Add textures
This commit is contained in:
Miloslav Číž
parent
7eecabd620
commit
c41e9a8fd9
1 changed files with 109 additions and 34 deletions
143
game.cpp
143
game.cpp
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@ -14,7 +14,95 @@
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#include "Pokitto.h"
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#include <stdlib.h>
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#define SUBSAMPLE 3
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#define SUBSAMPLE 2
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const unsigned char image[] =
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{ 32, 32 // width, height
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,0x09,0x09
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};
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uint8_t sampleImage(const unsigned char *image, Unit x, Unit y)
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{
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int32_t index = clamp(
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image[1] * ((image[1] * y) / UNITS_PER_SQUARE) +
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(image[0] * x) / UNITS_PER_SQUARE,
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0, image[0] * image[1] - 1);
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return image[2 + index];
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}
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// r: 3 bits, g: 3 bits, b: 2 bits
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inline uint8_t rgbToIndex(uint8_t r, uint8_t g, uint8_t b)
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@ -46,9 +134,9 @@ public:
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Character()
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{
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mCamera.position.x = 7695; // UNITS_PER_SQUARE * 4;
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mCamera.position.y = 7697; //UNITS_PER_SQUARE * 5;
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mCamera.direction = -500; //0;
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mCamera.position.x = 14337; // UNITS_PER_SQUARE * 4;
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mCamera.position.y = 7963; //UNITS_PER_SQUARE * 5;
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mCamera.direction = -340; //0;
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mCamera.fovAngle = UNITS_PER_SQUARE / 4;
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mCamera.height = 2756; //UNITS_PER_SQUARE / 2;
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mCamera.resolution.x = 110 / SUBSAMPLE;
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@ -80,25 +168,15 @@ bool dither(uint8_t intensity, uint32_t x, uint32_t y)
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inline void pixelFunc(PixelInfo pixel)
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{
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/*
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uint8_t c = 3 + (pixel.isWall == 0 ? 12 : (pixel.hit.direction * 3));
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uint8_t c;
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Unit depth = pixel.depth - UNITS_PER_SQUARE;
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#if 0
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c = pixel.isWall ? pixel.hit.direction + 4 : 1;
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if (depth < 0)
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depth = 0;
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int16_t d = depth / (UNITS_PER_SQUARE * 2);
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if (d < 0)
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d = 0;
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if (d <= 2)
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c -= d;
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else
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c = 0;
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*/
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for (uint8_t i = 0; i < SUBSAMPLE; ++i)
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p.display.drawPixel(pixel.position.x * SUBSAMPLE + i,pixel.position.y,c);
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#else
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Unit depth = pixel.depth - UNITS_PER_SQUARE;
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if (depth < 0)
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@ -109,23 +187,22 @@ int intensity = 7 - (depth * 7) / (UNITS_PER_SQUARE * 5);
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if (intensity < 0)
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intensity = 0;
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uint8_t c;
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if (pixel.isWall)
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{
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switch (pixel.hit.direction)
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{
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case 0: c = rgbToIndex(intensity,0,0); break;
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case 1: c = rgbToIndex(0,intensity,0); break;
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case 2: c = rgbToIndex(0,0,intensity / 2); break;
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case 3: c = rgbToIndex(intensity,intensity,0); break;
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default: c = 0; break;
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}
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if ((pixel.hit.direction == 0 || pixel.hit.direction == 2))
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intensity -= 2;
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if (intensity < 0)
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intensity = 0;
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}
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if (pixel.isWall)
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c = sampleImage(image,pixel.hit.textureCoord,pixel.textureCoordY);
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else
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c = rgbToIndex(intensity,intensity,intensity / 2);
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uint8_t *buf = p.display.screenbuffer;
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buf += pixel.position.x * SUBSAMPLE;
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@ -135,10 +212,8 @@ else
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*buf++ = c;
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*buf = c;
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#endif
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//for (uint8_t i = 0; i < SUBSAMPLE; ++i)
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//p.display.drawPixel(pixel.position.x * SUBSAMPLE + i,pixel.position.y,c);
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}
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unsigned short pal[256];
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@ -151,7 +226,7 @@ uint8_t a = 0;
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for (uint8_t j = 0; j < 88; ++j)
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for (uint8_t i = 0; i < 110; ++i)
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{
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p.display.drawPixel(i,j,a);
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p.display.drawPixel(i,j,sampleImage(image,i * 10,j * 9));
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++a;
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}
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return;
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