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Enable radial blur post processing effect for spirit form.

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Code for this existed, but it was wrong and never enabled.
This replaces most of the code, and makes it work on widescreen.
This commit is contained in:
fgenesis 2011-10-31 18:28:57 +01:00
parent 0ff37defc1
commit 7039f1d2cc
5 changed files with 87 additions and 171 deletions
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12
Aquaria/Continuity.cpp
View file

@ -1981,14 +1981,16 @@ void Continuity::applyWorldEffects(WorldType type, bool transition, bool affectM
if (!transition) time = 0;
if (type == WT_SPIRIT)
{
/*
core->postProcessingFx.format = GL_LUMINANCE;
if(dsq->user.video.blur)
{
core->postProcessingFx.blendType = 1;
core->postProcessingFx.intensity = 0.2;
core->postProcessingFx.intensity = 0.2f;
core->postProcessingFx.layer = LR_AFTER_EFFECTS;//LR_AFTER_EFFECTS;
core->postProcessingFx.renderLayer = LR_AFTER_EFFECTS;
core->postProcessingFx.enable(FXT_RADIALBLUR);
*/
}
dsq->game->avatar->canWarp = false;
/*
@ -2003,7 +2005,7 @@ void Continuity::applyWorldEffects(WorldType type, bool transition, bool affectM
{
dsq->game->avatar->canWarp = true;
//core->postProcessingFx.disable(FXT_RADIALBLUR);
core->postProcessingFx.disable(FXT_RADIALBLUR);
//worldType = WT_SPIRIT;
/*
if (affectMusic)

4
Aquaria/DSQ.cpp
View file

@ -1241,6 +1241,10 @@ This build is not yet final, and as such there are a couple things lacking. They
dsq->darkLayer.toggle(0);
debugLog("done");
debugLog("post FX init");
dsq->postProcessingFx.init();
debugLog("done");
#ifdef AQUARIA_BUILD_CONSOLE
debugLog("Creating console");

18
BBGE/Core.cpp
View file

@ -3947,6 +3947,15 @@ void Core::render(int startLayer, int endLayer, bool useFrameBufferIfAvail)
afterEffectManager->render();
}
if (i == postProcessingFx.layer)
{
postProcessingFx.preRender();
}
if (i == postProcessingFx.renderLayer)
{
postProcessingFx.render();
}
if (darkLayer.isUsed() )
{
/*
@ -3966,15 +3975,6 @@ void Core::render(int startLayer, int endLayer, bool useFrameBufferIfAvail)
}
}
if (i == postProcessingFx.layer)
{
postProcessingFx.preRender();
}
if (i == postProcessingFx.renderLayer)
{
postProcessingFx.render();
}
RenderObjectLayer *r = &renderObjectLayers[i];
RenderObject::rlayer = r;
if (r->visible)

192
BBGE/Effects.cpp
View file

@ -23,113 +23,28 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "Effects.h"
#include "Core.h"
int quality = 64;
GLuint blurTexture;
GLuint emptyTexture() // Create An Empty Texture
{
GLuint txtnumber=0; // Texture ID
unsigned int* data; // Stored Data
// Create Storage Space For Texture Data (128x128x4)
data = (unsigned int*)new GLuint[((quality * quality)* 4 * sizeof(unsigned int))];
memset(data, 0, ((quality * quality)* 4 * sizeof(unsigned int))); // Clear Storage Memory
#ifdef BBGE_BUILD_OPENGL
glGenTextures(1, &txtnumber); // Create 1 Texture
glBindTexture(GL_TEXTURE_2D, txtnumber); // Bind The Texture
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, 4, quality, quality, 0,
GL_RGBA, GL_UNSIGNED_BYTE, data); // Build Texture Using Information In data
#endif
delete [] data; // Release data
return txtnumber; // Return The Texture ID
}
PostProcessingFX::PostProcessingFX()
{
renderLayerStart = 1;
renderLayerEnd = 19;
#ifdef BBGE_BUILD_OPENGL
format = GL_LUMINANCE;
#endif
//GL_INTENSITY
//GL_RGB
//GL_LUMINANCE
blendType = 0;
layer = renderLayer = 0;
intensity = 0.1;
blurTimes = 12;
radialBlurColor = Vector(1,1,1);
for (int i = 0; i < FXT_MAX; i++)
enabled[i] = false;
}
void PostProcessingFX::init(FXTypes type)
void PostProcessingFX::init()
{
enabled[(int)type] = true;
if (type == FXT_RADIALBLUR)
blurTexture = emptyTexture();
}
void PostProcessingFX::update(float dt)
{
}
void PostProcessingFX::setRenderLayerRange(int start, int end)
{
renderLayerStart = start;
renderLayerEnd = end;
}
void PostProcessingFX::preRender()
{
for (int i = 0; i < FXT_MAX; i++)
{
if (enabled[i])
{
FXTypes type = (FXTypes)i;
switch(type)
{
case FXT_RADIALBLUR:
if (core->frameBuffer.isInited())
{
}
else
{
#ifdef BBGE_BUILD_OPENGL
glViewport(0,0,quality,quality); // Set Our Viewport (Match Texture Size;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And Depth Buffer
core->render(renderLayerStart, renderLayerEnd);
glBindTexture(GL_TEXTURE_2D,blurTexture);
glCopyTexImage2D(GL_TEXTURE_2D, 0, format, 0, 0, quality, quality, 0);
glViewport(0, 0, core->width, core->height);
/*
glBindTexture(GL_TEXTURE_2D,blurTexture); // Bind To The Blur Texture
// Copy Our ViewPort To The Blur Texture (From 0,0 To 128,128... No Border)
glCopyTexImage2D(GL_TEXTURE_2D, 0, format, 0, 0, quality, quality, 0);
*/
//GL_INTENSITY
//GL_RGB
//GL_LUMINANCE
//glClearColor(0.0f, 0.0f, 0.5f, 0.5); // Set The Clear Color To Medium Blue
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And Depth Buffer
#endif
}
break;
}
}
}
}
void PostProcessingFX::toggle(FXTypes type)
@ -154,6 +69,9 @@ void PostProcessingFX::disable(FXTypes type)
void PostProcessingFX::render()
{
if(!core->frameBuffer.isEnabled())
return;
for (int i = 0; i < FXT_MAX; i++)
{
if (enabled[i])
@ -164,79 +82,73 @@ void PostProcessingFX::render()
switch(type)
{
case FXT_RADIALBLUR:
/*
float percentX = (float)core->width/(float)quality;
float percentY = (float)core->height/(float)quality;
*/
/*
float percentX = (float)quality/(float)core->width;
float percentY = (float)quality/(float)core->height;
*/
float percentX = 1.0;
float percentY = 1.0;
/*
std::ostringstream os;
os << "p(" << percentX << ", " << percentY << ")";
debugLog(os.str());
*/
float windowW = core->getWindowWidth();
float windowH = core->getWindowHeight();
float textureW = core->frameBuffer.getWidth();
float textureH = core->frameBuffer.getHeight();
glLoadIdentity();
int times = 12;
float inc = 0.01;
float spost = 0.0f; // Starting Texture Coordinate Offset
float alphainc = 0.9f / times; // Fade Speed For Alpha Blending
//float alpha = 0.1f; // Starting Alpha Value
float alpha = intensity;
glEnable(GL_TEXTURE_2D); // Enable 2D Texture Mapping
if (blendType == 1)
glBlendFunc(GL_SRC_ALPHA,GL_ONE); // Set Blending Mode
else
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); // Set Blending Mode
glEnable(GL_BLEND); // Enable Blending
if (core->frameBuffer.isInited())
float offX = -(core->getVirtualOffX() * windowW / core->getVirtualWidth());
float offY = -(core->getVirtualOffY() * windowH / core->getVirtualHeight());
float width2 = windowW / 2;
float height2 = windowH / 2;
float pw = float(windowW)/float(textureW);
float ph = float(windowH)/float(textureH);
glLoadIdentity();
glTranslatef(width2 + offX, height2 + offY, 0);
glEnable(GL_TEXTURE_2D);
core->frameBuffer.bindTexture();
glEnable(GL_BLEND);
if (blendType == 1)
glBlendFunc(GL_SRC_ALPHA,GL_ONE);
else
glBindTexture(GL_TEXTURE_2D,blurTexture); // Bind To The Blur Texture
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
float percentX = pw, percentY = ph;
alphainc = alpha / times; // alphainc=0.2f / Times To Render Blur
float inc = 0.01;
float spost = 0.0f; // Starting Texture Coordinate Offset
float alphadec = alpha / blurTimes;
glBegin(GL_QUADS); // Begin Drawing Quads
for (int num = 0;num < times;num++) // Number Of Times To Render Blur
for (int num = 0;num < blurTimes; num++) // Number Of Times To Render Blur
{
glColor4f(radialBlurColor.x, radialBlurColor.y, radialBlurColor.z, alpha); // Set The Alpha Value (Starts At 0.2)
glTexCoord2f(0+spost,percentY-spost); // Texture Coordinate ( 0, 1 )
glVertex2f(0,0); // First Vertex ( 0, 0 )
glTexCoord2f(0+spost,0+spost); // Texture Coordinate ( 0, 0 )
glVertex2f(0,core->height); // Second Vertex ( 0, 480 )
glTexCoord2d(spost, spost);
glVertex3f(-width2, height2, 0.0);
glTexCoord2f(percentX-spost,0+spost); // Texture Coordinate ( 1, 0 )
glVertex2f(core->width,core->height); // Third Vertex ( 640, 480 )
glTexCoord2d(percentX-spost, spost);
glVertex3f( width2, height2, 0.0);
glTexCoord2f(percentX-spost,percentY-spost); // Texture Coordinate ( 1, 1 )
glVertex2f(core->width,0); // Fourth Vertex ( 640, 0 )
glTexCoord2d(percentX-spost, percentY-spost);
glVertex3f( width2, -height2, 0.0);
glTexCoord2d(spost, percentY-spost);
glVertex3f(-width2, -height2, 0.0);
spost += inc; // Gradually Increase spost (Zooming Closer To Texture Center)
alpha = alpha - alphainc; // Gradually Decrease alpha (Gradually Fading Image Out)
alpha -= alphadec; // Gradually Decrease alpha (Gradually Fading Image Out)
}
glEnd();
glDisable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D,0);
glColor4f(1,1,1,1);
//glDisable(GL_TEXTURE_2D);
// Done Drawing Quads
/*
glDisable(GL_TEXTURE_2D); // Disable 2D Texture Mapping
glDisable(GL_BLEND); // Disable Blending
glBindTexture(GL_TEXTURE_2D,0); // Unbind The Blur Texture
*/
glColor4f(1,1,1,1);
glBindTexture(GL_TEXTURE_2D, 0);
RenderObject::lastTextureApplied = 0;
break;
}
glPopMatrix();

12
BBGE/Effects.h
View file

@ -34,7 +34,7 @@ class PostProcessingFX
{
public:
PostProcessingFX();
void init(FXTypes type);
void init();
void update(float dt);
void preRender();
void render();
@ -42,20 +42,18 @@ public:
void enable(FXTypes type);
void disable(FXTypes type);
bool isEnabled(FXTypes type);
void setRenderLayerRange(int start, int end);
// blur
Vector radialBlurColor;
int blurTimes;
/// misc
Vector radialBlurColor;
#ifdef BBGE_BUILD_OPENGL
GLenum format;
#endif
int renderLayer;
int layer;
float intensity;
int blendType;
protected:
int renderLayerStart, renderLayerEnd;
bool enabled[FXT_MAX];
};