113 lines
4.3 KiB
C
113 lines
4.3 KiB
C
// Using the strplay library.
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// Schnappy 07-2021
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// based on Lameguy64 strplay library : http://www.psxdev.net/forum/viewtopic.php?t=507
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// Original PsyQ sample code : /psyq/addons/cd/MOVIE
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// Video to STR conversion : https://github.com/ABelliqueux/nolibgs_hello_worlds/wiki/STR
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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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// CD library
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#include <libcd.h>
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// CODEC library
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#include <libpress.h>
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// include Lameguy64's library
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#include "strplay.c"
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#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
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#define TRUECOL 1 // 0 : 16bpp, 1: 24bpp
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#define SCREENXRES 320 // Screen width
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#define SCREENYRES 240 + (VMODE << 4) // Screen height : If VMODE is 0 = 240, if VMODE is 1 = 256
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#define CENTERX SCREENXRES/2 // Center of screen on x
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#define CENTERY SCREENYRES/2 // Center of screen on y
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#define MARGINX 8 // margins for text display
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#define MARGINY 16
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#define FONTSIZE 8 * 7 // Text Field Height
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DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
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DRAWENV draw[2];
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short db = 0; // index of which buffer is used, values 0, 1
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STRFILE StrFile[] = {
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// File name Resolution Frame count
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"\\COPY.STR;1", 320, 240, 893
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};
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// When using RGB24, a special routine has to be setup as a callback function to avoid MDEC/CDROM conflict
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// See http://psx.arthus.net/sdk/Psy-Q/DOCS/LibRef47.pdf , p.713
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static void strCheckRGB24();
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void init(void)
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{
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ResetCallback();
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ResetGraph(0); // Initialize drawing engine with a complete reset (0)
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SetDefDispEnv(&disp[0], 0, 0 , SCREENXRES, SCREENYRES); // Set display area for both &disp[0] and &disp[1]
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES); // &disp[0] is on top of &disp[1]
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SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES); // Set draw for both &draw[0] and &draw[1]
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SetDefDrawEnv(&draw[1], 0, 0 , SCREENXRES, SCREENYRES); // &draw[0] is below &draw[1]
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// Set video mode
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#if VMODE
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SetVideoMode(MODE_PAL);
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disp[0].disp.y = 8;
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disp[1].disp.y = 8;
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#endif
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SetDispMask(1); // Display on screen
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setRGB0(&draw[0], 155, 0, 150); // set color for first draw area
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setRGB0(&draw[1], 155, 0, 150); // set color for second draw area
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draw[0].isbg = 0; // set mask for draw areas. 1 means repainting the area with the RGB color each frame
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draw[1].isbg = 0;
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#if TRUECOL
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disp[0].isrgb24 = 1;
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disp[1].isrgb24 = 1;
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#endif
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PutDispEnv(&disp[db]); // set the disp and draw environnments
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PutDrawEnv(&draw[db]);
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FntLoad(960, 0); // Load font to vram at 960,0(+128)
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FntOpen(MARGINX, MARGINY, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 ); // FntOpen(x, y, width, height, black_bg, max. nbr. chars
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}
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void display(void)
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{
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DrawSync(0); // Wait for all drawing to terminate
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VSync(0); // Wait for the next vertical blank
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PutDispEnv(&disp[db]); // set alternate disp and draw environnments
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PutDrawEnv(&draw[db]);
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db = !db; // flip db value (0 or 1)
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}
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void main() {
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// Reset and initialize stuff
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init();
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CdInit();
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PadInit(0);
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// Play the video in loop
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while (1) {
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if (PlayStr(320, 240, 0, 0, &StrFile[0]) == 0) // If player presses Start
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break; // Exit the loop
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}
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}
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static void strCheckRGB24() {
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/* From http://psx.arthus.net/sdk/Psy-Q/DOCS/, p.713
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* When playing a movie in 24-bit mode, there is a potential hardware conflict between the CD subsystem
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* and the MDEC image decompression system which can result in corrupted data. To avoid this,
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* StCdInterrupt() may defer transferring a sector and instead set a flag variable called StCdInterFlag to
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* indicate that a CD sector is ready to be transferred. Once the MDEC is finished transferring data, your
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* application should check StCdIntrFlag and call StCdInterrupt() directly if it is set.
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*/
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#if TRUECOL
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extern u_long StCdIntrFlag;
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// If flag was set
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if ( StCdIntrFlag ) {
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// Trigger data transfer
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StCdInterrupt();
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// Reset flag
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StCdIntrFlag = 0;
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}
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#endif
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}
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