import: audio player skeleton, based on the the joeylib test application
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456
audioplayer/player.c
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456
audioplayer/player.c
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/*
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* JoeyLib Based Example Audio Player
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* Copyright (C) 2020 Scott Duensing <scott@kangaroopunch.com>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <assert.h>
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#define JOEY_MAIN
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#include "joey.h"
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#ifdef JOEY_IIGS
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segment "audioapp";
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#endif
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#ifdef DMALLOC
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#define DMALLOC_FUNC_CHECK
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#include "dmalloc.h"
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#endif
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void help(jlSurfaceT source, jlStnT *stencil, jint16 sx, jint16 sy, jint16 tx, jint16 ty) {
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int mo; // Mask offset
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int x;
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int y;
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byte b; // Mask bit index
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printf("\n");
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mo = ((sy & 0x1f) * 8 * 40) + (sx & 0x3f); // This is in tiles
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printf("Offset: %04x sx: %02x sy: %02x\n", mo, sx, sy);
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for (y=0; y<8; y++) {
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b = 7;
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printf("Byte: %02x ", stencil->pixels[mo]);
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for (x=0; x<4; x++) {
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if ((stencil->pixels[mo] & (1 << b--)) != 0) {
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printf("X");
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} else {
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printf(".");
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}
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if ((stencil->pixels[mo] & (1 << b--)) != 0) {
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printf("X");
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} else {
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printf(".");
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}
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}
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mo += 40;
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printf("\n");
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}
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jlDrawBlit8x8a(source, stencil, sx, sy, tx, ty);
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}
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// Font hacking!
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__attribute__((__format__ (__printf__, 5, 0)))
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void fontPrint(jlImgT *font, jlStnT *stencil, jint16 cx, jint16 cy, const char *what, ...) {
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jint16 x;
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jint16 y;
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jint16 tx;
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jint16 ty;
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jint16 counter;
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char msg[40]; // Very short messages (screen width). Be careful!
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va_list va;
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va_start(va, what);
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vsprintf(msg, what, va);
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va_end(va);
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tx = cx * 8;
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ty = cy * 8;
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for (counter=0; counter<(int)strlen(msg); counter++) {
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x = (msg[counter] % 40) * 8;
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y = (msg[counter] / 40) * 8;
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if (stencil) {
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#ifdef JOEY_PC
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help(jlImgSurfaceGet(font), stencil, x, y, tx, ty);
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#else
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jlDrawBlit8x8a(jlImgSurfaceGet(font), stencil, x, y, tx, ty);
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#endif
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} else {
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jlDrawBlit8x8(jlImgSurfaceGet(font), x, y, tx, ty);
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}
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tx += 8;
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}
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}
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void blitTest(void) {
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jlImgT *font = NULL;
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jlStnT *stencil = NULL;
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jint16 y;
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jint16 x;
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if (!jlImgLoad(font, "font")) jlUtilDie("Unable to load font.img!");
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if (!jlStnLoad(stencil, "font")) jlUtilDie("Unable to load font.stn!");
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jlImgDisplay(font);
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jlDisplayPresent();
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jlKeyWaitForAny();
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jlDrawColorSet(1);
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jlDrawClear();
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jlPaletteSet(15, 15, 15, 15);
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fontPrint(font, NULL, 1, 2, "%s", "Blitting without stencil buffer.");
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fontPrint(font, stencil, 1, 4, "%s", "Blitting with stencil buffer.");
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jlDisplayPresent();
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jlKeyWaitForAny();
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y = 91;
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while (!jlKeyPressed()) {
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for (x=0; x<319-8; x++) {
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jlDrawBlit8x8(jlImgSurfaceGet(font), 8, 0, x, y);
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fontPrint(font, NULL, 1, 6, "Drawing at %d x %d ", x, y);
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jlDisplayPresent();
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jlDrawBlit8x8(jlImgSurfaceGet(font), 0, 0, x, y);
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jlUtilSleep(1);
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if (jlKeyPressed()) {
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break;
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}
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}
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}
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jlKeyRead();
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jlStnFree(stencil);
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jlImgFree(font);
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}
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void exerciseAPI(void) {
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jlImgT *screen = NULL;
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jlDrawColorSet(0);
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jlDrawClear();
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jlDrawColorSet(15);
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jlDrawPixelSet(10, 10);
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assert(jlDrawPixelGet(10, 10) == 15);
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// Should be able to grab the screen twice without allocation issues.
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jlImgCreate(screen);
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jlImgCreate(screen);
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jlImgFree(screen);
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}
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void grid(void) {
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int i;
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jlDrawColorSet(0);
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jlDrawClear();
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jlDrawColorSet(15);
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for (i=0; i<320; i+=8) {
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jlDrawLine(i, 0, i, 199);
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}
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for (i=0; i<200; i+=8) {
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jlDrawLine(0, i, 319, i);
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}
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while (!jlKeyPressed()) {
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jlDisplayPresent();
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}
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jlKeyRead();
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}
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void lineTest(void) {
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jlImgT *kanga = NULL;
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jlImgT *font = NULL;
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jint16 y;
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jint16 phase = 0;
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jint16 x2 = 0;
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jint16 y2 = 0;
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jint16 ox = 0;
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jint16 oy = 0;
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jint16 op = 0;
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jint16 color = 15;
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jint16 nextColor = 1;
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char what[32];
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if (!jlImgLoad(kanga, "kanga")) jlUtilDie("Unable to load kanga.img!");
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if (!jlImgLoad(font, "font")) jlUtilDie("Unable to load font.img!");
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jlImgDisplay(kanga);
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jlDrawColorSet(1);
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jlDrawBox(0, 0, 319, 199);
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//jlSoundMusicPlay("music");
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jlPaletteSet(15, 15, 15, 15);
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strcpy(what, "Left to Right");
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while (!jlKeyPressed()) {
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y = 17;
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fontPrint(font, NULL, 1, y++, "Drawing %s ", what);
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jlDrawColorSet((byte)color);
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if (phase < 2) {
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jlDrawLine(x2, y2, 319-x2, 199-y2);
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} else {
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jlDrawLine(319-x2, 199-y2, x2, y2);
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}
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ox = x2;
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oy = y2;
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op = phase;
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switch (phase) {
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// Left, Y incrementing
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case 0:
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y2++;
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if (y2 == 199) {
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strcpy(what, "Bottom to Top");
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phase = 1;
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}
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break;
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// Bottom, X incrementing
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case 1:
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x2++;
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if (x2 == 319) {
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strcpy(what, "Right to Left");
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phase = 2;
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}
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break;
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// Right, Y decrementing
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case 2:
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y2--;
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if (y2 == 0) {
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strcpy(what, "Top to Bottom");
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phase = 3;
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}
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break;
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// Top, X decrementing
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case 3:
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x2--;
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if (x2 == 0) {
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strcpy(what, "Left to Right");
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phase = 0;
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}
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break;
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}
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jlDisplayPresent();
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jlDrawColorSet((byte)0);
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if (op < 2) {
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jlDrawLine(ox, oy, 319-ox, 199-oy);
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} else {
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jlDrawLine(319-ox, 199-oy, ox, oy);
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}
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color = nextColor;
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nextColor++;
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if (nextColor > 15) {
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nextColor = 1;
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}
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}
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jlKeyRead();
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jlImgFree(font);
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jlImgFree(kanga);
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}
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void musicTest(void) {
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jlImgT *kanga = NULL;
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jlImgT *font = NULL;
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if (!jlImgLoad(kanga, "kanga")) jlUtilDie("Unable to load kanga.img!");
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if (!jlImgLoad(font, "font")) jlUtilDie("Unable to load font.img!");
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jlImgDisplay(kanga);
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jlDisplayPresent();
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jlSoundModPlay("music");
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while (!jlKeyPressed()) {
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fontPrint(font, NULL, 1, 1, "%dx%d %d %d ", jlGameGetAxis(0), jlGameGetAxis(1), jlGameGetButton(0), jlGameGetButton(1));
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jlDisplayPresent();
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}
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jlKeyRead();
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jlSoundModStop();
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jlImgFree(font);
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jlImgFree(kanga);
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}
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void showStencil(void) {
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jlStnT *stencil = NULL;
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jint16 y;
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jint16 x;
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jint16 count;
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juint16 index;
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byte bit;
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if (!jlStnLoad(stencil, "font")) jlUtilDie("Unable to load font.stn!");
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jlDrawColorSet(0);
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jlDrawClear();
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jlDrawColorSet(15);
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// Draw stencil to screen linerally
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index = -1;
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count = 0;
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for (y=0; y<200; y++) {
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for (x=0; x<320; x++) {
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count--;
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if (count < 0) {
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count = 7;
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index++;
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bit = stencil->pixels[index];
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}
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if (bit & (1 << count)) {
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jlDrawPixelSet(x, y);
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}
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}
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jlDisplayPresent();
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}
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jlKeyWaitForAny();
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jlDrawColorSet(0);
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jlDrawClear();
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jlDrawColorSet(15);
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// Draw stencil by pixel location - this fails on the IIgs
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for (y=0; y<200; y++) {
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for (x=0; x<320; x++) {
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index = (y * 320 + x);
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count = 7 - (index % 8);
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index /= 8;
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bit = stencil->pixels[index];
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if (bit & (1 << count)) {
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jlDrawPixelSet(x, y);
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}
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}
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jlDisplayPresent();
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}
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jlKeyWaitForAny();
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}
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void stencilTest(void) {
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jlImgT *kangaI = NULL;
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jlImgT *biffI = NULL;
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jlStnT *biffS = NULL;
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jint16 y;
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jint16 x;
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jint16 i;
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jint16 j;
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if (!jlImgLoad(kangaI, "kanga")) jlUtilDie("Unable to load kanga.img!");
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if (!jlImgLoad(biffI, "biff")) jlUtilDie("Unable to load biff.img!");
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if (!jlStnLoad(biffS, "biff")) jlUtilDie("Unable to load biff.stn!");
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jlImgDisplay(kangaI);
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y = 50;
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while (!jlKeyPressed()) {
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// Draw Biff & grab background
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for (x=0; x<319-32; x++) {
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for (i=0; i<3; i++) {
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for (j=0; j<4; j++) {
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jlDrawSurfaceSet(jlImgSurfaceGet(biffI));
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jlDrawBlit8x8(JOEY_DISPLAY, x + (j * 8), y + (i * 8), j * 8 + 32, i * 8 + 32);
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jlDrawSurfaceSet(JOEY_DISPLAY);
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jlDrawBlit8x8a(jlImgSurfaceGet(biffI), biffS, j * 8, i * 8, x + (j * 8), y + (i * 8));
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}
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}
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jlDisplayPresent();
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// Erase Biff
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for (i=0; i<3; i++) {
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for (j=0; j<4; j++) {
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jlDrawBlit8x8(jlImgSurfaceGet(biffI), j * 8 + 32, i * 8 + 32, x + (j * 8), y + (i * 8));
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}
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}
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// Check for early quit
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if (jlKeyPressed()) {
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break;
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}
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}
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}
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jlKeyRead();
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jlStnFree(biffS);
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jlImgFree(biffI);
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jlImgFree(kangaI);
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}
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void timerTest(void) {
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jlImgT *font = NULL;
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if (!jlImgLoad(font, "font")) jlUtilDie("Unable to load font.img!");
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jlDrawColorSet(0);
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jlDrawClear();
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while (!jlKeyPressed()) {
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fontPrint(font, NULL, 1, 1, "Timer: %d ", jlUtilTimer());
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jlDisplayPresent();
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}
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jlKeyRead();
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jlImgFree(font);
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}
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int main(void) {
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jlUtilStartup("JoeyLib Audio");
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//blitTest();
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//exerciseAPI();
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//grid();
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//lineTest();
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//musicTest();
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//showStencil();
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stencilTest();
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//timerTest();
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jlUtilShutdown();
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}
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