* tennessy@cs.ubc.ca
*/
-#include <X11/Intrinsic.h>
-
#ifdef STANDALONE
-#define PROGCLASS "AntInspect"
-#define HACK_INIT init_antinspect
-#define HACK_DRAW draw_antinspect
-#define HACK_RESHAPE reshape_antinspect
-#define HACK_HANDLE_EVENT antinspect_handle_event
-#define EVENT_MASK PointerMotionMask
-#define antinspect_opts xlockmore_opts
#define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n"
+# define refresh_antinspect 0
#include "xlockmore.h"
#else
#include "xlock.h"
#endif
-#include <GL/glu.h>
#include "gltrackball.h"
#define DEF_SHADOWS "True"
{"-/+shadows", "turn on/off ant shadows"}
};
-ModeSpecOpt antinspect_opts = {sizeof opts / sizeof opts[0],
+ENTRYPOINT ModeSpecOpt antinspect_opts = {sizeof opts / sizeof opts[0],
opts,
sizeof vars / sizeof vars[0],
vars,
GLXContext *glx_context;
trackball_state *trackball;
Bool button_down_p;
+ int linewidth;
+ float ant_step;
+
} antinspectstruct;
-static float front_shininess[] = {60.0};
-static float front_specular[] = {0.7, 0.7, 0.7, 1.0};
-static float ambient[] = {0.0, 0.0, 0.0, 1.0};
-static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+static const float front_shininess[] = {60.0};
+static const float front_specular[] = {0.7, 0.7, 0.7, 1.0};
+static const float ambient[] = {0.0, 0.0, 0.0, 1.0};
+static const float diffuse[] = {1.0, 1.0, 1.0, 1.0};
static float position0[] = {0.0, 3.0, 0.0, 1.0};
-static float position1[] = {-1.0, -3.0, 1.0, 0.0};
-static float lmodel_ambient[] = {0.5, 0.5, 0.5, 1.0};
-static float lmodel_twoside[] = {GL_TRUE};
-
-static float MaterialRed[] = {0.6, 0.0, 0.0, 1.0};
-static float MaterialOrange[] = {1.0, 0.69, 0.00, 1.0};
-static float MaterialGray[] = {0.2, 0.2, 0.2, 1.0};
-static float MaterialBlack[] = {0.1, 0.1, 0.1, 0.4};
-static float MaterialShadow[] = {0.3, 0.3, 0.3, 0.3};
-static float MaterialGray5[] = {0.5, 0.5, 0.5, 0.3};
-static float MaterialGray6[] = {0.6, 0.6, 0.6, 1.0};
+static const float position1[] = {-1.0, -3.0, 1.0, 0.0};
+static const float lmodel_ambient[] = {0.5, 0.5, 0.5, 1.0};
+static const float lmodel_twoside[] = {GL_TRUE};
+
+static const float MaterialRed[] = {0.6, 0.0, 0.0, 1.0};
+static const float MaterialOrange[] = {1.0, 0.69, 0.00, 1.0};
+static const float MaterialGray[] = {0.2, 0.2, 0.2, 1.0};
+static const float MaterialBlack[] = {0.1, 0.1, 0.1, 0.4};
+static const float MaterialShadow[] = {0.3, 0.3, 0.3, 0.3};
+static const float MaterialGray5[] = {0.5, 0.5, 0.5, 0.3};
+static const float MaterialGray6[] = {0.6, 0.6, 0.6, 1.0};
static antinspectstruct *antinspect = (antinspectstruct *) NULL;
enum {A, B, C, D};
/* create a matrix that will project the desired shadow */
-void shadowmatrix(GLfloat shadowMat[4][4],
- GLfloat groundplane[4],
- GLfloat lightpos[4]) {
+static void shadowmatrix(GLfloat shadowMat[4][4],
+ const GLfloat groundplane[4],
+ const GLfloat lightpos[4])
+{
GLfloat dot;
/* find dot product between light position vector and ground plane normal */
shadowMat[3][3] = dot - lightpos[W] * groundplane[W];
}
-GLfloat ground[4] = {0.0, 1.0, 0.0, -0.00001};
+static const GLfloat ground[4] = {0.0, 1.0, 0.0, -0.00001};
/* simple filled sphere */
-static Bool mySphere(float radius) {
+static Bool mySphere(float radius)
+{
GLUquadricObj *quadObj;
if((quadObj = gluNewQuadric()) == 0)
}
/* caged sphere */
-static Bool mySphere2(float radius) {
+static Bool mySphere2(float radius)
+{
GLUquadricObj *quadObj;
if((quadObj = gluNewQuadric()) == 0)
}
/* null cone */
-static Bool myCone2(float radius) {
+static Bool myCone2(float radius)
+{
return True;
}
-int linewidth = 1;
-static float ant_step = 0;
-
/* draw an ant */
-static Bool draw_antinspect_ant(antinspectstruct * mp, float *Material, int mono,
- Bool (*sphere)(float), Bool (*cone)(float)) {
- float cos1 = cos(ant_step);
- float cos2 = cos(ant_step + 2 * Pi / 3);
- float cos3 = cos(ant_step + 4 * Pi / 3);
- float sin1 = sin(ant_step);
- float sin2 = sin(ant_step + 2 * Pi / 3);
- float sin3 = sin(ant_step + 4 * Pi / 3);
+static Bool draw_antinspect_ant(antinspectstruct * mp,
+ const float *Material, int mono,
+ Bool (*sphere)(float), Bool (*cone)(float))
+{
+ float cos1 = cos(mp->ant_step);
+ float cos2 = cos(mp->ant_step + 2 * Pi / 3);
+ float cos3 = cos(mp->ant_step + 4 * Pi / 3);
+ float sin1 = sin(mp->ant_step);
+ float sin2 = sin(mp->ant_step + 2 * Pi / 3);
+ float sin3 = sin(mp->ant_step + 4 * Pi / 3);
if (mono)
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialGray5);
/* only works with 3 right now */
#define ANTCOUNT 3
-float MaterialBen[4] = {0.25, 0.30, 0.46, 1.0};
+static const float MaterialBen[4] = {0.25, 0.30, 0.46, 1.0};
-static float* antmaterial[ANTCOUNT] =
+static const float* antmaterial[ANTCOUNT] =
{MaterialRed, MaterialBen, MaterialOrange};
static double antposition[ANTCOUNT] = {0.0, 120.0, 240.0};
-static double antvelocity[ANTCOUNT] = {0.3, 0.3, 0.3};
-static double antsphere[ANTCOUNT] = {1.2, 1.2, 1.2};
+static const double antvelocity[ANTCOUNT] = {0.3, 0.3, 0.3};
+static const double antsphere[ANTCOUNT] = {1.2, 1.2, 1.2};
/* permutations */
-static double antorder[6][ANTCOUNT] = {{0, 1, 2},
+static const double antorder[6][ANTCOUNT] = {{0, 1, 2},
{0, 2, 1},
{2, 0, 1},
{2, 1, 0},
{1, 0, 2}};
/* draw the scene */
-static Bool draw_antinspect_strip(ModeInfo * mi) {
+static Bool draw_antinspect_strip(ModeInfo * mi)
+{
antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
int i, j;
int mono = MI_IS_MONO(mi);
/* draw sphere */
glRotatef(-20.0, 1.0, 0.0, 0.0);
- glRotatef(-ant_step*2, 0.0, 0.0, 1.0);
+ glRotatef(-mp->ant_step*2, 0.0, 0.0, 1.0);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialShadow);
mySphere2(1.2);
/* draw sphere */
glRotatef(-20.0, 1.0, 0.0, 0.0);
- glRotatef(-ant_step*2, 0.0, 0.0, 1.0);
+ glRotatef(-mp->ant_step*2, 0.0, 0.0, 1.0);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mono ? MaterialGray5 : antmaterial[i]);
mySphere2(1.2);
glEnable(GL_BLEND);
}
/* but the step size is the same! */
- ant_step += 0.2;
+ mp->ant_step += 0.2;
mp->ant_position += 1;
return True;
}
-void reshape_antinspect(ModeInfo * mi, int width, int height) {
+ENTRYPOINT void reshape_antinspect(ModeInfo * mi, int width, int height)
+{
double h = (GLfloat) height / (GLfloat) width;
antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
- linewidth = (width / 512) + 1;
+ mp->linewidth = (width / 512) + 1;
glViewport(0, 0, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
glMatrixMode(GL_PROJECTION);
gluPerspective(45, 1/h, 7.0, 20.0);
glMatrixMode(GL_MODELVIEW);
- glLineWidth(linewidth);
- glPointSize(linewidth);
+ glLineWidth(mp->linewidth);
+ glPointSize(mp->linewidth);
}
-static void pinit(void) {
+static void pinit(void)
+{
glClearDepth(1.0);
glClearColor(0.0, 0.0, 0.0, 1.0);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
}
-void release_antinspect(ModeInfo * mi) {
+ENTRYPOINT void release_antinspect(ModeInfo * mi)
+{
if(antinspect) {
free((void *) antinspect);
antinspect = (antinspectstruct *) NULL;
FreeAllGL(mi);
}
-Bool antinspect_handle_event (ModeInfo *mi, XEvent *event) {
+ENTRYPOINT Bool antinspect_handle_event (ModeInfo *mi, XEvent *event)
+{
antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
if(event->xany.type == ButtonPress && event->xbutton.button == Button1) {
return False;
}
-void init_antinspect(ModeInfo * mi) {
+ENTRYPOINT void init_antinspect(ModeInfo * mi)
+{
antinspectstruct *mp;
if(antinspect == NULL) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
-void draw_antinspect(ModeInfo * mi) {
+ENTRYPOINT void draw_antinspect(ModeInfo * mi)
+{
antinspectstruct *mp;
Display *display = MI_DISPLAY(mi);
the antbubble */
glTranslatef(0.0, 0.0, -10.0);
gltrackball_rotate(mp->trackball);
- glRotatef((15.0/2.0 + 15.0*sin(ant_step/100.0)), 1.0, 0.0, 0.0);
+ glRotatef((15.0/2.0 + 15.0*sin(mp->ant_step/100.0)), 1.0, 0.0, 0.0);
glRotatef(30.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
mp->step += 0.025;
}
-void change_antinspect(ModeInfo * mi) {
+#ifndef STANDALONE
+ENTRYPOINT void change_antinspect(ModeInfo * mi)
+{
antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
if (!mp->glx_context)
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(mp->glx_context));
pinit();
}
+#endif /* !STANDALONE */
+
+XSCREENSAVER_MODULE ("AntInspect", antinspect)
projects / xscreensaver / blobdiff