void moveGenerator(){
int i;
int j;
for(j=0;j<100;j++){
for(i=0;i<GENERATOR_MAX;i++){
FixedPoint angle = FloatToFix((float)(rand()) / RAND_MAX);
FixedPoint speed = ((float)(rand()) / RAND_MAX)*4;
if(makeBullet(Gen[i].pt.x, Gen[i].pt.y, (FixedPoint)INT_cos(angle)*speed, (FixedPoint)INT_sin(angle)*speed) < 0){
return;
}
/*
if(makeBullet(Gen[i].pt.x, Gen[i].pt.y, (FixedPoint)INT_cos(Gen[i].angle), (FixedPoint)INT_sin(Gen[i].angle)) < 0){
return;
}
Gen[i].angle++;
Gen[i].angle %= ANGLE_MAX;
*/
GLint vertex[8];
GLint x = FixToInt(Gen[i].pt.x);
GLint y = FixToInt(Gen[i].pt.y);
glEnableClientState( GL_VERTEX_ARRAY );
glVertexPointer( 2, GL_INT, 0, vertex );
vertex[0] = x-3; vertex[1] = y-3;
vertex[2] = x-3; vertex[3] = y+3;
vertex[4] = x+3; vertex[5] = y+3;
vertex[6] = x+3; vertex[7] = y-3;
glColor4fv(GEN_COLOR);
glDrawArrays( GL_QUADS, 0, 4 );
}
}
}
int main(int argc, char **argv)
{
int num_degrees, angle;
FILE *headerfile, *tablefile;
double radians;
fix result;
char tempbuf[512], *dir;
int viewer_distance, maxx;
if (argc != 2)
usage();
dir = argv[1];
num_degrees = NUMDEGREES;
maxx = MAXX;
viewer_distance = VIEWER_DISTANCE;
/* First spew the header file */
sprintf(tempbuf, "%s\\%s", dir, header_file);
headerfile = fopen(tempbuf, "wt");
if (headerfile == NULL)
file_error();
fprintf(headerfile, "/*\n");
fprintf(headerfile, " * %s: Header file for trig tables.\n", header_file);
fprintf(headerfile, " * This file was automatically generated by %s.\n", progname);
fprintf(headerfile, " */\n\n");
fprintf(headerfile, "#ifndef _TRIG_H\n");
fprintf(headerfile, "#define _TRIG_H\n\n");
fprintf(headerfile, "#define NUMDEGREES %d\n", num_degrees);
fprintf(headerfile, "#define LOG_NUMDEGREES %d\n", discrete_log(num_degrees));
fprintf(headerfile, "#define COS(x) (cos_table[x & (NUMDEGREES - 1)])\n");
fprintf(headerfile, "#define SIN(x) (sin_table[x & (NUMDEGREES - 1)])\n");
// fprintf(headerfile, "#define TAN(x) (tan_table[x & (NUMDEGREES - 1)])\n");
// fprintf(headerfile, "#define COT(x) (cot_table[x & (NUMDEGREES - 1)])\n");
fprintf(headerfile, "\n");
fprintf(headerfile, "extern long cos_table[NUMDEGREES];\n");
fprintf(headerfile, "extern long sin_table[NUMDEGREES];\n");
// fprintf(headerfile, "extern long tan_table[NUMDEGREES];\n");
// fprintf(headerfile, "extern long cot_table[NUMDEGREES];\n");
// fprintf(headerfile, "extern long atan_table[%d];\n", maxx);
fprintf(headerfile, "\n#endif /* ifndef _TRIG_H */\n");
fclose(headerfile);
/* Now write out the tables themselves */
sprintf(tempbuf, "%s\\%s", dir, table_file);
tablefile = fopen(tempbuf, "wt");
if (tablefile == NULL)
file_error();
fprintf(tablefile, "/*\n");
fprintf(tablefile, " * %s: Trig tables.\n", table_file);
fprintf(tablefile, " * This file was automatically generated by %s.\n", progname);
fprintf(tablefile, " */\n");
fprintf(tablefile, "#include \"client.h\"\n\n");
/* cosine table */
fprintf(tablefile, "long cos_table[%d] = {\n", num_degrees);
for (angle = 0; angle < num_degrees; angle++)
{
radians = (double) angle * PITWICE / num_degrees;
result = FloatToFix(cos(radians));
fprintf(tablefile, "0x%8.8x, ", result);
if (angle % 4 == 3)
fprintf(tablefile, "\n");
}
fprintf(tablefile, "\n};\n\n");
/* sine table */
fprintf(tablefile, "long sin_table[%d] = {\n", num_degrees);
for (angle = 0; angle < num_degrees; angle++)
{
radians = (double) angle * PITWICE / num_degrees;
result = FloatToFix(sin(radians));
fprintf(tablefile, "0x%8.8x, ", result);
if (angle % 4 == 3)
fprintf(tablefile, "\n");
}
fprintf(tablefile, "\n};\n\n");
// Tangent and cotangent tables no longer needed 9/95 ARK
// Arctangent table no longer needed 12/95 ARK
#if 0
/* tangent table */
fprintf(tablefile, "long tan_table[%d] = {\n", num_degrees);
for (angle = 0; angle < num_degrees; angle++)
{
radians = (double) angle * PITWICE / num_degrees;
/* Watch out for pi/2 and -pi/2 */
if (angle == num_degrees / 4)
result = BIGFIXINT;
else if (angle == num_degrees / 4 * 3)
result = -BIGFIXINT;
else result = FloatToFix(tan(radians));
if (result > BIGFIXINT)
result = BIGFIXINT;
if (result < -BIGFIXINT)
result = -BIGFIXINT;
fprintf(tablefile, "0x%8.8x, ", result);
if (angle % 4 == 3)
fprintf(tablefile, "\n");
}
fprintf(tablefile, "\n};\n\n");
/* cotangent table */
fprintf(tablefile, "long cot_table[%d] = {\n", num_degrees);
for (angle = 0; angle < num_degrees; angle++)
{
radians = (double) angle * PITWICE / num_degrees;
/* Watch out for 0 and pi */
if (angle == 0)
result = BIGFIXINT;
else if (angle == num_degrees / 2)
result = BIGFIXINT;
else result = FloatToFix(1.0 / tan(radians));
if (result > BIGFIXINT)
result = BIGFIXINT;
if (result < -BIGFIXINT)
result = -BIGFIXINT;
fprintf(tablefile, "0x%8.8x, ", result);
if (angle % 4 == 3)
fprintf(tablefile, "\n");
}
fprintf(tablefile, "\n};\n\n");
/* Arctangent table */
fprintf(tablefile, "long atan_table[%d] = {\n", maxx);
for (i = 0; i < maxx; i++)
{
radians = atan(((double)(i - maxx / 2)) / viewer_distance);
/* Convert radians to pseudodegrees */
result = (long) ((radians * num_degrees) / PITWICE);
if (result < 0)
result += num_degrees;
fprintf(tablefile, "%4d, ", result);
if (i % 8 == 7)
fprintf(tablefile, "\n");
}
fprintf(tablefile, "\n};\n\n");
fclose(tablefile);
#endif
return 0;
}
