66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#include <thread>
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#include <memory>
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#include "gameloop.hpp"
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#include "pathfindingdemo.hpp"
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#include "window.hpp"
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#include "user_input.hpp"
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#include "log.hpp"
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#include "pathfinder/base.hpp"
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#include "math.hpp"
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void GameLoop::Run() {
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LOG_INFO("Running the game");
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while (!m_Game->IsExitRequested()) {
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m_Game->HandleActions(m_UserInput->GetActions());
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m_Game->UpdatePlayerVelocity();
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m_Window->ClearWindow();
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// TODO wrap all of the drawing in some function
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// TODO rethink coupling and dependencies here
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// draw the map (terrain tiles)
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const Map &map = m_Game->GetMap();
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const auto &tiles = map.GetMapTiles();
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for (size_t row = 0; row < tiles.size(); row++) {
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for (size_t col = 0; col < tiles[row].size(); col++) {
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const auto& camera = m_Game->GetCamera();
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const auto& position = camera.WorldToWindow(
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map.TileEdgeToWorld(
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TilePos{static_cast<int32_t>(row), static_cast<int32_t>(col)}
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)
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);
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const auto& size = camera.WorldToWindowSize(
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map.GetTileSize()
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);
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// LOG_DEBUG("Drawing rect (", row, ", ", col, ")");
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m_Window->DrawRect(
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position,
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size,
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tiles[row][col]->R, tiles[row][col]->G,
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tiles[row][col]->B, tiles[row][col]->A);
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}
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}
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// draw the path, if it exists
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WorldPos start_pos = m_Game->GetPlayer()->GetPosition();
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for (const auto& next_pos: m_Game->GetPath()) {
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const auto& camera = m_Game->GetCamera();
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m_Window->DrawLine(camera.WorldToWindow(start_pos), camera.WorldToWindow(next_pos));
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start_pos = next_pos;
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}
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// draw all the entities (player etc)
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for (auto &entity : m_Game->GetEntities()) {
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const auto& camera = m_Game->GetCamera();
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m_Window->DrawSprite(camera.WorldToWindow(entity->GetPosition()), entity->GetSprite());
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}
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m_Window->Flush();
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// TODO measure fps
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std::this_thread::sleep_for(std::chrono::milliseconds(30));
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}
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}
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