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renderstate.cpp
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#include <GL/glut.h>
#include "renderstate.h"
#include "piece.h"
#include "gamestate.h"
#include "math.h"
extern gamestate_t g_gstate;
void renderstate_t::draw_board()
{
float v1x=-1.0, v1y=-1.0, v2x=1.0, v2y=-1.0, v3x=0.0, v3y=0.732;
// draw the base
glBegin(GL_TRIANGLES);
glColor4f(0.25, 0.59, 0.945, 1.0);
glVertex3f(v1x, v1y, 0.0);
glVertex3f(v2x, v2y, 0.0);
glVertex3f(v3x, v3y, 0.0);
glColor4f(0.945, 0.61, 0.25, 1.0);
glVertex3f(v1x+0.05, v1y+0.05, 0.0);
glVertex3f(v2x-0.05, v2y+0.05, 0.0);
glVertex3f(v3x, v3y-0.05, 0.0);
glEnd();
// draw the pockets
glPushMatrix();
glTranslatef((v1x+0.125),(v1y+0.095),0.0);
glColor4f(0.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.045, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef((v2x-0.125),(v2y+0.095),0.0);
glColor4f(0.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.045, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(v3x,(v3y-0.125),0.0);
glColor4f(0.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.045, 40, 16);
glPopMatrix();
// Draw lines
glPushMatrix();
glBegin(GL_LINES);
glRotatef(0.0, 0.0, 0.0, 0.0);
glVertex2f (-0.65, -0.83);
glVertex2f (0.65, -0.83);
glVertex2f (-0.65, -0.78);
glVertex2f (0.65, -0.78);
glEnd();
glPopMatrix();
glPushMatrix();
glBegin (GL_LINES);
glRotatef(120.0, 0.0, 0.0, 0.0);
glVertex2f (0.68, -0.72);
glVertex2f (0.065, 0.382);
glVertex2f (0.63, -0.72);
glVertex2f (0.02, 0.382);
glEnd ();
glPopMatrix();
glPushMatrix();
glBegin (GL_LINES);
glRotatef(60.0, 0.0, 0.0, 0.0);
glVertex2f (-0.68, -0.72);
glVertex2f (-0.065, 0.382);
glVertex2f (-0.63, -0.72);
glVertex2f (-0.02, 0.382);
glEnd ();
glPopMatrix();
// Draw end markers
glPushMatrix();
glTranslatef(-0.65,-0.805,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.65,-0.805,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.65,-0.72,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.043,0.382,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(-0.043,0.382,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(-0.65,-0.72,0.0);
glColor4f(1.0, 0.0, 0.0, 1.0);
glutSolidSphere(0.03, 40, 16);
glPopMatrix();
//TODO Add the details of the board
//Arrow or illegal region of the board
glPushMatrix();
glBegin(GL_LINES);
glRotatef(30.0, 0.0, 0.0, 0.0);
glVertex2f (-0.724, -0.805);
glVertex2f (-0.291, -0.555);
glEnd();
glPopMatrix();
glPushMatrix();
glBegin(GL_LINES);
glRotatef(150.0, 0.0, 0.0, 0.0);
glVertex2f (0.724, -0.805);
glVertex2f (0.291, -0.555);
glEnd();
glPopMatrix();
glPushMatrix();
glBegin(GL_LINES);
glRotatef(0.0, 0.0, 0.0, 0.0);
glVertex2f (0.0, 0.456);
glVertex2f (0.0, -0.044);
glEnd();
glPopMatrix();
glBegin(GL_LINE_LOOP);
for(int i = 0; i < 20; i++)
{
float theta = 2.0f * 3.1415926f * i / 20; //get the current angle
float x = 0.1 * cos(theta); //calculate the x component
float y = 0.1 * sin(theta); //calculate the y component
glVertex2f(x-0.372, y-0.605); //output vertex
}
glEnd();
glBegin(GL_LINE_LOOP);
for(int i = 0; i < 20; i++)
{
float theta = 2.0f * 3.1415926f * i / 20; //get the current angle
float x = 0.1 * cos(theta); //calculate the x component
float y = 0.1 * sin(theta); //calculate the y component
glVertex2f(x+0.372, y-0.605); //output vertex
}
glEnd();
glBegin(GL_LINE_LOOP);
for(int i = 0; i < 20; i++)
{
float theta = 2.0f * 3.1415926f * i / 20; //get the current angle
float x = 0.1 * cos(theta); //calculate the x component
float y = 0.1 * sin(theta); //calculate the y component
glVertex2f(x, y+0.056); //output vertex
}
glEnd();
//Center of the board
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(1.0,1.0,0.0,1.0);
glutSolidSphere(0.175, 6, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(1.0,0.0,1.0,1.0);
glutSolidSphere(0.125, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(1.0,0.0,0.0,1.0);
glutSolidSphere(0.1, 6, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(0.7,0.0,0.0,1.0);
glutSolidSphere(0.075, 40, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(0.5,0.0,0.0,1.0);
glutSolidSphere(0.05, 6, 16);
glPopMatrix();
glPushMatrix();
glTranslatef(0.0,-0.42267,0.0);
glColor4f(0.3,0.0,0.0,1.0);
glutSolidSphere(0.025, 40, 16);
glPopMatrix();
}
void renderstate_t::render()
{
glLoadIdentity();
draw_board();
// draw other state_specific elements
glLoadIdentity();
draw_coin(p1);
for(int i=0; i<19 ;i++)
{
glLoadIdentity();
draw_coin(p[i]);
}
glFlush();
}
void renderstate_t::draw_coin(carrompiece_t& piece)
{
if(piece.is_visible) {
switch(piece.type) {
case STRIKER:
glColor4f(0.34, 0.91, 0.51, 1.0);
glTranslatef(piece.pos.x,piece.pos.y,0.0);
glutSolidSphere(0.038, 20, 16);
break;
case WHITE:
glColor4f(1.0, 1.0, 1.0, 1.0);
glTranslatef(piece.pos.x,piece.pos.y,0.0);
glutSolidSphere(0.03, 20, 16);
break;
case BLACK:
glColor4f(0.37, 0.37, 0.37, 1.0);
glTranslatef(piece.pos.x,piece.pos.y,0.0);
glutSolidSphere(0.03, 20, 16);
break;
case RED:
glColor4f(1.0, 0.0, 0.0, 1.0);
glTranslatef(piece.pos.x,piece.pos.y,0.0);
glutSolidSphere(0.03, 20, 16);
break;
}
}
}
void renderstate_t::copy_state()
{
p1.pos.x = g_gstate.striker.pos.x;
p1.pos.y = g_gstate.striker.pos.y;
p1.type = g_gstate.striker.type;
p1.is_visible = g_gstate.striker.is_visible;
for(int i=0; i<19; i++)
{
p[i].pos.x = g_gstate.coin[i].pos.x;
p[i].pos.y = g_gstate.coin[i].pos.y;
p[i].type = g_gstate.coin[i].type;
p[i].is_visible = g_gstate.coin[i].is_visible;
}
}