williamjcm/raycastlib
1
0
Fork 0
mirror of https://git.coom.tech/drummyfish/raycastlib.git synced 2024-11-21 20:29:59 +01:00
Code Activity

Improve tests

Browse source
This commit is contained in:
Miloslav Číž 2020-06-20 18:48:02 +02:00
parent 2169b4db39
commit 79fef6c51b
2 changed files with 200 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

212
programs/test.c
View file

@ -5,35 +5,111 @@
*/ */
#define RCL_PROFILE #define RCL_PROFILE
#define RCL_HORIZONTAL_FOV RCL_UNITS_PER_SQUARE / 2
#define RCL_PIXEL_FUNCTION pixelFunc #define RCL_PIXEL_FUNCTION pixelFunc
#include <stdio.h> #include <stdio.h>
#include "../raycastlib.h" #include "../raycastlib.h"
#include <sys/time.h> #include <sys/time.h>
static const char renderSimpleExpect[] =
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,DD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"ddddddddd,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeee,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffff,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggg,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiii,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhi.....FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhh..........FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggg...............FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffg.....................FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffff..........................FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeeffff.................................FFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeee............................................EEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeee.....................................................EEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeee..............................................................EEEEEEDDDDDDDDDDD"
"ddddddddddddddde.......................................................................EEDDDDDDDDDDD"
"ddddddddddd.................................................................................DDDDDDDD"
"ddddddd........................................................................................DDDDD";
static const char renderComplexExpect[] =
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,DD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEDDe,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEDDee,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEEEEEEDDeee,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFEEEEEEEEEEEEEEEDDeeee,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"ddddddddd,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeee,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeeffff,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffgggggg,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,GGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiii,FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhi.....FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhh..........FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffgggggg................FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffg.....................FFFFFFEEEEEEEEEEEEEEEDDeeeef...."
"dddddddddddddddeeeeeeeeeeeeeeeeeeffffffff...........................FFFFFFEEEEEEEEEEEEEEEDDeeeef...."
"dddddddddddddddeeeeeeeeeeeeeeeeeefff...................................FFFEEEEEEEEEEEEEEEDDeeeef...."
"dddddddddddddddeeeeeeeeeeeeeeee............................................EEEEEEEEEEEEEEDDeeeefFFFE"
"dddddddddddddddeeeeeeeeeee.....................................................EEEEEEEEEEDDeeeefFFFE"
"dddddddddddddddeeeee................................................................EEEEEDDeeee....E"
"ddddddddddddddd..........................................................................DDeee......"
"ddddddddddd.................................................................................e......."
"dddd................................................................................................";
RCL_Unit testArrayFunc(int16_t x, int16_t y) RCL_Unit testArrayFunc(int16_t x, int16_t y)
{ {
if (x > 12 || y > 12) if (x == 1 & y == 8)
return x * y * RCL_UNITS_PER_SQUARE; return RCL_UNITS_PER_SQUARE * 3;
return (x < 0 || y < 0 || x > 9 || y > 9) ? RCL_UNITS_PER_SQUARE : 0; if (x == 2 & y == 8)
return -1 * RCL_UNITS_PER_SQUARE / 4;
return (x < 0 || x >= 10 || y < 0 || y >= 10) ?
(RCL_UNITS_PER_SQUARE * 2) : 0;
} }
RCL_Unit testArrayFunc2(int16_t x, int16_t y) int testSingleRay(RCL_Unit startX, RCL_Unit startY, RCL_Unit dirX,
{ RCL_Unit dirY, int16_t expectSquareX, int16_t expectSquareY,
return testArrayFunc(x,y) + 10 * RCL_UNITS_PER_SQUARE; int16_t expectPointX, int16_t expectPointY, int16_t tolerateError)
}
/**
Simple automatic test function.
*/
int testSingleRay(RCL_Unit startX, RCL_Unit startY, RCL_Unit dirX, RCL_Unit dirY,
int16_t expectSquareX, int16_t expectSquareY, int16_t expectPointX,
int16_t expectPointY, int16_t tolerateError)
{ {
RCL_Ray r; RCL_Ray r;
@ -176,14 +252,19 @@ void benchmarkMapping()
} }
} }
int countPixels = 0; int renderMode = 0;
uint32_t *pixelCounts = 0; uint32_t *pixelCounts = 0;
RCL_Camera countCamera; RCL_Camera countCamera;
int countOK = 1; int countOK = 1;
#define TEST_SCREEN_RES_X 100
#define TEST_SCREEN_RES_Y 40
char testScreen[TEST_SCREEN_RES_X * TEST_SCREEN_RES_Y];
void pixelFunc(RCL_PixelInfo *p) void pixelFunc(RCL_PixelInfo *p)
{ {
if (countPixels) if (renderMode == 0) // count pixels
{ {
if (p->position.x >= countCamera.resolution.x || p->position.x < 0 || if (p->position.x >= countCamera.resolution.x || p->position.x < 0 ||
p->position.y >= countCamera.resolution.y || p->position.y < 0) p->position.y >= countCamera.resolution.y || p->position.y < 0)
@ -196,13 +277,27 @@ void pixelFunc(RCL_PixelInfo *p)
else else
pixelCounts[p->position.y * countCamera.resolution.x + p->position.x]++; pixelCounts[p->position.y * countCamera.resolution.x + p->position.x]++;
} }
else if (renderMode == 1)
{
char c = '?';
if (p->isFloor)
c = '.';
else
c = ',';
if (p->isWall)
c = (p->hit.direction % 2 ? 'a' : 'A') + p->depth / 512;
testScreen[p->position.y * TEST_SCREEN_RES_X + p->position.x] = c;
}
} }
int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ, int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
RCL_Unit camDir, RCL_Unit camShear, uint16_t camResX, uint16_t camResY, RCL_Unit camDir, RCL_Unit camShear, uint16_t camResX, uint16_t camResY,
int complexRender) int complexRender)
{ {
printf("Counting rendered pixels...\n"); printf("Counting rendered pixels (each should be rendered exactly once)...\n");
RCL_RayConstraints constraints; RCL_RayConstraints constraints;
RCL_Camera c; RCL_Camera c;
@ -210,6 +305,7 @@ int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
RCL_initRayConstraints(&constraints); RCL_initRayConstraints(&constraints);
constraints.maxSteps = 32; constraints.maxSteps = 32;
RCL_initCamera(&c); RCL_initCamera(&c);
c.position.x = camX; c.position.x = camX;
c.position.y = camY; c.position.y = camY;
c.direction = camDir; c.direction = camDir;
@ -225,12 +321,12 @@ int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
pixelCounts = pixels; pixelCounts = pixels;
countCamera = c; countCamera = c;
countPixels = 1; renderMode = 0;
countOK = 1; countOK = 1;
if (complexRender) if (complexRender)
RCL_renderComplex(c,testArrayFunc,testArrayFunc2,0,constraints); RCL_renderComplex(c,testArrayFunc,testArrayFunc,0,constraints);
else else
RCL_renderSimple(c,testArrayFunc,0,0,constraints); RCL_renderSimple(c,testArrayFunc,0,0,constraints);
@ -249,9 +345,68 @@ int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
return countOK; return countOK;
} }
int testRender(int8_t simple)
{
printf("\nTesting rendering\n");
renderMode = 1;
RCL_Camera c;
RCL_initCamera(&c);
c.resolution.x = TEST_SCREEN_RES_X;
c.resolution.y = TEST_SCREEN_RES_Y;
c.position.x = 2 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2; // 3000;//5 * RCL_UNITS_PER_SQUARE;
c.position.y = 5 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2; //5000;//5 * RCL_UNITS_PER_SQUARE;
c.direction = 625;//700;
c.height = 1500;//1000;
RCL_RayConstraints constraints;
RCL_initRayConstraints(&constraints);
constraints.maxHits = 7;
constraints.maxSteps = 20;
renderMode = 1;
for (uint32_t i = 0; i < TEST_SCREEN_RES_X * TEST_SCREEN_RES_Y; ++i)
testScreen[i] = '?';
if (simple)
{
RCL_renderSimple(c,testArrayFunc,0,0,constraints);
}
else
{
RCL_renderComplex(c,testArrayFunc,0,0,constraints);
}
for (uint32_t i = 0; i < TEST_SCREEN_RES_X * TEST_SCREEN_RES_Y; ++i)
{
if ((i % TEST_SCREEN_RES_X) == 0)
printf(" \n");
printf("%c",testScreen[i]);
}
const char *expect = simple ? renderSimpleExpect : renderComplexExpect;
for (uint32_t i = 0; i < TEST_SCREEN_RES_X * TEST_SCREEN_RES_Y; ++i)
if (expect[i] != testScreen[i])
{
printf("\n\nFAIL!\n");
return 0;
}
printf("\n\nOK\n");
return 1;
}
void benchmarkRender() void benchmarkRender()
{ {
RCL_Camera c; RCL_Camera c;
RCL_initCamera(&c);
c.resolution.x = 640; c.resolution.x = 640;
c.resolution.y = 300; c.resolution.y = 300;
@ -261,14 +416,15 @@ void benchmarkRender()
c.height = 200; c.height = 200;
RCL_RayConstraints constraints; RCL_RayConstraints constraints;
RCL_initRayConstraints(&constraints);
constraints.maxHits = 10; constraints.maxHits = 10;
constraints.maxSteps = 12; constraints.maxSteps = 12;
countPixels = 0; renderMode = 255; // don't write pixels
for (int i = 0; i < 100; ++i) for (int i = 0; i < 100; ++i)
RCL_renderComplex(c,testArrayFunc,testArrayFunc2,0,constraints); RCL_renderComplex(c,testArrayFunc,testArrayFunc,0,constraints);
} }
int main() int main()
@ -378,6 +534,12 @@ int main()
)) ))
return 1; return 1;
if (!testRender(0))
return 1;
if (!testRender(1))
return 1;
printf("benchmark:\n"); printf("benchmark:\n");
long t; long t;

14
raycastlib.h
View file

@ -1524,7 +1524,16 @@ void _RCL_columnFunctionSimple(RCL_HitResult *hits, uint16_t hitCount,
{ {
dist = hit.distance; dist = hit.distance;
int16_t wallHeightWorld = _RCL_floorFunction(hit.square.x,hit.square.y); RCL_Unit wallHeightWorld = _RCL_floorFunction(hit.square.x,hit.square.y);
if (wallHeightWorld < 0)
{
/* We can't just do wallHeightWorld = max(0,wallHeightWorld) because
we would be processing an actual hit with height 0, which shouldn't
ever happen, so we assign some arbitrary height. */
wallHeightWorld = RCL_UNITS_PER_SQUARE;
}
RCL_Unit worldPointTop = wallHeightWorld - _RCL_camera.height; RCL_Unit worldPointTop = wallHeightWorld - _RCL_camera.height;
RCL_Unit worldPointBottom = -1 * _RCL_camera.height; RCL_Unit worldPointBottom = -1 * _RCL_camera.height;
@ -1538,6 +1547,9 @@ void _RCL_columnFunctionSimple(RCL_HitResult *hits, uint16_t hitCount,
* _RCL_camera.resolution.y) / RCL_UNITS_PER_SQUARE; * _RCL_camera.resolution.y) / RCL_UNITS_PER_SQUARE;
wallHeightScreen = wallEnd - wallStart; wallHeightScreen = wallEnd - wallStart;
if (wallHeightScreen <= 0) // can happen because of rounding errors
wallHeightScreen = 1;
} }
} }
else else