Remove unfinished business
This commit is contained in:
parent
bd94aa6d92
commit
2a0348b88b
@ -1,222 +0,0 @@
|
||||
// Hello poly subdiv ! Inline / DMPSX version
|
||||
//
|
||||
// Ref : /psyq/DOCS/Devrefs/Inlinref.pdf, p.18
|
||||
// https://psx-spx.consoledev.net/geometrytransformationenginegte/
|
||||
// PSX / Z+
|
||||
// screen /
|
||||
//coordinate +-----X+
|
||||
//system / |
|
||||
// eye | Y+
|
||||
//
|
||||
// Credits, thanks : Nicolas Noble, Sickle, Lameguy64 @ psxdev discord : https://discord.com/invite/N2mmwp
|
||||
// https://discord.com/channels/642647820683444236/663664210525290507/834831466100949002
|
||||
// Schnappy 07-2021
|
||||
#include <sys/types.h>
|
||||
#include <stdio.h>
|
||||
#include <libetc.h>
|
||||
#include <libgte.h>
|
||||
#include <libgpu.h>
|
||||
// OldWorld PsyQ has a inline_c.h file for inline GTE functions. We have to use the one at https://github.com/grumpycoders/pcsx-redux/blob/07f9b02d1dbb68f57a9f5b9773041813c55a4913/src/mips/psyq/include/inline_n.h
|
||||
// because the real GTE commands are needed in nugget : https://psx-spx.consoledev.net/geometrytransformationenginegte/#gte-coordinate-calculation-commands
|
||||
#include <inline_n.h>
|
||||
//~ #include <gtemac.h> // gtemac contains macro versions of the libgte functions, worth checking out to see the operations order.
|
||||
|
||||
#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
|
||||
#define SCREENXRES 320 // Screen width
|
||||
#define SCREENYRES 240 + (VMODE << 4) // Screen height : If VMODE is 0 = 240, if VMODE is 1 = 256
|
||||
#define CENTERX ( SCREENXRES >> 1 ) // Center of screen on x
|
||||
#define CENTERY ( SCREENYRES >> 1 ) // Center of screen on y
|
||||
#define MARGINX 0 // margins for text display
|
||||
#define MARGINY 32
|
||||
#define FONTSIZE 8 * 7 // Text Field Height
|
||||
#define OTLEN 10 // 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]; // 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 subdiv = 1;
|
||||
|
||||
void init(void)
|
||||
{
|
||||
ResetGraph(0);
|
||||
// Initialize and setup the GTE
|
||||
InitGeom();
|
||||
//~ SetGeomOffset(CENTERX,CENTERY);
|
||||
gte_SetGeomOffset(CENTERX,CENTERY);
|
||||
gte_SetGeomScreen(CENTERX);
|
||||
// Set display environment
|
||||
SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
|
||||
SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
|
||||
// Set draw environment
|
||||
SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
|
||||
SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
|
||||
// If PAL, use 320x256, hence 256 - 240 = 16 / 2 = 8 px vertical offset
|
||||
if (VMODE) SetVideoMode(MODE_PAL);
|
||||
SetDispMask(1);
|
||||
// Set background color
|
||||
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)
|
||||
{
|
||||
// Wait for drawing
|
||||
DrawSync(0);
|
||||
// Wait for vsync
|
||||
VSync(0);
|
||||
// Flip DISP and DRAW env
|
||||
PutDispEnv(&disp[db]);
|
||||
PutDrawEnv(&draw[db]);
|
||||
DrawOTag(&ot[db][OTLEN - 1]);
|
||||
// Flip db index
|
||||
db = !db;
|
||||
// Get next primitive in buffer
|
||||
nextpri = primbuff[db];
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
long p, flag, OTz;
|
||||
SVECTOR rotVector = {0};
|
||||
SVECTOR rotVector4 = {0}; // Initialize rotation vector {x, y, z}
|
||||
VECTOR transVector = {0, 0, CENTERX, 0}; // Initialize translation vector {x, y, z}
|
||||
SVECTOR vertPos[4] = { // 0 ______ 1
|
||||
{ -64, -32, 0, 0 }, // Vert 1 | |
|
||||
{ 32, -32, 0, 0 }, // Vert 2 | _______|
|
||||
{ -32, 48, 0, 0 }, // 2 3
|
||||
{ 22, 50, 0, 0 }
|
||||
}; // Vert 3
|
||||
MATRIX workMatrix = {0};
|
||||
POLY_F4 * poly = {0}; // pointer to a POLY_F4
|
||||
POLY_F4 * poly4 = {0}; // pointer to a POLY_F4
|
||||
POLY_F4 * polySub[4] = {0}; // pointer to a POLY_F4
|
||||
init();
|
||||
while (1)
|
||||
{
|
||||
// Set Ordering table
|
||||
ClearOTagR(ot[db], OTLEN);
|
||||
rotVector.vz += 4;
|
||||
// Find rotation matrix from vector, store in
|
||||
RotMatrix_gte(&rotVector, &workMatrix);
|
||||
// Ditto for translation
|
||||
TransMatrix(&workMatrix, &transVector);
|
||||
// Set the matrices we just found
|
||||
gte_SetRotMatrix(&workMatrix);
|
||||
gte_SetTransMatrix(&workMatrix);
|
||||
|
||||
poly4 = (POLY_F4 *)nextpri;
|
||||
nextpri += sizeof(POLY_F4); // increment nextpri address with size of a POLY_F3 struct
|
||||
|
||||
polySub[0] = (POLY_F4 *)nextpri;
|
||||
nextpri += sizeof(POLY_F4);
|
||||
polySub[1] = (POLY_F4 *)nextpri;
|
||||
nextpri += sizeof(POLY_F4);
|
||||
polySub[2] = (POLY_F4 *)nextpri;
|
||||
nextpri += sizeof(POLY_F4);
|
||||
polySub[3] = (POLY_F4 *)nextpri;
|
||||
|
||||
polySub[0]->x0 = poly4->x0;
|
||||
polySub[0]->y0 = poly4->y0;
|
||||
|
||||
polySub[0]->x1 = (poly4->x0 + poly4->x1) >> 1;
|
||||
polySub[0]->y1 = (poly4->y0 + poly4->y1) >> 1;
|
||||
|
||||
polySub[0]->x2 = (poly4->x0 + poly4->x2) >> 1;
|
||||
polySub[0]->y2 = (poly4->y0 + poly4->y2) >> 1;
|
||||
|
||||
polySub[0]->x3 = (poly4->x0 + poly4->x3) >> 1;
|
||||
polySub[0]->y3 = (poly4->y0 + poly4->y3) >> 1;
|
||||
|
||||
|
||||
polySub[1]->x0 = polySub[0]->x1;
|
||||
polySub[1]->y0 = polySub[0]->y1;
|
||||
|
||||
polySub[1]->x1 = poly4->x1;
|
||||
polySub[1]->y1 = poly4->y1;
|
||||
|
||||
polySub[1]->x2 = polySub[0]->x3;
|
||||
polySub[1]->y2 = polySub[0]->y3;
|
||||
|
||||
polySub[1]->x3 = (poly4->x1 + poly4->x3) >> 1;
|
||||
polySub[1]->y3 = (poly4->y1 + poly4->y3) >> 1;
|
||||
|
||||
polySub[2]->x0 = polySub[0]->x2;
|
||||
polySub[2]->y0 = polySub[0]->y2;
|
||||
|
||||
polySub[2]->x1 = polySub[0]->x3;
|
||||
polySub[2]->y1 = polySub[0]->y3;
|
||||
|
||||
polySub[2]->x2 = poly4->x2;
|
||||
polySub[2]->y2 = poly4->y2;
|
||||
|
||||
polySub[2]->x3 = (poly4->x2 + poly4->x3) >> 1;
|
||||
polySub[2]->y3 = (poly4->y2 + poly4->y3) >> 1;
|
||||
|
||||
polySub[3]->x0 = polySub[0]->x3;
|
||||
polySub[3]->y0 = polySub[0]->y3;
|
||||
|
||||
polySub[3]->x1 = polySub[1]->x3;
|
||||
polySub[3]->y1 = polySub[1]->y3;
|
||||
|
||||
polySub[3]->x2 = polySub[2]->x3;
|
||||
polySub[3]->y2 = polySub[2]->y3;
|
||||
|
||||
polySub[3]->x3 = poly4->x3;
|
||||
polySub[3]->y3 = poly4->y3;
|
||||
|
||||
// Draw a Quad
|
||||
|
||||
// Transform 3 first vertices
|
||||
gte_ldv3(&vertPos[0], &vertPos[1], &vertPos[2]);
|
||||
gte_rtpt();
|
||||
gte_stsxy3_f4(poly4);
|
||||
// Transform remaining vertex
|
||||
gte_ldv0(&vertPos[3]);
|
||||
gte_rtps();
|
||||
// SXY3 is set with gte_stsxy() or gte_stsxy2() ¯\_(ツ)_/¯
|
||||
gte_stsxy(&poly4->x3);
|
||||
// Get p, flag and OTz
|
||||
gte_stdp(&p);
|
||||
gte_stflg(&flag);
|
||||
gte_stszotz(&OTz);
|
||||
|
||||
if ( subdiv == 0){
|
||||
setPolyF4(poly4);
|
||||
setRGB0(poly4, 0, 255, 255);
|
||||
addPrim(ot[db], poly4);
|
||||
} else {
|
||||
setPolyF4(polySub[0]);
|
||||
setRGB0(polySub[0], 255, 0, 255);
|
||||
addPrim(ot[db], polySub[0]);
|
||||
|
||||
setPolyF4(polySub[1]);
|
||||
setRGB0(polySub[1], 128, 0, 255);
|
||||
addPrim(ot[db], polySub[1]);
|
||||
|
||||
setPolyF4(polySub[2]);
|
||||
setRGB0(polySub[2], 0, 128, 255);
|
||||
addPrim(ot[db], polySub[2]);
|
||||
|
||||
setPolyF4(polySub[3]);
|
||||
setRGB0(polySub[3], 100, 255, 0);
|
||||
addPrim(ot[db], polySub[3]);
|
||||
}
|
||||
|
||||
// Display text
|
||||
FntPrint("Hello poly subdiv !\n");
|
||||
FntFlush(-1);
|
||||
|
||||
display();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user