// ---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
// ---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "GLBaseClasses"
#pragma link "GLCadencer"
#pragma link "GLCoordinates"
#pragma link "GLCrossPlatform"
#pragma link "GLCustomShader"
#pragma link "GLFBORenderer"
#pragma link "GLMaterial"
#pragma link "GLObjects"

#pragma link "GLUtils"
#pragma link "GLGeomObjects"
#pragma link "GLCameraController"
#pragma link "GLGraphics"
#pragma link "GLFileTGA"
#pragma link "GLVectorTypes"
#pragma link "GLRenderContextInfo"
#pragma link "GLShadowPlane"
#pragma link "GLVectorGeometry"
#pragma link "GLMesh"
#pragma link "GLGui"
#pragma link "GLWindows"
#pragma link "GLState"
#pragma link "OpenGLTokens"
#pragma link "GLContext"

#pragma link "GLSArchiveManager"
#pragma link "GLScene"
#pragma link "GLSimpleNavigation"
#pragma link "GLSLShader"
#pragma link "GLVectorFileObjects"
#pragma link "GLWin32Viewer"
#pragma link "GLCompositeImage"
#pragma link "GLFileMS3D"
#pragma link "GLFileJPEG"
#pragma link "GLFilePNG"
#pragma link "GLFileZLIB"
#pragma resource "*.dfm"
TForm1 *Form1;

int mdx, mdy;
TMatrix FBiasMatrix;
TMatrix FLightModelViewMatrix;
TMatrix FLightProjMatrix;
TMatrix FInvCameraMatrix;
TMatrix FEyeToLightMatrix;

TMatrix FLightModelViewMatrix2;
TMatrix FLightProjMatrix2;
TMatrix FInvCameraMatrix2;
TMatrix FEyeToLightMatrix2;

// ---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) {
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::Actor1EndFrameReached(TObject *Sender) {
	if (Actor1->AnimationMode == aamNone) {
		btnStartStop->Caption = "Start";
		Timer1->Enabled = false;
		aniPos->Enabled = true;
	}
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::aniBoxSelect(TObject *Sender) {
	Actor1->AnimationMode = aamNone;
	if (aniBox->ItemIndex != -1) {
		Chair1->Visible = aniBox->ItemIndex == 6;
		Timer1->Enabled = false;
		aniPos->Enabled = false;
		Actor1->SwitchToAnimation(aniBox->Text, false);

		aniPos->Min = 0;
		aniPos->Max = Actor1->EndFrame - Actor1->StartFrame;
		aniPos->Position = 0;
		aniPos->Enabled = true;
		btnStartStop->Caption = "Start";
	}
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::aniPosChange(TObject *Sender) {
	if (aniPos->Enabled) {
		Actor1->CurrentFrame = Actor1->StartFrame + aniPos->Position;
	}
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::btnStartStopClick(TObject *Sender) {
	if (Actor1->AnimationMode == aamNone) {
		if (Actor1->CurrentFrame == Actor1->EndFrame) {
			Actor1->CurrentFrame = Actor1->StartFrame;
		}
		Actor1->AnimationMode = aamPlayOnce;
		btnStartStop->Caption = "Stop";
		Timer1->Enabled = true;
		aniPos->Enabled = false;
	}
	else {
		Actor1->AnimationMode = aamNone;
		btnStartStop->Caption = "Start";
		Timer1->Enabled = false;
		aniPos->Enabled = true;
	}
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender) {
	Actor1->NextFrame();
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::Button4Click(TObject *Sender) {
	Actor1->PrevFrame();
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::FormCloseQuery(TObject *Sender, bool &CanClose) {
	Actor1->AnimationMode = aamNone;
	GLCadencer1->Enabled = false;
	GLSLShader1->Enabled = false;
}

// ---------------------------------------------------------------------------
void _fastcall TForm1::LoadTexture(String AName, String ext) {
	TGLCompositeImage *img;
	TStream *strm = new TStream();
	img = (TGLCompositeImage*) MatLib->TextureByName(AName)->Image;
	strm = GLSArchiveManager1->Archives->Items[0]->GetContent
		("Main/" + AName + "." + ext);
	img->LoadFromStream(strm);
}

void __fastcall TForm1::FormCreate(TObject *Sender) {
	 SetGLSceneMediaDir();
	GLSArchiveManager1->Archives->Items[0]->LoadFromFile("ActorMS3D.zlib");
	LoadTexture("floor_parquet", "JPG");
	LoadTexture("Chair", "PNG");
	LoadTexture("Hair", "PNG");
	LoadTexture("Woman4-Remap-texture", "PNG");
	Actor1->LoadFromStream("Woman4.ms3d",
		GLSArchiveManager1->Archives->Items[0]->GetContent("Main/Woman4.ms3d"));
	Chair1->LoadFromStream("Chair.ms3d",
		GLSArchiveManager1->Archives->Items[0]->GetContent("Main/Chair.ms3d"));
	MatLib->TextureByName("Lightspot")->Image->LoadFromFile("Flare1.bmp");
	// MatLib->Materials->Items[2]->Material->Texture->Image->LoadFromFile
	// ("Flare1.bmp");
	Actor1->AnimationMode = aamNone;
	Actor1->Scale->SetVector(0.1, 0.1, 0.1, 0);
	Chair1->Scale->SetVector(0.35, 0.35, 0.35, 0);

	Actor1->Animations->Add();
	Actor1->Animations->Items[0]->Reference = aarSkeleton;
	Actor1->Animations->Items[0]->StartFrame = 2;
	Actor1->Animations->Items[0]->EndFrame = 855;
	Actor1->Animations->Items[0]->Name = "Dance";

	Actor1->Animations->Items[1]->Reference = aarSkeleton;
	Actor1->Animations->Items[1]->StartFrame = 856;
	Actor1->Animations->Items[1]->EndFrame = 1166;
	Actor1->Animations->Items[1]->Name = "Sexy Walk";
	Actor1->Animations->Add();

	Actor1->Animations->Items[2]->Reference = aarSkeleton;
	Actor1->Animations->Items[2]->StartFrame = 1168;
	Actor1->Animations->Items[2]->EndFrame = 1203;
	Actor1->Animations->Items[2]->Name = "Cartwheel";
	Actor1->Animations->Add();

	Actor1->Animations->Items[3]->Reference = aarSkeleton;
	Actor1->Animations->Items[3]->StartFrame = 1205;
	Actor1->Animations->Items[3]->EndFrame = 1306;
	Actor1->Animations->Items[3]->Name = "Hand Flip";
	Actor1->Animations->Add();

	Actor1->Animations->Items[4]->Reference = aarSkeleton;
	Actor1->Animations->Items[4]->StartFrame = 1308;
	Actor1->Animations->Items[4]->EndFrame = 1395;
	Actor1->Animations->Items[4]->Name = "Wave";
	Actor1->Animations->Add();

	Actor1->Animations->Items[5]->Reference = aarSkeleton;
	Actor1->Animations->Items[5]->StartFrame = 1397;
	Actor1->Animations->Items[5]->EndFrame = 2014;
	Actor1->Animations->Items[5]->Name = "Sun Salutation";
	Actor1->Animations->Add();

	Actor1->Animations->Items[6]->Reference = aarSkeleton;
	Actor1->Animations->Items[6]->StartFrame = 2016;
	Actor1->Animations->Items[6]->EndFrame = 2133;
	Actor1->Animations->Items[6]->Name = "Sit";
	Actor1->Animations->Add();

	FBiasMatrix = CreateScaleAndTranslationMatrix(VectorMake(0.5, 0.5, 0.5),
		VectorMake(0.5, 0.5, 0.5));
	GLSLShader1->VertexProgram->LoadFromFile("shaders\\shadowmap_vp.glsl");
	GLSLShader1->FragmentProgram->LoadFromFile("shaders\\shadowmap_fp.glsl");
	GLSLShader1->Enabled = true;
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::FormShow(TObject *Sender) {
	aniBox->ItemIndex = 0;
	aniBoxSelect(Sender);
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::GLCadencer1Progress(TObject *Sender,
	const double deltaTime, const double newTime) {
	TAffineVector af, af2, pv, pv2;
	GLCamera2->Position->Rotate(VectorMake(0, 1, 0), deltaTime*0.1);
	af = Actor1->Skeleton->CurrentFrame->Position->Items[0];
	ScaleVector(af, Actor1->Scale->AsAffineVector);
	af2 = GLCamera2->Position->AsAffineVector;
	pv = VectorSubtract(af, af2);
	NormalizeVector(pv);
	GLCamera2->Direction->AsAffineVector = pv;
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::GLDirectOpenGL1Render(TObject *Sender,
	TGLRenderContextInfo &rci)

{
	FInvCameraMatrix = rci.PipelineTransformation->InvModelViewMatrix;
	FEyeToLightMatrix = MatrixMultiply(FInvCameraMatrix, FLightModelViewMatrix);
	FEyeToLightMatrix = MatrixMultiply(FEyeToLightMatrix, FLightProjMatrix);
	FEyeToLightMatrix = MatrixMultiply(FEyeToLightMatrix, FBiasMatrix);
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::GLFrameBufferAfterRender(TObject *Sender,
	TGLRenderContextInfo &rci)

{
	CurrentGLContext()->GLStates->Disable(stPolygonOffsetFill);
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::GLFrameBufferBeforeRender(TObject *Sender,
	TGLRenderContextInfo &rci)

{
	FLightModelViewMatrix =
		CurrentGLContext()->PipelineTransformation->ModelViewMatrix;
	FLightProjMatrix =
		CurrentGLContext()->PipelineTransformation->ProjectionMatrix;
	CurrentGLContext()->GLStates->Enable(stPolygonOffsetFill);
	CurrentGLContext()->GLStates->PolygonOffsetFactor = 2;
	CurrentGLContext()->GLStates->PolygonOffsetUnits = 2;
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::GLSLShader1Apply(TGLCustomGLSLShader *Shader) {
	Shader->SetTex("TextureMap", MatLib->TextureByName("floor_parquet"));
	Shader->SetTex("ShadowMap",
		MatLib->TextureByName(GLFrameBuffer->DepthTextureName));
	Shader->SetTex("LightspotMap", MatLib->TextureByName("Lightspot"));

	Shader->Param["Scale"]->AsFloat = 16.0;
	Shader->Param["Softly"]->AsInteger = 1;
	Shader->Param["EyeToLightMatrix"]->AsMatrix4f = FEyeToLightMatrix;
}

// ---------------------------------------------------------------------------
void __fastcall TForm1::Timer1Timer(TObject *Sender) {
	aniPos->Position = Actor1->CurrentFrame -
		Actor1->Animations->Items[aniBox->ItemIndex + 1]->StartFrame;
}
// ---------------------------------------------------------------------------