77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
#ifndef WORLDGEN_H
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#define WORLDGEN_H
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#include <stddef.h>
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#include <stdint.h>
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#include "noise.h"
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#define CHUNK_SIZE 16
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#define CHUNK_HEIGHT 256
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enum BlockId {
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BLOCK_BEDROCK = 0,
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BLOCK_STONE = 1,
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BLOCK_DIRT = 2,
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BLOCK_GRASS = 3,
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BLOCK_WATER = 4,
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BLOCK_AIR = 5,
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BLOCK_OAK_LOG = 6,
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BLOCK_OAK_LEAVES = 7,
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BLOCK_BIRCH_LOG = 8,
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BLOCK_BIRCH_LEAVES = 9,
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BLOCK_COAL = 10,
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BLOCK_SAND = 11,
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BLOCK_GRAVEL = 12,
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BLOCK_SNOW = 13,
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BLOCK_TALL_GRASS = 14,
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BLOCK_WILDFLOWER = 15,
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BLOCK_COPPER_ORE = 16,
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BLOCK_IRON_ORE = 17,
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BLOCK_GOLD_ORE = 18,
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BLOCK_REDSTONE_ORE = 19,
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BLOCK_LAPIS_ORE = 20,
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BLOCK_DIAMOND_ORE = 21,
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BLOCK_OAK_PLANKS = 22,
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BLOCK_SPRUCE_PLANKS = 23,
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BLOCK_OAK_LOG_X = 24,
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BLOCK_OAK_LOG_Z = 25,
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BLOCK_SPRUCE_LOG_X = 26,
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BLOCK_SPRUCE_LOG_Z = 27,
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BLOCK_GLASS_PANE = 28,
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BLOCK_SPRUCE_DOOR_S_LOWER = 29,
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BLOCK_SPRUCE_DOOR_S_UPPER = 30,
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BLOCK_SPRUCE_DOOR_N_LOWER = 31,
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BLOCK_SPRUCE_DOOR_N_UPPER = 32,
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BLOCK_SPRUCE_DOOR_W_LOWER = 33,
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BLOCK_SPRUCE_DOOR_W_UPPER = 34,
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BLOCK_SPRUCE_DOOR_E_LOWER = 35,
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BLOCK_SPRUCE_DOOR_E_UPPER = 36,
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BLOCK_SPRUCE_STAIRS_E = 37,
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BLOCK_SPRUCE_STAIRS_W = 38
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};
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struct trail_segment;
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typedef struct {
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int chunk_x;
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int chunk_z;
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uint16_t heightmap[CHUNK_SIZE][CHUNK_SIZE];
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uint16_t blocks[CHUNK_HEIGHT][CHUNK_SIZE][CHUNK_SIZE];
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} chunk_data;
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typedef struct {
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simplex_noise noise;
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int sea_level;
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int world_seed;
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int enable_trails;
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int snow_line;
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struct trail_segment *trail_segments;
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size_t trail_segment_count;
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size_t trail_segment_cap;
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} worldgen_ctx;
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void worldgen_init(worldgen_ctx *ctx, int world_seed, int sea_level, int snow_line);
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void worldgen_generate_chunk(worldgen_ctx *ctx, int chunk_x, int chunk_z, chunk_data *out);
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#endif
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