lighting_example(
const example_params& params,
const example_state_view& state,
eagine::memory::buffer& temp_buffer
): erase_prog(params)
, light_prog(params)
, background(
temp_buffer,
(shapes::vertex_attrib_kind::position |0),
36, 72
), shape(
temp_buffer,
(shapes::vertex_attrib_kind::position |0)+
(shapes::vertex_attrib_kind::normal |1)+
(shapes::vertex_attrib_kind::wrap_coord|2),
96, 144
), shp_turns(0.0f)
, cam_orbit(0.0f)
, cam_turns(0.0f)
, cam_pitch(0.5f)
, cam_dist_dir(-1)
, cam_turn_dir(1)
, cam_elev_dir(1)
{
gl.clear_depth(1);
gl.disable(GL.cull_face);
set_projection(state);
}
int main(int argc, char* argv[]) {
win_set_width(WIN_WIDTH);
win_set_height(WIN_HEIGHT);
win_new();
glfwSetWindowTitle(APP_TITLE);
glClearColor(BG_COLOR[0], BG_COLOR[1], BG_COLOR[2], BG_COLOR[3]);
font_set_color(FONT_COLOR[0], FONT_COLOR[1], FONT_COLOR[2], FONT_COLOR[3]);
// main loop
while(1) {
glClear(GL_COLOR_BUFFER_BIT);
set_projection();
draw_font_set();
report_fps();
glfwSwapBuffers();
if(!glfwGetWindowParam(GLFW_OPENED))
break;
fps_inc_frames_drawn();
}
glfwTerminate();
return 0;
}
bc_orthographic_camera::bc_orthographic_camera(bcUINT16 p_back_buffer_width,
bcUINT16 p_back_buffer_height,
bcFLOAT p_near_clip,
bcFLOAT p_far_clip)
: bc_icamera(p_back_buffer_width, p_back_buffer_height, p_far_clip, p_near_clip)
{
set_projection(p_back_buffer_width, p_back_buffer_height, p_near_clip, p_far_clip);
}
void
ChartProjection::Set(const PixelRect &rc, const OrderedTask &task,
const GeoPoint &fallback_loc)
{
const GeoPoint center = task.GetTaskCenter(fallback_loc);
const fixed radius = max(fixed(10000), task.GetTaskRadius(fallback_loc));
set_projection(rc, center, radius);
}
void director::create_director()
{
glEnable(GL_TEXTURE_2D);
set_alpha_blending(true);
set_projection();
//glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
}
static void
champlain_map_source_desc_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ChamplainMapSourceDesc *desc = CHAMPLAIN_MAP_SOURCE_DESC (object);
switch (prop_id)
{
case PROP_ID:
set_id (desc, g_value_get_string (value));
case PROP_NAME:
set_name (desc, g_value_get_string (value));
break;
case PROP_LICENSE:
set_license (desc, g_value_get_string (value));
break;
case PROP_LICENSE_URI:
set_license_uri (desc, g_value_get_string (value));
break;
case PROP_URI_FORMAT:
set_uri_format (desc, g_value_get_string (value));
break;
case PROP_MIN_ZOOM_LEVEL:
set_min_zoom_level (desc, g_value_get_uint (value));
break;
case PROP_MAX_ZOOM_LEVEL:
set_max_zoom_level (desc, g_value_get_uint (value));
break;
case PROP_TILE_SIZE:
set_tile_size (desc, g_value_get_uint (value));
break;
case PROP_PROJECTION:
set_projection (desc, g_value_get_enum (value));
break;
case PROP_CONSTRUCTOR:
set_constructor (desc, g_value_get_pointer (value));
break;
case PROP_DATA:
set_data (desc, g_value_get_pointer (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
bc_perspective_camera::bc_perspective_camera(bcUINT16 p_back_buffer_width,
bcUINT16 p_back_buffer_height,
bcFLOAT p_height_fov,
bcFLOAT p_near_clip,
bcFLOAT p_far_clip)
: bc_icamera(p_back_buffer_width, p_back_buffer_height, p_near_clip, p_far_clip)
{
set_projection(p_back_buffer_width, p_back_buffer_height, p_height_fov, p_near_clip, p_far_clip);
}
static void gl_render_msg(gl_t *gl, const char *msg)
{
if (!gl->font)
return;
GLfloat font_vertex[8];
GLfloat font_vertex_dark[8];
GLfloat font_tex_coords[8];
// Deactivate custom shaders. Enable the font texture.
gl_shader_use(0);
set_viewport(gl, gl->win_width, gl->win_height, false, false);
glBindTexture(GL_TEXTURE_2D, gl->font_tex);
glTexCoordPointer(2, GL_FLOAT, 0, font_tex_coords);
// Need blending.
// Using fixed function pipeline here since we cannot guarantee presence of shaders (would be kinda overkill anyways).
glEnable(GL_BLEND);
struct font_output_list out;
// If we get the same message, there's obviously no need to render fonts again ...
if (strcmp(gl->font_last_msg, msg) != 0)
{
font_renderer_msg(gl->font, msg, &out);
struct font_output *head = out.head;
struct font_rect geom;
calculate_msg_geometry(head, &geom);
adjust_power_of_two(gl, &geom);
blit_fonts(gl, head, &geom);
font_renderer_free_output(&out);
strlcpy(gl->font_last_msg, msg, sizeof(gl->font_last_msg));
gl->font_last_width = geom.width;
gl->font_last_height = geom.height;
}
calculate_font_coords(gl, font_vertex, font_vertex_dark, font_tex_coords);
glVertexPointer(2, GL_FLOAT, 0, font_vertex_dark);
glColorPointer(4, GL_FLOAT, 0, gl->font_color_dark);
glDrawArrays(GL_QUADS, 0, 4);
glVertexPointer(2, GL_FLOAT, 0, font_vertex);
glColorPointer(4, GL_FLOAT, 0, gl->font_color);
glDrawArrays(GL_QUADS, 0, 4);
// Go back to old rendering path.
glTexCoordPointer(2, GL_FLOAT, 0, gl->tex_coords);
glVertexPointer(2, GL_FLOAT, 0, vertexes_flipped);
glColorPointer(4, GL_FLOAT, 0, white_color);
glBindTexture(GL_TEXTURE_2D, gl->texture[gl->tex_index]);
glDisable(GL_BLEND);
set_projection(gl, true);
}
void pointer_motion(const example_state_view& state)
override
{
if(state.pointer_dragging())
{
mod_cam_turns(-state.norm_delta_pointer_x()*0.5f);
mod_cam_pitch(-state.norm_delta_pointer_y()*1.0f);
set_projection(state);
}
}
void
ChartProjection::Set(const PixelRect &rc,
const TaskProjection &task_projection,
fixed radius_factor)
{
const GeoPoint center = task_projection.get_center();
const fixed radius = max(fixed(10000),
task_projection.ApproxRadius() * radius_factor);
set_projection(rc, center, radius);
}
void special( int key, int x, int y )
{
switch( key )
{
// camera controls
case GLUT_KEY_LEFT: cam_azim -= 5.0; break;
case GLUT_KEY_RIGHT: cam_azim += 5.0; break;
case GLUT_KEY_UP: cam_elev += 5.0; break;
case GLUT_KEY_DOWN: cam_elev -= 5.0; break;
case GLUT_KEY_PAGE_UP: cam_zoom(-5.0); break;
case GLUT_KEY_PAGE_DOWN: cam_zoom( 5.0); break;
case GLUT_KEY_F1:
ortho = false;
gridon = false;
cam_elev = 6; // 6' tall
cam_azim = 0;
cam_dist = 550;
cam_panx = 0;
cam_pany = 15;
set_projection();
start();
break;
case GLUT_KEY_F2:
ortho = true;
cam_elev = 25; // 6' tall
cam_azim = 40;
cam_dist = 950;
cam_panx = 0;
cam_pany = -44;
set_projection();
break;
default:
print_help();
break;
}
// refresh after a command
glutPostRedisplay();
}
void user_idle(const example_state_view& state)
override
{
if(state.user_idle_time() > seconds_(1))
{
const float s = state.frame_duration().value()/5;
mod_cam_orbit(s*cam_dist_dir);
mod_cam_turns(s*cam_turn_dir);
mod_cam_pitch(s*cam_elev_dir);
set_projection(state);
}
}
Window::Window(const int id, const YAML::Node c) : BaseElement(c), window_id(id) {
set_projection(
c["near"].as<float>(1.0),
c["far"].as<float>(80.0),
c["right"].as<float>(0.5),
c["left"].as<float>(-0.5),
c["top"].as<float>(0.5),
c["bottom"].as<float>(-0.5)
);
glClearColor(0.2,0.2,0.5,0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
}
void draw_scene()
{
// setup the render settings
al_set_render_state(ALLEGRO_DEPTH_TEST, 1);
al_set_render_state(ALLEGRO_WRITE_MASK, ALLEGRO_MASK_DEPTH | ALLEGRO_MASK_RGBA);
al_clear_depth_buffer(1);
ALLEGRO_TRANSFORM t;
Entity3D *camera = static_cast<Entity3D *>(scene_root.find_first("name", "camera"));
if (camera) camera->place.build_reverse_transform(&t);
else al_identity_transform(&t);
set_projection(backbuffer_sub_bitmap, &t);
// draw our scene
scene_root._draw();
}
int main(int argc, char * argv[])
{
glutInit(&argc, argv);
glutCreateWindow("BlockBuster");
glutReshapeWindow(glutGet(GLUT_SCREEN_WIDTH)/1.5, glutGet(GLUT_SCREEN_HEIGHT)/1.5);
//init game state
initGame();
printf("running");
glutDisplayFunc(display);
glutIdleFunc(idle);
glutPassiveMotionFunc(passive_motion);
glutKeyboardFunc(keyboard);
set_projection();
glutMainLoop();
}
static void set_viewport(gl_t *gl, unsigned width, unsigned height, bool force_full, bool allow_rotate)
{
if (gl->keep_aspect && !force_full)
{
float desired_aspect = g_settings.video.aspect_ratio;
float device_aspect = (float)width / height;
// If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff),
// assume they are actually equal.
if (fabs(device_aspect - desired_aspect) < 0.0001)
glViewport(0, 0, width, height);
else if (device_aspect > desired_aspect)
{
float delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
glViewport(width * (0.5 - delta), 0, 2.0 * width * delta, height);
width = 2.0 * width * delta;
}
else
{
float delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
glViewport(0, height * (0.5 - delta), width, 2.0 * height * delta);
height = 2.0 * height * delta;
}
}
else
glViewport(0, 0, width, height);
set_projection(gl, allow_rotate);
gl->vp_width = width;
gl->vp_height = height;
// Set last backbuffer viewport.
if (!force_full)
{
gl->vp_out_width = width;
gl->vp_out_height = height;
}
//RARCH_LOG("Setting viewport @ %ux%u\n", width, height);
}
int main(int argc, char* argv[]) {
//glut initialization
glutInit(&argc, argv);
glutInitWindowSize(init_win_width, init_win_height);
win_id = glutCreateWindow(win_title);
if(win_id <= 0) {
fprintf(stderr, "Error: glutCreateWindow() returned %d\n", win_id);
exit(1);
}
//scene initialization
init();
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);
glutIdleFunc(idle);
glutMouseFunc(mouse);
glutMotionFunc(motion);
set_projection();
set_lighting();
init_textures();
glEnable(GL_TEXTURE_2D);
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_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
numOfVerts = NULL;
glBindTexture(GL_TEXTURE_2D, 0);
glutMainLoop();
return 0;
}
cube_example(
const example_state_view& state,
eagine::memory::buffer& temp_buffer
): prog()
, cube(
temp_buffer,
shapes::vertex_attrib_kind::position+
shapes::vertex_attrib_kind::normal+
shapes::vertex_attrib_kind::box_coord+
shapes::vertex_attrib_kind::face_coord
), cam_orbit(0.5)
, cam_turns(0.12f)
, cam_pitch(0.72f)
, cam_dist_dir(-1)
, cam_turn_dir(1)
, cam_elev_dir(1)
{
gl.clear_color(0.6f, 0.6f, 0.5f, 0);
gl.clear_depth(1);
gl.enable(GL.depth_test);
set_projection(state);
}
static void gl_set_rotation(void *data, unsigned rotation)
{
gl_t *gl = (gl_t*)data;
gl->rotation = 90 * rotation;
set_projection(gl, true);
}
void keyboard( unsigned char key, int x, int y )
{
if( isupper(key) )
key = tolower(key);
switch( key )
{
case 'a':
if( anim )
stop();
else
start();
break;
case 'c': reset_camera(); break;
case 'f': fps_status = !fps_status; break;
case 'g': gridon = !gridon; break;
case 'p': planeon = !planeon; break;
case 'h': half = !half; break;
case 'l':
lights = !lights;
if( lights )
glEnable(GL_LIGHTING);
else
glDisable(GL_LIGHTING);
break;
case 'b':
cull = !cull;
if( cull )
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
break;
case 'o':
ortho = !ortho;
set_projection();
break;
case 's':
smooth = !smooth;
glShadeModel(smooth ? GL_SMOOTH : GL_FLAT);
break;
case 'w':
wire = !wire;
glPolygonMode(GL_FRONT_AND_BACK, wire ? GL_LINE : GL_FILL);
break;
case ' ':
fullscreen = !fullscreen;
set_fullscreen();
break;
case '\t':
printf("\ncamera:\n"
"-------------------\n"
"%3.3f elev\n"
"%3.3f azim\n"
"%3.3f dist\n"
"%3.3f x\n"
"%3.3f y\n",
cam_elev,
cam_azim,
cam_dist,
cam_panx,
cam_pany );
break;
case 'q': exit(0); break;
default:
print_help();
break;
}
// refresh after a command
glutPostRedisplay();
}
void pointer_scrolling(const example_state_view& state)
override
{
mod_cam_orbit(-state.norm_delta_pointer_z());
set_projection(state);
}
void bc_icamera::set_projection(bcUINT16 p_back_buffer_width, bcUINT16 p_back_buffer_height) noexcept
{
set_projection(p_back_buffer_width, p_back_buffer_height, m_near, m_far);
}
void bc_perspective_camera::set_projection(bcUINT16 p_back_buffer_width, bcUINT16 p_back_buffer_height, bcFLOAT p_height_fov, bcFLOAT p_near_clip, bcFLOAT p_far_clip) noexcept
{
m_field_of_view = p_height_fov;
set_projection(p_back_buffer_width, p_back_buffer_height, p_near_clip, p_far_clip);
}
void resize(const example_state_view& state)
override
{
gl.viewport(state.width(), state.height());
set_projection(state);
}
//-----------------------------------------------------------------------------
// name: main_draw()
// desc: ...
//-----------------------------------------------------------------------------
void AudicleWindow::main_draw( )
{
assert( this == AudicleWindow::main() );
m_frame_stamp++;
AudicleWindow::main()->get_current_time( TRUE );
// clear buffers
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
if( m_antialiased )
{
glHint( GL_POINT_SMOOTH_HINT, GL_NICEST );
glHint( GL_LINE_SMOOTH_HINT, GL_NICEST );
glEnable( GL_POINT_SMOOTH );
glEnable( GL_LINE_SMOOTH );
}
else
{
glDisable( GL_POINT_SMOOTH );
glDisable( GL_LINE_SMOOTH );
}
// set projection ( may be picking )
set_projection();
AudicleFace * face = Audicle::instance()->face();
// push state
face->render_pre();
// set view matrices
face->render_view();
// do yer buzinezz;
face->render( NULL );
/*
glEnable(GL_TEXTURE_2D);
glColor4d ( 0,0,0,1.0);
glPushMatrix();
scaleFont( 1.0, 1.0 );
kernedFont->Render( "hi!" );
monospacedFont->Render( "hello!" );
glPopMatrix();
glDisable(GL_TEXTURE_2D);
*/
// restore state
face->render_post();
// rendering for constant overlay...
// we may place a windowmanager here?
// move messages to a non-static setup....
// for now put a console at least in here..
// ui_render_console ();
// flush
glFlush();
// swap
if( m_render_mode == GL_RENDER )
glutSwapBuffers();
}
static void display() {
totalVerts = 0;
glLoadIdentity();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 0, 0, 1);
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, specLight); // Make sphere glow (emissive)
glLightfv(GL_LIGHT0, GL_POSITION, dirI );
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Noemit);
glPopMatrix();
// set camera viewpoint
camera_lookat();
center[0] = sphereCenter[0];
center[1] = sphereCenter[1];
center[2] = sphereCenter[2];
glColor3f(1.0, 1.0, 1.0);
draw_verts(center, 0, false, 0);//draw sphere
center[0] = 0;
center[1] = 0;
center[2] = 10.0;
draw_verts(center, 1, true, 3);//draw arena
center[0] = -18.5;
center[1] = 0;
center[2] = 0;
for(int i = 0; i < numOfBars; i++){//draw bars
barHeight = get_bar_height(center);
glColor3f(0.5, 0.1, barHeight/5);
draw_cube(center, 30/barHeight, 3, false);
center[0] += 4;
}
center[0] = actionCenter[0];
center[1] = actionCenter[1];
center[2] = actionCenter[2];
glColor3f(1.0, 1.0, 1.0);
draw_cube(center, .7, .7, true);//draw action block
center[0] = 18.5;
center[1] = 0.1;
center[2] = 3.0;
glColor3f(1.0, 1.0, 1.0);
draw_verts(center, 2, false, 0);//draw end 1
center[0] = -18.5;
draw_verts(center, 3, false, 0);//draw end 2
center[0] = 0;
center[1] = sphereCenter[1];
draw_verts(center, 5, false, 0);//draw bar
grid_terrain_draw(num_adj_levels);//draw terrain
glColor3f(0.5, 0.5, 0.5);
center[0] = -40;
glRotatef(rotation, 0, 1, 0);
draw_verts(center, 4, false, 0);//draw stands
glRotatef(90, 0, 1, 0);
draw_verts(center, 4, false, 0);//draw stands
glRotatef(90, 0, 1, 0);
draw_verts(center, 4, false, 0);
glRotatef(90, 0, 1, 0);
draw_verts(center, 4, false, 0);
center[1] = 15;
glColor3f(.4, .4, 1.0);
glutSolidSphere(50, 20, 10);
draw_diagnostics(fps_vertices);//draw text
if(display_help){
set_ortho_projection();
glparams_draw();
set_projection();
}
glFlush();
// increment frame count for framerate code
++frame_count;
}