Zadania 1-4

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2021-10-30 19:36:36 +02:00
commit 755d6ed73e
37 changed files with 3185 additions and 0 deletions

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2dgk_1/2dgk_1/main.cpp Normal file
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/*This source code copyrighted by Lazy Foo' Productions (2004-2020)
and may not be redistributed without written permission.*/
//Using SDL and standard IO
#include <SDL.h>
#include <cstdio>
#include <string>
//Screen dimension constants
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
//Texture wrapper class
class KTexture
{
public:
//Initializes variables
KTexture();
//Deallocates memory
~KTexture();
//Loads image at specified path
bool loadFromFile(std::string path);
//Deallocates texture
void free();
//Renders texture at given point
void render(int x, int y, SDL_Rect* clip = NULL);
//Gets image dimensions
int getWidth();
int getHeight();
private:
//The actual hardware texture
SDL_Texture* mTexture;
//Image dimensions
int mWidth;
int mHeight;
};
//Scene sprites
SDL_Rect gSpriteClips[2];
KTexture gSpriteSheetTexture;
SDL_Window* gWindow = NULL;
SDL_Renderer* gRenderer = NULL;
KTexture gTexture1;
KTexture gTexture2;
bool init();
bool loadMedia();
void close();
SDL_Texture* loadTexture(std::string path);
KTexture::KTexture()
{
//Initialize
mTexture = NULL;
mWidth = 0;
mHeight = 0;
}
KTexture::~KTexture()
{
//Deallocate
free();
}
bool KTexture::loadFromFile(std::string path)
{
//Get rid of preexisting texture
free();
//The final texture
SDL_Texture* newTexture = NULL;
//Load image at specified path
SDL_Surface* loadedSurface = SDL_LoadBMP(path.c_str());
if (loadedSurface == NULL)
{
printf("Unable to load image %s! SDL_image Error: %s\n", path.c_str(), SDL_GetError());
}
else
{
//Color key image
SDL_SetColorKey(loadedSurface, SDL_TRUE, SDL_MapRGB(loadedSurface->format, 0xFF, 0, 0));
//Create texture from surface pixels
newTexture = SDL_CreateTextureFromSurface(gRenderer, loadedSurface);
if (newTexture == NULL)
{
printf("Unable to create texture from %s! SDL Error: %s\n", path.c_str(), SDL_GetError());
}
else
{
//Get image dimensions
mWidth = loadedSurface->w;
mHeight = loadedSurface->h;
}
//Get rid of old loaded surface
SDL_FreeSurface(loadedSurface);
}
//Return success
mTexture = newTexture;
return mTexture != NULL;
}
void KTexture::free()
{
//Free texture if it exists
if (mTexture != NULL)
{
SDL_DestroyTexture(mTexture);
mTexture = NULL;
mWidth = 0;
mHeight = 0;
}
}
void KTexture::render(int x, int y, SDL_Rect* clip)
{
//Set rendering space and render to screen
SDL_Rect renderQuad = { x, y, mWidth, mHeight };
//Set clip rendering dimensions
if (clip != NULL)
{
renderQuad.w = clip->w;
renderQuad.h = clip->h;
}
//Render to screen
SDL_RenderCopy(gRenderer, mTexture, clip, &renderQuad);
}
int KTexture::getWidth()
{
return mWidth;
}
int KTexture::getHeight()
{
return mHeight;
}
bool init()
{
//Initialization flag
bool success = true;
//Initialize SDL
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
success = false;
}
else
{
//Set texture filtering to linear
if (!SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1"))
{
printf("Warning: Linear texture filtering not enabled!");
}
//Create window
gWindow = SDL_CreateWindow("2DGK - Zadanie 1", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
if (gWindow == NULL)
{
printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
success = false;
}
else
{
//Create renderer for window
gRenderer = SDL_CreateRenderer(gWindow, -1, SDL_RENDERER_ACCELERATED);
if (gRenderer == NULL)
{
printf("Renderer could not be created! SDL Error: %s\n", SDL_GetError());
success = false;
}
else
{
//Initialize renderer color
SDL_SetRenderDrawColor(gRenderer, 0, 0xFF, 0, 0xFF);
}
}
}
return success;
}
bool loadMedia()
{
//Loading success flag
bool success = true;
if (!gTexture1.loadFromFile("textures/01.bmp"))
{
printf("Failed to load 01 texture image!\n");
success = false;
}
if (!gTexture2.loadFromFile("textures/02.bmp"))
{
printf("Failed to load 01 texture image!\n");
success = false;
}
//Load sprite sheet texture
if (!gSpriteSheetTexture.loadFromFile("textures/sprite.bmp"))
{
printf("Failed to load sprite sheet texture!\n");
success = false;
}
else
{
//Set top left sprite
gSpriteClips[0].x = 0;
gSpriteClips[0].y = 0;
gSpriteClips[0].w = 100;
gSpriteClips[0].h = 100;
//Set top right sprite
gSpriteClips[1].x = 100;
gSpriteClips[1].y = 0;
gSpriteClips[1].w = 100;
gSpriteClips[1].h = 100;
}
return success;
}
SDL_Texture* loadTexture(std::string path)
{
//The final optimized image
SDL_Texture* newTexture = NULL;
//Load image at specified path
SDL_Surface* loadedSurface = SDL_LoadBMP(path.c_str());
if (loadedSurface == NULL)
{
printf("Unable to load image %s! SDL Error: %s\n", path.c_str(), SDL_GetError());
}
else
{
//Create texture from surface pixels
newTexture = SDL_CreateTextureFromSurface(gRenderer, loadedSurface);
if (newTexture == NULL)
{
printf("Unable to optimize image %s! SDL Error: %s\n", path.c_str(), SDL_GetError());
}
//Get rid of old loaded surface
SDL_FreeSurface(loadedSurface);
}
return newTexture;
}
void close()
{
//Free loaded images
gTexture1.free();
gTexture2.free();
gSpriteSheetTexture.free();
//Destroy window
SDL_DestroyRenderer(gRenderer);
SDL_DestroyWindow(gWindow);
gWindow = NULL;
gRenderer = NULL;
//Quit SDL subsystems
SDL_Quit();
}
int main(int argc, char* args[])
{
//Start up SDL and create window
if (!init())
{
printf("Failed to initialize!\n");
}
else
{
//Load media
if (!loadMedia())
{
printf("Failed to load media!\n");
}
else
{
//Main loop flag
bool quit = false;
//Event handler
SDL_Event e;
int posX, posY;
posX = 0;
posY = 290;
//While application is running
while (!quit)
{
//Handle events on queue
while (SDL_PollEvent(&e) != 0)
{
//User requests quit
if (e.type == SDL_QUIT)
{
quit = true;
}
}
//Clear screen
SDL_SetRenderDrawColor(gRenderer, 0, 0xFF, 0, 0xFF);
SDL_RenderClear(gRenderer);
gTexture1.render(0, 0);
gTexture2.render(250, 0);
if (SDL_GetTicks() % 10 == 0)
{
posX--;
posY--;
}
if (posX < -100) posX = SCREEN_WIDTH;
if (posY < -100) posY = SCREEN_HEIGHT;
gSpriteSheetTexture.render(posX, posY, &gSpriteClips[SDL_GetTicks() % 2]);
//Update screen
SDL_RenderPresent(gRenderer);
}
}
}
//Free resources and close SDL
close();
return 0;
}

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2dgk_1/2dgk_1/textures/02.bmp (Stored with Git LFS) Normal file

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2dgk_1/2dgk_1/textures/sprite.bmp (Stored with Git LFS) Normal file

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