mirror of
https://github.com/lscharen/iigs-game-engine.git
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118 lines
2.4 KiB
Markdown
118 lines
2.4 KiB
Markdown
---
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layout: page
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style: sample
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---
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```c
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#include <loader.h>
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#include <locator.h>
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#include <memory.h>
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#include <misctool.h>
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#include <types.h>
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#include "gte.h"
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#include "demo_data.h"
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#define TOOLFAIL(string) if (toolerror()) SysFailMgr(toolerror(), "\p" string "\n\r Error Code -> $");
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#define SPRITE_START_TILE 2
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#define SPRITE_SLOT 0
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#define SPRITE_VBUFF (GTE_VBUFF_SPRITE_START+0*GTE_VBUFF_SPRITE_STEP)
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int main (void) {
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Word controlMask;
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Word keyPress;
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Word userId;
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Handle dpHndl;
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Word dpWord;
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Word x = 0, y = 0;
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Word px = 0, py = 0;
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Word sec;
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TLStartUp();
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TOOLFAIL("Unable to start tool locator");
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userId = MMStartUp();
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TOOLFAIL("Unable to start memory manager");
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MTStartUp();
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TOOLFAIL("Unable to start misc tools");
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LoadGTEToolSet(userId);
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dpHndl = NewHandle(0x0200, userId, 0x4015, 0);
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if (dpHndl == NULL) {
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TOOLFAIL("Unable to allocate page 0 memory");
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}
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dpWord = (Word)(*dpHndl);
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if ((dpWord & 0x00FF) != 0x0000) {
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TOOLFAIL("Allocated page 0 memory is not aligned");
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}
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GTEStartUp(dpWord, 0x0000, userId);
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TOOLFAIL("Unable to start GTE");
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GTESetScreenMode(160, 200);
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GTELoadTileSet(tiles);
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GTESetPalette(0, (Pointer)palette);
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GTEFillTileStore(1);
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GTECreateSpriteStamp(GTE_SPRITE_8X8 | SPRITE_START_TILE, SPRITE_VBUFF);
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GTEAddSprite(SPRITE_SLOT, 0, SPRITE_VBUFF, px, py);
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do {
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controlMask = GTEReadControl();
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keyPress = controlMask & 0x007F;
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switch (keyPress) {
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case ' ': // Toggle background
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sec = GTEGetSeconds();
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GTEFillTileStore(1 + (sec & 1));
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break;
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case 'a': if (x > 0) { x--; }
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break;
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case 'd': if (x < 1000) { x++; }
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break;
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case 'w': if (y > 0) { y--; }
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break;
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case 's': if (y < 1000) { y++; }
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break;
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case 'j': if (px > 0) { px--; }
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break;
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case 'l': if (px < 154) { px++; }
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break;
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case 'i': if (py > 0) { py--; }
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break;
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case 'k': if (py < 192) { py++; }
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break;
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}
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GTESetBG0Origin(x, y);
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GTEMoveSprite(SPRITE_SLOT, px, py);
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GTERender(0);
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} while (keyPress != 'q' && keyPress != 'Q');
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GTEShutDown();
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DisposeHandle(dpHndl);
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MTShutDown();
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TOOLFAIL("Unable to shutdown misc tool");
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MMShutDown(userId);
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TOOLFAIL("Unable to shutdown memory manager");
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TLShutDown();
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TOOLFAIL("Unable to shutdown tool locator");
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}
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``` |