#include "MainLevel.hpp"

MainLevel::MainLevel(C3D_RenderTarget* top, C3D_RenderTarget* bottom): Level(this, "romfs:/gfx/sprites.t3x", top, bottom) {}

void MainLevel::setup() {
    //* SPRITE INIT *//
    // set bird consts
    sprites[SPR_BIRD].setPosition(SCREEN_WIDTH / 4, SCREEN_HEIGHT / 3);
    sprites[SPR_BIRD].setHitbox(17, 12);

    // set bottom screen scorecard
    sprites[SPR_SCORECARD].setCenter(0.0, 0.0);

    sprites[SPR_SCORECARD].setPosition(2, 40);

    sprites[SPR_PIPETOP].setPosition(280, 3);
    sprites[SPR_PIPEBOTTOM].setPosition(280, 280);

    // set bg properties
    sprites[SPR_BG].setPosition(200, 120);
    C2D_SpriteSetScale(&sprites[SPR_BG].spr, 2.7778, 2.7907); // scale image to 400x240 (3ds screen res)

    // if theres a better way to do this,,, i dont know it
    for (int i = 0; i < NUM_PIPES; i++) {
        memcpy(&pipes[i], &sprites[SPR_BOTHPIPES], sizeof(sprites[SPR_BOTHPIPES]));
        pipes[i].setCenter(0.5f, 0.5f);
        pipes[i].setPosition(SCREEN_WIDTH + 40 + i * (100), (rand() % 150) + 50);
        pipes[i].setHitbox(26, 403);
    }

    //* FONT INIT *//
    // Load fonts and text
    g_staticBuf = C2D_TextBufNew(4096);
    font = C2D_FontLoad("romfs:/gfx/fbfont.bcfnt");
    C2D_TextFontParse(&scoreText, font, g_staticBuf, "0");
    C2D_TextOptimize(&scoreText);
}

void MainLevel::update() {
    hidScanInput();

    // Respond to user input
    u32 kDown = hidKeysDown();
    if (kDown & KEY_START)
        svcBreak(USERBREAK_USER); // break in order to return to hbmenu


    // gravity calcs
    v += a;
    sprites[SPR_BIRD].move(0, v);
    C2D_SpriteSetRotationDegrees(&sprites[SPR_BIRD].spr, v*9.8);

    if (!gameOver && (kDown & KEY_A)) {
        v = -5.5;
        sprites[SPR_BIRD].move(0, v, true);
    }

    // bird hitting ground is game over
    if (sprites[SPR_BIRD].getPosY() == SCREEN_HEIGHT) {
        gameOver = true;
    }

    if (!gameOver) {
        for (int i = 0; i < NUM_PIPES; i++) {
            pipes[i].move(pipeSpeed, 0, true);

            // collision detection
            if (pipes[i].isCollidingWith(sprites[SPR_BIRD])) {
                gameOver = true;
                break;
            }

            // inc score
            if (pipes[i].getPosX() == sprites[SPR_BIRD].getPosX())
                score++;          

            // send pipes back to front of screen
            if (pipes[i].getPosX() < -(SCREEN_WIDTH/NUM_PIPES)) {
                pipes[i].setPosition(SCREEN_WIDTH, (rand() % 150) + 50);
            }    
        }
    }

    // make score text
    // char scoreString[(((sizeof score) * CHAR_BIT) + 2)/3 + 2];
    // sprintf(scoreString, "%d", score);
    // C2D_TextFontParse(&scoreText, font, g_staticBuf, scoreString);
    // C2D_TextOptimize(&scoreText);
}

void MainLevel::drawTop() {
    sprites[SPR_BG].draw();
    sprites[SPR_BIRD].draw();

    for (int i = 0; i < NUM_PIPES; i++) {
        pipes[i].draw();
    }
}

void MainLevel::drawBottom() {
    sprites[SPR_SCORECARD].draw();
    // C2D_DrawText(&scoreText, 0, 240, 88, 0.0f, 0.9f, 0.9f);
}

void MainLevel::cleanup() {
    C2D_SpriteSheetFree(spritesheet);
    C2D_TextBufDelete(g_staticBuf);
    C2D_FontFree(font);
}