// The start of the Application
int App::start(const std::vector<std::string> &args)
{
clan::DisplayWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(clan::Size( 800, 480 ), false);
clan::DisplayWindow window(win_desc);
clan::SlotContainer cc;
cc.connect(window.sig_window_close(), clan::bind_member(this, &App::on_window_close));
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &App::on_input_up));
std::string theme;
if (clan::FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (clan::FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw clan::Exception("No themes found");
clan::GUIWindowManagerTexture wm(window);
clan::GUIManager gui(wm, theme);
clan::Canvas canvas(window);
// Deleted automatically by the GUI
Options *options = new Options(gui, clan::Rect(0, 0, canvas.get_size()));
clan::Image image_grid(canvas, "../Blend/Resources/grid.png");
clan::Texture2D texture_particle(canvas, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
clan::ShaderObject vertex_shader(canvas, clan::shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
clan::ShaderObject fragment_shader(canvas, clan::shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
clan::ProgramObject program_object(canvas);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw clan::Exception(clan::string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform1i("Texture0", 0);
options->request_repaint();
clan::BlendStateDescription blend_state_desc;
blend_state_desc.enable_blending(true);
blend_state_desc.set_blend_function(clan::blend_src_alpha, clan::blend_one, clan::blend_src_alpha, clan::blend_one);
clan::BlendState blend_state(canvas, blend_state_desc);
clan::GameTime game_time;
while (!quit)
{
game_time.update();
wm.process();
wm.draw_windows(canvas);
int num_particles = options->num_particles;
if (num_particles > max_particles)
num_particles = max_particles;
move_particles(game_time.get_time_elapsed(), num_particles);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
// Draw the grid
image_grid.draw(canvas, grid_xpos, grid_ypos);
if (num_particles > 0)
{
std::vector<clan::Vec2f> positions;
std::vector<clan::Colorf> colors;
positions.resize(num_particles);
colors.resize(num_particles);
for (int cnt=0; cnt<num_particles; cnt++)
{
positions[cnt] = clan::Vec2f(grid_xpos + particles[cnt].xpos, grid_ypos + particles[cnt].ypos);
switch (cnt % 3)
{
case 0:
colors[cnt] = clan::Colorf(1.0f, 0.0f, 0.0f, 1.0f);
break;
case 1:
colors[cnt] = clan::Colorf(0.0f, 1.0f, 0.0f, 1.0f);
break;
case 2:
colors[cnt] = clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f);
break;
}
};
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
canvas.set_blend_state(blend_state);
clan::RasterizerStateDescription raster_state_desc;
raster_state_desc.set_point_size(options->point_size);
raster_state_desc.set_point_sprite_origin(clan::origin_upper_left);
clan::RasterizerState raster_state(canvas, raster_state_desc);
canvas.set_rasterizer_state(raster_state);
clan::PrimitivesArray primarray(gc);
clan::VertexArrayVector<clan::Vec2f> gpu_positions = clan::VertexArrayVector<clan::Vec2f>(gc, &positions[0], positions.size());
clan::VertexArrayVector<clan::Colorf> gpu_colors = clan::VertexArrayVector<clan::Colorf>(gc, &colors[0], colors.size());
primarray.set_attributes(0, gpu_positions);
primarray.set_attributes(1, gpu_colors);
ProgramUniforms buffer;
buffer.cl_ModelViewProjectionMatrix = canvas.get_projection() * canvas.get_modelview();
clan::UniformVector<ProgramUniforms> uniform_vector(gc, &buffer, 1);
gc.set_uniform_buffer(0, uniform_vector);
gc.set_texture(0, texture_particle);
gc.set_program_object(program_object);
gc.draw_primitives(clan::type_points, num_particles, primarray);
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_blend_state();
gc.reset_rasterizer_state();
}
window.flip(1);
clan::KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_stencil_size(8);
// For simplicity this example does not use the depth components
//win_desc.set_depth_size(16);
win_desc.set_title("Stencil Example");
win_desc.set_size(CL_Size( 900, 570 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_String theme;
if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw CL_Exception("No themes found");
CL_GUIWindowManagerTexture wm(window);
CL_GUIManager gui(wm, theme);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Image image_ball(gc, "../Blend/Resources/ball.png");
grid_space = (float) (image_grid.get_width() - image_ball.get_width());
setup_balls();
CL_BufferControl buffer_control;
CL_BufferControl default_buffer_control;
options->request_repaint();
CL_Font font(gc, "Tahoma", 24);
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_balls = options->num_balls;
if (num_balls > max_balls)
num_balls = max_balls;
if (options->is_moveballs_set)
move_balls(time_diff, num_balls);
gc.clear_stencil(0);
// Draw the grid
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
image_grid.draw(gc, grid_xpos, grid_ypos);
// Draw the circle onto the stencil
if (options->is_circle_set)
{
buffer_control.enable_logic_op(false);
buffer_control.enable_stencil_test(true);
buffer_control.set_stencil_compare_func(cl_comparefunc_always, cl_comparefunc_always);
buffer_control.set_stencil_fail(cl_stencil_incr_wrap, cl_stencil_incr_wrap);
buffer_control.set_stencil_pass_depth_fail(cl_stencil_incr_wrap, cl_stencil_incr_wrap);
buffer_control.set_stencil_pass_depth_pass(cl_stencil_incr_wrap, cl_stencil_incr_wrap);
buffer_control.enable_color_write(false);
buffer_control.enable_depth_write(false);
buffer_control.enable_depth_test(false);
gc.set_buffer_control(buffer_control);
CL_Draw::circle(gc, grid_xpos + image_grid.get_width()/2, grid_ypos + image_grid.get_height()/2, 100, CL_Colorf::white);
}
buffer_control.enable_color_write(true);
buffer_control.enable_logic_op(false);
buffer_control.enable_stencil_test(true);
buffer_control.set_stencil_compare_func(options->compare_function, options->compare_function);
buffer_control.set_stencil_compare_reference(options->compare_reference, options->compare_reference);
buffer_control.set_stencil_write_mask(255, 255);
buffer_control.set_stencil_compare_mask(255, 255);
buffer_control.set_stencil_fail(options->stencil_fail, options->stencil_fail);;
// Note, depth testing disabled for this example
buffer_control.set_stencil_pass_depth_fail(options->stencil_pass, options->stencil_pass);
buffer_control.set_stencil_pass_depth_pass(options->stencil_pass, options->stencil_pass);
buffer_control.enable_depth_write(false);
buffer_control.enable_depth_test(false);
gc.set_buffer_control(buffer_control);
for (int cnt=0; cnt<num_balls; cnt++)
{
image_ball.draw(gc, grid_xpos + balls[cnt].xpos, grid_ypos + balls[cnt].ypos);
}
gc.set_buffer_control(default_buffer_control);
CL_Image stencil_image = get_stencil(gc,
CL_Rect(grid_xpos, grid_ypos, image_grid.get_width(), image_grid.get_height()));
const float stencil_image_xpos = 400.0f;
const float stencil_image_ypos = 30.0f;
const float stencil_image_scale = 0.5f;
stencil_image.set_scale(stencil_image_scale, stencil_image_scale);
stencil_image.draw(gc, stencil_image_xpos, stencil_image_ypos);
CL_Draw::box(gc, CL_Rectf(stencil_image_xpos, stencil_image_ypos, CL_Sizef(stencil_image.get_width() * stencil_image_scale, stencil_image.get_height() * stencil_image_scale)), CL_Colorf::white);
font.draw_text(gc, stencil_image_xpos, stencil_image_ypos - 4.0f, "Stencil", CL_Colorf::black);
// Add a note to avoid confusion
font.draw_text(gc, 10.0f, 500.0, "(This example does not use the stencil depth buffer comparison or the stencil bitmask)", CL_Colorf::black);
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(CL_Size( 800, 480 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_String theme;
if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw CL_Exception("No themes found");
CL_GUIWindowManagerTexture wm(window);
CL_GUIManager gui(wm, theme);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Texture texture_particle(gc, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
CL_ProgramObject program_object(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
options->request_repaint();
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_particles = options->num_particles;
if (num_particles > max_particles)
num_particles = max_particles;
move_particles(time_diff, num_particles);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
// Draw the grid
image_grid.draw(gc, grid_xpos, grid_ypos);
if (num_particles > 0)
{
std::vector<CL_Vec2f> positions;
std::vector<CL_Vec4f> colors;
positions.resize(num_particles);
colors.resize(num_particles);
for (int cnt=0; cnt<num_particles; cnt++)
{
positions[cnt] = CL_Vec2f(grid_xpos + particles[cnt].xpos, grid_ypos + particles[cnt].ypos);
switch (cnt % 3)
{
case 0:
colors[cnt] = CL_Vec4f(1.0f, 0.0f, 0.0f, 1.0f);
break;
case 1:
colors[cnt] = CL_Vec4f(0.0f, 1.0f, 0.0f, 1.0f);
break;
case 2:
colors[cnt] = CL_Vec4f(0.0f, 0.0f, 1.0f, 1.0f);
break;
}
};
CL_BlendMode blend;
blend.enable_blending(true);
blend.set_blend_function(cl_blend_src_alpha, cl_blend_one, cl_blend_src_alpha, cl_blend_one);
gc.set_blend_mode(blend);
CL_Pen pen;
pen.enable_point_sprite(true);
pen.set_point_size(options->point_size);
pen.set_point_sprite_origin(cl_point_sprite_origin_upper_left);
gc.set_pen(pen);
program_object.set_uniform1i("Texture0", 0);
gc.set_texture(0, texture_particle);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, &positions[0]);
prim_array.set_attributes(1, &colors[0]);
gc.set_program_object(program_object);
gc.draw_primitives(cl_points, num_particles, prim_array);
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_blend_mode();
gc.reset_pen();
}
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<std::string> &args)
{
clan::DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("MapMode Example");
win_desc.set_size(clan::Size( 800, 480 ), false);
clan::DisplayWindow window(win_desc);
clan::SlotContainer cc;
cc.connect(window.sig_window_close(), clan::bind_member(this, &App::on_window_close));
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &App::on_input_up));
std::string theme;
if (clan::FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (clan::FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw clan::Exception("No themes found");
clan::GUIWindowManagerTexture wm(window);
clan::GUIManager gui(wm, theme);
clan::Canvas canvas(window);
// Deleted automatically by the GUI
Options *options = new Options(gui, clan::Rect(0, 0, canvas.get_size()));
clan::Image image_grid(canvas, "../Blend/Resources/grid.png");
clan::Image image_ball(canvas, "../Blend/Resources/ball.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width() - image_ball.get_width());
setup_balls();
options->request_repaint();
clan::GameTime game_time;
while (!quit)
{
game_time.update();
wm.process();
wm.draw_windows(canvas);
int num_balls = options->num_balls;
if (num_balls > max_balls)
num_balls = max_balls;
if (options->is_moveballs_set)
move_balls(game_time.get_time_elapsed(), num_balls);
canvas.set_map_mode(options->current_mapmode);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
if (options->current_mapmode == clan::map_user_projection)
{
clan::Sizef area_size(grid_width + (grid_xpos * 2.0f), grid_height + (grid_ypos * 2.0f));
set_user_projection(canvas, area_size, options);
}
// Draw the grid
image_grid.draw(canvas, grid_xpos, grid_ypos);
for (int cnt=0; cnt<num_balls; cnt++)
{
image_ball.draw(canvas, grid_xpos + balls[cnt].xpos, grid_ypos + balls[cnt].ypos);
}
canvas.set_modelview(clan::Mat4f::identity());
canvas.set_projection(clan::Mat4f::identity());
canvas.set_map_mode(clan::map_2d_upper_left);
canvas.get_gc().set_viewport(canvas.get_size());
window.flip(1);
clan::KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<std::string> &args)
{
clan::DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("Perlin Noise Example");
win_desc.set_size(clan::Size( 800, 520 ), false);
clan::DisplayWindow window(win_desc);
clan::SlotContainer cc;
cc.connect(window.sig_window_close(), clan::bind_member(this, &App::on_window_close));
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &App::on_input_up));
std::string theme;
if (clan::FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (clan::FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw clan::Exception("No themes found");
clan::Canvas canvas(window);
clan::GUIWindowManagerTexture wm(window);
clan::GUIManager gui(wm, theme);
// Deleted automatically by the GUI
Options *options = new Options(gui, canvas.get_size());
clan::Image image_grid(canvas, "../../Display_Render/Blend/Resources/grid.png");
image_grid.set_color(clan::Colorf(0.4f, 0.4f, 1.0f, 1.0f));
clan::PerlinNoise noise;
clan::Image noise_image;
clan::TextureFormat last_sized_format = clan::tf_rgb8;
float last_amplitude = 0.0f;
int last_width = 0;
int last_height = 0;
int last_octaves = 0 ;
float last_start_x = 0.0f;
float last_length_x = 0.0f;
float last_start_y = 0.0f;
float last_length_y = 0.0f;
float last_position_z = 0.0f;
float last_position_w = 0.0f;
PerlinDimension last_dimension = perlin_2d;
bool last_is_normals_set = false;
while (!quit)
{
wm.process();
wm.draw_windows(canvas);
bool changed_flag = false;
if (last_dimension != options->dimension)
{
changed_flag = true;
last_dimension = options->dimension;
}
if (last_is_normals_set != options->is_normals_set)
{
changed_flag = true;
last_is_normals_set = options->is_normals_set;
}
if (last_sized_format != options->sized_format)
{
changed_flag = true;
last_sized_format = options->sized_format;
noise.set_format(last_sized_format);
}
if (last_amplitude != options->amplitude)
{
changed_flag = true;
last_amplitude = options->amplitude;
noise.set_amplitude(last_amplitude);
}
if (last_width != options->width)
{
changed_flag = true;
last_width = options->width;
noise.set_size(last_width, last_height);
}
if (last_height != options->height)
{
changed_flag = true;
last_height = options->height;
noise.set_size(last_width, last_height);
}
if (last_octaves != options->octaves)
{
changed_flag = true;
last_octaves = options->octaves;
noise.set_octaves(last_octaves);
}
if (last_start_x != options->start_x)
{
changed_flag = true;
last_start_x = options->start_x;
}
if (last_length_x != options->length_x)
{
changed_flag = true;
last_length_x = options->length_x;
}
if (last_start_y != options->start_y)
{
changed_flag = true;
last_start_y = options->start_y;
}
if (last_length_y != options->length_y)
{
changed_flag = true;
last_length_y = options->length_y;
}
if (last_position_z != options->position_z)
{
changed_flag = true;
last_position_z = options->position_z;
}
if (last_position_w != options->position_w)
{
changed_flag = true;
last_position_w = options->position_w;
}
if (changed_flag)
{
clan::PixelBuffer pbuff;
switch (last_dimension)
{
case perlin_1d:
pbuff = noise.create_noise1d(last_start_x, last_start_x + last_length_x);
break;
case perlin_2d:
pbuff = noise.create_noise2d(last_start_x, last_start_x + last_length_x, last_start_y, last_start_y + last_length_y);
break;
case perlin_3d:
pbuff = noise.create_noise3d(last_start_x, last_start_x + last_length_x, last_start_y, last_start_y + last_length_y, last_position_z);
break;
case perlin_4d:
default:
pbuff = noise.create_noise4d(last_start_x, last_start_x + last_length_x, last_start_y, last_start_y + last_length_y, last_position_z, last_position_w);
break;
}
if (last_is_normals_set)
pbuff = convert_to_normalmap(pbuff);
pbuff = pbuff.to_format(clan::tf_rgba8); // Required for clanD3D
noise_image = clan::Image(canvas, pbuff, pbuff.get_size());
}
image_grid.draw(canvas, 32, 32);
noise_image.draw(canvas, 33, 33);
window.flip(1);
clan::KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<std::string> &args)
{
clan::DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_stencil_size(8);
// For simplicity this example does not use the depth components
//win_desc.set_depth_size(16);
win_desc.set_title("Stencil Example");
win_desc.set_size(clan::Size( 900, 570 ), false);
clan::DisplayWindow window(win_desc);
clan::Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
clan::Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
std::string theme;
if (clan::FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (clan::FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw clan::Exception("No themes found");
clan::GUIWindowManagerTexture wm(window);
clan::GUIManager gui(wm, theme);
clan::Canvas canvas(window);
// Deleted automatically by the GUI
Options *options = new Options(gui, clan::Rect(0, 0, canvas.get_size()));
clan::Image image_grid(canvas, "../Blend/Resources/grid.png");
clan::Image image_ball(canvas, "../Blend/Resources/ball.png");
grid_space = (float) (image_grid.get_width() - image_ball.get_width());
setup_balls();
options->request_repaint();
clan::Font font(canvas, "Tahoma", 20);
clan::BlendStateDescription blend_desc;
blend_desc.enable_color_write(false, false, false, false);
clan::BlendState blend_state_no_color_write(canvas, blend_desc);
clan::GameTime game_time;
while (!quit)
{
game_time.update();
wm.process();
wm.draw_windows(canvas);
int num_balls = options->num_balls;
if (num_balls > max_balls)
num_balls = max_balls;
if (options->is_moveballs_set)
move_balls(game_time.get_time_elapsed(), num_balls);
canvas.clear_stencil(0);
// Draw the grid
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
image_grid.draw(canvas, grid_xpos, grid_ypos);
clan::DepthStencilStateDescription stencil_desc;
// Draw the circle onto the stencil
if (options->is_circle_set)
{
stencil_desc.enable_stencil_test(true);
stencil_desc.set_stencil_compare_front(clan::compare_always, 255, 255);
stencil_desc.set_stencil_compare_back(clan::compare_always, 255, 255);
stencil_desc.set_stencil_op_front(clan::stencil_incr_wrap, clan::stencil_incr_wrap, clan::stencil_incr_wrap);
stencil_desc.set_stencil_op_back(clan::stencil_incr_wrap, clan::stencil_incr_wrap, clan::stencil_incr_wrap);
stencil_desc.enable_depth_write(false);
stencil_desc.enable_depth_test(false);
clan::DepthStencilState stencil_state(canvas, stencil_desc);
canvas.set_depth_stencil_state(stencil_state);
canvas.set_blend_state(blend_state_no_color_write);
canvas.fill_circle(grid_xpos + image_grid.get_width()/2, grid_ypos + image_grid.get_height()/2, 100, clan::Colorf::white);
canvas.reset_blend_state();
}
stencil_desc.enable_stencil_test(true);
stencil_desc.set_stencil_compare_front(options->compare_function, options->compare_reference, 255);
stencil_desc.set_stencil_compare_back(options->compare_function, options->compare_reference, 255);
stencil_desc.set_stencil_op_front(options->stencil_fail, options->stencil_pass, options->stencil_pass);
stencil_desc.set_stencil_op_back(options->stencil_fail, options->stencil_pass, options->stencil_pass);
// Note, depth testing disabled for this example
stencil_desc.enable_depth_write(false);
stencil_desc.enable_depth_test(false);
clan::BlendState blend_state(canvas, blend_desc);
clan::DepthStencilState stencil_state(canvas, stencil_desc);
canvas.set_depth_stencil_state(stencil_state);
for (int cnt=0; cnt<num_balls; cnt++)
{
image_ball.draw(canvas, grid_xpos + balls[cnt].xpos, grid_ypos + balls[cnt].ypos);
}
canvas.reset_depth_stencil_state();
clan::Image stencil_image = get_stencil(canvas,
clan::Rect(grid_xpos, grid_ypos, image_grid.get_width(), image_grid.get_height()));
const float stencil_image_xpos = 400.0f;
const float stencil_image_ypos = 30.0f;
const float stencil_image_scale = 0.5f;
stencil_image.set_scale(stencil_image_scale, stencil_image_scale);
stencil_image.draw(canvas, stencil_image_xpos, stencil_image_ypos);
canvas.draw_box(clan::Rectf(stencil_image_xpos, stencil_image_ypos, clan::Sizef(stencil_image.get_width() * stencil_image_scale, stencil_image.get_height() * stencil_image_scale)), clan::Colorf::white);
font.draw_text(canvas, stencil_image_xpos, stencil_image_ypos - 4.0f, "Stencil", clan::Colorf::black);
// Add a note to avoid confusion
font.draw_text(canvas, 10.0f, 500.0, "(This example does not use the stencil depth buffer comparison or the stencil bitmask)", clan::Colorf::black);
window.flip(1);
clan::KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("MapMode Example");
win_desc.set_size(CL_Size( 800, 480 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_String theme;
if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw CL_Exception("No themes found");
CL_GUIWindowManagerTexture wm(window);
CL_GUIManager gui(wm, theme);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Image image_ball(gc, "../Blend/Resources/ball.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width() - image_ball.get_width());
setup_balls();
options->request_repaint();
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_balls = options->num_balls;
if (num_balls > max_balls)
num_balls = max_balls;
if (options->is_moveballs_set)
move_balls(time_diff, num_balls);
gc.set_map_mode(options->current_mapmode);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
if (options->current_mapmode == cl_user_projection)
{
CL_Sizef area_size(grid_width + (grid_xpos * 2.0f), grid_height + (grid_ypos * 2.0f));
set_user_projection(gc, area_size, options);
}
// Draw the grid
image_grid.draw(gc, grid_xpos, grid_ypos);
gc.flush_batcher(); // <--- Fix me, this should not be required for cl_user_projection
for (int cnt=0; cnt<num_balls; cnt++)
{
image_ball.draw(gc, grid_xpos + balls[cnt].xpos, grid_ypos + balls[cnt].ypos);
}
gc.set_modelview(CL_Mat4f::identity());
gc.set_projection(CL_Mat4f::identity());
gc.set_map_mode(cl_map_2d_upper_left);
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
