WallyHackenslacker/IAS-SS
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Pheromone dispersal first pass.

Browse Source
This commit is contained in:
Wally Hackenslacker
2016-06-26 23:47:19 -04:00
parent 5d4529f6d8
commit fef86e140a
8 changed files with 74 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
pheromone.cpp
View File

@@ -4,6 +4,12 @@
#include "pheromone.hpp"
#define MAP_POS(X, Y) (data[((X) * m_height) + (Y)])
static const float EVAPORATION_RATE = 0.1f;
const unsigned char MAX_PHERO_INTENSITY = 250;
const unsigned char MIN_PHERO_INTENSITY = 1;
PheromoneMap::PheromoneMap(const char * file_name) {
load_map(file_name);
sem_init(&map_semaphore, 0, 1);
@@ -12,7 +18,7 @@ PheromoneMap::PheromoneMap(const char * file_name) {
}
PheromoneMap::~PheromoneMap() {
free(data);
delete data;
sem_destroy(&map_semaphore);
if(tex_created) {
@@ -27,7 +33,7 @@ void PheromoneMap::load_map(const char * file_name) {
png_init(0, 0);
png_open_file_read(&tex, file_name);
data = static_cast<unsigned char *>(malloc(tex.width * tex.height * tex.bpp));
data = new unsigned char[tex.width * tex.height * tex.bpp];
png_get_data(&tex, data);
std::cout << "Loaded map \"" << file_name << "\" :: " << tex.width << "x" << tex.height << "x" << (int)tex.bpp << std::endl;
@@ -50,8 +56,8 @@ GLuint PheromoneMap::s_build_texture() {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, handle);
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, m_width, m_height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
tex_created = true;
} sem_post(&map_semaphore);
@@ -59,53 +65,36 @@ GLuint PheromoneMap::s_build_texture() {
return handle;
}
void PheromoneMap::s_draw_point(float x, float y) {
int _x = m_width * x;
int _y = m_height - (m_height * y);
bool PheromoneMap::s_deposit_pheromone(float x, float y) {
bool valid = false;
int _x = m_width * x;
int _y = m_height - (m_height * y);
sem_wait(&map_semaphore); {
data[(_y * m_height) + _x] = 249;
if(MAP_POS(_y, _x) <= MAX_PHERO_INTENSITY) {
MAP_POS(_y, _x) = MAX_PHERO_INTENSITY;
valid = true;
}
} sem_post(&map_semaphore);
return valid;
}
void PheromoneMap::s_update() {
void PheromoneMap::s_evaporate() {
unsigned char p_eva;
clock_t now = clock();
if(static_cast<float>(now - then) / CLOCKS_PER_SEC < 0.005) {
if(static_cast<float>(now - then) / CLOCKS_PER_SEC < 0.05) {
return;
}
then = now;
sem_wait(&map_semaphore); {
for(int i = 1; i < m_height - 1; i++) {
for(int j = 1; j < m_width - 1; j++) {
if(data[(i * m_height) + j] > 10 && data[(i * m_height) + j] < 250){
data[(i * m_height) + j] -= 1;
if(data[((i - 1) * m_height) + (j - 1)] < 250)
data[((i - 1) * m_height) + (j - 1)] = data[(i * m_height) + j];
if(data[((i - 1) * m_height) + j] < 250)
data[((i - 1) * m_height) + j] = data[(i * m_height) + j];
if(data[((i - 1) * m_height) + (j + 1)] < 250)
data[((i - 1) * m_height) + (j + 1)] = data[(i * m_height) + j];
if(data[(i * m_height) + (j - 1)] < 250)
data[(i * m_height) + (j - 1)] = data[(i * m_height) + j];
if(data[(i * m_height) + (j + 1)] < 250)
data[(i * m_height) + (j + 1)] = data[(i * m_height) + j];
if(data[((i + 1) * m_height) + (j - 1)] < 250)
data[((i + 1) * m_height) + (j - 1)] = data[(i * m_height) + j];
if(data[((i + 1) * m_height) + j] < 250)
data[((i + 1) * m_height) + j] = data[(i * m_height) + j];
if(data[((i + 1) * m_height) + (j + 1)] < 250)
data[((i + 1) * m_height) + (j + 1)] = data[(i * m_height) + j];
for(unsigned i = 1; i < m_height - 1; i++) {
for(unsigned j = 1; j < m_width - 1; j++) {
if(MAP_POS(i, j) >= MIN_PHERO_INTENSITY && MAP_POS(i, j) <= MAX_PHERO_INTENSITY){
p_eva = MAP_POS(i, j) * EVAPORATION_RATE;
MAP_POS(i, j) -= p_eva;
}
}
}