mirror of
https://github.com/Cubitect/cubiomes.git
synced 2025-08-03 17:57:34 -04:00
266 lines
10 KiB
C
266 lines
10 KiB
C
#include "generator.h"
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#include "layers.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int *allocCache(Layer *layer, int sizeX, int sizeZ)
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{
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int size = calcRequiredBuf(layer, sizeX, sizeZ);
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int *ret = (int*) malloc(sizeof(*ret)*size);
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memset(ret, 0, sizeof(*ret)*size);
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return ret;
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}
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void setupLayer(int scale, Layer *l, Layer *p, int s, void (*getMap)(Layer *layer, int *out, int x, int z, int w, int h))
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{
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setBaseSeed(l, s);
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l->scale = scale;
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l->p = p;
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l->p2 = NULL;
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l->getMap = getMap;
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}
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void setupMultiLayer(int scale, Layer *l, Layer *p1, Layer *p2, int s, void (*getMap)(Layer *layer, int *out, int x, int z, int w, int h))
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{
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setBaseSeed(l, s);
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l->scale = scale;
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l->p = p1;
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l->p2 = p2;
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l->getMap = getMap;
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}
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LayerStack setupGenerator()
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{
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return setupGeneratorMC17();
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}
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LayerStack setupGeneratorMC17()
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{
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if(biomes[plains].id == 0)
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{
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fprintf(stderr, "Warning: The biomes have to be initialised first using initBiomes() before any generator can be used.\n");
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}
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LayerStack g;
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g.layerNum = 44;
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g.layers = (Layer*) malloc(sizeof(Layer)*g.layerNum);
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// SCALE LAYER PARENT SEED LAYER_FUNCTION
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setupLayer(4096, &g.layers[ 0], NULL, 1, mapIsland);
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setupLayer(2048, &g.layers[ 1], &g.layers[ 0], 2000, mapZoom);
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setupLayer(2048, &g.layers[ 2], &g.layers[ 1], 1, mapAddIsland);
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setupLayer(1024, &g.layers[ 3], &g.layers[ 2], 2001, mapZoom);
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setupLayer(1024, &g.layers[ 4], &g.layers[ 3], 2, mapAddIsland);
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setupLayer(1024, &g.layers[ 5], &g.layers[ 4], 50, mapAddIsland);
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setupLayer(1024, &g.layers[ 6], &g.layers[ 5], 70, mapAddIsland);
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setupLayer(1024, &g.layers[ 7], &g.layers[ 6], 2, mapRemoveTooMuchOcean);
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setupLayer(1024, &g.layers[ 8], &g.layers[ 7], 2, mapAddSnow);
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setupLayer(1024, &g.layers[ 9], &g.layers[ 8], 3, mapAddIsland);
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setupLayer(1024, &g.layers[10], &g.layers[ 9], 2, mapCoolWarm);
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setupLayer(1024, &g.layers[11], &g.layers[10], 2, mapHeatIce);
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setupLayer(1024, &g.layers[12], &g.layers[11], 3, mapSpecial);
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setupLayer( 512, &g.layers[13], &g.layers[12], 2002, mapZoom);
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setupLayer( 256, &g.layers[14], &g.layers[13], 2003, mapZoom);
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setupLayer( 256, &g.layers[15], &g.layers[14], 4, mapAddIsland);
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setupLayer( 256, &g.layers[16], &g.layers[15], 5, mapAddMushroomIsland);
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setupLayer( 256, &g.layers[17], &g.layers[16], 4, mapDeepOcean);
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// biome layer chain
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setupLayer( 256, &g.layers[18], &g.layers[17], 200, mapBiome);
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setupLayer( 128, &g.layers[19], &g.layers[18], 1000, mapZoom);
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setupLayer( 64, &g.layers[20], &g.layers[19], 1001, mapZoom);
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setupLayer( 64, &g.layers[21], &g.layers[20], 1000, mapBiomeEdge);
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// basic river layer chain, used to determine where hills generate
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setupLayer( 256, &g.layers[22], &g.layers[17], 100, mapRiverInit);
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setupLayer( 128, &g.layers[23], &g.layers[22], 1000, mapZoom);
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setupLayer( 64, &g.layers[24], &g.layers[23], 1001, mapZoom);
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setupMultiLayer(64, &g.layers[25], &g.layers[21], &g.layers[24], 1000, mapHills);
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setupLayer( 64, &g.layers[26], &g.layers[25], 1001, mapRareBiome);
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setupLayer( 32, &g.layers[27], &g.layers[26], 1000, mapZoom);
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setupLayer( 32, &g.layers[28], &g.layers[27], 3, mapAddIsland);
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setupLayer( 16, &g.layers[29], &g.layers[28], 1001, mapZoom);
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setupLayer( 16, &g.layers[30], &g.layers[29], 1000, mapShore);
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setupLayer( 8, &g.layers[31], &g.layers[30], 1002, mapZoom);
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setupLayer( 4, &g.layers[32], &g.layers[31], 1003, mapZoom);
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setupLayer( 4, &g.layers[33], &g.layers[32], 1000, mapSmooth);
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// river layer chain
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setupLayer( 128, &g.layers[34], &g.layers[22], 1000, mapZoom);
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setupLayer( 64, &g.layers[35], &g.layers[34], 1001, mapZoom);
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setupLayer( 32, &g.layers[36], &g.layers[35], 1000, mapZoom);
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setupLayer( 16, &g.layers[37], &g.layers[36], 1001, mapZoom);
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setupLayer( 8, &g.layers[38], &g.layers[37], 1002, mapZoom);
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setupLayer( 4, &g.layers[39], &g.layers[38], 1003, mapZoom);
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setupLayer( 4, &g.layers[40], &g.layers[39], 1, mapRiver);
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setupLayer( 4, &g.layers[41], &g.layers[40], 1000, mapSmooth);
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setupMultiLayer(4, &g.layers[42], &g.layers[33], &g.layers[41], 100, mapRiverMix);
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setupLayer( 1, &g.layers[43], &g.layers[42], 10, mapVoronoiZoom);
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return g;
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}
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LayerStack setupGeneratorMC113()
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{
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if(biomes[plains].id == 0)
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{
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fprintf(stderr, "Warning: The biomes have to be initialised first using initBiomes() before any generator can be used.\n");
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}
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LayerStack g;
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g.layerNum = 53;
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g.layers = (Layer*) malloc(sizeof(Layer)*g.layerNum);
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// SCALE LAYER PARENT SEED LAYER_FUNCTION
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setupLayer(4096, &g.layers[ 0], NULL, 1, mapIsland);
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setupLayer(2048, &g.layers[ 1], &g.layers[ 0], 2000, mapZoom);
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setupLayer(2048, &g.layers[ 2], &g.layers[ 1], 1, mapAddIsland);
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setupLayer(1024, &g.layers[ 3], &g.layers[ 2], 2001, mapZoom);
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setupLayer(1024, &g.layers[ 4], &g.layers[ 3], 2, mapAddIsland);
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setupLayer(1024, &g.layers[ 5], &g.layers[ 4], 50, mapAddIsland);
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setupLayer(1024, &g.layers[ 6], &g.layers[ 5], 70, mapAddIsland);
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setupLayer(1024, &g.layers[ 7], &g.layers[ 6], 2, mapRemoveTooMuchOcean);
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setupLayer(1024, &g.layers[ 8], &g.layers[ 7], 2, mapAddSnow);
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setupLayer(1024, &g.layers[ 9], &g.layers[ 8], 3, mapAddIsland);
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setupLayer(1024, &g.layers[10], &g.layers[ 9], 2, mapCoolWarm);
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setupLayer(1024, &g.layers[11], &g.layers[10], 2, mapHeatIce);
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setupLayer(1024, &g.layers[12], &g.layers[11], 3, mapSpecial);
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setupLayer( 512, &g.layers[13], &g.layers[12], 2002, mapZoom);
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setupLayer( 256, &g.layers[14], &g.layers[13], 2003, mapZoom);
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setupLayer( 256, &g.layers[15], &g.layers[14], 4, mapAddIsland);
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setupLayer( 256, &g.layers[16], &g.layers[15], 5, mapAddMushroomIsland);
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setupLayer( 256, &g.layers[17], &g.layers[16], 4, mapDeepOcean);
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// biome layer chain
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setupLayer( 256, &g.layers[18], &g.layers[17], 200, mapBiome);
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setupLayer( 128, &g.layers[19], &g.layers[18], 1000, mapZoom);
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setupLayer( 64, &g.layers[20], &g.layers[19], 1001, mapZoom);
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setupLayer( 64, &g.layers[21], &g.layers[20], 1000, mapBiomeEdge);
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// basic river layer chain, used to determine where hills generate
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setupLayer( 256, &g.layers[22], &g.layers[17], 100, mapRiverInit);
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setupLayer( 128, &g.layers[23], &g.layers[22], 1000, mapZoom);
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setupLayer( 64, &g.layers[24], &g.layers[23], 1001, mapZoom);
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setupMultiLayer(64, &g.layers[25], &g.layers[21], &g.layers[24], 1000, mapHills);
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setupLayer( 64, &g.layers[26], &g.layers[25], 1001, mapRareBiome);
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setupLayer( 32, &g.layers[27], &g.layers[26], 1000, mapZoom);
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setupLayer( 32, &g.layers[28], &g.layers[27], 3, mapAddIsland);
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setupLayer( 16, &g.layers[29], &g.layers[28], 1001, mapZoom);
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setupLayer( 16, &g.layers[30], &g.layers[29], 1000, mapShore);
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setupLayer( 8, &g.layers[31], &g.layers[30], 1002, mapZoom);
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setupLayer( 4, &g.layers[32], &g.layers[31], 1003, mapZoom);
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setupLayer( 4, &g.layers[33], &g.layers[32], 1000, mapSmooth);
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// river layer chain
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setupLayer( 128, &g.layers[34], &g.layers[22], 1000, mapZoom);
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setupLayer( 64, &g.layers[35], &g.layers[34], 1001, mapZoom);
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setupLayer( 32, &g.layers[36], &g.layers[35], 1000, mapZoom);
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setupLayer( 16, &g.layers[37], &g.layers[36], 1001, mapZoom);
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setupLayer( 8, &g.layers[38], &g.layers[37], 1002, mapZoom);
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setupLayer( 4, &g.layers[39], &g.layers[38], 1003, mapZoom);
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setupLayer( 4, &g.layers[40], &g.layers[39], 1, mapRiver);
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setupLayer( 4, &g.layers[41], &g.layers[40], 1000, mapSmooth);
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setupMultiLayer(4, &g.layers[42], &g.layers[33], &g.layers[41], 100, mapRiverMix);
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// ocean variants
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// This branch is connected to layer 7, but makes no use of it.
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// I.e this branch is independent of previous layers.
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setupLayer( 256, &g.layers[43], &g.layers[ 7], 2, mapOceanTemp);
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setupLayer( 256, &g.layers[44], &g.layers[43], 2, mapEdgeOcean);
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setupLayer( 128, &g.layers[45], &g.layers[44], 2001, mapZoom);
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setupLayer( 64, &g.layers[46], &g.layers[45], 2002, mapZoom);
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setupLayer( 32, &g.layers[47], &g.layers[46], 2003, mapZoom);
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setupLayer( 16, &g.layers[48], &g.layers[47], 2004, mapZoom);
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setupLayer( 8, &g.layers[49], &g.layers[48], 2005, mapZoom);
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setupLayer( 4, &g.layers[50], &g.layers[49], 2006, mapZoom);
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setupMultiLayer(4, &g.layers[51], &g.layers[42], &g.layers[50], 100, mapOceanMix);
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setupLayer(1, &g.layers[52], &g.layers[51], 10, mapVoronoiZoom);
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return g;
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}
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static void getMaxArea(Layer *layer, int areaX, int areaZ, int *maxX, int *maxZ)
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{
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if(layer == NULL)
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return;
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if(layer->getMap == mapZoom)
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{
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areaX = (areaX >> 1) + 2;
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areaZ = (areaZ >> 1) + 2;
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}
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else if(layer->getMap == mapVoronoiZoom)
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{
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areaX = (areaX >> 2) + 2;
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areaZ = (areaZ >> 2) + 2;
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}
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else
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{
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if( layer->getMap != mapIsland &&
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layer->getMap != mapSpecial &&
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layer->getMap != mapBiome &&
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layer->getMap != mapRiverInit &&
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layer->getMap != mapRiverMix )
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{
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areaX += 2;
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areaZ += 2;
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}
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}
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if(areaX > *maxX) *maxX = areaX;
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if(areaZ > *maxZ) *maxZ = areaZ;
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getMaxArea(layer->p, areaX, areaZ, maxX, maxZ);
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getMaxArea(layer->p2, areaX, areaZ, maxX, maxZ);
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}
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int calcRequiredBuf(Layer *layer, int areaX, int areaZ)
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{
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int maxX = areaX, maxZ = areaZ;
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getMaxArea(layer, areaX, areaZ, &maxX, &maxZ);
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return maxX * maxZ;
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}
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void freeGenerator(LayerStack g)
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{
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free(g.layers);
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}
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void applySeed(LayerStack *g, long seed)
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{
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// the seed has to be applied recursively
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setWorldSeed(&g->layers[g->layerNum-1], seed);
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}
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void genArea(Layer *layer, int *out, int areaX, int areaZ, int areaWidth, int areaHeight)
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{
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memset(out, 0, areaWidth*areaHeight*sizeof(*out));
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layer->getMap(layer, out, areaX, areaZ, areaWidth, areaHeight);
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}
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