- added GZDoom's texture manager.

It doesn't do anything yet, but it can now be used to manage textures.

source/CMakeLists.txt

@@ -753,6 +753,7 @@ set (PCH_SOURCES
 	common/textures/bitmap.cpp
 	common/textures/m_png.cpp
 	common/textures/image.cpp
+	common/textures/texturemanager.cpp
 	common/textures/formats/automaptexture.cpp
 	common/textures/formats/brightmaptexture.cpp
 	common/textures/formats/buildtexture.cpp

source/common/textures/texmanip.h

@@ -0,0 +1,75 @@
+#pragma once
+
+#include "palentry.h"
+
+struct TextureManipulation
+{
+	enum
+	{
+		BlendNone = 0,
+		BlendAlpha = 1,
+		BlendScreen = 2,
+		BlendOverlay = 3,
+		BlendHardLight = 4,
+		BlendMask = 7,
+		InvertBit = 8,
+		ActiveBit = 16,	// Must be set for the shader to do something
+	};
+	PalEntry AddColor;		// Alpha contains the blend flags
+	PalEntry ModulateColor;	// Alpha may contain a multiplier to get higher values than 1.0 without promoting this to 4 full floats.
+	PalEntry BlendColor;
+	float DesaturationFactor;
+
+	bool CheckIfEnabled()	// check if this manipulation is doing something. NoOps do not need to be preserved, unless they override older setttings.
+	{
+		if (AddColor != 0 ||	// this includes a check for the blend mode without which BlendColor is not active
+			ModulateColor != 0x01ffffff ||	// 1 in alpha must be the default for a no-op.
+			DesaturationFactor != 0)
+		{
+			AddColor.a |= ActiveBit; // mark as active for the shader's benefit.
+			return true;
+		}
+		return false;
+	}
+
+	void SetTextureModulateColor(int slot, PalEntry rgb)
+	{
+		rgb.a = ModulateColor.a;
+		ModulateColor = rgb;
+	}
+
+	void SetTextureModulateScaleFactor(int slot, int fac)
+	{
+		ModulateColor.a = (uint8_t)fac;
+	}
+
+	void SetTextureAdditiveColor(int slot, PalEntry rgb)
+	{
+		rgb.a = AddColor.a;
+		AddColor = rgb;
+	}
+
+	void SetTextureBlendColor(int slot, PalEntry rgb)
+	{
+		BlendColor = rgb;
+	}
+
+	void SetTextureDesaturationFactor(int slot, double fac)
+	{
+		DesaturationFactor = (float)fac;
+	}
+
+	void SetTextureBlendMode(int slot, int mode)
+	{
+		AddColor.a = (AddColor.a & ~TextureManipulation::BlendMask) | (mode & TextureManipulation::BlendMask);
+	}
+
+	void SetTextureInvert(bool on)
+	{
+		AddColor.a |= TextureManipulation::InvertBit;
+		AddColor.a &= ~TextureManipulation::InvertBit;
+	}
+
+};
+
+

source/common/textures/textureid.h

@@ -1,8 +1,30 @@
 #pragma once
 
+enum class ETextureType : uint8_t
+{
+	Any,
+	Wall,
+	Flat,
+	Sprite,
+	WallPatch,
+	Build,		// no longer used but needs to remain for ZScript
+	SkinSprite,
+	Decal,
+	MiscPatch,
+	FontChar,
+	Override,	// For patches between TX_START/TX_END
+	Autopage,	// Automap background - used to enable the use of FAutomapTexture
+	SkinGraphic,
+	Null,
+	FirstDefined,
+	Canvas,
+	SWCanvas,
+};
+
 class FTextureID
 {
 	friend class FTextureManager;
+	friend void R_InitSpriteDefs();
 
 public:
 	FTextureID() = default;
@@ -15,6 +37,7 @@ public:
 	bool operator !=(const FTextureID &other) const { return texnum != other.texnum; }
 	FTextureID operator +(int offset) throw();
 	int GetIndex() const { return texnum; }	// Use this only if you absolutely need the index!
+	void SetIndex(int index) { texnum = index; }	// Use this only if you absolutely need the index!
 
 											// The switch list needs these to sort the switches by texture index
 	int operator -(FTextureID other) const { return texnum - other.texnum; }

source/common/textures/texturemanager.h

@@ -0,0 +1,189 @@
+#pragma once
+
+#include <stdint.h>
+#include "tarray.h"
+#include "textureid.h"
+#include "basics.h"
+#include "sc_man.h"
+#include "texmanip.h"
+#include "name.h"
+
+class FxAddSub;
+class FTexture;
+struct BuildInfo;
+int PalCheck(int tex);
+
+// Texture manager
+class FTextureManager
+{
+	void (*progressFunc)();
+	friend class FxAddSub;	// needs access to do a bounds check on the texture ID.
+public:
+	FTextureManager ();
+	~FTextureManager ();
+	
+private:
+	int ResolveLocalizedTexture(int texnum);
+
+	FTexture *InternalGetTexture(int texnum, bool animate, bool localize, bool palettesubst)
+	{
+		if ((unsigned)texnum >= Textures.Size()) return nullptr;
+		if (animate) texnum = Translation[texnum];
+		if (localize && Textures[texnum].HasLocalization) texnum = ResolveLocalizedTexture(texnum);
+#if 0
+		if (palettesubst) texnum = PalCheck(texnum);
+#endif
+		return Textures[texnum].Texture;
+	}
+public:
+	// This only gets used in UI code so we do not need PALVERS handling.
+	FTexture *GetTextureByName(const char *name, bool animate = false)
+	{
+		FTextureID texnum = GetTextureID (name, ETextureType::MiscPatch);
+		return InternalGetTexture(texnum.GetIndex(), animate, true, false);
+	}
+	
+	FTexture *GetTexture(FTextureID texnum, bool animate = false)
+	{
+		return InternalGetTexture(texnum.GetIndex(), animate, true, false);
+	}
+	
+	// This is the only access function that should be used inside the software renderer.
+	FTexture *GetPalettedTexture(FTextureID texnum, bool animate)
+	{
+		return InternalGetTexture(texnum.GetIndex(), animate, true, true);
+	}
+	
+	FTexture *ByIndex(int i, bool animate = false)
+	{
+		return InternalGetTexture(i, animate, true, false);
+	}
+	
+	FTexture *FindTexture(const char *texname, ETextureType usetype = ETextureType::MiscPatch, BITFIELD flags = TEXMAN_TryAny);
+	bool OkForLocalization(FTextureID texnum, const char *substitute, int locnum);
+
+	void FlushAll();
+
+
+	enum
+	{
+		TEXMAN_TryAny = 1,
+		TEXMAN_Overridable = 2,
+		TEXMAN_ReturnFirst = 4,
+		TEXMAN_AllowSkins = 8,
+		TEXMAN_ShortNameOnly = 16,
+		TEXMAN_DontCreate = 32,
+		TEXMAN_Localize = 64
+	};
+
+	enum
+	{
+		HIT_Wall = 1,
+		HIT_Flat = 2,
+		HIT_Sky = 4,
+		HIT_Sprite = 8,
+
+		HIT_Columnmode = HIT_Wall|HIT_Sky|HIT_Sprite
+	};
+
+	FTextureID CheckForTexture (const char *name, ETextureType usetype, BITFIELD flags=TEXMAN_TryAny);
+	FTextureID GetTextureID (const char *name, ETextureType usetype, BITFIELD flags=0);
+	int ListTextures (const char *name, TArray<FTextureID> &list, bool listall = false);
+
+	void AddGroup(int wadnum, int ns, ETextureType usetype);
+	void AddPatches (int lumpnum);
+	void AddHiresTextures (int wadnum);
+	void LoadTextureDefs(int wadnum, const char *lumpname, FMultipatchTextureBuilder &build);
+	void ParseColorization(FScanner& sc);
+	void ParseTextureDef(int remapLump, FMultipatchTextureBuilder &build);
+	void SortTexturesByType(int start, int end);
+	bool AreTexturesCompatible (FTextureID picnum1, FTextureID picnum2);
+	void AddLocalizedVariants();
+
+	FTextureID CreateTexture (int lumpnum, ETextureType usetype=ETextureType::Any);	// Also calls AddTexture
+	FTextureID AddTexture (FTexture *texture);
+	FTextureID GetDefaultTexture() const { return DefaultTexture; }
+
+	void LoadTextureX(int wadnum, FMultipatchTextureBuilder &build);
+	void AddTexturesForWad(int wadnum, FMultipatchTextureBuilder &build);
+	void Init(void (*progressFunc_)(), void (*checkForHacks)(BuildInfo &));
+	void DeleteAll();
+
+	void ReplaceTexture (FTextureID picnum, FTexture *newtexture, bool free);
+
+	int NumTextures () const { return (int)Textures.Size(); }
+
+	int GuesstimateNumTextures ();
+
+	TextureManipulation* GetTextureManipulation(FName name)
+	{
+		return tmanips.CheckKey(name);
+	}
+	void InsertTextureManipulation(FName cname, TextureManipulation tm)
+	{
+		tmanips.Insert(cname, tm);
+	}
+	void RemoveTextureManipulation(FName cname)
+	{
+		tmanips.Remove(cname);
+	}
+
+private:
+
+	// texture counting
+	int CountTexturesX ();
+	int CountLumpTextures (int lumpnum);
+	void AdjustSpriteOffsets();
+
+	// Build tiles
+	//int CountBuildTiles ();
+
+public:
+
+	TArray<uint8_t>& GetNewBuildTileData()
+	{
+		BuildTileData.Reserve(1);
+		return BuildTileData.Last();
+	}
+
+	FTexture* Texture(FTextureID id) { return Textures[id.GetIndex()].Texture; }
+	void SetTranslation(FTextureID fromtexnum, FTextureID totexnum);
+
+private:
+
+	void InitPalettedVersions();
+	
+	// Switches
+
+	struct TextureHash
+	{
+		FTexture *Texture;
+		int HashNext;
+		bool HasLocalization;
+	};
+	enum { HASH_END = -1, HASH_SIZE = 1027 };
+	TArray<TextureHash> Textures;
+	TMap<uint64_t, int> LocalizedTextures;
+	int HashFirst[HASH_SIZE];
+	FTextureID DefaultTexture;
+	TArray<int> FirstTextureForFile;
+	TArray<TArray<uint8_t> > BuildTileData;
+	TArray<int> Translation;
+
+	TMap<FName, TextureManipulation> tmanips;
+
+public:
+
+	short sintable[2048];	// for texture warping
+	enum
+	{
+		SINMASK = 2047
+	};
+
+	FTextureID glPart2;
+	FTextureID glPart;
+	FTextureID mirrorTexture;
+
+};
+
+extern FTextureManager TexMan;

source/core/textures/buildtiles.cpp

@@ -812,9 +812,10 @@ void tileSetAnim(int tile, const picanm_t& anm)
 
 FTexture* BuildTiles::GetTexture(const char* path)
 {
+	// let this go away.
 	auto res = textures.CheckKey(path);
 	if (res) return *res;
-	auto tex = FTexture::CreateTexture(path);
+	auto tex = FTexture::CreateTexture(path, -1, ETextureType::Override);
 	if (tex) textures.Insert(path, tex);
 	return tex;
 }

source/core/textures/texture.cpp

@@ -54,10 +54,13 @@ FTexture *CreateBrightmapTexture(FImageSource*);
 
 // Examines the lump contents to decide what type of texture to create,
 // and creates the texture.
-FTexture * FTexture::CreateTexture(const char *name)
+FTexture * FTexture::CreateTexture(const char *name, int lump, ETextureType useType)
 {
-	int lump = fileSystem.FindFile(name);
+	if (lump < 0)
+	{
+		lump = fileSystem.FindFile(name);
 		if (lump < 0) return nullptr;
+	}
 	auto image = FImageSource::GetImage(lump, false);
 	if (image != nullptr)
 	{

source/core/textures/textures.h

@@ -200,17 +200,12 @@ struct FTextureBuffer
 class FTexture
 {
 	friend struct BuildTiles;
+	friend class FTextureManager;
 	friend bool tileLoad(int tileNum);
 	friend const uint8_t* tilePtr(int num);
 
 public:
-	enum UseType : uint8_t
-	{
-		Canvas,		// camera texture
-		User		// A texture with user-provided image content
-	};
-
-	static FTexture *CreateTexture(const char *name);
+	static FTexture* CreateTexture(const char* name, int lumpnum, ETextureType useType);
 
 	virtual ~FTexture ();
 	virtual FImageSource *GetImage() const { return nullptr; }
@@ -246,8 +241,10 @@ public:
 	void CheckTrans(unsigned char * buffer, int size, int trans);
 	bool ProcessData(unsigned char * buffer, int w, int h, bool ispatch);
 	virtual void Reload() {}
-	UseType GetUseType() const { return useType; }
+	ETextureType GetUseType() const { return UseType; }
 	void DeleteHardwareTextures();
+	int GetSourceLump() { return SourceLump; }
+	void SetUseType(ETextureType use) { UseType = use; }
 
 	void SetHardwareTexture(int palid, FHardwareTexture* htex)
 	{
@@ -286,12 +283,15 @@ protected:
 	uint8_t bMasked = true;		// Texture (might) have holes
 	int8_t bTranslucent = -1;	// Does this texture have an active alpha channel?
 	bool skyColorDone = false;
-	UseType useType = User;
+	ETextureType UseType = ETextureType::Any;
 	PalEntry FloorSkyColor;
 	PalEntry CeilingSkyColor;
 	TArray<uint8_t> CachedPixels;
 	// Don't waste too much effort on efficient storage here. Polymost performs so many calculations on a single draw call that the minor map lookup hardly matters.
 	TMap<int, FHardwareTexture*> HardwareTextures;	// Note: These must be deleted by the backend. When the texture manager is taken down it may already be too late to delete them.
+	bool bFullNameTexture = false;
+	FTextureID id = FSetTextureID(-1);
+	int SourceLump = -1;
 
 	FTexture (const char *name = NULL);
 	friend struct BuildTiles;
@@ -309,7 +309,7 @@ public:
 		bMasked = false;
 		bTranslucent = false;
 		//bNoExpand = true;
-		useType = FTexture::Canvas;
+		UseType = ETextureType::Wall;
 	}
 
 	void NeedUpdate() { bNeedsUpdate = true; }

source/glbackend/gl_texture.cpp

@@ -138,7 +138,7 @@ FHardwareTexture* GLInstance::LoadTexture(FTexture* tex, int textype, int palid)
 	FHardwareTexture *hwtex = nullptr;
 	if (textype == TT_INDEXED)
 		hwtex = CreateIndexedTexture(tex);
-	else if (tex->GetUseType() != FTexture::Canvas)
+	else if (tex->GetUseType() != ETextureType::Canvas)
 		hwtex = CreateTrueColorTexture(tex, textype == TT_HICREPLACE? -1 : palid, textype == TT_BRIGHTMAP, textype == TT_BRIGHTMAP);
 	else
 		hwtex = nullptr;
@@ -232,7 +232,7 @@ bool GLInstance::SetTextureInternal(int picnum, FTexture* tex, int palette, int
 	// Canvas textures must be treated like hightile replacements in the following code.
 	if (picnum < 0) picnum = TileFiles.GetTileIndex(tex);	// Allow getting replacements also when the texture is not passed by its tile number.
 	auto rep = (picnum >= 0 && hw_hightile && !(h.f & HICTINT_ALWAYSUSEART)) ? TileFiles.FindReplacement(picnum, palette) : nullptr;
-	if (rep || tex->GetUseType() == FTexture::Canvas)
+	if (rep || tex->GetUseType() == ETextureType::Canvas)
 	{
 		if (usepalette != 0)
 		{