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Fix trailing structs 

The change to allow flexible trailing struct sizes broke
`attachSkillResults` oops
This commit is contained in:
gsemaj 2023-07-25 17:05:44 +00:00
parent 0f09808bc4
commit 41622ad8aa
1 changed files with 18 additions and 13 deletions
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31
src/Abilities.cpp
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@ -216,16 +216,18 @@ static std::vector<SkillResult> handleSkill(SkillData* skill, int power, ICombat
return results;
}
static void attachSkillResults(std::vector<SkillResult> results, size_t resultSize, uint8_t* pivot) {
static void attachSkillResults(std::vector<SkillResult> results, uint8_t* pivot) {
for(SkillResult& result : results) {
memcpy(pivot, result.payload, resultSize);
pivot += resultSize;
size_t sz = result.size;
memcpy(pivot, result.payload, sz);
pivot += sz;
}
}
void Abilities::useNanoSkill(CNSocket* sock, SkillData* skill, sNano& nano, std::vector<ICombatant*> affected) {
Player* plr = PlayerManager::getPlayer(sock);
ICombatant* combatant = dynamic_cast<ICombatant*>(plr);
int boost = 0;
if (Nanos::getNanoBoost(plr))
@ -237,17 +239,19 @@ void Abilities::useNanoSkill(CNSocket* sock, SkillData* skill, sNano& nano, std:
nano.iStamina = 0;
}
std::vector<SkillResult> results = handleSkill(skill, boost, plr, affected);
std::vector<SkillResult> results = handleSkill(skill, boost, combatant, affected);
if(results.empty()) return; // no effect; no need for confirmation packets
size_t resultSize = MAX_SKILLRESULT_SIZE; // lazy
if (!validOutVarPacket(sizeof(sP_FE2CL_NANO_SKILL_USE_SUCC), results.size(), resultSize)) {
// lazy validation since skill results might be different sizes
if (!validOutVarPacket(sizeof(sP_FE2CL_NANO_SKILL_USE_SUCC), results.size(), MAX_SKILLRESULT_SIZE)) {
std::cout << "[WARN] bad sP_FE2CL_NANO_SKILL_USE_SUCC packet size\n";
return;
}
// initialize response struct
size_t resplen = sizeof(sP_FE2CL_NANO_SKILL_USE_SUCC) + results.size() * resultSize;
size_t resplen = sizeof(sP_FE2CL_NANO_SKILL_USE_SUCC);
for(SkillResult& sr : results)
resplen += sr.size;
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
@ -260,7 +264,7 @@ void Abilities::useNanoSkill(CNSocket* sock, SkillData* skill, sNano& nano, std:
pkt->eST = (int32_t)skill->skillType;
pkt->iTargetCnt = (int32_t)results.size();
attachSkillResults(results, resultSize, (uint8_t*)(pkt + 1));
attachSkillResults(results, (uint8_t*)(pkt + 1));
sock->sendPacket(pkt, P_FE2CL_NANO_SKILL_USE_SUCC, resplen);
if(skill->skillType == SkillType::RECALL_GROUP)
@ -284,15 +288,16 @@ void Abilities::useNPCSkill(EntityRef npc, int skillID, std::vector<ICombatant*>
std::vector<SkillResult> results = handleSkill(skill, 0, src, affected);
if(results.empty()) return; // no effect; no need for confirmation packets
size_t resultSize = results.back().size; // guaranteed to be the same for every item
if (!validOutVarPacket(sizeof(sP_FE2CL_NPC_SKILL_HIT), results.size(), resultSize)) {
// lazy validation since skill results might be different sizes
if (!validOutVarPacket(sizeof(sP_FE2CL_NPC_SKILL_HIT), results.size(), MAX_SKILLRESULT_SIZE)) {
std::cout << "[WARN] bad sP_FE2CL_NPC_SKILL_HIT packet size\n";
return;
}
// initialize response struct
size_t resplen = sizeof(sP_FE2CL_NPC_SKILL_HIT) + results.size() * resultSize;
size_t resplen = sizeof(sP_FE2CL_NPC_SKILL_HIT);
for(SkillResult& sr : results)
resplen += sr.size;
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
@ -302,7 +307,7 @@ void Abilities::useNPCSkill(EntityRef npc, int skillID, std::vector<ICombatant*>
pkt->eST = (int32_t)skill->skillType;
pkt->iTargetCnt = (int32_t)results.size();
attachSkillResults(results, resultSize, (uint8_t*)(pkt + 1));
attachSkillResults(results, (uint8_t*)(pkt + 1));
NPCManager::sendToViewable(entity, pkt, P_FE2CL_NPC_SKILL_HIT, resplen);
}