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raycastlib/programs/test.c
2020-10-31 17:56:04 +01:00

560 lines
18 KiB
C

/**
General tests for raycastlib, use to test new version, different platforms
etc.
license: CC0
*/
#define RCL_PROFILE
#define RCL_PIXEL_FUNCTION pixelFunc
#include <stdio.h>
#include "../raycastlib.h"
#include <sys/time.h>
static const char renderSimpleExpect[] =
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"ddddddddddddddde,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeee,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffg,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhi,,,,,FFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDD,,,,,,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhii....FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhh.........FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggg...............FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffg.....................FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeeffffffff...........................FFFFFFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeeeeeeff.....................................FFEEEEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeeeeeeee..............................................EEEEEEEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeeeeeeeeee........................................................EEEEEEEEDDDDDDDDDDD"
"dddddddddddddddeee....................................................................EEEDDDDDDDDDDD"
"ddddddddddddd.............................................................................DDDDDDDDDD"
"ddddddd........................................................................................DDDDD"
"dd.................................................................................................D"
"....................................................................................................";
static const char renderComplexExpect[] =
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEDDe,,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEDDee,,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEEEEDDeee,,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,EEEEEEEEEEEEEEEDDeeee,,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"ddddddddddddddd,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeeeeeeeeee,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffff,,,,,,,,,,,,,,,,,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeef,,,,"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhh,,,,,,FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhiiiiiiFFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhhhhhhii....FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffggggggggghhh..........FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffgggggg................FFFFFFEEEEEEEEEEEEEEEDDeeeefGGGG"
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffffffffffg.....................FFFFFFEEEEEEEEEEEEEEEDDeeeef...."
"dddddddddddddddeeeeeeeeeeeeeeeeeefffffff............................FFFFFFEEEEEEEEEEEEEEEDDeeeef...."
"dddddddddddddddeeeeeeeeeeeeeeeeeeff.....................................FFEEEEEEEEEEEEEEEDDeeeefF..."
"dddddddddddddddeeeeeeeeeeeeee................................................EEEEEEEEEEEEDDeeeefFFFE"
"dddddddddddddddeeeeeeee...........................................................EEEEEEEDDeeeefFFFE"
"dddddddddddddddeee....................................................................EEEDDeeee....."
"ddddddddddd.................................................................................ee......"
"ddddddd............................................................................................."
"...................................................................................................."
"....................................................................................................";
RCL_Unit testArrayFunc(int16_t x, int16_t y)
{
if (x == 1 & y == 8)
return RCL_UNITS_PER_SQUARE * 3;
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;
}
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;
r.start.x = startX;
r.start.y = startY;
r.direction.x = dirX;
r.direction.y = dirY;
printf("- casting ray:\n");
RCL_logRay(r);
RCL_HitResult h = RCL_castRay(r,testArrayFunc);
printf("- result:\n");
RCL_logHitResult(h);
int result =
h.square.x == expectSquareX &&
h.square.y == expectSquareY &&
h.position.x <= expectPointX + tolerateError &&
h.position.x >= expectPointX - tolerateError &&
h.position.y <= expectPointY + tolerateError &&
h.position.y >= expectPointY - tolerateError;
if (result)
printf("\nOK\n\n");
else
printf("\nFAIL\n\n");
return result;
}
int testSingleMapping(RCL_Unit posX, RCL_Unit posY, RCL_Unit posZ, uint32_t resX,
uint32_t resY, RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ, RCL_Unit camDir,
RCL_Unit expectX, RCL_Unit expectY, RCL_Unit expectZ)
{
int result;
RCL_Camera c;
RCL_initCamera(&c);
c.resolution.x = resX;
c.resolution.y = resY;
c.position.x = camX;
c.position.y = camY;
c.direction = camDir;
c.height = camZ;
RCL_Vector2D pos;
RCL_Unit height;
pos.x = posX;
pos.y = posY;
height = posZ;
RCL_PixelInfo p;
printf("- mapping pixel: %d %d %d\n",posX,posY,posZ);
p = RCL_mapToScreen(pos,height,c);
printf("- result:\n");
RCL_logPixelInfo(p);
result = p.position.x == expectX && p.position.y == expectY &&
p.depth == expectZ;
if (result)
printf("\nOK\n\n");
else
printf("\nFAIL\n\n");
return result;
}
// returns milliseconds
long measureTime(void (*func)(void))
{
long start, end;
struct timeval timecheck;
gettimeofday(&timecheck, NULL);
start = (long) timecheck.tv_sec * 1000 + (long) timecheck.tv_usec / 1000;
func();
gettimeofday(&timecheck, NULL);
end = (long) timecheck.tv_sec * 1000 + (long) timecheck.tv_usec / 1000;
return end - start;
}
void benchCastRays()
{
RCL_Ray r;
r.start.x = RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2;
r.start.y = 2 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 4;
RCL_Vector2D directions[8];
for (int i = 0; i < 8; ++i)
directions[i] = RCL_angleToDirection(RCL_UNITS_PER_SQUARE / 8 * i);
for (int i = 0; i < 1000000; ++i)
{
r.direction = directions[i % 8];
RCL_castRay(r,testArrayFunc);
}
}
void benchmarkMapping()
{
RCL_Camera c;
c.resolution.x = 1024;
c.resolution.y = 768;
c.position.x = RCL_UNITS_PER_SQUARE / 2;
c.position.y = RCL_UNITS_PER_SQUARE * 2;
c.direction = RCL_UNITS_PER_SQUARE / 8;
c.height = 0;
RCL_PixelInfo p;
RCL_Vector2D pos;
RCL_Unit height;
pos.x = -1024 * RCL_UNITS_PER_SQUARE;
pos.y = -512 * RCL_UNITS_PER_SQUARE;
height = 0;
for (int i = 0; i < 1000000; ++i)
{
p = RCL_mapToScreen(pos,height,c);
pos.x += 4;
pos.y += 8;
height = (height + 16) % 1024;
}
}
int renderMode = 0;
uint32_t *pixelCounts = 0;
RCL_Camera countCamera;
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)
{
if (renderMode == 0) // count pixels
{
if (p->position.x >= countCamera.resolution.x || p->position.x < 0 ||
p->position.y >= countCamera.resolution.y || p->position.y < 0)
{
printf("ERROR: writing pixel outside screen at %d %d!\n",
p->position.x,p->position.y);
countOK = 0;
}
else
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,
RCL_Unit camDir, RCL_Unit camShear, uint16_t camResX, uint16_t camResY,
int complexRender)
{
printf("Counting rendered pixels (each should be rendered exactly once)...\n");
RCL_RayConstraints constraints;
RCL_Camera c;
RCL_initRayConstraints(&constraints);
constraints.maxSteps = 32;
RCL_initCamera(&c);
c.position.x = camX;
c.position.y = camY;
c.direction = camDir;
c.shear = camShear;
c.height = camZ;
c.resolution.x = camResX;
c.resolution.y = camResY;
uint32_t pixels[camResX * camResY];
for (int32_t i = 0; i < camResX * camResY; ++i)
pixels[i] = 0;
pixelCounts = pixels;
countCamera = c;
renderMode = 0;
countOK = 1;
if (complexRender)
RCL_renderComplex(c,testArrayFunc,testArrayFunc,0,constraints);
else
RCL_renderSimple(c,testArrayFunc,0,0,constraints);
for (uint32_t y = 0; y < camResY; ++y)
for (uint32_t x = 0; x < camResX; ++x)
{
uint32_t index = y * camResX + x;
if (pixels[index] != 1)
{
printf("ERROR: pixel at %d %d written %d times!\n",x,y,pixels[index]);
countOK = 0;
}
}
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()
{
RCL_Camera c;
RCL_initCamera(&c);
c.resolution.x = 640;
c.resolution.y = 300;
c.position.x = 10;
c.position.y = 12;
c.direction = 100;
c.height = 200;
RCL_RayConstraints constraints;
RCL_initRayConstraints(&constraints);
constraints.maxHits = 10;
constraints.maxSteps = 12;
renderMode = 255; // don't write pixels
for (int i = 0; i < 100; ++i)
RCL_renderComplex(c,testArrayFunc,testArrayFunc,0,constraints);
}
int main()
{
printf("Testing raycastlib.\n");
if (!testSingleRay(
3 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2,
4 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2,
100, 50,
10, 7,
10240, 7936,
16))
return 1;
if (!testSingleRay(
0,
0,
100, 100,
9, 10,
10240, 10240,
16))
return 1;
if (!testSingleRay(
400,
6811,
-629,805,
-1, 7,
-1, 7325,
16))
return 1;
if (!testSingleRay(
-4 * RCL_UNITS_PER_SQUARE - RCL_UNITS_PER_SQUARE / 2,
7 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 3,
100,-100,
0, 2,
1, 2900,
16))
return 1;
printf("testing perspective scale...\n");
for (RCL_Unit i = 1; i < 100; ++i)
{
RCL_Unit size = i * 3;
RCL_Unit distance = i * 6 + 200;
RCL_Unit scaled = RCL_perspectiveScaleHorizontal(size,distance);
RCL_Unit distance2 = RCL_perspectiveScaleHorizontalInverse(size,scaled);
if (RCL_abs(distance - distance2 > 2))
printf("ERROR: distance: %d, distance inverse: %d\n",distance,distance2);
}
printf("OK\n");
if (!testPixelCount(
RCL_UNITS_PER_SQUARE / 2,
RCL_UNITS_PER_SQUARE / 2,
RCL_UNITS_PER_SQUARE / 2,
0,
0,
128,
64,
1))
return 1;
if (!testPixelCount(
3 * RCL_UNITS_PER_SQUARE + 100,
4 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 3,
RCL_UNITS_PER_SQUARE / 2,
512,
0,
120,
60,
0))
return 1;
if (!testPixelCount(
- RCL_UNITS_PER_SQUARE,
0,
300,
-600,
-120,
64,
68,
1))
return 1;
printf("OK\n");
if (!testSingleMapping(
RCL_UNITS_PER_SQUARE,
RCL_UNITS_PER_SQUARE * 2,
0,
800,
640,
RCL_UNITS_PER_SQUARE / 2,
0,
RCL_UNITS_PER_SQUARE / 4,
(RCL_UNITS_PER_SQUARE * 5) / 6,
287,
365,
2027
))
return 1;
if (!testRender(0))
return 1;
if (!testRender(1))
return 1;
printf("benchmark:\n");
long t;
t = measureTime(benchCastRays);
printf("cast 1000000 rays: %ld ms\n",t);
t = measureTime(benchmarkMapping);
printf("map point to screen 1000000 times: %ld ms\n",t);
t = measureTime(benchmarkRender);
printf("render 100 times: %ld ms\n",t);
printf("\n===== all OK =====\n");
return 0;
}