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-rw-r--r--Medley/src/menu/UMenuButton.pas647
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diff --git a/Medley/src/menu/UMenuButton.pas b/Medley/src/menu/UMenuButton.pas
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+{* UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *}
+
+unit UMenuButton;
+
+interface
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$I switches.inc}
+
+uses
+ TextGL,
+ UTexture,
+ gl,
+ UMenuText,
+ SDL,
+ UMenuInteract;
+
+type
+ CButton = class of TButton;
+
+ TButton = class
+ protected
+ SelectBool: boolean;
+
+ FadeProgress: real;
+ FadeLastTick: cardinal;
+
+ DeSelectW,
+ DeSelectH,
+ PosX,
+ PosY: real;
+
+
+ public
+ Text: array of TText;
+ Texture: TTexture; // Button Screen position and size
+ Texture2: TTexture; // second texture only used for fading full resolution covers
+
+ Colorized: boolean;
+ DeSelectTexture: TTexture; // texture for colorized hack
+
+ FadeTex: TTexture; //Texture for beautiful fading
+ FadeTexPos: byte; //Pos of the FadeTexture (0: Top, 1: Left, 2: Bottom, 3: Right)
+
+ DeselectType: integer; // not used yet
+ Visible: boolean;
+
+ Reflection: boolean;
+ Reflectionspacing,
+ DeSelectReflectionspacing: real;
+
+ Fade,
+ FadeText: boolean;
+
+ Selectable: boolean;
+
+ //Number of the Parent Collection, 0 if in no Collection
+ Parent: byte;
+
+ SelectColR,
+ SelectColG,
+ SelectColB,
+ SelectInt,
+ SelectTInt: real;
+ //Fade Mod
+ SelectW: real;
+ SelectH: real;
+
+ DeselectColR,
+ DeselectColG,
+ DeselectColB,
+ DeselectInt,
+ DeselectTInt: real;
+
+ procedure SetY(Value: real);
+ procedure SetX(Value: real);
+ procedure SetW(Value: real);
+ procedure SetH(Value: real);
+
+ procedure SetSelect(Value: boolean); virtual;
+ property X: real read PosX write SetX;
+ property Y: real read PosY write SetY;
+ property Z: real read Texture.z write Texture.z;
+ property W: real read DeSelectW write SetW;
+ property H: real read DeSelectH write SetH;
+ property Selected: boolean read SelectBool write SetSelect;
+
+ procedure Draw; virtual;
+
+ constructor Create(); overload;
+ constructor Create(Textura: TTexture); overload;
+ constructor Create(Textura, DSTexture: TTexture); overload;
+ destructor Destroy; override;
+
+ function GetMouseOverArea: TMouseOverRect;
+ end;
+
+implementation
+
+uses
+ SysUtils,
+ UDrawTexture;
+
+procedure TButton.SetX(Value: real);
+{var
+ dx: real;
+ T: integer; // text}
+begin
+ {dY := Value - Texture.y;
+
+ Texture.X := Value;
+
+ for T := 0 to High(Text) do
+ Text[T].X := Text[T].X + dY;}
+
+ PosX := Value;
+ if (FadeTex.TexNum = 0) then
+ Texture.X := Value;
+
+end;
+
+procedure TButton.SetY(Value: real);
+{var
+ dY: real;
+ T: integer; // text}
+begin
+ {dY := Value - PosY;
+
+
+ for T := 0 to High(Text) do
+ Text[T].Y := Text[T].Y + dY;}
+
+ PosY := Value;
+ if (FadeTex.TexNum = 0) then
+ Texture.y := Value;
+end;
+
+procedure TButton.SetW(Value: real);
+begin
+ if SelectW = DeSelectW then
+ SelectW := Value;
+
+ DeSelectW := Value;
+
+ if not Fade then
+ begin
+ if SelectBool then
+ Texture.W := SelectW
+ else
+ Texture.W := DeSelectW;
+ end;
+end;
+
+procedure TButton.SetH(Value: real);
+begin
+ if SelectH = DeSelectH then
+ SelectH := Value;
+
+ DeSelectH := Value;
+
+ if not Fade then
+ begin
+ if SelectBool then
+ Texture.H := SelectH
+ else
+ Texture.H := DeSelectH;
+ end;
+end;
+
+procedure TButton.SetSelect(Value : boolean);
+var
+ T: integer;
+begin
+ SelectBool := Value;
+
+ if (Value) then
+ begin
+ Texture.ColR := SelectColR;
+ Texture.ColG := SelectColG;
+ Texture.ColB := SelectColB;
+ Texture.Int := SelectInt;
+
+ Texture2.ColR := SelectColR;
+ Texture2.ColG := SelectColG;
+ Texture2.ColB := SelectColB;
+ Texture2.Int := SelectInt;
+
+ for T := 0 to High(Text) do
+ Text[T].Int := SelectTInt;
+
+ //Fade Mod
+ if Fade then
+ begin
+ if (FadeProgress <= 0) then
+ FadeProgress := 0.125;
+ end
+ else
+ begin
+ Texture.W := SelectW;
+ Texture.H := SelectH;
+ end;
+ end
+ else
+ begin
+ Texture.ColR := DeselectColR;
+ Texture.ColG := DeselectColG;
+ Texture.ColB := DeselectColB;
+ Texture.Int := DeselectInt;
+
+ Texture2.ColR := DeselectColR;
+ Texture2.ColG := DeselectColG;
+ Texture2.ColB := DeselectColB;
+ Texture2.Int := DeselectInt;
+
+ for T := 0 to High(Text) do
+ Text[T].Int := DeselectTInt;
+
+ //Fade Mod
+ if Fade then
+ begin
+ if (FadeProgress >= 1) then
+ FadeProgress := 0.875;
+ end
+ else
+ begin
+ Texture.W := DeSelectW;
+ Texture.H := DeSelectH;
+ end;
+ end;
+end;
+
+// ***** Public methods ****** //
+
+procedure TButton.Draw;
+var
+ T: integer;
+ Tick: cardinal;
+ Spacing: real;
+begin
+ if Visible then
+ begin
+ //Fade Mod
+ T:=0;
+ if Fade then
+ begin
+ if (FadeProgress < 1) and (FadeProgress > 0) then
+ begin
+ Tick := SDL_GetTicks() div 16;
+ if (Tick <> FadeLastTick) then
+ begin
+ FadeLastTick := Tick;
+
+ if SelectBool then
+ FadeProgress := FadeProgress + 0.125
+ else
+ FadeProgress := FadeProgress - 0.125;
+
+ if (FadeText) then
+ begin
+ for T := 0 to high(Text) do
+ begin
+ Text[T].MoveX := (SelectW - DeSelectW) * FadeProgress;
+ Text[T].MoveY := (SelectH - DeSelectH) * FadeProgress;
+ end;
+ end;
+
+ end;
+ end;
+
+ //Method without Fade Texture
+ if (FadeTex.TexNum = 0) then
+ begin
+ Texture.W := DeSelectW + (SelectW - DeSelectW) * FadeProgress;
+ Texture.H := DeSelectH + (SelectH - DeSelectH) * FadeProgress;
+ DeSelectTexture.W := Texture.W;
+ DeSelectTexture.H := Texture.H;
+ end
+ else //method with Fade Texture
+ begin
+ Texture.W := DeSelectW;
+ Texture.H := DeSelectH;
+ DeSelectTexture.W := Texture.W;
+ DeSelectTexture.H := Texture.H;
+
+ FadeTex.ColR := Texture.ColR;
+ FadeTex.ColG := Texture.ColG;
+ FadeTex.ColB := Texture.ColB;
+ FadeTex.Int := Texture.Int;
+
+ FadeTex.Z := Texture.Z;
+
+ FadeTex.Alpha := Texture.Alpha;
+ FadeTex.TexX1 := 0;
+ FadeTex.TexX2 := 1;
+ FadeTex.TexY1 := 0;
+ FadeTex.TexY2 := 1;
+
+ case FadeTexPos of
+ 0: //FadeTex on Top
+ begin
+ //Standard Texture
+ Texture.X := PosX;
+ Texture.Y := PosY + (SelectH - DeSelectH) * FadeProgress;
+ DeSelectTexture.X := Texture.X;
+ DeSelectTexture.Y := Texture.Y;
+ //Fade Tex
+ FadeTex.X := PosX;
+ FadeTex.Y := PosY;
+ FadeTex.W := Texture.W;
+ FadeTex.H := (SelectH - DeSelectH) * FadeProgress;
+ FadeTex.ScaleW := Texture.ScaleW;
+ //Some Hack that Fixes a little Space between both Textures
+ FadeTex.TexY2 := 0.9;
+ end;
+ 1: //FadeTex on Left
+ begin
+ //Standard Texture
+ Texture.X := PosX + (SelectW - DeSelectW) * FadeProgress;
+ Texture.Y := PosY;
+ DeSelectTexture.X := Texture.X;
+ DeSelectTexture.Y := Texture.Y;
+ //Fade Tex
+ FadeTex.X := PosX;
+ FadeTex.Y := PosY;
+ FadeTex.H := Texture.H;
+ FadeTex.W := (SelectW - DeSelectW) * FadeProgress;
+ FadeTex.ScaleH := Texture.ScaleH;
+ //Some Hack that Fixes a little Space between both Textures
+ FadeTex.TexX2 := 0.9;
+ end;
+ 2: //FadeTex on Bottom
+ begin
+ //Standard Texture
+ Texture.X := PosX;
+ Texture.Y := PosY;
+ DeSelectTexture.X := Texture.X;
+ DeSelectTexture.Y := Texture.Y;
+ //Fade Tex
+ FadeTex.X := PosX;
+ FadeTex.Y := PosY + (SelectH - DeSelectH) * FadeProgress;;
+ FadeTex.W := Texture.W;
+ FadeTex.H := (SelectH - DeSelectH) * FadeProgress;
+ FadeTex.ScaleW := Texture.ScaleW;
+ //Some Hack that Fixes a little Space between both Textures
+ FadeTex.TexY1 := 0.1;
+ end;
+ 3: //FadeTex on Right
+ begin
+ //Standard Texture
+ Texture.X := PosX;
+ Texture.Y := PosY;
+ DeSelectTexture.X := Texture.X;
+ DeSelectTexture.Y := Texture.Y;
+ //Fade Tex
+ FadeTex.X := PosX + (SelectW - DeSelectW) * FadeProgress;
+ FadeTex.Y := PosY;
+ FadeTex.H := Texture.H;
+ FadeTex.W := (SelectW - DeSelectW) * FadeProgress;
+ FadeTex.ScaleH := Texture.ScaleH;
+ //Some Hack that Fixes a little Space between both Textures
+ FadeTex.TexX1 := 0.1;
+ end;
+ end;
+ end;
+ end
+ else if (FadeText) then
+ begin
+ Text[T].MoveX := (SelectW - DeSelectW);
+ Text[T].MoveY := (SelectH - DeSelectH);
+ end;
+
+ if SelectBool or (FadeProgress > 0) or not Colorized then
+ DrawTexture(Texture)
+ else
+ begin
+ DeSelectTexture.X := Texture.X;
+ DeSelectTexture.Y := Texture.Y;
+ DeSelectTexture.H := Texture.H;
+ DeSelectTexture.W := Texture.W;
+ DrawTexture(DeSelectTexture);
+ end;
+
+ //Draw FadeTex
+ if (FadeTex.TexNum > 0) then
+ DrawTexture(FadeTex);
+
+ if Texture2.Alpha > 0 then
+ begin
+ Texture2.ScaleW := Texture.ScaleW;
+ Texture2.ScaleH := Texture.ScaleH;
+
+ Texture2.X := Texture.X;
+ Texture2.Y := Texture.Y;
+ Texture2.W := Texture.W;
+ Texture2.H := Texture.H;
+
+ Texture2.ColR := Texture.ColR;
+ Texture2.ColG := Texture.ColG;
+ Texture2.ColB := Texture.ColB;
+ Texture2.Int := Texture.Int;
+
+ Texture2.Z := Texture.Z;
+
+ DrawTexture(Texture2);
+ end;
+
+ //Reflection Mod
+ if (Reflection) then // Draw Reflections
+ begin
+ if (FadeProgress <> 0) and (FadeProgress <> 1) then
+ begin
+ Spacing := DeSelectReflectionspacing - (DeSelectReflectionspacing - Reflectionspacing) * FadeProgress;
+ end
+ else if SelectBool then
+ Spacing := Reflectionspacing
+ else
+ Spacing := DeSelectReflectionspacing;
+
+ if SelectBool or not Colorized then
+ with Texture do
+ begin
+ //Bind Tex and GL Attributes
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+
+ glDepthRange(0, 10);
+ glDepthFunc(GL_LEQUAL);
+ glEnable(GL_DEPTH_TEST);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glBindTexture(GL_TEXTURE_2D, TexNum);
+
+ //Draw
+ glBegin(GL_QUADS);//Top Left
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, Alpha-0.3);
+ glTexCoord2f(TexX1*TexW, TexY2*TexH);
+ glVertex3f(x, y+h*scaleH+ Spacing, z);
+
+ //Bottom Left
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, 0);
+ glTexCoord2f(TexX1*TexW, TexY1+TexH*0.5);
+ glVertex3f(x, y+h*scaleH + h*scaleH/2 + Spacing, z);
+
+
+ //Bottom Right
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, 0);
+ glTexCoord2f(TexX2*TexW, TexY1+TexH*0.5);
+ glVertex3f(x+w*scaleW, y+h*scaleH + h*scaleH/2 + Spacing, z);
+
+ //Top Right
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, Alpha-0.3);
+ glTexCoord2f(TexX2*TexW, TexY2*TexH);
+ glVertex3f(x+w*scaleW, y+h*scaleH + Spacing, z);
+ glEnd;
+
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_BLEND);
+ end
+ else
+ with DeSelectTexture do
+ begin
+ //Bind Tex and GL Attributes
+ glEnable(GL_TEXTURE_2D);
+ glEnable(GL_BLEND);
+
+ glDepthRange(0, 10);
+ glDepthFunc(GL_LEQUAL);
+ glEnable(GL_DEPTH_TEST);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glBindTexture(GL_TEXTURE_2D, TexNum);
+
+ //Draw
+ glBegin(GL_QUADS);//Top Left
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, Alpha-0.3);
+ glTexCoord2f(TexX1*TexW, TexY2*TexH);
+ glVertex3f(x, y+h*scaleH+ Spacing, z);
+
+ //Bottom Left
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, 0);
+ glTexCoord2f(TexX1*TexW, TexY1+TexH*0.5);
+ glVertex3f(x, y+h*scaleH + h*scaleH/2 + Spacing, z);
+
+ //Bottom Right
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, 0);
+ glTexCoord2f(TexX2*TexW, TexY1+TexH*0.5);
+ glVertex3f(x+w*scaleW, y+h*scaleH + h*scaleH/2 + Spacing, z);
+
+ //Top Right
+ glColor4f(ColR * Int, ColG * Int, ColB * Int, Alpha-0.3);
+ glTexCoord2f(TexX2*TexW, TexY2*TexH);
+ glVertex3f(x+w*scaleW, y+h*scaleH + Spacing, z);
+ glEnd;
+
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_BLEND);
+ end;
+ end;
+
+ for T := 0 to High(Text) do
+ begin
+ Text[T].Draw;
+ end;
+ end;
+end;
+
+function TButton.GetMouseOverArea: TMouseOverRect;
+begin
+ if (FadeTex.TexNum = 0) then
+ begin
+ Result.X := Texture.X;
+ Result.Y := Texture.Y;
+ Result.W := Texture.W;
+ Result.H := Texture.H;
+ end
+ else
+ begin
+ case FadeTexPos of
+ 0: begin // fade tex on top
+ Result.X := Texture.X;
+ Result.Y := FadeTex.Y;
+ Result.W := Texture.W;
+ Result.H := FadeTex.H + Texture.H;
+ end;
+
+ 1: begin // fade tex on left side
+ Result.X := FadeTex.X;
+ Result.Y := Texture.Y;
+ Result.W := FadeTex.W + Texture.W;
+ Result.H := Texture.H;
+ end;
+
+ 2: begin // fade tex on bottom
+ Result.X := Texture.X;
+ Result.Y := Texture.Y;
+ Result.W := Texture.W;
+ Result.H := FadeTex.H + Texture.H;
+ end;
+
+ 3: begin // fade tex on right side
+ Result.X := Texture.X;
+ Result.Y := Texture.Y;
+ Result.W := FadeTex.W + Texture.W;
+ Result.H := Texture.H;
+ end;
+ end;
+ end;
+end;
+
+
+destructor TButton.Destroy;
+begin
+ inherited;
+end;
+
+constructor TButton.Create();
+begin
+ inherited Create;
+ // We initialize all to 0, nil or false
+ Visible := true;
+ SelectBool := false;
+ DeselectType := 0;
+ Selectable := true;
+ Reflection := false;
+ Colorized := false;
+
+ SelectColR := 1;
+ SelectColG := 1;
+ SelectColB := 1;
+ SelectInt := 1;
+ SelectTInt := 1;
+
+ DeselectColR := 1;
+ DeselectColG := 1;
+ DeselectColB := 1;
+ DeselectInt := 0.5;
+ DeselectTInt := 1;
+
+ Fade := false;
+ FadeTex.TexNum := 0;
+ FadeProgress := 0;
+ FadeText := false;
+ SelectW := DeSelectW;
+ SelectH := DeSelectH;
+
+ PosX := 0;
+ PosY := 0;
+
+ Parent := 0;
+end;
+
+constructor TButton.Create(Textura: TTexture);
+begin
+ Create();
+ Texture := Textura;
+ DeSelectTexture := Textura;
+ Texture.ColR := 0;
+ Texture.ColG := 0.5;
+ Texture.ColB := 0;
+ Texture.Int := 1;
+ Colorized := false;
+end;
+
+// Button has the texture-type "colorized"
+// Two textures are generated, one with Col the other one with DCol
+// Check UMenu.pas line 680 to see the call ( AddButton() )
+constructor TButton.Create(Textura, DSTexture: TTexture);
+begin
+ Create();
+ Texture := Textura;
+ DeSelectTexture := DSTexture;
+ Texture.ColR := 1;
+ Texture.ColG := 1;
+ Texture.ColB := 1;
+ Texture.Int := 1;
+ Colorized := true;
+end;
+
+end.