void widget_sprite_draw() {
struct node *this = _current_node;
struct widget_sprite *wgspr = (struct widget_sprite *)_current_widget;
if(wgspr->tex == NULL)return;
if(wgspr->sheet == NULL)return;
struct rect *rect = spritesheet_get_rect(wgspr->sheet);
if(rect != NULL) {
int sw = (int)rect->w;
int sh = (int)rect->h;
if (sw + (int)rect->x > wgspr->tex->w) sw -= (int)rect->x - wgspr->tex->w;
if (sh + (int)rect->y > wgspr->tex->w) sh -= (int)rect->y - wgspr->tex->h;
node_draw((uint32_t *)wgspr->tex->data + (wgspr->tex->w * (int)rect->y + (int)rect->x)
, wgspr->tex->w
, sw
, sh
, 0, 0
, this->bounds.w
, this->bounds.h);
}
}
static void draw_galaxy(int i, int j, int f, float a)
{
struct galaxy *g = get_galaxy(i);
float V[6][4];
float p[4] = { 0.0, 0.0, 0.0, 1.0 };
init_galaxy(i);
glPushMatrix();
{
/* Apply the local coordinate system transformation. */
transform_entity(j);
get_viewfrust(V);
get_viewpoint(p);
/* Supply the view position as a vertex program parameter. */
if (GL_has_vertex_program)
glProgramEnvParameter4fARB(GL_VERTEX_PROGRAM_ARB, 0,
p[0], p[1], p[2], p[3]);
glPushAttrib(GL_ENABLE_BIT |
GL_TEXTURE_BIT |
GL_DEPTH_BUFFER_BIT |
GL_COLOR_BUFFER_BIT);
glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
{
/* Set up the GL state for star rendering. */
draw_brush(g->brush, a * get_entity_alpha(j));
glBindTexture(GL_TEXTURE_2D, g->texture);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
glDepthMask(GL_FALSE);
glBlendFunc(GL_ONE, GL_ONE);
if (GL_has_vertex_program)
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE_ARB);
if (GL_has_point_sprite)
{
glEnable(GL_POINT_SPRITE_ARB);
glTexEnvi(GL_POINT_SPRITE_ARB,
GL_COORD_REPLACE_ARB, GL_TRUE);
}
draw_arrays(i);
/* Render all stars. */
node_draw(g->N, 0, 0, V);
}
glPopClientAttrib();
glPopAttrib();
/* Render all child entities in this coordinate system. */
draw_entity_tree(j, f, a * get_entity_alpha(j));
}
glPopMatrix();
}
