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#include <ClanLib/display.h>
#include <ClanLib/core.h>
#include <algorithm>
#include "scene.h"
#include "mask_object_extractor.h"
Scene::Scene(const std::string &background_file, const std::string &mask_file, const std::string &walk_file)
{
// Load all images using the factory, this way we support any fileformat
CL_PixelBuffer background_buffer_org = CL_ProviderFactory::load(background_file);
CL_PixelBuffer mask_buffer_org = CL_ProviderFactory::load(mask_file);
CL_PixelBuffer walk_buffer_org = CL_ProviderFactory::load(walk_file);
// Convert the walk buffer to a known format so we know where the various colours are located
CL_PixelBuffer background_buffer = background_buffer_org.to_format(CL_PixelFormat::rgba8888);
// Convert the walk buffer to a known format so we know where the various colours are located
CL_PixelBuffer mask_buffer = mask_buffer_org.to_format(CL_PixelFormat::rgba8888);
// Convert the walk buffer to a known format so we know where the various colours are located
walk_buffer = walk_buffer_org.to_format(CL_PixelFormat::rgba8888);
// We lock it, so we can access the pixeldata later
walk_buffer.lock();
// Extract all objects from the background using the mask buffer
MaskObjectExtractor extractor(background_buffer, mask_buffer);
objects = extractor.objects;
// Create a surface to display as the background
background = CL_Surface(background_buffer);
// These are only for debugging (showing how the mask and walkarea look like)
mask = CL_Surface(mask_buffer);
walk = CL_Surface(walk_buffer);
}
Scene::~Scene()
{
walk_buffer.unlock();
for(unsigned int i=0; i<objects.size(); ++i)
delete objects[i];
}
void Scene::add_object(Object *object)
{
objects.push_back(object);
update_objects();
}
void Scene::update_objects()
{
// Make sure the objects are z-sorted
std::sort(objects.begin(), objects.end(), object_compare());
}
void Scene::draw()
{
// Draw background (but skip if 1 is pressed)
if(!CL_Keyboard::get_keycode(CL_KEY_1))
background.draw();
else
CL_Display::clear();
// Draw walk if 3 is pressed
if(CL_Keyboard::get_keycode(CL_KEY_3))
walk.draw();
// Draw all extracted mask objects (but skip if 4 is pressed)
if(!CL_Keyboard::get_keycode(CL_KEY_4))
for(unsigned int i=0; i<objects.size(); ++i)
objects[i]->draw();
// Draw mask if 2 is pressed
if(CL_Keyboard::get_keycode(CL_KEY_2))
mask.draw();
}
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