147 lines
4.5 KiB
C
147 lines
4.5 KiB
C
#include <math.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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#include "../config.h"
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#include "../item.h"
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#include "noise.h"
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#include "../util.h"
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#include "world.h"
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#include "base_terrain.h"
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#include "biome_temperate.h"
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#include "biome_desert.h"
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#include "biome_rainforest.h"
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#include "biome_taiga.h"
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#include "biome_mesa.h"
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#include "biome_swamp.h"
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void create_world(int p, int q, world_func func, void *arg) {
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int pad = 1;
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for (int dx = -pad; dx < CHUNK_SIZE + pad; dx++) {
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for (int dz = -pad; dz < CHUNK_SIZE + pad; dz++) {
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int flag = 1;
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if (dx < 0 || dz < 0 || dx >= CHUNK_SIZE || dz >= CHUNK_SIZE) {
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flag = -1;
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}
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int x = p * CHUNK_SIZE + dx;
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int z = q * CHUNK_SIZE + dz;
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float f = simplex2(x * 0.01, z * 0.01, 4, 0.5, 2);
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float g = simplex2(-x * 0.01, -z * 0.01, 2, 0.9, 2);
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// mh
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int mh = g * simplex2(-x * 0.0005, -z * 0.0005, 2, 16.0, 2);
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mh += simplex2(-x * 0.0002, -z * 0.0002, 2, 16.0, 2) * simplex2(-x * 0.002, -z * 0.002, 2, 16.0, 2) * 100;
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mh += simplex2(-x * 0.02, -z * 0.02, 3, 8.0, 2);
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if (simplex2(-x * 0.0004, -z * 0.0004, 4, 4.0, 3)> 0.59) {
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mh += 8;
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}
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int h = f * mh;
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// Floating balls test
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/*for (int y = 0; y < 25; y++) {
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if (simplex3(
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x * 0.001, (y+h) * 0.001, z * 0.001, 6, 1, 2) > 0.52)
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{
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if (y < 255) {
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func(x, (y+h), z, Item_COLOR_13 * flag, arg);
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}
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}
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}*/
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// Ocean system (generates water under y == 45)
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for (int y = 22; y < 45; y++) {
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func(x, y, z, Item_WATER * flag, arg);
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}
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// ice on frigid biomes
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float biomen = simplex3(-x * 0.0005 * (1 / BIOME_SIZE), -z * 0.0005 * (1 / BIOME_SIZE), q * 0.001, 2, 16.0, 1);
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if(biomen > (1.0f/6.0f) && biomen < (2.0f/6.0f)) {
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// 2 ice layers on water
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if (simplex2(x * 0.0004, z * 0.0004, 8, 1.5, 2) > 0.59) {
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func(x, 43, z, Item_ICE * flag, arg);
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func(x, 44, z, Item_ICE * flag, arg);
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}
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}
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//2 other values are needed : a high one for
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//mountain-like biomes and other for oceans.
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Biome biome = biome_at_pos(q, x, z);
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if (biome == Biome_TEMPERATE) {
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generateTemperate(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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} else if(biome == Biome_DESERT) {
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generateDesert(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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} else if(biome == Biome_RAINFOREST) {
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generateRainforest(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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} else if(biome == Biome_TAIGA) {
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generateTaiga(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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} else if(biome == Biome_MESA) {
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generateMesa(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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} else if(biome == Biome_SWAMP) {
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generateSwamp(dx, dz, x, z, 32, 32 + h, flag, func, arg);
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}
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generateBaseTerrain(dx, dz, x, z, 0, 32, flag, func, arg); //the good
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//generateBaseTerrain(dx, dz, x, z, 32, 32 + h, flag, func, arg); //the evil
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// clouds
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for (int y = 100; y < 180; y++) {
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if (simplex3(
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x * 0.001, y * 0.004, z * 0.001, 6, 1, 2) > 0.7)
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{
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func(x, y, z, 16 * flag, arg);
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}
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}
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// Unbreakable Core shell
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func(x, 0, z, Item_CORESHELL * flag, arg);
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if (simplex2(
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x * 0.4, z * 0.4, 7, 3, 5) > 0.52) {
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func(x, 1, z, Item_CORESHELL * flag, arg);
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}
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// Buildings
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// Brick Mess
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//for (int b = 50; b < 100; b++) {
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// func(b, b, b, Item_BRICK * flag, arg);
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//}
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}
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}
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}
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Biome biome_at_pos(int q, int x, int z) {
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float biomen = simplex3(-x * 0.0005 * (1 / BIOME_SIZE), -z * 0.0005 * (1 / BIOME_SIZE), q * 0.001, 2, 16.0, 1);
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Biome biome = Biome_max;
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if(biomen > (1.0f/6.0f)) {
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biome = Biome_TAIGA;
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}
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if(biomen > (2.0f/6.0f)) {
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biome = Biome_SWAMP;
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}
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if(biomen > (3.0f/6.0f)) {
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biome = Biome_TEMPERATE;
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}
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if(biomen > (4.0f/6.0f)) {
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biome = Biome_RAINFOREST;
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}
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if(biome == (5.0/6.0)) {
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biome = Biome_DESERT;
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}
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if(biome == (Biome_max)) {
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biome = Biome_MESA;
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}
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return biome;
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}
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