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/*
* Copyright (c) 2021, Johnny Richard
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <SDL.h>
#include "controller.h"
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
int
main (int argc,
char *args[])
{
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(
stderr,
"SDL could not be initialized! SDL_Error: %s\n",
SDL_GetError()
);
return EXIT_FAILURE;
}
SDL_Window* window = SDL_CreateWindow(
"Blast Attack",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_RESIZABLE
);
if (window == NULL) {
fprintf(stderr, "Window could not be created! SDL_Error: %s\n", SDL_GetError());
return EXIT_FAILURE;
}
SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
if (renderer == NULL) {
fprintf(stderr, "Could not create renderer: %s\n", SDL_GetError());
return EXIT_FAILURE;
}
if (SDL_RenderSetLogicalSize(renderer, SCREEN_WIDTH, SCREEN_HEIGHT) < 0) {
fprintf(stderr, "Could not set logical size: %s\n", SDL_GetError());
return EXIT_FAILURE;
}
SDL_Rect rect = { .x = 0, .y = 0, .w = 20, .h = 20 };
SDL_Rect bg_rect = { .x = 0, .y = 0, .w = SCREEN_WIDTH, .h = SCREEN_HEIGHT };
bool quit = false;
controller_t ctrl = {0};
while (!quit) {
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 1);
SDL_RenderClear(renderer);
uint64_t start = SDL_GetPerformanceCounter();
SDL_SetRenderDrawColor(renderer, 0XCC, 0XCC, 0XCC, 1);
SDL_RenderFillRect(renderer, &bg_rect);
SDL_Event event;
while (SDL_PollEvent(&event) != 0) {
if (event.type == SDL_QUIT) {
quit = true;
}
controller_update(&ctrl, &event);
}
if (controller_is_up_pressed(&ctrl) && rect.y > 0) {
rect.y -= 8;
rect.y = rect.y < 0 ? 0 : rect.y;
}
if (controller_is_down_pressed(&ctrl) && rect.y + 8 < SCREEN_HEIGHT) {
rect.y += 8;
rect.y = rect.y + rect.h > SCREEN_HEIGHT ? SCREEN_HEIGHT - rect.h : rect.y;
}
if (controller_is_left_pressed(&ctrl) && rect.x > 0) {
rect.x -= 8;
rect.x = rect.x < 0 ? 0 : rect.x;
}
if (controller_is_right_pressed(&ctrl) && rect.x + 8 < SCREEN_WIDTH) {
rect.x += 8;
rect.x = rect.x + rect.h > SCREEN_WIDTH ? SCREEN_WIDTH - rect.h : rect.x;
}
SDL_SetRenderDrawColor(renderer, 0xFF, 0, 0, 1);
SDL_RenderFillRect(renderer, &rect);
SDL_RenderPresent(renderer);
uint64_t end = SDL_GetPerformanceCounter();
float elapsedMS = (end - start) / (float)SDL_GetPerformanceFrequency() * 1000.0f;
SDL_Delay(floor(16.666f - elapsedMS));
}
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return EXIT_SUCCESS;
}
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