Global Cam
Type SpriteSource
Field Mesh%, Surf%
Field Texture%
Field Mask%
Field Frames%, FramesPerRow%
Field Animated%
Field RefImage%
End Type
Function SpriteSource_Create%(ParentObject%, File$, Flags% = 4, FramesPerRow% = -1)
viewwidth=GraphicsWidth()
viewheight=GraphicsHeight()
S.SpriteSource = New SpriteSource
; NameEntity(magic,"pixiespace")
; aspect#=Float(viewheight)/viewwidth
; PositionEntity magic,-1,aspect,1
; scale#=2.0/viewwidth
; ScaleEntity magic,scale,-scale,-scale
S\Mesh = CreateMesh(ParentObject)
EntityFX(S\Mesh, 2+32)
S\Surf = CreateSurface(S\Mesh)
PositionEntity S\Mesh, -.5, .5, 0
S\Texture = LoadTexture(File, Flags)
S\RefImage = LoadImage(File)
If S\Texture <> 0 Then
EntityTexture S\Mesh, S\Texture
If FramesPerRow <> -1 And FramesPerRow > 0 Then
S\FramesPerRow = FramesPerRow
S\Animated = True
EndIf
EndIf
Return Handle(S)
End Function
Function SpriteSource_Mask(Source%, MaskTex%)
SR.SpriteSource = Object.SpriteSource(Source)
SR\Mask = MaskTex
EntityTexture(SR\Mesh, SR\Mask, 0, 1)
End Function
Function SpriteSource_TexBlend(Source%, Blend%)
S.SpriteSource = Object.SpriteSource(Source)
TextureBlend(S\Texture, Blend)
End Function
Function SpriteSource_Blend(Source%, Blend%)
SR.SpriteSource = Object.SpriteSource(Source)
EntityBlend(SR\Mesh, Blend)
End Function
Function SpriteSource_SetAnimation%(Source%, FramesPerRow%)
S.SpriteSource = Object.SpriteSource(Source)
S\FramesPerRow = FramesPerRow
S\Animated = True
End Function
Function SpriteSource_SetDrawOrder(Source%, Order%)
S.SpriteSource = Object.SpriteSource(Source)
EntityOrder(S\Mesh, Order)
End Function
;Build a sprite cache for the specified sprite source. Grab available sprites in the cache with
;SpriteSource_AvailSprite()
Function SpriteSource_CacheSprites(Source%, W%, H%, Count%)
S.SpriteSource = Object.SpriteSource(Source)
;If S = Null Then End
For CS = 1 To Count
Sprite_Create%(Source, W, H)
Next
End Function
Function SpriteSource_AvailSprite%(Source%)
SR.SpriteSource = Object.SpriteSource(Source)
For S.Sprite = Each Sprite
If S\Source = SR And S\Avail = True Then
S\Avail = False
Return Handle(S)
EndIf
Next
End Function
Type Sprite
Field Source.SpriteSource
Field VertRef%
Field TriRef%
Field Draw%
Field DrawX%, DrawY%
Field Width%, Height%
Field HandleX%, HandleY%
Field RotAngle#, OffsetAngle%
Field R%,G%, B%
Field CurFrameColumn#, CurFrame#, AnimTime%, AnimTimeMax%
Field Animated%
Field Active%
Field Avail%
End Type
Function Sprite_Create%(Source%, W% = 0, H% = 0)
S.Sprite = New Sprite
S\Source = Object.SpriteSource(Source)
S\Avail = True
If W = 0 Or H = 0 Then
S\Width = ImageWidth(S\Source\RefImage)
S\Height = ImageWidth(S\Source\RefImage)
Else
S\Width = W
S\Height = H
EndIf
S\R = 255
S\G = 255
S\B = 255
Sprite_CreateQuad(S)
Return Handle(S)
End Function
Function Sprite_Load(ParentObject, File$, Flags%, FramesPerRow= -1)
SpriteSource = SpriteSource_Create%(ParentObject, File, Flags, FramesPerRow)
Sprite = Sprite_Create(SpriteSource)
Return Spr
End Function
Function Sprite_Copy(Sprite)
S.Sprite = Object.Sprite(Sprite)
Return Sprite_Create(Handle(S\Source))
End Function
;Call this when you are no longer using the sprite in question.
Function Sprite_MakeAvailable(Sprite%)
S.Sprite = Object.Sprite(Sprite)
S\Avail = True
S\CurFrame = 0
S\CurFrameColumn = 0
End Function
;Resize the sprite to the specified dimensions
Function Sprite_Resize%(Sprite%, W%, H%)
S.Sprite = Object.Sprite(Sprite)
S\Width = W
S\Height = H
End Function
Function Sprite_GetWidth(Sprite%)
S.Sprite = Object.Sprite(Sprite)
Return S\Width
End Function
Function Sprite_GetHeight(Sprite%)
S.Sprite = Object.Sprite(Sprite)
Return S\Height
End Function
Function Sprite_Animate(Sprite%, Time%)
S.Sprite = Object.Sprite(Sprite)
If S\Source\Animated = True
S\AnimTimeMax = Time%
S\AnimTime = Time
S\Animated = True
EndIf
End Function
Function Sprite_SetFrame(Sprite%, Frame%)
S.Sprite = Object.Sprite(Sprite)
If Frame < S\Source\FramesPerRow ^ 2
CColumn% = Frame / S\Source\FramesPerRow
CFrame% = Frame - (Column * S\Source\FramesPerRow)
EndIf
S\CurFrame = CFrame
S\CurFrameColumn = CColumn
End Function
Function Sprite_Color(Sprite%, R%, G%, B%)
S.Sprite = Object.Sprite(Sprite)
S\R = R
S\G = G
S\B = B
VertexColor(S\Source\Surf, S\VertRef, R, G, B)
VertexColor(S\Source\Surf, S\VertRef+1, R, G, B)
VertexColor(S\Source\Surf, S\VertRef+2, R, G, B)
VertexColor(S\Source\Surf, S\VertRef+3, R, G, B)
End Function
Function Sprite_Alpha(Sprite%, Alpha#)
S.Sprite = Object.Sprite(Sprite)
VertexColor(S\Source\Surf, S\VertRef, S\R, S\G, S\B, Alpha)
VertexColor(S\Source\Surf, S\VertRef+1, S\R, S\G, S\B, Alpha)
VertexColor(S\Source\Surf, S\VertRef+2, S\R, S\G, S\B, Alpha)
VertexColor(S\Source\Surf, S\VertRef+3, S\R, S\G, S\B, Alpha)
End Function
Function Sprite_Draw(Sprite%, X, Y, Angle# = 0)
S.Sprite = Object.Sprite(Sprite)
S\Draw = True
S\DrawX = X
S\DrawY = Y
S\RotAngle = Angle
End Function
Function Sprite_Update(Delta# = 1.0)
For S.Sprite = Each Sprite
If S\Draw = True Then
If S\Source\Animated = True
S\AnimTime = S\AnimTime - 1
If S\AnimTime = 0 Then
S\AnimTime = S\AnimTimeMax
S\CurFrame = S\CurFrame + 1
If S\CurFrame = S\Source\FramesPerRow
S\CurFrame = 0
S\CurFrameColumn = S\CurFrameColumn + 1
If S\CurFrameColumn = S\Source\FramesPerRow
S\CurFrameColumn = 0
EndIf
EndIf
Dims# = 1.0 / Float(S\Source\FramesPerRow)
SU# = Dims * S\CurFrame
SV# = Dims * S\CurFrameColumn
VertexTexCoords(S\Source\Surf, S\VertRef, SU, SV)
VertexTexCoords(S\Source\Surf, S\VertRef+1, SU+Dims, SV)
VertexTexCoords(S\Source\Surf, S\VertRef+2, SU, SV+Dims)
VertexTexCoords(S\Source\Surf, S\VertRef+3, SU+Dims, SV+Dims)
EndIf
EndIf
S\Draw = False
EndIf
Next
End Function
Function Sprite_RenderAll()
For S.Sprite = Each Sprite
If S\Draw = True Then
;Top or "rear" vertices
Mag# = Sqr(S\Width*S\Width + S\Height*S\Height)*.5
CosVal# = Cos(S\RotAngle+S\OffsetAngle)
SinVal# = Sin(S\RotAngle+S\OffsetAngle)
Atan2Val# = ATan2(S\Height, S\Width)
VX# = (Cos((S\RotAngle+S\OffsetAngle) - Atan2Val)*Mag) + S\DrawX
VY# = (Sin((S\RotAngle+S\OffsetAngle) - Atan2Val)*Mag) + S\DrawY
VertexCoords(S\Source\Surf, S\VertRef+1, VX , VY, 0)
VX# = (Cos((S\RotAngle+S\OffsetAngle) + Atan2Val)*Mag) + S\DrawX
VY# = (Sin((S\RotAngle+S\OffsetAngle) + Atan2Val)*Mag) + S\DrawY
VertexCoords(S\Source\Surf, S\VertRef+3, VX , VY, 0)
VX# = (Cos((S\RotAngle+S\OffsetAngle+180) - Atan2Val)*Mag) + S\DrawX
VY# = (Sin((S\RotAngle+S\OffsetAngle+180) - Atan2Val)*Mag) + S\DrawY
VertexCoords(S\Source\Surf, S\VertRef+2, VX , VY, 0)
VX# = (Cos((S\RotAngle+S\OffsetAngle+180) + Atan2Val)*Mag) + S\DrawX
VY# = (Sin((S\RotAngle+S\OffsetAngle+180) + Atan2Val)*Mag) + S\DrawY
VertexCoords(S\Source\Surf, S\VertRef, VX , VY, 0)
ElseIf S\Draw = False Then
VX# = -100
VertexCoords(S\Source\Surf, S\VertRef+1, VX , VY, 0)
VertexCoords(S\Source\Surf, S\VertRef+3, VX , VY, 0)
VertexCoords(S\Source\Surf, S\VertRef+2, VX , VY, 0)
VertexCoords(S\Source\Surf, S\VertRef, VX , VY, 0)
EndIf
Next
End Function
Function Sprite_Flip(Sprite%, Dir%)
S.Sprite = Object.Sprite(Sprite)
If Dir = False Then
Else
EndIf
End Function
Function Sprite_CreateQuad(S.Sprite)
V1 = AddVertex(S\Source\Surf, 0, 0, 0, 0, 0)
V2 = AddVertex(S\Source\Surf, 0, 0, 0, 1.0, 0.0)
V3 = AddVertex(S\Source\Surf, 0, 0, 0, 0, 1.0)
V4 = AddVertex(S\Source\Surf, 0, 0, 0, 1.0, 1.0)
; VertexColor S\Source\Surf, V1, 255, 0, 0
; VertexColor S\Source\Surf, V2, 0, 255, 0
; VertexColor S\Source\Surf, V3, 0, 0, 255
; VertexColor S\Source\Surf, V4, 255, 255, 255
S\VertRef = V1
T1 = AddTriangle(S\Source\Surf, V1, V2, V3)
AddTriangle(S\Source\Surf, V3, V2, V4)
End Function |
