Persson-dev/Tower-Defense
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feat: add basic towers rendering

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This commit is contained in:
Simon Pribylski
2021-09-26 18:19:00 +02:00
parent 2ece5bc9b5
commit fe7cfdec72
22 changed files with 230 additions and 58 deletions
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1
src/game/Team.cpp
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@@ -7,7 +7,6 @@ Team::Team(TeamColor color) : m_Color(color) {}
void Team::addPlayer(Player* newPlayer) {
m_Players.push_back(newPlayer);
newPlayer->setTeamColor(m_Color);
}
void Team::removePlayer(const Player* player) {

28
src/game/Towers.cpp
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@@ -135,24 +135,24 @@ const TowerInfo& getTowerInfo(TowerType type) {
namespace TowerFactory {
using TowerCreator = std::function<std::shared_ptr<Tower>(std::int32_t, std::int32_t, PlayerID)>;
using TowerCreator = std::function<std::shared_ptr<Tower>(TowerID, std::int32_t, std::int32_t, PlayerID)>;
static const std::map<TowerType, TowerCreator> towerFactory = {
{TowerType::Archer, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ArcherTower>(x, y, builder);} },
{TowerType::Artillery, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ArtilleryTower>(x, y, builder);} },
{TowerType::Ice, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<IceTower>(x, y, builder);} },
{TowerType::Mage, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<MageTower>(x, y, builder);} },
{TowerType::Poison, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<PoisonTower>(x, y, builder);} },
{TowerType::Quake, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<QuakeTower>(x, y, builder);} },
{TowerType::Sorcerer, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<SorcererTower>(x, y, builder);} },
{TowerType::Zeus, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ZeusTower>(x, y, builder);} },
{TowerType::Leach, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<LeachTower>(x, y, builder);} },
{TowerType::Necromancer, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<NecromancerTower>(x, y, builder);} },
{TowerType::Turret, [](std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<TurretTower>(x, y, builder);} },
{TowerType::Archer, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ArcherTower>(id, x, y , builder);} },
{TowerType::Artillery, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ArtilleryTower>(id, x, y , builder);} },
{TowerType::Ice, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<IceTower>(id, x, y , builder);} },
{TowerType::Mage, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<MageTower>(id, x, y , builder);} },
{TowerType::Poison, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<PoisonTower>(id, x, y , builder);} },
{TowerType::Quake, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<QuakeTower>(id, x, y , builder);} },
{TowerType::Sorcerer, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<SorcererTower>(id, x, y , builder);} },
{TowerType::Zeus, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<ZeusTower>(id, x, y , builder);} },
{TowerType::Leach, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<LeachTower>(id, x, y , builder);} },
{TowerType::Necromancer, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<NecromancerTower>(id, x, y , builder);} },
{TowerType::Turret, [](TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) -> TowerPtr {return std::make_shared<TurretTower>(id, x, y , builder);} },
};
TowerPtr createTower(TowerType type, std::int32_t x, std::int32_t y, PlayerID builder) {
return towerFactory.at(type)(x, y, builder);
TowerPtr createTower(TowerType type, TowerID id, std::int32_t x, std::int32_t y, PlayerID builder) {
return towerFactory.at(type)(id, x, y, builder);
}
} // namespace TowerFactory

5
src/game/World.cpp
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@@ -334,9 +334,10 @@ void World::spawnMobAt(MobID id, MobType type, std::uint8_t level, PlayerID send
m_Mobs.push_back(mob);
}
void World::placeTowerAt(TowerType type, std::int32_t x, std::int32_t y, PlayerID builder) {
TowerPtr tower = TowerFactory::createTower(type, x, y, builder);
TowerPtr World::placeTowerAt(TowerID id, TowerType type, std::int32_t x, std::int32_t y, PlayerID builder) {
TowerPtr tower = TowerFactory::createTower(type, id, x, y, builder);
m_Towers.push_back(tower);
return tower;
}
void World::moveMobs(std::uint64_t delta) {

7
src/game/client/ClientGame.cpp
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@@ -21,6 +21,7 @@ m_WorldRenderer(&m_WorldClient, this) {
GetDispatcher()->RegisterHandler(protocol::PacketType::UpdateMoney, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::Disconnect, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::WorldData, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::WorldAddTower, this);
}
ClientGame::~ClientGame() {
@@ -71,11 +72,11 @@ void ClientGame::HandlePacket(protocol::UpdatePlayerTeamPacket* packet) {
getTeam(packet->getSelectedTeam()).addPlayer(player);
} else if (packet->getSelectedTeam() == game::TeamColor::None) { // leave a team
getTeam(player->getTeamColor()).removePlayer(player);
player->setTeamColor(game::TeamColor::None);
} else { // change team
getTeam(player->getTeamColor()).removePlayer(player);
getTeam(packet->getSelectedTeam()).addPlayer(player);
}
player->setTeamColor(packet->getSelectedTeam());
}
void ClientGame::HandlePacket(protocol::UpdateGameStatePacket* packet) {
@@ -116,5 +117,9 @@ void ClientGame::PlaceTower(game::TowerType type, const glm::vec2& position) {
m_Client->getConnexion().sendPacket(&packet);
}
void ClientGame::HandlePacket(protocol::WorldAddTowerPacket* packet){
m_WorldRenderer.addTower(m_WorldClient.placeTowerAt(packet->getTowerID(), packet->getTowerType(), packet->getTowerX(), packet->getTowerY(), packet->getBuilder()));
}
} // namespace client
} // namespace td

7
src/game/client/WorldClient.cpp
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@@ -3,13 +3,14 @@
#include "game/client/ClientGame.h"
#include "render/WorldRenderer.h"
#include <iostream>
namespace td {
namespace client {
WorldClient::WorldClient(ClientGame* game) : game::World(game), protocol::PacketHandler(game->GetDispatcher()), m_Game(game) {
GetDispatcher()->RegisterHandler(protocol::PacketType::WorldBeginData, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::WorldData, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::WorldAddTower, this);
GetDispatcher()->RegisterHandler(protocol::PacketType::SpawnMob, this);
}
@@ -21,10 +22,6 @@ void WorldClient::HandlePacket(protocol::WorldDataPacket* packet) {
loadMap(packet);
}
void WorldClient::HandlePacket(protocol::WorldAddTowerPacket* packet) {
placeTowerAt(packet->getTowerType(), packet->getTowerX(), packet->getTowerY(), packet->getBuilder());
}
void WorldClient::HandlePacket(protocol::SpawnMobPacket* packet) {
spawnMobAt(packet->getMobID(), packet->getMobType(), packet->getMobLevel(), packet->getSender(),
packet->getMobX(), packet->getMobY(), packet->getMobDirection());

6
src/game/server/ServerConnexion.cpp
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@@ -146,7 +146,7 @@ void ServerConnexion::initConnection() {
void ServerConnexion::HandlePacket(protocol::PlaceTowerPacket* packet) {
game::TowerType towerType = packet->getTowerType();
const game::TowerInfo& towerInfo = game::getTowerInfo(towerType);
game::World* world = m_Server->getGame().getWorld();
server::ServerWorld* world = m_Server->getGame().getServerWorld();
if (towerInfo.isBigTower()) {
if (!world->CanPlaceBigTower({ packet->getTowerX(), packet->getTowerY() }, m_ID))
return;
@@ -155,9 +155,9 @@ void ServerConnexion::HandlePacket(protocol::PlaceTowerPacket* packet) {
return;
}
world->placeTowerAt(towerType, packet->getTowerX(), packet->getTowerY(), m_ID);
game::TowerPtr tower = world->placeTowerAt(towerType, packet->getTowerX(), packet->getTowerY(), m_ID);
protocol::WorldAddTowerPacket addTowerPacket(packet->getTowerX(), packet->getTowerY(), packet->getTowerType(), m_ID);
protocol::WorldAddTowerPacket addTowerPacket(tower->getID(), packet->getTowerX(), packet->getTowerY(), packet->getTowerType(), m_ID);
m_Server->broadcastPacket(&addTowerPacket);
}

4
src/game/server/ServerGame.cpp
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@@ -37,14 +37,16 @@ void ServerGame::updateGoldMines() {
}
void ServerGame::balanceTeams() {
for (auto playerInfo : m_Players) {
for (auto& playerInfo : Game::m_Players) {
game::Player& player = playerInfo.second;
if (player.getTeamColor() == game::TeamColor::None) {
game::Team& redTeam = getRedTeam();
game::Team& blueTeam = getBlueTeam();
if (blueTeam.getPlayerCount() > redTeam.getPlayerCount()) {
player.setTeamColor(game::TeamColor::Red);
redTeam.addPlayer(&player);
} else {
player.setTeamColor(game::TeamColor::Blue);
blueTeam.addPlayer(&player);
}
protocol::UpdatePlayerTeamPacket packet(player.getID(), player.getTeamColor());

6
src/game/server/ServerWorld.cpp
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@@ -46,5 +46,11 @@ void ServerWorld::spawnMobs(game::MobType type, std::uint8_t level, game::Player
}
}
game::TowerPtr ServerWorld::placeTowerAt(game::TowerType type, std::int32_t x, std::int32_t y, game::PlayerID builder){
game::TowerPtr tower = World::placeTowerAt(m_CurrentTowerID, type, x, y, builder);
m_CurrentTowerID++;
return tower;
}
} // namespace server
} // namespace td

57
src/render/VertexCache.cpp Normal file
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@@ -0,0 +1,57 @@
#include "render/VertexCache.h"
#include "render/loader/GLLoader.h"
namespace td {
namespace render {
void VertexCache::addData(std::uint64_t index, std::vector<float> positions, std::vector<float> colors){
ElementsIndex positionsIndexes;
positionsIndexes.first = m_Positions.end();
m_Positions.insert(m_Positions.end(), positions.begin(), positions.end());
positionsIndexes.second = m_Positions.end() - 1;
ElementsIndex colorsIndexes;
colorsIndexes.first = m_Colors.end();
m_Colors.insert(m_Colors.end(), colors.begin(), colors.end());
colorsIndexes.second = m_Colors.end() - 1;
m_Indexes.insert({index, {positionsIndexes, colorsIndexes}});
}
void VertexCache::removeData(std::uint64_t index){
auto it = m_Indexes.find(index);
if(it != m_Indexes.end()){
DataIndex indexes = it->second;
ElementsIndex positionsIndexes = indexes.first;
ElementsIndex colorsIndexes = indexes.second;
m_Positions.erase(positionsIndexes.first, positionsIndexes.second);
m_Colors.erase(colorsIndexes.first, colorsIndexes.second);
m_Indexes.erase(it);
}
}
void VertexCache::clear(){
m_Positions.clear();
m_Colors.clear();
m_Indexes.clear();
}
void VertexCache::updateVertexArray(){
m_VertexArray = std::make_unique<GL::VertexArray>(m_Colors.size()); // one color per vertex
GL::VertexBuffer positionsBuffer(m_Positions, 2);
positionsBuffer.addVertexAttribPointer(0, 2, 0);
GL::VertexBuffer colorsBuffer(m_Colors, 1);
colorsBuffer.addVertexAttribPointer(1, 1, 0);
m_VertexArray->bind();
m_VertexArray->bindVertexBuffer(positionsBuffer);
m_VertexArray->bindVertexBuffer(colorsBuffer);
m_VertexArray->unbind();
}
} // namespace render
} // namespace td

20
src/render/WorldRenderer.cpp
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@@ -62,6 +62,11 @@ void WorldRenderer::renderMobs() const {
}
void WorldRenderer::renderTowers() const {
if(!m_TowersCache.isEmpty())
m_Renderer->renderVAO(m_TowersCache.getVertexArray());
}
void WorldRenderer::renderTileSelect() const {
Renderer::Model tileSelectModel;
tileSelectModel.vao = m_SelectTileVao.get();
tileSelectModel.positon = { (int)m_CursorPos.x, (int)m_CursorPos.y };
@@ -69,10 +74,6 @@ void WorldRenderer::renderTowers() const {
m_Renderer->renderModel(tileSelectModel);
}
void WorldRenderer::renderTileSelect() const {
}
void WorldRenderer::render() {
if (m_WorldVao == nullptr)
return;
@@ -151,6 +152,17 @@ void WorldRenderer::detectClick() {
}
}
void WorldRenderer::addTower(game::TowerPtr tower){
const WorldLoader::RenderData& renderData = WorldLoader::loadTowerModel(tower);
m_TowersCache.addData(tower->getID(), renderData.positions, renderData.colors);
m_TowersCache.updateVertexArray();
}
void WorldRenderer::removeTower(game::TowerPtr tower){
m_TowersCache.removeData(tower->getID());
m_TowersCache.updateVertexArray();
}
glm::vec2 WorldRenderer::getCursorWorldPos() const {
ImGuiIO& io = ImGui::GetIO();
return m_Renderer->getCursorWorldPos({ io.MousePos.x, io.MousePos.y }, Display::getAspectRatio(), m_Zoom, Display::getWindowWidth(), Display::getWindowHeight());

34
src/render/loader/WorldLoader.cpp
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@@ -188,6 +188,40 @@ GL::VertexArray loadTileSelectModel() {
return tileSelectVao;
}
RenderData loadTowerModel(game::TowerPtr tower){
RenderData renderData;
float towerX = tower->getX() - 1;
float towerDX = tower->getX() + 2;
float towerY = tower->getY() - 1;
float towerDY = tower->getY() + 2;
std::vector<float> positions = {
towerX, towerY,
towerDX, towerY,
towerX, towerDY,
towerDX, towerY,
towerX, towerDY,
towerDX, towerDY
};
renderData.positions = positions;
std::uint8_t towerType = static_cast<std::uint8_t>(tower->getType());
std::uint8_t r = 10 * towerType + 40, g = 5 * towerType + 30, b = 10 * towerType + 20;
float colorFloat;
int color = r << 24 | g << 16 | b << 8 | 255;
memcpy(&colorFloat, &color, sizeof(int));
std::vector<float> colors(6, colorFloat);
renderData.colors = colors;
return renderData;
}
} // namespace WorldLoader