From 3bd383baf6a17e734329e1fc677c7e86283db772 Mon Sep 17 00:00:00 2001 From: Chris Xiong Date: Mon, 26 Oct 2015 22:52:36 +0800 Subject: Added support for relative line numbers. Added instructions for, brk and cont. (They are still untested...) Parser code cleanup. Removed garbage output to stderr. Reorganize the repository structure. Updated BLR2 code move it into archive. Added BLR1 files. --- hgehelp/hgeparticle.cpp | 311 ------------------------------------------------ 1 file changed, 311 deletions(-) delete mode 100644 hgehelp/hgeparticle.cpp (limited to 'hgehelp/hgeparticle.cpp') diff --git a/hgehelp/hgeparticle.cpp b/hgehelp/hgeparticle.cpp deleted file mode 100644 index d0d054d..0000000 --- a/hgehelp/hgeparticle.cpp +++ /dev/null @@ -1,311 +0,0 @@ -// PLEASE NOTE that this is not the 1.81 version of hgeparticle.cpp ... -// the game I'm working on used an older HGE that breaks with the 1.81 -// particle system. If you want 1.81, add the "byteswap" stuff to it. --ryan. - -/* -** Haaf's Game Engine 1.61 -** Copyright (C) 2003-2007, Relish Games -** hge.relishgames.com -** -** hgeParticleSystem helper class implementation -*/ - - -#include "hgeparticle.h" - -HGE *hgeParticleSystem::hge=0; - -hgeParticleSystem::hgeParticleSystem(const char *filename, hgeSprite *sprite, float fps) -{ - void *psi; - - hge=hgeCreate(HGE_VERSION); - - psi=hge->Resource_Load(filename); - if(!psi) return; - - char *ptr = (char *) psi; - memset(&info, '\0', sizeof (info)); - info.sprite = sprite; - ptr += 4; // skip these bytes. - -#ifdef WIN32 -#define BYTESWAP(a) -#endif - #define SETMEMBER(typ, x) \ - { info.x = *((const typ *) ptr); ptr += sizeof (typ); BYTESWAP(info.x); } - SETMEMBER(int, nEmission); - SETMEMBER(float, fLifetime); - SETMEMBER(float, fParticleLifeMin); - SETMEMBER(float, fParticleLifeMax); - SETMEMBER(float, fDirection); - SETMEMBER(float, fSpread); - SETMEMBER(BYTE, bRelative); - ptr += 3; // padding. - SETMEMBER(float, fSpeedMin); - SETMEMBER(float, fSpeedMax); - SETMEMBER(float, fGravityMin); - SETMEMBER(float, fGravityMax); - SETMEMBER(float, fRadialAccelMin); - SETMEMBER(float, fRadialAccelMax); - SETMEMBER(float, fTangentialAccelMin); - SETMEMBER(float, fTangentialAccelMax); - SETMEMBER(float, fSizeStart); - SETMEMBER(float, fSizeEnd); - SETMEMBER(float, fSizeVar); - SETMEMBER(float, fSpinStart); - SETMEMBER(float, fSpinEnd); - SETMEMBER(float, fSpinVar); - SETMEMBER(float, colColorStart.r); - SETMEMBER(float, colColorStart.g); - SETMEMBER(float, colColorStart.b); - SETMEMBER(float, colColorStart.a); - SETMEMBER(float, colColorEnd.r); - SETMEMBER(float, colColorEnd.g); - SETMEMBER(float, colColorEnd.b); - SETMEMBER(float, colColorEnd.a); - SETMEMBER(float, fColorVar); - SETMEMBER(float, fAlphaVar); - #undef SETMEMBER - - hge->Resource_Free(psi); - - vecLocation.x=vecPrevLocation.x=0.0f; - vecLocation.y=vecPrevLocation.y=0.0f; - fTx=fTy=0; - - fEmissionResidue=0.0f; - nParticlesAlive=0; - fAge=-2.0; - if(fps!=0.0f) fUpdSpeed=1.0f/fps; - else fUpdSpeed=0.0f; - fResidue=0.0f; - - rectBoundingBox.Clear(); - bUpdateBoundingBox=false; -} - -hgeParticleSystem::hgeParticleSystem(hgeParticleSystemInfo *psi, float fps) -{ - hge=hgeCreate(HGE_VERSION); - - memcpy(&info, psi, sizeof(hgeParticleSystemInfo)); - - vecLocation.x=vecPrevLocation.x=0.0f; - vecLocation.y=vecPrevLocation.y=0.0f; - fTx=fTy=0; - - fEmissionResidue=0.0f; - nParticlesAlive=0; - fAge=-2.0; - if(fps!=0.0f) fUpdSpeed=1.0f/fps; - else fUpdSpeed=0.0f; - fResidue=0.0f; - - rectBoundingBox.Clear(); - bUpdateBoundingBox=false; -} - -hgeParticleSystem::hgeParticleSystem(const hgeParticleSystem &ps) -{ - memcpy(this, &ps, sizeof(hgeParticleSystem)); - hge=hgeCreate(HGE_VERSION); -} - -void hgeParticleSystem::Update(float fDeltaTime) -{ - if(fUpdSpeed==0.0f) _update(fDeltaTime); - else - { - fResidue+=fDeltaTime; - if(fResidue>=fUpdSpeed) - { - _update(fUpdSpeed); - while(fResidue>=fUpdSpeed) fResidue-=fUpdSpeed; - } - } -} - -void hgeParticleSystem::_update(float fDeltaTime) -{ - int i; - float ang; - hgeParticle *par; - hgeVector vecAccel, vecAccel2; - - if(fAge >= 0) - { - fAge += fDeltaTime; - if(fAge >= info.fLifetime) fAge = -2.0f; - } - - // update all alive particles - - if(bUpdateBoundingBox) rectBoundingBox.Clear(); - par=particles; - - for(i=0; ifAge += fDeltaTime; - if(par->fAge >= par->fTerminalAge) - { - nParticlesAlive--; - memcpy(par, &particles[nParticlesAlive], sizeof(hgeParticle)); - i--; - continue; - } - - vecAccel = par->vecLocation-vecLocation; - vecAccel.Normalize(); - vecAccel2 = vecAccel; - vecAccel *= par->fRadialAccel; - - // vecAccel2.Rotate(M_PI_2); - // the following is faster - ang = vecAccel2.x; - vecAccel2.x = -vecAccel2.y; - vecAccel2.y = ang; - - vecAccel2 *= par->fTangentialAccel; - par->vecVelocity += (vecAccel+vecAccel2)*fDeltaTime; - par->vecVelocity.y += par->fGravity*fDeltaTime; - - par->vecLocation += par->vecVelocity; - - par->fSpin += par->fSpinDelta*fDeltaTime; - par->fSize += par->fSizeDelta*fDeltaTime; - par->colColor += par->colColorDelta*fDeltaTime; - - if(bUpdateBoundingBox) rectBoundingBox.Encapsulate(par->vecLocation.x, par->vecLocation.y); - - par++; - } - - // generate new particles - - if(fAge != -2.0f) - { - float fParticlesNeeded = info.nEmission*fDeltaTime + fEmissionResidue; - int nParticlesCreated = (unsigned int)fParticlesNeeded; - fEmissionResidue=fParticlesNeeded-nParticlesCreated; - - par=&particles[nParticlesAlive]; - - for(i=0; i=MAX_PARTICLES) break; - - par->fAge = 0.0f; - par->fTerminalAge = hge->Random_Float(info.fParticleLifeMin, info.fParticleLifeMax); - - par->vecLocation = vecPrevLocation+(vecLocation-vecPrevLocation)*hge->Random_Float(0.0f, 1.0f); - par->vecLocation.x += hge->Random_Float(-2.0f, 2.0f); - par->vecLocation.y += hge->Random_Float(-2.0f, 2.0f); - - ang=info.fDirection-M_PI_2+hge->Random_Float(0,info.fSpread)-info.fSpread/2.0f; - if(info.bRelative) ang += (vecPrevLocation-vecLocation).Angle()+M_PI_2; - par->vecVelocity.x = cosf(ang); - par->vecVelocity.y = sinf(ang); - par->vecVelocity *= hge->Random_Float(info.fSpeedMin, info.fSpeedMax); - - par->fGravity = hge->Random_Float(info.fGravityMin, info.fGravityMax); - par->fRadialAccel = hge->Random_Float(info.fRadialAccelMin, info.fRadialAccelMax); - par->fTangentialAccel = hge->Random_Float(info.fTangentialAccelMin, info.fTangentialAccelMax); - - par->fSize = hge->Random_Float(info.fSizeStart, info.fSizeStart+(info.fSizeEnd-info.fSizeStart)*info.fSizeVar); - par->fSizeDelta = (info.fSizeEnd-par->fSize) / par->fTerminalAge; - - par->fSpin = hge->Random_Float(info.fSpinStart, info.fSpinStart+(info.fSpinEnd-info.fSpinStart)*info.fSpinVar); - par->fSpinDelta = (info.fSpinEnd-par->fSpin) / par->fTerminalAge; - - par->colColor.r = hge->Random_Float(info.colColorStart.r, info.colColorStart.r+(info.colColorEnd.r-info.colColorStart.r)*info.fColorVar); - par->colColor.g = hge->Random_Float(info.colColorStart.g, info.colColorStart.g+(info.colColorEnd.g-info.colColorStart.g)*info.fColorVar); - par->colColor.b = hge->Random_Float(info.colColorStart.b, info.colColorStart.b+(info.colColorEnd.b-info.colColorStart.b)*info.fColorVar); - par->colColor.a = hge->Random_Float(info.colColorStart.a, info.colColorStart.a+(info.colColorEnd.a-info.colColorStart.a)*info.fAlphaVar); - - par->colColorDelta.r = (info.colColorEnd.r-par->colColor.r) / par->fTerminalAge; - par->colColorDelta.g = (info.colColorEnd.g-par->colColor.g) / par->fTerminalAge; - par->colColorDelta.b = (info.colColorEnd.b-par->colColor.b) / par->fTerminalAge; - par->colColorDelta.a = (info.colColorEnd.a-par->colColor.a) / par->fTerminalAge; - - if(bUpdateBoundingBox) rectBoundingBox.Encapsulate(par->vecLocation.x, par->vecLocation.y); - - nParticlesAlive++; - par++; - } - } - - vecPrevLocation=vecLocation; -} - -void hgeParticleSystem::MoveTo(float x, float y, bool bMoveParticles) -{ - int i; - float dx,dy; - - if(bMoveParticles) - { - dx=x-vecLocation.x; - dy=y-vecLocation.y; - - for(i=0;iGetColor(); - - for(i=0; iSetColor(par->colColor.GetHWColor()); - info.sprite->RenderEx(par->vecLocation.x+fTx, par->vecLocation.y+fTy, par->fSpin*par->fAge, par->fSize); - par++; - } - - info.sprite->SetColor(col); -} - -- cgit v1.2.3