CoCalc -- Background.txt

GitHub Repository: rubberduckycooly/Sonic-1-Sonic-2-2013-Script-Decompilation
Path: blob/master/Sonic 2/Scripts/Special/Background.txt
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// ----------------------------------
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// RSDK Project: Sonic 2
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// Script Description: Special BG 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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// ----------------------------------
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// ========================
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// Aliases
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// ========================
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private alias object.value1 : object.viewRotation
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// Halfpipe Aliases
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private alias object.value7 : halfpipe.halfpipeRotation.x
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private alias object.value8 : halfpipe.halfpipeRotation.y
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private alias object.value9 : halfpipe.halfpipeRotation.z
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// ========================
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// Events
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// ========================
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event ObjectDraw
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	temp2 = halfpipe[0].halfpipeRotation.y
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	temp2 += 0x40
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	temp2 &= 0x1FF
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	temp2 >>= 7
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	switch temp2
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	case 0
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		temp0 = halfpipe[0].halfpipeRotation.y
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		temp1 = halfpipe[0].halfpipeRotation.x
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		FlipSign(temp1)
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		object.rotation = halfpipe[0].halfpipeRotation.z
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		break
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	case 1
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		temp0 = halfpipe[0].halfpipeRotation.y
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		temp1 = halfpipe[0].halfpipeRotation.z
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		FlipSign(temp1)
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		object.rotation = halfpipe[0].halfpipeRotation.x
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		FlipSign(object.rotation)
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		break
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	case 2
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		temp0 = halfpipe[0].halfpipeRotation.y
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		temp1 = halfpipe[0].halfpipeRotation.x
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		object.rotation = halfpipe[0].halfpipeRotation.z
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		FlipSign(object.rotation)
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		break
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	case 3
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		temp0 = halfpipe[0].halfpipeRotation.y
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		temp1 = halfpipe[0].halfpipeRotation.z
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		object.rotation = halfpipe[0].halfpipeRotation.x
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		FlipSign(object.rotation)
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		break
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	end switch
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	temp0 <<= 1
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	temp0 &= 0xFF
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	temp1 <<= 1
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	temp1 &= 0xFF
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	object.rotation &= 0x1FF
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	temp2 = halfpipe[0].halfpipeRotation.x
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	temp2 += halfpipe[0].halfpipeRotation.y
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	temp2 += halfpipe[0].halfpipeRotation.z
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	temp2 &= 0x7F
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	if temp2 == 0
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		Sin256(object.viewRotation, object.angle)
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		object.angle += 8
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		object.angle &= 0xFF
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	else
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		object.angle = 0
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		object.viewRotation >>= 1
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	end if
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	temp2 = object.viewRotation
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	temp2 *= 3
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	temp2 >>= 9
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	temp1 += temp2
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	if object.rotation == 0
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		temp0 += screen.xcenter
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		temp1 += screen.ycenter
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		DrawSpriteScreenXY(0, temp0, temp1)
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		DrawSpriteScreenXY(1, temp0, temp1)
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		DrawSpriteScreenXY(2, temp0, temp1)
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		DrawSpriteScreenXY(3, temp0, temp1)
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		DrawSpriteScreenXY(4, temp0, temp1)
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		DrawSpriteScreenXY(5, temp0, temp1)
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		DrawSpriteScreenXY(6, temp0, temp1)
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		DrawSpriteScreenXY(7, temp0, temp1)
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		DrawSpriteScreenXY(8, temp0, temp1)
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		DrawSpriteScreenXY(9, temp0, temp1)
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		DrawSpriteScreenXY(10, temp0, temp1)
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		DrawSpriteScreenXY(11, temp0, temp1)
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	else
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		temp0 += screen.xcenter
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		temp1 += screen.ycenter
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		DrawSpriteScreenFX(1, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(2, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(3, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(5, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(6, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(7, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(8, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(9, FX_ROTATE, temp0, temp1)
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		DrawSpriteScreenFX(10, FX_ROTATE, temp0, temp1)
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	end if
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end event
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event ObjectStartup
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	LoadSpriteSheet("Special/Background.gif")
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	SpriteFrame(-640, -128, 256, 256, 0, 0)
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	SpriteFrame(-128, -128, 256, 256, 0, 0)
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	SpriteFrame(-384, -128, 256, 256, 0, 0)
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	SpriteFrame(128, -128, 256, 256, 0, 0)
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	SpriteFrame(-640, -384, 256, 256, 0, 0)
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	SpriteFrame(-128, -384, 256, 256, 0, 0)
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	SpriteFrame(-384, -384, 256, 256, 0, 0)
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	SpriteFrame(128, -384, 256, 256, 0, 0)
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	SpriteFrame(-128, -128, 256, 256, 0, 0)
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	SpriteFrame(-128, 128, 256, 256, 0, 0)
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	SpriteFrame(-384, 128, 256, 256, 0, 0)
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	SpriteFrame(128, 128, 256, 256, 0, 0)
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	object[1].type = TypeName[Special BG]
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	object[1].priority = PRIORITY_ACTIVE
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	object[1].drawOrder = 0
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end event
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// ========================
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// Editor Events
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// ========================
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event RSDKDraw
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	DrawSprite(0)
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end event
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event RSDKLoad
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	LoadSpriteSheet("Special/Background.gif")
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	SpriteFrame(-128, -128, 256, 256, 0, 0)
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	SetVariableAlias(ALIAS_VAR_PROPVAL, "unused")
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end event
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