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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include <string>
#include <vector>
#include <map>
#include <cctype>
#include "LuaFeatureDefs.h"
#include "LuaInclude.h"
#include "LuaDefs.h"
#include "LuaHandle.h"
#include "LuaUtils.h"
#include "Sim/Features/FeatureDef.h"
#include "Sim/Features/FeatureDefHandler.h"
#include "Sim/Misc/CollisionVolume.h"
#include "Sim/Misc/GlobalSynced.h"
#include "System/Log/ILog.h"
static ParamMap paramMap;
static bool InitParamMap();
//static void PushFeatureDef(lua_State* L, const FeatureDef* featureDef, int index);
// iteration routines
static int Next(lua_State* L);
static int Pairs(lua_State* L);
// FeatureDef
static int FeatureDefIndex(lua_State* L);
static int FeatureDefNewIndex(lua_State* L);
static int FeatureDefMetatable(lua_State* L);
// special access functions
static int CustomParamsTable(lua_State* L, const void* data);
/******************************************************************************/
/******************************************************************************/
bool LuaFeatureDefs::PushEntries(lua_State* L)
{
InitParamMap();
typedef int (*IndxFuncType)(lua_State*);
typedef int (*IterFuncType)(lua_State*);
const auto& defsMap = featureDefHandler->GetFeatureDefs();
const std::array<const LuaHashString, 3> indxOpers = {{
LuaHashString("__index"),
LuaHashString("__newindex"),
LuaHashString("__metatable")
}};
const std::array<const LuaHashString, 2> iterOpers = {{
LuaHashString("pairs"),
LuaHashString("next")
}};
const std::array<const IndxFuncType, 3> indxFuncs = {FeatureDefIndex, FeatureDefNewIndex, FeatureDefMetatable};
const std::array<const IterFuncType, 2> iterFuncs = {Pairs, Next};
for (auto it = defsMap.cbegin(); it != defsMap.cend(); ++it) {
const auto def = featureDefHandler->GetFeatureDefByID(it->second); // ObjectDefMapType::mapped_type
if (def == NULL)
continue;
PushObjectDefProxyTable(L, indxOpers, iterOpers, indxFuncs, iterFuncs, def);
}
return true;
}
/******************************************************************************/
/*static void PushFeatureDef(lua_State* L, const FeatureDef* fd, int index)
{
lua_pushnumber(L, fd->id);
lua_newtable(L); { // the proxy table
lua_newtable(L); { // the metatable
HSTR_PUSH(L, "__index");
lua_pushlightuserdata(L, (void*)fd);
lua_pushcclosure(L, FeatureDefIndex, 1);
lua_rawset(L, -3); // closure
HSTR_PUSH(L, "__newindex");
lua_pushlightuserdata(L, (void*)fd);
lua_pushcclosure(L, FeatureDefNewIndex, 1);
lua_rawset(L, -3);
HSTR_PUSH(L, "__metatable");
lua_pushlightuserdata(L, (void*)fd);
lua_pushcclosure(L, FeatureDefMetatable, 1);
lua_rawset(L, -3);
}
lua_setmetatable(L, -2);
}
HSTR_PUSH(L, "pairs");
lua_pushcfunction(L, Pairs);
lua_rawset(L, -3);
HSTR_PUSH(L, "next");
lua_pushcfunction(L, Next);
lua_rawset(L, -3);
lua_rawset(L, index); // proxy table into FeatureDefs
}*/
/******************************************************************************/
static int FeatureDefIndex(lua_State* L)
{
// not a default value
if (!lua_isstring(L, 2)) {
lua_rawget(L, 1);
return 1;
}
const char* name = lua_tostring(L, 2);
ParamMap::const_iterator it = paramMap.find(name);
// not a default value
if (it == paramMap.end()) {
lua_rawget(L, 1);
return 1;
}
const void* userData = lua_touserdata(L, lua_upvalueindex(1));
const FeatureDef* fd = static_cast<const FeatureDef*>(userData);
const DataElement& elem = it->second;
const void* p = ((const char*)fd) + elem.offset;
switch (elem.type) {
case READONLY_TYPE: {
lua_rawget(L, 1);
return 1;
}
case INT_TYPE: {
lua_pushnumber(L, *reinterpret_cast<const int*>(p));
return 1;
}
case BOOL_TYPE: {
lua_pushboolean(L, *reinterpret_cast<const bool*>(p));
return 1;
}
case FLOAT_TYPE: {
lua_pushnumber(L, *reinterpret_cast<const float*>(p));
return 1;
}
case STRING_TYPE: {
lua_pushsstring(L, *reinterpret_cast<const std::string*>(p));
return 1;
}
case FUNCTION_TYPE: {
return elem.func(L, p);
}
case ERROR_TYPE: {
LOG_L(L_ERROR, "[%s] ERROR_TYPE for key \"%s\" in FeatureDefs __index", __FUNCTION__, name);
lua_pushnil(L);
return 1;
}
}
return 0;
}
static int FeatureDefNewIndex(lua_State* L)
{
// not a default value, set it
if (!lua_isstring(L, 2)) {
lua_rawset(L, 1);
return 0;
}
const char* name = lua_tostring(L, 2);
ParamMap::const_iterator it = paramMap.find(name);
// not a default value, set it
if (it == paramMap.end()) {
lua_rawset(L, 1);
return 0;
}
const void* userData = lua_touserdata(L, lua_upvalueindex(1));
const FeatureDef* fd = static_cast<const FeatureDef*>(userData);
// write-protected
if (!gs->editDefsEnabled) {
luaL_error(L, "Attempt to write FeatureDefs[%d].%s", fd->id, name);
return 0;
}
// Definition editing
const DataElement& elem = it->second;
const void* p = ((const char*)fd) + elem.offset;
switch (elem.type) {
case FUNCTION_TYPE:
case READONLY_TYPE: {
luaL_error(L, "Can not write to %s", name);
return 0;
}
case INT_TYPE: {
*((int*)p) = lua_toint(L, -1);
return 0;
}
case BOOL_TYPE: {
*((bool*)p) = lua_toboolean(L, -1);
return 0;
}
case FLOAT_TYPE: {
*((float*)p) = lua_tofloat(L, -1);
return 0;
}
case STRING_TYPE: {
*((string*)p) = lua_tostring(L, -1);
return 0;
}
case ERROR_TYPE: {
LOG_L(L_ERROR, "[%s] ERROR_TYPE for key \"%s\" in FeatureDefs __newindex", __FUNCTION__, name);
lua_pushnil(L);
return 1;
}
}
return 0;
}
static int FeatureDefMetatable(lua_State* L)
{
/*const void* userData =*/ lua_touserdata(L, lua_upvalueindex(1));
//const FeatureDef* fd = (const FeatureDef*)userData;
return 0;
}
/******************************************************************************/
static int Next(lua_State* L)
{
return LuaUtils::Next(paramMap, L);
}
static int Pairs(lua_State* L)
{
luaL_checktype(L, 1, LUA_TTABLE);
lua_pushcfunction(L, Next); // iterator
lua_pushvalue(L, 1); // state (table)
lua_pushnil(L); // initial value
return 3;
}
/******************************************************************************/
/******************************************************************************/
static int CustomParamsTable(lua_State* L, const void* data)
{
const spring::unordered_map<std::string, std::string>& params = *((const spring::unordered_map<std::string, std::string>*)data);
lua_newtable(L);
for (auto it = params.cbegin(); it != params.cend(); ++it) {
lua_pushsstring(L, it->first);
lua_pushsstring(L, it->second);
lua_rawset(L, -3);
}
return 1;
}
static int ModelTable(lua_State* L, const void* data) {
return (LuaUtils::PushModelTable(L, static_cast<const SolidObjectDef*>(data)));
}
static int ModelName(lua_State* L, const void* data) {
return (LuaUtils::PushModelName(L, static_cast<const SolidObjectDef*>(data)));
}
static int ModelType(lua_State* L, const void* data) {
return (LuaUtils::PushModelType(L, static_cast<const SolidObjectDef*>(data)));
}
static int ModelPath(lua_State* L, const void* data) {
return (LuaUtils::PushModelPath(L, static_cast<const SolidObjectDef*>(data)));
}
static int ModelHeight(lua_State* L, const void* data) {
return (LuaUtils::PushModelHeight(L, static_cast<const SolidObjectDef*>(data), false));
}
static int ModelRadius(lua_State* L, const void* data) {
return (LuaUtils::PushModelRadius(L, static_cast<const SolidObjectDef*>(data), false));
}
static int ModelDrawType(lua_State* L, const void* data) {
return (LuaUtils::PushFeatureModelDrawType(L, static_cast<const FeatureDef*>(data)));
}
static int ColVolTable(lua_State* L, const void* data) {
return (LuaUtils::PushColVolTable(L, static_cast<const CollisionVolume*>(data)));
}
/******************************************************************************/
/******************************************************************************/
static bool InitParamMap()
{
spring::clear_unordered_map(paramMap);
paramMap["next"] = DataElement(READONLY_TYPE);
paramMap["pairs"] = DataElement(READONLY_TYPE);
// dummy FeatureDef for address lookups
const FeatureDef fd;
const char* start = ADDRESS(fd);
ADD_FUNCTION("model", fd, ModelTable);
ADD_FUNCTION("collisionVolume", fd.collisionVolume, ColVolTable);
ADD_FUNCTION("selectionVolume", fd.selectionVolume, ColVolTable);
ADD_FUNCTION("modelname", fd, ModelName);
ADD_FUNCTION("modeltype", fd, ModelType);
ADD_FUNCTION("modelpath", fd, ModelPath);
ADD_FUNCTION("height", fd, ModelHeight);
ADD_FUNCTION("radius", fd, ModelRadius);
ADD_FUNCTION("drawTypeString", fd, ModelDrawType);
ADD_FUNCTION("customParams", fd.customParams, CustomParamsTable);
ADD_INT("id", fd.id);
ADD_INT("deathFeatureID", fd.deathFeatureDefID);
ADD_STRING("name", fd.name);
ADD_STRING("tooltip", fd.description);
ADD_FLOAT("metal", fd.metal);
ADD_FLOAT("energy", fd.energy);
ADD_FLOAT("maxHealth", fd.health);
ADD_FLOAT("reclaimTime", fd.reclaimTime);
ADD_FLOAT("mass", fd.mass);
ADD_INT("xsize", fd.xsize);
ADD_INT("zsize", fd.zsize);
ADD_INT("drawType", fd.drawType);
ADD_BOOL("upright", fd.upright);
ADD_BOOL("destructable", fd.destructable);
ADD_BOOL("reclaimable", fd.reclaimable);
ADD_BOOL("autoreclaim", fd.autoreclaim);
ADD_BOOL("blocking", fd.collidable);
ADD_BOOL("burnable", fd.burnable);
ADD_BOOL("floating", fd.floating);
ADD_BOOL("geoThermal", fd.geoThermal);
ADD_BOOL("noSelect", fd.selectable);
ADD_INT("resurrectable", fd.resurrectable);
ADD_INT("smokeTime", fd.smokeTime);
ADD_DEPRECATED_LUADEF_KEY("minx");
ADD_DEPRECATED_LUADEF_KEY("miny");
ADD_DEPRECATED_LUADEF_KEY("minz");
ADD_DEPRECATED_LUADEF_KEY("midx");
ADD_DEPRECATED_LUADEF_KEY("midy");
ADD_DEPRECATED_LUADEF_KEY("midz");
ADD_DEPRECATED_LUADEF_KEY("maxx");
ADD_DEPRECATED_LUADEF_KEY("maxy");
ADD_DEPRECATED_LUADEF_KEY("maxz");
ADD_DEPRECATED_LUADEF_KEY("deathFeature");
return true;
}
/******************************************************************************/
/******************************************************************************/
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