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Update terminal test

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Miloslav Číž 2020-06-20 22:34:10 +02:00
parent 79fef6c51b
commit 2d5df9fa58
1 changed files with 37 additions and 20 deletions
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57
programs/testTerminal.c
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@ -2,18 +2,19 @@
Raycasting terminal test.
author: Miloslav Ciz
license: CC0
license: CC0 1.0, public domain
*/
#define RCL_PIXEL_FUNCTION pixelFunc
#define RCL_COMPUTE_WALL_TEXCOORDS 0
#define RCL_COMPUTE_FLOOR_DEPTH 0
#define RCL_PIXEL_FUNCTION pixelFunc // set our pixel functio
#define RCL_COMPUTE_FLOOR_DEPTH 0 // turn off what we don't need
#define RCL_COMPUTE_CEILING_DEPTH 0
#include <stdio.h>
#include "../raycastlib.h"
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "../raycastlib.h"
#define LEVEL_W 20
#define LEVEL_H 15
@ -21,10 +22,14 @@
#define SCREEN_W 80
#define SCREEN_H 40
char pixels[SCREEN_W * SCREEN_H];
#define FRAME_OFFSET 20 // number of newlines printed before each frame
#define PIXELS_TOTAL (FRAME_OFFSET+ (SCREEN_W + 1) * SCREEN_H + 1)
char pixels[FRAME_OFFSET + (SCREEN_W + 1) * SCREEN_H + 1];
RCL_Camera camera;
const int8_t level[LEVEL_W * LEVEL_H] =
const int8_t level[LEVEL_W * LEVEL_H] = // here 1 means wall, 0 floor
{
/* 11 13 15 17 19
0 1 2 3 4 5 6 7 8 9 10 12 14 16 18 */
@ -45,6 +50,10 @@ const int8_t level[LEVEL_W * LEVEL_H] =
0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0 // 14
};
/*
Function that says the floor height at each square. We do it by reading the
anove level array.
*/
RCL_Unit heightAt(int16_t x, int16_t y)
{
int32_t index = y * LEVEL_W + x;
@ -55,29 +64,37 @@ RCL_Unit heightAt(int16_t x, int16_t y)
return level[y * LEVEL_W + x] * RCL_UNITS_PER_SQUARE * 2;
}
static const char asciiShades[] = "HXi/;,. ";
void pixelFunc(RCL_PixelInfo *p)
{
char c = ' ';
uint8_t shade = 3;
shade -= RCL_min(3,p->depth / RCL_UNITS_PER_SQUARE);
if (p->isWall)
{
switch (p->hit.direction)
{
case 0: c = 'X'; break;
case 1: c = '#'; break;
case 0: shade += 2;
case 1: shade += p->texCoords.y / 512;
c = asciiShades[shade];
break;
case 2: c = 'o'; break;
case 3:
default: c = '.'; break;
}
}
pixels[p->position.y * SCREEN_W + p->position.x] = c;
pixels[FRAME_OFFSET + p->position.y * (SCREEN_W + 1) + p->position.x] = c;
}
void draw()
{
for (int i = 0; i < 15; ++i)
printf("\n");
memset(pixels,'\n',PIXELS_TOTAL);
pixels[PIXELS_TOTAL - 1] = 0; // terminate string
RCL_RayConstraints c;
@ -86,16 +103,16 @@ void draw()
c.maxHits = 1;
c.maxSteps = 40;
//RCL_renderSimple(camera,heightAt,0,0,c);
#if 1
RCL_renderSimple(camera,heightAt,0,0,c);
#else
/* Here you can try using the complex rendering function. The result should
be practically the same. */
RCL_renderComplex(camera,heightAt,0,0,c);
#endif
for (int j = 0; j < SCREEN_H; ++j)
{
for (int i = 0; i < SCREEN_W; ++i)
printf("%c",pixels[j * SCREEN_W + i]);
printf("\n");
}
puts(pixels);
}
int dx = 1;