1be50c2e06
libentity.raycast: Add argument to specify blocks to ignore during ray casting Chunk::rayCast: Add argument to specify blocks to ignore during ray casting. On lua side filter blocks are passed as list of strings in form of "MOD:BLOCK_NAME" On C++ size filter blocks are std::set of blockid_t
474 lines
14 KiB
C++
474 lines
14 KiB
C++
#include "content/Content.hpp"
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#include "lighting/Lighting.hpp"
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#include "logic/BlocksController.hpp"
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#include "logic/LevelController.hpp"
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#include "voxels/Block.hpp"
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#include "voxels/Chunk.hpp"
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#include "voxels/Chunks.hpp"
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#include "voxels/voxel.hpp"
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#include "world/Level.hpp"
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#include "api_lua.hpp"
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using namespace scripting;
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static const Block* require_block(lua::State* L) {
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auto indices = content->getIndices();
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auto id = lua::tointeger(L, 1);
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return indices->blocks.get(id);
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}
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static int l_get_def(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushstring(L, def->name);
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}
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return 0;
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}
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static int l_material(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushstring(L, def->material);
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}
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return 0;
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}
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static int l_is_solid_at(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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return lua::pushboolean(L, level->chunks->isSolidBlock(x, y, z));
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}
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static int l_count(lua::State* L) {
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return lua::pushinteger(L, indices->blocks.count());
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}
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static int l_index(lua::State* L) {
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auto name = lua::require_string(L, 1);
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return lua::pushinteger(L, content->blocks.require(name).rt.id);
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}
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static int l_is_extended(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushboolean(L, def->rt.extended);
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}
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return 0;
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}
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static int l_get_size(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushivec_stack(L, glm::ivec3(def->size));
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}
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return 0;
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}
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static int l_is_segment(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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return lua::pushboolean(L, vox->state.segment);
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}
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static int l_seek_origin(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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auto& def = indices->blocks.require(vox->id);
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return lua::pushivec_stack(
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L, level->chunks->seekOrigin({x, y, z}, def, vox->state)
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);
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}
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static int l_set(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto id = lua::tointeger(L, 4);
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auto state = lua::tointeger(L, 5);
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bool noupdate = lua::toboolean(L, 6);
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if (static_cast<size_t>(id) >= indices->blocks.count()) {
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return 0;
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}
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if (!level->chunks->get(x, y, z)) {
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return 0;
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}
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level->chunks->set(x, y, z, id, int2blockstate(state));
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level->lighting->onBlockSet(x, y, z, id);
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if (!noupdate) {
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blocks->updateSides(x, y, z);
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}
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return 0;
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}
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static int l_get(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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int id = vox == nullptr ? -1 : vox->id;
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return lua::pushinteger(L, id);
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}
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static int l_get_x(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua::pushivec_stack(L, glm::ivec3(1, 0, 0));
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}
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const auto& def = level->content->getIndices()->blocks.require(vox->id);
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if (!def.rotatable) {
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return lua::pushivec_stack(L, glm::ivec3(1, 0, 0));
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} else {
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const CoordSystem& rot = def.rotations.variants[vox->state.rotation];
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return lua::pushivec_stack(L, rot.axisX);
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}
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}
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static int l_get_y(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua::pushivec_stack(L, glm::ivec3(0, 1, 0));
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}
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const auto& def = level->content->getIndices()->blocks.require(vox->id);
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if (!def.rotatable) {
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return lua::pushivec_stack(L, glm::ivec3(0, 1, 0));
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} else {
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const CoordSystem& rot = def.rotations.variants[vox->state.rotation];
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return lua::pushivec_stack(L, rot.axisY);
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}
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}
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static int l_get_z(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua::pushivec_stack(L, glm::ivec3(0, 0, 1));
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}
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const auto& def = level->content->getIndices()->blocks.require(vox->id);
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if (!def.rotatable) {
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return lua::pushivec_stack(L, glm::ivec3(0, 0, 1));
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} else {
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const CoordSystem& rot = def.rotations.variants[vox->state.rotation];
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return lua::pushivec_stack(L, rot.axisZ);
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}
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}
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static int l_get_rotation(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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voxel* vox = level->chunks->get(x, y, z);
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int rotation = vox == nullptr ? 0 : vox->state.rotation;
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return lua::pushinteger(L, rotation);
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}
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static int l_set_rotation(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto value = lua::tointeger(L, 4);
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level->chunks->setRotation(x, y, z, value);
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return 0;
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}
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static int l_get_states(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto vox = level->chunks->get(x, y, z);
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int states = vox == nullptr ? 0 : blockstate2int(vox->state);
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return lua::pushinteger(L, states);
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}
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static int l_set_states(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto states = lua::tointeger(L, 4);
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auto chunk = level->chunks->getChunkByVoxel(x, y, z);
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if (chunk == nullptr) {
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return 0;
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}
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auto vox = level->chunks->get(x, y, z);
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vox->state = int2blockstate(states);
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chunk->setModifiedAndUnsaved();
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return 0;
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}
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static int l_get_user_bits(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto offset = lua::tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
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auto bits = lua::tointeger(L, 5);
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auto vox = level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua::pushinteger(L, 0);
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}
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uint mask = ((1 << bits) - 1) << offset;
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uint data = (blockstate2int(vox->state) & mask) >> offset;
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return lua::pushinteger(L, data);
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}
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static int l_set_user_bits(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto offset = lua::tointeger(L, 4);
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auto bits = lua::tointeger(L, 5);
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size_t mask = ((1 << bits) - 1) << offset;
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auto value = (lua::tointeger(L, 6) << offset) & mask;
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auto chunk = level->chunks->getChunkByVoxel(x, y, z);
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if (chunk == nullptr) {
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return 0;
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}
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auto vox = level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return 0;
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}
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vox->state.userbits = (vox->state.userbits & (~mask)) | value;
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chunk->setModifiedAndUnsaved();
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return 0;
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}
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static int l_is_replaceable_at(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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return lua::pushboolean(L, level->chunks->isReplaceableBlock(x, y, z));
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}
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static int l_caption(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushstring(L, def->caption);
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}
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return 0;
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}
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static int l_get_textures(lua::State* L) {
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if (auto def = require_block(L)) {
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lua::createtable(L, 6, 0);
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for (size_t i = 0; i < 6; i++) {
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lua::pushstring(L, def->textureFaces[i]);
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lua::rawseti(L, i + 1);
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}
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return 1;
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}
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return 0;
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}
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static int l_get_model(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushstring(L, to_string(def->model));
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}
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return 0;
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}
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static int l_get_hitbox(lua::State* L) {
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if (auto def = require_block(L)) {
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auto& hitbox = def->rt.hitboxes[lua::tointeger(L, 2)].at(0);
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lua::createtable(L, 2, 0);
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lua::pushvec3(L, hitbox.min());
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lua::rawseti(L, 1);
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lua::pushvec3(L, hitbox.size());
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lua::rawseti(L, 2);
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return 1;
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}
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return 0;
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}
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static int l_get_rotation_profile(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushstring(L, def->rotations.name);
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}
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return 0;
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}
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static int l_get_picking_item(lua::State* L) {
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if (auto def = require_block(L)) {
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return lua::pushinteger(L, def->rt.pickingItem);
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}
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return 0;
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}
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static int l_place(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto id = lua::tointeger(L, 4);
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auto state = lua::tointeger(L, 5);
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auto playerid = lua::gettop(L) >= 6 ? lua::tointeger(L, 6) : -1;
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if (static_cast<size_t>(id) >= indices->blocks.count()) {
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return 0;
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}
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if (!level->chunks->get(x, y, z)) {
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return 0;
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}
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const auto def = level->content->getIndices()->blocks.get(id);
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if (def == nullptr) {
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throw std::runtime_error(
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"there is no block with index " + std::to_string(id)
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);
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}
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auto player = level->getObject<Player>(playerid);
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controller->getBlocksController()->placeBlock(
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player ? player.get() : nullptr, *def, int2blockstate(state), x, y, z
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);
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return 0;
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}
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static int l_destruct(lua::State* L) {
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auto x = lua::tointeger(L, 1);
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auto y = lua::tointeger(L, 2);
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auto z = lua::tointeger(L, 3);
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auto playerid = lua::gettop(L) >= 4 ? lua::tointeger(L, 4) : -1;
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auto voxel = level->chunks->get(x, y, z);
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if (voxel == nullptr) {
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return 0;
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}
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auto& def = level->content->getIndices()->blocks.require(voxel->id);
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auto player = level->getObject<Player>(playerid);
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controller->getBlocksController()->breakBlock(
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player ? player.get() : nullptr, def, x, y, z
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);
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return 0;
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}
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static int l_raycast(lua::State* L) {
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auto start = lua::tovec<3>(L, 1);
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auto dir = lua::tovec<3>(L, 2);
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auto maxDistance = lua::tonumber(L, 3);
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std::set<blockid_t> filteredBlocks {};
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if (lua::gettop(L) >= 5) {
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if (lua::istable(L, 5)) {
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int addLen = lua::objlen(L, 5);
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for (int i = 0; i < addLen; i++) {
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lua::rawgeti(L, i + 1, 5);
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auto blockName = std::string(lua::tostring(L, -1));
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Block* block = content->blocks.find(blockName);
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if (block != nullptr) {
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filteredBlocks.insert(block->rt.id);
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}
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lua::pop(L);
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}
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} else {
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throw std::runtime_error("table expected for filter");
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}
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}
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glm::vec3 end;
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glm::ivec3 normal;
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glm::ivec3 iend;
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if (auto voxel = level->chunks->rayCast(
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start, dir, maxDistance, end, normal, iend, filteredBlocks
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)) {
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if (lua::gettop(L) >= 4 && !lua::isnil(L, 4)) {
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lua::pushvalue(L, 4);
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} else {
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lua::createtable(L, 0, 5);
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}
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lua::pushvec3(L, end);
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lua::setfield(L, "endpoint");
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lua::pushvec3(L, normal);
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lua::setfield(L, "normal");
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lua::pushnumber(L, glm::distance(start, end));
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lua::setfield(L, "length");
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lua::pushvec3(L, iend);
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lua::setfield(L, "iendpoint");
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lua::pushinteger(L, voxel->id);
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lua::setfield(L, "block");
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return 1;
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}
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return 0;
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}
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static int l_compose_state(lua::State* L) {
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if (!lua::istable(L, 1) || lua::objlen(L, 1) < 3) {
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throw std::runtime_error("expected array of 3 integers");
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}
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blockstate state {};
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lua::rawgeti(L, 1, 1);
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state.rotation = lua::tointeger(L, -1);
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lua::pop(L);
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lua::rawgeti(L, 2, 1);
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state.segment = lua::tointeger(L, -1);
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lua::pop(L);
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lua::rawgeti(L, 3, 1);
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state.userbits = lua::tointeger(L, -1);
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lua::pop(L);
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return lua::pushinteger(L, blockstate2int(state));
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}
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static int l_decompose_state(lua::State* L) {
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auto stateInt = static_cast<blockstate_t>(lua::tointeger(L, 1));
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auto state = int2blockstate(stateInt);
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lua::createtable(L, 3, 0);
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lua::pushinteger(L, state.rotation);
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lua::rawseti(L, 1);
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lua::pushinteger(L, state.segment);
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lua::rawseti(L, 2);
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lua::pushinteger(L, state.userbits);
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lua::rawseti(L, 3);
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return 1;
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}
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const luaL_Reg blocklib[] = {
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{"index", lua::wrap<l_index>},
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{"name", lua::wrap<l_get_def>},
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{"material", lua::wrap<l_material>},
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{"caption", lua::wrap<l_caption>},
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{"defs_count", lua::wrap<l_count>},
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{"is_solid_at", lua::wrap<l_is_solid_at>},
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{"is_replaceable_at", lua::wrap<l_is_replaceable_at>},
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{"set", lua::wrap<l_set>},
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{"get", lua::wrap<l_get>},
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{"get_X", lua::wrap<l_get_x>},
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{"get_Y", lua::wrap<l_get_y>},
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{"get_Z", lua::wrap<l_get_z>},
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{"get_states", lua::wrap<l_get_states>},
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{"set_states", lua::wrap<l_set_states>},
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{"get_rotation", lua::wrap<l_get_rotation>},
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{"set_rotation", lua::wrap<l_set_rotation>},
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{"get_user_bits", lua::wrap<l_get_user_bits>},
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{"set_user_bits", lua::wrap<l_set_user_bits>},
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{"is_extended", lua::wrap<l_is_extended>},
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{"get_size", lua::wrap<l_get_size>},
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{"is_segment", lua::wrap<l_is_segment>},
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{"seek_origin", lua::wrap<l_seek_origin>},
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{"get_textures", lua::wrap<l_get_textures>},
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{"get_model", lua::wrap<l_get_model>},
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{"get_hitbox", lua::wrap<l_get_hitbox>},
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{"get_rotation_profile", lua::wrap<l_get_rotation_profile>},
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{"get_picking_item", lua::wrap<l_get_picking_item>},
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{"place", lua::wrap<l_place>},
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{"destruct", lua::wrap<l_destruct>},
|
|
{"raycast", lua::wrap<l_raycast>},
|
|
{"compose_state", lua::wrap<l_compose_state>},
|
|
{"decompose_state", lua::wrap<l_decompose_state>},
|
|
{NULL, NULL}
|
|
};
|