIT || dx > CULL_LIMIT);
 
 		bool offScreenY = (bullets[i].pos.y < FIX32(-16) || bullets[i].pos.y > GAME_H_F + FIX32(16));
 
@@ -167,11 +167,14 @@ static void updateBullet(u8 i){
 			u8 off = bullets[i].player ? P_BULLET_OFF : BULLET_OFF;
 			SPR_setPosition(bullets[i].image, sx - off, sy - off);
 			bullets[i].clock++;
+			bulletCount++;
 		}
 }
 
 
 void updateBullets(){
+	bulletCount = 0;
 	for(s16 i = 0; i < BULLET_COUNT; i++) if(bullets[i].active)
 		updateBullet(i);
+	intToStr(bulletCount, debugStr, 1);
 }

src/enemies.h

@@ -41,12 +41,12 @@ void spawnEnemy(u8 type, u8 zone){
 	enemies[i].pos.x = randX;
 	enemies[i].pos.y = randY;
 	enemies[i].off = 16;
-	enemies[i].image = SPR_addSprite(&butterflySprite,
+	enemies[i].image = SPR_addSprite(&fairySprite,
 		getScreenX(enemies[i].pos.x, player.camera) - enemies[i].off, fix32ToInt(enemies[i].pos.y) - enemies[i].off, TILE_ATTR(gameOver ? PAL1 : PAL0, 0, 0, 0));
-	enemies[i].angle = random() % 2 < 1 ? 128 : 384;
+	if(!enemies[i].image){
-	enemies[i].speed = FIX32(1);
+		enemies[i].active = FALSE;
-	enemies[i].vel.x = fix32Mul(fix16ToFix32(cosFix16(enemies[i].angle)), enemies[i].speed);
+		return;
-	enemies[i].vel.y = fix32Mul(fix16ToFix32(sinFix16(enemies[i].angle)), enemies[i].speed);
+	}
 	for(u8 j = 0; j < PROP_COUNT; j++){
 		enemies[i].ints[j] = 0;
 	}
@@ -55,6 +55,8 @@ void spawnEnemy(u8 type, u8 zone){
 			loadEnemyOne(i);
 			break;
 	}
+	enemies[i].vel.x = fix32Mul(fix16ToFix32(cosFix16(enemies[i].angle)), enemies[i].speed);
+	enemies[i].vel.y = fix32Mul(fix16ToFix32(sinFix16(enemies[i].angle)), enemies[i].speed);
 
 }
 
@@ -84,8 +86,8 @@ static void updateEnemy(u8 i){
 	s16 sx = getScreenX(enemies[i].pos.x, player.camera);
 	s16 sy = fix32ToInt(enemies[i].pos.y);
 	fix32 dx = getWrappedDelta(enemies[i].pos.x, player.pos.x);
-	bool onScreen = (dx >= FIX32(-256) && dx <= FIX32(256));
+	enemies[i].onScreen = (dx >= -CULL_LIMIT && dx <= CULL_LIMIT);
-	SPR_setVisibility(enemies[i].image, onScreen ? VISIBLE : HIDDEN);
+	SPR_setVisibility(enemies[i].image, enemies[i].onScreen ? VISIBLE : HIDDEN);
 	SPR_setPosition(enemies[i].image, sx - enemies[i].off, sy - enemies[i].off);
 
 	enemies[i].clock++;
@@ -97,5 +99,5 @@ void updateEnemies(){
 	enemyCount = 0;
 	for(s16 i = 0; i < ENEMY_COUNT; i++) if(enemies[i].active)
 		updateEnemy(i);
-	intToStr(enemyCount, debugStr, 1);
+	// intToStr(enemyCount, debugStr, 1);
 }

src/enemytypes.h

@@ -1,5 +1,7 @@
 void loadEnemyOne(u8 i){
 	enemies[i].ints[0] = random() % 60;
+	enemies[i].angle = ((random() % 4) * 256) + 128;
+	enemies[i].speed = FIX32(2);
 }
 
 void updateEnemyOne(u8 i){
@@ -7,15 +9,16 @@ void updateEnemyOne(u8 i){
 		struct bulletSpawner spawner = {
 			.x = enemies[i].pos.x,
 			.y = enemies[i].pos.y,
-			.anim = 6 + (random() % 3),
+			// .anim = 6 + (random() % 3),
+			.anim = 6,
 			// .frame = 1,
-			.speed = FIX32(4),
+			.speed = FIX32(2) + FIX16(random() % 4),
-			.angle = random() % 256,
+			.angle = random() % 128,
 		};
-		if(random() % 2 < 1)  spawner.anim += 3;
+		// if(random() % 2 < 1)  spawner.anim += 3;
-		for(u8 j = 0; j < 4; j++){
+		for(u8 j = 0; j < 8; j++){
 			spawnBullet(spawner, EMPTY);
-			spawner.angle += 256;
+			spawner.angle += 128;
 		}
 	}
 }

src/global.h

@@ -8,6 +8,8 @@ u32 clock;
 #define SECTION_COUNT 4            
 #define GAME_WRAP (SECTION_SIZE * SECTION_COUNT)
 
+#define CULL_LIMIT FIX32(240)
+
 u32 score;
 #define SCORE_LENGTH 8
 
@@ -17,7 +19,7 @@ char debugStr[8];
 void EMPTY(s16 i){(void)i;}
 
 bool gameOver;
-s16 enemyCount;
+s16 enemyCount, bulletCount;
 
 // controls
 struct controls {
@@ -44,7 +46,7 @@ struct playerStruct {
 	Vect2D_f32 pos, vel;
 	s16 shotAngle;
 	u8 lives;
-	fix32 camera;
+	fix32 camera, yCamera;
 	Sprite* image;
 };
 struct playerStruct player;
@@ -71,10 +73,10 @@ struct bullet bullets[BULLET_COUNT];
 
 
 // enemies
-#define ENEMY_COUNT 24
+#define ENEMY_COUNT 16
 
 struct enemy {
-	bool active;
+	bool active, onScreen;
 	u8 type;
 	s16 angle, off;
 	u32 clock;

src/player.h

@@ -5,7 +5,7 @@
 #define PLAYER_ACCEL PLAYER_SPEED >> 3
 #define PLAYER_ACCEL_FOCUS PLAYER_SPEED_FOCUS >> 3
 
-#define PLAYER_OFF 16
+#define PLAYER_OFF 24
 #define PLAYER_BOUND_Y FIX32(PLAYER_OFF)
 #define PLAYER_BOUND_H FIX32(224 - PLAYER_OFF)
 
@@ -84,6 +84,8 @@ static void boundsPlayer(){
 		player.camera += GAME_WRAP;
 	}
 
+	player.yCamera = (fix32ToInt(player.pos.y) - FIX16(112)) >> 2;
+
 }
 
 static void cameraPlayer(){
@@ -120,6 +122,7 @@ void loadPlayer(){
 		fix32ToInt(player.pos.x) - PLAYER_OFF,
 		fix32ToInt(player.pos.y) - PLAYER_OFF,
 		TILE_ATTR(PAL0, 0, 0, 0));
+	player.yCamera = (fix32ToInt(player.pos.y) - FIX16(112)) >> 2;
 }
 
 void updatePlayer(){
@@ -134,5 +137,5 @@ void updatePlayer(){
 
 	SPR_setPosition(player.image, sx - PLAYER_OFF, sy - PLAYER_OFF);
 
-	intToStr(fix32ToInt(player.pos.x), debugStr, 1);
+	// intToStr(fix32ToInt(player.pos.x), debugStr, 1);
 }