71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
#include "Collisions.hpp"
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#include "Logger.hpp"
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#include "Things.hpp"
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#include "Camera.hpp"
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#include "Collisions.hpp"
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bool EntityCollide(Entity* entity, std::vector<Tile*>& nearby, int tileSize, CollisionInfo* info, olc::PixelGameEngine* engine)
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{
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static bool ShowCollisionDebug = false;
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if (engine->GetKey(olc::P).bPressed)
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ShowCollisionDebug = !ShowCollisionDebug;
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if (!entity->HitBox) return false;
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static Logger& _Logger = Logger::getInstance();
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engine->SetDrawTarget(uint8_t(0));
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engine->Clear(olc::BLANK);
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float entityX = static_cast<float>(entity->Coords.x - entity->TrackingCamera->Coords.x);
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float entityY = static_cast<float>(entity->Coords.y - entity->TrackingCamera->Coords.y);
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float entityW = static_cast<float>(entity->HitBox->w);
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float entityH = static_cast<float>(entity->HitBox->h);
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int entityLeft = static_cast<int>(entityX);
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int entityRight = static_cast<int>(entityX + entityW);
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int entityTop = static_cast<int>(entityY);
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int entityBottom = static_cast<int>(entityY + entityH);
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if (ShowDebug)
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engine->DrawRect(entityX, entityY, entityW, entityH, olc::RED);
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for (auto tile : nearby)
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{
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if (ShowDebug)
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engine->DrawRect({ static_cast<int>(static_cast<float>((tile->Coords.x * tileSize) - entity->TrackingCamera->Coords.x)), static_cast<int>(static_cast<float>((tile->Coords.y * tileSize) - entity->TrackingCamera->Coords.y)) }, {tileSize, tileSize}, olc::BLUE);
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// return if not collidable
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if (!tile->IsSolid) continue;
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int tileLeft = static_cast<int>(static_cast<float>(tile->Coords.x * tileSize) - entity->TrackingCamera->Coords.x);
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int tileRight = static_cast<int>(static_cast<float>(tile->Coords.x * tileSize) - entity->TrackingCamera->Coords.x) + tileSize;
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int tileTop = static_cast<int>(static_cast<float>(tile->Coords.y * tileSize) - entity->TrackingCamera->Coords.y);
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int tileBottom = static_cast<int>(static_cast<float>(tile->Coords.y * tileSize) - entity->TrackingCamera->Coords.y) + tileSize;
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// _Logger.Debug(entityLeft, " ", tileRight);
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bool xOverlaps = (entityLeft <= tileRight) && (entityRight >= tileLeft);
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bool yOverlaps = (entityTop <= tileBottom) && (entityBottom >= tileTop);
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bool collision = xOverlaps && yOverlaps;
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if (ShowDebug)
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engine->FillRect({static_cast<int>(static_cast<float>((tile->Coords.x * tileSize) - entity->TrackingCamera->Coords.x)), static_cast<int>(static_cast<float>((tile->Coords.y * tileSize) - entity->TrackingCamera->Coords.y))}, {tileSize, tileSize}, collision ? olc::RED : olc::BLUE);
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if (!collision) continue;
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info->TileCollided = tile;
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//info->CollidingX = xOverlaps;
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//info->CollidingY = yOverlaps;
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return true;
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}
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return false;
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}
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