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new WIP Pong example, change window setup API names, multi-layer in SDL

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OctoSpacc
2023-11-08 23:46:18 +01:00
parent 014f3eabab
commit 92e6e2cdb9
14 changed files with 255 additions and 117 deletions
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1
LibMultiSpacc/Examples/Pong/Makefile Normal file
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include ../Common.mk

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LibMultiSpacc/Examples/Pong/Pong.c Normal file
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#include "../../LibMultiSpacc/MultiSpacc.h"
#define AppName "Pong"
bool paused = false;
Uint32 nextTick;
int ballX;
int ballY;
int accelX = 2;
int accelY = 2;
// the Y position of the paddles, measured from the top
int paddleSx;
int paddleDx;
MultiSpacc_SurfaceConfig windowConfig = {0};
MultiSpacc_Window *window;
MultiSpacc_Surface *screen;
MultiSpacc_Surface *background;
MultiSpacc_Surface *tilesImg;
#define BallSize 8
#define TileBall 128
#define TilePaddle 129
#define SpriteBall 0
#define SpritePaddleSx 1
#define SpritePaddleDx 1+4
/*{pal:"nes",layout:"nes"}*/
const char palette[32] = {
0x0F, // screen
0x11,0x30,0x27,0x00, // background 0
0x1c,0x20,0x2c,0x00, // background 1
0x00,0x10,0x20,0x00, // background 2
0x06,0x16,0x26,0x00, // background 3
0x16,0x35,0x24,0x00, // sprite 0
0x00,0x37,0x25,0x00, // sprite 1
0x0d,0x2d,0x3a,0x00, // sprite 2
0x0d,0x27,0x2a, // sprite 3
};
bool MainLoop( void *args )
{
if (!paused)
{
MultiSpacc_BlitLayer( background, screen );
MultiSpacc_Sprite( SpriteBall, ballX, ballY, TileBall, tilesImg, screen );
// TODO: metasprites
MultiSpacc_Sprite( SpritePaddleSx , BallSize, paddleSx , TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleSx+1, BallSize, paddleSx + BallSize, TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleSx+2, BallSize, paddleSx + 2*BallSize, TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleSx+3, BallSize, paddleSx + 3*BallSize, TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleDx , windowConfig.width - 2*BallSize, paddleDx , TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleDx+1, windowConfig.width - 2*BallSize, paddleDx + BallSize, TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleDx+2, windowConfig.width - 2*BallSize, paddleDx + 2*BallSize, TilePaddle, tilesImg, screen );
MultiSpacc_Sprite( SpritePaddleDx+3, windowConfig.width - 2*BallSize, paddleDx + 3*BallSize, TilePaddle, tilesImg, screen );
ballX += accelX;
ballY += accelY;
if( ballX == 0 || ballX == ( windowConfig.width - 8 ) )
{
accelX *= -1;
}
if( ballY == 0 || ballY == ( windowConfig.height - 8 ) )
{
accelY *= -1;
}
}
/* TODO: listen for OS terminate signal */
if( MultiSpacc_CheckKey( MultiSpacc_Key_Pause, 0 ) )
{
if (!paused) paused = true;
else return false;
}
if( !MultiSpacc_WaitUpdateDisplay( window, &nextTick ) )
{
MultiSpacc_PrintDebug("[E] Error Updating Screen.\n");
return false;
}
return true;
}
int main( int argc, char *argv[] )
{
windowConfig.width = 320;
windowConfig.height = 240;
windowConfig.bits = 16;
memcpy( windowConfig.palette, palette, 32 );
window = MultiSpacc_SetWindow( &windowConfig );
screen = MultiSpacc_GetWindowSurface( window );
background = MultiSpacc_CreateSurface( &windowConfig );
if( window == NULL || screen == NULL || background == NULL )
{
MultiSpacc_PrintDebug("[E] Error Initializing Video System.\n");
return -1;
};
MultiSpacc_SetAppTitle( window, AppName );
MultiSpacc_PrintDebug("[I] Ready!\n");
// Bitmap font forked from: <https://github.com/nesdoug/01_Hello/blob/master/Alpha.chr>
// Original copyright (c) 2018 Doug Fraker www.nesdoug.com (MIT)
tilesImg = MultiSpacc_LoadImage( "../CHARS.png", screen, NULL );
if( tilesImg == NULL )
{
return -1;
}
ballX = windowConfig.width/2;
ballY = windowConfig.height/2;
paddleSx = windowConfig.height/2 - 24;
paddleDx = windowConfig.height/2 - 24;
return MultiSpacc_SetMainLoop( MainLoop, NULL );
}