- use image sources, not textures to manage Build tiles.

The font manager and texture compositor need this - they cannot work off non-image-backed textures.

source/common/textures/texture.cpp

@@ -721,19 +721,16 @@ FTextureBuffer FTexture::CreateTexBuffer(int translation, int flags)
 //
 //===========================================================================
 
-bool FTexture::GetTranslucency()
+bool FTexture::DetermineTranslucency()
 {
-	if (bTranslucent == -1)
+	if (!bHasCanvas)
 	{
-		if (!bHasCanvas)
-		{
-			// This will calculate all we need, so just discard the result.
-			CreateTexBuffer(0);
-		}
-		else
-		{
-			bTranslucent = 0;
-		}
+		// This will calculate all we need, so just discard the result.
+		CreateTexBuffer(0);
+	}
+	else
+	{
+		bTranslucent = 0;
 	}
 	return !!bTranslucent;
 }

source/common/textures/textures.h

@@ -438,7 +438,12 @@ protected:
 public:
 	FTextureBuffer CreateTexBuffer(int translation, int flags = 0);
 	FTextureBuffer CreateTexBuffer(const PalEntry* translation, int flags = 0);
-	bool GetTranslucency();
+
+	virtual bool DetermineTranslucency();
+	bool GetTranslucency()
+	{
+		return bTranslucent != -1 ? bTranslucent : DetermineTranslucency();
+	}
 	FMaterial* GetMaterial(int num)
 	{
 		return Material[num];
@@ -535,6 +540,7 @@ public:
 
 	FImageSource* GetImage() const override { return mImage; }
 	FBitmap GetBgraBitmap(const PalEntry* p, int* trans) override;
+	bool DetermineTranslucency() override;
 
 };
 

source/core/textures/buildtiles.cpp

@@ -81,21 +81,19 @@ picanm_t tileConvertAnimFormat(int32_t const picanimraw, int* lo, int* to)
 //
 //==========================================================================
 
-FBitmap FTileTexture::GetBgraBitmap(const PalEntry* remap, int* ptrans)
+int FTileTexture::CopyPixels(FBitmap* bmp, int conversion)
 {
-	FBitmap bmp;
 	TArray<uint8_t> buffer;
-	bmp.Create(Width, Height);
+	bmp->Create(Width, Height);
 	auto ppix = GetRawData();
 	if (ppix)
 	{
-		if (remap == nullptr) remap = GPalette.BaseColors;
-		bmp.CopyPixelData(0, 0, ppix, Width, Height, Height, 1, 0, remap);
+		bmp->CopyPixelData(0, 0, ppix, Width, Height, Height, 1, 0, GPalette.BaseColors);
 	}
-	return bmp;
+	return 0;
 }
 
-TArray<uint8_t> FTileTexture::Get8BitPixels(bool alphatex)
+TArray<uint8_t> FTileTexture::CreatePalettedPixels(int conversion)
 {
 	TArray<uint8_t> buffer(Width * Height, true);
 	auto p = GetRawData();
@@ -106,19 +104,19 @@ TArray<uint8_t> FTileTexture::Get8BitPixels(bool alphatex)
 
 //==========================================================================
 //
-// Tile textures are owned by their containing file object.
+// 
 //
 //==========================================================================
 
-FArtTile* GetTileTexture(const char* name, const TArray<uint8_t>& backingstore, uint32_t offset, int width, int height)
+static FTexture* GetTileTexture(const char* name, const TArray<uint8_t>& backingstore, uint32_t offset, int width, int height)
 {
 	auto tex = new FArtTile(backingstore, offset, width, height);
 
 	if (tex)
 	{
-		tex->SetName(name);
+		return new FImageTexture(tex, name);
 	}
-	return tex;
+	return nullptr;
 }
 
 //==========================================================================
@@ -453,7 +451,7 @@ FTexture* BuildTiles::ValidateCustomTile(int tilenum, ReplacementType type)
 		// view tilting in the software renderer (this should just use a local buffer instead of relying on the texture manager.)
 		// Movie playback (like thumbnails this should bypass the texture manager entirely.)
 		// Blood's 'lens' effect (apparently MP only) - combination of a camera texture with a distortion map - should be made a shader effect to be applied to the camera texture.
-		replacement = new FWritableTile;
+		replacement = new FImageTexture(new FWritableTile);
 	}
 	else if (type == ReplacementType::Restorable)
 	{
@@ -465,7 +463,7 @@ FTexture* BuildTiles::ValidateCustomTile(int tilenum, ReplacementType type)
 		// All of these effects should probably be redone without actual texture hacking...
 		if (tile->GetTexelWidth() == 0 || tile->GetTexelHeight() == 0) return nullptr;	// The base must have a size for this to work.
 		// todo: invalidate hardware textures for tile.
-		replacement = new FRestorableTile(tile);
+		replacement = new FImageTexture(new FRestorableTile(tile->GetImage()));
 	}
 	else if (type == ReplacementType::Canvas)
 	{
@@ -500,8 +498,9 @@ uint8_t* BuildTiles::tileCreate(int tilenum, int width, int height)
 	if (width <= 0 || height <= 0) return nullptr;
 	auto tex = ValidateCustomTile(tilenum, ReplacementType::Writable);
 	if (tex == nullptr) return nullptr;
-	auto wtex = static_cast<FWritableTile*>(tex);
-	if (!wtex->Resize(width, height)) return nullptr;
+	auto wtex = static_cast<FWritableTile*>(tex->GetImage());
+	if (!wtex->ResizeImage(width, height)) return nullptr;
+	tex->SetSize(width, height);
 	return wtex->GetRawData();
 }
 
@@ -515,7 +514,7 @@ uint8_t* BuildTiles::tileCreate(int tilenum, int width, int height)
 uint8_t* BuildTiles::tileMakeWritable(int num)
 {
 	auto tex = ValidateCustomTile(num, ReplacementType::Restorable);
-	auto wtex = static_cast<FWritableTile*>(tex);
+	auto wtex = static_cast<FWritableTile*>(tex->GetImage());
 	return wtex ? wtex->GetRawData() : nullptr;
 }
 
@@ -528,13 +527,14 @@ uint8_t* BuildTiles::tileMakeWritable(int num)
 int32_t tileGetCRC32(int tileNum)
 {
 	if ((unsigned)tileNum >= (unsigned)MAXTILES) return 0;
-	auto tile = tileGetTexture(tileNum);
-	if (!tile || TileFiles.tiledata[tileNum].replacement != ReplacementType::Art) return 0;	// only consider original ART tiles.
-	auto pixels = tile->Get8BitPixels(false);
-	if (!pixels.Size()) return 0;
-	int size = tile->GetTexelWidth() * tile->GetTexelHeight();
+	auto tile = dynamic_cast<FArtTile*>(TileFiles.tiledata[tileNum].texture->GetImage());	// only consider original ART tiles.
+	if (!tile) return 0;
+	auto pixels = tile->GetRawData();
+	if (!pixels) return 0;
+
+	auto size = tile->GetWidth() * tile->GetHeight();
 	if (size == 0) return 0;
-	return crc32(0, (const Bytef*)pixels.Data(), size);
+	return crc32(0, (const Bytef*)pixels, size);
 }
 
 
@@ -612,7 +612,7 @@ void tileCopy(int tile, int source, int pal, int xoffset, int yoffset, int flags
 				pixel = remap[pixel];
 			}
 		}
-		tex = new FLooseTile(buffer, tex->GetTexelWidth(), tex->GetTexelHeight());
+		tex = new FImageTexture(new FLooseTile(buffer, tex->GetTexelWidth(), tex->GetTexelHeight()));
 		picanm = &TileFiles.tiledata[tile].picanm;
 		TileFiles.AddTile(tile, tex);
 	}
@@ -709,7 +709,7 @@ void tileSetDummy(int tile, int width, int height)
 	}
 	else if (width > 0 && height > 0)
 	{
-		auto dtile = new FDummyTile(width, height);
+		auto dtile = new FImageTexture(new FDummyTile(width, height));
 		TileFiles.AddTile(tile, dtile);
 	}
 }
@@ -732,6 +732,15 @@ int BuildTiles::findUnusedTile(void)
 	return -1;
 }
 
+//==========================================================================
+//
+// fixme: This *really* needs to be done by rotating the texture coordinates,
+// not by creating an entirely new texture.
+// Unfortunately it's in all the wrong place in the rendering code so it
+// has to wait for later.
+//
+//==========================================================================
+
 int BuildTiles::tileCreateRotated(int tileNum)
 {
 	if ((unsigned)tileNum >= MAXTILES) return tileNum;
@@ -754,7 +763,7 @@ int BuildTiles::tileCreateRotated(int tileNum)
 			*(dst + y * width + xofs) = *(src + y + yofs);
 	}
 
-	auto dtex = new FLooseTile(dbuffer, tex->GetTexelHeight(), tex->GetTexelWidth());
+	auto dtex = new FImageTexture(new FLooseTile(dbuffer, tex->GetTexelHeight(), tex->GetTexelWidth()));
 	int index = findUnusedTile();
 	bool mapart = TileFiles.tiledata[tileNum].texture != TileFiles.tiledata[tileNum].backup;
 	TileFiles.AddTile(index, dtex, mapart);

source/core/textures/buildtiles.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "textures.h"
+#include "image.h"
 #include "i_time.h"
 #include "compat.h"
 
@@ -67,16 +68,17 @@ struct HightileReplacement
 	uint16_t palnum, flags;
 };
 
-class FTileTexture : public FTexture
+class FTileTexture : public FImageSource
 {
 public:
 	FTileTexture()
-	{}
+	{
+		bUseGamePalette = true;
+		bTranslucent = false;
+	}
 	virtual uint8_t* GetRawData() = 0;
-	void SetName(const char* name) { Name = name; }
-	TArray<uint8_t> Get8BitPixels(bool alphatex) override;
-	FBitmap GetBgraBitmap(const PalEntry* remap, int* trans = nullptr) override;
-	//bool GetTranslucency() override { return false; }
+	virtual TArray<uint8_t> CreatePalettedPixels(int conversion);
+	virtual int CopyPixels(FBitmap* bmp, int conversion);			// This will always ignore 'luminance'.
 };
 
 //==========================================================================
@@ -93,7 +95,8 @@ public:
 	FArtTile(const TArray<uint8_t>& backingstore, uint32_t offset, int width, int height)
 		: RawPixels(backingstore), Offset(offset)
 	{
-		SetSize(width, height);
+		Width = width;
+		Height = height;
 	}
 	uint8_t* GetRawData() override final
 	{
@@ -114,7 +117,8 @@ public:
 	FLooseTile(TArray<uint8_t>& store, int width, int height)
 	{
 		RawPixels = std::move(store);
-		SetSize(width, height);
+		Width = width;
+		Height = height;
 	}
 
 	uint8_t* GetRawData() override
@@ -135,7 +139,8 @@ class FDummyTile : public FTileTexture
 public:
 	FDummyTile(int width, int height)
 	{
-		SetSize(width, height);
+		Width = width;
+		Height = height;
 	}
 
 	uint8_t* GetRawData() override
@@ -166,7 +171,7 @@ public:
 		return buffer.Data();
 	}
 
-	bool Resize(int w, int h)
+	bool ResizeImage(int w, int h)
 	{
 		if (w <= 0 || h <= 0)
 		{
@@ -175,7 +180,8 @@ public:
 		}
 		else
 		{
-			SetSize(w, h);
+			Width = w;
+			Height = h;
 			buffer.Resize(w * h);
 			return true;
 		}
@@ -191,20 +197,21 @@ public:
 
 class FRestorableTile : public FWritableTile
 {
-	FTexture* Base;
+	FImageSource* Base;
 
 public:
-	FRestorableTile(FTexture* base)
+	FRestorableTile(FImageSource* base)
 	{
 		Base = base;
-		CopySize(base);
-		Resize(GetTexelWidth(), GetTexelHeight());
+		
+		CopySize(*base);
+		ResizeImage(Width, Height);
 		Reload();
 	}
 
 	void Reload()
 	{
-		buffer = std::move(Base->Get8BitPixels(false));
+		buffer = std::move(Base->GetPalettedPixels(0));
 	}
 };
 
@@ -274,7 +281,7 @@ struct BuildTiles
 
 	BuildTiles()
 	{
-		Placeholder = new FDummyTile(0, 0);
+		Placeholder = new FImageTexture(new FDummyTile(0, 0));
 		for (auto& tile : tiledata)
 		{
 			tile.backup = tile.texture = Placeholder;

source/core/textures/imagetexture.cpp

@@ -88,6 +88,25 @@ TArray<uint8_t> FImageTexture::Get8BitPixels(bool alpha)
 	return mImage->GetPalettedPixels(alpha ? alpha : bNoRemap0 ? FImageSource::noremap0 : FImageSource::normal);
 }
 
+//===========================================================================
+//
+// use the already known state of the underlying image to save time.
+//
+//===========================================================================
+
+bool FImageTexture::DetermineTranslucency()
+{
+	if (mImage->bTranslucent != -1)
+	{
+		bTranslucent = mImage->bTranslucent;
+		return !!bTranslucent;
+	}
+	else
+	{
+		return FTexture::DetermineTranslucency();
+	}
+}
+
 
 FTexture* CreateImageTexture(FImageSource* img, const char* name) noexcept
 {