dcrubro/letnik3koncni-prap
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input, changes

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This commit is contained in:
DcruBro
2026-03-16 08:21:04 +01:00
parent d522881358
commit f6a1e59ebb
12 changed files with 109 additions and 44 deletions
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14
src/game/agame/background.cpp
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@@ -9,8 +9,8 @@ namespace Game::AGame {
int w, h;
SDL_GetWindowSizeInPixels(Window::Window::getSDLWindowBackend(), &w, &h);
mTransform.scaleX *= 10.f;
mTransform.scaleY *= 10.f;
mTransform.scaleX *= 5.f;
mTransform.scaleY *= 5.f;
mTransform.x -= mTex->getWidth() * mTransform.adjustedScaleX() / 2.f;
mTransform.y -= mTex->getHeight() * mTransform.adjustedScaleY() / 2.f;
@@ -22,6 +22,16 @@ namespace Game::AGame {
void Background::update(float deltaTime) {
if (!mIsActive) return;
/*const bool* state = SDL_GetKeyboardState(nullptr);
if (state[SDL_SCANCODE_P]) {
mTransform.scaleX *= 2.f;
mTransform.scaleY *= 2.f;
}
if (state[SDL_SCANCODE_L]) {
mTransform.scaleX *= 0.5f;
mTransform.scaleY *= 0.5f;
}*/
//mTransform.rotation += 1.f; // Rotate clockwise for testing
//mTransform.scaleX = 1.f + 1.f * std::sin(RUNNING_TIME() / 0.5f); // Pulsate scale for testing
//mTransform.scaleY = 1.f + 0.5f * std::cos(RUNNING_TIME() / 0.5f); // Pulsate scale for testing

32
src/game/agame/camcontroller.cpp
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@@ -3,42 +3,18 @@
#include <cmath>
#include <object/camera.hpp>
#include <state/gamestate.hpp>
#include <game/input.hpp>
namespace Game::AGame {
void CamController::start() {
mTex = nullptr; // No texture
SDL_GetWindowSizeInPixels(Window::Window::getSDLWindowBackend(), &mScreenW, &mScreenH);
mTransform.x = 0.f;
mTransform.y = 0.f;
}
void CamController::update(float deltaTime) {
if (!mIsActive) return;
Object::Entity* player = Game::State::GameState::getInstance().getEntityByName("Player"); // We get the pointer every frame, otherwise we might get screwed by vector reallocs
if (!player) return; // If the player doesn't exist, don't do anything
float playerX = player->getTransform()->x;
float playerY = player->getTransform()->y;
float camX, camY;
Object::Camera::getInstance().getPosition(camX, camY);
// Apply tolerance from the edges of the screen, so the camera doesn't immediately start moving when the player moves a little bit
float leftBound = camX - mScreenW / 2.f + mEdgeTolerance;
float rightBound = camX + mScreenW / 2.f - mEdgeTolerance;
float topBound = camY - mScreenH / 2.f + mEdgeTolerance;
float bottomBound = camY + mScreenH / 2.f - mEdgeTolerance;
if (playerX < leftBound) {
Object::Camera::getInstance().move(-mSpeed * deltaTime, 0.f);
} else if (playerX > rightBound) {
Object::Camera::getInstance().move(mSpeed * deltaTime, 0.f);
}
if (playerY < topBound) {
Object::Camera::getInstance().move(0.f, -mSpeed * deltaTime);
} else if (playerY > bottomBound) {
Object::Camera::getInstance().move(0.f, mSpeed * deltaTime);
}
const bool* state = SDL_GetKeyboardState(nullptr);
mSpeed = state[SDL_SCANCODE_LSHIFT] ? 400.f : 200.f;
}
}

20
src/game/agame/player.cpp
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@@ -1,11 +1,14 @@
#include <game/agame/player.hpp>
#include <window/window.hpp>
#include <cmath>
#include <game/input.hpp>
namespace Game::AGame {
void Player::start() {
mSound = Object::Sound("../resources/example.wav", Object::Format::WAV);
//mSound = Object::Sound("../resources/example.wav", Object::Format::WAV);
//mSound.play();
mZIndex = 100;
int w, h;
SDL_GetWindowSizeInPixels(Window::Window::getSDLWindowBackend(), &w, &h);
@@ -15,7 +18,7 @@ namespace Game::AGame {
LOG("W: " << w << " H: " << h);
mSound.~Sound();
//mSound.~Sound();
}
void Player::update(float deltaTime) {
@@ -23,16 +26,13 @@ namespace Game::AGame {
//mTransform.rotation += 1.f; // Rotate clockwise for testing
//mTransform.scaleX = 1.f + 1.f * std::sin(RUNNING_TIME() / 0.5f); // Pulsate scale for testing
//mTransform.scaleY = 1.f + 0.5f * std::cos(RUNNING_TIME() / 0.5f); // Pulsate scale for testing
//Object::Camera::getInstance().move(1.f, 0.f);
// Simple movement
const bool* state = SDL_GetKeyboardState(nullptr);
if (state[SDL_SCANCODE_W]) mTransform.y -= mSpeed * deltaTime;
if (state[SDL_SCANCODE_S]) mTransform.y += mSpeed * deltaTime;
if (state[SDL_SCANCODE_A]) mTransform.x -= mSpeed * deltaTime;
if (state[SDL_SCANCODE_D]) mTransform.x += mSpeed * deltaTime;
mSpeed = state[SDL_SCANCODE_LSHIFT] ? 400.f : 200.f;
if (Input::isKeyPressed(SDL_SCANCODE_W)) mTransform.y -= mSpeed * deltaTime;
if (Input::isKeyPressed(SDL_SCANCODE_S)) mTransform.y += mSpeed * deltaTime;
if (Input::isKeyPressed(SDL_SCANCODE_A)) mTransform.x -= mSpeed * deltaTime;
if (Input::isKeyPressed(SDL_SCANCODE_D)) mTransform.x += mSpeed * deltaTime;
mSpeed = Input::isKeyPressed(SDL_SCANCODE_LSHIFT) ? 400.f : 200.f;
}
}

20
src/game/gamemanager.cpp
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@@ -19,6 +19,7 @@ namespace Game {
const auto frameStart = std::chrono::steady_clock::now();
try {
Input::update(); // Update input states at the start of each frame
auto entities = State::GameState::getInstance().getEntitiesSnapshot();
for (auto* entity : entities) {
if (entity) {
@@ -38,4 +39,23 @@ namespace Game {
}
}
}
// Statics
std::unordered_map<std::string, std::string> GameManager::mSharedStrings;
void GameManager::setSharedData(const std::string& key, std::string data) {
mSharedStrings[key] = std::move(data);
}
std::string GameManager::getSharedData(const std::string& key) {
auto it = mSharedStrings.find(key);
if (it != mSharedStrings.end()) {
return it->second;
}
return ""; // Key not found
}
void GameManager::removeSharedData(const std::string& key) {
mSharedStrings.erase(key);
}
}

27
src/game/input.cpp Normal file
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@@ -0,0 +1,27 @@
#include <game/input.hpp>
namespace Game {
const bool* Input::mCurrentKeyStates = nullptr;
bool* Input::mPreviousKeyStates = nullptr;
int Input::mNumKeys = 0;
void Input::update() {
mPreviousKeyStates = const_cast<bool*>(mCurrentKeyStates);
mCurrentKeyStates = SDL_GetKeyboardState(&mNumKeys);
}
bool Input::isKeyPressed(SDL_Scancode key) {
if (key < 0 || key >= mNumKeys) return false;
return mCurrentKeyStates[key];
}
bool Input::isKeyJustPressed(SDL_Scancode key) {
if (key < 0 || key >= mNumKeys) return false;
return mCurrentKeyStates[key] && (!mPreviousKeyStates || !mPreviousKeyStates[key]);
}
bool Input::isKeyJustReleased(SDL_Scancode key) {
if (key < 0 || key >= mNumKeys) return false;
return (!mCurrentKeyStates[key]) && mPreviousKeyStates && mPreviousKeyStates[key];
}
}

2
src/main.cpp
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@@ -13,6 +13,8 @@
using namespace Game;
int main() {
PLNIMP("Letnik3Zadnja - Licenca: LGPLv2.1-only, CC BY-SA 4.0");
Window::Window window = Window::Window();
window.init(1280, 720, "Game Window");

1
src/state/gamestate.cpp
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@@ -1,4 +1,5 @@
#include <state/gamestate.hpp>
#include <algorithm>
#include <iostream>
namespace Game::State {