Added olcPixelGameEngine Introduction video
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Javidx9
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@ -2,7 +2,7 @@
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olcPixelGameEngine.h
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+-------------------------------------------------------------+
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| OneLoneCoder Pixel Game Engine v0.6 |
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| OneLoneCoder Pixel Game Engine v1.0 |
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| "Like the command prompt console one, but not..." - javidx9 |
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+-------------------------------------------------------------+
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@ -91,7 +91,7 @@
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Relevant Videos
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~~~~~~~~~~~~~~~
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https://youtu.be/kRH6oJLFYxY Introducing olcPixelGameEngine
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Compiling in Linux
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~~~~~~~~~~~~~~~~~~
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@ -143,7 +143,7 @@
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// Include WinAPI
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#define NOMINMAX
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//#define NOMINMAX
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#include <windows.h>
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#include <gdiplus.h>
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@ -207,7 +207,8 @@ namespace olc // All OneLoneCoder stuff will now exist in the "olc" namespace
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CYAN(0, 255, 255), DARK_CYAN(0, 128, 128), VERY_DARK_CYAN(0, 64, 64),
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BLUE(0, 0, 255), DARK_BLUE(0, 0, 128), VERY_DARK_BLUE(0, 0, 64),
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MAGENTA(255, 0, 255), DARK_MAGENTA(128, 0, 128), VERY_DARK_MAGENTA(64, 0, 64),
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BLACK(0, 0, 0);
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BLACK(0, 0, 0),
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BLANK(0, 0, 0, 0);
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enum rcode
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{
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@ -238,6 +239,7 @@ namespace olc // All OneLoneCoder stuff will now exist in the "olc" namespace
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public:
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olc::rcode LoadFromFile(std::string sImageFile);
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olc::rcode LoadFromSprFile(std::string sImageFile);
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public:
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int32_t width = 0;
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@ -319,30 +321,32 @@ namespace olc // All OneLoneCoder stuff will now exist in the "olc" namespace
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// olc::Pixel::MASK = Transparent if alpha is < 255
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// olc::Pixel::ALPHA = Full transparency
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void SetPixelMode(Pixel::Mode m);
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// Change the blend factor form between 0.0f to 1.0f;
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void SetPixelBlend(float fBlend);
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// Draws a single Pixel
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virtual void Draw(int32_t x, int32_t y, Pixel p);
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virtual void Draw(int32_t x, int32_t y, Pixel p = olc::WHITE);
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// Draws a line from (x1,y1) to (x2,y2)
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void DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p);
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void DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p = olc::WHITE);
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// Draws a circle located at (x,y) with radius
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void DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p);
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void DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE);
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// Fills a circle located at (x,y) with radius
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void FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p);
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void FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE);
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// Draws a rectangle at (x,y) to (x+w,y+h)
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void DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p);
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void DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE);
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// Fills a rectangle at (x,y) to (x+w,y+h)
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void FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p);
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void FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE);
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// Draws a triangle between points (x1,y1), (x2,y2) and (x3,y3)
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void DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p);
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void DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE);
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// Flat fills a triangle between points (x1,y1), (x2,y2) and (x3,y3)
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void FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p);
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void FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE);
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// Draws an entire sprite at location (x,y)
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void DrawSprite(int32_t x, int32_t y, Sprite *sprite);
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// Draws an area of a sprite at location (x,y), where the
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// selected area is (ox,oy) to (ox+w,oy+h)
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void DrawPartialSprite(int32_t x, int32_t y, Sprite *sprite, int32_t ox, int32_t oy, int32_t w, int32_t h);
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// Draws a single line of text
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void DrawString(int32_t x, int32_t y, std::string sText);
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void DrawString(int32_t x, int32_t y, std::string sText, Pixel col = olc::WHITE);
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public: // Branding
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std::string sAppName;
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@ -351,6 +355,7 @@ namespace olc // All OneLoneCoder stuff will now exist in the "olc" namespace
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Sprite *pDefaultDrawTarget = nullptr;
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Sprite *pDrawTarget = nullptr;
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Pixel::Mode nPixelMode = Pixel::NORMAL;
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float fBlendFactor = 1.0f;
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uint32_t nScreenWidth = 256;
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uint32_t nScreenHeight = 240;
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uint32_t nPixelWidth = 4;
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@ -474,6 +479,11 @@ namespace olc
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if (pColData) delete[] pColData;
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}
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olc::rcode Sprite::LoadFromSprFile(std::string sImageFile)
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{
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return olc::FAIL;
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}
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olc::rcode Sprite::LoadFromFile(std::string sImageFile)
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{
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#ifdef _WIN32
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@ -760,7 +770,7 @@ namespace olc
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if (nPixelMode == Pixel::ALPHA)
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{
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Pixel d = pDrawTarget->GetPixel(x, y);
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float a = (float)p.a / 255.0f;
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float a = (float)(p.a / 255.0f) * fBlendFactor;
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float c = 1.0f - a;
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float r = a * (float)p.r + c * (float)d.r;
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float g = a * (float)p.g + c * (float)d.g;
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@ -1079,12 +1089,13 @@ namespace olc
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}
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}
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void PixelGameEngine::DrawString(int32_t x, int32_t y, std::string sText)
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void PixelGameEngine::DrawString(int32_t x, int32_t y, std::string sText, Pixel col)
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{
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int32_t sx = 0;
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int32_t sy = 0;
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Pixel::Mode m = nPixelMode;
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SetPixelMode(Pixel::MASK);
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if(col.ALPHA != 255) SetPixelMode(Pixel::ALPHA);
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else SetPixelMode(Pixel::MASK);
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for (auto c : sText)
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{
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if (c == '\n')
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@ -1095,7 +1106,15 @@ namespace olc
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{
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int32_t ox = (c - 32) % 16;
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int32_t oy = (c - 32) / 16;
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DrawPartialSprite(x + sx, y + sy, fontSprite, ox * 8, oy * 8, 8, 8);
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//DrawPartialSprite(x + sx, y + sy, fontSprite, ox * 8, oy * 8, 8, 8);
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for (int i = 0; i < 8; i++)
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{
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for (int j = 0; j < 8; j++)
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{
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if(fontSprite->GetPixel(i + ox * 8, j + oy * 8).r > 0)
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Draw(x + sx + i, y + sy + j, col);
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}
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}
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sx += 8;
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}
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}
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@ -1107,6 +1126,13 @@ namespace olc
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nPixelMode = m;
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}
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void PixelGameEngine::SetPixelBlend(float fBlend)
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{
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fBlendFactor = fBlend;
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if (fBlendFactor < 0.0f) fBlendFactor = 0.0f;
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if (fBlendFactor > 1.0f) fBlendFactor = 1.0f;
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}
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// User must override these functions as required. I have not made
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// them abstract because I do need a default behaviour to occur if
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// they are not overwritten
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