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no magic numbers!

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Gered 2013-04-03 11:23:59 -04:00
parent 96c6958674
commit 66a8ee61d5
1 changed files with 16 additions and 12 deletions
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28
src/framework/graphics/spritebatch.cpp
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@ -23,7 +23,11 @@
#include "../math/rect.h" #include "../math/rect.h"
#include "../math/vector3.h" #include "../math/vector3.h"
const size_t PRINTF_BUFFER_SIZE = 8096; const uint DEFAULT_SPRITE_COUNT = 128;
const uint RESIZE_SPRITE_INCREMENT = 16;
const uint VERTICES_PER_SPRITE = 6;
const size_t PRINTF_BUFFER_SIZE = 8192;
char __spriteBatch_printfBuffer[PRINTF_BUFFER_SIZE + 1]; char __spriteBatch_printfBuffer[PRINTF_BUFFER_SIZE + 1];
SpriteBatch::SpriteBatch(GraphicsDevice *graphicsDevice) SpriteBatch::SpriteBatch(GraphicsDevice *graphicsDevice)
@ -397,8 +401,8 @@ void SpriteBatch::AddSprite(const Texture *texture, int destLeft, int destTop, i
return; return;
} }
if (GetRemainingSpriteSpaces() < 1) if (GetRemainingSpriteSpaces() == 0)
AddMoreSpriteSpace(16); AddMoreSpriteSpace(RESIZE_SPRITE_INCREMENT);
SetSpriteInfo(m_currentSpritePointer, texture, destLeftF, destTopF, destRightF, destBottomF, texLeft, texTop, texRight, texBottom, color); SetSpriteInfo(m_currentSpritePointer, texture, destLeftF, destTopF, destRightF, destBottomF, texLeft, texTop, texRight, texBottom, color);
++m_currentSpritePointer; ++m_currentSpritePointer;
@ -419,8 +423,8 @@ void SpriteBatch::AddSprite(const Texture *texture, int destLeft, int destTop, i
return; return;
} }
if (GetRemainingSpriteSpaces() < 1) if (GetRemainingSpriteSpaces() == 0)
AddMoreSpriteSpace(16); AddMoreSpriteSpace(RESIZE_SPRITE_INCREMENT);
SetSpriteInfo(m_currentSpritePointer, texture, destLeftF, destTopF, destRightF, destBottomF, texCoordLeft, texCoordTop, texCoordRight, texCoordBottom, color); SetSpriteInfo(m_currentSpritePointer, texture, destLeftF, destTopF, destRightF, destBottomF, texCoordLeft, texCoordTop, texCoordRight, texCoordBottom, color);
++m_currentSpritePointer; ++m_currentSpritePointer;
@ -436,8 +440,8 @@ void SpriteBatch::AddSprite(const Texture *texture, float destLeft, float destTo
return; return;
} }
if (GetRemainingSpriteSpaces() < 1) if (GetRemainingSpriteSpaces() == 0)
AddMoreSpriteSpace(16); AddMoreSpriteSpace(RESIZE_SPRITE_INCREMENT);
SetSpriteInfo(m_currentSpritePointer, texture, destLeft, destTop, destRight, destBottom, texCoordLeft, texCoordTop, texCoordRight, texCoordBottom, color); SetSpriteInfo(m_currentSpritePointer, texture, destLeft, destTop, destRight, destBottom, texCoordLeft, texCoordTop, texCoordRight, texCoordBottom, color);
++m_currentSpritePointer; ++m_currentSpritePointer;
@ -527,7 +531,7 @@ void SpriteBatch::SetSpriteInfo(uint spriteIndex, const Texture *texture, float
m_vertices->SetColor(base + 5, color); m_vertices->SetColor(base + 5, color);
// move ahead past this sprite's vertices, so we're ready for the next one // move ahead past this sprite's vertices, so we're ready for the next one
m_vertices->Move(6); m_vertices->Move(VERTICES_PER_SPRITE);
m_textures[spriteIndex] = texture; m_textures[spriteIndex] = texture;
} }
@ -596,8 +600,8 @@ void SpriteBatch::RenderQueue()
void SpriteBatch::RenderQueueRange(uint firstSpriteIndex, uint lastSpriteIndex) void SpriteBatch::RenderQueueRange(uint firstSpriteIndex, uint lastSpriteIndex)
{ {
uint startVertex = firstSpriteIndex * 6; uint startVertex = firstSpriteIndex * VERTICES_PER_SPRITE;
uint lastVertex = (lastSpriteIndex + 1) * 6; // render up to and including the last sprite uint lastVertex = (lastSpriteIndex + 1) * VERTICES_PER_SPRITE; // render up to and including the last sprite
// take the texture from anywhere in this range // take the texture from anywhere in this range
// (doesn't matter where, should all be the same texture) // (doesn't matter where, should all be the same texture)
@ -611,13 +615,13 @@ void SpriteBatch::RenderQueueRange(uint firstSpriteIndex, uint lastSpriteIndex)
uint SpriteBatch::GetRemainingSpriteSpaces() const uint SpriteBatch::GetRemainingSpriteSpaces() const
{ {
uint currentMaxSprites = m_vertices->GetNumElements() / 6; uint currentMaxSprites = m_vertices->GetNumElements() / VERTICES_PER_SPRITE;
return currentMaxSprites - m_currentSpritePointer; return currentMaxSprites - m_currentSpritePointer;
} }
void SpriteBatch::AddMoreSpriteSpace(uint numSprites) void SpriteBatch::AddMoreSpriteSpace(uint numSprites)
{ {
uint numVerticesToAdd = numSprites * 6; uint numVerticesToAdd = numSprites * VERTICES_PER_SPRITE;
uint newTextureArraySize = m_textures.size() + numSprites; uint newTextureArraySize = m_textures.size() + numSprites;
m_vertices->Extend(numVerticesToAdd); m_vertices->Extend(numVerticesToAdd);