CoCalc -- Rexon.txt

GitHub Repository: rubberduckycooly/Sonic-1-Sonic-2-2013-Script-Decompilation
Path: blob/master/Sonic 2/Scripts/Enemies/Rexon.txt
¹⁴⁸⁰ views
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// ----------------------------------
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// RSDK Project: Sonic 2
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// Script Description: Rexon Object
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// Script Author: Christian Whitehead/Simon Thomley
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// Unpacked by Rubberduckycooly's script unpacker
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// ----------------------------------
7

8
// ========================
9
// Aliases
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// ========================
11

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private alias object.value0 : object.timer
13

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private alias object.value1  : object.head.magnitude
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private alias object.value2  : object.head.amplitude
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private alias object.value3  : object.head.x
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private alias object.value4  : object.head.y
18

19
// Piece order is desending in height (IE piece 1 is right next to the head, piece 4 is right next to the shell)
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private alias object.value5  : object.piece1.magnitude
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private alias object.value6  : object.piece1.amplitude
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private alias object.value7  : object.piece1.x
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private alias object.value8  : object.piece1.y
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private alias object.value9  : object.piece2.magnitude
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private alias object.value10 : object.piece2.amplitude
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private alias object.value11 : object.piece2.x
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private alias object.value12 : object.piece2.y
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private alias object.value13 : object.piece3.magnitude
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private alias object.value14 : object.piece3.amplitude
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private alias object.value15 : object.piece3.x
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private alias object.value16 : object.piece3.y
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private alias object.value17 : object.piece4.magnitude
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private alias object.value18 : object.piece4.amplitude
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private alias object.value19 : object.piece4.x
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private alias object.value20 : object.piece4.y
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private alias object.value21 : object.head.direction
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private alias object.value22 : object.piece1.direction
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private alias object.value23 : object.piece2.direction
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private alias object.value24 : object.piece3.direction
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private alias object.value25 : object.startPos.x
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// Fragment alias, holds the entityPos of the Rexon it originated from
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private alias object.value0 : object.parentRexon
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private alias 0 : REXON_AWAITPLAYER
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private alias 1 : REXON_RISE1
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private alias 2 : REXON_RISE2
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private alias 3 : REXON_RISE3
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private alias 4 : REXON_RISE4
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private alias 5 : REXON_RISE5
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private alias 6 : REXON_SHOOT
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private alias 7 : REXON_SHELL
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private alias 8 : REXON_FRAGMENT
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61
// Player Aliases
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private alias object.xpos : player.xpos
63

64
private alias object.value40 : player.hitboxLeft
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private alias object.value38 : player.hitboxTop
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private alias object.value41 : player.hitboxRight
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private alias object.value39 : player.hitboxBottom
68

69

70
// ========================
71
// Function Declarations
72
// ========================
73

74
reserve function Rexon_Reset
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reserve function Rexon_DebugDraw
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reserve function Rexon_DebugSpawn
77

78

79
// ========================
80
// Function Definitions
81
// ========================
82

83
private function Rexon_Reset
84
	temp0 = object[arrayPos0].startPos.x
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	temp1 = object[arrayPos0].ypos
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	ResetObjectEntity(object[arrayPos0].entityPos, TypeName[Rexon], 0, temp0, temp1)
87
	object[arrayPos0].startPos.x 		= temp0
88
	object[arrayPos0].xvel 				= -0x2000
89
	object[arrayPos0].timer 			= 128
90
	object[arrayPos0].head.amplitude 	= 368
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	object[arrayPos0].piece1.amplitude 	= 368
92
	object[arrayPos0].piece2.amplitude 	= 368
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	object[arrayPos0].piece3.amplitude 	= 368
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	object[arrayPos0].piece4.amplitude 	= 368
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end function
96

97

98
private function Rexon_DebugDraw
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	DrawSpriteFX(3, FX_FLIP, object.xpos, object.ypos)
100
end function
101

102

103
private function Rexon_DebugSpawn
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	CreateTempObject(TypeName[Rexon], 0, object.xpos, object.ypos)
105
	object[tempObjectPos].startPos.x = object.xpos
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	arrayPos0 = object[tempObjectPos].entityPos
107

108
	CallFunction(Rexon_Reset)
109
end function
110

111

112
// ========================
113
// Events
114
// ========================
115

116
event ObjectUpdate
117
	switch object.state
118
	case REXON_AWAITPLAYER
119
		// Swimming around, waiting for the player
120
		object.priority = PRIORITY_ACTIVE
121

122
		object.xpos += object.xvel
123
		object.timer--
124
		if object.timer == 0
125
			object.timer = 128
126
			object.direction ^= FLIP_X
127
			FlipSign(object.xvel)
128
		end if
129

130
		// Check if the player's in range
131
		foreach (GROUP_PLAYERS, currentPlayer, ACTIVE_ENTITIES)
132
			if object.direction == FLIP_NONE
133
				BoxCollisionTest(C_TOUCH, object.entityPos, -160, -256, 96, 256, currentPlayer, -1, -1, 1, 1)
134
			else
135
				BoxCollisionTest(C_TOUCH, object.entityPos, -96, -256, 160, 256, currentPlayer, -1, -1, 1, 1)
136
			end if
137

138
			if checkResult == true
139
				if player[currentPlayer].xpos > object.xpos
140
					object.direction = FLIP_X
141
				else
142
					object.direction = FLIP_NONE
143
				end if
144
				object.state++
145
			end if
146
		next
147
		break
148

149
	case REXON_RISE1
150
		if object.head.magnitude >= 3200
151
			object.state++
152
			object.head.magnitude = 3200
153
		end if
154

155
		object.head.magnitude += 640
156
		break
157

158
	case REXON_RISE2
159
		if object.piece1.magnitude >= 3200
160
			object.state++
161
			object.piece1.magnitude = 3200
162
		end if
163

164
		object.piece1.magnitude += 640
165
		object.head.amplitude   += 2
166
		break
167

168
	case REXON_RISE3
169
		if object.piece2.magnitude >= 3200
170
			object.state++
171
			object.piece2.magnitude = 3200
172
		end if
173

174
		object.piece2.magnitude += 640
175
		object.head.amplitude   += 2
176
		object.piece1.amplitude += 2
177
		break
178

179
	case REXON_RISE4
180
		if object.piece3.magnitude >= 3200
181
			object.state++
182
			object.piece3.magnitude = 3200
183
		end if
184

185
		object.piece3.magnitude += 640
186
		object.head.amplitude   += 2
187
		object.piece1.amplitude += 2
188
		object.piece2.amplitude += 2
189
		break
190

191
	case REXON_RISE5
192
		if object.piece4.magnitude >= 2688
193
			object.state++
194
			object.piece4.magnitude = 2688
195
		end if
196
		
197
		object.piece4.magnitude += 640
198
		object.head.amplitude   += 2
199
		object.piece1.amplitude += 2
200
		object.piece2.amplitude += 2
201
		object.piece3.amplitude += 2
202
		break
203

204
	case REXON_SHOOT
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		if object.head.direction == FLIP_NONE
206
			object.head.amplitude++
207
			if object.head.amplitude == 384
208
				object.frame = 0 // Close the Rexon's mouth
209
			end if
210

211
			if object.head.amplitude >= 416
212
				object.head.direction = FLIP_X
213
			end if
214
		else
215
			object.head.amplitude--
216
			if object.head.amplitude == 368
217
				object.frame = 1 // Make the Rexon open wide
218
			end if
219

220
			if object.head.amplitude <= 352
221
				object.head.direction = FLIP_NONE
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				CreateTempObject(TypeName[Rexon Shot], 0, object.head.x, object.head.y)
223
				if object.direction == FLIP_NONE
224
					object[tempObjectPos].xvel = -0x10000
225
					object[tempObjectPos].xpos -= 0x100000
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				else
227
					object[tempObjectPos].xvel = 0x10000
228
					object[tempObjectPos].xpos += 0x100000
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				end if
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				object[tempObjectPos].yvel = 0x8000
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				object[tempObjectPos].ypos += 0x40000
232
			end if
233
		end if
234

235
		if object.piece1.direction == FLIP_NONE
236
			object.piece1.amplitude++
237
			if object.piece1.amplitude >= 416
238
				object.piece1.direction = FLIP_X
239
			end if
240
		else
241
			object.piece1.amplitude--
242
			if object.piece1.amplitude <= 352
243
				object.piece1.direction = FLIP_NONE
244
			end if
245
		end if
246

247
		if object.piece2.direction == FLIP_NONE
248
			object.piece2.amplitude++
249
			if object.piece2.amplitude >= 416
250
				object.piece2.direction = FLIP_X
251
			end if
252
		else
253
			object.piece2.amplitude--
254
			if object.piece2.amplitude <= 352
255
				object.piece2.direction = FLIP_NONE
256
			end if
257
		end if
258

259
		if object.piece3.direction == FLIP_NONE
260
			object.piece3.amplitude++
261
			if object.piece3.amplitude >= 416
262
				object.piece3.direction = FLIP_X
263
			end if
264
		else
265
			object.piece3.amplitude--
266
			if object.piece3.amplitude <= 352
267
				object.piece3.direction = FLIP_NONE
268
			end if
269
		end if
270
		break
271

272
	case REXON_SHELL
273
		// Just a lone shell, don't do anything
274
		break
275

276
	case REXON_FRAGMENT
277
		arrayPos0 = object.parentRexon
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		if object[arrayPos0].state != REXON_SHELL
279
			// If the Rexon isn't actually defeated, then despawn
280
			object.type = TypeName[Blank Object]
281
		end if
282

283
		object.xpos += object.xvel
284
		object.ypos += object.yvel
285
		object.yvel += 0x3800
286

287
		if object.outOfBounds == true
288
			object.type = TypeName[Blank Object]
289
		end if
290
		break
291
		
292
	end switch
293

294
	// Calculate the positions of all body fragments in this (rather lengthy) process
295

296
	temp0 = object.xpos
297
	if object.direction == FLIP_NONE
298
		temp0 -= 0x1C0000
299
	else
300
		temp0 += 0x1C0000
301
	end if
302

303
	temp1 = object.ypos
304
	temp1 += 0x110000
305

306
	temp2 = object.piece4.amplitude
307
	temp2 >>= 1
308
	if object.direction == FLIP_X
309
		temp2 -= 0xC0
310
		FlipSign(temp2)
311
		temp2 += 0xC0
312
		temp2 &= 0xFF
313
	end if
314
	Cos256(object.piece4.x, temp2)
315
	object.piece4.x *= object.piece4.magnitude
316
	object.piece4.x += temp0
317
	Sin256(object.piece4.y, temp2)
318
	object.piece4.y *= object.piece4.magnitude
319
	object.piece4.y += temp1
320

321
	temp2 = object.piece3.amplitude
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	temp2 >>= 1
323
	if object.direction == FLIP_X
324
		temp2 -= 0xC0
325
		FlipSign(temp2)
326
		temp2 += 0xC0
327
		temp2 &= 0xFF
328
	end if
329
	Cos256(object.piece3.x, temp2)
330
	object.piece3.x *= object.piece3.magnitude
331
	object.piece3.x += object.piece4.x
332
	Sin256(object.piece3.y, temp2)
333
	object.piece3.y *= object.piece3.magnitude
334
	object.piece3.y += object.piece4.y
335

336
	temp2 = object.piece2.amplitude
337
	temp2 >>= 1
338
	if object.direction == FLIP_X
339
		temp2 -= 0xC0
340
		FlipSign(temp2)
341
		temp2 += 0xC0
342
		temp2 &= 0xFF
343
	end if
344
	Cos256(object.piece2.x, temp2)
345
	object.piece2.x *= object.piece2.magnitude
346
	object.piece2.x += object.piece3.x
347
	Sin256(object.piece2.y, temp2)
348
	object.piece2.y *= object.piece2.magnitude
349
	object.piece2.y += object.piece3.y
350

351
	temp2 = object.piece1.amplitude
352
	temp2 >>= 1
353
	if object.direction == FLIP_X
354
		temp2 -= 0xC0
355
		FlipSign(temp2)
356
		temp2 += 0xC0
357
		temp2 &= 0xFF
358
	end if
359
	Cos256(object.piece1.x, temp2)
360
	object.piece1.x *= object.piece1.magnitude
361
	object.piece1.x += object.piece2.x
362
	Sin256(object.piece1.y, temp2)
363
	object.piece1.y *= object.piece1.magnitude
364
	object.piece1.y += object.piece2.y
365

366
	temp2 = object.head.amplitude
367
	temp2 >>= 1
368
	if object.direction == FLIP_X
369
		temp2 -= 0xC0
370
		FlipSign(temp2)
371
		temp2 += 0xC0
372
		temp2 &= 0xFF
373
	end if
374
	Cos256(object.head.x, temp2)
375
	object.head.x *= object.head.magnitude
376
	object.head.x += object.piece1.x
377
	Sin256(object.head.y, temp2)
378
	object.head.y *= object.head.magnitude
379
	object.head.y += object.piece1.y
380

381
	if object.state != REXON_FRAGMENT
382
		if object.outOfBounds == true
383
			temp0 = object.xpos
384
			object.xpos = object.startPos.x
385
			if object.outOfBounds == true
386
				arrayPos0 = object.entityPos
387
				CallFunction(Rexon_Reset)
388
			else
389
				object.xpos = temp0
390
			end if
391
		end if
392

393
		temp6 = object.xpos
394
		temp7 = object.ypos
395
		foreach (GROUP_PLAYERS, currentPlayer, ACTIVE_ENTITIES)
396
			// Provide a shell box for players to stand on
397
			BoxCollisionTest(C_SOLID, object.entityPos, -16, -8, 16, 8, currentPlayer, C_BOX, C_BOX, C_BOX, C_BOX)
398
			if object.state != REXON_SHELL
399
				// Check if the head's been hit
400
				object.xpos = object.head.x
401
				object.ypos = object.head.y
402
				BoxCollisionTest(C_TOUCH, object.entityPos, -8, -8, 8, 8, currentPlayer, player[currentPlayer].hitboxLeft, player[currentPlayer].hitboxTop, player[currentPlayer].hitboxRight, player[currentPlayer].hitboxBottom)
403
				if checkResult == true
404
					// Create neck fragment pieces to make the Rexon fall apart
405
					CreateTempObject(TypeName[Rexon], 0, object.piece1.x, object.piece1.y)
406
					object[tempObjectPos].xvel = -0x8000
407
					object[tempObjectPos].state = REXON_FRAGMENT
408
					object[tempObjectPos].direction = object.direction
409
					object[tempObjectPos].parentRexon = object.entityPos
410

411
					CreateTempObject(TypeName[Rexon], 0, object.piece2.x, object.piece2.y)
412
					object[tempObjectPos].xvel = 0x10000
413
					object[tempObjectPos].state = REXON_FRAGMENT
414
					object[tempObjectPos].direction = object.direction
415
					object[tempObjectPos].parentRexon = object.entityPos
416

417
					CreateTempObject(TypeName[Rexon], 0, object.piece3.x, object.piece3.y)
418
					object[tempObjectPos].xvel = -0x10000
419
					object[tempObjectPos].state = REXON_FRAGMENT
420
					object[tempObjectPos].direction = object.direction
421
					object[tempObjectPos].parentRexon = object.entityPos
422

423
					CreateTempObject(TypeName[Rexon], 0, object.piece4.x, object.piece4.y)
424
					object[tempObjectPos].xvel = 0x8000
425
					object[tempObjectPos].state = REXON_FRAGMENT
426
					object[tempObjectPos].direction = object.direction
427
					object[tempObjectPos].parentRexon = object.entityPos
428

429
					temp4 = object.startPos.x
430
					temp5 = object.direction
431
					CallFunction(Player_BadnikBreak)
432
					if object.type != TypeName[Rexon]
433
						// If the Rexon has been destroyed, turn it back into a Rexon so that its shell platform stays
434
						object.type = TypeName[Rexon]
435
						object.startPos.x = temp4
436
						object.direction = temp5
437
						object.priority = PRIORITY_ACTIVE
438
						object.state = REXON_SHELL
439
					end if
440
				end if
441

442
				// Check hitboxes for all body parts individually, too
443
				object.xpos = object.piece1.x
444
				object.ypos = object.piece1.y
445
				BoxCollisionTest(C_TOUCH, object.entityPos, -8, -8, 8, 8, currentPlayer, C_BOX, C_BOX, C_BOX, C_BOX)
446
				if checkResult == true
447
					CallFunction(Player_Hit)
448
				end if
449

450
				object.xpos = object.piece2.x
451
				object.ypos = object.piece2.y
452
				BoxCollisionTest(C_TOUCH, object.entityPos, -8, -8, 8, 8, currentPlayer, C_BOX, C_BOX, C_BOX, C_BOX)
453
				if checkResult == true
454
					CallFunction(Player_Hit)
455
				end if
456

457
				object.xpos = object.piece3.x
458
				object.ypos = object.piece3.y
459
				BoxCollisionTest(C_TOUCH, object.entityPos, -8, -8, 8, 8, currentPlayer, C_BOX, C_BOX, C_BOX, C_BOX)
460
				if checkResult == true
461
					CallFunction(Player_Hit)
462
				end if
463

464
				object.xpos = object.piece4.x
465
				object.ypos = object.piece4.y
466
				BoxCollisionTest(C_TOUCH, object.entityPos, -8, -8, 8, 8, currentPlayer, C_BOX, C_BOX, C_BOX, C_BOX)
467
				if checkResult == true
468
					CallFunction(Player_Hit)
469
				end if
470
			end if
471
		next
472

473
		object.xpos = temp6
474
		object.ypos = temp7
475
	end if
476
end event
477

478

479
event ObjectDraw
480
	switch object.state
481
	case REXON_RISE1
482
	case REXON_RISE2
483
	case REXON_RISE3
484
	case REXON_RISE4
485
	case REXON_RISE5
486
	case REXON_SHOOT
487
		DrawSpriteFX(2, FX_FLIP, object.piece4.x, object.piece4.y)
488
		DrawSpriteFX(2, FX_FLIP, object.piece3.x, object.piece3.y)
489
		DrawSpriteFX(2, FX_FLIP, object.piece2.x, object.piece2.y)
490
		DrawSpriteFX(2, FX_FLIP, object.piece1.x, object.piece1.y)
491
		DrawSpriteFX(object.frame, FX_FLIP, object.head.x, object.head.y)
492
		// [Fallthrough to shell drawing]
493
	case REXON_AWAITPLAYER
494
	case REXON_SHELL
495
		DrawSpriteFX(3, FX_FLIP, object.xpos, object.ypos)
496
		break
497

498
	case REXON_FRAGMENT
499
		DrawSpriteFX(2, FX_FLIP, object.xpos, object.ypos)
500
		break
501
		
502
	end switch
503
end event
504

505

506
event ObjectStartup
507
	CheckCurrentStageFolder("Zone05")
508
	if checkResult == true
509
		LoadSpriteSheet("HTZ/Objects.gif")
510
		
511
		// Head Frame, Mouth Closed
512
		SpriteFrame(-19, -6, 23, 16, 143, 123)
513
		
514
		// Head Frame, Mouth Open
515
		SpriteFrame(-19, -6, 23, 16, 45, 55)
516
		
517
		// Neck Frame
518
		SpriteFrame(-8, -8, 16, 16, 52, 38)
519
		
520
		// Body Frame
521
		SpriteFrame(-16, -8, 32, 16, 91, 105)
522
	else
523
		LoadSpriteSheet("MBZ/Objects.gif")
524
		
525
		// Duplicate data of HTZ sheet data, appears broken in-game
526
		
527
		// Head Frame, Mouth Closed
528
		SpriteFrame(-19, -6, 23, 16, 143, 123)
529
		
530
		// Head Frame, Mouth Open
531
		SpriteFrame(-19, -6, 23, 16, 45, 55)
532
		
533
		// Neck Frame
534
		SpriteFrame(-8, -8, 16, 16, 52, 38)
535
		
536
		// Body Frame
537
		SpriteFrame(-16, -8, 32, 16, 91, 105)
538
	end if
539

540
	foreach (TypeName[Rexon], arrayPos0, ALL_ENTITIES)
541
		object[arrayPos0].startPos.x = object[arrayPos0].xpos
542
		CallFunction(Rexon_Reset)
543
	next
544

545
	SetTableValue(TypeName[Rexon], DebugMode_ObjCount, DebugMode_TypesTable)
546
	SetTableValue(Rexon_DebugDraw, DebugMode_ObjCount, DebugMode_DrawTable)
547
	SetTableValue(Rexon_DebugSpawn, DebugMode_ObjCount, DebugMode_SpawnTable)
548
	DebugMode_ObjCount++
549
end event
550

551

552
// ========================
553
// Editor Events
554
// ========================
555

556
event RSDKDraw
557
	object.head.amplitude = 368
558
	object.head.magnitude = 3200
559

560
	object.piece1.amplitude = 368
561
	object.piece1.magnitude = 3200
562

563
	object.piece2.amplitude = 368
564
	object.piece2.magnitude = 3200
565

566
	object.piece3.amplitude = 368
567
	object.piece3.magnitude = 3200
568

569
	object.piece4.amplitude = 368
570
	object.piece4.magnitude = 3200
571

572
	temp0 = object.xpos
573
	temp0 -= 0x1C0000
574

575
	temp1 = object.ypos
576
	temp1 += 0x110000
577

578
	temp2 = object.piece4.amplitude
579
	temp2 >>= 1
580
	Cos256(object.piece4.x, temp2)
581
	object.piece4.x *= object.piece4.magnitude
582
	object.piece4.x += temp0
583
	Sin256(object.piece4.y, temp2)
584
	object.piece4.y *= object.piece4.magnitude
585
	object.piece4.y += temp1
586

587
	temp2 = object.piece3.amplitude
588
	temp2 >>= 1
589
	Cos256(object.piece3.x, temp2)
590
	object.piece3.x *= object.piece3.magnitude
591
	object.piece3.x += object.piece4.x
592
	Sin256(object.piece3.y, temp2)
593
	object.piece3.y *= object.piece3.magnitude
594
	object.piece3.y += object.piece4.y
595

596
	temp2 = object.piece2.amplitude
597
	temp2 >>= 1
598
	Cos256(object.piece2.x, temp2)
599
	object.piece2.x *= object.piece2.magnitude
600
	object.piece2.x += object.piece3.x
601
	Sin256(object.piece2.y, temp2)
602
	object.piece2.y *= object.piece2.magnitude
603
	object.piece2.y += object.piece3.y
604

605
	temp2 = object.piece1.amplitude
606
	temp2 >>= 1
607
	Cos256(object.piece1.x, temp2)
608
	object.piece1.x *= object.piece1.magnitude
609
	object.piece1.x += object.piece2.x
610
	Sin256(object.piece1.y, temp2)
611
	object.piece1.y *= object.piece1.magnitude
612
	object.piece1.y += object.piece2.y
613

614
	temp2 = object.head.amplitude
615
	temp2 >>= 1
616
	Cos256(object.head.x, temp2)
617
	object.head.x *= object.head.magnitude
618
	object.head.x += object.piece1.x
619
	Sin256(object.head.y, temp2)
620
	object.head.y *= object.head.magnitude
621
	object.head.y += object.piece1.y
622

623
	DrawSpriteXY(1, object.piece4.x, object.piece4.y)
624
	DrawSpriteXY(1, object.piece3.x, object.piece3.y)
625
	DrawSpriteXY(1, object.piece2.x, object.piece2.y)
626
	DrawSpriteXY(1, object.piece1.x, object.piece1.y)
627
	DrawSpriteXY(0, object.head.x, object.head.y)
628
	DrawSpriteXY(2, object.xpos, object.ypos)
629
end event
630

631

632
event RSDKLoad
633
	CheckCurrentStageFolder("Zone05")
634
	if checkResult == true
635
		LoadSpriteSheet("HTZ/Objects.gif")
636
		SpriteFrame(-19, -6, 23, 16, 143, 123)
637
		SpriteFrame(-8, -8, 16, 16, 52, 38)
638
		SpriteFrame(-16, -8, 32, 16, 91, 105)
639
	else
640
		LoadSpriteSheet("MBZ/Objects.gif")
641
		SpriteFrame(-19, -6, 23, 16, 143, 123)
642
		SpriteFrame(-8, -8, 16, 16, 52, 38)
643
		SpriteFrame(-16, -8, 32, 16, 91, 105)
644
	end if
645
	
646
	// Ported Rexons have it set, but new ones don't
647
	// While it probably meant something in the original game, in this game it doesn't do anything
648
	SetVariableAlias(ALIAS_VAR_PROPVAL, "unused")
649
end event
650

651
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