630 lines
20 KiB
C++
630 lines
20 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2006-2010 - Frictional Games
|
|
*
|
|
* This file is part of HPL1 Engine.
|
|
*/
|
|
|
|
#include "hpl1/engine/graphics/ParticleEmitter3D.h"
|
|
#include "hpl1/engine/graphics/Graphics.h"
|
|
#include "hpl1/engine/math/Math.h"
|
|
#include "hpl1/engine/resources/Resources.h"
|
|
#include "hpl1/engine/scene/Camera3D.h"
|
|
#include "hpl1/engine/system/low_level_system.h"
|
|
|
|
#include "hpl1/engine/game/Game.h"
|
|
#include "hpl1/engine/scene/Scene.h"
|
|
#include "hpl1/engine/scene/World3D.h"
|
|
|
|
#include "hpl1/engine/graphics/ParticleSystem3D.h"
|
|
|
|
namespace hpl {
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// CONSTRUCTORS
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iParticleEmitter3D::iParticleEmitter3D(tString asName, tMaterialVec *avMaterials,
|
|
unsigned int alMaxParticles, cVector3f avSize,
|
|
cGraphics *apGraphics, cResources *apResources)
|
|
: iRenderable(asName), iParticleEmitter(avMaterials, alMaxParticles, avSize, apGraphics, apResources) {
|
|
mpVtxBuffer = apGraphics->GetLowLevel()->CreateVertexBuffer(
|
|
eVertexFlag_Position | eVertexFlag_Color0 | eVertexFlag_Texture0,
|
|
eVertexBufferDrawType_Tri, eVertexBufferUsageType_Stream,
|
|
alMaxParticles * 4, alMaxParticles * 6);
|
|
|
|
// Fill the indices with quads
|
|
for (int i = 0; i < (int)alMaxParticles; i++) {
|
|
int lStart = i * 4;
|
|
for (int j = 0; j < 3; j++)
|
|
mpVtxBuffer->AddIndex(lStart + j);
|
|
for (int j = 2; j < 5; j++)
|
|
mpVtxBuffer->AddIndex(lStart + (j == 4 ? 0 : j));
|
|
}
|
|
|
|
// Fill with tetxure coords (will do for most particle systems)
|
|
for (int i = 0; i < (int)alMaxParticles; i++) {
|
|
mpVtxBuffer->AddVertex(eVertexFlag_Texture0, cVector3f(1, 1, 0));
|
|
mpVtxBuffer->AddVertex(eVertexFlag_Texture0, cVector3f(0, 1, 0));
|
|
mpVtxBuffer->AddVertex(eVertexFlag_Texture0, cVector3f(0, 0, 0));
|
|
mpVtxBuffer->AddVertex(eVertexFlag_Texture0, cVector3f(1, 0, 0));
|
|
}
|
|
|
|
// Set default values for pos and col
|
|
for (int i = 0; i < (int)alMaxParticles * 4; i++) {
|
|
mpVtxBuffer->AddVertex(eVertexFlag_Position, 0);
|
|
mpVtxBuffer->AddColor(eVertexFlag_Color0, cColor(1, 1));
|
|
}
|
|
|
|
mpVtxBuffer->Compile(0);
|
|
|
|
// Setup vars
|
|
mlDirectionUpdateCount = -1;
|
|
mvDirection = cVector3f(0, 0, 0);
|
|
|
|
mvMaxDrawSize = 0;
|
|
|
|
mlAxisDrawUpdateCount = -1;
|
|
|
|
mbApplyTransformToBV = false;
|
|
|
|
mlUpdateCount = 0;
|
|
mfTimeStepAccum = 0;
|
|
|
|
// If Direction should be udpdated
|
|
mbUsesDirection = false;
|
|
|
|
mDrawType = eParticleEmitter3DType_FixedPoint;
|
|
|
|
mCoordSystem = eParticleEmitter3DCoordSystem_World;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iParticleEmitter3D::~iParticleEmitter3D() {
|
|
hplDelete(mpVtxBuffer);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// PUBLIC METHODS
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
void iParticleEmitter3D::SetSubDivUV(const cVector2l &avSubDiv) {
|
|
// Check so that there is any subdivision and that no sub division axis is
|
|
// equal or below zero
|
|
if ((avSubDiv.x > 1 || avSubDiv.y > 1) && (avSubDiv.x > 0 && avSubDiv.y > 0)) {
|
|
int lSubDivNum = avSubDiv.x * avSubDiv.y;
|
|
|
|
mvSubDivUV.resize(lSubDivNum);
|
|
|
|
float fInvW = 1.0f / (float)avSubDiv.x;
|
|
float fInvH = 1.0f / (float)avSubDiv.y;
|
|
|
|
for (int x = 0; x < avSubDiv.x; ++x)
|
|
for (int y = 0; y < avSubDiv.y; ++y) {
|
|
int lIdx = y * avSubDiv.x + x;
|
|
|
|
float fX = (float)x;
|
|
float fY = (float)y;
|
|
|
|
cPESubDivision *pSubDiv = &mvSubDivUV[lIdx];
|
|
|
|
pSubDiv->mvUV[0] = cVector3f((fX + 1) * fInvW, (fY + 1) * fInvH, 0); // 1,1
|
|
pSubDiv->mvUV[1] = cVector3f(fX * fInvW, (fY + 1) * fInvH, 0); // 0,1
|
|
pSubDiv->mvUV[2] = cVector3f(fX * fInvW, fY * fInvH, 0); // 0,0
|
|
pSubDiv->mvUV[3] = cVector3f((fX + 1) * fInvW, fY * fInvH, 0); // 1,0
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
void iParticleEmitter3D::UpdateLogic(float afTimeStep) {
|
|
if (IsActive() == false)
|
|
return;
|
|
|
|
// Skip as it has never been sued before right?
|
|
/*if(mbUsesDirection)
|
|
{
|
|
if(mlDirectionUpdateCount != GetMatrixUpdateCount())
|
|
{
|
|
mlDirectionUpdateCount = GetMatrixUpdateCount();
|
|
cMatrixf mtxInv = cMath::MatrixInverse(GetWorldMatrix());
|
|
mvDirection = mtxInv.GetUp();
|
|
}
|
|
}*/
|
|
|
|
Update(afTimeStep);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iMaterial *iParticleEmitter3D::GetMaterial() {
|
|
return (*mvMaterials)[(int)mfFrame];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
static inline void SetCol(float *apCol, const cColor &aCol) {
|
|
apCol[0] = aCol.r;
|
|
apCol[1] = aCol.g;
|
|
apCol[2] = aCol.b;
|
|
apCol[3] = aCol.a;
|
|
}
|
|
|
|
static inline void SetPos(float *apPos, const cVector3f &aPos) {
|
|
apPos[0] = aPos.x;
|
|
apPos[1] = aPos.y;
|
|
apPos[2] = aPos.z;
|
|
}
|
|
|
|
static inline void SetTex(float *apTex, const cVector3f &aPos) {
|
|
apTex[0] = aPos.x;
|
|
apTex[1] = aPos.y;
|
|
apTex[2] = aPos.z;
|
|
}
|
|
|
|
void iParticleEmitter3D::UpdateGraphics(cCamera3D *apCamera, float afFrameTime, cRenderList *apRenderList) {
|
|
if (apCamera == NULL)
|
|
return;
|
|
|
|
if (mbUpdateGfx) {
|
|
float *pPosArray = mpVtxBuffer->GetArray(eVertexFlag_Position);
|
|
float *pColArray = mpVtxBuffer->GetArray(eVertexFlag_Color0);
|
|
// NEW
|
|
if (mPEType == ePEType_Beam) {
|
|
// for (int i=0; i<(int)mlNumOfParticles; i++)
|
|
// {
|
|
// cParticle *pParticle = mvParticles[i];
|
|
|
|
// for (int j = 0; j < (int) pParticle->mvBeamPoints->size(); j++)
|
|
// {
|
|
|
|
// }
|
|
// }
|
|
|
|
} else {
|
|
//////////////////////////////////////////////////
|
|
// SUB DIVISION SET UP
|
|
if (mvSubDivUV.size() > 1) {
|
|
float *pTexArray = mpVtxBuffer->GetArray(eVertexFlag_Texture0);
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
cPESubDivision &subDiv = mvSubDivUV[pParticle->mlSubDivNum];
|
|
|
|
SetTex(&pTexArray[i * 12 + 0 * 3], subDiv.mvUV[0]);
|
|
SetTex(&pTexArray[i * 12 + 1 * 3], subDiv.mvUV[1]);
|
|
SetTex(&pTexArray[i * 12 + 2 * 3], subDiv.mvUV[2]);
|
|
SetTex(&pTexArray[i * 12 + 3 * 3], subDiv.mvUV[3]);
|
|
|
|
/*SetTex(&pTexArray[i*12 + 0*3], cVector3f(1,1,0));
|
|
SetTex(&pTexArray[i*12 + 1*3], cVector3f(0,1,0));
|
|
SetTex(&pTexArray[i*12 + 2*3], cVector3f(0,0,0));
|
|
SetTex(&pTexArray[i*12 + 3*3], cVector3f(1,0,0));*/
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////
|
|
// FIXED POINT
|
|
if (mDrawType == eParticleEmitter3DType_FixedPoint) {
|
|
cVector3f vAdd[4] = {
|
|
cVector3f(mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, mvDrawSize.y, 0),
|
|
cVector3f(mvDrawSize.x, mvDrawSize.y, 0)};
|
|
|
|
// NEW
|
|
|
|
// ---
|
|
|
|
int lVtxStride = kvVertexElements[cMath::Log2ToInt(eVertexFlag_Position)];
|
|
int lVtxQuadSize = lVtxStride * 4;
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
// This is not the fastest thing possible...
|
|
cVector3f vParticlePos = pParticle->mvPos;
|
|
|
|
if (mCoordSystem == eParticleEmitter3DCoordSystem_Local) {
|
|
vParticlePos = cMath::MatrixMul(mpParentSystem->GetWorldMatrix(), vParticlePos);
|
|
}
|
|
|
|
cVector3f vPos = cMath::MatrixMul(apCamera->GetViewMatrix(), vParticlePos);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 0 * lVtxStride], vPos + vAdd[0]);
|
|
SetCol(&pColArray[i * 16 + 0 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 1 * lVtxStride], vPos + vAdd[1]);
|
|
SetCol(&pColArray[i * 16 + 1 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 2 * lVtxStride], vPos + vAdd[2]);
|
|
SetCol(&pColArray[i * 16 + 2 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 3 * lVtxStride], vPos + vAdd[3]);
|
|
SetCol(&pColArray[i * 16 + 3 * 4], pParticle->mColor);
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////
|
|
// DYNAMIC POINT
|
|
else if (mDrawType == eParticleEmitter3DType_DynamicPoint) {
|
|
cVector3f vAdd[4] = {
|
|
cVector3f(mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, mvDrawSize.y, 0),
|
|
cVector3f(mvDrawSize.x, mvDrawSize.y, 0)};
|
|
|
|
int lVtxStride = kvVertexElements[cMath::Log2ToInt(eVertexFlag_Position)];
|
|
int lVtxQuadSize = lVtxStride * 4;
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
// This is not the fastest thing possible
|
|
cVector3f vParticlePos = pParticle->mvPos;
|
|
|
|
if (mCoordSystem == eParticleEmitter3DCoordSystem_Local) {
|
|
vParticlePos = cMath::MatrixMul(mpParentSystem->GetWorldMatrix(), vParticlePos);
|
|
}
|
|
|
|
cVector3f vPos = cMath::MatrixMul(apCamera->GetViewMatrix(), vParticlePos);
|
|
|
|
// NEW
|
|
|
|
cVector3f vParticleSize = pParticle->mvSize;
|
|
cColor &colParticleColor = pParticle->mColor;
|
|
|
|
if (mbUsePartSpin) {
|
|
cMatrixf mtxRotationMatrix = cMath::MatrixRotateZ(pParticle->mfSpin);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 0 * lVtxStride], vPos + cMath::MatrixMul(mtxRotationMatrix, vAdd[0] * vParticleSize));
|
|
SetCol(&pColArray[i * 16 + 0 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 1 * lVtxStride], vPos + cMath::MatrixMul(mtxRotationMatrix, vAdd[1] * vParticleSize));
|
|
SetCol(&pColArray[i * 16 + 1 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 2 * lVtxStride], vPos + cMath::MatrixMul(mtxRotationMatrix, vAdd[2] * vParticleSize));
|
|
SetCol(&pColArray[i * 16 + 2 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 3 * lVtxStride], vPos + cMath::MatrixMul(mtxRotationMatrix, vAdd[3] * vParticleSize));
|
|
SetCol(&pColArray[i * 16 + 3 * 4], colParticleColor);
|
|
|
|
} else {
|
|
//--
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 0 * lVtxStride], vPos + vAdd[0] * vParticleSize);
|
|
SetCol(&pColArray[i * 16 + 0 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 1 * lVtxStride], vPos + vAdd[1] * vParticleSize);
|
|
SetCol(&pColArray[i * 16 + 1 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 2 * lVtxStride], vPos + vAdd[2] * vParticleSize);
|
|
SetCol(&pColArray[i * 16 + 2 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 3 * lVtxStride], vPos + vAdd[3] * vParticleSize);
|
|
SetCol(&pColArray[i * 16 + 3 * 4], colParticleColor);
|
|
}
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////
|
|
// LINE
|
|
else if (mDrawType == eParticleEmitter3DType_Line) {
|
|
/*cVector3f vAdd[4] = {
|
|
cVector3f(mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, -mvDrawSize.y, 0),
|
|
cVector3f(-mvDrawSize.x, mvDrawSize.y, 0),
|
|
cVector3f(mvDrawSize.x, mvDrawSize.y, 0)};*/
|
|
|
|
int lVtxStride = kvVertexElements[cMath::Log2ToInt(eVertexFlag_Position)];
|
|
int lVtxQuadSize = lVtxStride * 4;
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
// This is not the fastest thing possible...
|
|
|
|
cVector3f vParticlePos1 = pParticle->mvPos;
|
|
cVector3f vParticlePos2 = pParticle->mvLastPos;
|
|
|
|
if (mCoordSystem == eParticleEmitter3DCoordSystem_Local) {
|
|
vParticlePos1 = cMath::MatrixMul(mpParentSystem->GetWorldMatrix(), vParticlePos1);
|
|
vParticlePos2 = cMath::MatrixMul(mpParentSystem->GetWorldMatrix(), vParticlePos2);
|
|
}
|
|
|
|
cVector3f vPos1 = cMath::MatrixMul(apCamera->GetViewMatrix(), vParticlePos1);
|
|
cVector3f vPos2 = cMath::MatrixMul(apCamera->GetViewMatrix(), vParticlePos2);
|
|
|
|
cVector3f vDirY;
|
|
cVector2f vDirX;
|
|
|
|
if (vPos1 == vPos2) {
|
|
vDirY = cVector3f(0, 1, 0);
|
|
vDirX = cVector2f(1, 0);
|
|
} else {
|
|
vDirY = vPos1 - vPos2;
|
|
vDirY.Normalise();
|
|
vDirX = cVector2f(vDirY.y, -vDirY.x);
|
|
vDirX.Normalise();
|
|
}
|
|
|
|
vDirX = vDirX * mvDrawSize.x * pParticle->mvSize.x;
|
|
vDirY = vDirY * mvDrawSize.y * pParticle->mvSize.y;
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 0 * lVtxStride], vPos2 + vDirY * -1 + vDirX);
|
|
SetCol(&pColArray[i * 16 + 0 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 1 * lVtxStride], vPos2 + vDirY * -1 + vDirX * -1);
|
|
SetCol(&pColArray[i * 16 + 1 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 2 * lVtxStride], vPos1 + vDirY + vDirX * -1);
|
|
SetCol(&pColArray[i * 16 + 2 * 4], pParticle->mColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 3 * lVtxStride], vPos1 + vDirY + vDirX);
|
|
SetCol(&pColArray[i * 16 + 3 * 4], pParticle->mColor);
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////
|
|
// AXIS
|
|
else if (mDrawType == eParticleEmitter3DType_Axis) {
|
|
if (mlAxisDrawUpdateCount != GetMatrixUpdateCount()) {
|
|
mlAxisDrawUpdateCount = GetMatrixUpdateCount();
|
|
cMatrixf mtxInv = cMath::MatrixInverse(GetWorldMatrix());
|
|
mvRight = mtxInv.GetRight();
|
|
mvForward = mtxInv.GetForward();
|
|
}
|
|
|
|
cVector3f vAdd[4];
|
|
/*=
|
|
{
|
|
mvRight + mvForward * 1,
|
|
mvRight * -1 + mvForward * 1,
|
|
mvRight * -1 + mvForward * -1,
|
|
mvRight + mvForward * -1
|
|
};*/
|
|
|
|
int lVtxStride = kvVertexElements[cMath::Log2ToInt(eVertexFlag_Position)];
|
|
int lVtxQuadSize = lVtxStride * 4;
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
// This is not the fastest thing possible
|
|
cVector3f vParticlePos = pParticle->mvPos;
|
|
|
|
if (mCoordSystem == eParticleEmitter3DCoordSystem_Local) {
|
|
vParticlePos = cMath::MatrixMul(mpParentSystem->GetWorldMatrix(), vParticlePos);
|
|
}
|
|
|
|
cVector3f vPos = vParticlePos; // cMath::MatrixMul(apCamera->GetViewMatrix(), vParticlePos);
|
|
cVector2f &vSize = pParticle->mvSize;
|
|
|
|
vAdd[0] = mvRight * vSize.x + mvForward * vSize.y;
|
|
vAdd[1] = mvRight * -vSize.x + mvForward * vSize.y;
|
|
vAdd[2] = mvRight * -vSize.x + mvForward * -vSize.y;
|
|
vAdd[3] = mvRight * vSize.x + mvForward * -vSize.y;
|
|
|
|
cColor &colParticleColor = pParticle->mColor;
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 0 * lVtxStride], vPos + vAdd[0]);
|
|
SetCol(&pColArray[i * 16 + 0 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 1 * lVtxStride], vPos + vAdd[1]);
|
|
SetCol(&pColArray[i * 16 + 1 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 2 * lVtxStride], vPos + vAdd[2]);
|
|
SetCol(&pColArray[i * 16 + 2 * 4], colParticleColor);
|
|
|
|
SetPos(&pPosArray[i * lVtxQuadSize + 3 * lVtxStride], vPos + vAdd[3]);
|
|
SetCol(&pColArray[i * 16 + 3 * 4], colParticleColor);
|
|
}
|
|
}
|
|
|
|
mpVtxBuffer->SetElementNum(mlNumOfParticles * 6);
|
|
|
|
mbUpdateGfx = false;
|
|
|
|
// Update the vertex buffer data
|
|
|
|
if (mvSubDivUV.size() > 1)
|
|
mpVtxBuffer->UpdateData(eVertexFlag_Position | eVertexFlag_Color0 | eVertexFlag_Texture0, false);
|
|
else
|
|
mpVtxBuffer->UpdateData(eVertexFlag_Position | eVertexFlag_Color0, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iVertexBuffer *iParticleEmitter3D::GetVertexBuffer() {
|
|
return mpVtxBuffer;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
bool iParticleEmitter3D::IsVisible() {
|
|
if (IsActive() == false)
|
|
return false;
|
|
return IsRendered();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
cBoundingVolume *iParticleEmitter3D::GetBoundingVolume() {
|
|
if (mbUpdateBV) {
|
|
cVector3f vMin(100000, 100000, 100000);
|
|
cVector3f vMax(-100000, -100000, -100000);
|
|
|
|
for (int i = 0; i < (int)mlNumOfParticles; i++) {
|
|
cParticle *pParticle = mvParticles[i];
|
|
|
|
// X
|
|
if (pParticle->mvPos.x < vMin.x)
|
|
vMin.x = pParticle->mvPos.x;
|
|
else if (pParticle->mvPos.x > vMax.x)
|
|
vMax.x = pParticle->mvPos.x;
|
|
|
|
// Y
|
|
if (pParticle->mvPos.y < vMin.y)
|
|
vMin.y = pParticle->mvPos.y;
|
|
else if (pParticle->mvPos.y > vMax.y)
|
|
vMax.y = pParticle->mvPos.y;
|
|
|
|
// Z
|
|
if (pParticle->mvPos.z < vMin.z)
|
|
vMin.z = pParticle->mvPos.z;
|
|
else if (pParticle->mvPos.z > vMax.z)
|
|
vMax.z = pParticle->mvPos.z;
|
|
}
|
|
|
|
vMax += cVector3f(mvMaxDrawSize.x, mvMaxDrawSize.y, mvMaxDrawSize.x);
|
|
vMin -= cVector3f(mvMaxDrawSize.x, mvMaxDrawSize.y, mvMaxDrawSize.x);
|
|
|
|
mBoundingVolume.SetLocalMinMax(vMin, vMax);
|
|
|
|
// Log("Min: (%f, %f, %f) Max: (%f, %f, %f)\n", vMin.x, vMin.y, vMin.z, vMax.x,vMax.y,vMax.z);
|
|
|
|
if (mCoordSystem == eParticleEmitter3DCoordSystem_Local) {
|
|
mBoundingVolume.SetTransform(mpParentSystem->GetWorldMatrix());
|
|
}
|
|
|
|
mbUpdateBV = false;
|
|
}
|
|
|
|
return &mBoundingVolume;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
cMatrixf *iParticleEmitter3D::GetModelMatrix(cCamera3D *apCamera) {
|
|
if (apCamera) {
|
|
if (mDrawType == eParticleEmitter3DType_Axis) {
|
|
m_mtxTemp = cMatrixf::Identity;
|
|
}
|
|
// This is really not good...
|
|
else if (mCoordSystem == eParticleEmitter3DCoordSystem_World) {
|
|
m_mtxTemp = cMath::MatrixInverse(apCamera->GetViewMatrix());
|
|
} else {
|
|
m_mtxTemp = cMath::MatrixInverse(apCamera->GetViewMatrix());
|
|
// m_mtxTemp = cMath::MatrixMul(cMath::MatrixInverse(apCamera->GetViewMatrix()),
|
|
// GetWorldMatrix());
|
|
}
|
|
|
|
// m_mtxTemp.SetTranslation(cVector3f(0,0,0));//GetWorldMatrix().GetTranslation());
|
|
|
|
// m_mtxTemp = cMatrixf::Identity;
|
|
|
|
// cMatrixf mtxCam = apCamera->GetViewMatrix();
|
|
// Log("MATRIX: %s\n",mtxCam.ToString().c_str());
|
|
|
|
return &m_mtxTemp;
|
|
|
|
} else {
|
|
return &GetWorldMatrix();
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// PROTECTED METHODS
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// SAVE OBJECT STUFF
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
kBeginSerialize(cSaveData_iParticleEmitter3D, cSaveData_iRenderable)
|
|
/*kSerializeVar(msDataName, eSerializeType_String)
|
|
kSerializeVar(mvDataSize, eSerializeType_Vector3f)
|
|
kSerializeVar(mlTime, eSerializeType_Int32)
|
|
kSerializeVar(mbDying, eSerializeType_Bool)
|
|
kSerializeVar(mfFrame, eSerializeType_Float32)*/
|
|
kEndSerialize()
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iSaveObject *cSaveData_iParticleEmitter3D::CreateSaveObject(cSaveObjectHandler *apSaveObjectHandler, cGame *apGame) {
|
|
/*cWorld3D *pWorld = apGame->GetScene()->GetWorld3D();
|
|
|
|
return pWorld->CreateParticleSystem(msName,msDataName,mvDataSize);*/
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
int cSaveData_iParticleEmitter3D::GetSaveCreatePrio() {
|
|
return 3;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
iSaveData *iParticleEmitter3D::CreateSaveData() {
|
|
// return hplNew( cSaveData_iParticleEmitter3D, () );
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
void iParticleEmitter3D::SaveToSaveData(iSaveData *apSaveData) {
|
|
/*kSaveData_SaveToBegin(iParticleEmitter3D);
|
|
|
|
kSaveData_SaveTo(msDataName);
|
|
kSaveData_SaveTo(mvDataSize);
|
|
kSaveData_SaveTo(mlTime);
|
|
kSaveData_SaveTo(mbDying);
|
|
kSaveData_SaveTo(mfFrame);*/
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
void iParticleEmitter3D::LoadFromSaveData(iSaveData *apSaveData) {
|
|
/*kSaveData_LoadFromBegin(iParticleEmitter3D);
|
|
|
|
kSaveData_LoadFrom(mlTime);
|
|
kSaveData_LoadFrom(mbDying);
|
|
kSaveData_LoadFrom(mfFrame);*/
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
|
|
void iParticleEmitter3D::SaveDataSetup(cSaveObjectHandler *apSaveObjectHandler, cGame *apGame) {
|
|
// kSaveData_SetupBegin(iParticleEmitter3D);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
} // namespace hpl
|