You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
496 lines
19 KiB
496 lines
19 KiB
/**********************************************************************************************
|
|
*
|
|
* raylib - Advance Game template
|
|
*
|
|
* Gameplay Screen Functions Definitions (Init, Update, Draw, Unload)
|
|
*
|
|
* Copyright (c) 2014 Ramon Santamaria (@raysan5)
|
|
*
|
|
* This software is provided "as-is", without any express or implied warranty. In no event
|
|
* will the authors be held liable for any damages arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose, including commercial
|
|
* applications, and to alter it and redistribute it freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not claim that you
|
|
* wrote the original software. If you use this software in a product, an acknowledgment
|
|
* in the product documentation would be appreciated but is not required.
|
|
*
|
|
* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
|
|
* as being the original software.
|
|
*
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
*
|
|
**********************************************************************************************/
|
|
|
|
#include "raylib.h"
|
|
#include "screens.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h> // Required for: malloc(), free()
|
|
#include <math.h> // Required for: sqrtf(), asinf()
|
|
|
|
#define MAX_SAMPLES_SPEED 7 // Max speed for samples movement
|
|
#define MIN_SAMPLES_SPEED 3 // Min speed for samples movement
|
|
#define SAMPLES_SPACING 100 // Separation between samples in pixels
|
|
#define SAMPLES_MULTIPLIER 700 // Defines sample data scaling value (it would be adjusted to MAX_GAME_HEIGHT)
|
|
#define MAX_GAME_HEIGHT 400 // Defines max possible amplitude between samples (game area)
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Types and Structures Definition
|
|
//----------------------------------------------------------------------------------
|
|
typedef struct Player {
|
|
Vector2 position;
|
|
Vector2 speed;
|
|
int width;
|
|
int height;
|
|
Color color;
|
|
} Player;
|
|
|
|
typedef struct Sample {
|
|
Vector2 position;
|
|
float value; // Raw audio sample value (normalized)
|
|
int radius;
|
|
bool active; // Define if sample is active (can be collected)
|
|
bool collected; // Define if sample has been collected
|
|
bool renderable; // Define if sample should be rendered
|
|
Color color;
|
|
} Sample;
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Global Variables Definition (local to this module)
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Gameplay screen global variables
|
|
static int framesCounter;
|
|
static int finishScreen;
|
|
static bool pause;
|
|
|
|
// Player variables
|
|
static Player player;
|
|
static Rectangle playerArea; // Define player movement area (and sample collection limits)
|
|
|
|
static float warpCounter; // Time warp counter
|
|
static float synchro; // Calculates collected samples relation [0..1]
|
|
|
|
static int combo;
|
|
static int maxCombo;
|
|
|
|
static Rectangle waveRec;
|
|
|
|
// Samples variables
|
|
static Sample *samples; // Game samples
|
|
static int totalSamples; // Total game samples (proportional to waveData num samples)
|
|
static int collectedSamples; // Samples collected by player
|
|
static int currentSample; // Last sample to go through player collect area
|
|
static float samplesSpeed; // All samples move at the same speed
|
|
static float waveTime; // Total sample time in ms
|
|
|
|
// Resources variables
|
|
static Texture2D texBackground;
|
|
static Texture2D texPlayer;
|
|
static Texture2D texSampleSmall;
|
|
static Texture2D texSampleMid;
|
|
static Texture2D texSampleBig;
|
|
|
|
static RenderTexture2D waveTarget;
|
|
|
|
static Sound fxSampleOn; // Collected sample sound
|
|
static Sound fxSampleOff; // Miss sample sound
|
|
static Sound fxPause; // Pause sound
|
|
// Debug variables
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Module Functions Declaration (local)
|
|
//------------------------------------------------------------------------------------
|
|
static void DrawSamplesMap(Sample *samples, int sampleCount, int playedSamples, Rectangle bounds, Color color);
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Gameplay Screen Functions Definition
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Gameplay Screen Initialization logic
|
|
void InitGameplayScreen(void)
|
|
{
|
|
framesCounter = 0;
|
|
finishScreen = 0;
|
|
pause = false;
|
|
endingStatus = 0;
|
|
|
|
// Textures loading
|
|
texBackground = LoadTexture("resources/textures/background_gameplay.png");
|
|
texPlayer = LoadTexture("resources/textures/player.png");
|
|
texSampleSmall = LoadTexture("resources/textures/sample_small.png");
|
|
texSampleMid = LoadTexture("resources/textures/sample_mid.png");
|
|
texSampleBig = LoadTexture("resources/textures/sample_big.png");
|
|
|
|
waveRec = (Rectangle){ 32, 32, 1280 - 64, 105 };
|
|
waveTarget = LoadRenderTexture(waveRec.width, waveRec.height);
|
|
|
|
// Sound loading
|
|
fxSampleOn = LoadSound("resources/audio/sample_on.wav");
|
|
fxSampleOff = LoadSound("resources/audio/sample_off.wav");
|
|
fxPause = LoadSound("resources/audio/pause.wav");
|
|
|
|
SetSoundVolume(fxSampleOn, 0.6f);
|
|
SetSoundVolume(fxPause, 0.5f);
|
|
|
|
// Initialize player data
|
|
playerArea = (Rectangle){ 200, 160, 80, 400 };
|
|
|
|
player.width = 20;
|
|
player.height = 60;
|
|
player.speed = (Vector2){ 15, 15 };
|
|
player.color = GOLD;
|
|
player.position = (Vector2){ playerArea.x + playerArea.width/2 - texPlayer.width/2,
|
|
playerArea.y + playerArea.height/2 - texPlayer.height/2 };
|
|
|
|
warpCounter = 395;
|
|
synchro = 0.2f;
|
|
|
|
combo = 0;
|
|
maxCombo = 0;
|
|
|
|
// Initialize wave and samples data
|
|
Wave wave = LoadWave("resources/audio/wave.ogg");
|
|
float *waveData = GetWaveData(wave); // TODO: Be careful with channels!
|
|
|
|
// We calculate the required parameters to adjust audio time to gameplay time
|
|
// that way samples collected correspond to audio playing
|
|
// Synchonization is not perfect due to possible rounding issues (float to int)
|
|
waveTime = wave.sampleCount/wave.sampleRate; // Total sample time in seconds
|
|
float requiredSamples = (MAX_SAMPLES_SPEED*waveTime*60 - 1000)/SAMPLES_SPACING;
|
|
int samplesDivision = (int)(wave.sampleCount/requiredSamples);
|
|
|
|
totalSamples = wave.sampleCount/samplesDivision;
|
|
|
|
// We don't need wave any more (already got waveData)
|
|
UnloadWave(wave);
|
|
|
|
collectedSamples = 0;
|
|
|
|
// Init samples
|
|
samples = (Sample *)malloc(totalSamples*sizeof(Sample));
|
|
|
|
// Normalize wave data (min vs max values) to scale properly
|
|
float minSampleValue = 0.0f;
|
|
float maxSampleValue = 0.0f;
|
|
|
|
for (int i = 0; i < totalSamples; i++)
|
|
{
|
|
if (waveData[i*samplesDivision] < minSampleValue) minSampleValue = waveData[i*samplesDivision];
|
|
if (waveData[i*samplesDivision] > maxSampleValue) maxSampleValue = waveData[i*samplesDivision];
|
|
}
|
|
|
|
float sampleScaleFactor = 1.0f/(maxSampleValue - minSampleValue); // 400 pixels maximum size
|
|
|
|
// Initialize samples
|
|
for (int i = 0; i < totalSamples; i++)
|
|
{
|
|
samples[i].value = waveData[i*samplesDivision]*sampleScaleFactor; // Normalized value [-1.0..1.0]
|
|
samples[i].position.x = player.position.x + 1000 + i*SAMPLES_SPACING;
|
|
|
|
samples[i].position.y = GetScreenHeight()/2 + samples[i].value*SAMPLES_MULTIPLIER;
|
|
|
|
if (samples[i].position.y > GetScreenHeight()/2 + MAX_GAME_HEIGHT/2) samples[i].position.y = GetScreenHeight()/2 - MAX_GAME_HEIGHT/2;
|
|
else if (samples[i].position.y < GetScreenHeight()/2 - MAX_GAME_HEIGHT/2) samples[i].position.y = GetScreenHeight()/2 + MAX_GAME_HEIGHT/2;
|
|
|
|
samples[i].radius = 6;
|
|
samples[i].active = true;
|
|
samples[i].collected = false;
|
|
samples[i].color = RED;
|
|
samples[i].renderable = false;
|
|
}
|
|
|
|
samplesSpeed = MAX_SAMPLES_SPEED;
|
|
currentSample = 0;
|
|
|
|
//FILE *samplesFile = fopen("resources/samples.data", "wb");
|
|
//fwrite(samples, totalSamples*sizeof(Sample), 1, samplesFile);
|
|
//fclose(samplesFile);
|
|
|
|
// We already saved the samples we needed for the game, we can free waveData
|
|
free(waveData);
|
|
|
|
// Load and start playing music
|
|
// NOTE: Music is loaded in main code base
|
|
StopMusicStream(music);
|
|
PlayMusicStream(music);
|
|
}
|
|
|
|
// Gameplay Screen Update logic
|
|
void UpdateGameplayScreen(void)
|
|
{
|
|
if (IsKeyPressed('P'))
|
|
{
|
|
PlaySound(fxPause);
|
|
pause = !pause;
|
|
|
|
if (pause) PauseMusicStream(music);
|
|
else ResumeMusicStream(music);
|
|
}
|
|
|
|
if (!pause)
|
|
{
|
|
framesCounter++; // Time starts counting to awake enemies
|
|
|
|
// Player movement logic (mouse)
|
|
player.position.y = GetMousePosition().y;
|
|
|
|
// Player movement logic (keyboard)
|
|
if (IsKeyDown(KEY_W)) player.position.y -= player.speed.y;
|
|
else if (IsKeyDown(KEY_S)) player.position.y += player.speed.y;
|
|
|
|
// Player movement logic (gamepad)
|
|
/*
|
|
if (IsGamepadAvailable(GAMEPAD_PLAYER1))
|
|
{
|
|
Vector2 movement = { 0.0f };
|
|
|
|
movement.x = GetGamepadAxisMovement(GAMEPAD_PLAYER1, GAMEPAD_PS3_AXIS_LEFT_X);
|
|
movement.y = GetGamepadAxisMovement(GAMEPAD_PLAYER1, GAMEPAD_PS3_AXIS_LEFT_Y);
|
|
|
|
player.position.x += movement.x*0.1f; // Scale gamepad movement value
|
|
player.position.y += movement.y*0.1f; // Scale gamepad movement value
|
|
}
|
|
*/
|
|
|
|
// Player logic: check player area limits
|
|
if (player.position.x < playerArea.x) player.position.x = playerArea.x;
|
|
else if ((player.position.x + player.width) > (playerArea.x + playerArea.width)) player.position.x = playerArea.x + playerArea.width - player.width;
|
|
|
|
if (player.position.y < playerArea.y) player.position.y = playerArea.y;
|
|
else if ((player.position.y + player.height) > (playerArea.y + playerArea.height)) player.position.y = playerArea.y + playerArea.height - player.height;
|
|
|
|
// Samples logic
|
|
for (int i = 0; i < totalSamples; i++)
|
|
{
|
|
// Samples movement logic
|
|
samples[i].position.x -= samplesSpeed;
|
|
|
|
if (((samples[i].position.x + samples[i].radius) > -SAMPLES_SPACING) &&
|
|
((samples[i].position.x - samples[i].radius) < GetScreenWidth())) samples[i].renderable = true;
|
|
else samples[i].renderable = false;
|
|
|
|
// Samples catch logic
|
|
if (!samples[i].collected && CheckCollisionCircleRec(samples[i].position, samples[i].radius, (Rectangle){ (int)player.position.x, (int)player.position.y, player.width, player.height }))
|
|
{
|
|
samples[i].collected = true;
|
|
collectedSamples++;
|
|
synchro += 0.02;
|
|
|
|
combo++;
|
|
if (combo > maxCombo) maxCombo = combo;
|
|
|
|
if (synchro >= 1.0f) synchro = 1.0f;
|
|
|
|
// Set sound pitch depending on sample position (base pitch: 1.0f)
|
|
// NOTE: waveData[i*WAVE_SAMPLES_DIV] is scaled to [0.3..1.7]
|
|
SetSoundPitch(fxSampleOn, samples[i].value*1.4f + 0.7f);
|
|
|
|
PlaySound(fxSampleOn);
|
|
}
|
|
|
|
if ((samples[i].position.x - samples[i].radius) < player.position.x)
|
|
{
|
|
currentSample = i; // Register last sample going out range
|
|
|
|
if (samples[i].active)
|
|
{
|
|
samples[i].active = false;
|
|
|
|
if (!samples[i].collected)
|
|
{
|
|
synchro -= 0.05f;
|
|
PlaySound(fxSampleOff);
|
|
combo = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (IsKeyDown(KEY_SPACE) && (warpCounter > 0))
|
|
{
|
|
warpCounter--;
|
|
if (warpCounter < 0) warpCounter = 0;
|
|
|
|
samplesSpeed -= 0.1f;
|
|
if (samplesSpeed <= MIN_SAMPLES_SPEED) samplesSpeed = MIN_SAMPLES_SPEED;
|
|
|
|
SetMusicPitch(music, samplesSpeed/MAX_SAMPLES_SPEED);
|
|
}
|
|
else
|
|
{
|
|
warpCounter++;
|
|
if (warpCounter > 395) warpCounter = 395;
|
|
|
|
samplesSpeed += 0.1f;
|
|
if (samplesSpeed >= MAX_SAMPLES_SPEED) samplesSpeed = MAX_SAMPLES_SPEED;
|
|
|
|
SetMusicPitch(music, samplesSpeed/MAX_SAMPLES_SPEED);
|
|
}
|
|
|
|
// Check ending conditions
|
|
if (currentSample >= totalSamples - 1)
|
|
{
|
|
endingStatus = 1; // Win
|
|
finishScreen = 1;
|
|
}
|
|
|
|
if (synchro <= 0.0f)
|
|
{
|
|
synchro = 0.0f;
|
|
endingStatus = 2; // Loose
|
|
finishScreen = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Gameplay Screen Draw logic
|
|
void DrawGameplayScreen(void)
|
|
{
|
|
// Draw background
|
|
DrawTexture(texBackground, 0, 0, WHITE);
|
|
|
|
// Screen elements drawing
|
|
//DrawRectangleLines(playerArea.x, playerArea.y, playerArea.width, playerArea.height, BLUE);
|
|
DrawRectangle(0, GetScreenHeight()/2 - 1, GetScreenWidth(), 2, Fade(BLUE, 0.3f));
|
|
//DrawRectangleLines(0, GetScreenHeight()/2 - MAX_GAME_HEIGHT/2, GetScreenWidth(), MAX_GAME_HEIGHT, GRAY);
|
|
|
|
// Draw samples
|
|
for (int i = 0; i < totalSamples - 1; i++)
|
|
{
|
|
if (samples[i].renderable)
|
|
{
|
|
Color col = samples[i].color;
|
|
|
|
if (i < (currentSample + 1)) col = Fade(DARKGRAY, 0.5f);
|
|
else col = WHITE;
|
|
|
|
if (!samples[i].collected)
|
|
{
|
|
//DrawCircleV(samples[i].position, samples[i].radius, col);
|
|
|
|
if (combo > 30) DrawTexture(texSampleSmall, samples[i].position.x - texSampleSmall.width/2, samples[i].position.y - texSampleSmall.height/2, col);
|
|
else if (combo > 15) DrawTexture(texSampleMid, samples[i].position.x - texSampleMid.width/2, samples[i].position.y - texSampleMid.height/2, col);
|
|
else DrawTexture(texSampleBig, samples[i].position.x - texSampleBig.width/2, samples[i].position.y - texSampleBig.height/2, col);
|
|
}
|
|
|
|
if (i < (currentSample + 1)) col = Fade(GRAY, 0.3f);
|
|
else col = Fade(RED, 0.5f);
|
|
|
|
// Draw line between samples
|
|
DrawLineEx(samples[i].position, samples[i + 1].position, 3.0f, col);
|
|
}
|
|
}
|
|
|
|
// Draw player
|
|
//DrawRectangle((int)player.position.x, (int)player.position.y, player.width, player.height, player.color);
|
|
DrawTexture(texPlayer, player.position.x - 32, player.position.y - 24, WHITE);
|
|
|
|
// Draw pause message
|
|
if (pause) DrawTextEx(font, "WAVE PAUSED", (Vector2){ 235, 400 }, font.baseSize*2, 0, WHITE);
|
|
|
|
// Draw number of samples
|
|
//DrawText(FormatText("%05i", collectedSamples), 900, 200, 40, GRAY);
|
|
//DrawText(FormatText("%05i", totalSamples), 900, 250, 40, GRAY);
|
|
DrawTextEx(font, FormatText("%05i / %05i", collectedSamples, totalSamples), (Vector2){810, 170}, font.baseSize, -2, SKYBLUE);
|
|
|
|
// Draw combo
|
|
DrawTextEx(font, FormatText("Combo: %02i [max: %02i]", combo, maxCombo), (Vector2){200, 170}, font.baseSize/2, -2, SKYBLUE);
|
|
|
|
// Draw synchonicity level
|
|
DrawRectangle(99, 622, 395, 32, Fade(RAYWHITE, 0.8f));
|
|
|
|
if (synchro <= 0.3f) DrawRectangle(99, 622, synchro*395, 32, Fade(RED, 0.8f));
|
|
else if (synchro <= 0.8f) DrawRectangle(99, 622, synchro*395, 32, Fade(ORANGE,0.8f));
|
|
else if (synchro < 1.0f) DrawRectangle(99, 622, synchro*395, 32, Fade(LIME,0.8f));
|
|
else DrawRectangle(99, 622, synchro*395, 32, Fade(GREEN, 0.9f));
|
|
|
|
DrawRectangleLines(99, 622, 395, 32, MAROON);
|
|
|
|
if (synchro == 1.0f) DrawTextEx(font, FormatText("%02i%%", (int)(synchro*100)), (Vector2){99 + 390, 600}, font.baseSize, -2, GREEN);
|
|
else DrawTextEx(font, FormatText("%02i%%", (int)(synchro*100)), (Vector2){99 + 390, 600}, font.baseSize, -2, SKYBLUE);
|
|
|
|
// Draw time warp coool-down bar
|
|
DrawRectangle(754, 622, 395, 32, Fade(RAYWHITE, 0.8f));
|
|
DrawRectangle(754, 622, warpCounter, 32, Fade(SKYBLUE, 0.8f));
|
|
DrawRectangleLines(754, 622, 395, 32, DARKGRAY);
|
|
//DrawText(FormatText("%02i%%", (int)(synchro*100)), 754 + 410, 628, 20, DARKGRAY);
|
|
DrawTextEx(font, FormatText("%02i%%", (int)((float)warpCounter/395.0f*100.0f)), (Vector2){754 + 390, 600}, font.baseSize, -2, SKYBLUE);
|
|
|
|
// Draw wave
|
|
if (waveTarget.texture.id <= 0) // Render target could not be loaded (OpenGL 1.1)
|
|
{
|
|
// Draw wave directly on screen
|
|
DrawSamplesMap(samples, totalSamples, currentSample, waveRec, MAROON);
|
|
DrawRectangle(waveRec.x + (int)currentSample*1215/totalSamples, waveRec.y, 2, 99, DARKGRAY);
|
|
}
|
|
else
|
|
{
|
|
// Draw wave using render target
|
|
BeginTextureMode(waveTarget);
|
|
ClearBackground(BLANK);
|
|
DrawSamplesMap(samples, totalSamples, currentSample, (Rectangle){ 0, 0, waveTarget.texture.width, waveTarget.texture.height }, MAROON);
|
|
EndTextureMode();
|
|
|
|
// TODO: Apply antialiasing shader
|
|
|
|
DrawTextureEx(waveTarget.texture, (Vector2){ waveRec.x, waveRec.y }, 0.0f, 1.0f, WHITE);
|
|
DrawRectangle(waveRec.x + (int)currentSample*1215/totalSamples, waveRec.y, 2, 99, DARKGRAY);
|
|
}
|
|
}
|
|
|
|
// Gameplay Screen Unload logic
|
|
void UnloadGameplayScreen(void)
|
|
{
|
|
StopMusicStream(music);
|
|
|
|
// Unload textures
|
|
UnloadTexture(texBackground);
|
|
UnloadTexture(texPlayer);
|
|
UnloadTexture(texSampleSmall);
|
|
UnloadTexture(texSampleMid);
|
|
UnloadTexture(texSampleBig);
|
|
|
|
UnloadRenderTexture(waveTarget);
|
|
|
|
// Unload sounds
|
|
UnloadSound(fxSampleOn);
|
|
UnloadSound(fxSampleOff);
|
|
UnloadSound(fxPause);
|
|
|
|
free(samples); // Unload game samples
|
|
}
|
|
|
|
// Gameplay Screen should finish?
|
|
int FinishGameplayScreen(void)
|
|
{
|
|
return finishScreen;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Module Functions Definitions (local)
|
|
//------------------------------------------------------------------------------------
|
|
|
|
// Draw samples in wave form (including already played samples in a different color!)
|
|
// NOTE: For proper visualization, MSAA x4 is recommended, alternatively
|
|
// it should be rendered to a bigger texture and then scaled down with
|
|
// bilinear/trilinear texture filtering
|
|
static void DrawSamplesMap(Sample *samples, int sampleCount, int playedSamples, Rectangle bounds, Color color)
|
|
{
|
|
// NOTE: We just pick a sample to draw every increment
|
|
float sampleIncrementX = (float)bounds.width/sampleCount;
|
|
|
|
Color col = color;
|
|
|
|
for (int i = 0; i < sampleCount - 1; i++)
|
|
{
|
|
if (i < playedSamples) col = GRAY;
|
|
else col = color;
|
|
|
|
DrawLineV((Vector2){ (float)bounds.x + (float)i*sampleIncrementX, (float)(bounds.y + bounds.height/2) + samples[i].value*bounds.height },
|
|
(Vector2){ (float)bounds.x + (float)(i + 1)*sampleIncrementX, (float)(bounds.y + bounds.height/2) + + samples[i + 1].value*bounds.height }, col);
|
|
}
|
|
}
|