295 lines
11 KiB
C
295 lines
11 KiB
C
// hello_libpad example
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//
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// We're using libpad this time.
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// You can use the classic controller, analog, wheel, gun buttons or mouse
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//
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// Schnappy - 12/2020
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//
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// Based on : ../psyq/addons/scea/CNTRL/PAD.C
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#include <sys/types.h>
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#include <stdio.h>
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#include <libgte.h>
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#include <libetc.h>
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#include <libgpu.h>
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#include <libapi.h>
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#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
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#define SCREENXRES 320
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#define SCREENYRES 240
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#define CENTERX SCREENXRES/2
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#define CENTERY SCREENYRES/2
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#define MARGINX 32 // margins for text display
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#define MARGINY 32
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#define FONTSIZE 8 * 7 // Text Field Height
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#define OTLEN 8 // Ordering Table Length
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DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
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DRAWENV draw[2];
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u_long ot[2][OTLEN]; // double ordering table of length 8 * 32 = 256 bits / 32 bytes
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char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 = 262.144 bits / 32,768 Kbytes
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char *nextpri = primbuff[0]; // pointer to the next primitive in primbuff. Initially, points to the first bit of primbuff[0]
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short db = 0; // index of which buffer is used, values 0, 1
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// Pad stuff
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// Structure for RAW hardware-based light gun position values
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typedef struct
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{
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unsigned short v_count; // Y-axis (vertical scan counter)
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unsigned short h_count; // H-axis (horizontal pixel clock value)
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} Gun_Position;
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// Structure for storing processed controller data
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typedef struct
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{
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int xpos, ypos; // Stored position for sprite(s)
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int xpos2, ypos2; // controlled by this controller.
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unsigned char status; // These 8 values are obtained
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unsigned char type; // directly from the controller
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unsigned char button1; // buffer we installed with InitPAD.
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unsigned char button2;
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unsigned char analog0;
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unsigned char analog1;
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unsigned char analog2;
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unsigned char analog3;
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} Controller_Data;
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// All-purpose controller data buffer
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typedef struct
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{
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unsigned char pad[34]; // 8-bytes w/o Multi-Tap, 34-bytes w/Multi-Tap
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} Controller_Buffer;
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Controller_Buffer controllers[2]; // Buffers for reading controllers
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Controller_Data theControllers[8]; // Processed controller data
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void init(void)
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{
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ResetGraph(0);
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SetDefDispEnv(&disp[0], 0, 0, SCREENXRES, SCREENYRES);
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES);
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SetDefDrawEnv(&draw[1], 0, 0, SCREENXRES, SCREENYRES);
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if (VMODE)
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{
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SetVideoMode(MODE_PAL);
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disp[0].screen.y += 8;
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disp[1].screen.y += 8;
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}
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SetDispMask(1); // Display on screen
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setRGB0(&draw[0], 50, 50, 50);
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setRGB0(&draw[1], 50, 50, 50);
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draw[0].isbg = 1;
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draw[1].isbg = 1;
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PutDispEnv(&disp[db]);
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PutDrawEnv(&draw[db]);
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FntLoad(960, 0);
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FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 );
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}
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void display(void)
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{
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DrawSync(0);
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VSync(0);
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PutDispEnv(&disp[db]);
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PutDrawEnv(&draw[db]);
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DrawOTag(&ot[db][OTLEN - 1]);
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db = !db;
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nextpri = primbuff[db];
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}
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void get_digital_direction( Controller_Data *c, int buttondata ) // get analog stick values
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{
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int i;
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i = ~(buttondata);
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if( i & 0x80 )
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c->xpos -= 1;
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if( i & 0x20 )
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c->xpos += 1;
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if( i & 0x40 )
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c->ypos += 1;
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if( i & 0x10 )
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c->ypos -= 1;
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}
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void read_controller( Controller_Data *c, unsigned char *buf, int port ) // get the raw values from controller
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{
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register int mouse_x, mouse_y, x;
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register Gun_Position *g;
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c->status = buf[0]; // Copy over raw controller data
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c->type = buf[1];
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c->button1 = buf[2];
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c->button2 = buf[3];
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c->analog0 = buf[4];
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c->analog1 = buf[5];
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c->analog2 = buf[6];
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c->analog3 = buf[7];
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if( buf[0] == 0xff ) // If controller returns BAD status then bail on it.
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{
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c->type = 0;
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return;
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}
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// Look at the controller type code & process controller data as indicated
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switch( c->type )
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{
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case 0x12: // Sony Mouse
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mouse_x = buf[4];
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mouse_y = buf[5];
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if( mouse_x & 0x80 )
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mouse_x |= 0xffffff80;
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if( mouse_y & 0x80 )
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mouse_y |= 0xffffff80;
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c->xpos += mouse_x;
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c->ypos += mouse_y;
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break;
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case 0x23: // Namco negCon
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// Steering wheel
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// Sankyo Pachinko controler
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get_digital_direction( c, buf[2] );
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break;
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case 0x53: // Analog 2-stick
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get_digital_direction( c, buf[2] );
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break;
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case 0x41: // Standard Sony PAD controller
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get_digital_direction( c, buf[2] );
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break;
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default: // If don't know what it is, treat it like standard controller
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get_digital_direction( c, buf[2] );
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break;
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}
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}
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int main(void)
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{
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TILE * PADL; // Tile primitives
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TILE * TRIGGERL;
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TILE * PADR;
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TILE * TRIGGERR;
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TILE * START, * SELECT;
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init();
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InitPAD(controllers[0].pad, 34, controllers[1].pad, 34);
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StartPAD();
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while (1)
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{
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read_controller( &theControllers[0], &controllers[0].pad[0], 0 ); // Read controllers
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read_controller( &theControllers[1], &controllers[1].pad[0], 1 );
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ClearOTagR(ot[db], OTLEN);
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// D-cross
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PADL = (TILE *)nextpri;
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setTile(PADL);
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setRGB0(PADL, 80, 180, 255);
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setXY0(PADL, CENTERX - 80, CENTERY);
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setWH(PADL, 24, 24);
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addPrim(ot[db], PADL);
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nextpri += sizeof(TILE);
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// L1+L2
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TRIGGERL = (TILE *)nextpri;
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setTile(TRIGGERL);
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setRGB0(TRIGGERL, 255, 0, 0);
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setXY0(TRIGGERL, CENTERX - 80, CENTERY - 80);
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setWH(TRIGGERL, 24, 24);
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addPrim(ot[db], TRIGGERL);
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nextpri += sizeof(TILE);
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// /\, X, O, []
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PADR = (TILE *)nextpri;
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setTile(PADR);
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setRGB0(PADR, 0, 255, 0);
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setXY0(PADR, CENTERX + 50, CENTERY);
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setWH(PADR, 24, 24);
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addPrim(ot[db], PADR);
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nextpri += sizeof(TILE);
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// R1+R2
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TRIGGERR = (TILE *)nextpri;
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setTile(TRIGGERR);
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setRGB0(TRIGGERR, 255, 0, 255);
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setXY0(TRIGGERR, CENTERX + 50, CENTERY -80);
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setWH(TRIGGERR, 24, 24);
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addPrim(ot[db], TRIGGERR);
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nextpri += sizeof(TILE);
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// START + SELECT
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START = (TILE *)nextpri;
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setTile(START);
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setRGB0(START, 240, 240, 240);
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setXY0(START, CENTERX - 16, CENTERY - 36);
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setWH(START, 24, 24);
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addPrim(ot[db], START);
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nextpri += sizeof(TILE);
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// D-pad
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switch(theControllers[0].button1){
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case 0xDF: // Right
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PADL->x0 = CENTERX - 64;
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break;
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case 0x7F: // Left
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PADL->x0 = CENTERX - 96;
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break;
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case 0xEF: // Up
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PADL->y0 = CENTERY - 16;
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break;
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case 0xBF: // Down
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PADL->y0 = CENTERY + 16;
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break;
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// Start & Select
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case 0xF7:
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START->w = 32; START->h = 32;START->x0 -= 4;START->y0 -= 4; // START
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break;
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case 0xFE: // SELECT
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START->r0 = 0;
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break;
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// Dualshock L3 + R3
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case 0xFD: // L3
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TRIGGERL->w += 10;
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TRIGGERL->h += 10;
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break;
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case 0xFB: //R3
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TRIGGERR->w += 10;
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TRIGGERR->h += 10;
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break;
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}
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// Buttons
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switch(theControllers[0].button2){
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case 0xDF: // ⭘
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PADR->x0 = CENTERX + 66;
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break;
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case 0x7F: // ⬜
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PADR->x0 = CENTERX + 34;
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break;
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case 0xEF: // △
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PADR->y0 = CENTERY - 16;
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break;
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case 0xBF: // ╳
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PADR->y0 = CENTERY + 16;
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break;
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// Shoulder buttons
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case 0xFB: // L1
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TRIGGERL->y0 = CENTERY - 64;
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break;
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case 0xFE: // L2
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TRIGGERL->y0 = CENTERY - 96;
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break;
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case 0xF7: // R1
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TRIGGERR->y0 = CENTERY - 96;
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break;
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case 0xFD: // R2
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TRIGGERR->y0 = CENTERY - 64;
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break;
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// Mouse buttons
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case 0xF4: // Mouse Left click
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PADL->w += 10;
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PADL->h += 10;
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break;
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case 0xF8: // Mouse Right click
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PADL->w -= 10;
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PADL->h -= 10;
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break;
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}
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FntPrint("Hello 2 pads!\n\n");
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FntPrint( "Pad 1 : %02x\nButtons:%02x %02x, Stick:%02x %02x %02x %02x\n",
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theControllers[0].type, // Controller type : 00 == none, 41 == standard, 73 == analog/dualshock, 12 == mouse, 23 == steering wheel, 63 == gun, 53 == analog joystick
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theControllers[0].button1, //
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theControllers[0].button2,
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theControllers[0].analog0,
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theControllers[0].analog1,
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theControllers[0].analog2,
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theControllers[0].analog3 );
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FntPrint( "Pad 2 : %02x\nButtons:%02x %02x, Stick:%02x %02x %02x %02x\n",
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theControllers[1].type, // Controller type : 00 == none, 41 == standard, 73 == analog/dualshock, 12 == mouse, 23 == steering wheel, 63 == gun, 53 == analog joystick
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theControllers[1].button1, //
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theControllers[1].button2,
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theControllers[1].analog0, // R3 horizontal
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theControllers[1].analog1, // R3 vertical
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theControllers[1].analog2, // L3 horizontal
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theControllers[1].analog3 ); // L3 vertical
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FntFlush(-1);
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display();
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}
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return 0;
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}
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