sm64coopdx/src/pc/lua/smlua_utils.c
2025-03-28 14:51:28 +10:00

796 lines
25 KiB
C

#include "smlua.h"
#include "pc/mods/mods.h"
#include "audio/external.h"
u8 gSmLuaConvertSuccess = false;
#define VEC3F_BUFFER_COUNT 64
static Vec3f sVec3fBuffer[VEC3F_BUFFER_COUNT] = { 0 };
static u8 sVec3fBufferIndex = 0;
#define VEC3S_BUFFER_COUNT 64
static Vec3s sVec3sBuffer[VEC3S_BUFFER_COUNT] = { 0 };
static u8 sVec3sBufferIndex = 0;
#define VEC4F_BUFFER_COUNT 64
static Vec4f sVec4fBuffer[VEC4F_BUFFER_COUNT] = { 0 };
static u8 sVec4fBufferIndex = 0;
#define VEC4S_BUFFER_COUNT 64
static Vec4s sVec4sBuffer[VEC4S_BUFFER_COUNT] = { 0 };
static u8 sVec4sBufferIndex = 0;
#define COLOR_BUFFER_COUNT 64
static Color sColorBuffer[COLOR_BUFFER_COUNT] = { 0 };
static u8 sColorBufferIndex = 0;
f32* smlua_get_vec3f_from_buffer(void) {
if (sVec3fBufferIndex >= VEC3F_BUFFER_COUNT) { sVec3fBufferIndex = 0; }
return sVec3fBuffer[sVec3fBufferIndex++];
}
s16* smlua_get_vec3s_from_buffer(void) {
if (sVec3sBufferIndex >= VEC3S_BUFFER_COUNT) { sVec3sBufferIndex = 0; }
return sVec3sBuffer[sVec3sBufferIndex++];
}
f32* smlua_get_vec4f_from_buffer(void) {
if (sVec4fBufferIndex >= VEC4F_BUFFER_COUNT) { sVec4fBufferIndex = 0; }
return sVec4fBuffer[sVec4fBufferIndex++];
}
s16* smlua_get_vec4s_from_buffer(void) {
if (sVec4sBufferIndex >= VEC4S_BUFFER_COUNT) { sVec4sBufferIndex = 0; }
return sVec4sBuffer[sVec4sBufferIndex++];
}
u8* smlua_get_color_from_buffer(void) {
if (sColorBufferIndex >= COLOR_BUFFER_COUNT) { sColorBufferIndex = 0; }
return sColorBuffer[sColorBufferIndex++];
}
f32 *smlua_get_vec3f_for_play_sound(f32 *pos) {
if (pos < (f32 *) sVec3fBuffer || pos >= (f32 *) (sVec3fBuffer + VEC3F_BUFFER_COUNT)) {
return pos;
}
if (memcmp(pos, gGlobalSoundSource, sizeof(Vec3f)) == 0) {
return gGlobalSoundSource;
}
for (s32 i = 0; i != MAX_PLAYERS; ++i) {
if (gMarioStates[i].marioObj && memcmp(pos, gMarioStates[i].marioObj->header.gfx.cameraToObject, sizeof(Vec3f)) == 0) {
return gMarioStates[i].marioObj->header.gfx.cameraToObject;
}
}
return pos;
}
///////////////////////////////////////////////////////////////////////////////////////////
void smlua_bind_function(lua_State* L, const char* name, void* func) {
lua_pushcfunction(L, func);
lua_setglobal(L, name);
}
bool smlua_is_table_empty(int index) {
lua_pushnil(gLuaState); // key
if (lua_next(gLuaState, index)) {
lua_pop(gLuaState, 2);
return false;
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////
bool smlua_to_boolean(lua_State* L, int index) {
if (lua_type(L, index) != LUA_TBOOLEAN) {
LOG_LUA_LINE("smlua_to_boolean received improper type '%s'", luaL_typename(L, index));
gSmLuaConvertSuccess = false;
return 0;
}
return lua_toboolean(L, index) ? true : false;
}
lua_Integer smlua_to_integer(lua_State* L, int index) {
if (lua_type(L, index) == LUA_TBOOLEAN) {
gSmLuaConvertSuccess = true;
return lua_toboolean(L, index) ? 1 : 0;
} else if (lua_type(L, index) != LUA_TNUMBER) {
LOG_LUA_LINE("smlua_to_integer received improper type '%s'", luaL_typename(L, index));
gSmLuaConvertSuccess = false;
return 0;
}
gSmLuaConvertSuccess = true;
lua_Integer val = lua_tointeger(L, index);
return (val == 0) ? lua_tonumber(L, index) : val;
}
lua_Number smlua_to_number(lua_State* L, int index) {
if (lua_type(L, index) == LUA_TBOOLEAN) {
gSmLuaConvertSuccess = true;
return lua_toboolean(L, index) ? 1 : 0;
} else if (lua_type(L, index) != LUA_TNUMBER) {
LOG_LUA_LINE("smlua_to_number received improper type '%s'", luaL_typename(L, index));
gSmLuaConvertSuccess = false;
return 0;
}
gSmLuaConvertSuccess = true;
return lua_tonumber(L, index);
}
const char* smlua_to_string(lua_State* L, int index) {
if (lua_type(L, index) != LUA_TSTRING) {
LOG_LUA_LINE("smlua_to_string received improper type '%s'", luaL_typename(L, index));
gSmLuaConvertSuccess = false;
return 0;
}
gSmLuaConvertSuccess = true;
return lua_tostring(L, index);
}
LuaFunction smlua_to_lua_function(lua_State* L, int index) {
if (lua_type(L, index) == LUA_TNIL) {
return 0;
}
if (lua_type(L, index) != LUA_TFUNCTION) {
LOG_LUA_LINE("smlua_to_lua_function received improper type '%s'", luaL_typename(L, index));
gSmLuaConvertSuccess = false;
return 0;
}
gSmLuaConvertSuccess = true;
lua_pushvalue(L, index);
return luaL_ref(L, LUA_REGISTRYINDEX);
}
bool smlua_is_cobject(lua_State* L, int index, UNUSED u16 lot) {
return lua_isuserdata(L, index);
}
void* smlua_to_cobject(lua_State* L, int index, u16 lot) {
s32 indexType = lua_type(L, index);
if (indexType != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_to_cobject received improper type '%s'", lua_typename(L, indexType));
gSmLuaConvertSuccess = false;
return NULL;
}
CObject *cobject = luaL_checkudata(L, index, "CObject");
if (lot != cobject->lot) {
LOG_LUA_LINE("smlua_to_cobject received improper LOT. Expected '%s', received '%s'", smlua_get_lot_name(lot), smlua_get_lot_name(cobject->lot));
gSmLuaConvertSuccess = false;
return NULL;
}
if (cobject->pointer == NULL) {
LOG_LUA_LINE("smlua_to_cobject received null pointer.");
gSmLuaConvertSuccess = false;
return NULL;
}
gSmLuaConvertSuccess = true;
return cobject->pointer;
}
void* smlua_to_cpointer(lua_State* L, int index, u16 lvt) {
s32 indexType = lua_type(L, index);
if (indexType != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_to_cpointer received improper type '%s'", lua_typename(L, indexType));
gSmLuaConvertSuccess = false;
return NULL;
}
CPointer *cpointer = luaL_checkudata(L, index, "CPointer");
if (lvt != cpointer->lvt) {
LOG_LUA_LINE("smlua_to_cpointer received improper LOT. Expected '%s', received '%s'", smlua_get_lvt_name(lvt), smlua_get_lvt_name(cpointer->lvt));
gSmLuaConvertSuccess = false;
return NULL;
}
if (cpointer->pointer == NULL) {
LOG_LUA_LINE("smlua_to_cpointer received null pointer.");
gSmLuaConvertSuccess = false;
return NULL;
}
gSmLuaConvertSuccess = true;
return cpointer->pointer;
}
struct LSTNetworkType smlua_to_lnt(lua_State* L, int index) {
struct LSTNetworkType lnt = { 0 };
int valueType = lua_type(L, index);
if (valueType == LUA_TNUMBER) {
lnt.type = LST_NETWORK_TYPE_INTEGER;
lnt.value.integer = lua_tointeger(L, index);
lnt.size = sizeof(u8) + sizeof(long long);
if (lnt.value.integer == 0) {
lnt.type = LST_NETWORK_TYPE_NUMBER;
lnt.value.number = lua_tonumber(L, index);
lnt.size = sizeof(u8) + sizeof(double);
if (lnt.value.number == 0) {
lnt.type = LST_NETWORK_TYPE_INTEGER;
lnt.size = sizeof(u8) + sizeof(long long);
}
}
gSmLuaConvertSuccess = true;
return lnt;
}
if (valueType == LUA_TBOOLEAN) {
lnt.type = LST_NETWORK_TYPE_BOOLEAN;
lnt.value.boolean = lua_toboolean(L, index);
lnt.size = sizeof(u8) + sizeof(u8);
gSmLuaConvertSuccess = true;
return lnt;
}
if (valueType == LUA_TSTRING) {
lnt.type = LST_NETWORK_TYPE_STRING;
lnt.value.string = (char*)lua_tostring(L, index);
if (lnt.value.string == NULL || strlen(lnt.value.string) > 256) {
LOG_LUA_LINE("smlua_to_lnt on invalid string value: '%s'", (lnt.value.string == NULL) ? "<null>" : lnt.value.string);
gSmLuaConvertSuccess = false;
return lnt;
}
lnt.size = sizeof(u8) + sizeof(u16) + sizeof(u8) * strlen(lnt.value.string);
gSmLuaConvertSuccess = true;
return lnt;
}
if (valueType == LUA_TNIL) {
lnt.type = LST_NETWORK_TYPE_NIL;
lnt.size = sizeof(u8);
gSmLuaConvertSuccess = true;
return lnt;
}
LOG_LUA_LINE("smlua_to_lnt on invalid type: '%d'", valueType);
gSmLuaConvertSuccess = false;
return lnt;
}
///////////////////////////////////////////////////////////////////////////////////////////
bool packet_write_lnt(struct Packet* p, struct LSTNetworkType* lnt) {
u8 lntType = lnt->type;
packet_write(p, &lntType, sizeof(u8));
switch (lnt->type) {
case LST_NETWORK_TYPE_NUMBER: {
f64 number = lnt->value.number;
packet_write(p, &number, sizeof(f64));
return true;
}
case LST_NETWORK_TYPE_INTEGER: {
s64 integer = lnt->value.integer;
packet_write(p, &integer, sizeof(s64));
return true;
}
case LST_NETWORK_TYPE_BOOLEAN: {
packet_write(p, &lnt->value.boolean, sizeof(u8));
return true;
}
case LST_NETWORK_TYPE_STRING: {
u16 valueLength = strlen(lnt->value.string);
if (valueLength < 1 || valueLength > 256) {
LOG_ERROR("attempted to send lua variable with invalid string length: %u", valueLength);
return false;
}
packet_write(p, &valueLength, sizeof(u16));
packet_write(p, lnt->value.string, valueLength * sizeof(u8));
return true;
}
case LST_NETWORK_TYPE_NIL: {
// no-op
return true;
}
default:
break;
}
LOG_ERROR("attempted to send lua variable with invalid lnt type: %d", lnt->type);
return false;
}
bool packet_read_lnt(struct Packet* p, struct LSTNetworkType* lnt) {
packet_read(p, &lnt->type, sizeof(u8));
switch (lnt->type) {
case LST_NETWORK_TYPE_NUMBER:
packet_read(p, &lnt->value.number, sizeof(f64));
return true;
case LST_NETWORK_TYPE_INTEGER:
packet_read(p, &lnt->value.integer, sizeof(s64));
return true;
case LST_NETWORK_TYPE_BOOLEAN:
packet_read(p, &lnt->value.boolean, sizeof(u8));
return true;
case LST_NETWORK_TYPE_STRING: {
u16 valueLength = 0;
packet_read(p, &valueLength, sizeof(u16));
if (valueLength < 1 || valueLength > 256) {
LOG_ERROR("received lua variable with invalid value length: %d", valueLength);
return false;
}
lnt->value.string = calloc(valueLength + 1, sizeof(char));
packet_read(p, lnt->value.string, valueLength * sizeof(u8));
return true;
}
case LST_NETWORK_TYPE_NIL:
// no-op
return true;
default:
break;
}
LOG_ERROR("received lua variable with invalid type: %d", lnt->type);
return false;
}
///////////////////////////////////////////////////////////////////////////////////////////
CObject *smlua_push_object(lua_State* L, u16 lot, void* p, void *extraInfo) {
if (p == NULL) {
lua_pushnil(L);
return;
}
LUA_STACK_CHECK_BEGIN_NUM(1);
uintptr_t key = (lot * 0x9E3779B97F4A7C15) ^ ((uintptr_t)p >> 3);
lua_rawgeti(L, LUA_REGISTRYINDEX, gSmLuaCObjects);
lua_pushinteger(L, key);
lua_gettable(L, -2);
if (lua_isuserdata(L, -1)) {
const CObject *cobj = lua_touserdata(L, -1);
if (cobj && cobj->lot == lot && cobj->pointer == p) {
lua_remove(L, -2); // Remove gSmLuaCObjects table
return;
}
}
lua_pop(L, 1);
CObject *cobject = lua_newuserdata(L, sizeof(CObject));
cobject->pointer = p;
cobject->lot = lot;
cobject->freed = false;
cobject->info = extraInfo;
lua_rawgeti(L, LUA_REGISTRYINDEX, gSmLuaCObjectMetatable);
lua_setmetatable(L, -2);
lua_pushinteger(L, key);
lua_pushvalue(L, -2); // Duplicate userdata
lua_settable(L, -4);
lua_remove(L, -2); // Remove gSmLuaCObjects table
LUA_STACK_CHECK_END();
return cobject;
}
CPointer *smlua_push_pointer(lua_State* L, u16 lvt, void* p, void *extraInfo) {
if (p == NULL) {
lua_pushnil(L);
return;
}
LUA_STACK_CHECK_BEGIN_NUM(1);
uintptr_t key = (lvt * 0x9E3779B97F4A7C15) ^ ((uintptr_t)p >> 3);
lua_rawgeti(L, LUA_REGISTRYINDEX, gSmLuaCPointers);
lua_pushinteger(L, key);
lua_gettable(L, -2);
if (lua_isuserdata(L, -1)) {
const CPointer *cptr = lua_touserdata(L, 1);
if (cptr && cptr->lvt == lvt && cptr->pointer == p) {
lua_remove(L, -2); // Remove gSmLuaCPointers table
return;
}
}
lua_pop(L, 1);
CPointer *cpointer = lua_newuserdata(L, sizeof(CPointer));
cpointer->pointer = p;
cpointer->lvt = lvt;
cpointer->freed = false;
cpointer->info = extraInfo;
lua_rawgeti(L, LUA_REGISTRYINDEX, gSmLuaCPointerMetatable);
lua_setmetatable(L, -2);
lua_pushinteger(L, key);
lua_pushvalue(L, -2); // Duplicate userdata
lua_settable(L, -4);
lua_remove(L, -2); // Remove gSmLuaCPointers table
LUA_STACK_CHECK_END();
return cpointer;
}
void smlua_push_integer_field(int index, const char* name, lua_Integer val) {
lua_pushinteger(gLuaState, val);
lua_setfield(gLuaState, index, name);
}
void smlua_push_number_field(int index, const char* name, lua_Number val) {
lua_pushnumber(gLuaState, val);
lua_setfield(gLuaState, index, name);
}
void smlua_push_string_field(int index, const char* name, const char* val) {
lua_pushstring(gLuaState, val);
lua_setfield(gLuaState, index, name);
}
void smlua_push_nil_field(int index, const char* name) {
lua_pushnil(gLuaState);
lua_setfield(gLuaState, index, name);
}
void smlua_push_table_field(int index, const char* name) {
lua_newtable(gLuaState);
lua_setfield(gLuaState, index, name);
}
///////////////////////////////////////////////////////////////////////////////////////////
void smlua_push_lnt(struct LSTNetworkType* lnt) {
lua_State* L = gLuaState;
switch (lnt->type) {
case LST_NETWORK_TYPE_INTEGER:
lua_pushinteger(L, lnt->value.integer);
break;
case LST_NETWORK_TYPE_NUMBER:
lua_pushnumber(L, lnt->value.number);
break;
case LST_NETWORK_TYPE_BOOLEAN:
lua_pushboolean(L, lnt->value.boolean);
break;
case LST_NETWORK_TYPE_STRING:
lua_pushstring(L, lnt->value.string);
break;
case LST_NETWORK_TYPE_NIL:
lua_pushnil(L);
break;
default: SOFT_ASSERT(false);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
lua_Integer smlua_get_integer_field(int index, const char* name) {
if (lua_type(gLuaState, index) != LUA_TTABLE && lua_type(gLuaState, index) != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_get_integer_field received improper type '%s'", luaL_typename(gLuaState, index));
gSmLuaConvertSuccess = false;
return 0;
}
lua_getfield(gLuaState, index, name);
lua_Integer val = smlua_to_integer(gLuaState, -1);
lua_pop(gLuaState, 1);
return val;
}
lua_Number smlua_get_number_field(int index, const char* name) {
if (lua_type(gLuaState, index) != LUA_TTABLE && lua_type(gLuaState, index) != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_get_number_field received improper type '%s'", luaL_typename(gLuaState, index));
gSmLuaConvertSuccess = false;
return 0;
}
lua_getfield(gLuaState, index, name);
lua_Number val = smlua_to_number(gLuaState, -1);
lua_pop(gLuaState, 1);
return val;
}
const char* smlua_get_string_field(int index, const char* name) {
if (lua_type(gLuaState, index) != LUA_TTABLE && lua_type(gLuaState, index) != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_get_string_field received improper type '%s'", luaL_typename(gLuaState, index));
gSmLuaConvertSuccess = false;
return 0;
}
lua_getfield(gLuaState, index, name);
const char* val = smlua_to_string(gLuaState, -1);
lua_pop(gLuaState, 1);
return val;
}
LuaFunction smlua_get_function_field(int index, const char *name) {
if (lua_type(gLuaState, index) != LUA_TTABLE && lua_type(gLuaState, index) != LUA_TUSERDATA) {
LOG_LUA_LINE("smlua_get_function_field received improper type '%s'", luaL_typename(gLuaState, index));
gSmLuaConvertSuccess = false;
return 0;
}
lua_getfield(gLuaState, index, name);
LuaFunction val = smlua_to_lua_function(gLuaState, -1);
lua_pop(gLuaState, 1);
return val;
}
///////////////////////////////////////////////////////////////////////////////////////////
s64 smlua_get_integer_mod_variable(u16 modIndex, const char* variable) {
lua_State* L = gLuaState;
if (!gActiveMods.entries) {
LOG_ERROR("Could not find mod list entries");
return 0;
}
if (modIndex >= gActiveMods.entryCount) {
LOG_ERROR("Could not find mod list entry");
return 0;
}
// figure out entry
struct Mod* mod = gActiveMods.entries[modIndex];
if (mod == NULL) {
LOG_ERROR("Could not find mod list entry for modIndex: %u", modIndex);
return 0;
}
u8 prevSuppress = gSmLuaSuppressErrors;
int prevTop = lua_gettop(L);
lua_getglobal(L, "_G"); // get global table
lua_getfield(L, LUA_REGISTRYINDEX, mod->relativePath); // get the file's "global" table
gSmLuaSuppressErrors = true;
s64 value = smlua_get_integer_field(-1, (char*)variable);
lua_settop(L, prevTop);
// return variable
gSmLuaSuppressErrors = prevSuppress;
return value;
}
s64 smlua_get_any_integer_mod_variable(const char* variable) {
lua_State* L = gLuaState;
u8 prevSuppress = gSmLuaSuppressErrors;
s64 value = 0;
for (s32 i = 0; i < gActiveMods.entryCount; i++) {
// figure out entry
struct Mod* mod = gActiveMods.entries[i];
int prevTop = lua_gettop(L);
lua_getglobal(L, "_G"); // get global table
lua_getfield(L, LUA_REGISTRYINDEX, mod->relativePath); // get the file's "global" table
gSmLuaSuppressErrors = true;
value = smlua_get_integer_field(-1, (char*)variable);
lua_settop(L, prevTop);
if (gSmLuaConvertSuccess) {
gSmLuaSuppressErrors = prevSuppress;
return value;
}
}
// return variable
gSmLuaSuppressErrors = prevSuppress;
return value;
}
LuaFunction smlua_get_function_mod_variable(u16 modIndex, const char *variable) {
lua_State *L = gLuaState;
if (modIndex >= gActiveMods.entryCount) {
LOG_ERROR("Could not find mod list entry for modIndex: %u", modIndex);
return 0;
}
// figure out entry
struct Mod *mod = gActiveMods.entries[modIndex];
if (mod == NULL) {
LOG_ERROR("Could not find mod list entry for modIndex: %u", modIndex);
return 0;
}
u8 prevSuppress = gSmLuaSuppressErrors;
int prevTop = lua_gettop(L);
lua_getglobal(L, "_G"); // get global table
lua_getfield(L, LUA_REGISTRYINDEX, mod->relativePath); // get the file's "global" table
gSmLuaSuppressErrors = true;
LuaFunction value = smlua_get_function_field(-1, (char *)variable);
lua_settop(L, prevTop);
// return variable
gSmLuaSuppressErrors = prevSuppress;
return value;
}
LuaFunction smlua_get_any_function_mod_variable(const char *variable) {
lua_State *L = gLuaState;
u8 prevSuppress = gSmLuaSuppressErrors;
LuaFunction value = 0;
for (s32 i = 0; i < gActiveMods.entryCount; i++) {
// figure out entry
struct Mod *mod = gActiveMods.entries[i];
int prevTop = lua_gettop(L);
lua_getglobal(L, "_G"); // get global table
lua_getfield(L, LUA_REGISTRYINDEX, mod->relativePath); // get the file's "global" table
gSmLuaSuppressErrors = true;
value = smlua_get_function_field(-1, (char *)variable);
lua_settop(L, prevTop);
if (gSmLuaConvertSuccess) {
gSmLuaSuppressErrors = prevSuppress;
return value;
}
}
// return variable
gSmLuaSuppressErrors = prevSuppress;
return value;
}
///////////////////////////////////////////////////////////////////////////////////////////
const char* smlua_lnt_to_str(struct LSTNetworkType* lnt) {
static char sLntStr[32] = "";
switch (lnt->type) {
case LST_NETWORK_TYPE_INTEGER:
snprintf(sLntStr, 32, "%lld", lnt->value.integer);
break;
case LST_NETWORK_TYPE_NUMBER:
snprintf(sLntStr, 32, "%f", lnt->value.number);
break;
case LST_NETWORK_TYPE_BOOLEAN:
snprintf(sLntStr, 32, "%u", lnt->value.boolean);
break;
case LST_NETWORK_TYPE_STRING:
snprintf(sLntStr, 32, "%s", lnt->value.string);
break;
case LST_NETWORK_TYPE_NIL:
snprintf(sLntStr, 32, "<NIL>");
break;
default: SOFT_ASSERT_RETURN(false, "UNKNOWN");
}
return sLntStr;
}
void smlua_dump_stack(void) {
lua_State* L = gLuaState;
int top = lua_gettop(L);
printf("--------------\n");
for (int i = 1; i <= top; i++) {
printf("%d\t%s\t", i, luaL_typename(L, i));
switch (lua_type(L, i)) {
case LUA_TNUMBER:
printf("%g\n", lua_tonumber(L, i));
break;
case LUA_TSTRING:
printf("%s\n", lua_tostring(L, i));
break;
case LUA_TBOOLEAN:
printf("%s\n", (lua_toboolean(L, i) ? "true" : "false"));
break;
case LUA_TNIL:
printf("%s\n", "nil");
break;
default:
printf("%p\n", lua_topointer(L, i));
break;
}
}
printf("--------------\n");
}
void smlua_dump_globals(void) {
lua_State* L = gLuaState;
printf("--------------\n");
lua_pushglobaltable(L);
// table is in the stack at index 't'
lua_pushnil(L); // first key
while (lua_next(L, -2) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(L, -2) == LUA_TSTRING) {
printf("%s - %s\n",
lua_tostring(L, -2),
lua_typename(L, lua_type(L, -1)));
}
else {
printf("%s - %s\n",
lua_typename(L, lua_type(L, -2)),
lua_typename(L, lua_type(L, -1)));
}
// removes 'value'; keeps 'key' for next iteration
lua_pop(L, 1);
}
lua_pop(L, 1); // remove global table(-1)
printf("--------------\n");
}
void smlua_dump_table(int index) {
lua_State* L = gLuaState;
printf("--------------\n");
// table is in the stack at index 't'
lua_pushnil(L); // first key
while (lua_next(L, index) != 0) {
// uses 'key' (at index -2) and 'value' (at index -1)
if (lua_type(L, -2) == LUA_TSTRING) {
printf("%s - %s\n",
lua_tostring(L, -2),
lua_typename(L, lua_type(L, -1)));
}
else {
printf("%s - %s\n",
lua_typename(L, lua_type(L, -2)),
lua_typename(L, lua_type(L, -1)));
}
// removes 'value'; keeps 'key' for next iteration
lua_pop(L, 1);
}
printf("--------------\n");
}
void smlua_logline(void) {
lua_State* L = gLuaState;
lua_Debug info;
int level = 0;
while (lua_getstack(L, level, &info)) {
lua_getinfo(L, "nSl", &info);
// Get the folder and file
// in the format: "folder/file.lua"
const char* src = info.source;
int slashCount = 0;
const char* folderStart = NULL;
for (const char* p = src + strlen(src); p > src; --p) {
if (*p == '/' || *p == '\\') {
if (++slashCount == 2) {
folderStart = p + 1;
break;
}
}
}
LOG_LUA(" [%d] '%s':%d -- %s [%s]",
level, (folderStart ? folderStart : info.short_src), info.currentline,
(info.name ? info.name : "<unknown>"), info.what);
++level;
}
}
// If an object is freed that Lua has a CObject to,
// Lua is able to use-after-free that pointer
// todo figure out a better way to do this
void smlua_free(void *ptr) {
if (ptr && gLuaState) {
lua_State *L = gLuaState;
LUA_STACK_CHECK_BEGIN();
u16 lot = LOT_SURFACE; // Assuming this is a surface
uintptr_t key = lot ^ (uintptr_t) ptr;
lua_rawgeti(L, LUA_REGISTRYINDEX, gSmLuaCObjects);
lua_pushinteger(L, key);
lua_gettable(L, -2);
CObject *obj = (CObject *) lua_touserdata(L, -1);
if (obj && obj->pointer == ptr) {
obj->freed = true;
lua_pop(L, 1);
lua_pushinteger(L, key);
lua_pushnil(L);
lua_settable(L, -3);
} else {
lua_pop(L, 1);
}
lua_pop(L, 1);
LUA_STACK_CHECK_END();
}
free(ptr);
}