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Renderer.pas
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Renderer.pas
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{Copyright (c) 2008- Ville Krumlinde
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.}
unit Renderer;
interface
uses Meshes,ZClasses,ZBitmap,ZExpressions;
type
TRenderCommand = class(TCommand);
TFont = class;
TShader = class;
TRenderTarget = class;
TMaterialShading = (msSmooth,msFlat,msWireframe);
TMaterialTexCoords = (tcGenerated,tcModelDefined);
TMaterial = class(TZComponent)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Textures : TZComponentList;
Shading : TMaterialShading;
Color : TZColorf;
Light : boolean;
Blend : (mbNoBlend,mbA_1MSA,mbA_1,mbC_1MSC,mbAlphaSat_1,mb1MSA_A);
ZBuffer : boolean;
DrawBackFace : boolean;
Font : TFont;
Shader : TShader;
WireframeWidth : single;
SpecularColor,EmissionColor : TZColorf;
Shininess : integer;
end;
TMaterialTexture = class(TZComponent)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Texture : TZBitmap;
RenderTarget : TRenderTarget;
TextureScale : TZVector3f;
TextureX,TextureY : single;
TextureRotate : single;
TextureWrapMode : (tmMirror,tmTile,tmClamp);
TexCoords : TMaterialTexCoords;
Origin : TZVector3f;
{$ifndef minimal}function GetDisplayName: AnsiString; override;{$endif}
end;
TShaderVariable = class(TZComponent)
private
Location : integer;
TextureHandle : integer;
protected
procedure DefineProperties(List: TZPropertyList); override;
public
VariableName : TPropString;
Value : single;
ValuePropRef : TZExpressionPropValue;
ValueArrayRef : TDefineArray;
ArrayKind : (sakTexture2D,sakMat4);
VariableRef : TDefineVariable;
procedure ResetGpuResources; override;
{$ifndef minimal}
function GetDisplayName: AnsiString; override;
{$endif}
destructor Destroy; override;
end;
TShader = class(TZComponent)
strict private
VShaderHandle,FShaderHandle : cardinal;
LastVariableUpdate : single;
TexCount,FirstTexIndex : integer;
procedure ReInit;
procedure CleanUp;
procedure UpdateVariableLocations;
procedure UpdateVariableValues;
protected
procedure DefineProperties(List: TZPropertyList); override;
public
VertexShaderSource : TPropString;
FragmentShaderSource : TPropString;
UniformVariables : TZComponentList;
UpdateVarsOnEachUse : boolean;
ProgHandle : integer;
BeforeLinkExpression : TZExpressionPropValue;
MvpLoc,MvLoc,ProjLoc,TexMatLoc,NormMatLoc,GlobColLoc : Integer;
destructor Destroy; override;
procedure ResetGpuResources; override;
procedure DetachArrayVariables;
procedure UseShader;
end;
//Render-commands
TUseMaterial = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Material : TMaterial;
procedure Execute; override;
{$ifndef minimal}function GetDisplayName: AnsiString; override;{$endif}
end;
TRenderMesh = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Mesh : TMesh;
procedure Execute; override;
{$ifndef minimal}function GetDisplayName: AnsiString; override;{$endif}
end;
TRenderTransform = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Scale : TZVector3f;
Translate : TZVector3f;
Rotate : TZVector3f;
procedure Execute; override;
end;
TSpriteSheet = class;
TRenderSprite = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
SpriteSheet : TSpriteSheet;
SpriteIndex : integer;
MirrorHorizontal,MirrorVertical : boolean;
procedure Execute; override;
end;
TSpriteSheet = class(TZComponent)
strict private
type
PSpriteInfo = ^TSpriteInfo;
TSpriteInfo = packed record
SheetX,SheetY,SizeX,SizeY,OriginX,OriginY : smallint;
end;
function GetSpriteInfo(const Index : integer) : PSpriteInfo;
protected
procedure DefineProperties(List: TZPropertyList); override;
procedure Render(Rs : TRenderSprite);
public
Bitmap : TZBitmap;
SpriteData : TZBinaryPropValue;
end;
TTileSet = class(TZComponent)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Bitmap : TZBitmap;
TileWidth,TileHeight,TileBorder : integer;
{$ifndef minimal}
constructor Create(OwnerList: TZComponentList); override;
{$endif}
end;
TRenderTile = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
TileSet : TTileSet;
TileIndex,OriginX,OriginY : integer;
MirrorHorizontal,MirrorVertical : boolean;
procedure Execute; override;
end;
TRenderBeams = class(TRenderCommand)
private
Beams : TZArrayList;
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Count : integer;
Length : single;
Width : single;
Speed : single;
procedure Execute; override;
procedure Update; override;
constructor Create(OwnerList: TZComponentList); override;
destructor Destroy; override;
end;
TRenderTransformGroup = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Scale : TZVector3f;
Translate : TZVector3f;
Rotate : TZVector3f;
Children : TZComponentList;
procedure Execute; override;
procedure Update; override;
end;
TFont = class(TZComponent)
{$ifndef fpc}strict{$endif}private
IsInit : boolean;
FontSizes : array[0..2] of TZComponentList;
BmStruct :
record
ScaleX,ScaleY : single;
TransX,TransY : single;
TopLeftY : single;
CharsPerRow : integer;
end;
procedure InitFromBitmap;
procedure InitBuiltIn;
private
procedure Prepare;
protected
procedure RenderCharacter(Char : integer; Size : integer; const IsFirst : boolean);
procedure DefineProperties(List: TZPropertyList); override;
public
Bitmap : TZBitmap;
CharPixelWidth : integer;
CharPixelHeight : integer;
FirstChar : integer;
BorderPixels : integer;
destructor Destroy; override;
end;
TRenderText = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Text : TPropString; //Text att printa
TextFloatRef : TZExpressionPropValue; //Propvalue att printa, en av dessa gäller
TextArrayRef : pointer; //DefineArray to print
X,Y,Scale : single;
Align : (alCenter,alLeft);
CharX,CharY,CharRotate,CharScale : single;
CharI : integer;
RenderCharExpression : TZExpressionPropValue;
FloatMultiply : single; //Multiplicera floatref innan print, för att visa decimaltal
UseModelSpace : boolean;
StretchY : single;
procedure Execute; override;
procedure ResetGpuResources; override;
{$ifndef minimal}
function GetDisplayName: AnsiString; override;
{$endif}
end;
//Set the current GL-color
TRenderSetColor = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Color : TZColorf;
procedure Execute; override;
end;
TRenderNet = class(TRenderCommand)
private
Mesh : TMesh;
protected
procedure DefineProperties(List: TZPropertyList); override;
public
XCount,YCount : integer;
RenderVertexExpression : TZExpressionPropValue;
Vertex : TZVector3f;
TexCoord : TZVector3f;
Color : TZColorf;
VertexColors : boolean;
procedure Execute; override;
destructor Destroy; override;
end;
TRenderParticles = class(TRenderCommand)
private
RenderBuffer : PFloat;
RenderBufferSize : integer;
Particles : TZArrayList;
EmitTime,Time : single;
PColor : TZColorf;
PAngle : single;
function EmitParticle : TObject;
protected
procedure DefineProperties(List: TZPropertyList); override;
public
ParticlesPerSecond : single;
Direction : single;
Spread : single;
ParticleWidth : single;
ParticleHeight : single;
ParticleLifetime : single;
Speed,SpeedRange : single;
Radius : single;
AnimateAlpha,AnimateSize,Damping : single;
Duration : single;
BeginTime : single;
Gravity : TZVector3f;
FollowModel : boolean;
OnEmitExpression : TZExpressionPropValue;
procedure Execute; override;
constructor Create(OwnerList: TZComponentList); override;
destructor Destroy; override;
procedure Update; override;
{$ifndef minimal}
procedure DesignerReset; override;
{$endif}
end;
TRenderTarget = class(TZComponent)
strict private
TexId,RboId,FboId : integer;
{$ifndef minimal}
LastW,LastH : integer;
{$endif}
procedure CleanUp;
protected
procedure Activate;
procedure DefineProperties(List: TZPropertyList); override;
public
ClearBeforeUse : boolean;
AutoPowerOfTwo : boolean;
ClearColor : TZColorf;
Width,Height : (rtsScreenSize,rtsHalfScreen,rtsQuartScreen,rts128,rts256,rts512);
CustomWidth,CustomHeight : integer;
UseMultisample : boolean;
destructor Destroy; override;
procedure ResetGpuResources; override;
procedure UseTextureBegin;
end;
TSetRenderTarget = class(TRenderCommand)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
RenderTarget : TRenderTarget;
procedure Execute; override;
{$ifndef minimal}function GetDisplayName: AnsiString; override;{$endif}
end;
TLight = class(TZComponent)
protected
procedure DefineProperties(List: TZPropertyList); override;
public
Position : TZVector4f;
Color : TZColorf;
Enabled : boolean;
Kind : (likDirectional,likPoint,likSpot);
SpotDirection : TZVector3f;
SpotExponent : single;
SpotCutoff : single;
procedure ApplyLight(const LightId : integer);
procedure RemoveLight(const LightId : integer);
end;
procedure RenderModel(Model : TModel);
procedure ApplyModelTransform(Model : TModel);
{$ifndef minimal}
procedure CleanUp;
procedure DesignerRenderStop;
var
IsRendering : boolean;
NormalsVisible : boolean;
CollisionBoundsVisible : boolean;
{$endif}
var
CurrentRenderTarget : TRenderTarget;
DefaultMaterial : TMaterial = nil;
DefaultMaterialTexture : TMaterialTexture = nil;
implementation
{$POINTERMATH ON}
uses ZOpenGL, ZMath, ZApplication, ZPlatform, ZLog, GLDrivers
{$ifdef zlog},SysUtils{$endif};
var
DefaultFont : TFont = nil;
{ TRenderer }
{$ifndef minimal}
//Draw area around collision bounds
//Code originally in Z-script by Kjell
procedure RenderCollisionBounds(const Style : integer;
const Rx,Ry,Rz : single;
const Sx,Sy,Sz : single;
const Bx,By,Bz : single;
const Ox,Oy,Oz : single);
procedure renderRect(const W,H : single);
begin
glBegin(2);
glVertex2f(W ,H );
glVertex2f(W*-1,H );
glVertex2f(W*-1,H*-1);
glVertex2f(W ,H*-1);
glEnd();
end;
procedure renderCircle(const S : single);
var
X,R : single;
I : integer;
begin
glBegin(2);
X := 0;
for I := 0 to 31 do
begin
R := X*PI*2;
glVertex2f(sin(R)*S,cos(R)*S);
X := X + 1/32;
end;
glEnd();
end;
begin
glPushAttrib(GL_ALL_ATTRIB_BITS);
glColor3f(1,0,0);
glLineWidth(1);
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glPushMatrix();
glScalef(1/SX,1/SY,1/SZ);
glRotatef(RZ*360,0,0,-1);
glRotatef(RY*360,0,-1,0);
glRotatef(RX*360,-1,0,0);
glTranslatef(OX,OY,OZ);
case Style of
0: // Rect2D
renderRect(BX*0.5,BY*0.5);
1: // Sphere3D
begin
renderCircle(BX);
glRotatef(90,1,0,0);
renderCircle(BX);
glRotatef(90,0,1,0);
renderCircle(BX);
end;
2: // Box3D
begin
glTranslatef(0,0,BZ);
renderRect(BX,BY);
glTranslatef(0,0,BZ*-2);
renderRect(BX,BY);
glBegin(1);
glVertex3f(BX ,BY ,0 );
glVertex3f(BX ,BY ,BZ*2);
glVertex3f(BX*-1,BY ,0 );
glVertex3f(BX*-1,BY ,BZ*2);
glVertex3f(BX*-1,BY*-1,0 );
glVertex3f(BX*-1,BY*-1,BZ*2);
glVertex3f(BX ,BY*-1,0 );
glVertex3f(BX ,BY*-1,BZ*2);
glEnd();
end;
3: // Rect2D_OBB
begin
glRotatef(RZ*360,0,0,1);
glScalef(SX,SY,0);
renderRect(BX*0.5,BY*0.5);
end;
4: // Circle2D
renderCircle(BX);
end;
glPopMatrix();
glPopAttrib;
end;
{$endif}
procedure ApplyModelTransform(Model : TModel);
var
Driver : TGLDriverBase;
begin
Driver := Model.ZApp.Driver;
Driver.Translate(Model.Position[0],Model.Position[1],Model.Position[2]);
Driver.ApplyRotation(Model.Rotation);
Driver.UpdateNormalMatrix;
if not VecIsIdentity3(Model.Scale) then
Driver.Scale(Model.Scale[0],Model.Scale[1],Model.Scale[2]);
end;
procedure RenderModel(Model : TModel);
var
Driver : TGLDriverBase;
begin
Driver := Model.ZApp.Driver;
Driver.PushMatrix();
ApplyModelTransform(Model);
{$ifndef minimal}
if CollisionBoundsVisible then
Driver.PushMatrix();
{$endif}
Model.RunRenderCommands;
{$ifndef minimal}
if CollisionBoundsVisible then
begin
Driver.PopMatrix();
RenderCollisionBounds( Ord(Model.CollisionStyle),
Model.Rotation[0],
Model.Rotation[1],
Model.Rotation[2],
Model.Scale[0],
Model.Scale[1],
Model.Scale[2],
Model.CollisionBounds.Area[0],
Model.CollisionBounds.Area[1],
Model.CollisionBounds.Area[2],
Model.CollisionOffset[0],
Model.CollisionOffset[1],
Model.CollisionOffset[2]);
end;
{$endif}
Driver.PopMatrix();
end;
{ TMaterial }
procedure TMaterial.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Textures',{$ENDIF}(@Textures), zptComponentList);
{$ifndef minimal}List.GetLast.SetChildClasses([TMaterialTexture]);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'WireframeWidth',{$ENDIF}(@WireframeWidth), zptFloat);
List.GetLast.DefaultValue.FloatValue:=4.0;
List.AddProperty({$IFNDEF MINIMAL}'Shading',{$ENDIF}(@Shading), zptByte);
{$ifndef minimal}List.GetLast.SetOptions(['Smooth','Flat','Wireframe']);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'Color',{$ENDIF}(@Color), zptColorf);
List.GetLast.DefaultValue.ColorfValue := TZColorf(ZMath.UNIT_XYZ4);
List.AddProperty({$IFNDEF MINIMAL}'Light',{$ENDIF}(@Light), zptBoolean);
List.GetLast.DefaultValue.BooleanValue:=True;
List.AddProperty({$IFNDEF MINIMAL}'SpecularColor',{$ENDIF}(@SpecularColor), zptColorf);
List.AddProperty({$IFNDEF MINIMAL}'EmissionColor',{$ENDIF}(@EmissionColor), zptColorf);
List.AddProperty({$IFNDEF MINIMAL}'Shininess',{$ENDIF}(@Shininess), zptInteger);
List.AddProperty({$IFNDEF MINIMAL}'Blend',{$ENDIF}(@Blend), zptByte);
{$ifndef minimal}List.GetLast.SetOptions(['None','Alpha/OneMinusSourceAlpha','Alpha/One','Color/OneMinusSourceColor','AlphaSaturate/One','OneMinusSourceAlpha/Alpha']);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'ZBuffer',{$ENDIF}(@ZBuffer), zptBoolean);
List.GetLast.DefaultValue.BooleanValue:=True;
List.AddProperty({$IFNDEF MINIMAL}'DrawBackFace',{$ENDIF}(@DrawBackFace), zptBoolean);
List.AddProperty({$IFNDEF MINIMAL}'Font',{$ENDIF}(@Font), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TFont]);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'Shader',{$ENDIF}(@Shader), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TShader]);{$endif}
end;
{ TUseMaterial }
procedure TUseMaterial.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Material',{$ENDIF}(@Material), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TMaterial]);{$endif}
{$ifndef minimal}List.GetLast.NeedRefreshNodeName := True;{$endif}
end;
procedure TUseMaterial.Execute;
begin
Self.ZApp.Driver.EnableMaterial(Self.Material);
end;
{$ifndef minimal}
function TUseMaterial.GetDisplayName: AnsiString;
begin
Result := inherited GetDisplayName;
if Assigned(Material) then
Result := Result + ' ' + Material.Name;
end;
{$endif}
{ TRenderMesh }
procedure TRenderMesh.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Mesh',{$ENDIF}(@Mesh), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TMesh]);{$endif}
{$ifndef minimal}List.GetLast.NeedRefreshNodeName := True;{$endif}
end;
procedure TRenderMesh.Execute;
begin
{$ifndef minimal}
if Mesh=nil then
Exit;
{$endif}
Self.ZApp.Driver.RenderMesh(Mesh);
end;
{$ifndef minimal}
function TRenderMesh.GetDisplayName: AnsiString;
begin
Result := inherited GetDisplayName;
if Assigned(Mesh) then
Result := Result + ' ' + Mesh.Name;
end;
{$endif}
{ TRenderTransform }
procedure TRenderTransform.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Scale',{$ENDIF}(@Scale), zptVector3f);
List.GetLast.DefaultValue.Vector3fValue := ZMath.UNIT_XYZ3;
List.AddProperty({$IFNDEF MINIMAL}'Translate',{$ENDIF}(@Translate), zptVector3f);
List.AddProperty({$IFNDEF MINIMAL}'Rotate',{$ENDIF}(@Rotate), zptVector3f);
end;
procedure TRenderTransform.Execute;
//Transforms the current matrix
var
Driver : TGLDriverBase;
begin
Driver := Self.ZApp.Driver;
Driver.Translate(Translate[0],Translate[1],Translate[2]);
Driver.ApplyRotation(Rotate);
if not VecIsIdentity3(Scale) then
Driver.Scale(Scale[0],Scale[1],Scale[2]);
end;
{ TRenderTransformGroup }
procedure TRenderTransformGroup.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Scale',{$ENDIF}(@Scale), zptVector3f);
List.GetLast.DefaultValue.Vector3fValue := ZMath.UNIT_XYZ3;
List.AddProperty({$IFNDEF MINIMAL}'Translate',{$ENDIF}(@Translate), zptVector3f);
List.AddProperty({$IFNDEF MINIMAL}'Rotate',{$ENDIF}(@Rotate), zptVector3f);
List.AddProperty({$IFNDEF MINIMAL}'Children',{$ENDIF}(@Children), zptComponentList);
end;
procedure TRenderTransformGroup.Execute;
var
Driver : TGLDriverBase;
begin
Driver := Self.ZApp.Driver;
Driver.PushMatrix();
Driver.Translate(Translate[0],Translate[1],Translate[2]);
Driver.ApplyRotation(Rotate);
if not VecIsIdentity3(Scale) then
Driver.Scale(Scale[0],Scale[1],Scale[2]);
Children.ExecuteCommands;
Driver.PopMatrix();
end;
procedure TRenderTransformGroup.Update;
begin
inherited;
Children.Update;
end;
{ TRenderSprite }
procedure TRenderSprite.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'SpriteSheet',{$ENDIF}(@SpriteSheet), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TSpriteSheet]);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'SpriteIndex',{$ENDIF}(@SpriteIndex), zptInteger);
List.AddProperty({$IFNDEF MINIMAL}'MirrorHorizontal',{$ENDIF}(@MirrorHorizontal), zptBoolean);
List.AddProperty({$IFNDEF MINIMAL}'MirrorVertical',{$ENDIF}(@MirrorVertical), zptBoolean);
end;
procedure TRenderSprite.Execute;
var
Driver : TGLDriverBase;
begin
Driver := Self.ZApp.Driver;
if Assigned(Self.SpriteSheet) then
Self.SpriteSheet.Render(Self)
else
Driver.RenderUnitQuad;
end;
{ TRenderBeams }
type
TBeam = class
private
Width,Angle : single;
AngleInc : single;
end;
constructor TRenderBeams.Create(OwnerList: TZComponentList);
begin
inherited Create(OwnerList);
Beams := TZArrayList.Create;
end;
destructor TRenderBeams.Destroy;
begin
Beams.Free;
inherited;
end;
procedure TRenderBeams.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Count',{$ENDIF}(@Count), zptInteger);
List.AddProperty({$IFNDEF MINIMAL}'Length',{$ENDIF}(@Length), zptFloat);
List.AddProperty({$IFNDEF MINIMAL}'Width',{$ENDIF}(@Width), zptFloat);
List.AddProperty({$IFNDEF MINIMAL}'Speed',{$ENDIF}(@Speed), zptFloat);
List.GetLast.DefaultValue.FloatValue := 2;
end;
procedure TRenderBeams.Execute;
var
I : integer;
B : TBeam;
Angle,X,Y,C,S : single;
Mem : pointer;
Vp,Tp,V,T : PFloat;
procedure Vert(const T1,T2,V1,V2 : single);
begin
Tp^ := T1; Inc(Tp);
Tp^ := T2; Inc(Tp);
Vp^ := V1; Inc(Vp);
Vp^ := V2; Inc(Vp);
end;
begin
GetMem(Mem,Beams.Count * 3 * ((2+2)*SizeOf(single)));
Vp := Mem;
Tp := pointer(NativeInt(Vp) + Beams.Count * 3 * (2*SizeOf(single)));
V := Vp; T := Tp;
for I := 0 to Beams.Count-1 do
begin
B := TBeam(Beams[I]);
Vert(0.52,0.52,0,0);
Angle := B.Angle-B.Width/2;
C := cos(Angle);
S := sin(Angle);
X := C * Length;
Y := S * Length;
Vert(0.5 + C/2 , 0.5 + S/2, X,Y);
Angle := B.Angle+B.Width/2;
C := cos(Angle);
S := sin(Angle);
X := C * Length;
Y := S * Length;
Vert(0.5 + C/2 , 0.5 + S/2, X,Y);
end;
Self.ZApp.Driver.RenderArrays(GL_TRIANGLES,Beams.Count*3,2,V,T,nil);
FreeMem(Mem);
end;
procedure TRenderBeams.Update;
var
B : TBeam;
I : integer;
WRange : single;
begin
{$ifndef minimal}
if IsChanged then
begin
//Nollställ ifall ändrad i designer
Beams.Clear;
IsChanged := False;
end;
{$endif}
//Emit new beams
while Beams.Count<Count do
begin
B := TBeam.Create;
WRange := Width*0.1; //Use +/- 10 percent width diff
B.Width := ZMath.Random(Width,WRange);
B.Angle := System.Random * (2*PI);
B.AngleInc := Random(Speed,Speed*0.5);
if System.Random<0.5 then
B.AngleInc := B.AngleInc * -1;
Beams.Add(B);
end;
//Update beams
for I := 0 to Beams.Count-1 do
begin
B := TBeam(Beams[I]);
B.Angle := B.Angle + B.AngleInc * ZApp.DeltaTime;
end;
end;
{ TRenderText }
procedure TRenderText.DefineProperties(List: TZPropertyList);
begin
inherited;
List.AddProperty({$IFNDEF MINIMAL}'Text',{$ENDIF}(@Text), zptString);
List.GetLast.IsManagedTarget := True;
{$ifndef minimal}List.GetLast.NeedRefreshNodeName:=True;{$endif}
List.AddProperty({$IFNDEF MINIMAL}'TextFloatRef',{$ENDIF}(@TextFloatRef), zptExpression);
{$ifndef minimal}List.GetLast.ExpressionKind := ekiGetValue;{$endif}
{$ifndef minimal}List.GetLast.NeedRefreshNodeName:=True;{$endif}
List.AddProperty({$IFNDEF MINIMAL}'TextArray',{$ENDIF}(@TextArrayRef), zptComponentRef);
{$ifndef minimal}List.GetLast.SetChildClasses([TDefineArray]);{$endif}
{$ifndef minimal}List.GetLast.NeedRefreshNodeName:=True;{$endif}
List.AddProperty({$IFNDEF MINIMAL}'X',{$ENDIF}(@X), zptFloat);
List.AddProperty({$IFNDEF MINIMAL}'Y',{$ENDIF}(@Y), zptFloat);
List.AddProperty({$IFNDEF MINIMAL}'Scale',{$ENDIF}(@Scale), zptFloat);
List.GetLast.DefaultValue.FloatValue := 1;
List.AddProperty({$IFNDEF MINIMAL}'Align',{$ENDIF}(@Align), zptByte);
{$ifndef minimal}List.GetLast.SetOptions(['Center','Left']);{$endif}
List.AddProperty({$IFNDEF MINIMAL}'RenderCharExpression',{$ENDIF}(@RenderCharExpression), zptExpression);
{$ifndef minimal}
List.GetLast.DefaultValue.ExpressionValue.Source :=
'//Modify current character before render.'#13#10 +
'//CharX,CharY : current coordinate'#13#10 +
'//CharI : current character index (read only)'#13#10 +
'//CharRotate : current character rotation in radians'#13#10 +
'//CharScale : current character scale';
{$endif}
List.AddProperty({$IFNDEF MINIMAL}'FloatMultiply',{$ENDIF}(@FloatMultiply), zptFloat);
List.GetLast.DefaultValue.FloatValue := 1;
List.AddProperty({$IFNDEF MINIMAL}'UseModelSpace',{$ENDIF}(@UseModelSpace), zptBoolean);
List.AddProperty({$IFNDEF MINIMAL}'StretchY',{$ENDIF}(@StretchY), zptFloat);
List.GetLast.DefaultValue.FloatValue := 1;
List.AddProperty({$IFNDEF MINIMAL}'CharX',{$ENDIF}(@CharX), zptFloat);
List.GetLast.NeverPersist:=True;
List.AddProperty({$IFNDEF MINIMAL}'CharY',{$ENDIF}(@CharY), zptFloat);
List.GetLast.NeverPersist:=True;
List.AddProperty({$IFNDEF MINIMAL}'CharI',{$ENDIF}(@CharI), zptInteger);
List.GetLast.NeverPersist:=True;
{$ifndef minimal}List.GetLast.IsReadOnly := True;{$endif}
List.AddProperty({$IFNDEF MINIMAL}'CharRotate',{$ENDIF}(@CharRotate), zptFloat);
List.GetLast.NeverPersist:=True;
List.AddProperty({$IFNDEF MINIMAL}'CharScale',{$ENDIF}(@CharScale), zptFloat);
List.GetLast.NeverPersist:=True;
end;
procedure TRenderText.Execute;
const
BuiltInSpacing = -0.18; //Slight overlap to put chars closer to each other (for built-in font)
CharsScreen = 20; //Scale 1 = 20 characters on screen
var
CurChar,CharLen,I,ArrayLimit : integer;
P : PByte;
XStep,StartX : single;
Spacing,YScaleFactor : single;
ArrayRef : TDefineArray;
PInt : ^integer;
TheText : PByte;
FontSize : integer;
CurFont : TFont;
UseBuiltInFont : boolean;
Driver : TGLDriverBase;
FloatBuf : array[0..19] of ansichar;
TextBuf : array[0..(8*1024-1)] of ansichar;
begin
Driver := Self.ZApp.Driver;
UseBuiltInFont := (Driver.CurrentMaterial=nil) or (Driver.CurrentMaterial.Font=nil);
if not UseBuiltInFont then
begin
CurFont := Driver.CurrentMaterial.Font;
Spacing := 0;
end
else
begin
if DefaultFont=nil then
DefaultFont := TFont.Create(nil);
DefaultFont._ZApp := Self.ZApp;
CurFont := DefaultFont;
Spacing := BuiltInSpacing;
end;
CurFont.Prepare;
if TextFloatRef.Code.Count>0 then
begin
//If textref is set then convert float-value to string
ZStrConvertInt(
Trunc(
ExpGetValue(TextFloatRef.Code)
* Self.FloatMultiply
),
PAnsiChar(@FloatBuf));
if pointer(Self.Text)<>nil then
ZStrCopy(TextBuf,PAnsiChar(Self.Text))
else
TextBuf[0]:=#0;
ZStrCat(TextBuf,PAnsiChar(@FloatBuf));
TheText := @TextBuf;
end else if TextArrayRef<>nil then
begin
ArrayRef := TDefineArray(TextArrayRef);
ArrayLimit := ArrayRef.CalcLimit;
PInt := pointer(ArrayRef.GetData);
I := 0;
while (I<High(TextBuf)-1) and (I<ArrayLimit) and (PInt^<>0) do
begin
TextBuf[I] := AnsiChar(PInt^);
Inc(PInt);
Inc(I);
end;
TextBuf[I] := #0;
TheText := @TextBuf;
end
else
TheText := PByte(Text);
if TheText=nil then
Exit;
//todo move to Begin2D(), End2D()-procs
if not Self.UseModelSpace then
begin
Driver.MatrixMode(GL_PROJECTION);
Driver.PushMatrix();
Driver.LoadIdentity();
Driver.MatrixMode(GL_MODELVIEW);
Driver.PushMatrix();
Driver.LoadIdentity();
//Must account for viewpointratio here because of the -1 .. 1 resolution
YScaleFactor := ZApp.ActualViewportRatio;
end
else
begin
Driver.PushMatrix();
YScaleFactor := 1;
end;
glPushAttrib(GL_TEXTURE_BIT);
glEnable(GL_TEXTURE_2D);
//Force disable automatic tex-coords
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
Driver.Translate(Self.X,Self.Y,0);
//Scale 1 = 20 characters width on screen
Driver.Scale(Scale * 2/(CharsScreen+CharsScreen*Spacing),
Scale * 2/(CharsScreen+CharsScreen*Spacing) * YScaleFactor * StretchY,
1);
//Font pixel size
if not Self.UseModelSpace then
FontSize := Round(Scale * (ZApp.ScreenWidth / CharsScreen))
else
FontSize := 16;
//Get length of first line in string
P := pointer(TheText);
while not (P^ in [0,13]) do
Inc(P);
CharLen := NativeUInt(P) - NativeUInt(TheText);