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Save/Load map generation seed to/from .cw files

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This commit is contained in:
UnknownShadow200 2022-08-14 15:05:31 +10:00
parent 431c3e427e
commit 543a991559
4 changed files with 18 additions and 1 deletions
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14
src/Formats.c
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@ -623,6 +623,12 @@ static void Cw_Callback_1(struct NbtTag* tag) {
static void Cw_Callback_2(struct NbtTag* tag) {
struct LocalPlayer* p = &LocalPlayer_Instance;
if (IsTag(tag->parent, "MapGenerator"))
{
if (IsTag(tag, "Seed")) { World.Seed = NbtTag_I32(tag); return; }
return;
}
if (!IsTag(tag->parent, "Spawn")) return;
if (IsTag(tag, "X")) { p->Spawn.X = NbtTag_I16(tag); return; }
@ -1410,10 +1416,16 @@ cc_result Cw_Save(struct Stream* stream) {
cur = Nbt_WriteDict(cur, "ClassicWorld");
cur = Nbt_WriteUInt8(cur, "FormatVersion", 1);
cur = Nbt_WriteArray(cur, "UUID", WORLD_UUID_LEN); Mem_Copy(cur, World.Uuid, WORLD_UUID_LEN); cur += WORLD_UUID_LEN;
cur = Nbt_WriteUInt16(cur, "X", World.Width );
cur = Nbt_WriteUInt16(cur, "X", World.Width);
cur = Nbt_WriteUInt16(cur, "Y", World.Height);
cur = Nbt_WriteUInt16(cur, "Z", World.Length);
cur = Nbt_WriteDict(cur, "MapGenerator");
{
cur = Nbt_WriteInt32(cur, "Seed", World.Seed);
} *cur++ = NBT_END;
/* TODO: Maybe keep real spawn too? */
cur = Nbt_WriteDict(cur, "Spawn");
{

2
src/Screens.c
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@ -1772,7 +1772,9 @@ static void GeneratingScreen_EndGeneration(void) {
Gen_Done = false;
World_SetNewMap(Gen_Blocks, World.Width, World.Height, World.Length);
if (!Gen_Blocks) { Chat_AddRaw("&cFailed to generate the map."); return; }
Gen_Blocks = NULL;
World.Seed = Gen_Seed;
x = (World.Width / 2) + 0.5f; z = (World.Length / 2) + 0.5f;
p->Spawn = Respawn_FindSpawnPosition(x, z, p->Base.Size);

1
src/World.c
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@ -50,6 +50,7 @@ void World_Reset(void) {
World_SetDimensions(0, 0, 0);
World.Loaded = false;
World.LastSave = -200;
World.Seed = 0;
Env_Reset();
}

2
src/World.h
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@ -56,6 +56,8 @@ CC_VAR extern struct _WorldData {
int ChunksX, ChunksY, ChunksZ;
/* Number of chunks in the world, or ChunksX * ChunksY * ChunksZ */
int ChunksCount;
/* Seed world was generated with. May be 0 (unknown) */
int Seed;
} World;
/* Frees the blocks array, sets dimensions to 0, resets environment to default. */