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/* Work in progress example, need to add comments.
*
* Basically a quick little example that showcases C++ classes are
* functioning in PSn00bSDK. - Lameguy64
*
* First written in December 18, 2020.
*
* Changelog:
*
* May 10, 2021 - Variable types updated for psxgpu.h changes.
*
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <psxgte.h>
#include <psxgpu.h>
class GraphClass
{
u_long *_ot[2];
u_char *_pri[2];
u_char *_nextpri;
int _ot_count;
int _db;
DISPENV _disp[2];
DRAWENV _draw[2];
public:
GraphClass( int ot_len = 8, int pri_len = 8192 )
{
_ot[0] = (u_long*)malloc( sizeof(u_long)*ot_len );
_ot[1] = (u_long*)malloc( sizeof(u_long)*ot_len );
_db = 0;
_ot_count = ot_len;
ClearOTagR( _ot[0], _ot_count );
ClearOTagR( _ot[1], _ot_count );
_pri[0] = (u_char*)malloc( pri_len );
_pri[1] = (u_char*)malloc( pri_len );
_nextpri = _pri[0];
printf( "GraphClass::GraphClass: Buffers allocated.\n" );
} /* GraphClass */
virtual ~GraphClass()
{
/* free the OTs and primitive buffers */
free( _ot[0] );
free( _ot[1] );
free( _pri[0] );
free( _pri[1] );
printf( "GraphClass::GraphClass: Buffers freed.\n" );
} /* ~GraphClass */
void SetRes( int w, int h )
{
SetDefDispEnv( &_disp[0], 0, h, w, h );
SetDefDispEnv( &_disp[1], 0, 0, w, h );
SetDefDrawEnv( &_draw[0], 0, 0, w, h );
SetDefDrawEnv( &_draw[1], 0, h, w, h );
setRGB0( &_draw[0], 63, 0, 127 );
_draw[0].isbg = 1;
_draw[0].dtd = 1;
setRGB0( &_draw[1], 63, 0, 127 );
_draw[1].isbg = 1;
_draw[1].dtd = 1;
PutDispEnv( &_disp[0] );
PutDrawEnv( &_draw[0] );
} /* SetRes */
void IncPri( int bytes )
{
_nextpri += bytes;
} /* IncPri */
void SetPri( u_char *ptr )
{
_nextpri = ptr;
} /* SetPri */
u_char *GetNextPri( void )
{
return( _nextpri );
} /* GetNextPri */
u_long *GetOt( void )
{
return( _ot[_db] );
} /* GetOt */
void Display( void )
{
VSync( 0 );
DrawSync( 0 );
SetDispMask( 1 );
_db = !_db;
PutDispEnv( &_disp[_db] );
PutDrawEnv( &_draw[_db] );
DrawOTag( _ot[!_db]+(_ot_count-1) );
ClearOTagR( _ot[_db], _ot_count );
_nextpri = _pri[_db];
} /* Display */
}; /* GraphClass */
GraphClass *otable;
int main( int argc, const char *argv[] )
{
TILE *tile;
ResetGraph( 0 );
otable = new GraphClass();
otable->SetRes( 320, 240 );
while( 1 )
{
tile = (TILE*)otable->GetNextPri();
setTile( tile );
setXY0( tile, 32, 32 );
setWH( tile, 128, 128 );
setRGB0( tile, 255, 255, 0 );
addPrim( otable->GetOt(), tile );
otable->IncPri( sizeof(TILE) );
otable->Display();
}
return( 0 );
} /* main */
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