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Add sprites

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This commit is contained in:
Miloslav Číž 2018-09-12 12:21:03 +02:00
parent c25fdd486b
commit 7ddebc7b38
1 changed files with 18 additions and 15 deletions
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33
testSDL.c
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@ -776,8 +776,8 @@ Unit ceilingHeightAt(int16_t x, int16_t y)
*/ */
void drawSpriteSquare(const unsigned char *sprite, int16_t x, int16_t y, Unit depth, int16_t size) void drawSpriteSquare(const unsigned char *sprite, int16_t x, int16_t y, Unit depth, int16_t size)
{ {
if (size < 0 || size > 200 || // let's not mess up with the incoming array if (size < 0 || size > 512 || // let's not mess up with the incoming array
sprite[0] != sprite[1]) // only draw square sprites sprite[0] != sprite[1]) // only draw square sprites
return; return;
int16_t samplingIndices[size]; int16_t samplingIndices[size];
@ -794,8 +794,8 @@ void drawSpriteSquare(const unsigned char *sprite, int16_t x, int16_t y, Unit de
uint8_t c; uint8_t c;
int16_t jTo = size - max(0,y + size - 88); int16_t jTo = size - max(0,y + size - SCREEN_HEIGHT);
int16_t iTo = size - max(0,x + size - 110); int16_t iTo = size - max(0,x + size - SCREEN_WIDTH);
for (Unit i = max(-1 * x,0); i < iTo; ++i) for (Unit i = max(-1 * x,0); i < iTo; ++i)
{ {
@ -811,7 +811,10 @@ void drawSpriteSquare(const unsigned char *sprite, int16_t x, int16_t y, Unit de
c = sprite[columnLocation + samplingIndices[j]]; c = sprite[columnLocation + samplingIndices[j]];
if (c != TRANSPARENT_COLOR) if (c != TRANSPARENT_COLOR)
pixels[j * SCREEN_WIDTH + i] = c | c | c; pixels[(y + j) * SCREEN_WIDTH + xPos] =
(((c & 0b00000111) * 36) << 24) |
((((c & 0b00111000) >> 3) * 36) << 16) |
((((c & 0b11000000) >> 6) * 85) << 8);
} }
} }
} }
@ -905,18 +908,18 @@ int main()
#define placeSprite(i,s,X,Y,z,n)\ #define placeSprite(i,s,X,Y,z,n)\
sprites[i].mImage = s;\ sprites[i].mImage = s;\
sprites[i].mPosition.x = X * UNITS_PER_SQUARE;\ sprites[i].mPosition.x = X * UNITS_PER_SQUARE + UNITS_PER_SQUARE / 2;\
sprites[i].mPosition.y = Y * UNITS_PER_SQUARE;\ sprites[i].mPosition.y = Y * UNITS_PER_SQUARE + UNITS_PER_SQUARE / 2;\
sprites[i].mHeight = z;\ sprites[i].mHeight = z * UNITS_PER_SQUARE + UNITS_PER_SQUARE / 2;\
sprites[i].mPixelSize = n; sprites[i].mPixelSize = n;
placeSprite(0,sprite1,10,5,1,100); placeSprite(0,sprite1,10,5,1,1000);
placeSprite(1,sprite1,14,5,1,100); placeSprite(1,sprite1,14,5,1,1000);
placeSprite(2,sprite2,15,19,1,200); placeSprite(2,sprite2,15,19,1,1500);
placeSprite(3,sprite3,8,2,1,300); placeSprite(3,sprite3,8,2,1,3000);
placeSprite(4,sprite3,20,5,1,300); placeSprite(4,sprite3,20,5,1,3000);
placeSprite(5,sprite3,26,18,1,300); placeSprite(5,sprite3,26,18,1,3000);
placeSprite(6,sprite3,16,12,1,300); placeSprite(6,sprite3,16,12,1,3000);
#undef placeSprite #undef placeSprite