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books.c
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books.c
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#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <string.h>
#include "books.h"
#include "asc.h"
#include "draw_scene.h"
#include "errors.h"
#include "elwindows.h"
#include "init.h"
#include "knowledge.h"
#include "multiplayer.h"
#include "new_character.h"
#include "textures.h"
#include "translate.h"
#ifdef OPENGL_TRACE
#include "gl_init.h"
#endif
#include "io/elfilewrapper.h"
#ifdef BSD
#include <stdlib.h>
#else
#ifdef OSX
#include <sys/malloc.h>
#else
#ifndef alloca // newer versions of SDL have their own alloca!
#include <malloc.h>
#endif //alloca
#endif //OSX
#endif //BSD
#define _TITLE 0
#define _AUTHOR 1
#define _TEXT 2
#define _IMAGE 3
#define _IMAGE_TEXT 4
#define _PAGE 6
#define LOCAL 0
#define SERVER 1
#define KNOWLEDGE_BOOK_OFFSET 10000
int book_opened=-1;//The ID of the book opened
static int paper1_text = -1; // Index in the texture cache of the paper texture
static int book1_text = -1; // Index in the texture cache of the book texture
typedef struct {
char file[200];
int x;
int y;
int w;
int h;
int texture;
int u[2];
int v[2];
} _image;
typedef struct {
char ** lines;
_image * image;
int page_no;
} page;
typedef struct _book {
char title[35];
int id;
int type;
int no_pages;
page ** pages;
int max_width;
int max_lines;
int server_pages;
int have_server_pages;
int pages_to_scroll;
int active_page;
struct _book * next;
} book;
book * books=NULL;
void add_book(book *bs);
void display_book_window(book *b);
/*Memory handling etc.*/
page * add_page(book * b)
{
page *p;
if(!b) return NULL;
p=(page*)calloc(1,sizeof(page));
p->lines=(char**)calloc(b->max_lines+1,sizeof(char *));
p->page_no=b->no_pages+1;
b->pages=(page**)realloc(b->pages,(b->no_pages+2)*sizeof(page*));
b->pages[b->no_pages++]=p;
b->pages[b->no_pages]=NULL;
return p;
}
book *create_book (const char* title, int type, int id)
{
book *b=(book*)calloc(1,sizeof(book));
switch(type){
case 2:
b->max_width=20;
b->max_lines=15;
type=2;
break;
case 1:
default:
b->max_width=29;
b->max_lines=20;
type=1;
break;
}
b->type=type;
b->id=id;
safe_snprintf(b->title, sizeof(b->title), "%s", title);
add_book(b);
return b;
}
_image *create_image (const char* file, int x, int y, int w, int h, float u_start, float v_start, float u_end, float v_end)
{
_image *img=(_image *)calloc(1,sizeof(_image));
img->x=x;
img->y=y;
img->w=w;
img->h=h;
img->u[0]=u_start;
img->u[1]=u_end;
img->v[0]=v_start;
img->v[1]=v_end;
#ifdef NEW_TEXTURES
img->texture = load_texture_cached(file, tt_image);
#else /* NEW_TEXTURES */
img->texture=load_texture_cache(file,0);
#endif /* NEW_TEXTURES */
if(!img->texture) {
free(img);
img=NULL;
}
return img;
}
void free_page(page * p)
{
char **l=p->lines;
if(p->image) free(p->image);
for(;*l;l++) free(*l);
free(p->lines);
free(p);
}
void free_book(book * b)
{
int i;
page **p;
p=b->pages;
for(i=0;i<b->no_pages;i++,p++) free_page(*p);
free(b->pages);
free(b);
}
/*Multiple book handling*/
book * get_book(int id)
{
book *b;
for(b=books;b;b=b->next){
if(b->id==id) break;
}
return b;
}
void add_book(book *bs)
{
book *b=books;
if(b) {
for(;b->next;b=b->next);
b->next=bs;
} else {
books=bs;
}
}
/*Book parser*/
page * add_str_to_page(char * str, int type, book *b, page *p)
{
char ** lines=NULL;
char ** newlines=NULL;
char ** newlines_ptr;
int i;
if(!str) return NULL;
if(!p)p=add_page(b);
newlines=get_lines(str, b->max_width);
newlines_ptr = newlines;
lines=p->lines;
for(i=0;*lines;i++,lines++);
if(type==_AUTHOR){
*lines++=(char*)calloc(1,sizeof(char));
} else if (type==_TITLE){
*lines++=(char*)calloc(1,sizeof(char));
}
for(;newlines && *newlines;i++) {
if(type==_AUTHOR){
memmove(*newlines+1,*newlines,strlen(*newlines)+1);
**newlines = to_color_char (c_orange3);
} else if(type==_TITLE){
memmove(*newlines+1,*newlines,strlen(*newlines)+1);
**newlines = to_color_char (c_orange4);
}
if(i>=b->max_lines){
*lines=NULL;
p=add_page(b);
lines=p->lines;
i=0;
}
*lines++=*newlines++;
// Grum: don't free *newlines, it's the pointer to actual line.
// It's this pointer that is copied to p->lines, not the data
// that it points to.
//free(*newlines);
}
// This is a temporary array that holds the pointers to the lines. It
// can safely be freed.
free(newlines_ptr);
if(i<b->max_lines){
if(type==_AUTHOR){
*lines++=(char*)calloc(1,sizeof(char));
} else if (type==_TITLE){
*lines++=(char*)calloc(1,sizeof(char));
}
}
*lines=NULL;
return p;
}
char * wrap_line_around_image(char * line, int w, int x, int max_width, char * last)
{
int i,j;
if(last){
for(i=0;i<max_width;i++){
if(!*last||(i>=x && i<x+w)) {
*line++=' ';
} else {
for(j=0;j<max_width && last[j] && last[j]!=' ' && last[j]!='\n' && last[j]!='\r';j++);
if(i+j<x||(i>=x+w && i+j<max_width)){
for(;j-->=0;line++,last++){
if(*last=='\r')
last++;
if(*last=='\n'){
last++;
i=max_width;
break;
}
*line=*last;
i++;
if(!*last)
break;
}
} else {
*line++=' ';
}
}
}
*line=0;
}
return last;
}
page * add_image_to_page(char * in_text, _image *img, book * b, page * p)
{
char **line;
char *last_ptr;
int i=0;
int max_width;
int max_lines;
int h, w, x, y;
if (img == NULL || b == NULL) return NULL;
if(!p || p->image)p=add_page(b);
max_width=b->max_width;
max_lines=b->max_lines;
h=img->h/16+1;
y=img->y/16+1;
w=img->w/9;
x=img->x/10;
if(y+h>max_lines || w+x>max_width) return NULL;
line=p->lines;
for(;line[i];i++);
if(i+h>=max_lines||y<=i) {
p=add_page(b);
line=p->lines;
i=0;
}
p->image=img;
if(in_text){
line+=i;
last_ptr=in_text;
for(i=0;i<h;i++,line++){//
*line=(char*)malloc((max_width+2)*sizeof(char));
if(i && (w<(max_width/3*2) && x+w<max_width) && last_ptr && *last_ptr){//If it's more than 2/3rd of the page width, don't work on it
last_ptr=wrap_line_around_image(*line,w,x,b->max_width+1,last_ptr);
} else {
**line=0;
}
}
if(*last_ptr)
p=add_str_to_page(last_ptr,_IMAGE_TEXT,b,p);
}
return p;
}
/*XML-parser*/
void add_xml_image_to_page(xmlNode * cur, book * b, page *p)
{
char *image_path;
int x,y,w,h;
float u_start,v_start,u_end,v_end;
_image *img;
char *text=NULL;
x=xmlGetInt(cur,(xmlChar*)"x");
y=xmlGetInt(cur,(xmlChar*)"y");
w=xmlGetInt(cur,(xmlChar*)"w");
h=xmlGetInt(cur,(xmlChar*)"h");
u_start=xmlGetFloat(cur,(xmlChar*)"u_start");
u_end=xmlGetFloat(cur,(xmlChar*)"u_end");
if(!u_end)
u_end=1;
v_start=xmlGetFloat(cur,(xmlChar*)"v_start");
if(!v_start)
v_start=1;
v_end=xmlGetFloat(cur,(xmlChar*)"v_end");
image_path=(char*)xmlGetProp(cur,(xmlChar*)"src");
if(!image_path) return;
img=create_image(image_path, x, y, w, h, u_start, v_start, u_end, v_end);
if(cur->children && cur->children->content){
MY_XMLSTRCPY(&text, (char*)cur->children->content);
}
if(add_image_to_page(text, img, b, p)==NULL)
free(img);
xmlFree(image_path);
if(text)
free(text);
}
void add_xml_str_to_page(xmlNode * cur, int type, book * b, page *p)
{
char * string=NULL;
if(cur->children && cur->children->content && MY_XMLSTRCPY(&string, (char*)cur->children->content)!=-1){
add_str_to_page(string, type, b, p);
} else {
#ifndef OSX
LOG_ERROR("An error occured when parsing the content of the <%s>-tag on line %d - Check it for letters that cannot be translated into iso8859-1\n", cur->name, cur->line);
#else
LOG_ERROR("An error occured when parsing the content of the <%s>-tag - Check it for letters that cannot be translated into iso8859-1\n", cur->name);
#endif
}
free(string);
}
void add_xml_page(xmlNode *cur, book * b)
{
page *p=add_page(b);
for(;cur;cur=cur->next){
if(cur->type == XML_ELEMENT_NODE){
if (!xmlStrcasecmp(cur->name,(xmlChar*)"title")){
add_xml_str_to_page(cur,_TITLE,b,p);
} else if (!xmlStrcasecmp(cur->name,(xmlChar*)"author")){
add_xml_str_to_page(cur,_AUTHOR,b,p);
} else if (!xmlStrcasecmp(cur->name,(xmlChar*)"text")){
add_xml_str_to_page(cur,_TEXT,b,p);
} else if (!xmlStrcasecmp(cur->name,(xmlChar*)"image")){
add_xml_image_to_page(cur, b, p);
}
}
}
}
book * parse_book(xmlNode *in, char * title, int type, int id)
{
xmlNode * cur;
book * b=create_book(title, type, id);
for(cur=in;cur;cur=cur->next){
if(cur->type == XML_ELEMENT_NODE){
if(!xmlStrcasecmp(cur->name,(xmlChar*)"page")){
add_xml_page(cur->children,b);
}
}
}
return b;
}
book * read_book(char * file, int type, int id)
{
xmlDoc * doc;
xmlNode * root=NULL;
xmlChar *title=NULL;
book *b=NULL;
char path[1024];
safe_snprintf(path, sizeof(path), "languages/%s/%s", lang, file);
if ((doc = xmlReadFile(path, NULL, 0)) == NULL) {
safe_snprintf(path, sizeof(path), "languages/en/%s", file);
}
if(doc == NULL && ((doc = xmlReadFile(path, NULL, 0)) == NULL)) {
char str[200];
safe_snprintf(str, sizeof(str), book_open_err_str, path);
LOG_ERROR(str);
LOG_TO_CONSOLE(c_red1,str);
} else if ((root = xmlDocGetRootElement(doc))==NULL) {
LOG_ERROR("Error while parsing: %s", path);
} else if(xmlStrcasecmp(root->name,(xmlChar*)"book")){
LOG_ERROR("Root element in %s is not <book>", path);
} else if((title=xmlGetProp(root,(xmlChar*)"title"))==NULL){
LOG_ERROR("Root element in %s does not contain a title=\"<short title>\" property.", path);
} else {
b=parse_book(root->children, (char*)title, type, id);
}
if(title) {
xmlFree(title);
}
xmlFreeDoc(doc);
return b;
}
void parse_knowledge_item(xmlNode *in)
{
xmlNode * cur;
int id = -1;
char * strID=NULL;
char * string=NULL;
for(cur=in;cur;cur=cur->next){
if(cur->type == XML_ELEMENT_NODE){
if(!xmlStrcasecmp(cur->name,(xmlChar*)"Knowledge")){
if ((strID=(char*)xmlGetProp(cur,(xmlChar*)"ID"))==NULL){
LOG_ERROR("Knowledge Item does not contain an ID property.");
} else {
id = atoi(strID);
if(cur->children && cur->children->content && MY_XMLSTRCPY(&string, (char*)cur->children->content)!=-1){
if (read_book(string, 2, id + KNOWLEDGE_BOOK_OFFSET) != NULL) {
knowledge_list[id].has_book = 1;
}
} else {
#ifndef OSX
LOG_ERROR("An error occured when parsing the content of the <%s>-tag on line %d - Check it for letters that cannot be translated into iso8859-1\n", cur->name, cur->line);
#else
LOG_ERROR("An error occured when parsing the content of the <%s>-tag - Check it for letters that cannot be translated into iso8859-1\n", cur->name);
#endif
}
xmlFree(strID);
free(string);
string = NULL;
}
}
}
}
return;
}
void read_knowledge_book_index()
{
xmlDoc * doc;
xmlNode * root=NULL;
char path[1024];
if ((doc = xmlReadFile("knowledge.xml", NULL, 0)) == NULL) {
LOG_TO_CONSOLE(c_red1, "Can't open knowledge book index");
} else if ((root = xmlDocGetRootElement(doc))==NULL) {
LOG_ERROR("Error while parsing: %s", path);
} else if(xmlStrcasecmp(root->name,(xmlChar*)"Knowledge_Books")){
LOG_ERROR("Root element in %s is not <Knowledge_Books>", path);
} else {
parse_knowledge_item(root->children);
}
xmlFreeDoc(doc);
return;
}
void init_books()
{
#ifdef NEW_TEXTURES
paper1_text = load_texture_cached ("textures/paper1.dds", tt_image);
book1_text = load_texture_cached ("textures/book1.dds", tt_image);
#else /* NEW_TEXTURES */
paper1_text = load_texture_cache_deferred ("./textures/paper1.bmp", 0);
book1_text = load_texture_cache_deferred ("./textures/book1.bmp", 0);
#endif /* NEW_TEXTURES */
read_book("books/races/human.xml", 2, book_human);
read_book("books/races/dwarf.xml", 2, book_dwarf);
read_book("books/races/elf.xml", 2, book_elf);
read_book("books/races/gnome.xml", 2, book_gnome);
read_book("books/races/orchan.xml", 2, book_orchan);
read_book("books/races/draegoni.xml", 2, book_draegoni);
read_knowledge_book_index();
}
/*Network parser*/
void open_book(int id)
{
book *b=get_book(id);
if(!b) {
char str[5];
str[0]=SEND_BOOK;
*((Uint16*)(str+1))=SDL_SwapLE16((Uint16)id);
*((Uint16*)(str+3))=SDL_SwapLE16(0);
my_tcp_send(my_socket, (Uint8*)str, 5);
} else {
display_book_window(b);
}
}
void read_local_book (const char *data, int len)
{
char file_name[200];
book *b;
safe_snprintf (file_name, sizeof(file_name), "%.*s", len-3, data+3);
b = get_book (SDL_SwapLE16 (*((Uint16*)(data+1))));
if (b == NULL)
{
b = read_book (file_name, data[0], SDL_SwapLE16 (*((Uint16*)(data+1))));
if (b == NULL)
{
char str[200];
safe_snprintf (str, sizeof(str), book_open_err_str, file_name);
LOG_TO_CONSOLE(c_red1, str);
return;
}
}
display_book_window (b); // Otherwise there's no point...
}
page * add_image_from_server(char *data, book *b, page *p)
{
int x, y;
int w, h;
int u_start, u_end;
int v_start, v_end;
char image_path[256];
char text[512];
int l=SDL_SwapLE16(*((Uint16*)(data)));
_image *img;
if(l>254)l=254;
memcpy(image_path, data+2, l);
image_path[l]=0;
data+=l+2;
l=SDL_SwapLE16(*((Uint16*)(data)));
if(l>510)
l=510;
memcpy(text, data+2, l);
text[l]=0;
data+=l+2;
x=SDL_SwapLE16(*((Uint16*)(data)));
y=SDL_SwapLE16(*((Uint16*)(data+2)));
w=SDL_SwapLE16(*((Uint16*)(data+4)));
h=SDL_SwapLE16(*((Uint16*)(data+6)));
u_start=data[8];
u_end=data[9];
v_start=data[10];
v_end=data[11];
img=create_image(image_path, x, y, w, h, u_start, v_start, u_end, v_end);
if(add_image_to_page(text, img, b, p)==NULL) free(img);
return p;
}
void read_server_book (const char *data, int len)
{
char buffer[8192];
book *b;
page *p;
int l = SDL_SwapLE16(*((Uint16*)(data+4)));
int idx;
if ( l >= sizeof (buffer) ) // Safer
l = sizeof (buffer) - 1;
memcpy (buffer, data+6, l);
buffer[l] = '\0';
b = get_book (SDL_SwapLE16 (*((Uint16*)(data+1))));
if (b == NULL)
b = create_book (buffer, data[0], SDL_SwapLE16 (*((Uint16*)(data+1))));
b->server_pages = data[3];
b->have_server_pages++;
p=add_page(b);//Will create a page if pages is not found.
idx = l + 6;
while (idx <= len)
{
l = SDL_SwapLE16 (*((Uint16*)(&data[idx+1])));
if ( l >= sizeof (buffer) ) // Safer.
l = sizeof (buffer) - 1;
memcpy (buffer, &data[idx+3], l);
buffer[l]=0;
switch (data[idx])
{
case _TEXT:
p=add_str_to_page(buffer,_TEXT,b,p);
break;
case _AUTHOR:
p=add_str_to_page(buffer,_AUTHOR,b,p);
break;
case _TITLE:
p=add_str_to_page(buffer,_TITLE,b,p);
break;
case _IMAGE:
p=add_image_from_server(buffer, b, p);
break;
case _PAGE:
//p=add_page(b);
break;
}
idx += l + 3;
}
b->active_page += b->pages_to_scroll;
b->pages_to_scroll = 0;
if (b) display_book_window (b); // Otherwise there's no point...
}
void read_network_book (const char *in_data, int data_length)
{
switch (*in_data)
{
case LOCAL:
read_local_book (&in_data[1], data_length-1);
break;
case SERVER:
read_server_book (&in_data[1], data_length-1);
break;
}
}
/*Generic display*/
void display_image(_image *i)
{
glColor4f(1.0f,1.0f,1.0f,0.5f);
#ifdef NEW_TEXTURES
bind_texture(i->texture);
#else /* NEW_TEXTURES */
get_and_set_texture_id(i->texture);
#endif /* NEW_TEXTURES */
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.05f);
glBegin(GL_QUADS);
glTexCoord2f(i->u[0],i->v[1]); glVertex2i(i->x,i->y+i->h);
glTexCoord2f(i->u[1],i->v[1]); glVertex2i(i->x+i->w,i->y+i->h);
glTexCoord2f(i->u[1],i->v[0]); glVertex2i(i->x+i->w,i->y);
glTexCoord2f(i->u[0],i->v[0]); glVertex2i(i->x,i->y);
glEnd();
glDisable(GL_ALPHA_TEST);
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
}
void display_page(book * b, page * p)
{
char ** l;
int i;
char str[20];
if(!p)
return;
set_font(2);
if(p->image) {
display_image(p->image);
}
for(i=0, l=p->lines; *l; i++,l++){
glColor3f(0.34f,0.25f, 0.16f);
draw_string_zoomed(10,i*18*0.9f,(unsigned char*)*l,0,1.0f);
}
glColor3f(0.385f,0.285f, 0.19f);
safe_snprintf(str,sizeof(str),"%d",p->page_no);
if(b->type==1)
draw_string_zoomed(140,b->max_lines*18*0.9f+2,(unsigned char*)str,0,1.0);
else if(b->type==2)
draw_string_zoomed(110,b->max_lines*18*0.9f+2,(unsigned char*)str,0,1.0);
set_font(0);
}
void display_book(book * b, int type)
{
page ** p=&b->pages[b->active_page];
int x=0;
switch(type){
case 2:
glPushMatrix();
glTranslatef(x,0,0);
display_page(b,*p);
glPopMatrix();
if(b->no_pages<=b->active_page)
break;
p++;
x+=250;
case 1:
default:
glPushMatrix();
glTranslatef(x,0,0);
display_page(b,*p);
glPopMatrix();
break;
}
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
}
/*Book window*/
int book_win=-1;
int paper_win=-1;
int book_win_x=100;
int book_win_y=100;
int book_win_x_len=400;
int book_win_y_len=300;
int book_mouse_x=0;
int book_mouse_y=0;
int display_book_handler(window_info *win)
{
int x=32,i,p;
char str[20];
book *b=win->data;
if(!b) {
toggle_window(book_win);
return 1;
}
switch(b->type){
case 1:
#ifdef NEW_TEXTURES
bind_texture(paper1_text);
#else /* NEW_TEXTURES */
get_and_set_texture_id(paper1_text);
#endif /* NEW_TEXTURES */
break;
case 2:
#ifdef NEW_TEXTURES
bind_texture(book1_text);
#else /* NEW_TEXTURES */
get_and_set_texture_id(book1_text);
#endif /* NEW_TEXTURES */
break;
}
glBegin(GL_QUADS);
glTexCoord2f(0.0f,1.0f); glVertex3i(0,0,0);
glTexCoord2f(0.0f,0.0f); glVertex3i(0,win->len_y-20,0);
glTexCoord2f(1.0f,0.0f); glVertex3i(win->len_x,win->len_y-20,0);
glTexCoord2f(1.0f,1.0f); glVertex3i(win->len_x,0,0);
glEnd();
glPushMatrix();
if(b->type==1)
glTranslatef(15,25,0);
else if(b->type==2)
glTranslatef(30,15,0);
display_book(b, b->type);
glPopMatrix();
glPushMatrix();
glTranslatef(0,win->len_y-18,0);
book_mouse_y-=(win->len_y-18);
x=10;
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>10 && book_mouse_x<(get_string_width((unsigned char*)"<-")*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(10,-2,(unsigned char*)"<-",0);
glColor3f(0.77f,0.59f, 0.38f);
draw_string(win->len_x-33,-2,(unsigned char*)"->",0);
} else if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>win->len_x-33 && book_mouse_x<win->len_x-33+(get_string_width((unsigned char*)"->")*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(win->len_x-33,-2,(unsigned char*)"->",0);
glColor3f(0.77f,0.59f, 0.38f);
draw_string(10,-2,(unsigned char*)"<-",0);
} else {
glColor3f(0.77f,0.59f, 0.38f);
draw_string(10,-2,(unsigned char*)"<-",0);
draw_string(win->len_x-33,-2,(unsigned char*)"->",0);
}
if(b->type==1) {
x=50;
p=b->active_page-5;
if(p>=0){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
x=100;
p=b->active_page-2;
if(p>=0){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
x=win->len_x-120;
p=b->active_page+2;
if(p<b->no_pages){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
x=win->len_x-70;
p=b->active_page+5;
if(p<b->no_pages){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
} else if(b->type==2) {
x=win->len_x/2-60;
for(i=1;i<5;i++){
p=b->active_page-i*b->type;
if(p>=0){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
x-=40;
}
x=win->len_x/2+50;
for(i=1;i<5;i++){
p=b->active_page+i*b->type;
if(p<b->no_pages){
safe_snprintf(str,sizeof(str),"%d",p+1);
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>x && book_mouse_x<x+(get_string_width((unsigned char*)str)*11.0f/12.0f)){
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(x,0,(unsigned char*)str,0);
glColor3f(0.77f,0.59f, 0.38f);
} else
draw_string(x,0,(unsigned char*)str,0);
}
x+=40;
}
}
if(book_mouse_y>0 && book_mouse_y<18 && book_mouse_x>win->len_x/2-15 && book_mouse_x<win->len_x/2+15)
glColor3f(0.95f, 0.76f, 0.52f);
draw_string(win->len_x/2-15,0,(unsigned char*)"[X]",0);
glPopMatrix();
#ifdef OPENGL_TRACE
CHECK_GL_ERRORS();
#endif //OPENGL_TRACE
return 1;
}
int click_book_handler(window_info *win, int mx, int my, Uint32 flags)
{
int i,x,p;
book *b=win->data;
// only handle mouse button clicks, not scroll wheels moves
if ( (flags & ELW_MOUSE_BUTTON) == 0) return 0;
my -= win->len_y;
if(my<-2 && my>-18) {
if(mx>10 && mx < 20){
if(b->have_server_pages<b->server_pages) {
if(b->active_page-b->type >= 0)
b->active_page -= b->type;
//We'll always have the first pages, you can't advance from 0-20 in 1 jump but must get them all.
//TODO: Make it possible to jump that many pages.
} else if(b->active_page-b->type >= 0) {
b->active_page-=b->type;
}
} else if(mx>win->len_x-20 && mx<win->len_x-10){
if(b->have_server_pages<b->server_pages){
//Get a 2 new pages...
char str[5];
int id=b->id;
int pages=b->have_server_pages;
str[0]=SEND_BOOK;
*((Uint16*)(str+1))=SDL_SwapLE16(id);
*((Uint16*)(str+3))=SDL_SwapLE16(pages);
my_tcp_send(my_socket, (Uint8*)str, 5);