325 lines
7.3 KiB
C
325 lines
7.3 KiB
C
/**
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* \defgroup unixsimulator Simulation of the Borg API for UNIX like platforms.
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*/
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/*@{*/
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/**
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* @file main.c
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* @brief Simulator for Unix like platforms.
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* @author Martin Ongsiek, Peter Fuhrmann, Christian Kroll
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*/
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#ifdef OSX_
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#include <GLUT/glut.h>
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#else
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#include <GL/glut.h>
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#endif
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#include <pthread.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <setjmp.h>
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#include "../config.h"
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#include "../display_loop.h"
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#include "trackball.h"
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/** Number of bytes per row. */
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#define LINEBYTES ((NUM_COLS + 1) / 8)
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/** Fake port for simulating joystick input. */
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volatile unsigned char fakeport;
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/** Flag which indicates if wait should jump to the menu if fire is pressed. */
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volatile unsigned char waitForFire;
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/** The simulated frame buffer of the borg. */
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volatile unsigned char pixmap[NUMPLANE][NUM_ROWS][LINEBYTES];
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/** Jump buffer which leads directly the menu. */
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extern jmp_buf newmode_jmpbuf;
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/** Width of the window. */
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int WindWidth;
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/** Height of the window. */
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int WindHeight;
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/** Rotation of the x-axis of the scene. */
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float view_rotx = 0;
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/** Rotation of the y-axis of the scene. */
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float view_roty = 0;
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/** Rotation of the z-axis of the scene. */
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float view_rotz = 0;
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/** GLUT window handle. */
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int win;
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/**
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* Simple wait function.
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* @param ms The requested delay in milliseconds.
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*/
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void wait(unsigned int ms) {
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if (waitForFire) {
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if (fakeport & 0x01) {
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longjmp(newmode_jmpbuf, 43);
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}
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}
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usleep(ms * 1000);
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}
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/**
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* Draw a LED in the given color (which is a list).
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* @param color List which contains a sphere.
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* @param pos_x x-coordinate
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* @param pos_y y-coordinate
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* @param pos_z z-coordinate
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*/
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void drawLED(int color, float pos_x, float pos_y, float pos_z) {
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glPushMatrix();
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glTranslatef(pos_x, pos_y, pos_z);
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glCallList(color);
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glPopMatrix();
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}
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/**
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* Draws the LED matrix.
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*/
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void display(void) {
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int x, y, z, level, color;
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tbReshape(WindWidth, WindHeight);
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glClear(GL_COLOR_BUFFER_BIT);
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glPushMatrix();
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glTranslatef(NUM_COLS * 2., 0., NUM_ROWS * 2.);
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tbMatrix();
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glRotatef(view_rotx, 1.0, 0.0, 0.0);
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glRotatef(view_roty, 0.0, 1.0, 0.0);
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glRotatef(view_rotz, 0.0, 0.0, 1.0);
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glTranslatef(-NUM_COLS * 2, 0., -NUM_ROWS * 2.);
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for (x = 0; x < 1; x++) {
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for (y = 0; y < NUM_COLS; y++) {
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for (z = 0; z < NUM_ROWS; z++) {
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color = 0;
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for (level = 0; level < NUMPLANE; level++) {
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if (pixmap[level][z % NUM_ROWS][y / 8] & (1 << y % 8)) {
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color = level + 1;
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}
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}
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drawLED(color, (float) y * 4.0, (float) x * 4.0,
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(float) (NUM_ROWS - 1 - z) * 4.0);
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}
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}
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}
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glPopMatrix();
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glutSwapBuffers();
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usleep(20000);
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}
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/**
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* Handler for processing key presses.
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* @param key The pressed key encoded in ASCII.
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* @param x X-position of the mouse pointer.
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* @param y Y-position of the mouse pointer.
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*/
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void keyboard(unsigned char key, int x, int y) {
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switch (key) {
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case 'q':
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printf("Quit\n");
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glutDestroyWindow(win);
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exit(0);
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break;
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case ' ':
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fakeport |= 0x01;
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break;
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case 'a':
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fakeport |= 0x02;
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break;
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case 'd':
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fakeport |= 0x04;
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break;
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case 's':
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fakeport |= 0x08;
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break;
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case 'w':
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fakeport |= 0x10;
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break;
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}
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}
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/**
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* Handler for processing key releases.
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* @param key The released key encoded in ASCII.
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* @param x X-position of the mouse pointer.
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* @param y Y-position of the mouse pointer.
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*/
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void keyboardup(unsigned char key, int x, int y) {
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switch (key) {
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case ' ':
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fakeport &= ~0x01;
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break;
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case 'a':
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fakeport &= ~0x02;
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break;
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case 'd':
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fakeport &= ~0x04;
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break;
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case 's':
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fakeport &= ~0x08;
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break;
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case 'w':
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fakeport &= ~0x10;
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break;
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}
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}
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/**
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* Relays mouse position and button state to the trackball implementation.
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* @param button Currently monitored button.
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* @param state State of that button.
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* @param x X-position of the mouse pointer.
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* @param y Y-position of the mouse pointer.
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*/
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void mouse(int button, int state, int x, int y) {
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tbMouse(button, state, x, y);
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}
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/**
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* Relays motion request to the trackball implementation.
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* @param x X-position for the motion direction.
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* @param y Y-position for the motion direction.
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*/
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void motion(int x, int y) {
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tbMotion(x, y);
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}
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/**
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* Updating the window size.
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* @param width Width of the window.
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* @param height Height of the window.
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*/
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void reshape(int width, int height) {
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tbReshape(width, height);
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0, (float) WindWidth / (float) WindWidth, 5., 1000.);
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gluLookAt(NUM_ROWS * 2., NUM_ROWS * 2. + 50., NUM_COLS * 2., NUM_ROWS * 2.,
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NUM_ROWS * 2., NUM_COLS * 2., 0.0, 0.0, 1.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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WindWidth = width;
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WindHeight = height;
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}
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/**
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* Handler for special keys (the arrow keys in particular) for adjusting the
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* view angle of the scene.
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* @param k The pressed special key using GLUT's nomenclature.
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* @param x X-position of the mouse pointer.
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* @param y Y-position of the mouse pointer.
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*/
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static void special(int k, int x, int y) {
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switch (k) {
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case GLUT_KEY_UP:
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view_rotx += 5.0;
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break;
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case GLUT_KEY_DOWN:
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view_rotx -= 5.0;
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break;
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case GLUT_KEY_LEFT:
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view_rotz += 5.0;
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break;
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case GLUT_KEY_RIGHT:
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view_rotz -= 5.0;
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break;
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default:
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return;
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}
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glutPostRedisplay();
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}
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/**
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* Entry point for starting the display loop thread.
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* @param unused Not used. Only here to satisfy signature constraints.
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*/
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void *display_loop_run(void * unused) {
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display_loop();
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return 0;
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}
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/**
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* Main function for the simulator.
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* @param argc The argument count.
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* @param argv Command line arguments.
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* @return Exit codem, always zero.
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*/
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int main(int argc, char **argv) {
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WindHeight = 700;
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WindWidth = 700;
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glutInit(&argc, argv);
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glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
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glutInitWindowSize(WindHeight, WindWidth);
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win = glutCreateWindow("16x16 Borg Simulator");
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// callback
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glutDisplayFunc(display);
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glutIdleFunc(display);
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glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF);
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glutKeyboardFunc(keyboard);
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glutKeyboardUpFunc(keyboardup);
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glutSpecialFunc(special);
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glutMouseFunc(mouse);
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glutMotionFunc(motion);
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// clearcolor & main loop
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glClearColor(0, 0, 0, 1.0);
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gluPerspective(60.0, (float) WindWidth / (float) WindWidth, 5., 1000.);
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gluLookAt(NUM_COLS * 2., NUM_COLS * 2. + 50., NUM_ROWS * 2., NUM_COLS * 2.,
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NUM_COLS * 2., NUM_ROWS * 2., 0.0, 0.0, 1.0);
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// init Call List for LED
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GLUquadric* quad = gluNewQuadric();
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glNewList(0, GL_COMPILE);
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glColor4f(0.8, 0.0, 0.0, 1.);
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gluSphere(quad, 1.0, 12, 12);
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glEndList();
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glNewList(1, GL_COMPILE);
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glColor4f(0.5, 0.0, 0.0, 1.);
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gluSphere(quad, 1.4, 12, 12);
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glEndList();
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glNewList(2, GL_COMPILE);
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glColor4f(0.7, 0.0, 0.0, 1.);
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gluSphere(quad, 1.55, 12, 12);
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glEndList();
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glNewList(3, GL_COMPILE);
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glColor4f(1.00, 0.0, 0.0, 1.);
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gluSphere(quad, 1.7, 12, 12);
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glEndList();
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tbInit(GLUT_LEFT_BUTTON);
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tbAnimate(GL_FALSE);
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pthread_t simthread;
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pthread_create(&simthread, NULL, display_loop_run, NULL);
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glutMainLoop();
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return 0;
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}
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/*@}*/
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