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begin serversimulation

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This commit is contained in:
Simon Pribylski
2025-08-03 18:20:21 +02:00
parent c0a560a16e
commit 731c742346
6 changed files with 58 additions and 25 deletions
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14
src/main.cpp
View File

@@ -1,14 +1,14 @@
#include <iostream>
#include <td/protocol/packet/PacketSerialize.h>
#include <fstream>
#include <td/game/World.h>
#include <td/input/Display.h>
#include <td/protocol/packet/PacketSerialize.h>
#include <td/protocol/packet/Packets.h>
#include <td/render/renderer/EntityRenderer.h>
#include <td/render/renderer/TowerRenderer.h>
#include <td/render/renderer/WorldRenderer.h>
#include <td/simulation/RealTimeSimulation.h>
#include <td/simulation/ClientSimulation.h>
#include <sp/common/DataBuffer.h>
#include <sp/extensions/Compress.h>
@@ -59,8 +59,8 @@ td::game::World GetWorld() {
WorldApply wa(w);
td::protocol::PacketDispatcher d;
d.RegisterHandler(td::protocol::PacketID::WorldData, &wa);
d.RegisterHandler(td::protocol::PacketID::WorldHeader, &wa);
d.RegisterHandler(td::protocol::PacketID::WorldData, &wa);
d.Dispatch(*header);
d.Dispatch(*data);
@@ -83,7 +83,7 @@ td::sim::GameHistory GetCustomHistory() {
td::sim::GameHistory gh(MAX_COUNT);
auto spawn = td::protocol::CommandPtr(
std::make_shared<td::protocol::commands::SpawnTroopCommand>(0, 0, td::Vec2fp{td::FpFloat(77), td::FpFloat(13)}, 0));
std::make_shared<td::protocol::commands::SpawnTroopCommand>(td::EntityType::Zombie, 0, td::Vec2fp{td::FpFloat(77), td::FpFloat(13)}, 0));
gh[0].push_back(spawn);
auto tower = td::protocol::CommandPtr(
@@ -114,17 +114,17 @@ int main(int argc, char** argv) {
cam.SetCamPos({77, 7, 13});
cam.UpdatePerspective(display.GetAspectRatio());
td::sim::RealTimeSimulation simulation(w, 50);
td::sim::ClientSimulation simulation(w, 50);
display.OnKeyDown.Connect([&simulation](SDL_Keycode key) {
static int counter = 0;
if (key == SDLK_A) {
auto spawn = td::protocol::CommandPtr(
std::make_shared<td::protocol::commands::SpawnTroopCommand>(0, 0, td::Vec2fp{td::FpFloat(77), td::FpFloat(13)}, 0));
std::make_shared<td::protocol::commands::SpawnTroopCommand>(td::EntityType::Zombie, 0, td::Vec2fp{td::FpFloat(77), td::FpFloat(13)}, 0));
std::array<td::protocol::LockStep, LOCKSTEP_BUFFER_SIZE> steps{};
steps[0].push_back(spawn);
td::protocol::packets::LockStepsPacket packet{counter * LOCKSTEP_BUFFER_SIZE * 3, steps};
simulation.HandlePacket(packet);
simulation.Handle(packet);
counter++;
}
});

22
src/td/simulation/RealTimeSimulation.cpp → src/td/simulation/ClientSimulation.cpp
View File

@@ -1,18 +1,18 @@
#include <td/simulation/RealTimeSimulation.h>
#include <td/simulation/ClientSimulation.h>
#include <chrono>
namespace td {
namespace sim {
const protocol::LockStep RealTimeSimulation::EMPTY_LOCKSTEP;
const protocol::LockStep ClientSimulation::EMPTY_LOCKSTEP;
std::uint64_t GetTime() {
return static_cast<std::uint64_t>(
std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock().now().time_since_epoch()).count());
}
RealTimeSimulation::RealTimeSimulation(game::World& a_World, GameHistory&& a_History, std::uint64_t a_StepTime) :
ClientSimulation::ClientSimulation(game::World& a_World, GameHistory&& a_History, std::uint64_t a_StepTime) :
m_StepTime(a_StepTime),
m_World(a_World),
m_CurrentTime(0),
@@ -27,7 +27,7 @@ RealTimeSimulation::RealTimeSimulation(game::World& a_World, GameHistory&& a_His
Step();
}
RealTimeSimulation::RealTimeSimulation(game::World& a_World, std::uint64_t a_StepTime) :
ClientSimulation::ClientSimulation(game::World& a_World, std::uint64_t a_StepTime) :
m_StepTime(a_StepTime),
m_World(a_World),
m_History(std::numeric_limits<std::uint16_t>::max()),
@@ -39,7 +39,7 @@ RealTimeSimulation::RealTimeSimulation(game::World& a_World, std::uint64_t a_Ste
Step();
}
float RealTimeSimulation::Update() {
float ClientSimulation::Update() {
// TODO: handle freezes (m_CurrentTime > 2 * m_StepTime)
m_CurrentTime += GetTime() - m_LastTime;
m_LastTime = GetTime();
@@ -50,7 +50,7 @@ float RealTimeSimulation::Update() {
return (float)m_CurrentTime / (float)m_StepTime;
}
void RealTimeSimulation::Step() {
void ClientSimulation::Step() {
const auto& step = m_History[m_CurrentStep];
if (step.has_value()) {
m_LastSnapshot = m_World.Tick(step.value(), FpFloat(m_StepTime) / FpFloat(1000));
@@ -61,7 +61,7 @@ void RealTimeSimulation::Step() {
m_CurrentStep++;
}
void RealTimeSimulation::HandlePacket(const protocol::packets::LockStepsPacket& a_LockSteps) {
void ClientSimulation::Handle(const protocol::packets::LockStepsPacket& a_LockSteps) {
const auto& steps = a_LockSteps->m_LockSteps;
for (std::size_t i = 0; i < LOCKSTEP_BUFFER_SIZE; i++) {
m_History[a_LockSteps->m_FirstFrameNumber + i] = steps[i];
@@ -69,15 +69,17 @@ void RealTimeSimulation::HandlePacket(const protocol::packets::LockStepsPacket&
FastReplay();
}
void RealTimeSimulation::HandlePacket(const protocol::packets::PredictCommandPacket& a_Predict) {}
void ClientSimulation::Handle(const protocol::packets::PredictCommandPacket& a_Predict) {
}
void RealTimeSimulation::FastForward(std::size_t a_Count) {
void ClientSimulation::FastForward(std::size_t a_Count) {
for (std::size_t i = 0; i < a_Count; i++) {
Step();
}
}
void RealTimeSimulation::FastReplay() {
void ClientSimulation::FastReplay() {
if (m_LastValidStep >= m_CurrentStep)
return;