mini-led-cube/editor/display.c

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#include <stdio.h>
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#include <gtk/gtk.h>
#include <gdk/gdkgl.h>
#include <gtk/gtkgl.h>
#include <GL/glut.h>
#include <glade/glade.h>
#include "config.h"
#include "display.h"
#include "../firmware/globals.h"
extern void lc_setMode(int);
extern void lc_setFrame(unsigned long);
extern int lc_saveFrame(unsigned long frame, int delay, int index);
void drawLEDs(gint mode) {
gint x, y, z;
gint ledIndex = 0;
gint iLED = 0;
if (ledOrientation == TOP_ORIENTATION) {
glRotatef(90, 2, 0, 0);
}
for (z=10; z>=-10; z-=10) // Ebene
for (y=10; y>=-10; y-=10) // Zeile
for (x=10; x>=-10; x-=10) { // Spalte
ledIndex++;
if (mode == PICKING_MODE) {
glColor3ub(0, 0, ledIndex*8);
} else {
iLED = animation[currentFrame][ledIndex-1];
glMaterialfv(GL_FRONT, GL_AMBIENT, (iLED == 1 ? ledOnMaterial : ledOffMaterial));
glMaterialfv(GL_FRONT, GL_DIFFUSE, (iLED == 1 ? ledOnMaterial : ledOffMaterial));
}
glPushMatrix();
glTranslatef(x, y, z-0.8);
glutSolidSphere(1, 16, 16);
gluCylinder(quadric, 1, 1, 1.9, 16, 2);
glTranslatef(0, 0, 1.9);
gluCylinder(quadric, 1.25, 1.25, 0.35, 16, 2);
gluDisk(quadric, 0, 1.25, 16, 16);
glTranslatef(0, 0, 0.35);
gluDisk(quadric, 0, 1.25, 16, 16);
glPopMatrix();
}
}
void drawWires() {
gint x, y;
for (y=10; y>=-10; y-=10)
for (x=10; x>=-10; x-=10) {
glMaterialfv(GL_FRONT, GL_AMBIENT, ((x == 0 || y == 0) ? innerWireMaterial : wireMaterial));
// Front
glBegin(GL_LINES);
glVertex3f(x, y, -10);
glVertex3f(x, y, 10);
glEnd();
// Side
glBegin(GL_LINES);
glVertex3f(-10, x, y);
glVertex3f(10, x, y);
glEnd();
// Top
glBegin(GL_LINES);
glVertex3f(x, -10, y);
glVertex3f(x, 10, y);
glEnd();
}
}
void setScene() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(ZOOM_LEVEL, WINDOW_WIDTH/WINDOW_HEIGHT, 1.0, 350.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(lookX, eyeAngle, lookZ, 0, 0, 0, 0, 1, 0);
}
// OpenGL Display function
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void display(gboolean onlyForPicking) {
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glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_AMBIENT, backgroundColor);
setScene();
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if (onlyForPicking == TRUE) {
glDisable(GL_DITHER);
glDisable(GL_LIGHTING);
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drawLEDs(PICKING_MODE);
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glEnable(GL_LIGHTING);
glEnable(GL_DITHER);
} else {
drawLEDs(RENDER_MODE);
drawWires();
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}
}
void displayCurrentFrame() {
int i;
unsigned long frame = 0;
for (i=0; i<27; ++i) {
if (animation[currentFrame][i] == 1) frame |= (1 << i);
}
lc_setMode(MODE_ANIMATION_STOP);
lc_setFrame(frame);
}
void uploadAnimation() {
int i, j;
unsigned long frame = 0;
int delay = 0; // TODO: Implement the delay
int skip = 1; // Skip
// Maximum delay
for (i=0; i<5; ++i) delay |= (1 << i);
lc_setMode(MODE_ANIMATION_STOP);
for (i=0; i<32; ++i) {
frame = 0;
for (j=0; j<27; ++j) {
if (animation[i][j] == 1) frame |= (1 << j);
}
lc_saveFrame(frame, (i<animationLength ? delay : skip), i);
}
lc_setMode(MODE_ANIMATION_LOOP);
}