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mimukit/OpenGL_Missionaries_and_Cannibals.cpp

Last active August 16, 2016 21:15
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Missionaries and Cannibals river crossing puzzle game using OpenGL
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OpenGL_Missionaries_and_Cannibals.cpp
#include <stdlib.h>
#include <iostream>
#include <math.h>
#include <Windows.h>
#include <GL/glut.h>
using namespace std;
bool isWin, isLost;
int leftCannibals, leftMissionaries, rightCannibals, rightMissionaries, onBoatCannibals, onBoatMissionaries;
GLfloat boatPosX, boatDeltaX;
bool moveBoat, moveBoatReverse, boatCrossed, riverCrossedOnce;
float moveClouds, cloudDeltaX;
//Character Details
int leftCharacterPosX, leftCharacterPosY, rightCharacterPosX, rightCharacterPosY, characterWidth, characterHeight;
bool leftMissionaryVisibility[3], leftCannibalVisibility[3], rightMissionaryVisibility[3], rightCannibalVisibility[3], boatMissionaryVisibility[2], boatCannibalVisibility[2];
int boatCharacterLeftX, boatCharacterRightX, boatCharacterY;
// 0 = none, 1 = cannibal, 2 = missionary
int boatLeftCharacter, boatRightCharacter;
void resetAll()
{
isWin = false;
isLost = false;
boatLeftCharacter = 0;
boatRightCharacter = 0;
boatPosX = 0.0;
boatDeltaX = 2.0;
moveBoat = false;
moveBoatReverse = false;
boatCrossed = false;
riverCrossedOnce = false;
moveClouds = 0.0;
cloudDeltaX = 1.0;
leftCharacterPosX = 5;
leftCharacterPosY = 250;
rightCharacterPosX = 700;
rightCharacterPosY = 250;
characterWidth = 45;
characterHeight = 80;
for (int i = 0; i < 3; i++)
{
leftMissionaryVisibility[i] = true;
leftCannibalVisibility[i] = true;
rightMissionaryVisibility[i] = false;
rightCannibalVisibility[i] = false;
}
for (int i = 0; i < 2; i++)
{
boatMissionaryVisibility[i] = false;
boatCannibalVisibility[i] = false;
}
boatCharacterLeftX = 285;
boatCharacterRightX = 360;
boatCharacterY = 165;
system("cls");
}
void checkGameStatus()
{
cout << "Checking game status..." << endl;
leftCannibals = 0;
leftMissionaries = 0;
rightCannibals = 0;
rightMissionaries = 0;
onBoatCannibals = 0;
onBoatMissionaries = 0;
for (int i = 0; i < 3; i++)
{
if (leftCannibalVisibility[i])
{
leftCannibals++;
}
if (leftMissionaryVisibility[i])
{
leftMissionaries++;
}
if (rightCannibalVisibility[i])
{
rightCannibals++;
}
if (rightMissionaryVisibility[i])
{
rightMissionaries++;
}
}
if (boatLeftCharacter == 1)
{
onBoatCannibals++;
}
if (boatRightCharacter == 1)
{
onBoatCannibals++;
}
if (boatLeftCharacter == 2)
{
onBoatMissionaries++;
}
if (boatRightCharacter == 2)
{
onBoatMissionaries++;
}
cout << "Left : cannibals = " << leftCannibals << ", missionaries = " << leftMissionaries << endl;
cout << "Right : cannibals = " << rightCannibals << ", missionaries = " << rightMissionaries << endl;
cout << "On Boat : cannibals = " << onBoatCannibals << ", missionaries = " << onBoatMissionaries << endl;
if (!boatCrossed)
{
if ((leftCannibals + onBoatCannibals) > (leftMissionaries + onBoatMissionaries) && (leftMissionaries + onBoatMissionaries) > 0)
{
isLost = true;
}
if ((rightCannibals) > (rightMissionaries) && rightMissionaries > 0)
{
isLost = true;
}
}
else if (boatCrossed)
{
if ((rightCannibals + onBoatCannibals) > (rightMissionaries + onBoatMissionaries) && (rightMissionaries + onBoatMissionaries) > 0)
{
isLost = true;
}
if ((leftCannibals) > (leftMissionaries) && leftMissionaries > 0)
{
isLost = true;
}
}
if (boatCrossed && (rightCannibals + onBoatCannibals) == 3 && (rightMissionaries + onBoatMissionaries) == 3)
{
isWin = true;
}
if (isLost)
{
int msgRes = MessageBox(NULL, "You Lose...", "Retry", MB_RETRYCANCEL);
if (msgRes == IDRETRY)
{
resetAll();
}
else if (msgRes == IDCANCEL)
{
exit(1);
}
}
if (isWin)
{
MessageBox(NULL, "Congratulation. You Win!!!", "Congratulation", MB_OK);
int msgRes = MessageBox(NULL, "Do you want to play again?", "Restart?", MB_YESNO);
if (msgRes == IDYES)
{
resetAll();
}
else if (msgRes == IDNO)
{
exit(1);
}
}
}
int getCannibalBlankPosition()
{
if (!boatCrossed)
{
for (int i = 0; i < 3; i++)
{
if (leftCannibalVisibility[i] == false)
{
return i;
}
}
return -1;
}
else if (boatCrossed)
{
for (int i = 0; i < 3; i++)
{
if (rightCannibalVisibility[i] == false)
{
return i;
}
}
return -1;
}
}
int getMissinaryBlankPosition()
{
if (!boatCrossed)
{
for (int i = 0; i < 3; i++)
{
if (leftMissionaryVisibility[i] == false)
{
return i;
}
}
return -1;
}
else if (boatCrossed)
{
for (int i = 0; i < 3; i++)
{
if (rightMissionaryVisibility[i] == false)
{
return i;
}
}
return -1;
}
}
void drawPixel(GLint cx, GLint cy)
{
glBegin(GL_POINTS);
glVertex2i(cx, cy);
glEnd();
}
void plotPixels(GLint h, GLint k, GLint x, GLint y)
{
drawPixel(x + h, y + k);
drawPixel(-x + h, y + k);
drawPixel(x + h, -y + k);
drawPixel(-x + h, -y + k);
drawPixel(y + h, x + k);
drawPixel(-y + h, x + k);
drawPixel(y + h, -x + k);
drawPixel(-y + h, -x + k);
}
void drawCircle(GLint h, GLint k, GLint r)
{
GLint d = 1 - r, x = 0, y = r;
while (y>x)
{
plotPixels(h, k, x, y);
if (d<0) d += 2 * x + 3;
else
{
d += 2 * (x - y) + 5;
--y;
}
++x;
}
plotPixels(h, k, x, y);
}
void drawBackground()
{
glBegin(GL_POLYGON);
glColor3f(0.58, 0.85, 1.0);
glVertex2f(0, 0);
glVertex2f(0, 700);
glVertex2f(1000, 700);
glVertex2f(1000, 0);
glEnd();
}
void drawRiverBank()
{
// Left Bank
glBegin(GL_POLYGON);
glColor3f(0.52, 0.78, 0.22);
glVertex2i(0, 0);
glVertex2i(0, 400);
glVertex2i(400, 400);
glVertex2i(150, 0);
glEnd();
// Right Bank
glBegin(GL_POLYGON);
glColor3f(0.52, 0.78, 0.22);
glVertex2i(1000, 0);
glVertex2i(1000, 400);
glVertex2i(600, 400);
glVertex2i(850, 0);
glEnd();
}
void drawWater()
{
glBegin(GL_POLYGON);
glColor3f(0.06, 0.66, 0.75);
glVertex2i(150, 0);
glVertex2i(400, 400);
glVertex2i(600, 400);
glVertex2i(850, 0);
glEnd();
}
void drawHill(int sx, int sy, int w, int h)
{
glBegin(GL_TRIANGLES);
glColor3f(0.13, 0.48, 0.49);
glVertex2i(sx, sy);
glVertex2i(sx + (w / 2), sy);
glVertex2i(sx + (w / 2), sy + h);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(0.11, 0.55, 0.55);
glVertex2i(sx + w, sy);
glVertex2i(sx + (w / 2), sy);
glVertex2i(sx + (w / 2), sy + h);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(0.77, 0.87, 0.98);
glVertex2i(sx + (w / 2), sy + h);
glVertex2i(sx + (w / 3), sy + (h / 1.5));
glVertex2i(sx + w - (w / 3), sy + (h / 1.5));
glEnd();
}
void drawSun(GLfloat x, GLfloat y, GLfloat radius) {
int i;
double const PI = 3.1416;
int triangleAmount = 500; //# of triangles used to draw circle
//GLfloat radius = 0.8f; //radius
GLfloat twicePi = 2.0f * PI;
glBegin(GL_TRIANGLE_FAN);
glColor3f(1.0, 0.93, 0.35);
glVertex2f(x, y); // center of circle
for (i = 0; i <= triangleAmount; i++) {
glVertex2f(
x + (radius * cos(i * twicePi / triangleAmount)),
y + (radius * sin(i * twicePi / triangleAmount))
);
}
glEnd();
radius = radius - 5;
glBegin(GL_TRIANGLE_FAN);
glColor3f(0.99, 0.85, 0.21);
glVertex2f(x, y); // center of circle
for (i = 0; i <= triangleAmount; i++) {
glVertex2f(
x + (radius * cos(i * twicePi / triangleAmount)),
y + (radius * sin(i * twicePi / triangleAmount))
);
}
glEnd();
radius = radius - 5;
glBegin(GL_TRIANGLE_FAN);
glColor3f(0.98, 0.75, 0.18);
glVertex2f(x, y); // center of circle
for (i = 0; i <= triangleAmount; i++) {
glVertex2f(
x + (radius * cos(i * twicePi / triangleAmount)),
y + (radius * sin(i * twicePi / triangleAmount))
);
}
glEnd();
}
void drawClouds()
{
// cloud 1
for (int l = 0; l <= 20; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(190 + moveClouds, 580, l);
}
for (int l = 0; l <= 35; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(230 + moveClouds, 580, l);
drawCircle(255 + moveClouds, 580, l);
}
for (int l = 0; l <= 20; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(295 + moveClouds, 580, l);
}
//cloud2
for (int l = 0; l <= 20; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(770 + moveClouds, 615, l);
}
for (int l = 0; l <= 35; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(810 + moveClouds, 615, l);
drawCircle(835 + moveClouds, 615, l);
drawCircle(870 + moveClouds, 615, l);
}
for (int l = 0; l <= 20; l++)
{
glColor3f(1.0, 1.0, 1.0);
drawCircle(900 + moveClouds, 615, l);
}
}
void drawBoat()
{
int px = 245, py = 200, w = 200, h = 50;
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.04);
glVertex2i(px + boatPosX, py);
glVertex2i(px + boatPosX + w, py);
glVertex2i(px + boatPosX + w - (w / 4), py - h);
glVertex2i(px + boatPosX + (w / 4), py - h);
glEnd();
// Under water reflection
glBegin(GL_POLYGON);
glColor4f(0.06, 0.66, 0.75, .5);
glVertex2i(px + boatPosX + (w / 8), py - (h / 2));
glVertex2i(px + boatPosX + w - (w / 8), py - (h / 2));
glVertex2i(px + boatPosX + w - (w / 5), py - h);
glVertex2i(px + boatPosX + (w / 5), py - h);
glEnd();
}
void drawMissionary(int px, int py)
{
int w = characterWidth, h = characterHeight;
// Hair
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 12, py + 66);
glVertex2i(px + 34, py + 66);
glVertex2i(px + 34, py + 76);
glVertex2i(px + 12, py + 76);
glEnd();
// Head
glBegin(GL_POLYGON);
glColor3f(0.99, 0.87, 0.75);
glVertex2i(px + 20, py + 58);
glVertex2i(px + 25, py + 58);
glVertex2i(px + 25, py + 62);
glVertex2i(px + 20, py + 62);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.99, 0.87, 0.75);
glVertex2i(px + 15, py + 62);
glVertex2i(px + 30, py + 62);
glVertex2i(px + 30, py + 72);
glVertex2i(px + 15, py + 72);
glEnd();
// Face
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 17, py + 67);
glVertex2i(px + 21, py + 67);
glVertex2i(px + 21, py + 69);
glVertex2i(px + 17, py + 69);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 24, py + 67);
glVertex2i(px + 28, py + 67);
glVertex2i(px + 28, py + 69);
glVertex2i(px + 24, py + 69);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 20, py + 64);
glVertex2i(px + 25, py + 64);
glVertex2i(px + 25, py + 65);
glVertex2i(px + 20, py + 65);
glEnd();
// Hand
glBegin(GL_POLYGON);
glColor3f(0.99, 0.87, 0.75);
glVertex2i(px + 10, py + 56);
glVertex2i(px + 5, py + 56);
glVertex2i(px + 5, py + 33);
glVertex2i(px + 8, py + 33);
glVertex2i(px + 8, py + 53);
glVertex2i(px + 10, py + 53);
glVertex2i(px + 10, py + 56);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.99, 0.87, 0.75);
glVertex2i(px + 34, py + 56);
glVertex2i(px + 39, py + 56);
glVertex2i(px + 39, py + 33);
glVertex2i(px + 36, py + 33);
glVertex2i(px + 36, py + 53);
glVertex2i(px + 34, py + 53);
glVertex2i(px + 34, py + 56);
glEnd();
// Body
glBegin(GL_POLYGON);
glColor3f(0.68, 0.50, 0.77);
glVertex2i(px + 10, py + 34);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 34, py + 58);
glVertex2i(px + 10, py + 58);
glEnd();
// Pant
glBegin(GL_POLYGON);
glColor3f(0.0, 0.33, 0.56);
glVertex2i(px + 10, py + 8);
glVertex2i(px + 17, py + 8);
glVertex2i(px + 17, py + 34);
glVertex2i(px + 10, py + 34);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.33, 0.56);
glVertex2i(px + 26, py + 8);
glVertex2i(px + 34, py + 8);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 26, py + 34);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.33, 0.56);
glVertex2i(px + 10, py + 34);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 34, py + 20);
glVertex2i(px + 10, py + 20);
glEnd();
// Shoes
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 7, py + 3);
glVertex2i(px + 19, py + 3);
glVertex2i(px + 19, py + 8);
glVertex2i(px + 7, py + 8);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 25, py + 3);
glVertex2i(px + 38, py + 3);
glVertex2i(px + 38, py + 8);
glVertex2i(px + 25, py + 8);
glEnd();
}
void drawCannibal(int px, int py)
{
int w = characterWidth, h = characterHeight;
// Hair
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 17, py + 72);
glVertex2i(px + 21, py + 72);
glVertex2i(px + 21, py + 78);
glVertex2i(px + 17, py + 78);
glEnd();
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 24, py + 72);
glVertex2i(px + 28, py + 72);
glVertex2i(px + 28, py + 78);
glVertex2i(px + 24, py + 78);
glEnd();
// Head
glBegin(GL_POLYGON);
glColor3f(0.90, 0.91, 0.08);
glVertex2i(px + 20, py + 58);
glVertex2i(px + 25, py + 58);
glVertex2i(px + 25, py + 62);
glVertex2i(px + 20, py + 62);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.90, 0.91, 0.08);
glVertex2i(px + 15, py + 62);
glVertex2i(px + 30, py + 62);
glVertex2i(px + 30, py + 72);
glVertex2i(px + 15, py + 72);
glEnd();
// Face
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 17, py + 67);
glVertex2i(px + 21, py + 67);
glVertex2i(px + 21, py + 69);
glVertex2i(px + 17, py + 69);
glEnd();
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 24, py + 67);
glVertex2i(px + 28, py + 67);
glVertex2i(px + 28, py + 69);
glVertex2i(px + 24, py + 69);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.0, 0.0, 0.0);
glVertex2i(px + 20, py + 64);
glVertex2i(px + 25, py + 64);
glVertex2i(px + 25, py + 65);
glVertex2i(px + 20, py + 65);
glEnd();
// Hand
glBegin(GL_POLYGON);
glColor3f(0.90, 0.91, 0.08);
glVertex2i(px + 10, py + 56);
glVertex2i(px + 5, py + 56);
glVertex2i(px + 5, py + 33);
glVertex2i(px + 8, py + 33);
glVertex2i(px + 8, py + 53);
glVertex2i(px + 10, py + 53);
glVertex2i(px + 10, py + 56);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.90, 0.91, 0.08);
glVertex2i(px + 34, py + 56);
glVertex2i(px + 39, py + 56);
glVertex2i(px + 39, py + 33);
glVertex2i(px + 36, py + 33);
glVertex2i(px + 36, py + 53);
glVertex2i(px + 34, py + 53);
glVertex2i(px + 34, py + 56);
glEnd();
// Body
glBegin(GL_POLYGON);
glColor3f(0.77, 0.15, 0.10);
glVertex2i(px + 10, py + 34);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 34, py + 58);
glVertex2i(px + 10, py + 58);
glEnd();
// Pant
glBegin(GL_POLYGON);
glColor3f(0.77, 0.15, 0.10);
glVertex2i(px + 10, py + 8);
glVertex2i(px + 17, py + 8);
glVertex2i(px + 17, py + 34);
glVertex2i(px + 10, py + 34);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.77, 0.15, 0.10);
glVertex2i(px + 26, py + 8);
glVertex2i(px + 34, py + 8);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 26, py + 34);
glEnd();
glBegin(GL_POLYGON);
glColor3f(0.77, 0.15, 0.10);
glVertex2i(px + 10, py + 34);
glVertex2i(px + 34, py + 34);
glVertex2i(px + 34, py + 20);
glVertex2i(px + 10, py + 20);
glEnd();
// Shoes
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 7, py + 3);
glVertex2i(px + 19, py + 3);
glVertex2i(px + 19, py + 8);
glVertex2i(px + 7, py + 8);
glEnd();
glBegin(GL_POLYGON);
glColor3f(1.0, 0.0, 0.0);
glVertex2i(px + 25, py + 3);
glVertex2i(px + 38, py + 3);
glVertex2i(px + 38, py + 8);
glVertex2i(px + 25, py + 8);
glEnd();
}
void drawMissionaryOnBoat()
{
int px = boatCharacterLeftX, py = boatCharacterY, w = characterWidth, h = characterHeight;
if (boatMissionaryVisibility[0])
{
drawMissionary(px, py);
}
px = boatCharacterRightX;
if (boatMissionaryVisibility[1])
{
drawMissionary(px, py);
}
}
void drawCannibalOnBoat()
{
int px = boatCharacterLeftX, py = boatCharacterY, w = characterWidth, h = characterHeight;
if (boatCannibalVisibility[0])
{
drawCannibal(px, py);
}
px = boatCharacterRightX;
if (boatCannibalVisibility[1])
{
drawCannibal(px, py);
}
}
void drawCharacters()
{
int px, py, w = characterWidth, h = characterHeight;
px = leftCharacterPosX;
py = leftCharacterPosY;
if (leftCannibalVisibility[0])
{
drawCannibal(px, py);
}
if (leftCannibalVisibility[1])
{
drawCannibal(px + w + 5, py);
}
if (leftCannibalVisibility[2])
{
drawCannibal(px + (2 * w) + (2 * 5), py);
}
if (leftMissionaryVisibility[0])
{
drawMissionary(px + (3 * w) + (3 * 5), py);
}
if (leftMissionaryVisibility[1])
{
drawMissionary(px + (4 * w) + (4 * 5), py);
}
if (leftMissionaryVisibility[2])
{
drawMissionary(px + (5 * w) + (5 * 5), py);
}
px = rightCharacterPosX;
py = rightCharacterPosY;
if (rightMissionaryVisibility[0])
{
drawMissionary(px, py);
}
if (rightMissionaryVisibility[1])
{
drawMissionary(px + w + 5, py);
}
if (rightMissionaryVisibility[2])
{
drawMissionary(px + (2 * w) + (2 * 5), py);
}
if (rightCannibalVisibility[0])
{
drawCannibal(px + (3 * w) + (3 * 5), py);
}
if (rightCannibalVisibility[1])
{
drawCannibal(px + (4 * w) + (4 * 5), py);
}
if (rightCannibalVisibility[2])
{
drawCannibal(px + (5 * w) + (5 * 5), py);
}
}
// Animation Functions
void animateClouds()
{
moveClouds += cloudDeltaX;
//cout << "Cloud Animation" << endl;
if (moveClouds == 850)
{
moveClouds = -900;
}
}
void animateBoat()
{
if (moveBoat == true)
{
//cout << "Boat animation" << endl;
boatPosX += boatDeltaX;
boatCharacterLeftX += boatDeltaX;
boatCharacterRightX += boatDeltaX;
if (boatPosX == 300.0)
{
boatCrossed = true;
moveBoat = false;
riverCrossedOnce = true;
checkGameStatus();
}
}
if (moveBoatReverse == true)
{
boatPosX -= boatDeltaX;
boatCharacterLeftX -= boatDeltaX;
boatCharacterRightX -= boatDeltaX;
if (boatPosX == 0.0)
{
boatCrossed = false;
moveBoatReverse = false;
checkGameStatus();
}
}
}
void myDisplay(void)
{
glClear(GL_COLOR_BUFFER_BIT);
// Drawings
drawBackground();
drawWater();
drawRiverBank();
drawSun(650, 600, 50);
drawHill(200, 400, 600, 300);
drawHill(0, 400, 400, 200);
drawHill(700, 400, 300, 150);
drawClouds();
drawCharacters();
drawMissionaryOnBoat();
drawCannibalOnBoat();
drawBoat();
glFlush();
// Animations
animateBoat();
animateClouds();
glutPostRedisplay();
}
void keyboardFunc(unsigned char key, int x, int y)
{
//-------- Boat Move --------
if (key == 'g' || key == 'G')
{
//cout << "Keyboard event: G" << endl;
if (boatPosX == 0.0 && (boatLeftCharacter != 0 || boatRightCharacter != 0))
{
moveBoat = true;
}
glutPostRedisplay();
}
else if (key == 'b' || key == 'B')
{
//cout << "Keyboard event: B" << endl;
if (boatPosX == 300.0 && (boatLeftCharacter != 0 || boatRightCharacter != 0))
{
moveBoatReverse = true;
}
glutPostRedisplay();
}
else if (key == 'r' || key == 'R')
{
//cout << "Keyboard event: R" << endl;
resetAll();
glutPostRedisplay();
}
}
void mouseFunc(int b, int s, int x, int y) {
if (s == GLUT_DOWN && b == GLUT_LEFT_BUTTON) {
int px, py, w = characterWidth, h = characterHeight;
if (!boatCrossed)
{
px = leftCharacterPosX;
py = leftCharacterPosY + 120;
if (x >= px && x <= (px + w) && y >= py && y <= (py + h) && leftCannibalVisibility[0])
{
cout << "Left: Cannibal 0" << endl;
if (boatLeftCharacter == 0)
{
leftCannibalVisibility[0] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
leftCannibalVisibility[0] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
//cout << px << ',' << px + w << ',' << py << ',' << py + h << endl;
//cout << x << '\t' << y << endl;
}
else if (x >= (px + w + 5) && x <= (px + w + 5 + w) && y >= py && y <= (py + h) && leftCannibalVisibility[1])
{
cout << "Left: Cannibal 1" << endl;
if (boatLeftCharacter == 0)
{
leftCannibalVisibility[1] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
leftCannibalVisibility[1] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
}
else if (x >= (px + (2 * w) + (2 * 5)) && x <= (px + (2 * w) + (2 * 5) + w) && y >= py && y <= (py + h) && leftCannibalVisibility[2])
{
cout << "Left: Cannibal 2" << endl;
if (boatLeftCharacter == 0)
{
leftCannibalVisibility[2] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
leftCannibalVisibility[2] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
}
else if (x >= (px + (3 * w) + (3 * 5)) && x <= (px + (3 * w) + (3 * 5) + w) && y >= py && y <= (py + h) && leftMissionaryVisibility[0])
{
cout << "Left: Missionary 0" << endl;
if (boatLeftCharacter == 0)
{
leftMissionaryVisibility[0] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
//leftMissionaries--;
}
else if (boatRightCharacter == 0)
{
leftMissionaryVisibility[0] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
else if (x >= (px + (4 * w) + (4 * 5)) && x <= (px + (4 * w) + (4 * 5) + w) && y >= py && y <= (py + h) && leftMissionaryVisibility[1])
{
cout << "Left: Missionary 1" << endl;
if (boatLeftCharacter == 0)
{
leftMissionaryVisibility[1] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
}
else if (boatRightCharacter == 0)
{
leftMissionaryVisibility[1] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
else if (x >= (px + (5 * w) + (5 * 5)) && x <= (px + (5 * w) + (5 * 5) + w) && y >= py && y <= (py + h) && leftMissionaryVisibility[2])
{
cout << "Left: Missionary 2" << endl;
if (boatLeftCharacter == 0)
{
leftMissionaryVisibility[2] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
}
else if (boatRightCharacter == 0)
{
leftMissionaryVisibility[2] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
if (boatLeftCharacter != 0 || boatRightCharacter != 0)
{
w = characterWidth, h = characterHeight;
if (x >= boatCharacterLeftX && x <= (boatCharacterLeftX + w) && y >= (boatCharacterY + 260) && y <= ((boatCharacterY + 260) + h))
{
/*cout << boatCharacterLeftX << ',' << boatCharacterLeftX + w << ',' << (boatCharacterY + 260) << ',' << (boatCharacterY + 260) + h << endl;
cout << x << '\t' << y << endl;*/
cout << "Left: Left Character On boat" << endl;
if (boatLeftCharacter == 1)
{
leftCannibalVisibility[getCannibalBlankPosition()] = true;
boatCannibalVisibility[0] = false;
boatLeftCharacter = 0;
}
else if (boatLeftCharacter == 2)
{
leftMissionaryVisibility[getMissinaryBlankPosition()] = true;
boatMissionaryVisibility[0] = false;
boatLeftCharacter = 0;
}
}
else if (x >= boatCharacterRightX && x <= (boatCharacterRightX + w) && y >= (boatCharacterY + 260) && y <= ((boatCharacterY + 260) + h))
{
cout << "Left: Right Character On boat" << endl;
if (boatRightCharacter == 1)
{
leftCannibalVisibility[getCannibalBlankPosition()] = true;
boatCannibalVisibility[1] = false;
boatRightCharacter = 0;
}
else if (boatRightCharacter == 2)
{
leftMissionaryVisibility[getMissinaryBlankPosition()] = true;
boatMissionaryVisibility[1] = false;
boatRightCharacter = 0;
}
}
}
}
else if (boatCrossed)
{
px = rightCharacterPosX;
py = rightCharacterPosY + 120;
if (x >= px && x <= (px + w) && y >= py && y <= (py + h) && rightMissionaryVisibility[0])
{
//cout << px << ',' << px + w << ',' << py << ',' << py + h << endl;
//cout << x << '\t' << y << endl;
cout << "Right: Missionary 0" << endl;
if (boatLeftCharacter == 0)
{
rightMissionaryVisibility[0] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
}
else if (boatRightCharacter == 0)
{
rightMissionaryVisibility[0] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
else if (x >= (px + w + 5) && x <= (px + w + 5 + w) && y >= py && y <= (py + h) && rightMissionaryVisibility[1])
{
cout << "Right: Missionary 1" << endl;
if (boatLeftCharacter == 0)
{
rightMissionaryVisibility[1] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
}
else if (boatRightCharacter == 0)
{
rightMissionaryVisibility[1] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
else if (x >= (px + (2 * w) + (2 * 5)) && x <= (px + (2 * w) + (2 * 5) + w) && y >= py && y <= (py + h) && rightMissionaryVisibility[2])
{
cout << "Right: Missionary 2" << endl;
if (boatLeftCharacter == 0)
{
rightMissionaryVisibility[2] = false;
boatMissionaryVisibility[0] = true;
boatLeftCharacter = 2;
}
else if (boatRightCharacter == 0)
{
rightMissionaryVisibility[2] = false;
boatMissionaryVisibility[1] = true;
boatRightCharacter = 2;
}
}
else if (x >= (px + (3 * w) + (3 * 5)) && x <= (px + (3 * w) + (3 * 5) + w) && y >= py && y <= (py + h) && rightCannibalVisibility[0])
{
cout << "Right: Cannibal 0" << endl;
if (boatLeftCharacter == 0)
{
rightCannibalVisibility[0] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
rightCannibalVisibility[0] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
}
else if (x >= (px + (4 * w) + (4 * 5)) && x <= (px + (4 * w) + (4 * 5) + w) && y >= py && y <= (py + h) && rightCannibalVisibility[1])
{
cout << "Right: Cannibal 1" << endl;
if (boatLeftCharacter == 0)
{
rightCannibalVisibility[1] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
rightCannibalVisibility[1] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
}
else if (x >= (px + (5 * w) + (5 * 5)) && x <= (px + (5 * w) + (5 * 5) + w) && y >= py && y <= (py + h) && rightCannibalVisibility[2])
{
cout << "Right: Cannibal 2" << endl;
if (boatLeftCharacter == 0)
{
rightCannibalVisibility[2] = false;
boatCannibalVisibility[0] = true;
boatLeftCharacter = 1;
}
else if (boatRightCharacter == 0)
{
rightCannibalVisibility[2] = false;
boatCannibalVisibility[1] = true;
boatRightCharacter = 1;
}
}
if (boatLeftCharacter != 0 || boatRightCharacter != 0)
{
w = characterWidth, h = characterHeight;
if (x >= boatCharacterLeftX && x <= (boatCharacterLeftX + w) && y >= (boatCharacterY + 260) && y <= ((boatCharacterY + 260) + h))
{
/*cout << boatCharacterLeftX << ',' << boatCharacterLeftX + w << ',' << (boatCharacterY + 260) << ',' << (boatCharacterY + 260) + h << endl;
cout << x << '\t' << y << endl;*/
cout << "Right: Left Character On boat" << endl;
if (boatLeftCharacter == 1)
{
rightCannibalVisibility[getCannibalBlankPosition()] = true;
boatCannibalVisibility[0] = false;
boatLeftCharacter = 0;
}
else if (boatLeftCharacter == 2)
{
rightMissionaryVisibility[getMissinaryBlankPosition()] = true;
boatMissionaryVisibility[0] = false;
boatLeftCharacter = 0;
}
}
else if (x >= boatCharacterRightX && x <= (boatCharacterRightX + w) && y >= (boatCharacterY + 260) && y <= ((boatCharacterY + 260) + h))
{
cout << "Right: Right Character On boat" << endl;
if (boatRightCharacter == 1)
{
rightCannibalVisibility[getCannibalBlankPosition()] = true;
boatCannibalVisibility[1] = false;
boatRightCharacter = 0;
}
else if (boatRightCharacter == 2)
{
rightMissionaryVisibility[getMissinaryBlankPosition()] = true;
boatMissionaryVisibility[1] = false;
boatRightCharacter = 0;
}
}
}
}
}
}
void myInit(void)
{
glClearColor(1.0, 1.0, 1.0, 0.0);
glColor3f(0.0f, 0.0f, 0.0f);
glPointSize(4.0);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0, 1000.0, 0.0, 700.0);
}
void main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(1000, 700);
glutInitWindowPosition((glutGet(GLUT_SCREEN_WIDTH) - 1000) / 2, (glutGet(GLUT_SCREEN_HEIGHT) - 700) / 2);
glutCreateWindow("Missionaries and Cannibals");
glutDisplayFunc(myDisplay);
glutKeyboardFunc(keyboardFunc);
glutMouseFunc(mouseFunc);
resetAll();
myInit();
glutMainLoop();
}
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