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https://github.com/Cubitect/cubiomes.git
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Made compatible with g++ and clang compilers + better docu for getting started.
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Cubitect
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196
util.c
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196
util.c
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#include "util.h"
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#include "layers.h"
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#include <stdio.h>
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#include <string.h>
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void setBiomeColour(unsigned char biomeColour[256][3], int biome,
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unsigned char r, unsigned char g, unsigned char b)
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{
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biomeColour[biome][0] = r;
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biomeColour[biome][1] = g;
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biomeColour[biome][2] = b;
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}
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void initBiomeColours(unsigned char biomeColours[256][3])
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{
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// This colouring scheme is taken from the AMIDST program:
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// https://github.com/toolbox4minecraft/amidst
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// https://sourceforge.net/projects/amidst.mirror/
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memset(biomeColours, 0, 256*3);
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setBiomeColour(biomeColours, ocean, 0, 0, 112);
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setBiomeColour(biomeColours, plains,141, 179, 96);
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setBiomeColour(biomeColours, desert, 250, 148, 24);
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setBiomeColour(biomeColours, mountains, 96, 96, 96);
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setBiomeColour(biomeColours, forest, 5, 102, 33);
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setBiomeColour(biomeColours, taiga, 11, 102, 89);
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setBiomeColour(biomeColours, swamp, 7, 249, 178);
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setBiomeColour(biomeColours, river, 0, 0, 255);
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setBiomeColour(biomeColours, hell, 255, 0, 0);
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setBiomeColour(biomeColours, sky, 128, 128, 255);
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setBiomeColour(biomeColours, frozen_ocean, 112, 112, 214);
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setBiomeColour(biomeColours, frozen_river, 160, 160, 255);
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setBiomeColour(biomeColours, snowy_tundra, 255, 255, 255);
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setBiomeColour(biomeColours, snowy_mountains, 160, 160, 160);
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setBiomeColour(biomeColours, mushroom_fields, 255, 0, 255);
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setBiomeColour(biomeColours, mushroom_field_shore, 160, 0, 255);
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setBiomeColour(biomeColours, beach, 250, 222, 85);
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setBiomeColour(biomeColours, desert_hills, 210, 95, 18);
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setBiomeColour(biomeColours, wooded_hills, 34, 85, 28);
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setBiomeColour(biomeColours, taiga_hills, 22, 57, 51);
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setBiomeColour(biomeColours, mountain_edge, 114, 120, 154);
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setBiomeColour(biomeColours, jungle, 83, 123, 9);
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setBiomeColour(biomeColours, jungle_hills, 44, 66, 5);
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setBiomeColour(biomeColours, jungleEdge, 98, 139, 23);
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setBiomeColour(biomeColours, deep_ocean, 0, 0, 48);
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setBiomeColour(biomeColours, stone_shore, 162, 162, 132);
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setBiomeColour(biomeColours, snowy_beach, 250, 240, 192);
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setBiomeColour(biomeColours, birch_forest, 48, 116, 68);
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setBiomeColour(biomeColours, birch_forest_hills, 31, 95, 50);
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setBiomeColour(biomeColours, dark_forest, 64, 81, 26);
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setBiomeColour(biomeColours, snowy_taiga, 49, 85, 74);
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setBiomeColour(biomeColours, snowy_taiga_hills, 36, 63, 54);
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setBiomeColour(biomeColours, giant_tree_taiga, 89, 102, 81);
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setBiomeColour(biomeColours, giant_tree_taiga_hills, 69, 79, 62);
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setBiomeColour(biomeColours, wooded_mountains, 80, 112, 80);
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setBiomeColour(biomeColours, savanna, 189, 178, 95);
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setBiomeColour(biomeColours, savanna_plateau, 167, 157, 100);
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setBiomeColour(biomeColours, badlands, 217, 69, 21);
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setBiomeColour(biomeColours, wooded_badlands_plateau, 176, 151, 101);
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setBiomeColour(biomeColours, badlands_plateau, 202, 140, 101);
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setBiomeColour(biomeColours, warm_ocean, 0, 0, 172);
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setBiomeColour(biomeColours, lukewarm_ocean, 0, 0, 144);
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setBiomeColour(biomeColours, cold_ocean, 32, 32, 112);
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setBiomeColour(biomeColours, deep_warm_ocean, 0, 0, 80);
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setBiomeColour(biomeColours, deep_lukewarm_ocean, 0, 0, 64);
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setBiomeColour(biomeColours, deep_cold_ocean, 32, 32, 56);
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setBiomeColour(biomeColours, deep_frozen_ocean, 64, 64, 144);
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setBiomeColour(biomeColours, ocean+128, 0, 0, 112);
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setBiomeColour(biomeColours, plains+128, 141, 179, 96);
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setBiomeColour(biomeColours, desert+128, 250, 148, 24);
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setBiomeColour(biomeColours, mountains+128, 96, 96, 96);
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setBiomeColour(biomeColours, forest+128, 5, 102, 33);
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setBiomeColour(biomeColours, taiga+128, 11, 102, 89);
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setBiomeColour(biomeColours, swamp+128, 7, 249, 178);
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setBiomeColour(biomeColours, river+128, 0, 0, 255);
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setBiomeColour(biomeColours, hell+128, 255, 0, 0);
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setBiomeColour(biomeColours, sky+128, 128, 128, 255);
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setBiomeColour(biomeColours, frozen_ocean+128, 144, 144, 160);
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setBiomeColour(biomeColours, frozen_river+128, 160, 160, 255);
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setBiomeColour(biomeColours, snowy_tundra+128, 140, 180, 180);
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setBiomeColour(biomeColours, snowy_mountains+128, 160, 160, 160);
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setBiomeColour(biomeColours, mushroom_fields+128, 255, 0, 255);
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setBiomeColour(biomeColours, mushroom_field_shore+128, 160, 0, 255);
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setBiomeColour(biomeColours, beach+128, 250, 222, 85);
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setBiomeColour(biomeColours, desert_hills+128, 210, 95, 18);
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setBiomeColour(biomeColours, wooded_hills+128, 34, 85, 28);
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setBiomeColour(biomeColours, taiga_hills+128, 22, 57, 51);
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setBiomeColour(biomeColours, mountain_edge+128, 114, 120, 154);
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setBiomeColour(biomeColours, jungle+128, 83, 123, 9);
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setBiomeColour(biomeColours, jungle_hills+128, 44, 66, 5);
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setBiomeColour(biomeColours, jungleEdge+128, 98, 139, 23);
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setBiomeColour(biomeColours, deep_ocean+128, 0, 0, 48);
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setBiomeColour(biomeColours, stone_shore+128, 162, 162, 132);
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setBiomeColour(biomeColours, snowy_beach+128, 250, 240, 192);
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setBiomeColour(biomeColours, birch_forest+128, 48, 116, 68);
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setBiomeColour(biomeColours, birch_forest_hills+128, 31, 95, 50);
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setBiomeColour(biomeColours, dark_forest+128, 64, 81, 26);
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setBiomeColour(biomeColours, snowy_taiga+128, 49, 85, 74);
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setBiomeColour(biomeColours, snowy_taiga_hills+128, 36, 63, 54);
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setBiomeColour(biomeColours, giant_tree_taiga+128, 89, 102, 81);
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setBiomeColour(biomeColours, giant_tree_taiga_hills+128, 69, 79, 62);
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setBiomeColour(biomeColours, wooded_mountains+128, 80, 112, 80);
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setBiomeColour(biomeColours, savanna+128, 189, 178, 95);
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setBiomeColour(biomeColours, savanna_plateau+128, 167, 157, 100);
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setBiomeColour(biomeColours, badlands+128, 217, 69, 21);
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setBiomeColour(biomeColours, wooded_badlands_plateau+128, 176, 151, 101);
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setBiomeColour(biomeColours, badlands_plateau+128, 202, 140, 101);
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setBiomeColour(biomeColours, bamboo_jungle, 118, 142, 20);
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setBiomeColour(biomeColours, bamboo_jungle_hills, 59, 71, 10);
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}
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void initBiomeTypeColours(unsigned char biomeColours[256][3])
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{
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memset(biomeColours, 0, 256*3);
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setBiomeColour(biomeColours, Oceanic, 0x00, 0x00, 0xa0);
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setBiomeColour(biomeColours, Warm, 0xff, 0xc0, 0x00);
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setBiomeColour(biomeColours, Lush, 0x00, 0xa0, 0x00);
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setBiomeColour(biomeColours, Cold, 0x60, 0x60, 0x60);
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setBiomeColour(biomeColours, Freezing, 0xff, 0xff, 0xff);
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}
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int biomesToImage(unsigned char *pixels,
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const unsigned char biomeColours[256][3], const int *biomes,
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const unsigned int sx, const unsigned int sy,
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const unsigned int pixscale, const int flip)
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{
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unsigned int i, j;
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int containsInvalidBiomes = 0;
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for (j = 0; j < sy; j++)
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{
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for (i = 0; i < sx; i++)
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{
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int id = biomes[j*sx+i]; //if (id != swamp) id = 100;
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unsigned int r, g, b;
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if (id < 0 || id >= 256)
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{
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// This may happen for some intermediate layers
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containsInvalidBiomes = 1;
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r = biomeColours[id&0x7f][0]-40; r = (r>0xff) ? 0x00 : r&0xff;
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g = biomeColours[id&0x7f][1]-40; g = (g>0xff) ? 0x00 : g&0xff;
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b = biomeColours[id&0x7f][2]-40; b = (b>0xff) ? 0x00 : b&0xff;
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}
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else
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{
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if (id < 128) {
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r = biomeColours[id][0];
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g = biomeColours[id][1];
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b = biomeColours[id][2];
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} else {
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r = biomeColours[id][0]+40; r = (r>0xff) ? 0xff : r&0xff;
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g = biomeColours[id][1]+40; g = (g>0xff) ? 0xff : g&0xff;
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b = biomeColours[id][2]+40; b = (b>0xff) ? 0xff : b&0xff;
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}
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}
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unsigned int m, n;
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for (m = 0; m < pixscale; m++) {
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for (n = 0; n < pixscale; n++) {
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int idx = pixscale * i + n;
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if (flip)
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idx += (sx * pixscale) * ((pixscale * j) + m);
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else
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idx += (sx * pixscale) * ((pixscale * (sy-1-j)) + m);
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unsigned char *pix = pixels + 3*idx;
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pix[0] = (unsigned char)r;
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pix[1] = (unsigned char)g;
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pix[2] = (unsigned char)b;
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}
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}
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}
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}
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return containsInvalidBiomes;
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}
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int savePPM(const char *path, const unsigned char *pixels, const unsigned int sx, const unsigned int sy)
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{
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FILE *fp = fopen(path, "wb");
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if (!fp)
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return -1;
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fprintf(fp, "P6\n%d %d\n255\n", sx, sy);
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int written = fwrite(pixels, sx*sy, 3, fp);
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fclose(fp);
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return (unsigned int)written != 3*sx*sy;
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}
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15
util.h
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15
util.h
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@ -0,0 +1,15 @@
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#ifndef UTIL_H_
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#define UTIL_H_
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void initBiomeColours(unsigned char biomeColours[256][3]);
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void initBiomeTypeColours(unsigned char biomeColours[256][3]);
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int biomesToImage(unsigned char *pixels,
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const unsigned char biomeColours[256][3], const int *biomes,
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const unsigned int sx, const unsigned int sy,
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const unsigned int pixscale, const int flip);
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int savePPM(const char* path, const unsigned char *pixels,
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const unsigned int sx, const unsigned int sy);
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#endif
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