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Add RenderStyle API

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Zombie 2018-06-16 01:51:05 +10:00 committed by Rachael Alexanderson
parent 51b57cebb1
commit 8c7d3b6ab8
2 changed files with 85 additions and 0 deletions
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30
wadsrc/static/zscript/base.txt
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@ -304,6 +304,36 @@ struct Translation version("2.4")
} }
} }
struct RenderStyle
{
static int CreateLegacy(ERenderStyle style)
{
switch(style)
{
case STYLE_None: return Create(STYLEOP_None, STYLEALPHA_Zero, STYLEALPHA_Zero, 0);
case STYLE_Normal: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, STYLEF_Alpha1);
case STYLE_Fuzzy: return Create(STYLEOP_Fuzz, STYLEALPHA_Src, STYLEALPHA_InvSrc, 0);
case STYLE_SoulTrans: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, STYLEF_TransSoulsAlpha);
case STYLE_OptFuzzy: return Create(STYLEOP_FuzzOrAdd, STYLEALPHA_Src, STYLEALPHA_InvSrc, 0);
case STYLE_Stencil: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, STYLEF_Alpha1 | STYLEF_ColorIsFixed);
case STYLE_Translucent: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, 0);
case STYLE_Add: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_One, 0);
case STYLE_Shaded: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, STYLEF_RedIsAlpha | STYLEF_ColorIsFixed);
case STYLE_TranslucentStencil: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_InvSrc, STYLEF_ColorIsFixed);
case STYLE_Shadow: return Create(STYLEOP_Shadow, 0, 0, 0);
case STYLE_Subtract: return Create(STYLEOP_RevSub, STYLEALPHA_Src, STYLEALPHA_One, 0);
case STYLE_AddStencil: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_One, STYLEF_Alpha1 | STYLEF_ColorIsFixed);
case STYLE_AddShaded: return Create(STYLEOP_Add, STYLEALPHA_Src, STYLEALPHA_One, STYLEF_RedIsAlpha | STYLEF_ColorIsFixed);
default: Object.ThrowAbortException("Unsupported or invalid legacy render style."); return 0;
}
}
static int Create(ERenderOp blendOp, ERenderAlpha srcAlpha, ERenderAlpha dstAlpha, ERenderFlags flags)
{
return blendOp | (srcAlpha << 8) | (dstAlpha << 16) | (flags << 24);
}
}
struct Console native struct Console native
{ {
native static void HideConsole(); native static void HideConsole();

55
wadsrc/static/zscript/constants.txt
View file

@ -850,6 +850,61 @@ enum ERenderStyle
STYLE_AddShaded, STYLE_AddShaded,
}; };
enum ERenderOp
{
STYLEOP_None, // Do not draw
STYLEOP_Add, // Add source to destination
STYLEOP_Sub, // Subtract source from destination
STYLEOP_RevSub, // Subtract destination from source
STYLEOP_Fuzz, // Draw fuzzy on top of destination - ignores alpha and color
STYLEOP_FuzzOrAdd, // Draw fuzzy or add, based on user preference
STYLEOP_FuzzOrSub, // Draw fuzzy or subtract, based on user preference
STYLEOP_FuzzOrRevSub, // Draw fuzzy or reverse subtract, based on user preference
// special styles
STYLEOP_Shadow,
};
enum ERenderAlpha
{
STYLEALPHA_Zero, // Blend factor is 0.0
STYLEALPHA_One, // Blend factor is 1.0
STYLEALPHA_Src, // Blend factor is alpha
STYLEALPHA_InvSrc, // Blend factor is 1.0 - alpha
};
enum ERenderFlags
{
// Use value of transsouls as alpha.
STYLEF_TransSoulsAlpha = 1,
// Force alpha to 1. Not the same as STYLEALPHA_One, since that also
// ignores alpha from the texture.
STYLEF_Alpha1 = 2,
// Use red component from grayscale/RGB texture as alpha. If the texture
// is paletted, the palette is ignored and it is treated as grayscale.
// This should generally be combined with STYLEF_ColorIsFixed, since that's
// all the software renderer supports, but hardware acceleration can do
// them separately should you want to do that for some reason.
STYLEF_RedIsAlpha = 4,
// Ignore texture for RGB output. Color comes from fillcolor for actors
// or DTA_FillColor for DrawTexture().
STYLEF_ColorIsFixed = 8,
// Invert source color, either the texture color or the fixed color.
STYLEF_InvertSource = 16,
// Invert overlay color. This is the fade for actors and DTA_ColorOverlay
// for DrawTexture().
STYLEF_InvertOverlay = 32,
// Actors only: Ignore sector fade and fade to black. To fade to white,
// combine this with STYLEF_InvertOverlay.
STYLEF_FadeToBlack = 64,
};
// Type definition for the implicit 'callingstate' parameter that gets passed to action functions. // Type definition for the implicit 'callingstate' parameter that gets passed to action functions.
enum EStateType enum EStateType
{ {