The good old Neggs are back. https://sigonasr2.itch.io/meerca-chase-clone
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MeercaChase/MeercaChase.cpp

271 lines
7.4 KiB

#define OLC_PGE_APPLICATION
#include "pixelGameEngine.h"
#include <math.h>
#define boolean char
#define true 1
#define false 0
using namespace std;
#define UP 0
#define RIGHT 1
#define DOWN 2
#define LEFT 3
#define TAIL_DISTANCE 4
struct TailData{
char direction = 0;
char*future_direction;
int*pos;
int*frameCount;
int waitTime = 0;
char futureIndex=0;
};
//Yellow = 1
//Blue = 2
//Green = 3
//Grey = 4
//Brown = 5
//Aqua = 6
//Red = 7
//Orange = 8
//Golden = 9
//Rainbow = 10
class MeercaChase : public olc::PixelGameEngine
{
public:
olc::Decal*meerca,*negg,*badnegg,*goldennegg,*rainbownegg;
const float UPDATE_RATE = 0.016666667f;
const int NEGG_BOUNDARY=6;
float accumulatedTime = 0.0f;
int frameCount=0;
int moveSpd=4;
int neggType=1;
float meercaSpd[2] = {0,0};
float meercaPos[2] = {240,240};
float scorePos[2] = {-50,-50};
int scoreTransparency=255;
int scoreValue=1;
float*meercaPreviousPos=NULL;
float neggPos[2] = {};
float*badNeggs=NULL;
int badNeggCount=0;
int tailSize=0;
int score=0;
void assignNeggRandomPos() {
do {
neggPos[0]=(float)rand()/(float)RAND_MAX*(480-NEGG_BOUNDARY*2)+NEGG_BOUNDARY;
neggPos[1]=(float)rand()/(float)RAND_MAX*(480-NEGG_BOUNDARY*2)+NEGG_BOUNDARY;
} while(!positionFree(neggPos));
}
void spawnBadNegg() {
badNeggs=(float*)realloc(badNeggs,sizeof(float)*(++badNeggCount*2));
do {
badNeggs[badNeggCount*2-2] = (float)rand()/(float)RAND_MAX*(480-NEGG_BOUNDARY*2)+NEGG_BOUNDARY;
badNeggs[badNeggCount*2-1] = (float)rand()/(float)RAND_MAX*(480-NEGG_BOUNDARY*2)+NEGG_BOUNDARY;
} while(!positionFree(badNeggs+(badNeggCount*2-2),true));
}
boolean positionFree(float*pos) {
return positionFree(pos,false);
}
boolean positionFree(float*pos,boolean badNegg) {
if (badNegg&&abs(pos[0]-neggPos[0])<4&&abs(pos[1]-neggPos[1])<4) {
return false;
}
if (abs(pos[0]-meercaPos[0])<64&&abs(pos[1]-meercaPos[1])<64) {
return false;
}
for (int i=0;i<((badNegg)?badNeggCount-1:badNeggCount);i++) {
if (abs(pos[0]-badNeggs[i*2])<4&&abs(pos[1]-badNeggs[i*2+1])<4) {
return false;
}
}
return true;
}
MeercaChase()
{
sAppName = "Meerca Chase";
init();
}
void init() {
srand(432189);
assignNeggRandomPos();
if (badNeggs!=NULL) {free(badNeggs);}
if (meercaPreviousPos!=NULL) {
free(meercaPreviousPos);
}
badNeggs=(float*)malloc(sizeof(float)*0);
meercaPreviousPos=(float*)malloc(sizeof(float)*0);
badNeggCount=0;
tailSize=0;
score=0;
meercaPos[0]=240;
meercaPos[1]=240;
meercaSpd[0]=0;
meercaSpd[1]=0;
}
bool OnUserCreate() override
{
meerca = new olc::Decal(new olc::Sprite("assets/meerca.png"));
negg = new olc::Decal(new olc::Sprite("assets/negg.png"));
badnegg = new olc::Decal(new olc::Sprite("assets/badnegg.png"));
goldennegg = new olc::Decal(new olc::Sprite("assets/golden_negg.png"));
rainbownegg = new olc::Decal(new olc::Sprite("assets/rainbow_negg.png"));
SetPixelMode(olc::Pixel::ALPHA);
ConsoleCaptureStdOut(true);
Clear(olc::DARK_CYAN);
// Called once at the start, so create things here
return true;
}
bool OnUserUpdate(float fElapsedTime) override
{
Clear(olc::DARK_CYAN);
accumulatedTime+=fElapsedTime;
while (accumulatedTime>=UPDATE_RATE) {
accumulatedTime-=UPDATE_RATE;
updateGame(); //DO NOT ADD THINGS HERE. USE updateGame()!
}
if (GetKey(olc::F1).bPressed) {
ConsoleShow(olc::F1,false);
}
if (GetKey(olc::W).bPressed&&(meercaSpd[0]+meercaSpd[1]==0||meercaSpd[0]!=0)) {
meercaSpd[0]=0;
meercaSpd[1]=-moveSpd;
}
if (GetKey(olc::A).bPressed&&(meercaSpd[0]+meercaSpd[1]==0||meercaSpd[1]!=0)) {
meercaSpd[0]=-moveSpd;
meercaSpd[1]=0;
}
if (GetKey(olc::D).bPressed&&(meercaSpd[0]+meercaSpd[1]==0||meercaSpd[1]!=0)) {
meercaSpd[0]=moveSpd;
meercaSpd[1]=0;
}
if (GetKey(olc::S).bPressed&&(meercaSpd[0]+meercaSpd[1]==0||meercaSpd[0]!=0)) {
meercaSpd[0]=0;
meercaSpd[1]=moveSpd;
}
// called once per frame
if (meercaSpd[0]==moveSpd) {
DrawRotatedDecal({meercaPos[0],meercaPos[1]},meerca,M_PI_2,{16,16});
} else
if (meercaSpd[0]==-moveSpd) {
DrawRotatedDecal({meercaPos[0],meercaPos[1]},meerca,M_PI_2*3,{16,16});
} else
if (meercaSpd[1]==moveSpd) {
DrawRotatedDecal({meercaPos[0],meercaPos[1]},meerca,M_PI,{16,16});
} else {
DrawRotatedDecal({meercaPos[0],meercaPos[1]},meerca,0,{16,16});
}
switch (neggType) {
case 1:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::YELLOW);
}break;
case 2:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::BLUE);
}break;
case 3:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::GREEN);
}break;
case 4:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::GREY);
}break;
case 5:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::Pixel(71,36,20));
}break;
case 6:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::Pixel(0,251,255));
}break;
case 7:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::MAGENTA);
}break;
case 8:{
DrawRotatedDecal({neggPos[0],neggPos[1]},negg,0,{16,16},{1.5,1.5},olc::Pixel(255,128,0));
}break;
case 9:{
DrawRotatedDecal({neggPos[0],neggPos[1]},goldennegg,0,{16,16},{1.5,1.5},olc::WHITE);
}break;
case 10:{
DrawRotatedDecal({neggPos[0],neggPos[1]},rainbownegg,0,{16,16},{1.5,1.5},olc::WHITE);
}break;
}
for (int i=0;i<badNeggCount;i++) {
DrawRotatedDecal({badNeggs[i*2],badNeggs[i*2+1]},badnegg,0,{16,16},{1,1});
}
DrawString({16,16},"Score: "+to_string(score),olc::VERY_DARK_BLUE);
if (IsMobile()) {
DrawString({16,32},"<Using Mobile Controls>",olc::WHITE,2);
}
for (int i=0;i<tailSize;i++) {
if (i!=tailSize-1&&abs(meercaPos[0]-meercaPreviousPos[(i*8+6)])<8&&abs(meercaPos[1]-meercaPreviousPos[(i*8+7)])<8) {
init();
}
DrawCircle({(int)meercaPreviousPos[(i*8+6)],(int)meercaPreviousPos[(i*8+7)]},8);
}
if (scoreTransparency>0) {
DrawString({(int)scorePos[0],(int)scorePos[1]},"+"+to_string(scoreValue),olc::Pixel(0,0,255,scoreTransparency),2);
}
return true;
}
void updateGame() {
for (int i=tailSize*8-2;i>=0;i-=2) {
if (i==0) {
meercaPreviousPos[i]=meercaPos[0];
meercaPreviousPos[i+1]=meercaPos[1];
} else {
meercaPreviousPos[i]=meercaPreviousPos[i-2];
meercaPreviousPos[i+1]=meercaPreviousPos[i-1];
}
}
meercaPos[0]+=meercaSpd[0];
meercaPos[1]+=meercaSpd[1];
if (abs(meercaPos[0]-neggPos[0])<8&&abs(meercaPos[1]-neggPos[1])<8) {
assignNeggRandomPos();
tailSize++;
score+=neggType;
scorePos[0]=meercaPos[0];
scorePos[1]=meercaPos[1]-12;
scoreTransparency=255;
scoreValue=neggType;
neggType=1;
while (rand()%2==0&&neggType<10) {
neggType++;
}
meercaPreviousPos=(float*)realloc(meercaPreviousPos,sizeof(float)*tailSize*8);
for (int i=0;i<8;i+=2) {
meercaPreviousPos[(tailSize-1)*8+i]=meercaPos[0];
meercaPreviousPos[(tailSize-1)*8+i+1]=meercaPos[1];
}
if ((float)rand()/(float)RAND_MAX<0.6) {
spawnBadNegg();
}
}
if (meercaPos[0]<-8||meercaPos[0]>488||meercaPos[1]<-8||meercaPos[1]>488) {
init();
}
for (int i=0;i<badNeggCount;i++) {
if (abs(meercaPos[0]-badNeggs[i*2])<6&&abs(meercaPos[1]-badNeggs[i*2+1])<6) {
init();
}
}
scorePos[1]-=0.2;
scoreTransparency-=4;
}
};
int main()
{
MeercaChase game;
if (game.Construct(480, 480, 4, 4))
game.Start();
return 0;
}