Example #1
0
//-----------------------------------------------------------------------------
float CMagicMissile::Render(LPDIRECT3DDEVICE7 m_pd3dDevice)
{
	int i = 0;
 
	EERIE_3D lastpos, newpos;
	EERIE_3D v;
	EERIE_3D stiteangle;
	EERIE_3D stitepos;
	EERIE_3D stitescale;
	EERIE_RGB stitecolor;
	EERIE_3D av;

	if (ulCurrentTime >= ulDuration)
	{
		return 0.f;
	}

	// Set Appropriate Renderstates -------------------------------------------
	SETCULL(m_pd3dDevice, D3DCULL_NONE);
	SETZWRITE(m_pd3dDevice, FALSE);
	m_pd3dDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND,  D3DBLEND_ONE);
	m_pd3dDevice->SetRenderState(D3DRENDERSTATE_DESTBLEND, D3DBLEND_ONE);
	SETALPHABLEND(m_pd3dDevice, TRUE);

	// Set Texture ------------------------------------------------------------
	if (tex_mm && tex_mm->m_pddsSurface)
	{
		if ((spells[spellinstance].caster == 0) && (cur_mr == 3))
			SETTC(m_pd3dDevice, NULL);
		else
			SETTC(m_pd3dDevice, tex_mm);
	}

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

	if (bMove)
	{
		fTrail = (ulCurrentTime * fOneOnDuration) * (iBezierPrecision + 2) * 5;
	}

	lastpos.x = pathways[0].sx;
	lastpos.y = pathways[0].sy;
	lastpos.z = pathways[0].sz;

	Vector_Copy(&newpos, &lastpos);

	for (i = 0; i < 5; i++)
	{
		int kp = i;
		int kpprec = (i > 0) ? kp - 1 : kp ;
		int kpsuiv = kp + 1 ;
		int kpsuivsuiv = (i < (5 - 2)) ? kpsuiv + 1 : kpsuiv;

		for (int toto = 1; toto < iBezierPrecision; toto++)
		{
			if (fTrail < i * iBezierPrecision + toto) break;

			float t = toto * fOneOnBezierPrecision;

			float t1 = t;
			float t2 = t1 * t1 ;
			float t3 = t2 * t1 ;
			float f0 = 2.f * t3 - 3.f * t2 + 1.f ;
			float f1 = -2.f * t3 + 3.f * t2 ;
			float f2 = t3 - 2.f * t2 + t1 ;
			float f3 = t3 - t2 ;

			float val = pathways[kpsuiv].sx;
			float p0 = 0.5f * (val - pathways[kpprec].sx) ;
			float p1 = 0.5f * (pathways[kpsuivsuiv].sx - pathways[kp].sx) ;
			v.x = f0 * pathways[kp].sx + f1 * val + f2 * p0 + f3 * p1 ;

			val = pathways[kpsuiv].sy ;
			p0 = 0.5f * (val - pathways[kpprec].sy) ;
			p1 = 0.5f * (pathways[kpsuivsuiv].sy - pathways[kp].sy) ;
			v.y = f0 * pathways[kp].sy + f1 * val + f2 * p0 + f3 * p1 ;

			val = pathways[kpsuiv].sz ;
			p0 = 0.5f * (val - pathways[kpprec].sz) ;
			p1 = 0.5f * (pathways[kpsuivsuiv].sz - pathways[kp].sz) ;
			v.z = f0 * pathways[kp].sz + f1 * val + f2 * p0 + f3 * p1 ;

			Vector_Copy(&newpos, &v);

			if (!((fTrail - (i * iBezierPrecision + toto)) > iLength))
			{
				float c;

				if (fTrail < iLength)
				{
					c = 1.0f - ((fTrail - (i * iBezierPrecision + toto)) / fTrail);
				}
				else
				{
					c = 1.0f - ((fTrail - (i * iBezierPrecision + toto)) / (float)iLength);
				}

				float fsize = c;
				float alpha = c - 0.2f;

				if (alpha < 0.2f) alpha = 0.2f;

				c += frand2() * 0.1f;

				if (c < 0) c = 0;
				else if (c > 1) c = 1;

				int color = D3DRGB(c * fColor[0] * alpha, c * fColor[1] * alpha, c * fColor[2] * alpha);

				if (fsize < 0.5f)
					fsize = fsize * 2 * 3;
				else
					fsize = (1.0f - fsize + 0.5f) * 2 * (3 * 0.5f);

				float fs = fsize * 6 + rnd() * 0.3f;
				float fe = fsize * 6 + rnd() * 0.3f;
				Draw3DLineTex(m_pd3dDevice, lastpos, newpos, color, fs, fe);
			}

			EERIE_3D temp_vector;
			Vector_Copy(&temp_vector, &lastpos);
			Vector_Copy(&lastpos, &newpos);
			Vector_Copy(&newpos, &temp_vector);
		}
	}

	av.x = newpos.x - lastpos.x;
	av.y = newpos.y - lastpos.y;
	av.z = newpos.z - lastpos.z;

	float bubu = GetAngle(av.x, av.z, 0, 0);
	float bubu1 = GetAngle(av.x, av.y, 0, 0);

	Vector_Copy(&stitepos, &lastpos);

	stiteangle.b = -RAD2DEG(bubu);
	stiteangle.a = 0;
	stiteangle.g = -(RAD2DEG(bubu1));

	if (av.x < 0)
		stiteangle.g -= 90;

	if (av.x > 0)
		stiteangle.g += 90;

	if (stiteangle.g < 0)
		stiteangle.g += 360.0f;

	if ((spells[spellinstance].caster == 0) && (cur_mr == 3))
	{
		stitecolor.r = 1.f;
		stitecolor.g = 0.f;
		stitecolor.b = 0.2f;
	}
	else
	{
		stitecolor.r = 0.3f;
		stitecolor.g = 0.3f;
		stitecolor.b = 0.5f;
	}

	Vector_Init(&stitescale, 1, 1, 1);
	{
		if ((smissile))
			DrawEERIEObjEx(m_pd3dDevice, smissile, &stiteangle, &stitepos, &stitescale, &stitecolor);
	}

	Vector_Copy(&eCurPos, &lastpos);

	return 1 - 0.5f * rnd();
}
Example #2
0
void CMagicMissile::Render()
{ 
	Vec3f lastpos, newpos;
	Vec3f v;

	if(ulCurrentTime >= ulDuration)
		return;

	// Set Appropriate Renderstates
	GRenderer->SetCulling(Renderer::CullNone);
	GRenderer->SetRenderState(Renderer::DepthWrite, false);
	GRenderer->SetBlendFunc(Renderer::BlendOne, Renderer::BlendOne);
	GRenderer->SetRenderState(Renderer::AlphaBlending, true);

	// Set Texture
	if(tex_mm) {
		if(spells[spellinstance].caster == 0 && cur_mr == 3)
			GRenderer->ResetTexture(0);
		else
			GRenderer->SetTexture(0, tex_mm);
	}

	if(bMove)
		fTrail = (ulCurrentTime * fOneOnDuration) * (iBezierPrecision + 2) * 5;
	
	newpos = lastpos = pathways[0].p;
	
	for(int i = 0; i < 5; i++) {
		int kp = i;
		int kpprec = (i > 0) ? kp - 1 : kp ;
		int kpsuiv = kp + 1 ;
		int kpsuivsuiv = (i < (5 - 2)) ? kpsuiv + 1 : kpsuiv;

		for(int toto = 1; toto < iBezierPrecision; toto++) {
			if(fTrail < i * iBezierPrecision + toto)
				break;

			float t = toto * fOneOnBezierPrecision;

			float t1 = t;
			float t2 = t1 * t1 ;
			float t3 = t2 * t1 ;
			float f0 = 2.f * t3 - 3.f * t2 + 1.f ;
			float f1 = -2.f * t3 + 3.f * t2 ;
			float f2 = t3 - 2.f * t2 + t1 ;
			float f3 = t3 - t2 ;

			float val = pathways[kpsuiv].p.x;
			float p0 = 0.5f * (val - pathways[kpprec].p.x) ;
			float p1 = 0.5f * (pathways[kpsuivsuiv].p.x - pathways[kp].p.x) ;
			v.x = f0 * pathways[kp].p.x + f1 * val + f2 * p0 + f3 * p1 ;

			val = pathways[kpsuiv].p.y ;
			p0 = 0.5f * (val - pathways[kpprec].p.y) ;
			p1 = 0.5f * (pathways[kpsuivsuiv].p.y - pathways[kp].p.y) ;
			v.y = f0 * pathways[kp].p.y + f1 * val + f2 * p0 + f3 * p1 ;

			val = pathways[kpsuiv].p.z ;
			p0 = 0.5f * (val - pathways[kpprec].p.z) ;
			p1 = 0.5f * (pathways[kpsuivsuiv].p.z - pathways[kp].p.z) ;
			v.z = f0 * pathways[kp].p.z + f1 * val + f2 * p0 + f3 * p1 ;

			newpos = v;

			if(!((fTrail - (i * iBezierPrecision + toto)) > iLength)) {
				float c;

				if(fTrail < iLength) {
					c = 1.0f - ((fTrail - (i * iBezierPrecision + toto)) / fTrail);
				} else {
					c = 1.0f - ((fTrail - (i * iBezierPrecision + toto)) / (float)iLength);
				}

				float fsize = c;
				float alpha = c - 0.2f;

				if(alpha < 0.2f)
					alpha = 0.2f;

				c += frand2() * 0.1f;

				if (c < 0) c = 0;
				else if (c > 1) c = 1;

				Color color = (fColor * (c * alpha)).to<u8>();

				if(fsize < 0.5f)
					fsize = fsize * 2 * 3;
				else
					fsize = (1.0f - fsize + 0.5f) * 2 * (3 * 0.5f);

				float fs = fsize * 6 + rnd() * 0.3f;
				float fe = fsize * 6 + rnd() * 0.3f;
				Draw3DLineTex(lastpos, newpos, color, fs, fe);
			}

			Vec3f temp_vector = lastpos;
			lastpos = newpos;
			newpos = temp_vector;
		}
	}
	
	Vec3f av = newpos - lastpos;
	
	float bubu = getAngle(av.x, av.z, 0, 0);
	float bubu1 = getAngle(av.x, av.y, 0, 0);
	
	Vec3f stitepos = lastpos;

	Anglef stiteangle;
	stiteangle.setPitch(-degrees(bubu));
	stiteangle.setYaw(0);
	stiteangle.setRoll(-(degrees(bubu1)));

	if(av.x < 0)
		stiteangle.setRoll(stiteangle.getRoll() - 90);

	if(av.x > 0)
		stiteangle.setRoll(stiteangle.getRoll() + 90);

	if(stiteangle.getRoll() < 0)
		stiteangle.setRoll(stiteangle.getRoll() + 360.0f);

	Color3f stitecolor;
	if(spells[spellinstance].caster == 0 && cur_mr == 3) {
		stitecolor.r = 1.f;
		stitecolor.g = 0.f;
		stitecolor.b = 0.2f;
	} else {
		stitecolor.r = 0.3f;
		stitecolor.g = 0.3f;
		stitecolor.b = 0.5f;
	}

	Vec3f stitescale = Vec3f_ONE;

	if(smissile)
		DrawEERIEObjEx(smissile, &stiteangle, &stitepos, &stitescale, stitecolor);

	eCurPos = lastpos;
}