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FONT.C
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/********************************************************************
* *
* *
* Font draw functions *
* *
* *
********************************************************************/
/********************************************************************
* *
* Includes *
* *
********************************************************************/
#include "incs.h"
#ifdef PSX
#include "..\..\striker\src\anim.def"
#include "main.h"
#include "datafile.h"
#include "sprite.h"
#include "frontend.h"
#include "gadget.h"
#include "shell.h"
#include "hardware.h"
#include "font.h"
#endif
/********************************************************************
* *
* Defines *
* *
********************************************************************/
#define MAX_TEXT_STRINGS_ACTIVE 32 // in a single group
#define TEXT_STRING_GROUPS 8
// special font chars
#define FONT_Y_SPACE 254
#define FONT_CR 253
#define FONT_ENDSTRING 252
/********************************************************************
* *
* Prototypes *
* *
********************************************************************/
void add_font ( Font_data *font_data, UWORD font_num );
void init_fonts();
void spawn_text_string ( Textman_struct *textman );
void unspawn_text_string( Sprite *sprite );
void unspawn_all_text_strings();
void apply_to_sprite_string( Sprite *sprite );
void get_group_sprite ( WORD group );
void apply_seqnum_to_sprite_string( Sprite *sprite );
void milford_font_logic ( Sprite *sprite );
void start_text_manager( WORD text_strings );
void adjust_text_string_pos ( Sprite *sprite, WORD xamount, WORD yamount );
/********************************************************************
* *
* Vars *
* *
********************************************************************/
typedef struct
{
WORD current_spawned_string;
Sprite *spawned_strings_list[ MAX_TEXT_STRINGS_ACTIVE ];
}Text_group;
Text_group text_group [ TEXT_STRING_GROUPS ];
Sprite *head_sprite;
WORD tslot_poses[ TEXTMAN_TSLOTS ];
Font *resident_fonts[ MAX_FONTS ];
Font_data milford_font_data = {
MILFT,// graphic type
26, // start of alpha lower
0, // start of alpha upper
52, // start of numeric
65, // comma
64, // stop
62, // exclamation
68, // double quote
137, // apostrophe
73, // dollar
0, // pound
0, // hat
71, // ampersand
74, // asterisk
66, // open bracket
67, // close bracket
69, // plus
70, // minus
72, // hash
63, // question mark
134, // colon
136, // <
135, // >
79, // return
78, // backspace
77, // space
133, // dummy space
2, // x space between characters was 2
46, // y space between characters
75, // slash
// 11,18,// set frame n to width x
134, 6,
0,0,
};
Font_data tiny_font_data = {
TYFNT,// graphic type
0, // start of alpha lower
0, // start of alpha upper
41, // start of numeric
29, // comma
28, // stop
26, // exclamation
32, // double quote
52, // single quote
37, // dollar
0, // pound
0, // hat
0, // ampersand
38, // asterisk
30, // open bracket
31, // close bracket
33, // plus
34, // minus
36, // hash
27, // question mark
53, // colon
0, // <
0, // >
0, // return
0, // backspace
0, // space
51, // dummy space
2, // x space between characters
32, // y space between characters
0, // slash
// 11,18,// set frame n to width x
// 15,24,
0,0,
};
Font_data title_font_data = {
TITFT,// graphic type
26, // start of alpha lower
0, // start of alpha upper
52, // start of numeric
65, // comma
64, // stop
62, // exclamation
68, // double quote
137, //137, // apostrophe
73, // dollar
0, // pound
0, // hat
71, // ampersand
74, // asterisk
66, // open bracket
67, // close bracket
69, // plus
70, // minus
72, // hash
63, // question mark
134, // colon
0, //136, // <
0, //135, // >
79, // return
78, // backspace
77, // space
133, // dummy space
2, // x space between characters was 2
46, // y space between characters
0, // slash
// 11,18,// set frame n to width x
// 134, 6,
0,0,
};
/********************************************************************
* *
* Prototypes *
* *
********************************************************************/
void setup_font_lookup_list ( Font *font );
void init_text_spawner();
void update_text_manager();
void init_fonts()
{
WORD cnt;
for ( cnt=0;cnt < MAX_FONTS; cnt++ )
{
resident_fonts[cnt] = (Font *)0;
}
init_text_spawner();
add_font ( &tiny_font_data, TINY_FONT );
add_font ( &title_font_data, TITLE_FONT );
add_font ( &milford_font_data, MILFORD_FONT );
}
void add_font ( Font_data *font_data, UWORD font_num )
{
Font *font;
resident_fonts[font_num] = allocate_mem ( 0, sizeof ( Font ) );
font = resident_fonts[font_num];
font->font_data = font_data;
setup_font_lookup_list ( font );
// printf("fontdata=%x\n",font->font_data);
}
void setup_font_lookup_list ( Font *font )
{
WORD cnt;
Spr_anim_frame_san *frame;
for ( cnt=0;cnt<255;cnt++ )
font->lookup_list[cnt] = 255;
for ( cnt=0;cnt<26;cnt++ )
{
font->lookup_list[ 'A' + cnt ] = font->font_data->alpha_upper + cnt;
font->lookup_list[ 'a' + cnt ] = font->font_data->alpha_lower + cnt;
}
for ( cnt=0;cnt<10;cnt++ )
{
font->lookup_list[ '0' + cnt ] = font->font_data->numeric + cnt;
}
font->lookup_list[ ',' ] = font->font_data->comma;
font->lookup_list[ '.' ] = font->font_data->stop;
font->lookup_list[ '!' ] = font->font_data->exclamation;
font->lookup_list[ '"' ] = font->font_data->double_quote;
font->lookup_list[ 39 ] = font->font_data->single_quote;
font->lookup_list[ '$' ] = font->font_data->dollar;
font->lookup_list[ 'œ' ] = font->font_data->pound;
font->lookup_list[ '^' ] = font->font_data->hat;
font->lookup_list[ '&' ] = font->font_data->ampersand;
font->lookup_list[ '*' ] = font->font_data->asterisk;
font->lookup_list[ '(' ] = font->font_data->open_bracket;
font->lookup_list[ ')' ] = font->font_data->close_bracket;
font->lookup_list[ '+' ] = font->font_data->plus;
font->lookup_list[ '-' ] = font->font_data->minus;
font->lookup_list[ '#' ] = font->font_data->hash;
font->lookup_list[ '?' ] = font->font_data->question_mark;
font->lookup_list[ ':' ] = font->font_data->colon;
font->lookup_list[ '' ] = font->font_data->backspace; //ascii 27
font->lookup_list[ 'Ù' ] = font->font_data->ret; //ascii 217
font->lookup_list[ 'ð' ] = font->font_data->space; //ascii 240
font->lookup_list[ ' ' ] = font->font_data->dummy_space;
font->lookup_list[ '<' ] = font->font_data->less_than;
font->lookup_list[ '>' ] = font->font_data->greater_than;
font->lookup_list[ '/' ] = font->font_data->slash;
font->lookup_list[ 10 ] = FONT_CR;
font->lookup_list[ 0 ] = FONT_ENDSTRING;
//adjust widths of any chars
cnt=0;
while(1)
{
if ( font->font_data->adjust[ cnt ].wd )
{
frame = get_sprite_frame_addr ( font->font_data->graphic_type );
frame += font->font_data->adjust[cnt].fr;
frame->real_w = font->font_data->adjust[cnt].wd;
// frame->w = 26; //font->font_data->adjust[cnt].wd;
// printf("fr=%d wd=%d\n",font->font_data->adjust[cnt].fr,frame->real_w);
cnt++;
}
else
break;
}
}
//WORD temp_frame_offs[]={ 0,-12,0,-14,-2,-12,0 };
WORD temp_frame_offs[]={ -1,-1,-1,-1,-1,0,0,0,0,0,0,0,0,0,0 };
void init_text_spawner()
{
WORD gr,str;
Text_group *tg;
tg = text_group;
for ( gr=0;gr < TEXT_STRING_GROUPS; gr++ )
{
tg->current_spawned_string = 0;
for ( str=0;str < MAX_TEXT_STRINGS_ACTIVE; str++ )
tg->spawned_strings_list[ str ] = 0;
tg++;
}
}
/*************************************
* *
* Spawn a text string *
* *
* 0,0 = centre of screen *
* *
*************************************/
void spawn_text_string ( Textman_struct *textman )
{
Font *font = resident_fonts[ textman->font_type ];
Spr_anim_frame_san *frame;
UBYTE fr;
WORD base_x;
WORD start_x;
WORD total_sprite_cnt; // total number of sprites spawned
WORD line_sprite_cnt; // sprites spawned on a line
Sprite *sprite_store;
Text_group *tg = &text_group[ textman->spawn_group];
WORD temp;
WORD head_sprite_xoffs,head_sprite_yoffs;
WORD y_adj;
WORD space_chr;
Sprite *new_sprite;
WORD cnt=0;
WORD line_wd;
WORD x = 0; //textman->x;
WORD y = textman->y;
WORD wd;
BYTE *string = &textman->string[0];
// printf("going to spawn '%s'\n",string );
// tlxy , brxy = boxed area occupied by font
// x += SCREEN_UNIT_WD/2;
// y += SCREEN_UNIT_HT/2;
head_sprite_xoffs=0;
head_sprite_yoffs=0;
textman->x1 = 32767;
textman->x2 = -32767;
textman->y1 = 32767;
textman->y2 = -32767;
textman->max_brightness = 120;
textman->depth = NEAREST_DEPTH;
base_x = textman->x;
total_sprite_cnt=0;
line_sprite_cnt=0;
sprite = 0;
while ( 1 )
{
fr = font->lookup_list [ *string ];
if ( fr < 242 )
{
#if DEBUG
if ( sprite->frame == 255 )
display_error ( "unknown font character\n");
#endif
if ( total_sprite_cnt == 0 )
{
spawn_sprite ( font->font_data->graphic_type );
head_sprite = sprite;
sprite->prev = 0; // no sprites before this one , therefore this is the head sprite
frame = sprite->spr_anim_frame_san + fr;
head_sprite_xoffs = frame->xoffs;
head_sprite_yoffs = frame->yoffs;
}
else
{
sprite = spawn_sprite_after ( font->font_data->graphic_type ); // store addr of last sprite spawned in this sprite struct.
frame = sprite->spr_anim_frame_san + fr;
}
sprite->frame = fr;
if ( fr == font->font_data->dummy_space )
{
sprite->display=NO;
}
sprite->gadget = textman->gadget;
if ( textman->font_logic )
sprite->upd_rtn = textman->font_logic;
sprite->x.w.hi = x;
sprite->y.w.hi = y + (frame->yoffs*SCREEN_UNIT_HT)/screen_yres;
sprite->depth = NEAREST_DEPTH;
sprite->transp_rate = -1;
sprite->group_num = textman->spawn_group;
sprite->textman = textman;
x += ((frame->real_w*SCREEN_UNIT_WD)/screen_xres ) + font->font_data->x_gap_size;
temp = sprite->y.w.hi + ((frame->h*SCREEN_UNIT_HT)/screen_yres);
if ( textman->y2 < temp )
textman->y2 = temp;
if ( textman->y1 > sprite->y.w.hi )
textman->y1 = sprite->y.w.hi;
total_sprite_cnt++;
line_sprite_cnt++;
//tail_font_sprite = sprite;
}
else
{
line_wd = x;
if ( (fr == FONT_CR ) || (fr == FONT_ENDSTRING) )
{
if ( textman->justify_type & FONT_XC )
{
//** x = width of line of text **
// adjust every sprite from this one to the beginning
sprite_store = sprite;
// this is the rightmost sprite in the text string
while( line_sprite_cnt )
{
sprite->x.w.hi += base_x - (line_wd/2);
frame = sprite->spr_anim_frame_san + sprite->frame;
temp = sprite->x.w.hi + ((frame->real_w*SCREEN_UNIT_WD)/screen_xres );
if ( textman->x1 >= sprite->x.w.hi )
textman->x1 = sprite->x.w.hi;
if ( temp >= textman->x2 )
textman->x2 = temp;
sprite = sprite->prev;
line_sprite_cnt--;
}
// this is the leftmost sprite in the text string
sprite = sprite_store;
}
if ( textman->justify_type & FONT_RJUST )
{
sprite_store = sprite;
// this is the rightmost sprite in the text string
while( line_sprite_cnt )
{
sprite->x.w.hi += base_x + (SCREEN_UNIT_WD/2) - line_wd;
frame = sprite->spr_anim_frame_san + sprite->frame;
temp = sprite->x.w.hi + ((frame->real_w*SCREEN_UNIT_WD)/screen_xres );
if ( textman->x1 >= sprite->x.w.hi )
textman->x1 = sprite->x.w.hi;
if ( temp >= textman->x2 )
textman->x2 = temp;
sprite = sprite->prev;
line_sprite_cnt--;
}
// this is the leftmost sprite in the text string
sprite = sprite_store;
}
if ( textman->justify_type & FONT_NORMAL )
{
sprite_store = sprite;
// this is the rightmost sprite in the text string
while( line_sprite_cnt )
{
sprite->x.w.hi += base_x;
frame = sprite->spr_anim_frame_san + sprite->frame;
temp = sprite->x.w.hi + ((frame->real_w*SCREEN_UNIT_WD)/screen_xres );
if ( textman->x1 >= sprite->x.w.hi )
textman->x1 = sprite->x.w.hi;
if ( temp >= textman->x2 )
textman->x2 = temp;
sprite = sprite->prev;
line_sprite_cnt--;
}
// this is the leftmost sprite in the text string
sprite = sprite_store;
}
line_sprite_cnt=0;
y += font->font_data->y_gap_size;
x=0;
}
}
string++;
if ( fr == FONT_ENDSTRING )
{
break;
}
cnt++;
}
if ( textman->justify_type & FONT_YC )
{
sprite_store = sprite;
y_adj = (textman->y2-textman->y1)/2;
textman->y1 -= y_adj;
textman->y2 -= y_adj;
while( sprite )
{
sprite->y.w.hi -= y_adj;
sprite = sprite->prev;
}
sprite = sprite_store;
}
}
void unspawn_text_string( Sprite *sprite_ptr )
{
WORD cnt;
POLY_GT4 *poly;
// unspawn all sprites from this sprite to all it's previous sprites
cnt=0;
while(1)
{
sprite_ptr->active = NO;
cnt++;
if ( sprite_ptr->prev == 0)
break;
sprite_ptr = sprite_ptr->prev;
}
}
void unspawn_text_group( WORD spawn_group )
{
Sprite *sprite;
WORD gr;
Text_group *tg = &text_group[spawn_group];
display_error ( "illegal call to unspawn text group" );
while ( tg-> current_spawned_string )
{
tg->current_spawned_string--;
unspawn_text_string ( tg->spawned_strings_list[ tg->current_spawned_string ] );
}
}
void adjust_text_string_pos ( Sprite *sprite, WORD xamount, WORD yamount )
{
while ( 1 )
{
sprite->x.w.hi += xamount;
sprite->y.w.hi += yamount;
if ( (sprite = sprite->prev) == 0 )
break;
}
}
#if 0
void apply_to_sprite_string( Sprite *sprite )
{
Sprite *prev;
prev = sprite;
while ( 1 )
{
prev->upd_rtn = sprite->upd_rtn;
prev->xvel1.l = sprite->xvel1.l;
prev->yvel1.l = sprite->yvel1.l;
prev->timer1 = sprite->timer1;
prev->timer2 = sprite->timer2;
prev->transp_rate = sprite->transp_rate;
prev->tint = sprite->tint;
prev->sequence_num = sprite->sequence_num;
prev->depth = sprite->depth;
prev = sprite->prev;
if ( prev == 0 )
break;
}
}
#endif
void apply_seqnum_to_sprite_string( Sprite *sprite )
{
//Sprite *prev;
WORD num;
num = sprite->sequence_num;
// printf("sprite=%x\n",sprite );
while ( 1 )
{
sprite->sequence_num = num;
sprite = sprite->prev;
if ( sprite == 0 )
break;
}
}
void get_group_sprite ( WORD group )
{
// set SPRITE to first sprite in the chosen group
sprite = text_group [ group ].spawned_strings_list[0];
}
/******************************************************************
*
* Text string manager
*
******************************************************************/
Textman_header textman_header;
void start_text_manager( WORD text_strings )
{
WORD cnt;
add_process ( update_text_manager );
textman_header.max_text_strings = text_strings;
textman_header.text_string_list =
allocate_mem ( 0, sizeof ( Textman_struct ) * text_strings );
for ( cnt=0; cnt< text_strings; cnt++ )
{
textman_header.text_string_list[ cnt ].active = 0;
textman_header.text_string_list[ cnt ].string[0] = 0;
textman_header.text_string_list[ cnt ].tail_sprite = 0;
}
textman_header.slot_cnt=0;
}
void update_text_manager()
{
Textman_struct *text;
WORD cnt = textman_header.max_text_strings;
text = textman_header.text_string_list;
while ( cnt )
{
if ( (text->active) && (text->to_die) )
{
text->active = NO;
sprite = text->tail_sprite;
sprite->sequence_num = FONT_DYING;
apply_seqnum_to_sprite_string ( sprite );
}
text->to_die = YES; // set all strings to_die
cnt--;
text++;
}
}
void set_textman_slot( WORD slot_pos, WORD num_slots )
{
tslot_poses[ slot_pos ] = textman_header.slot_cnt;
textman_header.slot_cnt += num_slots; // reserve this num slots at [slot_pos]
}
void milford_font_logic ( Sprite *sprite )
{
WORD die_speed,spd;
WORD hilite;
Textman_struct *ts = sprite->textman;
WORD dim,hilite_on;
WORD tint, cnt;
/******************
*
* Additive font
*
*******************/
if ( sprite->sequence_num == FONT_DYING )
{
//*** Once a char has been triggered to die, it should no longer be dependant on the textmanager struct that spawned it. ***
if ( sprite->die_speed == 0 )
{
// If die_speed set to 0, font disappears instantly
sprite->display = sprite->active = NO;
return;
}
else
{
sprite->brightness -= sprite->die_speed;
if ( sprite->brightness < 0 )
{
sprite->brightness = 0;
sprite->display = sprite->active = NO;
return;
}
}
}
hilite_on=NO;
sprite->group_num = ts->spawn_group;
if ( sprite->sequence_num == FONT_INIT )
{
sprite->brightness = 0;
sprite->transp_rate = 1;
sprite->sequence_num = FONT_STAGE1;
sprite->xscale = 256;
sprite->timer1 = shell->master_option_active?ts->delay_until_fade_up:0;
sprite->depth = ts->depth;
sprite->die_speed = ts->die_speed;
}
if ( sprite->sequence_num == FONT_STAGE1 )
{
//**** Character is fading up *****
if ( sprite->timer1 )
{
sprite->timer1--;
sprite->brightness=0;
}
else
{
if ( (ts->fade_up_speed == 0) || (shell->master_option_active==NO) )
sprite->brightness = ts->max_brightness;
else
sprite->brightness += ts->fade_up_speed;
if ( sprite->brightness >= ts->max_brightness )
{
sprite->brightness = ts->max_brightness;
sprite->sequence_num++;
}
}
}
if ( sprite->sequence_num == FONT_STAGE2 )
{
//**** Character is at maximum brightness ****
// if ( (flash_counter/6)&1 )
// {
hilite_on=NO;
// }
// else
// {
if ( (sprite->group_num == shell->current_item) || ts->flash_text )
{
hilite_on=YES;
}
// }
if ( hilite_on==YES )
sprite->brightness = ts->max_brightness;
else
sprite->brightness = ts->max_brightness;
}
sprite->tint.r = ( ts->text_color.r * sprite->brightness ) >> 7;
sprite->tint.g = ( ts->text_color.g * sprite->brightness ) >> 7;
sprite->tint.b = ( ts->text_color.b * sprite->brightness ) >> 7;
/** Add a bluey tint to text **/
if ( hilite_on==YES )
{
cnt=14-(flash_counter%14);
if ( cnt>7 ) cnt = 14-cnt;
sprite->tint.r -= 40+(cnt*8);
sprite->tint.g -= 40+(cnt*8);
}
}
void milford_font_logic_sub ( Sprite *sprite )
{
WORD die_speed,spd;
Textman_struct *ts = sprite->textman;
/******************
*
* Additive font
*
*******************/
// check for character deactivated
if ( sprite->sequence_num == FONT_DYING )
{
if ( sprite->textman->die_speed == 0 )
{
// If die_speed set to 0, font disappears instantly
sprite->tint.r = 221;
}
else
{
sprite->tint.g-=sprite->textman->die_speed;
sprite->tint.b-=sprite->textman->die_speed;
sprite->tint.r-=sprite->textman->die_speed;
}
if ( sprite->tint.r > 220 )
{
sprite->tint.r = sprite->tint.g = sprite->tint.b = 0;
sprite->active=NO;
}
}
// character drawn for first time
if ( sprite->sequence_num == FONT_INIT )
{
sprite->tint.r = sprite->tint.g = sprite->tint.b = 16;
sprite->transp_rate = 2;
sprite->sequence_num = FONT_STAGE1;
sprite->xscale = 256;
sprite->timer1=make_random_number(8);
sprite->depth = ts->depth;
}
//** Character fading up **
if ( sprite->sequence_num == FONT_STAGE1 )
{
sprite->tint.r += (6 * frame_update)/2;
if ( sprite->tint.r > sprite->textman->max_brightness )
{
sprite->tint.r = sprite->textman->max_brightness;
sprite->sequence_num = FONT_STAGE2;
}
}
sprite->tint.g = sprite->tint.b = sprite->tint.r;
}