229 lines
6.8 KiB
C++
229 lines
6.8 KiB
C++
#include "api_lua.h"
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#include "scripting.h"
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#include <glm/glm.hpp>
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#include "../../physics/Hitbox.h"
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#include "../../objects/Player.h"
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#include "../../world/Level.h"
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#include "../../content/Content.h"
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#include "../../voxels/Block.h"
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#include "../../voxels/Chunks.h"
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#include "../../voxels/voxel.h"
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#include "../../lighting/Lighting.h"
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int l_block_name(lua_State* L) {
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int id = lua_tointeger(L, 1);
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lua_pushstring(L, scripting::content->indices->getBlockDef(id)->name.c_str());
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return 1;
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}
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int l_is_solid_at(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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lua_pushboolean(L, scripting::level->chunks->isSolidBlock(x, y, z));
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return 1;
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}
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int l_blocks_count(lua_State* L) {
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lua_pushinteger(L, scripting::content->indices->countBlockDefs());
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return 1;
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}
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int l_block_index(lua_State* L) {
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auto name = lua_tostring(L, 1);
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lua_pushinteger(L, scripting::content->requireBlock(name)->rt.id);
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return 1;
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}
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int l_set_block(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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int id = lua_tointeger(L, 4);
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int states = lua_tointeger(L, 5);
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scripting::level->chunks->set(x, y, z, id, states);
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scripting::level->lighting->onBlockSet(x,y,z, id);
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return 0;
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}
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int l_get_block(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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int id = vox == nullptr ? -1 : vox->id;
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lua_pushinteger(L, id);
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return 1;
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}
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inline int lua_pushivec3(lua_State* L, int x, int y, int z) {
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lua_pushinteger(L, x);
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lua_pushinteger(L, y);
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lua_pushinteger(L, z);
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return 3;
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}
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int l_get_block_x(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua_pushivec3(L, 1, 0, 0);
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}
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const Block* def = scripting::level->content->indices->getBlockDef(vox->id);
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if (!def->rotatable) {
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return lua_pushivec3(L, 1, 0, 0);
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} else {
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const CoordSystem& rot = def->rotations.variants[vox->rotation()];
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return lua_pushivec3(L, rot.axisX.x, rot.axisX.y, rot.axisX.z);
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}
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}
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int l_get_block_y(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua_pushivec3(L, 0, 1, 0);
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}
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const Block* def = scripting::level->content->indices->getBlockDef(vox->id);
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if (!def->rotatable) {
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return lua_pushivec3(L, 0, 1, 0);
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} else {
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const CoordSystem& rot = def->rotations.variants[vox->rotation()];
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return lua_pushivec3(L, rot.axisY.x, rot.axisY.y, rot.axisY.z);
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}
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}
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int l_get_block_z(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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if (vox == nullptr) {
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return lua_pushivec3(L, 0, 0, 1);
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}
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const Block* def = scripting::level->content->indices->getBlockDef(vox->id);
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if (!def->rotatable) {
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return lua_pushivec3(L, 0, 0, 1);
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} else {
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const CoordSystem& rot = def->rotations.variants[vox->rotation()];
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return lua_pushivec3(L, rot.axisZ.x, rot.axisZ.y, rot.axisZ.z);
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}
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}
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int l_get_player_pos(lua_State* L) {
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glm::vec3 pos = scripting::level->player->hitbox->position;
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lua_pushnumber(L, pos.x);
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lua_pushnumber(L, pos.y);
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lua_pushnumber(L, pos.z);
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return 3;
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}
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int l_get_player_rot(lua_State* L) {
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glm::vec2 rot = scripting::level->player->cam;
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lua_pushnumber(L, rot.x);
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lua_pushnumber(L, rot.y);
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return 2;
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}
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int l_set_player_rot(lua_State* L) {
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double x = lua_tonumber(L, 1);
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double y = lua_tonumber(L, 2);
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glm::vec2& cam = scripting::level->player->cam;
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cam.x = x;
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cam.y = y;
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return 0;
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}
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int l_set_player_pos(lua_State* L) {
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double x = lua_tonumber(L, 1);
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double y = lua_tonumber(L, 2);
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double z = lua_tonumber(L, 3);
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scripting::level->player->hitbox->position = glm::vec3(x, y, z);
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return 0;
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}
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int l_get_block_states(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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int states = vox == nullptr ? 0 : vox->states;
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lua_pushinteger(L, states);
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return 1;
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}
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int l_get_block_user_bits(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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int offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
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int bits = lua_tointeger(L, 5);
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voxel* vox = scripting::level->chunks->get(x, y, z);
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if (vox == nullptr) {
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lua_pushinteger(L, 0);
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return 1;
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}
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uint mask = ((1 << bits) - 1) << offset;
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uint data = (vox->states & mask) >> offset;
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lua_pushinteger(L, data);
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return 1;
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}
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int l_set_block_user_bits(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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int offset = lua_tointeger(L, 4) + VOXEL_USER_BITS_OFFSET;
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int bits = lua_tointeger(L, 5);
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uint mask = (1 << bits) - 1;
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int value = lua_tointeger(L, 6) & mask;
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voxel* vox = scripting::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->states = (vox->states & (~mask)) | (value << offset);
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return 0;
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}
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int l_is_replaceable_at(lua_State* L) {
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int x = lua_tointeger(L, 1);
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int y = lua_tointeger(L, 2);
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int z = lua_tointeger(L, 3);
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lua_pushboolean(L, scripting::level->chunks->isReplaceableBlock(x, y, z));
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return 1;
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}
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#define lua_addfunc(L, FUNC, NAME) (lua_pushcfunction(L, FUNC),\
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lua_setglobal(L, NAME))
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void apilua::create_funcs(lua_State* L) {
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lua_addfunc(L, l_block_index, "block_index");
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lua_addfunc(L, l_block_name, "block_name");
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lua_addfunc(L, l_blocks_count, "blocks_count");
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lua_addfunc(L, l_is_solid_at, "is_solid_at");
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lua_addfunc(L, l_is_replaceable_at, "is_replaceable_at");
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lua_addfunc(L, l_set_block, "set_block");
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lua_addfunc(L, l_get_block, "get_block");
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lua_addfunc(L, l_get_block_x, "get_block_X");
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lua_addfunc(L, l_get_block_y, "get_block_Y");
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lua_addfunc(L, l_get_block_z, "get_block_Z");
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lua_addfunc(L, l_get_player_pos, "get_player_pos");
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lua_addfunc(L, l_set_player_pos, "set_player_pos");
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lua_addfunc(L, l_get_player_rot, "get_player_rot");
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lua_addfunc(L, l_set_player_rot, "set_player_rot");
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lua_addfunc(L, l_get_block_states, "get_block_states");
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lua_addfunc(L, l_get_block_user_bits, "get_block_user_bits");
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lua_addfunc(L, l_set_block_user_bits, "set_block_user_bits");
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}
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