659 lines
19 KiB
C
659 lines
19 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <GLUT/glut.h>
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#include <math.h>
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float degToRad(float a) { return a * M_PI / 180.0; }
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float FixAng(float a)
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{
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if (a > 359)
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{
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a -= 360;
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}
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if (a < 0)
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{
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a += 360;
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}
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return a;
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}
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float distance(int ax, int ay, int bx, int by, int ang) { return cos(degToRad(ang)) * (bx - ax) - sin(degToRad(ang)) * (by - ay); }
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float px, py, pdx, pdy, pa;
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float frame1, frame2, fps;
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typedef struct
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{
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int w, a, d, s; // button state on off
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} ButtonKeys;
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ButtonKeys Keys;
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// clang-format off
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int All_Textures[]= //all 32x32 textures
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{
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//Checkerboard
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,1,1,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,1,1,1,1,1,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,1,1,1,1,1,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,1,1,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0, 1,1,1,1,1,1,1,1, 0,0,0,0,0,0,0,0,
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//Brick
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0, 0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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//Window
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1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
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1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
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//Door
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
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0,0,0,1,1,1,1,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,1,1,1,1,0,0,0,
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0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
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0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
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0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
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0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
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0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,0,0,0,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,0,0,0,1,0,0,0,
|
|
0,0,0,1,1,1,1,1, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 1,1,1,1,1,0,0,0,
|
|
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,1,0,1, 1,0,1,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,1,1,1,1,0,1, 1,0,1,1,1,1,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
|
|
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
|
|
0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1, 1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,0,
|
|
};
|
|
// clang-format on
|
|
|
|
//-----------------------------MAP----------------------------------------------
|
|
#define mapX 8 // map width
|
|
#define mapY 8 // map height
|
|
#define mapS 64 // map cube size
|
|
|
|
// clang-format off
|
|
int mapW[]= //walls
|
|
{
|
|
1,1,1,1,1,3,1,1,
|
|
1,0,0,1,0,0,0,1,
|
|
1,0,0,4,0,2,0,1,
|
|
1,1,4,1,0,0,0,1,
|
|
2,0,0,0,0,0,0,1,
|
|
2,0,0,0,0,1,0,1,
|
|
2,0,0,0,0,0,0,1,
|
|
1,1,3,1,3,1,3,1,
|
|
};
|
|
|
|
int mapF[]= //floors
|
|
{
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,1,1,0,0,
|
|
0,0,0,0,2,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,2,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,1,1,1,1,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
};
|
|
|
|
int mapC[]= //ceiling
|
|
{
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,1,0,
|
|
0,1,3,1,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
0,0,0,0,0,0,0,0,
|
|
};
|
|
// clang-format on
|
|
|
|
void drawMap2D()
|
|
{
|
|
int x, y, xo, yo;
|
|
for (y = 0; y < mapY; y++)
|
|
{
|
|
for (x = 0; x < mapX; x++)
|
|
{
|
|
if (mapW[y * mapX + x] > 0)
|
|
{
|
|
glColor3f(1, 1, 1);
|
|
}
|
|
else
|
|
{
|
|
glColor3f(0, 0, 0);
|
|
}
|
|
xo = x * mapS;
|
|
yo = y * mapS;
|
|
glBegin(GL_QUADS);
|
|
glVertex2i(0 + xo + 1, 0 + yo + 1);
|
|
glVertex2i(0 + xo + 1, mapS + yo - 1);
|
|
glVertex2i(mapS + xo - 1, mapS + yo - 1);
|
|
glVertex2i(mapS + xo - 1, 0 + yo + 1);
|
|
glEnd();
|
|
}
|
|
}
|
|
} //-----------------------------------------------------------------------------
|
|
|
|
//------------------------PLAYER------------------------------------------------
|
|
void drawPlayer2D()
|
|
{
|
|
glColor3f(1, 1, 0);
|
|
glPointSize(8);
|
|
glLineWidth(4);
|
|
glBegin(GL_POINTS);
|
|
glVertex2i(px, py);
|
|
glEnd();
|
|
glBegin(GL_LINES);
|
|
glVertex2i(px, py);
|
|
glVertex2i(px + pdx * 20, py + pdy * 20);
|
|
glEnd();
|
|
} //-----------------------------------------------------------------------------
|
|
|
|
//---------------------------Draw Rays and Walls--------------------------------
|
|
void drawRays2D()
|
|
{
|
|
glColor3f(0, 1, 1);
|
|
glBegin(GL_QUADS);
|
|
glVertex2i(526, 0);
|
|
glVertex2i(1006, 0);
|
|
glVertex2i(1006, 160);
|
|
glVertex2i(526, 160);
|
|
glEnd();
|
|
glColor3f(0, 0, 1);
|
|
glBegin(GL_QUADS);
|
|
glVertex2i(526, 160);
|
|
glVertex2i(1006, 160);
|
|
glVertex2i(1006, 320);
|
|
glVertex2i(526, 320);
|
|
glEnd();
|
|
|
|
int r, mx, my, mp, dof, side;
|
|
float vx, vy, rx, ry, ra, xo, yo, disV, disH;
|
|
|
|
ra = FixAng(pa + 30); // ray set back 30 degrees
|
|
|
|
for (r = 0; r < 60; r++)
|
|
{
|
|
int vmt = 0, hmt = 0; // vertical and horizontal map texture number
|
|
//---Vertical---
|
|
dof = 0;
|
|
side = 0;
|
|
disV = 100000;
|
|
float Tan = tan(degToRad(ra));
|
|
if (cos(degToRad(ra)) > 0.001)
|
|
{
|
|
rx = (((int)px >> 6) << 6) + 64;
|
|
ry = (px - rx) * Tan + py;
|
|
xo = 64;
|
|
yo = -xo * Tan;
|
|
} // looking left
|
|
else if (cos(degToRad(ra)) < -0.001)
|
|
{
|
|
rx = (((int)px >> 6) << 6) - 0.0001;
|
|
ry = (px - rx) * Tan + py;
|
|
xo = -64;
|
|
yo = -xo * Tan;
|
|
} // looking right
|
|
else
|
|
{
|
|
rx = px;
|
|
ry = py;
|
|
dof = 8;
|
|
} // looking up or down. no hit
|
|
|
|
while (dof < 8)
|
|
{
|
|
mx = (int)(rx) >> 6;
|
|
my = (int)(ry) >> 6;
|
|
mp = my * mapX + mx;
|
|
if (mp > 0 && mp < mapX * mapY && mapW[mp] > 0)
|
|
{
|
|
vmt = mapW[mp] - 1;
|
|
dof = 8;
|
|
disV = cos(degToRad(ra)) * (rx - px) - sin(degToRad(ra)) * (ry - py);
|
|
} // hit
|
|
else
|
|
{
|
|
rx += xo;
|
|
ry += yo;
|
|
dof += 1;
|
|
} // check next horizontal
|
|
}
|
|
vx = rx;
|
|
vy = ry;
|
|
|
|
//---Horizontal---
|
|
dof = 0;
|
|
disH = 100000;
|
|
Tan = 1.0 / Tan;
|
|
if (sin(degToRad(ra)) > 0.001)
|
|
{
|
|
ry = (((int)py >> 6) << 6) - 0.0001;
|
|
rx = (py - ry) * Tan + px;
|
|
yo = -64;
|
|
xo = -yo * Tan;
|
|
} // looking up
|
|
else if (sin(degToRad(ra)) < -0.001)
|
|
{
|
|
ry = (((int)py >> 6) << 6) + 64;
|
|
rx = (py - ry) * Tan + px;
|
|
yo = 64;
|
|
xo = -yo * Tan;
|
|
} // looking down
|
|
else
|
|
{
|
|
rx = px;
|
|
ry = py;
|
|
dof = 8;
|
|
} // looking straight left or right
|
|
|
|
while (dof < 8)
|
|
{
|
|
mx = (int)(rx) >> 6;
|
|
my = (int)(ry) >> 6;
|
|
mp = my * mapX + mx;
|
|
if (mp > 0 && mp < mapX * mapY && mapW[mp] > 0)
|
|
{
|
|
hmt = mapW[mp] - 1;
|
|
dof = 8;
|
|
disH = cos(degToRad(ra)) * (rx - px) - sin(degToRad(ra)) * (ry - py);
|
|
} // hit
|
|
else
|
|
{
|
|
rx += xo;
|
|
ry += yo;
|
|
dof += 1;
|
|
} // check next horizontal
|
|
}
|
|
|
|
float shade = 1;
|
|
glColor3f(0, 0.8, 0);
|
|
if (disV < disH)
|
|
{
|
|
hmt = vmt;
|
|
shade = 0.5;
|
|
rx = vx;
|
|
ry = vy;
|
|
disH = disV;
|
|
glColor3f(0, 0.6, 0);
|
|
} // horizontal hit first
|
|
glLineWidth(2);
|
|
glBegin(GL_LINES);
|
|
glVertex2i(px, py);
|
|
glVertex2i(rx, ry);
|
|
glEnd(); // draw 2D ray
|
|
|
|
int ca = FixAng(pa - ra);
|
|
disH = disH * cos(degToRad(ca)); // fix fisheye
|
|
int lineH = (mapS * 320) / (disH);
|
|
float ty_step = 32.0 / (float)lineH;
|
|
float ty_off = 0;
|
|
if (lineH > 320)
|
|
{
|
|
ty_off = (lineH - 320) / 2.0;
|
|
lineH = 320;
|
|
} // line height and limit
|
|
int lineOff = 160 - (lineH >> 1); // line offset
|
|
|
|
//---draw walls---
|
|
int y;
|
|
float ty = ty_off * ty_step + hmt * 32;
|
|
float tx;
|
|
if (shade == 1)
|
|
{
|
|
tx = (int)(rx / 2.0) % 32;
|
|
if (ra > 180)
|
|
{
|
|
tx = 31 - tx;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tx = (int)(ry / 2.0) % 32;
|
|
if (ra > 90 && ra < 270)
|
|
{
|
|
tx = 31 - tx;
|
|
}
|
|
}
|
|
for (y = 0; y < lineH; y++)
|
|
{
|
|
float c = All_Textures[(int)(ty) * 32 + (int)(tx)] * shade;
|
|
if (hmt == 0)
|
|
{
|
|
glColor3f(c, c / 2.0, c / 2.0);
|
|
} // checkerboard red
|
|
if (hmt == 1)
|
|
{
|
|
glColor3f(c, c, c / 2.0);
|
|
} // Brick yellow
|
|
if (hmt == 2)
|
|
{
|
|
glColor3f(c / 2.0, c / 2.0, c);
|
|
} // window blue
|
|
if (hmt == 3)
|
|
{
|
|
glColor3f(c / 2.0, c, c / 2.0);
|
|
} // door green
|
|
glPointSize(8);
|
|
glBegin(GL_POINTS);
|
|
glVertex2i(r * 8 + 530, y + lineOff);
|
|
glEnd(); // draw vertical wall
|
|
ty += ty_step;
|
|
}
|
|
|
|
//---draw floors---
|
|
for (y = lineOff + lineH; y < 320; y++)
|
|
{
|
|
float dy = y - (320 / 2.0), deg = degToRad(ra), raFix = cos(degToRad(FixAng(pa - ra)));
|
|
tx = px / 2 + cos(deg) * 158 * 32 / dy / raFix;
|
|
ty = py / 2 - sin(deg) * 158 * 32 / dy / raFix;
|
|
int mp = mapF[(int)(ty / 32.0) * mapX + (int)(tx / 32.0)] * 32 * 32;
|
|
float c = All_Textures[((int)(ty) & 31) * 32 + ((int)(tx) & 31) + mp] * 0.7;
|
|
glColor3f(c / 1.3, c / 1.3, c);
|
|
glPointSize(8);
|
|
glBegin(GL_POINTS);
|
|
glVertex2i(r * 8 + 530, y);
|
|
glEnd();
|
|
|
|
//---draw ceiling---
|
|
mp = mapC[(int)(ty / 32.0) * mapX + (int)(tx / 32.0)] * 32 * 32;
|
|
c = All_Textures[((int)(ty) & 31) * 32 + ((int)(tx) & 31) + mp] * 0.7;
|
|
glColor3f(c / 2.0, c / 1.2, c / 2.0);
|
|
glPointSize(8);
|
|
glBegin(GL_POINTS);
|
|
glVertex2i(r * 8 + 530, 320 - y);
|
|
glEnd();
|
|
}
|
|
|
|
ra = FixAng(ra - 1); // go to next ray, 60 total
|
|
}
|
|
} //-----------------------------------------------------------------------------
|
|
|
|
void init()
|
|
{
|
|
glClearColor(0.3, 0.3, 0.3, 0);
|
|
gluOrtho2D(0, 1024, 510, 0);
|
|
px = 150;
|
|
py = 400;
|
|
pa = 90;
|
|
pdx = cos(degToRad(pa));
|
|
pdy = -sin(degToRad(pa)); // init player
|
|
}
|
|
|
|
void display()
|
|
{
|
|
// frames per second
|
|
frame2 = glutGet(GLUT_ELAPSED_TIME);
|
|
fps = (frame2 - frame1);
|
|
frame1 = glutGet(GLUT_ELAPSED_TIME);
|
|
|
|
// buttons
|
|
if (Keys.a == 1)
|
|
{
|
|
pa += 0.2 * fps;
|
|
pa = FixAng(pa);
|
|
pdx = cos(degToRad(pa));
|
|
pdy = -sin(degToRad(pa));
|
|
}
|
|
if (Keys.d == 1)
|
|
{
|
|
pa -= 0.2 * fps;
|
|
pa = FixAng(pa);
|
|
pdx = cos(degToRad(pa));
|
|
pdy = -sin(degToRad(pa));
|
|
}
|
|
|
|
int xo = 0;
|
|
if (pdx < 0)
|
|
{
|
|
xo = -20;
|
|
}
|
|
else
|
|
{
|
|
xo = 20;
|
|
} // x offset to check map
|
|
int yo = 0;
|
|
if (pdy < 0)
|
|
{
|
|
yo = -20;
|
|
}
|
|
else
|
|
{
|
|
yo = 20;
|
|
} // y offset to check map
|
|
int ipx = px / 64.0, ipx_add_xo = (px + xo) / 64.0, ipx_sub_xo = (px - xo) / 64.0; // x position and offset
|
|
int ipy = py / 64.0, ipy_add_yo = (py + yo) / 64.0, ipy_sub_yo = (py - yo) / 64.0; // y position and offset
|
|
if (Keys.w == 1) // move forward
|
|
{
|
|
if (mapW[ipy * mapX + ipx_add_xo] == 0)
|
|
{
|
|
px += pdx * 0.2 * fps;
|
|
}
|
|
if (mapW[ipy_add_yo * mapX + ipx] == 0)
|
|
{
|
|
py += pdy * 0.2 * fps;
|
|
}
|
|
}
|
|
if (Keys.s == 1) // move backward
|
|
{
|
|
if (mapW[ipy * mapX + ipx_sub_xo] == 0)
|
|
{
|
|
px -= pdx * 0.2 * fps;
|
|
}
|
|
if (mapW[ipy_sub_yo * mapX + ipx] == 0)
|
|
{
|
|
py -= pdy * 0.2 * fps;
|
|
}
|
|
}
|
|
|
|
glutPostRedisplay();
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
drawMap2D();
|
|
drawPlayer2D();
|
|
drawRays2D();
|
|
glutSwapBuffers();
|
|
}
|
|
|
|
void ButtonDown(unsigned char key, int x, int y) // keyboard button pressed down
|
|
{
|
|
if (key == 'a')
|
|
{
|
|
Keys.a = 1;
|
|
}
|
|
if (key == 'd')
|
|
{
|
|
Keys.d = 1;
|
|
}
|
|
if (key == 'w')
|
|
{
|
|
Keys.w = 1;
|
|
}
|
|
if (key == 's')
|
|
{
|
|
Keys.s = 1;
|
|
}
|
|
if (key == 'e') // open doors
|
|
{
|
|
int xo = 0;
|
|
if (pdx < 0)
|
|
{
|
|
xo = -25;
|
|
}
|
|
else
|
|
{
|
|
xo = 25;
|
|
}
|
|
int yo = 0;
|
|
if (pdy < 0)
|
|
{
|
|
yo = -25;
|
|
}
|
|
else
|
|
{
|
|
yo = 25;
|
|
}
|
|
int ipx = px / 64.0, ipx_add_xo = (px + xo) / 64.0;
|
|
int ipy = py / 64.0, ipy_add_yo = (py + yo) / 64.0;
|
|
if (mapW[ipy_add_yo * mapX + ipx_add_xo] == 4)
|
|
{
|
|
mapW[ipy_add_yo * mapX + ipx_add_xo] = 0;
|
|
}
|
|
}
|
|
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
void ButtonUp(unsigned char key, int x, int y) // keyboard button pressed up
|
|
{
|
|
if (key == 'a')
|
|
{
|
|
Keys.a = 0;
|
|
}
|
|
if (key == 'd')
|
|
{
|
|
Keys.d = 0;
|
|
}
|
|
if (key == 'w')
|
|
{
|
|
Keys.w = 0;
|
|
}
|
|
if (key == 's')
|
|
{
|
|
Keys.s = 0;
|
|
}
|
|
glutPostRedisplay();
|
|
}
|
|
|
|
void resize(int w, int h) // screen window rescaled, snap back
|
|
{
|
|
glutReshapeWindow(1024, 512);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
glutInit(&argc, argv);
|
|
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
|
|
glutInitWindowSize(1024, 510);
|
|
glutInitWindowPosition(200, 200);
|
|
glutCreateWindow("YouTube-3DSage");
|
|
init();
|
|
glutDisplayFunc(display);
|
|
glutReshapeFunc(resize);
|
|
glutKeyboardFunc(ButtonDown);
|
|
glutKeyboardUpFunc(ButtonUp);
|
|
glutMainLoop();
|
|
}
|