src/Cell.cpp

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/*
This file is part of Teapot Colony Wars.

Teapot Colony Wars is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

Teapot Colony Wars is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Teapot Colony Wars.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "Cell.h"

#include "Constants.h"
#include "Image.h"

// Par défaut, la texture n'a pas encore été chargée.
GLuint Cell::_tex_name = 0;

GLuint Cell::getTexName() {
  if(_tex_name == 0) {
    // si besoin est, on charge l'image et on la convertit en texture.
    Image texture("./textures/Cell.bmp");
    _tex_name = texture.genTexture2D();
  }

  return _tex_name;
}

void Cell::getColors(GLubyte &red, GLubyte &green, GLubyte &blue) {
  red   = COLOR_MAX;
  green = COLOR_MAX;
  blue  = COLOR_MAX;
}

Cell::Cell() {

}

Cell::~Cell() {

}

void Cell::draw() {
  GLubyte red, green, blue;

  // désactivation de l'illumination pour éviter des problèmes de contre-jour
  glDisable(GL_LIGHTING);
  // activation de l'application de textures bi-dimensionnelles.
  glEnable(GL_TEXTURE_2D);

  // définition de la texture courante à appliquer.
  glBindTexture(GL_TEXTURE_2D, getTexName());

  // initialisation du mode de dessin.
  glMatrixMode(GL_MODELVIEW);
  getColors(red, green, blue);
  glColor3ub(red, green, blue);

  // création d'un polygone carré représenté par deux triangles sur lesquels
  // la texture sera appliquée.
  glBegin(GL_TRIANGLE_STRIP);
    glNormal3f(0.0, 1.0, 0.0);
    glTexCoord2f(0.0, 1.0); glVertex3f(-0.5 * CELL_SIZE, 0.0, -0.5 * CELL_SIZE);
    glTexCoord2f(0.0, 0.0); glVertex3f(-0.5 * CELL_SIZE, 0.0,  0.5 * CELL_SIZE);
    glTexCoord2f(1.0, 1.0); glVertex3f( 0.5 * CELL_SIZE, 0.0, -0.5 * CELL_SIZE);
    glTexCoord2f(1.0, 0.0); glVertex3f( 0.5 * CELL_SIZE, 0.0,  0.5 * CELL_SIZE);
  glEnd();

  // réactivation des lumières.
  glDisable(GL_TEXTURE_2D);
  // désactivation du rendu de textures.
  glEnable(GL_LIGHTING);
}

unsigned int Cell::getFood() {
  return 0;
}

unsigned int Cell::addFood(unsigned int inc) {
  return 0;
}

unsigned int Cell::subFood(unsigned int inc) {
  return 0;
}

bool Cell::reachable(Worshiper *w) {
  return false;
}

std::list<Worshiper*>* Cell::getPeople() {
  return NULL;
}

std::map<Pheromone*, unsigned int>* Cell::getPheromones() {
  return NULL;
}

bool Cell::addWorshiper(Worshiper *w) {
  return false;
}

bool Cell::removeWorshiper(const Worshiper *w) {
  return false;
}

void Cell::addPheromone(Pheromone *p) {

}

Cell* Cell::makeActions() {
  return this;
}

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