void gear_draw(gear_t* self, a3d_mat4f_t* mvp, a3d_mat4f_t* mvm)
{
assert(self);
LOGD("debug");
a3d_mat3f_t nm;
a3d_mat4f_normalmatrix(mvm, &nm);
a3d_vec3f_t light_position;
a3d_vec3f_load(&light_position, 5.0f, 5.0f, 10.0);
a3d_vec3f_normalize(&light_position); // TODO - optimize
// front, back, front teeth and back teeth
glUseProgram(self->face_program);
glEnableVertexAttribArray(self->face_attribute_vertex);
// compute color for flat shaded surface
a3d_vec3f_t normal_front;
a3d_vec4f_t color;
a3d_vec3f_load(&normal_front, 0.0f, 0.0f, 1.0f);
a3d_mat3f_mulv(&nm, &normal_front);
a3d_vec3f_normalize(&normal_front);
a3d_vec4f_load(&color, 0.2f, 0.2f, 0.2f, 1.0f); // ambient
GLfloat ndotlp = a3d_vec3f_dot(&normal_front, &light_position);
if(ndotlp > 0.0f)
{
a3d_vec4f_t diffuse;
a3d_vec4f_load(&diffuse, ndotlp, ndotlp, ndotlp, 0.0f);
a3d_vec4f_addv(&color, &diffuse); // ambient + diffuse
a3d_vec4f_mulv(&color, &self->color); // color * (ambient + diffuse)
}
else
{
a3d_vec4f_mulv(&color, &self->color);
}
glUniform4fv(self->face_uniform_color, 1, (GLfloat*) &color);
glUniformMatrix4fv(self->face_uniform_mvp, 1, GL_FALSE, (GLfloat*) mvp);
glBindBuffer(GL_ARRAY_BUFFER, self->front_vid);
glVertexAttribPointer(self->face_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, self->front_ec);
glBindBuffer(GL_ARRAY_BUFFER, self->front_teeth_vid);
glVertexAttribPointer(self->face_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, self->front_teeth_ec);
// compute color for flat shaded surface
a3d_vec3f_t normal_back;
a3d_vec3f_load(&normal_back, 0.0f, 0.0f, -1.0f);
a3d_mat3f_mulv(&nm, &normal_back);
a3d_vec3f_normalize(&normal_back);
a3d_vec4f_load(&color, 0.2f, 0.2f, 0.2f, 1.0f); // reload ambient
ndotlp = a3d_vec3f_dot(&normal_back, &light_position);
if(ndotlp > 0.0f)
{
a3d_vec4f_t diffuse;
a3d_vec4f_load(&diffuse, ndotlp, ndotlp, ndotlp, 0.0f);
a3d_vec4f_addv(&color, &diffuse); // ambient + diffuse
a3d_vec4f_mulv(&color, &self->color); // color * (ambient + diffuse)
}
else
{
a3d_vec4f_mulv(&color, &self->color);
}
glUniform4fv(self->face_uniform_color, 1, (GLfloat*) &color);
glBindBuffer(GL_ARRAY_BUFFER, self->back_vid);
glVertexAttribPointer(self->face_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, self->back_ec);
glBindBuffer(GL_ARRAY_BUFFER, self->back_teeth_vid);
glVertexAttribPointer(self->face_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLES, 0, self->back_teeth_ec);
glDisableVertexAttribArray(self->face_attribute_vertex);
// outward teeth
glUseProgram(self->outward_program);
glEnableVertexAttribArray(self->outward_attribute_vertex);
glEnableVertexAttribArray(self->outward_attribute_normal);
glUniform4fv(self->outward_uniform_color, 1, (GLfloat*) &self->color);
glUniformMatrix3fv(self->outward_uniform_nm, 1, GL_FALSE, (GLfloat*) &nm);
glUniformMatrix4fv(self->outward_uniform_mvp, 1, GL_FALSE, (GLfloat*) mvp);
glBindBuffer(GL_ARRAY_BUFFER, self->outward_vid);
glVertexAttribPointer(self->outward_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, self->outward_nid);
glVertexAttribPointer(self->outward_attribute_normal, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, self->outward_ec);
glDisableVertexAttribArray(self->outward_attribute_normal);
glDisableVertexAttribArray(self->outward_attribute_vertex);
// cylinder
glUseProgram(self->cylinder_program);
glEnableVertexAttribArray(self->cylinder_attribute_vertex);
glEnableVertexAttribArray(self->cylinder_attribute_normal);
glUniform4fv(self->cylinder_uniform_color, 1, (GLfloat*) &self->color);
glUniformMatrix3fv(self->cylinder_uniform_nm, 1, GL_FALSE, (GLfloat*) &nm);
glUniformMatrix4fv(self->cylinder_uniform_mvp, 1, GL_FALSE, (GLfloat*) mvp);
glBindBuffer(GL_ARRAY_BUFFER, self->cylinder_vid);
glVertexAttribPointer(self->cylinder_attribute_vertex, 3, GL_FLOAT, GL_FALSE, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, self->cylinder_nid);
glVertexAttribPointer(self->cylinder_attribute_normal, 3, GL_FLOAT, GL_FALSE, 0, 0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, self->cylinder_ec);
glDisableVertexAttribArray(self->cylinder_attribute_normal);
glDisableVertexAttribArray(self->cylinder_attribute_vertex);
glUseProgram(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
a3d_widget_t* a3d_widget_new(struct a3d_screen_s* screen,
int wsize,
int anchor,
int wrapx, int wrapy,
int stretch_mode,
float stretch_factor,
int style_border,
int style_line,
a3d_vec4f_t* color_line,
a3d_vec4f_t* color_fill,
a3d_widget_reflow_fn reflow_fn,
a3d_widget_size_fn size_fn,
a3d_widget_click_fn click_fn,
a3d_widget_layout_fn layout_fn,
a3d_widget_drag_fn drag_fn,
a3d_widget_draw_fn draw_fn,
a3d_widget_fade_fn fade_fn,
a3d_widget_refresh_fn refresh_fn)
{
// reflow_fn, size_fn, click_fn, layout_fn, refresh_fn and draw_fn may be NULL
assert(screen);
assert(color_line);
assert(color_fill);
LOGD("debug wsize=%i, anchor=%i, wrapx=%i, wrapy=%i",
wsize, anchor, wrapx, wrapy);
LOGD("debug stretch_mode=%i, stretch_factor=%f, style_border=%i, style_line=%i",
stretch_mode, stretch_factor, style_border, style_line);
LOGD("debug color_line: r=%f, g=%f, b=%f, a=%f",
color_line->r, color_line->g, color_line->b, color_line->a);
LOGD("debug color_fill: r=%f, g=%f, b=%f, a=%f",
color_fill->r, color_fill->g, color_fill->b, color_fill->a);
if(wsize == 0)
{
wsize = sizeof(a3d_widget_t);
}
a3d_widget_t* self = (a3d_widget_t*) malloc(wsize);
if(self == NULL)
{
LOGE("malloc failed");
return NULL;
}
self->screen = screen;
self->priv = NULL;
self->drag_dx = 0.0f;
self->drag_dy = 0.0f;
self->anchor = anchor;
self->wrapx = wrapx;
self->wrapy = wrapy;
self->stretch_mode = stretch_mode;
self->stretch_factor = stretch_factor;
self->style_border = style_border;
self->style_line = style_line;
self->scroll_bar = 0;
self->reflow_fn = reflow_fn;
self->size_fn = size_fn;
self->click_fn = click_fn;
self->keyPress_fn = NULL;
self->layout_fn = layout_fn;
self->drag_fn = drag_fn;
self->refresh_fn = refresh_fn;
self->draw_fn = draw_fn;
self->fade_fn = fade_fn;
self->fade = 0.0f;
self->sound_fx = 1;
a3d_rect4f_init(&self->rect_draw, 0.0f, 0.0f, 0.0f, 0.0f);
a3d_rect4f_init(&self->rect_clip, 0.0f, 0.0f, 0.0f, 0.0f);
a3d_rect4f_init(&self->rect_border, 0.0f, 0.0f, 0.0f, 0.0f);
a3d_vec4f_copy(color_line, &self->color_line);
a3d_vec4f_copy(color_fill, &self->color_fill);
a3d_vec4f_load(&self->color_fill2, 0.0f, 0.0f, 0.0f, 0.0f);
a3d_vec4f_load(&self->color_scroll0, 0.0f, 0.0f, 0.0f, 0.0f);
a3d_vec4f_load(&self->color_scroll1, 0.0f, 0.0f, 0.0f, 0.0f);
self->tone_y2 = 0.0f;
glGenBuffers(1, &self->id_vtx_rect);
glGenBuffers(1, &self->id_vtx_line);
glGenBuffers(1, &self->scroll_id_vtx_rect);
if(a3d_widget_shaders(self) == 0)
{
goto fail_shaders;
}
// success
return self;
// failure
fail_shaders:
free(self);
return NULL;
}
