Rename a number of libraries and executables to avoid conflicts with KDE4

1 files changed, 273 insertions, 0 deletions

diff --git a/tdescreensaver/kdesavers/firesaverparticle.cpp b/tdescreensaver/kdesavers/firesaverparticle.cpp
new file mode 100644
index 00000000..421115a7
--- /dev/null
+++ b/tdescreensaver/kdesavers/firesaverparticle.cpp
@@ -0,0 +1,273 @@
+//     This file is part of KFireSaver3D.
+
+//     KFireSaver3D 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 2 of the License, or
+//     (at your option) any later version.
+
+//     KFireSaver3D 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 KFireSaver3D; if not, write to the Free Software
+//     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+//     Author: Enrico Ros, based on the great work of David Sansome (kfiresaver)
+//     Email:  asy@libero.it
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "firesaverparticle.h"
+#include "firesaver.h"
+
+//current color scheme :		red  orng grn  blue w  m  c
+static const GLfloat c_red_min[7] =   { 0.4, 0.9,   0,   0, 1, 0, 0 };
+static const GLfloat c_red_max[7] =   {   1,   1,   0,   0, 1, 1, 0 };
+static const GLfloat c_green_min[7] = {   0, 0.4, 0.4,   0, 1, 0, 0 };
+static const GLfloat c_green_max[7] = {   0, 0.5,   1, 0.5, 1, 0, 1 };
+static const GLfloat c_blue_min[7] =  {   0, 0.1,   0, 0.5, 1, 0, 0 };
+static const GLfloat c_blue_max[7] =  {   0, 0.2,   0,   1, 1, 1, 1 };
+
+
+//default initialization (good for Leader / Fire)
+Particle :: Particle( ParticleType pT )
+    : particleType( pT ), explosionsDepth( 0 ), texture( 0 ),
+    xpos( 0.0 ), ypos( 0.0 ), zpos( -9.9 ),
+    xspeed( 0.0 ), yspeed( 0.0 ), zspeed( 0.0 ), zacc( -9.807 ),
+    life( 0.0 ), startLife( 0.0 ),
+    pixelSize( 5.0 ), useLife( true ), flicker( 0 )
+{
+	colour[0] = 0;
+	colour[1] = 0;
+	colour[2] = 0;
+	colour[3] = 1;
+}
+
+
+void Particle :: initializeValues (
+	int cs,
+	Particle* debrisParent,
+	GLfloat powermin, GLfloat powermax,
+	bool flickers,
+	GLfloat *displace )
+//note:	this function is called when a particle needs a set of default parameters.
+//	these depends on the ParticleType.
+{
+	switch (particleType)
+	{
+//	-- FireParticle (params: [cs])
+//		born in a rectangle centered in { 0, 0, -9.9 }
+//		speed 3-6 [m/s] blue/cyan colored
+//		this is only done at the beginning or when a particle dies
+	    case FireParticle:
+		xpos = DRAND * FIELDWIDTH - FIELDW_2;
+		ypos = DRAND - 2.0;
+
+		xspeed = DRAND * 4.0 - 2.0;
+		yspeed = DRAND * 2.0;
+		zspeed = DRAND * 3.0 + 3.0;
+
+		useLife = false;
+		pixelSize = 2.0 + DRAND * 2.0;
+		break;
+
+//	-- FireWorkLeaderParticle (params: none)
+//		they start in a rectangle at the same height but
+//		with different power and the same 'orange' colour
+	    case FireWorkLeaderParticle:
+		xpos = DRAND * 14.0 - 7.0;
+		ypos = DRAND * 2.0 - 1.0;
+
+		xspeed = DRAND * 8.0 - 4.0 - (xpos / 2.0)*DRAND;
+		yspeed = DRAND * 8.0 - 4.0;
+		zspeed = DRAND * 6.5 + 18.0;
+
+		colour[0] = 0.6;
+		colour[1] = DRAND * 0.4;
+		colour[2] = 0.0;
+
+		useLife = false;
+		break;
+
+//	-- LogoParticle (params: none)
+//		they start in the middle of the screen.
+//		little g-force, constant life, weavy-y
+	    case LogoParticle:
+		yspeed = 3*(DRAND - DRAND);
+		zacc = -9.807f / 5.0f;
+
+		startLife = 0.7f;
+		life = 1.7f;
+		break;
+
+//	-- StarParticle (params: none)
+//		spherically distributed. xpos and ypos are the
+//		transformed screen positions of the star.
+	    case StarParticle:
+		colour[0] = DRAND * 0.2 + 0.5;
+		colour[1] = DRAND * 0.2 + 0.5;
+		colour[2] = DRAND * 0.2 + 0.5;
+
+		{bool accepted = false;
+		while (!accepted) {
+			float module = 30,
+			      theta = DRAND * M_PI * 2.0,
+			      u = DRAND * 2.0 - 1.0,
+			      root = sqrt( 1 - u*u );
+			xpos = module * root * cos(theta);
+			ypos = fabs(module * root * sin(theta)) - 10.0;
+			zpos = fabs(module * u);
+
+			float sfactor = 256.0 / (256.0 + PERSP_MAG_FACTOR*ypos);
+			xpos *= sfactor;
+			ypos = sfactor * zpos - FIELDW_2;
+
+			pixelSize = sfactor * (2.0 + 3.0*DRAND);
+
+			accepted = xpos > -FIELDW_2 && xpos < FIELDW_2 &&
+				   ypos > -FIELDW_2 && ypos < FIELDW_2;
+		}}
+		break;
+
+//	-- FireWorkDebrisParticle (params: cs, parent, [powerm], [powerM], [flickers], [displace])
+//		parameters are randomized for a 'spherical' explosion.
+//		power{min,max}, flickers and displace applies only for that
+//		kind of ParticleType.
+	    case FireWorkDebrisParticle:
+
+		//same origin of the dead leader
+		xpos = debrisParent->xpos;
+		ypos = debrisParent->ypos;
+		zpos = debrisParent->zpos;
+
+		//true spherical randomization
+		float module = powermin + DRAND * (powermax - powermin),
+		      theta = DRAND * M_PI * 2.0,
+		      u = DRAND * 2.0 - 1.0,
+		      root = sqrt( 1 - u*u );
+		xspeed = debrisParent->xspeed + module * root * cos(theta) * (1.0 + DRAND/3.0);
+		yspeed = debrisParent->yspeed + module * root * sin(theta) * (1.0 + DRAND/3.0);
+		zspeed = module * u * (1.0 + DRAND/3.0);	//was 0.9 + DRAND/3
+
+		//if set add a displace to speed
+		if ( displace ) {
+			xspeed += displace[0];
+			yspeed += displace[1];
+			zspeed += displace[2];
+		}
+
+		//randomize the color choosing on current palette
+		colour[0] = c_red_min[cs] + (c_red_max[cs]-c_red_min[cs]) * DRAND;
+		colour[1] = c_green_min[cs] + (c_green_max[cs]-c_green_min[cs]) * DRAND;
+		colour[2] = c_blue_min[cs] + (c_blue_max[cs]-c_blue_min[cs]) * DRAND;
+
+		pixelSize = DRAND * 2.0 + 2.0;
+		zacc = -9.807 / (6.0 - pixelSize);
+
+		life = startLife = pixelSize / 2.0;
+
+		//if flickers is set the current visible delay is randomized
+		if ( flickers )
+			flicker = (int) ((DRAND * 2.0 - 1.0) * (float)FLICKER_FRAMES_DELAY);
+		break;
+	}
+}
+
+
+void Particle :: updateParameters( float dT )
+//note:	this procedure uses a reduced set of parameters
+//	x and y axis acceleration is no more used
+//	the only external iterations are:
+//	- the g force
+//	- a sort of air friction that limits speed in x,y and
+//	  acceleration on z
+{
+	xpos += xspeed * dT;
+	ypos += yspeed * dT;
+	zpos += (zspeed + zacc*dT/2) * dT;
+
+	zspeed += zacc * dT;
+
+	xspeed *= 0.998;
+	yspeed *= 0.998;
+	zspeed *= 0.999;
+
+	if (useLife)
+	    life -= dT;
+}
+
+
+// BEGIN TurningParticle class 
+
+TurningParticle :: TurningParticle( ParticleType pT )
+	: Particle( pT ) {}
+
+void TurningParticle :: initializeValues (
+	int cs,
+	Particle* leader,
+	GLfloat powermin,
+	GLfloat powermax,
+	bool /*flickers*/,
+	GLfloat * /*displace*/ )
+{
+	//same origin of the parent
+	xpos = leader->xpos;
+	ypos = leader->ypos;
+	zpos = leader->zpos;
+
+	//velocity : true spherical randomization
+	float   module = powermin + (powermax - powermin) * DRAND * 0.6,
+		theta = DRAND * M_PI * 2.0,
+		u = DRAND * 2.0 - 1.0,
+		root = sqrt( 1 - u*u );
+	xspeed = -module * root * cos(theta);
+	yspeed = -module * root * sin(theta);
+	zspeed = module * u;
+
+	//spin axis : in quadrature with velocity
+	module = (1 + DRAND) / 40;
+	u = DRAND * 2.0 - 1.0;
+	root = sqrt( 1 - u*u );
+	// axis to spin around
+	wx = module * root * cos(theta + M_PI_2);
+	wy = module * root * sin(theta + M_PI_2);
+	wz = module * u;
+
+	//randomize the color choosing on current palette
+	colour[0] = c_red_min[cs] + (c_red_max[cs]-c_red_min[cs]) * DRAND;
+	colour[1] = c_green_min[cs] + (c_green_max[cs]-c_green_min[cs]) * DRAND;
+	colour[2] = c_blue_min[cs] + (c_blue_max[cs]-c_blue_min[cs]) * DRAND;
+
+        pixelSize = DRAND * 2.0 + 2.0;
+	zacc = -9.807 / 5.0;
+	life = startLife = pixelSize / 2.0;
+}
+
+
+void TurningParticle :: updateParameters ( float dT )
+{
+	//update position
+	xpos += xspeed * dT;
+	ypos += yspeed * dT;
+	zpos += zspeed * dT;
+
+	//tan vector = velocity vector (vect producted by) spin axis
+	float vx = yspeed * wz - zspeed * wy,
+	      vy = zspeed * wx - xspeed * wz,
+	      vz = xspeed * wy - yspeed * wx;
+
+	//update velocity adding a tangential component (aka infinitesimally
+	//rotating the vector)
+	xspeed += vx;
+	yspeed += vy;
+	zspeed += vz + zacc * dT;
+
+	if (useLife)
+		life -= dT;
+}
+
+//END TurningParticle