dcrubro/letnik3koncni-prap
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basic movement

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This commit is contained in:
DcruBro
2026-03-14 22:27:54 +01:00
parent b19f595daf
commit 2983b919cd
24 changed files with 368 additions and 57 deletions
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77
src/object/entity.cpp
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@@ -1,6 +1,9 @@
#include <object/entity.hpp>
#include <renderer/renderer.hpp>
#include <renderer/texture.hpp>
#include <object/camera.hpp>
#include <window/window.hpp>
#include <cmath>
namespace Game::Object {
Entity::~Entity() = default;
@@ -35,32 +38,64 @@ namespace Game::Object {
return *this;
}
void Entity::render(Game::Renderer::Renderer* renderer) {
void Entity::render(Game::Renderer::Renderer* renderer, Game::Renderer::RendererConfig config) {
if (!mIsActive || !mTex) return; // Don't render if not active or if there's no texture
float w, h;
SDL_GetTextureSize(mTex->getSDLTexture(), &w, &h);
if (!mTex->isTiled()) {
float w, h;
SDL_GetTextureSize(mTex->getSDLTexture(), &w, &h);
SDL_FRect dst;
dst.w = w * mTransform.scaleX * mScaleConstant; // 1.f is HUGE, so this is just a constant to make the default scale more reasonable
dst.h = h * mTransform.scaleY * mScaleConstant;
SDL_FRect dst;
dst.w = w * mTransform.scaleX * UNIVERSAL_SCALE_COEFFICIENT; // 1.f is HUGE, so this is just a constant to make the default scale more reasonable
dst.h = h * mTransform.scaleY * UNIVERSAL_SCALE_COEFFICIENT;
// Top-left origin
dst.x = mTransform.x;
dst.y = mTransform.y;
// Top-left origin; Account for camera position (center the camera on the screen)
dst.x = mTransform.x - config.camX + config.screenW / 2.f;
dst.y = mTransform.y - config.camY + config.screenH / 2.f;
SDL_FPoint center;
center.x = dst.w / 2.f;
center.y = dst.h / 2.f;
SDL_FPoint center;
center.x = dst.w / 2.f;
center.y = dst.h / 2.f;
SDL_RenderTextureRotated(
renderer->getSDLRenderer(),
mTex->getSDLTexture(),
nullptr,
&dst,
mTransform.rotation,
&center,
SDL_FLIP_NONE
);
SDL_RenderTextureRotated(
renderer->getSDLRenderer(),
mTex->getSDLTexture(),
nullptr,
&dst,
mTransform.rotation,
&center,
SDL_FLIP_NONE
);
} else {
// Tiled rendering - render the texture repeatedly to fill the area defined by the entity's transform
// We assume that we always render scaleX by scaleY tiles, and that the texture should be rendered at its original size (i.e., the scaleX and scaleY of the entity only affect how many times the texture is tiled, not the size of each tile)
float tileW, tileH;
SDL_GetTextureSize(mTex->getSDLTexture(), &tileW, &tileH);
SDL_FRect dst;
dst.w = tileW * mTiledScale; // Tile size is the original texture size multiplied by the universal scale coefficient (ignoring the entity's scale, since that only affects how many times the texture is tiled, not the size of each tile)
dst.h = tileH * mTiledScale;
// Top-left origin; Account for camera position (center the camera on the screen)
dst.x = mTransform.x - config.camX + config.screenW / 2.f;
dst.y = mTransform.y - config.camY + config.screenH / 2.f;
for (int i = 0; i < mTransform.scaleX; i++) {
for (int j = 0; j < mTransform.scaleY; j++) {
SDL_RenderTextureRotated(
renderer->getSDLRenderer(),
mTex->getSDLTexture(),
nullptr,
&dst,
mTransform.rotation,
nullptr, // No rotation center since each tile is rendered independently
SDL_FLIP_NONE
);
dst.y += dst.h; // Move down for the next tile in the column
}
dst.y = mTransform.y - config.camY + config.screenH / 2.f; // Reset y to the top of the column
dst.x += dst.w; // Move right for the next column of tiles
}
}
}
}