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bitmap.cpp
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bitmap.cpp
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/* allegro.h must be on top, don't move it!!!! */
#include <allegro.h>
/* FIXME: I think this can be just #include <winalleg.h> */
#ifdef _WIN32
#define BITMAP dummyBITMAP
#include <windows.h>
#undef BITMAP
#endif
#include "../bitmap.h"
#include "../lit_bitmap.h"
#include "../trans-bitmap.h"
#include <stdarg.h>
#include <vector>
#include <string>
#include <iostream>
#include <math.h>
#include "../funcs.h"
#include <stdio.h>
#include "../load_exception.h"
#include "../memory.h"
#include <sstream>
// #include <fblend.h>
#ifdef _WIN32
#include <winalleg.h>
#define EXTERNAL_VARIABLE __declspec(dllimport)
#else
#define EXTERNAL_VARIABLE
#endif
using namespace std;
#ifndef debug
#define debug cout<<"File: "<<__FILE__<<" Line: "<<__LINE__<<endl;
#endif
static void paintown_draw_sprite_ex16( BITMAP * dst, BITMAP * src, int dx, int dy, int mode, int flip );
static void paintown_light16(BITMAP * dst, const int x, const int y, const int width, const int height, const int start_y, const int focus_alpha, const int edge_alpha, const int focus_color, const int edge_color);
static void paintown_applyTrans16(BITMAP * dst, const int color);
int Bitmap::MaskColor(){
return MASK_COLOR_16;
}
Bitmap * Bitmap::Screen = NULL;
static Bitmap * Scaler = NULL;
static Bitmap * Buffer = NULL;
Bitmap::Bitmap():
own( NULL ),
error( false ){
getData().setBitmap( create_bitmap( 10, 10 ) );
if (! getData().getBitmap()){
error = true;
cerr << "Could not create bitmap!" << endl;
} else {
clear();
own = new int;
*own = 1;
}
}
Bitmap::Bitmap( int x, int y ):
own( NULL ),
error( false ){
if ( x < 1 ){
x = 1;
}
if ( y < 1 ){
y = 1;
}
getData().setBitmap( create_bitmap( x, y ) );
if ( ! getData().getBitmap() ){
error = true;
cerr << "Could not create bitmap!" << endl;
} else {
clear();
own = new int;
*own = 1;
}
}
/* If a BITMAP is given to us, we didn't make it so we don't own it */
Bitmap::Bitmap( BITMAP * who, bool deep_copy ):
own( NULL ),
error( false ){
if ( deep_copy ){
BITMAP * his = who;
getData().setBitmap( create_bitmap( his->w, his->h ) );
if ( ! getData().getBitmap() ){
cout << "Could not create bitmap" << endl;
error = true;
}
::blit( his, getData().getBitmap(), 0, 0, 0, 0, his->w, his->h );
own = new int;
*own = 1;
} else {
getData().setBitmap( who );
own = NULL;
}
}
Bitmap::Bitmap( const char * load_file ):
own( NULL ),
error( false ){
internalLoadFile( load_file );
/*
my_bitmap = load_bitmap( load_file, NULL );
if ( !my_bitmap ){
my_bitmap = create_bitmap( 100, 100 );
clear( my_bitmap );
cout<<"Could not load "<<load_file<<endl;
error = true;
}
own = true;
*/
}
Bitmap::Bitmap( const string & load_file ):
own( NULL ),
error( false ){
internalLoadFile( load_file.c_str() );
}
Bitmap::Bitmap( const char * load_file, int sx, int sy ):
own( NULL ),
error( false ){
path = load_file;
BITMAP * temp = load_bitmap( load_file, NULL );
// my_bitmap = load_bitmap( load_file, NULL );
getData().setBitmap( create_bitmap( sx, sy ) );
// clear( my_bitmap );
if ( !temp || ! getData().getBitmap() ){
cout<<"Could not load "<<load_file<<endl;
error = true;
} else {
clear();
stretch_blit( temp, getData().getBitmap(), 0, 0, temp->w, temp->h, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h );
destroy_bitmap( temp );
}
// own = true;
own = new int;
*own = 1;
}
Bitmap::Bitmap( const char * load_file, int sx, int sy, double accuracy ):
own( NULL ),
error( false ){
path = load_file;
BITMAP * temp = load_bitmap( load_file, NULL );
own = new int;
*own = 1;
if ( !temp ){
cout<<"Could not load "<<load_file<<endl;
getData().setBitmap( create_bitmap( sx, sy ) );
// clear( my_bitmap );
clear();
error = true;
} else {
if ( temp->w > sx || temp->h > sy ){
double bx = temp->w / sx;
double by = temp->h / sy;
double use;
use = bx > by ? bx : by;
int fx = (int)(sx / use);
int fy = (int)(sy / use);
getData().setBitmap( create_bitmap( fx, fy ) );
stretch_blit( temp, getData().getBitmap(), 0, 0, temp->w, temp->h, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h );
destroy_bitmap( temp );
} else getData().setBitmap( temp );
}
// own = true;
}
Bitmap::Bitmap( const Bitmap & copy, int sx, int sy ):
own( NULL ),
error( false ){
path = copy.getPath();
BITMAP * temp = copy.getData().getBitmap();
getData().setBitmap( create_bitmap( sx, sy ) );
if ( ! getData().getBitmap() ){
error = true;
cout << "Could not copy bitmap" << endl;
}
// clear( my_bitmap );
clear();
stretch_blit( temp, getData().getBitmap(), 0, 0, temp->w, temp->h, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h );
// own = true;
// own = copy.own;
own = new int;
*own = 1;
}
Bitmap::Bitmap( const Bitmap & copy, int sx, int sy, double accuracy ):
own( NULL ),
error( false ){
path = copy.getPath();
BITMAP * temp = copy.getData().getBitmap();
own = new int;
*own = 1;
if ( temp->w > sx || temp->h > sy ){
double bx = (double)temp->w / (double)sx;
double by = (double)temp->h / (double)sy;
double use;
use = bx > by ? bx : by;
int fx = (int)(temp->w / use);
int fy = (int)(temp->h / use);
getData().setBitmap( create_bitmap( fx, fy ) );
if ( ! getData().getBitmap() ){
allegro_message("Could not create bitmap\n");
// own = false;
// own = copy.own;
// *own++;
error = true;
return;
}
stretch_blit( temp, getData().getBitmap(), 0, 0, temp->w, temp->h, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h );
// destroy_bitmap( temp );
} else {
getData().setBitmap( create_bitmap( temp->w, temp->h ) );
blit( temp, getData().getBitmap(), 0, 0, 0, 0, temp->w, temp->h );
// own = new int
// own = true;
}
}
Bitmap::Bitmap( const Bitmap & copy, bool deep_copy ):
own( NULL ),
error( false ){
path = copy.getPath();
if ( deep_copy ){
BITMAP * his = copy.getData().getBitmap();
getData().setBitmap( create_bitmap( his->w, his->h ) );
if ( ! getData().getBitmap() ){
cout << "Could not create bitmap" << endl;
error = true;
}
::blit( his, getData().getBitmap(), 0, 0, 0, 0, his->w, his->h );
own = new int;
*own = 1;
} else {
getData().setBitmap( copy.getData().getBitmap() );
// own = false;
own = copy.own;
if ( own ){
*own = *own + 1;
}
}
/*
BITMAP * his = copy.getBitmap();
my_bitmap = create_bitmap( his->w, his->h );
::blit( his, my_bitmap, 0, 0, 0, 0, his->w, his->h );
own = true;
*/
}
Bitmap::Bitmap( const Bitmap & copy, int x, int y, int width, int height ):
own( NULL ),
error( false ){
path = copy.getPath();
BITMAP * his = copy.getData().getBitmap();
if ( x < 0 )
x = 0;
if ( y < 0 )
y = 0;
if ( width > his->w )
width = his->w;
if ( height > his->h )
height = his->h;
getData().setBitmap( create_sub_bitmap( his, x, y, width, height ) );
if ( ! getData().getBitmap() ){
cout<<"Could not create sub-bitmap"<<endl;
getData().setBitmap( create_bitmap( 10, 10 ) );
// clear( my_bitmap );
clear();
}
// own = true;
own = new int;
*own = 1;
}
void Bitmap::internalLoadFile( const char * load_file ){
path = load_file;
getData().setBitmap( load_bitmap( load_file, NULL ) );
if ( ! getData().getBitmap() ){
cout<<"Could not load "<<load_file<<". Using default"<<endl;
getData().setBitmap( create_bitmap( 10, 10 ) );
if ( ! getData().getBitmap() ){
cout<<"Out of memory or Allegro not initialized"<<endl;
error = true;
return;
}
// clear( my_bitmap );
clear();
// cout<<"Could not load "<<load_file<<endl;
error = true;
}
// own = true;
own = new int;
*own = 1;
}
void Bitmap::save( const string & str ){
save_bitmap( str.c_str(), getData().getBitmap(), NULL );
}
Bitmap Bitmap::memoryPCX(unsigned char * const data, const int length, const bool mask){
PACKFILE_VTABLE table = Memory::makeTable();
Memory::memory memory(data, length);
PACKFILE * pack = pack_fopen_vtable(&table, &memory);
/* need to supply a proper palette at some point */
RGB * palette = NULL;
BITMAP * pcx = load_pcx_pf(pack, palette);
if (!pcx){
pack_fclose(pack);
ostringstream out;
out <<"Could not load pcx from memory: " << (void*) data << " length " << length;
throw LoadException(out.str());
}
/* converts 8-bit pcx mask to allegro's mask */
if (mask){
/* warning! 8-bit assumptions */
int colors = 256;
int maskR = (int)data[length - colors*3 + 0];
int maskG = (int)data[length - colors*3 + 1];
int maskB = (int)data[length - colors*3 + 2];
int mask = makeColor(maskR, maskG, maskB);
// printf("mask r %d g %d b %d = %d\n", maskR, maskG, maskB, mask);
if (mask != MaskColor()){
for( int i = 0; i < pcx->h; ++i ){
for( int j = 0; j < pcx->w; ++j ){
/* use getPixel/putPixel? */
int pix = getpixel(pcx,j,i);
if (pix == mask){
putpixel(pcx,j,i, MaskColor());
}
}
}
}
}
Bitmap bitmap(pcx, true);
destroy_bitmap(pcx);
pack_fclose(pack);
return bitmap;
}
void Bitmap::destroyPrivateData(){
destroy_bitmap(getData().getBitmap());
}
int Bitmap::getWidth() const{
return getData().getBitmap()->w;
}
int Bitmap::getHeight() const{
return getData().getBitmap()->h;
}
int Bitmap::getRed( int x ){
return ::getr( x );
}
int Bitmap::getBlue( int x ){
return ::getb( x );
}
int Bitmap::getGreen( int x ){
return ::getg( x );
}
void Bitmap::setClipRect( int x1, int y1, int x2, int y2 ) const {
::set_clip_rect( getData().getBitmap(), x1, y1, x2, y2 );
}
void Bitmap::getClipRect(int & x1, int & y1, int & x2, int & y2) const {
::get_clip_rect(getData().getBitmap(), &x1, &y1, &x2, &y2);
}
/* resize the internal bitmap. not guaranteed to destroy the internal bitmap */
void Bitmap::resize( const int width, const int height ){
/* if internal bitmap is already the proper size, do nothing */
if ( getWidth() == width && getHeight() == height ){
return;
}
BITMAP * b = create_bitmap( width, height );
::stretch_blit( getData().getBitmap(), b, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h, 0, 0, b->w, b->h );
releaseInternalBitmap();
own = new int;
getData().setBitmap( b );
*own = 1;
}
/*
const string & Bitmap::getPath() const{
return path;
}
*/
void Bitmap::debugSelf() const{
cout<<"Bitmap: "<<endl;
cout<<"Self = "<< getData().getBitmap() <<endl;
cout<<"Own = "<< own <<" : "<< *own <<endl;
cout<<"Path = "<<path<<endl;
}
Bitmap & Bitmap::operator=( const Bitmap & copy ){
/*
if ( own ){
(*own)--;
if ( *own == 0 ){
destroy_bitmap( getBitmap() );
delete own;
}
}
*/
releaseInternalBitmap();
path = copy.getPath();
getData().setBitmap( copy.getData().getBitmap() );
// own = false;
own = copy.own;
if ( own )
*own += 1;
return *this;
}
/*
Bitmap::~Bitmap(){
releaseInternalBitmap();
}
*/
void Bitmap::detach(){
/*
if ( own ){
(*own)--;
if ( *own == 0 ){
destroy_bitmap( getBitmap() );
delete own;
}
}
*/
releaseInternalBitmap();
}
/*
BITMAP * Bitmap::getBitmap() const{
return my_bitmap;
}
*/
bool Bitmap::getError(){
return error;
}
/*
int Bitmap::getWidth(){
return my_bitmap->w;
}
int Bitmap::getHeight(){
return my_bitmap->h;
}
*/
void Bitmap::acquire(){
acquire_bitmap( getData().getBitmap() );
}
void Bitmap::release(){
release_bitmap( getData().getBitmap() );
}
void Bitmap::circleFill( int x, int y, int radius, int color ) const{
::circlefill( getData().getBitmap(), x, y, radius, color );
}
void Bitmap::circle( int x, int y, int radius, int color ) const{
::circle( getData().getBitmap(), x, y, radius, color );
}
void Bitmap::line( const int x1, const int y1, const int x2, const int y2, const int color ) const{
::fastline( getData().getBitmap(), x1, y1, x2, y2, color );
}
void Bitmap::floodfill( const int x, const int y, const int color ) const {
::floodfill( getData().getBitmap(), x, y, color );
}
void Bitmap::drawCharacter( const int x, const int y, const int color, const int background, const Bitmap & where ) const {
::draw_character_ex( where.getData().getBitmap(), getData().getBitmap(), x, y, color, background );
}
void Bitmap::transBlender( int r, int g, int b, int a ){
set_trans_blender( r, g, b, a );
}
void Bitmap::multiplyBlender( int r, int g, int b, int a ){
set_multiply_blender( r, g, b, a );
}
void Bitmap::dissolveBlender( int r, int g, int b, int a ){
set_dissolve_blender( r, g, b, a );
}
void Bitmap::addBlender( int r, int g, int b, int a ){
set_add_blender( r, g, b, a );
}
void Bitmap::burnBlender( int r, int g, int b, int a ){
set_burn_blender( r, g, b, a );
}
void Bitmap::colorBlender( int r, int g, int b, int a ){
set_color_blender( r, g, b, a );
}
void Bitmap::differenceBlender( int r, int g, int b, int a ){
set_difference_blender( r, g, b, a );
}
void Bitmap::dodgeBlender( int r, int g, int b, int a ){
set_dodge_blender( r, g, b, a );
}
void Bitmap::hueBlender( int r, int g, int b, int a ){
set_hue_blender( r, g, b, a );
}
void Bitmap::luminanceBlender( int r, int g, int b, int a ){
set_luminance_blender( r, g, b, a );
}
void Bitmap::invertBlender( int r, int g, int b, int a ){
set_invert_blender( r, g, b, a );
}
void Bitmap::screenBlender( int r, int g, int b, int a ){
set_screen_blender( r, g, b, a );
}
void Bitmap::drawingMode( int mode ){
// drawing_mode( DRAW_MODE_TRANS, NULL, 0, 0 );
switch( mode ){
case MODE_TRANS : {
drawing_mode( DRAW_MODE_TRANS, NULL, 0, 0 );
break;
}
case MODE_SOLID : {
drawing_mode( DRAW_MODE_SOLID, NULL, 0, 0 );
break;
}
}
}
int Bitmap::setGraphicsMode( int mode, int width, int height ){
int ok = ::set_gfx_mode(mode, width, height, 0, 0);
if ( ok == 0 ){
if (SCALE_X == 0){
SCALE_X = width;
}
if (SCALE_Y == 0){
SCALE_Y = height;
}
if ( Screen != NULL ){
delete Screen;
Screen = NULL;
}
if ( Scaler != NULL ){
delete Scaler;
Scaler = NULL;
}
if ( Buffer != NULL ){
delete Buffer;
Buffer = NULL;
}
if (width != 0 && height != 0){
Screen = new Bitmap( ::screen );
if ( width != 0 && height != 0 && (width != SCALE_X || height != SCALE_Y) ){
Scaler = new Bitmap(width, height);
Buffer = new Bitmap(SCALE_X, SCALE_Y);
}
}
}
return ok;
}
/*
const int Bitmap::getWidth() const{
return getBitmap()->w;
}
const int Bitmap::getHeight() const{
return getBitmap()->h;
}
*/
int Bitmap::getPixel( const int x, const int y ) const{
if ( x >= 0 && x < getData().getBitmap()->w && y >= 0 && y < getData().getBitmap()->h )
return _getpixel16( getData().getBitmap(), x, y );
return -1;
}
void Bitmap::readLine( vector< int > & vec, int y ){
if ( y >= 0 && y < getData().getBitmap()->h ){
for ( int q = 0; q < getData().getBitmap()->w; q++ ){
// int col = my_bitmap->line[ y ][ q ];
int col = _getpixel16( getData().getBitmap(), q, y );
vec.push_back( col );
}
}
}
int Bitmap::setGfxModeText(){
return setGraphicsMode(GFX_TEXT, 0, 0);
}
int Bitmap::setGfxModeFullscreen(int x, int y){
return setGraphicsMode(GFX_AUTODETECT_FULLSCREEN, x, y);
}
int Bitmap::setGfxModeWindowed(int x, int y){
return setGraphicsMode(GFX_AUTODETECT_WINDOWED, x, y);
}
int Bitmap::makeColor( int r, int g, int b ){
return ::makecol16( r, g, b );
}
int Bitmap::darken( int color, double factor ){
int r = (int)((double)::getr16( color ) / factor);
int g = (int)((double)::getg16( color ) / factor);
int b = (int)((double)::getb16( color ) / factor);
return makeColor( r, g, b );
}
void Bitmap::hsvToRGB( float h, float s, float v, int * r, int * g, int * b ){
::hsv_to_rgb( h, s, v, r, g, b );
}
void Bitmap::rgbToHSV(int r, int g, int b, float * h, float * s, float * v){
::rgb_to_hsv(r, g, b, h, s, v);
}
int Bitmap::addColor( int color1, int color2 ){
return makeColor( getr( color1 ) + getr( color2 ),
getg( color1 ) + getg( color2 ),
getb( color1 ) + getb( color2 ) );
}
void Bitmap::putPixelNormal(int x, int y, int col) const {
BITMAP * dst = getData().getBitmap();
::putpixel(dst, x, y, col);
}
/* FIXME: its pretty slow to keep setting the drawing mode. Either
* 1) dont use translucent putpixel that much or
* 2) somehow cache the drawing mode so that its not reset every time
*/
void TranslucentBitmap::putPixelNormal(int x, int y, int color) const {
drawingMode(MODE_TRANS);
Bitmap::putPixelNormal(x, y, color);
drawingMode(MODE_SOLID);
}
void Bitmap::putPixel( int x, int y, int col ) const{
BITMAP * dst = getData().getBitmap();
if (dst->clip && ((x < dst->cl) || (x >= dst->cr) || (y < dst->ct) || (y >= dst->cb))){
return;
}
if ( x >= 0 && x < getData().getBitmap()->w && y >= 0 && y < getData().getBitmap()->h )
_putpixel16( getData().getBitmap(), x, y, col );
}
/*
void Bitmap::printf( int x, int y, int color, FONT * f, const char * str, ... ) const{
char buf[512];
va_list ap;
va_start(ap, str);
uvszprintf(buf, sizeof(buf), str, ap);
va_end(ap);
textout_ex( getBitmap(), f, buf, x, y, color, -1);
}
void Bitmap::printf( int x, int y, int color, const Font * const f, const char * str, ... ) const{
char buf[512];
va_list ap;
va_start(ap, str);
uvszprintf(buf, sizeof(buf), str, ap);
va_end(ap);
textout_ex( getBitmap(), f->getInternalFont(), buf, x, y, color, -1);
}
void Bitmap::printf( int x, int y, int color, const Font * const f, const string & str ) const{
printf( x, y, color, f, str.c_str() );
}
void Bitmap::printf( int x, int y, int color, const Font & f, const string & str ) const{
printf( x, y, color, &f, str );
}
void Bitmap::printfNormal( int x, int y, int color, const char * str, ... ) const{
char buf[512];
va_list ap;
va_start(ap, str);
uvszprintf(buf, sizeof(buf), str, ap);
va_end(ap);
textout_ex( getBitmap(), font, buf, x, y, color, -1);
}
void Bitmap::printfNormal( int x, int y, int color, const string & str ) const{
printfNormal( x, y, color, "%s", str.c_str() );
}
*/
void Bitmap::triangle( int x1, int y1, int x2, int y2, int x3, int y3, int color ) const{
::triangle( getData().getBitmap(), x1, y1, x2, y2, x3, y3, color );
}
void Bitmap::ellipse( int x, int y, int rx, int ry, int color ) const {
::ellipse( getData().getBitmap(), x, y, rx, ry, color );
}
void Bitmap::ellipseFill( int x, int y, int rx, int ry, int color ) const {
::ellipsefill( getData().getBitmap(), x, y, rx, ry, color );
}
void Bitmap::rectangle( int x1, int y1, int x2, int y2, int color ) const{
::rect( getData().getBitmap(), x1, y1, x2, y2, color );
}
void TranslucentBitmap::rectangle( int x1, int y1, int x2, int y2, int color ) const {
drawingMode(MODE_TRANS);
Bitmap::rectangle(x1, y1, x2, y2, color);
drawingMode(MODE_SOLID);
}
void Bitmap::rectangleFill( int x1, int y1, int x2, int y2, int color ) const{
::rectfill( getData().getBitmap(), x1, y1, x2, y2, color );
}
void TranslucentBitmap::rectangleFill( int x1, int y1, int x2, int y2, int color ) const{
drawingMode(MODE_TRANS);
Bitmap::rectangleFill(x1, y1, x2, y2, color);
drawingMode(MODE_SOLID);
}
/*
int Bitmap::getPixel( int x, int y ){
if ( x >= 0 && x < my_bitmap->w && y >= 0 && y <= my_bitmap->h )
return _getpixel16( my_bitmap, x, y );
return -1;
}
*/
/*
int Bitmap::makeColor( int r, int g, int b ){
return makecol16( r, g, b );
}
*/
void Bitmap::hLine( const int x1, const int y, const int x2, const int color ) const{
::hline( getData().getBitmap(), x1, y, x2, color );
}
void Bitmap::horizontalLine( const int x1, const int y, const int x2, const int color ) const{
this->hLine( x1, y, x2, color );
}
void Bitmap::vLine( const int y1, const int x, const int y2, const int color ) const{
::vline( getData().getBitmap(), x, y1, y2, color );
}
void Bitmap::polygon( const int * verts, const int nverts, const int color ) const{
::polygon( getData().getBitmap(), nverts, verts, color );
}
void Bitmap::arc(const int x, const int y, const double ang1, const double ang2, const int radius, const int color ) const{
::arc( getData().getBitmap(), x, y, ::ftofix(ang1), ::ftofix(ang2), radius, color );
}
/*
void Bitmap::clear(){
this->fill( 0 );
}
*/
void Bitmap::fill( int color ) const{
::clear_to_color( getData().getBitmap(), color );
}
void Bitmap::draw( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_NORMAL, Bitmap::SPRITE_NO_FLIP );
// ::draw_sprite( where.getData().getBitmap(), getBitmap(), x, y );
}
void Bitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_NORMAL, Bitmap::SPRITE_H_FLIP );
// ::draw_sprite_h_flip( where.getBitmap(), getBitmap(), x, y );
}
void Bitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_NORMAL, Bitmap::SPRITE_V_FLIP );
// ::draw_sprite_h_flip( where.getBitmap(), getBitmap(), x, y );
}
void Bitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_NORMAL, Bitmap::SPRITE_V_FLIP | Bitmap::SPRITE_H_FLIP );
}
/*
void Bitmap::drawLit( const int x, const int y, const int level, const Bitmap & where ) const{
::draw_lit_sprite( where.getBitmap(), getBitmap(), x, y, level );
}
*/
void Bitmap::drawTrans( const int x, const int y, const Bitmap & where ) const{
// ::draw_trans_sprite( where.getBitmap(), getBitmap(), x, y );
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_TRANS, Bitmap::SPRITE_NO_FLIP );
}
void Bitmap::drawTransHFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_TRANS, Bitmap::SPRITE_H_FLIP );
}
void Bitmap::drawTransVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_TRANS, Bitmap::SPRITE_V_FLIP );
}
void Bitmap::drawTransHVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_TRANS, Bitmap::SPRITE_V_FLIP | Bitmap::SPRITE_H_FLIP );
}
void Bitmap::drawRotate( const int x, const int y, const int angle, const Bitmap & where ){
::fixed fang = itofix( (360 - angle) % 360 * 256 / 360 );
::rotate_sprite( where.getData().getBitmap(), getData().getBitmap(), x, y, fang );
}
void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const Bitmap & where ){
::fixed fang = ftofix( (double)((360 - angle) % 360) * 256.0 / 360.0 );
::pivot_sprite( where.getData().getBitmap(), getData().getBitmap(), x, y, centerX, centerY, fang );
}
void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const double scale, const Bitmap & where ){
::fixed fscale = ftofix(scale);
::fixed fang = ftofix( (double)((360 - angle) % 360) * 256.0 / 360.0 );
::pivot_scaled_sprite( where.getData().getBitmap(), getData().getBitmap(), x, y, centerX, centerY, fang, fscale );
}
void Bitmap::drawStretched( const int x, const int y, const int new_width, const int new_height, const Bitmap & who ){
BITMAP * bmp = who.getData().getBitmap();
::masked_stretch_blit( getData().getBitmap(), bmp, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h, x,y, new_width, new_height );
}
void Bitmap::light(int x, int y, int width, int height, int start_y, int focus_alpha, int edge_alpha, int focus_color, int edge_color) const {
paintown_light16(getData().getBitmap(), x, y, width, height, start_y, focus_alpha, edge_alpha, focus_color, edge_color);
}
void Bitmap::applyTrans(const int color){
paintown_applyTrans16(getData().getBitmap(), color);
}
void Bitmap::StretchBy2( const Bitmap & where ){
BITMAP * bmp = where.getData().getBitmap();
if ( where.getWidth() == getWidth() && where.getHeight() == getHeight() ){
::blit( getData().getBitmap(), bmp, 0, 0, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h );
return;
}
if ( where.getWidth() != getWidth()*2 ||
where.getHeight() != getHeight()*2 ){
cout<<"Wrong dimensions"<<endl;
cout<<"My: "<< getWidth() << " " << getHeight() << endl;
cout<<"Him: "<<where.getWidth()<< " " << where.getHeight()<<endl;
return;
}
// debug
::stretch_blit( getData().getBitmap(), bmp, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h, 0, 0, bmp->w, bmp->h );
// fblend_2x_stretch( my_bitmap, bmp, 0, 0, 0, 0, my_bitmap->w, my_bitmap->h);
// scale2x_allegro( my_bitmap, bmp, 2 );
// debug
}
void Bitmap::StretchBy4( const Bitmap & where ){
BITMAP * bmp = where.getData().getBitmap();
if ( where.getWidth() != getWidth()*4 ||
where.getHeight() != getHeight()*4 ){
cout<<"Wrong dimensions"<<endl;
cout<<"My: "<< getWidth() << " " << getHeight() << endl;
cout<<"Him: "<<where.getWidth()<< " " << where.getHeight()<<endl;
cout<<"Scaled: "<<getWidth()*4<<" "<< getHeight()*4<<endl;
return;
}
// fblend_2x_stretch( my_bitmap, bmp, 0, 0, 0, 0, my_bitmap->w, my_bitmap->h);
// scale4x_allegro( my_bitmap, bmp, 2 );
::stretch_blit( getData().getBitmap(), bmp, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h, 0, 0, bmp->w, bmp->h );
}
void Bitmap::Stretch( const Bitmap & where ) const {
Stretch( where, 0, 0, getData().getBitmap()->w, getData().getBitmap()->h, 0, 0, where.getData().getBitmap()->w, where.getData().getBitmap()->h );
/*
BITMAP * bmp = where.getBitmap();
::stretch_blit( getBitmap(), bmp, 0, 0, getBitmap()->w, getBitmap()->h, 0, 0, bmp->w, bmp->h );
*/
}
void Bitmap::Stretch( const Bitmap & where, const int sourceX, const int sourceY, const int sourceWidth, const int sourceHeight, const int destX, const int destY, const int destWidth, const int destHeight ) const {
BITMAP * bmp = where.getData().getBitmap();
::stretch_blit( getData().getBitmap(), bmp, sourceX, sourceY, sourceWidth, sourceHeight, destX, destY, destWidth, destHeight );
}
void Bitmap::Blit( const int x, const int y, const Bitmap & where ) const {
BITMAP * bmp = where.getData().getBitmap();
/*
acquire_bitmap( bmp );
acquire_bitmap( my_bitmap );
*/
::blit( getData().getBitmap(), bmp, 0, 0, x, y, getData().getBitmap()->w, getData().getBitmap()->h );
/*
release_bitmap( my_bitmap );
release_bitmap( bmp );
*/
}
void Bitmap::Blit( const int mx, const int my, const int wx, const int wy, const Bitmap & where ) const {
BITMAP * bmp = where.getData().getBitmap();
::blit( getData().getBitmap(), bmp, mx, my, wx, wy, getData().getBitmap()->w, getData().getBitmap()->h );
}
void Bitmap::Blit( const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ) const {
BITMAP * bmp = where.getData().getBitmap();
::blit( getData().getBitmap(), bmp, mx, my, wx, wy, width, height );
}
void Bitmap::BlitMasked( const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ) const {
BITMAP * bmp = where.getData().getBitmap();
::masked_blit( getData().getBitmap(), bmp, mx, my, wx, wy, width, height );
}
void Bitmap::Blit( const Bitmap & where ) const {
this->Blit( 0, 0, where );
}
void Bitmap::BlitToScreen(const int upper_left_x, const int upper_left_y) const {
if ( Scaler == NULL ){
this->Blit( upper_left_x, upper_left_y, *Bitmap::Screen );
} else {
this->Blit( upper_left_x, upper_left_y, *Buffer );
Buffer->Stretch( *Scaler );
Scaler->Blit( 0, 0, 0, 0, *Screen );
}
}
void Bitmap::BlitAreaToScreen(const int upper_left_x, const int upper_left_y) const {
if ( Scaler != NULL ){
double mult_x = (double) Scaler->getWidth() / (double) SCALE_X;
double mult_y = (double) Scaler->getHeight() / (double) SCALE_Y;
int x = (int)(upper_left_x * mult_x);
int y = (int)(upper_left_y * mult_y);
int w = (int)(this->getWidth() * mult_x);
int h = (int)(this->getHeight() * mult_y);
// printf("ux %d uy %d uw %d uh %d. x %d y %d w %d h %d\n", upper_left_x, upper_left_y, getWidth(), getHeight(), x, y, w, h );
this->Stretch( *Scaler, 0, 0, this->getWidth(), this->getHeight(), x, y, w, h );
Bitmap tmp(*Scaler, x, y, w, h );
tmp.Blit( x, y, *Screen );
// Scaler->Blit( x, y, w, h, *Screen );
} else {
this->Blit( upper_left_x, upper_left_y, *Screen );
}
}
void LitBitmap::draw( const int x, const int y, const Bitmap & where ) const {
// ::draw_sprite_ex( where.getBitmap(), getBitmap(), x, y, SPRITE_LIT );
// ::draw_sprite( where.getBitmap(), getBitmap(), x, y );
// Bitmap::draw( x, y, where );
paintown_draw_sprite_ex16( where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_LIT, Bitmap::SPRITE_NO_FLIP );
}
void LitBitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16(where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_LIT, Bitmap::SPRITE_H_FLIP);
}
void LitBitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16(where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_LIT, Bitmap::SPRITE_V_FLIP);
}
void LitBitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
paintown_draw_sprite_ex16(where.getData().getBitmap(), getData().getBitmap(), x, y, Bitmap::SPRITE_LIT, Bitmap::SPRITE_V_FLIP | Bitmap::SPRITE_H_FLIP);
}
/* this function should be in allegro but its not yet so just store it
* here for now
*/
#define PAINTOWN_DLS_BLENDER BLENDER_FUNC
#define PAINTOWN_DTS_BLENDER BLENDER_FUNC
#define PAINTOWN_MAKE_DLS_BLENDER(a) _blender_func16
#define PAINTOWN_MAKE_DTS_BLENDER() _blender_func16
#define PAINTOWN_PIXEL_PTR unsigned short*
#define PAINTOWN_OFFSET_PIXEL_PTR(p,x) ((PAINTOWN_PIXEL_PTR) (p) + (x))
#define PAINTOWN_INC_PIXEL_PTR(p) ((p)++)
#define PAINTOWN_INC_PIXEL_PTR_EX(p,d) ((p) += d)
#define PAINTOWN_GET_MEMORY_PIXEL(p) (*(p))
#define PAINTOWN_IS_SPRITE_MASK(b,c) ((unsigned long) (c) == (unsigned long) (b)->vtable->mask_color)
#define PAINTOWN_DLSX_BLEND(b,n) ((*(b))(_blender_col_16, (n), _blender_alpha))
#define PAINTOWN_GET_PIXEL(p) bmp_read16((uintptr_t) (p))
#define PAINTOWN_DTS_BLEND(b,o,n) ((*(b))((n), (o), _blender_alpha))
#define PAINTOWN_PUT_PIXEL(p,c) bmp_write16((uintptr_t) (p), (c))
#define PAINTOWN_PUT_MEMORY_PIXEL(p,c) (*(p) = (c))
#define PAINTOWN_SET_ALPHA(a) (_blender_alpha = (a))
/* defined at allegro/include/internal/aintern.h:457 */
extern EXTERNAL_VARIABLE BLENDER_FUNC _blender_func16;
/* defined at allegro/include/internal/aintern.h:466 */
extern EXTERNAL_VARIABLE int _blender_col_16;
/* defined at allegro/include/internal/aintern.h:470 */
extern EXTERNAL_VARIABLE int _blender_alpha;
static void paintown_draw_sprite_ex16( BITMAP * dst, BITMAP * src, int dx, int dy, int mode, int flip ){
int x, y, w, h;
int x_dir = 1, y_dir = 1;
int dxbeg, dybeg;
int sxbeg, sybeg;
PAINTOWN_DLS_BLENDER lit_blender;
PAINTOWN_DTS_BLENDER trans_blender;
ASSERT(dst);
ASSERT(src);
if ( flip & Bitmap::SPRITE_V_FLIP ){
y_dir = -1;
}
if ( flip & Bitmap::SPRITE_H_FLIP ){
x_dir = -1;
}
if (dst->clip) {
int tmp;
tmp = dst->cl - dx;
sxbeg = ((tmp < 0) ? 0 : tmp);
dxbeg = sxbeg + dx;
tmp = dst->cr - dx;
w = ((tmp > src->w) ? src->w : tmp) - sxbeg;
if (w <= 0)
return;
if ( flip & Bitmap::SPRITE_H_FLIP ){
/* use backward drawing onto dst */
sxbeg = src->w - (sxbeg + w);
dxbeg += w - 1;
}
tmp = dst->ct - dy;
sybeg = ((tmp < 0) ? 0 : tmp);
dybeg = sybeg + dy;
tmp = dst->cb - dy;
h = ((tmp > src->h) ? src->h : tmp) - sybeg;
if (h <= 0)
return;
if ( flip & Bitmap::SPRITE_V_FLIP ){
/* use backward drawing onto dst */
sybeg = src->h - (sybeg + h);
dybeg += h - 1;
}
} else {
w = src->w;
h = src->h;
sxbeg = 0;
sybeg = 0;
dxbeg = dx;
if ( flip & Bitmap::SPRITE_H_FLIP ){
dxbeg = dx + w - 1;
}
dybeg = dy;
if ( flip & Bitmap::SPRITE_V_FLIP ){
dybeg = dy + h - 1;
}
}
lit_blender = PAINTOWN_MAKE_DLS_BLENDER(0);
trans_blender = PAINTOWN_MAKE_DTS_BLENDER();
if (dst->id & (BMP_ID_VIDEO | BMP_ID_SYSTEM)) {
bmp_select(dst);
#if 0
switch (mode){
case Bitmap::SPRITE_NORMAL : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
PAINTOWN_PUT_PIXEL(d, c);
}
}
}
break;
}
case Bitmap::SPRITE_LIT : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
PAINTOWN_PUT_PIXEL(d, c);
}
}
}
break;
}
case Bitmap::SPRITE_TRANS : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
PAINTOWN_PUT_PIXEL(d, c);
}
}
}
break;
}
}
#endif
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
/* flipped if y_dir is -1 */
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
/* d is incremented by x_dir, -1 if flipped */
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
switch( mode ){
case Bitmap::SPRITE_NORMAL : break;
case Bitmap::SPRITE_LIT : {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
break;
}
case Bitmap::SPRITE_TRANS : {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
break;
}
}
PAINTOWN_PUT_PIXEL(d, c);
}
}
}
bmp_unwrite_line(dst);
}
else {
switch (mode){
case Bitmap::SPRITE_NORMAL : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
break;
}
case Bitmap::SPRITE_LIT : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
break;
}
case Bitmap::SPRITE_TRANS : {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
break;
}
}
#if 0
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
switch( mode ){
case Bitmap::SPRITE_NORMAL : break;
case Bitmap::SPRITE_LIT : {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
break;
}
case Bitmap::SPRITE_TRANS : {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
break;
}
}
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
#endif
}
}
/* mix pixels with the given color in with each non-masking pixel in dst */
static void paintown_applyTrans16(BITMAP * dst, const int color){
int y1 = 0;
int y2 = dst->h;
int x1 = 0;
int x2 = dst->w - 1;
if (dst->clip){
y1 = dst->ct;
y2 = dst->cb - 1;
x1 = dst->cl;
x2 = dst->cr - 1;
}
PAINTOWN_DTS_BLENDER trans_blender;
trans_blender = PAINTOWN_MAKE_DTS_BLENDER();
if (dst->id & (BMP_ID_VIDEO | BMP_ID_SYSTEM)) {
} else {
for (int y = y1; y < y2; y++) {
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, y), x1);
for (int x = x2; x >= x1; PAINTOWN_INC_PIXEL_PTR_EX(d,1), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(d);
if (!PAINTOWN_IS_SPRITE_MASK(dst, c)) {
c = PAINTOWN_DTS_BLEND(trans_blender, color, c);
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
}
}
/* ultra special-case for drawing a light (like from a lamp).
* center of light is x,y and shines in a perfect isosolese triangle.
*/
static void paintown_light16(BITMAP * dst, const int x, const int y, const int width, const int height, const int start_y, const int focus_alpha, const int edge_alpha, const int focus_color, const int edge_color){
int dxbeg = x - width;
int x_dir = 1;
unsigned char * alphas = new unsigned char[width];
int * colors = new int[width];
for (int i = 0; i < width; i++){
alphas[i] = (unsigned char)((double)(edge_alpha - focus_alpha) * (double)i / (double)width + focus_alpha);
}
Util::blend_palette(colors, width, focus_color, edge_color);
int min_y, max_y, min_x, max_x;
if (dst->clip){
min_y = dst->ct;
max_y = dst->cb - 1;
min_x = dst->cl;
max_x = dst->cr - 1;
} else {
min_y = y < 0 ? 0 : y;
max_y = dst->h - 1;
min_x = (x-width) < 0 ? 0 : x-width;
max_x = (x+width) > dst->w-1 ? dst->w-1 : x+width;
}
int dybeg = y;
/* tan(theta) = y / x */
double xtan = (double) height / (double) width;
PAINTOWN_DTS_BLENDER trans_blender;
trans_blender = PAINTOWN_MAKE_DTS_BLENDER();
if (dst->id & (BMP_ID_VIDEO | BMP_ID_SYSTEM)) {
} else {
for (int sy = start_y; sy < height; sy++) {
if (dybeg + sy < min_y || dybeg + sy > max_y){
continue;
}
/* x = y / tan(theta) */
int top_width = (int)((double) sy / xtan);
if (top_width == 0){
continue;
}
dxbeg = x - top_width;
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + sy), dxbeg);
for (int sx = -top_width; sx <= top_width; PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), sx++) {
if (sx + x < min_x || sx + x > max_x){
continue;
}
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(d);
/* TODO:
* converting to a double and calling fabs is overkill, just
* write an integer abs() function.
*/
int sx_abs = (int) fabs((double) sx);
PAINTOWN_SET_ALPHA(alphas[sx_abs]);
int color = colors[sx_abs];
c = PAINTOWN_DTS_BLEND(trans_blender, c, color);
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
delete[] alphas;
delete[] colors;
}
/* there is a bug in this function that causes memory corruption. if that bug
* is ever found then use this method, otherwise don't use it.
*/
static void paintown_draw_sprite_ex16_old( BITMAP * dst, BITMAP * src, int dx, int dy, int mode, int flip ){
int x, y, w, h;
int x_dir = 1, y_dir = 1;
int dxbeg, dybeg;
int sxbeg, sybeg;
PAINTOWN_DLS_BLENDER lit_blender;
PAINTOWN_DTS_BLENDER trans_blender;
ASSERT(dst);
ASSERT(src);
if ( flip & Bitmap::SPRITE_V_FLIP ){
y_dir = -1;
}
if ( flip & Bitmap::SPRITE_H_FLIP ){
x_dir = -1;
}
if (dst->clip) {
int tmp;
tmp = dst->cl - dx;
sxbeg = ((tmp < 0) ? 0 : tmp);
dxbeg = sxbeg + dx;
tmp = dst->cr - dx;
w = ((tmp > src->w) ? src->w : tmp) - sxbeg;
if (w <= 0)
return;
if ( flip & Bitmap::SPRITE_H_FLIP ){
/* use backward drawing onto dst */
sxbeg = src->w - (sxbeg + w);
dxbeg += w - 1;
}
tmp = dst->ct - dy;
sybeg = ((tmp < 0) ? 0 : tmp);
dybeg = sybeg + dy;
tmp = dst->cb - dy;
h = ((tmp > src->h) ? src->h : tmp) - sybeg;
if (h <= 0)
return;
if ( flip & Bitmap::SPRITE_V_FLIP ){
/* use backward drawing onto dst */
sybeg = src->h - (sybeg + h);
dybeg += h - 1;
}
} else {
w = src->w;
h = src->h;
sxbeg = 0;
sybeg = 0;
dxbeg = dx;
if ( flip & Bitmap::SPRITE_H_FLIP ){
dxbeg = dx + w - 1;
}
dybeg = dy;
if ( flip & Bitmap::SPRITE_V_FLIP ){
dybeg = dy + h - 1;
}
}
lit_blender = PAINTOWN_MAKE_DLS_BLENDER(0);
trans_blender = PAINTOWN_MAKE_DTS_BLENDER();
if (dst->id & (BMP_ID_VIDEO | BMP_ID_SYSTEM)) {
bmp_select(dst);
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
/* flipped if y_dir is -1 */
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
/* d is incremented by x_dir, -1 if flipped */
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
switch( mode ){
case Bitmap::SPRITE_NORMAL : break;
case Bitmap::SPRITE_LIT : {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
break;
}
case Bitmap::SPRITE_TRANS : {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
break;
}
}
PAINTOWN_PUT_PIXEL(d, c);
}
}
}
bmp_unwrite_line(dst);
}
else {
for (y = 0; y < h; y++) {
PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
switch( mode ){
case Bitmap::SPRITE_NORMAL : break;
case Bitmap::SPRITE_LIT : {
c = PAINTOWN_DLSX_BLEND(lit_blender, c);
break;
}
case Bitmap::SPRITE_TRANS : {
c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
break;
}
}
PAINTOWN_PUT_MEMORY_PIXEL(d, c);
}
}
}
}
}

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