nolibgs_hello_worlds/hello_rsd/hello_rsd.c
2021-07-10 15:55:44 +02:00

155 lines
3.5 KiB
C

#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
#include <kernel.h>
#include <libgs.h>
#include <libapi.h>
#include <malloc.h>
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
#define SCREENXRES 320
#define SCREENYRES 240
#define CENTERX SCREENXRES/2
#define CENTERY SCREENYRES/2
#define MARGINX 0 // margins for text display
#define MARGINY 32
#define FONTSIZE 8 * 7 // Text Field Height
#define OTLEN 8 // Ordering Table Length
DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
DRAWENV draw[2];
u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
char primbuff[2][32768] = {1}; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
short db = 0; // index of which buffer is used, values 0, 1
//~ short BgColor[3] = {0,0,0};
void init(void)
{
ResetGraph(0);
GsInitGraph(320, 240, 0, 0, 0);
// Initialize and setup the GTE : Not needed ?
InitGeom();
SetGeomOffset(0,0);
SetGeomScreen(1);
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
if (VMODE)
{
SetVideoMode(MODE_PAL);
disp[0].screen.y += 8;
disp[1].screen.y += 8;
}
setRGB0(&draw[0], 50, 50, 50);
setRGB0(&draw[1], 50, 50, 50);
draw[0].isbg = 1;
draw[1].isbg = 1;
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
FntLoad(960, 0);
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
}
void display(void)
{
DrawSync(0);
VSync(0);
PutDispEnv(&disp[db]);
PutDrawEnv(&draw[db]);
SetDispMask(1);
DrawOTag(ot[db] + OTLEN - 1);
db = !db;
nextpri = primbuff[db];
}
int main(void)
{
POLY_F4 *poly = {0};
SVECTOR RotVector = {0, 0, 0};
VECTOR MovVector = {CENTERX, CENTERY, 0};
SVECTOR VertPos[4] = {
{-32, -32, 1},
{-32, 32, 1 },
{32, -32, 1 },
{32, 32, 1 }
};
MATRIX PolyMatrix = GsIDMATRIX;
long polydepth;
long polyflag;
init();
while (1)
{
ClearOTagR(ot[db], OTLEN);
poly = (POLY_F4 *)nextpri;
// Set transform matrices for this polygon
RotMatrix(&RotVector, &PolyMatrix);
TransMatrix(&PolyMatrix, &MovVector);
SetRotMatrix(&PolyMatrix);
SetTransMatrix(&PolyMatrix);
setPolyF4(poly);
setRGB0(poly, 255, 0, 255);
//~ setXY4(poly, 0, 0, 0, 32, 32, 0, 32, 32);
RotTransPers4(
&VertPos[0], &VertPos[1], &VertPos[2], &VertPos[3],
(long*)&poly->x0, (long*)&poly->x1, (long*)&poly->x2, (long*)&poly->x3,
&polydepth,
&polyflag
);
RotVector.vz+=16;
addPrim(ot[db], poly);
nextpri += sizeof(POLY_F4);
FntPrint("Hello world !");
FntFlush(-1);
display();
}
return 0;
}