Add Gachabom Explosion states

- Includes animation

src/deh_tables.c

@@ -4556,6 +4556,15 @@ const char *const STATE_LIST[] = { // array length left dynamic for sanity testi
 	"S_SPECIAL_UFO_STEM",
 
 	"S_GACHABOM",
+	"S_GACHABOM_DEAD",
+
+	"S_GACHABOM_EXPLOSION_1",
+	"S_GACHABOM_EXPLOSION_2",
+	"S_GACHABOM_EXPLOSION_3A",
+	"S_GACHABOM_EXPLOSION_3B",
+	"S_GACHABOM_EXPLOSION_4",
+	"S_GACHABOM_WAITING",
+	"S_GACHABOM_RETURNING",
 };
 
 // RegEx to generate this from info.h: ^\tMT_([^,]+), --> \t"MT_\1",
@@ -5415,6 +5424,7 @@ const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for sanity t
 	"MT_SINKTRAIL",
 
 	"MT_GACHABOM",
+	"MT_GACHABOM_REBOUND",
 
 	"MT_DUELBOMB", // Duel mode bombs
 

src/info.c

@@ -810,6 +810,7 @@ char sprnames[NUMSPRITES + 1][5] =
 	"UQMK",
 
 	"GBOM",
+	"GCHX",
 
 	// First person view sprites; this is a sprite so that it can be replaced by a specialized MD2 draw later
 	"VIEW",
@@ -5216,6 +5217,15 @@ state_t states[NUMSTATES] =
 	{SPR_UFOS, 0, -1, {NULL}, 0, 0, S_NULL}, // S_SPECIAL_UFO_STEM
 
 	{SPR_GBOM, FF_ANIMATE, -1, {NULL}, 3, 1, S_NULL}, // S_GACHABOM
+	{SPR_GBOM, FF_INVERT, 2, {NULL}, 0, 0, S_NULL}, // S_GACHABOM_DEAD
+
+	{SPR_NULL, 0, 1, {NULL}, 0, 0, S_GACHABOM_EXPLOSION_2},
+	{SPR_GCHX, 0|FF_PAPERSPRITE|FF_ANIMATE, 14, {NULL}, 6, 2, S_GACHABOM_EXPLOSION_3A}, // S_GACHABOM_EXPLOSION_2
+	{SPR_GCHX, 6|FF_PAPERSPRITE|FF_ANIMATE, 4, {NULL}, 1, 2, S_GACHABOM_EXPLOSION_3B}, // S_GACHABOM_EXPLOSION_3A
+	{SPR_NULL, 0|FF_PAPERSPRITE, 0, {A_Repeat}, 8, S_GACHABOM_EXPLOSION_3A, S_GACHABOM_EXPLOSION_4}, // S_GACHABOM_EXPLOSION_3B
+	{SPR_GCHX, 6|FF_PAPERSPRITE|FF_ANIMATE|FF_REVERSEANIM, 14, {NULL}, 6, 2, S_GACHABOM_WAITING}, // S_GACHABOM_EXPLOSION_4
+	{SPR_GBOM, FF_INVERT, 8, {A_SetScale}, FRACUNIT, 0, S_GACHABOM_RETURNING}, // S_GACHABOM_WAITING
+	{SPR_GBOM, FF_INVERT, -1, {A_SetScale}, FRACUNIT/2, 1, S_NULL}, // S_GACHABOM_RETURNING
 };
 
 mobjinfo_t mobjinfo[NUMMOBJTYPES] =
@@ -24587,6 +24597,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
+	{           // MT_GACHABOM_REBOUND
+		-1,             // doomednum
+		S_GACHABOM_EXPLOSION_1, // spawnstate
+		1,              // spawnhealth
+		S_NULL,         // seestate
+		sfx_None,       // seesound
+		8,              // reactiontime
+		sfx_None,       // attacksound
+		S_NULL,         // painstate
+		0,              // painchance
+		sfx_None,       // painsound
+		S_NULL,         // meleestate
+		S_NULL,         // missilestate
+		S_GACHABOM_DEAD, // deathstate
+		S_NULL,         // xdeathstate
+		sfx_None,       // deathsound
+		0,              // speed
+		16*FRACUNIT,    // radius
+		32*FRACUNIT,    // height
+		0,              // display offset
+		100,            // mass
+		0,              // damage
+		sfx_None,       // activesound
+		MF_NOBLOCKMAP|MF_NOGRAVITY|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOCLIPTHING|MF_DONTENCOREMAP|MF_NOSQUISH, // flags
+		S_NULL          // raisestate
+	},
+
 	{           // MT_DUELBOMB
 		2050,           // doomednum
 		S_SPB1,         // spawnstate

src/info.h

@@ -1363,6 +1363,7 @@ typedef enum sprite
 	SPR_UQMK,
 
 	SPR_GBOM,
+	SPR_GCHX,
 
 	// First person view sprites; this is a sprite so that it can be replaced by a specialized MD2 draw later
 	SPR_VIEW,
@@ -5647,6 +5648,15 @@ typedef enum state
 	S_SPECIAL_UFO_STEM,
 
 	S_GACHABOM,
+	S_GACHABOM_DEAD,
+
+	S_GACHABOM_EXPLOSION_1,
+	S_GACHABOM_EXPLOSION_2,
+	S_GACHABOM_EXPLOSION_3A,
+	S_GACHABOM_EXPLOSION_3B,
+	S_GACHABOM_EXPLOSION_4,
+	S_GACHABOM_WAITING,
+	S_GACHABOM_RETURNING,
 
 	S_FIRSTFREESLOT,
 	S_LASTFREESLOT = S_FIRSTFREESLOT + NUMSTATEFREESLOTS - 1,
@@ -6525,6 +6535,7 @@ typedef enum mobj_type
 	MT_SINKTRAIL,
 
 	MT_GACHABOM,
+	MT_GACHABOM_REBOUND,
 
 	MT_DUELBOMB, // Duel mode bombs