nuclear@0: #include "lights.h"
nuclear@0: #include <cmath>
nuclear@0: 
nuclear@0: Light::Light() {
nuclear@0: 	intensity = 1.0f;
nuclear@0: 	ambient_color = 0.0f;
nuclear@0: 	diffuse_color = specular_color = 1.0f;
nuclear@0: 	CastShadows = false;
nuclear@0: }
nuclear@0: 
nuclear@0: void Light::SetIntensity(float intensity) {
nuclear@0: 	this->intensity = intensity;
nuclear@0: }
nuclear@0: 
nuclear@0: float Light::GetIntensity() const {
nuclear@0: 	return intensity;
nuclear@0: }
nuclear@0: 
nuclear@0: void Light::SetColor(const Color &color, PhongComponent comp) {
nuclear@0: 	if(comp == (PhongComponent)-1) {
nuclear@0:         diffuse_color = specular_color = color;
nuclear@0: 	} else {
nuclear@0: 		switch(comp) {
nuclear@0: 		case Ambient:
nuclear@0: 			ambient_color = color;
nuclear@0: 			break;
nuclear@0: 		case Diffuse:
nuclear@0: 			diffuse_color = color;
nuclear@0: 			break;
nuclear@0: 		case Specular:
nuclear@0: 			specular_color = color;
nuclear@0: 			break;
nuclear@0: 		}
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: const Color &Light::GetColor(PhongComponent comp) const {
nuclear@0: 	switch(comp) {
nuclear@0: 	case Ambient:
nuclear@0: 		return ambient_color;
nuclear@0: 	case Diffuse:
nuclear@0: 		return diffuse_color;
nuclear@0: 	case Specular:
nuclear@0: 		return specular_color;
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: void Light::SetShadowCasting(bool enable) {
nuclear@0: 	CastShadows = enable;
nuclear@0: }
nuclear@0: 
nuclear@0: bool Light::GetShadowCasting() const {
nuclear@0: 	return CastShadows;
nuclear@0: }
nuclear@0: 
nuclear@0: ////////// Directional Light ///////////
nuclear@0: 
nuclear@0: // Non-Applicable functions for this type of light
nuclear@0: void DirLight::SetPosition(const Vector3 &pos) {}
nuclear@0: void DirLight::SetRange(float range) {}
nuclear@0: void DirLight::SetAttenuation(float att0, float att1, float att2) {}
nuclear@0: Vector3 DirLight::GetPosition() const {return Direction;}
nuclear@0: float DirLight::GetRange() const {return 0.0f;}
nuclear@0: float DirLight::GetAttenuation(int degree) const {return 0.0f;}
nuclear@0: void DirLight::ResetTransform() {}
nuclear@0: void DirLight::ResetTranslation() {}
nuclear@0: void DirLight::ResetRotation() {}
nuclear@0: void DirLight::Transform(const Matrix4x4 &matrix) {}
nuclear@0: void DirLight::Translate(float x, float y, float z) {}
nuclear@0: void DirLight::Rotate(float x, float y, float z) {}
nuclear@0: void DirLight::Rotate(const Vector3 &axis, float angle) {}
nuclear@0: void DirLight::SetCone(float InnerCone, float OuterCone) {}
nuclear@0: float DirLight::GetInnerCone() const {return 0.0f;}
nuclear@0: float DirLight::GetOuterCone() const {return 0.0f;}
nuclear@0: void DirLight::SetFalloff(float falloff) {}
nuclear@0: float DirLight::GetFalloff() const {return 0.0f;}
nuclear@0: void DirLight::ResetTargetTransform() {}
nuclear@0: void DirLight::ResetTargetTranslation() {}
nuclear@0: void DirLight::ResetTargetRotation() {}
nuclear@0: void DirLight::TargetTransform(const Matrix4x4 &matrix) {}
nuclear@0: void DirLight::TargetTranslate(float x, float y, float z) {}
nuclear@0: void DirLight::TargetRotate(float x, float y, float z) {}
nuclear@0: void DirLight::TargetRotate(const Vector3 &axis, float angle) {}
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: DirLight::DirLight() {
nuclear@0: 	Direction = Vector3(0, -1, 0);
nuclear@0: }
nuclear@0: 
nuclear@0: DirLight::DirLight(const Vector3 &dir) {
nuclear@0: 	Direction = dir;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: void DirLight::SetDirection(const Vector3 &dir) {
nuclear@0: 	Direction = dir;
nuclear@0: }
nuclear@0: 
nuclear@0: Vector3 DirLight::GetDirection() const {
nuclear@0: 	Vector3 dir = Direction;
nuclear@0: 	dir.Transform(DirRot);
nuclear@0: 	return dir;
nuclear@0: }
nuclear@0: 
nuclear@0: LightType DirLight::GetType() const {
nuclear@0: 	return LTDir;
nuclear@0: }
nuclear@0: 
nuclear@0: // direction transformations
nuclear@0: void DirLight::ResetDirTransform() {
nuclear@0: 	DirRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void DirLight::ResetDirRotation() {
nuclear@0: 	DirRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void DirLight::TransformDir(const Matrix4x4 &matrix) {
nuclear@0: 	DirRot *= matrix;
nuclear@0: }
nuclear@0: 
nuclear@0: void DirLight::RotateDir(float x, float y, float z) {
nuclear@0: 	DirRot.Rotate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void DirLight::RotateDir(const Vector3 &axis, float angle) {
nuclear@0: 	DirRot.Rotate(axis, angle);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: void DirLight::SetLight(dword index, GraphicsContext *gc) const {
nuclear@0: 
nuclear@0: 	Vector3 dir = Direction;
nuclear@0: 	dir.Transform(DirRot);
nuclear@0: 
nuclear@0: 	D3DLIGHT8 light;
nuclear@0: 	memset(&light, 0, sizeof(D3DLIGHT8));
nuclear@0: 	light.Ambient.r = ambient_color.r * intensity;
nuclear@0: 	light.Diffuse.r = diffuse_color.r * intensity;
nuclear@0: 	light.Specular.r = specular_color.r * intensity;
nuclear@0: 	light.Ambient.g = ambient_color.g * intensity;
nuclear@0: 	light.Diffuse.g = diffuse_color.g * intensity;
nuclear@0: 	light.Specular.g = specular_color.g * intensity;
nuclear@0: 	light.Ambient.b = ambient_color.b * intensity;
nuclear@0: 	light.Diffuse.b = diffuse_color.b * intensity;
nuclear@0: 	light.Specular.b = specular_color.b * intensity;
nuclear@0: 	light.Direction = dir;
nuclear@0: 	light.Type = (D3DLIGHTTYPE)LTDir;
nuclear@0: 	
nuclear@0: 	gc->D3DDevice->SetLight(index, &light);
nuclear@0: 	gc->D3DDevice->LightEnable(index, true);
nuclear@0: }
nuclear@0: 
nuclear@0: Vertex DirLightVisVertices[] = {
nuclear@0: 	Vertex(Vector3(0.0f, 0.0f, 0.1f), 0.0f, 0.0f, 0x00ff0000),
nuclear@0: 	Vertex(Vector3(0.03f, 0.03f, 0.0f), 0.0f, 0.0f, 0x000000ff),
nuclear@0: 	Vertex(Vector3(-0.03f, 0.03f, 0.0f), 0.0f, 0.0f, 0x000000ff),
nuclear@0: 	Vertex(Vector3(0.0f, -0.03f, 0.0f), 0.0f, 0.0f, 0x000000ff)
nuclear@0: };
nuclear@0: 
nuclear@0: Index DirLightVisIndices[] = {
nuclear@0: 	0, 1, 2,
nuclear@0: 	0, 2, 3,
nuclear@0: 	0, 3, 1,
nuclear@0: 	1, 3, 2
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: void DirLight::Draw(GraphicsContext *gc, float size) {
nuclear@0: 	
nuclear@0: 	Material mat(0.9f, 0.8f, 0.3f);
nuclear@0: 	gc->SetMaterial(mat);
nuclear@0: 	gc->SetTexture(0, 0);
nuclear@0: 	gc->SetColorVertex(true);
nuclear@0: 	gc->SetLighting(false);
nuclear@0: 	gc->SetZBuffering(false);
nuclear@0: 
nuclear@0: 	Matrix4x4 WorldMat = (Matrix4x4)Base(Direction).CreateRotationMatrix() * DirRot;
nuclear@0: 	gc->SetWorldMatrix(WorldMat);
nuclear@0: 
nuclear@0: 	Matrix4x4 ViewMat = gc->GetViewMatrix();
nuclear@0: 	Matrix4x4 AugViewMat;
nuclear@0: 
nuclear@0: 	for(int i=0; i<4; i++) {
nuclear@0:         AugViewMat.SetRowVector(ViewMat.GetRowVector(i).Normalized(), i);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	gc->SetViewMatrix(AugViewMat);
nuclear@0: 
nuclear@0: 	gc->Draw(DirLightVisVertices, DirLightVisIndices, 4, 12);
nuclear@0: 
nuclear@0: 	gc->SetViewMatrix(ViewMat);
nuclear@0: 
nuclear@0: 	gc->SetZBuffering(true);
nuclear@0: 	gc->SetLighting(true);
nuclear@0: 	gc->SetColorVertex(false);
nuclear@0: 
nuclear@0: }
nuclear@0: 
nuclear@0: /////////// Point Light //////////////
nuclear@0: 
nuclear@0: // Non-Applicable member functions
nuclear@0: void PointLight::SetDirection(const Vector3 &dir) {}
nuclear@0: Vector3 PointLight::GetDirection() const {return Position;}
nuclear@0: void PointLight::ResetDirTransform() {}
nuclear@0: void PointLight::ResetDirRotation() {}
nuclear@0: void PointLight::TransformDir(const Matrix4x4 &matrix) {}
nuclear@0: void PointLight::RotateDir(float x, float y, float z) {}
nuclear@0: void PointLight::RotateDir(const Vector3 &axis, float angle) {}
nuclear@0: void PointLight::SetCone(float InnerCone, float OuterCone) {}
nuclear@0: float PointLight::GetInnerCone() const {return 0.0f;}
nuclear@0: float PointLight::GetOuterCone() const {return 0.0f;}
nuclear@0: void PointLight::SetFalloff(float falloff) {}
nuclear@0: float PointLight::GetFalloff() const {return 0.0f;}
nuclear@0: void PointLight::ResetTargetTransform() {}
nuclear@0: void PointLight::ResetTargetTranslation() {}
nuclear@0: void PointLight::ResetTargetRotation() {}
nuclear@0: void PointLight::TargetTransform(const Matrix4x4 &matrix) {}
nuclear@0: void PointLight::TargetTranslate(float x, float y, float z) {}
nuclear@0: void PointLight::TargetRotate(float x, float y, float z) {}
nuclear@0: void PointLight::TargetRotate(const Vector3 &axis, float angle) {}
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: PointLight::PointLight() {
nuclear@0: 	Position = Vector3(0, 100, 0);
nuclear@0: 	Range = 300.0f;
nuclear@0: 	Attenuation[0] = 1.0f;
nuclear@0: 	Attenuation[1] = 0.0f;
nuclear@0: 	Attenuation[2] = 0.0f;
nuclear@0: }
nuclear@0: 
nuclear@0: PointLight::PointLight(const Vector3 &pos, float range, float att0, float att1, float att2) {
nuclear@0: 	Position = pos;
nuclear@0: 	Range = range;
nuclear@0: 	Attenuation[0] = att0;
nuclear@0: 	Attenuation[1] = att1;
nuclear@0: 	Attenuation[2] = att2;
nuclear@0: }
nuclear@0: 
nuclear@0: Matrix4x4 PointLight::GetTransform() const {
nuclear@0: 	return PosXForm * PosRot * PosTrans;
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::SetPosition(const Vector3 &pos) {
nuclear@0: 	Position = pos;
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::SetRange(float range) {
nuclear@0: 	Range = range;
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::SetAttenuation(float att0, float att1, float att2) {
nuclear@0: 	Attenuation[0] = att0;
nuclear@0: 	Attenuation[1] = att1;
nuclear@0: 	Attenuation[2] = att2;
nuclear@0: }
nuclear@0: 
nuclear@0: Vector3 PointLight::GetPosition() const {
nuclear@0: 	Vector3 pos = Position;
nuclear@0: 	pos.Transform(GetTransform());
nuclear@0: 	return pos;
nuclear@0: }
nuclear@0: 
nuclear@0: float PointLight::GetRange() const {
nuclear@0: 	return Range;
nuclear@0: }
nuclear@0: 
nuclear@0: float PointLight::GetAttenuation(int degree) const {
nuclear@0: 	return Attenuation[degree];
nuclear@0: }
nuclear@0: 
nuclear@0: LightType PointLight::GetType() const {
nuclear@0: 	return LTPoint;
nuclear@0: }
nuclear@0: 
nuclear@0: // position transformations
nuclear@0: void PointLight::ResetTransform() {
nuclear@0: 	PosRot.ResetIdentity();
nuclear@0: 	PosTrans.ResetIdentity();
nuclear@0: 	PosXForm.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::ResetTranslation() {
nuclear@0: 	PosTrans.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::ResetRotation() {
nuclear@0: 	PosRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::Transform(const Matrix4x4 &matrix) {
nuclear@0: 	PosXForm *= matrix;
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::Translate(float x, float y, float z) {
nuclear@0: 	PosTrans.Translate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::Rotate(float x, float y, float z) {
nuclear@0: 	PosRot.Rotate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void PointLight::Rotate(const Vector3 &axis, float angle) {
nuclear@0: 	PosRot.Rotate(axis, angle);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: void PointLight::SetLight(dword index, GraphicsContext *gc) const {
nuclear@0: 
nuclear@0: 	Vector3 pos = Position;
nuclear@0: 	pos.Transform(GetTransform());
nuclear@0: 
nuclear@0: 	D3DLIGHT8 light;
nuclear@0: 	memset(&light, 0, sizeof(D3DLIGHT8));
nuclear@0: 	light.Ambient.r = ambient_color.r * intensity;
nuclear@0: 	light.Diffuse.r = diffuse_color.r * intensity;
nuclear@0: 	light.Specular.r = specular_color.r * intensity;
nuclear@0: 	light.Ambient.g = ambient_color.g * intensity;
nuclear@0: 	light.Diffuse.g = diffuse_color.g * intensity;
nuclear@0: 	light.Specular.g = specular_color.g * intensity;
nuclear@0: 	light.Ambient.b = ambient_color.b * intensity;
nuclear@0: 	light.Diffuse.b = diffuse_color.b * intensity;
nuclear@0: 	light.Specular.b = specular_color.b * intensity;
nuclear@0: 	light.Position = pos;
nuclear@0: 	light.Range = Range;
nuclear@0: 	light.Attenuation0 = Attenuation[0];
nuclear@0: 	light.Attenuation1 = Attenuation[1];
nuclear@0: 	light.Attenuation2 = Attenuation[2];
nuclear@0: 	light.Type = (D3DLIGHTTYPE)LTPoint;
nuclear@0: 
nuclear@0: 	gc->D3DDevice->SetLight(index, &light);
nuclear@0: 	gc->D3DDevice->LightEnable(index, true);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: Index PointLightVisIndices[] = {0, 2, 1, 0, 3, 2};
nuclear@0: 
nuclear@0: void PointLight::Draw(GraphicsContext *gc, float size) {
nuclear@0: 
nuclear@0: 	dword color = (diffuse_color * intensity).GetPacked32();
nuclear@0: 
nuclear@0: 	float PtHalfSz = size / 2.0f;
nuclear@0: 	Vertex PointLightVisVertices[] = {
nuclear@0: 		Vertex(Vector3(-PtHalfSz, PtHalfSz, 0.0f), 0.0f, 0.0f, color),
nuclear@0: 		Vertex(Vector3(PtHalfSz, PtHalfSz, 0.0f), 1.0f, 0.0f, color),
nuclear@0: 		Vertex(Vector3(PtHalfSz, -PtHalfSz, 0.0f), 1.0f, 1.0f, color),
nuclear@0: 		Vertex(Vector3(-PtHalfSz, -PtHalfSz, 0.0f), 0.0f, 1.0f, color)
nuclear@0: 	};
nuclear@0: 
nuclear@0: 	Texture *tex = gc->texman->LoadTexture("STOCKTEX_BLOB");
nuclear@0: 	gc->SetTexture(0, tex);
nuclear@0: 	gc->SetTextureStageColor(0, TexBlendModulate, TexArgTexture, TexArgCurrent);
nuclear@0: 	gc->SetTexture(1, 0);
nuclear@0: 	
nuclear@0: 	gc->SetAlphaBlending(true);
nuclear@0: 	gc->SetBlendFunc(BLEND_ONE, BLEND_ONE);
nuclear@0: 	
nuclear@0: 	gc->SetColorVertex(true);
nuclear@0: 	gc->SetLighting(false);
nuclear@0: 
nuclear@0: 	Matrix4x4 InvPos;
nuclear@0: 	InvPos.Translate(Position.x, Position.y, Position.z);
nuclear@0: 	gc->SetWorldMatrix(InvPos * GetTransform());
nuclear@0: 
nuclear@0: 	gc->SetZWrite(false);
nuclear@0: 	gc->SetBillboarding(true);
nuclear@0: 	gc->Draw(PointLightVisVertices, PointLightVisIndices, 4, 6);
nuclear@0: 	gc->SetBillboarding(false);
nuclear@0: 	gc->SetZWrite(true);
nuclear@0: 
nuclear@0: 	gc->SetAlphaBlending(false);	
nuclear@0: 	gc->SetLighting(true);
nuclear@0: 	gc->SetColorVertex(false);
nuclear@0: 	gc->SetTexture(0, 0);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: ////////////// Spot Light ////////////////
nuclear@0: void SpotLight::ResetTargetTransform() {}
nuclear@0: void SpotLight::ResetTargetTranslation() {}
nuclear@0: void SpotLight::ResetTargetRotation() {}
nuclear@0: void SpotLight::TargetTransform(const Matrix4x4 &matrix) {}
nuclear@0: void SpotLight::TargetTranslate(float x, float y, float z) {}
nuclear@0: void SpotLight::TargetRotate(float x, float y, float z) {}
nuclear@0: void SpotLight::TargetRotate(const Vector3 &axis, float angle) {}
nuclear@0: 
nuclear@0: SpotLight::SpotLight() {
nuclear@0: 	Position = Vector3(0, 100, 0);
nuclear@0: 	Direction = Vector3(0, -1, 0);
nuclear@0: 	Falloff = 1.0f;
nuclear@0: 	Phi = QuarterPi;
nuclear@0: 	Theta = Phi - (Phi / 9.0f);
nuclear@0: }
nuclear@0: 
nuclear@0: SpotLight::SpotLight(const Vector3 &pos, const Vector3 &dir, float InnerCone, float OuterCone, float range, float att0, float att1, float att2) {
nuclear@0: 	Position = pos;
nuclear@0: 	Direction = dir;
nuclear@0: 	SetCone(InnerCone, OuterCone);
nuclear@0: 	Range = range;
nuclear@0: 	Attenuation[0] = att0;
nuclear@0: 	Attenuation[1] = att1;
nuclear@0: 	Attenuation[2] = att2;
nuclear@0: 	Falloff = 1.0f;
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::SetDirection(const Vector3 &dir) {
nuclear@0: 	Direction = dir;
nuclear@0: }
nuclear@0: 
nuclear@0: Vector3 SpotLight::GetDirection() const {
nuclear@0: 	Vector3 dir = Direction;
nuclear@0: 	dir.Transform(DirRot);
nuclear@0: 	return dir;
nuclear@0: }
nuclear@0: 
nuclear@0: // direction transformations
nuclear@0: void SpotLight::ResetDirTransform() {
nuclear@0: 	DirRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::ResetDirRotation() {
nuclear@0: 	DirRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::TransformDir(const Matrix4x4 &matrix) {
nuclear@0: 	DirRot *= matrix;
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::RotateDir(float x, float y, float z) {
nuclear@0: 	DirRot.Rotate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::RotateDir(const Vector3 &axis, float angle) {
nuclear@0: 	DirRot.Rotate(axis, angle);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: LightType SpotLight::GetType() const {
nuclear@0: 	return LTSpot;
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::SetCone(float InnerCone, float OuterCone) {
nuclear@0: 	Theta = InnerCone;
nuclear@0: 	Phi = OuterCone;
nuclear@0: }
nuclear@0: 
nuclear@0: float SpotLight::GetInnerCone() const {
nuclear@0: 	return Theta;
nuclear@0: }
nuclear@0: 
nuclear@0: float SpotLight::GetOuterCone() const {
nuclear@0: 	return Phi;
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::SetFalloff(float falloff) {
nuclear@0: 	Falloff = falloff;
nuclear@0: }
nuclear@0: 
nuclear@0: float SpotLight::GetFalloff() const {
nuclear@0: 	return Falloff;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: void SpotLight::SetLight(dword index, GraphicsContext *gc) const {
nuclear@0: 	
nuclear@0: 	Vector3 pos = Position;
nuclear@0: 	pos.Transform(GetTransform());
nuclear@0: 
nuclear@0: 	Vector3 dir = Direction;
nuclear@0: 	dir.Transform(DirRot);
nuclear@0: 
nuclear@0: 	D3DLIGHT8 light;
nuclear@0: 	memset(&light, 0, sizeof(D3DLIGHT8));
nuclear@0: 	light.Ambient.r = ambient_color.r * intensity;
nuclear@0: 	light.Diffuse.r = diffuse_color.r * intensity;
nuclear@0: 	light.Specular.r = specular_color.r * intensity;
nuclear@0: 	light.Ambient.g = ambient_color.g * intensity;
nuclear@0: 	light.Diffuse.g = diffuse_color.g * intensity;
nuclear@0: 	light.Specular.g = specular_color.g * intensity;
nuclear@0: 	light.Ambient.b = ambient_color.b * intensity;
nuclear@0: 	light.Diffuse.b = diffuse_color.b * intensity;
nuclear@0: 	light.Specular.b = specular_color.b * intensity;
nuclear@0: 	light.Position = pos;
nuclear@0: 	light.Direction = dir;
nuclear@0: 	light.Range = Range;
nuclear@0: 	light.Attenuation0 = Attenuation[0];
nuclear@0: 	light.Attenuation1 = Attenuation[1];
nuclear@0: 	light.Attenuation2 = Attenuation[2];
nuclear@0: 	light.Falloff = Falloff;
nuclear@0: 	light.Theta = Theta;
nuclear@0: 	light.Phi = Phi;
nuclear@0: 	light.Type = (D3DLIGHTTYPE)LTSpot;
nuclear@0: 
nuclear@0: 	gc->D3DDevice->SetLight(index, &light);
nuclear@0: 	gc->D3DDevice->LightEnable(index, true);
nuclear@0: }
nuclear@0: 
nuclear@0: void SpotLight::Draw(GraphicsContext *gc, float size) {
nuclear@0: 	PointLight::Draw(gc, size);
nuclear@0: }
nuclear@0: 
nuclear@0: //////////////// Target Spot Light ////////////////////
nuclear@0: void TargetSpotLight::SetDirection(const Vector3 &dir) {}
nuclear@0: Vector3 TargetSpotLight::GetDirection() const {return Vector3();}
nuclear@0: void TargetSpotLight::ResetDirTransform() {}
nuclear@0: void TargetSpotLight::ResetDirRotation() {}
nuclear@0: void TargetSpotLight::TransformDir(const Matrix4x4 &matrix) {}
nuclear@0: void TargetSpotLight::RotateDir(float x, float y, float z) {}
nuclear@0: void TargetSpotLight::RotateDir(const Vector3 &axis, float angle) {}
nuclear@0: 
nuclear@0: TargetSpotLight::TargetSpotLight() {
nuclear@0: 	Target = Vector3(0.0f, 0.0f, 0.0f);
nuclear@0: }
nuclear@0: 
nuclear@0: TargetSpotLight::TargetSpotLight(const Vector3 &pos, const Vector3 &target, float InnerCone, float OuterCone, float range, float att0, float att1, float att2) {
nuclear@0: 	Position = pos;
nuclear@0: 	Target = target;
nuclear@0: 	SetCone(InnerCone, OuterCone);
nuclear@0: 	Range = range;
nuclear@0: 	Attenuation[0] = att0;
nuclear@0: 	Attenuation[1] = att1;
nuclear@0: 	Attenuation[2] = att2;
nuclear@0: 	Falloff = 1.0f;
nuclear@0: }
nuclear@0: 
nuclear@0: Matrix4x4 TargetSpotLight::GetTargetTransform() const {
nuclear@0: 	return TargXForm * TargRot * TargTrans;
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::ResetTargetTransform() {
nuclear@0: 	TargRot.ResetIdentity();
nuclear@0: 	TargTrans.ResetIdentity();
nuclear@0: 	TargXForm.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::ResetTargetTranslation() {
nuclear@0: 	TargTrans.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::ResetTargetRotation() {
nuclear@0: 	TargRot.ResetIdentity();
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::TargetTransform(const Matrix4x4 &matrix) {
nuclear@0: 	TargXForm *= matrix;
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::TargetTranslate(float x, float y, float z) {
nuclear@0: 	TargTrans.Translate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::TargetRotate(float x, float y, float z) {
nuclear@0: 	TargRot.Rotate(x, y, z);
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::TargetRotate(const Vector3 &axis, float angle) {
nuclear@0: 	TargRot.Rotate(axis, angle);
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: void TargetSpotLight::SetLight(dword index, GraphicsContext *gc) const {
nuclear@0: 	Vector3 targ = Target;
nuclear@0: 	targ.Transform(GetTargetTransform());
nuclear@0: 
nuclear@0: 	Vector3 pos = Position;
nuclear@0: 	pos.Transform(GetTransform());
nuclear@0: 
nuclear@0: 	Vector3 *dir = const_cast<Vector3*>(&Direction);
nuclear@0: 	*dir = (targ - pos).Normalized();
nuclear@0: 
nuclear@0: 	SpotLight::SetLight(index, gc);
nuclear@0: }
nuclear@0: 
nuclear@0: void TargetSpotLight::Draw(GraphicsContext *gc, float size) {
nuclear@0: 	Vector3 targ = Target;
nuclear@0: 	targ.Transform(GetTargetTransform());
nuclear@0: 
nuclear@0: 	Vector3 pos = Position;
nuclear@0: 	pos.Transform(GetTransform());
nuclear@0: 
nuclear@0: 	Direction = (targ - pos).Normalized();
nuclear@0: 	SpotLight::Draw(gc, size);
nuclear@0: }