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Spark, Flare and LFlare effects. Pretty bad (need to make use of instancing) but works for now

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This commit is contained in:
Simon Robertshaw 2011-10-23 17:22:14 +01:00
parent 1c7b9d9949
commit 2d25d944ad
1 changed files with 175 additions and 3 deletions
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176
src/graphics.c
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@ -1463,6 +1463,8 @@ GLuint glowV[(YRES*XRES)*2];
GLfloat glowC[(YRES*XRES)*4];
GLuint flatV[(YRES*XRES)*2];
GLfloat flatC[(YRES*XRES)*4];
GLfloat lineV[(((YRES*XRES)*2)*6)];
GLfloat lineC[(((YRES*XRES)*2)*6)];
#endif
void render_parts(pixel *vid)
{
@ -1476,7 +1478,7 @@ void render_parts(pixel *vid)
int cblurV = 0, cblurC = 0, cblur = 0;
int cglowV = 0, cglowC = 0, cglow = 0;
int cflatV = 0, cflatC = 0, cflat = 0;
int clineV = 0, clineC = 0, cline = 0;
//Set coord offset
glScalef(1,-1,1);
glTranslatef(0, -YRES/*-(YRES+MENUSIZE)*/, 0);
@ -1806,6 +1808,56 @@ void render_parts(pixel *vid)
if(pixel_mode & PMODE_SPARK)
{
flicker = rand()%20;
#ifdef OGLR
//Oh god, this is awful
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx-5;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/30;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx+5;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny-5;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/30;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny+5;
cline++;
#else
gradv = 4*parts[i].life + flicker;
for (x = 0; gradv>0.5; x++) {
addpixel(vid, nx+x, ny, colr, colg, colb, gradv);
@ -1815,10 +1867,61 @@ void render_parts(pixel *vid)
addpixel(vid, nx, ny-x, colr, colg, colb, gradv);
gradv = gradv/1.5f;
}
#endif
}
if(pixel_mode & PMODE_FLARE)
{
flicker = rand()%20;
#ifdef OGLR
//Oh god, this is awful
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx-10;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/40;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx+10;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny-10;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/30;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny+10;
cline++;
#else
gradv = flicker + fabs(parts[i].vx)*17 + fabs(parts[i].vy)*17;
blendpixel(vid, nx, ny, colr, colg, colb, (gradv*4)>255?255:(gradv*4) );
blendpixel(vid, nx+1, ny, colr, colg, colb, (gradv*2)>255?255:(gradv*2) );
@ -1837,10 +1940,61 @@ void render_parts(pixel *vid)
addpixel(vid, nx, ny-x, colr, colg, colb, gradv);
gradv = gradv/1.2f;
}
#endif
}
if(pixel_mode & PMODE_LFLARE)
{
flicker = rand()%20;
#ifdef OGLR
//Oh god, this is awful
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx-70;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/30;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx+70;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny-70;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 1.0f - ((float)flicker)/50;
lineV[clineV++] = fnx;
lineV[clineV++] = fny;
cline++;
lineC[clineC++] = ((float)colr)/255.0f;
lineC[clineC++] = ((float)colg)/255.0f;
lineC[clineC++] = ((float)colb)/255.0f;
lineC[clineC++] = 0.0f;
lineV[clineV++] = fnx;
lineV[clineV++] = fny+70;
cline++;
#else
gradv = flicker + fabs(parts[i].vx)*17 + fabs(parts[i].vy)*17;
blendpixel(vid, nx, ny, colr, colg, colb, (gradv*4)>255?255:(gradv*4) );
blendpixel(vid, nx+1, ny, colr, colg, colb, (gradv*2)>255?255:(gradv*2) );
@ -1859,6 +2013,7 @@ void render_parts(pixel *vid)
addpixel(vid, nx, ny-x, colr, colg, colb, gradv);
gradv = gradv/1.01f;
}
#endif
}
//Fire effects
if(firea && (pixel_mode & FIRE_BLEND))
@ -1948,7 +2103,8 @@ void render_parts(pixel *vid)
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_VERTEX_ARRAY);
if(cflat)
if(cflat)
{
// -- BEGIN FLAT -- //
//Set point size (size of fire texture)
@ -2032,6 +2188,22 @@ void render_parts(pixel *vid)
// -- END BLOB -- //
}
if(cline)
{
// -- BEGIN LINES -- //
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable( GL_LINE_SMOOTH );
glColorPointer(4, GL_FLOAT, 0, &lineC[0]);
glVertexPointer(2, GL_FLOAT, 0, &lineV[0]);
glDrawArrays(GL_LINE_STRIP, 0, cline);
//Clear some stuff we set
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_LINE_SMOOTH);
// -- END LINES -- //
}
if(cfire || csmoke)
{
// -- BEGIN FIRE -- //