2024-07-14 13:16:07 +03:00

374 lines
11 KiB
C++

#include "api_lua.hpp"
#include "../../../world/Level.hpp"
#include "../../../voxels/Chunks.hpp"
#include "../../../voxels/Chunk.hpp"
#include "../../../voxels/Block.hpp"
#include "../../../voxels/voxel.hpp"
#include "../../../lighting/Lighting.hpp"
#include "../../../content/Content.hpp"
#include "../../../logic/BlocksController.hpp"
using namespace scripting;
static Block* require_block(lua::State* L) {
auto indices = content->getIndices();
auto id = lua::tointeger(L, 1);
if (static_cast<size_t>(id) >= indices->blocks.count()) {
return nullptr;
}
return indices->blocks.get(id);
}
static int l_name(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushstring(L, def->name);
}
return 0;
}
static int l_material(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushstring(L, def->material);
}
return 0;
}
static int l_is_solid_at(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
return lua::pushboolean(L, level->chunks->isSolidBlock(x, y, z));
}
static int l_count(lua::State* L) {
return lua::pushinteger(L, indices->blocks.count());
}
static int l_index(lua::State* L) {
auto name = lua::require_string(L, 1);
return lua::pushinteger(L, content->blocks.require(name).rt.id);
}
static int l_is_extended(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushboolean(L, def->rt.extended);
}
return 0;
}
static int l_get_size(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushivec3(L, def->size.x, def->size.y, def->size.z);
}
return 0;
}
static int l_is_segment(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
return lua::pushboolean(L, vox->state.segment);
}
static int l_seek_origin(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
auto def = indices->blocks.get(vox->id);
return lua::pushivec3(L, level->chunks->seekOrigin({x, y, z}, def, vox->state));
}
static int l_set(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto id = lua::tointeger(L, 4);
auto state = lua::tointeger(L, 5);
bool noupdate = lua::toboolean(L, 6);
if (static_cast<size_t>(id) >= indices->blocks.count()) {
return 0;
}
if (!level->chunks->get(x, y, z)) {
return 0;
}
level->chunks->set(x, y, z, id, int2blockstate(state));
level->lighting->onBlockSet(x,y,z, id);
if (!noupdate) {
blocks->updateSides(x, y, z);
}
return 0;
}
static int l_get(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
int id = vox == nullptr ? -1 : vox->id;
return lua::pushinteger(L, id);
}
static int l_get_x(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
if (vox == nullptr) {
return lua::pushivec3(L, 1, 0, 0);
}
auto def = level->content->getIndices()->blocks.get(vox->id);
if (!def->rotatable) {
return lua::pushivec3(L, 1, 0, 0);
} else {
const CoordSystem& rot = def->rotations.variants[vox->state.rotation];
return lua::pushivec3(L, rot.axisX.x, rot.axisX.y, rot.axisX.z);
}
}
static int l_get_y(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
if (vox == nullptr) {
return lua::pushivec3(L, 0, 1, 0);
}
auto def = level->content->getIndices()->blocks.get(vox->id);
if (!def->rotatable) {
return lua::pushivec3(L, 0, 1, 0);
} else {
const CoordSystem& rot = def->rotations.variants[vox->state.rotation];
return lua::pushivec3(L, rot.axisY.x, rot.axisY.y, rot.axisY.z);
}
}
static int l_get_z(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
if (vox == nullptr) {
return lua::pushivec3(L, 0, 0, 1);
}
auto def = level->content->getIndices()->blocks.get(vox->id);
if (!def->rotatable) {
return lua::pushivec3(L, 0, 0, 1);
} else {
const CoordSystem& rot = def->rotations.variants[vox->state.rotation];
return lua::pushivec3(L, rot.axisZ.x, rot.axisZ.y, rot.axisZ.z);
}
}
static int l_get_rotation(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
voxel* vox = level->chunks->get(x, y, z);
int rotation = vox == nullptr ? 0 : vox->state.rotation;
return lua::pushinteger(L, rotation);
}
static int l_set_rotation(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto value = lua::tointeger(L, 4);
level->chunks->setRotation(x, y, z, value);
return 0;
}
static int l_get_states(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto vox = level->chunks->get(x, y, z);
int states = vox == nullptr ? 0 : blockstate2int(vox->state);
return lua::pushinteger(L, states);
}
static int l_set_states(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto states = lua::tointeger(L, 4);
auto chunk = level->chunks->getChunkByVoxel(x, y, z);
if (chunk == nullptr) {
return 0;
}
auto vox = level->chunks->get(x, y, z);
vox->state = int2blockstate(states);
chunk->setModifiedAndUnsaved();
return 0;
}
static int l_get_user_bits(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto offset = lua::tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
auto bits = lua::tointeger(L, 5);
auto vox = level->chunks->get(x, y, z);
if (vox == nullptr) {
return lua::pushinteger(L, 0);
}
uint mask = ((1 << bits) - 1) << offset;
uint data = (blockstate2int(vox->state) & mask) >> offset;
return lua::pushinteger(L, data);
}
static int l_set_user_bits(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
auto offset = lua::tointeger(L, 4);
auto bits = lua::tointeger(L, 5);
size_t mask = ((1 << bits) - 1) << offset;
auto value = (lua::tointeger(L, 6) << offset) & mask;
auto chunk = level->chunks->getChunkByVoxel(x, y, z);
if (chunk == nullptr) {
return 0;
}
auto vox = level->chunks->get(x, y, z);
if (vox == nullptr) {
return 0;
}
vox->state.userbits = (vox->state.userbits & (~mask)) | value;
chunk->setModifiedAndUnsaved();
return 0;
}
static int l_is_replaceable_at(lua::State* L) {
auto x = lua::tointeger(L, 1);
auto y = lua::tointeger(L, 2);
auto z = lua::tointeger(L, 3);
return lua::pushboolean(L, level->chunks->isReplaceableBlock(x, y, z));
}
static int l_caption(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushstring(L, def->caption);
}
return 0;
}
static int l_get_textures(lua::State* L) {
if (auto def = require_block(L)) {
lua::createtable(L, 6, 0);
for (size_t i = 0; i < 6; i++) {
lua::pushstring(L, def->textureFaces[i]);
lua::rawseti(L, i+1);
}
return 1;
}
return 0;
}
static int l_get_model(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushstring(L, to_string(def->model));
}
return 0;
}
static int l_get_hitbox(lua::State* L) {
if (auto def = require_block(L)) {
auto& hitbox = def->rt.hitboxes[lua::tointeger(L, 2)].at(0);
lua::createtable(L, 2, 0);
lua::pushvec3_arr(L, hitbox.min());
lua::rawseti(L, 1);
lua::pushvec3_arr(L, hitbox.size());
lua::rawseti(L, 2);
return 1;
}
return 0;
}
static int l_get_rotation_profile(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushstring(L, def->rotations.name);
}
return 0;
}
static int l_get_picking_item(lua::State* L) {
if (auto def = require_block(L)) {
return lua::pushinteger(L, def->rt.pickingItem);
}
return 0;
}
static int l_raycast(lua::State* L) {
auto start = lua::tovec<3>(L, 1);
auto dir = lua::tovec<3>(L, 2);
auto maxDistance = lua::tonumber(L, 3);
glm::vec3 end;
glm::ivec3 normal;
glm::ivec3 iend;
if (auto voxel = level->chunks->rayCast(start, dir, maxDistance, end, normal, iend)) {
if (lua::gettop(L) >= 4) {
lua::pushvalue(L, 4);
} else {
lua::createtable(L, 0, 5);
}
lua::pushvec3_arr(L, end);
lua::setfield(L, "endpoint");
lua::pushvec3_arr(L, normal);
lua::setfield(L, "normal");
lua::pushnumber(L, glm::distance(start, end));
lua::setfield(L, "length");
lua::pushvec3_arr(L, iend);
lua::setfield(L, "iendpoint");
lua::pushinteger(L, voxel->id);
lua::setfield(L, "block");
return 1;
}
return 0;
}
const luaL_Reg blocklib [] = {
{"index", lua::wrap<l_index>},
{"name", lua::wrap<l_name>},
{"material", lua::wrap<l_material>},
{"caption", lua::wrap<l_caption>},
{"defs_count", lua::wrap<l_count>},
{"is_solid_at", lua::wrap<l_is_solid_at>},
{"is_replaceable_at", lua::wrap<l_is_replaceable_at>},
{"set", lua::wrap<l_set>},
{"get", lua::wrap<l_get>},
{"get_X", lua::wrap<l_get_x>},
{"get_Y", lua::wrap<l_get_y>},
{"get_Z", lua::wrap<l_get_z>},
{"get_states", lua::wrap<l_get_states>},
{"set_states", lua::wrap<l_set_states>},
{"get_rotation", lua::wrap<l_get_rotation>},
{"set_rotation", lua::wrap<l_set_rotation>},
{"get_user_bits", lua::wrap<l_get_user_bits>},
{"set_user_bits", lua::wrap<l_set_user_bits>},
{"is_extended", lua::wrap<l_is_extended>},
{"get_size", lua::wrap<l_get_size>},
{"is_segment", lua::wrap<l_is_segment>},
{"seek_origin", lua::wrap<l_seek_origin>},
{"get_textures", lua::wrap<l_get_textures>},
{"get_model", lua::wrap<l_get_model>},
{"get_hitbox", lua::wrap<l_get_hitbox>},
{"get_rotation_profile", lua::wrap<l_get_rotation_profile>},
{"get_picking_item", lua::wrap<l_get_picking_item>},
{"raycast", lua::wrap<l_raycast>},
{NULL, NULL}
};