void init()
{
allegro_init();
set_color_depth(32);
if(set_gfx_mode(GFX_AUTODETECT_WINDOWED, 320, 240, 0, 0))
{
allegro_message("%s.", allegro_error);
exit(1);
}
init_engine(SCREEN_W, SCREEN_H);
point_at_color_buffer(&buffer);
setup_projection(90.0, -1.333, 1.333, -1.0, 1.0, 0.0, 200.0);
set_znear(1.0);
set_clipping_rect(10, 10, buffer->w - 11, buffer->h - 11);
init_clipper();
set_rasterizer_function(flat_zbuff_sides);
set_world_clip_func(2, wclip_to_rend_int, 0, 0, 0, 0);
set_scr_clip_func(4, rend_int_to_tri, 0, 0, 0, 0);
install_keyboard();
install_mouse();
srand(time(NULL));
}
// Render the actual scene
void terrain::render()
{
// Enable depth testing
glEnable(GL_DEPTH_TEST);
// Enable automatic normalization of normals
glEnable(GL_NORMALIZE);
// Clear the screen
glClearColor(1,1,1,0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Nothing to do if we are not properly initialized
if (!initialized)
return;
// Setup perspective and modelview matrix
setup_projection();
// Setup light
setup_light();
// Render the solid terrain with lighting and texture mapping
if (show_solid)
render_solid_terrain();
// Render the outline of the terrain
if (show_wireframe)
render_wireframe_terrain();
// Eventually render level lines
if (show_levels)
render_level_lines();
}
void init()
{
allegro_init();
set_color_depth(32);
if(set_gfx_mode(GFX_AUTODETECT_WINDOWED, GFX_W, GFX_H, 0, 0))
{
allegro_message("Error: %s.", allegro_error);
exit(1);
}
install_keyboard();
install_mouse();
buffer = create_bitmap(SCREEN_W, SCREEN_H);
zbuffer = create_bitmap_ex(32, SCREEN_W, SCREEN_H);
texture = load_bitmap("data/wall.bmp", NULL);
skin = load_bitmap("data/babe_skin.bmp", NULL);
texture2 = load_bitmap("data/color.bmp", NULL);
setup_projection(90.0, -1.333, 1.333, -1.0, 1.0, -1.0, 200.0);
init_renderer(GFX_H);
bind_color_buffer(buffer);
bind_zbuffer(zbuffer);
bind_texture(texture);
}
void Slice::draw_plane (int axis, Displayable::Shader& shader_program, Projection& with_projection)
{
ASSERT_GL_MRVIEW_CONTEXT_IS_CURRENT;
setup_projection (axis, with_projection);
draw_plane_primitive (axis, shader_program, with_projection);
draw_crosshairs (with_projection);
draw_orientation_labels (with_projection);
ASSERT_GL_MRVIEW_CONTEXT_IS_CURRENT;
}
void example_3d_primitives::render()
{
glEnable(GL_DEPTH_TEST);
// Clear the screen
glClearColor(1,1,1,0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Setup a perspective projection and lighting
setup_projection();
setup_light();
glScaled(0.4, 0.4, 0.4);
// Move 5 units to the left, save the current transformation
// and show a rotated tetrahedron
glTranslated(-5, 0, 0);
glPushMatrix();
glRotated(angle, 0, 1, 0);
glColor3d(1, 1, 0);
render_tetrahedron();
glPopMatrix();
// Move 3 units to the right, save the current transformation
// and show a rotated cylinder
glTranslated(3, 0, 0);
glPushMatrix();
glRotated(angle, 1, 0, 0);
glColor3d(0, 1, 0);
render_cylinder();
glPopMatrix();
// Move 3 units to the right, save the current transformation
// and show a rotated cube
glTranslated(3, 0, 0);
glPushMatrix();
glRotated(angle, 0, 1, 1);
glColor3d(1, 0, 0);
render_cube();
glPopMatrix();
// Move 3 units to the right, save the current transformation
// and show a rotated sphere
glTranslated(3, 0, 0);
glPushMatrix();
glRotated(angle, 0, 1, 0);
glColor3d(0, 0, 1);
render_sphere();
glPopMatrix();
}
MapDrawingArea::MapDrawingArea(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>&):
Gtk::DrawingArea(cobject),
pressed(false),
zoom(1),
tran_x(0),
tran_y(0),
topleft(-1, -1),
bottomright(1, 1),
lat(0),
lon(0)
{
add_events(Gdk::SCROLL_MASK | Gdk::ENTER_NOTIFY_MASK | Gdk::LEAVE_NOTIFY_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::POINTER_MOTION_MASK);
setup_projection();
setup_surfaces();
setup_bounds();
}
// Setup the scene and render cube system
void cube_system::render()
{
// Enable depth testing
glEnable(GL_DEPTH_TEST);
// Disable lighting
glDisable(GL_LIGHTING);
// Clear the screen and depth buffer
glClearColor(1,1,1,0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Set the projection and view
setup_projection();
// Render the system
render_system();
}
void primary_timer_func() override
{
//
// UPDATE
//
for (unsigned i=0; i<entities.size(); i++)
{
entities[i]->place.position += entities[i]->velocity.position;
entities[i]->place.rotation += entities[i]->velocity.rotation;
}
//
// DRAW
//
// the functionality of this line might eventually be embedded in the framework
setup_projection();
// draw the entities in our scene
vec3d camera_position = camera.get_real_position();
vec3d light_position = light.position;
// draw the skybox (and clear the depth buffer)
skybox->place.position = camera_position;
skybox->draw(0, 0);
al_clear_depth_buffer(1);
for (unsigned i=0; i<entities.size(); i++)
{
entities[i]->draw(camera_position, light_position);
}
// draw the Construct (the environment box)
/*
glEnable(GL_CULL_FACE); // requiring opengl should eventually be fazed out
construct.draw();
glDisable(GL_CULL_FACE);
*/
}
void MapDrawingArea::after_change()
{
setup_projection();
setup_db();
redraw_from_db();
}
