mirror of
https://git.coom.tech/drummyfish/raycastlib.git
synced 2024-12-22 01:16:19 +01:00
Cleanup
This commit is contained in:
Miloslav Číž
parent
874d650d3f
commit
7230310b96
5 changed files with 1274 additions and 2 deletions
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@ -56,7 +56,7 @@ interface.
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how to use
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----------
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For start take a look at the [testTerminal.c](https://gitlab.com/drummyfish/raycastlib/blob/master/testTerminal.c) program.
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For start take a look at the [testTerminal.c](https://gitlab.com/drummyfish/raycastlib/blob/master/programs/testTerminal.c) program.
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It is only a little bit more complex than a simple hello world.
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For more examples see the other files, plus my [Pokitto demos](https://gitlab.com/drummyfish/Pokitto-Raycasting) repository,
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@ -94,4 +94,4 @@ TODO
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license
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-------
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Everything is CC0 1.0 + a waiver of all other IP rights (including patents). Please share your own software as free and open-source.
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Everything is CC0 1.0 + a waiver of all other IP rights (including patents). Please share your own software as free and open-source.
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5
programs/make.sh
Executable file
5
programs/make.sh
Executable file
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@ -0,0 +1,5 @@
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#!/bin/bash
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PROGRAM=testSDL
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clear; clear; g++ -x c -g -fmax-errors=5 -pedantic -Wall -Wextra -o $PROGRAM $PROGRAM.c -lSDL2 2>&1 >/dev/null && ./$PROGRAM
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396
programs/test.c
Normal file
396
programs/test.c
Normal file
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@ -0,0 +1,396 @@
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/**
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Tests for raycastlib.
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license: CC0
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*/
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#define RCL_PROFILE
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#define RCL_HORIZONTAL_FOV RCL_UNITS_PER_SQUARE / 2
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#define RCL_PIXEL_FUNCTION pixelFunc
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#include <stdio.h>
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#include "../raycastlib.h"
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#include <sys/time.h>
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RCL_Unit testArrayFunc(int16_t x, int16_t y)
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{
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if (x > 12 || y > 12)
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return x * y * RCL_UNITS_PER_SQUARE;
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return (x < 0 || y < 0 || x > 9 || y > 9) ? RCL_UNITS_PER_SQUARE : 0;
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}
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RCL_Unit testArrayFunc2(int16_t x, int16_t y)
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{
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return testArrayFunc(x,y) + 10 * RCL_UNITS_PER_SQUARE;
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}
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/**
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Simple automatic test function.
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*/
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int testSingleRay(RCL_Unit startX, RCL_Unit startY, RCL_Unit dirX, RCL_Unit dirY,
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int16_t expectSquareX, int16_t expectSquareY, int16_t expectPointX,
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int16_t expectPointY, int16_t tolerateError)
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{
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RCL_Ray r;
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r.start.x = startX;
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r.start.y = startY;
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r.direction.x = dirX;
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r.direction.y = dirY;
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printf("- casting ray:\n");
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RCL_logRay(r);
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RCL_HitResult h = RCL_castRay(r,testArrayFunc);
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printf("- result:\n");
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RCL_logHitResult(h);
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int result =
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h.square.x == expectSquareX &&
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h.square.y == expectSquareY &&
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h.position.x <= expectPointX + tolerateError &&
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h.position.x >= expectPointX - tolerateError &&
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h.position.y <= expectPointY + tolerateError &&
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h.position.y >= expectPointY - tolerateError;
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if (result)
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printf("\nOK\n\n");
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else
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printf("\nFAIL\n\n");
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return result;
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}
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int testSingleMapping(RCL_Unit posX, RCL_Unit posY, RCL_Unit posZ, uint32_t resX,
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uint32_t resY, RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ, RCL_Unit camDir,
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RCL_Unit expectX, RCL_Unit expectY, RCL_Unit expectZ)
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{
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int result;
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RCL_Camera c;
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c.resolution.x = resX;
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c.resolution.y = resY;
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c.position.x = camX;
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c.position.y = camY;
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c.direction = camDir;
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c.height = camZ;
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RCL_Vector2D pos;
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RCL_Unit height;
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pos.x = posX;
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pos.y = posY;
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height = posZ;
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RCL_PixelInfo p;
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printf("- mapping pixel: %d %d %d\n",posX,posY,posZ);
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p = RCL_mapToScreen(pos,height,c);
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printf("- result:\n");
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RCL_logPixelInfo(p);
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result = p.position.x == expectX && p.position.y == expectY &&
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p.depth == expectZ;
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if (result)
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printf("\nOK\n\n");
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else
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printf("\nFAIL\n\n");
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return result;
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}
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// returns milliseconds
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long measureTime(void (*func)(void))
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{
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long start, end;
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struct timeval timecheck;
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gettimeofday(&timecheck, NULL);
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start = (long) timecheck.tv_sec * 1000 + (long) timecheck.tv_usec / 1000;
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func();
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gettimeofday(&timecheck, NULL);
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end = (long) timecheck.tv_sec * 1000 + (long) timecheck.tv_usec / 1000;
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return end - start;
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}
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void benchCastRays()
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{
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RCL_Ray r;
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r.start.x = RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2;
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r.start.y = 2 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 4;
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RCL_Vector2D directions[8];
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for (int i = 0; i < 8; ++i)
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directions[i] = RCL_angleToDirection(RCL_UNITS_PER_SQUARE / 8 * i);
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for (int i = 0; i < 1000000; ++i)
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{
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r.direction = directions[i % 8];
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RCL_castRay(r,testArrayFunc);
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}
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}
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void benchmarkMapping()
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{
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RCL_Camera c;
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c.resolution.x = 1024;
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c.resolution.y = 768;
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c.position.x = RCL_UNITS_PER_SQUARE / 2;
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c.position.y = RCL_UNITS_PER_SQUARE * 2;
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c.direction = RCL_UNITS_PER_SQUARE / 8;
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c.height = 0;
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RCL_PixelInfo p;
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RCL_Vector2D pos;
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RCL_Unit height;
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pos.x = -1024 * RCL_UNITS_PER_SQUARE;
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pos.y = -512 * RCL_UNITS_PER_SQUARE;
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height = 0;
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for (int i = 0; i < 1000000; ++i)
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{
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p = RCL_mapToScreen(pos,height,c);
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pos.x += 4;
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pos.y += 8;
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height = (height + 16) % 1024;
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}
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}
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int countPixels = 0;
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uint32_t *pixelCounts = 0;
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RCL_Camera countCamera;
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int countOK = 1;
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void pixelFunc(RCL_PixelInfo *p)
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{
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if (countPixels)
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{
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if (p->position.x >= countCamera.resolution.x || p->position.x < 0 ||
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p->position.y >= countCamera.resolution.y || p->position.y < 0)
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{
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printf("ERROR: writing pixel outside screen at %d %d!\n",
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p->position.x,p->position.y);
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countOK = 0;
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}
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else
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pixelCounts[p->position.y * countCamera.resolution.x + p->position.x]++;
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}
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}
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int testPixelCount(RCL_Unit camX, RCL_Unit camY, RCL_Unit camZ,
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RCL_Unit camDir, RCL_Unit camShear, uint16_t camResX, uint16_t camResY,
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int complexRender)
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{
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printf("Counting rendered pixels...\n");
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RCL_RayConstraints constraints;
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RCL_Camera c;
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RCL_initRayConstraints(&constraints);
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constraints.maxSteps = 32;
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RCL_initCamera(&c);
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c.position.x = camX;
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c.position.y = camY;
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c.direction = camDir;
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c.shear = camShear;
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c.height = camZ;
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c.resolution.x = camResX;
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c.resolution.y = camResY;
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uint32_t pixels[camResX * camResY];
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for (int32_t i = 0; i < camResX * camResY; ++i)
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pixels[i] = 0;
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pixelCounts = pixels;
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countCamera = c;
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countPixels = 1;
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countOK = 1;
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if (complexRender)
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RCL_renderComplex(c,testArrayFunc,testArrayFunc2,0,constraints);
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else
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RCL_renderSimple(c,testArrayFunc,0,0,constraints);
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for (uint32_t y = 0; y < camResY; ++y)
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for (uint32_t x = 0; x < camResX; ++x)
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{
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uint32_t index = y * camResX + x;
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if (pixels[index] != 1)
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{
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printf("ERROR: pixel at %d %d written %d times!\n",x,y,pixels[index]);
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countOK = 0;
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}
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}
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return countOK;
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}
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void benchmarkRender()
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{
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RCL_Camera c;
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c.resolution.x = 640;
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c.resolution.y = 300;
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c.position.x = 10;
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c.position.y = 12;
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c.direction = 100;
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c.height = 200;
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RCL_RayConstraints constraints;
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constraints.maxHits = 10;
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constraints.maxSteps = 12;
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countPixels = 0;
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for (int i = 0; i < 100; ++i)
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RCL_renderComplex(c,testArrayFunc,testArrayFunc2,0,constraints);
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}
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int main()
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{
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printf("Testing raycastlib.\n");
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if (!testSingleRay(
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3 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2,
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4 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 2,
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100, 50,
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10, 7,
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10240, 7936,
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16))
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return 1;
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if (!testSingleRay(
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0,
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0,
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100, 100,
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9, 10,
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10240, 10240,
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16))
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return 1;
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if (!testSingleRay(
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400,
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6811,
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-629,805,
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-1, 7,
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-1, 7325,
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16))
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return 1;
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if (!testSingleRay(
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-4 * RCL_UNITS_PER_SQUARE - RCL_UNITS_PER_SQUARE / 2,
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7 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 3,
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100,-100,
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0, 2,
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1, 2900,
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16))
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return 1;
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printf("testing perspective scale...\n");
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for (RCL_Unit i = 1; i < 100; ++i)
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{
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RCL_Unit size = i * 3;
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RCL_Unit distance = i * 6 + 200;
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RCL_Unit scaled = RCL_perspectiveScale(size,distance);
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RCL_Unit distance2 = RCL_perspectiveScaleInverse(size,scaled);
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if (RCL_absVal(distance - distance2 > 2))
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printf("ERROR: distance: %d, distance inverse: %d\n",distance,distance2);
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}
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printf("OK\n");
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if (!testPixelCount(
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RCL_UNITS_PER_SQUARE / 2,
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RCL_UNITS_PER_SQUARE / 2,
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RCL_UNITS_PER_SQUARE / 2,
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0,
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0,
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128,
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64,
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1))
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return 1;
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if (!testPixelCount(
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3 * RCL_UNITS_PER_SQUARE + 100,
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4 * RCL_UNITS_PER_SQUARE + RCL_UNITS_PER_SQUARE / 3,
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RCL_UNITS_PER_SQUARE / 2,
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512,
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0,
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120,
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60,
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0))
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return 1;
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if (!testPixelCount(
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- RCL_UNITS_PER_SQUARE,
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0,
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300,
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-600,
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-120,
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64,
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68,
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1))
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return 1;
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printf("OK\n");
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/*
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if (!testSingleMapping(
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-RCL_UNITS_PER_SQUARE,
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0,
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RCL_UNITS_PER_SQUARE / 2,
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1280,
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640,
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0,
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0,
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0,
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RCL_UNITS_PER_SQUARE / 2,
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640,
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0,
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1024
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))
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return -1;
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*/
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printf("benchmark:\n");
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long t;
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t = measureTime(benchCastRays);
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printf("cast 1000000 rays: %ld ms\n",t);
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t = measureTime(benchmarkMapping);
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printf("map point to screen 1000000 times: %ld ms\n",t);
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t = measureTime(benchmarkRender);
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printf("render 100 times: %ld ms\n",t);
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printf("\n");
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printProfile();
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return 0;
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}
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723
programs/testSDL.c
Normal file
723
programs/testSDL.c
Normal file
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@ -0,0 +1,723 @@
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/*
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Raycasting SDL test. This is a port of my Pokitto demo.
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author: Miloslav Ciz
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license: CC0
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*/
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#include <SDL2/SDL.h>
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#include <stdio.h>
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#include <time.h>
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#define RCL_COMPUTE_FLOOR_TEXCOORDS 1
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#define RCL_HORIZONTAL_FOV (RCL_UNITS_PER_SQUARE / 5)
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#define RCL_VERTICAL_FOV RCL_UNITS_PER_SQUARE // redefine camera vertical FOV
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#define RCL_PIXEL_FUNCTION pixelFunc
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#include "../raycastlib.h"
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#define LEVEL_X_RES 29
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#define LEVEL_Y_RES 21
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#define SCREEN_WIDTH 800
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#define SCREEN_HEIGHT 600
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#define MIDDLE_ROW (SCREEN_HEIGHT / 2)
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#define max(a,b) ((a) > (b) ? (a) : (b))
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#define KEYS 8
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#define KEY_UP 0
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#define KEY_RIGHT 1
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#define KEY_DOWN 2
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#define KEY_LEFT 3
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#define KEY_Q 4
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#define KEY_W 5
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#define KEY_A 6
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#define KEY_S 7
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int keys[KEYS];
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unsigned long frame = 0;
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RCL_Camera camera;
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uint32_t pixels[SCREEN_WIDTH * SCREEN_HEIGHT];
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uint32_t pixelCounter[SCREEN_WIDTH * SCREEN_HEIGHT];
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typedef struct
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{
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unsigned char *mImage;
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RCL_Vector2D mPosition;
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RCL_Unit mHeight;
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RCL_Unit mPixelSize;
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} Sprite;
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uint32_t palette[256];
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#define SPRITES 7
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#define SPRITE_MAX_DISTANCE 5 * RCL_UNITS_PER_SQUARE
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// For each level square says the texture index.
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const unsigned char levelTexture[] =
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{
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
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1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 0, 3, 3, 2, 2, 2, 2, // 0 20
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1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 1 19
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1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, // 2 18
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1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 3 17
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1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, // 4 16
|
||||
1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 1, 1, 2, // 5 15
|
||||
1, 0, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 6 14
|
||||
1, 0, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 2, // 7 13
|
||||
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, 2, // 8 12
|
||||
1, 1, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 9 11
|
||||
1, 1, 1, 1, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 10 10
|
||||
1, 1, 1, 1, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, // 11 9
|
||||
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, 2, // 12 8
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 13 7
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, // 14 6
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 15 5
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 16 4
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 17 3
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 18 2
|
||||
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, // 19 1
|
||||
1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3 // 20 0
|
||||
};
|
||||
|
||||
// For each level square says the floor height.
|
||||
const signed char levelFloor[] =
|
||||
{
|
||||
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
|
||||
40,40,40,40,40,40,40,40,48,40,48,40,40,40,40,40,40,48,40,48,40,48,40,48,48,24,24,26,28, // 0 20
|
||||
40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,40, 2, 2, 2,40,32,32,32,32,32,32,32,48, 2, 2, 2,26, // 1 19
|
||||
40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,40, 2, 2, 2,40, 0, 0, 0, 0, 0,32,32,40, 2, 2, 2,26, // 2 18
|
||||
40,16,12, 8, 4, 0,48, 0, 0, 0, 0, 0,24, 2,24, 8,24, 0, 0, 9, 9, 0,28,32,48, 2, 2, 2,24, // 3 17
|
||||
40,20,48,48,48,48,48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 0,24,32,40, 0, 0, 0,24, // 4 16
|
||||
40,24,48,40,40,40,40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,20,32,48, 0, 0, 0,24, // 5 15
|
||||
40,28,32,32,32,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 8,12,16,32,40, 0, 0, 0,24, // 6 14
|
||||
40,32,32,32,32,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,32,32,32,32,32,48, 0, 0, 0,24, // 7 13
|
||||
40, 0,48,40,40,40,40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,-3,-8,-8,-5,-2, 0, 0, 0, 0,24, // 8 12
|
||||
40, 0,-3,-8,-8,-8,32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,32,-3,-8,-8, 0, 0, 0, 0, 0, 0,24, // 9 11
|
||||
40, 0,-6,-8,-8,-8,32, 0, 0, 0,48,48, 0,48,48, 0, 0,36,32,36,-8,-8, 0, 0, 0, 0, 0, 0,24, // 10 10
|
||||
40, 0,48,-8,-8,-8,32,32,32,32,40, 1, 0, 1,40,32,32,32,32,32,-8,-8, 0, 0, 0, 0, 0, 0,24, // 11 9
|
||||
40, 0,48,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0,-8,-8,-8,36,32,36,-8,-8, 0, 0, 0, 0, 0, 0,24, // 12 8
|
||||
40, 0,48,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0,-8,-8,-8,-8,-8,-8,-8,-8, 0, 0, 0, 0, 0, 0,24, // 13 7
|
||||
40, 0,48, 0,-2,-2, 0,-8,-8,-8,-8, 0, 0, 0,-8,-8, 0, 0, 0, 0, 0, 0, 0, 0,24,24,10,24,24, // 14 6
|
||||
40, 0, 0, 0,-2,-2, 0, 0, 0, 0, 8, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 15 5
|
||||
40, 0, 0, 0,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 16 4
|
||||
40,24,48,-2,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, // 17 3
|
||||
0,24,48,48,-2,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, // 18 2
|
||||
0,24,48,48,48,-2,-2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,24, 0, 0, 0,24, // 19 1
|
||||
0,24,24,24,32,32,32,27,24,27,30,34,36,38,36,34,36,34,34,32,32,33,37,39,24,24,24,24,24 // 20 0
|
||||
};
|
||||
|
||||
#define XX 127 // helper to keep a big number two-characters, for formatting
|
||||
|
||||
// For each level square says the ceiling height.
|
||||
const signed char levelCeiling[] =
|
||||
{
|
||||
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
|
||||
40,40,40,40,40,40,40,XX,XX,XX,XX,36,40,40,40,40,40,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 0 20
|
||||
40,50,50,50,45,40,20,XX,XX,XX,XX,36,40,30,30,30,XX,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 1 19
|
||||
40,50,50,50,45,40,20,XX,XX,XX,XX,36,40,30,30,30,XX,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 2 18
|
||||
40,50,50,50,45,40,48,XX,XX,XX,XX,36,24,24,24,24,24,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 3 17
|
||||
40,50,48,48,48,48,47,XX,XX,XX,XX,36,36,36,36,36,36,36,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 4 16
|
||||
40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 5 15
|
||||
40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 6 14
|
||||
40,50,48,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 7 13
|
||||
40,50,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 8 12
|
||||
40,40,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 9 11
|
||||
40,30,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 10 10
|
||||
40,25,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 11 9
|
||||
40,20,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX, // 12 8
|
||||
40,18,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24, // 13 7
|
||||
40,18,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24, // 14 6
|
||||
40,18,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 15 5
|
||||
40,18,16,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 16 4
|
||||
40,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 17 3
|
||||
XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 18 2
|
||||
XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,25,27,29,24, // 19 1
|
||||
XX,24,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,XX,24,24,24,24,24,24 // 20 0
|
||||
};
|
||||
|
||||
#undef XX
|
||||
|
||||
const unsigned char texture1[] =
|
||||
{ 32, 32 // width, height
|
||||
,0x12,0x65,0x65,0x6d,0x24,0x64,0x5b,0x12,0x12,0x64,0x5b,0x5b,0x12,0x51
|
||||
,0x12,0x09,0x00,0x6d,0x6d,0x6d,0x24,0x5b,0x5b,0x52,0x12,0x5b,0x52,0x5b
|
||||
,0x12,0x5b,0x52,0x09,0x12,0x5b,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x00,0x64
|
||||
,0x64,0x52,0x52,0x52,0x5b,0x00,0x09,0x6d,0x5b,0x5a,0x5b,0x5b,0x5a,0x51
|
||||
,0x12,0x64,0x5b,0x52,0x5b,0x52,0x5b,0x08,0x12,0x24,0x5b,0x5b,0x5b,0x5b
|
||||
,0x09,0x11,0x00,0x64,0x5b,0x5b,0x5a,0x09,0x09,0x08,0x00,0x5b,0x5b,0x5b
|
||||
,0x5a,0x64,0x12,0x51,0x00,0x64,0x5b,0x52,0x52,0x11,0x09,0x09,0x12,0x24
|
||||
,0x5b,0x5b,0x52,0x5a,0x12,0x09,0x00,0x5b,0x52,0x09,0x12,0x09,0x09,0x09
|
||||
,0x00,0x24,0x5a,0x5a,0x5b,0x51,0x12,0x08,0x09,0x25,0x5b,0x52,0x5b,0x52
|
||||
,0x11,0x09,0x12,0x64,0x5b,0x52,0x09,0x11,0x12,0x09,0x00,0x12,0x00,0x12
|
||||
,0x00,0x00,0x00,0x08,0x09,0x64,0x5b,0x51,0x12,0x11,0x12,0x08,0x09,0x64
|
||||
,0x5a,0x5b,0x12,0x12,0x09,0x09,0x12,0x65,0x5c,0x52,0x5a,0x5b,0x51,0x09
|
||||
,0x00,0x64,0x6d,0x6d,0x5c,0x65,0x64,0x09,0x00,0x24,0x64,0x5b,0x09,0x12
|
||||
,0x11,0x00,0x09,0x64,0x5b,0x52,0x52,0x12,0x12,0x08,0x00,0x64,0x52,0x52
|
||||
,0x52,0x52,0x5b,0x09,0x00,0x6d,0x5b,0x5b,0x52,0x5b,0x51,0x09,0x00,0x1b
|
||||
,0x5b,0x12,0x12,0x12,0x12,0x09,0x12,0x5b,0x11,0x09,0x11,0x09,0x09,0x09
|
||||
,0x09,0x5b,0x09,0x09,0x09,0x09,0x09,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52
|
||||
,0x5b,0x09,0x00,0x64,0x12,0x63,0x5b,0x12,0x5b,0x09,0x00,0x00,0x00,0x00
|
||||
,0x00,0x09,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x5b
|
||||
,0x64,0x5b,0x09,0x5b,0x52,0x09,0x09,0x5b,0x11,0x52,0x09,0x12,0x09,0x08
|
||||
,0x00,0x1b,0x1b,0x23,0x1b,0x5a,0x5b,0x11,0x12,0x64,0x64,0x6d,0x24,0x5b
|
||||
,0x5b,0x09,0x00,0x5b,0x5a,0x52,0x52,0x09,0x08,0x09,0x12,0x5b,0x52,0x11
|
||||
,0x5a,0x11,0x12,0x08,0x08,0x1b,0x52,0x52,0x5b,0x5a,0x09,0x09,0x12,0x64
|
||||
,0x5b,0x64,0x12,0x12,0x12,0x08,0x00,0x00,0x00,0x12,0x09,0x00,0x09,0x00
|
||||
,0x12,0x24,0x5a,0x52,0x12,0x12,0x12,0x08,0x12,0x1b,0x12,0x5a,0x49,0x5a
|
||||
,0x52,0x09,0x12,0x6d,0x5b,0x52,0x5a,0x12,0x09,0x09,0x12,0x65,0x64,0x6d
|
||||
,0x6d,0x64,0x64,0x5b,0x00,0x5a,0x08,0x08,0x09,0x09,0x08,0x09,0x00,0x5b
|
||||
,0x5a,0x11,0x51,0x51,0x5a,0x09,0x12,0x6d,0x5b,0x5b,0x12,0x11,0x12,0x09
|
||||
,0x00,0x65,0x5b,0x64,0x5b,0x5b,0x5b,0x52,0x00,0x00,0x12,0x12,0x12,0x09
|
||||
,0x00,0x00,0x00,0x5a,0x52,0x52,0x09,0x52,0x09,0x09,0x12,0x63,0x5b,0x5a
|
||||
,0x09,0x5b,0x11,0x08,0x00,0x65,0x5b,0x5b,0x52,0x5b,0x52,0x52,0x00,0x65
|
||||
,0x6d,0x64,0x65,0x64,0x64,0x5b,0x00,0x5b,0x12,0x09,0x11,0x09,0x09,0x09
|
||||
,0x09,0x5b,0x11,0x08,0x09,0x09,0x09,0x08,0x00,0x64,0x64,0x5b,0x5b,0x5b
|
||||
,0x5b,0x09,0x00,0x5b,0x5b,0x5b,0x5b,0x5b,0x52,0x52,0x00,0x64,0x51,0x52
|
||||
,0x52,0x52,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x00,0x00,0x5b
|
||||
,0x5b,0x5b,0x52,0x52,0x5b,0x09,0x12,0x65,0x5b,0x5b,0x5b,0x52,0x5b,0x09
|
||||
,0x00,0x63,0x5a,0x51,0x51,0x51,0x5a,0x08,0x12,0x24,0x64,0x65,0x24,0x64
|
||||
,0x64,0x5b,0x00,0x5b,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x64,0x5b,0x5b
|
||||
,0x12,0x52,0x5a,0x09,0x12,0x24,0x52,0x52,0x09,0x52,0x52,0x08,0x12,0x64
|
||||
,0x64,0x5b,0x5b,0x5b,0x64,0x52,0x00,0x6d,0x5b,0x52,0x5b,0x52,0x52,0x08
|
||||
,0x00,0x5b,0x5b,0x52,0x52,0x5b,0x52,0x09,0x00,0x1b,0x52,0x51,0x5a,0x52
|
||||
,0x09,0x09,0x12,0x64,0x52,0x5c,0x5b,0x64,0x5b,0x51,0x09,0x6d,0x5b,0x52
|
||||
,0x5b,0x52,0x11,0x09,0x00,0x64,0x5a,0x64,0x5b,0x52,0x5b,0x08,0x00,0x11
|
||||
,0x09,0x49,0x08,0x09,0x00,0x09,0x00,0x64,0x64,0x5b,0x52,0x5b,0x5b,0x09
|
||||
,0x12,0x65,0x64,0x5b,0x52,0x5b,0x52,0x09,0x12,0x64,0x64,0x64,0x52,0x09
|
||||
,0x5c,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x12,0x64,0x5b,0x64
|
||||
,0x52,0x5b,0x52,0x49,0x00,0x64,0x5b,0x52,0x52,0x5b,0x51,0x09,0x09,0x5b
|
||||
,0x09,0x09,0x09,0x08,0x09,0x12,0x00,0x6d,0x24,0x6d,0x24,0x64,0x64,0x5b
|
||||
,0x00,0x64,0x63,0x5b,0x5b,0x52,0x52,0x09,0x12,0x64,0x5b,0x5b,0x52,0x11
|
||||
,0x5b,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x09,0x12,0x6d,0x64,0x5b
|
||||
,0x52,0x64,0x5b,0x52,0x12,0x6d,0x5b,0x5b,0x5b,0x5b,0x5b,0x09,0x00,0x64
|
||||
,0x11,0x5a,0x52,0x5b,0x52,0x09,0x00,0x5b,0x5a,0x63,0x5a,0x23,0x12,0x00
|
||||
,0x12,0x6d,0x5b,0x11,0x5b,0x64,0x64,0x52,0x12,0x63,0x5b,0x5b,0x5b,0x5b
|
||||
,0x52,0x08,0x00,0x5c,0x52,0x5b,0x5b,0x52,0x52,0x08,0x08,0x5b,0x52,0x51
|
||||
,0x09,0x52,0x5a,0x09,0x00,0x6d,0x52,0x11,0x52,0x5b,0x52,0x09,0x12,0x64
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
,0x1b,0x24,0x64,0x08,0x12,0x64,0x5b,0x52,0x5b,0x5b,0x52,0x09,0x00,0x5b
|
||||
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|
||||
,0x00,0x5b,0x5b,0x11,0x5b,0x5b,0x5b,0x08,0x09,0x5b,0x12,0x52,0x52,0x09
|
||||
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|
||||
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|
||||
,0x09,0x09,0x12,0x00,0x12,0x00,0x00,0x64,0x52,0x5b,0x52,0x5b,0x52,0x09
|
||||
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|
||||
,0x52,0x09
|
||||
};
|
||||
|
||||
const unsigned char texture2[] =
|
||||
{ 32, 32 // width, height
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
,0x14,0x25,0x25,0x1d,0x14,0x1d,0x14,0x13,0x01,0x25,0x6e,0x25,0x25,0x25
|
||||
,0x1d,0x1c,0x01,0x0a,0x14,0x14,0x5d,0x14,0x14,0x0a,0x1d,0x5d,0x1c,0x6e
|
||||
,0x1d,0x65,0x5d,0x1d,0x0a,0x01,0x14,0x1c,0x25,0x0a,0x01,0x12,0x1c,0x0b
|
||||
,0x01,0x1c,0x14,0x25,0x0b,0x1b,0x25,0x14,0x25,0x02,0x1d,0x25,0x1d,0x09
|
||||
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|
||||
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|
||||
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|
||||
,0x77,0x66,0x1c,0x1c,0x6e,0x6f,0x6f,0x77,0x7f,0x77,0x5e,0x6e,0x6f,0x67
|
||||
,0x6f,0x6f,0x0a,0x0a,0x66,0x67,0x66,0x25,0x13,0x1c,0x24,0x14,0x25,0x1c
|
||||
,0x0b,0x1d,0x6e,0x77,0x7f,0x77,0x5e,0x1c,0x65,0x6f,0x7f,0x6e,0x6f,0x77
|
||||
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|
||||
,0x0a,0x09,0x13,0x12,0x1d,0x66,0x6f,0x66,0x5e,0x6e,0x66,0x25,0x14,0x25
|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
,0x66,0x25
|
||||
};
|
||||
|
||||
const unsigned char texture3[] =
|
||||
{ 32, 32 // width, height
|
||||
,0xb6,0x3d,0x33,0x33,0x3e,0x33,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x29,0x29
|
||||
,0x2a,0x29,0x10,0x10,0x10,0x49,0x58,0x99,0x50,0x50,0x10,0x4b,0x54,0x54
|
||||
,0x55,0x55,0x4a,0x49,0x29,0x3d,0x3d,0x7c,0x3d,0x33,0x34,0x3d,0x33,0x33
|
||||
,0x33,0x20,0x20,0x29,0x10,0x20,0x10,0x50,0x10,0x49,0x10,0x99,0x51,0x51
|
||||
,0x33,0x10,0x53,0x66,0x67,0x15,0x54,0x4b,0x7f,0x33,0x7f,0x3d,0x3e,0x3d
|
||||
,0x33,0x3d,0x29,0x29,0x2a,0x20,0x20,0x2a,0x10,0x20,0x10,0x51,0x50,0x50
|
||||
,0x58,0x51,0x51,0x51,0x33,0x33,0x10,0x55,0x5e,0x67,0x26,0x66,0x29,0x7f
|
||||
,0x3e,0x3d,0x3d,0x33,0x3d,0x33,0x29,0x10,0x10,0x20,0x33,0x10,0x10,0x2a
|
||||
,0x58,0x59,0x50,0x10,0x51,0x51,0x10,0x51,0x52,0x37,0x37,0x10,0x10,0x5d
|
||||
,0x53,0x55,0x6c,0x3e,0x3d,0x33,0x33,0x3d,0x33,0x29,0x10,0x2a,0x20,0x20
|
||||
,0x29,0x20,0x10,0x10,0x58,0x10,0x10,0x10,0x58,0x49,0x51,0x99,0x49,0x37
|
||||
,0x37,0x33,0x33,0x10,0x10,0x49,0x7f,0x7f,0x33,0x3d,0x3d,0x7f,0x33,0x3e
|
||||
,0x29,0x2a,0x29,0x2a,0x29,0x2a,0x20,0x20,0x20,0x50,0x51,0x10,0x58,0x51
|
||||
,0x51,0x99,0x49,0x00,0x33,0x10,0x10,0x10,0x10,0x10,0x3d,0x7f,0x3d,0x33
|
||||
,0x3d,0x3d,0x33,0x2a,0x2a,0x20,0x29,0x29,0x29,0x10,0x20,0x19,0x10,0x19
|
||||
,0x51,0x50,0x58,0x51,0x49,0x99,0x00,0x00,0x10,0x10,0x33,0x33,0x33,0x10
|
||||
,0x3d,0x7f,0x7f,0x33,0x3e,0x33,0x33,0x33,0x29,0x20,0x33,0x2a,0x20,0x58
|
||||
,0x58,0x19,0x19,0x51,0x10,0x51,0x59,0x51,0x51,0x51,0x00,0x10,0x10,0x00
|
||||
,0x00,0x10,0x10,0x10,0x3d,0xb6,0x2a,0x3e,0x33,0x3d,0x33,0x3d,0x2a,0x10
|
||||
,0x20,0x2a,0x10,0x58,0x58,0x19,0x50,0x19,0x58,0x10,0x58,0x99,0x51,0x49
|
||||
,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x3d,0x2a,0x6c,0x3d,0x3e,0x33
|
||||
,0x33,0x29,0x33,0x29,0x10,0x29,0x20,0x69,0x58,0x10,0x19,0x10,0x99,0x10
|
||||
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};
|
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|
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const unsigned char texture4[] =
|
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{ 32, 32 // width, height
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|
||||
,0xad,0x64,0x5b,0x00,0x1b,0x0a,0x09,0x0a,0x0a,0x09,0x09,0x09,0x09,0x09
|
||||
,0x09,0x09,0x09,0x09,0x09,0x00,0x12,0x12,0x5b,0x5b,0x5b,0x5b,0x12,0x00
|
||||
,0xad,0xad,0xad,0x64,0xad,0x64,0x5b,0x00,0x13,0x09,0x0a,0x09,0x09,0x09
|
||||
,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x00,0x09,0x12,0x5b,0x5b
|
||||
,0x5b,0x12,0x5b,0x00,0xad,0xad,0x64,0x64,0xad,0x64,0x5b,0x00,0x0a,0x00
|
||||
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
|
||||
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xad,0x64,0xad,0x64,0xad,0x64
|
||||
,0x12,0x00
|
||||
};
|
||||
|
||||
const unsigned char *textures[] = {texture1, texture2, texture3, texture4};
|
||||
|
||||
void clearScreen()
|
||||
{
|
||||
memset(pixels,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
|
||||
}
|
||||
|
||||
void clearPixelCounter()
|
||||
{
|
||||
memset(pixelCounter,0,SCREEN_WIDTH * SCREEN_HEIGHT * sizeof(uint32_t));
|
||||
}
|
||||
|
||||
static inline uint8_t rgbToIndex(uint8_t r, uint8_t g, uint8_t b)
|
||||
{
|
||||
return (r & 7) | ((g & 7) << 3) | ((b & 7) << 6);
|
||||
}
|
||||
|
||||
uint8_t sampleImage(const unsigned char *image, RCL_Unit x, RCL_Unit y)
|
||||
{
|
||||
x = RCL_wrap(x,RCL_UNITS_PER_SQUARE);
|
||||
y = RCL_wrap(y,RCL_UNITS_PER_SQUARE);
|
||||
|
||||
int32_t index =
|
||||
image[1] * ((image[0] * x) / RCL_UNITS_PER_SQUARE) +
|
||||
(image[0] * y) / RCL_UNITS_PER_SQUARE;
|
||||
|
||||
return image[2 + index];
|
||||
}
|
||||
|
||||
uint8_t addIntensity(uint8_t color, int16_t intensity)
|
||||
{
|
||||
uint8_t r = color & 7;
|
||||
uint8_t g = (color & 56) >> 3;
|
||||
uint8_t b = (color & 172) >> 6;
|
||||
|
||||
if (intensity >= 0)
|
||||
{
|
||||
r += intensity;
|
||||
r = r > 7 ? 7 : r;
|
||||
|
||||
g += intensity;
|
||||
g = g > 7 ? 7 : g;
|
||||
|
||||
b += intensity / 2;
|
||||
b = b > 3 ? 3 : b;
|
||||
}
|
||||
else
|
||||
{
|
||||
intensity *= -1;
|
||||
r = (intensity > r) ? 0 : r - intensity;
|
||||
g = (intensity > g) ? 0 : g - intensity;
|
||||
intensity /= 2;
|
||||
b = intensity > b ? 0 : b - intensity;
|
||||
}
|
||||
|
||||
return rgbToIndex(r,g,b);
|
||||
}
|
||||
|
||||
RCL_Unit textureAt(int16_t x, int16_t y)
|
||||
{
|
||||
if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
|
||||
return levelTexture[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
RCL_Unit floorHeightAt(int16_t x, int16_t y)
|
||||
{
|
||||
if (x == 6 && (y == 13 || y == 14)) // moving lift
|
||||
return ((RCL_absVal(-1 * (frame % 64) + 32)) * RCL_UNITS_PER_SQUARE) / 8;
|
||||
|
||||
if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
|
||||
return (levelFloor[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x] * RCL_UNITS_PER_SQUARE) / 8;
|
||||
|
||||
int a = RCL_absVal(x - LEVEL_X_RES / 2) - LEVEL_X_RES / 2;
|
||||
int b = RCL_absVal(y - LEVEL_Y_RES / 2) - LEVEL_Y_RES / 2;
|
||||
|
||||
return (a > b ? a : b) * RCL_UNITS_PER_SQUARE;
|
||||
}
|
||||
|
||||
RCL_Unit ceilingHeightAt(int16_t x, int16_t y)
|
||||
{
|
||||
int v = 1024;
|
||||
|
||||
if (x >= 0 && x < LEVEL_X_RES && y >= 0 && y < LEVEL_Y_RES)
|
||||
v = levelCeiling[(LEVEL_Y_RES - y -1) * LEVEL_X_RES + x];
|
||||
|
||||
return (v * RCL_UNITS_PER_SQUARE) / 8;
|
||||
}
|
||||
|
||||
/**
|
||||
Function for drawing a single pixel (like fragment shader). Bottleneck =>
|
||||
should be as fast as possible.
|
||||
*/
|
||||
void pixelFunc(RCL_PixelInfo *pixel)
|
||||
{
|
||||
uint8_t c;
|
||||
|
||||
if (pixel->isWall)
|
||||
c = sampleImage(textures[pixel->hit.type],pixel->texCoords.x,pixel->texCoords.y);
|
||||
else
|
||||
c = pixel->height == RCL_FLOOR_TEXCOORDS_HEIGHT ?
|
||||
sampleImage(textures[0],pixel->texCoords.x,pixel->texCoords.y) : 0b00010001;
|
||||
|
||||
int intensity = pixel->depth - 8 * RCL_UNITS_PER_SQUARE;
|
||||
intensity = intensity < 0 ? 0 : intensity;
|
||||
intensity = (intensity * 32) / RCL_UNITS_PER_SQUARE;
|
||||
|
||||
int32_t color = palette[c];
|
||||
|
||||
int32_t r = ((color & 0xFF000000) >> 24) - intensity;
|
||||
r = r > 0 ? r : 0;
|
||||
r = r << 24;
|
||||
|
||||
int32_t g = ((color & 0x00FF0000) >> 16) - intensity;
|
||||
g = g > 0 ? g : 0;
|
||||
g = g << 16;
|
||||
|
||||
int32_t b = ((color & 0x0000FF00) >> 8) - intensity;
|
||||
b = b > 0 ? b : 0;
|
||||
b = b << 8;
|
||||
|
||||
int32_t index = pixel->position.y * SCREEN_WIDTH + pixel->position.x;
|
||||
|
||||
pixels[index] = r | g | b;
|
||||
pixelCounter[index]++;
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
RCL_RayConstraints c;
|
||||
|
||||
c.maxHits = 32;
|
||||
c.maxSteps = 32;
|
||||
|
||||
RCL_renderComplex(camera,floorHeightAt,ceilingHeightAt,textureAt,c);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
for (uint8_t r = 0; r < 8; ++r)
|
||||
for (uint8_t g = 0; g < 8; ++g)
|
||||
for (uint8_t b = 0; b < 4; ++b)
|
||||
palette[rgbToIndex(r,g,b)] = ((36 * r) << 24) | ((36 * g) << 16) | ((85 * b) << 8);
|
||||
|
||||
camera.position.x = 11237;
|
||||
camera.position.y = 12392;
|
||||
camera.shear = -50;
|
||||
camera.direction = -415;
|
||||
camera.height = 4648;
|
||||
camera.resolution.x = SCREEN_WIDTH;
|
||||
camera.resolution.y = SCREEN_HEIGHT;
|
||||
|
||||
SDL_Window *window = SDL_CreateWindow("raycasting", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
|
||||
SDL_Renderer *renderer = SDL_CreateRenderer(window,-1,0);
|
||||
SDL_Texture *texture = SDL_CreateTexture(renderer,SDL_PIXELFORMAT_RGBX8888, SDL_TEXTUREACCESS_STATIC, SCREEN_WIDTH, SCREEN_HEIGHT);
|
||||
SDL_Surface *screenSurface = SDL_GetWindowSurface(window);
|
||||
SDL_Event event;
|
||||
|
||||
int running = 1;
|
||||
int fps = 0;
|
||||
|
||||
clock_t nextT;
|
||||
|
||||
while (running)
|
||||
{
|
||||
draw();
|
||||
fps++;
|
||||
|
||||
SDL_UpdateTexture(texture,NULL,pixels,SCREEN_WIDTH * sizeof(uint32_t));
|
||||
|
||||
while (SDL_PollEvent(&event))
|
||||
{
|
||||
int newState = 0;
|
||||
int keyIndex = -1;
|
||||
|
||||
switch (event.type)
|
||||
{
|
||||
case SDL_KEYDOWN:
|
||||
newState = 1;
|
||||
case SDL_KEYUP:
|
||||
switch (event.key.keysym.scancode)
|
||||
{
|
||||
case SDL_SCANCODE_ESCAPE: running = 0; break;
|
||||
case SDL_SCANCODE_UP: keyIndex = KEY_UP; break;
|
||||
case SDL_SCANCODE_RIGHT: keyIndex = KEY_RIGHT; break;
|
||||
case SDL_SCANCODE_DOWN: keyIndex = KEY_DOWN; break;
|
||||
case SDL_SCANCODE_LEFT: keyIndex = KEY_LEFT; break;
|
||||
case SDL_SCANCODE_Q: keyIndex = KEY_Q; break;
|
||||
case SDL_SCANCODE_W: keyIndex = KEY_W; break;
|
||||
case SDL_SCANCODE_A: keyIndex = KEY_A; break;
|
||||
case SDL_SCANCODE_S: keyIndex = KEY_S; break;
|
||||
default: break;
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_QUIT:
|
||||
running = 0;
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (keyIndex >= 0)
|
||||
keys[keyIndex] = newState;
|
||||
}
|
||||
|
||||
int step = 1;
|
||||
int step2 = 5;
|
||||
|
||||
RCL_Vector2D direction = RCL_angleToDirection(camera.direction);
|
||||
|
||||
direction.x /= 10;
|
||||
direction.y /= 10;
|
||||
|
||||
if (keys[KEY_UP])
|
||||
{
|
||||
camera.position.x += step * direction.x;
|
||||
camera.position.y += step * direction.y;
|
||||
}
|
||||
else if (keys[KEY_DOWN])
|
||||
{
|
||||
camera.position.x -= step * direction.x;
|
||||
camera.position.y -= step * direction.y;
|
||||
}
|
||||
|
||||
if (keys[KEY_Q])
|
||||
camera.height += step * 100;
|
||||
else if (keys[KEY_W])
|
||||
camera.height -= step * 100;
|
||||
|
||||
if (keys[KEY_RIGHT])
|
||||
camera.direction += step2;
|
||||
else if (keys[KEY_LEFT])
|
||||
camera.direction -= step2;
|
||||
|
||||
const int shearAdd = 10;
|
||||
|
||||
if (keys[KEY_A])
|
||||
camera.shear = camera.shear + shearAdd <= SCREEN_HEIGHT ? camera.shear + shearAdd : SCREEN_HEIGHT;
|
||||
else if (keys[KEY_S])
|
||||
camera.shear = camera.shear - shearAdd >= -1 * SCREEN_HEIGHT ? camera.shear - shearAdd : -1 * SCREEN_HEIGHT;
|
||||
|
||||
SDL_RenderClear(renderer);
|
||||
SDL_RenderCopy(renderer,texture,NULL,NULL);
|
||||
SDL_RenderPresent(renderer);
|
||||
|
||||
clock_t nowT = clock();
|
||||
|
||||
double timeDiff = ((double) (nowT - nextT)) / CLOCKS_PER_SEC;
|
||||
|
||||
fps++;
|
||||
|
||||
if (timeDiff >= 1.0)
|
||||
{
|
||||
nextT = nowT;
|
||||
printf("FPS: %d\n",fps);
|
||||
fps = 0;
|
||||
}
|
||||
|
||||
frame++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
148
programs/testTerminal.c
Normal file
148
programs/testTerminal.c
Normal file
|
|
@ -0,0 +1,148 @@
|
|||
/*
|
||||
Raycasting terminal test.
|
||||
|
||||
author: Miloslav Ciz
|
||||
license: CC0
|
||||
*/
|
||||
|
||||
#define RCL_PIXEL_FUNCTION pixelFunc
|
||||
#define RCL_COMPUTE_WALL_TEXCOORDS 0
|
||||
#define RCL_COMPUTE_FLOOR_DEPTH 0
|
||||
#define RCL_COMPUTE_CEILING_DEPTH 0
|
||||
|
||||
#include <stdio.h>
|
||||
#include "../raycastlib.h"
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#define LEVEL_W 20
|
||||
#define LEVEL_H 15
|
||||
|
||||
#define SCREEN_W 80
|
||||
#define SCREEN_H 40
|
||||
|
||||
char pixels[SCREEN_W * SCREEN_H];
|
||||
RCL_Camera camera;
|
||||
|
||||
const int8_t level[LEVEL_W * LEVEL_H] =
|
||||
{
|
||||
/* 11 13 15 17 19
|
||||
0 1 2 3 4 5 6 7 8 9 10 12 14 16 18 */
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, // 0
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, // 1
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,0, // 2
|
||||
1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0, // 3
|
||||
0,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0,0,1,0,0, // 4
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0, // 5
|
||||
1,1,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0, // 6
|
||||
0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0, // 7
|
||||
0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,1,1,1, // 8
|
||||
0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0, // 9
|
||||
0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,1, // 10
|
||||
0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,1,0,0,1, // 11
|
||||
0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0, // 12
|
||||
0,0,0,0,0,1,0,0,0,1,1,1,0,0,1,0,0,0,0,0, // 13
|
||||
0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0 // 14
|
||||
};
|
||||
|
||||
RCL_Unit heightAt(int16_t x, int16_t y)
|
||||
{
|
||||
int32_t index = y * LEVEL_W + x;
|
||||
|
||||
if (index < 0 || (index >= LEVEL_W * LEVEL_H))
|
||||
return RCL_UNITS_PER_SQUARE * 2;
|
||||
|
||||
return level[y * LEVEL_W + x] * RCL_UNITS_PER_SQUARE * 2;
|
||||
}
|
||||
|
||||
void pixelFunc(RCL_PixelInfo *p)
|
||||
{
|
||||
char c = ' ';
|
||||
|
||||
if (p->isWall)
|
||||
{
|
||||
switch (p->hit.direction)
|
||||
{
|
||||
case 0: c = 'X'; break;
|
||||
case 1: c = '#'; break;
|
||||
case 2: c = 'o'; break;
|
||||
case 3:
|
||||
default: c = '.'; break;
|
||||
}
|
||||
}
|
||||
|
||||
pixels[p->position.y * SCREEN_W + p->position.x] = c;
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
for (int i = 0; i < 15; ++i)
|
||||
printf("\n");
|
||||
|
||||
RCL_RayConstraints c;
|
||||
|
||||
RCL_initRayConstraints(&c);
|
||||
|
||||
c.maxHits = 1;
|
||||
c.maxSteps = 40;
|
||||
|
||||
//RCL_renderSimple(camera,heightAt,0,0,c);
|
||||
RCL_renderComplex(camera,heightAt,0,0,c);
|
||||
|
||||
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");
|
||||
}
|
||||
}
|
||||
|
||||
int dx = 1;
|
||||
int dy = 0;
|
||||
int dr = 1;
|
||||
int frame = 0;
|
||||
|
||||
int main()
|
||||
{
|
||||
RCL_initCamera(&camera);
|
||||
camera.position.x = 2 * RCL_UNITS_PER_SQUARE;
|
||||
camera.position.y = 2 * RCL_UNITS_PER_SQUARE;
|
||||
camera.direction = 0;
|
||||
camera.resolution.x = SCREEN_W;
|
||||
camera.resolution.y = SCREEN_H;
|
||||
|
||||
for (int i = 0; i < 10000; ++i)
|
||||
{
|
||||
draw();
|
||||
|
||||
int squareX = RCL_divRoundDown(camera.position.x,RCL_UNITS_PER_SQUARE);
|
||||
int squareY = RCL_divRoundDown(camera.position.y,RCL_UNITS_PER_SQUARE);
|
||||
|
||||
if (rand() % 100 == 0)
|
||||
{
|
||||
dx = 1 - rand() % 3;
|
||||
dy = 1 - rand() % 3;
|
||||
dr = 1 - rand() % 3;
|
||||
}
|
||||
|
||||
while (heightAt(squareX + dx,squareY + dy) > 0)
|
||||
{
|
||||
dx = 1 - rand() % 3;
|
||||
dy = 1 - rand() % 3;
|
||||
dr = 1 - rand() % 3;
|
||||
}
|
||||
|
||||
camera.position.x += dx * 200;
|
||||
camera.position.y += dy * 200;
|
||||
camera.direction += dr * 10;
|
||||
|
||||
camera.height = RCL_UNITS_PER_SQUARE + RCL_sinInt(frame * 16) / 2;
|
||||
|
||||
usleep(100000);
|
||||
|
||||
frame++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue