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#include "stdafx.h" |
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#include "CModelPlugin.h" |
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#include "CEnvPlugin.h" |
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#include "CScene.h" |
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#include "CConfigMode.h" |
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|
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// 内部グローバル |
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VEC3 g_WindDir = V3ZERO; // 風方向 |
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VEC3 g_WindDirNorm = V3DIR; // 風方向 (正規化済) |
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|
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/* |
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* コンストラクタ |
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*/ |
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CParticleInst::CParticleInst( |
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CParticle *emitter, // エミッタ |
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VEC3 pos, // 座標 |
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VEC3 dir, // 速度 |
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float initradius, // 半径 |
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float finradius, // アルファ |
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int lifetime, // 寿命 |
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CScene *scene // シーン |
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){ |
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m_Emitter = emitter; |
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m_Pos = pos; |
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m_Dir = dir; |
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m_InitRadius = initradius; |
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m_FinRadius = finradius; |
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m_Alpha = 0.0f; |
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m_Angle = FRand(2.0f*D3DX_PI); |
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m_Color = MixColor(m_Emitter->m_Color[0], m_Emitter->m_Color[1], FRand(1.0f)); |
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m_Lifetime = lifetime; |
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if(m_Lifetime<=0) m_Lifetime = 1; |
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m_Timer = 0; |
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m_Scene = scene; |
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} |
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|
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/* |
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* レンダリング |
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*/ |
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void CParticleInst::Render(){ |
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if(m_Timer>m_Lifetime || m_Scene!=g_Scene) return; |
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devTransBillboard(m_Pos); |
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devSetTexture(0, m_Emitter->m_Texture); |
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float radius = 1.41421356f*(m_Alpha*m_InitRadius+(1.0f-m_Alpha)*m_FinRadius); |
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float si = sinf(m_Angle)*radius, co = cosf(m_Angle)*radius; |
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D3DCOLOR col = ScaleColor(m_Color, m_Alpha); |
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if(m_Emitter->m_BlendMode){ |
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devBLEND_ADD2(); |
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}else{ |
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devBLEND_ALPHA(); |
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col = MultiplyColor(g_NoLightColor, col); |
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} |
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SetUVMap(0.0f, 0.0f, 1.0f, 1.0f); |
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TexMap3DRect( |
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VEC3(co, si, 0.0f), VEC3(si, -co, 0.0f), |
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VEC3(-co, -si, 0.0f), VEC3(-si, co, 0.0f), col); |
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} |
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|
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/* |
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* シミュレーション進行 |
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*/ |
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bool CParticleInst::Simulate(){ |
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m_Timer++; |
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if(m_Timer>m_Lifetime) return false; |
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VEC3 wind = g_ConfigMode->GetWind() ? g_WindDir : V3ZERO; |
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m_Alpha = (float)(m_Lifetime-m_Timer)/m_Lifetime; |
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m_Pos += m_Dir; |
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m_Dir.y -= m_Emitter->m_Gravity; |
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m_Dir = (1.0f-m_Emitter->m_AirResistance)*m_Dir |
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+m_Emitter->m_AirResistance*(wind+V3RandS(m_Emitter->m_Turbulence)); |
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return true; |
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} |
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|
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//////////////////////////////////////////////////////////////////////////////// |
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//////////////////////////////////////////////////////////////////////////////// |
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|
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/* |
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* 読込 |
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*/ |
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char *CParticleState::Read( |
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char *str // 対象文字列 |
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){ |
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char *eee; |
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if(!(str = Assignment(eee = str, "ParticleState"))) return NULL; |
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if(!(str = ConstFloat(eee = str, &m_EmissionCredit))) throw CSynErr(eee); |
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if(!(str = Character2(eee = str, ','))) throw CSynErr(eee); |
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if(!(str = Vector3D(eee = str, &m_OldPos))) throw CSynErr(eee); |
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if(!(str = Character2(eee = str, ';'))) throw CSynErr(eee); |
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return str; |
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} |
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|
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/* |
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* 保存 |
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*/ |
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void CParticleState::Save( |
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FILE *df, // ファイル |
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char *ind // インデント |
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){ |
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fprintf(df, "%sParticleState = %f, ", ind, m_EmissionCredit); |
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V3Save(df, m_OldPos, ";\n"); |
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} |
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|
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//////////////////////////////////////////////////////////////////////////////// |
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//////////////////////////////////////////////////////////////////////////////// |
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|
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// 内部グローバル |
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list<CParticleInst> CParticle::ms_RenderList; |
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|
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/* |
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* [static] |
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* リスト初期化 |
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*/ |
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void CParticle::InitRenderList(){ |
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ms_RenderList.clear(); |
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} |
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|
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/* |
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* [static] |
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* 全てレンダリング |
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*/ |
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void CParticle::RenderAll(){ |
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if(!g_ConfigMode->GetMiscParticle()) return; |
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devResetMaterial(); |
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//devSetZRead(FALSE); |
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devSetZWrite(FALSE); |
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devSetLighting(FALSE); |
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IParticleInst ipi; |
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for(ipi = ms_RenderList.begin(); ipi!=ms_RenderList.end(); ipi++) ipi->CalcDist(); |
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ms_RenderList.sort(); |
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for(ipi = ms_RenderList.begin(); ipi!=ms_RenderList.end(); ipi++) ipi->Render(); |
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//devSetZRead(TRUE); |
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devSetZWrite(TRUE); |
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devSetLighting(TRUE); |
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devBLEND_ALPHA(); |
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} |
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|
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/* |
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* [static] |
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* 全てシミュレート |
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*/ |
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void CParticle::SimulateAll(){ |
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IParticleInst ipi = ms_RenderList.begin(); |
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// Dialog("particles %d", ms_RenderList.size()); |
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while(ipi!=ms_RenderList.end()){ |
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if(ipi->Simulate()) ipi++; |
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else ipi = ms_RenderList.erase(ipi); |
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} |
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} |
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|
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/* |
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* 読込 |
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*/ |
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char *CParticle::Read( |
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char *str, // 対象文字列 |
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CModelPlugin *mpi // 車輌プラグイン |
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){ |
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char *tmp, *eee; |
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int i; |
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string obj, blend; |
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m_Texture = NULL; |
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if(!(str = BeginBlock(str, "Particle"))) return NULL; |
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if(!(str = AsgnString(eee = str, "TextureFileName", &m_TextureFileName))) throw CSynErr(eee); |
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if(!(str = AsgnString(eee = str, "AttachObject", &obj))) throw CSynErr(eee); |
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if(!(m_Link = mpi->FindObject(obj))) |
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throw CSynErr(eee, "%s: \"%s\"", lang(UndefinedObject), obj.c_str()); |
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if(!(str = AsgnVector3D(eee = str, "SourceCoord", &m_SourceCoord))) throw CSynErr(eee); |
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if(!(str = AsgnFloat(eee = str, "MinQty", &m_MinQty))) throw CSynErr(eee); |
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if(tmp = AsgnFloat(eee = str, "MaxQty", &m_MaxQty)) str = tmp; |
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else m_MaxQty = m_MinQty; |
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if(tmp = AsgnFloat(eee = str, "VelocityRel", &m_VelocityRel)) str = tmp; |
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else m_VelocityRel = 0.0f; |
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if(tmp = AsgnFloat(eee = str, "AccelerationRel", &m_AccelerationRel)) str = tmp; |
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else m_AccelerationRel = 0.0f; |
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if(tmp = AsgnFloat(eee = str, "DecelerationRel", &m_DecelerationRel)) str = tmp; |
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else m_DecelerationRel = 0.0f; |
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m_MinQty /= MAXFPS; |
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m_MaxQty /= MAXFPS; |
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m_VelocityRel *= 3.6f; |
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m_AccelerationRel *= 3.6f*MAXFPS; |
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m_DecelerationRel *= 3.6f*MAXFPS; |
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if(!(str = AsgnFloat(eee = str, "Lifetime", m_Lifetime, 2, true))) throw CSynErr(eee); |
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if(!(str = AsgnVector3D(eee = str, "Direction", m_Direction, 2, true))) throw CSynErr(eee); |
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for(i = 0; i<2; i++) m_Direction[i] /= MAXFPS; |
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if(!(str = AsgnFloat(eee = str, "InitialRadius", m_InitialRadius, 2, true))) throw CSynErr(eee); |
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if(!(str = AsgnFloat(eee = str, "FinalRadius", m_FinalRadius, 2, true))) throw CSynErr(eee); |
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if(!(str = AsgnColor(eee = str, "Color", m_Color, 2, true))) throw CSynErr(eee); |
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if(!(str = AsgnIdentifier(eee = str, "BlendMode", &blend))) throw CSynErr(eee); |
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if(blend=="Alpha") m_BlendMode = 0; |
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else if(blend=="Add") m_BlendMode = 1; |
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else throw CSynErr(eee, "%s: \"%s\"", lang(InvalidBlendMode), blend.c_str()); |
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if(tmp = AsgnFloat(eee = str, "AirResistance", &m_AirResistance)) str = tmp; |
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else m_AirResistance = 0.0f; |
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ValueArea(&m_AirResistance, 0.0f, 1.0f); |
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m_AirResistance = 1.0f-powf(1.0f-m_AirResistance, 1.0f/MAXFPS); |
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if(tmp = AsgnFloat(eee = str, "Gravity", &m_Gravity)) str = tmp; |
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else m_Gravity = 0.0f; |
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m_Gravity /= MAXFPS; |
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if(tmp = AsgnFloat(eee = str, "Turbulence", &m_Turbulence)) str = tmp; |
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else m_Turbulence = 0.0f; |
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m_Turbulence /= MAXFPS; |
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if(!(str = EndBlock(eee = str))) throw CSynErr(eee, ERR_ENDBLOCK); |
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m_LinkState = NULL; |
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return str; |
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} |
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|
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/* |
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* データ読込 |
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*/ |
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void CParticle::LoadData(){ |
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m_Texture = g_TexList.Get(FALSE, m_TextureFileName.c_str(), 0, !g_NamedObjectMipMap); |
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} |
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|
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/* |
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* 状態変数をアタッチ |
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*/ |
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void CParticle::Link( |
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CParticleState *stt // 状態変数 |
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){ |
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m_LinkState = stt; |
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m_LinkState->m_ApplyFlag = false; |
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} |
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|
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/* |
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* レンダリングリストに登録 |
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*/ |
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void CParticle::Register( |
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CScene *scene // シーン |
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){ |
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if(!m_LinkState || !scene) return; |
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m_LinkState->m_ApplyFlag = true; |
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CObject *obj = m_Link->GetObject(); |
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VEC3 oright = obj->GetRight(), oup = obj->GetUp(), odir = obj->GetDir(); |
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V3Norm(&oright, &oright); |
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V3Norm(&oup, &oup); |
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V3Norm(&odir, &odir); |
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VEC3 pos = obj->GetPos()+V3LocalToWorld(&m_SourceCoord, &oright, &oup, &odir); |
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if(m_LinkState->m_EmissionCredit<0.0f){ |
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m_LinkState->m_EmissionCredit = 0.0f; |
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m_LinkState->m_EmissionCredit = 0.0f; |
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m_LinkState->m_OldPos = pos; |
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return; |
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} |
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VEC3 wind = g_ConfigMode->GetWind() ? g_WindDir : V3ZERO; |
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VEC3 delta = pos-m_LinkState->m_OldPos; |
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float speed = V3Len(&delta); |
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if(m_LinkState->m_OldSpeed<0.0f) m_LinkState->m_OldSpeed = speed; |
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float acc = speed-m_LinkState->m_OldSpeed; |
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float qty = m_MinQty+m_VelocityRel*speed |
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+(acc<0.0f ? -m_DecelerationRel : m_AccelerationRel)*acc; |
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ValueArea(&qty, m_MinQty, m_MaxQty); |
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m_LinkState->m_EmissionCredit += qty; |
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int i = 0, credit = (int)m_LinkState->m_EmissionCredit; |
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while(m_LinkState->m_EmissionCredit>=1.0f){ |
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m_LinkState->m_EmissionCredit -= 1.0f; |
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VEC3 rad = V3Rand2(m_Direction[0], m_Direction[1]); |
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VEC3 dir = V3LocalToWorld(&rad, &oright, &oup, &odir)+delta; |
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float fix = (float)(i++)/credit, vfix = powf(1.0f-m_AirResistance, fix); |
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ms_RenderList.push_back(CParticleInst( |
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this, pos+fix*rad, vfix*dir+(1.0f-vfix)*wind, |
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FRand2(m_InitialRadius[0], m_InitialRadius[1]), |
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FRand2(m_FinalRadius[0], m_FinalRadius[1]), |
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Round(FRand2(m_Lifetime[0], m_Lifetime[1])*MAXFPS), scene)); |
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} |
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m_LinkState->m_OldPos = pos; |
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m_LinkState->m_OldSpeed = speed; |
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} |
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