static unsigned long
compass_draw (Display *dpy, Window window, void *closure)
{
struct state *st = (struct state *) closure;
XFillRectangle (st->dpy, st->b, st->erase_gc, 0, 0, st->xgwa.width, st->xgwa.height);
draw_compass (st);
draw_pointer (st);
#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
if (st->backb)
{
XdbeSwapInfo info[1];
info[0].swap_window = st->window;
info[0].swap_action = XdbeUndefined;
XdbeSwapBuffers (st->dpy, info, 1);
}
else
#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
if (st->dbuf)
{
XCopyArea (st->dpy, st->b, st->window, st->erase_gc, 0, 0,
st->size2, st->size2,
st->xgwa.width/2 - st->x,
st->xgwa.height/2 - st->y);
st->b = (st->b == st->ba ? st->bb : st->ba);
}
return st->delay;
}
/**
* "Got frame" callback.
* Fills the texture with the given frame, and displays it on the window.
*/
int video_display_frame(uint8_t* frame, int width, int height, int size) {
//if we get a NULL frame, stop displaying.
if(frame == NULL) {
video_display_clean();
return 0;
}
//first time called ? Initialize things.
if(!initialized) {
if(video_display_init_size(width, height) < 0) {
fprintf(stderr, "Display : Failed initialization.\n");
return -1;
}
if(video_display_set_size(width, height) < 0)
return -1;
initialized = 1;
}
//check whether the size of the video has changed
if(width != current_width || height != current_height)
if(video_display_set_size(width, height) < 0)
return -1;
//check whether there's new stuff in the input com buffer
double new_update = jakopter_com_get_timestamp(com_in);
if(new_update > prev_update) {
update_infos();
prev_update = new_update;
}
//update the texture with our new frame
if(SDL_UpdateTexture(frameTex, NULL, frame, width) < 0) {
fprintf(stderr, "Display : failed to update frame texture : %s\n", SDL_GetError());
return -1;
}
//clear the renderer, then update it so that we get the new frame displayed.
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, frameTex, NULL, NULL);
//SDL_RenderFillRect(renderer, &rectangle);
//draw all overlay elements, when they exist
int i=0;
for(i=0 ; i<VIDEO_NB_NAV_INFOS ; i++)
if(graphs[i].tex != NULL)
SDL_RenderCopy(renderer, graphs[i].tex, NULL, &graphs[i].pos);
draw_attitude_indic();
draw_compass();
SDL_RenderPresent(renderer);
return 0;
}
int display_minimap_handler(window_info *win)
{
float zoom_multip;
float size_x = float_minimap_size / (tile_map_size_x * 6);
float size_y = float_minimap_size / (tile_map_size_y * 6);
float px = 0.0f, py = 0.0f;
actor *me;
float x,y;
int i;
if(win->pos_x > window_width - 50)
move_window(minimap_win,win->pos_id,win->pos_loc,window_width-minimap_size,win->pos_y);
if(win->pos_y > window_height - 50)
move_window(minimap_win,win->pos_id,win->pos_loc,win->pos_x,window_height-minimap_size);
if (enable_controls)
{
draw_minimap_title_bar(win);
enable_controls = 0;
}
zoom_multip = minimap_get_zoom();
if(!minimap_texture)
{
//there's no minimap for this map :( draw a X
glTranslatef(0.0f, 16.0f, 0.0f);
glPushMatrix();
glDisable(GL_TEXTURE_2D);
//draw black background
glColor3f(0.0f,0.0f,0.0f);
glBegin(GL_POLYGON);
for (i=0; i<=360; i +=10)
{
x = sin((i)*0.0174532925f)/2*float_minimap_size+float_minimap_size/2;
y = cos((i)*0.0174532925f)/2*float_minimap_size+float_minimap_size/2;
glVertex2f(x, y);
}
glEnd();
glPopMatrix();
draw_compass();
return 0;
}
//draw minimap
//get player position in window coordinates
if( (me = get_our_actor ()) == NULL)
{
//Don't know who we are? can't draw then
return 0;
}
px = me->x_tile_pos * size_x;
py = float_minimap_size - (me->y_tile_pos * size_y);
glTranslatef(0.0f, 16.0f, 0.0f);
glDisable(GL_TEXTURE_2D);
//draw black background
glColor3f(0.0f,0.0f,0.0f);
glBegin(GL_POLYGON);
for (i=0; i<=360; i +=10)
{
x = sin((i)*0.0174532925f)/2*float_minimap_size+float_minimap_size/2;
y = cos((i)*0.0174532925f)/2*float_minimap_size+float_minimap_size/2;
glVertex2f(x, y);
}
glEnd();
draw_map(win,zoom_multip, px, py);
draw_actor_points(zoom_multip, px, py);
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
return 0;
}
static __inline__ void draw_map(window_info *win,float zoom_multip, float px, float py)
{
float sx = 0.0f, sy = 0.0f;
int i;
float x, y;
glPushMatrix();
sx = float_minimap_size/2;
sy = float_minimap_size/2;
glTranslatef(sx, sy, 0.0f);
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_ALWAYS, 1, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glDepthMask(GL_FALSE);
glColor3f(0.0f,0.0f,0.0f);
glBegin(GL_POLYGON);
for (i=0; i<=360; i +=10)
{
x = sin((i)*0.0174532925f)/2*float_minimap_size;
y = cos((i)*0.0174532925f)/2*float_minimap_size;
glVertex2f(x, y);
}
glEnd();
glStencilFunc(GL_EQUAL, 1, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
// re-enable the drawing in the current buffer
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthMask(GL_TRUE);
glEnable(GL_TEXTURE_2D);
//draw the map
#ifdef NEW_TEXTURES
bind_texture(minimap_texture);
#else /* NEW_TEXTURES */
bind_texture_id(minimap_texture);
#endif /* NEW_TEXTURES */
glColor4f(1.0f,1.0f,1.0f,1.0f);
rotate_at_player(zoom_multip,px,py);
glBegin(GL_QUADS);
#ifdef NEW_TEXTURES
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-float_minimap_size/2, float_minimap_size/2);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(float_minimap_size/2, float_minimap_size/2);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(float_minimap_size/2, -float_minimap_size/2);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-float_minimap_size/2, -float_minimap_size/2);
#else /* NEW_TEXTURES */
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-float_minimap_size/2, float_minimap_size/2);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(float_minimap_size/2, float_minimap_size/2);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(float_minimap_size/2, -float_minimap_size/2);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-float_minimap_size/2, -float_minimap_size/2);
#endif /* NEW_TEXTURES */
glEnd();
glDisable(GL_STENCIL_TEST);
glPopMatrix();
if (compass_tex)
{
//draw the compass texture
draw_compass();
}
}
int video_display_process(uint8_t* frame, int width, int height, int size) {
//if we get a NULL frame, stop displaying.
if(frame == NULL) {
video_display_destroy();
return 0;
}
//first time called ? Initialize things.
if(!initialized) {
if(video_display_init_size(width, height) < 0) {
fprintf(stderr, "[~][Display] Failed initialization.\n");
return -1;
}
if(video_display_set_size(width, height) < 0)
return -1;
initialized = 1;
}
//check whether the size of the video has changed
if (width != current_width || height != current_height)
if (video_display_set_size(width, height) < 0)
return -1;
//check whether there's new stuff in the input com buffer
double new_update = jakopter_com_get_timestamp(com_in);
if (new_update > prev_update) {
update_infos();
if (want_screenshot) {
take_screenshot(frame, size);
want_screenshot = 0;
jakopter_com_write_int(com_in, 24, 0);
}
prev_update = new_update;
}
pthread_mutex_lock(&mutex_process);
if (current_process != NULL) {
current_process(frame, width, height, size);
}
pthread_mutex_unlock(&mutex_process);
unload_element();
if (load_element() < 0)
fprintf(stderr, "Couldn't load graphic element\n");
// update the texture with our new frame
if (SDL_UpdateTexture(frameTex, NULL, frame, width) < 0) {
fprintf(stderr, "[~][Display] Failed to update frame texture : %s\n", SDL_GetError());
return -1;
}
//clear the renderer, then update it so that we get the new frame displayed.
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, frameTex, NULL, NULL);
//SDL_RenderFillRect(renderer, &rectangle);
//draw all overlay elements, when they exist
int i = 0;
for (i = 0 ; i < VIDEO_NB_NAV_INFOS ; i++)
if (graphs[i].tex != NULL)
SDL_RenderCopy(renderer, graphs[i].tex, NULL, &graphs[i].pos);
pthread_mutex_lock(&mutex_graphics_list);
struct graphics_list *current = icon_registry;
while (current != NULL) {
if (current->graphic != NULL && current->graphic->tex != NULL){
int ret = SDL_RenderCopy(renderer, current->graphic->tex, NULL, ¤t->graphic->pos);
if (ret < 0)
fprintf(stderr, "[~][display] RenderCopy() failed: %s\n", SDL_GetError());
}
current = current->next;
}
pthread_mutex_unlock(&mutex_graphics_list);
draw_attitude_indic();
draw_compass();
SDL_RenderPresent(renderer);
return 0;
}