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Add support for rendering particles to the glow buffer

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This commit is contained in:
LukasPJ 2014-11-28 23:34:26 +01:00
parent c08413ffde
commit 30a8401d14
11 changed files with 179 additions and 63 deletions
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8
Engine/source/T3D/fx/particleEmitter.cpp
View file

@ -145,6 +145,7 @@ ParticleEmitterData::ParticleEmitterData()
blendStyle = ParticleRenderInst::BlendUndefined;
sortParticles = false;
renderReflection = true;
glow = false;
reverseOrder = false;
textureName = 0;
textureHandle = 0;
@ -289,6 +290,9 @@ void ParticleEmitterData::initPersistFields()
addField( "renderReflection", TYPEID< bool >(), Offset(renderReflection, ParticleEmitterData),
"Controls whether particles are rendered onto reflective surfaces like water." );
addField("glow", TYPEID< bool >(), Offset(glow, ParticleEmitterData),
"If true, the particles are rendered to the glow buffer as well.");
//@}
endGroup( "ParticleEmitterData" );
@ -356,6 +360,7 @@ void ParticleEmitterData::packData(BitStream* stream)
}
stream->writeFlag(highResOnly);
stream->writeFlag(renderReflection);
stream->writeFlag(glow);
stream->writeInt( blendStyle, 4 );
}
@ -418,6 +423,7 @@ void ParticleEmitterData::unpackData(BitStream* stream)
}
highResOnly = stream->readFlag();
renderReflection = stream->readFlag();
glow = stream->readFlag();
blendStyle = stream->readInt( 4 );
}
@ -909,6 +915,8 @@ void ParticleEmitter::prepRenderImage(SceneRenderState* state)
ri->blendStyle = mDataBlock->blendStyle;
ri->glow = mDataBlock->glow;
// use first particle's texture unless there is an emitter texture to override it
if (mDataBlock->textureHandle)
ri->diffuseTex = &*(mDataBlock->textureHandle);

1
Engine/source/T3D/fx/particleEmitter.h
View file

@ -114,6 +114,7 @@ class ParticleEmitterData : public GameBaseData
GFXTexHandle textureHandle; ///< Emitter texture handle from txrName
bool highResOnly; ///< This particle system should not use the mixed-resolution particle rendering
bool renderReflection; ///< Enables this emitter to render into reflection passes.
bool glow; ///< Renders this emitter into the glow buffer.
bool reload();
};

41
Engine/source/renderInstance/renderGlowMgr.cpp
View file

@ -22,6 +22,7 @@
#include "platform/platform.h"
#include "renderInstance/renderGlowMgr.h"
#include "renderInstance/renderParticleMgr.h"
#include "scene/sceneManager.h"
#include "scene/sceneRenderState.h"
@ -89,6 +90,9 @@ RenderGlowMgr::RenderGlowMgr()
{
notifyType( RenderPassManager::RIT_Decal );
notifyType( RenderPassManager::RIT_Translucent );
notifyType( RenderPassManager::RIT_Particle );
mParticleRenderMgr = NULL;
mNamedTarget.registerWithName( "glowbuffer" );
mTargetSizeType = WindowSize;
@ -122,6 +126,14 @@ void RenderGlowMgr::addElement( RenderInst *inst )
// manner so we can skip glow in a non-diffuse render pass.
//if ( !mParentManager->getSceneManager()->getSceneState()->isDiffusePass() )
//return RenderBinManager::arSkipped;
ParticleRenderInst *particleInst = NULL;
if(inst->type == RenderPassManager::RIT_Particle)
particleInst = static_cast<ParticleRenderInst*>(inst);
if(particleInst && particleInst->glow)
{
internalAddElement(inst);
return;
}
// Skip it if we don't have a glowing material.
BaseMatInstance *matInst = getMaterial( inst );
@ -171,7 +183,31 @@ void RenderGlowMgr::render( SceneRenderState *state )
for( U32 j=0; j<binSize; )
{
MeshRenderInst *ri = static_cast<MeshRenderInst*>(mElementList[j].inst);
RenderInst *_ri = mElementList[j].inst;
if(_ri->type == RenderPassManager::RIT_Particle)
{
// Find the particle render manager (if we don't have it)
if(mParticleRenderMgr == NULL)
{
RenderPassManager *rpm = state->getRenderPass();
for( U32 i = 0; i < rpm->getManagerCount(); i++ )
{
RenderBinManager *bin = rpm->getManager(i);
if( bin->getRenderInstType() == RenderParticleMgr::RIT_Particles )
{
mParticleRenderMgr = reinterpret_cast<RenderParticleMgr *>(bin);
break;
}
}
}
ParticleRenderInst *ri = static_cast<ParticleRenderInst*>(_ri);
mParticleRenderMgr->renderParticle(ri, state);
j++;
continue;
}
MeshRenderInst *ri = static_cast<MeshRenderInst*>(_ri);
setupSGData( ri, sgData );
@ -191,6 +227,9 @@ void RenderGlowMgr::render( SceneRenderState *state )
U32 a;
for( a=j; a<binSize; a++ )
{
if (mElementList[a].inst->type == RenderPassManager::RIT_Particle)
break;
MeshRenderInst *passRI = static_cast<MeshRenderInst*>(mElementList[a].inst);
if ( newPassNeeded( ri, passRI ) )

3
Engine/source/renderInstance/renderGlowMgr.h
View file

@ -26,6 +26,7 @@
#ifndef _TEXTARGETBIN_MGR_H_
#include "renderInstance/renderTexTargetBinManager.h"
#endif
#include <renderInstance/renderParticleMgr.h>
class PostEffect;
@ -82,7 +83,7 @@ protected:
};
SimObjectPtr<PostEffect> mGlowEffect;
RenderParticleMgr *mParticleRenderMgr;
};

121
Engine/source/renderInstance/renderParticleMgr.cpp
View file

@ -399,64 +399,7 @@ void RenderParticleMgr::renderInstance(ParticleRenderInst *ri, SceneRenderState
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mModelViewProjSC, *ri->modelViewProj );
}
// We want to turn everything into variation on a pre-multiplied alpha blend
F32 alphaFactor = 0.0f, alphaScale = 1.0f;
switch(ri->blendStyle)
{
// SrcAlpha, InvSrcAlpha
case ParticleRenderInst::BlendNormal:
alphaFactor = 1.0f;
break;
// SrcAlpha, One
case ParticleRenderInst::BlendAdditive:
alphaFactor = 1.0f;
alphaScale = 0.0f;
break;
// SrcColor, One
case ParticleRenderInst::BlendGreyscale:
alphaFactor = -1.0f;
alphaScale = 0.0f;
break;
}
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mAlphaFactorSC, alphaFactor );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mAlphaScaleSC, alphaScale );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mFSModelViewProjSC, *ri->modelViewProj );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mOneOverFarSC, 1.0f / state->getFarPlane() );
if ( mParticleShaderConsts.mOneOverSoftnessSC->isValid() )
{
F32 oneOverSoftness = 1.0f;
if ( ri->softnessDistance > 0.0f )
oneOverSoftness = 1.0f / ( ri->softnessDistance / state->getFarPlane() );
mParticleShaderConsts.mShaderConsts->set( mParticleShaderConsts.mOneOverSoftnessSC, oneOverSoftness );
}
GFX->setShader( mParticleShader );
GFX->setShaderConstBuffer( mParticleShaderConsts.mShaderConsts );
GFX->setTexture( 0, ri->diffuseTex );
// Set up the prepass texture.
if ( mParticleShaderConsts.mPrePassTargetParamsSC->isValid() )
{
GFXTextureObject *texObject = mPrepassTarget ? mPrepassTarget->getTexture(0) : NULL;
GFX->setTexture( 1, texObject );
Point4F rtParams( 0.0f, 0.0f, 1.0f, 1.0f );
if ( texObject )
ScreenSpace::RenderTargetParameters(texObject->getSize(), mPrepassTarget->getViewport(), rtParams);
mParticleShaderConsts.mShaderConsts->set( mParticleShaderConsts.mPrePassTargetParamsSC, rtParams );
}
GFX->setPrimitiveBuffer( *ri->primBuff );
GFX->setVertexBuffer( *ri->vertBuff );
GFX->drawIndexedPrimitive( GFXTriangleList, 0, 0, ri->count * 4, 0, ri->count * 2 );
renderParticle(ri, state);
}
else if(ri->systemState == PSS_AwaitingCompositeDraw)
{
@ -530,6 +473,68 @@ void RenderParticleMgr::renderInstance(ParticleRenderInst *ri, SceneRenderState
}
}
void RenderParticleMgr::renderParticle(ParticleRenderInst* ri, SceneRenderState* state)
{
// We want to turn everything into variation on a pre-multiplied alpha blend
F32 alphaFactor = 0.0f, alphaScale = 1.0f;
switch(ri->blendStyle)
{
// SrcAlpha, InvSrcAlpha
case ParticleRenderInst::BlendNormal:
alphaFactor = 1.0f;
break;
// SrcAlpha, One
case ParticleRenderInst::BlendAdditive:
alphaFactor = 1.0f;
alphaScale = 0.0f;
break;
// SrcColor, One
case ParticleRenderInst::BlendGreyscale:
alphaFactor = -1.0f;
alphaScale = 0.0f;
break;
}
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mAlphaFactorSC, alphaFactor );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mAlphaScaleSC, alphaScale );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mFSModelViewProjSC, *ri->modelViewProj );
mParticleShaderConsts.mShaderConsts->setSafe( mParticleShaderConsts.mOneOverFarSC, 1.0f / state->getFarPlane() );
if ( mParticleShaderConsts.mOneOverSoftnessSC->isValid() )
{
F32 oneOverSoftness = 1.0f;
if ( ri->softnessDistance > 0.0f )
oneOverSoftness = 1.0f / ( ri->softnessDistance / state->getFarPlane() );
mParticleShaderConsts.mShaderConsts->set( mParticleShaderConsts.mOneOverSoftnessSC, oneOverSoftness );
}
GFX->setShader( mParticleShader );
GFX->setShaderConstBuffer( mParticleShaderConsts.mShaderConsts );
GFX->setTexture( 0, ri->diffuseTex );
// Set up the prepass texture.
if ( mParticleShaderConsts.mPrePassTargetParamsSC->isValid() )
{
GFXTextureObject *texObject = mPrepassTarget ? mPrepassTarget->getTexture(0) : NULL;
GFX->setTexture( 1, texObject );
Point4F rtParams( 0.0f, 0.0f, 1.0f, 1.0f );
if ( texObject )
ScreenSpace::RenderTargetParameters(texObject->getSize(), mPrepassTarget->getViewport(), rtParams);
mParticleShaderConsts.mShaderConsts->set( mParticleShaderConsts.mPrePassTargetParamsSC, rtParams );
}
GFX->setPrimitiveBuffer( *ri->primBuff );
GFX->setVertexBuffer( *ri->vertBuff );
GFX->drawIndexedPrimitive( GFXTriangleList, 0, 0, ri->count * 4, 0, ri->count * 2 );
}
bool RenderParticleMgr::_initShader()
{
ShaderData *shaderData = NULL;

4
Engine/source/renderInstance/renderParticleMgr.h
View file

@ -77,7 +77,9 @@ protected:
// Not only a helper method, but a method for the RenderTranslucentMgr to
// request a particle system draw
void renderInstance(ParticleRenderInst *ri, SceneRenderState *state);
public:
void renderParticle(ParticleRenderInst *ri, SceneRenderState *state);
protected:
bool mOffscreenRenderEnabled;
/// The prepass render target used for the

2
Engine/source/renderInstance/renderPassManager.h
View file

@ -392,6 +392,8 @@ struct ParticleRenderInst : public RenderInst
/// The total particle count to render.
S32 count;
bool glow;
/// The combined model, camera, and projection transform.
const MatrixF *modelViewProj;

29
Templates/Empty/game/tools/particleEditor/ParticleEditor.ed.gui
View file

@ -442,7 +442,7 @@ $PE_guielement_ext_colorpicker = "18 18";
text = "";
};
};
new GuiControl(){ // Spacer ----------------------------
isContainer = "1"; HorizSizing = "width"; Position = "0 0"; Extent = "194 8";
new GuiBitmapCtrl(){
@ -543,6 +543,33 @@ $PE_guielement_ext_colorpicker = "18 18";
altCommand = "$ThisControl.getParent().updateFromChild($ThisControl); PE_EmitterEditor.updateAmountFields( true, $ThisControl.getValue() );";
};
};
new GuiControl(){ // Particle glow
isContainer = "1";
HorizSizing = "width";
VertSizing = "bottom";
Position = $PE_guielement_pos_single_container ;
Extent = $PE_guielement_ext_single_container ;
new GuiTextCtrl() {
Profile = "ToolsGuiTextProfile";
HorizSizing = "width";
VertSizing = "bottom";
position = $PE_guielement_pos_name;
Extent = $PE_guielement_ext_checkbox_name;
text = "Glow";
};
new GuiCheckBoxCtrl() {
internalName = "PEE_glow";
Profile = "ToolsGuiCheckBoxProfile";
HorizSizing = "left";
VertSizing = "bottom";
position = $PE_guielement_pos_checkbox;
Extent = $PE_guielement_ext_checkbox;
Command = "PE_EmitterEditor.updateEmitter( \"glow\", $ThisControl.getValue());";
text = "";
};
};
};// end stack
}; // end "basic" rollout
new GuiRolloutCtrl() {

2
Templates/Empty/game/tools/particleEditor/particleEmitterEditor.ed.cs
View file

@ -100,6 +100,8 @@ function PE_EmitterEditor::guiSync( %this )
PE_EmitterEditor-->PEE_reverseOrder.setValue( %data.reverseOrder );
PE_EmitterEditor-->PEE_useEmitterSizes.setValue( %data.useEmitterSizes );
PE_EmitterEditor-->PEE_useEmitterColors.setValue( %data.useEmitterColors );
PE_EmitterEditor-->PEE_glow.setValue( %data.glow );
// Sync up particle selectors.

29
Templates/Full/game/tools/particleEditor/ParticleEditor.ed.gui
View file

@ -442,7 +442,7 @@ $PE_guielement_ext_colorpicker = "18 18";
text = "";
};
};
new GuiControl(){ // Spacer ----------------------------
isContainer = "1"; HorizSizing = "width"; Position = "0 0"; Extent = "194 8";
new GuiBitmapCtrl(){
@ -543,6 +543,33 @@ $PE_guielement_ext_colorpicker = "18 18";
altCommand = "$ThisControl.getParent().updateFromChild($ThisControl); PE_EmitterEditor.updateAmountFields( true, $ThisControl.getValue() );";
};
};
new GuiControl(){ // Particle glow
isContainer = "1";
HorizSizing = "width";
VertSizing = "bottom";
Position = $PE_guielement_pos_single_container ;
Extent = $PE_guielement_ext_single_container ;
new GuiTextCtrl() {
Profile = "ToolsGuiTextProfile";
HorizSizing = "width";
VertSizing = "bottom";
position = $PE_guielement_pos_name;
Extent = $PE_guielement_ext_checkbox_name;
text = "Glow";
};
new GuiCheckBoxCtrl() {
internalName = "PEE_glow";
Profile = "ToolsGuiCheckBoxProfile";
HorizSizing = "left";
VertSizing = "bottom";
position = $PE_guielement_pos_checkbox;
Extent = $PE_guielement_ext_checkbox;
Command = "PE_EmitterEditor.updateEmitter( \"glow\", $ThisControl.getValue());";
text = "";
};
};
};// end stack
}; // end "basic" rollout
new GuiRolloutCtrl() {

2
Templates/Full/game/tools/particleEditor/particleEmitterEditor.ed.cs
View file

@ -100,6 +100,8 @@ function PE_EmitterEditor::guiSync( %this )
PE_EmitterEditor-->PEE_reverseOrder.setValue( %data.reverseOrder );
PE_EmitterEditor-->PEE_useEmitterSizes.setValue( %data.useEmitterSizes );
PE_EmitterEditor-->PEE_useEmitterColors.setValue( %data.useEmitterColors );
PE_EmitterEditor-->PEE_glow.setValue( %data.glow );
// Sync up particle selectors.